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
|
//===- CIndexHigh.cpp - Higher level API functions ------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "IndexingContext.h"
#include "clang/AST/RecursiveASTVisitor.h"
using namespace clang;
using namespace cxindex;
namespace {
class BodyIndexer : public RecursiveASTVisitor<BodyIndexer> {
IndexingContext &IndexCtx;
const NamedDecl *Parent;
const DeclContext *ParentDC;
typedef RecursiveASTVisitor<BodyIndexer> base;
public:
BodyIndexer(IndexingContext &indexCtx,
const NamedDecl *Parent, const DeclContext *DC)
: IndexCtx(indexCtx), Parent(Parent), ParentDC(DC) { }
bool shouldWalkTypesOfTypeLocs() const { return false; }
bool TraverseTypeLoc(TypeLoc TL) {
IndexCtx.indexTypeLoc(TL, Parent, ParentDC);
return true;
}
bool TraverseNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS) {
IndexCtx.indexNestedNameSpecifierLoc(NNS, Parent, ParentDC);
return true;
}
bool VisitDeclRefExpr(DeclRefExpr *E) {
IndexCtx.handleReference(E->getDecl(), E->getLocation(),
Parent, ParentDC, E);
return true;
}
bool VisitMemberExpr(MemberExpr *E) {
IndexCtx.handleReference(E->getMemberDecl(), E->getMemberLoc(),
Parent, ParentDC, E);
return true;
}
bool VisitDesignatedInitExpr(DesignatedInitExpr *E) {
for (DesignatedInitExpr::reverse_designators_iterator
D = E->designators_rbegin(), DEnd = E->designators_rend();
D != DEnd; ++D) {
if (D->isFieldDesignator())
IndexCtx.handleReference(D->getField(), D->getFieldLoc(),
Parent, ParentDC, E);
}
return true;
}
bool VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) {
IndexCtx.handleReference(E->getDecl(), E->getLocation(),
Parent, ParentDC, E);
return true;
}
bool VisitObjCMessageExpr(ObjCMessageExpr *E) {
if (TypeSourceInfo *Cls = E->getClassReceiverTypeInfo())
IndexCtx.indexTypeSourceInfo(Cls, Parent, ParentDC);
if (ObjCMethodDecl *MD = E->getMethodDecl())
IndexCtx.handleReference(MD, E->getSelectorStartLoc(),
Parent, ParentDC, E,
E->isImplicit() ? CXIdxEntityRef_Implicit
: CXIdxEntityRef_Direct);
return true;
}
bool VisitObjCPropertyRefExpr(ObjCPropertyRefExpr *E) {
if (E->isExplicitProperty())
IndexCtx.handleReference(E->getExplicitProperty(), E->getLocation(),
Parent, ParentDC, E);
// No need to do a handleReference for the objc method, because there will
// be a message expr as part of PseudoObjectExpr.
return true;
}
bool VisitObjCNumericLiteral(ObjCNumericLiteral *E) {
if (ObjCMethodDecl *MD = E->getObjCNumericLiteralMethod())
IndexCtx.handleReference(MD, E->getLocStart(),
Parent, ParentDC, E, CXIdxEntityRef_Implicit);
return true;
}
bool VisitObjCDictionaryLiteral(ObjCDictionaryLiteral *E) {
if (ObjCMethodDecl *MD = E->getDictWithObjectsMethod())
IndexCtx.handleReference(MD, E->getLocStart(),
Parent, ParentDC, E, CXIdxEntityRef_Implicit);
return true;
}
bool VisitObjCArrayLiteral(ObjCArrayLiteral *E) {
if (ObjCMethodDecl *MD = E->getArrayWithObjectsMethod())
IndexCtx.handleReference(MD, E->getLocStart(),
Parent, ParentDC, E, CXIdxEntityRef_Implicit);
return true;
}
bool VisitCXXConstructExpr(CXXConstructExpr *E) {
IndexCtx.handleReference(E->getConstructor(), E->getLocation(),
Parent, ParentDC, E);
return true;
}
bool TraverseCXXOperatorCallExpr(CXXOperatorCallExpr *E) {
if (E->getOperatorLoc().isInvalid())
return true; // implicit.
return base::TraverseCXXOperatorCallExpr(E);
}
bool VisitDeclStmt(DeclStmt *S) {
if (IndexCtx.shouldIndexFunctionLocalSymbols())
IndexCtx.indexDeclGroupRef(S->getDeclGroup());
return true;
}
bool TraverseLambdaCapture(LambdaExpr::Capture C) {
if (C.capturesThis())
return true;
if (IndexCtx.shouldIndexFunctionLocalSymbols())
IndexCtx.handleReference(C.getCapturedVar(), C.getLocation(),
Parent, ParentDC);
return true;
}
};
} // anonymous namespace
void IndexingContext::indexBody(const Stmt *S, const NamedDecl *Parent,
const DeclContext *DC) {
if (!S)
return;
if (DC == 0)
DC = Parent->getLexicalDeclContext();
BodyIndexer(*this, Parent, DC).TraverseStmt(const_cast<Stmt*>(S));
}
|
