Decl.cpp revision 082d936a5b8323ac2c04558d8bca277a647831a3
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" 176c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner#include "clang/AST/ASTContext.h" 18e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/AST/Stmt.h" 1999f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes#include "clang/AST/Expr.h" 20e91593ef084479340582b2ba177b44be50a717b7Daniel Dunbar#include "clang/Basic/IdentifierTable.h" 2147b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor#include <vector> 2227f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 235f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 245f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 250b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattnervoid Attr::Destroy(ASTContext &C) { 260b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner if (Next) { 270b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner Next->Destroy(C); 280b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner Next = 0; 290b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner } 300b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner this->~Attr(); 310b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner C.Deallocate((void*)this); 320b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner} 330b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner 340b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner 35d3b9065ec7052ec4741783d2fb4130d13c766933Chris Lattner//===----------------------------------------------------------------------===// 366c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner// Decl Allocation/Deallocation Method Implementations 376c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner//===----------------------------------------------------------------------===// 382d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 390b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner 40ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios KyrtzidisTranslationUnitDecl *TranslationUnitDecl::Create(ASTContext &C) { 413e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff return new (C) TranslationUnitDecl(); 42ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis} 43ef177820100ab583b08fd3056e2a5a52ee4b1629Argyrios Kyrtzidis 442d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios KyrtzidisNamespaceDecl *NamespaceDecl::Create(ASTContext &C, DeclContext *DC, 452d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis SourceLocation L, IdentifierInfo *Id) { 463e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff return new (C) NamespaceDecl(DC, L, Id); 472d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis} 482d1c5d313cd0c229cc614e74baa4c5756a4b46f4Argyrios Kyrtzidis 49d1ac17ae7d61a9244ee5e658d6f63b8fa3da3127Ted Kremenekvoid NamespaceDecl::Destroy(ASTContext& C) { 50d1ac17ae7d61a9244ee5e658d6f63b8fa3da3127Ted Kremenek // NamespaceDecl uses "NextDeclarator" to chain namespace declarations 51d1ac17ae7d61a9244ee5e658d6f63b8fa3da3127Ted Kremenek // together. They are all top-level Decls. 52d1ac17ae7d61a9244ee5e658d6f63b8fa3da3127Ted Kremenek 53ebf27b1831e6c4d7f4bc30e111a4d6340ff690d1Ted Kremenek this->~NamespaceDecl(); 543e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff C.Deallocate((void *)this); 55d1ac17ae7d61a9244ee5e658d6f63b8fa3da3127Ted Kremenek} 56d1ac17ae7d61a9244ee5e658d6f63b8fa3da3127Ted Kremenek 57d1ac17ae7d61a9244ee5e658d6f63b8fa3da3127Ted Kremenek 584111024be81e7c0525e42dadcc126d27e5bf2425Chris LattnerImplicitParamDecl *ImplicitParamDecl::Create(ASTContext &C, DeclContext *DC, 594afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor SourceLocation L, IdentifierInfo *Id, QualType T) { 603e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff return new (C) ImplicitParamDecl(ImplicitParam, DC, L, Id, T); 614111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner} 624111024be81e7c0525e42dadcc126d27e5bf2425Chris Lattner 639fdf9c6d3530bb85f3166e6460d841e2ff8e1a2cChris LattnerParmVarDecl *ParmVarDecl::Create(ASTContext &C, DeclContext *DC, 640ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner SourceLocation L, IdentifierInfo *Id, 650ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner QualType T, StorageClass S, 664afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor Expr *DefArg) { 673e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff return new (C) ParmVarDecl(ParmVar, DC, L, Id, T, S, DefArg); 684306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian} 694306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian 704306d3cb9116605728252e2738df24b9f6ab53c3Fariborz JahanianQualType ParmVarDecl::getOriginalType() const { 7164650af7cc4352c6c67b9bd1bf8ef3ce7471b910Douglas Gregor if (const OriginalParmVarDecl *PVD = 7264650af7cc4352c6c67b9bd1bf8ef3ce7471b910Douglas Gregor dyn_cast<OriginalParmVarDecl>(this)) 734306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian return PVD->OriginalType; 744306d3cb9116605728252e2738df24b9f6ab53c3Fariborz Jahanian return getType(); 759e151e154780e9cd443336143af1e996d1f387e5Chris Lattner} 769e151e154780e9cd443336143af1e996d1f387e5Chris Lattner 776393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregorbool VarDecl::isExternC(ASTContext &Context) const { 786393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (!Context.getLangOptions().CPlusPlus) 796393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor return (getDeclContext()->isTranslationUnit() && 806393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor getStorageClass() != Static) || 816393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor (getDeclContext()->isFunctionOrMethod() && hasExternalStorage()); 826393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 836393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor for (const DeclContext *DC = getDeclContext(); !DC->isTranslationUnit(); 846393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor DC = DC->getParent()) { 856393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) { 866393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (Linkage->getLanguage() == LinkageSpecDecl::lang_c) 876393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor return getStorageClass() != Static; 886393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 896393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor break; 906393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor } 916393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 926393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (DC->isFunctionOrMethod()) 936393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor return false; 946393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor } 956393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 966393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor return false; 976393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor} 986393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 9964650af7cc4352c6c67b9bd1bf8ef3ce7471b910Douglas GregorOriginalParmVarDecl *OriginalParmVarDecl::Create( 10073da9e462576faedc2cdf96b37a1c072b404b73dFariborz Jahanian ASTContext &C, DeclContext *DC, 10173da9e462576faedc2cdf96b37a1c072b404b73dFariborz Jahanian SourceLocation L, IdentifierInfo *Id, 10273da9e462576faedc2cdf96b37a1c072b404b73dFariborz Jahanian QualType T, QualType OT, StorageClass S, 1034afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor Expr *DefArg) { 10464650af7cc4352c6c67b9bd1bf8ef3ce7471b910Douglas Gregor return new (C) OriginalParmVarDecl(DC, L, Id, T, OT, S, DefArg); 10573da9e462576faedc2cdf96b37a1c072b404b73dFariborz Jahanian} 10673da9e462576faedc2cdf96b37a1c072b404b73dFariborz Jahanian 1079fdf9c6d3530bb85f3166e6460d841e2ff8e1a2cChris LattnerFunctionDecl *FunctionDecl::Create(ASTContext &C, DeclContext *DC, 1080ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner SourceLocation L, 10910bd36882406cdf4805e35add1ce2f11ab9ae152Douglas Gregor DeclarationName N, QualType T, 110a98e58ddb4696a0020fe97439d5295413f9e90b1Chris Lattner StorageClass S, bool isInline, 1112224f84658fb9b3725a31f2680edb64ae73bf705Douglas Gregor bool hasPrototype, 1120eb07bfde0deedcb35cf3d118b3488f5d8db32ecSteve Naroff SourceLocation TypeSpecStartLoc) { 1132224f84658fb9b3725a31f2680edb64ae73bf705Douglas Gregor FunctionDecl *New 1142224f84658fb9b3725a31f2680edb64ae73bf705Douglas Gregor = new (C) FunctionDecl(Function, DC, L, N, T, S, isInline, 1152224f84658fb9b3725a31f2680edb64ae73bf705Douglas Gregor TypeSpecStartLoc); 1162224f84658fb9b3725a31f2680edb64ae73bf705Douglas Gregor New->HasPrototype = hasPrototype; 1172224f84658fb9b3725a31f2680edb64ae73bf705Douglas Gregor return New; 118a98e58ddb4696a0020fe97439d5295413f9e90b1Chris Lattner} 119a98e58ddb4696a0020fe97439d5295413f9e90b1Chris Lattner 120090276f5e164d491a1bb3f541bafdb394f5e6f04Steve NaroffBlockDecl *BlockDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L) { 1213e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff return new (C) BlockDecl(DC, L); 12256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff} 12356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 12444b4321feab46299d3f5cfd404680884752a0fcfDouglas GregorFieldDecl *FieldDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, 12544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor IdentifierInfo *Id, QualType T, Expr *BW, 1264afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor bool Mutable) { 1273e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff return new (C) FieldDecl(Decl::Field, DC, L, Id, T, BW, Mutable); 1288e25d8681822d8094bfeb97b2239363552548171Chris Lattner} 1298e25d8681822d8094bfeb97b2239363552548171Chris Lattner 1306b3945f4bc757bdadd3e443180cf32c2cccb52a0Douglas Gregorbool FieldDecl::isAnonymousStructOrUnion() const { 1316b3945f4bc757bdadd3e443180cf32c2cccb52a0Douglas Gregor if (!isImplicit() || getDeclName()) 1326b3945f4bc757bdadd3e443180cf32c2cccb52a0Douglas Gregor return false; 1336b3945f4bc757bdadd3e443180cf32c2cccb52a0Douglas Gregor 1346b3945f4bc757bdadd3e443180cf32c2cccb52a0Douglas Gregor if (const RecordType *Record = getType()->getAsRecordType()) 1356b3945f4bc757bdadd3e443180cf32c2cccb52a0Douglas Gregor return Record->getDecl()->isAnonymousStructOrUnion(); 1366b3945f4bc757bdadd3e443180cf32c2cccb52a0Douglas Gregor 1376b3945f4bc757bdadd3e443180cf32c2cccb52a0Douglas Gregor return false; 1386b3945f4bc757bdadd3e443180cf32c2cccb52a0Douglas Gregor} 139a98e58ddb4696a0020fe97439d5295413f9e90b1Chris Lattner 1400ed844b04ea4387caa4e1cf3dc375d269657536bChris LattnerEnumConstantDecl *EnumConstantDecl::Create(ASTContext &C, EnumDecl *CD, 1410ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner SourceLocation L, 142c63e660882ff93841fa234d70ef6757038302b92Chris Lattner IdentifierInfo *Id, QualType T, 1434afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor Expr *E, const llvm::APSInt &V) { 1443e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff return new (C) EnumConstantDecl(CD, L, Id, T, E, V); 1456c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner} 1466c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner 147d1ac17ae7d61a9244ee5e658d6f63b8fa3da3127Ted Kremenekvoid EnumConstantDecl::Destroy(ASTContext& C) { 148d1ac17ae7d61a9244ee5e658d6f63b8fa3da3127Ted Kremenek if (Init) Init->Destroy(C); 149d1ac17ae7d61a9244ee5e658d6f63b8fa3da3127Ted Kremenek Decl::Destroy(C); 150d1ac17ae7d61a9244ee5e658d6f63b8fa3da3127Ted Kremenek} 151d1ac17ae7d61a9244ee5e658d6f63b8fa3da3127Ted Kremenek 1529fdf9c6d3530bb85f3166e6460d841e2ff8e1a2cChris LattnerTypedefDecl *TypedefDecl::Create(ASTContext &C, DeclContext *DC, 1530ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner SourceLocation L, 1544afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor IdentifierInfo *Id, QualType T) { 1553e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff return new (C) TypedefDecl(DC, L, Id, T); 1566c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner} 1576c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner 1589fdf9c6d3530bb85f3166e6460d841e2ff8e1a2cChris LattnerEnumDecl *EnumDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, 1590ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner IdentifierInfo *Id, 1607df7b6bb800e1987951285ea192e4f347e1b603aDouglas Gregor EnumDecl *PrevDecl) { 161c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff EnumDecl *Enum = new (C) EnumDecl(DC, L, Id); 1627df7b6bb800e1987951285ea192e4f347e1b603aDouglas Gregor C.getTypeDeclType(Enum, PrevDecl); 1637df7b6bb800e1987951285ea192e4f347e1b603aDouglas Gregor return Enum; 1646c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner} 1656c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner 166df91eca19bd9738abd9a3b84791f39750e27ad36Ted Kremenekvoid EnumDecl::Destroy(ASTContext& C) { 167df91eca19bd9738abd9a3b84791f39750e27ad36Ted Kremenek Decl::Destroy(C); 168df91eca19bd9738abd9a3b84791f39750e27ad36Ted Kremenek} 169df91eca19bd9738abd9a3b84791f39750e27ad36Ted Kremenek 17044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregorvoid EnumDecl::completeDefinition(ASTContext &C, QualType NewType) { 17144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor assert(!isDefinition() && "Cannot redefine enums!"); 17244b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor IntegerType = NewType; 1730b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor TagDecl::completeDefinition(); 17444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor} 17544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor 1764afa39deaa245592977136d367251ee2c173dd8dDouglas GregorFileScopeAsmDecl *FileScopeAsmDecl::Create(ASTContext &C, DeclContext *DC, 1770ed844b04ea4387caa4e1cf3dc375d269657536bChris Lattner SourceLocation L, 1788e25d8681822d8094bfeb97b2239363552548171Chris Lattner StringLiteral *Str) { 1793e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff return new (C) FileScopeAsmDecl(DC, L, Str); 1808e25d8681822d8094bfeb97b2239363552548171Chris Lattner} 1818e25d8681822d8094bfeb97b2239363552548171Chris Lattner 1826c2b6eb8d836da19007f7540709e16d5e39a1cbaChris Lattner//===----------------------------------------------------------------------===// 1834afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor// NamedDecl Implementation 1845239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis//===----------------------------------------------------------------------===// 1855239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis 18647b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregorstd::string NamedDecl::getQualifiedNameAsString() const { 18747b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor std::vector<std::string> Names; 18847b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor std::string QualName; 18947b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor const DeclContext *Ctx = getDeclContext(); 19047b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 19147b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor if (Ctx->isFunctionOrMethod()) 19247b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor return getNameAsString(); 19347b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 19447b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor while (Ctx) { 19547b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor if (Ctx->isFunctionOrMethod()) 19647b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor // FIXME: That probably will happen, when D was member of local 19747b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor // scope class/struct/union. How do we handle this case? 19847b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor break; 19947b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 20047b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor if (const NamedDecl *ND = dyn_cast<NamedDecl>(Ctx)) 20147b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor Names.push_back(ND->getNameAsString()); 20247b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor else 20347b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor break; 20447b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 20547b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor Ctx = Ctx->getParent(); 20647b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor } 20747b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 20847b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor std::vector<std::string>::reverse_iterator 20947b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor I = Names.rbegin(), 21047b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor End = Names.rend(); 21147b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 21247b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor for (; I!=End; ++I) 21347b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor QualName += *I + "::"; 21447b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 21547b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor QualName += getNameAsString(); 21647b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 21747b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor return QualName; 21847b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor} 21947b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 22047b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 2214afa39deaa245592977136d367251ee2c173dd8dDouglas Gregorbool NamedDecl::declarationReplaces(NamedDecl *OldD) const { 2226ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor assert(getDeclName() == OldD->getDeclName() && "Declaration name mismatch"); 2236ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 2242a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor // UsingDirectiveDecl's are not really NamedDecl's, and all have same name. 2252a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor // We want to keep it, unless it nominates same namespace. 2262a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor if (getKind() == Decl::UsingDirective) { 2272a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor return cast<UsingDirectiveDecl>(this)->getNominatedNamespace() == 2282a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor cast<UsingDirectiveDecl>(OldD)->getNominatedNamespace(); 2292a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor } 2302a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor 2316ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(this)) 2326ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // For function declarations, we keep track of redeclarations. 2336ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor return FD->getPreviousDeclaration() == OldD; 2346ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 2350de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff // For method declarations, we keep track of redeclarations. 2360de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff if (isa<ObjCMethodDecl>(this)) 2370de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff return false; 2380de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff 2396ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // For non-function declarations, if the declarations are of the 2406ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // same kind then this must be a redeclaration, or semantic analysis 2416ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // would not have given us the new declaration. 2426ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor return this->getKind() == OldD->getKind(); 2436ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor} 2446ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 245d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregorbool NamedDecl::hasLinkage() const { 246d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregor if (const VarDecl *VD = dyn_cast<VarDecl>(this)) 247d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregor return VD->hasExternalStorage() || VD->isFileVarDecl(); 248d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregor 249d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregor if (isa<FunctionDecl>(this) && !isa<CXXMethodDecl>(this)) 250d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregor return true; 251d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregor 252d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregor return false; 253d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregor} 2544afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor 2555239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis//===----------------------------------------------------------------------===// 25699f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes// VarDecl Implementation 25799f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes//===----------------------------------------------------------------------===// 25899f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 2594afa39deaa245592977136d367251ee2c173dd8dDouglas GregorVarDecl *VarDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, 2604afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor IdentifierInfo *Id, QualType T, StorageClass S, 26199f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes SourceLocation TypeSpecStartLoc) { 2623e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff return new (C) VarDecl(Var, DC, L, Id, T, S, TypeSpecStartLoc); 26399f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes} 26499f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 26599f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopesvoid VarDecl::Destroy(ASTContext& C) { 266df2d3cf2be8b91e1e21234ff5a3aa4f820e7001aSebastian Redl Expr *Init = getInit(); 267df2d3cf2be8b91e1e21234ff5a3aa4f820e7001aSebastian Redl if (Init) 268df2d3cf2be8b91e1e21234ff5a3aa4f820e7001aSebastian Redl Init->Destroy(C); 26999f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes this->~VarDecl(); 2703e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff C.Deallocate((void *)this); 27199f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes} 27299f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 27399f06ba988922ea721035a89e6d3c66ba100ba8aNuno LopesVarDecl::~VarDecl() { 27499f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes} 27599f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 276275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregorbool VarDecl::isTentativeDefinition(ASTContext &Context) const { 277275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor if (!isFileVarDecl() || Context.getLangOptions().CPlusPlus) 278275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor return false; 279275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 280275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor return (!getInit() && 281275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor (getStorageClass() == None || getStorageClass() == Static)); 282275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor} 283275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 284082d936a5b8323ac2c04558d8bca277a647831a3Ted Kremenekconst Expr *VarDecl::getDefinition(const VarDecl *&Def) const { 285275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor Def = this; 286275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor while (Def && !Def->getInit()) 287275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor Def = Def->getPreviousDeclaration(); 288275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 289275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor return Def? Def->getInit() : 0; 290275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor} 291275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 29299f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes//===----------------------------------------------------------------------===// 2938a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner// FunctionDecl Implementation 2948a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 2958a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner 29627f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenekvoid FunctionDecl::Destroy(ASTContext& C) { 297b65cf41707d190d5ce3d48b9e5bd2dc9d7b4a4c0Ted Kremenek if (Body) 298b65cf41707d190d5ce3d48b9e5bd2dc9d7b4a4c0Ted Kremenek Body->Destroy(C); 299b65cf41707d190d5ce3d48b9e5bd2dc9d7b4a4c0Ted Kremenek 300b65cf41707d190d5ce3d48b9e5bd2dc9d7b4a4c0Ted Kremenek for (param_iterator I=param_begin(), E=param_end(); I!=E; ++I) 301b65cf41707d190d5ce3d48b9e5bd2dc9d7b4a4c0Ted Kremenek (*I)->Destroy(C); 302460b0ac80382fa73337d21dd052c1f18b27435d8Nuno Lopes 3033e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff C.Deallocate(ParamInfo); 304460b0ac80382fa73337d21dd052c1f18b27435d8Nuno Lopes 30527f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek Decl::Destroy(C); 30627f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek} 30727f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 30827f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 309eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted KremenekCompoundStmt *FunctionDecl::getBody(const FunctionDecl *&Definition) const { 310f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor for (const FunctionDecl *FD = this; FD != 0; FD = FD->PreviousDeclaration) { 311f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor if (FD->Body) { 312f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor Definition = FD; 313eaab20669b6a9910a5deb0110fdd8f7581d86a36Ted Kremenek return cast<CompoundStmt>(FD->Body); 314f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor } 315f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor } 316f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor 317f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor return 0; 3185f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3195f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 32004495c859f81e440748a9b86baa2913461652bb0Douglas Gregorbool FunctionDecl::isMain() const { 32104495c859f81e440748a9b86baa2913461652bb0Douglas Gregor return getDeclContext()->getLookupContext()->isTranslationUnit() && 32204495c859f81e440748a9b86baa2913461652bb0Douglas Gregor getIdentifier() && getIdentifier()->isStr("main"); 32304495c859f81e440748a9b86baa2913461652bb0Douglas Gregor} 32404495c859f81e440748a9b86baa2913461652bb0Douglas Gregor 3256393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregorbool FunctionDecl::isExternC(ASTContext &Context) const { 3266393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor // In C, any non-static, non-overloadable function has external 3276393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor // linkage. 3286393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (!Context.getLangOptions().CPlusPlus) 3296393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor return getStorageClass() != Static && !getAttr<OverloadableAttr>(); 3306393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 3316393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor for (const DeclContext *DC = getDeclContext(); !DC->isTranslationUnit(); 3326393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor DC = DC->getParent()) { 3336393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) { 3346393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (Linkage->getLanguage() == LinkageSpecDecl::lang_c) 3356393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor return getStorageClass() != Static && !getAttr<OverloadableAttr>(); 3366393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 3376393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor break; 3386393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor } 3396393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor } 3406393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 3416393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor return false; 3426393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor} 3436393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 3443e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// \brief Returns a value indicating whether this function 3453e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// corresponds to a builtin function. 3463e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// 3473e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// The function corresponds to a built-in function if it is 3483e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// declared at translation scope or within an extern "C" block and 3493e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// its name matches with the name of a builtin. The returned value 3503e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// will be 0 for functions that do not correspond to a builtin, a 3513e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// value of type \c Builtin::ID if in the target-independent range 3523e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// \c [1,Builtin::First), or a target-specific builtin value. 3533c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregorunsigned FunctionDecl::getBuiltinID(ASTContext &Context) const { 3543c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!getIdentifier() || !getIdentifier()->getBuiltinID()) 3553c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return 0; 3563c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 3573c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor unsigned BuiltinID = getIdentifier()->getBuiltinID(); 3583c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!Context.BuiltinInfo.isPredefinedLibFunction(BuiltinID)) 3593c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 3603c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 3613c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // This function has the name of a known C library 3623c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // function. Determine whether it actually refers to the C library 3633c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // function or whether it just has the same name. 3643c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 3659add31798f621f843233dbff8bba103fca64447bDouglas Gregor // If this is a static function, it's not a builtin. 3669add31798f621f843233dbff8bba103fca64447bDouglas Gregor if (getStorageClass() == Static) 3679add31798f621f843233dbff8bba103fca64447bDouglas Gregor return 0; 3689add31798f621f843233dbff8bba103fca64447bDouglas Gregor 3693c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // If this function is at translation-unit scope and we're not in 3703c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // C++, it refers to the C library function. 3713c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 3723c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor getDeclContext()->isTranslationUnit()) 3733c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 3743c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 3753c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // If the function is in an extern "C" linkage specification and is 3763c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // not marked "overloadable", it's the real function. 3773c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (isa<LinkageSpecDecl>(getDeclContext()) && 3783c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor cast<LinkageSpecDecl>(getDeclContext())->getLanguage() 3793c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor == LinkageSpecDecl::lang_c && 3803c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor !getAttr<OverloadableAttr>()) 3813c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 3823c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 3833c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // Not a builtin 3843e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor return 0; 3853e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor} 3863e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor 3873e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor 3884f03fd61ee45245dd3a1552a023e730d56c2e697Ted Kremenek// Helper function for FunctionDecl::getNumParams and FunctionDecl::setParams() 3894f03fd61ee45245dd3a1552a023e730d56c2e697Ted Kremenekstatic unsigned getNumTypeParams(QualType T) { 3904f03fd61ee45245dd3a1552a023e730d56c2e697Ted Kremenek const FunctionType *FT = T->getAsFunctionType(); 39172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor if (isa<FunctionNoProtoType>(FT)) 392d3b9065ec7052ec4741783d2fb4130d13c766933Chris Lattner return 0; 39372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return cast<FunctionProtoType>(FT)->getNumArgs(); 3945f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 3955f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 3964f03fd61ee45245dd3a1552a023e730d56c2e697Ted Kremenekunsigned FunctionDecl::getNumParams() const { 3974f03fd61ee45245dd3a1552a023e730d56c2e697Ted Kremenek // Can happen if a FunctionDecl is declared using typeof(some_other_func) bar; 3984f03fd61ee45245dd3a1552a023e730d56c2e697Ted Kremenek if (!ParamInfo) 3994f03fd61ee45245dd3a1552a023e730d56c2e697Ted Kremenek return 0; 4004f03fd61ee45245dd3a1552a023e730d56c2e697Ted Kremenek 4014f03fd61ee45245dd3a1552a023e730d56c2e697Ted Kremenek return getNumTypeParams(getType()); 4024f03fd61ee45245dd3a1552a023e730d56c2e697Ted Kremenek} 4034f03fd61ee45245dd3a1552a023e730d56c2e697Ted Kremenek 404fc767615bc67d3a7587b1fb2e0494c32c9dbd7a5Ted Kremenekvoid FunctionDecl::setParams(ASTContext& C, ParmVarDecl **NewParamInfo, 405fc767615bc67d3a7587b1fb2e0494c32c9dbd7a5Ted Kremenek unsigned NumParams) { 4065f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(ParamInfo == 0 && "Already has param info!"); 4074f03fd61ee45245dd3a1552a023e730d56c2e697Ted Kremenek assert(NumParams == getNumTypeParams(getType()) && 4084f03fd61ee45245dd3a1552a023e730d56c2e697Ted Kremenek "Parameter count mismatch!"); 4095f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4105f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Zero params -> null pointer. 4115f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (NumParams) { 412c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void *Mem = C.Allocate(sizeof(ParmVarDecl*)*NumParams); 413fc767615bc67d3a7587b1fb2e0494c32c9dbd7a5Ted Kremenek ParamInfo = new (Mem) ParmVarDecl*[NumParams]; 4145f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer memcpy(ParamInfo, NewParamInfo, sizeof(ParmVarDecl*)*NumParams); 4155f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 4165f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 4175f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 4188123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// getMinRequiredArguments - Returns the minimum number of arguments 4198123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// needed to call this function. This may be fewer than the number of 4208123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// function parameters, if some of the parameters have default 4219e979557eea3875c9e3d100c68188233dd7f46c0Chris Lattner/// arguments (in C++). 4228123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattnerunsigned FunctionDecl::getMinRequiredArguments() const { 4238123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner unsigned NumRequiredArgs = getNumParams(); 4248123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner while (NumRequiredArgs > 0 4258123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner && getParamDecl(NumRequiredArgs-1)->getDefaultArg()) 4268123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner --NumRequiredArgs; 4278123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner 4288123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner return NumRequiredArgs; 4298123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner} 4308123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner 4311cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// getOverloadedOperator - Which C++ overloaded operator this 4321cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// function represents, if any. 4331cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas GregorOverloadedOperatorKind FunctionDecl::getOverloadedOperator() const { 434e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor if (getDeclName().getNameKind() == DeclarationName::CXXOperatorName) 435e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return getDeclName().getCXXOverloadedOperator(); 4361cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor else 4371cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor return OO_None; 4381cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor} 4391cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 4408a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 441bcbffc46f1ad3796c4582fa1e3a9113b5aa26061Douglas Gregor// TagDecl Implementation 4424b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek//===----------------------------------------------------------------------===// 4434b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 4440b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregorvoid TagDecl::startDefinition() { 445fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor TagType *TagT = const_cast<TagType *>(TypeForDecl->getAsTagType()); 446fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor TagT->decl.setPointer(this); 447fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor TagT->getAsTagType()->decl.setInt(1); 4480b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor} 4490b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 4500b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregorvoid TagDecl::completeDefinition() { 4510b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor assert((!TypeForDecl || 452fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor TypeForDecl->getAsTagType()->decl.getPointer() == this) && 4530b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor "Attempt to redefine a tag definition?"); 4540b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor IsDefinition = true; 455fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor TagType *TagT = const_cast<TagType *>(TypeForDecl->getAsTagType()); 456fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor TagT->decl.setPointer(this); 457fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor TagT->decl.setInt(0); 4580b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor} 4590b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 4604b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed KremenekTagDecl* TagDecl::getDefinition(ASTContext& C) const { 4614b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek QualType T = C.getTypeDeclType(const_cast<TagDecl*>(this)); 462fc705b84347e6fb4746a1a7e26949f64c2f2f358Douglas Gregor TagDecl* D = cast<TagDecl>(T->getAsTagType()->getDecl()); 4634b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek return D->isDefinition() ? D : 0; 4644b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek} 4654b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 4664b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek//===----------------------------------------------------------------------===// 4678a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner// RecordDecl Implementation 4688a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 4695f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 47035bc0821c4f80041724cd4c5c4889b2581546a41Argyrios KyrtzidisRecordDecl::RecordDecl(Kind DK, TagKind TK, DeclContext *DC, SourceLocation L, 471df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek IdentifierInfo *Id) 4724afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor : TagDecl(DK, TK, DC, L, Id) { 4736359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek HasFlexibleArrayMember = false; 474bcbffc46f1ad3796c4582fa1e3a9113b5aa26061Douglas Gregor AnonymousStructOrUnion = false; 4756359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek assert(classof(static_cast<Decl*>(this)) && "Invalid Kind!"); 4766359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek} 4776359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek 4786359792ca92e7ca2f416cb804c6604358174e994Ted KremenekRecordDecl *RecordDecl::Create(ASTContext &C, TagKind TK, DeclContext *DC, 4794b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek SourceLocation L, IdentifierInfo *Id, 4804b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek RecordDecl* PrevDecl) { 481df042e6c2bf06b2d9ed53c52469599ac1bd93a3fTed Kremenek 4823e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff RecordDecl* R = new (C) RecordDecl(Record, TK, DC, L, Id); 4834b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek C.getTypeDeclType(R, PrevDecl); 4844b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek return R; 4856359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek} 4866359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek 487997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios KyrtzidisRecordDecl::~RecordDecl() { 488997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios Kyrtzidis} 489997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios Kyrtzidis 490997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios Kyrtzidisvoid RecordDecl::Destroy(ASTContext& C) { 491997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios Kyrtzidis TagDecl::Destroy(C); 492997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios Kyrtzidis} 493997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios Kyrtzidis 49444b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor/// completeDefinition - Notes that the definition of this type is now 49544b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor/// complete. 49644b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregorvoid RecordDecl::completeDefinition(ASTContext& C) { 4975f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isDefinition() && "Cannot redefine record!"); 4980b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor TagDecl::completeDefinition(); 4995f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 5005f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 50156ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff//===----------------------------------------------------------------------===// 50256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff// BlockDecl Implementation 50356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff//===----------------------------------------------------------------------===// 50456ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 50556ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve NaroffBlockDecl::~BlockDecl() { 50656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff} 50756ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 50856ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroffvoid BlockDecl::Destroy(ASTContext& C) { 50956ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff if (Body) 51056ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff Body->Destroy(C); 51156ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 51256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff for (param_iterator I=param_begin(), E=param_end(); I!=E; ++I) 51356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff (*I)->Destroy(C); 514879d27ad4670716c7cea7f86274f6096f6868fe1Ted Kremenek 515879d27ad4670716c7cea7f86274f6096f6868fe1Ted Kremenek C.Deallocate(ParamInfo); 51656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff Decl::Destroy(C); 51756ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff} 518e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff 519e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroffvoid BlockDecl::setParams(ASTContext& C, ParmVarDecl **NewParamInfo, 520e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff unsigned NParms) { 521e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff assert(ParamInfo == 0 && "Already has param info!"); 522e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff 523e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff // Zero params -> null pointer. 524e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff if (NParms) { 525e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff NumParams = NParms; 526e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff void *Mem = C.Allocate(sizeof(ParmVarDecl*)*NumParams); 527e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff ParamInfo = new (Mem) ParmVarDecl*[NumParams]; 528e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff memcpy(ParamInfo, NewParamInfo, sizeof(ParmVarDecl*)*NumParams); 529e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff } 530e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff} 531e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff 532e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroffunsigned BlockDecl::getNumParams() const { 533e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff return NumParams; 534e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff} 535