1//===- IndexingContext.h - Indexing context data ----------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLVM_CLANG_LIB_INDEX_INDEXINGCONTEXT_H
10#define LLVM_CLANG_LIB_INDEX_INDEXINGCONTEXT_H
11
12#include "clang/Basic/IdentifierTable.h"
13#include "clang/Basic/LLVM.h"
14#include "clang/Index/IndexSymbol.h"
15#include "clang/Index/IndexingAction.h"
16#include "clang/Lex/MacroInfo.h"
17#include "llvm/ADT/ArrayRef.h"
18
19namespace clang {
20 class ASTContext;
21 class Decl;
22 class DeclGroupRef;
23 class ImportDecl;
24 class HeuristicResolver;
25 class TagDecl;
26 class TypeSourceInfo;
27 class NamedDecl;
28 class ObjCMethodDecl;
29 class DeclContext;
30 class NestedNameSpecifierLoc;
31 class Stmt;
32 class Expr;
33 class TypeLoc;
34 class SourceLocation;
35
36namespace index {
37 class IndexDataConsumer;
38
39class IndexingContext {
40 IndexingOptions IndexOpts;
41 IndexDataConsumer &DataConsumer;
42 ASTContext *Ctx = nullptr;
43 std::unique_ptr<HeuristicResolver> Resolver;
44
45public:
46 IndexingContext(IndexingOptions IndexOpts, IndexDataConsumer &DataConsumer);
47 // Defaulted, but defined out of line to avoid a dependency on
48 // HeuristicResolver.h (unique_ptr requires a complete type at
49 // the point where its destructor is called).
50 ~IndexingContext();
51
52 const IndexingOptions &getIndexOpts() const { return IndexOpts; }
53 IndexDataConsumer &getDataConsumer() { return DataConsumer; }
54
55 void setASTContext(ASTContext &ctx);
56
57 HeuristicResolver *getResolver() const { return Resolver.get(); }
58
59 bool shouldIndex(const Decl *D);
60
61 const LangOptions &getLangOpts() const;
62
63 bool shouldSuppressRefs() const {
64 return false;
65 }
66
67 bool shouldIndexFunctionLocalSymbols() const;
68
69 bool shouldIndexImplicitInstantiation() const;
70
71 bool shouldIndexParametersInDeclarations() const;
72
73 bool shouldIndexTemplateParameters() const;
74
75 static bool isTemplateImplicitInstantiation(const Decl *D);
76
77 bool handleDecl(const Decl *D, SymbolRoleSet Roles = SymbolRoleSet(),
78 ArrayRef<SymbolRelation> Relations = {});
79
80 bool handleDecl(const Decl *D, SourceLocation Loc,
81 SymbolRoleSet Roles = SymbolRoleSet(),
82 ArrayRef<SymbolRelation> Relations = {},
83 const DeclContext *DC = nullptr);
84
85 bool handleReference(const NamedDecl *D, SourceLocation Loc,
86 const NamedDecl *Parent, const DeclContext *DC,
87 SymbolRoleSet Roles = SymbolRoleSet(),
88 ArrayRef<SymbolRelation> Relations = {},
89 const Expr *RefE = nullptr);
90
91 void handleMacroDefined(const IdentifierInfo &Name, SourceLocation Loc,
92 const MacroInfo &MI);
93
94 void handleMacroUndefined(const IdentifierInfo &Name, SourceLocation Loc,
95 const MacroInfo &MI);
96
97 void handleMacroReference(const IdentifierInfo &Name, SourceLocation Loc,
98 const MacroInfo &MD);
99
100 bool importedModule(const ImportDecl *ImportD);
101
102 bool indexDecl(const Decl *D);
103
104 void indexTagDecl(const TagDecl *D, ArrayRef<SymbolRelation> Relations = {});
105
106 void indexTypeSourceInfo(TypeSourceInfo *TInfo, const NamedDecl *Parent,
107 const DeclContext *DC = nullptr,
108 bool isBase = false,
109 bool isIBType = false);
110
111 void indexTypeLoc(TypeLoc TL, const NamedDecl *Parent,
112 const DeclContext *DC = nullptr,
113 bool isBase = false,
114 bool isIBType = false);
115
116 void indexNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS,
117 const NamedDecl *Parent,
118 const DeclContext *DC = nullptr);
119
120 bool indexDeclContext(const DeclContext *DC);
121
122 void indexBody(const Stmt *S, const NamedDecl *Parent,
123 const DeclContext *DC = nullptr);
124
125 bool indexTopLevelDecl(const Decl *D);
126 bool indexDeclGroupRef(DeclGroupRef DG);
127
128private:
129 bool shouldIgnoreIfImplicit(const Decl *D);
130
131 bool shouldIndexMacroOccurrence(bool IsRef, SourceLocation Loc);
132
133 bool handleDeclOccurrence(const Decl *D, SourceLocation Loc,
134 bool IsRef, const Decl *Parent,
135 SymbolRoleSet Roles,
136 ArrayRef<SymbolRelation> Relations,
137 const Expr *RefE,
138 const Decl *RefD,
139 const DeclContext *ContainerDC);
140};
141
142} // end namespace index
143} // end namespace clang
144
145#endif
146

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source code of clang/lib/Index/IndexingContext.h