reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
  135
  136
  137
  138
  139
//===- IndexingContext.h - Indexing context data ----------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_LIB_INDEX_INDEXINGCONTEXT_H
#define LLVM_CLANG_LIB_INDEX_INDEXINGCONTEXT_H

#include "clang/Basic/IdentifierTable.h"
#include "clang/Basic/LLVM.h"
#include "clang/Index/IndexSymbol.h"
#include "clang/Index/IndexingAction.h"
#include "clang/Lex/MacroInfo.h"
#include "llvm/ADT/ArrayRef.h"

namespace clang {
  class ASTContext;
  class Decl;
  class DeclGroupRef;
  class ImportDecl;
  class TagDecl;
  class TypeSourceInfo;
  class NamedDecl;
  class ObjCMethodDecl;
  class DeclContext;
  class NestedNameSpecifierLoc;
  class Stmt;
  class Expr;
  class TypeLoc;
  class SourceLocation;

namespace index {
  class IndexDataConsumer;

class IndexingContext {
  IndexingOptions IndexOpts;
  IndexDataConsumer &DataConsumer;
  ASTContext *Ctx = nullptr;

public:
  IndexingContext(IndexingOptions IndexOpts, IndexDataConsumer &DataConsumer)
    : IndexOpts(IndexOpts), DataConsumer(DataConsumer) {}

  const IndexingOptions &getIndexOpts() const { return IndexOpts; }
  IndexDataConsumer &getDataConsumer() { return DataConsumer; }

  void setASTContext(ASTContext &ctx) { Ctx = &ctx; }

  bool shouldIndex(const Decl *D);

  const LangOptions &getLangOpts() const;

  bool shouldSuppressRefs() const {
    return false;
  }

  bool shouldIndexFunctionLocalSymbols() const;

  bool shouldIndexImplicitInstantiation() const;

  bool shouldIndexParametersInDeclarations() const;

  bool shouldIndexTemplateParameters() const;

  static bool isTemplateImplicitInstantiation(const Decl *D);

  bool handleDecl(const Decl *D, SymbolRoleSet Roles = SymbolRoleSet(),
                  ArrayRef<SymbolRelation> Relations = None);

  bool handleDecl(const Decl *D, SourceLocation Loc,
                  SymbolRoleSet Roles = SymbolRoleSet(),
                  ArrayRef<SymbolRelation> Relations = None,
                  const DeclContext *DC = nullptr);

  bool handleReference(const NamedDecl *D, SourceLocation Loc,
                       const NamedDecl *Parent,
                       const DeclContext *DC,
                       SymbolRoleSet Roles = SymbolRoleSet(),
                       ArrayRef<SymbolRelation> Relations = None,
                       const Expr *RefE = nullptr,
                       const Decl *RefD = nullptr);

  void handleMacroDefined(const IdentifierInfo &Name, SourceLocation Loc,
                          const MacroInfo &MI);

  void handleMacroUndefined(const IdentifierInfo &Name, SourceLocation Loc,
                            const MacroInfo &MI);

  void handleMacroReference(const IdentifierInfo &Name, SourceLocation Loc,
                            const MacroInfo &MD);

  bool importedModule(const ImportDecl *ImportD);

  bool indexDecl(const Decl *D);

  void indexTagDecl(const TagDecl *D,
                    ArrayRef<SymbolRelation> Relations = None);

  void indexTypeSourceInfo(TypeSourceInfo *TInfo, const NamedDecl *Parent,
                           const DeclContext *DC = nullptr,
                           bool isBase = false,
                           bool isIBType = false);

  void indexTypeLoc(TypeLoc TL, const NamedDecl *Parent,
                    const DeclContext *DC = nullptr,
                    bool isBase = false,
                    bool isIBType = false);

  void indexNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS,
                                   const NamedDecl *Parent,
                                   const DeclContext *DC = nullptr);

  bool indexDeclContext(const DeclContext *DC);

  void indexBody(const Stmt *S, const NamedDecl *Parent,
                 const DeclContext *DC = nullptr);

  bool indexTopLevelDecl(const Decl *D);
  bool indexDeclGroupRef(DeclGroupRef DG);

private:
  bool shouldIgnoreIfImplicit(const Decl *D);

  bool handleDeclOccurrence(const Decl *D, SourceLocation Loc,
                            bool IsRef, const Decl *Parent,
                            SymbolRoleSet Roles,
                            ArrayRef<SymbolRelation> Relations,
                            const Expr *RefE,
                            const Decl *RefD,
                            const DeclContext *ContainerDC);
};

} // end namespace index
} // end namespace clang

#endif