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//===--- Analyzer.cpp - Analysis for indexing information -------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements the Analyzer interface.
//
//===----------------------------------------------------------------------===//
#include "clang/Index/Analyzer.h"
#include "clang/Index/Entity.h"
#include "clang/Index/TranslationUnit.h"
#include "clang/Index/Handlers.h"
#include "clang/Index/ASTLocation.h"
#include "clang/Index/DeclReferenceMap.h"
#include "clang/Index/IndexProvider.h"
#include "clang/AST/Decl.h"
#include "llvm/Support/Compiler.h"
using namespace clang;
using namespace idx;
namespace {
//===----------------------------------------------------------------------===//
// DeclEntityAnalyzer Implementation
//===----------------------------------------------------------------------===//
class VISIBILITY_HIDDEN DeclEntityAnalyzer : public TranslationUnitHandler {
Entity Ent;
TULocationHandler &TULocHandler;
public:
DeclEntityAnalyzer(Entity ent, TULocationHandler &handler)
: Ent(ent), TULocHandler(handler) { }
virtual void Handle(TranslationUnit *TU) {
assert(TU && "Passed null translation unit");
Decl *D = Ent.getDecl(TU->getASTContext());
assert(D && "Couldn't resolve Entity");
for (Decl::redecl_iterator I = D->redecls_begin(),
E = D->redecls_end(); I != E; ++I)
TULocHandler.Handle(TULocation(TU, ASTLocation(*I)));
}
};
//===----------------------------------------------------------------------===//
// RefEntityAnalyzer Implementation
//===----------------------------------------------------------------------===//
class VISIBILITY_HIDDEN RefEntityAnalyzer : public TranslationUnitHandler {
Entity Ent;
TULocationHandler &TULocHandler;
public:
RefEntityAnalyzer(Entity ent, TULocationHandler &handler)
: Ent(ent), TULocHandler(handler) { }
virtual void Handle(TranslationUnit *TU) {
assert(TU && "Passed null translation unit");
Decl *D = Ent.getDecl(TU->getASTContext());
assert(D && "Couldn't resolve Entity");
NamedDecl *ND = dyn_cast<NamedDecl>(D);
if (!ND)
return;
DeclReferenceMap &RefMap = TU->getDeclReferenceMap();
for (DeclReferenceMap::astlocation_iterator
I = RefMap.refs_begin(ND), E = RefMap.refs_end(ND); I != E; ++I)
TULocHandler.Handle(TULocation(TU, ASTLocation(*I)));
}
};
} // end anonymous namespace
//===----------------------------------------------------------------------===//
// Analyzer Implementation
//===----------------------------------------------------------------------===//
void Analyzer::FindDeclarations(Decl *D, TULocationHandler &Handler) {
assert(D && "Passed null declaration");
Entity Ent = Entity::get(D, Prog);
if (Ent.isInvalid())
return;
DeclEntityAnalyzer DEA(Ent, Handler);
Idxer.GetTranslationUnitsFor(Ent, DEA);
}
void Analyzer::FindReferences(Decl *D, TULocationHandler &Handler) {
assert(D && "Passed null declaration");
Entity Ent = Entity::get(D, Prog);
if (Ent.isInvalid())
return;
RefEntityAnalyzer REA(Ent, Handler);
Idxer.GetTranslationUnitsFor(Ent, REA);
}
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