ASTContext.cpp revision c3fee3539fd00a6ce21dc1f574baf76686640072
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- ASTContext.cpp - Context to hold long-lived AST nodes ------------===// 25f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 35f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// The LLVM Compiler Infrastructure 45f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 50bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// This file is distributed under the University of Illinois Open Source 60bc735ffcfb223c0186419547abaa5c84482663eChris Lattner// License. See LICENSE.TXT for details. 75f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 85f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 95f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// This file implements the ASTContext interface. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/ASTContext.h" 15bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck#include "clang/AST/CharUnits.h" 1649aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis#include "clang/AST/DeclCXX.h" 17980e508ca70d6de75d2abfd96b4681fc98bb2698Steve Naroff#include "clang/AST/DeclObjC.h" 18aaba5e346dffdbad5d1c42765a89e4a7afb0da67Douglas Gregor#include "clang/AST/DeclTemplate.h" 19b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis#include "clang/AST/TypeLoc.h" 20e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/Expr.h" 21ea1471e0e967548c596a71469702f8846dbaf3c0John McCall#include "clang/AST/ExprCXX.h" 222cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor#include "clang/AST/ExternalASTSource.h" 237b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios Kyrtzidis#include "clang/AST/ASTMutationListener.h" 2419cc4abea06a9b49e0e16a50d335c064cd723572Anders Carlsson#include "clang/AST/RecordLayout.h" 2514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne#include "clang/AST/Mangle.h" 261b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner#include "clang/Basic/Builtins.h" 27a9376d470ccb0eac74fe09a6b2a18a890f1d17c4Chris Lattner#include "clang/Basic/SourceManager.h" 285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/Basic/TargetInfo.h" 29f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/ADT/SmallString.h" 3085f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson#include "llvm/ADT/StringExtras.h" 316fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman#include "llvm/Support/MathExtras.h" 32f5942a44880be26878592eb052b737579349411eBenjamin Kramer#include "llvm/Support/raw_ostream.h" 330c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek#include "llvm/Support/Capacity.h" 34071cc7deffad608165b1ddd5263e8bf181861520Charles Davis#include "CXXABI.h" 352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis#include <map> 3629445a0542d128cd7ee587ee52229670b9b54a12Anders Carlsson 375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 391827403a7138946305c0058f262e02b595cf882fDouglas Gregorunsigned ASTContext::NumImplicitDefaultConstructors; 401827403a7138946305c0058f262e02b595cf882fDouglas Gregorunsigned ASTContext::NumImplicitDefaultConstructorsDeclared; 41225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregorunsigned ASTContext::NumImplicitCopyConstructors; 42225843186e3972ce798d3de00f86da9008b15a0eDouglas Gregorunsigned ASTContext::NumImplicitCopyConstructorsDeclared; 43ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Huntunsigned ASTContext::NumImplicitMoveConstructors; 44ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Huntunsigned ASTContext::NumImplicitMoveConstructorsDeclared; 45a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregorunsigned ASTContext::NumImplicitCopyAssignmentOperators; 46a376d10acfacf19d6dfa41069f7929739a18dd7aDouglas Gregorunsigned ASTContext::NumImplicitCopyAssignmentOperatorsDeclared; 47ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Huntunsigned ASTContext::NumImplicitMoveAssignmentOperators; 48ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Huntunsigned ASTContext::NumImplicitMoveAssignmentOperatorsDeclared; 494923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregorunsigned ASTContext::NumImplicitDestructors; 504923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregorunsigned ASTContext::NumImplicitDestructorsDeclared; 514923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor 525f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerenum FloatingRank { 53aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov HalfRank, FloatRank, DoubleRank, LongDoubleRank 545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer}; 555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 56aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenkoconst RawComment *ASTContext::getRawCommentForDeclNoCache(const Decl *D) const { 57aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko if (!CommentsLoaded && ExternalSource) { 58aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko ExternalSource->ReadComments(); 59aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko CommentsLoaded = true; 60aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko } 61aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 62aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko assert(D); 63aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 64c3fee3539fd00a6ce21dc1f574baf76686640072Dmitri Gribenko // User can not attach documentation to implicit declarations. 65c3fee3539fd00a6ce21dc1f574baf76686640072Dmitri Gribenko if (D->isImplicit()) 66c3fee3539fd00a6ce21dc1f574baf76686640072Dmitri Gribenko return NULL; 67c3fee3539fd00a6ce21dc1f574baf76686640072Dmitri Gribenko 68aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // TODO: handle comments for function parameters properly. 69aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko if (isa<ParmVarDecl>(D)) 70aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko return NULL; 71aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 72aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko ArrayRef<RawComment> RawComments = Comments.getComments(); 73aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 74aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // If there are no comments anywhere, we won't find anything. 75aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko if (RawComments.empty()) 76aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko return NULL; 77aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 78aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // If the declaration doesn't map directly to a location in a file, we 79aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // can't find the comment. 80aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko SourceLocation DeclLoc = D->getLocation(); 81aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko if (DeclLoc.isInvalid() || !DeclLoc.isFileID()) 82aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko return NULL; 83aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 84aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // Find the comment that occurs just after this declaration. 85aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko ArrayRef<RawComment>::iterator Comment 86aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko = std::lower_bound(RawComments.begin(), 87aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko RawComments.end(), 889530a8bf275f91f95147e1fb205dc85bea1ae45cDmitri Gribenko RawComment(SourceMgr, SourceRange(DeclLoc)), 89aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko BeforeThanCompare<RawComment>(SourceMgr)); 90aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 91aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // Decompose the location for the declaration and find the beginning of the 92aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // file buffer. 93aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko std::pair<FileID, unsigned> DeclLocDecomp = SourceMgr.getDecomposedLoc(DeclLoc); 94aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 95aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // First check whether we have a trailing comment. 96aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko if (Comment != RawComments.end() && 972d44d77fed3200e2eff289f55493317e90d3398cDmitri Gribenko Comment->isDocumentation() && Comment->isTrailingComment() && 98aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko !isa<TagDecl>(D) && !isa<NamespaceDecl>(D)) { 99aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko std::pair<FileID, unsigned> CommentBeginDecomp 100aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko = SourceMgr.getDecomposedLoc(Comment->getSourceRange().getBegin()); 101aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // Check that Doxygen trailing comment comes after the declaration, starts 102aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // on the same line and in the same file as the declaration. 103aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko if (DeclLocDecomp.first == CommentBeginDecomp.first && 104aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko SourceMgr.getLineNumber(DeclLocDecomp.first, DeclLocDecomp.second) 105aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko == SourceMgr.getLineNumber(CommentBeginDecomp.first, 106aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko CommentBeginDecomp.second)) { 107aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko return &*Comment; 108aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko } 109aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko } 110aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 111aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // The comment just after the declaration was not a trailing comment. 112aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // Let's look at the previous comment. 113aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko if (Comment == RawComments.begin()) 114aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko return NULL; 115aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko --Comment; 116aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 117aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // Check that we actually have a non-member Doxygen comment. 1182d44d77fed3200e2eff289f55493317e90d3398cDmitri Gribenko if (!Comment->isDocumentation() || Comment->isTrailingComment()) 119aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko return NULL; 120aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 121aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // Decompose the end of the comment. 122aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko std::pair<FileID, unsigned> CommentEndDecomp 123aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko = SourceMgr.getDecomposedLoc(Comment->getSourceRange().getEnd()); 124aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 125aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // If the comment and the declaration aren't in the same file, then they 126aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // aren't related. 127aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko if (DeclLocDecomp.first != CommentEndDecomp.first) 128aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko return NULL; 129aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 130aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // Get the corresponding buffer. 131aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko bool Invalid = false; 132aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko const char *Buffer = SourceMgr.getBufferData(DeclLocDecomp.first, 133aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko &Invalid).data(); 134aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko if (Invalid) 135aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko return NULL; 136aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 137aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // Extract text between the comment and declaration. 138aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko StringRef Text(Buffer + CommentEndDecomp.second, 139aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko DeclLocDecomp.second - CommentEndDecomp.second); 140aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 1418bdb58a7835a9a90dd9b9791fccf269cbc1dcef3Dmitri Gribenko // There should be no other declarations or preprocessor directives between 1428bdb58a7835a9a90dd9b9791fccf269cbc1dcef3Dmitri Gribenko // comment and declaration. 1438bdb58a7835a9a90dd9b9791fccf269cbc1dcef3Dmitri Gribenko if (Text.find_first_of(",;{}#") != StringRef::npos) 144aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko return NULL; 145aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 146aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko return &*Comment; 147aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko} 148aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 149aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenkoconst RawComment *ASTContext::getRawCommentForDecl(const Decl *D) const { 150aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // Check whether we have cached a comment string for this declaration 151aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko // already. 152aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko llvm::DenseMap<const Decl *, const RawComment *>::iterator Pos 153aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko = DeclComments.find(D); 154aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko if (Pos != DeclComments.end()) 155aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko return Pos->second; 156aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 157aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko const RawComment *RC = getRawCommentForDeclNoCache(D); 158aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko DeclComments[D] = RC; 159aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko return RC; 160aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko} 161aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko 1623e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregorvoid 1633e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorASTContext::CanonicalTemplateTemplateParm::Profile(llvm::FoldingSetNodeID &ID, 1643e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *Parm) { 1653e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Parm->getDepth()); 1663e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Parm->getPosition()); 16761c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor ID.AddBoolean(Parm->isParameterPack()); 1683e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1693e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList *Params = Parm->getTemplateParameters(); 1703e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(Params->size()); 1713e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 1723e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor PEnd = Params->end(); 1733e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor P != PEnd; ++P) { 1743e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) { 1753e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(0); 1763e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddBoolean(TTP->isParameterPack()); 1773e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor continue; 1783e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 1793e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1803e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(*P)) { 1813e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(1); 18261c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor ID.AddBoolean(NTTP->isParameterPack()); 1839e9c454b12671a624f666fc6fbf132fdf183effcEli Friedman ID.AddPointer(NTTP->getType().getCanonicalType().getAsOpaquePtr()); 1846952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (NTTP->isExpandedParameterPack()) { 1856952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddBoolean(true); 1866952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddInteger(NTTP->getNumExpansionTypes()); 1879e9c454b12671a624f666fc6fbf132fdf183effcEli Friedman for (unsigned I = 0, N = NTTP->getNumExpansionTypes(); I != N; ++I) { 1889e9c454b12671a624f666fc6fbf132fdf183effcEli Friedman QualType T = NTTP->getExpansionType(I); 1899e9c454b12671a624f666fc6fbf132fdf183effcEli Friedman ID.AddPointer(T.getCanonicalType().getAsOpaquePtr()); 1909e9c454b12671a624f666fc6fbf132fdf183effcEli Friedman } 1916952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else 1926952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ID.AddBoolean(false); 1933e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor continue; 1943e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 1953e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 1963e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *TTP = cast<TemplateTemplateParmDecl>(*P); 1973e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor ID.AddInteger(2); 1983e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Profile(ID, TTP); 1993e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 2003e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 2013e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 2023e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorTemplateTemplateParmDecl * 2033e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas GregorASTContext::getCanonicalTemplateTemplateParmDecl( 2044ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad TemplateTemplateParmDecl *TTP) const { 2053e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Check if we already have a canonical template template parameter. 2063e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor llvm::FoldingSetNodeID ID; 2073e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonicalTemplateTemplateParm::Profile(ID, TTP); 2083e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor void *InsertPos = 0; 2093e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonicalTemplateTemplateParm *Canonical 2103e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 2113e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (Canonical) 2123e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return Canonical->getParam(); 2133e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 2143e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Build a canonical template parameter list. 2153e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList *Params = TTP->getTemplateParameters(); 2165f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<NamedDecl *, 4> CanonParams; 2173e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.reserve(Params->size()); 2183e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 2193e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor PEnd = Params->end(); 2203e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor P != PEnd; ++P) { 2213e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) 2223e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back( 2233e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTypeParmDecl::Create(*this, getTranslationUnitDecl(), 224344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara SourceLocation(), 225344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara SourceLocation(), 226344577e6b58f42d18dc8118c8903b49a85dc005eAbramo Bagnara TTP->getDepth(), 2273e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->getIndex(), 0, false, 2283e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TTP->isParameterPack())); 2293e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor else if (NonTypeTemplateParmDecl *NTTP 2306952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor = dyn_cast<NonTypeTemplateParmDecl>(*P)) { 2316952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor QualType T = getCanonicalType(NTTP->getType()); 2326952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TypeSourceInfo *TInfo = getTrivialTypeSourceInfo(T); 2336952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NonTypeTemplateParmDecl *Param; 2346952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor if (NTTP->isExpandedParameterPack()) { 2355f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 2> ExpandedTypes; 2365f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TypeSourceInfo *, 2> ExpandedTInfos; 2376952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor for (unsigned I = 0, N = NTTP->getNumExpansionTypes(); I != N; ++I) { 2386952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.push_back(getCanonicalType(NTTP->getExpansionType(I))); 2396952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTInfos.push_back( 2406952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor getTrivialTypeSourceInfo(ExpandedTypes.back())); 2416952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 2426952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor 2436952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor Param = NonTypeTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 244ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 245ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 2466952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getDepth(), 2476952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getPosition(), 0, 2486952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor T, 2496952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TInfo, 2506952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.data(), 2516952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTypes.size(), 2526952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor ExpandedTInfos.data()); 2536952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else { 2546952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor Param = NonTypeTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 255ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 256ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 2576952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getDepth(), 2586952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->getPosition(), 0, 2596952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor T, 2606952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor NTTP->isParameterPack(), 2616952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor TInfo); 2626952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } 2636952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor CanonParams.push_back(Param); 2646952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor 2656952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor } else 2663e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.push_back(getCanonicalTemplateTemplateParmDecl( 2673e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor cast<TemplateTemplateParmDecl>(*P))); 2683e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 2693e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 2703e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateTemplateParmDecl *CanonTTP 2713e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor = TemplateTemplateParmDecl::Create(*this, getTranslationUnitDecl(), 2723e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), TTP->getDepth(), 27361c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor TTP->getPosition(), 27461c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor TTP->isParameterPack(), 27561c4d28e36cd3f1be392cb77f07436d1fa6b0f9fDouglas Gregor 0, 2763e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor TemplateParameterList::Create(*this, SourceLocation(), 2773e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation(), 2783e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.data(), 2793e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonParams.size(), 2803e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor SourceLocation())); 2813e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 2823e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Get the new insert position for the node we care about. 2833e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = CanonTemplateTemplateParms.FindNodeOrInsertPos(ID, InsertPos); 2843e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor assert(Canonical == 0 && "Shouldn't be in the map!"); 2853e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor (void)Canonical; 2863e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 2873e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // Create the canonical template template parameter entry. 2883e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Canonical = new (*this) CanonicalTemplateTemplateParm(CanonTTP); 2893e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor CanonTemplateTemplateParms.InsertNode(Canonical, InsertPos); 2903e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor return CanonTTP; 2913e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor} 2923e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 293071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI *ASTContext::createCXXABI(const TargetInfo &T) { 294ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall if (!LangOpts.CPlusPlus) return 0; 295ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall 29620cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis switch (T.getCXXABI()) { 297ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_ARM: 298ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall return CreateARMCXXABI(*this); 299ee79a4c30e5d1c5285551c9a25b8ec6d45d46aa7John McCall case CXXABI_Itanium: 300071cc7deffad608165b1ddd5263e8bf181861520Charles Davis return CreateItaniumCXXABI(*this); 30120cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis case CXXABI_Microsoft: 30220cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis return CreateMicrosoftCXXABI(*this); 30320cf717034ba1f20fc47c025ecb72ed9b631ad13Charles Davis } 3047530c034c0c71a64c5a9173206d9742ae847af8bDavid Blaikie llvm_unreachable("Invalid CXXABI type!"); 305071cc7deffad608165b1ddd5263e8bf181861520Charles Davis} 306071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 307bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregorstatic const LangAS::Map *getAddressSpaceMap(const TargetInfo &T, 308207f4d8543529221932af82836016a2ef066c917Peter Collingbourne const LangOptions &LOpts) { 309207f4d8543529221932af82836016a2ef066c917Peter Collingbourne if (LOpts.FakeAddressSpaceMap) { 310207f4d8543529221932af82836016a2ef066c917Peter Collingbourne // The fake address space map must have a distinct entry for each 311207f4d8543529221932af82836016a2ef066c917Peter Collingbourne // language-specific address space. 312207f4d8543529221932af82836016a2ef066c917Peter Collingbourne static const unsigned FakeAddrSpaceMap[] = { 313207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 1, // opencl_global 314207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 2, // opencl_local 3154dc34ebf2a0716bf77ba110dab6777a3fc4397ddPeter Collingbourne 3, // opencl_constant 3164dc34ebf2a0716bf77ba110dab6777a3fc4397ddPeter Collingbourne 4, // cuda_device 3174dc34ebf2a0716bf77ba110dab6777a3fc4397ddPeter Collingbourne 5, // cuda_constant 3184dc34ebf2a0716bf77ba110dab6777a3fc4397ddPeter Collingbourne 6 // cuda_shared 319207f4d8543529221932af82836016a2ef066c917Peter Collingbourne }; 320bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor return &FakeAddrSpaceMap; 321207f4d8543529221932af82836016a2ef066c917Peter Collingbourne } else { 322bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor return &T.getAddressSpaceMap(); 323207f4d8543529221932af82836016a2ef066c917Peter Collingbourne } 324207f4d8543529221932af82836016a2ef066c917Peter Collingbourne} 325207f4d8543529221932af82836016a2ef066c917Peter Collingbourne 3263e3cd93b2fd9644e970c389e715c13883faf68b6Douglas GregorASTContext::ASTContext(LangOptions& LOpts, SourceManager &SM, 327bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor const TargetInfo *t, 328e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar IdentifierTable &idents, SelectorTable &sels, 3291b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner Builtin::Context &builtins, 330bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor unsigned size_reserve, 331bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor bool DelayInitialization) 332bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor : FunctionProtoTypes(this_()), 333bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor TemplateSpecializationTypes(this_()), 334bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor DependentTemplateSpecializationTypes(this_()), 335bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor SubstTemplateTemplateParmPacks(this_()), 336bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor GlobalNestedNameSpecifier(0), 337bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Int128Decl(0), UInt128Decl(0), 338c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge BuiltinVaListDecl(0), 339a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor ObjCIdDecl(0), ObjCSelDecl(0), ObjCClassDecl(0), ObjCProtocolClassDecl(0), 340e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor CFConstantStringTypeDecl(0), ObjCInstanceTypeDecl(0), 341bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor FILEDecl(0), 342e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola jmp_bufDecl(0), sigjmp_bufDecl(0), ucontext_tDecl(0), 343e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola BlockDescriptorType(0), BlockDescriptorExtendedType(0), 344e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola cudaConfigureCallDecl(0), 345e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor NullTypeSourceInfo(QualType()), 346e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor FirstLocalImport(), LastLocalImport(), 347bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor SourceMgr(SM), LangOpts(LOpts), 34830c42404202d2e2512e51efc6066bd614cfdb5a4Douglas Gregor AddrSpaceMap(0), Target(t), PrintingPolicy(LOpts), 349bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Idents(idents), Selectors(sels), 350bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor BuiltinInfo(builtins), 351bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor DeclarationNames(*this), 35230c42404202d2e2512e51efc6066bd614cfdb5a4Douglas Gregor ExternalSource(0), Listener(0), 353aa0cd85838f2a024e589ea4e8c2094130065af21Dmitri Gribenko Comments(SM), CommentsLoaded(false), 354bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor LastSDM(0, 0), 355bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor UniqueBlockByRefTypeID(0) 356bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor{ 3571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (size_reserve > 0) Types.reserve(size_reserve); 358e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar TUDecl = TranslationUnitDecl::Create(*this); 359bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor 360bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor if (!DelayInitialization) { 361bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor assert(t && "No target supplied for ASTContext initialization"); 362bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor InitBuiltinTypes(*t); 363bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor } 364e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar} 365e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar 3665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid SpencerASTContext::~ASTContext() { 3673478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // Release the DenseMaps associated with DeclContext objects. 3683478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek // FIXME: Is this the ideal solution? 3693478eb6872d836600caf45b0f81c2065d685d6e0Ted Kremenek ReleaseDeclContextMaps(); 3707d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 37163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Call all of the deallocation functions. 37263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (unsigned I = 0, N = Deallocations.size(); I != N; ++I) 37363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor Deallocations[I].first(Deallocations[I].second); 3740054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 375dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // ASTRecordLayout objects in ASTRecordLayouts must always be destroyed 37663fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // because they can contain DenseMaps. 37763fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor for (llvm::DenseMap<const ObjCContainerDecl*, 37863fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor const ASTRecordLayout*>::iterator 37963fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor I = ObjCLayouts.begin(), E = ObjCLayouts.end(); I != E; ) 38063fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor // Increment in loop to prevent using deallocated memory. 38163fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 38263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor R->Destroy(*this); 38363fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor 384dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek for (llvm::DenseMap<const RecordDecl*, const ASTRecordLayout*>::iterator 385dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek I = ASTRecordLayouts.begin(), E = ASTRecordLayouts.end(); I != E; ) { 386dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek // Increment in loop to prevent using deallocated memory. 387dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek if (ASTRecordLayout *R = const_cast<ASTRecordLayout*>((I++)->second)) 388dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek R->Destroy(*this); 389dcfcfbec478f7ed96cd8d92f30c29bd4e30d5b9cTed Kremenek } 3906320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 3916320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor for (llvm::DenseMap<const Decl*, AttrVec*>::iterator A = DeclAttrs.begin(), 3926320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AEnd = DeclAttrs.end(); 3936320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A != AEnd; ++A) 3946320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor A->second->~AttrVec(); 3956320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 396ab452ba8323d1985e08bade2bced588cddf2cc28Douglas Gregor 3970054531488928a424666ac11fcdc6bcc5112de52Douglas Gregorvoid ASTContext::AddDeallocation(void (*Callback)(void*), void *Data) { 3980054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor Deallocations.push_back(std::make_pair(Callback, Data)); 3990054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor} 4000054531488928a424666ac11fcdc6bcc5112de52Douglas Gregor 4011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 4026f42b62b6194f53bcbc349f5d17388e1936535d7Dylan NoblesmithASTContext::setExternalSource(OwningPtr<ExternalASTSource> &Source) { 4032cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource.reset(Source.take()); 4042cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor} 4052cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencervoid ASTContext::PrintStats() const { 407cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << "\n*** AST Context Stats:\n"; 408cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << " " << Types.size() << " types total.\n"; 4097c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 410dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned counts[] = { 4111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define TYPE(Name, Parent) 0, 412dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 413dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 414dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor 0 // Extra 415dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor }; 416c2ee10d79f70036af652a395ac1f8273f3d04e12Douglas Gregor 4175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0, e = Types.size(); i != e; ++i) { 4185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Type *T = Types[i]; 419dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor counts[(unsigned)T->getTypeClass()]++; 4205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 422dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned Idx = 0; 423dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor unsigned TotalBytes = 0; 424dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define TYPE(Name, Parent) \ 425dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor if (counts[Idx]) \ 426cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << " " << counts[Idx] << " " << #Name \ 427cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " types\n"; \ 428dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor TotalBytes += counts[Idx] * sizeof(Name##Type); \ 429dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor ++Idx; 430dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#define ABSTRACT_TYPE(Name, Parent) 431dbe833da54e1b6192991b64fc453cd50b5ee7909Douglas Gregor#include "clang/AST/TypeNodes.def" 4321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 433cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << "Total bytes = " << TotalBytes << "\n"; 434cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth 4354923aa25eb39d64106a5817c02d560a3aecf8b2cDouglas Gregor // Implicit special member functions. 436cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitDefaultConstructorsDeclared << "/" 437cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitDefaultConstructors 438cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit default constructors created\n"; 439cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitCopyConstructorsDeclared << "/" 440cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitCopyConstructors 441cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit copy constructors created\n"; 4424e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().CPlusPlus) 443cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitMoveConstructorsDeclared << "/" 444cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitMoveConstructors 445cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit move constructors created\n"; 446cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitCopyAssignmentOperatorsDeclared << "/" 447cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitCopyAssignmentOperators 448cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit copy assignment operators created\n"; 4494e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().CPlusPlus) 450cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitMoveAssignmentOperatorsDeclared << "/" 451cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitMoveAssignmentOperators 452cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit move assignment operators created\n"; 453cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << NumImplicitDestructorsDeclared << "/" 454cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << NumImplicitDestructors 455cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth << " implicit destructors created\n"; 456cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth 4572cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor if (ExternalSource.get()) { 458cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth llvm::errs() << "\n"; 4592cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor ExternalSource->PrintStats(); 4602cf2634ffdb4f7c8d46cef3f8e60a55993f1c57aDouglas Gregor } 461cd92a65edc7cbbbb7e3aee8d31008594de90fa51Chandler Carruth 46263fe86bee66fc145942c56b2cc564ea0b9b9ea12Douglas Gregor BumpAlloc.PrintStats(); 4635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 465772eeaefef2c883aabe35caf4543e7e32d290183Douglas GregorTypedefDecl *ASTContext::getInt128Decl() const { 466772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor if (!Int128Decl) { 467772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TypeSourceInfo *TInfo = getTrivialTypeSourceInfo(Int128Ty); 468772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor Int128Decl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 469772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor getTranslationUnitDecl(), 470772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 471772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 472772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor &Idents.get("__int128_t"), 473772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TInfo); 474772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor } 475772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor 476772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor return Int128Decl; 477772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor} 478772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor 479772eeaefef2c883aabe35caf4543e7e32d290183Douglas GregorTypedefDecl *ASTContext::getUInt128Decl() const { 480772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor if (!UInt128Decl) { 481772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TypeSourceInfo *TInfo = getTrivialTypeSourceInfo(UnsignedInt128Ty); 482772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor UInt128Decl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 483772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor getTranslationUnitDecl(), 484772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 485772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor SourceLocation(), 486772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor &Idents.get("__uint128_t"), 487772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor TInfo); 488772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor } 489772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor 490772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor return UInt128Decl; 491772eeaefef2c883aabe35caf4543e7e32d290183Douglas Gregor} 4925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 493e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallvoid ASTContext::InitBuiltinType(CanQualType &R, BuiltinType::Kind K) { 4946b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BuiltinType *Ty = new (*this, TypeAlignment) BuiltinType(K); 495e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall R = CanQualType::CreateUnsafe(QualType(Ty, 0)); 4966b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Types.push_back(Ty); 4975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 499bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregorvoid ASTContext::InitBuiltinTypes(const TargetInfo &Target) { 500bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor assert((!this->Target || this->Target == &Target) && 501bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor "Incorrect target reinitialization"); 5025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(VoidTy.isNull() && "Context reinitialized?"); 5031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 504bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor this->Target = &Target; 505bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor 506bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor ABI.reset(createCXXABI(Target)); 507bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor AddrSpaceMap = getAddressSpaceMap(Target, LangOpts); 508bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor 5095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p19. 5105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(VoidTy, BuiltinType::Void); 5111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p2. 5135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(BoolTy, BuiltinType::Bool); 5145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p3. 51515b91764d08e886391c865c4a444d7b51141c284Eli Friedman if (LangOpts.CharIsSigned) 5165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_S); 5175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer else 5185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(CharTy, BuiltinType::Char_U); 5195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p4. 5205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(SignedCharTy, BuiltinType::SChar); 5215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(ShortTy, BuiltinType::Short); 5225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(IntTy, BuiltinType::Int); 5235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongTy, BuiltinType::Long); 5245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongLongTy, BuiltinType::LongLong); 5251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p6. 5275f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedCharTy, BuiltinType::UChar); 5285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedShortTy, BuiltinType::UShort); 5295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedIntTy, BuiltinType::UInt); 5305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongTy, BuiltinType::ULong); 5315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(UnsignedLongLongTy, BuiltinType::ULongLong); 5321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p10. 5345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(FloatTy, BuiltinType::Float); 5355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(DoubleTy, BuiltinType::Double); 5365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer InitBuiltinType(LongDoubleTy, BuiltinType::LongDouble); 53764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 5382df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner // GNU extension, 128-bit integers. 5392df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(Int128Ty, BuiltinType::Int128); 5402df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner InitBuiltinType(UnsignedInt128Ty, BuiltinType::UInt128); 5412df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner 5423f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner if (LangOpts.CPlusPlus) { // C++ 3.9.1p5 543d3d77cd138f8e830f6547b6f83fcd5721ccf5f5dEli Friedman if (TargetInfo::isTypeSigned(Target.getWCharType())) 5443f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_S); 5453f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner else // -fshort-wchar makes wchar_t be unsigned. 5463f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner InitBuiltinType(WCharTy, BuiltinType::WChar_U); 5473f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner } else // C99 5483a2503227c3db04a3619735127483263c1075ef7Chris Lattner WCharTy = getFromTargetType(Target.getWCharType()); 54964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 550392da48160bd92ceb486792780467cbfdb2d0e8cJames Molloy WIntTy = getFromTargetType(Target.getWIntType()); 551392da48160bd92ceb486792780467cbfdb2d0e8cJames Molloy 552f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 553f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char16Ty, BuiltinType::Char16); 554f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 555f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char16Ty = getFromTargetType(Target.getChar16Type()); 556f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 557f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith if (LangOpts.CPlusPlus) // C++0x 3.9.1p5, extension for C++ 558f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith InitBuiltinType(Char32Ty, BuiltinType::Char32); 559f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith else // C99 560f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith Char32Ty = getFromTargetType(Target.getChar32Type()); 561f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 562898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // Placeholder type for type-dependent expressions whose type is 563898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // completely unknown. No code should ever check a type against 564898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // DependentTy and users should never see it; however, it is here to 565898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // help diagnose failures to properly check for type-dependent 566898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor // expressions. 567898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor InitBuiltinType(DependentTy, BuiltinType::Dependent); 5688e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 5692a984cad5ac3fdceeff2bd99daa7b90979313475John McCall // Placeholder type for functions. 5702a984cad5ac3fdceeff2bd99daa7b90979313475John McCall InitBuiltinType(OverloadTy, BuiltinType::Overload); 5712a984cad5ac3fdceeff2bd99daa7b90979313475John McCall 572864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall // Placeholder type for bound members. 573864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall InitBuiltinType(BoundMemberTy, BuiltinType::BoundMember); 574864c041e118155c2b1ce0ba36942a3da5a4a055eJohn McCall 5753c3b7f90a863af43fa63043d396553ecf205351cJohn McCall // Placeholder type for pseudo-objects. 5763c3b7f90a863af43fa63043d396553ecf205351cJohn McCall InitBuiltinType(PseudoObjectTy, BuiltinType::PseudoObject); 5773c3b7f90a863af43fa63043d396553ecf205351cJohn McCall 5781de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall // "any" type; useful for debugger-like clients. 5791de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall InitBuiltinType(UnknownAnyTy, BuiltinType::UnknownAny); 5801de4d4e8cb2e9c88809fea8092bc6e835a5473d2John McCall 5810ddaeb9b031070ec64afe92d9892875ac44df427John McCall // Placeholder type for unbridged ARC casts. 5820ddaeb9b031070ec64afe92d9892875ac44df427John McCall InitBuiltinType(ARCUnbridgedCastTy, BuiltinType::ARCUnbridgedCast); 5830ddaeb9b031070ec64afe92d9892875ac44df427John McCall 5845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // C99 6.2.5p11. 5855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer FloatComplexTy = getComplexType(FloatTy); 5865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer DoubleComplexTy = getComplexType(DoubleTy); 5875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer LongDoubleComplexTy = getComplexType(LongDoubleTy); 5888e9bebdea69c590dedfbf27374114cb76fe12fbdDouglas Gregor 58913dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian // Builtin types for 'id', 'Class', and 'SEL'. 590de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinIdTy, BuiltinType::ObjCId); 591de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff InitBuiltinType(ObjCBuiltinClassTy, BuiltinType::ObjCClass); 59213dcd00615de5c4279d97bdf63cd5f0a14fd9dccFariborz Jahanian InitBuiltinType(ObjCBuiltinSelTy, BuiltinType::ObjCSel); 593ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 594ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek // Builtin type for __objc_yes and __objc_no 59593a49944e0e68e32bc22d45d44ee136b34beffb3Fariborz Jahanian ObjCBuiltinBoolTy = (Target.useSignedCharForObjCBool() ? 59693a49944e0e68e32bc22d45d44ee136b34beffb3Fariborz Jahanian SignedCharTy : BoolTy); 597ebcb57a8d298862c65043e88b2429591ab3c58d3Ted Kremenek 598a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = QualType(); 5991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 60033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // void * type 60133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian VoidPtrTy = getPointerType(VoidTy); 6026e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl 6036e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl // nullptr type (C++0x 2.14.7) 6046e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl InitBuiltinType(NullPtrTy, BuiltinType::NullPtr); 605aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov 606aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov // half type (OpenCL 6.1.1.1) / ARM NEON __fp16 607aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov InitBuiltinType(HalfTy, BuiltinType::Half); 6085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 6095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 610d6471f7c1921c7802804ce3ff6fe9768310f72b9David BlaikieDiagnosticsEngine &ASTContext::getDiagnostics() const { 61178a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis return SourceMgr.getDiagnostics(); 61278a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis} 61378a916ec5ff5b66adec3c499e1b9af7b87668309Argyrios Kyrtzidis 6146320064d0c60fa8683f5623881c9394fd4aa7689Douglas GregorAttrVec& ASTContext::getDeclAttrs(const Decl *D) { 6156320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor AttrVec *&Result = DeclAttrs[D]; 6166320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (!Result) { 6176320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor void *Mem = Allocate(sizeof(AttrVec)); 6186320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Result = new (Mem) AttrVec; 6196320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 6206320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 6216320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor return *Result; 6226320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 6236320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 6246320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor/// \brief Erase the attributes corresponding to the given declaration. 6256320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregorvoid ASTContext::eraseDeclAttrs(const Decl *D) { 6266320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor llvm::DenseMap<const Decl*, AttrVec*>::iterator Pos = DeclAttrs.find(D); 6276320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor if (Pos != DeclAttrs.end()) { 6286320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor Pos->second->~AttrVec(); 6296320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor DeclAttrs.erase(Pos); 6306320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor } 6316320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor} 6326320064d0c60fa8683f5623881c9394fd4aa7689Douglas Gregor 633251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorMemberSpecializationInfo * 634663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorASTContext::getInstantiatedFromStaticDataMember(const VarDecl *Var) { 6357caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Var->isStaticDataMember() && "Not a static data member"); 636663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas Gregor llvm::DenseMap<const VarDecl *, MemberSpecializationInfo *>::iterator Pos 6377caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor = InstantiatedFromStaticDataMember.find(Var); 6387caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor if (Pos == InstantiatedFromStaticDataMember.end()) 6397caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return 0; 6401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6417caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor return Pos->second; 6427caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 6437caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 6441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 645251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas GregorASTContext::setInstantiatedFromStaticDataMember(VarDecl *Inst, VarDecl *Tmpl, 6469421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis TemplateSpecializationKind TSK, 6479421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis SourceLocation PointOfInstantiation) { 6487caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Inst->isStaticDataMember() && "Not a static data member"); 6497caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(Tmpl->isStaticDataMember() && "Not a static data member"); 6507caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor assert(!InstantiatedFromStaticDataMember[Inst] && 6517caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor "Already noted what static data member was instantiated from"); 652251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor InstantiatedFromStaticDataMember[Inst] 6539421adc43891e272156fab640e5d5ee5054b779cArgyrios Kyrtzidis = new (*this) MemberSpecializationInfo(Tmpl, TSK, PointOfInstantiation); 6547caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 6557caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 656af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois PichetFunctionDecl *ASTContext::getClassScopeSpecializationPattern( 657af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet const FunctionDecl *FD){ 658af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet assert(FD && "Specialization is 0"); 659af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet llvm::DenseMap<const FunctionDecl*, FunctionDecl *>::const_iterator Pos 6600d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet = ClassScopeSpecializationPattern.find(FD); 6610d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet if (Pos == ClassScopeSpecializationPattern.end()) 662af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet return 0; 663af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 664af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet return Pos->second; 665af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet} 666af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 667af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichetvoid ASTContext::setClassScopeSpecializationPattern(FunctionDecl *FD, 668af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet FunctionDecl *Pattern) { 669af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet assert(FD && "Specialization is 0"); 670af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet assert(Pattern && "Class scope specialization pattern is 0"); 6710d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet ClassScopeSpecializationPattern[FD] = Pattern; 672af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet} 673af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet 6747ba107a1863ddfa1664555854f0d7bdb3c491c92John McCallNamedDecl * 675ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingDecl(UsingDecl *UUD) { 6767ba107a1863ddfa1664555854f0d7bdb3c491c92John McCall llvm::DenseMap<UsingDecl *, NamedDecl *>::const_iterator Pos 677ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingDecl.find(UUD); 678ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingDecl.end()) 6790d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return 0; 6801eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6810d8df780aef1acda5962347a32591efc629b6748Anders Carlsson return Pos->second; 6820d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 6830d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 6840d8df780aef1acda5962347a32591efc629b6748Anders Carlssonvoid 685ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingDecl(UsingDecl *Inst, NamedDecl *Pattern) { 686ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert((isa<UsingDecl>(Pattern) || 687ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingValueDecl>(Pattern) || 688ed97649e9574b9d854fa4d6109c9333ae0993554John McCall isa<UnresolvedUsingTypenameDecl>(Pattern)) && 689ed97649e9574b9d854fa4d6109c9333ae0993554John McCall "pattern decl is not a using decl"); 690ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingDecl[Inst] && "pattern already exists"); 691ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingDecl[Inst] = Pattern; 692ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 693ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 694ed97649e9574b9d854fa4d6109c9333ae0993554John McCallUsingShadowDecl * 695ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::getInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst) { 696ed97649e9574b9d854fa4d6109c9333ae0993554John McCall llvm::DenseMap<UsingShadowDecl*, UsingShadowDecl*>::const_iterator Pos 697ed97649e9574b9d854fa4d6109c9333ae0993554John McCall = InstantiatedFromUsingShadowDecl.find(Inst); 698ed97649e9574b9d854fa4d6109c9333ae0993554John McCall if (Pos == InstantiatedFromUsingShadowDecl.end()) 699ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return 0; 700ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 701ed97649e9574b9d854fa4d6109c9333ae0993554John McCall return Pos->second; 702ed97649e9574b9d854fa4d6109c9333ae0993554John McCall} 703ed97649e9574b9d854fa4d6109c9333ae0993554John McCall 704ed97649e9574b9d854fa4d6109c9333ae0993554John McCallvoid 705ed97649e9574b9d854fa4d6109c9333ae0993554John McCallASTContext::setInstantiatedFromUsingShadowDecl(UsingShadowDecl *Inst, 706ed97649e9574b9d854fa4d6109c9333ae0993554John McCall UsingShadowDecl *Pattern) { 707ed97649e9574b9d854fa4d6109c9333ae0993554John McCall assert(!InstantiatedFromUsingShadowDecl[Inst] && "pattern already exists"); 708ed97649e9574b9d854fa4d6109c9333ae0993554John McCall InstantiatedFromUsingShadowDecl[Inst] = Pattern; 7090d8df780aef1acda5962347a32591efc629b6748Anders Carlsson} 7100d8df780aef1acda5962347a32591efc629b6748Anders Carlsson 711d8b285fee4471f393da8ee30f552ceacdc362afaAnders CarlssonFieldDecl *ASTContext::getInstantiatedFromUnnamedFieldDecl(FieldDecl *Field) { 712d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson llvm::DenseMap<FieldDecl *, FieldDecl *>::iterator Pos 713d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson = InstantiatedFromUnnamedFieldDecl.find(Field); 714d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson if (Pos == InstantiatedFromUnnamedFieldDecl.end()) 715d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return 0; 7161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 717d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson return Pos->second; 718d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 719d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 720d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlssonvoid ASTContext::setInstantiatedFromUnnamedFieldDecl(FieldDecl *Inst, 721d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson FieldDecl *Tmpl) { 722d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Inst->getDeclName() && "Instantiated field decl is not unnamed"); 723d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!Tmpl->getDeclName() && "Template field decl is not unnamed"); 724d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson assert(!InstantiatedFromUnnamedFieldDecl[Inst] && 725d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson "Already noted what unnamed field was instantiated from"); 7261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 727d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson InstantiatedFromUnnamedFieldDecl[Inst] = Tmpl; 728d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson} 729d8b285fee4471f393da8ee30f552ceacdc362afaAnders Carlsson 73014d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanianbool ASTContext::ZeroBitfieldFollowsNonBitfield(const FieldDecl *FD, 73114d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian const FieldDecl *LastFD) const { 73214d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian return (FD->isBitField() && LastFD && !LastFD->isBitField() && 733a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith FD->getBitWidthValue(*this) == 0); 73414d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian} 73514d56ef43ff4921c6749f7340212fbb743fdbb9bFariborz Jahanian 736340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanianbool ASTContext::ZeroBitfieldFollowsBitfield(const FieldDecl *FD, 737340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian const FieldDecl *LastFD) const { 738340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian return (FD->isBitField() && LastFD && LastFD->isBitField() && 739a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith FD->getBitWidthValue(*this) == 0 && 740a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith LastFD->getBitWidthValue(*this) != 0); 741340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian} 742340fa242130c2d8d74c83edca0952e771aebe0e6Fariborz Jahanian 7439b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanianbool ASTContext::BitfieldFollowsBitfield(const FieldDecl *FD, 7449b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian const FieldDecl *LastFD) const { 7459b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian return (FD->isBitField() && LastFD && LastFD->isBitField() && 746a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith FD->getBitWidthValue(*this) && 747a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith LastFD->getBitWidthValue(*this)); 7489b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian} 7499b3acaa32548d0ce78b9c39a3911397f6738a47cFariborz Jahanian 750dd7fddb5b6883326e52b278a9b7e9cefea29aae0Chad Rosierbool ASTContext::NonBitfieldFollowsBitfield(const FieldDecl *FD, 75152bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian const FieldDecl *LastFD) const { 75252bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian return (!FD->isBitField() && LastFD && LastFD->isBitField() && 753a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith LastFD->getBitWidthValue(*this)); 75452bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian} 75552bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian 756dd7fddb5b6883326e52b278a9b7e9cefea29aae0Chad Rosierbool ASTContext::BitfieldFollowsNonBitfield(const FieldDecl *FD, 75752bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian const FieldDecl *LastFD) const { 75852bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian return (FD->isBitField() && LastFD && !LastFD->isBitField() && 759a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith FD->getBitWidthValue(*this)); 76052bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian} 76152bbe7a1133c3cb57e9246f1b96c12940ea3821aFariborz Jahanian 7627d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 7637d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_begin(const CXXMethodDecl *Method) const { 7647d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 7657d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 7667d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 7677d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 7687d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 7697d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.begin(); 7707d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 7717d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 7727d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_cxx_method_iterator 7737d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas GregorASTContext::overridden_methods_end(const CXXMethodDecl *Method) const { 7747d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 7757d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor = OverriddenMethods.find(Method); 7767d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor if (Pos == OverriddenMethods.end()) 7777d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return 0; 7787d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 7797d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor return Pos->second.end(); 7807d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 7817d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 782c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidisunsigned 783c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios KyrtzidisASTContext::overridden_methods_size(const CXXMethodDecl *Method) const { 784c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis llvm::DenseMap<const CXXMethodDecl *, CXXMethodVector>::const_iterator Pos 785c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis = OverriddenMethods.find(Method); 786c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis if (Pos == OverriddenMethods.end()) 787c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return 0; 788c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 789c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis return Pos->second.size(); 790c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis} 791c91e9f439ae85d5f79a6b65672f1d7d1b55ccda0Argyrios Kyrtzidis 7927d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregorvoid ASTContext::addOverriddenMethod(const CXXMethodDecl *Method, 7937d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor const CXXMethodDecl *Overridden) { 7947d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor OverriddenMethods[Method].push_back(Overridden); 7957d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor} 7967d10b7eb670b821741b4c96f6cf7afbc3bb39abeDouglas Gregor 797e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregorvoid ASTContext::addedLocalImportDecl(ImportDecl *Import) { 798e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor assert(!Import->NextLocalImport && "Import declaration already in the chain"); 799e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor assert(!Import->isFromASTFile() && "Non-local import declaration"); 800e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor if (!FirstLocalImport) { 801e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor FirstLocalImport = Import; 802e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor LastLocalImport = Import; 803e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor return; 804e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor } 805e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor 806e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor LastLocalImport->NextLocalImport = Import; 807e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor LastLocalImport = Import; 808e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor} 809e664977aca2a05a77abab5a06dc0fb69e870cfb9Douglas Gregor 810464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 811464175bba1318bef7905122e9fda20cff926df78Chris Lattner// Type Sizing and Analysis 812464175bba1318bef7905122e9fda20cff926df78Chris Lattner//===----------------------------------------------------------------------===// 813a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 814b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// getFloatTypeSemantics - Return the APFloat 'semantics' for the specified 815b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner/// scalar floating point type. 816b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattnerconst llvm::fltSemantics &ASTContext::getFloatTypeSemantics(QualType T) const { 817183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const BuiltinType *BT = T->getAs<BuiltinType>(); 818b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner assert(BT && "Not a floating point type!"); 819b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner switch (BT->getKind()) { 820b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Not a floating point type!"); 821aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov case BuiltinType::Half: return Target->getHalfFormat(); 822bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor case BuiltinType::Float: return Target->getFloatFormat(); 823bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor case BuiltinType::Double: return Target->getDoubleFormat(); 824bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor case BuiltinType::LongDouble: return Target->getLongDoubleFormat(); 825b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner } 826b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner} 827b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 8288b752f10c394b140f9ef89e049cbad1a7676fc25Ken Dyck/// getDeclAlign - Return a conservative estimate of the alignment of the 829af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// specified decl. Note that bitfields do not have a valid alignment, so 830af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner/// this method will assert on them. 8315d484e8cf710207010720589d89602233de61d01Sebastian Redl/// If @p RefAsPointee, references are treated like their underlying type 8325d484e8cf710207010720589d89602233de61d01Sebastian Redl/// (for alignof), else they're treated like pointers (for CodeGen). 8334ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getDeclAlign(const Decl *D, bool RefAsPointee) const { 834bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor unsigned Align = Target->getCharWidth(); 835dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 8364081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall bool UseAlignAttrOnly = false; 8374081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (unsigned AlignFromAttr = D->getMaxAlignment()) { 8384081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall Align = AlignFromAttr; 8394081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall 8404081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // __attribute__((aligned)) can increase or decrease alignment 8414081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // *except* on a struct or struct member, where it only increases 8424081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // alignment unless 'packed' is also specified. 8434081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // 84482d0b0aab9088e977c2a44c4a5a90479c63149fePeter Collingbourne // It is an error for alignas to decrease alignment, so we can 8454081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall // ignore that possibility; Sema should diagnose it. 8464081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (isa<FieldDecl>(D)) { 8474081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = D->hasAttr<PackedAttr>() || 8484081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 8494081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else { 8504081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall UseAlignAttrOnly = true; 8514081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 8524081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } 85378a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian else if (isa<FieldDecl>(D)) 85478a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian UseAlignAttrOnly = 85578a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian D->hasAttr<PackedAttr>() || 85678a7d7d79964119a3f35b262eb154b5cbf1001edFariborz Jahanian cast<FieldDecl>(D)->getParent()->hasAttr<PackedAttr>(); 857dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 858ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // If we're using the align attribute only, just ignore everything 859ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // else about the declaration and its type. 8604081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall if (UseAlignAttrOnly) { 861ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // do nothing 862ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 8634081a5c5f1381c4ec77f8ab3866693917e4329c4John McCall } else if (const ValueDecl *VD = dyn_cast<ValueDecl>(D)) { 864af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner QualType T = VD->getType(); 8656217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const ReferenceType* RT = T->getAs<ReferenceType>()) { 8665d484e8cf710207010720589d89602233de61d01Sebastian Redl if (RefAsPointee) 8675d484e8cf710207010720589d89602233de61d01Sebastian Redl T = RT->getPointeeType(); 8685d484e8cf710207010720589d89602233de61d01Sebastian Redl else 8695d484e8cf710207010720589d89602233de61d01Sebastian Redl T = getPointerType(RT->getPointeeType()); 8705d484e8cf710207010720589d89602233de61d01Sebastian Redl } 8715d484e8cf710207010720589d89602233de61d01Sebastian Redl if (!T->isIncompleteType() && !T->isFunctionType()) { 8723b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Adjust alignments of declarations with array type by the 8733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // large-array alignment on the target. 874bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor unsigned MinWidth = Target->getLargeArrayMinWidth(); 8753b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const ArrayType *arrayType; 8763b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (MinWidth && (arrayType = getAsArrayType(T))) { 8773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (isa<VariableArrayType>(arrayType)) 878bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = std::max(Align, Target->getLargeArrayAlign()); 8793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall else if (isa<ConstantArrayType>(arrayType) && 8803b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall MinWidth <= getTypeSize(cast<ConstantArrayType>(arrayType))) 881bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = std::max(Align, Target->getLargeArrayAlign()); 8823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 8833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Walk through any array types while we're at it. 8843b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall T = getBaseElementType(arrayType); 8856deecb0d46bcfd048e651d2db7c4fb0d6407da96Rafael Espindola } 8869f1210c3280104417a4ad30f0a00825ac8fa718aChad Rosier Align = std::max(Align, getPreferredTypeAlign(T.getTypePtr())); 887dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman } 888ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 889ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Fields can be subject to extra alignment constraints, like if 890ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the field is packed, the struct is packed, or the struct has a 891ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // a max-field-alignment constraint (#pragma pack). So calculate 892ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // the actual alignment of the field within the struct, and then 893ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // (as we're expected to) constrain that by the alignment of the type. 894ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (const FieldDecl *field = dyn_cast<FieldDecl>(VD)) { 895ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // So calculate the alignment of the field. 896ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall const ASTRecordLayout &layout = getASTRecordLayout(field->getParent()); 897ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 898ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Start with the record's overall alignment. 899dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck unsigned fieldAlign = toBits(layout.getAlignment()); 900ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 901ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Use the GCD of that and the offset within the record. 902ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t offset = layout.getFieldOffset(field->getFieldIndex()); 903ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (offset > 0) { 904ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // Alignment is always a power of 2, so the GCD will be a power of 2, 905ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall // which means we get to do this crazy thing instead of Euclid's. 906ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall uint64_t lowBitOfOffset = offset & (~offset + 1); 907ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall if (lowBitOfOffset < fieldAlign) 908ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall fieldAlign = static_cast<unsigned>(lowBitOfOffset); 909ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall } 910ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall 911ba4f5d5754c8291690d01ca9581926673d69b24cJohn McCall Align = std::min(Align, fieldAlign); 91205f62474dd2b0f1cb69adbe0787f2868788aa949Charles Davis } 913af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner } 914dcdafb6a701aa9d81edcb088915f58933315dc05Eli Friedman 915eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(Align); 916af707ab8fbb9451e8febb8d766f6c043628125c4Chris Lattner} 917b7cfe88e88cb4f46308de89cf3f0c81bfe624128Chris Lattner 918ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 919bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(const Type *T) const { 920ea1471e0e967548c596a71469702f8846dbaf3c0John McCall std::pair<uint64_t, unsigned> Info = getTypeInfo(T); 921eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return std::make_pair(toCharUnitsFromBits(Info.first), 922eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck toCharUnitsFromBits(Info.second)); 923ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 924ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 925ea1471e0e967548c596a71469702f8846dbaf3c0John McCallstd::pair<CharUnits, CharUnits> 926bee5a79fc95e3003d755031e3d2bb4410a71e1c1Ken DyckASTContext::getTypeInfoInChars(QualType T) const { 927ea1471e0e967548c596a71469702f8846dbaf3c0John McCall return getTypeInfoInChars(T.getTypePtr()); 928ea1471e0e967548c596a71469702f8846dbaf3c0John McCall} 929ea1471e0e967548c596a71469702f8846dbaf3c0John McCall 930bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbarstd::pair<uint64_t, unsigned> ASTContext::getTypeInfo(const Type *T) const { 931bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar TypeInfoMap::iterator it = MemoizedTypeInfo.find(T); 932bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar if (it != MemoizedTypeInfo.end()) 933bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar return it->second; 934bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar 935bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar std::pair<uint64_t, unsigned> Info = getTypeInfoImpl(T); 936bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar MemoizedTypeInfo.insert(std::make_pair(T, Info)); 937bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar return Info; 938bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar} 939bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar 940bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar/// getTypeInfoImpl - Return the size of the specified type, in bits. This 941bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar/// method does not work on incomplete types. 9420953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// 9430953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// FIXME: Pointers into different addr spaces could have different sizes and 9440953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// alignment requirements: getPointerInfo should take an AddrSpace, this 9450953e767ff7817f97b3ab20896b229891eeff45bJohn McCall/// should take a QualType, &c. 946d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattnerstd::pair<uint64_t, unsigned> 947bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel DunbarASTContext::getTypeInfoImpl(const Type *T) const { 9485e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump uint64_t Width=0; 9495e301007e31e14c8ff647288e1b8bd8dbf8a5fe4Mike Stump unsigned Align=8; 950a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (T->getTypeClass()) { 95172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 95272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 95318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor#define NON_CANONICAL_TYPE(Class, Base) 95472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 95572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 956d3d49bb27c7ffd9accc0a6c00e887111c0348845John McCall llvm_unreachable("Should not see dependent types"); 95772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 9585d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionNoProto: 9595d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::FunctionProto: 96018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(function) = 32 bits 96118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 96218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 32; 96318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 96418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 96572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 966fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::VariableArray: 96718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 96818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = getTypeAlign(cast<ArrayType>(T)->getElementType()); 96918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 97018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 971fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff case Type::ConstantArray: { 9721d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ConstantArrayType *CAT = cast<ConstantArrayType>(T); 9731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 97498be4943e8dc4f3905629a7102668960873cf863Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(CAT->getElementType()); 975fea966a4103ed9c018d1494b95e9d09b161f5a70Abramo Bagnara uint64_t Size = CAT->getSize().getZExtValue(); 976bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar assert((Size == 0 || EltInfo.first <= (uint64_t)(-1)/Size) && 977bc5419a2edc4030d1a623576fe339fbd3eed17a6Daniel Dunbar "Overflow in array type bit size evaluation"); 978fea966a4103ed9c018d1494b95e9d09b161f5a70Abramo Bagnara Width = EltInfo.first*Size; 979030d8846c7e520330007087e949f621989876e3aChris Lattner Align = EltInfo.second; 980cd88b4171753dcb2bc0a21d78f1597c796bb8a20Argyrios Kyrtzidis Width = llvm::RoundUpToAlignment(Width, Align); 981030d8846c7e520330007087e949f621989876e3aChris Lattner break; 9825c09a02a5db85e08a432b6eeced9aa656349710dChristopher Lamb } 983213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman case Type::ExtVector: 984030d8846c7e520330007087e949f621989876e3aChris Lattner case Type::Vector: { 9859fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner const VectorType *VT = cast<VectorType>(T); 9869fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner std::pair<uint64_t, unsigned> EltInfo = getTypeInfo(VT->getElementType()); 9879fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = EltInfo.first*VT->getNumElements(); 9884bd998bbc228915d2b9cae5b67879de48940d05eEli Friedman Align = Width; 9896fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // If the alignment is not a power of 2, round up to the next power of 2. 9906fe7c8aa8c7546743ecd0ac0138c2cf5d8155386Nate Begeman // This happens for non-power-of-2 length vectors. 9918eefcd353c1d06a10104f69e5079ebab3183f9a3Dan Gohman if (Align & (Align-1)) { 9929fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Align = llvm::NextPowerOf2(Align); 9939fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner Width = llvm::RoundUpToAlignment(Width, Align); 9949fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner } 995030d8846c7e520330007087e949f621989876e3aChris Lattner break; 996030d8846c7e520330007087e949f621989876e3aChris Lattner } 9975d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner 9989e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner case Type::Builtin: 999a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 1000b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Unknown builtin type!"); 1001d2d2a11a91d7ddf468bfb70f66362d24806ed601Chris Lattner case BuiltinType::Void: 100218857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor // GCC extension: alignof(void) = 8 bits. 100318857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Width = 0; 100418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor Align = 8; 100518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor break; 100618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 10076f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Bool: 1008bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getBoolWidth(); 1009bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getBoolAlign(); 10106f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 1011692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_S: 1012692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::Char_U: 1013692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UChar: 10146f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::SChar: 1015bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getCharWidth(); 1016bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getCharAlign(); 10176f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 10183f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 10193f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 1020bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getWCharWidth(); 1021bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getWCharAlign(); 102264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis break; 1023f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char16: 1024bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getChar16Width(); 1025bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getChar16Align(); 1026f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 1027f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith case BuiltinType::Char32: 1028bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getChar32Width(); 1029bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getChar32Align(); 1030f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith break; 1031692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UShort: 10326f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Short: 1033bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getShortWidth(); 1034bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getShortAlign(); 10356f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 1036692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::UInt: 10376f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Int: 1038bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getIntWidth(); 1039bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getIntAlign(); 10406f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 1041692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULong: 10426f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Long: 1043bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getLongWidth(); 1044bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getLongAlign(); 10456f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 1046692233e90a99c3a81dd04879d36eb9688f137c44Chris Lattner case BuiltinType::ULongLong: 10476f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongLong: 1048bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getLongLongWidth(); 1049bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getLongLongAlign(); 10506f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 1051ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::Int128: 1052ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner case BuiltinType::UInt128: 1053ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Width = 128; 1054ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner Align = 128; // int128_t is 128-bit aligned on all targets. 1055ec16cb9b5a481d62a73ad47fa59034ced4d62022Chris Lattner break; 1056aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov case BuiltinType::Half: 1057aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov Width = Target->getHalfWidth(); 1058aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov Align = Target->getHalfAlign(); 1059aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov break; 10606f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Float: 1061bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getFloatWidth(); 1062bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getFloatAlign(); 10636f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 10646f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::Double: 1065bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getDoubleWidth(); 1066bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getDoubleAlign(); 10676f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 10686f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner case BuiltinType::LongDouble: 1069bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getLongDoubleWidth(); 1070bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getLongDoubleAlign(); 10716f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 10726e8ed16ffef02b82995a90bdcf10ffff7d63839aSebastian Redl case BuiltinType::NullPtr: 1073bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(0); // C++ 3.9.1p11: sizeof(nullptr_t) 1074bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(0); // == sizeof(void*) 10751590d9c0fec4c710c2962e4bb71f76979b5163d3Sebastian Redl break; 1076e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCId: 1077e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCClass: 1078e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian case BuiltinType::ObjCSel: 1079bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(0); 1080bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(0); 1081e04f5fc25cf49e8a5b836459d836c20dc3229a95Fariborz Jahanian break; 1082a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 1083bfef6d7c67831a135d6ab79931f010f750a730adChris Lattner break; 1084d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff case Type::ObjCObjectPointer: 1085bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(0); 1086bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(0); 10876f62c2abd8077bf70d2166d37e8caa426b34d8e4Chris Lattner break; 1088485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff case Type::BlockPointer: { 1089207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 1090207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<BlockPointerType>(T)->getPointeeType()); 1091bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(AS); 1092bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(AS); 1093485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff break; 1094485eeff9ba73376c8e01179bf1a501b1723446cbSteve Naroff } 10955d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::LValueReference: 10965d484e8cf710207010720589d89602233de61d01Sebastian Redl case Type::RValueReference: { 10975d484e8cf710207010720589d89602233de61d01Sebastian Redl // alignof and sizeof should never enter this code path here, so we go 10985d484e8cf710207010720589d89602233de61d01Sebastian Redl // the pointer route. 1099207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace( 1100207f4d8543529221932af82836016a2ef066c917Peter Collingbourne cast<ReferenceType>(T)->getPointeeType()); 1101bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(AS); 1102bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(AS); 11035d484e8cf710207010720589d89602233de61d01Sebastian Redl break; 11045d484e8cf710207010720589d89602233de61d01Sebastian Redl } 1105f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner case Type::Pointer: { 1106207f4d8543529221932af82836016a2ef066c917Peter Collingbourne unsigned AS = getTargetAddressSpace(cast<PointerType>(T)->getPointeeType()); 1107bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Width = Target->getPointerWidth(AS); 1108bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor Align = Target->getPointerAlign(AS); 1109f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner break; 1110f72a44330b9d9a4b2d93e9b91cfb8ab7bd4a0643Chris Lattner } 1111f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl case Type::MemberPointer: { 1112071cc7deffad608165b1ddd5263e8bf181861520Charles Davis const MemberPointerType *MPT = cast<MemberPointerType>(T); 11131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> PtrDiffInfo = 11141cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson getTypeInfo(getPointerDiffType()); 1115071cc7deffad608165b1ddd5263e8bf181861520Charles Davis Width = PtrDiffInfo.first * ABI->getMemberPointerSize(MPT); 11161cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson Align = PtrDiffInfo.second; 11171cca74ef3627a3a0ab14501d23e336548f6611b2Anders Carlsson break; 1118f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 11195d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner case Type::Complex: { 11205d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // Complex types have the same alignment as their elements, but twice the 11215d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner // size. 11221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump std::pair<uint64_t, unsigned> EltInfo = 112398be4943e8dc4f3905629a7102668960873cf863Chris Lattner getTypeInfo(cast<ComplexType>(T)->getElementType()); 11249e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner Width = EltInfo.first*2; 11255d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner Align = EltInfo.second; 11265d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner break; 11275d2a6303467184b1f159bb6556efc434e50e3c28Chris Lattner } 1128c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: 1129c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return getTypeInfo(cast<ObjCObjectType>(T)->getBaseType().getTypePtr()); 113044a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel case Type::ObjCInterface: { 11311d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const ObjCInterfaceType *ObjCI = cast<ObjCInterfaceType>(T); 113244a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel const ASTRecordLayout &Layout = getASTObjCInterfaceLayout(ObjCI->getDecl()); 1133dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 1134dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 113544a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel break; 113644a3dded8080c5c9cfdad208ade8f8f7850d9a4fDevang Patel } 113772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 113872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: { 11391d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const TagType *TT = cast<TagType>(T); 11401d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar 11411d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (TT->getDecl()->isInvalidDecl()) { 114222ce41d9fc8509da65858c75bf5b3c4dae2d8c04Douglas Gregor Width = 8; 114322ce41d9fc8509da65858c75bf5b3c4dae2d8c04Douglas Gregor Align = 8; 11448389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner break; 11458389eab190afef3462f6418b8d8fb70fb01c4005Chris Lattner } 11461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 11471d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar if (const EnumType *ET = dyn_cast<EnumType>(TT)) 11487176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner return getTypeInfo(ET->getDecl()->getIntegerType()); 11497176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner 11501d75118af76cae2bfc06389cde410e14bd0a19fcDaniel Dunbar const RecordType *RT = cast<RecordType>(TT); 11517176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner const ASTRecordLayout &Layout = getASTRecordLayout(RT->getDecl()); 1152dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck Width = toBits(Layout.getSize()); 1153dac54c124e302d6f028ea5723c425b7f66fc7c71Ken Dyck Align = toBits(Layout.getAlignment()); 1154dc0d73e6495404418acf8548875aeaff07791a74Chris Lattner break; 1155a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner } 11567532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 11579fcfe926432f3c3f7e9a61219e55c352fd358e45Chris Lattner case Type::SubstTemplateTypeParm: 115849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return getTypeInfo(cast<SubstTemplateTypeParmType>(T)-> 115949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall getReplacementType().getTypePtr()); 116049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 116134b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: { 116234b41d939a1328f484511c6002ba2456db879a29Richard Smith const AutoType *A = cast<AutoType>(T); 116334b41d939a1328f484511c6002ba2456db879a29Richard Smith assert(A->isDeduced() && "Cannot request the size of a dependent type"); 1164dc856aff4428380baa9afb5577ea04f8fb6beb13Matt Beaumont-Gay return getTypeInfo(A->getDeducedType().getTypePtr()); 116534b41d939a1328f484511c6002ba2456db879a29Richard Smith } 116634b41d939a1328f484511c6002ba2456db879a29Richard Smith 1167075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara case Type::Paren: 1168075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return getTypeInfo(cast<ParenType>(T)->getInnerType().getTypePtr()); 1169075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 117018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::Typedef: { 1171162e1c1b487352434552147967c3dd296ebee2f7Richard Smith const TypedefNameDecl *Typedef = cast<TypedefType>(T)->getDecl(); 1172df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor std::pair<uint64_t, unsigned> Info 1173df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor = getTypeInfo(Typedef->getUnderlyingType().getTypePtr()); 1174c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // If the typedef has an aligned attribute on it, it overrides any computed 1175c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // alignment we have. This violates the GCC documentation (which says that 1176c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner // attribute(aligned) can only round up) but matches its implementation. 1177c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner if (unsigned AttrAlign = Typedef->getMaxAlignment()) 1178c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = AttrAlign; 1179c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner else 1180c1de52de64725945e5ae87e6f99ddedf161856e5Chris Lattner Align = Info.second; 1181df1367af26cb2959775e9511108f12dcd2370a27Douglas Gregor Width = Info.first; 11827532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor break; 11837176331b0f5cfaaa2b5aa487a6660e859e371119Chris Lattner } 118418857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 118518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOfExpr: 118618857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfExprType>(T)->getUnderlyingExpr()->getType() 118718857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor .getTypePtr()); 118818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 118918857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor case Type::TypeOf: 119018857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor return getTypeInfo(cast<TypeOfType>(T)->getUnderlyingType().getTypePtr()); 119118857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor 1192395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson case Type::Decltype: 1193395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return getTypeInfo(cast<DecltypeType>(T)->getUnderlyingExpr()->getType() 1194395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson .getTypePtr()); 1195395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 1196ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case Type::UnaryTransform: 1197ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return getTypeInfo(cast<UnaryTransformType>(T)->getUnderlyingType()); 1198ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 1199465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara case Type::Elaborated: 1200465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara return getTypeInfo(cast<ElaboratedType>(T)->getNamedType().getTypePtr()); 12011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12029d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall case Type::Attributed: 12039d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return getTypeInfo( 12049d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall cast<AttributedType>(T)->getEquivalentType().getTypePtr()); 12059d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 12063e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith case Type::TemplateSpecialization: { 12071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(getCanonicalType(T) != T && 120818857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor "Cannot request the size of a dependent type"); 12093e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith const TemplateSpecializationType *TST = cast<TemplateSpecializationType>(T); 12103e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // A type alias template specialization may refer to a typedef with the 12113e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith // aligned attribute on it. 12123e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (TST->isTypeAlias()) 12133e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return getTypeInfo(TST->getAliasedType().getTypePtr()); 12143e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else 12153e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith return getTypeInfo(getCanonicalType(T)); 12163e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 12173e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 1218b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman case Type::Atomic: { 12192be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman std::pair<uint64_t, unsigned> Info 12202be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman = getTypeInfo(cast<AtomicType>(T)->getValueType()); 12212be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman Width = Info.first; 12222be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman Align = Info.second; 12232be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman if (Width != 0 && Width <= Target->getMaxAtomicPromoteWidth() && 12242be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman llvm::isPowerOf2_64(Width)) { 12252be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // We can potentially perform lock-free atomic operations for this 12262be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // type; promote the alignment appropriately. 12272be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // FIXME: We could potentially promote the width here as well... 12282be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // is that worthwhile? (Non-struct atomic types generally have 12292be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // power-of-two size anyway, but structs might not. Requires a bit 12302be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman // of implementation work to make sure we zero out the extra bits.) 12312be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman Align = static_cast<unsigned>(Width); 12322be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman } 1233b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 1234b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 123518857644059c45da6776f1a288eec7b4cf3a844aDouglas Gregor } 12361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 12372be460723940f8184ec36529b6f6ddf59c04e411Eli Friedman assert(llvm::isPowerOf2_32(Align) && "Alignment must be power of 2"); 12389e9b6dc3fd413f5341fab54b681420eeb21cd169Chris Lattner return std::make_pair(Width, Align); 1239a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner} 1240a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1241eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck/// toCharUnitsFromBits - Convert a size in bits to a size in characters. 1242eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen DyckCharUnits ASTContext::toCharUnitsFromBits(int64_t BitSize) const { 1243eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return CharUnits::fromQuantity(BitSize / getCharWidth()); 1244eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck} 1245eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck 1246dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck/// toBits - Convert a size in characters to a size in characters. 1247dd76a9ab9ea675671200f94b18ce95766841952bKen Dyckint64_t ASTContext::toBits(CharUnits CharSize) const { 1248dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck return CharSize.getQuantity() * getCharWidth(); 1249dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck} 1250dd76a9ab9ea675671200f94b18ce95766841952bKen Dyck 1251bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// getTypeSizeInChars - Return the size of the specified type, in characters. 1252bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck/// This method does not work on incomplete types. 12534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(QualType T) const { 1254eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 1255bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 12564ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeSizeInChars(const Type *T) const { 1257eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeSize(T)); 1258bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck} 1259bdc601b196c48d4cd56a5ceb45d41ae4e87371abKen Dyck 126016e20cce43385001f33f8e3f90ee345609c805d1Ken Dyck/// getTypeAlignInChars - Return the ABI-specified alignment of a type, in 126186fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck/// characters. This method does not work on incomplete types. 12624ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(QualType T) const { 1263eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 126486fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 12654ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getTypeAlignInChars(const Type *T) const { 1266eb6f5dc86531f794ba7746a2da4d28e37cf5da7eKen Dyck return toCharUnitsFromBits(getTypeAlign(T)); 126786fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck} 126886fa4311c8a330957ff5b765fbb0a7750ecd38c9Ken Dyck 126934ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// getPreferredTypeAlign - Return the "preferred" alignment of the specified 127034ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// type for the current target in bits. This can be different than the ABI 127134ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// alignment in cases where it is beneficial for performance to overalign 127234ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner/// a data type. 12734ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getPreferredTypeAlign(const Type *T) const { 127434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner unsigned ABIAlign = getTypeAlign(T); 12751eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 12761eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman // Double and long long should be naturally aligned if possible. 1277183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType* CT = T->getAs<ComplexType>()) 12781eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman T = CT->getElementType().getTypePtr(); 12791eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman if (T->isSpecificBuiltinType(BuiltinType::Double) || 1280cde7a1dc68af2eb063a039b5a31c3b7dd92b1aa9Chad Rosier T->isSpecificBuiltinType(BuiltinType::LongLong) || 1281cde7a1dc68af2eb063a039b5a31c3b7dd92b1aa9Chad Rosier T->isSpecificBuiltinType(BuiltinType::ULongLong)) 12821eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman return std::max(ABIAlign, (unsigned)getTypeSize(T)); 12831eed60297ef4701b899c6a3b9680bf08f3403422Eli Friedman 128434ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner return ABIAlign; 128534ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner} 128634ebde404dc17d89487b07e6daaf1b47d5dfee39Chris Lattner 12872c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// DeepCollectObjCIvars - 12882c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// This routine first collects all declared, but not synthesized, ivars in 12892c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// super class and then collects all ivars, including those synthesized for 12902c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// current class. This routine is used for implementation of current class 12912c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian/// when all ivars, declared and synthesized are known. 12929820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian/// 12932c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanianvoid ASTContext::DeepCollectObjCIvars(const ObjCInterfaceDecl *OI, 12942c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian bool leafClass, 1295db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose SmallVectorImpl<const ObjCIvarDecl*> &Ivars) const { 12962c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (const ObjCInterfaceDecl *SuperClass = OI->getSuperClass()) 12972c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(SuperClass, false, Ivars); 12982c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (!leafClass) { 12992c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (ObjCInterfaceDecl::ivar_iterator I = OI->ivar_begin(), 13002c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian E = OI->ivar_end(); I != E; ++I) 1301581deb3da481053c4993c7600f97acf7768caac5David Blaikie Ivars.push_back(*I); 13023060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 1303bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian ObjCInterfaceDecl *IDecl = const_cast<ObjCInterfaceDecl *>(OI); 1304db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose for (const ObjCIvarDecl *Iv = IDecl->all_declared_ivar_begin(); Iv; 1305bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian Iv= Iv->getNextIvar()) 1306bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian Ivars.push_back(Iv); 1307bf9eb88792e022e54a658657bf22e1925948e384Fariborz Jahanian } 13089820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian} 13099820074dd47d37681085e964cd3392ac0b3e67b9Fariborz Jahanian 1310e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// CollectInheritedProtocols - Collect all protocols in current class and 1311e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// those inherited by it. 1312e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid ASTContext::CollectInheritedProtocols(const Decl *CDecl, 1313432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl*, 8> &Protocols) { 1314e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (const ObjCInterfaceDecl *OI = dyn_cast<ObjCInterfaceDecl>(CDecl)) { 131553b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // We can use protocol_iterator here instead of 131653b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek // all_referenced_protocol_iterator since we are walking all categories. 131753b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCInterfaceDecl::all_protocol_iterator P = OI->all_referenced_protocol_begin(), 131853b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek PE = OI->all_referenced_protocol_end(); P != PE; ++P) { 1319e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 13203fc73ee0c613715ebce78e30b4d050ea715a007dDouglas Gregor Protocols.insert(Proto->getCanonicalDecl()); 1321e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1322b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) { 13233fc73ee0c613715ebce78e30b4d050ea715a007dDouglas Gregor Protocols.insert((*P)->getCanonicalDecl()); 1324e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1325e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1326b2f812165676230bce5d0215e49a4749c451ca9cFariborz Jahanian } 1327e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 1328e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian // Categories of this Interface. 1329e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (const ObjCCategoryDecl *CDeclChain = OI->getCategoryList(); 1330e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CDeclChain; CDeclChain = CDeclChain->getNextClassCategory()) 1331e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(CDeclChain, Protocols); 1332e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (ObjCInterfaceDecl *SD = OI->getSuperClass()) 1333e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian while (SD) { 1334e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(SD, Protocols); 1335e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian SD = SD->getSuperClass(); 1336e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1337b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCCategoryDecl *OC = dyn_cast<ObjCCategoryDecl>(CDecl)) { 133853b9441b5a81a24fa1f66f3f6416f1e36baa9c2fTed Kremenek for (ObjCCategoryDecl::protocol_iterator P = OC->protocol_begin(), 1339e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OC->protocol_end(); P != PE; ++P) { 1340e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 13413fc73ee0c613715ebce78e30b4d050ea715a007dDouglas Gregor Protocols.insert(Proto->getCanonicalDecl()); 1342e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1343e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1344e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1345e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1346b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer } else if (const ObjCProtocolDecl *OP = dyn_cast<ObjCProtocolDecl>(CDecl)) { 1347e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = OP->protocol_begin(), 1348e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = OP->protocol_end(); P != PE; ++P) { 1349e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian ObjCProtocolDecl *Proto = (*P); 13503fc73ee0c613715ebce78e30b4d050ea715a007dDouglas Gregor Protocols.insert(Proto->getCanonicalDecl()); 1351e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (ObjCProtocolDecl::protocol_iterator P = Proto->protocol_begin(), 1352e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian PE = Proto->protocol_end(); P != PE; ++P) 1353e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian CollectInheritedProtocols(*P, Protocols); 1354e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1355e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 1356e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 1357e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 13584ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::CountNonClassIvars(const ObjCInterfaceDecl *OI) const { 13593bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian unsigned count = 0; 13603bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivars declared in class extension. 136180aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian for (const ObjCCategoryDecl *CDecl = OI->getFirstClassExtension(); CDecl; 136280aa1cd7973561889e51c1c152c8990a8de9c953Fariborz Jahanian CDecl = CDecl->getNextClassExtension()) 1363b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += CDecl->ivar_size(); 1364b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 13653bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // Count ivar defined in this class's implementation. This 13663bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian // includes synthesized ivars. 13673bfacdf6f0706987c1b33c625cd68fb880881c22Fariborz Jahanian if (ObjCImplementationDecl *ImplDecl = OI->getImplementation()) 1368b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer count += ImplDecl->ivar_size(); 1369b170ca5f4a8397c10e52050ff5df6885a3e6eca9Benjamin Kramer 13708e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian return count; 13718e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian} 13728e6ac1d80055fa37b9b84029c7e751624ba7f84cFariborz Jahanian 13738deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidisbool ASTContext::isSentinelNullExpr(const Expr *E) { 13748deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis if (!E) 13758deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis return false; 13768deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis 13778deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis // nullptr_t is always treated as null. 13788deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis if (E->getType()->isNullPtrType()) return true; 13798deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis 13808deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis if (E->getType()->isAnyPointerType() && 13818deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis E->IgnoreParenCasts()->isNullPointerConstant(*this, 13828deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis Expr::NPC_ValueDependentIsNull)) 13838deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis return true; 13848deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis 13858deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis // Unfortunately, __null has type 'int'. 13868deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis if (isa<GNUNullExpr>(E)) return true; 13878deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis 13888deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis return false; 13898deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis} 13908deabc133c121f6c5561d0b2171a41cb2c29b2ceArgyrios Kyrtzidis 13918a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCInterfaceDecl,or NULL if none exists. 13928a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCImplementationDecl *ASTContext::getObjCImplementation(ObjCInterfaceDecl *D) { 13938a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 13948a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 13958a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 13968a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCImplementationDecl>(I->second); 13978a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 13988a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 13998a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Get the implementation of ObjCCategoryDecl, or NULL if none exists. 14008a1d722f13df383600f36d77f842957c8adb5f1bArgyrios KyrtzidisObjCCategoryImplDecl *ASTContext::getObjCImplementation(ObjCCategoryDecl *D) { 14018a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis llvm::DenseMap<ObjCContainerDecl*, ObjCImplDecl*>::iterator 14028a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis I = ObjCImpls.find(D); 14038a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis if (I != ObjCImpls.end()) 14048a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return cast<ObjCCategoryImplDecl>(I->second); 14058a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis return 0; 14068a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 14078a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 14088a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCInterfaceDecl. 14098a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCInterfaceDecl *IFaceD, 14108a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImplementationDecl *ImplD) { 14118a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(IFaceD && ImplD && "Passed null params"); 14128a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[IFaceD] = ImplD; 14138a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 14148a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis/// \brief Set the implementation of ObjCCategoryDecl. 14158a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidisvoid ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD, 14168a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCCategoryImplDecl *ImplD) { 14178a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis assert(CatD && ImplD && "Passed null params"); 14188a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis ObjCImpls[CatD] = ImplD; 14198a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis} 14208a1d722f13df383600f36d77f842957c8adb5f1bArgyrios Kyrtzidis 142187ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios KyrtzidisObjCInterfaceDecl *ASTContext::getObjContainingInterface(NamedDecl *ND) const { 142287ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis if (ObjCInterfaceDecl *ID = dyn_cast<ObjCInterfaceDecl>(ND->getDeclContext())) 142387ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis return ID; 142487ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis if (ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(ND->getDeclContext())) 142587ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis return CD->getClassInterface(); 142687ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis if (ObjCImplDecl *IMD = dyn_cast<ObjCImplDecl>(ND->getDeclContext())) 142787ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis return IMD->getClassInterface(); 142887ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis 142987ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis return 0; 143087ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis} 143187ec9c257c99b4136af6c7f5be5a2d486906ba84Argyrios Kyrtzidis 14321ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Get the copy initialization expression of VarDecl,or NULL if 14331ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// none exists. 1434830937bc1100fba7682f7c32c40512085870f50cFariborz JahanianExpr *ASTContext::getBlockVarCopyInits(const VarDecl*VD) { 1435d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD && "Passed null params"); 1436d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1437d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "getBlockVarCopyInits - not __block var"); 1438830937bc1100fba7682f7c32c40512085870f50cFariborz Jahanian llvm::DenseMap<const VarDecl*, Expr*>::iterator 1439d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian I = BlockVarCopyInits.find(VD); 14401ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian return (I != BlockVarCopyInits.end()) ? cast<Expr>(I->second) : 0; 14411ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 14421ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 14431ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian/// \brief Set the copy inialization expression of a block var decl. 14441ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanianvoid ASTContext::setBlockVarCopyInits(VarDecl*VD, Expr* Init) { 14451ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian assert(VD && Init && "Passed null params"); 1446d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian assert(VD->hasAttr<BlocksAttr>() && 1447d016ec204c54d766c4561d43548551ffde0e6b43Fariborz Jahanian "setBlockVarCopyInits - not __block var"); 14481ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian BlockVarCopyInits[VD] = Init; 14491ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian} 14501ceee5c42d5c410217f67d384eecc6ea4a2bba9bFariborz Jahanian 1451a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::CreateTypeSourceInfo(QualType T, 14524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned DataSize) const { 1453109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall if (!DataSize) 1454109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall DataSize = TypeLoc::getFullDataSizeForType(T); 1455109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall else 1456109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall assert(DataSize == TypeLoc::getFullDataSizeForType(T) && 1457a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall "incorrect data size provided to CreateTypeSourceInfo!"); 1458109de5ead1dfcb3bc985cddb8cb3ed5bcecad88dJohn McCall 1459a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *TInfo = 1460a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall (TypeSourceInfo*)BumpAlloc.Allocate(sizeof(TypeSourceInfo) + DataSize, 8); 1461a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall new (TInfo) TypeSourceInfo(T); 1462a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return TInfo; 1463b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 1464b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis 1465a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeSourceInfo *ASTContext::getTrivialTypeSourceInfo(QualType T, 14666952f1e4256c5b43aee5e98cea4e9b663bd1d413Douglas Gregor SourceLocation L) const { 1467a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(T); 1468c21c7e9c2cded68f91be15be6847c9649242dc17Douglas Gregor DI->getTypeLoc().initialize(const_cast<ASTContext &>(*this), L); 1469a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall return DI; 1470a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall} 1471a4eb74d4dfe126c686dc708fec444c85ffb73b47John McCall 1472b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 14734ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCInterfaceLayout(const ObjCInterfaceDecl *D) const { 1474b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D, 0); 1475b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1476b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1477b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbarconst ASTRecordLayout & 14784ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getASTObjCImplementationLayout( 14794ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const ObjCImplementationDecl *D) const { 1480b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar return getObjCLayout(D->getClassInterface(), D); 1481b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar} 1482b2dbbb99e12806eaaf53b7ccabc32f42b5719443Daniel Dunbar 1483a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1484a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner// Type creation/memoization methods 1485a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner//===----------------------------------------------------------------------===// 1486a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 14874ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 14883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallASTContext::getExtQualType(const Type *baseType, Qualifiers quals) const { 14893b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned fastQuals = quals.getFastQualifiers(); 14903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall quals.removeFastQualifiers(); 14910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 14920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Check if we've already instantiated this type. 14930953e767ff7817f97b3ab20896b229891eeff45bJohn McCall llvm::FoldingSetNodeID ID; 14943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals::Profile(ID, baseType, quals); 14953b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 14963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ExtQuals *eq = ExtQualNodes.FindNodeOrInsertPos(ID, insertPos)) { 14973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(eq->getQualifiers() == quals); 14983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 14990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 15000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 15013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the base type is not canonical, make the appropriate canonical type. 15023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 15033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!baseType->isCanonicalUnqualified()) { 15043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = baseType->getCanonicalTypeInternal().split(); 1505200fa53fd420aa8369586f569dbece04930ad6a3John McCall canonSplit.Quals.addConsistentQualifiers(quals); 1506200fa53fd420aa8369586f569dbece04930ad6a3John McCall canon = getExtQualType(canonSplit.Ty, canonSplit.Quals); 15073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 15083b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Re-find the insert position. 15093b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall (void) ExtQualNodes.FindNodeOrInsertPos(ID, insertPos); 15103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 15113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 15123b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQuals *eq = new (*this, TypeAlignment) ExtQuals(baseType, canon, quals); 15133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ExtQualNodes.InsertNode(eq, insertPos); 15143b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(eq, fastQuals); 15150953e767ff7817f97b3ab20896b229891eeff45bJohn McCall} 15160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 15174ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 15184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getAddrSpaceQualType(QualType T, unsigned AddressSpace) const { 1519f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType CanT = getCanonicalType(T); 1520f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner if (CanT.getAddressSpace() == AddressSpace) 1521f46699ce225811d8d9dbab9d00189a0e54469457Chris Lattner return T; 1522b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner 15230953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 15240953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 15250953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 15260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 15271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15280953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an address space specified, it cannot get 15290953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 15300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasAddressSpace() && 15310953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot be in multiple addr spaces!"); 15320953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addAddressSpace(AddressSpace); 15331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15340953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1535ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb} 1536ebb97e98c03f8d7034bd3748a10e35f39a95c289Christopher Lamb 1537b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris LattnerQualType ASTContext::getObjCGCQualType(QualType T, 15384ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Qualifiers::GC GCAttr) const { 1539d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian QualType CanT = getCanonicalType(T); 1540b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner if (CanT.getObjCGCAttr() == GCAttr) 1541d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian return T; 15421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15437f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall if (const PointerType *ptr = T->getAs<PointerType>()) { 15447f040a9d817cd1c72b565e92abff473510bf9e1dJohn McCall QualType Pointee = ptr->getPointeeType(); 154558f9f2c884af6b72d036b746a016d8031d31cb7aSteve Naroff if (Pointee->isAnyPointerType()) { 15464027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian QualType ResultType = getObjCGCQualType(Pointee, GCAttr); 15474027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian return getPointerType(ResultType); 15484027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 15494027cd1b924e29784a49085b1717f35cdd719146Fariborz Jahanian } 15501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15510953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If we are composing extended qualifiers together, merge together 15520953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // into one ExtQuals node. 15530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall QualifierCollector Quals; 15540953e767ff7817f97b3ab20896b229891eeff45bJohn McCall const Type *TypeNode = Quals.strip(T); 15551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15560953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If this type already has an ObjCGC specified, it cannot get 15570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // another one. 15580953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert(!Quals.hasObjCGCAttr() && 15590953e767ff7817f97b3ab20896b229891eeff45bJohn McCall "Type cannot have multiple ObjCGCs!"); 15600953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Quals.addObjCGCAttr(GCAttr); 15611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15620953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getExtQualType(TypeNode, Quals); 1563d33d9c0cc0cfdcd0b10f35a6acdfb25da4a64f19Fariborz Jahanian} 1564a7674d8a9a69f3f6fe16e70cf2a3b2b15fb7c43dChris Lattner 1565e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCallconst FunctionType *ASTContext::adjustFunctionType(const FunctionType *T, 1566e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionType::ExtInfo Info) { 1567e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (T->getExtInfo() == Info) 1568e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return T; 1569e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1570e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall QualType Result; 1571e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall if (const FunctionNoProtoType *FNPT = dyn_cast<FunctionNoProtoType>(T)) { 1572e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionNoProtoType(FNPT->getResultType(), Info); 1573e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } else { 1574e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall const FunctionProtoType *FPT = cast<FunctionProtoType>(T); 1575e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 1576e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall EPI.ExtInfo = Info; 1577e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall Result = getFunctionType(FPT->getResultType(), FPT->arg_type_begin(), 1578e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall FPT->getNumArgs(), EPI); 1579e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall } 1580e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 1581e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall return cast<FunctionType>(Result.getTypePtr()); 1582e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall} 1583e6a365d772a6b455f1e23ac9ae5f40d65a55a18cJohn McCall 15845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getComplexType - Return the uniqued reference to the type for a complex 15855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// number with the specified element type. 15864ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getComplexType(QualType T) const { 15875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 15885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 15895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 15905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType::Profile(ID, T); 15911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 15935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (ComplexType *CT = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos)) 15945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(CT, 0); 15951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 15975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 15985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1599467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1600f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getComplexType(getCanonicalType(T)); 16011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 16035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexType *NewIP = ComplexTypes.FindNodeOrInsertPos(ID, InsertPos); 1604c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 16055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16066b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ComplexType *New = new (*this, TypeAlignment) ComplexType(T, Canonical); 16075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 16085f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer ComplexTypes.InsertNode(New, InsertPos); 16095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 16105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getPointerType - Return the uniqued reference to the type for a pointer to 16135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// the specified type. 16144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPointerType(QualType T) const { 16155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 16165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 16175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 16185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType::Profile(ID, T); 16191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 16215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (PointerType *PT = PointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 16225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(PT, 0); 16231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the pointee type isn't canonical, this won't be a canonical type either, 16255f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 16265f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 1627467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 1628f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getPointerType(getCanonicalType(T)); 16291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 16315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerType *NewIP = PointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1632c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 16335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 16346b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall PointerType *New = new (*this, TypeAlignment) PointerType(T, Canonical); 16355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 16365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer PointerTypes.InsertNode(New, InsertPos); 16375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 16385f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getBlockPointerType - Return the uniqued reference to the type for 16415618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff/// a pointer to the specified block. 16424ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockPointerType(QualType T) const { 1643296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff assert(T->isFunctionType() && "block of function types only"); 1644296e8d5fdcf9946f51e866adc8d281379e51efe9Steve Naroff // Unique pointers, to guarantee there is only one block of a particular 16455618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // structure. 16465618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff llvm::FoldingSetNodeID ID; 16475618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType::Profile(ID, T); 16481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16495618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff void *InsertPos = 0; 16505618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff if (BlockPointerType *PT = 16515618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 16525618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(PT, 0); 16531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the block pointee type isn't canonical, this won't be a canonical 16555618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // type either so fill in the canonical type field. 16565618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff QualType Canonical; 1657467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!T.isCanonical()) { 16585618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Canonical = getBlockPointerType(getCanonicalType(T)); 16591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16605618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff // Get the new insert position for the node we care about. 16615618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerType *NewIP = 16625618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1663c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 16645618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff } 16656b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall BlockPointerType *New 16666b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) BlockPointerType(T, Canonical); 16675618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff Types.push_back(New); 16685618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff BlockPointerTypes.InsertNode(New, InsertPos); 16695618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff return QualType(New, 0); 16705618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff} 16715618bd4a52c45fbbb605e3ba885663b2164db8a3Steve Naroff 16727c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getLValueReferenceType - Return the uniqued reference to the type for an 16737c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// lvalue reference to the specified type. 16744ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 16754ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getLValueReferenceType(QualType T, bool SpelledAsLValue) const { 16769625e44c0252485277a340746ed8ac950686156fDouglas Gregor assert(getCanonicalType(T) != OverloadTy && 16779625e44c0252485277a340746ed8ac950686156fDouglas Gregor "Unresolved overloaded function type"); 16789625e44c0252485277a340746ed8ac950686156fDouglas Gregor 16795f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique pointers, to guarantee there is only one pointer of a particular 16805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 16815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 168254e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, SpelledAsLValue); 16835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 16845f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 16857c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (LValueReferenceType *RT = 16867c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 16875f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(RT, 0); 16887c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 168954e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 169054e14c4db764c0636160d26c5bbf491637c83a76John McCall 16915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the referencee type isn't canonical, this won't be a canonical type 16925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // either, so fill in the canonical type field. 16935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 169454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!SpelledAsLValue || InnerRef || !T.isCanonical()) { 169554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 169654e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getLValueReferenceType(getCanonicalType(PointeeType)); 16977c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 16987c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Get the new insert position for the node we care about. 16997c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceType *NewIP = 17007c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1701c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 17027c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl } 17037c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 17046b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall LValueReferenceType *New 170554e14c4db764c0636160d26c5bbf491637c83a76John McCall = new (*this, TypeAlignment) LValueReferenceType(T, Canonical, 170654e14c4db764c0636160d26c5bbf491637c83a76John McCall SpelledAsLValue); 17077c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl Types.push_back(New); 17087c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl LValueReferenceTypes.InsertNode(New, InsertPos); 170954e14c4db764c0636160d26c5bbf491637c83a76John McCall 17107c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(New, 0); 17117c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl} 17127c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 17137c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// getRValueReferenceType - Return the uniqued reference to the type for an 17147c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl/// rvalue reference to the specified type. 17154ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRValueReferenceType(QualType T) const { 17167c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 17177c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // structure. 17187c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl llvm::FoldingSetNodeID ID; 171954e14c4db764c0636160d26c5bbf491637c83a76John McCall ReferenceType::Profile(ID, T, false); 17207c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 17217c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl void *InsertPos = 0; 17227c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl if (RValueReferenceType *RT = 17237c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos)) 17247c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl return QualType(RT, 0); 17257c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 172654e14c4db764c0636160d26c5bbf491637c83a76John McCall const ReferenceType *InnerRef = T->getAs<ReferenceType>(); 172754e14c4db764c0636160d26c5bbf491637c83a76John McCall 17287c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // If the referencee type isn't canonical, this won't be a canonical type 17297c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // either, so fill in the canonical type field. 17307c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl QualType Canonical; 173154e14c4db764c0636160d26c5bbf491637c83a76John McCall if (InnerRef || !T.isCanonical()) { 173254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType PointeeType = (InnerRef ? InnerRef->getPointeeType() : T); 173354e14c4db764c0636160d26c5bbf491637c83a76John McCall Canonical = getRValueReferenceType(getCanonicalType(PointeeType)); 17347c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl 17355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 17367c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceType *NewIP = 17377c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.FindNodeOrInsertPos(ID, InsertPos); 1738c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 17395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 17405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 17416b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall RValueReferenceType *New 17426b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) RValueReferenceType(T, Canonical); 17435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 17447c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl RValueReferenceTypes.InsertNode(New, InsertPos); 17455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 17465f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 17475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1748f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// getMemberPointerType - Return the uniqued reference to the type for a 1749f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl/// member pointer to the specified type, in the specified class. 17504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getMemberPointerType(QualType T, const Type *Cls) const { 1751f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Unique pointers, to guarantee there is only one pointer of a particular 1752f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // structure. 1753f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl llvm::FoldingSetNodeID ID; 1754f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType::Profile(ID, T, Cls); 1755f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1756f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl void *InsertPos = 0; 1757f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl if (MemberPointerType *PT = 1758f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 1759f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(PT, 0); 1760f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1761f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // If the pointee or class type isn't canonical, this won't be a canonical 1762f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // type either, so fill in the canonical type field. 1763f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl QualType Canonical; 176487c12c4a4667279dacb3d4a93c64b49148a0ff79Douglas Gregor if (!T.isCanonical() || !Cls->isCanonicalUnqualified()) { 1765f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Canonical = getMemberPointerType(getCanonicalType(T),getCanonicalType(Cls)); 1766f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 1767f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl // Get the new insert position for the node we care about. 1768f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerType *NewIP = 1769f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 1770c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 1771f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl } 17726b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall MemberPointerType *New 17736b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) MemberPointerType(T, Cls, Canonical); 1774f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl Types.push_back(New); 1775f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl MemberPointerTypes.InsertNode(New, InsertPos); 1776f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl return QualType(New, 0); 1777f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl} 1778f30208ad5b334e93582e846a2a0c92f38a607b8aSebastian Redl 17791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getConstantArrayType - Return the unique reference to the type for an 1780fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff/// array of the specified element type. 17811eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getConstantArrayType(QualType EltTy, 178238aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner const llvm::APInt &ArySizeIn, 1783c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 178463e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals) const { 1785923d56d436f750bc1f29db50e641078725558a1bSebastian Redl assert((EltTy->isDependentType() || 1786923d56d436f750bc1f29db50e641078725558a1bSebastian Redl EltTy->isIncompleteType() || EltTy->isConstantSizeType()) && 1787587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman "Constant array of VLAs is illegal!"); 1788587cbdfd95f4b0aaccc14b31f5debe85d5daf7edEli Friedman 178938aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // Convert the array size into a canonical width matching the pointer size for 179038aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner // the target. 179138aeec7299c48cb79523f7f89776fb258c84aeeaChris Lattner llvm::APInt ArySize(ArySizeIn); 17929f71a8f4c7a182a5236da9e747d57cc1d1bd24c2Jay Foad ArySize = 1793bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor ArySize.zextOrTrunc(Target->getPointerWidth(getTargetAddressSpace(EltTy))); 17941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 179663e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType::Profile(ID, EltTy, ArySize, ASM, IndexTypeQuals); 17971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 17985f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 17991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (ConstantArrayType *ATP = 18007192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos)) 18015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(ATP, 0); 18021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If the element type isn't canonical or has qualifiers, this won't 18043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // be a canonical type either, so fill in the canonical type field. 18053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 18063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 18073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 1808200fa53fd420aa8369586f569dbece04930ad6a3John McCall Canon = getConstantArrayType(QualType(canonSplit.Ty, 0), ArySize, 180963e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ASM, IndexTypeQuals); 1810200fa53fd420aa8369586f569dbece04930ad6a3John McCall Canon = getQualifiedType(Canon, canonSplit.Quals); 18113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 18125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 18131eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump ConstantArrayType *NewIP = 18147192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.FindNodeOrInsertPos(ID, InsertPos); 1815c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 18165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 18171eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 18186b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ConstantArrayType *New = new(*this,TypeAlignment) 181963e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara ConstantArrayType(EltTy, Canon, ArySize, ASM, IndexTypeQuals); 18207192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek ConstantArrayTypes.InsertNode(New, InsertPos); 18215f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 18225f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 18235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 18245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1825ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// getVariableArrayDecayedType - Turns the given type, which may be 1826ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// variably-modified, into the corresponding type with all the known 1827ce8890371fcdb983ae487c87fa40606a34896ff7John McCall/// sizes replaced with [*]. 1828ce8890371fcdb983ae487c87fa40606a34896ff7John McCallQualType ASTContext::getVariableArrayDecayedType(QualType type) const { 1829ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Vastly most common case. 1830ce8890371fcdb983ae487c87fa40606a34896ff7John McCall if (!type->isVariablyModifiedType()) return type; 1831ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1832ce8890371fcdb983ae487c87fa40606a34896ff7John McCall QualType result; 1833ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1834ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SplitQualType split = type.getSplitDesugaredType(); 1835200fa53fd420aa8369586f569dbece04930ad6a3John McCall const Type *ty = split.Ty; 1836ce8890371fcdb983ae487c87fa40606a34896ff7John McCall switch (ty->getTypeClass()) { 1837ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define TYPE(Class, Base) 1838ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define ABSTRACT_TYPE(Class, Base) 1839ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 1840ce8890371fcdb983ae487c87fa40606a34896ff7John McCall#include "clang/AST/TypeNodes.def" 1841ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("didn't desugar past all non-canonical types?"); 1842ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1843ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types should never be variably-modified. 1844ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Builtin: 1845ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Complex: 1846ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Vector: 1847ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ExtVector: 1848ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedExtVector: 1849ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObject: 1850ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCInterface: 1851ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ObjCObjectPointer: 1852ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Record: 1853ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Enum: 1854ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::UnresolvedUsing: 1855ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOfExpr: 1856ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TypeOf: 1857ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Decltype: 1858ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt case Type::UnaryTransform: 1859ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentName: 1860ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::InjectedClassName: 1861ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateSpecialization: 1862ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentTemplateSpecialization: 1863ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::TemplateTypeParm: 1864ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::SubstTemplateTypeParmPack: 186534b41d939a1328f484511c6002ba2456db879a29Richard Smith case Type::Auto: 1866ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::PackExpansion: 1867ce8890371fcdb983ae487c87fa40606a34896ff7John McCall llvm_unreachable("type should never be variably-modified"); 1868ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1869ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified but should never need to 1870ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // further decay. 1871ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionNoProto: 1872ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::FunctionProto: 1873ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::BlockPointer: 1874ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::MemberPointer: 1875ce8890371fcdb983ae487c87fa40606a34896ff7John McCall return type; 1876ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1877ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // These types can be variably-modified. All these modifications 1878ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // preserve structure except as noted by comments. 1879ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // TODO: if we ever care about optimizing VLAs, there are no-op 1880ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // optimizations available here. 1881ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::Pointer: 1882ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getPointerType(getVariableArrayDecayedType( 1883ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cast<PointerType>(ty)->getPointeeType())); 1884ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1885ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1886ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::LValueReference: { 1887ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const LValueReferenceType *lv = cast<LValueReferenceType>(ty); 1888ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getLValueReferenceType( 1889ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType()), 1890ce8890371fcdb983ae487c87fa40606a34896ff7John McCall lv->isSpelledAsLValue()); 1891ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1892745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1893ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1894ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::RValueReference: { 1895ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const RValueReferenceType *lv = cast<RValueReferenceType>(ty); 1896ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getRValueReferenceType( 1897ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(lv->getPointeeType())); 1898ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1899745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1900745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1901b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman case Type::Atomic: { 1902b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman const AtomicType *at = cast<AtomicType>(ty); 1903b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman result = getAtomicType(getVariableArrayDecayedType(at->getValueType())); 1904b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman break; 1905b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 1906b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 1907ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::ConstantArray: { 1908ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const ConstantArrayType *cat = cast<ConstantArrayType>(ty); 1909ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getConstantArrayType( 1910ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(cat->getElementType()), 1911ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSize(), 1912ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getSizeModifier(), 1913ce8890371fcdb983ae487c87fa40606a34896ff7John McCall cat->getIndexTypeCVRQualifiers()); 1914ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1915745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian } 1916745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1917ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::DependentSizedArray: { 1918ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const DependentSizedArrayType *dat = cast<DependentSizedArrayType>(ty); 1919ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getDependentSizedArrayType( 1920ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(dat->getElementType()), 1921ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeExpr(), 1922ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getSizeModifier(), 1923ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getIndexTypeCVRQualifiers(), 1924ce8890371fcdb983ae487c87fa40606a34896ff7John McCall dat->getBracketsRange()); 1925ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1926ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1927ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1928ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn incomplete types into [*] types. 1929ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::IncompleteArray: { 1930ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const IncompleteArrayType *iat = cast<IncompleteArrayType>(ty); 1931ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1932ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(iat->getElementType()), 1933ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1934ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Normal, 1935ce8890371fcdb983ae487c87fa40606a34896ff7John McCall iat->getIndexTypeCVRQualifiers(), 1936ce8890371fcdb983ae487c87fa40606a34896ff7John McCall SourceRange()); 1937ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1938ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1939ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1940ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Turn VLA types into [*] types. 1941ce8890371fcdb983ae487c87fa40606a34896ff7John McCall case Type::VariableArray: { 1942ce8890371fcdb983ae487c87fa40606a34896ff7John McCall const VariableArrayType *vat = cast<VariableArrayType>(ty); 1943ce8890371fcdb983ae487c87fa40606a34896ff7John McCall result = getVariableArrayType( 1944ce8890371fcdb983ae487c87fa40606a34896ff7John McCall getVariableArrayDecayedType(vat->getElementType()), 1945ce8890371fcdb983ae487c87fa40606a34896ff7John McCall /*size*/ 0, 1946ce8890371fcdb983ae487c87fa40606a34896ff7John McCall ArrayType::Star, 1947ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getIndexTypeCVRQualifiers(), 1948ce8890371fcdb983ae487c87fa40606a34896ff7John McCall vat->getBracketsRange()); 1949ce8890371fcdb983ae487c87fa40606a34896ff7John McCall break; 1950ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1951ce8890371fcdb983ae487c87fa40606a34896ff7John McCall } 1952ce8890371fcdb983ae487c87fa40606a34896ff7John McCall 1953ce8890371fcdb983ae487c87fa40606a34896ff7John McCall // Apply the top-level qualifiers from the original. 1954200fa53fd420aa8369586f569dbece04930ad6a3John McCall return getQualifiedType(result, split.Quals); 1955ce8890371fcdb983ae487c87fa40606a34896ff7John McCall} 1956745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian 1957bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// getVariableArrayType - Returns a non-unique reference to the type for a 1958bdbf7b030a3e0ddb95240076683830e6f78c79a5Steve Naroff/// variable array of the specified element type. 19597e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas GregorQualType ASTContext::getVariableArrayType(QualType EltTy, 19607e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor Expr *NumElts, 1961c9406125e2cac9208098655ac8058c095c2c3a65Steve Naroff ArrayType::ArraySizeModifier ASM, 196263e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara unsigned IndexTypeQuals, 19634ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceRange Brackets) const { 1964c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Since we don't unique expressions, it isn't possible to unique VLA's 1965c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // that have an expression provided for their size. 19663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType Canon; 1967715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 19683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Be sure to pull qualifiers off the element type. 19693b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!EltTy.isCanonical() || EltTy.hasLocalQualifiers()) { 19703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(EltTy).split(); 1971200fa53fd420aa8369586f569dbece04930ad6a3John McCall Canon = getVariableArrayType(QualType(canonSplit.Ty, 0), NumElts, ASM, 197263e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara IndexTypeQuals, Brackets); 1973200fa53fd420aa8369586f569dbece04930ad6a3John McCall Canon = getQualifiedType(Canon, canonSplit.Quals); 1974715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor } 1975715e9c8a39437347e838aa108df443fe1086d359Douglas Gregor 19766b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VariableArrayType *New = new(*this, TypeAlignment) 197763e7d25d2e6036616b42f744fd4a39cd5f911960Abramo Bagnara VariableArrayType(EltTy, Canon, NumElts, ASM, IndexTypeQuals, Brackets); 1978c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1979c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman VariableArrayTypes.push_back(New); 1980c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman Types.push_back(New); 1981c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman return QualType(New, 0); 1982c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman} 1983c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 1984898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// getDependentSizedArrayType - Returns a non-unique reference to 1985898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor/// the type for a dependently-sized array of the specified element 198604d4beee4b86af20a9e4457023d3925cab8f9908Douglas Gregor/// type. 19873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getDependentSizedArrayType(QualType elementType, 19883b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Expr *numElements, 1989898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor ArrayType::ArraySizeModifier ASM, 19903b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals, 19913b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SourceRange brackets) const { 19923b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert((!numElements || numElements->isTypeDependent() || 19933b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements->isValueDependent()) && 1994898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor "Size must be type- or value-dependent!"); 1995898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 19963b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Dependently-sized array types that do not have a specified number 19973b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of elements will have their sizes deduced from a dependent 19983b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // initializer. We do no canonicalization here at all, which is okay 19993b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // because they can't be used in most locations. 20003b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!numElements) { 20013b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *newType 20023b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 20033b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, QualType(), 20043b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall numElements, ASM, elementTypeQuals, 20053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 20063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 20073b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 2008cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor } 2009cb78d8852a454684c987220132cdb5e54dd00121Douglas Gregor 20103b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we actually build a new type every time, but we 20113b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // also build a canonical type. 20121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20133b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonElementType = getCanonicalType(elementType).split(); 2014898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 20153b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 20163b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall llvm::FoldingSetNodeID ID; 20173b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType::Profile(ID, *this, 2018200fa53fd420aa8369586f569dbece04930ad6a3John McCall QualType(canonElementType.Ty, 0), 20193b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, numElements); 20203b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 20213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Look for an existing type with these properties. 20223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *canonTy = 20233b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.FindNodeOrInsertPos(ID, insertPos); 20243b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 20253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we don't have one, build one. 20263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!canonTy) { 20273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall canonTy = new (*this, TypeAlignment) 2028200fa53fd420aa8369586f569dbece04930ad6a3John McCall DependentSizedArrayType(*this, QualType(canonElementType.Ty, 0), 20293b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType(), numElements, ASM, elementTypeQuals, 20303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall brackets); 20313b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayTypes.InsertNode(canonTy, insertPos); 20323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(canonTy); 20333b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 20343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 20353b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Apply qualifiers from the element type to the array. 20363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon = getQualifiedType(QualType(canonTy,0), 2037200fa53fd420aa8369586f569dbece04930ad6a3John McCall canonElementType.Quals); 20383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 20393b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // If we didn't need extra canonicalization for the element type, 20403b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // then just use that as our result. 2041200fa53fd420aa8369586f569dbece04930ad6a3John McCall if (QualType(canonElementType.Ty, 0) == elementType) 20423b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return canon; 20433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 20443b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // Otherwise, we need to build a type which follows the spelling 20453b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // of the element type. 20463b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType *sugaredType 20473b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall = new (*this, TypeAlignment) 20483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall DependentSizedArrayType(*this, elementType, canon, numElements, 20493b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals, brackets); 20503b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(sugaredType); 20513b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(sugaredType, 0); 20523b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall} 20533b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall 20543b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getIncompleteArrayType(QualType elementType, 2055c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman ArrayType::ArraySizeModifier ASM, 20563b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall unsigned elementTypeQuals) const { 2057c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman llvm::FoldingSetNodeID ID; 20583b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType::Profile(ID, elementType, ASM, elementTypeQuals); 2059c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 20603b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall void *insertPos = 0; 20613b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (IncompleteArrayType *iat = 20623b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos)) 20633b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(iat, 0); 2064c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 2065c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // If the element type isn't canonical, this won't be a canonical type 20663b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // either, so fill in the canonical type field. We also have to pull 20673b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall // qualifiers off the element type. 20683b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType canon; 2069c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 20703b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!elementType.isCanonical() || elementType.hasLocalQualifiers()) { 20713b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType canonSplit = getCanonicalType(elementType).split(); 2072200fa53fd420aa8369586f569dbece04930ad6a3John McCall canon = getIncompleteArrayType(QualType(canonSplit.Ty, 0), 20733b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall ASM, elementTypeQuals); 2074200fa53fd420aa8369586f569dbece04930ad6a3John McCall canon = getQualifiedType(canon, canonSplit.Quals); 2075c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 2076c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman // Get the new insert position for the node we care about. 20773b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *existing = 20783b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.FindNodeOrInsertPos(ID, insertPos); 20793b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(!existing && "Shouldn't be in the map!"); (void) existing; 20802bd24ba6d10f8c811c8e2a57c8397e07082ba497Ted Kremenek } 2081c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 20823b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType *newType = new (*this, TypeAlignment) 20833b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayType(elementType, canon, ASM, elementTypeQuals); 2084c5773c4b8ce1ed6ed5c7112c9020c954a47dce96Eli Friedman 20853b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall IncompleteArrayTypes.InsertNode(newType, insertPos); 20863b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Types.push_back(newType); 20873b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return QualType(newType, 0); 2088fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff} 2089fb22d96692c5240fb8d611290dbf7eeed3759c73Steve Naroff 209073322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// getVectorType - Return the unique reference to a vector type of 209173322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 209282287d19ded35248c4ce6a425ce74116a13ce44eJohn ThompsonQualType ASTContext::getVectorType(QualType vecType, unsigned NumElts, 20934ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad VectorType::VectorKind VecKind) const { 20943b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall assert(vecType->isBuiltinType()); 20951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 20965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Check if we've already instantiated a vector of this type. 20975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 2098e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::Profile(ID, vecType, NumElts, Type::Vector, VecKind); 2099788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner 21005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 21015f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 21025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(VTP, 0); 21035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 21045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If the element type isn't canonical, this won't be a canonical type either, 21055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // so fill in the canonical type field. 21065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 2107255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (!vecType.isCanonical()) { 2108231da7eb3dd13007e5e40fffe48998e5ef284e06Bob Wilson Canonical = getVectorType(getCanonicalType(vecType), NumElts, VecKind); 21091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 21115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 2112c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 21135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 21146b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall VectorType *New = new (*this, TypeAlignment) 2115e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType(vecType, NumElts, Canonical, VecKind); 21165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer VectorTypes.InsertNode(New, InsertPos); 21175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 21185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 21195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 21205f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2121213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman/// getExtVectorType - Return the unique reference to an extended vector type of 212273322924127c873c13101b705dd823f5539ffa5fSteve Naroff/// the specified element type and size. VectorType must be a built-in type. 21234ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 21244ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getExtVectorType(QualType vecType, unsigned NumElts) const { 21254ac01401b1ec602a1f58c217544d3dcb5fcbd7f1Douglas Gregor assert(vecType->isBuiltinType() || vecType->isDependentType()); 21261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 212773322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Check if we've already instantiated a vector of this type. 212873322924127c873c13101b705dd823f5539ffa5fSteve Naroff llvm::FoldingSetNodeID ID; 2129788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner VectorType::Profile(ID, vecType, NumElts, Type::ExtVector, 2130e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 213173322924127c873c13101b705dd823f5539ffa5fSteve Naroff void *InsertPos = 0; 213273322924127c873c13101b705dd823f5539ffa5fSteve Naroff if (VectorType *VTP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos)) 213373322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(VTP, 0); 213473322924127c873c13101b705dd823f5539ffa5fSteve Naroff 213573322924127c873c13101b705dd823f5539ffa5fSteve Naroff // If the element type isn't canonical, this won't be a canonical type either, 213673322924127c873c13101b705dd823f5539ffa5fSteve Naroff // so fill in the canonical type field. 213773322924127c873c13101b705dd823f5539ffa5fSteve Naroff QualType Canonical; 2138467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall if (!vecType.isCanonical()) { 2139213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman Canonical = getExtVectorType(getCanonicalType(vecType), NumElts); 21401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 214173322924127c873c13101b705dd823f5539ffa5fSteve Naroff // Get the new insert position for the node we care about. 214273322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorType *NewIP = VectorTypes.FindNodeOrInsertPos(ID, InsertPos); 2143c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 214473322924127c873c13101b705dd823f5539ffa5fSteve Naroff } 21456b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType *New = new (*this, TypeAlignment) 21466b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall ExtVectorType(vecType, NumElts, Canonical); 214773322924127c873c13101b705dd823f5539ffa5fSteve Naroff VectorTypes.InsertNode(New, InsertPos); 214873322924127c873c13101b705dd823f5539ffa5fSteve Naroff Types.push_back(New); 214973322924127c873c13101b705dd823f5539ffa5fSteve Naroff return QualType(New, 0); 215073322924127c873c13101b705dd823f5539ffa5fSteve Naroff} 215173322924127c873c13101b705dd823f5539ffa5fSteve Naroff 21524ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 21534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentSizedExtVectorType(QualType vecType, 21544ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad Expr *SizeExpr, 21554ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation AttrLoc) const { 21562ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor llvm::FoldingSetNodeID ID; 21571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump DependentSizedExtVectorType::Profile(ID, *this, getCanonicalType(vecType), 21582ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SizeExpr); 21591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21602ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor void *InsertPos = 0; 21612ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *Canon 21622ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 21632ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorType *New; 21642ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (Canon) { 21652ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // We already have a canonical version of this array type; use it as 21662ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor // the canonical type for a newly-built type. 21676b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 21686b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(Canon, 0), 21696b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall SizeExpr, AttrLoc); 21702ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 21712ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType CanonVecTy = getCanonicalType(vecType); 21722ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor if (CanonVecTy == vecType) { 21736b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 21746b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, QualType(), SizeExpr, 21756b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall AttrLoc); 2176789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2177789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentSizedExtVectorType *CanonCheck 2178789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentSizedExtVectorTypes.FindNodeOrInsertPos(ID, InsertPos); 2179789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CanonCheck && "Dependent-sized ext_vector canonical type broken"); 2180789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CanonCheck; 21812ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor DependentSizedExtVectorTypes.InsertNode(New, InsertPos); 21822ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } else { 21832ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor QualType Canon = getDependentSizedExtVectorType(CanonVecTy, SizeExpr, 21842ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor SourceLocation()); 21856b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall New = new (*this, TypeAlignment) 21866b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall DependentSizedExtVectorType(*this, vecType, Canon, SizeExpr, AttrLoc); 21872ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 21882ec09f1dc123e1942ed756e8ee4fef86451eac9eDouglas Gregor } 21891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 21909cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor Types.push_back(New); 21919cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor return QualType(New, 0); 21929cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor} 21939cdda0cf8528e3d595be9bfa002f0450074beb4dDouglas Gregor 219472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getFunctionNoProtoType - Return a K&R style C function type like 'int()'. 21955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// 21964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 21974ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionNoProtoType(QualType ResultTy, 21984ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionType::ExtInfo &Info) const { 2199cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = Info.getCC(); 2200cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 2201cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 22025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 22035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 22045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 2205264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionNoProtoType::Profile(ID, ResultTy, Info); 22061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 22081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionNoProtoType *FT = 220972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 22105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FT, 0); 22111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 2213ab8bbf4ebd3e3e6eab913cb044772a62b7581941Douglas Gregor if (!ResultTy.isCanonical() || 221404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall getCanonicalCallConv(CallConv) != CallConv) { 2215264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Canonical = 2216264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola getFunctionNoProtoType(getCanonicalType(ResultTy), 2217264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola Info.withCallingConv(getCanonicalCallConv(CallConv))); 22181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 22195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 222072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoType *NewIP = 222172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 2222c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 22235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 22241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2225cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtInfo newInfo = Info.withCallingConv(CallConv); 22266b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall FunctionNoProtoType *New = new (*this, TypeAlignment) 2227cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionNoProtoType(ResultTy, Canonical, newInfo); 22285f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(New); 222972564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionNoProtoTypes.InsertNode(New, InsertPos); 22305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(New, 0); 22315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 22325f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22335f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFunctionType - Return a normal function type with a typed argument 22345f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// list. isVariadic indicates whether the argument list includes '...'. 22354ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 22364ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getFunctionType(QualType ResultTy, 22374ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const QualType *ArgArray, unsigned NumArgs, 22384ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FunctionProtoType::ExtProtoInfo &EPI) const { 22395f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Unique functions, to guarantee there is only one function of a particular 22405f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // structure. 22415f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer llvm::FoldingSetNodeID ID; 22428026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl FunctionProtoType::Profile(ID, ResultTy, ArgArray, NumArgs, EPI, *this); 22435f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 22445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer void *InsertPos = 0; 22451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionProtoType *FTP = 224672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos)) 22475f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 2248465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2249465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // Determine whether the type being created is already canonical or not. 2250eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith bool isCanonical = 2251eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith EPI.ExceptionSpecType == EST_None && ResultTy.isCanonical() && 2252eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith !EPI.HasTrailingReturn; 22535f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs && isCanonical; ++i) 225454e14c4db764c0636160d26c5bbf491637c83a76John McCall if (!ArgArray[i].isCanonicalAsParam()) 22555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer isCanonical = false; 22565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 2257cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv DefaultCC = EPI.ExtInfo.getCC(); 2258cfe9af250f466e7e38becea4428990448ae07737Roman Divacky const CallingConv CallConv = (LangOpts.MRTD && DefaultCC == CC_Default) ? 2259cfe9af250f466e7e38becea4428990448ae07737Roman Divacky CC_X86StdCall : DefaultCC; 2260e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 22615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // If this type isn't canonical, get the canonical version of it. 2262465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl // The exception spec is not part of the canonical type. 22635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer QualType Canonical; 226404a67a6aa3dfdc92d57f7f8d93ba397348c868a4John McCall if (!isCanonical || getCanonicalCallConv(CallConv) != CallConv) { 22655f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 16> CanonicalArgs; 22665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer CanonicalArgs.reserve(NumArgs); 22675f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer for (unsigned i = 0; i != NumArgs; ++i) 226854e14c4db764c0636160d26c5bbf491637c83a76John McCall CanonicalArgs.push_back(getCanonicalParamType(ArgArray[i])); 2269465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2270e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo CanonicalEPI = EPI; 2271eefb3d5b49c844347f212073a7e975b8118fe8e9Richard Smith CanonicalEPI.HasTrailingReturn = false; 22728b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.ExceptionSpecType = EST_None; 22738b5b4099c61a136e9a1714c4d8a593febe942268Sebastian Redl CanonicalEPI.NumExceptions = 0; 2274e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI.ExtInfo 2275e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall = CanonicalEPI.ExtInfo.withCallingConv(getCanonicalCallConv(CallConv)); 2276e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 2277f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner Canonical = getFunctionType(getCanonicalType(ResultTy), 2278beaaccd8e2a8748f77b66e2b330fb9136937e14cJay Foad CanonicalArgs.data(), NumArgs, 2279e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall CanonicalEPI); 2280465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 22815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Get the new insert position for the node we care about. 228272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoType *NewIP = 228372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.FindNodeOrInsertPos(ID, InsertPos); 2284c6ed729f669044f5072a49d79041f455d971ece3Jeffrey Yasskin assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 22855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 2286465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl 2287f85e193739c953358c865005855253af4f68a497John McCall // FunctionProtoType objects are allocated with extra bytes after 2288f85e193739c953358c865005855253af4f68a497John McCall // them for three variable size arrays at the end: 2289f85e193739c953358c865005855253af4f68a497John McCall // - parameter types 2290f85e193739c953358c865005855253af4f68a497John McCall // - exception types 2291f85e193739c953358c865005855253af4f68a497John McCall // - consumed-arguments flags 2292f85e193739c953358c865005855253af4f68a497John McCall // Instead of the exception types, there could be a noexcept 2293f85e193739c953358c865005855253af4f68a497John McCall // expression. 2294e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall size_t Size = sizeof(FunctionProtoType) + 229560618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl NumArgs * sizeof(QualType); 229660618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl if (EPI.ExceptionSpecType == EST_Dynamic) 229760618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl Size += EPI.NumExceptions * sizeof(QualType); 229860618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl else if (EPI.ExceptionSpecType == EST_ComputedNoexcept) { 22998026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl Size += sizeof(Expr*); 2300e6975e9b0985ad7f7ff9187e38d95bfe9ac4181bRichard Smith } else if (EPI.ExceptionSpecType == EST_Uninstantiated) { 230113bffc532bafd45d4a77867993c1afb83c7661beRichard Smith Size += 2 * sizeof(FunctionDecl*); 230260618fa7f88d5162bb5b40988b6b38d4d75d6fc6Sebastian Redl } 2303f85e193739c953358c865005855253af4f68a497John McCall if (EPI.ConsumedArguments) 2304f85e193739c953358c865005855253af4f68a497John McCall Size += NumArgs * sizeof(bool); 2305f85e193739c953358c865005855253af4f68a497John McCall 2306e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType *FTP = (FunctionProtoType*) Allocate(Size, TypeAlignment); 2307cfe9af250f466e7e38becea4428990448ae07737Roman Divacky FunctionProtoType::ExtProtoInfo newEPI = EPI; 2308cfe9af250f466e7e38becea4428990448ae07737Roman Divacky newEPI.ExtInfo = EPI.ExtInfo.withCallingConv(CallConv); 23098026f6d82f7fa544bc0453714fe94bca62a1196eSebastian Redl new (FTP) FunctionProtoType(ResultTy, ArgArray, NumArgs, Canonical, newEPI); 23105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer Types.push_back(FTP); 231172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor FunctionProtoTypes.InsertNode(FTP, InsertPos); 23125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return QualType(FTP, 0); 23135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 23145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 23153cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#ifndef NDEBUG 23163cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallstatic bool NeedsInjectedClassNameType(const RecordDecl *D) { 23173cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (!isa<CXXRecordDecl>(D)) return false; 23183cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const CXXRecordDecl *RD = cast<CXXRecordDecl>(D); 23193cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (isa<ClassTemplatePartialSpecializationDecl>(RD)) 23203cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 23213cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (RD->getDescribedClassTemplate() && 23223cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall !isa<ClassTemplateSpecializationDecl>(RD)) 23233cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return true; 23243cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return false; 23253cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 23263cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall#endif 23273cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 23283cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// getInjectedClassNameType - Return the unique reference to the 23293cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall/// injected class name type for the specified templated declaration. 23303cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallQualType ASTContext::getInjectedClassNameType(CXXRecordDecl *Decl, 23314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType TST) const { 23323cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(NeedsInjectedClassNameType(Decl)); 23333cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall if (Decl->TypeForDecl) { 23343cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 2335ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor } else if (CXXRecordDecl *PrevDecl = Decl->getPreviousDecl()) { 23363cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(PrevDecl->TypeForDecl && "previous declaration has no type"); 23373cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall Decl->TypeForDecl = PrevDecl->TypeForDecl; 23383cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall assert(isa<InjectedClassNameType>(Decl->TypeForDecl)); 23393cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } else { 2340f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = 234131f17ecbef57b5679c017c375db330546b7b5145John McCall new (*this, TypeAlignment) InjectedClassNameType(Decl, TST); 2342f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2343f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 23443cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall } 23453cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return QualType(Decl->TypeForDecl, 0); 23463cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 23473cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 23482ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// getTypeDeclType - Return the unique reference to the type for the 23492ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor/// specified type declaration. 23504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeDeclTypeSlow(const TypeDecl *Decl) const { 23511e6759e9e33dcaa73ce14c8a908ac9f87ac16463Argyrios Kyrtzidis assert(Decl && "Passed null for Decl param"); 2352becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!Decl->TypeForDecl && "TypeForDecl present in slow case"); 23531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2354162e1c1b487352434552147967c3dd296ebee2f7Richard Smith if (const TypedefNameDecl *Typedef = dyn_cast<TypedefNameDecl>(Decl)) 23552ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor return getTypedefType(Typedef); 2356becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 2357becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!isa<TemplateTypeParmDecl>(Decl) && 2358becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "Template type parameter types are always available."); 2359becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall 236019c8576b7328f4dc2d07682f5da552875c1912efJohn McCall if (const RecordDecl *Record = dyn_cast<RecordDecl>(Decl)) { 2361ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor assert(!Record->getPreviousDecl() && 2362becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "struct/union has previous declaration"); 2363becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall assert(!NeedsInjectedClassNameType(Record)); 2364400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getRecordType(Record); 236519c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const EnumDecl *Enum = dyn_cast<EnumDecl>(Decl)) { 2366ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor assert(!Enum->getPreviousDecl() && 2367becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall "enum has previous declaration"); 2368400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return getEnumType(Enum); 236919c8576b7328f4dc2d07682f5da552875c1912efJohn McCall } else if (const UnresolvedUsingTypenameDecl *Using = 2370ed97649e9574b9d854fa4d6109c9333ae0993554John McCall dyn_cast<UnresolvedUsingTypenameDecl>(Decl)) { 2371f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Type *newType = new (*this, TypeAlignment) UnresolvedUsingType(Using); 2372f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2373f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 23749fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else 2375becb8d5a6ab5103393eac5344ae69bcb860601ddJohn McCall llvm_unreachable("TypeDecl without a type?"); 237649aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis 237749aa7ff1245abd03e6e998e01302df31e4c6f8f6Argyrios Kyrtzidis return QualType(Decl->TypeForDecl, 0); 23782ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor} 23792ce52f3fb95bf544db6bd3d91a72bce7d9cceb6cDouglas Gregor 23805f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTypedefType - Return the unique reference to the type for the 2381162e1c1b487352434552147967c3dd296ebee2f7Richard Smith/// specified typedef name decl. 23829763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2383162e1c1b487352434552147967c3dd296ebee2f7Richard SmithASTContext::getTypedefType(const TypedefNameDecl *Decl, 2384162e1c1b487352434552147967c3dd296ebee2f7Richard Smith QualType Canonical) const { 23855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 23861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 23879763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (Canonical.isNull()) 23889763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Canonical = getCanonicalType(Decl->getUnderlyingType()); 2389f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall TypedefType *newType = new(*this, TypeAlignment) 23906b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypedefType(Type::Typedef, Decl, Canonical); 2391f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2392f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2393f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 23945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 23955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 23964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getRecordType(const RecordDecl *Decl) const { 2397400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2398400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2399ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor if (const RecordDecl *PrevDecl = Decl->getPreviousDecl()) 2400400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2401400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2402400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2403f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall RecordType *newType = new (*this, TypeAlignment) RecordType(Decl); 2404f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2405f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2406f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2407400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2408400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 24094ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getEnumType(const EnumDecl *Decl) const { 2410400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (Decl->TypeForDecl) return QualType(Decl->TypeForDecl, 0); 2411400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2412ef96ee0be5f100789f451641542a69cd719144d2Douglas Gregor if (const EnumDecl *PrevDecl = Decl->getPreviousDecl()) 2413400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis if (PrevDecl->TypeForDecl) 2414400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis return QualType(Decl->TypeForDecl = PrevDecl->TypeForDecl, 0); 2415400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 2416f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall EnumType *newType = new (*this, TypeAlignment) EnumType(Decl); 2417f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Decl->TypeForDecl = newType; 2418f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall Types.push_back(newType); 2419f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall return QualType(newType, 0); 2420400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis} 2421400f5125e2432d648f2c8a31b36a7f318a880c47Argyrios Kyrtzidis 24229d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCallQualType ASTContext::getAttributedType(AttributedType::Kind attrKind, 24239d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType modifiedType, 24249d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType equivalentType) { 24259d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall llvm::FoldingSetNodeID id; 24269d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType::Profile(id, attrKind, modifiedType, equivalentType); 24279d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 24289d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall void *insertPos = 0; 24299d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType *type = AttributedTypes.FindNodeOrInsertPos(id, insertPos); 24309d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall if (type) return QualType(type, 0); 24319d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 24329d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall QualType canon = getCanonicalType(equivalentType); 24339d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall type = new (*this, TypeAlignment) 24349d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedType(canon, attrKind, modifiedType, equivalentType); 24359d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 24369d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall Types.push_back(type); 24379d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall AttributedTypes.InsertNode(type, insertPos); 24389d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 24399d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall return QualType(type, 0); 24409d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall} 24419d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 24429d156a7b1b2771e191f2f5a45a7b7a694129463bJohn McCall 244349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall/// \brief Retrieve a substitution-result type. 244449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallQualType 244549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCallASTContext::getSubstTemplateTypeParmType(const TemplateTypeParmType *Parm, 24464ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Replacement) const { 2447467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(Replacement.isCanonical() 244849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall && "replacement types must always be canonical"); 244949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 245049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall llvm::FoldingSetNodeID ID; 245149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType::Profile(ID, Parm, Replacement); 245249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall void *InsertPos = 0; 245349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType *SubstParm 245449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall = SubstTemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 245549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 245649a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall if (!SubstParm) { 245749a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstParm = new (*this, TypeAlignment) 245849a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmType(Parm, Replacement); 245949a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall Types.push_back(SubstParm); 246049a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 246149a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall } 246249a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 246349a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall return QualType(SubstParm, 0); 246449a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall} 246549a832bd499d6f61c23655f1fac99f0dd229756eJohn McCall 2466c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor/// \brief Retrieve a 2467c3069d618f4661d923cb1b5c4525b082fce73b04Douglas GregorQualType ASTContext::getSubstTemplateTypeParmPackType( 2468c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateTypeParmType *Parm, 2469c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor const TemplateArgument &ArgPack) { 2470c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#ifndef NDEBUG 2471c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor for (TemplateArgument::pack_iterator P = ArgPack.pack_begin(), 2472c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor PEnd = ArgPack.pack_end(); 2473c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor P != PEnd; ++P) { 2474c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getKind() == TemplateArgument::Type &&"Pack contains a non-type"); 2475c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor assert(P->getAsType().isCanonical() && "Pack contains non-canonical type"); 2476c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2477c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor#endif 2478c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2479c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor llvm::FoldingSetNodeID ID; 2480c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType::Profile(ID, Parm, ArgPack); 2481c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor void *InsertPos = 0; 2482c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (SubstTemplateTypeParmPackType *SubstParm 2483c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos)) 2484c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2485c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2486c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor QualType Canon; 2487c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor if (!Parm->isCanonicalUnqualified()) { 2488c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getCanonicalType(QualType(Parm, 0)); 2489c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Canon = getSubstTemplateTypeParmPackType(cast<TemplateTypeParmType>(Canon), 2490c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2491c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackTypes.FindNodeOrInsertPos(ID, InsertPos); 2492c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor } 2493c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2494c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmPackType *SubstParm 2495c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor = new (*this, TypeAlignment) SubstTemplateTypeParmPackType(Parm, Canon, 2496c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor ArgPack); 2497c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor Types.push_back(SubstParm); 2498c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor SubstTemplateTypeParmTypes.InsertNode(SubstParm, InsertPos); 2499c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor return QualType(SubstParm, 0); 2500c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor} 2501c3069d618f4661d923cb1b5c4525b082fce73b04Douglas Gregor 2502fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor/// \brief Retrieve the template type parameter type for a template 25031eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parameter or parameter pack with the given depth, index, and (optionally) 250476e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson/// name. 25051eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index, 250676e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson bool ParameterPack, 25074fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmDecl *TTPDecl) const { 2508fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor llvm::FoldingSetNodeID ID; 25094fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TemplateTypeParmType::Profile(ID, Depth, Index, ParameterPack, TTPDecl); 2510fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor void *InsertPos = 0; 25111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateTypeParmType *TypeParm 2512fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2513fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2514fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor if (TypeParm) 2515fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 25161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 25174fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth if (TTPDecl) { 251876e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson QualType Canon = getTemplateTypeParmType(Depth, Index, ParameterPack); 25194fb86f8c4585e53c21c847ad3de9e3b2de123cd9Chandler Carruth TypeParm = new (*this, TypeAlignment) TemplateTypeParmType(TTPDecl, Canon); 2520789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2521789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor TemplateTypeParmType *TypeCheck 2522789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = TemplateTypeParmTypes.FindNodeOrInsertPos(ID, InsertPos); 2523789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!TypeCheck && "Template type parameter canonical type broken"); 2524789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)TypeCheck; 252576e4ce42a30cee4dc40ce7c6014874fbc4f9baa7Anders Carlsson } else 25266b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeParm = new (*this, TypeAlignment) 25276b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TemplateTypeParmType(Depth, Index, ParameterPack); 2528fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2529fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor Types.push_back(TypeParm); 2530fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor TemplateTypeParmTypes.InsertNode(TypeParm, InsertPos); 2531fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 2532fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor return QualType(TypeParm, 0); 2533fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor} 2534fab9d67cebb87be968e7ae31a3b549a5279b5d51Douglas Gregor 25353cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallTypeSourceInfo * 25363cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCallASTContext::getTemplateSpecializationTypeInfo(TemplateName Name, 25373cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall SourceLocation NameLoc, 25383cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall const TemplateArgumentListInfo &Args, 25393e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 25407c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Name.getAsDependentTemplateName() && 25417c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 25423e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType TST = getTemplateSpecializationType(Name, Args, Underlying); 25433cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 25443cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TypeSourceInfo *DI = CreateTypeSourceInfo(TST); 25453cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TemplateSpecializationTypeLoc TL 25463cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall = cast<TemplateSpecializationTypeLoc>(DI->getTypeLoc()); 254755d23c925b058be29b792008ddb7d68f6c4fa9a0Abramo Bagnara TL.setTemplateKeywordLoc(SourceLocation()); 25483cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setTemplateNameLoc(NameLoc); 25493cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setLAngleLoc(Args.getLAngleLoc()); 25503cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setRAngleLoc(Args.getRAngleLoc()); 25513cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall for (unsigned i = 0, e = TL.getNumArgs(); i != e; ++i) 25523cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall TL.setArgLocInfo(i, Args[i].getLocInfo()); 25533cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall return DI; 25543cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall} 25553cb0ebd5f76abcb776f7cb4062bd79e3268c0dc4John McCall 25561eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 25577532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas GregorASTContext::getTemplateSpecializationType(TemplateName Template, 2558d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall const TemplateArgumentListInfo &Args, 25593e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 25607c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 25617c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 25627c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 2563d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall unsigned NumArgs = Args.size(); 2564d5532b6cfff2977e0c59fa6ead7f7973984a620dJohn McCall 25655f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 4> ArgVec; 2566833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.reserve(NumArgs); 2567833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall for (unsigned i = 0; i != NumArgs; ++i) 2568833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall ArgVec.push_back(Args[i].getArgument()); 2569833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 257031f17ecbef57b5679c017c375db330546b7b5145John McCall return getTemplateSpecializationType(Template, ArgVec.data(), NumArgs, 25713e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Underlying); 2572833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall} 2573833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall 2574b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor#ifndef NDEBUG 2575b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregorstatic bool hasAnyPackExpansions(const TemplateArgument *Args, 2576b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor unsigned NumArgs) { 2577b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor for (unsigned I = 0; I != NumArgs; ++I) 2578b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor if (Args[I].isPackExpansion()) 2579b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor return true; 2580b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor 2581b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor return true; 2582b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor} 2583b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor#endif 2584b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor 2585833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallQualType 2586833ca991c1bfc967f0995974ca86f66ba1f666b5John McCallASTContext::getTemplateSpecializationType(TemplateName Template, 25877532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor const TemplateArgument *Args, 25887532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor unsigned NumArgs, 25893e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType Underlying) const { 25907c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 25917c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 25920f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 25930f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 25940f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 25957c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 2596b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor bool IsTypeAlias = 25973e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith Template.getAsTemplateDecl() && 25983e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith isa<TypeAliasTemplateDecl>(Template.getAsTemplateDecl()); 25993e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType CanonType; 26003e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith if (!Underlying.isNull()) 26013e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType = getCanonicalType(Underlying); 26023e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith else { 2603b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor // We can get here with an alias template when the specialization contains 2604b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor // a pack expansion that does not match up with a parameter pack. 2605b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor assert((!IsTypeAlias || hasAnyPackExpansions(Args, NumArgs)) && 2606b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor "Caller must compute aliased type"); 2607b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor IsTypeAlias = false; 26083e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith CanonType = getCanonicalTemplateSpecializationType(Template, Args, 26093e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith NumArgs); 26103e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith } 2611fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor 26121275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Allocate the (non-canonical) template specialization type, but don't 26131275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // try to unique it: these types typically have location information that 26141275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // we don't unique and don't want to lose. 26153e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith void *Mem = Allocate(sizeof(TemplateSpecializationType) + 26163e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith sizeof(TemplateArgument) * NumArgs + 2617b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor (IsTypeAlias? sizeof(QualType) : 0), 26186b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeAlignment); 26191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump TemplateSpecializationType *Spec 2620b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor = new (Mem) TemplateSpecializationType(Template, Args, NumArgs, CanonType, 2621b70126a328f89937f46db42f9e3cba1592887c91Douglas Gregor IsTypeAlias ? Underlying : QualType()); 26221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 262355f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor Types.push_back(Spec); 26241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(Spec, 0); 262555f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor} 262655f6b14230c94272efbbcdd89a92224c8db9f225Douglas Gregor 26271eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 26289763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisASTContext::getCanonicalTemplateSpecializationType(TemplateName Template, 26299763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis const TemplateArgument *Args, 26304ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumArgs) const { 26317c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor assert(!Template.getAsDependentTemplateName() && 26327c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor "No dependent template names here!"); 26333e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith 26340f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor // Look through qualified template names. 26350f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor if (QualifiedTemplateName *QTN = Template.getAsQualifiedTemplateName()) 26360f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor Template = TemplateName(QTN->getTemplateDecl()); 26377c3179cf463c3b3b8c21dbb955f933ba50b74f28Douglas Gregor 26389763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Build the canonical template specialization type. 26399763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateName CanonTemplate = getCanonicalTemplateName(Template); 26405f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 4> CanonArgs; 26419763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.reserve(NumArgs); 26429763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis for (unsigned I = 0; I != NumArgs; ++I) 26439763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.push_back(getCanonicalTemplateArgument(Args[I])); 26449763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 26459763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Determine whether this canonical template specialization type already 26469763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // exists. 26479763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis llvm::FoldingSetNodeID ID; 26489763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType::Profile(ID, CanonTemplate, 26499763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, *this); 26509763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 26519763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *InsertPos = 0; 26529763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationType *Spec 26539763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis = TemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 26549763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 26559763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis if (!Spec) { 26569763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis // Allocate a new canonical template specialization type. 26579763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis void *Mem = Allocate((sizeof(TemplateSpecializationType) + 26589763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis sizeof(TemplateArgument) * NumArgs), 26599763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TypeAlignment); 26609763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Spec = new (Mem) TemplateSpecializationType(CanonTemplate, 26619763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis CanonArgs.data(), NumArgs, 26623e4c6c4c79a03f5cb0c4671d7c282d623c6dc35eRichard Smith QualType(), QualType()); 26639763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis Types.push_back(Spec); 26649763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis TemplateSpecializationTypes.InsertNode(Spec, InsertPos); 26659763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis } 26669763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 26679763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis assert(Spec->isDependentType() && 26689763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis "Non-dependent template-id type must have a canonical type"); 26699763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis return QualType(Spec, 0); 26709763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis} 26719763e221e16026ddf487d2564ed349d2c874a1a1Argyrios Kyrtzidis 26729763e221e16026ddf487d2564ed349d2c874a1a1Argyrios KyrtzidisQualType 2673465d41b92b2c862f3062c412a0538db65c6a2661Abramo BagnaraASTContext::getElaboratedType(ElaboratedTypeKeyword Keyword, 2674465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara NestedNameSpecifier *NNS, 26754ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType NamedType) const { 2676e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor llvm::FoldingSetNodeID ID; 2677465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType::Profile(ID, Keyword, NNS, NamedType); 2678e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2679e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor void *InsertPos = 0; 2680465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *T = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2681e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor if (T) 2682e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2683e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2684789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor QualType Canon = NamedType; 2685789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (!Canon.isCanonical()) { 2686789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor Canon = getCanonicalType(NamedType); 2687465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedType *CheckT = ElaboratedTypes.FindNodeOrInsertPos(ID, InsertPos); 2688465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara assert(!CheckT && "Elaborated canonical type broken"); 2689789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckT; 2690789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 2691789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2692465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara T = new (*this) ElaboratedType(Keyword, NNS, NamedType, Canon); 2693e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor Types.push_back(T); 2694465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara ElaboratedTypes.InsertNode(T, InsertPos); 2695e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor return QualType(T, 0); 2696e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor} 2697e4e5b054b4917f0ee493bb2fda5b1ec749bfb9a1Douglas Gregor 2698075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo BagnaraQualType 26994ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getParenType(QualType InnerType) const { 2700075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara llvm::FoldingSetNodeID ID; 2701075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType::Profile(ID, InnerType); 2702075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2703075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara void *InsertPos = 0; 2704075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *T = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2705075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (T) 2706075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2707075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2708075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara QualType Canon = InnerType; 2709075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara if (!Canon.isCanonical()) { 2710075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Canon = getCanonicalType(InnerType); 2711075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenType *CheckT = ParenTypes.FindNodeOrInsertPos(ID, InsertPos); 2712075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara assert(!CheckT && "Paren canonical type broken"); 2713075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara (void)CheckT; 2714075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara } 2715075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 2716075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara T = new (*this) ParenType(InnerType, Canon); 2717075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara Types.push_back(T); 2718075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara ParenTypes.InsertNode(T, InsertPos); 2719075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara return QualType(T, 0); 2720075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara} 2721075f8f1b6bed4d1b224c74f87508534cc6392ce6Abramo Bagnara 27224a2023f5014e82389d5980d307b89c545dbbac81Douglas GregorQualType ASTContext::getDependentNameType(ElaboratedTypeKeyword Keyword, 27234a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 27244a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor const IdentifierInfo *Name, 27254ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad QualType Canon) const { 2726d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor assert(NNS->isDependent() && "nested-name-specifier must be dependent"); 2727d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2728d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (Canon.isNull()) { 2729d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 27304a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor ElaboratedTypeKeyword CanonKeyword = Keyword; 27314a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (Keyword == ETK_None) 27324a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor CanonKeyword = ETK_Typename; 27334a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor 27344a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor if (CanonNNS != NNS || CanonKeyword != Keyword) 27354a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor Canon = getDependentNameType(CanonKeyword, CanonNNS, Name); 2736d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 2737d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2738d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor llvm::FoldingSetNodeID ID; 27394a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor DependentNameType::Profile(ID, Keyword, NNS, Name); 2740d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 2741d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor void *InsertPos = 0; 27424714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameType *T 27434714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor = DependentNameTypes.FindNodeOrInsertPos(ID, InsertPos); 2744d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor if (T) 2745d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return QualType(T, 0); 2746d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 27474a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor T = new (*this) DependentNameType(Keyword, NNS, Name, Canon); 2748d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor Types.push_back(T); 27494714c12a1ab759156b78be8f109ea4c12213af57Douglas Gregor DependentNameTypes.InsertNode(T, InsertPos); 27501eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 2751d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 2752d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 27531eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpQualType 275433500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 275533500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 27564a2023f5014e82389d5980d307b89c545dbbac81Douglas Gregor NestedNameSpecifier *NNS, 275733500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 27584ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgumentListInfo &Args) const { 275933500955d731c73717af52088b7fc0e7a85681e7John McCall // TODO: avoid this copy 27605f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 16> ArgCopy; 276133500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0, E = Args.size(); I != E; ++I) 276233500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.push_back(Args[I].getArgument()); 276333500955d731c73717af52088b7fc0e7a85681e7John McCall return getDependentTemplateSpecializationType(Keyword, NNS, Name, 276433500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.size(), 276533500955d731c73717af52088b7fc0e7a85681e7John McCall ArgCopy.data()); 276633500955d731c73717af52088b7fc0e7a85681e7John McCall} 276733500955d731c73717af52088b7fc0e7a85681e7John McCall 276833500955d731c73717af52088b7fc0e7a85681e7John McCallQualType 276933500955d731c73717af52088b7fc0e7a85681e7John McCallASTContext::getDependentTemplateSpecializationType( 277033500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword Keyword, 277133500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *NNS, 277233500955d731c73717af52088b7fc0e7a85681e7John McCall const IdentifierInfo *Name, 277333500955d731c73717af52088b7fc0e7a85681e7John McCall unsigned NumArgs, 27744ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const TemplateArgument *Args) const { 2775aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor assert((!NNS || NNS->isDependent()) && 2776aa2187de137e5b809dcbbe14f3b61ae907a3d8aaDouglas Gregor "nested-name-specifier must be dependent"); 27771734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2778789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor llvm::FoldingSetNodeID ID; 277933500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType::Profile(ID, *this, Keyword, NNS, 278033500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args); 2781789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 2782789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor void *InsertPos = 0; 278333500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationType *T 278433500955d731c73717af52088b7fc0e7a85681e7John McCall = DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 2785789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor if (T) 2786789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor return QualType(T, 0); 2787789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 278833500955d731c73717af52088b7fc0e7a85681e7John McCall NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 278933500955d731c73717af52088b7fc0e7a85681e7John McCall 279033500955d731c73717af52088b7fc0e7a85681e7John McCall ElaboratedTypeKeyword CanonKeyword = Keyword; 279133500955d731c73717af52088b7fc0e7a85681e7John McCall if (Keyword == ETK_None) CanonKeyword = ETK_Typename; 27921734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 279333500955d731c73717af52088b7fc0e7a85681e7John McCall bool AnyNonCanonArgs = false; 27945f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<TemplateArgument, 16> CanonArgs(NumArgs); 279533500955d731c73717af52088b7fc0e7a85681e7John McCall for (unsigned I = 0; I != NumArgs; ++I) { 279633500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs[I] = getCanonicalTemplateArgument(Args[I]); 279733500955d731c73717af52088b7fc0e7a85681e7John McCall if (!CanonArgs[I].structurallyEquals(Args[I])) 279833500955d731c73717af52088b7fc0e7a85681e7John McCall AnyNonCanonArgs = true; 2799789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor } 28001734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 280133500955d731c73717af52088b7fc0e7a85681e7John McCall QualType Canon; 280233500955d731c73717af52088b7fc0e7a85681e7John McCall if (AnyNonCanonArgs || CanonNNS != NNS || CanonKeyword != Keyword) { 280333500955d731c73717af52088b7fc0e7a85681e7John McCall Canon = getDependentTemplateSpecializationType(CanonKeyword, CanonNNS, 280433500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, 280533500955d731c73717af52088b7fc0e7a85681e7John McCall CanonArgs.data()); 280633500955d731c73717af52088b7fc0e7a85681e7John McCall 280733500955d731c73717af52088b7fc0e7a85681e7John McCall // Find the insert position again. 280833500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.FindNodeOrInsertPos(ID, InsertPos); 280933500955d731c73717af52088b7fc0e7a85681e7John McCall } 281033500955d731c73717af52088b7fc0e7a85681e7John McCall 281133500955d731c73717af52088b7fc0e7a85681e7John McCall void *Mem = Allocate((sizeof(DependentTemplateSpecializationType) + 281233500955d731c73717af52088b7fc0e7a85681e7John McCall sizeof(TemplateArgument) * NumArgs), 281333500955d731c73717af52088b7fc0e7a85681e7John McCall TypeAlignment); 2814ef99001908e799c388f1363b1e607dad5f5b57d3John McCall T = new (Mem) DependentTemplateSpecializationType(Keyword, NNS, 281533500955d731c73717af52088b7fc0e7a85681e7John McCall Name, NumArgs, Args, Canon); 28161734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor Types.push_back(T); 281733500955d731c73717af52088b7fc0e7a85681e7John McCall DependentTemplateSpecializationTypes.InsertNode(T, InsertPos); 28181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return QualType(T, 0); 28191734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor} 28201734317845d60307d474b5da8a8d33adbaf5e723Douglas Gregor 2821cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas GregorQualType ASTContext::getPackExpansionType(QualType Pattern, 2822cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor llvm::Optional<unsigned> NumExpansions) { 28237536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor llvm::FoldingSetNodeID ID; 2824cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor PackExpansionType::Profile(ID, Pattern, NumExpansions); 28257536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 28267536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor assert(Pattern->containsUnexpandedParameterPack() && 28277536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor "Pack expansions must expand one or more parameter packs"); 28287536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor void *InsertPos = 0; 28297536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionType *T 28307536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor = PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 28317536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (T) 28327536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 28337536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 28347536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor QualType Canon; 28357536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor if (!Pattern.isCanonical()) { 2836cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor Canon = getPackExpansionType(getCanonicalType(Pattern), NumExpansions); 28377536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 28387536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor // Find the insert position again. 28397536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.FindNodeOrInsertPos(ID, InsertPos); 28407536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor } 28417536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 2842cded4f649cd4b7ba7d461c25c6482ef52b8d3a2aDouglas Gregor T = new (*this) PackExpansionType(Pattern, Canon, NumExpansions); 28437536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor Types.push_back(T); 28447536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor PackExpansionTypes.InsertNode(T, InsertPos); 28457536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor return QualType(T, 0); 28467536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor} 28477536dd5e6c99584481b7dab68b7e7d8df9c54054Douglas Gregor 284888cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// CmpProtocolNames - Comparison predicate for sorting protocols 284988cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner/// alphabetically. 285088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattnerstatic bool CmpProtocolNames(const ObjCProtocolDecl *LHS, 285188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner const ObjCProtocolDecl *RHS) { 28522e1cd4264d363ca869bf37ef160902f211d21b8cDouglas Gregor return LHS->getDeclName() < RHS->getDeclName(); 285388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 285488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2855c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallstatic bool areSortedAndUniqued(ObjCProtocolDecl * const *Protocols, 285654e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned NumProtocols) { 285754e14c4db764c0636160d26c5bbf491637c83a76John McCall if (NumProtocols == 0) return true; 285854e14c4db764c0636160d26c5bbf491637c83a76John McCall 285961cc296de6c1f82fa84c0abb3ecd142a584838efDouglas Gregor if (Protocols[0]->getCanonicalDecl() != Protocols[0]) 286061cc296de6c1f82fa84c0abb3ecd142a584838efDouglas Gregor return false; 286161cc296de6c1f82fa84c0abb3ecd142a584838efDouglas Gregor 286254e14c4db764c0636160d26c5bbf491637c83a76John McCall for (unsigned i = 1; i != NumProtocols; ++i) 286361cc296de6c1f82fa84c0abb3ecd142a584838efDouglas Gregor if (!CmpProtocolNames(Protocols[i-1], Protocols[i]) || 286461cc296de6c1f82fa84c0abb3ecd142a584838efDouglas Gregor Protocols[i]->getCanonicalDecl() != Protocols[i]) 286554e14c4db764c0636160d26c5bbf491637c83a76John McCall return false; 286654e14c4db764c0636160d26c5bbf491637c83a76John McCall return true; 286754e14c4db764c0636160d26c5bbf491637c83a76John McCall} 286854e14c4db764c0636160d26c5bbf491637c83a76John McCall 286954e14c4db764c0636160d26c5bbf491637c83a76John McCallstatic void SortAndUniqueProtocols(ObjCProtocolDecl **Protocols, 287088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner unsigned &NumProtocols) { 287188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ObjCProtocolDecl **ProtocolsEnd = Protocols+NumProtocols; 28721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 287388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Sort protocols, keyed by name. 287488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner std::sort(Protocols, Protocols+NumProtocols, CmpProtocolNames); 287588cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 287661cc296de6c1f82fa84c0abb3ecd142a584838efDouglas Gregor // Canonicalize. 287761cc296de6c1f82fa84c0abb3ecd142a584838efDouglas Gregor for (unsigned I = 0, N = NumProtocols; I != N; ++I) 287861cc296de6c1f82fa84c0abb3ecd142a584838efDouglas Gregor Protocols[I] = Protocols[I]->getCanonicalDecl(); 287961cc296de6c1f82fa84c0abb3ecd142a584838efDouglas Gregor 288088cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner // Remove duplicates. 288188cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner ProtocolsEnd = std::unique(Protocols, ProtocolsEnd); 288288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner NumProtocols = ProtocolsEnd-Protocols; 288388cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner} 288488cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2885c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallQualType ASTContext::getObjCObjectType(QualType BaseType, 2886c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCProtocolDecl * const *Protocols, 28874ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned NumProtocols) const { 2888c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If the base type is an interface and there aren't any protocols 2889c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // to add, then the interface type will do just fine. 2890c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!NumProtocols && isa<ObjCInterfaceType>(BaseType)) 2891c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return BaseType; 2892d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2893c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Look in the folding set for an existing type. 2894c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall llvm::FoldingSetNodeID ID; 2895c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl::Profile(ID, BaseType, Protocols, NumProtocols); 2896d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff void *InsertPos = 0; 2897c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectType *QT = ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos)) 2898c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(QT, 0); 2899d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff 2900c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Build the canonical type, which has the canonical base type and 2901c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // a sorted-and-uniqued list of protocols. 290254e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2903c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall bool ProtocolsSorted = areSortedAndUniqued(Protocols, NumProtocols); 2904c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted || !BaseType.isCanonical()) { 2905c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ProtocolsSorted) { 29065f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<ObjCProtocolDecl*, 8> Sorted(Protocols, 29070237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer Protocols + NumProtocols); 290854e14c4db764c0636160d26c5bbf491637c83a76John McCall unsigned UniqueCount = NumProtocols; 290954e14c4db764c0636160d26c5bbf491637c83a76John McCall 291054e14c4db764c0636160d26c5bbf491637c83a76John McCall SortAndUniqueProtocols(&Sorted[0], UniqueCount); 2911c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2912c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall &Sorted[0], UniqueCount); 291354e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 2914c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectType(getCanonicalType(BaseType), 2915c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Protocols, NumProtocols); 291654e14c4db764c0636160d26c5bbf491637c83a76John McCall } 291754e14c4db764c0636160d26c5bbf491637c83a76John McCall 291854e14c4db764c0636160d26c5bbf491637c83a76John McCall // Regenerate InsertPos. 2919c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.FindNodeOrInsertPos(ID, InsertPos); 292054e14c4db764c0636160d26c5bbf491637c83a76John McCall } 292154e14c4db764c0636160d26c5bbf491637c83a76John McCall 2922c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall unsigned Size = sizeof(ObjCObjectTypeImpl); 2923c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Size += NumProtocols * sizeof(ObjCProtocolDecl *); 2924fd6a0887a099256c35a5b23e9afd517ffe95fa0aDouglas Gregor void *Mem = Allocate(Size, TypeAlignment); 2925c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypeImpl *T = 2926c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectTypeImpl(Canonical, BaseType, Protocols, NumProtocols); 29271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2928c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Types.push_back(T); 2929c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectTypes.InsertNode(T, InsertPos); 2930c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return QualType(T, 0); 2931d1b3c2dd5bc1f3103bee6137957aa7c5f8f2f0bcSteve Naroff} 293288cb27a160adc305783a44f922ee4b216006ebf9Chris Lattner 2933c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// getObjCObjectPointerType - Return a ObjCObjectPointerType type for 2934c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall/// the given object type. 29354ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getObjCObjectPointerType(QualType ObjectT) const { 29364b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian llvm::FoldingSetNodeID ID; 2937c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType::Profile(ID, ObjectT); 29381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 29394b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian void *InsertPos = 0; 2940c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (ObjCObjectPointerType *QT = 2941c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos)) 29424b6c9051c6522894978c9ba6a819a659d102db36Fariborz Jahanian return QualType(QT, 0); 29431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2944c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Find the canonical object type. 294554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Canonical; 2946c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!ObjectT.isCanonical()) { 2947c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Canonical = getObjCObjectPointerType(getCanonicalType(ObjectT)); 294854e14c4db764c0636160d26c5bbf491637c83a76John McCall 2949c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Regenerate InsertPos. 2950c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.FindNodeOrInsertPos(ID, InsertPos); 295154e14c4db764c0636160d26c5bbf491637c83a76John McCall } 295254e14c4db764c0636160d26c5bbf491637c83a76John McCall 2953c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // No match. 2954c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall void *Mem = Allocate(sizeof(ObjCObjectPointerType), TypeAlignment); 2955c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerType *QType = 2956c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall new (Mem) ObjCObjectPointerType(Canonical, ObjectT); 295724fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 295824fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis Types.push_back(QType); 2959c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall ObjCObjectPointerTypes.InsertNode(QType, InsertPos); 296024fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis return QualType(QType, 0); 296124fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis} 296224fab41057e4b67ed69a6b4027d5ae0f2f6934dcArgyrios Kyrtzidis 2963deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// getObjCInterfaceType - Return the unique reference to the type for the 2964deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor/// specified ObjC interface decl. The list of protocols is optional. 29650af550115df1f57f17a4f125ff0e8b34820c65d1Douglas GregorQualType ASTContext::getObjCInterfaceType(const ObjCInterfaceDecl *Decl, 29660af550115df1f57f17a4f125ff0e8b34820c65d1Douglas Gregor ObjCInterfaceDecl *PrevDecl) const { 2967deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor if (Decl->TypeForDecl) 2968deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(Decl->TypeForDecl, 0); 296974c730ad1f6818b676b0bad46d806a9176950328Sebastian Redl 29700af550115df1f57f17a4f125ff0e8b34820c65d1Douglas Gregor if (PrevDecl) { 29710af550115df1f57f17a4f125ff0e8b34820c65d1Douglas Gregor assert(PrevDecl->TypeForDecl && "previous decl has no TypeForDecl"); 29720af550115df1f57f17a4f125ff0e8b34820c65d1Douglas Gregor Decl->TypeForDecl = PrevDecl->TypeForDecl; 29730af550115df1f57f17a4f125ff0e8b34820c65d1Douglas Gregor return QualType(PrevDecl->TypeForDecl, 0); 29740af550115df1f57f17a4f125ff0e8b34820c65d1Douglas Gregor } 29750af550115df1f57f17a4f125ff0e8b34820c65d1Douglas Gregor 29768d2dbbf9ddfd9d762a341d83f83d840ff68ce03dDouglas Gregor // Prefer the definition, if there is one. 29778d2dbbf9ddfd9d762a341d83f83d840ff68ce03dDouglas Gregor if (const ObjCInterfaceDecl *Def = Decl->getDefinition()) 29788d2dbbf9ddfd9d762a341d83f83d840ff68ce03dDouglas Gregor Decl = Def; 29798d2dbbf9ddfd9d762a341d83f83d840ff68ce03dDouglas Gregor 2980deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor void *Mem = Allocate(sizeof(ObjCInterfaceType), TypeAlignment); 2981deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor ObjCInterfaceType *T = new (Mem) ObjCInterfaceType(Decl); 2982deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Decl->TypeForDecl = T; 2983deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor Types.push_back(T); 2984deacbdca554298ccdf636f19c6094a8825ec6b34Douglas Gregor return QualType(T, 0); 2985c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall} 2986c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 298772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// getTypeOfExprType - Unlike many "get<Type>" functions, we can't unique 298872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor/// TypeOfExprType AST's (since expression's are never shared). For example, 29899752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// multiple declarations that refer to "typeof(x)" all contain different 29901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// DeclRefExpr's. This doesn't effect the type checker, since it operates 29919752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 29924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfExprType(Expr *tofExpr) const { 2993dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor TypeOfExprType *toe; 2994b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (tofExpr->isTypeDependent()) { 2995b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor llvm::FoldingSetNodeID ID; 2996b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType::Profile(ID, *this, tofExpr); 29971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 2998b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor void *InsertPos = 0; 2999b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprType *Canon 3000b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor = DependentTypeOfExprTypes.FindNodeOrInsertPos(ID, InsertPos); 3001b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor if (Canon) { 3002b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // We already have a "canonical" version of an identical, dependent 3003b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // typeof(expr) type. Use that as our canonical type. 30046b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, 3005b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor QualType((TypeOfExprType*)Canon, 0)); 30063060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 3007b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor // Build a new, canonical typeof(expr) type. 30086b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon 30096b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall = new (*this, TypeAlignment) DependentTypeOfExprType(*this, tofExpr); 3010b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor DependentTypeOfExprTypes.InsertNode(Canon, InsertPos); 3011b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor toe = Canon; 3012b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } 3013b197572cf1cd70a817a1f546478cb2cb9112c48eDouglas Gregor } else { 3014dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor QualType Canonical = getCanonicalType(tofExpr->getType()); 30156b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall toe = new (*this, TypeAlignment) TypeOfExprType(tofExpr, Canonical); 3016dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 30179752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(toe); 30189752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(toe, 0); 3019d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 3020d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 30219752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// getTypeOfType - Unlike many "get<Type>" functions, we don't unique 30229752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// TypeOfType AST's. The only motivation to unique these nodes would be 30239752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// memory savings. Since typeof(t) is fairly uncommon, space shouldn't be 30241eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 30259752f25748d954df99087d741ea35db37ff16beaSteve Naroff/// on canonical type's (which are always unique). 30264ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTypeOfType(QualType tofType) const { 3027f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner QualType Canonical = getCanonicalType(tofType); 30286b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall TypeOfType *tot = new (*this, TypeAlignment) TypeOfType(tofType, Canonical); 30299752f25748d954df99087d741ea35db37ff16beaSteve Naroff Types.push_back(tot); 30309752f25748d954df99087d741ea35db37ff16beaSteve Naroff return QualType(tot, 0); 3031d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff} 3032d1861fd633d5096a00777c918eb8575ea7162fe7Steve Naroff 303360a9a2a404a4cf259d39133383e922aa00ca9043Anders Carlsson 3034395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// getDecltypeType - Unlike many "get<Type>" functions, we don't unique 3035395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// DecltypeType AST's. The only motivation to unique these nodes would be 3036395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson/// memory savings. Since decltype(t) is fairly uncommon, space shouldn't be 30371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// an issue. This doesn't effect the type checker, since it operates 303839e02032b01874a0d02ba85a4cd3922adda81376David Blaikie/// on canonical types (which are always unique). 3039f8af98286022f72157d84951b48fde5fb369ab29Douglas GregorQualType ASTContext::getDecltypeType(Expr *e, QualType UnderlyingType) const { 3040dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor DecltypeType *dt; 3041561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor 3042561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // C++0x [temp.type]p2: 3043561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // If an expression e involves a template parameter, decltype(e) denotes a 3044561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // unique dependent type. Two such decltype-specifiers refer to the same 3045561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor // type only if their expressions are equivalent (14.5.6.1). 3046561f81243f665cf2001caadc45df505f826b72d6Douglas Gregor if (e->isInstantiationDependent()) { 30479d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor llvm::FoldingSetNodeID ID; 30489d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType::Profile(ID, *this, e); 30491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 30509d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor void *InsertPos = 0; 30519d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeType *Canon 30529d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor = DependentDecltypeTypes.FindNodeOrInsertPos(ID, InsertPos); 30539d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor if (Canon) { 30549d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // We already have a "canonical" version of an equivalent, dependent 30559d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // decltype type. Use that as our canonical type. 30566b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall dt = new (*this, TypeAlignment) DecltypeType(e, DependentTy, 30579d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor QualType((DecltypeType*)Canon, 0)); 30583060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 30599d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor // Build a new, canonical typeof(expr) type. 30606b304a0254a13f42390b865ff5ba668a49cc58aeJohn McCall Canon = new (*this, TypeAlignment) DependentDecltypeType(*this, e); 30619d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor DependentDecltypeTypes.InsertNode(Canon, InsertPos); 30629d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor dt = Canon; 30639d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } 30649d702ae1cd5cfa19d884cbef77e1df99395138bbDouglas Gregor } else { 3065f8af98286022f72157d84951b48fde5fb369ab29Douglas Gregor dt = new (*this, TypeAlignment) DecltypeType(e, UnderlyingType, 3066f8af98286022f72157d84951b48fde5fb369ab29Douglas Gregor getCanonicalType(UnderlyingType)); 3067dd0257c77719a13d4acd513df40b04300cbfc871Douglas Gregor } 3068395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson Types.push_back(dt); 3069395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson return QualType(dt, 0); 3070395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson} 3071395b475a4474f1c7574d927ad142ca0c7997cbcaAnders Carlsson 3072ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// getUnaryTransformationType - We don't unique these, since the memory 3073ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt/// savings are minimal and these are rare. 3074ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean HuntQualType ASTContext::getUnaryTransformType(QualType BaseType, 3075ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt QualType UnderlyingType, 3076ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType::UTTKind Kind) 3077ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt const { 3078ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt UnaryTransformType *Ty = 307969d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor new (*this, TypeAlignment) UnaryTransformType (BaseType, UnderlyingType, 308069d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor Kind, 308169d9775da47a4b9f165dbc33277f02982928a94eDouglas Gregor UnderlyingType->isDependentType() ? 308212fc4b0624706b474fa10308631fa8daf92f340fPeter Collingbourne QualType() : getCanonicalType(UnderlyingType)); 3083ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt Types.push_back(Ty); 3084ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt return QualType(Ty, 0); 3085ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt} 3086ca63c200346c0ca9e00194ec6e34a5a7b0ed9321Sean Hunt 3087483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith/// getAutoType - We only unique auto types after they've been deduced. 308834b41d939a1328f484511c6002ba2456db879a29Richard SmithQualType ASTContext::getAutoType(QualType DeducedType) const { 3089483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith void *InsertPos = 0; 3090483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (!DeducedType.isNull()) { 3091483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith // Look in the folding set for an existing type. 3092483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith llvm::FoldingSetNodeID ID; 3093483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType::Profile(ID, DeducedType); 3094483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (AutoType *AT = AutoTypes.FindNodeOrInsertPos(ID, InsertPos)) 3095483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 3096483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith } 3097483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith 3098483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoType *AT = new (*this, TypeAlignment) AutoType(DeducedType); 3099483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith Types.push_back(AT); 3100483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith if (InsertPos) 3101483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith AutoTypes.InsertNode(AT, InsertPos); 3102483b9f3bc05c5409e2c6643f1c9d91e21c8ff9d2Richard Smith return QualType(AT, 0); 310334b41d939a1328f484511c6002ba2456db879a29Richard Smith} 310434b41d939a1328f484511c6002ba2456db879a29Richard Smith 3105b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman/// getAtomicType - Return the uniqued reference to the atomic type for 3106b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman/// the given value type. 3107b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli FriedmanQualType ASTContext::getAtomicType(QualType T) const { 3108b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // Unique pointers, to guarantee there is only one pointer of a particular 3109b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // structure. 3110b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman llvm::FoldingSetNodeID ID; 3111b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman AtomicType::Profile(ID, T); 3112b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 3113b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman void *InsertPos = 0; 3114b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (AtomicType *AT = AtomicTypes.FindNodeOrInsertPos(ID, InsertPos)) 3115b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return QualType(AT, 0); 3116b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 3117b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // If the atomic value type isn't canonical, this won't be a canonical type 3118b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // either, so fill in the canonical type field. 3119b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType Canonical; 3120b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (!T.isCanonical()) { 3121b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman Canonical = getAtomicType(getCanonicalType(T)); 3122b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 3123b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // Get the new insert position for the node we care about. 3124b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman AtomicType *NewIP = AtomicTypes.FindNodeOrInsertPos(ID, InsertPos); 3125b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman assert(NewIP == 0 && "Shouldn't be in the map!"); (void)NewIP; 3126b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 3127b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman AtomicType *New = new (*this, TypeAlignment) AtomicType(T, Canonical); 3128b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman Types.push_back(New); 3129b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman AtomicTypes.InsertNode(New, InsertPos); 3130b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return QualType(New, 0); 3131b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman} 3132b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman 3133ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoDeductType - Get type pattern for deducing against 'auto'. 3134ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoDeductType() const { 3135ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoDeductTy.isNull()) 3136ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoDeductTy = getAutoType(QualType()); 3137ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoDeductTy.isNull() && "can't build 'auto' pattern"); 3138ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoDeductTy; 3139ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 3140ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 3141ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith/// getAutoRRefDeductType - Get type pattern for deducing against 'auto &&'. 3142ad762fcdc16b9e4705b12b09d92b8c026212b906Richard SmithQualType ASTContext::getAutoRRefDeductType() const { 3143ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith if (AutoRRefDeductTy.isNull()) 3144ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith AutoRRefDeductTy = getRValueReferenceType(getAutoDeductType()); 3145ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith assert(!AutoRRefDeductTy.isNull() && "can't build 'auto &&' pattern"); 3146ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith return AutoRRefDeductTy; 3147ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith} 3148ad762fcdc16b9e4705b12b09d92b8c026212b906Richard Smith 31495f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getTagDeclType - Return the unique reference to the type for the 31505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// specified TagDecl (struct/union/class/enum) decl. 31514ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getTagDeclType(const TagDecl *Decl) const { 3152d778f88d32b96a74c9edb7342c81357606a7cdc0Ted Kremenek assert (Decl); 3153e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // FIXME: What is the design on getTagDeclType when it requires casting 3154e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump // away const? mutable? 3155e607ed068334bacb8d7b093996b4671c6ca79e25Mike Stump return getTypeDeclType(const_cast<TagDecl*>(Decl)); 31565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 31575f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 31581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getSizeType - Return the unique type for "size_t" (C99 7.17), the result 31591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// of the sizeof operator (C99 6.5.3.4p4). The value is target dependent and 31601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// needs to agree with the definition in <stddef.h>. 3161a3ccda58913cc1a4b8564e349448b12acc462da7Anders CarlssonCanQualType ASTContext::getSizeType() const { 3162bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor return getFromTargetType(Target->getSizeType()); 31635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 31645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 316529e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg/// getIntMaxType - Return the unique type for "intmax_t" (C99 7.18.1.5). 316629e97cb35fab314388f62b68fefa78947e93c1dcHans WennborgCanQualType ASTContext::getIntMaxType() const { 316729e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg return getFromTargetType(Target->getIntMaxType()); 316829e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg} 316929e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg 317029e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg/// getUIntMaxType - Return the unique type for "uintmax_t" (C99 7.18.1.5). 317129e97cb35fab314388f62b68fefa78947e93c1dcHans WennborgCanQualType ASTContext::getUIntMaxType() const { 317229e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg return getFromTargetType(Target->getUIntMaxType()); 317329e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg} 317429e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg 317564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getSignedWCharType - Return the type of "signed wchar_t". 317664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 317764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getSignedWCharType() const { 317864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 317964c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return WCharTy; 318064c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 318164c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 318264c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// getUnsignedWCharType - Return the type of "unsigned wchar_t". 318364c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis/// Used when in C++, as a GCC extension. 318464c438a4be2a871fa43c78264663ba1e9788b94dArgyrios KyrtzidisQualType ASTContext::getUnsignedWCharType() const { 318564c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis // FIXME: derive from "Target" ? 318664c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis return UnsignedIntTy; 318764c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis} 318864c438a4be2a871fa43c78264663ba1e9788b94dArgyrios Kyrtzidis 318929e97cb35fab314388f62b68fefa78947e93c1dcHans Wennborg/// getPointerDiffType - Return the unique type for "ptrdiff_t" (C99 7.17) 31908b9023ba35a86838789e2c9034a6128728c547aaChris Lattner/// defined in <stddef.h>. Pointer - pointer requires this (C99 6.5.6p9). 31918b9023ba35a86838789e2c9034a6128728c547aaChris LattnerQualType ASTContext::getPointerDiffType() const { 3192bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor return getFromTargetType(Target->getPtrDiffType(0)); 31938b9023ba35a86838789e2c9034a6128728c547aaChris Lattner} 31948b9023ba35a86838789e2c9034a6128728c547aaChris Lattner 3195e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 3196e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner// Type Operators 3197e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner//===----------------------------------------------------------------------===// 3198e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 31994ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCanQualType ASTContext::getCanonicalParamType(QualType T) const { 320054e14c4db764c0636160d26c5bbf491637c83a76John McCall // Push qualifiers into arrays, and then discard any remaining 320154e14c4db764c0636160d26c5bbf491637c83a76John McCall // qualifiers. 320254e14c4db764c0636160d26c5bbf491637c83a76John McCall T = getCanonicalType(T); 3203745da3a5bb4ea35f93f50301e7fbbb7d78d3b6bbFariborz Jahanian T = getVariableArrayDecayedType(T); 320454e14c4db764c0636160d26c5bbf491637c83a76John McCall const Type *Ty = T.getTypePtr(); 320554e14c4db764c0636160d26c5bbf491637c83a76John McCall QualType Result; 320654e14c4db764c0636160d26c5bbf491637c83a76John McCall if (isa<ArrayType>(Ty)) { 320754e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getArrayDecayedType(QualType(Ty,0)); 320854e14c4db764c0636160d26c5bbf491637c83a76John McCall } else if (isa<FunctionType>(Ty)) { 320954e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = getPointerType(QualType(Ty, 0)); 321054e14c4db764c0636160d26c5bbf491637c83a76John McCall } else { 321154e14c4db764c0636160d26c5bbf491637c83a76John McCall Result = QualType(Ty, 0); 321254e14c4db764c0636160d26c5bbf491637c83a76John McCall } 321354e14c4db764c0636160d26c5bbf491637c83a76John McCall 321454e14c4db764c0636160d26c5bbf491637c83a76John McCall return CanQualType::CreateUnsafe(Result); 321554e14c4db764c0636160d26c5bbf491637c83a76John McCall} 321654e14c4db764c0636160d26c5bbf491637c83a76John McCall 321762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCallQualType ASTContext::getUnqualifiedArrayType(QualType type, 321862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall Qualifiers &quals) { 321962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall SplitQualType splitType = type.getSplitUnqualifiedType(); 322062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 322162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // FIXME: getSplitUnqualifiedType() actually walks all the way to 322262c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // the unqualified desugared type and then drops it on the floor. 322362c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // We then have to strip that sugar back off with 322462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // getUnqualifiedDesugaredType(), which is silly. 322562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall const ArrayType *AT = 3226200fa53fd420aa8369586f569dbece04930ad6a3John McCall dyn_cast<ArrayType>(splitType.Ty->getUnqualifiedDesugaredType()); 322762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 322862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If we don't have an array, just use the results in splitType. 32299dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (!AT) { 3230200fa53fd420aa8369586f569dbece04930ad6a3John McCall quals = splitType.Quals; 3231200fa53fd420aa8369586f569dbece04930ad6a3John McCall return QualType(splitType.Ty, 0); 323228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 323328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 323462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, recurse on the array's element type. 323562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType elementType = AT->getElementType(); 323662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall QualType unqualElementType = getUnqualifiedArrayType(elementType, quals); 323762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 323862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // If that didn't change the element type, AT has no qualifiers, so we 323962c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // can just use the results in splitType. 324062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall if (elementType == unqualElementType) { 324162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall assert(quals.empty()); // from the recursive call 3242200fa53fd420aa8369586f569dbece04930ad6a3John McCall quals = splitType.Quals; 3243200fa53fd420aa8369586f569dbece04930ad6a3John McCall return QualType(splitType.Ty, 0); 324462c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall } 324562c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall 324662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // Otherwise, add in the qualifiers from the outermost type, then 324762c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall // build the type back up. 3248200fa53fd420aa8369586f569dbece04930ad6a3John McCall quals.addConsistentQualifiers(splitType.Quals); 324928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 32509dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 325162c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getConstantArrayType(unqualElementType, CAT->getSize(), 325228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth CAT->getSizeModifier(), 0); 325328e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 325428e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 32559dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(AT)) { 325662c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getIncompleteArrayType(unqualElementType, IAT->getSizeModifier(), 0); 325728e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth } 325828e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 32599dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor if (const VariableArrayType *VAT = dyn_cast<VariableArrayType>(AT)) { 326062c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getVariableArrayType(unqualElementType, 32613fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 32629dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getSizeModifier(), 32639dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getIndexTypeCVRQualifiers(), 32649dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor VAT->getBracketsRange()); 32659dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor } 32669dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor 32679dadd94e1c17fa030d1f88d8f2113ff59ccc6714Douglas Gregor const DependentSizedArrayType *DSAT = cast<DependentSizedArrayType>(AT); 326862c28c831bbf207cc36e683e7c321fc33bf8928cJohn McCall return getDependentSizedArrayType(unqualElementType, DSAT->getSizeExpr(), 326928e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth DSAT->getSizeModifier(), 0, 327028e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth SourceRange()); 327128e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth} 327228e318cc6008c2bc008f0caee70dc736a03d6289Chandler Carruth 32735a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// UnwrapSimilarPointerTypes - If T1 and T2 are pointer types that 32745a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// may be similar (C++ 4.4), replaces T1 and T2 with the type that 32755a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// they point to and return true. If T1 and T2 aren't pointer types 32765a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// or pointer-to-member types, or if they are not similar at this 32775a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// level, returns false and leaves T1 and T2 unchanged. Top-level 32785a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// qualifiers on T1 and T2 are ignored. This function will typically 32795a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// be called in a loop that successively "unwraps" pointer and 32805a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor/// pointer-to-member types to compare them at each level. 32815a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregorbool ASTContext::UnwrapSimilarPointerTypes(QualType &T1, QualType &T2) { 32825a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const PointerType *T1PtrType = T1->getAs<PointerType>(), 32835a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2PtrType = T2->getAs<PointerType>(); 32845a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1PtrType && T2PtrType) { 32855a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1PtrType->getPointeeType(); 32865a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2PtrType->getPointeeType(); 32875a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 32885a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 32895a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 32905a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const MemberPointerType *T1MPType = T1->getAs<MemberPointerType>(), 32915a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2MPType = T2->getAs<MemberPointerType>(); 32925a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1MPType && T2MPType && 32935a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor hasSameUnqualifiedType(QualType(T1MPType->getClass(), 0), 32945a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor QualType(T2MPType->getClass(), 0))) { 32955a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1MPType->getPointeeType(); 32965a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2MPType->getPointeeType(); 32975a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 32985a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 32995a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 33004e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().ObjC1) { 33015a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor const ObjCObjectPointerType *T1OPType = T1->getAs<ObjCObjectPointerType>(), 33025a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor *T2OPType = T2->getAs<ObjCObjectPointerType>(); 33035a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor if (T1OPType && T2OPType) { 33045a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T1 = T1OPType->getPointeeType(); 33055a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor T2 = T2OPType->getPointeeType(); 33065a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return true; 33075a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 33085a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor } 33095a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 33105a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor // FIXME: Block pointers, too? 33115a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 33125a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor return false; 33135a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor} 33145a57efd7bf88a4a13018e0471ded8063a4abe8afDouglas Gregor 33154ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadDeclarationNameInfo 33164ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getNameForTemplate(TemplateName Name, 33174ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad SourceLocation NameLoc) const { 3318146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall switch (Name.getKind()) { 3319146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::QualifiedTemplate: 3320146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::Template: 33212577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: CHECKME: what about DNLoc? 3322146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(Name.getAsTemplateDecl()->getDeclName(), 3323146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 33242577743c5650c646fb705df01403707e94f2df04Abramo Bagnara 3325146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::OverloadedTemplate: { 3326146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall OverloadedTemplateStorage *Storage = Name.getAsOverloadedTemplate(); 3327146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall // DNInfo work in progress: CHECKME: what about DNLoc? 3328146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo((*Storage->begin())->getDeclName(), NameLoc); 3329146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3330146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3331146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::DependentTemplate: { 3332146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 33332577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationName DName; 333480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall if (DTN->isIdentifier()) { 33352577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getIdentifier(DTN->getIdentifier()); 33362577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc); 333780ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } else { 33382577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DName = DeclarationNames.getCXXOperatorName(DTN->getOperator()); 33392577743c5650c646fb705df01403707e94f2df04Abramo Bagnara // DNInfo work in progress: FIXME: source locations? 33402577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DeclarationNameLoc DNLoc; 33412577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.BeginOpNameLoc = SourceLocation().getRawEncoding(); 33422577743c5650c646fb705df01403707e94f2df04Abramo Bagnara DNLoc.CXXOperatorName.EndOpNameLoc = SourceLocation().getRawEncoding(); 33432577743c5650c646fb705df01403707e94f2df04Abramo Bagnara return DeclarationNameInfo(DName, NameLoc, DNLoc); 334480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 334580ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall } 334680ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 3347146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParm: { 3348146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 3349146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParm(); 3350146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(subst->getParameter()->getDeclName(), 3351146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 3352146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3353146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3354146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParmPack: { 3355146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmPackStorage *subst 3356146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParmPack(); 3357146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DeclarationNameInfo(subst->getParameterPack()->getDeclName(), 3358146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall NameLoc); 3359146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3360146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3361146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3362146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("bad template name kind!"); 336380ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall} 336480ad16f4b2b350ddbaae21a52975e63df5aafc2cJohn McCall 33654ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName ASTContext::getCanonicalTemplateName(TemplateName Name) const { 3366146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall switch (Name.getKind()) { 3367146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::QualifiedTemplate: 3368146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::Template: { 3369146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateDecl *Template = Name.getAsTemplateDecl(); 33703e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor if (TemplateTemplateParmDecl *TTP 3371146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = dyn_cast<TemplateTemplateParmDecl>(Template)) 33723e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor Template = getCanonicalTemplateTemplateParmDecl(TTP); 33733e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor 33743e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor // The canonical template name is the canonical template declaration. 337597fbaa2a38804268a024f1a104b43fcf8b4411b0Argyrios Kyrtzidis return TemplateName(cast<TemplateDecl>(Template->getCanonicalDecl())); 33763e1274f2b99cb99c03cc8e2c6517c37d330b597aDouglas Gregor } 337725a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 3378146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::OverloadedTemplate: 3379146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("cannot canonicalize overloaded template"); 3380146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3381146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::DependentTemplate: { 3382146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall DependentTemplateName *DTN = Name.getAsDependentTemplateName(); 3383146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall assert(DTN && "Non-dependent template names must refer to template decls."); 3384146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return DTN->CanonicalTemplateName; 3385146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3386146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3387146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParm: { 3388146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 3389146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParm(); 3390146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return getCanonicalTemplateName(subst->getReplacement()); 33911aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 33921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3393146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall case TemplateName::SubstTemplateTemplateParmPack: { 3394146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmPackStorage *subst 3395146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = Name.getAsSubstTemplateTemplateParmPack(); 3396146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateTemplateParmDecl *canonParameter 3397146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = getCanonicalTemplateTemplateParmDecl(subst->getParameterPack()); 3398146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateArgument canonArgPack 3399146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = getCanonicalTemplateArgument(subst->getArgumentPack()); 3400146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return getSubstTemplateTemplateParmPack(canonParameter, canonArgPack); 3401146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3402146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 3403146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 3404146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm_unreachable("bad template name!"); 340525a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor} 340625a3ef7cc5fd55dc8cc67c6e6770c8595657e082Douglas Gregor 3407db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregorbool ASTContext::hasSameTemplateName(TemplateName X, TemplateName Y) { 3408db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor X = getCanonicalTemplateName(X); 3409db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor Y = getCanonicalTemplateName(Y); 3410db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor return X.getAsVoidPointer() == Y.getAsVoidPointer(); 3411db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor} 3412db0d4b751e83b8841b8f48f913f17e50467f13d4Douglas Gregor 34131eb4433ac451dc16f4133a88af2d002ac26c58efMike StumpTemplateArgument 34144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalTemplateArgument(const TemplateArgument &Arg) const { 34151275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor switch (Arg.getKind()) { 34161275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Null: 34171275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 34181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34191275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Expression: 34201275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor return Arg; 34211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3422d2008e2c80d6c9282044ec873a937a17a0f33579Douglas Gregor case TemplateArgument::Declaration: { 3423d2008e2c80d6c9282044ec873a937a17a0f33579Douglas Gregor if (Decl *D = Arg.getAsDecl()) 3424d2008e2c80d6c9282044ec873a937a17a0f33579Douglas Gregor return TemplateArgument(D->getCanonicalDecl()); 3425d2008e2c80d6c9282044ec873a937a17a0f33579Douglas Gregor return TemplateArgument((Decl*)0); 3426d2008e2c80d6c9282044ec873a937a17a0f33579Douglas Gregor } 34271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3428788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor case TemplateArgument::Template: 3429788cd06cf8e868a67158aafec5de3a1f408d14f3Douglas Gregor return TemplateArgument(getCanonicalTemplateName(Arg.getAsTemplate())); 3430a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 3431a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor case TemplateArgument::TemplateExpansion: 3432a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor return TemplateArgument(getCanonicalTemplateName( 3433a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor Arg.getAsTemplateOrTemplatePattern()), 34342be29f423acad3bbe39099a78db2805acb5bdf17Douglas Gregor Arg.getNumTemplateExpansions()); 3435a7fc901a2e39bfe55bfcff5934b2d9fdf9656491Douglas Gregor 34361275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Integral: 3437855243789cb44799c03f4c7216d3d6308805f549Benjamin Kramer return TemplateArgument(Arg, getCanonicalType(Arg.getIntegralType())); 34381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34391275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Type: 3440833ca991c1bfc967f0995974ca86f66ba1f666b5John McCall return TemplateArgument(getCanonicalType(Arg.getAsType())); 34411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 34421275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor case TemplateArgument::Pack: { 344387dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor if (Arg.pack_size() == 0) 344487dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor return Arg; 344587dd697dcc8ecb64df73ae64d61b8c80ff0c157cDouglas Gregor 3446910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgument *CanonArgs 3447910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor = new (*this) TemplateArgument[Arg.pack_size()]; 34481275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor unsigned Idx = 0; 34491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (TemplateArgument::pack_iterator A = Arg.pack_begin(), 34501275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor AEnd = Arg.pack_end(); 34511275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor A != AEnd; (void)++A, ++Idx) 34521275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor CanonArgs[Idx] = getCanonicalTemplateArgument(*A); 34531eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3454910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor return TemplateArgument(CanonArgs, Arg.pack_size()); 34551275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 34561275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor } 34571275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 34581275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor // Silence GCC warning 3459b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Unhandled template argument kind"); 34601275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor} 34611275ae098acda31fe0e434510c729fcfed0458a1Douglas Gregor 3462d57959af02b4af695276f4204443afe6e5d86bd8Douglas GregorNestedNameSpecifier * 34634ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getCanonicalNestedNameSpecifier(NestedNameSpecifier *NNS) const { 34641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (!NNS) 3465d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return 0; 3466d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3467d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor switch (NNS->getKind()) { 3468d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Identifier: 3469d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // Canonicalize the prefix but keep the identifier the same. 34701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return NestedNameSpecifier::Create(*this, 3471d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor getCanonicalNestedNameSpecifier(NNS->getPrefix()), 3472d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor NNS->getAsIdentifier()); 3473d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3474d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Namespace: 3475d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 3476d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // this namespace and no prefix. 347714aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 347814aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespace()->getOriginalNamespace()); 347914aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor 348014aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor case NestedNameSpecifier::NamespaceAlias: 348114aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // A namespace is canonical; build a nested-name-specifier with 348214aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor // this namespace and no prefix. 348314aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor return NestedNameSpecifier::Create(*this, 0, 348414aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor NNS->getAsNamespaceAlias()->getNamespace() 348514aba76042e041b2c5e439bf4ae353a0a3c7fd73Douglas Gregor ->getOriginalNamespace()); 3486d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3487d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpec: 3488d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::TypeSpecWithTemplate: { 3489d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor QualType T = getCanonicalType(QualType(NNS->getAsType(), 0)); 3490264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 3491264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // If we have some kind of dependent-named type (e.g., "typename T::type"), 3492264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // break it apart into its prefix and identifier, then reconsititute those 3493264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // as the canonical nested-name-specifier. This is required to canonicalize 3494264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // a dependent nested-name-specifier involving typedefs of dependent-name 3495264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // types, e.g., 3496264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T::type T1; 3497264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor // typedef typename T1::type T2; 349816412ef25a2203b7066d0db2b41f944631e5cf79Eli Friedman if (const DependentNameType *DNT = T->getAs<DependentNameType>()) 349916412ef25a2203b7066d0db2b41f944631e5cf79Eli Friedman return NestedNameSpecifier::Create(*this, DNT->getQualifier(), 3500264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor const_cast<IdentifierInfo *>(DNT->getIdentifier())); 3501264bf66d55563dd86a3d7e06738aa427de512d2cDouglas Gregor 350216412ef25a2203b7066d0db2b41f944631e5cf79Eli Friedman // Otherwise, just canonicalize the type, and force it to be a TypeSpec. 350316412ef25a2203b7066d0db2b41f944631e5cf79Eli Friedman // FIXME: Why are TypeSpec and TypeSpecWithTemplate distinct in the 350416412ef25a2203b7066d0db2b41f944631e5cf79Eli Friedman // first place? 35053b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return NestedNameSpecifier::Create(*this, 0, false, 35063b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall const_cast<Type*>(T.getTypePtr())); 3507d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3508d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3509d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor case NestedNameSpecifier::Global: 3510d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor // The global specifier is canonical and unique. 3511d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor return NNS; 3512d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor } 3513d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 35147530c034c0c71a64c5a9173206d9742ae847af8bDavid Blaikie llvm_unreachable("Invalid NestedNameSpecifier::Kind!"); 3515d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor} 3516d57959af02b4af695276f4204443afe6e5d86bd8Douglas Gregor 3517c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner 35184ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadconst ArrayType *ASTContext::getAsArrayType(QualType T) const { 3519c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the non-qualified case efficiently. 3520a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor if (!T.hasLocalQualifiers()) { 3521c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Handle the common positive case fast. 3522c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ArrayType *AT = dyn_cast<ArrayType>(T)) 3523c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return AT; 3524c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner } 35251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35260953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Handle the common negative case fast. 35273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!isa<ArrayType>(T.getCanonicalType())) 3528c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return 0; 35291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 35300953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Apply any qualifiers from the array type to the element type. This 3531c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // implements C99 6.7.3p8: "If the specification of an array type includes 3532c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // any type qualifiers, the element type is so qualified, not the array type." 35331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3534c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we get here, we either have type qualifiers on the type, or we have 3535c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // sugar such as a typedef in the way. If we have type qualifiers on the type 353650d62d1b4a98adbc83de8f8cd1379ea1c25656f7Douglas Gregor // we must propagate them down into the element type. 35370953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 35383b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = T.getSplitDesugaredType(); 3539200fa53fd420aa8369586f569dbece04930ad6a3John McCall Qualifiers qs = split.Quals; 35401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3541c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // If we have a simple case, just return now. 3542200fa53fd420aa8369586f569dbece04930ad6a3John McCall const ArrayType *ATy = dyn_cast<ArrayType>(split.Ty); 35433b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (ATy == 0 || qs.empty()) 3544c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return ATy; 35451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3546c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Otherwise, we have an array and we have qualifiers on it. Push the 3547c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // qualifiers into the array element type and return a new array type. 35483b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall QualType NewEltTy = getQualifiedType(ATy->getElementType(), qs); 35491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3550c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(ATy)) 3551c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getConstantArrayType(NewEltTy, CAT->getSize(), 3552c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner CAT->getSizeModifier(), 35530953e767ff7817f97b3ab20896b229891eeff45bJohn McCall CAT->getIndexTypeCVRQualifiers())); 3554c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner if (const IncompleteArrayType *IAT = dyn_cast<IncompleteArrayType>(ATy)) 3555c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner return cast<ArrayType>(getIncompleteArrayType(NewEltTy, 3556c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner IAT->getSizeModifier(), 35570953e767ff7817f97b3ab20896b229891eeff45bJohn McCall IAT->getIndexTypeCVRQualifiers())); 3558898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor 35591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const DependentSizedArrayType *DSAT 3560898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor = dyn_cast<DependentSizedArrayType>(ATy)) 3561898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor return cast<ArrayType>( 35621eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getDependentSizedArrayType(NewEltTy, 35633fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall DSAT->getSizeExpr(), 3564898574e7496ba8fd76290079d3a9d06954992734Douglas Gregor DSAT->getSizeModifier(), 35650953e767ff7817f97b3ab20896b229891eeff45bJohn McCall DSAT->getIndexTypeCVRQualifiers(), 35667e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor DSAT->getBracketsRange())); 35671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3568c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const VariableArrayType *VAT = cast<VariableArrayType>(ATy); 35697e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return cast<ArrayType>(getVariableArrayType(NewEltTy, 35703fa5cae9b3812cab9fab6c042c3329bb70a3d046John McCall VAT->getSizeExpr(), 3571c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner VAT->getSizeModifier(), 35720953e767ff7817f97b3ab20896b229891eeff45bJohn McCall VAT->getIndexTypeCVRQualifiers(), 35737e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor VAT->getBracketsRange())); 357477c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner} 357577c9647cae939104c6cb2b6a4dd8ca859d2e5770Chris Lattner 3576ad9689f3531c49e4bff467d9469993606800068cAbramo BagnaraQualType ASTContext::getAdjustedParameterType(QualType T) const { 357779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // C99 6.7.5.3p7: 357879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // A declaration of a parameter as "array of type" shall be 357979e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // adjusted to "qualified pointer to type", where the type 358079e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // qualifiers (if any) are those specified within the [ and ] of 358179e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // the array type derivation. 358279e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor if (T->isArrayType()) 358379e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return getArrayDecayedType(T); 358479e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 358579e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // C99 6.7.5.3p8: 358679e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // A declaration of a parameter as "function returning type" 358779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // shall be adjusted to "pointer to function returning type", as 358879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor // in 6.3.2.1. 358979e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor if (T->isFunctionType()) 359079e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return getPointerType(T); 359179e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 359279e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return T; 359379e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor} 359479e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 3595ad9689f3531c49e4bff467d9469993606800068cAbramo BagnaraQualType ASTContext::getSignatureParameterType(QualType T) const { 359679e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor T = getVariableArrayDecayedType(T); 359779e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor T = getAdjustedParameterType(T); 359879e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor return T.getUnqualifiedType(); 359979e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor} 360079e6bd379773447a74cc3e579d9081e4c5cb6d63Douglas Gregor 3601e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// getArrayDecayedType - Return the properly qualified result of decaying the 3602e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// specified array type to a pointer. This operation is non-trivial when 3603e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// handling typedefs etc. The canonical type of "T" must be an array type, 3604e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// this returns a pointer to a properly qualified element of the array. 3605e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// 3606e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner/// See C99 6.7.5.3p7 and C99 6.3.2.1p3. 36074ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getArrayDecayedType(QualType Ty) const { 3608c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // Get the element type with 'getAsArrayType' so that we don't lose any 3609c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // typedefs in the element type of the array. This also handles propagation 3610c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // of type qualifiers from the array type into the element type if present 3611c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner // (C99 6.7.3p8). 3612c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner const ArrayType *PrettyArrayType = getAsArrayType(Ty); 3613c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner assert(PrettyArrayType && "Not an array type!"); 36141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3615c63a1f276f7b324fd9a4be82098b1c8f7bf30733Chris Lattner QualType PtrTy = getPointerType(PrettyArrayType->getElementType()); 3616e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 3617e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner // int x[restrict 4] -> int *restrict 36180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return getQualifiedType(PtrTy, PrettyArrayType->getIndexTypeQualifiers()); 3619e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner} 3620e6327747b72bb687c948270f702ff53c30f411a6Chris Lattner 36213b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(const ArrayType *array) const { 36223b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getBaseElementType(array->getElementType()); 36235e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor} 36245e03f9ea8174ae588c5e69ec6b5ef4c68f8fd766Douglas Gregor 36253b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCallQualType ASTContext::getBaseElementType(QualType type) const { 36263b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall Qualifiers qs; 36273b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall while (true) { 36283b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall SplitQualType split = type.getSplitDesugaredType(); 3629200fa53fd420aa8369586f569dbece04930ad6a3John McCall const ArrayType *array = split.Ty->getAsArrayTypeUnsafe(); 36303b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall if (!array) break; 36311eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36323b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall type = array->getElementType(); 3633200fa53fd420aa8369586f569dbece04930ad6a3John McCall qs.addConsistentQualifiers(split.Quals); 36343b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall } 36351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 36363b6575108a5b6d8b92ac3a9a7794bf6c3a210907John McCall return getQualifiedType(type, qs); 36376183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson} 36386183a99b064b397d98297904fbd6cf00fe1f453dAnders Carlsson 36390de78998e7bda473b408437053e48661b510d453Fariborz Jahanian/// getConstantArrayElementCount - Returns number of constant array elements. 36401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpuint64_t 36410de78998e7bda473b408437053e48661b510d453Fariborz JahanianASTContext::getConstantArrayElementCount(const ConstantArrayType *CA) const { 36420de78998e7bda473b408437053e48661b510d453Fariborz Jahanian uint64_t ElementCount = 1; 36430de78998e7bda473b408437053e48661b510d453Fariborz Jahanian do { 36440de78998e7bda473b408437053e48661b510d453Fariborz Jahanian ElementCount *= CA->getSize().getZExtValue(); 36450de78998e7bda473b408437053e48661b510d453Fariborz Jahanian CA = dyn_cast<ConstantArrayType>(CA->getElementType()); 36460de78998e7bda473b408437053e48661b510d453Fariborz Jahanian } while (CA); 36470de78998e7bda473b408437053e48661b510d453Fariborz Jahanian return ElementCount; 36480de78998e7bda473b408437053e48661b510d453Fariborz Jahanian} 36490de78998e7bda473b408437053e48661b510d453Fariborz Jahanian 36505f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// getFloatingRank - Return a relative rank for floating point types. 36515f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer/// This routine will assert if passed a built-in type that isn't a float. 3652a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattnerstatic FloatingRank getFloatingRank(QualType T) { 3653183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) 36545f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer return getFloatingRank(CT->getElementType()); 3655a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner 3656183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall assert(T->getAs<BuiltinType>() && "getFloatingRank(): not a floating type"); 3657183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall switch (T->getAs<BuiltinType>()->getKind()) { 3658b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("getFloatingRank(): not a floating type"); 3659aa4a99b4a62615db243f7a5c433169f2fc704420Anton Korobeynikov case BuiltinType::Half: return HalfRank; 36605f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Float: return FloatRank; 36615f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::Double: return DoubleRank; 36625f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer case BuiltinType::LongDouble: return LongDoubleRank; 36635f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 36645f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 36655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 36661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getFloatingTypeOfSizeWithinDomain - Returns a real floating 36671eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// point or a complex type (based on typeDomain/typeSize). 3668716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeDomain' is a real floating point or complex type. 3669716c7304ff5d27a95e1e7823acd1d09d5ec3e37fSteve Naroff/// 'typeSize' is a real floating point or complex type. 36701361b11066239ea15764a2a844405352d87296b3Chris LattnerQualType ASTContext::getFloatingTypeOfSizeWithinDomain(QualType Size, 36711361b11066239ea15764a2a844405352d87296b3Chris Lattner QualType Domain) const { 36721361b11066239ea15764a2a844405352d87296b3Chris Lattner FloatingRank EltRank = getFloatingRank(Size); 36731361b11066239ea15764a2a844405352d87296b3Chris Lattner if (Domain->isComplexType()) { 36741361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 3675561d3abc881033776ece385a01a510e1cbc1fa92David Blaikie case HalfRank: llvm_unreachable("Complex half is not supported"); 3676f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case FloatRank: return FloatComplexTy; 3677f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case DoubleRank: return DoubleComplexTy; 3678f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff case LongDoubleRank: return LongDoubleComplexTy; 3679f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 3680f1448a0e4a1e868ff873a8530a61a09cb68666ccSteve Naroff } 36811361b11066239ea15764a2a844405352d87296b3Chris Lattner 36821361b11066239ea15764a2a844405352d87296b3Chris Lattner assert(Domain->isRealFloatingType() && "Unknown domain!"); 36831361b11066239ea15764a2a844405352d87296b3Chris Lattner switch (EltRank) { 3684561d3abc881033776ece385a01a510e1cbc1fa92David Blaikie case HalfRank: llvm_unreachable("Half ranks are not valid here"); 36851361b11066239ea15764a2a844405352d87296b3Chris Lattner case FloatRank: return FloatTy; 36861361b11066239ea15764a2a844405352d87296b3Chris Lattner case DoubleRank: return DoubleTy; 36871361b11066239ea15764a2a844405352d87296b3Chris Lattner case LongDoubleRank: return LongDoubleTy; 36885f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 3689561d3abc881033776ece385a01a510e1cbc1fa92David Blaikie llvm_unreachable("getFloatingRank(): illegal value for rank"); 36905f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 36915f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 36927cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// getFloatingTypeOrder - Compare the rank of the two specified floating 36937cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// point types, ignoring the domain of the type (i.e. 'double' == 36947cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// '_Complex double'). If LHS > RHS, return 1. If LHS == RHS, return 0. If 36951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 36964ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getFloatingTypeOrder(QualType LHS, QualType RHS) const { 3697a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank LHSR = getFloatingRank(LHS); 3698a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner FloatingRank RHSR = getFloatingRank(RHS); 36991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3700a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR == RHSR) 3701fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 0; 3702a75cea3f6be0daa8054d36af81a6ffda1713f82dChris Lattner if (LHSR > RHSR) 3703fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return 1; 3704fb0d49669aa370b4c0993c5cee60275ef9fd6518Steve Naroff return -1; 37055f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 37065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3707f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// getIntegerRank - Return an integer conversion rank (C99 6.3.1.1p1). This 3708f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// routine will assert if passed a built-in type that isn't an integer or enum, 3709f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner/// or if it is not canonicalized. 3710f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCallunsigned ASTContext::getIntegerRank(const Type *T) const { 3711467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(T->isCanonicalUnqualified() && "T should be canonicalized"); 3712f5c209d23b20ada4a9b6235db50317239cbf6ae1Alisdair Meredith 3713f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner switch (cast<BuiltinType>(T)->getKind()) { 3714b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("getIntegerRank(): not a built-in integer"); 37157cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Bool: 3716f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 1 + (getIntWidth(BoolTy) << 3); 37177cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_S: 37187cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Char_U: 37197cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::SChar: 37207cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UChar: 3721f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 2 + (getIntWidth(CharTy) << 3); 37227cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Short: 37237cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UShort: 3724f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 3 + (getIntWidth(ShortTy) << 3); 37257cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Int: 37267cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::UInt: 3727f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 4 + (getIntWidth(IntTy) << 3); 37287cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::Long: 37297cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULong: 3730f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 5 + (getIntWidth(LongTy) << 3); 37317cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::LongLong: 37327cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner case BuiltinType::ULongLong: 3733f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman return 6 + (getIntWidth(LongLongTy) << 3); 37342df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 37352df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::UInt128: 37362df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return 7 + (getIntWidth(Int128Ty) << 3); 3737f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner } 3738f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner} 3739f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner 374004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \brief Whether this is a promotable bitfield reference according 374104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// to C99 6.3.1.1p2, bullet 2 (and GCC extensions). 374204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// 374304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// \returns the type this bit-field will promote to, or NULL if no 374404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman/// promotion occurs. 37454ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::isPromotableBitField(Expr *E) const { 3746ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor if (E->isTypeDependent() || E->isValueDependent()) 3747ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor return QualType(); 3748ceafbdeb93ecf323cca74e660bf54504c86f3b71Douglas Gregor 374904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman FieldDecl *Field = E->getBitField(); 375004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (!Field) 375104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 375204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 375304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman QualType FT = Field->getType(); 375404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 3755a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith uint64_t BitWidth = Field->getBitWidthValue(*this); 375604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 375704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // GCC extension compatibility: if the bit-field size is less than or equal 375804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // to the size of int, it gets promoted no matter what its type is. 375904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // For instance, unsigned long bf : 4 gets promoted to signed int. 376004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth < IntSize) 376104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return IntTy; 376204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 376304e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman if (BitWidth == IntSize) 376404e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return FT->isSignedIntegerType() ? IntTy : UnsignedIntTy; 376504e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 376604e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // Types bigger than int are not subject to promotions, and therefore act 376704e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // like the base type. 376804e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // FIXME: This doesn't quite match what gcc does, but what gcc does here 376904e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman // is ridiculous. 377004e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman return QualType(); 377104e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman} 377204e8357f6801e9ff52673e7e899a67bbabf9de93Eli Friedman 3773a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// getPromotedIntegerType - Returns the type that Promotable will 3774a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// promote to: C99 6.3.1.1p2, assuming that Promotable is a promotable 3775a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman/// integer type. 37764ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getPromotedIntegerType(QualType Promotable) const { 3777a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(!Promotable.isNull()); 3778a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isPromotableIntegerType()); 3779842aef8d942a880eeb9535d40de31a86838264cbJohn McCall if (const EnumType *ET = Promotable->getAs<EnumType>()) 3780842aef8d942a880eeb9535d40de31a86838264cbJohn McCall return ET->getDecl()->getPromotionType(); 378168a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman 378268a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman if (const BuiltinType *BT = Promotable->getAs<BuiltinType>()) { 378368a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // C++ [conv.prom]: A prvalue of type char16_t, char32_t, or wchar_t 378468a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // (3.9.1) can be converted to a prvalue of the first of the following 378568a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // types that can represent all the values of its underlying type: 378668a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // int, unsigned int, long int, unsigned long int, long long int, or 378768a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // unsigned long long int [...] 378868a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // FIXME: Is there some better way to compute this? 378968a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman if (BT->getKind() == BuiltinType::WChar_S || 379068a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman BT->getKind() == BuiltinType::WChar_U || 379168a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman BT->getKind() == BuiltinType::Char16 || 379268a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman BT->getKind() == BuiltinType::Char32) { 379368a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman bool FromIsSigned = BT->getKind() == BuiltinType::WChar_S; 379468a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman uint64_t FromSize = getTypeSize(BT); 379568a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman QualType PromoteTypes[] = { IntTy, UnsignedIntTy, LongTy, UnsignedLongTy, 379668a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman LongLongTy, UnsignedLongLongTy }; 379768a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman for (size_t Idx = 0; Idx < llvm::array_lengthof(PromoteTypes); ++Idx) { 379868a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman uint64_t ToSize = getTypeSize(PromoteTypes[Idx]); 379968a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman if (FromSize < ToSize || 380068a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman (FromSize == ToSize && 380168a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman FromIsSigned == PromoteTypes[Idx]->isSignedIntegerType())) 380268a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman return PromoteTypes[Idx]; 380368a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman } 380468a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman llvm_unreachable("char type should fit into long long"); 380568a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman } 380668a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman } 380768a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman 380868a2dc446fe6d32d5da3557902100ed06b21b12bEli Friedman // At this point, we should have a signed or unsigned integer type. 3809a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman if (Promotable->isSignedIntegerType()) 3810a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return IntTy; 3811a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t PromotableSize = getTypeSize(Promotable); 3812a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman uint64_t IntSize = getTypeSize(IntTy); 3813a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman assert(Promotable->isUnsignedIntegerType() && PromotableSize <= IntSize); 3814a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman return (PromotableSize != IntSize) ? IntTy : UnsignedIntTy; 3815a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman} 3816a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 381731862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis/// \brief Recurses in pointer/array types until it finds an objc retainable 381831862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis/// type and returns its ownership. 381931862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios KyrtzidisQualifiers::ObjCLifetime ASTContext::getInnerObjCOwnership(QualType T) const { 382031862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis while (!T.isNull()) { 382131862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis if (T.getObjCLifetime() != Qualifiers::OCL_None) 382231862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis return T.getObjCLifetime(); 382331862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis if (T->isArrayType()) 382431862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis T = getBaseElementType(T); 382531862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else if (const PointerType *PT = T->getAs<PointerType>()) 382631862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis T = PT->getPointeeType(); 382731862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 382828445f0b62f6aed851ff87ce64d9b19200d3211fArgyrios Kyrtzidis T = RT->getPointeeType(); 382931862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis else 383031862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis break; 383131862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis } 383231862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis 383331862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis return Qualifiers::OCL_None; 383431862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis} 383531862ba5ea70b1f2c81d03f8a0100b61cd6f06f6Argyrios Kyrtzidis 38361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// getIntegerTypeOrder - Returns the highest ranked integer type: 38377cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner/// C99 6.3.1.8p1. If LHS > RHS, return 1. If LHS == RHS, return 0. If 38381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// LHS < RHS, return -1. 38394ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadint ASTContext::getIntegerTypeOrder(QualType LHS, QualType RHS) const { 3840f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *LHSC = getCanonicalType(LHS).getTypePtr(); 3841f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall const Type *RHSC = getCanonicalType(RHS).getTypePtr(); 38427cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSC == RHSC) return 0; 38431eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 3844f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool LHSUnsigned = LHSC->isUnsignedIntegerType(); 3845f52ab250ff92bc51a9ac9a8e19bd43b63a5f844fChris Lattner bool RHSUnsigned = RHSC->isUnsignedIntegerType(); 38461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38477cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned LHSRank = getIntegerRank(LHSC); 38487cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner unsigned RHSRank = getIntegerRank(RHSC); 38491eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38507cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned == RHSUnsigned) { // Both signed or both unsigned. 38517cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank == RHSRank) return 0; 38527cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return LHSRank > RHSRank ? 1 : -1; 38537cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 38541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38557cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // Otherwise, the LHS is signed and the RHS is unsigned or visa versa. 38567cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSUnsigned) { 38577cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [LHS] type is larger, return it. 38587cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (LHSRank >= RHSRank) 38597cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 38601eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38617cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 38627cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 38631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 38647cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 38657cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner } 38667cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner 38677cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the unsigned [RHS] type is larger, return it. 38687cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner if (RHSRank >= LHSRank) 38697cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return -1; 38701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 38717cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // If the signed type can represent all values of the unsigned type, it 38727cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner // wins. Because we are dealing with 2's complement and types that are 38731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // powers of two larger than each other, this is always safe. 38747cfeb08f2466d6263ec6ff1402298f93f6d6991fChris Lattner return 1; 38755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 387671993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson 387779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlssonstatic RecordDecl * 3878ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo BagnaraCreateRecordDecl(const ASTContext &Ctx, RecordDecl::TagKind TK, 3879ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara DeclContext *DC, IdentifierInfo *Id) { 3880ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara SourceLocation Loc; 38814e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (Ctx.getLangOpts().CPlusPlus) 3882ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return CXXRecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 388379cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson else 3884ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara return RecordDecl::Create(Ctx, TK, DC, Loc, Loc, Id); 388579cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson} 3886ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara 38871eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump// getCFConstantStringType - Return the type used for constant CFStrings. 38884ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getCFConstantStringType() const { 388971993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson if (!CFConstantStringTypeDecl) { 38901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump CFConstantStringTypeDecl = 3891ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara CreateRecordDecl(*this, TTK_Struct, TUDecl, 389279cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("NSConstantString")); 38935cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall CFConstantStringTypeDecl->startDefinition(); 389479cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson 3895f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson QualType FieldTypes[4]; 38961eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 389771993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const int *isa; 38980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[0] = getPointerType(IntTy.withConst()); 3899f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson // int flags; 3900f06273f8bbacb086a46bde456429c8d08f6d07eeAnders Carlsson FieldTypes[1] = IntTy; 390171993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // const char *str; 39020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall FieldTypes[2] = getPointerType(CharTy.withConst()); 390371993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson // long length; 39041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldTypes[3] = LongTy; 39051eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 390644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor // Create fields 390744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor for (unsigned i = 0; i < 4; ++i) { 39081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FieldDecl *Field = FieldDecl::Create(*this, CFConstantStringTypeDecl, 3909ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 391044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor SourceLocation(), 0, 3911a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 39121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump /*BitWidth=*/0, 39137a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 3914ca5233044ef679840d1ad1c46a36b16e2ee8a6e1Richard Smith ICIS_NoInit); 39152888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 391617945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis CFConstantStringTypeDecl->addDecl(Field); 391744b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor } 391844b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 3919838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor CFConstantStringTypeDecl->completeDefinition(); 392071993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson } 39211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 392271993dd85eed9cc42c6b2fa61ee5c53026b74817Anders Carlsson return getTagDeclType(CFConstantStringTypeDecl); 39238467583c2704e7a9691ea56939a029015f0ade0aGabor Greif} 3924b2cf3573d7351094f6247fcca94703ce88eb9ee0Anders Carlsson 3925319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregorvoid ASTContext::setCFConstantStringType(QualType T) { 39266217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek const RecordType *Rec = T->getAs<RecordType>(); 3927319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor assert(Rec && "Invalid CFConstantStringType"); 3928319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor CFConstantStringTypeDecl = Rec->getDecl(); 3929319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor} 3930319ac896a0fef7365d5589b8021db7e41207fe42Douglas Gregor 39314ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorType() const { 3932adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump if (BlockDescriptorType) 3933adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3934adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3935adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump RecordDecl *T; 3936adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump // FIXME: Needs the FlagAppleBlock bit. 3937ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 393879cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor")); 39395cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3940adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3941adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump QualType FieldTypes[] = { 3942adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3943adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump UnsignedLongTy, 3944adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3945adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3946adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump const char *FieldNames[] = { 3947adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump "reserved", 3948083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size" 3949adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump }; 3950adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3951adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump for (size_t i = 0; i < 2; ++i) { 3952ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3953adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump SourceLocation(), 3954adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump &Idents.get(FieldNames[i]), 3955a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3956adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump /*BitWidth=*/0, 39577a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 3958ca5233044ef679840d1ad1c46a36b16e2ee8a6e1Richard Smith ICIS_NoInit); 39592888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 3960adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump T->addDecl(Field); 3961adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump } 3962adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3963838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 3964adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3965adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump BlockDescriptorType = T; 3966adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 3967adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump return getTagDeclType(BlockDescriptorType); 3968adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump} 3969adaaad3715c9c26cdcfdfe3401a13d7b4423ddcfMike Stump 39704ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType ASTContext::getBlockDescriptorExtendedType() const { 3971083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump if (BlockDescriptorExtendedType) 3972083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 3973083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3974083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump RecordDecl *T; 3975083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump // FIXME: Needs the FlagAppleBlock bit. 3976ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, 397779cbc7dd2aacd85a28f469b5dc73c4ea296e7072Anders Carlsson &Idents.get("__block_descriptor_withcopydispose")); 39785cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall T->startDefinition(); 3979083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3980083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump QualType FieldTypes[] = { 3981083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3982083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump UnsignedLongTy, 3983083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy), 3984083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump getPointerType(VoidPtrTy) 3985083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3986083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3987083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump const char *FieldNames[] = { 3988083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "reserved", 3989083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "Size", 3990083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "CopyFuncPtr", 3991083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump "DestroyFuncPtr" 3992083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump }; 3993083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 3994083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump for (size_t i = 0; i < 4; ++i) { 3995ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 3996083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump SourceLocation(), 3997083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump &Idents.get(FieldNames[i]), 3998a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 3999083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump /*BitWidth=*/0, 40007a614d8380297fcd2bc23986241905d97222948cRichard Smith /*Mutable=*/false, 4001ca5233044ef679840d1ad1c46a36b16e2ee8a6e1Richard Smith ICIS_NoInit); 40022888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 4003083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump T->addDecl(Field); 4004083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump } 4005083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 4006838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 4007083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 4008083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump BlockDescriptorExtendedType = T; 4009083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 4010083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump return getTagDeclType(BlockDescriptorExtendedType); 4011083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump} 4012083c25eea14bb4cc4ecc3ec763c60e2e609e22bdMike Stump 40134ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::BlockRequiresCopying(QualType Ty) const { 4014f85e193739c953358c865005855253af4f68a497John McCall if (Ty->isObjCRetainableType()) 4015af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return true; 40164e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().CPlusPlus) { 4017e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian if (const RecordType *RT = Ty->getAs<RecordType>()) { 4018e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian CXXRecordDecl *RD = cast<CXXRecordDecl>(RT->getDecl()); 4019ffe37fdda5b4b4f162a45155c30d9f60ce110c12Sean Hunt return RD->hasConstCopyConstructor(); 4020e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian 4021e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 4022e38be617437ccdcc180c5a49e447cbcd07539292Fariborz Jahanian } 4023af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return false; 4024af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump} 4025af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 40264ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadQualType 40275f9e272e632e951b1efe824cd16acb4d96077930Chris LattnerASTContext::BuildByRefType(StringRef DeclName, QualType Ty) const { 4028af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // type = struct __Block_byref_1_X { 4029ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // void *__isa; 4030af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // struct __Block_byref_1_X *__forwarding; 4031ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __flags; 4032ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // unsigned int __size; 4033a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__copy_helper; // as needed 4034a7e6845660f91ec611427e1db842780e1ec12bdbEli Friedman // void *__destroy_help // as needed 4035af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // int X; 4036ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump // } * 4037ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 4038af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump bool HasCopyAndDispose = BlockRequiresCopying(Ty); 4039af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 4040af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump // FIXME: Move up 4041f7ccbad5d9949e7ddd1cbef43d482553b811e026Dylan Noblesmith SmallString<36> Name; 4042f5942a44880be26878592eb052b737579349411eBenjamin Kramer llvm::raw_svector_ostream(Name) << "__Block_byref_" << 4043f5942a44880be26878592eb052b737579349411eBenjamin Kramer ++UniqueBlockByRefTypeID << '_' << DeclName; 4044af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump RecordDecl *T; 4045ba877adeb49ed6dc17f27fa3a3bcd0cca713fd68Abramo Bagnara T = CreateRecordDecl(*this, TTK_Struct, TUDecl, &Idents.get(Name.str())); 4046af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->startDefinition(); 4047af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType Int32Ty = IntTy; 4048af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump assert(getIntWidth(IntTy) == 32 && "non-32bit int not supported"); 4049af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump QualType FieldTypes[] = { 4050af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 4051af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(getTagDeclType(T)), 4052af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 4053af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Int32Ty, 4054af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 4055af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump getPointerType(VoidPtrTy), 4056af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump Ty 4057af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 4058af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 40595f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner StringRef FieldNames[] = { 4060af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__isa", 4061af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__forwarding", 4062af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__flags", 4063af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__size", 4064af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__copy_helper", 4065af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump "__destroy_helper", 4066af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump DeclName, 4067af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump }; 4068af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 4069af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump for (size_t i = 0; i < 7; ++i) { 4070af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump if (!HasCopyAndDispose && i >=4 && i <= 5) 4071af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump continue; 4072af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump FieldDecl *Field = FieldDecl::Create(*this, T, SourceLocation(), 4073ff676cb48fe8bf7be2feaa251dc7c5fb15af4730Abramo Bagnara SourceLocation(), 4074af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump &Idents.get(FieldNames[i]), 4075a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall FieldTypes[i], /*TInfo=*/0, 40767a614d8380297fcd2bc23986241905d97222948cRichard Smith /*BitWidth=*/0, /*Mutable=*/false, 4077ca5233044ef679840d1ad1c46a36b16e2ee8a6e1Richard Smith ICIS_NoInit); 40782888b65aae768f54062505330df7be230a0510c7John McCall Field->setAccess(AS_public); 4079af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump T->addDecl(Field); 4080af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump } 4081af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 4082838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor T->completeDefinition(); 4083af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump 4084af7b44d847d3e44c43346d508b2e55a6254b6e9dMike Stump return getPointerType(getTagDeclType(T)); 4085ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump} 4086ea26cb522e88fc86b0d1cae61dcefcfe4cc20231Mike Stump 4087e97179c675b341927807c718be215c8d1aab8acbDouglas GregorTypedefDecl *ASTContext::getObjCInstanceTypeDecl() { 4088e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor if (!ObjCInstanceTypeDecl) 4089e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor ObjCInstanceTypeDecl = TypedefDecl::Create(*this, 4090e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor getTranslationUnitDecl(), 4091e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor SourceLocation(), 4092e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor SourceLocation(), 4093e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor &Idents.get("instancetype"), 4094e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor getTrivialTypeSourceInfo(getObjCIdType())); 4095e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor return ObjCInstanceTypeDecl; 4096e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor} 4097e97179c675b341927807c718be215c8d1aab8acbDouglas Gregor 4098e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// This returns true if a type has been typedefed to BOOL: 4099e8c49533521c40643653f943d47229e62d277f88Anders Carlsson// typedef <type> BOOL; 41002d99833e8c956775f2183601cd120b65b569c867Chris Lattnerstatic bool isTypeTypedefedAsBOOL(QualType T) { 4101e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (const TypedefType *TT = dyn_cast<TypedefType>(T)) 4102bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner if (IdentifierInfo *II = TT->getDecl()->getIdentifier()) 4103bb49c3ee5d270485f4b273691fd14bc97403fa5dChris Lattner return II->isStr("BOOL"); 41041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 410585f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return false; 410685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 410785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 4108a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingTypeSize returns size of type for objective-c encoding 410933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// purpose. 41104ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadCharUnits ASTContext::getObjCEncodingTypeSize(QualType type) const { 4111f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (!type->isIncompleteArrayType() && type->isIncompleteType()) 4112f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return CharUnits::Zero(); 4113f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4114199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits sz = getTypeSizeInChars(type); 41151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 411633e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Make all integer and enum types at least as large as an int 41172ade35e2cfd554e49d35a52047cea98a82787af9Douglas Gregor if (sz.isPositive() && type->isIntegralOrEnumerationType()) 4118199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = std::max(sz, getTypeSizeInChars(IntTy)); 411933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Treat arrays as pointers, since that's how they're passed in. 412033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian else if (type->isArrayType()) 4121199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck sz = getTypeSizeInChars(VoidPtrTy); 4122aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck return sz; 4123199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck} 4124199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck 4125199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstatic inline 4126199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyckstd::string charUnitsToString(const CharUnits &CU) { 4127199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck return llvm::itostr(CU.getQuantity()); 412833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 412933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 41306b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall/// getObjCEncodingForBlock - Return the encoded type for this block 41315e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall/// declaration. 41326b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCallstd::string ASTContext::getObjCEncodingForBlock(const BlockExpr *Expr) const { 41336b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall std::string S; 41346b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 41355e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall const BlockDecl *Decl = Expr->getBlockDecl(); 41365e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType BlockTy = 41375e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Expr->getType()->getAs<BlockPointerType>()->getPointeeType(); 41385e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Encode result type. 4139c71a4915ca216847599d03cab4ed1c5086b0eb43John McCall getObjCEncodingForType(BlockTy->getAs<FunctionType>()->getResultType(), S); 41405e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Compute size of all parameters. 41415e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Start with computing size of a pointer in number of bytes. 41425e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // FIXME: There might(should) be a better way of doing this computation! 41435e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall SourceLocation Loc; 4144199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 4145199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = PtrSize; 41466f46c2653c1545cc3fef0c0df996d18160160ce8Fariborz Jahanian for (BlockDecl::param_const_iterator PI = Decl->param_begin(), 41475e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall E = Decl->param_end(); PI != E; ++PI) { 41485e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = (*PI)->getType(); 4149aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 4150199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && "BlockExpr - Incomplete param type"); 41515e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset += sz; 41525e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 41535e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Size of the argument frame 4154199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 41555e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Block pointer and offset. 41565e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall S += "@?0"; 41575e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 41585e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Argument types. 41595e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmOffset = PtrSize; 41605e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall for (BlockDecl::param_const_iterator PI = Decl->param_begin(), E = 41615e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall Decl->param_end(); PI != E; ++PI) { 41625e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall ParmVarDecl *PVDecl = *PI; 41635e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall QualType PType = PVDecl->getOriginalType(); 41645e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (const ArrayType *AT = 41655e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 41665e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // Use array's original type only if it has known number of 41675389f48b24937ad7b4093307128b3cbf25235654David Chisnall // elements. 41685389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (!isa<ConstantArrayType>(AT)) 41695389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 41705389f48b24937ad7b4093307128b3cbf25235654David Chisnall } else if (PType->isFunctionType()) 41715389f48b24937ad7b4093307128b3cbf25235654David Chisnall PType = PVDecl->getType(); 41725389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(PType, S); 41735389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 41745389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += getObjCEncodingTypeSize(PType); 41755389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 41766b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall 41776b5a61b6dc400027fd793dcadceeb9da944a37eaJohn McCall return S; 41785389f48b24937ad7b4093307128b3cbf25235654David Chisnall} 41795389f48b24937ad7b4093307128b3cbf25235654David Chisnall 4180f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregorbool ASTContext::getObjCEncodingForFunctionDecl(const FunctionDecl *Decl, 41815389f48b24937ad7b4093307128b3cbf25235654David Chisnall std::string& S) { 41825389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Encode result type. 41835389f48b24937ad7b4093307128b3cbf25235654David Chisnall getObjCEncodingForType(Decl->getResultType(), S); 41845389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits ParmOffset; 41855389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Compute size of all parameters. 41865389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 41875389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 41885389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = (*PI)->getType(); 41895389f48b24937ad7b4093307128b3cbf25235654David Chisnall CharUnits sz = getObjCEncodingTypeSize(PType); 4190f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (sz.isZero()) 4191f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return true; 4192f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 41935389f48b24937ad7b4093307128b3cbf25235654David Chisnall assert (sz.isPositive() && 4194f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor "getObjCEncodingForFunctionDecl - Incomplete param type"); 41955389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset += sz; 41965389f48b24937ad7b4093307128b3cbf25235654David Chisnall } 41975389f48b24937ad7b4093307128b3cbf25235654David Chisnall S += charUnitsToString(ParmOffset); 41985389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmOffset = CharUnits::Zero(); 41995389f48b24937ad7b4093307128b3cbf25235654David Chisnall 42005389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Argument types. 42015389f48b24937ad7b4093307128b3cbf25235654David Chisnall for (FunctionDecl::param_const_iterator PI = Decl->param_begin(), 42025389f48b24937ad7b4093307128b3cbf25235654David Chisnall E = Decl->param_end(); PI != E; ++PI) { 42035389f48b24937ad7b4093307128b3cbf25235654David Chisnall ParmVarDecl *PVDecl = *PI; 42045389f48b24937ad7b4093307128b3cbf25235654David Chisnall QualType PType = PVDecl->getOriginalType(); 42055389f48b24937ad7b4093307128b3cbf25235654David Chisnall if (const ArrayType *AT = 42065389f48b24937ad7b4093307128b3cbf25235654David Chisnall dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 42075389f48b24937ad7b4093307128b3cbf25235654David Chisnall // Use array's original type only if it has known number of 42085e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall // elements. 42095e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall if (!isa<ConstantArrayType>(AT)) 42105e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 42115e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } else if (PType->isFunctionType()) 42125e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall PType = PVDecl->getType(); 42135e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall getObjCEncodingForType(PType, S); 4214199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 4215aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 42165e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall } 4217f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4218f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return false; 42195e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall} 42205e530af5d51572a0ed5dbe50da54bd333840c63dDavid Chisnall 4221dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson/// getObjCEncodingForMethodParameter - Return the encoded type for a single 4222dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson/// method parameter or return type. If Extended, include class names and 4223dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson/// block object types. 4224dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilsonvoid ASTContext::getObjCEncodingForMethodParameter(Decl::ObjCDeclQualifier QT, 4225dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson QualType T, std::string& S, 4226dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson bool Extended) const { 4227dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson // Encode type qualifer, 'in', 'inout', etc. for the parameter. 4228dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson getObjCEncodingForTypeQualifier(QT, S); 4229dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson // Encode parameter type. 4230dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson getObjCEncodingForTypeImpl(T, S, true, true, 0, 4231dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson true /*OutermostType*/, 4232dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson false /*EncodingProperty*/, 4233dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson false /*StructField*/, 4234dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson Extended /*EncodeBlockParameters*/, 4235dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson Extended /*EncodeClassNames*/); 4236dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson} 4237dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson 4238a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek/// getObjCEncodingForMethodDecl - Return the encoded type for this method 423933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian/// declaration. 4240f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregorbool ASTContext::getObjCEncodingForMethodDecl(const ObjCMethodDecl *Decl, 4241dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson std::string& S, 4242dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson bool Extended) const { 4243c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 4244dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson // Encode return type. 4245dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson getObjCEncodingForMethodParameter(Decl->getObjCDeclQualifier(), 4246dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson Decl->getResultType(), S, Extended); 424733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Compute size of all parameters. 424833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Start with computing size of a pointer in number of bytes. 424933e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // FIXME: There might(should) be a better way of doing this computation! 425033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian SourceLocation Loc; 4251199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits PtrSize = getTypeSizeInChars(VoidPtrTy); 425233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // The first two arguments (self and _cmd) are pointers; account for 425333e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // their size. 4254199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck CharUnits ParmOffset = 2 * PtrSize; 4255491306a83c4f0f49f95a3bcbca8580cb98a91c7aArgyrios Kyrtzidis for (ObjCMethodDecl::param_const_iterator PI = Decl->param_begin(), 42567732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 425789951a86b594513c2a013532ed45d197413b1087Chris Lattner QualType PType = (*PI)->getType(); 4258aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck CharUnits sz = getObjCEncodingTypeSize(PType); 4259f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor if (sz.isZero()) 4260f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return true; 4261f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4262199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck assert (sz.isPositive() && 4263199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck "getObjCEncodingForMethodDecl - Incomplete param type"); 426433e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset += sz; 426533e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 4266199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 426733e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian S += "@0:"; 4268199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(PtrSize); 42691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 427033e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian // Argument types. 427133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian ParmOffset = 2 * PtrSize; 4272491306a83c4f0f49f95a3bcbca8580cb98a91c7aArgyrios Kyrtzidis for (ObjCMethodDecl::param_const_iterator PI = Decl->param_begin(), 42737732cc9c0fdc97a2f8cce4e5933d8103213d1aefFariborz Jahanian E = Decl->sel_param_end(); PI != E; ++PI) { 4274491306a83c4f0f49f95a3bcbca8580cb98a91c7aArgyrios Kyrtzidis const ParmVarDecl *PVDecl = *PI; 42751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType PType = PVDecl->getOriginalType(); 42764306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian if (const ArrayType *AT = 4277ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff dyn_cast<ArrayType>(PType->getCanonicalTypeInternal())) { 4278ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // Use array's original type only if it has known number of 4279ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff // elements. 4280bb3fde337fb712c0e6da8790d431621be4793048Steve Naroff if (!isa<ConstantArrayType>(AT)) 4281ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 4282ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff } else if (PType->isFunctionType()) 4283ab76d45e023fc5ae966968344e180cd09fdcc746Steve Naroff PType = PVDecl->getType(); 4284dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson getObjCEncodingForMethodParameter(PVDecl->getObjCDeclQualifier(), 4285dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson PType, S, Extended); 4286199c3d6cd16aebbb9c7f0d42af9d922c9628bf70Ken Dyck S += charUnitsToString(ParmOffset); 4287aa8741a1db98eef05f09b1200dba94aa5dc3bc3dKen Dyck ParmOffset += getObjCEncodingTypeSize(PType); 428833e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian } 4289f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor 4290f968d8374791c37bc464efd9168c2d33dd73605fDouglas Gregor return false; 429133e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian} 429233e1d64ab5cd5d27f8530ccd056191fe2c9f3f2eFariborz Jahanian 4293c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// getObjCEncodingForPropertyDecl - Return the encoded type for this 429483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// property declaration. If non-NULL, Container must be either an 4295c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// ObjCCategoryImplDecl or ObjCImplementationDecl; it should only be 4296c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar/// NULL when getting encodings for protocol properties. 42971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Property attributes are stored as a comma-delimited C string. The simple 42981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// attributes readonly and bycopy are encoded as single characters. The 42991eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// parametrized attributes, getter=name, setter=name, and ivar=name, are 43001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// encoded as single characters, followed by an identifier. Property types 43011eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// are also encoded as a parametrized attribute. The characters used to encode 430283bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// these attributes are defined by the following enumeration: 430383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @code 430483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// enum PropertyAttributes { 430583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyReadOnly = 'R', // property is read-only. 430683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyBycopy = 'C', // property is a copy of the value last assigned 430783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyByref = '&', // property is a reference to the value last assigned 430883bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyDynamic = 'D', // property is dynamic 430983bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyGetter = 'G', // followed by getter selector name 431083bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertySetter = 'S', // followed by setter selector name 431183bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyInstanceVariable = 'V' // followed by instance variable name 43120d4cb85130d91da61c45aecb9fd31c7097a7cfccBob Wilson/// kPropertyType = 'T' // followed by old-style type encoding. 431383bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyWeak = 'W' // 'weak' property 431483bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyStrong = 'P' // property GC'able 431583bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// kPropertyNonAtomic = 'N' // property non-atomic 431683bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// }; 431783bccb85ff4b9981c4250c45494b439df8cbf983Fariborz Jahanian/// @endcode 43181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForPropertyDecl(const ObjCPropertyDecl *PD, 4319c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const Decl *Container, 43204ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad std::string& S) const { 4321c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Collect information from the property implementation decl(s). 4322c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar bool Dynamic = false; 4323c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar ObjCPropertyImplDecl *SynthesizePID = 0; 4324c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4325c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: Duplicated code due to poor abstraction. 4326c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Container) { 43271eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCCategoryImplDecl *CID = 4328c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar dyn_cast<ObjCCategoryImplDecl>(Container)) { 4329c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 433017945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = CID->propimpl_begin(), e = CID->propimpl_end(); 4331653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 4332581deb3da481053c4993c7600f97acf7768caac5David Blaikie ObjCPropertyImplDecl *PID = *i; 4333c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 4334c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 4335c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 4336c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4337c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 4338c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4339c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4340c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4341c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 434261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner const ObjCImplementationDecl *OID=cast<ObjCImplementationDecl>(Container); 4343c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar for (ObjCCategoryImplDecl::propimpl_iterator 434417945a0f64fe03ff6ec0c2146005a87636e3ac12Argyrios Kyrtzidis i = OID->propimpl_begin(), e = OID->propimpl_end(); 4345653f1b1bf293a9bd96fd4dd6372e779cc7af1597Douglas Gregor i != e; ++i) { 4346581deb3da481053c4993c7600f97acf7768caac5David Blaikie ObjCPropertyImplDecl *PID = *i; 4347c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyDecl() == PD) { 4348c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PID->getPropertyImplementation()==ObjCPropertyImplDecl::Dynamic) { 4349c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar Dynamic = true; 4350c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4351c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar SynthesizePID = PID; 4352c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4353c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 43541eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4355c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4356c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4357c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4358c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: This is not very efficient. 4359c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S = "T"; 4360c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4361c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // Encode result type. 4362090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // GCC has some special rules regarding encoding of properties which 4363090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian // closely resembles encoding of ivars. 43641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PD->getType(), S, true, true, 0, 4365090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* outermost type */, 4366090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian true /* encoding for property */); 4367c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4368c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->isReadOnly()) { 4369c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",R"; 4370c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } else { 4371c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar switch (PD->getSetterKind()) { 4372c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Assign: break; 4373c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar case ObjCPropertyDecl::Copy: S += ",C"; break; 43741eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump case ObjCPropertyDecl::Retain: S += ",&"; break; 43753a02b44e3948f7762dbfba94b7961281ca29d022Fariborz Jahanian case ObjCPropertyDecl::Weak: S += ",W"; break; 4376c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4377c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4378c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4379c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // It really isn't clear at all what this means, since properties 4380c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // are "dynamic by default". 4381c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (Dynamic) 4382c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",D"; 4383c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4384090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_nonatomic) 4385090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian S += ",N"; 43861eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4387c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_getter) { 4388c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",G"; 4389077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getGetterName().getAsString(); 4390c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4391c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4392c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (PD->getPropertyAttributes() & ObjCPropertyDecl::OBJC_PR_setter) { 4393c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",S"; 4394077bf5e2f48acfa9e7d69429b6e4ba86ea14896dChris Lattner S += PD->getSetterName().getAsString(); 4395c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4396c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4397c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar if (SynthesizePID) { 4398c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar const ObjCIvarDecl *OID = SynthesizePID->getPropertyIvarDecl(); 4399c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar S += ",V"; 440039f34e97d6a468f0a7dfa5664c61217cffc65b74Chris Lattner S += OID->getNameAsString(); 4401c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar } 4402c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4403c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar // FIXME: OBJCGC: weak & strong 4404c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar} 4405c56f34a1c1779de15330bdb3eec39b3418802d47Daniel Dunbar 4406a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// getLegacyIntegralTypeEncoding - 44071eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// Another legacy compatibility encoding: 32-bit longs are encoded as 44081eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// 'l' or 'L' , but not always. For typedefs, we need to use 4409a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 'i' or 'I' instead if encoding a struct field, or a pointer! 4410a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian/// 4411a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanianvoid ASTContext::getLegacyIntegralTypeEncoding (QualType &PointeeTy) const { 44128e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(PointeeTy.getTypePtr())) { 4413183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const BuiltinType *BT = PointeeTy->getAs<BuiltinType>()) { 44144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::ULong && getIntWidth(PointeeTy) == 32) 4415a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = UnsignedIntTy; 44161eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else 44174ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad if (BT->getKind() == BuiltinType::Long && getIntWidth(PointeeTy) == 32) 4418a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian PointeeTy = IntTy; 4419a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4420a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4421a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian} 4422a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 44237d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanianvoid ASTContext::getObjCEncodingForType(QualType T, std::string& S, 44244ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const FieldDecl *Field) const { 442582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // We follow the behavior of gcc, expanding structures which are 442682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // directly pointed to, and expanding embedded structures. Note that 442782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // these rules are sufficient to prevent recursive encoding of the 442882a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar // same type. 44291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(T, S, true, true, Field, 44305b8c7d9fb620ba3a71e996d61e7b9bdf763b5c09Fariborz Jahanian true /* outermost type */); 443182a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar} 443282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar 443364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnallstatic char ObjCEncodingForPrimitiveKind(const ASTContext *C, QualType T) { 443464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall switch (T->getAs<BuiltinType>()->getKind()) { 4435b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Unhandled builtin type kind"); 443664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Void: return 'v'; 443764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Bool: return 'B'; 443864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_U: 443964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UChar: return 'C'; 444064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UShort: return 'S'; 444164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt: return 'I'; 444264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULong: 44434ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'L' : 'Q'; 444464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::UInt128: return 'T'; 444564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::ULongLong: return 'Q'; 444664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Char_S: 444764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::SChar: return 'c'; 444864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Short: return 's'; 44493f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_S: 44503f59c975aa5d047f7edd1b900b5e885c38af0ef7Chris Lattner case BuiltinType::WChar_U: 445164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int: return 'i'; 445264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Long: 44534ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad return C->getIntWidth(T) == 32 ? 'l' : 'q'; 445464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::LongLong: return 'q'; 445564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Int128: return 't'; 445664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Float: return 'f'; 445764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall case BuiltinType::Double: return 'd'; 44583a0be84b2aed8563150cdbd976a98838afa261ebDaniel Dunbar case BuiltinType::LongDouble: return 'D'; 445964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 446064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall} 446164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall 44625471bc85b69912e3b448de004498a80c0de32296Douglas Gregorstatic char ObjCEncodingForEnumType(const ASTContext *C, const EnumType *ET) { 44635471bc85b69912e3b448de004498a80c0de32296Douglas Gregor EnumDecl *Enum = ET->getDecl(); 44645471bc85b69912e3b448de004498a80c0de32296Douglas Gregor 44655471bc85b69912e3b448de004498a80c0de32296Douglas Gregor // The encoding of an non-fixed enum type is always 'i', regardless of size. 44665471bc85b69912e3b448de004498a80c0de32296Douglas Gregor if (!Enum->isFixed()) 44675471bc85b69912e3b448de004498a80c0de32296Douglas Gregor return 'i'; 44685471bc85b69912e3b448de004498a80c0de32296Douglas Gregor 44695471bc85b69912e3b448de004498a80c0de32296Douglas Gregor // The encoding of a fixed enum type matches its fixed underlying type. 44705471bc85b69912e3b448de004498a80c0de32296Douglas Gregor return ObjCEncodingForPrimitiveKind(C, Enum->getIntegerType()); 44715471bc85b69912e3b448de004498a80c0de32296Douglas Gregor} 44725471bc85b69912e3b448de004498a80c0de32296Douglas Gregor 44734ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic void EncodeBitField(const ASTContext *Ctx, std::string& S, 447464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall QualType T, const FieldDecl *FD) { 4475a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith assert(FD->isBitField() && "not a bitfield - getObjCEncodingForTypeImpl"); 44768b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian S += 'b'; 447764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The NeXT runtime encodes bit fields as b followed by the number of bits. 447864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // The GNU runtime requires more information; bitfields are encoded as b, 447964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // then the offset (in bits) of the first element, then the type of the 448064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // bitfield, then the size in bits. For example, in this structure: 448164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // 448264fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // struct 448364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // { 448464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int integer; 448564fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // int flags:2; 448664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // }; 448764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // On a 32-bit system, the encoding for flags would be b2 for the NeXT 448864fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // runtime, but b32i2 for the GNU runtime. The reason for this extra 448964fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // information is not especially sensible, but we're stuck with it for 449064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // compatibility with GCC, although providing it breaks anything that 449164fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall // actually uses runtime introspection and wants to work on both runtimes... 4492260611a32535c851237926bfcf78869b13c07d5bJohn McCall if (Ctx->getLangOpts().ObjCRuntime.isGNUFamily()) { 449364fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const RecordDecl *RD = FD->getParent(); 449464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall const ASTRecordLayout &RL = Ctx->getASTRecordLayout(RD); 449582905749d5c8d8b4edec11de754a73349cb96603Eli Friedman S += llvm::utostr(RL.getFieldOffset(FD->getFieldIndex())); 44965471bc85b69912e3b448de004498a80c0de32296Douglas Gregor if (const EnumType *ET = T->getAs<EnumType>()) 44975471bc85b69912e3b448de004498a80c0de32296Douglas Gregor S += ObjCEncodingForEnumType(Ctx, ET); 4498c7ff82c2040f45eaad2eddea0e4461dddc972cd1David Chisnall else 44994ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad S += ObjCEncodingForPrimitiveKind(Ctx, T); 450064fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall } 4501a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith S += llvm::utostr(FD->getBitWidthValue(*Ctx)); 45028b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian} 45038b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian 450401eb9b9683535d8a65c704ad2c545903409e2d36Daniel Dunbar// FIXME: Use SmallString for accumulating string. 450582a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbarvoid ASTContext::getObjCEncodingForTypeImpl(QualType T, std::string& S, 450682a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandPointedToStructures, 450782a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar bool ExpandStructures, 4508153bfe5795e2c1a5a738e73d3784964e082237fcDaniel Dunbar const FieldDecl *FD, 4509090b3f71702c5626d8520f9608d77c6f26dcfa15Fariborz Jahanian bool OutermostType, 45102636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool EncodingProperty, 4511dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson bool StructField, 4512dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson bool EncodeBlockParameters, 4513dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson bool EncodeClassNames) const { 451464fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall if (T->getAs<BuiltinType>()) { 4515ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (FD && FD->isBitField()) 451664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall return EncodeBitField(this, S, T, FD); 451764fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall S += ObjCEncodingForPrimitiveKind(this, T); 4518ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4519ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 45201eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4521183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ComplexType *CT = T->getAs<ComplexType>()) { 4522c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson S += 'j'; 45231eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(CT->getElementType(), S, false, false, 0, false, 4524c612f7bc9a6379cd7e7c2dd306d05938e890051bAnders Carlsson false); 4525ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4526ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 452760bce3ef20a4c9684e3825cdd739fefb9810327dFariborz Jahanian 4528aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian // encoding for pointer or r3eference types. 4529aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian QualType PointeeTy; 45306217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const PointerType *PT = T->getAs<PointerType>()) { 45318d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian if (PT->isObjCSelType()) { 45328d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian S += ':'; 45338d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian return; 45348d2c0a9814e56c2b22e22d1045181c735aef62fdFariborz Jahanian } 4535aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = PT->getPointeeType(); 4536aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian } 4537aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian else if (const ReferenceType *RT = T->getAs<ReferenceType>()) 4538aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian PointeeTy = RT->getPointeeType(); 4539aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian if (!PointeeTy.isNull()) { 4540a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian bool isReadOnly = false; 4541a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // For historical/compatibility reasons, the read-only qualifier of the 4542a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // pointee gets emitted _before_ the '^'. The read-only qualifier of 4543a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // the pointer itself gets ignored, _unless_ we are looking at a typedef! 45441eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Also, do not emit the 'r' for anything but the outermost type! 45458e1fab243ab8023b7ee3899745386b3b3a4258f8Mike Stump if (isa<TypedefType>(T.getTypePtr())) { 4546a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (OutermostType && T.isConstQualified()) { 4547a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4548a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4549a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 45509fdbab3cbc2fc04bcaf5768023d83707f3151144Mike Stump } else if (OutermostType) { 4551a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian QualType P = PointeeTy; 45526217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek while (P->getAs<PointerType>()) 45536217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek P = P->getAs<PointerType>()->getPointeeType(); 4554a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (P.isConstQualified()) { 4555a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian isReadOnly = true; 4556a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian S += 'r'; 4557a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4558a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 4559a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian if (isReadOnly) { 4560a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Another legacy compatibility encoding. Some ObjC qualifier and type 4561a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // combinations need to be rearranged. 4562a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian // Rewrite "in const" from "nr" to "rn" 45635f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner if (StringRef(S).endswith("nr")) 45640237941e0beb0c929934b66ad29443b484d987feBenjamin Kramer S.replace(S.end()-2, S.end(), "rn"); 4565a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian } 45661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 456785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson if (PointeeTy->isCharType()) { 456885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // char pointer types should be encoded as '*' unless it is a 456985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson // type that has been typedef'd to 'BOOL'. 4570e8c49533521c40643653f943d47229e62d277f88Anders Carlsson if (!isTypeTypedefedAsBOOL(PointeeTy)) { 457185f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '*'; 457285f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson return; 457385f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 45746217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek } else if (const RecordType *RTy = PointeeTy->getAs<RecordType>()) { 45759533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_class *" to "#". 45769533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_class")) { 45779533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '#'; 45789533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 45799533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 45809533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // GCC binary compat: Need to convert "struct objc_object *" to "@". 45819533a7fdb8397421f3be52e879442460a87389f6Steve Naroff if (RTy->getDecl()->getIdentifier() == &Idents.get("objc_object")) { 45829533a7fdb8397421f3be52e879442460a87389f6Steve Naroff S += '@'; 45839533a7fdb8397421f3be52e879442460a87389f6Steve Naroff return; 45849533a7fdb8397421f3be52e879442460a87389f6Steve Naroff } 45859533a7fdb8397421f3be52e879442460a87389f6Steve Naroff // fall through... 458685f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson } 458785f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson S += '^'; 4588a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian getLegacyIntegralTypeEncoding(PointeeTy); 4589a1c033e9514865f3a7b0d8b3b20e6de926cfec6cFariborz Jahanian 45901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, false, ExpandPointedToStructures, 459143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian NULL); 4592ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4593ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4594aa1d76163e4b0b1cc54e222be67379f8c02e8ffaFariborz Jahanian 4595ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (const ArrayType *AT = 4596ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Ignore type qualifiers etc. 4597ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner dyn_cast<ArrayType>(T->getCanonicalTypeInternal())) { 45982636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (isa<IncompleteArrayType>(AT) && !StructField) { 4599559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson // Incomplete arrays are encoded as a pointer to the array element. 4600559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '^'; 4601559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson 46021eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4603559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4604559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } else { 4605559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '['; 46061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46072636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (const ConstantArrayType *CAT = dyn_cast<ConstantArrayType>(AT)) { 46082636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (getTypeSize(CAT->getElementType()) == 0) 46092636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '0'; 46102636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis else 46112636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += llvm::utostr(CAT->getSize().getZExtValue()); 46122636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 4613559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson //Variable length arrays are encoded as a regular array with 0 elements. 46142636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert((isa<VariableArrayType>(AT) || isa<IncompleteArrayType>(AT)) && 46152636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis "Unknown array type!"); 4616559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += '0'; 4617559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 46181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46191eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(AT->getElementType(), S, 4620559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson false, ExpandStructures, FD); 4621559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson S += ']'; 4622559a83330416affb0e341a2c53800cbf924a5178Anders Carlsson } 4623ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4624ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 46251eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4626183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (T->getAs<FunctionType>()) { 4627c0a87b7db06643178ad2cbce0767548c139ea387Anders Carlsson S += '?'; 4628ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4629ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 46301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46316217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek if (const RecordType *RTy = T->getAs<RecordType>()) { 463282a6cfbc421cc99c5b7313271f399f7ef95056ecDaniel Dunbar RecordDecl *RDecl = RTy->getDecl(); 4633d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? '(' : '{'; 4634502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar // Anonymous structures print as '?' 4635502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar if (const IdentifierInfo *II = RDecl->getIdentifier()) { 4636502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += II->getName(); 46376fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian if (ClassTemplateSpecializationDecl *Spec 46386fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = dyn_cast<ClassTemplateSpecializationDecl>(RDecl)) { 46396fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 46406fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian std::string TemplateArgsStr 46416fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian = TemplateSpecializationType::PrintTemplateArgumentList( 4642910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.data(), 4643910f8008fea79120489a53593fe971b0b8a4a740Douglas Gregor TemplateArgs.size(), 464430c42404202d2e2512e51efc6066bd614cfdb5a4Douglas Gregor (*this).getPrintingPolicy()); 46456fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian 46466fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian S += TemplateArgsStr; 46476fb94391dc7cb11fd4bbdb969bbab11b6b48c223Fariborz Jahanian } 4648502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } else { 4649502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar S += '?'; 4650502a4a1ce4c34cf78c8182d9798da0a51d9b7302Daniel Dunbar } 46510d504c1da852e58ff802545c823ecff3b6c654b8Daniel Dunbar if (ExpandStructures) { 46527d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian S += '='; 46532636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->isUnion()) { 46542636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForStructureImpl(RDecl, S, FD); 46552636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 46562636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 46572636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 46582636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis Field != FieldEnd; ++Field) { 46592636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 46602636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 46612636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += Field->getNameAsString(); 46622636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 46632636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 46641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 46652636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // Special case bit-fields. 46662636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (Field->isBitField()) { 46672636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(Field->getType(), S, false, true, 4668581deb3da481053c4993c7600f97acf7768caac5David Blaikie *Field); 46692636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 46702636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis QualType qt = Field->getType(); 46712636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getLegacyIntegralTypeEncoding(qt); 46722636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(qt, S, false, true, 46732636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FD, /*OutermostType*/false, 46742636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*EncodingProperty*/false, 46752636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*StructField*/true); 46762636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 4677d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar } 46787d6b46d9a9d75dea8ef9f6973dd50633c1f37963Fariborz Jahanian } 46796de88a873a4cbe06d72602eef57d68006730a80bFariborz Jahanian } 4680d96b35bc6becf8db00d140c11e3d0e53f27567a1Daniel Dunbar S += RDecl->isUnion() ? ')' : '}'; 4681ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4682ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4683e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 46845471bc85b69912e3b448de004498a80c0de32296Douglas Gregor if (const EnumType *ET = T->getAs<EnumType>()) { 46858b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian if (FD && FD->isBitField()) 468664fd7e86c1a90d9ff78e4a0bd79f69499667a4e3David Chisnall EncodeBitField(this, S, T, FD); 46878b4bf90eb6d3d08cf3bfb86705f0fdb20b9c5875Fariborz Jahanian else 46885471bc85b69912e3b448de004498a80c0de32296Douglas Gregor S += ObjCEncodingForEnumType(this, ET); 4689ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4690ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 46911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4692dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson if (const BlockPointerType *BT = T->getAs<BlockPointerType>()) { 469321a98b188857d690aa4510c52ac4317ffa0908a8Steve Naroff S += "@?"; // Unlike a pointer-to-function, which is "^?". 4694dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson if (EncodeBlockParameters) { 4695dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson const FunctionType *FT = BT->getPointeeType()->getAs<FunctionType>(); 4696dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson 4697dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson S += '<'; 4698dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson // Block return type 4699dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson getObjCEncodingForTypeImpl(FT->getResultType(), S, 4700dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson ExpandPointedToStructures, ExpandStructures, 4701dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson FD, 4702dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson false /* OutermostType */, 4703dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson EncodingProperty, 4704dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson false /* StructField */, 4705dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson EncodeBlockParameters, 4706dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson EncodeClassNames); 4707dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson // Block self 4708dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson S += "@?"; 4709dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson // Block parameters 4710dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson if (const FunctionProtoType *FPT = dyn_cast<FunctionProtoType>(FT)) { 4711dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson for (FunctionProtoType::arg_type_iterator I = FPT->arg_type_begin(), 4712dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson E = FPT->arg_type_end(); I && (I != E); ++I) { 4713dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson getObjCEncodingForTypeImpl(*I, S, 4714dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson ExpandPointedToStructures, 4715dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson ExpandStructures, 4716dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson FD, 4717dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson false /* OutermostType */, 4718dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson EncodingProperty, 4719dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson false /* StructField */, 4720dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson EncodeBlockParameters, 4721dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson EncodeClassNames); 4722dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson } 4723dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson } 4724dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson S += '>'; 4725dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson } 4726ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4727ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 47281eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4729c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Ignore protocol qualifiers when mangling at this level. 4730c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (const ObjCObjectType *OT = T->getAs<ObjCObjectType>()) 4731c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall T = OT->getBaseType(); 4732c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 47330953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (const ObjCInterfaceType *OIT = T->getAs<ObjCInterfaceType>()) { 473443822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian // @encode(class_name) 47350953e767ff7817f97b3ab20896b229891eeff45bJohn McCall ObjCInterfaceDecl *OI = OIT->getDecl(); 473643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '{'; 473743822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian const IdentifierInfo *II = OI->getIdentifier(); 473843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += II->getName(); 473943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '='; 4740db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose SmallVector<const ObjCIvarDecl*, 32> Ivars; 47412c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian DeepCollectObjCIvars(OI, true, Ivars); 47422c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian for (unsigned i = 0, e = Ivars.size(); i != e; ++i) { 4743db8264e4c5ffd7af6fbad4ca4306bd382bb02691Jordy Rose const FieldDecl *Field = cast<FieldDecl>(Ivars[i]); 47442c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian if (Field->isBitField()) 47452c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, Field); 474643822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian else 47472c18bb7c9fca66c30b6eabbdcbc6399d24a54fa9Fariborz Jahanian getObjCEncodingForTypeImpl(Field->getType(), S, false, true, FD); 474843822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 474943822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian S += '}'; 4750ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 475143822eaeddeaa419b90f23c68af6b23c46788a58Fariborz Jahanian } 47521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4753183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const ObjCObjectPointerType *OPT = T->getAs<ObjCObjectPointerType>()) { 475414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (OPT->isObjCIdType()) { 475514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '@'; 475614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4757ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 47581eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 475927d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff if (OPT->isObjCClassType() || OPT->isObjCQualifiedClassType()) { 476027d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // FIXME: Consider if we need to output qualifiers for 'Class<p>'. 476127d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // Since this is a binary compatibility issue, need to consult with runtime 476227d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff // folks. Fortunately, this is a *very* obsure construct. 476314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '#'; 476414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4765ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 47661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4767ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (OPT->isObjCQualifiedIdType()) { 47681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(getObjCIdType(), S, 476914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandPointedToStructures, 477014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff ExpandStructures, FD); 4771dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson if (FD || EncodingProperty || EncodeClassNames) { 477214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Note that we do extended encoding of protocol qualifer list 477314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff // Only when doing ivar or property encoding. 477414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 477567ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 477667ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 477714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '<'; 477814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += (*I)->getNameAsString(); 477914108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '>'; 478014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 478114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff S += '"'; 478214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 478314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 4784ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 47851eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4786ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner QualType PointeeTy = OPT->getPointeeType(); 4787ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner if (!EncodingProperty && 4788ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner isa<TypedefType>(PointeeTy.getTypePtr())) { 4789ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // Another historical/compatibility reason. 47901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // We encode the underlying type which comes out as 4791ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner // {...}; 4792ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '^'; 47931eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump getObjCEncodingForTypeImpl(PointeeTy, S, 47941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump false, ExpandPointedToStructures, 4795ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner NULL); 479614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return; 479714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff } 4798ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner 4799ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '@'; 4800dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson if (OPT->getInterfaceDecl() && 4801dc8dab6fabf4bfd4f4b94bf572ac3342a5bbfcd7Bob Wilson (FD || EncodingProperty || EncodeClassNames)) { 4802ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 480327d20a24a1b816cecbd142727d2c81af5a6a111bSteve Naroff S += OPT->getInterfaceDecl()->getIdentifier()->getName(); 480467ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff for (ObjCObjectPointerType::qual_iterator I = OPT->qual_begin(), 480567ef8eaea8a0a2073147a8d863f0e3f30d525802Steve Naroff E = OPT->qual_end(); I != E; ++I) { 4806ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '<'; 4807ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += (*I)->getNameAsString(); 4808ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '>'; 48091eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump } 4810ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner S += '"'; 4811ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 4812ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner return; 4813ce7b38c4f1ea9c51e2f46a82e3f57456b74269d5Chris Lattner } 48141eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4815532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // gcc just blithely ignores member pointers. 4816532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall // TODO: maybe there should be a mangling for these 4817532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall if (T->getAs<MemberPointerType>()) 4818532ec7baf2d0791abc9551ef856a537711c5774aJohn McCall return; 4819e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4820e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian if (T->isVectorType()) { 4821e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // This matches gcc's encoding, even though technically it is 4822e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // insufficient. 4823e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian // FIXME. We should do a better job than gcc. 4824e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian return; 4825e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian } 4826e6012c7ecb9d848f4091c8c48e7d9946cc36b23fFariborz Jahanian 4827b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("@encode for type not implemented!"); 482885f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson} 482985f9bceab1542aafff012d4d28e998f4ba16e362Anders Carlsson 48302636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidisvoid ASTContext::getObjCEncodingForStructureImpl(RecordDecl *RDecl, 48312636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::string &S, 48322636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis const FieldDecl *FD, 48332636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis bool includeVBases) const { 48342636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(RDecl && "Expected non-null RecordDecl"); 48352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(!RDecl->isUnion() && "Should not be called for unions"); 48362636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->getDefinition()) 48372636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis return; 48382636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 48392636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *CXXRec = dyn_cast<CXXRecordDecl>(RDecl); 48402636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::multimap<uint64_t, NamedDecl *> FieldOrBaseOffsets; 48412636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis const ASTRecordLayout &layout = getASTRecordLayout(RDecl); 48422636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 48432636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec) { 48442636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (CXXRecordDecl::base_class_iterator 48452636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BI = CXXRec->bases_begin(), 48462636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BE = CXXRec->bases_end(); BI != BE; ++BI) { 48472636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!BI->isVirtual()) { 48482636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *base = BI->getType()->getAsCXXRecordDecl(); 4849829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis if (base->isEmpty()) 4850829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis continue; 48512636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getBaseClassOffsetInBits(base); 48522636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 48532636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, base)); 48542636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 48552636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 48562636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 48572636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 48582636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis unsigned i = 0; 48592636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (RecordDecl::field_iterator Field = RDecl->field_begin(), 48602636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldEnd = RDecl->field_end(); 48612636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis Field != FieldEnd; ++Field, ++i) { 48622636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getFieldOffset(i); 48632636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 4864581deb3da481053c4993c7600f97acf7768caac5David Blaikie std::make_pair(offs, *Field)); 48652636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 48662636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 48672636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec && includeVBases) { 48682636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (CXXRecordDecl::base_class_iterator 48692636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BI = CXXRec->vbases_begin(), 48702636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis BE = CXXRec->vbases_end(); BI != BE; ++BI) { 48712636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CXXRecordDecl *base = BI->getType()->getAsCXXRecordDecl(); 4872829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis if (base->isEmpty()) 4873829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis continue; 48742636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = layout.getVBaseClassOffsetInBits(base); 487519aa8609a5d04eed9b81aa1c4608e8a4f3df6ccdArgyrios Kyrtzidis if (FieldOrBaseOffsets.find(offs) == FieldOrBaseOffsets.end()) 487619aa8609a5d04eed9b81aa1c4608e8a4f3df6ccdArgyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.end(), 487719aa8609a5d04eed9b81aa1c4608e8a4f3df6ccdArgyrios Kyrtzidis std::make_pair(offs, base)); 48782636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 48792636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 48802636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 48812636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CharUnits size; 48822636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRec) { 48832636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis size = includeVBases ? layout.getSize() : layout.getNonVirtualSize(); 48842636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 48852636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis size = layout.getSize(); 48862636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 48872636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 48882636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t CurOffs = 0; 48892636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::multimap<uint64_t, NamedDecl *>::iterator 48902636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurLayObj = FieldOrBaseOffsets.begin(); 48912636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 489258db7a575efc9a2f35266fe240feac3cf317753dDouglas Gregor if (CXXRec && CXXRec->isDynamicClass() && 489358db7a575efc9a2f35266fe240feac3cf317753dDouglas Gregor (CurLayObj == FieldOrBaseOffsets.end() || CurLayObj->first != 0)) { 48942636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 48952636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += "\"_vptr$"; 48962636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::string recname = CXXRec->getNameAsString(); 48972636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (recname.empty()) recname = "?"; 48982636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += recname; 48992636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 49002636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 49012636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += "^^?"; 49022636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += getTypeSize(VoidPtrTy); 49032636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 49042636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 49052636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (!RDecl->hasFlexibleArrayMember()) { 49062636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // Mark the end of the structure. 49072636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t offs = toBits(size); 49082636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldOrBaseOffsets.insert(FieldOrBaseOffsets.upper_bound(offs), 49092636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis std::make_pair(offs, (NamedDecl*)0)); 49102636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 49112636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 49122636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis for (; CurLayObj != FieldOrBaseOffsets.end(); ++CurLayObj) { 49132636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis assert(CurOffs <= CurLayObj->first); 49142636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 49152636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CurOffs < CurLayObj->first) { 49162636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis uint64_t padding = CurLayObj->first - CurOffs; 49172636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // FIXME: There doesn't seem to be a way to indicate in the encoding that 49182636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // packing/alignment of members is different that normal, in which case 49192636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // the encoding will be out-of-sync with the real layout. 49202636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // If the runtime switches to just consider the size of types without 49212636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // taking into account alignment, we could make padding explicit in the 49222636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // encoding (e.g. using arrays of chars). The encoding strings would be 49232636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // longer then though. 49242636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += padding; 49252636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 49262636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 49272636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis NamedDecl *dcl = CurLayObj->second; 49282636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (dcl == 0) 49292636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis break; // reached end of structure. 49302636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 49312636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (CXXRecordDecl *base = dyn_cast<CXXRecordDecl>(dcl)) { 49322636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // We expand the bases without their virtual bases since those are going 49332636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // in the initial structure. Note that this differs from gcc which 49342636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // expands virtual bases each time one is encountered in the hierarchy, 49352636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis // making the encoding type bigger than it really is. 49362636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForStructureImpl(base, S, FD, /*includeVBases*/false); 4937829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis assert(!base->isEmpty()); 4938829f20097e030229fd4c234b84948f53312eaf55Argyrios Kyrtzidis CurOffs += toBits(getASTRecordLayout(base).getNonVirtualSize()); 49392636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 49402636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis FieldDecl *field = cast<FieldDecl>(dcl); 49412636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (FD) { 49422636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 49432636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += field->getNameAsString(); 49442636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis S += '"'; 49452636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 49462636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 49472636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis if (field->isBitField()) { 49482636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis EncodeBitField(this, S, field->getType(), field); 4949a6b8b2c09610b8bc4330e948ece8b940c2386406Richard Smith CurOffs += field->getBitWidthValue(*this); 49502636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } else { 49512636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis QualType qt = field->getType(); 49522636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getLegacyIntegralTypeEncoding(qt); 49532636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis getObjCEncodingForTypeImpl(qt, S, false, true, FD, 49542636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*OutermostType*/false, 49552636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*EncodingProperty*/false, 49562636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis /*StructField*/true); 49572636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis CurOffs += getTypeSize(field->getType()); 49582636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 49592636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 49602636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis } 49612636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis} 49622636197098e02fd7c90f9496056b8ab886dcbff0Argyrios Kyrtzidis 49631eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid ASTContext::getObjCEncodingForTypeQualifier(Decl::ObjCDeclQualifier QT, 4964ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian std::string& S) const { 4965ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_In) 4966ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'n'; 4967ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Inout) 4968ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'N'; 4969ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Out) 4970ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'o'; 4971ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Bycopy) 4972ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'O'; 4973ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Byref) 4974ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'R'; 4975ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian if (QT & Decl::OBJC_TQ_Oneway) 4976ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian S += 'V'; 4977ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian} 4978ecb01e666665efabd2aa76a76f6080e2a78965faFariborz Jahanian 49794dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas GregorTypedefDecl *ASTContext::getObjCIdDecl() const { 49804dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor if (!ObjCIdDecl) { 49814dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor QualType T = getObjCObjectType(ObjCBuiltinIdTy, 0, 0); 49824dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor T = getObjCObjectPointerType(T); 49834dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor TypeSourceInfo *IdInfo = getTrivialTypeSourceInfo(T); 49844dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor ObjCIdDecl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 49854dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor getTranslationUnitDecl(), 49864dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor SourceLocation(), SourceLocation(), 49874dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor &Idents.get("id"), IdInfo); 49884dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor } 49894dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor 49904dfd02a17c6d604c72e6936527c5e1c56d3ecb7aDouglas Gregor return ObjCIdDecl; 49917e219e47de26346885d667131977bd9ca2d7662aSteve Naroff} 49927e219e47de26346885d667131977bd9ca2d7662aSteve Naroff 49937a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas GregorTypedefDecl *ASTContext::getObjCSelDecl() const { 49947a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor if (!ObjCSelDecl) { 49957a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor QualType SelT = getPointerType(ObjCBuiltinSelTy); 49967a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor TypeSourceInfo *SelInfo = getTrivialTypeSourceInfo(SelT); 49977a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor ObjCSelDecl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 49987a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor getTranslationUnitDecl(), 49997a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor SourceLocation(), SourceLocation(), 50007a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor &Idents.get("SEL"), SelInfo); 50017a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor } 50027a27ea52b7bd635c89bec5a9c521a3bf7d204238Douglas Gregor return ObjCSelDecl; 5003b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian} 5004b62f6813406a03bf8a371c4e46c9fad51d102121Fariborz Jahanian 500579d6726921897811232554ed94c5d77b5b7b3fc0Douglas GregorTypedefDecl *ASTContext::getObjCClassDecl() const { 500679d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor if (!ObjCClassDecl) { 500779d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor QualType T = getObjCObjectType(ObjCBuiltinClassTy, 0, 0); 500879d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor T = getObjCObjectPointerType(T); 500979d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor TypeSourceInfo *ClassInfo = getTrivialTypeSourceInfo(T); 501079d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor ObjCClassDecl = TypedefDecl::Create(const_cast<ASTContext &>(*this), 501179d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor getTranslationUnitDecl(), 501279d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor SourceLocation(), SourceLocation(), 501379d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor &Idents.get("Class"), ClassInfo); 501479d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor } 501579d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor 501679d6726921897811232554ed94c5d77b5b7b3fc0Douglas Gregor return ObjCClassDecl; 5017a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor} 5018a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor 5019a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas GregorObjCInterfaceDecl *ASTContext::getObjCProtocolDecl() const { 5020a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor if (!ObjCProtocolClassDecl) { 5021a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor ObjCProtocolClassDecl 5022a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor = ObjCInterfaceDecl::Create(*this, getTranslationUnitDecl(), 5023a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor SourceLocation(), 5024a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor &Idents.get("Protocol"), 5025a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor /*PrevDecl=*/0, 5026a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor SourceLocation(), true); 5027a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor } 5028a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor 5029a6ea10e22b600d92e084f6b11b9b9a92d0eb2412Douglas Gregor return ObjCProtocolClassDecl; 50308baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson} 50318baaca50f07d0c10bba69c8d88c1b9078c92d06dAnders Carlsson 5032c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge//===----------------------------------------------------------------------===// 5033c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge// __builtin_va_list Construction Functions 5034c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge//===----------------------------------------------------------------------===// 5035c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5036c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Ingestatic TypedefDecl *CreateCharPtrBuiltinVaListDecl(const ASTContext *Context) { 5037c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // typedef char* __builtin_va_list; 5038c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge QualType CharPtrType = Context->getPointerType(Context->CharTy); 5039c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge TypeSourceInfo *TInfo 5040c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge = Context->getTrivialTypeSourceInfo(CharPtrType); 5041c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5042c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge TypedefDecl *VaListTypeDecl 5043c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge = TypedefDecl::Create(const_cast<ASTContext &>(*Context), 5044c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge Context->getTranslationUnitDecl(), 5045c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge SourceLocation(), SourceLocation(), 5046c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge &Context->Idents.get("__builtin_va_list"), 5047c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge TInfo); 5048c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge return VaListTypeDecl; 5049c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge} 5050c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5051c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Ingestatic TypedefDecl *CreateVoidPtrBuiltinVaListDecl(const ASTContext *Context) { 5052c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // typedef void* __builtin_va_list; 5053c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge QualType VoidPtrType = Context->getPointerType(Context->VoidTy); 5054c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge TypeSourceInfo *TInfo 5055c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge = Context->getTrivialTypeSourceInfo(VoidPtrType); 5056c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5057c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge TypedefDecl *VaListTypeDecl 5058c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge = TypedefDecl::Create(const_cast<ASTContext &>(*Context), 5059c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge Context->getTranslationUnitDecl(), 5060c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge SourceLocation(), SourceLocation(), 5061c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge &Context->Idents.get("__builtin_va_list"), 5062c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge TInfo); 5063c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge return VaListTypeDecl; 5064c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge} 5065c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5066c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Ingestatic TypedefDecl *CreatePowerABIBuiltinVaListDecl(const ASTContext *Context) { 5067c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // typedef struct __va_list_tag { 5068c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge RecordDecl *VaListTagDecl; 5069c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5070c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge VaListTagDecl = CreateRecordDecl(*Context, TTK_Struct, 5071c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge Context->getTranslationUnitDecl(), 5072c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge &Context->Idents.get("__va_list_tag")); 5073c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge VaListTagDecl->startDefinition(); 5074c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5075c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge const size_t NumFields = 5; 5076c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge QualType FieldTypes[NumFields]; 5077c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge const char *FieldNames[NumFields]; 5078c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5079c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // unsigned char gpr; 5080c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldTypes[0] = Context->UnsignedCharTy; 5081c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldNames[0] = "gpr"; 5082c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5083c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // unsigned char fpr; 5084c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldTypes[1] = Context->UnsignedCharTy; 5085c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldNames[1] = "fpr"; 5086c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5087c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // unsigned short reserved; 5088c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldTypes[2] = Context->UnsignedShortTy; 5089c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldNames[2] = "reserved"; 5090c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5091c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // void* overflow_arg_area; 5092c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldTypes[3] = Context->getPointerType(Context->VoidTy); 5093c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldNames[3] = "overflow_arg_area"; 5094c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5095c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // void* reg_save_area; 5096c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldTypes[4] = Context->getPointerType(Context->VoidTy); 5097c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldNames[4] = "reg_save_area"; 5098c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5099c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // Create fields 5100c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge for (unsigned i = 0; i < NumFields; ++i) { 5101c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldDecl *Field = FieldDecl::Create(*Context, VaListTagDecl, 5102c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge SourceLocation(), 5103c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge SourceLocation(), 5104c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge &Context->Idents.get(FieldNames[i]), 5105c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldTypes[i], /*TInfo=*/0, 5106c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge /*BitWidth=*/0, 5107c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge /*Mutable=*/false, 5108c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge ICIS_NoInit); 5109c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge Field->setAccess(AS_public); 5110c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge VaListTagDecl->addDecl(Field); 5111c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge } 5112c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge VaListTagDecl->completeDefinition(); 5113c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge QualType VaListTagType = Context->getRecordType(VaListTagDecl); 5114c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5115c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // } __va_list_tag; 5116c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge TypedefDecl *VaListTagTypedefDecl 5117c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge = TypedefDecl::Create(const_cast<ASTContext &>(*Context), 5118c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge Context->getTranslationUnitDecl(), 5119c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge SourceLocation(), SourceLocation(), 5120c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge &Context->Idents.get("__va_list_tag"), 5121c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge Context->getTrivialTypeSourceInfo(VaListTagType)); 5122c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge QualType VaListTagTypedefType = 5123c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge Context->getTypedefType(VaListTagTypedefDecl); 5124c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5125c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // typedef __va_list_tag __builtin_va_list[1]; 5126c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge llvm::APInt Size(Context->getTypeSize(Context->getSizeType()), 1); 5127c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge QualType VaListTagArrayType 5128c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge = Context->getConstantArrayType(VaListTagTypedefType, 5129c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge Size, ArrayType::Normal, 0); 5130c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge TypeSourceInfo *TInfo 5131c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge = Context->getTrivialTypeSourceInfo(VaListTagArrayType); 5132c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge TypedefDecl *VaListTypedefDecl 5133c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge = TypedefDecl::Create(const_cast<ASTContext &>(*Context), 5134c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge Context->getTranslationUnitDecl(), 5135c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge SourceLocation(), SourceLocation(), 5136c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge &Context->Idents.get("__builtin_va_list"), 5137c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge TInfo); 5138c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5139c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge return VaListTypedefDecl; 5140c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge} 5141c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5142c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Ingestatic TypedefDecl * 5143c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador IngeCreateX86_64ABIBuiltinVaListDecl(const ASTContext *Context) { 5144c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // typedef struct __va_list_tag { 5145c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge RecordDecl *VaListTagDecl; 5146c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge VaListTagDecl = CreateRecordDecl(*Context, TTK_Struct, 5147c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge Context->getTranslationUnitDecl(), 5148c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge &Context->Idents.get("__va_list_tag")); 5149c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge VaListTagDecl->startDefinition(); 5150c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5151c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge const size_t NumFields = 4; 5152c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge QualType FieldTypes[NumFields]; 5153c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge const char *FieldNames[NumFields]; 5154c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5155c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // unsigned gp_offset; 5156c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldTypes[0] = Context->UnsignedIntTy; 5157c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldNames[0] = "gp_offset"; 5158c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5159c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // unsigned fp_offset; 5160c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldTypes[1] = Context->UnsignedIntTy; 5161c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldNames[1] = "fp_offset"; 5162c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5163c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // void* overflow_arg_area; 5164c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldTypes[2] = Context->getPointerType(Context->VoidTy); 5165c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldNames[2] = "overflow_arg_area"; 5166c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5167c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // void* reg_save_area; 5168c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldTypes[3] = Context->getPointerType(Context->VoidTy); 5169c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldNames[3] = "reg_save_area"; 5170c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5171c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // Create fields 5172c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge for (unsigned i = 0; i < NumFields; ++i) { 5173c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldDecl *Field = FieldDecl::Create(const_cast<ASTContext &>(*Context), 5174c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge VaListTagDecl, 5175c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge SourceLocation(), 5176c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge SourceLocation(), 5177c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge &Context->Idents.get(FieldNames[i]), 5178c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge FieldTypes[i], /*TInfo=*/0, 5179c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge /*BitWidth=*/0, 5180c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge /*Mutable=*/false, 5181c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge ICIS_NoInit); 5182c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge Field->setAccess(AS_public); 5183c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge VaListTagDecl->addDecl(Field); 5184c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge } 5185c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge VaListTagDecl->completeDefinition(); 5186c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge QualType VaListTagType = Context->getRecordType(VaListTagDecl); 5187c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5188c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // } __va_list_tag; 5189c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge TypedefDecl *VaListTagTypedefDecl 5190c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge = TypedefDecl::Create(const_cast<ASTContext &>(*Context), 5191c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge Context->getTranslationUnitDecl(), 5192c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge SourceLocation(), SourceLocation(), 5193c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge &Context->Idents.get("__va_list_tag"), 5194c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge Context->getTrivialTypeSourceInfo(VaListTagType)); 5195c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge QualType VaListTagTypedefType = 5196c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge Context->getTypedefType(VaListTagTypedefDecl); 5197c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5198c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // typedef __va_list_tag __builtin_va_list[1]; 5199c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge llvm::APInt Size(Context->getTypeSize(Context->getSizeType()), 1); 5200c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge QualType VaListTagArrayType 5201c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge = Context->getConstantArrayType(VaListTagTypedefType, 5202c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge Size, ArrayType::Normal,0); 5203c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge TypeSourceInfo *TInfo 5204c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge = Context->getTrivialTypeSourceInfo(VaListTagArrayType); 5205c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge TypedefDecl *VaListTypedefDecl 5206c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge = TypedefDecl::Create(const_cast<ASTContext &>(*Context), 5207c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge Context->getTranslationUnitDecl(), 5208c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge SourceLocation(), SourceLocation(), 5209c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge &Context->Idents.get("__builtin_va_list"), 5210c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge TInfo); 5211c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5212c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge return VaListTypedefDecl; 5213c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge} 5214c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5215c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Ingestatic TypedefDecl *CreatePNaClABIBuiltinVaListDecl(const ASTContext *Context) { 5216c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge // typedef int __builtin_va_list[4]; 5217c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge llvm::APInt Size(Context->getTypeSize(Context->getSizeType()), 4); 5218c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge QualType IntArrayType 5219c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge = Context->getConstantArrayType(Context->IntTy, 5220c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge Size, ArrayType::Normal, 0); 5221c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge TypedefDecl *VaListTypedefDecl 5222c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge = TypedefDecl::Create(const_cast<ASTContext &>(*Context), 5223c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge Context->getTranslationUnitDecl(), 5224c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge SourceLocation(), SourceLocation(), 5225c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge &Context->Idents.get("__builtin_va_list"), 5226c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge Context->getTrivialTypeSourceInfo(IntArrayType)); 5227c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5228c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge return VaListTypedefDecl; 5229c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge} 5230c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5231c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Ingestatic TypedefDecl *CreateVaListDecl(const ASTContext *Context, 5232c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge TargetInfo::BuiltinVaListKind Kind) { 5233c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge switch (Kind) { 5234c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge case TargetInfo::CharPtrBuiltinVaList: 5235c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge return CreateCharPtrBuiltinVaListDecl(Context); 5236c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge case TargetInfo::VoidPtrBuiltinVaList: 5237c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge return CreateVoidPtrBuiltinVaListDecl(Context); 5238c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge case TargetInfo::PowerABIBuiltinVaList: 5239c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge return CreatePowerABIBuiltinVaListDecl(Context); 5240c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge case TargetInfo::X86_64ABIBuiltinVaList: 5241c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge return CreateX86_64ABIBuiltinVaListDecl(Context); 5242c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge case TargetInfo::PNaClABIBuiltinVaList: 5243c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge return CreatePNaClABIBuiltinVaListDecl(Context); 5244c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge } 5245c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5246c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge llvm_unreachable("Unhandled __builtin_va_list type kind"); 5247c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge} 5248c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5249c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador IngeTypedefDecl *ASTContext::getBuiltinVaListDecl() const { 5250c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge if (!BuiltinVaListDecl) 5251c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge BuiltinVaListDecl = CreateVaListDecl(this, Target->getBuiltinVaListKind()); 5252c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5253c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge return BuiltinVaListDecl; 5254c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge} 5255c5613b26a24a33d7450e3d0bf315c6ccc920ce7bMeador Inge 5256a526c5c67e5a0473c340903ee542ce570119665fTed Kremenekvoid ASTContext::setObjCConstantStringInterface(ObjCInterfaceDecl *Decl) { 52571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert(ObjCConstantStringType.isNull() && 52582198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff "'NSConstantString' type already set!"); 52591eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5260a526c5c67e5a0473c340903ee542ce570119665fTed Kremenek ObjCConstantStringType = getObjCInterfaceType(Decl); 52612198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff} 52622198891824c38d45b2279de5d5e3ef9394eb457cSteve Naroff 52630bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// \brief Retrieve the template name that corresponds to a non-empty 52640bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall/// lookup. 52654ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 52664ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getOverloadedTemplateName(UnresolvedSetIterator Begin, 52674ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad UnresolvedSetIterator End) const { 52680bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall unsigned size = End - Begin; 52690bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(size > 1 && "set is not overloaded!"); 52707532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 52710bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall void *memory = Allocate(sizeof(OverloadedTemplateStorage) + 52720bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall size * sizeof(FunctionTemplateDecl*)); 52730bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall OverloadedTemplateStorage *OT = new(memory) OverloadedTemplateStorage(size); 52740bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall 52750bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl **Storage = OT->getStorage(); 5276eec51cf1ba5f0e62c9cdb81b5c63babdd6e649abJohn McCall for (UnresolvedSetIterator I = Begin; I != End; ++I) { 52770bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall NamedDecl *D = *I; 52780bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall assert(isa<FunctionTemplateDecl>(D) || 52790bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall (isa<UsingShadowDecl>(D) && 52800bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall isa<FunctionTemplateDecl>(D->getUnderlyingDecl()))); 52810bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall *Storage++ = D; 52827532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 52837532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 52840bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall return TemplateName(OT); 52857532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 52867532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 5287d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// \brief Retrieve the template name that represents a qualified 5288d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor/// template name such as \c std::vector. 52894ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 52904ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getQualifiedTemplateName(NestedNameSpecifier *NNS, 52914ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad bool TemplateKeyword, 52924ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad TemplateDecl *Template) const { 52930f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor assert(NNS && "Missing nested-name-specifier in qualified template name"); 52940f0ea2a96534c615ff5fdd81363989b23cf2164aDouglas Gregor 5295789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor // FIXME: Canonicalization? 5296d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor llvm::FoldingSetNodeID ID; 5297d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName::Profile(ID, NNS, TemplateKeyword, Template); 52981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5299d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor void *InsertPos = 0; 5300d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateName *QTN = 53010bd6feb9e9d40fc889fd47e899985125a43dfed8John McCall QualifiedTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 5302d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor if (!QTN) { 5303d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QTN = new (*this,4) QualifiedTemplateName(NNS, TemplateKeyword, Template); 5304d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor QualifiedTemplateNames.InsertNode(QTN, InsertPos); 5305d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor } 53061eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5307d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor return TemplateName(QTN); 5308d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor} 5309d99cbe66403ee39c2ee58024b9582b95649a4fc5Douglas Gregor 53107532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// \brief Retrieve the template name that represents a dependent 53117532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor/// template name such as \c MetaFun::template apply. 53124ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadTemplateName 53134ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 53144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad const IdentifierInfo *Name) const { 53151eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump assert((!NNS || NNS->isDependent()) && 53163b6afbb99a1c44b4076f8e15fb7311405941b306Douglas Gregor "Nested name specifier must be dependent"); 53177532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 53187532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor llvm::FoldingSetNodeID ID; 53197532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName::Profile(ID, NNS, Name); 53207532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 53217532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor void *InsertPos = 0; 53227532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateName *QTN = 53237532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 53247532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 53257532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (QTN) 53267532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 53277532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 53287532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 53297532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor if (CanonNNS == NNS) { 53307532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name); 53317532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } else { 53327532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Name); 53337532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Name, Canon); 5334789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN = 5335789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 5336789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent type name canonicalization broken"); 5337789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 53387532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor } 53397532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 53407532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 53417532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor return TemplateName(QTN); 53427532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor} 53437532dc66648cfe7432c9fe66dec5225f0ab301c6Douglas Gregor 5344ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// \brief Retrieve the template name that represents a dependent 5345ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor/// template name such as \c MetaFun::template operator+. 5346ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorTemplateName 5347ca1bdd7c269a2390d43c040a60511edd017ee130Douglas GregorASTContext::getDependentTemplateName(NestedNameSpecifier *NNS, 53484ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad OverloadedOperatorKind Operator) const { 5349ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor assert((!NNS || NNS->isDependent()) && 5350ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor "Nested name specifier must be dependent"); 5351ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 5352ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor llvm::FoldingSetNodeID ID; 5353ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateName::Profile(ID, NNS, Operator); 5354ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 5355ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor void *InsertPos = 0; 5356789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *QTN 5357789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 5358ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 5359ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (QTN) 5360ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 5361ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 5362ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor NestedNameSpecifier *CanonNNS = getCanonicalNestedNameSpecifier(NNS); 5363ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor if (CanonNNS == NNS) { 5364ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator); 5365ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } else { 5366ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor TemplateName Canon = getDependentTemplateName(CanonNNS, Operator); 5367ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor QTN = new (*this,4) DependentTemplateName(NNS, Operator, Canon); 5368789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor 5369789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor DependentTemplateName *CheckQTN 5370789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor = DependentTemplateNames.FindNodeOrInsertPos(ID, InsertPos); 5371789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor assert(!CheckQTN && "Dependent template name canonicalization broken"); 5372789b1f640205e81b5af250693246120f1ce9d147Douglas Gregor (void)CheckQTN; 5373ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor } 5374ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 5375ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor DependentTemplateNames.InsertNode(QTN, InsertPos); 5376ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor return TemplateName(QTN); 5377ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor} 5378ca1bdd7c269a2390d43c040a60511edd017ee130Douglas Gregor 53791aee05d08b2184acadeb36de300e216390780d6cDouglas GregorTemplateName 5380146060435c3efce95c95a092c7a1eb651cfb9ae0John McCallASTContext::getSubstTemplateTemplateParm(TemplateTemplateParmDecl *param, 5381146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall TemplateName replacement) const { 5382146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall llvm::FoldingSetNodeID ID; 5383146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage::Profile(ID, param, replacement); 5384146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 5385146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall void *insertPos = 0; 5386146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParmStorage *subst 5387146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall = SubstTemplateTemplateParms.FindNodeOrInsertPos(ID, insertPos); 5388146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 5389146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall if (!subst) { 5390146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall subst = new (*this) SubstTemplateTemplateParmStorage(param, replacement); 5391146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall SubstTemplateTemplateParms.InsertNode(subst, insertPos); 5392146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall } 5393146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 5394146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall return TemplateName(subst); 5395146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall} 5396146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall 5397146060435c3efce95c95a092c7a1eb651cfb9ae0John McCallTemplateName 53981aee05d08b2184acadeb36de300e216390780d6cDouglas GregorASTContext::getSubstTemplateTemplateParmPack(TemplateTemplateParmDecl *Param, 53991aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor const TemplateArgument &ArgPack) const { 54001aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ASTContext &Self = const_cast<ASTContext &>(*this); 54011aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor llvm::FoldingSetNodeID ID; 54021aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage::Profile(ID, Self, Param, ArgPack); 54031aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 54041aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor void *InsertPos = 0; 54051aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPackStorage *Subst 54061aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor = SubstTemplateTemplateParmPacks.FindNodeOrInsertPos(ID, InsertPos); 54071aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 54081aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor if (!Subst) { 5409146060435c3efce95c95a092c7a1eb651cfb9ae0John McCall Subst = new (*this) SubstTemplateTemplateParmPackStorage(Param, 54101aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_size(), 54111aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor ArgPack.pack_begin()); 54121aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor SubstTemplateTemplateParmPacks.InsertNode(Subst, InsertPos); 54131aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor } 54141aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 54151aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor return TemplateName(Subst); 54161aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor} 54171aee05d08b2184acadeb36de300e216390780d6cDouglas Gregor 5418b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor/// getFromTargetType - Given one of the integer types provided by 5419d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// TargetInfo, produce the corresponding type. The unsigned @p Type 5420d934112e6170b0fd940d8e40db6936cea2cdcf62Douglas Gregor/// is actually a value of type @c TargetInfo::IntType. 5421e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCallCanQualType ASTContext::getFromTargetType(unsigned Type) const { 5422b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor switch (Type) { 5423e27ec8ad56dbf1efb2de004b90fbbb86f740e3f1John McCall case TargetInfo::NoInt: return CanQualType(); 5424b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedShort: return ShortTy; 5425b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedShort: return UnsignedShortTy; 5426b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedInt: return IntTy; 5427b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedInt: return UnsignedIntTy; 5428b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLong: return LongTy; 5429b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLong: return UnsignedLongTy; 5430b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::SignedLongLong: return LongLongTy; 5431b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor case TargetInfo::UnsignedLongLong: return UnsignedLongLongTy; 5432b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor } 5433b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor 5434b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Unhandled TargetInfo::IntType value"); 5435b4e66d5259f90e9aae4d40fc5de801e046c7df94Douglas Gregor} 5436b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 5437b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 5438b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek// Type Predicates. 5439b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek//===----------------------------------------------------------------------===// 5440b6ccaac65ca72f72954eb3893bbd940bedd23f00Ted Kremenek 54414fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// getObjCGCAttr - Returns one of GCNone, Weak or Strong objc's 54424fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// garbage collection attribute. 54434fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian/// 5444ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCallQualifiers::GC ASTContext::getObjCGCAttrKind(QualType Ty) const { 54454e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().getGC() == LangOptions::NonGC) 5446ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::GCNone; 5447ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 54484e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie assert(getLangOpts().ObjC1); 5449ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall Qualifiers::GC GCAttrs = Ty.getObjCGCAttr(); 5450ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall 5451ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // Default behaviour under objective-C's gc is for ObjC pointers 5452ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // (or pointers to them) be treated as though they were declared 5453ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // as __strong. 5454ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (GCAttrs == Qualifiers::GCNone) { 5455ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall if (Ty->isObjCObjectPointerType() || Ty->isBlockPointerType()) 5456ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return Qualifiers::Strong; 5457ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall else if (Ty->isPointerType()) 5458ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall return getObjCGCAttrKind(Ty->getAs<PointerType>()->getPointeeType()); 5459ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall } else { 5460ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // It's not valid to set GC attributes on anything that isn't a 5461ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall // pointer. 5462ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#ifndef NDEBUG 5463ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall QualType CT = Ty->getCanonicalTypeInternal(); 5464ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall while (const ArrayType *AT = dyn_cast<ArrayType>(CT)) 5465ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall CT = AT->getElementType(); 5466ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall assert(CT->isAnyPointerType() || CT->isBlockPointerType()); 5467ae278a3a57595349a411f6474938d4dd1b263a0eJohn McCall#endif 54684fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian } 5469b7d2553edd2532d29b98b9e76bcf6a62bc48b417Chris Lattner return GCAttrs; 54704fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian} 54714fd83ea566f4a0c083001c84b75da6cc8c99c1d6Fariborz Jahanian 54726ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 54736ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner// Type Compatibility Testing 54746ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner//===----------------------------------------------------------------------===// 5475770951b5bb6028a8d326ddb4a13cef7d4a128162Chris Lattner 54761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// areCompatVectorTypes - Return true if the two specified vector types are 54776ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner/// compatible. 54786ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattnerstatic bool areCompatVectorTypes(const VectorType *LHS, 54796ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner const VectorType *RHS) { 5480467b27b9a24bdc823218ad1ad0e37673b6cc1e83John McCall assert(LHS->isCanonicalUnqualified() && RHS->isCanonicalUnqualified()); 54816ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return LHS->getElementType() == RHS->getElementType() && 548261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner LHS->getNumElements() == RHS->getNumElements(); 54836ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 54846ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 5485255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregorbool ASTContext::areCompatibleVectorTypes(QualType FirstVec, 5486255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor QualType SecondVec) { 5487255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(FirstVec->isVectorType() && "FirstVec should be a vector type"); 5488255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor assert(SecondVec->isVectorType() && "SecondVec should be a vector type"); 5489255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 5490255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor if (hasSameUnqualifiedType(FirstVec, SecondVec)) 5491255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 5492255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 5493f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // Treat Neon vector types and most AltiVec vector types as if they are the 5494f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson // equivalent GCC vector types. 5495255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *First = FirstVec->getAs<VectorType>(); 5496255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor const VectorType *Second = SecondVec->getAs<VectorType>(); 5497f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson if (First->getNumElements() == Second->getNumElements() && 5498255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor hasSameType(First->getElementType(), Second->getElementType()) && 5499f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecPixel && 5500f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson First->getVectorKind() != VectorType::AltiVecBool && 5501f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecPixel && 5502f69eb7cf8e616b5aad7911ec6f79b24b0a009227Bob Wilson Second->getVectorKind() != VectorType::AltiVecBool) 5503255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return true; 5504255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 5505255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor return false; 5506255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor} 5507255210ef415b9893f0e3794e8d9a704194c12f3cDouglas Gregor 55084084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 55094084c306635b70f37029dca938444e6013f08684Steve Naroff// ObjCQualifiedIdTypesAreCompatible - Compatibility testing for qualified id's. 55104084c306635b70f37029dca938444e6013f08684Steve Naroff//===----------------------------------------------------------------------===// 55114084c306635b70f37029dca938444e6013f08684Steve Naroff 55124084c306635b70f37029dca938444e6013f08684Steve Naroff/// ProtocolCompatibleWithProtocol - return 'true' if 'lProto' is in the 55134084c306635b70f37029dca938444e6013f08684Steve Naroff/// inheritance hierarchy of 'rProto'. 55144ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool 55154ba2a17694148e16eaa8d3917f657ffcd3667be4Jay FoadASTContext::ProtocolCompatibleWithProtocol(ObjCProtocolDecl *lProto, 55164ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad ObjCProtocolDecl *rProto) const { 55173fc73ee0c613715ebce78e30b4d050ea715a007dDouglas Gregor if (declaresSameEntity(lProto, rProto)) 551814108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return true; 55194084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCProtocolDecl::protocol_iterator PI = rProto->protocol_begin(), 55204084c306635b70f37029dca938444e6013f08684Steve Naroff E = rProto->protocol_end(); PI != E; ++PI) 55214084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lProto, *PI)) 55224084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 55234084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 55244084c306635b70f37029dca938444e6013f08684Steve Naroff} 552514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 55264084c306635b70f37029dca938444e6013f08684Steve Naroff/// QualifiedIdConformsQualifiedId - compare id<p,...> with id<p1,...> 55274084c306635b70f37029dca938444e6013f08684Steve Naroff/// return true if lhs's protocols conform to rhs's protocol; false 55284084c306635b70f37029dca938444e6013f08684Steve Naroff/// otherwise. 55294084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::QualifiedIdConformsQualifiedId(QualType lhs, QualType rhs) { 55304084c306635b70f37029dca938444e6013f08684Steve Naroff if (lhs->isObjCQualifiedIdType() && rhs->isObjCQualifiedIdType()) 55314084c306635b70f37029dca938444e6013f08684Steve Naroff return ObjCQualifiedIdTypesAreCompatible(lhs, rhs, false); 55324084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 55334084c306635b70f37029dca938444e6013f08684Steve Naroff} 55344084c306635b70f37029dca938444e6013f08684Steve Naroff 5535a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// ObjCQualifiedClassTypesAreCompatible - compare Class<p,...> and 5536a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian/// Class<p1, ...>. 5537a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanianbool ASTContext::ObjCQualifiedClassTypesAreCompatible(QualType lhs, 5538a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType rhs) { 5539a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *lhsQID = lhs->getAs<ObjCObjectPointerType>(); 5540a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 5541a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian assert ((lhsQID && rhsOPT) && "ObjCQualifiedClassTypesAreCompatible"); 5542a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5543a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 5544a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = lhsQID->qual_end(); I != E; ++I) { 5545a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian bool match = false; 5546a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *lhsProto = *I; 5547a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 5548a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian E = rhsOPT->qual_end(); J != E; ++J) { 5549a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 5550a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto)) { 5551a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian match = true; 5552a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian break; 5553a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5554a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5555a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (!match) 5556a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return false; 5557a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian } 5558a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return true; 5559a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian} 5560a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 55614084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIdTypesAreCompatible - We know that one of lhs/rhs is an 55624084c306635b70f37029dca938444e6013f08684Steve Naroff/// ObjCQualifiedIDType. 55634084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::ObjCQualifiedIdTypesAreCompatible(QualType lhs, QualType rhs, 55644084c306635b70f37029dca938444e6013f08684Steve Naroff bool compare) { 55654084c306635b70f37029dca938444e6013f08684Steve Naroff // Allow id<P..> and an 'id' or void* type in all cases. 55661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (lhs->isVoidPointerType() || 55674084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->isObjCIdType() || lhs->isObjCClassType()) 55684084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 55691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump else if (rhs->isVoidPointerType() || 55704084c306635b70f37029dca938444e6013f08684Steve Naroff rhs->isObjCIdType() || rhs->isObjCClassType()) 55714084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 55724084c306635b70f37029dca938444e6013f08684Steve Naroff 55734084c306635b70f37029dca938444e6013f08684Steve Naroff if (const ObjCObjectPointerType *lhsQID = lhs->getAsObjCQualifiedIdType()) { 5574183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *rhsOPT = rhs->getAs<ObjCObjectPointerType>(); 55751eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55764084c306635b70f37029dca938444e6013f08684Steve Naroff if (!rhsOPT) return false; 55771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 55784084c306635b70f37029dca938444e6013f08684Steve Naroff if (rhsOPT->qual_empty()) { 55791eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a unqualified interface pointer "NSString*", 55804084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 55814084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 55824084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 55834084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 55844084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 55854084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 55864084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 55870fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (!rhsID->ClassImplementsProtocol(*I, true)) 55884084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 55894084c306635b70f37029dca938444e6013f08684Steve Naroff } 55904084c306635b70f37029dca938444e6013f08684Steve Naroff } 55914084c306635b70f37029dca938444e6013f08684Steve Naroff // If there are no qualifiers and no interface, we have an 'id'. 55924084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 55934084c306635b70f37029dca938444e6013f08684Steve Naroff } 55941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // Both the right and left sides have qualifiers. 55954084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 55964084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 55974084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 55984084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 5599de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff 5600de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // when comparing an id<P> on lhs with a static type on rhs, 5601de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // see if static class implements all of id's protocols, directly or 5602de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff // through its super class and categories. 56034084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsOPT->qual_begin(), 56044084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsOPT->qual_end(); J != E; ++J) { 56054084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 56064084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 56074084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 56084084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 56098f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 56108f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 5611de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 56121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // If the RHS is a qualified interface pointer "NSString<P>*", 56134084c306635b70f37029dca938444e6013f08684Steve Naroff // make sure we check the class hierarchy. 56144084c306635b70f37029dca938444e6013f08684Steve Naroff if (ObjCInterfaceDecl *rhsID = rhsOPT->getInterfaceDecl()) { 56154084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsQID->qual_begin(), 56164084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsQID->qual_end(); I != E; ++I) { 56174084c306635b70f37029dca938444e6013f08684Steve Naroff // when comparing an id<P> on lhs with a static type on rhs, 56184084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 56194084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 56200fd8904c5f71a11d29f67716c3ebdf7ad1c855fbFariborz Jahanian if (rhsID->ClassImplementsProtocol(*I, true)) { 56214084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 56224084c306635b70f37029dca938444e6013f08684Steve Naroff break; 56234084c306635b70f37029dca938444e6013f08684Steve Naroff } 56244084c306635b70f37029dca938444e6013f08684Steve Naroff } 56254084c306635b70f37029dca938444e6013f08684Steve Naroff } 56264084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 5627de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return false; 5628de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 56291eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5630de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff return true; 5631de2e22d33afec98324a66a358dfe0951b3c7259aSteve Naroff } 56321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 56334084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *rhsQID = rhs->getAsObjCQualifiedIdType(); 56344084c306635b70f37029dca938444e6013f08684Steve Naroff assert(rhsQID && "One of the LHS/RHS should be id<x>"); 56354084c306635b70f37029dca938444e6013f08684Steve Naroff 56361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ObjCObjectPointerType *lhsOPT = 56374084c306635b70f37029dca938444e6013f08684Steve Naroff lhs->getAsObjCInterfacePointerType()) { 5638de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // If both the right and left sides have qualifiers. 56394084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator I = lhsOPT->qual_begin(), 56404084c306635b70f37029dca938444e6013f08684Steve Naroff E = lhsOPT->qual_end(); I != E; ++I) { 56414084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *lhsProto = *I; 56424084c306635b70f37029dca938444e6013f08684Steve Naroff bool match = false; 56434084c306635b70f37029dca938444e6013f08684Steve Naroff 5644de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // when comparing an id<P> on rhs with a static type on lhs, 56454084c306635b70f37029dca938444e6013f08684Steve Naroff // see if static class implements all of id's protocols, directly or 56464084c306635b70f37029dca938444e6013f08684Steve Naroff // through its super class and categories. 5647de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // First, lhs protocols in the qualifier list must be found, direct 5648de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // or indirect in rhs's qualifier list or it is a mismatch. 56494084c306635b70f37029dca938444e6013f08684Steve Naroff for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 56504084c306635b70f37029dca938444e6013f08684Steve Naroff E = rhsQID->qual_end(); J != E; ++J) { 56514084c306635b70f37029dca938444e6013f08684Steve Naroff ObjCProtocolDecl *rhsProto = *J; 56524084c306635b70f37029dca938444e6013f08684Steve Naroff if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 56534084c306635b70f37029dca938444e6013f08684Steve Naroff (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 56544084c306635b70f37029dca938444e6013f08684Steve Naroff match = true; 56554084c306635b70f37029dca938444e6013f08684Steve Naroff break; 56564084c306635b70f37029dca938444e6013f08684Steve Naroff } 56574084c306635b70f37029dca938444e6013f08684Steve Naroff } 56584084c306635b70f37029dca938444e6013f08684Steve Naroff if (!match) 56594084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 56604084c306635b70f37029dca938444e6013f08684Steve Naroff } 5661de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian 5662de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // Static class's protocols, or its super class or category protocols 5663de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // must be found, direct or indirect in rhs's qualifier list or it is a mismatch. 5664de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ObjCInterfaceDecl *lhsID = lhsOPT->getInterfaceDecl()) { 5665de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 5666de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian CollectInheritedProtocols(lhsID, LHSInheritedProtocols); 5667de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // This is rather dubious but matches gcc's behavior. If lhs has 5668de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // no type qualifier and its class has no static protocol(s) 5669de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian // assume that it is mismatch. 5670de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (LHSInheritedProtocols.empty() && lhsOPT->qual_empty()) 5671de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 5672de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5673de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian LHSInheritedProtocols.begin(), 5674de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = LHSInheritedProtocols.end(); I != E; ++I) { 5675de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian bool match = false; 5676de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *lhsProto = (*I); 5677de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian for (ObjCObjectPointerType::qual_iterator J = rhsQID->qual_begin(), 5678de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian E = rhsQID->qual_end(); J != E; ++J) { 5679de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian ObjCProtocolDecl *rhsProto = *J; 5680de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (ProtocolCompatibleWithProtocol(lhsProto, rhsProto) || 5681de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian (compare && ProtocolCompatibleWithProtocol(rhsProto, lhsProto))) { 5682de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian match = true; 5683de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian break; 5684de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5685de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5686de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian if (!match) 5687de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian return false; 5688de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 5689de5b17ea3c74d2844ed035a1edfa6479866139b5Fariborz Jahanian } 56904084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 56914084c306635b70f37029dca938444e6013f08684Steve Naroff } 56924084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 56934084c306635b70f37029dca938444e6013f08684Steve Naroff} 56944084c306635b70f37029dca938444e6013f08684Steve Naroff 56954084c306635b70f37029dca938444e6013f08684Steve Naroff/// canAssignObjCInterfaces - Return true if the two interface types are 56964084c306635b70f37029dca938444e6013f08684Steve Naroff/// compatible for assignment from RHS to LHS. This handles validation of any 56974084c306635b70f37029dca938444e6013f08684Steve Naroff/// protocol qualifiers on the LHS or RHS. 56984084c306635b70f37029dca938444e6013f08684Steve Naroff/// 56994084c306635b70f37029dca938444e6013f08684Steve Naroffbool ASTContext::canAssignObjCInterfaces(const ObjCObjectPointerType *LHSOPT, 57004084c306635b70f37029dca938444e6013f08684Steve Naroff const ObjCObjectPointerType *RHSOPT) { 5701c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 5702c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 5703c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 57044084c306635b70f37029dca938444e6013f08684Steve Naroff // If either type represents the built-in 'id' or 'Class' types, return true. 5705c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCUnqualifiedIdOrClass() || 5706c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHS->isObjCUnqualifiedIdOrClass()) 57074084c306635b70f37029dca938444e6013f08684Steve Naroff return true; 57084084c306635b70f37029dca938444e6013f08684Steve Naroff 5709c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->isObjCQualifiedId() || RHS->isObjCQualifiedId()) 57101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 57111eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump QualType(RHSOPT,0), 57124084c306635b70f37029dca938444e6013f08684Steve Naroff false); 5713a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5714a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian if (LHS->isObjCQualifiedClass() && RHS->isObjCQualifiedClass()) 5715a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian return ObjCQualifiedClassTypesAreCompatible(QualType(LHSOPT,0), 5716a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian QualType(RHSOPT,0)); 5717a8f8dac6a29f6d33474a38a32ce9dd859b696da9Fariborz Jahanian 5718c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // If we have 2 user-defined types, fall into that path. 5719c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHS->getInterface() && RHS->getInterface()) 57204084c306635b70f37029dca938444e6013f08684Steve Naroff return canAssignObjCInterfaces(LHS, RHS); 57211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 57224084c306635b70f37029dca938444e6013f08684Steve Naroff return false; 572314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff} 572414108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 5725132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// canAssignObjCInterfacesInBlockPointer - This routine is specifically written 5726fc8f0e14ad142ed811e90fbd9a30e419e301c717Chris Lattner/// for providing type-safety for objective-c pointers used to pass/return 5727132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// arguments in block literals. When passed as arguments, passing 'A*' where 5728132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// 'id' is expected is not OK. Passing 'Sub *" where 'Super *" is expected is 5729132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian/// not OK. For the return type, the opposite is not OK. 5730132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::canAssignObjCInterfacesInBlockPointer( 5731132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCObjectPointerType *LHSOPT, 5732a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 5733a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool BlockReturnType) { 5734a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (RHSOPT->isObjCBuiltinType() || LHSOPT->isObjCIdType()) 5735132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 5736132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5737132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHSOPT->isObjCBuiltinType()) { 5738132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return RHSOPT->isObjCBuiltinType() || RHSOPT->isObjCQualifiedIdType(); 5739132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5740132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5741a98344869c278295f38e106583906377520079b8Fariborz Jahanian if (LHSOPT->isObjCQualifiedIdType() || RHSOPT->isObjCQualifiedIdType()) 5742132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return ObjCQualifiedIdTypesAreCompatible(QualType(LHSOPT,0), 5743132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType(RHSOPT,0), 5744132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian false); 5745132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5746132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* LHS = LHSOPT->getInterfaceType(); 5747132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian const ObjCInterfaceType* RHS = RHSOPT->getInterfaceType(); 5748132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS && RHS) { // We have 2 user-defined types. 5749132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS != RHS) { 5750132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (LHS->getDecl()->isSuperClassOf(RHS->getDecl())) 5751a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return BlockReturnType; 5752132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (RHS->getDecl()->isSuperClassOf(LHS->getDecl())) 5753a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian return !BlockReturnType; 5754132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5755132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 5756132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return true; 5757132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 5758132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return false; 5759132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5760132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 5761e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// getIntersectionOfProtocols - This routine finds the intersection of set 5762e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// of protocols inherited from two distinct objective-c pointer objects. 5763e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// It is used to build composite qualifier list of the composite type of 5764e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian/// the conditional expression involving two objective-c pointer objects. 5765e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianstatic 5766e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanianvoid getIntersectionOfProtocols(ASTContext &Context, 5767e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *LHSOPT, 5768e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian const ObjCObjectPointerType *RHSOPT, 57695f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVectorImpl<ObjCProtocolDecl *> &IntersectionOfProtocols) { 5770e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5771c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHS = LHSOPT->getObjectType(); 5772c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHS = RHSOPT->getObjectType(); 5773c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS must have an interface base"); 5774c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS must have an interface base"); 5775e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5776e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> InheritedProtocolSet; 5777e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned LHSNumProtocols = LHS->getNumProtocols(); 5778e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (LHSNumProtocols > 0) 5779e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHS->qual_begin(), LHS->qual_end()); 5780e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian else { 5781432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> LHSInheritedProtocols; 5782c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(LHS->getInterface(), 5783c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSInheritedProtocols); 5784e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian InheritedProtocolSet.insert(LHSInheritedProtocols.begin(), 5785e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian LHSInheritedProtocols.end()); 5786e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5787e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5788e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian unsigned RHSNumProtocols = RHS->getNumProtocols(); 5789e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (RHSNumProtocols > 0) { 5790cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman ObjCProtocolDecl **RHSProtocols = 5791cb421fa690da545b58a720abe5f1c49b166dbde7Dan Gohman const_cast<ObjCProtocolDecl **>(RHS->qual_begin()); 5792e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian for (unsigned i = 0; i < RHSNumProtocols; ++i) 5793e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (InheritedProtocolSet.count(RHSProtocols[i])) 5794e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian IntersectionOfProtocols.push_back(RHSProtocols[i]); 57953060178ad9df29789505c1e6debcfc80a3a13587Chad Rosier } else { 5796432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> RHSInheritedProtocols; 5797c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Context.CollectInheritedProtocols(RHS->getInterface(), 5798c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSInheritedProtocols); 5799432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5800432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian RHSInheritedProtocols.begin(), 5801432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian E = RHSInheritedProtocols.end(); I != E; ++I) 5802432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian if (InheritedProtocolSet.count((*I))) 5803432a8893f7e30d141d7f279bd00b741a3cdac81fFariborz Jahanian IntersectionOfProtocols.push_back((*I)); 5804e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 5805e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian} 5806e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian 5807db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// areCommonBaseCompatible - Returns common base class of the two classes if 5808db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// one found. Note that this is O'2 algorithm. But it will be called as the 5809db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// last type comparison in a ?-exp of ObjC pointer types before a 5810db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian/// warning is issued. So, its invokation is extremely rare. 5811db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz JahanianQualType ASTContext::areCommonBaseCompatible( 5812c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Lptr, 5813c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectPointerType *Rptr) { 5814c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *LHS = Lptr->getObjectType(); 5815c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS = Rptr->getObjectType(); 5816c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* LDecl = LHS->getInterface(); 5817c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCInterfaceDecl* RDecl = RHS->getInterface(); 581860ef308e51c71b760d7f598c1b763ceb7b768148Douglas Gregor if (!LDecl || !RDecl || (declaresSameEntity(LDecl, RDecl))) 5819db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 5820db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 58217c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian do { 5822c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHS = cast<ObjCInterfaceType>(getObjCInterfaceType(LDecl)); 5823e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian if (canAssignObjCInterfaces(LHS, RHS)) { 58245f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<ObjCProtocolDecl *, 8> Protocols; 5825c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall getIntersectionOfProtocols(*this, Lptr, Rptr, Protocols); 5826c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 5827c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall QualType Result = QualType(LHS, 0); 5828c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!Protocols.empty()) 5829c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectType(Result, Protocols.data(), Protocols.size()); 5830c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall Result = getObjCObjectPointerType(Result); 5831c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall return Result; 5832e23fa2d0e84d1b878e012442a726c664216a9adfFariborz Jahanian } 58337c2bdcb4d30f2d370b4367664e6a11b075ce2cb3Fariborz Jahanian } while ((LDecl = LDecl->getSuperClass())); 5834db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 5835db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian return QualType(); 5836db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian} 5837db07b3f7cdcb505329c1280d7cf70791739a7cadFariborz Jahanian 5838c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCallbool ASTContext::canAssignObjCInterfaces(const ObjCObjectType *LHS, 5839c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType *RHS) { 5840c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(LHS->getInterface() && "LHS is not an interface type"); 5841c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall assert(RHS->getInterface() && "RHS is not an interface type"); 5842c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 58436ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // Verify that the base decls are compatible: the RHS must be a subclass of 58446ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // the LHS. 5845c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (!LHS->getInterface()->isSuperClassOf(RHS->getInterface())) 58466ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return false; 58471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 58486ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // RHS must have a superset of the protocols in the LHS. If the LHS is not 58496ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner // protocol qualified at all, then we are good. 5850c15cb2af27514ecc879daba9aa01389c5203685dSteve Naroff if (LHS->getNumProtocols() == 0) 58516ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner return true; 58521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5853b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // Okay, we know the LHS has protocol qualifiers. If the RHS doesn't, 5854b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // more detailed analysis is required. 5855b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (RHS->getNumProtocols() == 0) { 5856b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK, if LHS is a superclass of RHS *and* 5857b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // this superclass is assignment compatible with LHS. 5858b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // false otherwise. 5859627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian bool IsSuperClass = 5860627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian LHS->getInterface()->isSuperClassOf(RHS->getInterface()); 5861627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian if (IsSuperClass) { 5862b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // OK if conversion of LHS to SuperClass results in narrowing of types 5863b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // ; i.e., SuperClass may implement at least one of the protocols 5864b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // in LHS's protocol list. Example, SuperObj<P1> = lhs<P1,P2> is ok. 5865b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // But not SuperObj<P1,P2,P3> = lhs<P1,P2>. 5866b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian llvm::SmallPtrSet<ObjCProtocolDecl *, 8> SuperClassInheritedProtocols; 5867627788c29976fbeb4ad47bcfcb3576889070e357Fariborz Jahanian CollectInheritedProtocols(RHS->getInterface(), SuperClassInheritedProtocols); 5868b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian // If super class has no protocols, it is not a match. 5869b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassInheritedProtocols.empty()) 5870b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5871b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5872b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5873b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPE = LHS->qual_end(); 5874b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian LHSPI != LHSPE; LHSPI++) { 5875b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian bool SuperImplementsProtocol = false; 5876b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *LHSProto = (*LHSPI); 5877b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian 5878b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian for (llvm::SmallPtrSet<ObjCProtocolDecl*,8>::iterator I = 5879b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperClassInheritedProtocols.begin(), 5880b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian E = SuperClassInheritedProtocols.end(); I != E; ++I) { 5881b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian ObjCProtocolDecl *SuperClassProto = (*I); 5882b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (SuperClassProto->lookupProtocolNamed(LHSProto->getIdentifier())) { 5883b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian SuperImplementsProtocol = true; 5884b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian break; 5885b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5886b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5887b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian if (!SuperImplementsProtocol) 5888b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5889b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5890b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return true; 5891b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 5892b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian return false; 5893b7bc34a83aff8af09f2a78aa6d1dcafe18ad8619Fariborz Jahanian } 58941eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 5895c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator LHSPI = LHS->qual_begin(), 5896c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall LHSPE = LHS->qual_end(); 589791b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff LHSPI != LHSPE; LHSPI++) { 589891b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff bool RHSImplementsProtocol = false; 589991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff 590091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // If the RHS doesn't implement the protocol on the left, the types 590191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // are incompatible. 5902c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall for (ObjCObjectType::qual_iterator RHSPI = RHS->qual_begin(), 5903c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall RHSPE = RHS->qual_end(); 59048f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff RHSPI != RHSPE; RHSPI++) { 59058f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff if ((*RHSPI)->lookupProtocolNamed((*LHSPI)->getIdentifier())) { 590691b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff RHSImplementsProtocol = true; 59078f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff break; 59088f16756441450ed9fb39316e47d107fc2a1ef35bSteve Naroff } 590991b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 591091b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // FIXME: For better diagnostics, consider passing back the protocol name. 591191b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff if (!RHSImplementsProtocol) 591291b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return false; 591391b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff } 591491b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff // The RHS implements all protocols listed on the LHS. 591591b0b0cf6b537cbcbca0038c7032f87161a41d31Steve Naroff return true; 59166ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner} 59176ac46a4a521366d7ab36ebe2ce4e624ab96b06f9Chris Lattner 5918389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroffbool ASTContext::areComparableObjCPointerTypes(QualType LHS, QualType RHS) { 5919389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff // get the "pointed to" types 5920183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *LHSOPT = LHS->getAs<ObjCObjectPointerType>(); 5921183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const ObjCObjectPointerType *RHSOPT = RHS->getAs<ObjCObjectPointerType>(); 59221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 592314108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff if (!LHSOPT || !RHSOPT) 5924389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff return false; 592514108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 592614108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return canAssignObjCInterfaces(LHSOPT, RHSOPT) || 592714108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff canAssignObjCInterfaces(RHSOPT, LHSOPT); 5928389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff} 5929389bf46ae41241a656ed71b00ac2177d7f385651Steve Naroff 5930569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregorbool ASTContext::canBindObjCObjectType(QualType To, QualType From) { 5931569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor return canAssignObjCInterfaces( 5932569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(To)->getAs<ObjCObjectPointerType>(), 5933569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor getObjCObjectPointerType(From)->getAs<ObjCObjectPointerType>()); 5934569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor} 5935569c3166874324c24011f8ade6978421f0d39b3cDouglas Gregor 59361eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// typesAreCompatible - C99 6.7.3p9: For two qualified types to be compatible, 5937ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// both shall have the identically qualified version of a compatible type. 59381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// C99 6.2.7p1: Two types have compatible types if their types are the 5939ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff/// same. See 6.7.[2,3,5] for additional rules. 5940447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregorbool ASTContext::typesAreCompatible(QualType LHS, QualType RHS, 5941447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool CompareUnqualified) { 59424e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (getLangOpts().CPlusPlus) 59430e709abafbd939326850501f795cc7a92c88a354Douglas Gregor return hasSameType(LHS, RHS); 59440e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 5945447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return !mergeTypes(LHS, RHS, false, CompareUnqualified).isNull(); 59463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 59473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 5948c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanianbool ASTContext::propertyTypesAreCompatible(QualType LHS, QualType RHS) { 594982378391dfc3b2fc22f63dbf1552bd9aed39dc42Fariborz Jahanian return typesAreCompatible(LHS, RHS); 5950c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanian} 5951c286f3835eb6001c61664cef5d610dfaf80a6e9bFariborz Jahanian 5952132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanianbool ASTContext::typesAreBlockPointerCompatible(QualType LHS, QualType RHS) { 5953132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return !mergeTypes(LHS, RHS, true).isNull(); 5954132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian} 5955132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian 59564846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeTransparentUnionType - if T is a transparent union type and a member 59574846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// of T is compatible with SubType, return the merged type, else return 59584846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// QualType() 59594846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeTransparentUnionType(QualType T, QualType SubType, 59604846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 59614846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 59624846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (const RecordType *UT = T->getAsUnionType()) { 59634846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne RecordDecl *UD = UT->getDecl(); 59644846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (UD->hasAttr<TransparentUnionAttr>()) { 59654846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne for (RecordDecl::field_iterator it = UD->field_begin(), 59664846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne itend = UD->field_end(); it != itend; ++it) { 5967f91d7572ee7fa6f2926c8e7e816039a1154a59f8Peter Collingbourne QualType ET = it->getType().getUnqualifiedType(); 59684846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType MT = mergeTypes(ET, SubType, OfBlockPointer, Unqualified); 59694846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!MT.isNull()) 59704846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return MT; 59714846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 59724846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 59734846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne } 59744846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 59754846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return QualType(); 59764846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 59774846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 59784846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// mergeFunctionArgumentTypes - merge two types which appear as function 59794846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne/// argument types 59804846675e0e42d1802b0ffd8972a45e72aeb3758dPeter CollingbourneQualType ASTContext::mergeFunctionArgumentTypes(QualType lhs, QualType rhs, 59814846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool OfBlockPointer, 59824846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne bool Unqualified) { 59834846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // GNU extension: two types are compatible if they appear as a function 59844846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // argument, one of the types is a transparent union type and the other 59854846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne // type is compatible with a union member 59864846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType lmerge = mergeTransparentUnionType(lhs, rhs, OfBlockPointer, 59874846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 59884846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!lmerge.isNull()) 59894846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return lmerge; 59904846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 59914846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType rmerge = mergeTransparentUnionType(rhs, lhs, OfBlockPointer, 59924846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 59934846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne if (!rmerge.isNull()) 59944846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return rmerge; 59954846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 59964846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne return mergeTypes(lhs, rhs, OfBlockPointer, Unqualified); 59974846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne} 59984846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne 5999132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeFunctionTypes(QualType lhs, QualType rhs, 6000447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 6001447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool Unqualified) { 6002183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *lbase = lhs->getAs<FunctionType>(); 6003183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *rbase = rhs->getAs<FunctionType>(); 600472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *lproto = dyn_cast<FunctionProtoType>(lbase); 600572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *rproto = dyn_cast<FunctionProtoType>(rbase); 60063d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allLTypes = true; 60073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman bool allRTypes = true; 60083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 60093d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check return type 6010132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian QualType retType; 6011d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (OfBlockPointer) { 6012d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType RHS = rbase->getResultType(); 6013d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian QualType LHS = lbase->getResultType(); 6014d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian bool UnqualifiedResult = Unqualified; 6015d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian if (!UnqualifiedResult) 6016d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian UnqualifiedResult = (!RHS.hasQualifiers() && LHS.hasQualifiers()); 6017a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian retType = mergeTypes(LHS, RHS, true, UnqualifiedResult, true); 6018d263fd1451299b1e5f5f1acb2bb13b0a4119aee8Fariborz Jahanian } 6019132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian else 60208cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall retType = mergeTypes(lbase->getResultType(), rbase->getResultType(), false, 60218cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall Unqualified); 60223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (retType.isNull()) return QualType(); 6023447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 6024447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 6025447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor retType = retType.getUnqualifiedType(); 6026447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 6027447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType LRetType = getCanonicalType(lbase->getResultType()); 6028447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor CanQualType RRetType = getCanonicalType(rbase->getResultType()); 6029447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 6030447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LRetType = LRetType.getUnqualifiedType(); 6031447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RRetType = RRetType.getUnqualifiedType(); 6032447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 6033447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 6034447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != LRetType) 603561710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 6036447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (getCanonicalType(retType) != RRetType) 603761710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 60388cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 60396a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: double check this 60406a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // FIXME: should we error if lbase->getRegParmAttr() != 0 && 60416a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // rbase->getRegParmAttr() != 0 && 60426a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar // lbase->getRegParmAttr() != rbase->getRegParmAttr()? 6043264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo lbaseInfo = lbase->getExtInfo(); 6044264ba48dc98f3f843935a485d5b086f7e0fdc4f1Rafael Espindola FunctionType::ExtInfo rbaseInfo = rbase->getExtInfo(); 60458cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 60468cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Compatible functions must have compatible calling conventions 60478cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (!isSameCallConv(lbaseInfo.getCC(), rbaseInfo.getCC())) 60488cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 60498cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 60508cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall // Regparm is part of the calling convention. 6051a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman if (lbaseInfo.getHasRegParm() != rbaseInfo.getHasRegParm()) 6052a49218e17bcbb1acde0245773173e2c0c42f4f19Eli Friedman return QualType(); 60538cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall if (lbaseInfo.getRegParm() != rbaseInfo.getRegParm()) 60548cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return QualType(); 60558cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall 6056f85e193739c953358c865005855253af4f68a497John McCall if (lbaseInfo.getProducesResult() != rbaseInfo.getProducesResult()) 6057f85e193739c953358c865005855253af4f68a497John McCall return QualType(); 6058f85e193739c953358c865005855253af4f68a497John McCall 605953c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian // functypes which return are preferred over those that do not. 606053c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian if (lbaseInfo.getNoReturn() && !rbaseInfo.getNoReturn()) 60616a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allLTypes = false; 606253c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian else if (!lbaseInfo.getNoReturn() && rbaseInfo.getNoReturn()) 60636a15c8586cc3e5d6e01c4c4e8b4374584569b58fDaniel Dunbar allRTypes = false; 606453c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian // FIXME: some uses, e.g. conditional exprs, really want this to be 'both'. 606553c8167d7a007daae87f342c0fedd03f1dcf1b62Fariborz Jahanian bool NoReturn = lbaseInfo.getNoReturn() || rbaseInfo.getNoReturn(); 60661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6067f85e193739c953358c865005855253af4f68a497John McCall FunctionType::ExtInfo einfo = lbaseInfo.withNoReturn(NoReturn); 6068e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 60693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto && rproto) { // two C99 style function prototypes 6070465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!lproto->hasExceptionSpec() && !rproto->hasExceptionSpec() && 6071465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl "C++ shouldn't be here"); 60723d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned lproto_nargs = lproto->getNumArgs(); 60733d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned rproto_nargs = rproto->getNumArgs(); 60743d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 60753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Compatible functions must have the same number of arguments 60763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto_nargs != rproto_nargs) 60773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 60783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 60793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Variadic and non-variadic functions aren't compatible 60803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto->isVariadic() != rproto->isVariadic()) 60813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 60823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 60837fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis if (lproto->getTypeQuals() != rproto->getTypeQuals()) 60847fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis return QualType(); 60857fb5e4888221cd36652d078c6b171ac55e7f406dArgyrios Kyrtzidis 608678213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian if (LangOpts.ObjCAutoRefCount && 608778213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian !FunctionTypesMatchOnNSConsumedAttrs(rproto, lproto)) 608878213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian return QualType(); 608978213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian 60903d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check argument compatibility 60915f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 10> types; 60923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < lproto_nargs; i++) { 60933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType largtype = lproto->getArgType(i).getUnqualifiedType(); 60943d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType rargtype = rproto->getArgType(i).getUnqualifiedType(); 60954846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne QualType argtype = mergeFunctionArgumentTypes(largtype, rargtype, 60964846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne OfBlockPointer, 60974846675e0e42d1802b0ffd8972a45e72aeb3758dPeter Collingbourne Unqualified); 60983d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argtype.isNull()) return QualType(); 6099447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 6100447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) 6101447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor argtype = argtype.getUnqualifiedType(); 6102447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 61033d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman types.push_back(argtype); 6104447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 6105447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor largtype = largtype.getUnqualifiedType(); 6106447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor rargtype = rargtype.getUnqualifiedType(); 6107447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 6108447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 610961710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(largtype)) 611061710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allLTypes = false; 611161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (getCanonicalType(argtype) != getCanonicalType(rargtype)) 611261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner allRTypes = false; 61133d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 611478213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian 61153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 61163d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 6117e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 6118e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = lproto->getExtProtoInfo(); 6119e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 6120e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(retType, types.begin(), types.size(), EPI); 61213d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 61223d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 61233d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (lproto) allRTypes = false; 61243d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (rproto) allLTypes = false; 61253d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 612672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor const FunctionProtoType *proto = lproto ? lproto : rproto; 61273d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto) { 6128465226e23a3008bd68973513dda1f9e3cd27dbddSebastian Redl assert(!proto->hasExceptionSpec() && "C++ shouldn't be here"); 61293d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (proto->isVariadic()) return QualType(); 61303d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Check that the types are compatible with the types that 61313d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // would result from default argument promotions (C99 6.7.5.3p15). 61323d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // The only types actually affected are promotable integer 61333d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // types and floats, which would be passed as a different 61343d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // type depending on whether the prototype is visible. 61353d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman unsigned proto_nargs = proto->getNumArgs(); 61363d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman for (unsigned i = 0; i < proto_nargs; ++i) { 61373d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType argTy = proto->getArgType(i); 6138b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 6139b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // Look at the promotion type of enum types, since that is the type used 6140b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor // to pass enum values. 6141b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor if (const EnumType *Enum = argTy->getAs<EnumType>()) 6142b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor argTy = Enum->getDecl()->getPromotionType(); 6143b0f8eacfdcd0d43f51e669f2d723992d4af9f746Douglas Gregor 61443d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (argTy->isPromotableIntegerType() || 61453d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman getCanonicalType(argTy).getUnqualifiedType() == FloatTy) 61463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 61473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 61483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 61493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 61503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 6151e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 6152e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = proto->getExtProtoInfo(); 6153e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = einfo; 61543d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getFunctionType(retType, proto->arg_type_begin(), 6155e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall proto->getNumArgs(), EPI); 61563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 61573d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 61583d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allLTypes) return lhs; 61593d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (allRTypes) return rhs; 61608cc246c9a68c783a5b90d2e8b8927521cb3a49b7John McCall return getFunctionNoProtoType(retType, einfo); 61613d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman} 61623d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 6163132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz JahanianQualType ASTContext::mergeTypes(QualType LHS, QualType RHS, 6164447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor bool OfBlockPointer, 6165a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian bool Unqualified, bool BlockReturnType) { 616643d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // C++ [expr]: If an expression initially has the type "reference to T", the 616743d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // type is adjusted to "T" prior to any further analysis, the expression 616843d69750e7f7b26076e7474dec8839bb777b260fBill Wendling // designates the object or function denoted by the reference, and the 61697c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // expression is an lvalue unless the reference is an rvalue reference and 61707c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl // the expression is a function call (possibly inside parentheses). 61710e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!LHS->getAs<ReferenceType>() && "LHS is a reference type?"); 61720e709abafbd939326850501f795cc7a92c88a354Douglas Gregor assert(!RHS->getAs<ReferenceType>() && "RHS is a reference type?"); 6173447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 6174447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 6175447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHS = LHS.getUnqualifiedType(); 6176447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHS = RHS.getUnqualifiedType(); 6177447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 61780e709abafbd939326850501f795cc7a92c88a354Douglas Gregor 61793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSCan = getCanonicalType(LHS), 61803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman RHSCan = getCanonicalType(RHS); 61813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 6182f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner // If two types are identical, they are compatible. 61833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LHSCan == RHSCan) 61843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 61853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 61860953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If the qualifiers are different, the types aren't compatible... mostly. 6187a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers LQuals = LHSCan.getLocalQualifiers(); 6188a4923eb7c4b04d360cb2747641a5e92818edf804Douglas Gregor Qualifiers RQuals = RHSCan.getLocalQualifiers(); 61890953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals != RQuals) { 61900953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // If any of these qualifiers are different, we have a type 61910953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // mismatch. 61920953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 6193f85e193739c953358c865005855253af4f68a497John McCall LQuals.getAddressSpace() != RQuals.getAddressSpace() || 6194f85e193739c953358c865005855253af4f68a497John McCall LQuals.getObjCLifetime() != RQuals.getObjCLifetime()) 61950953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 61960953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 61970953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Exactly one GC qualifier difference is allowed: __strong is 61980953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // okay if the other type has no GC qualifier but is an Objective 61990953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // C object pointer (i.e. implicitly strong by default). We fix 62000953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // this by pretending that the unqualified type was actually 62010953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // qualified __strong. 62020953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 62030953e767ff7817f97b3ab20896b229891eeff45bJohn McCall Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 62040953e767ff7817f97b3ab20896b229891eeff45bJohn McCall assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 62050953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 62060953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 62070953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return QualType(); 62080953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 62090953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_L == Qualifiers::Strong && RHSCan->isObjCObjectPointerType()) { 62100953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(LHS, getObjCGCQualType(RHS, Qualifiers::Strong)); 62110953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 62120953e767ff7817f97b3ab20896b229891eeff45bJohn McCall if (GC_R == Qualifiers::Strong && LHSCan->isObjCObjectPointerType()) { 62130953e767ff7817f97b3ab20896b229891eeff45bJohn McCall return mergeTypes(getObjCGCQualType(LHS, Qualifiers::Strong), RHS); 62140953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 62153d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 62160953e767ff7817f97b3ab20896b229891eeff45bJohn McCall } 62170953e767ff7817f97b3ab20896b229891eeff45bJohn McCall 62180953e767ff7817f97b3ab20896b229891eeff45bJohn McCall // Okay, qualifiers are equal. 62193d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 6220852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass LHSClass = LHSCan->getTypeClass(); 6221852d63b806c5cbd730c6b9d696e2e27d02546b49Eli Friedman Type::TypeClass RHSClass = RHSCan->getTypeClass(); 6222f3692dc4a47dc48d10cec0415c6e9e39b7a39707Chris Lattner 62231adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // We want to consider the two function types to be the same for these 62241adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // comparisons, just force one to the other. 62251adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (LHSClass == Type::FunctionProto) LHSClass = Type::FunctionNoProto; 62261adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner if (RHSClass == Type::FunctionProto) RHSClass = Type::FunctionNoProto; 62274c721d381fb279899337d120edd4a24d405e56b2Eli Friedman 62284c721d381fb279899337d120edd4a24d405e56b2Eli Friedman // Same as above for arrays 6229a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (LHSClass == Type::VariableArray || LHSClass == Type::IncompleteArray) 6230a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner LHSClass = Type::ConstantArray; 6231a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner if (RHSClass == Type::VariableArray || RHSClass == Type::IncompleteArray) 6232a36a61f218b9f7a97f2c0f511e0b29eb42e8f78bChris Lattner RHSClass = Type::ConstantArray; 62331eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 6234c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // ObjCInterfaces are just specialized ObjCObjects. 6235c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (LHSClass == Type::ObjCInterface) LHSClass = Type::ObjCObject; 6236c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (RHSClass == Type::ObjCInterface) RHSClass = Type::ObjCObject; 6237c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall 6238213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman // Canonicalize ExtVector -> Vector. 6239213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (LHSClass == Type::ExtVector) LHSClass = Type::Vector; 6240213541a68a3e137d11d2cefb612c6cdb410d7e8eNate Begeman if (RHSClass == Type::ExtVector) RHSClass = Type::Vector; 62411eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 62424e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff // If the canonical type classes don't match. 62434e78fd0a960eaa7e97467f2e8f390f3a57da279bSteve Naroff if (LHSClass != RHSClass) { 62441adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner // C99 6.7.2.2p4: Each enumerated type shall be compatible with char, 62451eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // a signed integer type, or an unsigned integer type. 6246842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // Compatibility is based on the underlying type, not the promotion 6247842aef8d942a880eeb9535d40de31a86838264cbJohn McCall // type. 6248183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = LHS->getAs<EnumType>()) { 6249b918d6b1f794266e126e5445d69233462087d764Fariborz Jahanian QualType TINT = ETy->getDecl()->getIntegerType(); 6250b918d6b1f794266e126e5445d69233462087d764Fariborz Jahanian if (!TINT.isNull() && hasSameType(TINT, RHSCan.getUnqualifiedType())) 62513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 6252bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 6253183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (const EnumType* ETy = RHS->getAs<EnumType>()) { 6254b918d6b1f794266e126e5445d69233462087d764Fariborz Jahanian QualType TINT = ETy->getDecl()->getIntegerType(); 6255b918d6b1f794266e126e5445d69233462087d764Fariborz Jahanian if (!TINT.isNull() && hasSameType(TINT, LHSCan.getUnqualifiedType())) 62563d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 6257bab96968886f4b77083f4e26a28986ddb1e42d67Eli Friedman } 6258e7cff2c00c3d74e38984a4db5c48d7e303d3ab8eFariborz Jahanian // allow block pointer type to match an 'id' type. 6259419636316c04d570c183b4797fc811932c588358Fariborz Jahanian if (OfBlockPointer && !BlockReturnType) { 6260419636316c04d570c183b4797fc811932c588358Fariborz Jahanian if (LHS->isObjCIdType() && RHS->isBlockPointerType()) 6261419636316c04d570c183b4797fc811932c588358Fariborz Jahanian return LHS; 6262419636316c04d570c183b4797fc811932c588358Fariborz Jahanian if (RHS->isObjCIdType() && LHS->isBlockPointerType()) 6263419636316c04d570c183b4797fc811932c588358Fariborz Jahanian return RHS; 6264419636316c04d570c183b4797fc811932c588358Fariborz Jahanian } 6265e7cff2c00c3d74e38984a4db5c48d7e303d3ab8eFariborz Jahanian 62663d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 6267ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 62683d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 62694a74678ed6c3dedac05d02b1ee341f1db869f049Steve Naroff // The canonical type classes match. 62701adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner switch (LHSClass) { 627172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define TYPE(Class, Base) 627272564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define ABSTRACT_TYPE(Class, Base) 6273ad5e73887052193afda72db8efcb812bd083a4a8John McCall#define NON_CANONICAL_UNLESS_DEPENDENT_TYPE(Class, Base) case Type::Class: 627472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define NON_CANONICAL_TYPE(Class, Base) case Type::Class: 627572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#define DEPENDENT_TYPE(Class, Base) case Type::Class: 627672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor#include "clang/AST/TypeNodes.def" 6277b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Non-canonical and dependent types shouldn't get here"); 627872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 62797c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::LValueReference: 62807c80bd64032e610c0dbd74fc0ef6ea334447f2fdSebastian Redl case Type::RValueReference: 628172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::MemberPointer: 6282b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("C++ should never be in mergeTypes"); 628372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 6284c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCInterface: 628572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::IncompleteArray: 628672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::VariableArray: 628772564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::FunctionProto: 628872564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::ExtVector: 6289b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Types are eliminated above"); 629072564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 62911adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Pointer: 62923d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 62933d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // Merge two pointer types, while trying to preserve typedef info 62946217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<PointerType>()->getPointeeType(); 62956217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<PointerType>()->getPointeeType(); 6296447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 6297447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 6298447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 6299447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 6300447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, false, 6301447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 63023d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 630307d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 630461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 630507d258756dc856c6987c394a0972884e6ed46765Eli Friedman if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 630661710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 63073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return getPointerType(ResultType); 63083d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 6309c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff case Type::BlockPointer: 6310c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff { 6311c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff // Merge two block pointer types, while trying to preserve typedef info 63126217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType LHSPointee = LHS->getAs<BlockPointerType>()->getPointeeType(); 63136217b80b7a1379b74cced1c076338262c3c980b3Ted Kremenek QualType RHSPointee = RHS->getAs<BlockPointerType>()->getPointeeType(); 6314447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 6315447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSPointee = LHSPointee.getUnqualifiedType(); 6316447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSPointee = RHSPointee.getUnqualifiedType(); 6317447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 6318447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSPointee, RHSPointee, OfBlockPointer, 6319447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor Unqualified); 6320c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (ResultType.isNull()) return QualType(); 6321c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(LHSPointee) == getCanonicalType(ResultType)) 6322c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return LHS; 6323c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff if (getCanonicalType(RHSPointee) == getCanonicalType(ResultType)) 6324c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return RHS; 6325c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff return getBlockPointerType(ResultType); 6326c0febd58f5cbf4a93fd12f461863564dba0af76dSteve Naroff } 6327b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman case Type::Atomic: 6328b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman { 6329b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman // Merge two pointer types, while trying to preserve typedef info 6330b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType LHSValue = LHS->getAs<AtomicType>()->getValueType(); 6331b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType RHSValue = RHS->getAs<AtomicType>()->getValueType(); 6332b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (Unqualified) { 6333b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman LHSValue = LHSValue.getUnqualifiedType(); 6334b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman RHSValue = RHSValue.getUnqualifiedType(); 6335b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 6336b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman QualType ResultType = mergeTypes(LHSValue, RHSValue, false, 6337b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman Unqualified); 6338b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (ResultType.isNull()) return QualType(); 6339b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (getCanonicalType(LHSValue) == getCanonicalType(ResultType)) 6340b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return LHS; 6341b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman if (getCanonicalType(RHSValue) == getCanonicalType(ResultType)) 6342b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return RHS; 6343b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman return getAtomicType(ResultType); 6344b001de7458d17c17e6d8b8034c7cfcefd3b70c00Eli Friedman } 63451adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::ConstantArray: 63463d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman { 63473d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* LCAT = getAsConstantArrayType(LHS); 63483d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const ConstantArrayType* RCAT = getAsConstantArrayType(RHS); 63493d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LCAT && RCAT && RCAT->getSize() != LCAT->getSize()) 63503d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 63513d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman 63523d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType LHSElem = getAsArrayType(LHS)->getElementType(); 63533d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman QualType RHSElem = getAsArrayType(RHS)->getElementType(); 6354447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor if (Unqualified) { 6355447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor LHSElem = LHSElem.getUnqualifiedType(); 6356447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor RHSElem = RHSElem.getUnqualifiedType(); 6357447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor } 6358447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor 6359447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor QualType ResultType = mergeTypes(LHSElem, RHSElem, false, Unqualified); 63603d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (ResultType.isNull()) return QualType(); 636161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LCAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 636261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 636361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RCAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 636461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 63653bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (LCAT) return getConstantArrayType(ResultType, LCAT->getSize(), 63663bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 63673bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (RCAT) return getConstantArrayType(ResultType, RCAT->getSize(), 63683bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman ArrayType::ArraySizeModifier(), 0); 63693d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* LVAT = getAsVariableArrayType(LHS); 63703d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman const VariableArrayType* RVAT = getAsVariableArrayType(RHS); 637161710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (LVAT && getCanonicalType(LHSElem) == getCanonicalType(ResultType)) 637261710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return LHS; 637361710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner if (RVAT && getCanonicalType(RHSElem) == getCanonicalType(ResultType)) 637461710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return RHS; 63753d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (LVAT) { 63763d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 63773d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of LHS, but the type 63783d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 63793d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 63803d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 63813d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman if (RVAT) { 63823d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // FIXME: This isn't correct! But tricky to implement because 63833d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // the array's size has to be the size of RHS, but the type 63843d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman // has to be different. 63853d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return RHS; 63863d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 63873bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(LHSElem) == getCanonicalType(ResultType)) return LHS; 63883bc0f45a5e65814f42b22dcdf7249d1120d16f36Eli Friedman if (getCanonicalType(RHSElem) == getCanonicalType(ResultType)) return RHS; 63897e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor return getIncompleteArrayType(ResultType, 63907e7eb3da052a6d80ddf2377cab0384c798f73f75Douglas Gregor ArrayType::ArraySizeModifier(), 0); 63913d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman } 63921adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::FunctionNoProto: 6393447234dd459a00a5ed9b7c3e066162cd7a75bf2dDouglas Gregor return mergeFunctionTypes(LHS, RHS, OfBlockPointer, Unqualified); 639472564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Record: 639572564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor case Type::Enum: 63963d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 63971adb88370beab45af2f065afe86b51ccd59ec50dChris Lattner case Type::Builtin: 63983cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner // Only exactly equal builtin types are compatible, which is tested above. 63993d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 640064cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar case Type::Complex: 640164cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar // Distinct complex types are incompatible. 640264cfdb7da3cb744642fe8a99ad5c851ad3c930b2Daniel Dunbar return QualType(); 64033cc4c0c3058a788689b8fc73c0ac139544435c97Chris Lattner case Type::Vector: 64045a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: The merged type should be an ExtVector! 64051c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall if (areCompatVectorTypes(LHSCan->getAs<VectorType>(), 64061c471f3e1c0ec8cbc82447bb35908dfc55463e46John McCall RHSCan->getAs<VectorType>())) 64073d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return LHS; 640861710854be2b098428aff5316e64bd34b30fbcb7Chris Lattner return QualType(); 6409c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall case Type::ObjCObject: { 6410c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall // Check if the types are assignment compatible. 64115a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // FIXME: This should be type compatibility, e.g. whether 64125a61f0e5c5aaecd5713c3fa4b78be7167a7eeff2Eli Friedman // "LHS x; RHS x;" at global scope is legal. 6413c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* LHSIface = LHS->getAs<ObjCObjectType>(); 6414c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall const ObjCObjectType* RHSIface = RHS->getAs<ObjCObjectType>(); 6415c12c5bba6ceb6acd4e51e7a0fc03257da9cfd44eJohn McCall if (canAssignObjCInterfaces(LHSIface, RHSIface)) 64165fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff return LHS; 64175fd659db11922fc12a58e478f7b745f9656b15a7Steve Naroff 64183d815e7eb56c25d7ed812eced32e41df43039f9aEli Friedman return QualType(); 641961490e9a965cfee8a78c12c6802138844f04250dCedric Venet } 642014108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff case Type::ObjCObjectPointer: { 6421132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (OfBlockPointer) { 6422132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian if (canAssignObjCInterfacesInBlockPointer( 6423132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian LHS->getAs<ObjCObjectPointerType>(), 6424a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian RHS->getAs<ObjCObjectPointerType>(), 6425a4fdbfad150ae37bddaa4094d3925a27a1a1cf3fFariborz Jahanian BlockReturnType)) 64267530c034c0c71a64c5a9173206d9742ae847af8bDavid Blaikie return LHS; 6427132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian return QualType(); 6428132f2a2da34f378fc675b9e174564b0f52c31d98Fariborz Jahanian } 6429183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall if (canAssignObjCInterfaces(LHS->getAs<ObjCObjectPointerType>(), 6430183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall RHS->getAs<ObjCObjectPointerType>())) 643114108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff return LHS; 643214108da7f7fc059772711e4ffee1322a27b152a7Steve Naroff 6433bc76dd06eb881c70c9775b74bab8b88cd747f173Steve Naroff return QualType(); 64347530c034c0c71a64c5a9173206d9742ae847af8bDavid Blaikie } 6435ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff } 643672564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor 64377530c034c0c71a64c5a9173206d9742ae847af8bDavid Blaikie llvm_unreachable("Invalid Type::Class!"); 6438ec0550fa3653d46560bf4484a2e988329c228e39Steve Naroff} 64397192f8e9592729882a09d84d77838db26e39ebd4Ted Kremenek 644078213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanianbool ASTContext::FunctionTypesMatchOnNSConsumedAttrs( 644178213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian const FunctionProtoType *FromFunctionType, 644278213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian const FunctionProtoType *ToFunctionType) { 644378213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian if (FromFunctionType->hasAnyConsumedArgs() != 644478213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian ToFunctionType->hasAnyConsumedArgs()) 644578213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian return false; 644678213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian FunctionProtoType::ExtProtoInfo FromEPI = 644778213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian FromFunctionType->getExtProtoInfo(); 644878213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian FunctionProtoType::ExtProtoInfo ToEPI = 644978213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian ToFunctionType->getExtProtoInfo(); 645078213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian if (FromEPI.ConsumedArguments && ToEPI.ConsumedArguments) 645178213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian for (unsigned ArgIdx = 0, NumArgs = FromFunctionType->getNumArgs(); 645278213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian ArgIdx != NumArgs; ++ArgIdx) { 645378213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian if (FromEPI.ConsumedArguments[ArgIdx] != 645478213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian ToEPI.ConsumedArguments[ArgIdx]) 645578213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian return false; 645678213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian } 645778213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian return true; 645878213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian} 645978213e4aec6d8d22b5828dd2687fa19116ebaa26Fariborz Jahanian 64602390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// mergeObjCGCQualifiers - This routine merges ObjC's GC attribute of 'LHS' and 64612390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// 'RHS' attributes and returns the merged version; including for function 64622390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian/// return types. 64632390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz JahanianQualType ASTContext::mergeObjCGCQualifiers(QualType LHS, QualType RHS) { 64642390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSCan = getCanonicalType(LHS), 64652390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian RHSCan = getCanonicalType(RHS); 64662390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If two types are identical, they are compatible. 64672390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan == RHSCan) 64682390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 64692390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (RHSCan->isFunctionType()) { 64702390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (!LHSCan->isFunctionType()) 64712390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 64722390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType OldReturnType = 64732390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(RHSCan.getTypePtr())->getResultType(); 64742390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType NewReturnType = 64752390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian cast<FunctionType>(LHSCan.getTypePtr())->getResultType(); 64762390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResReturnType = 64772390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian mergeObjCGCQualifiers(NewReturnType, OldReturnType); 64782390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType.isNull()) 64792390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 64802390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResReturnType == NewReturnType || ResReturnType == OldReturnType) { 64812390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // id foo(); ... __strong id foo(); or: __strong id foo(); ... id foo(); 64822390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // In either case, use OldReturnType to build the new function type. 64832390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian const FunctionType *F = LHS->getAs<FunctionType>(); 64842390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (const FunctionProtoType *FPT = cast<FunctionProtoType>(F)) { 6485e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI = FPT->getExtProtoInfo(); 6486e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall EPI.ExtInfo = getFunctionExtInfo(LHS); 64872390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResultType 64882390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian = getFunctionType(OldReturnType, FPT->arg_type_begin(), 6489e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FPT->getNumArgs(), EPI); 64902390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return ResultType; 64912390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 64922390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 64932390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 64942390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 64952390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 64962390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If the qualifiers are different, the types can still be merged. 64972390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers LQuals = LHSCan.getLocalQualifiers(); 64982390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers RQuals = RHSCan.getLocalQualifiers(); 64992390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals != RQuals) { 65002390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // If any of these qualifiers are different, we have a type mismatch. 65012390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LQuals.getCVRQualifiers() != RQuals.getCVRQualifiers() || 65022390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian LQuals.getAddressSpace() != RQuals.getAddressSpace()) 65032390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 65042390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 65052390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // Exactly one GC qualifier difference is allowed: __strong is 65062390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // okay if the other type has no GC qualifier but is an Objective 65072390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // C object pointer (i.e. implicitly strong by default). We fix 65082390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // this by pretending that the unqualified type was actually 65092390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian // qualified __strong. 65102390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_L = LQuals.getObjCGCAttr(); 65112390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian Qualifiers::GC GC_R = RQuals.getObjCGCAttr(); 65122390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian assert((GC_L != GC_R) && "unequal qualifier sets had only equal elements"); 65132390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 65142390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Weak || GC_R == Qualifiers::Weak) 65152390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 65162390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 65172390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_L == Qualifiers::Strong) 65182390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 65192390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (GC_R == Qualifiers::Strong) 65202390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 65212390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 65222390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 65232390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 65242390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (LHSCan->isObjCObjectPointerType() && RHSCan->isObjCObjectPointerType()) { 65252390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType LHSBaseQT = LHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 65262390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType RHSBaseQT = RHS->getAs<ObjCObjectPointerType>()->getPointeeType(); 65272390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian QualType ResQT = mergeObjCGCQualifiers(LHSBaseQT, RHSBaseQT); 65282390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == LHSBaseQT) 65292390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return LHS; 65302390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian if (ResQT == RHSBaseQT) 65312390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return RHS; 65322390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian } 65332390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian return QualType(); 65342390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian} 65352390a72a3ebd37737fec5ba1385db9c3bb22fc59Fariborz Jahanian 65365426bf6456a5aeac416a9150de157904d101c819Chris Lattner//===----------------------------------------------------------------------===// 6537ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman// Integer Predicates 6538ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman//===----------------------------------------------------------------------===// 653988054dee0402e4d3c1f64e6b697acc47195c0d72Chris Lattner 65404ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadunsigned ASTContext::getIntWidth(QualType T) const { 6541f4c7371fb1d3cebcfb40abad4537bb82515704eaJohn McCall if (const EnumType *ET = dyn_cast<EnumType>(T)) 654229a7f3342c3c6dd15d914c61ae22246c36d51ce7Eli Friedman T = ET->getDecl()->getIntegerType(); 65431274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor if (T->isBooleanType()) 65441274ccd90aec0b205fc838c3d504821ccfb55482Douglas Gregor return 1; 6545f98aba35e6c3da5aae61843fc01334939e4e12ecEli Friedman // For builtin types, just use the standard type sizing method 6546ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return (unsigned)getTypeSize(T); 6547ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 6548ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 6549ad74a758189180b8ab8faea648e4766c3bfd7fcbEli FriedmanQualType ASTContext::getCorrespondingUnsignedType(QualType T) { 6550f60946222721d9ba3c059563935c17b84703187aDouglas Gregor assert(T->hasSignedIntegerRepresentation() && "Unexpected type"); 65516a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 65526a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // Turn <4 x signed int> -> <4 x unsigned int> 65536a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const VectorType *VTy = T->getAs<VectorType>()) 65546a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner return getVectorType(getCorrespondingUnsignedType(VTy->getElementType()), 6555e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VTy->getNumElements(), VTy->getVectorKind()); 65566a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 65576a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner // For enums, we return the unsigned version of the base type. 65586a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner if (const EnumType *ETy = T->getAs<EnumType>()) 6559ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman T = ETy->getDecl()->getIntegerType(); 65606a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner 65616a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner const BuiltinType *BTy = T->getAs<BuiltinType>(); 65626a2b9261bf9c973c7122d9d1febce24a38fa862dChris Lattner assert(BTy && "Unexpected signed integer type"); 6563ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman switch (BTy->getKind()) { 6564ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Char_S: 6565ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::SChar: 6566ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedCharTy; 6567ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Short: 6568ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedShortTy; 6569ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Int: 6570ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedIntTy; 6571ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::Long: 6572ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongTy; 6573ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman case BuiltinType::LongLong: 6574ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman return UnsignedLongLongTy; 65752df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner case BuiltinType::Int128: 65762df9ced9fd1e8c7d7b38443db07e0e811de22571Chris Lattner return UnsignedInt128Ty; 6577ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman default: 6578b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Unexpected signed integer type"); 6579ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman } 6580ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman} 6581ad74a758189180b8ab8faea648e4766c3bfd7fcbEli Friedman 65827b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios KyrtzidisASTMutationListener::~ASTMutationListener() { } 65837b90340c9c7d07aef4e301e72b5e8a30d5f4f0c8Argyrios Kyrtzidis 658486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 658586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 658686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner// Builtin Type Computation 658786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner//===----------------------------------------------------------------------===// 658886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 658986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// DecodeTypeFromStr - This decodes one type descriptor from Str, advancing the 659033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// pointer over the consumed characters. This returns the resultant type. If 659133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// AllowTypeModifiers is false then modifier like * are not parsed, just basic 659233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// types. This allows "v2i*" to be parsed as a pointer to a v2i instead of 659333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner/// a vector of "i*". 659414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// 659514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// RequiresICE is filled in on return to indicate whether the value is required 659614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner/// to be an Integer Constant Expression. 65974ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadstatic QualType DecodeTypeFromStr(const char *&Str, const ASTContext &Context, 659886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ASTContext::GetBuiltinTypeError &Error, 659914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool &RequiresICE, 660033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner bool AllowTypeModifiers) { 660186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Modifiers. 660286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner int HowLong = 0; 660386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Signed = false, Unsigned = false; 660414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = false; 6605393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 660633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Read the prefixed modifiers first. 660786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner bool Done = false; 660886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 660986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 66101eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump default: Done = true; --Str; break; 6611393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner case 'I': 661214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE = true; 6613393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner break; 661486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'S': 661586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use both 'S' and 'U' modifiers!"); 661686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use 'S' modifier multiple times!"); 661786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Signed = true; 661886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 661986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'U': 662086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Signed && "Can't use both 'S' and 'U' modifiers!"); 662186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Unsigned && "Can't use 'S' modifier multiple times!"); 662286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Unsigned = true; 662386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 662486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'L': 662586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong <= 2 && "Can't have LLLL modifier"); 662686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ++HowLong; 662786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 662886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 662986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 663086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 663186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner QualType Type; 66321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 663386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Read the base type. 663486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner switch (*Str++) { 6635b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie default: llvm_unreachable("Unknown builtin type letter!"); 663686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'v': 663786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 663886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'v'!"); 663986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.VoidTy; 664086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 664186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'f': 664286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && 664386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'f'!"); 664486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.FloatTy; 664586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 664686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'd': 664786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong < 2 && !Signed && !Unsigned && 664886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "Bad modifiers used with 'd'!"); 664986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong) 665086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.LongDoubleTy; 665186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 665286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.DoubleTy; 665386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 665486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 's': 665586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 's'!"); 665686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Unsigned) 665786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedShortTy; 665886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 665986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.ShortTy; 666086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 666186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'i': 666286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (HowLong == 3) 666386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedInt128Ty : Context.Int128Ty; 666486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 2) 666586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongLongTy : Context.LongLongTy; 666686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (HowLong == 1) 666786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedLongTy : Context.LongTy; 666886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 666986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Unsigned ? Context.UnsignedIntTy : Context.IntTy; 667086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 667186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'c': 667286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && "Bad modifiers used with 'c'!"); 667386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Signed) 667486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.SignedCharTy; 667586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else if (Unsigned) 667686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.UnsignedCharTy; 667786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner else 667886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.CharTy; 667986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 668086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'b': // boolean 668186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'b'!"); 668286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.BoolTy; 668386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 668486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'z': // size_t. 668586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'z'!"); 668686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getSizeType(); 668786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 668886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'F': 668986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getCFConstantStringType(); 669086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 6691ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'G': 6692ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCIdType(); 6693ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 6694ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian case 'H': 6695ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian Type = Context.getObjCSelType(); 6696ba8bda05fefd3bb2f1ef201784b685f715bdde29Fariborz Jahanian break; 669786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'a': 669886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 669986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 670086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 670186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'A': 670286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // This is a "reference" to a va_list; however, what exactly 670386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // this means depends on how va_list is defined. There are two 670486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // different kinds of va_list: ones passed by value, and ones 670586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // passed by reference. An example of a by-value va_list is 670686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // x86, where va_list is a char*. An example of by-ref va_list 670786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // is x86-64, where va_list is a __va_list_tag[1]. For x86, 670886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // we want this argument to be a char*&; for x86-64, we want 670986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // it to be a __va_list_tag*. 671086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getBuiltinVaListType(); 671186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(!Type.isNull() && "builtin va list type not initialized!"); 671214e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (Type->isArrayType()) 671386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getArrayDecayedType(Type); 671414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner else 671586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Type = Context.getLValueReferenceType(Type); 671686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 671786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner case 'V': { 671886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner char *End; 671986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner unsigned NumElements = strtoul(Str, &End, 10); 672086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert(End != Str && "Missing vector size"); 672186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Str = End; 67221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 672314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, 672414e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, false); 672514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require vector ICE"); 672633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner 672733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // TODO: No way to make AltiVec vectors in builtins yet. 6728788b0fd67e1992f23555454efcdb16a19dfefac3Chris Lattner Type = Context.getVectorType(ElementType, NumElements, 6729e86d78cf4754a6aef2cf9a33d847aa15338e276fBob Wilson VectorType::GenericVector); 673086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner break; 673186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6732b4bc99ba5540a618c86c136c9112ead8fb1d9866Douglas Gregor case 'E': { 6733b4bc99ba5540a618c86c136c9112ead8fb1d9866Douglas Gregor char *End; 6734b4bc99ba5540a618c86c136c9112ead8fb1d9866Douglas Gregor 6735b4bc99ba5540a618c86c136c9112ead8fb1d9866Douglas Gregor unsigned NumElements = strtoul(Str, &End, 10); 6736b4bc99ba5540a618c86c136c9112ead8fb1d9866Douglas Gregor assert(End != Str && "Missing vector size"); 6737b4bc99ba5540a618c86c136c9112ead8fb1d9866Douglas Gregor 6738b4bc99ba5540a618c86c136c9112ead8fb1d9866Douglas Gregor Str = End; 6739b4bc99ba5540a618c86c136c9112ead8fb1d9866Douglas Gregor 6740b4bc99ba5540a618c86c136c9112ead8fb1d9866Douglas Gregor QualType ElementType = DecodeTypeFromStr(Str, Context, Error, RequiresICE, 6741b4bc99ba5540a618c86c136c9112ead8fb1d9866Douglas Gregor false); 6742b4bc99ba5540a618c86c136c9112ead8fb1d9866Douglas Gregor Type = Context.getExtVectorType(ElementType, NumElements); 6743b4bc99ba5540a618c86c136c9112ead8fb1d9866Douglas Gregor break; 6744b4bc99ba5540a618c86c136c9112ead8fb1d9866Douglas Gregor } 6745d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor case 'X': { 674614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ElementType = DecodeTypeFromStr(Str, Context, Error, RequiresICE, 674714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner false); 674814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Can't require complex ICE"); 6749d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor Type = Context.getComplexType(ElementType); 6750d3a23b238a2b2c0f11e6ac4951c7410a8c5717bfDouglas Gregor break; 6751cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian } 6752cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian case 'Y' : { 6753cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian Type = Context.getPointerDiffType(); 6754cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian break; 6755cc075e4092900ac9eec9dc92e35096eae1ee29c7Fariborz Jahanian } 67569a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'P': 6757c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor Type = Context.getFILEType(); 6758c29f77b769bcc5b6dc85e72c8e3cc2e348e5cf25Douglas Gregor if (Type.isNull()) { 6759f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_stdio; 676086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 676186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6762fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 67639a5a7e7351f78345a72c4956af25590f6d40ebcdChris Lattner case 'J': 6764f711c41dd9412a8182793259d355c4f6979ed5edMike Stump if (Signed) 6765782fa308a765aeac2acb39c4e697c937ec21185bMike Stump Type = Context.getsigjmp_bufType(); 6766f711c41dd9412a8182793259d355c4f6979ed5edMike Stump else 6767f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Type = Context.getjmp_bufType(); 6768f711c41dd9412a8182793259d355c4f6979ed5edMike Stump 6769fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump if (Type.isNull()) { 6770f711c41dd9412a8182793259d355c4f6979ed5edMike Stump Error = ASTContext::GE_Missing_setjmp; 6771fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump return QualType(); 6772fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump } 6773fd612dbb23cd31c03c898ae53ff18d0dfd8488f9Mike Stump break; 6774e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola case 'K': 6775e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola assert(HowLong == 0 && !Signed && !Unsigned && "Bad modifiers for 'K'!"); 6776e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola Type = Context.getucontext_tType(); 6777e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola 6778e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola if (Type.isNull()) { 6779e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola Error = ASTContext::GE_Missing_ucontext; 6780e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola return QualType(); 6781e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola } 6782e2d4f4ed44a32f179c6d48cd1dba8346ab2129d9Rafael Espindola break; 6783782fa308a765aeac2acb39c4e697c937ec21185bMike Stump } 67841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 678533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // If there are modifiers and if we're allowed to parse them, go for it. 678633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Done = !AllowTypeModifiers; 678786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (!Done) { 6788187ab37a05b8f7015b9f39cc8cd9129a0c6d0b48John McCall switch (char c = *Str++) { 678933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner default: Done = true; --Str; break; 679033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '*': 679133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case '&': { 679233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // Both pointers and references can have their pointee types 679333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // qualified with an address space. 679433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner char *End; 679533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner unsigned AddrSpace = strtoul(Str, &End, 10); 679633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (End != Str && AddrSpace != 0) { 679733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getAddrSpaceQualType(Type, AddrSpace); 679833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Str = End; 679933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 680033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner if (c == '*') 680133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getPointerType(Type); 680233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner else 680333daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getLValueReferenceType(Type); 680433daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 680533daae66462e8f51ee153463b32bdefd60c801aaChris Lattner } 680633daae66462e8f51ee153463b32bdefd60c801aaChris Lattner // FIXME: There's no way to have a built-in with an rvalue ref arg. 680733daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'C': 680833daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Type.withConst(); 680933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 681033daae66462e8f51ee153463b32bdefd60c801aaChris Lattner case 'D': 681133daae66462e8f51ee153463b32bdefd60c801aaChris Lattner Type = Context.getVolatileType(Type); 681233daae66462e8f51ee153463b32bdefd60c801aaChris Lattner break; 681318932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek case 'R': 681418932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek Type = Type.withRestrict(); 681518932a0f2a94a7813ec461d1118c39ecf8aa936fTed Kremenek break; 681686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 681786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 6818393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner 681914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert((!RequiresICE || Type->isIntegralOrEnumerationType()) && 6820393bd8e185692a451b2ba16bdfc9e7d3543b4217Chris Lattner "Integer constant 'I' type must be an integer"); 68211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 682286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return Type; 682386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 682486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 682586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner/// GetBuiltinType - Return the type for the specified builtin. 682633daae66462e8f51ee153463b32bdefd60c801aaChris LattnerQualType ASTContext::GetBuiltinType(unsigned Id, 682714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner GetBuiltinTypeError &Error, 68284ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foad unsigned *IntegerConstantArgs) const { 682933daae66462e8f51ee153463b32bdefd60c801aaChris Lattner const char *TypeStr = BuiltinInfo.GetTypeString(Id); 68301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 68315f9e272e632e951b1efe824cd16acb4d96077930Chris Lattner SmallVector<QualType, 8> ArgTypes; 68321eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 683314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner bool RequiresICE = false; 683486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Error = GE_None; 683514e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType ResType = DecodeTypeFromStr(TypeStr, *this, Error, 683614e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner RequiresICE, true); 683786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 683886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 683914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 684014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner assert(!RequiresICE && "Result of intrinsic cannot be required to be an ICE"); 684114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 684286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner while (TypeStr[0] && TypeStr[0] != '.') { 684314e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner QualType Ty = DecodeTypeFromStr(TypeStr, *this, Error, RequiresICE, true); 684486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Error != GE_None) 684586df27bbdbb98c39ec2184695c0561209f91beddChris Lattner return QualType(); 684686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 684714e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // If this argument is required to be an IntegerConstantExpression and the 684814e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner // caller cares, fill in the bitmask we return. 684914e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner if (RequiresICE && IntegerConstantArgs) 685014e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner *IntegerConstantArgs |= 1 << ArgTypes.size(); 685114e0e7436cf6650a72052baea1f8ebe644cef489Chris Lattner 685286df27bbdbb98c39ec2184695c0561209f91beddChris Lattner // Do array -> pointer decay. The builtin should use the decayed type. 685386df27bbdbb98c39ec2184695c0561209f91beddChris Lattner if (Ty->isArrayType()) 685486df27bbdbb98c39ec2184695c0561209f91beddChris Lattner Ty = getArrayDecayedType(Ty); 68551eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 685686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner ArgTypes.push_back(Ty); 685786df27bbdbb98c39ec2184695c0561209f91beddChris Lattner } 685886df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 685986df27bbdbb98c39ec2184695c0561209f91beddChris Lattner assert((TypeStr[0] != '.' || TypeStr[1] == 0) && 686086df27bbdbb98c39ec2184695c0561209f91beddChris Lattner "'.' should only occur at end of builtin type list!"); 686186df27bbdbb98c39ec2184695c0561209f91beddChris Lattner 686200ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall FunctionType::ExtInfo EI; 686300ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (BuiltinInfo.isNoReturn(Id)) EI = EI.withNoReturn(true); 686400ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 686500ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall bool Variadic = (TypeStr[0] == '.'); 686600ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall 686700ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall // We really shouldn't be making a no-proto type here, especially in C++. 686800ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall if (ArgTypes.empty() && Variadic) 686900ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall return getFunctionNoProtoType(ResType, EI); 6870ce056bcaa1c97b89a4b2de2112c62d060863be2bDouglas Gregor 6871e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall FunctionProtoType::ExtProtoInfo EPI; 687200ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.ExtInfo = EI; 687300ccbefcffeb88ea3e2e6323e594fa968753ad14John McCall EPI.Variadic = Variadic; 6874e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall 6875e23cf437fe76b1ed02d63c3f61b456fd48a915f5John McCall return getFunctionType(ResType, ArgTypes.data(), ArgTypes.size(), EPI); 687686df27bbdbb98c39ec2184695c0561209f91beddChris Lattner} 6877a95d75769edae299816ec7fd9bbcdf1ef617c5c9Eli Friedman 687890e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForFunction(const FunctionDecl *FD) { 687990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage External = GVA_StrongExternal; 688090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 688190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = FD->getLinkage(); 688290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 688390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 688490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 688590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 688690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 688790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 688890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 688990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (FD->getTemplateSpecializationKind()) { 689090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 689190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 689290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_StrongExternal; 689390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 689490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 689590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 689690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 689790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 689890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 689990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 690090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis External = GVA_TemplateInstantiation; 690190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis break; 690290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 690390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 690490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 690590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!FD->isInlined()) 690690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 690790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 69084e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (!getLangOpts().CPlusPlus || FD->hasAttr<GNUInlineAttr>()) { 690990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // GNU or C99 inline semantics. Determine whether this symbol should be 691090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // externally visible. 691190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->isInlineDefinitionExternallyVisible()) 691290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return External; 691390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 691490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C99 inline semantics, where the symbol is not externally visible. 691590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 691690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 691790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 691890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // C++0x [temp.explicit]p9: 691990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // [ Note: The intent is that an inline function that is the subject of 692090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // an explicit instantiation declaration will still be implicitly 692190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // instantiated when used so that the body can be considered for 692290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // inlining, but that no out-of-line copy of the inline function would be 692390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // generated in the translation unit. -- end note ] 692490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->getTemplateSpecializationKind() 692590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis == TSK_ExplicitInstantiationDeclaration) 692690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_C99Inline; 692790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 692890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_CXXInline; 692990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 693090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 693190e99a84ddd020e8fda79643748243725a2ed071Argyrios KyrtzidisGVALinkage ASTContext::GetGVALinkageForVariable(const VarDecl *VD) { 693290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // If this is a static data member, compute the kind of template 693390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // specialization. Otherwise, this variable is not part of a 693490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // template. 693590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TemplateSpecializationKind TSK = TSK_Undeclared; 693690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (VD->isStaticDataMember()) 693790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis TSK = VD->getTemplateSpecializationKind(); 693890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 693990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis Linkage L = VD->getLinkage(); 69404e4d08403ca5cfd4d558fa2936215d3a4e5a528dDavid Blaikie if (L == ExternalLinkage && getLangOpts().CPlusPlus && 694190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis VD->getType()->getLinkage() == UniqueExternalLinkage) 694290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis L = UniqueExternalLinkage; 694390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 694490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (L) { 694590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case NoLinkage: 694690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case InternalLinkage: 694790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case UniqueExternalLinkage: 694890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_Internal; 694990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 695090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case ExternalLinkage: 695190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis switch (TSK) { 695290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_Undeclared: 695390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitSpecialization: 695490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_StrongExternal; 695590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 695690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDeclaration: 695790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis llvm_unreachable("Variable should not be instantiated"); 695890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Fall through to treat this like any other instantiation. 695990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 696090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ExplicitInstantiationDefinition: 696190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_ExplicitTemplateInstantiation; 696290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 696390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis case TSK_ImplicitInstantiation: 696490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return GVA_TemplateInstantiation; 696590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 696690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 696790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 69687530c034c0c71a64c5a9173206d9742ae847af8bDavid Blaikie llvm_unreachable("Invalid Linkage!"); 696990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 697090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 69714ac7c0bb39696e92fd220118fedc484c09a69870Argyrios Kyrtzidisbool ASTContext::DeclMustBeEmitted(const Decl *D) { 697290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const VarDecl *VD = dyn_cast<VarDecl>(D)) { 697390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!VD->isFileVarDecl()) 697490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 6975144b38a7995cbe0928e34fbcc865bb2d2be4f7a3Argyrios Kyrtzidis } else if (!isa<FunctionDecl>(D)) 697690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 697790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 6978ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis // Weak references don't produce any output by themselves. 6979ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (D->hasAttr<WeakRefAttr>()) 6980ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 6981ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 698290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Aliases and used decls are required. 698390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (D->hasAttr<AliasAttr>() || D->hasAttr<UsedAttr>()) 698490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 698590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 698690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) { 698790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Forward declarations aren't required. 698810620eb5164e31208fcbf0437cd79ae535ed0559Sean Hunt if (!FD->doesThisDeclarationHaveABody()) 6989dce67a70a86db8758c926a76fdd980f5369d5746Nick Lewycky return FD->doesDeclarationForceExternallyVisibleDefinition(); 699090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 699190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Constructors and destructors are required. 699290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (FD->hasAttr<ConstructorAttr>() || FD->hasAttr<DestructorAttr>()) 699390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 699490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 699590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // The key function for a class is required. 699690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(FD)) { 699790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXRecordDecl *RD = MD->getParent(); 699890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (MD->isOutOfLine() && RD->isDynamicClass()) { 699990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const CXXMethodDecl *KeyFunc = getKeyFunction(RD); 700090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (KeyFunc && KeyFunc->getCanonicalDecl() == MD->getCanonicalDecl()) 700190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 700290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 700390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 700490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 700590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage Linkage = GetGVALinkageForFunction(FD); 700690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 700790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // static, static inline, always_inline, and extern inline functions can 700890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // always be deferred. Normal inline functions can be deferred in C99/C++. 700990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Implicit template instantiations can also be deferred in C++. 701090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (Linkage == GVA_Internal || Linkage == GVA_C99Inline || 70113a5aca8112e03814f78906dc5d032287adb272b5Anton Yartsev Linkage == GVA_CXXInline || Linkage == GVA_TemplateInstantiation) 701290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 701390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 701490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 701594da1587f7d584fc61df793229d197969f204cd9Douglas Gregor 701690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis const VarDecl *VD = cast<VarDecl>(D); 701790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis assert(VD->isFileVarDecl() && "Expected file scoped var"); 701890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 7019ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis if (VD->isThisDeclarationADefinition() == VarDecl::DeclarationOnly) 7020ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis return false; 7021ab411c8c2efed8f2403bf8596e780c0f2f905a19Argyrios Kyrtzidis 702290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // Structs that have non-trivial constructors or destructors are required. 702390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 702490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis // FIXME: Handle references. 7025023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt // FIXME: Be more selective about which constructors we care about. 702690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const RecordType *RT = VD->getType()->getAs<RecordType>()) { 702790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(RT->getDecl())) { 7028023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt if (RD->hasDefinition() && !(RD->hasTrivialDefaultConstructor() && 7029023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialCopyConstructor() && 7030023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialMoveConstructor() && 7031023df37c27ee8035664fb62f206ca58f4e2a169dSean Hunt RD->hasTrivialDestructor())) 703290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 703390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 703490e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 703590e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 703690e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis GVALinkage L = GetGVALinkageForVariable(VD); 703790e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (L == GVA_Internal || L == GVA_TemplateInstantiation) { 703890e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis if (!(VD->getInit() && VD->getInit()->HasSideEffects(*this))) 703990e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return false; 704090e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis } 704190e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis 704290e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis return true; 704390e99a84ddd020e8fda79643748243725a2ed071Argyrios Kyrtzidis} 7044071cc7deffad608165b1ddd5263e8bf181861520Charles Davis 7045ee743f903858e337434ac0335f147f4de4ecae05Charles DavisCallingConv ASTContext::getDefaultMethodCallConv() { 7046ee743f903858e337434ac0335f147f4de4ecae05Charles Davis // Pass through to the C++ ABI object 7047ee743f903858e337434ac0335f147f4de4ecae05Charles Davis return ABI->getDefaultMethodCallConv(); 7048ee743f903858e337434ac0335f147f4de4ecae05Charles Davis} 7049ee743f903858e337434ac0335f147f4de4ecae05Charles Davis 70504ba2a17694148e16eaa8d3917f657ffcd3667be4Jay Foadbool ASTContext::isNearlyEmpty(const CXXRecordDecl *RD) const { 7051dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson // Pass through to the C++ ABI object 7052dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson return ABI->isNearlyEmpty(RD); 7053dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson} 7054dae0cb52e4e3d46bbfc9a4510909522197a92e54Anders Carlsson 705514110477887e3dc168ffc6c191e72d705051f99ePeter CollingbourneMangleContext *ASTContext::createMangleContext() { 7056bcfd1f55bfbb3e5944cd5e03d07b343e280838c4Douglas Gregor switch (Target->getCXXABI()) { 705714110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_ARM: 705814110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Itanium: 705914110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createItaniumMangleContext(*this, getDiagnostics()); 706014110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne case CXXABI_Microsoft: 706114110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne return createMicrosoftMangleContext(*this, getDiagnostics()); 706214110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne } 7063b219cfc4d75f0a03630b7c4509ef791b7e97b2c8David Blaikie llvm_unreachable("Unsupported ABI"); 706414110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne} 706514110477887e3dc168ffc6c191e72d705051f99ePeter Collingbourne 7066071cc7deffad608165b1ddd5263e8bf181861520Charles DavisCXXABI::~CXXABI() {} 7067ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek 7068ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremeneksize_t ASTContext::getSideTableAllocatedMemory() const { 70690c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek return ASTRecordLayouts.getMemorySize() 70700c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(ObjCLayouts) 70710c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(KeyFunctions) 70720c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(ObjCImpls) 70730c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(BlockVarCopyInits) 70740c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(DeclAttrs) 70750c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromStaticDataMember) 70760c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUsingDecl) 70770c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUsingShadowDecl) 70780c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(InstantiatedFromUnnamedFieldDecl) 70790c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(OverriddenMethods) 70800c8cd1ac55720276ad41fa7b4f8785bead5afd32Ted Kremenek + llvm::capacity_in_bytes(Types) 7081af0f4d0b2e38c810effc8b024ad2fb6604eec5d3Francois Pichet + llvm::capacity_in_bytes(VariableArrayTypes) 70820d95f0d7b81110f77e99e833f766d19be7b7e072Francois Pichet + llvm::capacity_in_bytes(ClassScopeSpecializationPattern); 7083ba29bd25515fbd99e98ba0fedb9d93617b27609eTed Kremenek} 7084d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek 70859e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregorunsigned ASTContext::getLambdaManglingNumber(CXXMethodDecl *CallOperator) { 70869e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor CXXRecordDecl *Lambda = CallOperator->getParent(); 70879e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor return LambdaMangleContexts[Lambda->getDeclContext()] 70889e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor .getManglingNumber(CallOperator); 70899e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor} 70909e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor 70919e8c92a9c9b949bbb0408fbbd9a58e34894b6efcDouglas Gregor 7092d211cb709510fbe7e75167b9feee0050851d001aTed Kremenekvoid ASTContext::setParameterIndex(const ParmVarDecl *D, unsigned int index) { 7093d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek ParamIndices[D] = index; 7094d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek} 7095d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek 7096d211cb709510fbe7e75167b9feee0050851d001aTed Kremenekunsigned ASTContext::getParameterIndex(const ParmVarDecl *D) const { 7097d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek ParameterIndexTable::const_iterator I = ParamIndices.find(D); 7098d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek assert(I != ParamIndices.end() && 7099d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek "ParmIndices lacks entry set by ParmVarDecl"); 7100d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek return I->second; 7101d211cb709510fbe7e75167b9feee0050851d001aTed Kremenek} 7102