Decl.cpp revision 0b6bc8bd7a1d2a7d7478d13d78cff94cacad61fc
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" 26f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall#include "clang/Parse/DeclSpec.h" 27f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall#include "llvm/Support/ErrorHandling.h" 2847b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor#include <vector> 2927f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 305f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencerusing namespace clang; 315f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 320b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattnervoid Attr::Destroy(ASTContext &C) { 330b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner if (Next) { 340b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner Next->Destroy(C); 350b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner Next = 0; 360b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner } 370b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner this->~Attr(); 380b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner C.Deallocate((void*)this); 390b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner} 400b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner 41b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis/// \brief Return the TypeLoc wrapper for the type source info. 42a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCallTypeLoc TypeSourceInfo::getTypeLoc() const { 43b735471f3848065120d7210e557b5f0d37ed4c43Argyrios Kyrtzidis return TypeLoc(Ty, (void*)(this + 1)); 44b17166c8077cd900cca83a895c43b30ea6660598Argyrios Kyrtzidis} 450b2b6e1cb1573bb295c0a65813dc4df8d57f305bChris Lattner 46d3b9065ec7052ec4741783d2fb4130d13c766933Chris Lattner//===----------------------------------------------------------------------===// 474afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor// NamedDecl Implementation 485239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis//===----------------------------------------------------------------------===// 495239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis 500b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// \brief Get the most restrictive linkage for the types in the given 510b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// template parameter list. 520b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregorstatic Linkage 530b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas GregorgetLinkageForTemplateParameterList(const TemplateParameterList *Params) { 540b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor Linkage L = ExternalLinkage; 550b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor for (TemplateParameterList::const_iterator P = Params->begin(), 560b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor PEnd = Params->end(); 570b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor P != PEnd; ++P) { 580b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(*P)) 590b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (!NTTP->getType()->isDependentType()) { 600b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor L = minLinkage(L, NTTP->getType()->getLinkage()); 610b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor continue; 620b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 630b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 640b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (TemplateTemplateParmDecl *TTP 650b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor = dyn_cast<TemplateTemplateParmDecl>(*P)) { 660b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor L = minLinkage(L, 670b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor getLinkageForTemplateParameterList(TTP->getTemplateParameters())); 680b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 690b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 700b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 710b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return L; 720b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor} 730b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 740b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// \brief Get the most restrictive linkage for the types and 750b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor/// declarations in the given template argument list. 760b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregorstatic Linkage getLinkageForTemplateArgumentList(const TemplateArgument *Args, 770b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor unsigned NumArgs) { 780b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor Linkage L = ExternalLinkage; 790b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 800b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor for (unsigned I = 0; I != NumArgs; ++I) { 810b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor switch (Args[I].getKind()) { 820b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Null: 830b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Integral: 840b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Expression: 850b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 860b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 870b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Type: 880b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor L = minLinkage(L, Args[I].getAsType()->getLinkage()); 890b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 900b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 910b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Declaration: 920b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (NamedDecl *ND = dyn_cast<NamedDecl>(Args[I].getAsDecl())) 930b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor L = minLinkage(L, ND->getLinkage()); 940b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (ValueDecl *VD = dyn_cast<ValueDecl>(Args[I].getAsDecl())) 950b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor L = minLinkage(L, VD->getType()->getLinkage()); 960b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 970b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 980b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Template: 990b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (TemplateDecl *Template 1000b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor = Args[I].getAsTemplate().getAsTemplateDecl()) 1010b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor L = minLinkage(L, Template->getLinkage()); 1020b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1030b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1040b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor case TemplateArgument::Pack: 1050b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor L = minLinkage(L, 1060b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor getLinkageForTemplateArgumentList(Args[I].pack_begin(), 1070b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor Args[I].pack_size())); 1080b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor break; 1090b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 1100b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 1110b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1120b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return L; 1130b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor} 1140b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 1150b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregorstatic Linkage getLinkageForNamespaceScopeDecl(const NamedDecl *D) { 116d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor assert(D->getDeclContext()->getLookupContext()->isFileContext() && 117d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor "Not a name having namespace scope"); 118d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor ASTContext &Context = D->getASTContext(); 119d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 120d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p3: 121d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // A name having namespace scope (3.3.6) has internal linkage if it 122d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is the name of 123d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object, reference, function or function template that is 124d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // explicitly declared static; or, 125d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // (This bullet corresponds to C99 6.2.2p3.) 126d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *Var = dyn_cast<VarDecl>(D)) { 127d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Explicitly declared static. 128d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Var->getStorageClass() == VarDecl::Static) 1290b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return InternalLinkage; 130d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 131d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object or reference that is explicitly declared const 132d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // and neither explicitly declared extern nor previously 133d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // declared to have external linkage; or 134d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // (there is no equivalent in C99) 135d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Context.getLangOptions().CPlusPlus && 136e9d6554ba78fb81e810fdaec9b2c98ab96526e83Eli Friedman Var->getType().isConstant(Context) && 137d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Var->getStorageClass() != VarDecl::Extern && 138d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Var->getStorageClass() != VarDecl::PrivateExtern) { 139d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor bool FoundExtern = false; 140d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor for (const VarDecl *PrevVar = Var->getPreviousDeclaration(); 141d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor PrevVar && !FoundExtern; 142d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor PrevVar = PrevVar->getPreviousDeclaration()) 1430b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (isExternalLinkage(PrevVar->getLinkage())) 144d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor FoundExtern = true; 145d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 146d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!FoundExtern) 1470b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return InternalLinkage; 148d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 149d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } else if (isa<FunctionDecl>(D) || isa<FunctionTemplateDecl>(D)) { 1500b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // C++ [temp]p4: 1510b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // A non-member function template can have internal linkage; any 1520b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // other template name shall have external linkage. 153d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor const FunctionDecl *Function = 0; 154d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const FunctionTemplateDecl *FunTmpl 155d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor = dyn_cast<FunctionTemplateDecl>(D)) 156d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Function = FunTmpl->getTemplatedDecl(); 157d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor else 158d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Function = cast<FunctionDecl>(D); 159d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 160d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Explicitly declared static. 161d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Function->getStorageClass() == FunctionDecl::Static) 1620b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return InternalLinkage; 163d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } else if (const FieldDecl *Field = dyn_cast<FieldDecl>(D)) { 164d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a data member of an anonymous union. 165d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (cast<RecordDecl>(Field->getDeclContext())->isAnonymousStructOrUnion()) 1660b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return InternalLinkage; 167d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 168d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 169d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p4: 170d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 171d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // A name having namespace scope has external linkage if it is the 172d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // name of 173d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // 174d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an object or reference, unless it has internal linkage; or 175d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *Var = dyn_cast<VarDecl>(D)) { 176d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 177d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor (Var->getStorageClass() == VarDecl::Extern || 178d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Var->getStorageClass() == VarDecl::PrivateExtern)) { 179d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p4: 180d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // For an identifier declared with the storage-class specifier 181d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern in a scope in which a prior declaration of that 182d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // identifier is visible, if the prior declaration specifies 183d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal or external linkage, the linkage of the identifier 184d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // at the later declaration is the same as the linkage 185d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // specified at the prior declaration. If no prior declaration 186d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is visible, or if the prior declaration specifies no 187d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage, then the identifier has external linkage. 188d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *PrevVar = Var->getPreviousDeclaration()) { 1890b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Linkage L = PrevVar->getLinkage()) 190d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return L; 191d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 192d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 193d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 194d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p5: 195d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // If the declaration of an identifier for an object has file 196d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // scope and no storage-class specifier, its linkage is 197d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // external. 1980b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Var->isInAnonymousNamespace()) 1990b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return UniqueExternalLinkage; 2000b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 2010b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return ExternalLinkage; 202d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 203d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 204d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a function, unless it has internal linkage; or 205d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(D)) { 206d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p5: 207d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // If the declaration of an identifier for a function has no 208d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // storage-class specifier, its linkage is determined exactly 209d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // as if it were declared with the storage-class specifier 210d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern. 211d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 212d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor (Function->getStorageClass() == FunctionDecl::Extern || 213d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Function->getStorageClass() == FunctionDecl::PrivateExtern || 214d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Function->getStorageClass() == FunctionDecl::None)) { 215d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C99 6.2.2p4: 216d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // For an identifier declared with the storage-class specifier 217d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // extern in a scope in which a prior declaration of that 218d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // identifier is visible, if the prior declaration specifies 219d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal or external linkage, the linkage of the identifier 220d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // at the later declaration is the same as the linkage 221d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // specified at the prior declaration. If no prior declaration 222d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // is visible, or if the prior declaration specifies no 223d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage, then the identifier has external linkage. 224d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const FunctionDecl *PrevFunc = Function->getPreviousDeclaration()) { 2250b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Linkage L = PrevFunc->getLinkage()) 226d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return L; 227d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 228d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 229d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 2300b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Function->isInAnonymousNamespace()) 2310b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return UniqueExternalLinkage; 2320b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 2330b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (FunctionTemplateSpecializationInfo *SpecInfo 2340b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor = Function->getTemplateSpecializationInfo()) { 2350b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor Linkage L = SpecInfo->getTemplate()->getLinkage(); 2360b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor const TemplateArgumentList &TemplateArgs = *SpecInfo->TemplateArguments; 2370b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor L = minLinkage(L, 2380b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor getLinkageForTemplateArgumentList( 2390b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor TemplateArgs.getFlatArgumentList(), 2400b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor TemplateArgs.flat_size())); 2410b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return L; 2420b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 2430b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 2440b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return ExternalLinkage; 245d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 246d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 247d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a named class (Clause 9), or an unnamed class defined in a 248d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // typedef declaration in which the class has the typedef name 249d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // for linkage purposes (7.1.3); or 250d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a named enumeration (7.2), or an unnamed enumeration 251d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // defined in a typedef declaration in which the enumeration 252d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // has the typedef name for linkage purposes (7.1.3); or 253d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const TagDecl *Tag = dyn_cast<TagDecl>(D)) 2540b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Tag->getDeclName() || Tag->getTypedefForAnonDecl()) { 2550b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Tag->isInAnonymousNamespace()) 2560b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return UniqueExternalLinkage; 2570b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 2580b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // If this is a class template specialization, consider the 2590b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor // linkage of the template and template arguments. 2600b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (const ClassTemplateSpecializationDecl *Spec 2610b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor = dyn_cast<ClassTemplateSpecializationDecl>(Tag)) { 2620b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 2630b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor Linkage L = getLinkageForTemplateArgumentList( 2640b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor TemplateArgs.getFlatArgumentList(), 2650b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor TemplateArgs.flat_size()); 2660b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return minLinkage(L, Spec->getSpecializedTemplate()->getLinkage()); 2670b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 2680b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 2690b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return ExternalLinkage; 2700b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 271d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 272d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - an enumerator belonging to an enumeration with external linkage; 2730b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (isa<EnumConstantDecl>(D)) { 2740b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor Linkage L = cast<NamedDecl>(D->getDeclContext())->getLinkage(); 2750b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (isExternalLinkage(L)) 2760b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return L; 2770b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 278d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 279d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a template, unless it is a function template that has 280d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // internal linkage (Clause 14); 2810b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (const TemplateDecl *Template = dyn_cast<TemplateDecl>(D)) { 2820b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (D->isInAnonymousNamespace()) 2830b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return UniqueExternalLinkage; 2840b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 2850b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return getLinkageForTemplateParameterList( 2860b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor Template->getTemplateParameters()); 2870b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 288d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 289d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // - a namespace (7.3), unless it is declared within an unnamed 290d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // namespace. 291d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (isa<NamespaceDecl>(D) && !D->isInAnonymousNamespace()) 2920b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return ExternalLinkage; 293d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 2940b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return NoLinkage; 295d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor} 296d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 2970b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas GregorLinkage NamedDecl::getLinkage() const { 298d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Handle linkage for namespace-scope names. 299d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (getDeclContext()->getLookupContext()->isFileContext()) 300d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Linkage L = getLinkageForNamespaceScopeDecl(this)) 301d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return L; 302d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 303d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p5: 304d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // In addition, a member function, static data member, a named 305d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // class or enumeration of class scope, or an unnamed class or 306d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // enumeration defined in a class-scope typedef declaration such 307d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // that the class or enumeration has the typedef name for linkage 308d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // purposes (7.1.3), has external linkage if the name of the class 309d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // has external linkage. 310d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (getDeclContext()->isRecord() && 311d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor (isa<CXXMethodDecl>(this) || isa<VarDecl>(this) || 312d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor (isa<TagDecl>(this) && 3130b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor (getDeclName() || cast<TagDecl>(this)->getTypedefForAnonDecl())))) { 3140b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor Linkage L = cast<RecordDecl>(getDeclContext())->getLinkage(); 3150b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (isExternalLinkage(L)) 3160b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return L; 3170b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 318d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 319d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p6: 320d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // The name of a function declared in block scope and the name of 321d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // an object declared by a block scope extern declaration have 322d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage. If there is a visible declaration of an entity with 323d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // linkage having the same name and type, ignoring entities 324d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // declared outside the innermost enclosing namespace scope, the 325d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // block scope declaration declares that same entity and receives 326d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // the linkage of the previous declaration. If there is more than 327d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // one such matching entity, the program is ill-formed. Otherwise, 328d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // if no matching entity is found, the block scope entity receives 329d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // external linkage. 330d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (getLexicalDeclContext()->isFunctionOrMethod()) { 331d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const FunctionDecl *Function = dyn_cast<FunctionDecl>(this)) { 332d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Function->getPreviousDeclaration()) 333d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Linkage L = Function->getPreviousDeclaration()->getLinkage()) 334d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return L; 335d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 3360b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Function->isInAnonymousNamespace()) 3370b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return UniqueExternalLinkage; 3380b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 339d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return ExternalLinkage; 340d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 341d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 342d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (const VarDecl *Var = dyn_cast<VarDecl>(this)) 343d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Var->getStorageClass() == VarDecl::Extern || 344d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor Var->getStorageClass() == VarDecl::PrivateExtern) { 345d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Var->getPreviousDeclaration()) 346d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor if (Linkage L = Var->getPreviousDeclaration()->getLinkage()) 347d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return L; 348d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 3490b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor if (Var->isInAnonymousNamespace()) 3500b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor return UniqueExternalLinkage; 3510b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor 352d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return ExternalLinkage; 353d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 354d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor } 355d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 356d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // C++ [basic.link]p6: 357d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor // Names not covered by these rules have no linkage. 358d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return NoLinkage; 3590b6bc8bd7a1d2a7d7478d13d78cff94cacad61fcDouglas Gregor } 360d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor 36147b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregorstd::string NamedDecl::getQualifiedNameAsString() const { 3623a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson return getQualifiedNameAsString(getASTContext().getLangOptions()); 3633a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson} 3643a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson 3653a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlssonstd::string NamedDecl::getQualifiedNameAsString(const PrintingPolicy &P) const { 366e013d685c6689ac7ae103ee88acf573422d1ed6aDaniel Dunbar // FIXME: Collect contexts, then accumulate names to avoid unnecessary 367e013d685c6689ac7ae103ee88acf573422d1ed6aDaniel Dunbar // std::string thrashing. 36847b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor std::vector<std::string> Names; 36947b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor std::string QualName; 37047b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor const DeclContext *Ctx = getDeclContext(); 37147b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 37247b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor if (Ctx->isFunctionOrMethod()) 37347b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor return getNameAsString(); 37447b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 37547b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor while (Ctx) { 3761eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (const ClassTemplateSpecializationDecl *Spec 377f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor = dyn_cast<ClassTemplateSpecializationDecl>(Ctx)) { 378f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs(); 379f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor std::string TemplateArgsStr 380f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor = TemplateSpecializationType::PrintTemplateArgumentList( 381f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor TemplateArgs.getFlatArgumentList(), 382d249e1d1f1498b81314459ceda19d6ff25c278adDouglas Gregor TemplateArgs.flat_size(), 3833a082d81006e7a2e01a6e431a22e21c78490ff8fAnders Carlsson P); 384e013d685c6689ac7ae103ee88acf573422d1ed6aDaniel Dunbar Names.push_back(Spec->getIdentifier()->getNameStart() + TemplateArgsStr); 3856be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig } else if (const NamespaceDecl *ND = dyn_cast<NamespaceDecl>(Ctx)) { 3866be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig if (ND->isAnonymousNamespace()) 3876be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig Names.push_back("<anonymous namespace>"); 3886be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig else 3896be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig Names.push_back(ND->getNameAsString()); 3906be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig } else if (const RecordDecl *RD = dyn_cast<RecordDecl>(Ctx)) { 3916be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig if (!RD->getIdentifier()) { 3926be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig std::string RecordString = "<anonymous "; 3936be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig RecordString += RD->getKindName(); 3946be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig RecordString += ">"; 3956be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig Names.push_back(RecordString); 3966be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig } else { 3976be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig Names.push_back(RD->getNameAsString()); 3986be112049b24ffaa8508646aa695834b4b5ca2b2Sam Weinig } 3993521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } else if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(Ctx)) { 4003521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig std::string Proto = FD->getNameAsString(); 4013521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig 4023521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig const FunctionProtoType *FT = 0; 4033521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FD->hasWrittenPrototype()) 4043521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig FT = dyn_cast<FunctionProtoType>(FD->getType()->getAs<FunctionType>()); 4053521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig 4063521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig Proto += "("; 4073521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FT) { 4083521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig llvm::raw_string_ostream POut(Proto); 4093521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig unsigned NumParams = FD->getNumParams(); 4103521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig for (unsigned i = 0; i < NumParams; ++i) { 4113521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (i) 4123521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig POut << ", "; 4133521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig std::string Param; 4143521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig FD->getParamDecl(i)->getType().getAsStringInternal(Param, P); 4153521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig POut << Param; 4163521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 4173521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig 4183521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (FT->isVariadic()) { 4193521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig if (NumParams > 0) 4203521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig POut << ", "; 4213521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig POut << "..."; 4223521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 4233521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig } 4243521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig Proto += ")"; 4253521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig 4263521d01aed2f55b66c7ce2ad47541a9974079699Sam Weinig Names.push_back(Proto); 427f3e7ce4bd9837cdab6a096235922865f95467d3dDouglas Gregor } else if (const NamedDecl *ND = dyn_cast<NamedDecl>(Ctx)) 42847b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor Names.push_back(ND->getNameAsString()); 42947b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor else 43047b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor break; 43147b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 43247b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor Ctx = Ctx->getParent(); 43347b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor } 43447b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 43547b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor std::vector<std::string>::reverse_iterator 43647b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor I = Names.rbegin(), 43747b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor End = Names.rend(); 43847b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 43947b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor for (; I!=End; ++I) 44047b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor QualName += *I + "::"; 44147b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 44247b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor QualName += getNameAsString(); 44347b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 44447b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor return QualName; 44547b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor} 44647b9a1ca55e61e37f5a368740e29de190345acc6Douglas Gregor 4474afa39deaa245592977136d367251ee2c173dd8dDouglas Gregorbool NamedDecl::declarationReplaces(NamedDecl *OldD) const { 4486ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor assert(getDeclName() == OldD->getDeclName() && "Declaration name mismatch"); 4496ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 4502a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor // UsingDirectiveDecl's are not really NamedDecl's, and all have same name. 4512a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor // We want to keep it, unless it nominates same namespace. 4522a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor if (getKind() == Decl::UsingDirective) { 4532a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor return cast<UsingDirectiveDecl>(this)->getNominatedNamespace() == 4542a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor cast<UsingDirectiveDecl>(OldD)->getNominatedNamespace(); 4552a3009a432bdcec59e6383d7b2b17494d6f91649Douglas Gregor } 4561eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4576ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(this)) 4586ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // For function declarations, we keep track of redeclarations. 4596ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor return FD->getPreviousDeclaration() == OldD; 4606ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 461e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor // For function templates, the underlying function declarations are linked. 462e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (const FunctionTemplateDecl *FunctionTemplate 463e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor = dyn_cast<FunctionTemplateDecl>(this)) 464e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor if (const FunctionTemplateDecl *OldFunctionTemplate 465e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor = dyn_cast<FunctionTemplateDecl>(OldD)) 466e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor return FunctionTemplate->getTemplatedDecl() 467e53060fa78ad7e98352049f72787bdb7543e2a48Douglas Gregor ->declarationReplaces(OldFunctionTemplate->getTemplatedDecl()); 4681eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 4690de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff // For method declarations, we keep track of redeclarations. 4700de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff if (isa<ObjCMethodDecl>(this)) 4710de21fd85d79bccd32f04256f5b3328ab5ed7c95Steve Naroff return false; 4721eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 473f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall if (isa<ObjCInterfaceDecl>(this) && isa<ObjCCompatibleAliasDecl>(OldD)) 474f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall return true; 475f36e02d4aff98bf2e52e342e0038d4172fbb5e64John McCall 4769488ea120e093068021f944176c3d610dd540914John McCall if (isa<UsingShadowDecl>(this) && isa<UsingShadowDecl>(OldD)) 4779488ea120e093068021f944176c3d610dd540914John McCall return cast<UsingShadowDecl>(this)->getTargetDecl() == 4789488ea120e093068021f944176c3d610dd540914John McCall cast<UsingShadowDecl>(OldD)->getTargetDecl(); 4799488ea120e093068021f944176c3d610dd540914John McCall 4806ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // For non-function declarations, if the declarations are of the 4816ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // same kind then this must be a redeclaration, or semantic analysis 4826ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor // would not have given us the new declaration. 4836ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor return this->getKind() == OldD->getKind(); 4846ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor} 4856ed40e351a7c1fb3084434f1db19216b79623cf0Douglas Gregor 486d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregorbool NamedDecl::hasLinkage() const { 487d85b5b9b8fcf53906d9a61649b3657ca0d902017Douglas Gregor return getLinkage() != NoLinkage; 488d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1eDouglas Gregor} 4894afa39deaa245592977136d367251ee2c173dd8dDouglas Gregor 490e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders CarlssonNamedDecl *NamedDecl::getUnderlyingDecl() { 491e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson NamedDecl *ND = this; 492e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson while (true) { 4939488ea120e093068021f944176c3d610dd540914John McCall if (UsingShadowDecl *UD = dyn_cast<UsingShadowDecl>(ND)) 494e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson ND = UD->getTargetDecl(); 495e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson else if (ObjCCompatibleAliasDecl *AD 496e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson = dyn_cast<ObjCCompatibleAliasDecl>(ND)) 497e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson return AD->getClassInterface(); 498e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson else 499e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson return ND; 500e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson } 501e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson} 502e136e0e1b74760d7ec3ede38e0e739d5c52a3c0aAnders Carlsson 5035239304ff761b8b03eefb772bd5d830a9b9f1aeaArgyrios Kyrtzidis//===----------------------------------------------------------------------===// 504a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis// DeclaratorDecl Implementation 505a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 506a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis 507a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios KyrtzidisSourceLocation DeclaratorDecl::getTypeSpecStartLoc() const { 50851bd803fbdade51d674598ed45da3d54190a656cJohn McCall if (DeclInfo) { 50951bd803fbdade51d674598ed45da3d54190a656cJohn McCall TypeLoc TL = DeclInfo->getTypeLoc(); 51051bd803fbdade51d674598ed45da3d54190a656cJohn McCall while (true) { 51151bd803fbdade51d674598ed45da3d54190a656cJohn McCall TypeLoc NextTL = TL.getNextTypeLoc(); 51251bd803fbdade51d674598ed45da3d54190a656cJohn McCall if (!NextTL) 51351bd803fbdade51d674598ed45da3d54190a656cJohn McCall return TL.getSourceRange().getBegin(); 51451bd803fbdade51d674598ed45da3d54190a656cJohn McCall TL = NextTL; 51551bd803fbdade51d674598ed45da3d54190a656cJohn McCall } 51651bd803fbdade51d674598ed45da3d54190a656cJohn McCall } 517a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis return SourceLocation(); 518a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis} 519a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis 520a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis//===----------------------------------------------------------------------===// 52199f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes// VarDecl Implementation 52299f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes//===----------------------------------------------------------------------===// 52399f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 5247783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlconst char *VarDecl::getStorageClassSpecifierString(StorageClass SC) { 5257783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl switch (SC) { 5267783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl case VarDecl::None: break; 5277783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl case VarDecl::Auto: return "auto"; break; 5287783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl case VarDecl::Extern: return "extern"; break; 5297783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl case VarDecl::PrivateExtern: return "__private_extern__"; break; 5307783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl case VarDecl::Register: return "register"; break; 5317783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl case VarDecl::Static: return "static"; break; 5327783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 5337783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 5347783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(0 && "Invalid storage class"); 5357783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return 0; 5367783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 5377783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 5384afa39deaa245592977136d367251ee2c173dd8dDouglas GregorVarDecl *VarDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, 539a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall IdentifierInfo *Id, QualType T, TypeSourceInfo *TInfo, 540a5d82000f7b173a0a5ce34dc8c09a03f98d9e439Argyrios Kyrtzidis StorageClass S) { 541a93c934af4fbf97cbe8e649d82e68ccacfe57c95John McCall return new (C) VarDecl(Var, DC, L, Id, T, TInfo, S); 54299f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes} 54399f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 54499f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopesvoid VarDecl::Destroy(ASTContext& C) { 545df2d3cf2be8b91e1e21234ff5a3aa4f820e7001aSebastian Redl Expr *Init = getInit(); 54678d1583d0b36b7d6d8d10234cdc19ab94adf765aDouglas Gregor if (Init) { 547df2d3cf2be8b91e1e21234ff5a3aa4f820e7001aSebastian Redl Init->Destroy(C); 54878d1583d0b36b7d6d8d10234cdc19ab94adf765aDouglas Gregor if (EvaluatedStmt *Eval = this->Init.dyn_cast<EvaluatedStmt *>()) { 54978d1583d0b36b7d6d8d10234cdc19ab94adf765aDouglas Gregor Eval->~EvaluatedStmt(); 55078d1583d0b36b7d6d8d10234cdc19ab94adf765aDouglas Gregor C.Deallocate(Eval); 55178d1583d0b36b7d6d8d10234cdc19ab94adf765aDouglas Gregor } 55278d1583d0b36b7d6d8d10234cdc19ab94adf765aDouglas Gregor } 55399f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes this->~VarDecl(); 5543e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff C.Deallocate((void *)this); 55599f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes} 55699f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 55799f06ba988922ea721035a89e6d3c66ba100ba8aNuno LopesVarDecl::~VarDecl() { 55899f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes} 55999f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes 56055d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios KyrtzidisSourceRange VarDecl::getSourceRange() const { 56133e9abd21083a0191a7676a04b497006d2da184dDouglas Gregor SourceLocation Start = getTypeSpecStartLoc(); 56233e9abd21083a0191a7676a04b497006d2da184dDouglas Gregor if (Start.isInvalid()) 56333e9abd21083a0191a7676a04b497006d2da184dDouglas Gregor Start = getLocation(); 56433e9abd21083a0191a7676a04b497006d2da184dDouglas Gregor 56555d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis if (getInit()) 56633e9abd21083a0191a7676a04b497006d2da184dDouglas Gregor return SourceRange(Start, getInit()->getLocEnd()); 56733e9abd21083a0191a7676a04b497006d2da184dDouglas Gregor return SourceRange(Start, getLocation()); 56855d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis} 56955d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis 5707783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlbool VarDecl::isExternC() const { 5717783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl ASTContext &Context = getASTContext(); 5727783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (!Context.getLangOptions().CPlusPlus) 5737783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return (getDeclContext()->isTranslationUnit() && 5747783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl getStorageClass() != Static) || 5757783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl (getDeclContext()->isFunctionOrMethod() && hasExternalStorage()); 5767783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 5777783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl for (const DeclContext *DC = getDeclContext(); !DC->isTranslationUnit(); 5787783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl DC = DC->getParent()) { 5797783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) { 5807783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (Linkage->getLanguage() == LinkageSpecDecl::lang_c) 5817783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getStorageClass() != Static; 5827783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 5837783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl break; 5847783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 5857783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 5867783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (DC->isFunctionOrMethod()) 5877783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 5887783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 5897783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 5907783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 5917783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 5927783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 5937783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlVarDecl *VarDecl::getCanonicalDecl() { 5947783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 5957783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 5967783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 597e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian RedlVarDecl::DefinitionKind VarDecl::isThisDeclarationADefinition() const { 598e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C++ [basic.def]p2: 599e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A declaration is a definition unless [...] it contains the 'extern' 600e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // specifier or a linkage-specification and neither an initializer [...], 601e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // it declares a static data member in a class declaration [...]. 602e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C++ [temp.expl.spec]p15: 603e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // An explicit specialization of a static data member of a template is a 604e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // definition if the declaration includes an initializer; otherwise, it is 605e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // a declaration. 606e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (isStaticDataMember()) { 607e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (isOutOfLine() && (hasInit() || 608e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl getTemplateSpecializationKind() != TSK_ExplicitSpecialization)) 609e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 610e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl else 611e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return DeclarationOnly; 612e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 613e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.7p5: 614e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A definition of an identifier is a declaration for that identifier that 615e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // [...] causes storage to be reserved for that object. 616e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // Note: that applies for all non-file-scope objects. 617e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.9.2p1: 618e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // If the declaration of an identifier for an object has file scope and an 619e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // initializer, the declaration is an external definition for the identifier 620e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (hasInit()) 621e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 622e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // AST for 'extern "C" int foo;' is annotated with 'extern'. 623e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (hasExternalStorage()) 624e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return DeclarationOnly; 625e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 626e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // C99 6.9.2p2: 627e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // A declaration of an object that has file scope without an initializer, 628e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // and without a storage class specifier or the scs 'static', constitutes 629e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // a tentative definition. 630e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // No such thing in C++. 631e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (!getASTContext().getLangOptions().CPlusPlus && isFileVarDecl()) 632e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return TentativeDefinition; 633e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 634e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // What's left is (in C, block-scope) declarations without initializers or 635e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl // external storage. These are definitions. 636e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return Definition; 637e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 638e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 639e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian RedlVarDecl *VarDecl::getActingDefinition() { 640e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl DefinitionKind Kind = isThisDeclarationADefinition(); 641e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind != TentativeDefinition) 642e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return 0; 643e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 644e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl VarDecl *LastTentative = false; 645e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl VarDecl *First = getFirstDeclaration(); 646e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl for (redecl_iterator I = First->redecls_begin(), E = First->redecls_end(); 647e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl I != E; ++I) { 648e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl Kind = (*I)->isThisDeclarationADefinition(); 649e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind == Definition) 650e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return 0; 651e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl else if (Kind == TentativeDefinition) 652e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl LastTentative = *I; 653e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 654e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return LastTentative; 655e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 656e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 657e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redlbool VarDecl::isTentativeDefinitionNow() const { 658e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl DefinitionKind Kind = isThisDeclarationADefinition(); 659e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (Kind != TentativeDefinition) 660e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return false; 661e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 662e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 663e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if ((*I)->isThisDeclarationADefinition() == Definition) 664e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl return false; 665e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl } 66631310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return true; 66731310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl} 66831310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl 66931310a21fb2a9f13950f864f681c86080b05d5b2Sebastian RedlVarDecl *VarDecl::getDefinition() { 670e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl VarDecl *First = getFirstDeclaration(); 671e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl for (redecl_iterator I = First->redecls_begin(), E = First->redecls_end(); 672e2c52d29e483b4167bd5d8e3265c2fb7c38fbcd5Sebastian Redl I != E; ++I) { 67331310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl if ((*I)->isThisDeclarationADefinition() == Definition) 67431310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return *I; 67531310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl } 67631310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl return 0; 677e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl} 678e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl 67931310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redlconst Expr *VarDecl::getAnyInitializer(const VarDecl *&D) const { 6807783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl redecl_iterator I = redecls_begin(), E = redecls_end(); 6817783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl while (I != E && !I->getInit()) 6827783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl ++I; 6837783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 6847783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (I != E) { 68531310a21fb2a9f13950f864f681c86080b05d5b2Sebastian Redl D = *I; 6867783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return I->getInit(); 6877783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 6887783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return 0; 6897783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 6907783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 6911028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregorbool VarDecl::isOutOfLine() const { 6921028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (!isStaticDataMember()) 6931028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return false; 6941028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor 6951028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (Decl::isOutOfLine()) 6961028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return true; 6971028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor 6981028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // If this static data member was instantiated from a static data member of 6991028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // a class template, check whether that static data member was defined 7001028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor // out-of-line. 7011028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor if (VarDecl *VD = getInstantiatedFromStaticDataMember()) 7021028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return VD->isOutOfLine(); 7031028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor 7041028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor return false; 7051028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor} 7061028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas Gregor 7070d03514da06dffb39a260a1228ea3fd01d196fa4Douglas GregorVarDecl *VarDecl::getOutOfLineDefinition() { 7080d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor if (!isStaticDataMember()) 7090d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return 0; 7100d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 7110d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor for (VarDecl::redecl_iterator RD = redecls_begin(), RDEnd = redecls_end(); 7120d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor RD != RDEnd; ++RD) { 7130d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor if (RD->getLexicalDeclContext()->isFileContext()) 7140d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return *RD; 7150d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor } 7160d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 7170d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor return 0; 7180d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor} 7190d03514da06dffb39a260a1228ea3fd01d196fa4Douglas Gregor 7207783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlvoid VarDecl::setInit(ASTContext &C, Expr *I) { 7217783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (EvaluatedStmt *Eval = Init.dyn_cast<EvaluatedStmt *>()) { 7227783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Eval->~EvaluatedStmt(); 7237783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl C.Deallocate(Eval); 7247783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 7257783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 7267783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Init = I; 7277783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 7287783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 7291028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas GregorVarDecl *VarDecl::getInstantiatedFromStaticDataMember() const { 730b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor if (MemberSpecializationInfo *MSI = getMemberSpecializationInfo()) 731251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return cast<VarDecl>(MSI->getInstantiatedFrom()); 732251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 733251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return 0; 734251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor} 735251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 736663b5a0be7261c29bc4c526a71cffcfa02d4153eDouglas GregorTemplateSpecializationKind VarDecl::getTemplateSpecializationKind() const { 737e9d12b6c50c1e9b05443db099e21026c5991a93bSebastian Redl if (MemberSpecializationInfo *MSI = getMemberSpecializationInfo()) 738251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return MSI->getTemplateSpecializationKind(); 739251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 740251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor return TSK_Undeclared; 741251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor} 742251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor 7431028c9f0afc1cc5f4951b39b7067fa57c1fea07bDouglas GregorMemberSpecializationInfo *VarDecl::getMemberSpecializationInfo() const { 744b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor return getASTContext().getInstantiatedFromStaticDataMember(this); 745b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor} 746b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor 7470a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregorvoid VarDecl::setTemplateSpecializationKind(TemplateSpecializationKind TSK, 7480a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor SourceLocation PointOfInstantiation) { 749b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor MemberSpecializationInfo *MSI = getMemberSpecializationInfo(); 750251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor assert(MSI && "Not an instantiated static data member?"); 751251b4ff2578e26959a4c036140ccd61c5e9292f2Douglas Gregor MSI->setTemplateSpecializationKind(TSK); 7520a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 7530a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 7540a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSI->getPointOfInstantiation().isInvalid()) 7550a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSI->setPointOfInstantiation(PointOfInstantiation); 7567caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor} 7577caa6825f42a0f7e97d6fc06233133c42b218e46Douglas Gregor 7587783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 7597783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// ParmVarDecl Implementation 7607783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 761275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 7627783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlParmVarDecl *ParmVarDecl::Create(ASTContext &C, DeclContext *DC, 7637783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, IdentifierInfo *Id, 7647783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl QualType T, TypeSourceInfo *TInfo, 7657783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl StorageClass S, Expr *DefArg) { 7667783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) ParmVarDecl(ParmVar, DC, L, Id, T, TInfo, S, DefArg); 767275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor} 768275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 7697783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlExpr *ParmVarDecl::getDefaultArg() { 7707783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!hasUnparsedDefaultArg() && "Default argument is not yet parsed!"); 7717783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!hasUninstantiatedDefaultArg() && 7727783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl "Default argument is not yet instantiated!"); 7737783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 7747783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Expr *Arg = getInit(); 7757783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (CXXExprWithTemporaries *E = dyn_cast_or_null<CXXExprWithTemporaries>(Arg)) 7767783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getSubExpr(); 7777783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 7787783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Arg; 7797783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 7807783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 7817783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlunsigned ParmVarDecl::getNumDefaultArgTemporaries() const { 7827783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const CXXExprWithTemporaries *E = 7837783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl dyn_cast<CXXExprWithTemporaries>(getInit())) 7847783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getNumTemporaries(); 785275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 786c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis return 0; 787275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor} 788275a369f003f25bd22c00c1c0fc0251c7208caf4Douglas Gregor 7897783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlCXXTemporary *ParmVarDecl::getDefaultArgTemporary(unsigned i) { 7907783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(getNumDefaultArgTemporaries() && 7917783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl "Default arguments does not have any temporaries!"); 7927783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 7937783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl CXXExprWithTemporaries *E = cast<CXXExprWithTemporaries>(getInit()); 7947783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getTemporary(i); 7957783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 7967783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 7977783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlSourceRange ParmVarDecl::getDefaultArgRange() const { 7987783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const Expr *E = getInit()) 7997783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return E->getSourceRange(); 8007783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 8017783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (hasUninstantiatedDefaultArg()) 8027783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getUninstantiatedDefaultArg()->getSourceRange(); 8037783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 8047783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return SourceRange(); 805fc7e2a8fbb08f0f496ac6cea0721fe72db8ce240Argyrios Kyrtzidis} 806fc7e2a8fbb08f0f496ac6cea0721fe72db8ce240Argyrios Kyrtzidis 80799f06ba988922ea721035a89e6d3c66ba100ba8aNuno Lopes//===----------------------------------------------------------------------===// 8088a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner// FunctionDecl Implementation 8098a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 8108a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner 81127f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenekvoid FunctionDecl::Destroy(ASTContext& C) { 812250fc9c859fdeed3f200ae911a7e7ea338f38436Douglas Gregor if (Body && Body.isOffset()) 813250fc9c859fdeed3f200ae911a7e7ea338f38436Douglas Gregor Body.get(C.getExternalSource())->Destroy(C); 814b65cf41707d190d5ce3d48b9e5bd2dc9d7b4a4c0Ted Kremenek 815b65cf41707d190d5ce3d48b9e5bd2dc9d7b4a4c0Ted Kremenek for (param_iterator I=param_begin(), E=param_end(); I!=E; ++I) 816b65cf41707d190d5ce3d48b9e5bd2dc9d7b4a4c0Ted Kremenek (*I)->Destroy(C); 817460b0ac80382fa73337d21dd052c1f18b27435d8Nuno Lopes 8182db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor FunctionTemplateSpecializationInfo *FTSInfo 8192db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>(); 8202db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (FTSInfo) 8212db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor C.Deallocate(FTSInfo); 8222db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 8232db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MemberSpecializationInfo *MSInfo 8242db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>(); 8252db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (MSInfo) 8262db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor C.Deallocate(MSInfo); 8272db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 8283e9704981d7691fdd44913bf1786e8d760d8a627Steve Naroff C.Deallocate(ParamInfo); 829460b0ac80382fa73337d21dd052c1f18b27435d8Nuno Lopes 83027f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek Decl::Destroy(C); 83127f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek} 83227f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 833136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCallvoid FunctionDecl::getNameForDiagnostic(std::string &S, 834136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall const PrintingPolicy &Policy, 835136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall bool Qualified) const { 836136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall NamedDecl::getNameForDiagnostic(S, Policy, Qualified); 837136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall const TemplateArgumentList *TemplateArgs = getTemplateSpecializationArgs(); 838136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall if (TemplateArgs) 839136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall S += TemplateSpecializationType::PrintTemplateArgumentList( 840136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall TemplateArgs->getFlatArgumentList(), 841136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall TemplateArgs->flat_size(), 842136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall Policy); 843136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall 844136a6988960ac3aeb96f298da7a1a182db7217cdJohn McCall} 84527f8a28bee33bb0e857cfe1a61c281bbc234b338Ted Kremenek 8466fb0aee4f9dc261bbec72e1283ad8dc0557a6d96Argyrios KyrtzidisStmt *FunctionDecl::getBody(const FunctionDecl *&Definition) const { 847c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis for (redecl_iterator I = redecls_begin(), E = redecls_end(); I != E; ++I) { 848c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis if (I->Body) { 849c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis Definition = *I; 850c37929c9e0dba89770dc5f0fbcfa0c9046da0b06Argyrios Kyrtzidis return I->Body.get(getASTContext().getExternalSource()); 851f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor } 852f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor } 853f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor 854f009795057dc8ca254f5618c80a0a90f07cd44b4Douglas Gregor return 0; 8555f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 8565f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 85755d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidisvoid FunctionDecl::setBody(Stmt *B) { 85855d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis Body = B; 8591a5364e0fa0482d8d477d6f136d52e503bbe13f4Argyrios Kyrtzidis if (B) 86055d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis EndRangeLoc = B->getLocEnd(); 86155d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis} 86255d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis 86348a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregorbool FunctionDecl::isMain() const { 86448a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregor ASTContext &Context = getASTContext(); 86507a5c22bb6fb0674c95205ae189365bf8e1b695eJohn McCall return !Context.getLangOptions().Freestanding && 86607a5c22bb6fb0674c95205ae189365bf8e1b695eJohn McCall getDeclContext()->getLookupContext()->isTranslationUnit() && 86704495c859f81e440748a9b86baa2913461652bb0Douglas Gregor getIdentifier() && getIdentifier()->isStr("main"); 86804495c859f81e440748a9b86baa2913461652bb0Douglas Gregor} 86904495c859f81e440748a9b86baa2913461652bb0Douglas Gregor 87048a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregorbool FunctionDecl::isExternC() const { 87148a83b5e7ae4051c7c11680ac00c1fa02d610a62Douglas Gregor ASTContext &Context = getASTContext(); 8726393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor // In C, any non-static, non-overloadable function has external 8736393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor // linkage. 8746393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (!Context.getLangOptions().CPlusPlus) 87540b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis return getStorageClass() != Static && !getAttr<OverloadableAttr>(); 8766393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 8771eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (const DeclContext *DC = getDeclContext(); !DC->isTranslationUnit(); 8786393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor DC = DC->getParent()) { 8796393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (const LinkageSpecDecl *Linkage = dyn_cast<LinkageSpecDecl>(DC)) { 8806393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor if (Linkage->getLanguage() == LinkageSpecDecl::lang_c) 8811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return getStorageClass() != Static && 88240b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis !getAttr<OverloadableAttr>(); 8836393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 8846393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor break; 8856393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor } 8866393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor } 8876393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 8886393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor return false; 8896393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor} 8906393519272ce727f4d26e71bbefb5de712274d0eDouglas Gregor 8918499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregorbool FunctionDecl::isGlobal() const { 8928499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (const CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(this)) 8938499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return Method->isStatic(); 8948499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 8958499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (getStorageClass() == Static) 8968499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return false; 8978499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 8981eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (const DeclContext *DC = getDeclContext(); 8998499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor DC->isNamespace(); 9008499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor DC = DC->getParent()) { 9018499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (const NamespaceDecl *Namespace = cast<NamespaceDecl>(DC)) { 9028499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor if (!Namespace->getDeclName()) 9038499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return false; 9048499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor break; 9058499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor } 9068499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor } 9078499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 9088499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor return true; 9098499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor} 9108499f3f5ff8d5f95ece8047780030a3daad1b6faDouglas Gregor 9117783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlvoid 9127783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl::setPreviousDeclaration(FunctionDecl *PrevDecl) { 9137783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl redeclarable_base::setPreviousDeclaration(PrevDecl); 9147783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 9157783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (FunctionTemplateDecl *FunTmpl = getDescribedFunctionTemplate()) { 9167783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl FunctionTemplateDecl *PrevFunTmpl 9177783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl = PrevDecl? PrevDecl->getDescribedFunctionTemplate() : 0; 9187783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert((!PrevDecl || PrevFunTmpl) && "Function/function template mismatch"); 9197783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl FunTmpl->setPreviousDeclaration(PrevFunTmpl); 9207783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl } 9217783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 9227783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 9237783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlconst FunctionDecl *FunctionDecl::getCanonicalDecl() const { 9247783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 9257783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 9267783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 9277783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl *FunctionDecl::getCanonicalDecl() { 9287783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return getFirstDeclaration(); 9297783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 9307783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 9313e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// \brief Returns a value indicating whether this function 9323e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// corresponds to a builtin function. 9333e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// 9343e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// The function corresponds to a built-in function if it is 9353e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// declared at translation scope or within an extern "C" block and 9363e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// its name matches with the name of a builtin. The returned value 9373e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// will be 0 for functions that do not correspond to a builtin, a 9381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump/// value of type \c Builtin::ID if in the target-independent range 9393e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor/// \c [1,Builtin::First), or a target-specific builtin value. 9407814e6d6645d587891293d59ecf6576defcfac92Douglas Gregorunsigned FunctionDecl::getBuiltinID() const { 9417814e6d6645d587891293d59ecf6576defcfac92Douglas Gregor ASTContext &Context = getASTContext(); 9423c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!getIdentifier() || !getIdentifier()->getBuiltinID()) 9433c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return 0; 9443c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 9453c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor unsigned BuiltinID = getIdentifier()->getBuiltinID(); 9463c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!Context.BuiltinInfo.isPredefinedLibFunction(BuiltinID)) 9473c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 9483c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 9493c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // This function has the name of a known C library 9503c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // function. Determine whether it actually refers to the C library 9513c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // function or whether it just has the same name. 9523c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 9539add31798f621f843233dbff8bba103fca64447bDouglas Gregor // If this is a static function, it's not a builtin. 9549add31798f621f843233dbff8bba103fca64447bDouglas Gregor if (getStorageClass() == Static) 9559add31798f621f843233dbff8bba103fca64447bDouglas Gregor return 0; 9569add31798f621f843233dbff8bba103fca64447bDouglas Gregor 9573c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // If this function is at translation-unit scope and we're not in 9583c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // C++, it refers to the C library function. 9593c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (!Context.getLangOptions().CPlusPlus && 9603c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor getDeclContext()->isTranslationUnit()) 9613c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 9623c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 9633c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // If the function is in an extern "C" linkage specification and is 9643c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // not marked "overloadable", it's the real function. 9653c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor if (isa<LinkageSpecDecl>(getDeclContext()) && 9661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump cast<LinkageSpecDecl>(getDeclContext())->getLanguage() 9673c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor == LinkageSpecDecl::lang_c && 96840b598eea1310ec9ed554d56ce3e25b34c585458Argyrios Kyrtzidis !getAttr<OverloadableAttr>()) 9693c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor return BuiltinID; 9703c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor 9713c385e5f8d9008fff18597ca302be19fa86e51f6Douglas Gregor // Not a builtin 9723e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor return 0; 9733e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor} 9743e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor 9753e41d60eb627dc227c770f1c1c87d06909cf05fdDouglas Gregor 9761ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattner/// getNumParams - Return the number of parameters this function must have 9772dbd285f5033ca6dea25babfd1c43d9fec35e7e5Chris Lattner/// based on its FunctionType. This is the length of the PararmInfo array 9781ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattner/// after it has been created. 9791ad9b28e3217c2349a04f3d3bf14f9c73a99afa7Chris Lattnerunsigned FunctionDecl::getNumParams() const { 980183700f494ec9b6701b6efe82bcb25f4c79ba561John McCall const FunctionType *FT = getType()->getAs<FunctionType>(); 98172564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor if (isa<FunctionNoProtoType>(FT)) 982d3b9065ec7052ec4741783d2fb4130d13c766933Chris Lattner return 0; 98372564e73277e29f6db3305d1f27ba408abb7ed88Douglas Gregor return cast<FunctionProtoType>(FT)->getNumArgs(); 9841eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9855f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 9865f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 987fc767615bc67d3a7587b1fb2e0494c32c9dbd7a5Ted Kremenekvoid FunctionDecl::setParams(ASTContext& C, ParmVarDecl **NewParamInfo, 988fc767615bc67d3a7587b1fb2e0494c32c9dbd7a5Ted Kremenek unsigned NumParams) { 9895f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(ParamInfo == 0 && "Already has param info!"); 9902dbd285f5033ca6dea25babfd1c43d9fec35e7e5Chris Lattner assert(NumParams == getNumParams() && "Parameter count mismatch!"); 9911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 9925f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer // Zero params -> null pointer. 9935f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer if (NumParams) { 994c0ac4923f08b25ae973a8ee7942cf3eb89da57b7Steve Naroff void *Mem = C.Allocate(sizeof(ParmVarDecl*)*NumParams); 995fc767615bc67d3a7587b1fb2e0494c32c9dbd7a5Ted Kremenek ParamInfo = new (Mem) ParmVarDecl*[NumParams]; 9965f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer memcpy(ParamInfo, NewParamInfo, sizeof(ParmVarDecl*)*NumParams); 99755d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis 99896888cc2515e55c9b5dd6798063bf4be2c22983aArgyrios Kyrtzidis // Update source range. The check below allows us to set EndRangeLoc before 99996888cc2515e55c9b5dd6798063bf4be2c22983aArgyrios Kyrtzidis // setting the parameters. 1000cb5f8f59322c352f51714c3de5d8047e70895165Argyrios Kyrtzidis if (EndRangeLoc.isInvalid() || EndRangeLoc == getLocation()) 100155d608cbadf1e9c05064f9287c057d50b7df65b4Argyrios Kyrtzidis EndRangeLoc = NewParamInfo[NumParams-1]->getLocEnd(); 10025f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer } 10035f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 10045f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 10058123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// getMinRequiredArguments - Returns the minimum number of arguments 10068123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// needed to call this function. This may be fewer than the number of 10078123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner/// function parameters, if some of the parameters have default 10089e979557eea3875c9e3d100c68188233dd7f46c0Chris Lattner/// arguments (in C++). 10098123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattnerunsigned FunctionDecl::getMinRequiredArguments() const { 10108123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner unsigned NumRequiredArgs = getNumParams(); 10118123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner while (NumRequiredArgs > 0 1012ae0b4e7be78cf0dc2a6a333e865c2be9265774f9Anders Carlsson && getParamDecl(NumRequiredArgs-1)->hasDefaultArg()) 10138123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner --NumRequiredArgs; 10148123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner 10158123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner return NumRequiredArgs; 10168123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner} 10178123a95c33b792d35c2e4992ba6e27882748fb0dChris Lattner 10187ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregorbool FunctionDecl::isInlined() const { 101948eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // FIXME: This is not enough. Consider: 102048eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // 102148eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // inline void f(); 102248eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // void f() { } 102348eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // 102448eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // f is inlined, but does not have inline specified. 102548eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson // To fix this we should add an 'inline' flag to FunctionDecl. 102648eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson if (isInlineSpecified()) 10277d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return true; 102848eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson 102948eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson if (isa<CXXMethodDecl>(this)) { 103048eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson if (!isOutOfLine() || getCanonicalDecl()->isInlineSpecified()) 103148eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson return true; 103248eda2c5d6d2a5c95775a1a3a8a22428bb6869c6Anders Carlsson } 10337d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 10347d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor switch (getTemplateSpecializationKind()) { 10357d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_Undeclared: 10367d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitSpecialization: 10377d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return false; 10387d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 10397d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ImplicitInstantiation: 10407d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitInstantiationDeclaration: 10417d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor case TSK_ExplicitInstantiationDefinition: 10427d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor // Handle below. 10437d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor break; 10447d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor } 10457d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 10467d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor const FunctionDecl *PatternDecl = getTemplateInstantiationPattern(); 10477d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor Stmt *Pattern = 0; 10487d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor if (PatternDecl) 10497d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor Pattern = PatternDecl->getBody(PatternDecl); 10507d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 10517d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor if (Pattern && PatternDecl) 10527d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return PatternDecl->isInlined(); 10537d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor 10547d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor return false; 10557ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor} 10567ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor 10577d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor/// \brief For an inline function definition in C or C++, determine whether the 10581fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// definition will be externally visible. 10591fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 10601fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// Inline function definitions are always available for inlining optimizations. 10611fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// However, depending on the language dialect, declaration specifiers, and 10621fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// attributes, the definition of an inline function may or may not be 10631fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// "externally" visible to other translation units in the program. 10641fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 10651fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// In C99, inline definitions are not externally visible by default. However, 10661e5fd7f8e90e0953e5c59cbbbc130633d84a1e37Mike Stump/// if even one of the global-scope declarations is marked "extern inline", the 10671fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// inline definition becomes externally visible (C99 6.7.4p6). 10681fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// 10691fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// In GNU89 mode, or if the gnu_inline attribute is attached to the function 10701fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// definition, we use the GNU semantics for inline, which are nearly the 10711fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// opposite of C99 semantics. In particular, "inline" by itself will create 10721fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// an externally visible symbol, but "extern inline" will not create an 10731fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor/// externally visible symbol. 10741fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregorbool FunctionDecl::isInlineDefinitionExternallyVisible() const { 10751fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor assert(isThisDeclarationADefinition() && "Must have the function definition"); 10767ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor assert(isInlined() && "Function must be inline"); 10777d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor ASTContext &Context = getASTContext(); 10781fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 10797d9c3c92c90ae36d58ec21bc53c4c08e02ac3555Douglas Gregor if (!Context.getLangOptions().C99 || hasAttr<GNUInlineAttr>()) { 10801fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // GNU inline semantics. Based on a number of examples, we came up with the 10811fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // following heuristic: if the "inline" keyword is present on a 10821fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // declaration of the function but "extern" is not present on that 10831fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // declaration, then the symbol is externally visible. Otherwise, the GNU 10841fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // "extern inline" semantics applies and the symbol is not externally 10851fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // visible. 10861fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor for (redecl_iterator Redecl = redecls_begin(), RedeclEnd = redecls_end(); 10871fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor Redecl != RedeclEnd; 10881fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor ++Redecl) { 10890130f3cc4ccd5f46361c48d5fe94133d74619424Douglas Gregor if (Redecl->isInlineSpecified() && Redecl->getStorageClass() != Extern) 10901fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor return true; 10911fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor } 10921fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 10931fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // GNU "extern inline" semantics; no externally visible symbol. 10949f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor return false; 10951fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor } 10961fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 10971fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // C99 6.7.4p6: 10981fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // [...] If all of the file scope declarations for a function in a 10991fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // translation unit include the inline function specifier without extern, 11001fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // then the definition in that translation unit is an inline definition. 11011fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor for (redecl_iterator Redecl = redecls_begin(), RedeclEnd = redecls_end(); 11021fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor Redecl != RedeclEnd; 11031fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor ++Redecl) { 11041fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // Only consider file-scope declarations in this test. 11051fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor if (!Redecl->getLexicalDeclContext()->isTranslationUnit()) 11061fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor continue; 11071fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 11080130f3cc4ccd5f46361c48d5fe94133d74619424Douglas Gregor if (!Redecl->isInlineSpecified() || Redecl->getStorageClass() == Extern) 11091fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor return true; // Not an inline definition 11101fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor } 11111fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor 11121fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // C99 6.7.4p6: 11131fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // An inline definition does not provide an external definition for the 11141fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // function, and does not forbid an external definition in another 11151fc09a92d0bffda20e06fa882388c01e192e2069Douglas Gregor // translation unit. 11169f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor return false; 11179f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor} 11189f9bf258f8ebae30bfb70feb9d797d6eb67b0460Douglas Gregor 11191cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// getOverloadedOperator - Which C++ overloaded operator this 11201cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor/// function represents, if any. 11211cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas GregorOverloadedOperatorKind FunctionDecl::getOverloadedOperator() const { 1122e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor if (getDeclName().getNameKind() == DeclarationName::CXXOperatorName) 1123e94ca9e4371c022329270436b3dd77adc4ddfa8fDouglas Gregor return getDeclName().getCXXOverloadedOperator(); 11241cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor else 11251cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor return OO_None; 11261cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor} 11271cd1b1e987f5e2f060d7972b13d83239b36d77d6Douglas Gregor 1128a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt/// getLiteralIdentifier - The literal suffix identifier this function 1129a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt/// represents, if any. 1130a6c058dd75c5563cced821fc16766a7cc179e00cSean Huntconst IdentifierInfo *FunctionDecl::getLiteralIdentifier() const { 1131a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt if (getDeclName().getNameKind() == DeclarationName::CXXLiteralOperatorName) 1132a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt return getDeclName().getCXXLiteralIdentifier(); 1133a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt else 1134a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt return 0; 1135a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt} 1136a6c058dd75c5563cced821fc16766a7cc179e00cSean Hunt 11372db323294ac02296125e1e0beb4c3595992e75bbDouglas GregorFunctionDecl *FunctionDecl::getInstantiatedFromMemberFunction() const { 1138b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor if (MemberSpecializationInfo *Info = getMemberSpecializationInfo()) 11392db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return cast<FunctionDecl>(Info->getInstantiatedFrom()); 11402db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 11412db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return 0; 11422db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor} 11432db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 1144b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas GregorMemberSpecializationInfo *FunctionDecl::getMemberSpecializationInfo() const { 1145b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor return TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>(); 1146b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor} 1147b3ae4fcd4314a9c1c46d41b200883599c32025b4Douglas Gregor 11482db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregorvoid 11492db323294ac02296125e1e0beb4c3595992e75bbDouglas GregorFunctionDecl::setInstantiationOfMemberFunction(FunctionDecl *FD, 11502db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor TemplateSpecializationKind TSK) { 11512db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor assert(TemplateOrSpecialization.isNull() && 11522db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor "Member function is already a specialization"); 11532db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MemberSpecializationInfo *Info 11542db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = new (getASTContext()) MemberSpecializationInfo(FD, TSK); 11552db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor TemplateOrSpecialization = Info; 11562db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor} 11572db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 11583b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregorbool FunctionDecl::isImplicitlyInstantiable() const { 11593b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // If this function already has a definition or is invalid, it can't be 11603b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // implicitly instantiated. 11613b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (isInvalidDecl() || getBody()) 11623b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return false; 11633b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 11643b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor switch (getTemplateSpecializationKind()) { 11653b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_Undeclared: 11663b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ExplicitSpecialization: 11673b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ExplicitInstantiationDefinition: 11683b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return false; 11693b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 11703b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ImplicitInstantiation: 11713b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return true; 11723b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 11733b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor case TSK_ExplicitInstantiationDeclaration: 11743b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Handled below. 11753b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor break; 11763b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 11773b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 11783b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Find the actual template from which we will instantiate. 11793b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor const FunctionDecl *PatternDecl = getTemplateInstantiationPattern(); 11803b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor Stmt *Pattern = 0; 11813b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (PatternDecl) 11823b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor Pattern = PatternDecl->getBody(PatternDecl); 11833b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 11843b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // C++0x [temp.explicit]p9: 11853b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // Except for inline functions, other explicit instantiation declarations 11863b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // have the effect of suppressing the implicit instantiation of the entity 11873b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // to which they refer. 11883b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (!Pattern || !PatternDecl) 11893b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return true; 11903b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 11917ced9c8529b734e313f62a3b81189d6f402f6713Douglas Gregor return PatternDecl->isInlined(); 11923b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor} 11933b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 11943b846b6c252972a6f142aa226c1e65aebd0feecaDouglas GregorFunctionDecl *FunctionDecl::getTemplateInstantiationPattern() const { 11953b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (FunctionTemplateDecl *Primary = getPrimaryTemplate()) { 11963b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor while (Primary->getInstantiatedFromMemberTemplate()) { 11973b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // If we have hit a point where the user provided a specialization of 11983b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor // this template, we're done looking. 11993b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor if (Primary->isMemberSpecialization()) 12003b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor break; 12013b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 12023b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor Primary = Primary->getInstantiatedFromMemberTemplate(); 12033b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 12043b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 12053b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return Primary->getTemplatedDecl(); 12063b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor } 12073b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 12083b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor return getInstantiatedFromMemberFunction(); 12093b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor} 12103b846b6c252972a6f142aa226c1e65aebd0feecaDouglas Gregor 121116e8be2ac532358d4e413fdfa2643b1876edda78Douglas GregorFunctionTemplateDecl *FunctionDecl::getPrimaryTemplate() const { 12121eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionTemplateSpecializationInfo *Info 121316e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor = TemplateOrSpecialization 121416e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 12151fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor return Info->Template.getPointer(); 121616e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor } 121716e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return 0; 121816e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor} 121916e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor 122016e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregorconst TemplateArgumentList * 122116e8be2ac532358d4e413fdfa2643b1876edda78Douglas GregorFunctionDecl::getTemplateSpecializationArgs() const { 12221eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump if (FunctionTemplateSpecializationInfo *Info 1223fd056bc86a8b22a9421b5d921bbca276d0f9d0f7Douglas Gregor = TemplateOrSpecialization 1224fd056bc86a8b22a9421b5d921bbca276d0f9d0f7Douglas Gregor .dyn_cast<FunctionTemplateSpecializationInfo*>()) { 122516e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return Info->TemplateArguments; 122616e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor } 122716e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor return 0; 122816e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor} 122916e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor 12301eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 12311637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas GregorFunctionDecl::setFunctionTemplateSpecialization(ASTContext &Context, 12321637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor FunctionTemplateDecl *Template, 1233127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor const TemplateArgumentList *TemplateArgs, 1234b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor void *InsertPos, 1235b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor TemplateSpecializationKind TSK) { 1236b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor assert(TSK != TSK_Undeclared && 1237b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor "Must specify the type of function template specialization"); 12381eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump FunctionTemplateSpecializationInfo *Info 123916e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor = TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>(); 12401637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor if (!Info) 124116e8be2ac532358d4e413fdfa2643b1876edda78Douglas Gregor Info = new (Context) FunctionTemplateSpecializationInfo; 12421eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1243127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor Info->Function = this; 12441fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor Info->Template.setPointer(Template); 1245b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor Info->Template.setInt(TSK - 1); 12461637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor Info->TemplateArguments = TemplateArgs; 12471637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor TemplateOrSpecialization = Info; 12481eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1249127102b5196ffe04bdb70fd553fe62c265ab10a9Douglas Gregor // Insert this function template specialization into the set of known 1250b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor // function template specializations. 1251b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor if (InsertPos) 1252b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor Template->getSpecializations().InsertNode(Info, InsertPos); 1253b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor else { 1254b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor // Try to insert the new node. If there is an existing node, remove it 1255b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor // first. 1256b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor FunctionTemplateSpecializationInfo *Existing 1257b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor = Template->getSpecializations().GetOrInsertNode(Info); 1258b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor if (Existing) { 1259b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor Template->getSpecializations().RemoveNode(Existing); 1260b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor Template->getSpecializations().GetOrInsertNode(Info); 1261b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor } 1262b9aa6b214c8fbc3e081dde575eef1f0913d48bdcDouglas Gregor } 12631637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor} 12641637be727f2a0434c1ed7aa385ea1c18328b0ccdDouglas Gregor 1265d0e3daf2b980b505e535d35b432c938c6d0208efDouglas GregorTemplateSpecializationKind FunctionDecl::getTemplateSpecializationKind() const { 12661eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump // For a function template specialization, query the specialization 1267d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor // information object. 12682db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor FunctionTemplateSpecializationInfo *FTSInfo 12691fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor = TemplateOrSpecialization.dyn_cast<FunctionTemplateSpecializationInfo*>(); 12702db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (FTSInfo) 12712db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return FTSInfo->getTemplateSpecializationKind(); 1272d0e3daf2b980b505e535d35b432c938c6d0208efDouglas Gregor 12732db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MemberSpecializationInfo *MSInfo 12742db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>(); 12752db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (MSInfo) 12762db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return MSInfo->getTemplateSpecializationKind(); 12772db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor 12782db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor return TSK_Undeclared; 12791fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor} 12801fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor 12811eb4433ac451dc16f4133a88af2d002ac26c58efMike Stumpvoid 12820a897e32a09d290aa5b375444fe33928e47168bbDouglas GregorFunctionDecl::setTemplateSpecializationKind(TemplateSpecializationKind TSK, 12830a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor SourceLocation PointOfInstantiation) { 12842db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor if (FunctionTemplateSpecializationInfo *FTSInfo 12852db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor = TemplateOrSpecialization.dyn_cast< 12860a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FunctionTemplateSpecializationInfo*>()) { 12872db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor FTSInfo->setTemplateSpecializationKind(TSK); 12880a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 12890a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 12900a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FTSInfo->getPointOfInstantiation().isInvalid()) 12910a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FTSInfo->setPointOfInstantiation(PointOfInstantiation); 12920a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor } else if (MemberSpecializationInfo *MSInfo 12930a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>()) { 12942db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor MSInfo->setTemplateSpecializationKind(TSK); 12950a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (TSK != TSK_ExplicitSpecialization && 12960a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor PointOfInstantiation.isValid() && 12970a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSInfo->getPointOfInstantiation().isInvalid()) 12980a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor MSInfo->setPointOfInstantiation(PointOfInstantiation); 12990a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor } else 13002db323294ac02296125e1e0beb4c3595992e75bbDouglas Gregor assert(false && "Function cannot have a template specialization kind"); 13011fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor} 13021fd2dd145d9bcdf0b8d60a88e1795b6ae83656f5Douglas Gregor 13030a897e32a09d290aa5b375444fe33928e47168bbDouglas GregorSourceLocation FunctionDecl::getPointOfInstantiation() const { 13040a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor if (FunctionTemplateSpecializationInfo *FTSInfo 13050a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast< 13060a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor FunctionTemplateSpecializationInfo*>()) 13070a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return FTSInfo->getPointOfInstantiation(); 13080a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor else if (MemberSpecializationInfo *MSInfo 13090a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor = TemplateOrSpecialization.dyn_cast<MemberSpecializationInfo*>()) 13100a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return MSInfo->getPointOfInstantiation(); 13110a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor 13120a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor return SourceLocation(); 13130a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor} 13140a897e32a09d290aa5b375444fe33928e47168bbDouglas Gregor 13159f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregorbool FunctionDecl::isOutOfLine() const { 13169f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (Decl::isOutOfLine()) 13179f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return true; 13189f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 13199f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // If this function was instantiated from a member function of a 13209f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // class template, check whether that member function was defined out-of-line. 13219f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (FunctionDecl *FD = getInstantiatedFromMemberFunction()) { 13229f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor const FunctionDecl *Definition; 13239f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (FD->getBody(Definition)) 13249f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return Definition->isOutOfLine(); 13259f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor } 13269f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 13279f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // If this function was instantiated from a function template, 13289f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor // check whether that function template was defined out-of-line. 13299f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (FunctionTemplateDecl *FunTmpl = getPrimaryTemplate()) { 13309f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor const FunctionDecl *Definition; 13319f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor if (FunTmpl->getTemplatedDecl()->getBody(Definition)) 13329f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return Definition->isOutOfLine(); 13339f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor } 13349f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 13359f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor return false; 13369f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor} 13379f185076dc8b79c8240b20a8746da96beb3f147bDouglas Gregor 13388a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 13397783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// FieldDecl Implementation 13407783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 13417783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 13427783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFieldDecl *FieldDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, 13437783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl IdentifierInfo *Id, QualType T, 13447783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl TypeSourceInfo *TInfo, Expr *BW, bool Mutable) { 13457783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) FieldDecl(Decl::Field, DC, L, Id, T, TInfo, BW, Mutable); 13467783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 13477783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 13487783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlbool FieldDecl::isAnonymousStructOrUnion() const { 13497783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (!isImplicit() || getDeclName()) 13507783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 13517783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 13527783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (const RecordType *Record = getType()->getAs<RecordType>()) 13537783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Record->getDecl()->isAnonymousStructOrUnion(); 13547783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 13557783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return false; 13567783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 13577783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 13587783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 1359bcbffc46f1ad3796c4582fa1e3a9113b5aa26061Douglas Gregor// TagDecl Implementation 13604b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek//===----------------------------------------------------------------------===// 13614b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 1362f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios KyrtzidisSourceRange TagDecl::getSourceRange() const { 1363f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis SourceLocation E = RBraceLoc.isValid() ? RBraceLoc : getLocation(); 1364741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor return SourceRange(TagKeywordLoc, E); 1365f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis} 1366f602c8b6ce1a269c0bf8b3f049e923f4ea5c18e2Argyrios Kyrtzidis 1367b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios KyrtzidisTagDecl* TagDecl::getCanonicalDecl() { 13688e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return getFirstDeclaration(); 1369b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios Kyrtzidis} 1370b57a4fe73b8227c0dba651818b8495dfca61e530Argyrios Kyrtzidis 13710b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregorvoid TagDecl::startDefinition() { 13728e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor if (TagType *TagT = const_cast<TagType *>(TypeForDecl->getAs<TagType>())) { 13738e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor TagT->decl.setPointer(this); 13748e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor TagT->decl.setInt(1); 13758e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor } 13760b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor} 13770b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 13780b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregorvoid TagDecl::completeDefinition() { 13790b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor IsDefinition = true; 13808e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor if (TagType *TagT = const_cast<TagType *>(TypeForDecl->getAs<TagType>())) { 13818e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor assert(TagT->decl.getPointer() == this && 13828e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor "Attempt to redefine a tag definition?"); 13838e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor TagT->decl.setInt(0); 13848e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor } 13850b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor} 13860b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor 13874b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed KremenekTagDecl* TagDecl::getDefinition(ASTContext& C) const { 13888e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor if (isDefinition()) 13898e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return const_cast<TagDecl *>(this); 13901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13911eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump for (redecl_iterator R = redecls_begin(), REnd = redecls_end(); 13928e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor R != REnd; ++R) 13938e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor if (R->isDefinition()) 13948e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return *R; 13951eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 13968e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor return 0; 13974b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek} 13984b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek 1399f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCallTagDecl::TagKind TagDecl::getTagKindForTypeSpec(unsigned TypeSpec) { 1400f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall switch (TypeSpec) { 14019f61aa9e280adea9fbf3365f0e4f6ed568c9885aJeffrey Yasskin default: llvm_unreachable("unexpected type specifier"); 1402f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall case DeclSpec::TST_struct: return TK_struct; 1403f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall case DeclSpec::TST_class: return TK_class; 1404f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall case DeclSpec::TST_union: return TK_union; 1405f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall case DeclSpec::TST_enum: return TK_enum; 1406f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall } 1407f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall} 1408f1bbbb49f06a7462476cd88166fccda5feb15cabJohn McCall 14094b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek//===----------------------------------------------------------------------===// 14107783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// EnumDecl Implementation 14117783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 14127783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 14137783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlEnumDecl *EnumDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L, 14147783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl IdentifierInfo *Id, SourceLocation TKL, 14157783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl EnumDecl *PrevDecl) { 14167783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl EnumDecl *Enum = new (C) EnumDecl(DC, L, Id, PrevDecl, TKL); 14177783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl C.getTypeDeclType(Enum, PrevDecl); 14187783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return Enum; 14197783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 14207783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 14217783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlvoid EnumDecl::Destroy(ASTContext& C) { 14227783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Decl::Destroy(C); 14237783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 14247783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 14257783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlvoid EnumDecl::completeDefinition(ASTContext &C, 14267783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl QualType NewType, 14277783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl QualType NewPromotionType) { 14287783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl assert(!isDefinition() && "Cannot redefine enums!"); 14297783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl IntegerType = NewType; 14307783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl PromotionType = NewPromotionType; 14317783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl TagDecl::completeDefinition(); 14327783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 14337783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 14347783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 14358a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner// RecordDecl Implementation 14368a934233d1582b5bde9d270bc0705aa81e471a79Chris Lattner//===----------------------------------------------------------------------===// 14375f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 143835bc0821c4f80041724cd4c5c4889b2581546a41Argyrios KyrtzidisRecordDecl::RecordDecl(Kind DK, TagKind TK, DeclContext *DC, SourceLocation L, 14398e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor IdentifierInfo *Id, RecordDecl *PrevDecl, 14408e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor SourceLocation TKL) 14418e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor : TagDecl(DK, TK, DC, L, Id, PrevDecl, TKL) { 14426359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek HasFlexibleArrayMember = false; 1443bcbffc46f1ad3796c4582fa1e3a9113b5aa26061Douglas Gregor AnonymousStructOrUnion = false; 1444082b02e8403d3ee9d2ded969fbe0e5d472f04cd8Fariborz Jahanian HasObjectMember = false; 14456359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek assert(classof(static_cast<Decl*>(this)) && "Invalid Kind!"); 14466359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek} 14476359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek 14486359792ca92e7ca2f416cb804c6604358174e994Ted KremenekRecordDecl *RecordDecl::Create(ASTContext &C, TagKind TK, DeclContext *DC, 14494b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek SourceLocation L, IdentifierInfo *Id, 1450741dd9a7e1d63e4e385b657e4ce11c5d96d44f72Douglas Gregor SourceLocation TKL, RecordDecl* PrevDecl) { 14511eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14528e9e9ef5348bce1a8f0741a5684fac3de9701c28Douglas Gregor RecordDecl* R = new (C) RecordDecl(Record, TK, DC, L, Id, PrevDecl, TKL); 14534b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek C.getTypeDeclType(R, PrevDecl); 14544b7c98378ae0c1a3635f0b7756848b4a9923f8bcTed Kremenek return R; 14556359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek} 14566359792ca92e7ca2f416cb804c6604358174e994Ted Kremenek 1457997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios KyrtzidisRecordDecl::~RecordDecl() { 1458997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios Kyrtzidis} 1459997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios Kyrtzidis 1460997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios Kyrtzidisvoid RecordDecl::Destroy(ASTContext& C) { 1461997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios Kyrtzidis TagDecl::Destroy(C); 1462997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios Kyrtzidis} 1463997b6c6d73541f010afc81e28191c8eae7b24f77Argyrios Kyrtzidis 1464c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregorbool RecordDecl::isInjectedClassName() const { 14651eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump return isImplicit() && getDeclName() && getDeclContext()->isRecord() && 1466c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor cast<RecordDecl>(getDeclContext())->getDeclName() == getDeclName(); 1467c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor} 1468c9b5b4074bd73d4af76e69cccf8ecd365fdd1008Douglas Gregor 146944b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor/// completeDefinition - Notes that the definition of this type is now 147044b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregor/// complete. 147144b4321feab46299d3f5cfd404680884752a0fcfDouglas Gregorvoid RecordDecl::completeDefinition(ASTContext& C) { 14725f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer assert(!isDefinition() && "Cannot redefine record!"); 14730b7a158d120ac8d78c114a823e17eedfec6b6658Douglas Gregor TagDecl::completeDefinition(); 14745f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer} 14755f016e2cb5d11daeb237544de1c5d59f20fe1a6eReid Spencer 147656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff//===----------------------------------------------------------------------===// 147756ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff// BlockDecl Implementation 147856ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff//===----------------------------------------------------------------------===// 147956ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 148056ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve NaroffBlockDecl::~BlockDecl() { 148156ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff} 148256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 148356ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroffvoid BlockDecl::Destroy(ASTContext& C) { 148456ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff if (Body) 148556ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff Body->Destroy(C); 148656ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff 148756ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff for (param_iterator I=param_begin(), E=param_end(); I!=E; ++I) 148856ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff (*I)->Destroy(C); 14891eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 14901eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump C.Deallocate(ParamInfo); 149156ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff Decl::Destroy(C); 149256ee6896f2efebffb4a2cce5a7610cdf1eddbbbeSteve Naroff} 1493e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff 1494e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroffvoid BlockDecl::setParams(ASTContext& C, ParmVarDecl **NewParamInfo, 1495e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff unsigned NParms) { 1496e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff assert(ParamInfo == 0 && "Already has param info!"); 14971eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump 1498e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff // Zero params -> null pointer. 1499e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff if (NParms) { 1500e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff NumParams = NParms; 1501e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff void *Mem = C.Allocate(sizeof(ParmVarDecl*)*NumParams); 1502e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff ParamInfo = new (Mem) ParmVarDecl*[NumParams]; 1503e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff memcpy(ParamInfo, NewParamInfo, sizeof(ParmVarDecl*)*NumParams); 1504e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff } 1505e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff} 1506e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff 1507e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroffunsigned BlockDecl::getNumParams() const { 1508e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff return NumParams; 1509e78b809bbcd92928a63da81f2cd843faad3e4dfdSteve Naroff} 15107783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15117783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15127783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 15137783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// Other Decl Allocation/Deallocation Method Implementations 15147783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl//===----------------------------------------------------------------------===// 15157783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15167783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlTranslationUnitDecl *TranslationUnitDecl::Create(ASTContext &C) { 15177783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) TranslationUnitDecl(C); 15187783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 15197783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15207783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlNamespaceDecl *NamespaceDecl::Create(ASTContext &C, DeclContext *DC, 15217783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, IdentifierInfo *Id) { 15227783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) NamespaceDecl(DC, L, Id); 15237783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 15247783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15257783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlvoid NamespaceDecl::Destroy(ASTContext& C) { 15267783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl // NamespaceDecl uses "NextDeclarator" to chain namespace declarations 15277783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl // together. They are all top-level Decls. 15287783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15297783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl this->~NamespaceDecl(); 15307783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl C.Deallocate((void *)this); 15317783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 15327783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15337783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15347783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlImplicitParamDecl *ImplicitParamDecl::Create(ASTContext &C, DeclContext *DC, 15357783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, IdentifierInfo *Id, QualType T) { 15367783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) ImplicitParamDecl(ImplicitParam, DC, L, Id, T); 15377783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 15387783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15397783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFunctionDecl *FunctionDecl::Create(ASTContext &C, DeclContext *DC, 15407783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, 15417783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl DeclarationName N, QualType T, 15427783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl TypeSourceInfo *TInfo, 15437783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl StorageClass S, bool isInline, 15447783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl bool hasWrittenPrototype) { 15457783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl FunctionDecl *New 15467783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl = new (C) FunctionDecl(Function, DC, L, N, T, TInfo, S, isInline); 15477783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl New->HasWrittenPrototype = hasWrittenPrototype; 15487783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return New; 15497783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 15507783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15517783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlBlockDecl *BlockDecl::Create(ASTContext &C, DeclContext *DC, SourceLocation L) { 15527783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) BlockDecl(DC, L); 15537783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 15547783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15557783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlEnumConstantDecl *EnumConstantDecl::Create(ASTContext &C, EnumDecl *CD, 15567783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, 15577783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl IdentifierInfo *Id, QualType T, 15587783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Expr *E, const llvm::APSInt &V) { 15597783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) EnumConstantDecl(CD, L, Id, T, E, V); 15607783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 15617783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15627783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redlvoid EnumConstantDecl::Destroy(ASTContext& C) { 15637783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl if (Init) Init->Destroy(C); 15647783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl Decl::Destroy(C); 15657783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 15667783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15677783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlTypedefDecl *TypedefDecl::Create(ASTContext &C, DeclContext *DC, 15687783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, IdentifierInfo *Id, 15697783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl TypeSourceInfo *TInfo) { 15707783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) TypedefDecl(DC, L, Id, TInfo); 15717783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 15727783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15737783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl// Anchor TypedefDecl's vtable here. 15747783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlTypedefDecl::~TypedefDecl() {} 15757783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl 15767783bfc066776a63d6a2cd28329d4d149647bfdcSebastian RedlFileScopeAsmDecl *FileScopeAsmDecl::Create(ASTContext &C, DeclContext *DC, 15777783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl SourceLocation L, 15787783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl StringLiteral *Str) { 15797783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl return new (C) FileScopeAsmDecl(DC, L, Str); 15807783bfc066776a63d6a2cd28329d4d149647bfdcSebastian Redl} 1581