blob: 26ec7d123d0c14a364c78ebdc89e611fa52a9d8f [file] [log] [blame]
//===- 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 "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 VisitObjCBoxedExpr(ObjCBoxedExpr *E) {
if (ObjCMethodDecl *MD = E->getBoxingMethod())
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 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));
}