Decl.cpp revision f0ed9ef428a051bafc914b9935dcd1d1aa30cf3f
15f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===--- Decl.cpp - Declaration AST Node Implementation -------------------===// 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// 10e184baeaa112ceac32420f8ca127b8d4d152d109Argyrios Kyrtzidis// This file implements the Decl subclasses. 115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer// 125f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer//===----------------------------------------------------------------------===// 135f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer#include "clang/AST/Decl.h" 152a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor#include "clang/AST/DeclCXX.h" 160de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff#include "clang/AST/DeclObjC.h" 177da97d0f31e1ec16998d3de2cfd2e88fe3736673Douglas Gregor#include "clang/AST/DeclTemplate.h" 186c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner#include "clang/AST/ASTContext.h" 19b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis#include "clang/AST/TypeLoc.h" 20e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/Stmt.h" 2199f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes#include "clang/AST/Expr.h" 22337cba4b3e17b98cfa512dfd12e57f4ccb0859beAnders Carlsson#include "clang/AST/ExprCXX.h" 23d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor#include "clang/AST/PrettyPrinter.h" 241b63e4f732dbc73d90abf886b4d21f8e3a165f6dChris Lattner#include "clang/Basic/Builtins.h" 25e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/Basic/IdentifierTable.h" 26465d41b92b2c862f3062c412a0538db65c6a2661Abramo Bagnara#include "clang/Basic/Specifiers.h" 27f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall#include "llvm/Support/ErrorHandling.h" 2827f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 295f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 31d3b9065ec7052ec4741783d2fb4130d13c766933Chris Lattner//===----------------------------------------------------------------------===// 324afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor// NamedDecl Implementation 335239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis//===----------------------------------------------------------------------===// 345239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis 350b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// \brief Get the most restrictive linkage for the types in the given 360b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// template parameter list. 370b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregorstatic Linkage 380b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas GregorgetLinkageForTemplateParameterList(const TemplateParameterList *Params) { 390b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor Linkage L = ExternalLinkage; 400b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 410b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor PEnd = Params->end(); 420b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor P != PEnd; ++P) { 430b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(*P)) 440b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (!NTTP->getType()->isDependentType()) { 450b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor L = minLinkage(L, NTTP->getType()->getLinkage()); 460b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor continue; 470b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 480b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 490b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (TemplateTemplateParmDecl *TTP 500b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor = dyn_cast<TemplateTemplateParmDecl>(*P)) { 510b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor L = minLinkage(L, 520b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor getLinkageForTemplateParameterList(TTP->getTemplateParameters())); 530b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 540b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 550b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 560b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return L; 570b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor} 580b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 590b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// \brief Get the most restrictive linkage for the types and 600b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// declarations in the given template argument list. 610b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregorstatic Linkage getLinkageForTemplateArgumentList(const TemplateArgument *Args, 620b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor unsigned NumArgs) { 630b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor Linkage L = ExternalLinkage; 640b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 650b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor for (unsigned I = 0; I != NumArgs; ++I) { 660b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor switch (Args[I].getKind()) { 670b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Null: 680b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Integral: 690b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Expression: 700b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 710b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 720b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Type: 730b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor L = minLinkage(L, Args[I].getAsType()->getLinkage()); 740b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 750b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 760b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Declaration: 770b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (NamedDecl *ND = dyn_cast<NamedDecl>(Args[I].getAsDecl())) 780b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor L = minLinkage(L, ND->getLinkage()); 790b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (ValueDecl *VD = dyn_cast<ValueDecl>(Args[I].getAsDecl())) 800b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor L = minLinkage(L, VD->getType()->getLinkage()); 810b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 820b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 830b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Template: 840b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (TemplateDecl *Template 850b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor = Args[I].getAsTemplate().getAsTemplateDecl()) 860b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor L = minLinkage(L, Template->getLinkage()); 870b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 880b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 890b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Pack: 900b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor L = minLinkage(L, 910b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor getLinkageForTemplateArgumentList(Args[I].pack_begin(), 920b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor Args[I].pack_size())); 930b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 940b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 950b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 960b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 970b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return L; 980b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor} 990b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1000b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregorstatic Linkage getLinkageForNamespaceScopeDecl(const NamedDecl *D) { 101d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor assert(D->getDeclContext()->getLookupContext()->isFileContext() && 102d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor "Not a name having namespace scope"); 103d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor ASTContext &Context = D->getASTContext(); 104d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 105d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p3: 106d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // A name having namespace scope (3.3.6) has internal linkage if it 107d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is the name of 108d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object, reference, function or function template that is 109d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // explicitly declared static; or, 110d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // (This bullet corresponds to C99 6.2.2p3.) 111d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *Var = dyn_cast<VarDecl>(D)) { 112d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Explicitly declared static. 113d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Var->getStorageClass() == VarDecl::Static) 1140b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return InternalLinkage; 115d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 116d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object or reference that is explicitly declared const 117d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // and neither explicitly declared extern nor previously 118d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // declared to have external linkage; or 119d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // (there is no equivalent in C99) 120d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Context.getLangOptions().CPlusPlus && 121e9d6554ba78fb81e810fdaec9b2c98ab96526e83Eli Friedman Var->getType().isConstant(Context) && 122d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Var->getStorageClass() != VarDecl::Extern && 123d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Var->getStorageClass() != VarDecl::PrivateExtern) { 124d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor bool FoundExtern = false; 125d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor for (const VarDecl *PrevVar = Var->getPreviousDeclaration(); 126d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor PrevVar && !FoundExtern; 127d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor PrevVar = PrevVar->getPreviousDeclaration()) 1280b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (isExternalLinkage(PrevVar->getLinkage())) 129d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor FoundExtern = true; 130d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 131d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!FoundExtern) 1320b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return InternalLinkage; 133d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 134d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } else if (isa<FunctionDecl>(D) || isa<FunctionTemplateDecl>(D)) { 1350b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // C++ [temp]p4: 1360b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // A non-member function template can have internal linkage; any 1370b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // other template name shall have external linkage. 138d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor const FunctionDecl *Function = 0; 139d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const FunctionTemplateDecl *FunTmpl 140d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor = dyn_cast<FunctionTemplateDecl>(D)) 141d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Function = FunTmpl->getTemplatedDecl(); 142d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor else 143d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Function = cast<FunctionDecl>(D); 144d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 145d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Explicitly declared static. 146d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Function->getStorageClass() == FunctionDecl::Static) 1470b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return InternalLinkage; 148d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } else if (const FieldDecl *Field = dyn_cast<FieldDecl>(D)) { 149d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a data member of an anonymous union. 150d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (cast<RecordDecl>(Field->getDeclContext())->isAnonymousStructOrUnion()) 1510b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return InternalLinkage; 152d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 153d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 154d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p4: 155d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 156d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // A name having namespace scope has external linkage if it is the 157d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // name of 158d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // 159d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object or reference, unless it has internal linkage; or 160d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *Var = dyn_cast<VarDecl>(D)) { 161d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 162d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor (Var->getStorageClass() == VarDecl::Extern || 163d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Var->getStorageClass() == VarDecl::PrivateExtern)) { 164d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p4: 165d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // For an identifier declared with the storage-class specifier 166d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern in a scope in which a prior declaration of that 167d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // identifier is visible, if the prior declaration specifies 168d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal or external linkage, the linkage of the identifier 169d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // at the later declaration is the same as the linkage 170d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // specified at the prior declaration. If no prior declaration 171d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is visible, or if the prior declaration specifies no 172d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage, then the identifier has external linkage. 173d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *PrevVar = Var->getPreviousDeclaration()) { 1740b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Linkage L = PrevVar->getLinkage()) 175d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return L; 176d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 177d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 178d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 179d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p5: 180d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // If the declaration of an identifier for an object has file 181d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // scope and no storage-class specifier, its linkage is 182d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // external. 1830b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Var->isInAnonymousNamespace()) 1840b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return UniqueExternalLinkage; 1850b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1860b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return ExternalLinkage; 187d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 188d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 189d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a function, unless it has internal linkage; or 190d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) { 191d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p5: 192d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // If the declaration of an identifier for a function has no 193d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // storage-class specifier, its linkage is determined exactly 194d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // as if it were declared with the storage-class specifier 195d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern. 196d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 197d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor (Function->getStorageClass() == FunctionDecl::Extern || 198d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Function->getStorageClass() == FunctionDecl::PrivateExtern || 199d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Function->getStorageClass() == FunctionDecl::None)) { 200d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p4: 201d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // For an identifier declared with the storage-class specifier 202d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern in a scope in which a prior declaration of that 203d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // identifier is visible, if the prior declaration specifies 204d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal or external linkage, the linkage of the identifier 205d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // at the later declaration is the same as the linkage 206d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // specified at the prior declaration. If no prior declaration 207d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is visible, or if the prior declaration specifies no 208d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage, then the identifier has external linkage. 209d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const FunctionDecl *PrevFunc = Function->getPreviousDeclaration()) { 2100b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Linkage L = PrevFunc->getLinkage()) 211d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return L; 212d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 213d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 214d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 2150b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Function->isInAnonymousNamespace()) 2160b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return UniqueExternalLinkage; 2170b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 2180b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (FunctionTemplateSpecializationInfo *SpecInfo 2190b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor = Function->getTemplateSpecializationInfo()) { 2200b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor Linkage L = SpecInfo->getTemplate()->getLinkage(); 2210b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor const TemplateArgumentList &TemplateArgs = *SpecInfo->TemplateArguments; 2220b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor L = minLinkage(L, 2230b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor getLinkageForTemplateArgumentList( 2240b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor TemplateArgs.getFlatArgumentList(), 2250b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor TemplateArgs.flat_size())); 2260b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return L; 2270b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 2280b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 2290b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return ExternalLinkage; 230d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 231d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 232d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a named class (Clause 9), or an unnamed class defined in a 233d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // typedef declaration in which the class has the typedef name 234d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // for linkage purposes (7.1.3); or 235d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a named enumeration (7.2), or an unnamed enumeration 236d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // defined in a typedef declaration in which the enumeration 237d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // has the typedef name for linkage purposes (7.1.3); or 238d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const TagDecl *Tag = dyn_cast<TagDecl>(D)) 2390b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Tag->getDeclName() || Tag->getTypedefForAnonDecl()) { 2400b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Tag->isInAnonymousNamespace()) 2410b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return UniqueExternalLinkage; 2420b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 2430b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // If this is a class template specialization, consider the 2440b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // linkage of the template and template arguments. 2450b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (const ClassTemplateSpecializationDecl *Spec 2460b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor = dyn_cast<ClassTemplateSpecializationDecl>(Tag)) { 2470b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 2480b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor Linkage L = getLinkageForTemplateArgumentList( 2490b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor TemplateArgs.getFlatArgumentList(), 2500b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor TemplateArgs.flat_size()); 2510b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return minLinkage(L, Spec->getSpecializedTemplate()->getLinkage()); 2520b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 2530b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 2540b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return ExternalLinkage; 2550b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 256d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 257d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an enumerator belonging to an enumeration with external linkage; 2580b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (isa<EnumConstantDecl>(D)) { 2590b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor Linkage L = cast<NamedDecl>(D->getDeclContext())->getLinkage(); 2600b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (isExternalLinkage(L)) 2610b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return L; 2620b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 263d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 264d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a template, unless it is a function template that has 265d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal linkage (Clause 14); 2660b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (const TemplateDecl *Template = dyn_cast<TemplateDecl>(D)) { 2670b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (D->isInAnonymousNamespace()) 2680b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return UniqueExternalLinkage; 2690b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 2700b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return getLinkageForTemplateParameterList( 2710b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor Template->getTemplateParameters()); 2720b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 273d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 274d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a namespace (7.3), unless it is declared within an unnamed 275d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // namespace. 276d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (isa<NamespaceDecl>(D) && !D->isInAnonymousNamespace()) 2770b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return ExternalLinkage; 278d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 2790b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return NoLinkage; 280d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor} 281d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 2820b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas GregorLinkage NamedDecl::getLinkage() const { 283becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek 284becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek // Objective-C: treat all Objective-C declarations as having external 285becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek // linkage. 286becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek switch (getKind()) { 287becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek default: 288becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek break; 289becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCAtDefsField: 290becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCCategory: 291becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCCategoryImpl: 292becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCClass: 293becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCCompatibleAlias: 294becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCForwardProtocol: 295becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCImplementation: 296becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCInterface: 297becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCIvar: 298becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCMethod: 299becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCProperty: 300becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCPropertyImpl: 301becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek case Decl::ObjCProtocol: 302becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek return ExternalLinkage; 303becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek } 304becc308ff32df8c5738ffb958f8033189d62d6f2Ted Kremenek 305d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Handle linkage for namespace-scope names. 306d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (getDeclContext()->getLookupContext()->isFileContext()) 307d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Linkage L = getLinkageForNamespaceScopeDecl(this)) 308d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return L; 309d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 310d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p5: 311d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // In addition, a member function, static data member, a named 312d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // class or enumeration of class scope, or an unnamed class or 313d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // enumeration defined in a class-scope typedef declaration such 314d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // that the class or enumeration has the typedef name for linkage 315d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // purposes (7.1.3), has external linkage if the name of the class 316d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // has external linkage. 317d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (getDeclContext()->isRecord() && 318d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor (isa<CXXMethodDecl>(this) || isa<VarDecl>(this) || 319d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor (isa<TagDecl>(this) && 3200b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor (getDeclName() || cast<TagDecl>(this)->getTypedefForAnonDecl())))) { 3210b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor Linkage L = cast<RecordDecl>(getDeclContext())->getLinkage(); 3220b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (isExternalLinkage(L)) 3230b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return L; 3240b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 325d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 326d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p6: 327d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // The name of a function declared in block scope and the name of 328d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // an object declared by a block scope extern declaration have 329d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage. If there is a visible declaration of an entity with 330d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage having the same name and type, ignoring entities 331d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // declared outside the innermost enclosing namespace scope, the 332d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // block scope declaration declares that same entity and receives 333d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // the linkage of the previous declaration. If there is more than 334d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // one such matching entity, the program is ill-formed. Otherwise, 335d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // if no matching entity is found, the block scope entity receives 336d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // external linkage. 337d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (getLexicalDeclContext()->isFunctionOrMethod()) { 338d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(this)) { 339d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Function->getPreviousDeclaration()) 340d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Linkage L = Function->getPreviousDeclaration()->getLinkage()) 341d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return L; 342d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 3430b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Function->isInAnonymousNamespace()) 3440b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return UniqueExternalLinkage; 3450b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 346d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return ExternalLinkage; 347d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 348d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 349d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *Var = dyn_cast<VarDecl>(this)) 350d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Var->getStorageClass() == VarDecl::Extern || 351d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Var->getStorageClass() == VarDecl::PrivateExtern) { 352d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Var->getPreviousDeclaration()) 353d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Linkage L = Var->getPreviousDeclaration()->getLinkage()) 354d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return L; 355d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 3560b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Var->isInAnonymousNamespace()) 3570b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return UniqueExternalLinkage; 3580b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 359d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return ExternalLinkage; 360d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 361d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 362d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 363d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p6: 364d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Names not covered by these rules have no linkage. 365d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return NoLinkage; 3660b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 367d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 36847b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregorstd::string NamedDecl::getQualifiedNameAsString() const { 3693a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson return getQualifiedNameAsString(getASTContext().getLangOptions()); 3703a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson} 3713a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 3723a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlssonstd::string NamedDecl::getQualifiedNameAsString(const PrintingPolicy &P) const { 37347b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor const DeclContext *Ctx = getDeclContext(); 37447b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 37547b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor if (Ctx->isFunctionOrMethod()) 37647b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor return getNameAsString(); 37747b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 37868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer typedef llvm::SmallVector<const DeclContext *, 8> ContextsTy; 37968eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer ContextsTy Contexts; 38068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer 38168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer // Collect contexts. 38268eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer while (Ctx && isa<NamedDecl>(Ctx)) { 38368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer Contexts.push_back(Ctx); 38468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer Ctx = Ctx->getParent(); 38568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer }; 38668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer 38768eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer std::string QualName; 38868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer llvm::raw_string_ostream OS(QualName); 38968eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer 39068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer for (ContextsTy::reverse_iterator I = Contexts.rbegin(), E = Contexts.rend(); 39168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer I != E; ++I) { 3921eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ClassTemplateSpecializationDecl *Spec 39368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer = dyn_cast<ClassTemplateSpecializationDecl>(*I)) { 394f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 395f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor std::string TemplateArgsStr 396f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor = TemplateSpecializationType::PrintTemplateArgumentList( 397f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor TemplateArgs.getFlatArgumentList(), 398d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor TemplateArgs.flat_size(), 3993a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson P); 40068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << Spec->getName() << TemplateArgsStr; 40168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else if (const NamespaceDecl *ND = dyn_cast<NamespaceDecl>(*I)) { 4026be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig if (ND->isAnonymousNamespace()) 40368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "<anonymous namespace>"; 4046be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig else 40568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ND; 40668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else if (const RecordDecl *RD = dyn_cast<RecordDecl>(*I)) { 40768eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer if (!RD->getIdentifier()) 40868eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "<anonymous " << RD->getKindName() << '>'; 40968eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer else 41068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << RD; 41168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(*I)) { 4123521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig const FunctionProtoType *FT = 0; 4133521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FD->hasWrittenPrototype()) 4143521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig FT = dyn_cast<FunctionProtoType>(FD->getType()->getAs<FunctionType>()); 4153521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig 41668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << FD << '('; 4173521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FT) { 4183521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig unsigned NumParams = FD->getNumParams(); 4193521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig for (unsigned i = 0; i < NumParams; ++i) { 4203521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (i) 42168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ", "; 4223521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig std::string Param; 4233521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig FD->getParamDecl(i)->getType().getAsStringInternal(Param, P); 42468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << Param; 4253521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 4263521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig 4273521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FT->isVariadic()) { 4283521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (NumParams > 0) 42968eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ", "; 43068eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "..."; 4313521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 4323521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 43368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << ')'; 43468eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } else { 43568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << cast<NamedDecl>(*I); 43668eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer } 43768eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "::"; 43847b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor } 43947b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 4408472af4df9292e02fb25c952d25a81f3ca296252John McCall if (getDeclName()) 44168eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << this; 4428472af4df9292e02fb25c952d25a81f3ca296252John McCall else 44368eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer OS << "<anonymous>"; 44447b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 44568eebbb6279cf5d5133963b1474f0765c589cf3aBenjamin Kramer return OS.str(); 44647b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor} 44747b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 4484afa39deaa245592977136d367251ee2c173dd8dDouglas Gregorbool NamedDecl::declarationReplaces(NamedDecl *OldD) const { 4496ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor assert(getDeclName() == OldD->getDeclName() && "Declaration name mismatch"); 4506ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 4512a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor // UsingDirectiveDecl's are not really NamedDecl's, and all have same name. 4522a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor // We want to keep it, unless it nominates same namespace. 4532a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor if (getKind() == Decl::UsingDirective) { 4542a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor return cast<UsingDirectiveDecl>(this)->getNominatedNamespace() == 4552a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor cast<UsingDirectiveDecl>(OldD)->getNominatedNamespace(); 4562a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor } 4571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4586ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(this)) 4596ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // For function declarations, we keep track of redeclarations. 4606ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor return FD->getPreviousDeclaration() == OldD; 4616ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 462e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor // For function templates, the underlying function declarations are linked. 463e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (const FunctionTemplateDecl *FunctionTemplate 464e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor = dyn_cast<FunctionTemplateDecl>(this)) 465e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (const FunctionTemplateDecl *OldFunctionTemplate 466e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor = dyn_cast<FunctionTemplateDecl>(OldD)) 467e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return FunctionTemplate->getTemplatedDecl() 468e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor ->declarationReplaces(OldFunctionTemplate->getTemplatedDecl()); 4691eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4700de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff // For method declarations, we keep track of redeclarations. 4710de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff if (isa<ObjCMethodDecl>(this)) 4720de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff return false; 4731eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 474f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall if (isa<ObjCInterfaceDecl>(this) && isa<ObjCCompatibleAliasDecl>(OldD)) 475f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall return true; 476f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall 4779488ea120e093068021f944176c3d610dd540914John McCall if (isa<UsingShadowDecl>(this) && isa<UsingShadowDecl>(OldD)) 4789488ea120e093068021f944176c3d610dd540914John McCall return cast<UsingShadowDecl>(this)->getTargetDecl() == 4799488ea120e093068021f944176c3d610dd540914John McCall cast<UsingShadowDecl>(OldD)->getTargetDecl(); 4809488ea120e093068021f944176c3d610dd540914John McCall 4816ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // For non-function declarations, if the declarations are of the 4826ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // same kind then this must be a redeclaration, or semantic analysis 4836ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // would not have given us the new declaration. 4846ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor return this->getKind() == OldD->getKind(); 4856ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor} 4866ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 487d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregorbool NamedDecl::hasLinkage() const { 488d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return getLinkage() != NoLinkage; 489d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregor} 4904afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor 491e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders CarlssonNamedDecl *NamedDecl::getUnderlyingDecl() { 492e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson NamedDecl *ND = this; 493e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson while (true) { 4949488ea120e093068021f944176c3d610dd540914John McCall if (UsingShadowDecl *UD = dyn_cast<UsingShadowDecl>(ND)) 495e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson ND = UD->getTargetDecl(); 496e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson else if (ObjCCompatibleAliasDecl *AD 497e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson = dyn_cast<ObjCCompatibleAliasDecl>(ND)) 498e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson return AD->getClassInterface(); 499e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson else 500e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson return ND; 501e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson } 502e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson} 503e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson 504161755a09898c95d21bfff33707da9ca41cd53c5John McCallbool NamedDecl::isCXXInstanceMember() const { 505161755a09898c95d21bfff33707da9ca41cd53c5John McCall assert(isCXXClassMember() && 506161755a09898c95d21bfff33707da9ca41cd53c5John McCall "checking whether non-member is instance member"); 507161755a09898c95d21bfff33707da9ca41cd53c5John McCall 508161755a09898c95d21bfff33707da9ca41cd53c5John McCall const NamedDecl *D = this; 509161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<UsingShadowDecl>(D)) 510161755a09898c95d21bfff33707da9ca41cd53c5John McCall D = cast<UsingShadowDecl>(D)->getTargetDecl(); 511161755a09898c95d21bfff33707da9ca41cd53c5John McCall 512161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<FieldDecl>(D)) 513161755a09898c95d21bfff33707da9ca41cd53c5John McCall return true; 514161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<CXXMethodDecl>(D)) 515161755a09898c95d21bfff33707da9ca41cd53c5John McCall return cast<CXXMethodDecl>(D)->isInstance(); 516161755a09898c95d21bfff33707da9ca41cd53c5John McCall if (isa<FunctionTemplateDecl>(D)) 517161755a09898c95d21bfff33707da9ca41cd53c5John McCall return cast<CXXMethodDecl>(cast<FunctionTemplateDecl>(D) 518161755a09898c95d21bfff33707da9ca41cd53c5John McCall ->getTemplatedDecl())->isInstance(); 519161755a09898c95d21bfff33707da9ca41cd53c5John McCall return false; 520161755a09898c95d21bfff33707da9ca41cd53c5John McCall} 521161755a09898c95d21bfff33707da9ca41cd53c5John McCall 5225239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis//===----------------------------------------------------------------------===// 523a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis// DeclaratorDecl Implementation 524a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 525a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis 526b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCallDeclaratorDecl::~DeclaratorDecl() {} 527b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCallvoid DeclaratorDecl::Destroy(ASTContext &C) { 528b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (hasExtInfo()) 529b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall C.Deallocate(getExtInfo()); 530b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall ValueDecl::Destroy(C); 531b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 532b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 533a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios KyrtzidisSourceLocation DeclaratorDecl::getTypeSpecStartLoc() const { 5344e449836c0deee9cfd92d32cb7d843759fa6452bJohn McCall TypeSourceInfo *TSI = getTypeSourceInfo(); 5354e449836c0deee9cfd92d32cb7d843759fa6452bJohn McCall if (TSI) return TSI->getTypeLoc().getBeginLoc(); 536a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis return SourceLocation(); 537a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis} 538a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis 539b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCallvoid DeclaratorDecl::setQualifierInfo(NestedNameSpecifier *Qualifier, 540b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall SourceRange QualifierRange) { 541b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (Qualifier) { 542b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Make sure the extended decl info is allocated. 543b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!hasExtInfo()) { 544b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Save (non-extended) type source info pointer. 545b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TypeSourceInfo *savedTInfo = DeclInfo.get<TypeSourceInfo*>(); 546b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Allocate external info struct. 547b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall DeclInfo = new (getASTContext()) ExtInfo; 548b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Restore savedTInfo into (extended) decl info. 549b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getExtInfo()->TInfo = savedTInfo; 550b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 551b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Set qualifier info. 552b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getExtInfo()->NNS = Qualifier; 553b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getExtInfo()->NNSRange = QualifierRange; 554b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 555b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall else { 556b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Here Qualifier == 0, i.e., we are removing the qualifier (if any). 557b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall assert(QualifierRange.isInvalid()); 558b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (hasExtInfo()) { 559b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Save type source info pointer. 560b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TypeSourceInfo *savedTInfo = getExtInfo()->TInfo; 561b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Deallocate the extended decl info. 562b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getASTContext().Deallocate(getExtInfo()); 563b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Restore savedTInfo into (non-extended) decl info. 564b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall DeclInfo = savedTInfo; 565b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 566b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 567b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 568b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 5699b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnaravoid 5709b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo BagnaraQualifierInfo::setTemplateParameterListsInfo(unsigned NumTPLists, 5719b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara TemplateParameterList **TPLists) { 5729b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara assert((NumTPLists == 0 || TPLists != 0) && 5739b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara "Empty array of template parameters with positive size!"); 5749b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara assert((NumTPLists == 0 || NNS) && 5759b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara "Nonempty array of template parameters with no qualifier!"); 5769b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara 5779b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara // Free previous template parameters (if any). 5789b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara if (NumTemplParamLists > 0) { 5799b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara delete[] TemplParamLists; 5809b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara TemplParamLists = 0; 5819b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara NumTemplParamLists = 0; 5829b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara } 5839b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara // Set info on matched template parameter lists (if any). 5849b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara if (NumTPLists > 0) { 5859b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara TemplParamLists = new TemplateParameterList*[NumTPLists]; 5869b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara NumTemplParamLists = NumTPLists; 5879b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara for (unsigned i = NumTPLists; i-- > 0; ) 5889b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara TemplParamLists[i] = TPLists[i]; 5899b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara } 5909b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara} 5919b9348889d85fc9daf943c64e3ac3fb021a4f028Abramo Bagnara 592a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 59399f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes// VarDecl Implementation 59499f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes//===----------------------------------------------------------------------===// 59599f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 5967783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlconst char *VarDecl::getStorageClassSpecifierString(StorageClass SC) { 5977783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl switch (SC) { 5987783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl case VarDecl::None: break; 5997783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl case VarDecl::Auto: return "auto"; break; 6007783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl case VarDecl::Extern: return "extern"; break; 6017783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl case VarDecl::PrivateExtern: return "__private_extern__"; break; 6027783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl case VarDecl::Register: return "register"; break; 6037783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl case VarDecl::Static: return "static"; break; 6047783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 6057783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 6067783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(0 && "Invalid storage class"); 6077783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return 0; 6087783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 6097783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 6104afa39deaa245592977136d367251ee2c173dd8dDouglas GregorVarDecl *VarDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, 611a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall IdentifierInfo *Id, QualType T, TypeSourceInfo *TInfo, 61216573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor StorageClass S, StorageClass SCAsWritten) { 61316573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor return new (C) VarDecl(Var, DC, L, Id, T, TInfo, S, SCAsWritten); 61499f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes} 61599f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 61699f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopesvoid VarDecl::Destroy(ASTContext& C) { 617df2d3cf2be8b91e1e21234ff5a3aa4f820e7001aSebastian Redl Expr *Init = getInit(); 61878d1583d0b36b7d6d8d10234cdc19ab94adf765aDouglas Gregor if (Init) { 619df2d3cf2be8b91e1e21234ff5a3aa4f820e7001aSebastian Redl Init->Destroy(C); 62078d1583d0b36b7d6d8d10234cdc19ab94adf765aDouglas Gregor if (EvaluatedStmt *Eval = this->Init.dyn_cast<EvaluatedStmt *>()) { 62178d1583d0b36b7d6d8d10234cdc19ab94adf765aDouglas Gregor Eval->~EvaluatedStmt(); 62278d1583d0b36b7d6d8d10234cdc19ab94adf765aDouglas Gregor C.Deallocate(Eval); 62378d1583d0b36b7d6d8d10234cdc19ab94adf765aDouglas Gregor } 62478d1583d0b36b7d6d8d10234cdc19ab94adf765aDouglas Gregor } 62599f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes this->~VarDecl(); 626b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall DeclaratorDecl::Destroy(C); 62799f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes} 62899f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 62999f06ba988922ea721035a89e6d3c66ba100ba8aNuno LopesVarDecl::~VarDecl() { 63099f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes} 63199f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 63255d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios KyrtzidisSourceRange VarDecl::getSourceRange() const { 63333e9abd21083a0191a7676a04b497006d2da184dDouglas Gregor SourceLocation Start = getTypeSpecStartLoc(); 63433e9abd21083a0191a7676a04b497006d2da184dDouglas Gregor if (Start.isInvalid()) 63533e9abd21083a0191a7676a04b497006d2da184dDouglas Gregor Start = getLocation(); 63633e9abd21083a0191a7676a04b497006d2da184dDouglas Gregor 63755d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis if (getInit()) 63833e9abd21083a0191a7676a04b497006d2da184dDouglas Gregor return SourceRange(Start, getInit()->getLocEnd()); 63933e9abd21083a0191a7676a04b497006d2da184dDouglas Gregor return SourceRange(Start, getLocation()); 64055d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis} 64155d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis 6427783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlbool VarDecl::isExternC() const { 6437783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl ASTContext &Context = getASTContext(); 6447783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (!Context.getLangOptions().CPlusPlus) 6457783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return (getDeclContext()->isTranslationUnit() && 6467783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl getStorageClass() != Static) || 6477783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl (getDeclContext()->isFunctionOrMethod() && hasExternalStorage()); 6487783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 6497783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl for (const DeclContext *DC = getDeclContext(); !DC->isTranslationUnit(); 6507783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl DC = DC->getParent()) { 6517783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) { 6527783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (Linkage->getLanguage() == LinkageSpecDecl::lang_c) 6537783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getStorageClass() != Static; 6547783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 6557783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl break; 6567783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 6577783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 6587783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (DC->isFunctionOrMethod()) 6597783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 6607783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 6617783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 6627783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 6637783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 6647783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 6657783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlVarDecl *VarDecl::getCanonicalDecl() { 6667783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 6677783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 6687783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 669e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian RedlVarDecl::DefinitionKind VarDecl::isThisDeclarationADefinition() const { 670e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C++ [basic.def]p2: 671e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A declaration is a definition unless [...] it contains the 'extern' 672e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // specifier or a linkage-specification and neither an initializer [...], 673e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // it declares a static data member in a class declaration [...]. 674e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C++ [temp.expl.spec]p15: 675e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // An explicit specialization of a static data member of a template is a 676e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // definition if the declaration includes an initializer; otherwise, it is 677e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // a declaration. 678e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (isStaticDataMember()) { 679e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (isOutOfLine() && (hasInit() || 680e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl getTemplateSpecializationKind() != TSK_ExplicitSpecialization)) 681e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 682e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl else 683e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return DeclarationOnly; 684e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 685e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.7p5: 686e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A definition of an identifier is a declaration for that identifier that 687e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // [...] causes storage to be reserved for that object. 688e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // Note: that applies for all non-file-scope objects. 689e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.9.2p1: 690e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // If the declaration of an identifier for an object has file scope and an 691e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // initializer, the declaration is an external definition for the identifier 692e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (hasInit()) 693e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 694e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // AST for 'extern "C" int foo;' is annotated with 'extern'. 695e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (hasExternalStorage()) 696e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return DeclarationOnly; 697e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 698e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.9.2p2: 699e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A declaration of an object that has file scope without an initializer, 700e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // and without a storage class specifier or the scs 'static', constitutes 701e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // a tentative definition. 702e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // No such thing in C++. 703e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (!getASTContext().getLangOptions().CPlusPlus && isFileVarDecl()) 704e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return TentativeDefinition; 705e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 706e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // What's left is (in C, block-scope) declarations without initializers or 707e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // external storage. These are definitions. 708e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 709e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 710e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 711e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian RedlVarDecl *VarDecl::getActingDefinition() { 712e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl DefinitionKind Kind = isThisDeclarationADefinition(); 713e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind != TentativeDefinition) 714e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return 0; 715e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 716f0ed9ef428a051bafc914b9935dcd1d1aa30cf3fChris Lattner VarDecl *LastTentative = 0; 717e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl VarDecl *First = getFirstDeclaration(); 718e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl for (redecl_iterator I = First->redecls_begin(), E = First->redecls_end(); 719e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl I != E; ++I) { 720e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl Kind = (*I)->isThisDeclarationADefinition(); 721e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind == Definition) 722e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return 0; 723e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl else if (Kind == TentativeDefinition) 724e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl LastTentative = *I; 725e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 726e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return LastTentative; 727e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 728e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 729e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redlbool VarDecl::isTentativeDefinitionNow() const { 730e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl DefinitionKind Kind = isThisDeclarationADefinition(); 731e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind != TentativeDefinition) 732e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return false; 733e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 734e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 735e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if ((*I)->isThisDeclarationADefinition() == Definition) 736e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return false; 737e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 73831310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return true; 73931310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl} 74031310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl 74131310a21fb2a9f13950f864f681c86080b05d5b2Sebastian RedlVarDecl *VarDecl::getDefinition() { 742e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl VarDecl *First = getFirstDeclaration(); 743e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl for (redecl_iterator I = First->redecls_begin(), E = First->redecls_end(); 744e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl I != E; ++I) { 74531310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl if ((*I)->isThisDeclarationADefinition() == Definition) 74631310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return *I; 74731310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl } 74831310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return 0; 749e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 750e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 75131310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redlconst Expr *VarDecl::getAnyInitializer(const VarDecl *&D) const { 7527783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl redecl_iterator I = redecls_begin(), E = redecls_end(); 7537783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl while (I != E && !I->getInit()) 7547783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl ++I; 7557783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 7567783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (I != E) { 75731310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl D = *I; 7587783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return I->getInit(); 7597783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 7607783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return 0; 7617783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 7627783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 7631028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregorbool VarDecl::isOutOfLine() const { 7641028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (Decl::isOutOfLine()) 7651028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return true; 7668761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth 7678761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth if (!isStaticDataMember()) 7688761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth return false; 7698761d680eaa7386e03f51286f4b84a1ffe575e2eChandler Carruth 7701028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // If this static data member was instantiated from a static data member of 7711028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // a class template, check whether that static data member was defined 7721028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // out-of-line. 7731028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (VarDecl *VD = getInstantiatedFromStaticDataMember()) 7741028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return VD->isOutOfLine(); 7751028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor 7761028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return false; 7771028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor} 7781028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor 7790d03514da06dffb39a260a1228ea3fd01d196fa4Douglas GregorVarDecl *VarDecl::getOutOfLineDefinition() { 7800d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor if (!isStaticDataMember()) 7810d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return 0; 7820d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 7830d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor for (VarDecl::redecl_iterator RD = redecls_begin(), RDEnd = redecls_end(); 7840d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor RD != RDEnd; ++RD) { 7850d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor if (RD->getLexicalDeclContext()->isFileContext()) 7860d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return *RD; 7870d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor } 7880d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 7890d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return 0; 7900d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor} 7910d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 792838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid VarDecl::setInit(Expr *I) { 7937783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (EvaluatedStmt *Eval = Init.dyn_cast<EvaluatedStmt *>()) { 7947783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Eval->~EvaluatedStmt(); 795838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor getASTContext().Deallocate(Eval); 7967783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 7977783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 7987783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Init = I; 7997783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 8007783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 8011028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas GregorVarDecl *VarDecl::getInstantiatedFromStaticDataMember() const { 802b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor if (MemberSpecializationInfo *MSI = getMemberSpecializationInfo()) 803251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return cast<VarDecl>(MSI->getInstantiatedFrom()); 804251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 805251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return 0; 806251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor} 807251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 808663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorTemplateSpecializationKind VarDecl::getTemplateSpecializationKind() const { 809e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (MemberSpecializationInfo *MSI = getMemberSpecializationInfo()) 810251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return MSI->getTemplateSpecializationKind(); 811251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 812251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return TSK_Undeclared; 813251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor} 814251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 8151028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas GregorMemberSpecializationInfo *VarDecl::getMemberSpecializationInfo() const { 816b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor return getASTContext().getInstantiatedFromStaticDataMember(this); 817b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor} 818b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor 8190a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregorvoid VarDecl::setTemplateSpecializationKind(TemplateSpecializationKind TSK, 8200a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor SourceLocation PointOfInstantiation) { 821b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor MemberSpecializationInfo *MSI = getMemberSpecializationInfo(); 822251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor assert(MSI && "Not an instantiated static data member?"); 823251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor MSI->setTemplateSpecializationKind(TSK); 8240a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 8250a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 8260a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSI->getPointOfInstantiation().isInvalid()) 8270a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSI->setPointOfInstantiation(PointOfInstantiation); 8287caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 8297caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 8307783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 8317783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// ParmVarDecl Implementation 8327783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 833275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 8347783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlParmVarDecl *ParmVarDecl::Create(ASTContext &C, DeclContext *DC, 8357783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, IdentifierInfo *Id, 8367783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl QualType T, TypeSourceInfo *TInfo, 83716573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor StorageClass S, StorageClass SCAsWritten, 83816573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor Expr *DefArg) { 83916573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor return new (C) ParmVarDecl(ParmVar, DC, L, Id, T, TInfo, 84016573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor S, SCAsWritten, DefArg); 841275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor} 842275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 8437783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlExpr *ParmVarDecl::getDefaultArg() { 8447783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!hasUnparsedDefaultArg() && "Default argument is not yet parsed!"); 8457783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!hasUninstantiatedDefaultArg() && 8467783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl "Default argument is not yet instantiated!"); 8477783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 8487783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Expr *Arg = getInit(); 8497783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (CXXExprWithTemporaries *E = dyn_cast_or_null<CXXExprWithTemporaries>(Arg)) 8507783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getSubExpr(); 8517783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 8527783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Arg; 8537783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 8547783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 8557783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlunsigned ParmVarDecl::getNumDefaultArgTemporaries() const { 8567783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const CXXExprWithTemporaries *E = 8577783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl dyn_cast<CXXExprWithTemporaries>(getInit())) 8587783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getNumTemporaries(); 859275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 860c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis return 0; 861275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor} 862275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 8637783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlCXXTemporary *ParmVarDecl::getDefaultArgTemporary(unsigned i) { 8647783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(getNumDefaultArgTemporaries() && 8657783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl "Default arguments does not have any temporaries!"); 8667783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 8677783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl CXXExprWithTemporaries *E = cast<CXXExprWithTemporaries>(getInit()); 8687783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getTemporary(i); 8697783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 8707783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 8717783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlSourceRange ParmVarDecl::getDefaultArgRange() const { 8727783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const Expr *E = getInit()) 8737783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getSourceRange(); 8747783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 8757783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (hasUninstantiatedDefaultArg()) 8767783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getUninstantiatedDefaultArg()->getSourceRange(); 8777783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 8787783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return SourceRange(); 879fc7e2a8fbb08f0f496ac6cea0721fe72db8ce240Argyrios Kyrtzidis} 880fc7e2a8fbb08f0f496ac6cea0721fe72db8ce240Argyrios Kyrtzidis 88199f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes//===----------------------------------------------------------------------===// 8828a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner// FunctionDecl Implementation 8838a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 8848a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner 88527f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenekvoid FunctionDecl::Destroy(ASTContext& C) { 886250fc9c859fdeed3f200ae911a7e7ea338f38436Douglas Gregor if (Body && Body.isOffset()) 887250fc9c859fdeed3f200ae911a7e7ea338f38436Douglas Gregor Body.get(C.getExternalSource())->Destroy(C); 888b65cf41707d190d5ce3d48b9e5bd2dc9d7b4a4c0Ted Kremenek 889b65cf41707d190d5ce3d48b9e5bd2dc9d7b4a4c0Ted Kremenek for (param_iterator I=param_begin(), E=param_end(); I!=E; ++I) 890b65cf41707d190d5ce3d48b9e5bd2dc9d7b4a4c0Ted Kremenek (*I)->Destroy(C); 891460b0ac80382fa73337d21dd052c1f18b27435d8Nuno Lopes 8922db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor FunctionTemplateSpecializationInfo *FTSInfo 8932db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>(); 8942db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (FTSInfo) 8952db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor C.Deallocate(FTSInfo); 8962db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 8972db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MemberSpecializationInfo *MSInfo 8982db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>(); 8992db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (MSInfo) 9002db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor C.Deallocate(MSInfo); 9012db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 9023e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff C.Deallocate(ParamInfo); 903460b0ac80382fa73337d21dd052c1f18b27435d8Nuno Lopes 904b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall DeclaratorDecl::Destroy(C); 90527f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek} 90627f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 907136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCallvoid FunctionDecl::getNameForDiagnostic(std::string &S, 908136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall const PrintingPolicy &Policy, 909136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall bool Qualified) const { 910136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall NamedDecl::getNameForDiagnostic(S, Policy, Qualified); 911136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall const TemplateArgumentList *TemplateArgs = getTemplateSpecializationArgs(); 912136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall if (TemplateArgs) 913136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall S += TemplateSpecializationType::PrintTemplateArgumentList( 914136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall TemplateArgs->getFlatArgumentList(), 915136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall TemplateArgs->flat_size(), 916136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall Policy); 917136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall 918136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall} 91927f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 9209498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenekbool FunctionDecl::isVariadic() const { 9219498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek if (const FunctionProtoType *FT = getType()->getAs<FunctionProtoType>()) 9229498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek return FT->isVariadic(); 9239498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek return false; 9249498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek} 9259498d388810d284d3970aef0d69fa4d069fd6cafTed Kremenek 9266fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios KyrtzidisStmt *FunctionDecl::getBody(const FunctionDecl *&Definition) const { 927c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 928c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis if (I->Body) { 929c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis Definition = *I; 930c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis return I->Body.get(getASTContext().getExternalSource()); 931f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor } 932f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor } 933f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor 934f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor return 0; 9355f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 9365f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 93755d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidisvoid FunctionDecl::setBody(Stmt *B) { 93855d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis Body = B; 9391a5364e0fa0482d8d477d6f136d52e503bbe13f4Argyrios Kyrtzidis if (B) 94055d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis EndRangeLoc = B->getLocEnd(); 94155d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis} 94255d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis 94348a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregorbool FunctionDecl::isMain() const { 94448a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregor ASTContext &Context = getASTContext(); 94507a5c22bb6fb0674c95205ae189365bf8e1b695eJohn McCall return !Context.getLangOptions().Freestanding && 94607a5c22bb6fb0674c95205ae189365bf8e1b695eJohn McCall getDeclContext()->getLookupContext()->isTranslationUnit() && 94704495c859f81e440748a9b86baa2913461652bb0Douglas Gregor getIdentifier() && getIdentifier()->isStr("main"); 94804495c859f81e440748a9b86baa2913461652bb0Douglas Gregor} 94904495c859f81e440748a9b86baa2913461652bb0Douglas Gregor 95048a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregorbool FunctionDecl::isExternC() const { 95148a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregor ASTContext &Context = getASTContext(); 9526393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor // In C, any non-static, non-overloadable function has external 9536393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor // linkage. 9546393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (!Context.getLangOptions().CPlusPlus) 95540b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis return getStorageClass() != Static && !getAttr<OverloadableAttr>(); 9566393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 9571eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (const DeclContext *DC = getDeclContext(); !DC->isTranslationUnit(); 9586393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor DC = DC->getParent()) { 9596393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) { 9606393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (Linkage->getLanguage() == LinkageSpecDecl::lang_c) 9611eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return getStorageClass() != Static && 96240b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis !getAttr<OverloadableAttr>(); 9636393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 9646393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor break; 9656393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor } 9666393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor } 9676393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 9686393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor return false; 9696393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor} 9706393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 9718499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregorbool FunctionDecl::isGlobal() const { 9728499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (const CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(this)) 9738499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return Method->isStatic(); 9748499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 9758499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (getStorageClass() == Static) 9768499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return false; 9778499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 9781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (const DeclContext *DC = getDeclContext(); 9798499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor DC->isNamespace(); 9808499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor DC = DC->getParent()) { 9818499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (const NamespaceDecl *Namespace = cast<NamespaceDecl>(DC)) { 9828499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (!Namespace->getDeclName()) 9838499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return false; 9848499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor break; 9858499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor } 9868499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor } 9878499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 9888499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return true; 9898499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor} 9908499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 9917783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlvoid 9927783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl::setPreviousDeclaration(FunctionDecl *PrevDecl) { 9937783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl redeclarable_base::setPreviousDeclaration(PrevDecl); 9947783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 9957783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (FunctionTemplateDecl *FunTmpl = getDescribedFunctionTemplate()) { 9967783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl FunctionTemplateDecl *PrevFunTmpl 9977783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl = PrevDecl? PrevDecl->getDescribedFunctionTemplate() : 0; 9987783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert((!PrevDecl || PrevFunTmpl) && "Function/function template mismatch"); 9997783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl FunTmpl->setPreviousDeclaration(PrevFunTmpl); 10007783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 10017783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 10027783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 10037783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlconst FunctionDecl *FunctionDecl::getCanonicalDecl() const { 10047783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 10057783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 10067783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 10077783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl *FunctionDecl::getCanonicalDecl() { 10087783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 10097783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 10107783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 10113e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// \brief Returns a value indicating whether this function 10123e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// corresponds to a builtin function. 10133e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// 10143e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// The function corresponds to a built-in function if it is 10153e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// declared at translation scope or within an extern "C" block and 10163e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// its name matches with the name of a builtin. The returned value 10173e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// will be 0 for functions that do not correspond to a builtin, a 10181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// value of type \c Builtin::ID if in the target-independent range 10193e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// \c [1,Builtin::First), or a target-specific builtin value. 10207814e6d6645d587891293d59ecf6576defcfac92Douglas Gregorunsigned FunctionDecl::getBuiltinID() const { 10217814e6d6645d587891293d59ecf6576defcfac92Douglas Gregor ASTContext &Context = getASTContext(); 10223c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!getIdentifier() || !getIdentifier()->getBuiltinID()) 10233c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return 0; 10243c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 10253c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor unsigned BuiltinID = getIdentifier()->getBuiltinID(); 10263c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!Context.BuiltinInfo.isPredefinedLibFunction(BuiltinID)) 10273c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 10283c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 10293c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // This function has the name of a known C library 10303c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // function. Determine whether it actually refers to the C library 10313c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // function or whether it just has the same name. 10323c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 10339add31798f621f843233dbff8bba103fca64447bDouglas Gregor // If this is a static function, it's not a builtin. 10349add31798f621f843233dbff8bba103fca64447bDouglas Gregor if (getStorageClass() == Static) 10359add31798f621f843233dbff8bba103fca64447bDouglas Gregor return 0; 10369add31798f621f843233dbff8bba103fca64447bDouglas Gregor 10373c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // If this function is at translation-unit scope and we're not in 10383c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // C++, it refers to the C library function. 10393c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 10403c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor getDeclContext()->isTranslationUnit()) 10413c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 10423c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 10433c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // If the function is in an extern "C" linkage specification and is 10443c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // not marked "overloadable", it's the real function. 10453c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (isa<LinkageSpecDecl>(getDeclContext()) && 10461eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump cast<LinkageSpecDecl>(getDeclContext())->getLanguage() 10473c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor == LinkageSpecDecl::lang_c && 104840b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis !getAttr<OverloadableAttr>()) 10493c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 10503c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 10513c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // Not a builtin 10523e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor return 0; 10533e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor} 10543e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor 10553e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor 10561ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattner/// getNumParams - Return the number of parameters this function must have 10572dbd285f5033ca6dea25babfd1c43d9fec35e7e5Chris Lattner/// based on its FunctionType. This is the length of the PararmInfo array 10581ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattner/// after it has been created. 10591ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattnerunsigned FunctionDecl::getNumParams() const { 1060183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *FT = getType()->getAs<FunctionType>(); 106172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor if (isa<FunctionNoProtoType>(FT)) 1062d3b9065ec7052ec4741783d2fb4130d13c766933Chris Lattner return 0; 106372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return cast<FunctionProtoType>(FT)->getNumArgs(); 10641eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10655f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 10665f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1067838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid FunctionDecl::setParams(ParmVarDecl **NewParamInfo, unsigned NumParams) { 10685f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(ParamInfo == 0 && "Already has param info!"); 10692dbd285f5033ca6dea25babfd1c43d9fec35e7e5Chris Lattner assert(NumParams == getNumParams() && "Parameter count mismatch!"); 10701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 10715f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Zero params -> null pointer. 10725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (NumParams) { 1073838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor void *Mem = getASTContext().Allocate(sizeof(ParmVarDecl*)*NumParams); 1074fc767615bc67d3a7587b1fb2e0494c32c9dbd7a5Ted Kremenek ParamInfo = new (Mem) ParmVarDecl*[NumParams]; 10755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer memcpy(ParamInfo, NewParamInfo, sizeof(ParmVarDecl*)*NumParams); 107655d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis 107796888cc2515e55c9b5dd6798063bf4be2c22983aArgyrios Kyrtzidis // Update source range. The check below allows us to set EndRangeLoc before 107896888cc2515e55c9b5dd6798063bf4be2c22983aArgyrios Kyrtzidis // setting the parameters. 1079cb5f8f59322c352f51714c3de5d8047e70895165Argyrios Kyrtzidis if (EndRangeLoc.isInvalid() || EndRangeLoc == getLocation()) 108055d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis EndRangeLoc = NewParamInfo[NumParams-1]->getLocEnd(); 10815f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10825f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 10835f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10848123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// getMinRequiredArguments - Returns the minimum number of arguments 10858123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// needed to call this function. This may be fewer than the number of 10868123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// function parameters, if some of the parameters have default 10879e979557eea3875c9e3d100c68188233dd7f46c0Chris Lattner/// arguments (in C++). 10888123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattnerunsigned FunctionDecl::getMinRequiredArguments() const { 10898123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner unsigned NumRequiredArgs = getNumParams(); 10908123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner while (NumRequiredArgs > 0 1091ae0b4e7be78cf0dc2a6a333e865c2be9265774f9Anders Carlsson && getParamDecl(NumRequiredArgs-1)->hasDefaultArg()) 10928123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner --NumRequiredArgs; 10938123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner 10948123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner return NumRequiredArgs; 10958123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner} 10968123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner 10977ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregorbool FunctionDecl::isInlined() const { 109848eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // FIXME: This is not enough. Consider: 109948eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // 110048eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // inline void f(); 110148eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // void f() { } 110248eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // 110348eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // f is inlined, but does not have inline specified. 110448eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // To fix this we should add an 'inline' flag to FunctionDecl. 110548eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson if (isInlineSpecified()) 11067d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return true; 110748eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson 110848eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson if (isa<CXXMethodDecl>(this)) { 110948eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson if (!isOutOfLine() || getCanonicalDecl()->isInlineSpecified()) 111048eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson return true; 111148eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson } 11127d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 11137d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor switch (getTemplateSpecializationKind()) { 11147d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_Undeclared: 11157d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitSpecialization: 11167d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return false; 11177d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 11187d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ImplicitInstantiation: 11197d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitInstantiationDeclaration: 11207d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitInstantiationDefinition: 11217d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor // Handle below. 11227d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor break; 11237d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor } 11247d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 11257d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor const FunctionDecl *PatternDecl = getTemplateInstantiationPattern(); 11267d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor Stmt *Pattern = 0; 11277d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor if (PatternDecl) 11287d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor Pattern = PatternDecl->getBody(PatternDecl); 11297d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 11307d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor if (Pattern && PatternDecl) 11317d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return PatternDecl->isInlined(); 11327d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 11337d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return false; 11347ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor} 11357ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor 11367d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor/// \brief For an inline function definition in C or C++, determine whether the 11371fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// definition will be externally visible. 11381fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 11391fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// Inline function definitions are always available for inlining optimizations. 11401fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// However, depending on the language dialect, declaration specifiers, and 11411fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// attributes, the definition of an inline function may or may not be 11421fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// "externally" visible to other translation units in the program. 11431fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 11441fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// In C99, inline definitions are not externally visible by default. However, 11451e5fd7f8e90e0953e5c59cbbbc130633d84a1e37Mike Stump/// if even one of the global-scope declarations is marked "extern inline", the 11461fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// inline definition becomes externally visible (C99 6.7.4p6). 11471fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 11481fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// In GNU89 mode, or if the gnu_inline attribute is attached to the function 11491fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// definition, we use the GNU semantics for inline, which are nearly the 11501fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// opposite of C99 semantics. In particular, "inline" by itself will create 11511fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// an externally visible symbol, but "extern inline" will not create an 11521fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// externally visible symbol. 11531fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregorbool FunctionDecl::isInlineDefinitionExternallyVisible() const { 11541fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor assert(isThisDeclarationADefinition() && "Must have the function definition"); 11557ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor assert(isInlined() && "Function must be inline"); 11567d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor ASTContext &Context = getASTContext(); 11571fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 11587d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor if (!Context.getLangOptions().C99 || hasAttr<GNUInlineAttr>()) { 11591fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // GNU inline semantics. Based on a number of examples, we came up with the 11601fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // following heuristic: if the "inline" keyword is present on a 11611fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // declaration of the function but "extern" is not present on that 11621fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // declaration, then the symbol is externally visible. Otherwise, the GNU 11631fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // "extern inline" semantics applies and the symbol is not externally 11641fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // visible. 11651fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor for (redecl_iterator Redecl = redecls_begin(), RedeclEnd = redecls_end(); 11661fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor Redecl != RedeclEnd; 11671fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor ++Redecl) { 11680130f3cc4ccd5f46361c48d5fe94133d74619424Douglas Gregor if (Redecl->isInlineSpecified() && Redecl->getStorageClass() != Extern) 11691fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor return true; 11701fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor } 11711fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 11721fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // GNU "extern inline" semantics; no externally visible symbol. 11739f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor return false; 11741fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor } 11751fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 11761fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // C99 6.7.4p6: 11771fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // [...] If all of the file scope declarations for a function in a 11781fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // translation unit include the inline function specifier without extern, 11791fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // then the definition in that translation unit is an inline definition. 11801fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor for (redecl_iterator Redecl = redecls_begin(), RedeclEnd = redecls_end(); 11811fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor Redecl != RedeclEnd; 11821fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor ++Redecl) { 11831fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // Only consider file-scope declarations in this test. 11841fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor if (!Redecl->getLexicalDeclContext()->isTranslationUnit()) 11851fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor continue; 11861fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 11870130f3cc4ccd5f46361c48d5fe94133d74619424Douglas Gregor if (!Redecl->isInlineSpecified() || Redecl->getStorageClass() == Extern) 11881fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor return true; // Not an inline definition 11891fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor } 11901fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 11911fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // C99 6.7.4p6: 11921fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // An inline definition does not provide an external definition for the 11931fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // function, and does not forbid an external definition in another 11941fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // translation unit. 11959f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor return false; 11969f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor} 11979f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor 11981cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// getOverloadedOperator - Which C++ overloaded operator this 11991cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// function represents, if any. 12001cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas GregorOverloadedOperatorKind FunctionDecl::getOverloadedOperator() const { 1201e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor if (getDeclName().getNameKind() == DeclarationName::CXXOperatorName) 1202e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return getDeclName().getCXXOverloadedOperator(); 12031cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor else 12041cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor return OO_None; 12051cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor} 12061cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 1207a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt/// getLiteralIdentifier - The literal suffix identifier this function 1208a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt/// represents, if any. 1209a6c058dd75c5563cced821fc16766a7cc179e00cSean Huntconst IdentifierInfo *FunctionDecl::getLiteralIdentifier() const { 1210a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt if (getDeclName().getNameKind() == DeclarationName::CXXLiteralOperatorName) 1211a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt return getDeclName().getCXXLiteralIdentifier(); 1212a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt else 1213a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt return 0; 1214a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt} 1215a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt 12162db323294ac02296125e1e0beb4c3595992e75bbDouglas GregorFunctionDecl *FunctionDecl::getInstantiatedFromMemberFunction() const { 1217b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor if (MemberSpecializationInfo *Info = getMemberSpecializationInfo()) 12182db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return cast<FunctionDecl>(Info->getInstantiatedFrom()); 12192db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 12202db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return 0; 12212db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor} 12222db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 1223b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas GregorMemberSpecializationInfo *FunctionDecl::getMemberSpecializationInfo() const { 1224b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor return TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>(); 1225b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor} 1226b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor 12272db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregorvoid 12282db323294ac02296125e1e0beb4c3595992e75bbDouglas GregorFunctionDecl::setInstantiationOfMemberFunction(FunctionDecl *FD, 12292db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor TemplateSpecializationKind TSK) { 12302db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor assert(TemplateOrSpecialization.isNull() && 12312db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor "Member function is already a specialization"); 12322db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MemberSpecializationInfo *Info 12332db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = new (getASTContext()) MemberSpecializationInfo(FD, TSK); 12342db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor TemplateOrSpecialization = Info; 12352db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor} 12362db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 12373b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregorbool FunctionDecl::isImplicitlyInstantiable() const { 12386cfacfe54c75baa4d67f1fbdf4f80644b662818eDouglas Gregor // If the function is invalid, it can't be implicitly instantiated. 12396cfacfe54c75baa4d67f1fbdf4f80644b662818eDouglas Gregor if (isInvalidDecl()) 12403b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return false; 12413b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 12423b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor switch (getTemplateSpecializationKind()) { 12433b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_Undeclared: 12443b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ExplicitSpecialization: 12453b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ExplicitInstantiationDefinition: 12463b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return false; 12473b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 12483b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ImplicitInstantiation: 12493b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return true; 12503b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 12513b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ExplicitInstantiationDeclaration: 12523b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Handled below. 12533b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor break; 12543b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 12553b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 12563b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Find the actual template from which we will instantiate. 12573b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor const FunctionDecl *PatternDecl = getTemplateInstantiationPattern(); 12583b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor Stmt *Pattern = 0; 12593b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (PatternDecl) 12603b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor Pattern = PatternDecl->getBody(PatternDecl); 12613b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 12623b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // C++0x [temp.explicit]p9: 12633b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Except for inline functions, other explicit instantiation declarations 12643b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // have the effect of suppressing the implicit instantiation of the entity 12653b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // to which they refer. 12663b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (!Pattern || !PatternDecl) 12673b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return true; 12683b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 12697ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor return PatternDecl->isInlined(); 12703b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor} 12713b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 12723b846b6c252972a6f142aa226c1e65aebd0feecaDouglas GregorFunctionDecl *FunctionDecl::getTemplateInstantiationPattern() const { 12733b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (FunctionTemplateDecl *Primary = getPrimaryTemplate()) { 12743b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor while (Primary->getInstantiatedFromMemberTemplate()) { 12753b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // If we have hit a point where the user provided a specialization of 12763b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // this template, we're done looking. 12773b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (Primary->isMemberSpecialization()) 12783b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor break; 12793b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 12803b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor Primary = Primary->getInstantiatedFromMemberTemplate(); 12813b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 12823b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 12833b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return Primary->getTemplatedDecl(); 12843b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 12853b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 12863b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return getInstantiatedFromMemberFunction(); 12873b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor} 12883b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 128916e8be2ac532358d4e413fdfa2643b1876edda78Douglas GregorFunctionTemplateDecl *FunctionDecl::getPrimaryTemplate() const { 12901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionTemplateSpecializationInfo *Info 129116e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor = TemplateOrSpecialization 129216e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 12931fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor return Info->Template.getPointer(); 129416e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor } 129516e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return 0; 129616e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor} 129716e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor 129816e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregorconst TemplateArgumentList * 129916e8be2ac532358d4e413fdfa2643b1876edda78Douglas GregorFunctionDecl::getTemplateSpecializationArgs() const { 13001eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionTemplateSpecializationInfo *Info 1301fd056bc86a8b22a9421b5d921bbca276d0f9d0f7Douglas Gregor = TemplateOrSpecialization 1302fd056bc86a8b22a9421b5d921bbca276d0f9d0f7Douglas Gregor .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 130316e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return Info->TemplateArguments; 130416e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor } 130516e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return 0; 130616e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor} 130716e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor 1308e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnaraconst TemplateArgumentListInfo * 1309e03db98d67111ebf7622d9086951aacc24406b66Abramo BagnaraFunctionDecl::getTemplateSpecializationArgsAsWritten() const { 1310e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara if (FunctionTemplateSpecializationInfo *Info 1311e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara = TemplateOrSpecialization 1312e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 1313e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara return Info->TemplateArgumentsAsWritten; 1314e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara } 1315e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara return 0; 1316e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara} 1317e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara 13181eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 1319838db383b69b9fb55f55c8e9546477df198a4faaDouglas GregorFunctionDecl::setFunctionTemplateSpecialization(FunctionTemplateDecl *Template, 1320127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor const TemplateArgumentList *TemplateArgs, 1321b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor void *InsertPos, 1322e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara TemplateSpecializationKind TSK, 1323e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara const TemplateArgumentListInfo *TemplateArgsAsWritten) { 1324b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor assert(TSK != TSK_Undeclared && 1325b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor "Must specify the type of function template specialization"); 13261eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionTemplateSpecializationInfo *Info 132716e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor = TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>(); 13281637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor if (!Info) 1329838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor Info = new (getASTContext()) FunctionTemplateSpecializationInfo; 13301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1331127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor Info->Function = this; 13321fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor Info->Template.setPointer(Template); 1333b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor Info->Template.setInt(TSK - 1); 13341637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor Info->TemplateArguments = TemplateArgs; 1335e03db98d67111ebf7622d9086951aacc24406b66Abramo Bagnara Info->TemplateArgumentsAsWritten = TemplateArgsAsWritten; 13361637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor TemplateOrSpecialization = Info; 13371eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1338127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // Insert this function template specialization into the set of known 1339b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor // function template specializations. 1340b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor if (InsertPos) 1341b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor Template->getSpecializations().InsertNode(Info, InsertPos); 1342b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor else { 1343b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor // Try to insert the new node. If there is an existing node, remove it 1344b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor // first. 1345b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor FunctionTemplateSpecializationInfo *Existing 1346b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor = Template->getSpecializations().GetOrInsertNode(Info); 1347b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor if (Existing) { 1348b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor Template->getSpecializations().RemoveNode(Existing); 1349b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor Template->getSpecializations().GetOrInsertNode(Info); 1350b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor } 1351b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor } 13521637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor} 13531637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor 1354af2094e7cecadf36667deb61a83587ffdd979bd3John McCallvoid 1355af2094e7cecadf36667deb61a83587ffdd979bd3John McCallFunctionDecl::setDependentTemplateSpecialization(ASTContext &Context, 1356af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const UnresolvedSetImpl &Templates, 1357af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const TemplateArgumentListInfo &TemplateArgs) { 1358af2094e7cecadf36667deb61a83587ffdd979bd3John McCall assert(TemplateOrSpecialization.isNull()); 1359af2094e7cecadf36667deb61a83587ffdd979bd3John McCall size_t Size = sizeof(DependentFunctionTemplateSpecializationInfo); 1360af2094e7cecadf36667deb61a83587ffdd979bd3John McCall Size += Templates.size() * sizeof(FunctionTemplateDecl*); 136121c0160959961b3a6ab3308608ee3fde182ecb49John McCall Size += TemplateArgs.size() * sizeof(TemplateArgumentLoc); 1362af2094e7cecadf36667deb61a83587ffdd979bd3John McCall void *Buffer = Context.Allocate(Size); 1363af2094e7cecadf36667deb61a83587ffdd979bd3John McCall DependentFunctionTemplateSpecializationInfo *Info = 1364af2094e7cecadf36667deb61a83587ffdd979bd3John McCall new (Buffer) DependentFunctionTemplateSpecializationInfo(Templates, 1365af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgs); 1366af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateOrSpecialization = Info; 1367af2094e7cecadf36667deb61a83587ffdd979bd3John McCall} 1368af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1369af2094e7cecadf36667deb61a83587ffdd979bd3John McCallDependentFunctionTemplateSpecializationInfo:: 1370af2094e7cecadf36667deb61a83587ffdd979bd3John McCallDependentFunctionTemplateSpecializationInfo(const UnresolvedSetImpl &Ts, 1371af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const TemplateArgumentListInfo &TArgs) 1372af2094e7cecadf36667deb61a83587ffdd979bd3John McCall : AngleLocs(TArgs.getLAngleLoc(), TArgs.getRAngleLoc()) { 1373af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1374af2094e7cecadf36667deb61a83587ffdd979bd3John McCall d.NumTemplates = Ts.size(); 1375af2094e7cecadf36667deb61a83587ffdd979bd3John McCall d.NumArgs = TArgs.size(); 1376af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1377af2094e7cecadf36667deb61a83587ffdd979bd3John McCall FunctionTemplateDecl **TsArray = 1378af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const_cast<FunctionTemplateDecl**>(getTemplates()); 1379af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = Ts.size(); I != E; ++I) 1380af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TsArray[I] = cast<FunctionTemplateDecl>(Ts[I]->getUnderlyingDecl()); 1381af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1382af2094e7cecadf36667deb61a83587ffdd979bd3John McCall TemplateArgumentLoc *ArgsArray = 1383af2094e7cecadf36667deb61a83587ffdd979bd3John McCall const_cast<TemplateArgumentLoc*>(getTemplateArgs()); 1384af2094e7cecadf36667deb61a83587ffdd979bd3John McCall for (unsigned I = 0, E = TArgs.size(); I != E; ++I) 1385af2094e7cecadf36667deb61a83587ffdd979bd3John McCall new (&ArgsArray[I]) TemplateArgumentLoc(TArgs[I]); 1386af2094e7cecadf36667deb61a83587ffdd979bd3John McCall} 1387af2094e7cecadf36667deb61a83587ffdd979bd3John McCall 1388d0e3daf2b980b505e535d35b432c938c6d0208efDouglas GregorTemplateSpecializationKind FunctionDecl::getTemplateSpecializationKind() const { 13891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // For a function template specialization, query the specialization 1390d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // information object. 13912db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor FunctionTemplateSpecializationInfo *FTSInfo 13921fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor = TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>(); 13932db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (FTSInfo) 13942db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return FTSInfo->getTemplateSpecializationKind(); 1395d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor 13962db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MemberSpecializationInfo *MSInfo 13972db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>(); 13982db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (MSInfo) 13992db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return MSInfo->getTemplateSpecializationKind(); 14002db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 14012db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return TSK_Undeclared; 14021fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor} 14031fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor 14041eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 14050a897e32a09d290aa5b375444fe33928e47168bbDouglas GregorFunctionDecl::setTemplateSpecializationKind(TemplateSpecializationKind TSK, 14060a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor SourceLocation PointOfInstantiation) { 14072db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (FunctionTemplateSpecializationInfo *FTSInfo 14082db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = TemplateOrSpecialization.dyn_cast< 14090a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FunctionTemplateSpecializationInfo*>()) { 14102db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor FTSInfo->setTemplateSpecializationKind(TSK); 14110a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 14120a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 14130a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FTSInfo->getPointOfInstantiation().isInvalid()) 14140a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FTSInfo->setPointOfInstantiation(PointOfInstantiation); 14150a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor } else if (MemberSpecializationInfo *MSInfo 14160a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>()) { 14172db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MSInfo->setTemplateSpecializationKind(TSK); 14180a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 14190a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 14200a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSInfo->getPointOfInstantiation().isInvalid()) 14210a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSInfo->setPointOfInstantiation(PointOfInstantiation); 14220a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor } else 14232db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor assert(false && "Function cannot have a template specialization kind"); 14241fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor} 14251fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor 14260a897e32a09d290aa5b375444fe33928e47168bbDouglas GregorSourceLocation FunctionDecl::getPointOfInstantiation() const { 14270a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (FunctionTemplateSpecializationInfo *FTSInfo 14280a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast< 14290a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FunctionTemplateSpecializationInfo*>()) 14300a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return FTSInfo->getPointOfInstantiation(); 14310a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor else if (MemberSpecializationInfo *MSInfo 14320a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>()) 14330a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return MSInfo->getPointOfInstantiation(); 14340a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor 14350a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return SourceLocation(); 14360a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor} 14370a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor 14389f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregorbool FunctionDecl::isOutOfLine() const { 14399f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (Decl::isOutOfLine()) 14409f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return true; 14419f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 14429f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // If this function was instantiated from a member function of a 14439f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // class template, check whether that member function was defined out-of-line. 14449f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (FunctionDecl *FD = getInstantiatedFromMemberFunction()) { 14459f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor const FunctionDecl *Definition; 14469f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (FD->getBody(Definition)) 14479f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return Definition->isOutOfLine(); 14489f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor } 14499f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 14509f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // If this function was instantiated from a function template, 14519f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // check whether that function template was defined out-of-line. 14529f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (FunctionTemplateDecl *FunTmpl = getPrimaryTemplate()) { 14539f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor const FunctionDecl *Definition; 14549f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (FunTmpl->getTemplatedDecl()->getBody(Definition)) 14559f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return Definition->isOutOfLine(); 14569f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor } 14579f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 14589f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return false; 14599f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor} 14609f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 14618a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 14627783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// FieldDecl Implementation 14637783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 14647783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 14657783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFieldDecl *FieldDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, 14667783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl IdentifierInfo *Id, QualType T, 14677783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl TypeSourceInfo *TInfo, Expr *BW, bool Mutable) { 14687783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) FieldDecl(Decl::Field, DC, L, Id, T, TInfo, BW, Mutable); 14697783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 14707783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 14717783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlbool FieldDecl::isAnonymousStructOrUnion() const { 14727783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (!isImplicit() || getDeclName()) 14737783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 14747783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 14757783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const RecordType *Record = getType()->getAs<RecordType>()) 14767783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Record->getDecl()->isAnonymousStructOrUnion(); 14777783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 14787783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 14797783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 14807783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 14817783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 1482bcbffc46f1ad3796c4582fa1e3a9113b5aa26061Douglas Gregor// TagDecl Implementation 14834b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek//===----------------------------------------------------------------------===// 14844b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 1485b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCallvoid TagDecl::Destroy(ASTContext &C) { 1486b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (hasExtInfo()) 1487b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall C.Deallocate(getExtInfo()); 1488b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TypeDecl::Destroy(C); 1489b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 1490b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 1491f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios KyrtzidisSourceRange TagDecl::getSourceRange() const { 1492f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis SourceLocation E = RBraceLoc.isValid() ? RBraceLoc : getLocation(); 1493741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor return SourceRange(TagKeywordLoc, E); 1494f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis} 1495f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis 1496b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios KyrtzidisTagDecl* TagDecl::getCanonicalDecl() { 14978e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return getFirstDeclaration(); 1498b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios Kyrtzidis} 1499b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios Kyrtzidis 150060e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregorvoid TagDecl::setTypedefForAnonDecl(TypedefDecl *TDD) { 150160e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor TypedefDeclOrQualifier = TDD; 150260e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor if (TypeForDecl) 150360e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor TypeForDecl->ClearLinkageCache(); 150460e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor} 150560e7064d78f1a29cf969f255a19a9ae25e6bc128Douglas Gregor 15060b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregorvoid TagDecl::startDefinition() { 15078e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor if (TagType *TagT = const_cast<TagType *>(TypeForDecl->getAs<TagType>())) { 15088e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor TagT->decl.setPointer(this); 15098e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor TagT->decl.setInt(1); 15109ffce2182e4fe72052d620698d272207f494b1cfDouglas Gregor } else if (InjectedClassNameType *Injected 15119ffce2182e4fe72052d620698d272207f494b1cfDouglas Gregor = const_cast<InjectedClassNameType *>( 15129ffce2182e4fe72052d620698d272207f494b1cfDouglas Gregor TypeForDecl->getAs<InjectedClassNameType>())) { 15139ffce2182e4fe72052d620698d272207f494b1cfDouglas Gregor Injected->Decl = cast<CXXRecordDecl>(this); 15148e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor } 151586ff308724171494395a840fd2efbe25e62f352eJohn McCall 151686ff308724171494395a840fd2efbe25e62f352eJohn McCall if (isa<CXXRecordDecl>(this)) { 151786ff308724171494395a840fd2efbe25e62f352eJohn McCall CXXRecordDecl *D = cast<CXXRecordDecl>(this); 151886ff308724171494395a840fd2efbe25e62f352eJohn McCall struct CXXRecordDecl::DefinitionData *Data = 151986ff308724171494395a840fd2efbe25e62f352eJohn McCall new (getASTContext()) struct CXXRecordDecl::DefinitionData(D); 15202243288c4826905b5a0837f6f21d9d821688652eJohn McCall for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) 15212243288c4826905b5a0837f6f21d9d821688652eJohn McCall cast<CXXRecordDecl>(*I)->DefinitionData = Data; 152286ff308724171494395a840fd2efbe25e62f352eJohn McCall } 15230b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor} 15240b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 15250b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregorvoid TagDecl::completeDefinition() { 15265cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall assert((!isa<CXXRecordDecl>(this) || 15275cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall cast<CXXRecordDecl>(this)->hasDefinition()) && 15285cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall "definition completed but not started"); 15295cfa011e61e14e6f2e1659047d809706c0e4c6a3John McCall 15300b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor IsDefinition = true; 15318e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor if (TagType *TagT = const_cast<TagType *>(TypeForDecl->getAs<TagType>())) { 15328e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor assert(TagT->decl.getPointer() == this && 15338e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor "Attempt to redefine a tag definition?"); 15348e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor TagT->decl.setInt(0); 15359ffce2182e4fe72052d620698d272207f494b1cfDouglas Gregor } else if (InjectedClassNameType *Injected 15369ffce2182e4fe72052d620698d272207f494b1cfDouglas Gregor = const_cast<InjectedClassNameType *>( 15379ffce2182e4fe72052d620698d272207f494b1cfDouglas Gregor TypeForDecl->getAs<InjectedClassNameType>())) { 15389ffce2182e4fe72052d620698d272207f494b1cfDouglas Gregor assert(Injected->Decl == this && 15399ffce2182e4fe72052d620698d272207f494b1cfDouglas Gregor "Attempt to redefine a class template definition?"); 1540a8426972609c908b529ab26c69c35586d8bc06a8Chandler Carruth (void)Injected; 15418e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor } 15420b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor} 15430b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 1544952b017601f9c82b51119c3a1600f1312a833db9Douglas GregorTagDecl* TagDecl::getDefinition() const { 15458e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor if (isDefinition()) 15468e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return const_cast<TagDecl *>(this); 15471eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (redecl_iterator R = redecls_begin(), REnd = redecls_end(); 15498e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor R != REnd; ++R) 15508e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor if (R->isDefinition()) 15518e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return *R; 15521eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 15538e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return 0; 15544b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek} 15554b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 1556b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCallvoid TagDecl::setQualifierInfo(NestedNameSpecifier *Qualifier, 1557b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall SourceRange QualifierRange) { 1558b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (Qualifier) { 1559b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Make sure the extended qualifier info is allocated. 1560b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (!hasExtInfo()) 1561b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TypedefDeclOrQualifier = new (getASTContext()) ExtInfo; 1562b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Set qualifier info. 1563b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getExtInfo()->NNS = Qualifier; 1564b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getExtInfo()->NNSRange = QualifierRange; 1565b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 1566b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall else { 1567b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall // Here Qualifier == 0, i.e., we are removing the qualifier (if any). 1568b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall assert(QualifierRange.isInvalid()); 1569b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall if (hasExtInfo()) { 1570b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall getASTContext().Deallocate(getExtInfo()); 1571b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TypedefDeclOrQualifier = (TypedefDecl*) 0; 1572b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 1573b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall } 1574b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall} 1575b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall 15764b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek//===----------------------------------------------------------------------===// 15777783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// EnumDecl Implementation 15787783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 15797783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15807783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlEnumDecl *EnumDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, 15817783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl IdentifierInfo *Id, SourceLocation TKL, 15827783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl EnumDecl *PrevDecl) { 15837783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl EnumDecl *Enum = new (C) EnumDecl(DC, L, Id, PrevDecl, TKL); 15847783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl C.getTypeDeclType(Enum, PrevDecl); 15857783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Enum; 15867783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 15877783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15887783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlvoid EnumDecl::Destroy(ASTContext& C) { 1589b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall TagDecl::Destroy(C); 15907783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 15917783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 1592838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid EnumDecl::completeDefinition(QualType NewType, 15931b5a618c59025898806160ed5e7f0ff5bb79e482John McCall QualType NewPromotionType, 15941b5a618c59025898806160ed5e7f0ff5bb79e482John McCall unsigned NumPositiveBits, 15951b5a618c59025898806160ed5e7f0ff5bb79e482John McCall unsigned NumNegativeBits) { 15967783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!isDefinition() && "Cannot redefine enums!"); 15977783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl IntegerType = NewType; 15987783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl PromotionType = NewPromotionType; 15991b5a618c59025898806160ed5e7f0ff5bb79e482John McCall setNumPositiveBits(NumPositiveBits); 16001b5a618c59025898806160ed5e7f0ff5bb79e482John McCall setNumNegativeBits(NumNegativeBits); 16017783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl TagDecl::completeDefinition(); 16027783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 16037783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 16047783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 16058a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner// RecordDecl Implementation 16068a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 16075f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 160835bc0821c4f80041724cd4c5c4889b2581546a41Argyrios KyrtzidisRecordDecl::RecordDecl(Kind DK, TagKind TK, DeclContext *DC, SourceLocation L, 16098e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor IdentifierInfo *Id, RecordDecl *PrevDecl, 16108e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor SourceLocation TKL) 16118e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor : TagDecl(DK, TK, DC, L, Id, PrevDecl, TKL) { 16126359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek HasFlexibleArrayMember = false; 1613bcbffc46f1ad3796c4582fa1e3a9113b5aa26061Douglas Gregor AnonymousStructOrUnion = false; 1614082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian HasObjectMember = false; 16156359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek assert(classof(static_cast<Decl*>(this)) && "Invalid Kind!"); 16166359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek} 16176359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek 16186359792ca92e7ca2f416cb804c6604358174e994Ted KremenekRecordDecl *RecordDecl::Create(ASTContext &C, TagKind TK, DeclContext *DC, 16194b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek SourceLocation L, IdentifierInfo *Id, 1620741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor SourceLocation TKL, RecordDecl* PrevDecl) { 16211eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16228e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor RecordDecl* R = new (C) RecordDecl(Record, TK, DC, L, Id, PrevDecl, TKL); 16234b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek C.getTypeDeclType(R, PrevDecl); 16244b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek return R; 16256359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek} 16266359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek 1627997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios KyrtzidisRecordDecl::~RecordDecl() { 1628997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios Kyrtzidis} 1629997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios Kyrtzidis 1630997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios Kyrtzidisvoid RecordDecl::Destroy(ASTContext& C) { 1631997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios Kyrtzidis TagDecl::Destroy(C); 1632997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios Kyrtzidis} 1633997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios Kyrtzidis 1634c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregorbool RecordDecl::isInjectedClassName() const { 16351eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return isImplicit() && getDeclName() && getDeclContext()->isRecord() && 1636c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor cast<RecordDecl>(getDeclContext())->getDeclName() == getDeclName(); 1637c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor} 1638c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor 163944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor/// completeDefinition - Notes that the definition of this type is now 164044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor/// complete. 1641838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid RecordDecl::completeDefinition() { 16425f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isDefinition() && "Cannot redefine record!"); 16430b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor TagDecl::completeDefinition(); 16445f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 16455f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 1646bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCallValueDecl *RecordDecl::getAnonymousStructOrUnionObject() { 1647bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall // Force the decl chain to come into existence properly. 1648bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall if (!getNextDeclInContext()) getParent()->decls_begin(); 1649bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall 1650bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall assert(isAnonymousStructOrUnion()); 1651bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall ValueDecl *D = cast<ValueDecl>(getNextDeclInContext()); 1652bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall assert(D->getType()->isRecordType()); 1653bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall assert(D->getType()->getAs<RecordType>()->getDecl() == this); 1654bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall return D; 1655bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall} 1656bc365c53606ab90537576cb48d93a54ce3fb0cb5John McCall 165756ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff//===----------------------------------------------------------------------===// 165856ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff// BlockDecl Implementation 165956ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff//===----------------------------------------------------------------------===// 166056ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 166156ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve NaroffBlockDecl::~BlockDecl() { 166256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff} 166356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 166456ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroffvoid BlockDecl::Destroy(ASTContext& C) { 166556ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff if (Body) 166656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff Body->Destroy(C); 166756ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 166856ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff for (param_iterator I=param_begin(), E=param_end(); I!=E; ++I) 166956ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff (*I)->Destroy(C); 16701eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 16711eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump C.Deallocate(ParamInfo); 167256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff Decl::Destroy(C); 167356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff} 1674e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff 1675838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregorvoid BlockDecl::setParams(ParmVarDecl **NewParamInfo, 1676e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff unsigned NParms) { 1677e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff assert(ParamInfo == 0 && "Already has param info!"); 16781eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1679e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff // Zero params -> null pointer. 1680e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff if (NParms) { 1681e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff NumParams = NParms; 1682838db383b69b9fb55f55c8e9546477df198a4faaDouglas Gregor void *Mem = getASTContext().Allocate(sizeof(ParmVarDecl*)*NumParams); 1683e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff ParamInfo = new (Mem) ParmVarDecl*[NumParams]; 1684e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff memcpy(ParamInfo, NewParamInfo, sizeof(ParmVarDecl*)*NumParams); 1685e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff } 1686e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff} 1687e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff 1688e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroffunsigned BlockDecl::getNumParams() const { 1689e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff return NumParams; 1690e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff} 16917783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 16927783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 16937783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 16947783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// Other Decl Allocation/Deallocation Method Implementations 16957783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 16967783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 16977783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlTranslationUnitDecl *TranslationUnitDecl::Create(ASTContext &C) { 16987783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) TranslationUnitDecl(C); 16997783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 17007783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17017783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlNamespaceDecl *NamespaceDecl::Create(ASTContext &C, DeclContext *DC, 17027783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, IdentifierInfo *Id) { 17037783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) NamespaceDecl(DC, L, Id); 17047783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 17057783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17067783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlvoid NamespaceDecl::Destroy(ASTContext& C) { 17077783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl // NamespaceDecl uses "NextDeclarator" to chain namespace declarations 17087783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl // together. They are all top-level Decls. 17097783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17107783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl this->~NamespaceDecl(); 1711b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall Decl::Destroy(C); 17127783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 17137783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17147783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17157783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlImplicitParamDecl *ImplicitParamDecl::Create(ASTContext &C, DeclContext *DC, 17167783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, IdentifierInfo *Id, QualType T) { 17177783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) ImplicitParamDecl(ImplicitParam, DC, L, Id, T); 17187783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 17197783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17207783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl *FunctionDecl::Create(ASTContext &C, DeclContext *DC, 17217783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, 17227783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl DeclarationName N, QualType T, 17237783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl TypeSourceInfo *TInfo, 172416573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor StorageClass S, StorageClass SCAsWritten, 172516573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor bool isInline, bool hasWrittenPrototype) { 172616573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor FunctionDecl *New = new (C) FunctionDecl(Function, DC, L, N, T, TInfo, 172716573fa9705b546b7597c273b25b85d6321e2b33Douglas Gregor S, SCAsWritten, isInline); 17287783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl New->HasWrittenPrototype = hasWrittenPrototype; 17297783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return New; 17307783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 17317783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17327783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlBlockDecl *BlockDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L) { 17337783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) BlockDecl(DC, L); 17347783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 17357783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17367783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlEnumConstantDecl *EnumConstantDecl::Create(ASTContext &C, EnumDecl *CD, 17377783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, 17387783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl IdentifierInfo *Id, QualType T, 17397783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Expr *E, const llvm::APSInt &V) { 17407783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) EnumConstantDecl(CD, L, Id, T, E, V); 17417783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 17427783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17437783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlvoid EnumConstantDecl::Destroy(ASTContext& C) { 17447783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (Init) Init->Destroy(C); 1745b6217665c6a987f2d6c8665fd70365d7719ac4dfJohn McCall ValueDecl::Destroy(C); 17467783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 17477783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17487783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlTypedefDecl *TypedefDecl::Create(ASTContext &C, DeclContext *DC, 17497783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, IdentifierInfo *Id, 17507783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl TypeSourceInfo *TInfo) { 17517783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) TypedefDecl(DC, L, Id, TInfo); 17527783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 17537783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17547783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// Anchor TypedefDecl's vtable here. 17557783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlTypedefDecl::~TypedefDecl() {} 17567783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 17577783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFileScopeAsmDecl *FileScopeAsmDecl::Create(ASTContext &C, DeclContext *DC, 17587783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, 17597783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl StringLiteral *Str) { 17607783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) FileScopeAsmDecl(DC, L, Str); 17617783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 1762