Remove the unused, unmaintained, incomplete 'Index' library.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154672 91177308-0d34-0410-b5e6-96231b3b80d8

15 files changed, 0 insertions, 1101 deletions

diff --git a/include/clang/Frontend/ASTUnit.h b/include/clang/Frontend/ASTUnit.h
index 5e4ecadd69..041eabb5b9 100644
--- a/include/clang/Frontend/ASTUnit.h
+++ b/include/clang/Frontend/ASTUnit.h
@@ -14,7 +14,6 @@
 #ifndef LLVM_CLANG_FRONTEND_ASTUNIT_H
 #define LLVM_CLANG_FRONTEND_ASTUNIT_H
 
-#include "clang/Index/ASTLocation.h"
 #include "clang/Serialization/ASTBitCodes.h"
 #include "clang/Sema/Sema.h"
 #include "clang/Sema/CodeCompleteConsumer.h"
@@ -57,8 +56,6 @@ class SourceManager;
 class TargetInfo;
 class ASTFrontendAction;
 
-using namespace idx;
-  
 /// \brief Utility class for loading a ASTContext from an AST file.
 ///
 class ASTUnit : public ModuleLoader {
@@ -134,9 +131,6 @@ private:
   /// The name of the original source file used to generate this ASTUnit.
   std::string OriginalSourceFile;
 
-  // Critical optimization when using clang_getCursor().
-  ASTLocation LastLoc;
-
   /// \brief The set of diagnostics produced when creating the preamble.
   SmallVector<StoredDiagnostic, 4> PreambleDiagnostics;
 
@@ -474,10 +468,6 @@ public:
   bool getOwnsRemappedFileBuffers() const { return OwnsRemappedFileBuffers; }
   void setOwnsRemappedFileBuffers(bool val) { OwnsRemappedFileBuffers = val; }
 
-  void setLastASTLocation(ASTLocation ALoc) { LastLoc = ALoc; }
-  ASTLocation getLastASTLocation() const { return LastLoc; }
-
-
   StringRef getMainFileName() const;
 
   typedef std::vector<Decl *>::iterator top_level_iterator;
diff --git a/include/clang/Index/ASTLocation.h b/include/clang/Index/ASTLocation.h
deleted file mode 100644
index 45097cc5c3..0000000000
--- a/include/clang/Index/ASTLocation.h
+++ /dev/null
@@ -1,173 +0,0 @@
-//===--- ASTLocation.h - A <Decl, Stmt> pair --------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-//  ASTLocation is Decl or a Stmt and its immediate Decl parent.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_INDEX_ASTLOCATION_H
-#define LLVM_CLANG_INDEX_ASTLOCATION_H
-
-#include "clang/AST/TypeLoc.h"
-#include "llvm/ADT/PointerIntPair.h"
-#include "llvm/Support/Compiler.h"
-
-namespace clang {
-  class Decl;
-  class Stmt;
-  class NamedDecl;
-
-namespace idx {
-  class TranslationUnit;
-
-/// \brief Represents a Decl or a Stmt and its immediate Decl parent. It's
-/// immutable.
-///
-/// ASTLocation is intended to be used as a "pointer" into the AST. It is either
-/// just a Decl, or a Stmt and its Decl parent. Since a single Stmt is devoid
-/// of context, its parent Decl provides all the additional missing information
-/// like the declaration context, ASTContext, etc.
-///
-class ASTLocation {
-public:
-  enum NodeKind {
-    N_Decl, N_NamedRef, N_Stmt, N_Type
-  };
-
-  struct NamedRef {
-    NamedDecl *ND;
-    SourceLocation Loc;
-
-    NamedRef() : ND(0) { }
-    NamedRef(NamedDecl *nd, SourceLocation loc) : ND(nd), Loc(loc) { }
-  };
-
-private:
-  llvm::PointerIntPair<Decl *, 2, NodeKind> ParentDecl;
-
-  union {
-    Decl *D;
-    Stmt *Stm;
-    struct {
-      NamedDecl *ND;
-      unsigned RawLoc;
-    } NDRef;
-    struct {
-      void *TyPtr;
-      void *Data;
-    } Ty;
-  };
-
-public:
-  ASTLocation() { }
-
-  explicit ASTLocation(const Decl *d)
-    : ParentDecl(const_cast<Decl*>(d), N_Decl), D(const_cast<Decl*>(d)) { }
-
-  ASTLocation(const Decl *parentDecl, const Stmt *stm)
-    : ParentDecl(const_cast<Decl*>(parentDecl), N_Stmt),
-      Stm(const_cast<Stmt*>(stm)) {
-    if (!stm) ParentDecl.setPointer(0);
-  }
-
-  ASTLocation(const Decl *parentDecl, NamedDecl *ndRef, SourceLocation loc)
-    : ParentDecl(const_cast<Decl*>(parentDecl), N_NamedRef) {
-    if (ndRef) {
-      NDRef.ND = ndRef;
-      NDRef.RawLoc = loc.getRawEncoding();
-    } else
-      ParentDecl.setPointer(0);
-  }
-
-  ASTLocation(const Decl *parentDecl, TypeLoc tyLoc)
-    : ParentDecl(const_cast<Decl*>(parentDecl), N_Type) {
-    if (tyLoc) {
-      Ty.TyPtr = tyLoc.getType().getAsOpaquePtr();
-      Ty.Data = tyLoc.getOpaqueData();
-    } else
-      ParentDecl.setPointer(0);
-  }
-
-  bool isValid() const { return ParentDecl.getPointer() != 0; }
-  bool isInvalid() const { return !isValid(); }
-
-  NodeKind getKind() const {
-    assert(isValid());
-    return (NodeKind)ParentDecl.getInt();
-  }
-
-  Decl *getParentDecl() const { return ParentDecl.getPointer(); }
-
-  Decl *AsDecl() const {
-    assert(getKind() == N_Decl);
-    return D;
-  }
-  Stmt *AsStmt() const {
-    assert(getKind() == N_Stmt);
-    return Stm;
-  }
-  NamedRef AsNamedRef() const {
-    assert(getKind() == N_NamedRef);
-    return NamedRef(NDRef.ND, SourceLocation::getFromRawEncoding(NDRef.RawLoc));
-  }
-  TypeLoc AsTypeLoc() const {
-    assert(getKind() == N_Type);
-    return TypeLoc(QualType::getFromOpaquePtr(Ty.TyPtr), Ty.Data);
-  }
-
-  Decl *dyn_AsDecl() const { return isValid() && getKind() == N_Decl ? D : 0; }
-  Stmt *dyn_AsStmt() const {
-    return isValid() && getKind() == N_Stmt ? Stm : 0;
-  }
-  NamedRef dyn_AsNamedRef() const {
-    return getKind() == N_Type ? AsNamedRef() : NamedRef();
-  }
-  TypeLoc dyn_AsTypeLoc() const {
-    return getKind() == N_Type ? AsTypeLoc() : TypeLoc();
-  }
-
-  bool isDecl() const { return isValid() && getKind() == N_Decl; }
-  bool isStmt() const { return isValid() && getKind() == N_Stmt; }
-  bool isNamedRef() const { return isValid() && getKind() == N_NamedRef; }
-  bool isType() const { return isValid() && getKind() == N_Type; }
-
-  /// \brief Returns the declaration that this ASTLocation references.
-  ///
-  /// If this points to a Decl, that Decl is returned.
-  /// If this points to an Expr that references a Decl, that Decl is returned,
-  /// otherwise it returns NULL.
-  Decl *getReferencedDecl();
-  const Decl *getReferencedDecl() const {
-    return const_cast<ASTLocation*>(this)->getReferencedDecl();
-  }
-
-  SourceRange getSourceRange() const LLVM_READONLY;
-
-  void print(raw_ostream &OS) const;
-};
-
-/// \brief Like ASTLocation but also contains the TranslationUnit that the
-/// ASTLocation originated from.
-class TULocation : public ASTLocation {
-  TranslationUnit *TU;
-
-public:
-  TULocation(TranslationUnit *tu, ASTLocation astLoc)
-    : ASTLocation(astLoc), TU(tu) {
-    assert(tu && "Passed null translation unit");
-  }
-
-  TranslationUnit *getTU() const { return TU; }
-};
-
-} // namespace idx
-
-} // namespace clang
-
-#endif
diff --git a/include/clang/Index/Analyzer.h b/include/clang/Index/Analyzer.h
deleted file mode 100644
index f6b5465148..0000000000
--- a/include/clang/Index/Analyzer.h
+++ /dev/null
@@ -1,56 +0,0 @@
-//===--- Analyzer.h - 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 declares the Analyzer interface.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_INDEX_ANALYZER_H
-#define LLVM_CLANG_INDEX_ANALYZER_H
-
-namespace clang {
-  class Decl;
-  class ObjCMessageExpr;
-
-namespace idx {
-  class Program;
-  class IndexProvider;
-  class TULocationHandler;
-
-/// \brief Provides indexing information, like finding all references of an
-/// Entity across translation units.
-class Analyzer {
-  Program &Prog;
-  IndexProvider &Idxer;
-
-  Analyzer(const Analyzer&); // do not implement
-  Analyzer &operator=(const Analyzer &); // do not implement
-
-public:
-  explicit Analyzer(Program &prog, IndexProvider &idxer)
-    : Prog(prog), Idxer(idxer) { }
-
-  /// \brief Find all TULocations for declarations of the given Decl and pass
-  /// them to Handler.
-  void FindDeclarations(Decl *D, TULocationHandler &Handler);
-
-  /// \brief Find all TULocations for references of the given Decl and pass
-  /// them to Handler.
-  void FindReferences(Decl *D, TULocationHandler &Handler);
-
-  /// \brief Find methods that may respond to the given message and pass them
-  /// to Handler.
-  void FindObjCMethods(ObjCMessageExpr *MsgE, TULocationHandler &Handler);
-};
-
-} // namespace idx
-
-} // namespace clang
-
-#endif
diff --git a/include/clang/Index/DeclReferenceMap.h b/include/clang/Index/DeclReferenceMap.h
deleted file mode 100644
index 73f2fe50b3..0000000000
--- a/include/clang/Index/DeclReferenceMap.h
+++ /dev/null
@@ -1,50 +0,0 @@
-//===--- DeclReferenceMap.h - Map Decls to their references -----*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-//  DeclReferenceMap creates a mapping from Decls to the ASTLocations that
-//  reference them.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_INDEX_DECLREFERENCEMAP_H
-#define LLVM_CLANG_INDEX_DECLREFERENCEMAP_H
-
-#include "clang/Index/ASTLocation.h"
-#include "clang/Index/STLExtras.h"
-#include <map>
-
-namespace clang {
-  class ASTContext;
-  class NamedDecl;
-
-namespace idx {
-
-/// \brief Maps NamedDecls with the ASTLocations that reference them.
-///
-/// References are mapped and retrieved using the canonical decls.
-class DeclReferenceMap {
-public:
-  explicit DeclReferenceMap(ASTContext &Ctx);
-
-  typedef std::multimap<NamedDecl*, ASTLocation> MapTy;
-  typedef pair_value_iterator<MapTy::iterator> astlocation_iterator;
-
-  astlocation_iterator refs_begin(NamedDecl *D) const;
-  astlocation_iterator refs_end(NamedDecl *D) const;
-  bool refs_empty(NamedDecl *D) const;
-
-private:
-  mutable MapTy Map;
-};
-
-} // end idx namespace
-
-} // end clang namespace
-
-#endif
diff --git a/include/clang/Index/Entity.h b/include/clang/Index/Entity.h
deleted file mode 100644
index d104458ec2..0000000000
--- a/include/clang/Index/Entity.h
+++ /dev/null
@@ -1,149 +0,0 @@
-//===--- Entity.h - Cross-translation-unit "token" for decls ----*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-//  Entity is a ASTContext-independent way to refer to declarations that are
-//  visible across translation units.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_INDEX_ENTITY_H
-#define LLVM_CLANG_INDEX_ENTITY_H
-
-#include "clang/Basic/LLVM.h"
-#include "llvm/ADT/PointerUnion.h"
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/StringRef.h"
-#include <string>
-
-namespace clang {
-  class ASTContext;
-  class Decl;
-
-namespace idx {
-  class Program;
-  class EntityImpl;
-
-/// \brief A ASTContext-independent way to refer to declarations.
-///
-/// Entity is basically the link for declarations that are semantically the same
-/// in multiple ASTContexts. A client will convert a Decl into an Entity and
-/// later use that Entity to find the "same" Decl into another ASTContext.
-/// Declarations that are semantically the same and visible across translation
-/// units will be associated with the same Entity.
-///
-/// An Entity may also refer to declarations that cannot be visible across
-/// translation units, e.g. static functions with the same name in multiple
-/// translation units will be associated with different Entities.
-///
-/// Entities can be checked for equality but note that the same Program object
-/// should be used when getting Entities.
-///
-class Entity {
-  /// \brief Stores the Decl directly if it is not visible outside of its own
-  /// translation unit, otherwise it stores the associated EntityImpl.
-  llvm::PointerUnion<Decl *, EntityImpl *> Val;
-
-  explicit Entity(Decl *D);
-  explicit Entity(EntityImpl *impl) : Val(impl) { }
-  friend class EntityGetter;
-
-public:
-  Entity() { }
-
-  /// \brief Find the Decl that can be referred to by this entity.
-  Decl *getDecl(ASTContext &AST) const;
-
-  /// \brief If this Entity represents a declaration that is internal to its
-  /// translation unit, getInternalDecl() returns it.
-  Decl *getInternalDecl() const {
-    assert(isInternalToTU() && "This Entity is not internal!");
-    return Val.get<Decl *>();
-  }
-
-  /// \brief Get a printable name for debugging purpose.
-  std::string getPrintableName() const;
-
-  /// \brief Get an Entity associated with the given Decl.
-  /// \returns invalid Entity if an Entity cannot refer to this Decl.
-  static Entity get(Decl *D, Program &Prog);
-
-  /// \brief Get an Entity associated with a name in the global namespace.
-  static Entity get(StringRef Name, Program &Prog);
-
-  /// \brief true if the Entity is not visible outside the trasnlation unit.
-  bool isInternalToTU() const {
-    assert(isValid() && "This Entity is not valid!");
-    return Val.is<Decl *>();
-  }
-
-  bool isValid() const { return !Val.isNull(); }
-  bool isInvalid() const { return !isValid(); }
-
-  void *getAsOpaquePtr() const { return Val.getOpaqueValue(); }
-  static Entity getFromOpaquePtr(void *Ptr) {
-    Entity Ent;
-    Ent.Val = llvm::PointerUnion<Decl *, EntityImpl *>::getFromOpaqueValue(Ptr);
-    return Ent;
-  }
-
-  friend bool operator==(const Entity &LHS, const Entity &RHS) {
-    return LHS.getAsOpaquePtr() == RHS.getAsOpaquePtr();
-  }
-
-  // For use in a std::map.
-  friend bool operator < (const Entity &LHS, const Entity &RHS) {
-    return LHS.getAsOpaquePtr() < RHS.getAsOpaquePtr();
-  }
-
-  // For use in DenseMap/DenseSet.
-  static Entity getEmptyMarker() {
-    Entity Ent;
-    Ent.Val =
-      llvm::PointerUnion<Decl *, EntityImpl *>::getFromOpaqueValue((void*)-1);
-    return Ent;
-  }
-  static Entity getTombstoneMarker() {
-    Entity Ent;
-    Ent.Val =
-      llvm::PointerUnion<Decl *, EntityImpl *>::getFromOpaqueValue((void*)-2);
-    return Ent;
-  }
-};
-
-} // namespace idx
-
-} // namespace clang
-
-namespace llvm {
-/// Define DenseMapInfo so that Entities can be used as keys in DenseMap and
-/// DenseSets.
-template<>
-struct DenseMapInfo<clang::idx::Entity> {
-  static inline clang::idx::Entity getEmptyKey() {
-    return clang::idx::Entity::getEmptyMarker();
-  }
-
-  static inline clang::idx::Entity getTombstoneKey() {
-    return clang::idx::Entity::getTombstoneMarker();
-  }
-
-  static unsigned getHashValue(clang::idx::Entity);
-
-  static inline bool
-  isEqual(clang::idx::Entity LHS, clang::idx::Entity RHS) {
-    return LHS == RHS;
-  }
-};
-  
-template <>
-struct isPodLike<clang::idx::Entity> { static const bool value = true; };
-
-}  // end namespace llvm
-
-#endif
diff --git a/include/clang/Index/GlobalCallGraph.h b/include/clang/Index/GlobalCallGraph.h
deleted file mode 100644
index 7ba1cceac1..0000000000
--- a/include/clang/Index/GlobalCallGraph.h
+++ /dev/null
@@ -1,149 +0,0 @@
-//== GlobalCallGraph.h - Call graph building --------------------*- C++ -*--==//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-//  This file defined the CallGraph and CallGraphNode classes.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_INDEX_CALLGRAPH
-#define LLVM_CLANG_INDEX_CALLGRAPH
-
-#include "clang/Index/ASTLocation.h"
-#include "clang/Index/Entity.h"
-#include "clang/Index/Program.h"
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/GraphTraits.h"
-#include "llvm/ADT/STLExtras.h"
-#include <vector>
-#include <map>
-
-using namespace clang;
-
-namespace clang {
-namespace idx {
-
-class CallGraphNode {
-  Entity F;
-  typedef std::pair<ASTLocation, CallGraphNode*> CallRecord;
-  std::vector<CallRecord> CalledFunctions;
-
-public:
-  CallGraphNode(Entity f) : F(f) {}
-
-  typedef std::vector<CallRecord>::iterator iterator;
-  typedef std::vector<CallRecord>::const_iterator const_iterator;
-
-  iterator begin() { return CalledFunctions.begin(); }
-  iterator end()   { return CalledFunctions.end(); }
-  const_iterator begin() const { return CalledFunctions.begin(); }
-  const_iterator end()   const { return CalledFunctions.end();   }
-
-  void addCallee(ASTLocation L, CallGraphNode *Node) {
-    CalledFunctions.push_back(std::make_pair(L, Node));
-  }
-
-  bool hasCallee() const { return begin() != end(); }
-
-  std::string getName() const { return F.getPrintableName(); }
-
-  Decl *getDecl(ASTContext &Ctx) const { return F.getDecl(Ctx); }
-};
-
-class CallGraph {
-  /// Program manages all Entities.
-  Program &Prog;
-
-  typedef std::map<Entity, CallGraphNode *> FunctionMapTy;
-
-  /// FunctionMap owns all CallGraphNodes.
-  FunctionMapTy FunctionMap;
-
-  /// CallerCtx maps a caller to its ASTContext.
-  llvm::DenseMap<CallGraphNode *, ASTContext *> CallerCtx;
-
-  /// Root node is the 'main' function or 0.
-  CallGraphNode *Root;
-
-  /// ExternalCallingNode has edges to all external functions.
-  CallGraphNode *ExternalCallingNode;
-
-public:
-  CallGraph(Program &P);
-  ~CallGraph();
-
-  typedef FunctionMapTy::iterator iterator;
-  typedef FunctionMapTy::const_iterator const_iterator;
-
-  iterator begin() { return FunctionMap.begin(); }
-  iterator end()   { return FunctionMap.end();   }
-  const_iterator begin() const { return FunctionMap.begin(); }
-  const_iterator end()   const { return FunctionMap.end();   }
-
-  CallGraphNode *getRoot() { return Root; }
-
-  CallGraphNode *getExternalCallingNode() { return ExternalCallingNode; }
-
-  void addTU(ASTContext &AST);
-
-  Program &getProgram() { return Prog; }
-
-  CallGraphNode *getOrInsertFunction(idx::Entity F);
-
-  Decl *getDecl(CallGraphNode *Node);
-
-  void print(raw_ostream &os);
-  void dump();
-
-  void ViewCallGraph() const;
-};
-
-}} // end clang idx namespace
-
-namespace llvm {
-
-template <> struct GraphTraits<clang::idx::CallGraph> {
-  typedef clang::idx::CallGraph GraphType;
-  typedef clang::idx::CallGraphNode NodeType;
-
-  typedef std::pair<clang::idx::ASTLocation, NodeType*> CGNPairTy;
-  typedef std::pointer_to_unary_function<CGNPairTy, NodeType*> CGNDerefFun;
-
-  typedef mapped_iterator<NodeType::iterator, CGNDerefFun> ChildIteratorType;
-
-  static NodeType *getEntryNode(GraphType *CG) {
-    return CG->getExternalCallingNode();
-  }
-
-  static ChildIteratorType child_begin(NodeType *N) {
-    return map_iterator(N->begin(), CGNDerefFun(CGNDeref));
-  }
-  static ChildIteratorType child_end(NodeType *N) {
-    return map_iterator(N->end(), CGNDerefFun(CGNDeref));
-  }
-
-  typedef std::pair<clang::idx::Entity, NodeType*> PairTy;
-  typedef std::pointer_to_unary_function<PairTy, NodeType*> DerefFun;
-
-  typedef mapped_iterator<GraphType::const_iterator, DerefFun> nodes_iterator;
-
-  static nodes_iterator nodes_begin(const GraphType &CG) {
-    return map_iterator(CG.begin(), DerefFun(CGDeref));
-  }
-  static nodes_iterator nodes_end(const GraphType &CG) {
-    return map_iterator(CG.end(), DerefFun(CGDeref));
-  }
-
-  static NodeType *CGNDeref(CGNPairTy P) { return P.second; }
-
-  static NodeType *CGDeref(PairTy P) { return P.second; }
-};
-
-} // end llvm namespace
-
-#endif
diff --git a/include/clang/Index/GlobalSelector.h b/include/clang/Index/GlobalSelector.h
deleted file mode 100644
index 9cd83a8595..0000000000
--- a/include/clang/Index/GlobalSelector.h
+++ /dev/null
@@ -1,100 +0,0 @@
-//===--- GlobalSelector.h - Cross-translation-unit "token" for selectors --===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-//  GlobalSelector is a ASTContext-independent way to refer to selectors.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_INDEX_GLOBALSELECTOR_H
-#define LLVM_CLANG_INDEX_GLOBALSELECTOR_H
-
-#include "llvm/ADT/DenseMap.h"
-#include <string>
-
-namespace clang {
-  class ASTContext;
-  class Selector;
-
-namespace idx {
-  class Program;
-
-/// \brief A ASTContext-independent way to refer to selectors.
-class GlobalSelector {
-  void *Val;
-
-  explicit GlobalSelector(void *val) : Val(val) { }
-
-public:
-  GlobalSelector() : Val(0) { }
-
-  /// \brief Get the ASTContext-specific selector.
-  Selector getSelector(ASTContext &AST) const;
-
-  bool isValid() const { return Val != 0; }
-  bool isInvalid() const { return !isValid(); }
-
-  /// \brief Get a printable name for debugging purpose.
-  std::string getPrintableName() const;
-
-  /// \brief Get a GlobalSelector for the ASTContext-specific selector.
-  static GlobalSelector get(Selector Sel, Program &Prog);
-
-  void *getAsOpaquePtr() const { return Val; }
-
-  static GlobalSelector getFromOpaquePtr(void *Ptr) {
-    return GlobalSelector(Ptr);
-  }
-
-  friend bool operator==(const GlobalSelector &LHS, const GlobalSelector &RHS) {
-    return LHS.getAsOpaquePtr() == RHS.getAsOpaquePtr();
-  }
-
-  // For use in a std::map.
-  friend bool operator< (const GlobalSelector &LHS, const GlobalSelector &RHS) {
-    return LHS.getAsOpaquePtr() < RHS.getAsOpaquePtr();
-  }
-
-  // For use in DenseMap/DenseSet.
-  static GlobalSelector getEmptyMarker() { return GlobalSelector((void*)-1); }
-  static GlobalSelector getTombstoneMarker() {
-    return GlobalSelector((void*)-2);
-  }
-};
-
-} // namespace idx
-
-} // namespace clang
-
-namespace llvm {
-/// Define DenseMapInfo so that GlobalSelectors can be used as keys in DenseMap
-/// and DenseSets.
-template<>
-struct DenseMapInfo<clang::idx::GlobalSelector> {
-  static inline clang::idx::GlobalSelector getEmptyKey() {
-    return clang::idx::GlobalSelector::getEmptyMarker();
-  }
-
-  static inline clang::idx::GlobalSelector getTombstoneKey() {
-    return clang::idx::GlobalSelector::getTombstoneMarker();
-  }
-
-  static unsigned getHashValue(clang::idx::GlobalSelector);
-
-  static inline bool
-  isEqual(clang::idx::GlobalSelector LHS, clang::idx::GlobalSelector RHS) {
-    return LHS == RHS;
-  }
-};
-  
-template <>
-struct isPodLike<clang::idx::GlobalSelector> { static const bool value = true;};
-
-}  // end namespace llvm
-
-#endif
diff --git a/include/clang/Index/Handlers.h b/include/clang/Index/Handlers.h
deleted file mode 100644
index 1e017f8a7c..0000000000
--- a/include/clang/Index/Handlers.h
+++ /dev/null
@@ -1,82 +0,0 @@
-//===--- Handlers.h - Interfaces for receiving information ------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-//  Abstract interfaces for receiving information.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_INDEX_HANDLERS_H
-#define LLVM_CLANG_INDEX_HANDLERS_H
-
-#include "clang/Basic/LLVM.h"
-#include "llvm/ADT/SmallVector.h"
-
-namespace clang {
-
-namespace idx {
-  class Entity;
-  class TranslationUnit;
-  class TULocation;
-
-/// \brief Abstract interface for receiving Entities.
-class EntityHandler {
-public:
-  typedef Entity receiving_type;
-
-  virtual ~EntityHandler();
-  virtual void Handle(Entity Ent) = 0;
-};
-
-/// \brief Abstract interface for receiving TranslationUnits.
-class TranslationUnitHandler {
-public:
-  typedef TranslationUnit* receiving_type;
-
-  virtual ~TranslationUnitHandler();
-  virtual void Handle(TranslationUnit *TU) = 0;
-};
-
-/// \brief Abstract interface for receiving TULocations.
-class TULocationHandler {
-public:
-  typedef TULocation receiving_type;
-
-  virtual ~TULocationHandler();
-  virtual void Handle(TULocation TULoc) = 0;
-};
-
-/// \brief Helper for the Handler classes. Stores the objects into a vector.
-/// example:
-/// @code
-/// Storing<TranslationUnitHandler> TURes;
-/// IndexProvider.GetTranslationUnitsFor(Entity, TURes);
-/// for (Storing<TranslationUnitHandler>::iterator
-///   I = TURes.begin(), E = TURes.end(); I != E; ++I) { ....
-/// @endcode
-template <typename handler_type>
-class Storing : public handler_type {
-  typedef typename handler_type::receiving_type receiving_type;
-  typedef SmallVector<receiving_type, 8> StoreTy;
-  StoreTy Store;
-
-public:
-  virtual void Handle(receiving_type Obj) {
-    Store.push_back(Obj);
-  }
-
-  typedef typename StoreTy::const_iterator iterator;
-  iterator begin() const { return Store.begin(); }
-  iterator end() const { return Store.end(); }
-};
-
-} // namespace idx
-
-} // namespace clang
-
-#endif
diff --git a/include/clang/Index/IndexProvider.h b/include/clang/Index/IndexProvider.h
deleted file mode 100644
index 187dd9393c..0000000000
--- a/include/clang/Index/IndexProvider.h
+++ /dev/null
@@ -1,38 +0,0 @@
-//===--- IndexProvider.h - Maps information to translation units -*- C++ -*-==//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-//  Maps information to TranslationUnits.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_INDEX_INDEXPROVIDER_H
-#define LLVM_CLANG_INDEX_INDEXPROVIDER_H
-
-namespace clang {
-
-namespace idx {
-  class Entity;
-  class TranslationUnitHandler;
-  class GlobalSelector;
-
-/// \brief Maps information to TranslationUnits.
-class IndexProvider {
-public:
-  virtual ~IndexProvider();
-  virtual void GetTranslationUnitsFor(Entity Ent,
-                                      TranslationUnitHandler &Handler) = 0;
-  virtual void GetTranslationUnitsFor(GlobalSelector Sel,
-                                      TranslationUnitHandler &Handler) = 0;
-};
-
-} // namespace idx
-
-} // namespace clang
-
-#endif
diff --git a/include/clang/Index/Indexer.h b/include/clang/Index/Indexer.h
deleted file mode 100644
index 96c585df24..0000000000
--- a/include/clang/Index/Indexer.h
+++ /dev/null
@@ -1,71 +0,0 @@
-//===--- Indexer.h - 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.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_INDEX_INDEXER_H
-#define LLVM_CLANG_INDEX_INDEXER_H
-
-#include "clang/Index/IndexProvider.h"
-#include "clang/Index/Entity.h"
-#include "clang/Index/GlobalSelector.h"
-#include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/ADT/DenseMap.h"
-#include <map>
-
-namespace clang {
-  class ASTContext;
-  class FunctionDecl;
-
-namespace idx {
-  class Program;
-  class TranslationUnit;
-
-/// \brief Maps information to TranslationUnits.
-class Indexer : public IndexProvider {
-public:
-  typedef llvm::SmallPtrSet<TranslationUnit *, 4> TUSetTy;
-  typedef llvm::DenseMap<ASTContext *, TranslationUnit *> CtxTUMapTy;
-  typedef std::map<Entity, TUSetTy> MapTy;
-  typedef std::map<GlobalSelector, TUSetTy> SelMapTy;
-  typedef std::map<Entity, std::pair<FunctionDecl*,TranslationUnit*> > DefMapTy;
-
-  explicit Indexer(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);
-
-  virtual void GetTranslationUnitsFor(Entity Ent,
-                                      TranslationUnitHandler &Handler);
-  virtual void GetTranslationUnitsFor(GlobalSelector Sel,
-                                      TranslationUnitHandler &Handler);
-
-  std::pair<FunctionDecl*, TranslationUnit*> getDefinitionFor(Entity Ent);
-
-private:
-  Program &Prog;
-
-  MapTy Map;
-  // Map a function Entity to the its definition.
-  DefMapTy DefMap;
-
-  CtxTUMapTy CtxTUMap;
-  SelMapTy SelMap;
-};
-
-} // namespace idx
-
-} // namespace clang
-
-#endif
diff --git a/include/clang/Index/Program.h b/include/clang/Index/Program.h
deleted file mode 100644
index 8039192512..0000000000
--- a/include/clang/Index/Program.h
+++ /dev/null
@@ -1,45 +0,0 @@
-//===--- Program.h - Cross-translation unit 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 declares the idx::Program interface.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_INDEX_PROGRAM_H
-#define LLVM_CLANG_INDEX_PROGRAM_H
-
-namespace clang {
-  class ASTContext;
-
-namespace idx {
-  class EntityHandler;
-
-/// \brief Top level object that owns and maintains information
-/// that is common across translation units.
-class Program {
-  void *Impl;
-
-  Program(const Program&); // do not implement
-  Program &operator=(const Program &); // do not implement
-  friend class Entity;
-  friend class GlobalSelector;
-
-public:
-  Program();
-  ~Program();
-
-  /// \brief Traverses the AST and passes all the entities to the Handler.
-  void FindEntities(ASTContext &Ctx, EntityHandler &Handler);
-};
-
-} // namespace idx
-
-} // namespace clang
-
-#endif
diff --git a/include/clang/Index/STLExtras.h b/include/clang/Index/STLExtras.h
deleted file mode 100644
index a3693c6c79..0000000000
--- a/include/clang/Index/STLExtras.h
+++ /dev/null
@@ -1,63 +0,0 @@
-//===--- STLExtras.h - Helper STL related templates -------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-//  Helper templates for using with the STL.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_INDEX_STLEXTRAS_H
-#define LLVM_CLANG_INDEX_STLEXTRAS_H
-
-namespace clang {
-
-namespace idx {
-
-/// \brief Wraps an iterator whose value_type is a pair, and provides
-/// pair's second object as the value.
-template <typename iter_type>
-class pair_value_iterator {
-  iter_type I;
-
-public:
-  typedef typename iter_type::value_type::second_type value_type;
-  typedef value_type& reference;
-  typedef value_type* pointer;
-  typedef typename iter_type::iterator_category iterator_category;
-  typedef typename iter_type::difference_type   difference_type;
-
-  pair_value_iterator() { }
-  pair_value_iterator(iter_type i) : I(i) { }
-
-  reference operator*() const { return I->second; }
-  pointer operator->() const { return &I->second; }
-
-  pair_value_iterator& operator++() {
-    ++I;
-    return *this;
-  }
-
-  pair_value_iterator operator++(int) {
-    pair_value_iterator tmp(*this);
-    ++(*this);
-    return tmp;
-  }
-
-  friend bool operator==(pair_value_iterator L, pair_value_iterator R) {
-    return L.I == R.I;
-  }
-  friend bool operator!=(pair_value_iterator L, pair_value_iterator R) {
-    return L.I != R.I;
-  }
-};
-
-} // end idx namespace
-
-} // end clang namespace
-
-#endif
diff --git a/include/clang/Index/SelectorMap.h b/include/clang/Index/SelectorMap.h
deleted file mode 100644
index be01702fcb..0000000000
--- a/include/clang/Index/SelectorMap.h
+++ /dev/null
@@ -1,57 +0,0 @@
-//===--- SelectorMap.h - Maps selectors to methods and messages -*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-//  SelectorMap creates a mapping from selectors to ObjC method declarations
-//  and ObjC message expressions.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_INDEX_SELECTORMAP_H
-#define LLVM_CLANG_INDEX_SELECTORMAP_H
-
-#include "clang/Index/ASTLocation.h"
-#include "clang/Index/STLExtras.h"
-#include "clang/Basic/IdentifierTable.h"
-#include <map>
-
-namespace clang {
-  class ASTContext;
-  class ObjCMethodDecl;
-
-namespace idx {
-
-/// \brief Maps NamedDecls with the ASTLocations that reference them.
-///
-/// References are mapped and retrieved using the canonical decls.
-class SelectorMap {
-public:
-  explicit SelectorMap(ASTContext &Ctx);
-
-  typedef std::multimap<Selector, ObjCMethodDecl *> SelMethMapTy;
-  typedef std::multimap<Selector, ASTLocation> SelRefMapTy;
-
-  typedef pair_value_iterator<SelMethMapTy::iterator> method_iterator;
-  typedef pair_value_iterator<SelRefMapTy::iterator> astlocation_iterator;
-
-  method_iterator methods_begin(Selector Sel) const;
-  method_iterator methods_end(Selector Sel) const;
-
-  astlocation_iterator refs_begin(Selector Sel) const;
-  astlocation_iterator refs_end(Selector Sel) const;
-
-private:
-  mutable SelMethMapTy SelMethMap;
-  mutable SelRefMapTy SelRefMap;
-};
-
-} // end idx namespace
-
-} // end clang namespace
-
-#endif
diff --git a/include/clang/Index/TranslationUnit.h b/include/clang/Index/TranslationUnit.h
deleted file mode 100644
index ba5d48d373..0000000000
--- a/include/clang/Index/TranslationUnit.h
+++ /dev/null
@@ -1,41 +0,0 @@
-//===--- TranslationUnit.h - Interface for a translation unit ---*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-//  Abstract interface for a translation unit.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CLANG_INDEX_TRANSLATIONUNIT_H
-#define LLVM_CLANG_INDEX_TRANSLATIONUNIT_H
-
-namespace clang {
-  class ASTContext;
-  class DiagnosticsEngine;
-  class Preprocessor;
-
-namespace idx {
-  class DeclReferenceMap;
-  class SelectorMap;
-
-/// \brief Abstract interface for a translation unit.
-class TranslationUnit {
-public:
-  virtual ~TranslationUnit();
-  virtual ASTContext &getASTContext() = 0;
-  virtual Preprocessor &getPreprocessor() = 0;
-  virtual DiagnosticsEngine &getDiagnostic() = 0;
-  virtual DeclReferenceMap &getDeclReferenceMap() = 0;
-  virtual SelectorMap &getSelectorMap() = 0;
-};
-
-} // namespace idx
-
-} // namespace clang
-
-#endif
diff --git a/include/clang/StaticAnalyzer/Core/PathSensitive/AnalysisManager.h b/include/clang/StaticAnalyzer/Core/PathSensitive/AnalysisManager.h
index 3cbecf7d6e..d01644ba0e 100644
--- a/include/clang/StaticAnalyzer/Core/PathSensitive/AnalysisManager.h
+++ b/include/clang/StaticAnalyzer/Core/PathSensitive/AnalysisManager.h
@@ -22,11 +22,6 @@
 
 namespace clang {
 
-namespace idx { 
-  class Indexer;
-  class TranslationUnit; 
-}
-
 namespace ento {
   class CheckerManager;
 
@@ -46,11 +41,6 @@ class AnalysisManager : public BugReporterData {
 
   CheckerManager *CheckerMgr;
 
-  /// \brief Provide function definitions in other translation units. This is
-  /// NULL if we don't have multiple translation units. AnalysisManager does
-  /// not own the Indexer.
-  idx::Indexer *Idxer;
-
   enum AnalysisScope { ScopeTU, ScopeDecl } AScope;
 
   /// \brief The maximum number of exploded nodes the analyzer will generate.
@@ -99,7 +89,6 @@ public:
                   StoreManagerCreator storemgr,
                   ConstraintManagerCreator constraintmgr, 
                   CheckerManager *checkerMgr,
-                  idx::Indexer *idxer,
                   unsigned maxnodes, unsigned maxvisit,
                   bool vizdot, bool vizubi, AnalysisPurgeMode purge,
                   bool eager, bool trim,
@@ -137,8 +126,6 @@ public:
 
   CheckerManager *getCheckerManager() const { return CheckerMgr; }
 
-  idx::Indexer *getIndexer() const { return Idxer; }
-
   virtual ASTContext &getASTContext() {
     return Ctx;
   }
@@ -186,10 +173,6 @@ public:
 
   bool shouldInlineCall() const { return (IPAMode == Inlining); }
 
-  bool hasIndexer() const { return Idxer != 0; }
-
-  AnalysisDeclContext *getAnalysisDeclContextInAnotherTU(const Decl *D);
-
   CFG *getCFG(Decl const *D) {
     return AnaCtxMgr.getContext(D)->getCFG();
   }