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//===--- Indexer.cpp - IndexProvider implementation -------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// IndexProvider implementation.
//
//===----------------------------------------------------------------------===//
#include "clang/Index/Indexer.h"
#include "clang/Index/Program.h"
#include "clang/Index/Entity.h"
#include "clang/Index/Handlers.h"
#include "clang/Index/TranslationUnit.h"
using namespace clang;
using namespace idx;
namespace {
class EntityIndexer : public EntityHandler {
TranslationUnit *TU;
Indexer::MapTy ⤅
public:
EntityIndexer(TranslationUnit *tu, Indexer::MapTy &map) : TU(tu), Map(map) { }
virtual void Handle(Entity Ent) {
if (Ent.isInternalToTU())
return;
Map[Ent].insert(TU);
}
};
} // anonymous namespace
void Indexer::IndexAST(TranslationUnit *TU) {
assert(TU && "Passed null TranslationUnit");
EntityIndexer Idx(TU, Map);
Prog.FindEntities(TU->getASTContext(), Idx);
}
void Indexer::GetTranslationUnitsFor(Entity Ent,
TranslationUnitHandler &Handler) {
assert(Ent.isValid() && "Expected valid Entity");
assert(!Ent.isInternalToTU() &&
"Expected an Entity visible outside of its translation unit");
MapTy::iterator I = Map.find(Ent);
if (I == Map.end())
return;
TUSetTy &Set = I->second;
for (TUSetTy::iterator I = Set.begin(), E = Set.end(); I != E; ++I)
Handler.Handle(*I);
}
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