1 //===--- ASTTypeTraits.cpp --------------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // Provides a dynamic type identifier and a dynamically typed node container 11 // that can be used to store an AST base node at runtime in the same storage in 12 // a type safe way. 13 // 14 //===----------------------------------------------------------------------===// 15 16 #include "clang/AST/ASTTypeTraits.h" 17 18 namespace clang { 19 namespace ast_type_traits { 20 21 const ASTNodeKind::KindInfo ASTNodeKind::AllKindInfo[] = { 22 { NKI_None, "<None>" }, 23 { NKI_None, "CXXCtorInitializer" }, 24 { NKI_None, "TemplateArgument" }, 25 { NKI_None, "NestedNameSpecifier" }, 26 { NKI_None, "NestedNameSpecifierLoc" }, 27 { NKI_None, "QualType" }, 28 { NKI_None, "TypeLoc" }, 29 { NKI_None, "Decl" }, 30 #define DECL(DERIVED, BASE) { NKI_##BASE, #DERIVED "Decl" }, 31 #include "clang/AST/DeclNodes.inc" 32 { NKI_None, "Stmt" }, 33 #define STMT(DERIVED, BASE) { NKI_##BASE, #DERIVED }, 34 #include "clang/AST/StmtNodes.inc" 35 { NKI_None, "Type" }, 36 #define TYPE(DERIVED, BASE) { NKI_##BASE, #DERIVED "Type" }, 37 #include "clang/AST/TypeNodes.def" 38 }; 39 40 bool ASTNodeKind::isBaseOf(ASTNodeKind Other) const { 41 return isBaseOf(KindId, Other.KindId); 42 } 43 44 bool ASTNodeKind::isSame(ASTNodeKind Other) const { 45 return KindId != NKI_None && KindId == Other.KindId; 46 } 47 48 bool ASTNodeKind::isBaseOf(NodeKindId Base, NodeKindId Derived) { 49 if (Base == NKI_None || Derived == NKI_None) return false; 50 while (Derived != Base && Derived != NKI_None) 51 Derived = AllKindInfo[Derived].ParentId; 52 return Derived == Base; 53 } 54 55 StringRef ASTNodeKind::asStringRef() const { return AllKindInfo[KindId].Name; } 56 57 } // end namespace ast_type_traits 58 } // end namespace clang 59
