-Make IndexProvider an abstract interface for getting indexing information.

-Introduce Indexer as an IndexProvider implementation.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@77524 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 59 deletions

diff --git a/lib/Index/IndexProvider.cpp b/lib/Index/IndexProvider.cpp
index 38317eb9c2..eea0988757 100644
--- a/lib/Index/IndexProvider.cpp
+++ b/lib/Index/IndexProvider.cpp
@@ -1,74 +1,20 @@
-//===--- IndexProvider.cpp - Map of entities to translation units ---------===//
+//===- IndexProvider.cpp - Maps information to translation units -*- C++ -*-==//
 //
 //                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
-// License. See LICENSaE.TXT for details.
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
-//  Maps Entities to TranslationUnits
+//  Maps information to TranslationUnits.
 //
 //===----------------------------------------------------------------------===//
 
 #include "clang/Index/IndexProvider.h"
-#include "clang/Index/Program.h"
 #include "clang/Index/Entity.h"
-#include "clang/Index/EntityHandler.h"
-#include "clang/Index/TranslationUnit.h"
 using namespace clang;
 using namespace idx;
 
-class IndexProvider::Indexer : public EntityHandler {
-  TranslationUnit *TU;
-  MapTy ⤅
-  
-public:
-  Indexer(TranslationUnit *tu, MapTy &map) : TU(tu), Map(map) { }
-
-  virtual void HandleEntity(Entity Ent) {
-    if (Ent.isInternalToTU())
-      return;
-
-    MapTy::iterator I = Map.find(Ent);
-    if (I != Map.end()) {
-      I->second.insert(TU);
-      return;
-    }
-    
-    Map[Ent].insert(TU);
-  }
-};
-
-void IndexProvider::IndexAST(TranslationUnit *TU) {
-  Indexer Idx(TU, Map);
-  Prog.FindEntities(TU->getASTContext(), &Idx);
-}
-
-static IndexProvider::TUSetTy EmptySet;
-
-IndexProvider::translation_unit_iterator
-IndexProvider::translation_units_begin(Entity Ent) const {
-  MapTy::iterator I = Map.find(Ent);
-  if (I == Map.end())
-    return EmptySet.begin();
-  
-  return I->second.begin();
-}
-
-IndexProvider::translation_unit_iterator
-IndexProvider::translation_units_end(Entity Ent) const {
-  MapTy::iterator I = Map.find(Ent);
-  if (I == Map.end())
-    return EmptySet.end();
-  
-  return I->second.end();
-}
-
-bool IndexProvider::translation_units_empty(Entity Ent) const {
-  MapTy::iterator I = Map.find(Ent);
-  if (I == Map.end())
-    return true;
-
-  return I->second.begin() == I->second.end();
-}
+// Out-of-line to give the virtual table a home.
+IndexProvider::~IndexProvider() { }