| //===--- ASTTypeTraits.cpp --------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Provides a dynamic type identifier and a dynamically typed node container |
| // that can be used to store an AST base node at runtime in the same storage in |
| // a type safe way. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "clang/AST/ASTTypeTraits.h" |
| #include "clang/AST/ASTContext.h" |
| #include "clang/AST/DeclCXX.h" |
| |
| namespace clang { |
| namespace ast_type_traits { |
| |
| const ASTNodeKind::KindInfo ASTNodeKind::AllKindInfo[] = { |
| { NKI_None, "<None>" }, |
| { NKI_None, "CXXCtorInitializer" }, |
| { NKI_None, "TemplateArgument" }, |
| { NKI_None, "NestedNameSpecifier" }, |
| { NKI_None, "NestedNameSpecifierLoc" }, |
| { NKI_None, "QualType" }, |
| { NKI_None, "TypeLoc" }, |
| { NKI_None, "Decl" }, |
| #define DECL(DERIVED, BASE) { NKI_##BASE, #DERIVED "Decl" }, |
| #include "clang/AST/DeclNodes.inc" |
| { NKI_None, "Stmt" }, |
| #define STMT(DERIVED, BASE) { NKI_##BASE, #DERIVED }, |
| #include "clang/AST/StmtNodes.inc" |
| { NKI_None, "Type" }, |
| #define TYPE(DERIVED, BASE) { NKI_##BASE, #DERIVED "Type" }, |
| #include "clang/AST/TypeNodes.def" |
| }; |
| |
| bool ASTNodeKind::isBaseOf(ASTNodeKind Other) const { |
| return isBaseOf(KindId, Other.KindId); |
| } |
| |
| bool ASTNodeKind::isSame(ASTNodeKind Other) const { |
| return KindId != NKI_None && KindId == Other.KindId; |
| } |
| |
| bool ASTNodeKind::isBaseOf(NodeKindId Base, NodeKindId Derived) { |
| if (Base == NKI_None || Derived == NKI_None) return false; |
| while (Derived != Base && Derived != NKI_None) |
| Derived = AllKindInfo[Derived].ParentId; |
| return Derived == Base; |
| } |
| |
| StringRef ASTNodeKind::asStringRef() const { return AllKindInfo[KindId].Name; } |
| |
| void DynTypedNode::print(llvm::raw_ostream &OS, |
| const PrintingPolicy &PP) const { |
| if (const TemplateArgument *TA = get<TemplateArgument>()) |
| TA->print(PP, OS); |
| else if (const NestedNameSpecifier *NNS = get<NestedNameSpecifier>()) |
| NNS->print(OS, PP); |
| else if (const NestedNameSpecifierLoc *NNSL = get<NestedNameSpecifierLoc>()) |
| NNSL->getNestedNameSpecifier()->print(OS, PP); |
| else if (const QualType *QT = get<QualType>()) |
| QT->print(OS, PP); |
| else if (const TypeLoc *TL = get<TypeLoc>()) |
| TL->getType().print(OS, PP); |
| else if (const Decl *D = get<Decl>()) |
| D->print(OS, PP); |
| else if (const Stmt *S = get<Stmt>()) |
| S->printPretty(OS, 0, PP); |
| else if (const Type *T = get<Type>()) |
| QualType(T, 0).print(OS, PP); |
| else |
| OS << "Unable to print values of type " << NodeKind.asStringRef() << "\n"; |
| } |
| |
| void DynTypedNode::dump(llvm::raw_ostream &OS, SourceManager &SM) const { |
| if (const Decl *D = get<Decl>()) |
| D->dump(OS); |
| else if (const Stmt *S = get<Stmt>()) |
| S->dump(OS, SM); |
| else |
| OS << "Unable to dump values of type " << NodeKind.asStringRef() << "\n"; |
| } |
| |
| SourceRange DynTypedNode::getSourceRange() const { |
| if (const CXXCtorInitializer *CCI = get<CXXCtorInitializer>()) |
| return CCI->getSourceRange(); |
| if (const NestedNameSpecifierLoc *NNSL = get<NestedNameSpecifierLoc>()) |
| return NNSL->getSourceRange(); |
| if (const TypeLoc *TL = get<TypeLoc>()) |
| return TL->getSourceRange(); |
| if (const Decl *D = get<Decl>()) |
| return D->getSourceRange(); |
| if (const Stmt *S = get<Stmt>()) |
| return S->getSourceRange(); |
| return SourceRange(); |
| } |
| |
| } // end namespace ast_type_traits |
| } // end namespace clang |