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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
//===- IndexingAction.cpp - Frontend index action -------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "clang/Index/IndexingAction.h"
#include "clang/Index/IndexDataConsumer.h"
#include "IndexingContext.h"
#include "clang/Frontend/FrontendAction.h"
#include "clang/Frontend/MultiplexConsumer.h"
#include "clang/Lex/Preprocessor.h"
#include "clang/Serialization/ASTReader.h"
using namespace clang;
using namespace clang::index;
void IndexDataConsumer::_anchor() {}
bool IndexDataConsumer::handleDeclOccurence(const Decl *D, SymbolRoleSet Roles,
ArrayRef<SymbolRelation> Relations,
FileID FID, unsigned Offset,
ASTNodeInfo ASTNode) {
return true;
}
bool IndexDataConsumer::handleMacroOccurence(const IdentifierInfo *Name,
const MacroInfo *MI, SymbolRoleSet Roles,
FileID FID, unsigned Offset) {
return true;
}
bool IndexDataConsumer::handleModuleOccurence(const ImportDecl *ImportD,
SymbolRoleSet Roles,
FileID FID, unsigned Offset) {
return true;
}
namespace {
class IndexASTConsumer : public ASTConsumer {
IndexingContext &IndexCtx;
public:
IndexASTConsumer(IndexingContext &IndexCtx)
: IndexCtx(IndexCtx) {}
protected:
void Initialize(ASTContext &Context) override {
IndexCtx.setASTContext(Context);
IndexCtx.getDataConsumer().initialize(Context);
}
bool HandleTopLevelDecl(DeclGroupRef DG) override {
return IndexCtx.indexDeclGroupRef(DG);
}
void HandleInterestingDecl(DeclGroupRef DG) override {
// Ignore deserialized decls.
}
void HandleTopLevelDeclInObjCContainer(DeclGroupRef DG) override {
IndexCtx.indexDeclGroupRef(DG);
}
void HandleTranslationUnit(ASTContext &Ctx) override {
}
};
class IndexActionBase {
protected:
std::shared_ptr<IndexDataConsumer> DataConsumer;
IndexingContext IndexCtx;
IndexActionBase(std::shared_ptr<IndexDataConsumer> dataConsumer,
IndexingOptions Opts)
: DataConsumer(std::move(dataConsumer)),
IndexCtx(Opts, *DataConsumer) {}
std::unique_ptr<IndexASTConsumer> createIndexASTConsumer() {
return llvm::make_unique<IndexASTConsumer>(IndexCtx);
}
void finish() {
DataConsumer->finish();
}
};
class IndexAction : public ASTFrontendAction, IndexActionBase {
public:
IndexAction(std::shared_ptr<IndexDataConsumer> DataConsumer,
IndexingOptions Opts)
: IndexActionBase(std::move(DataConsumer), Opts) {}
protected:
std::unique_ptr<ASTConsumer> CreateASTConsumer(CompilerInstance &CI,
StringRef InFile) override {
return createIndexASTConsumer();
}
void EndSourceFileAction() override {
FrontendAction::EndSourceFileAction();
finish();
}
};
class WrappingIndexAction : public WrapperFrontendAction, IndexActionBase {
bool IndexActionFailed = false;
public:
WrappingIndexAction(std::unique_ptr<FrontendAction> WrappedAction,
std::shared_ptr<IndexDataConsumer> DataConsumer,
IndexingOptions Opts)
: WrapperFrontendAction(std::move(WrappedAction)),
IndexActionBase(std::move(DataConsumer), Opts) {}
protected:
std::unique_ptr<ASTConsumer> CreateASTConsumer(CompilerInstance &CI,
StringRef InFile) override;
void EndSourceFileAction() override;
};
} // anonymous namespace
void WrappingIndexAction::EndSourceFileAction() {
// Invoke wrapped action's method.
WrapperFrontendAction::EndSourceFileAction();
if (!IndexActionFailed)
finish();
}
std::unique_ptr<ASTConsumer>
WrappingIndexAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
auto OtherConsumer = WrapperFrontendAction::CreateASTConsumer(CI, InFile);
if (!OtherConsumer) {
IndexActionFailed = true;
return nullptr;
}
std::vector<std::unique_ptr<ASTConsumer>> Consumers;
Consumers.push_back(std::move(OtherConsumer));
Consumers.push_back(createIndexASTConsumer());
return llvm::make_unique<MultiplexConsumer>(std::move(Consumers));
}
std::unique_ptr<FrontendAction>
index::createIndexingAction(std::shared_ptr<IndexDataConsumer> DataConsumer,
IndexingOptions Opts,
std::unique_ptr<FrontendAction> WrappedAction) {
if (WrappedAction)
return llvm::make_unique<WrappingIndexAction>(std::move(WrappedAction),
std::move(DataConsumer),
Opts);
return llvm::make_unique<IndexAction>(std::move(DataConsumer), Opts);
}
static bool topLevelDeclVisitor(void *context, const Decl *D) {
IndexingContext &IndexCtx = *static_cast<IndexingContext*>(context);
return IndexCtx.indexTopLevelDecl(D);
}
static void indexTranslationUnit(ASTUnit &Unit, IndexingContext &IndexCtx) {
Unit.visitLocalTopLevelDecls(&IndexCtx, topLevelDeclVisitor);
}
void index::indexASTUnit(ASTUnit &Unit,
std::shared_ptr<IndexDataConsumer> DataConsumer,
IndexingOptions Opts) {
IndexingContext IndexCtx(Opts, *DataConsumer);
IndexCtx.setASTContext(Unit.getASTContext());
DataConsumer->initialize(Unit.getASTContext());
indexTranslationUnit(Unit, IndexCtx);
DataConsumer->finish();
}
void index::indexTopLevelDecls(ASTContext &Ctx, ArrayRef<const Decl *> Decls,
std::shared_ptr<IndexDataConsumer> DataConsumer,
IndexingOptions Opts) {
IndexingContext IndexCtx(Opts, *DataConsumer);
IndexCtx.setASTContext(Ctx);
DataConsumer->initialize(Ctx);
for (const Decl *D : Decls)
IndexCtx.indexTopLevelDecl(D);
DataConsumer->finish();
}
void index::indexModuleFile(serialization::ModuleFile &Mod,
ASTReader &Reader,
std::shared_ptr<IndexDataConsumer> DataConsumer,
IndexingOptions Opts) {
ASTContext &Ctx = Reader.getContext();
IndexingContext IndexCtx(Opts, *DataConsumer);
IndexCtx.setASTContext(Ctx);
DataConsumer->initialize(Ctx);
for (const Decl *D :Reader.getModuleFileLevelDecls(Mod)) {
IndexCtx.indexTopLevelDecl(D);
}
DataConsumer->finish();
}
|
