-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, 7 insertions, 28 deletions

diff --git a/include/clang/Index/IndexProvider.h b/include/clang/Index/IndexProvider.h
index ab86474f9a..bf776eee4f 100644
--- a/include/clang/Index/IndexProvider.h
+++ b/include/clang/Index/IndexProvider.h
@@ -1,4 +1,4 @@
-//===--- IndexProvider.h - Map of entities to translation units -*- C++ -*-===//
+//===--- IndexProvider.h - Maps information to translation units -*- C++ -*-==//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -7,46 +7,25 @@
 //
 //===----------------------------------------------------------------------===//
 //
-//  Maps Entities to TranslationUnits
+//  Maps information to TranslationUnits.
 //
 //===----------------------------------------------------------------------===//
 
 #ifndef LLVM_CLANG_INDEX_INDEXPROVIDER_H
 #define LLVM_CLANG_INDEX_INDEXPROVIDER_H
 
-#include "llvm/ADT/SmallPtrSet.h"
-#include <map>
-
 namespace clang {
 
 namespace idx {
-  class Program;
   class Entity;
-  class TranslationUnit;
+  class TranslationUnitHandler;
 
-/// \brief Maps Entities to TranslationUnits.
+/// \brief Maps information to TranslationUnits.
 class IndexProvider {
 public:
-  typedef llvm::SmallPtrSet<TranslationUnit *, 4> TUSetTy;
-  typedef std::map<Entity, TUSetTy> MapTy;
-  class Indexer;
-
-  explicit IndexProvider(Program &prog) : Prog(prog) { }
-
-  Program &getProgram() const { return Prog; }
-
-  /// \brief Find all Entities and map them to the given translation unit.
-  void IndexAST(TranslationUnit *TU);
-
-  typedef TUSetTy::iterator translation_unit_iterator;
-
-  translation_unit_iterator translation_units_begin(Entity Ent) const;
-  translation_unit_iterator translation_units_end(Entity Ent) const;
-  bool translation_units_empty(Entity Ent) const;
-  
-private:
-  Program &Prog;
-  mutable MapTy Map;
+  virtual ~IndexProvider();
+  virtual void GetTranslationUnitsFor(Entity Ent,
+                                      TranslationUnitHandler *Handler) = 0;
 };
 
 } // namespace idx