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
isBaseOf(ASTNodeKind Other) const40 bool ASTNodeKind::isBaseOf(ASTNodeKind Other) const {
41 return isBaseOf(KindId, Other.KindId);
42 }
43
isSame(ASTNodeKind Other) const44 bool ASTNodeKind::isSame(ASTNodeKind Other) const {
45 return KindId != NKI_None && KindId == Other.KindId;
46 }
47
isBaseOf(NodeKindId Base,NodeKindId Derived)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
asStringRef() const55 StringRef ASTNodeKind::asStringRef() const { return AllKindInfo[KindId].Name; }
56
57 } // end namespace ast_type_traits
58 } // end namespace clang
59