From 084236fafd6e3916de2d5970340a9f88a5f2b042 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <dgregor@apple.com>
Date: Tue, 19 Jan 2010 23:25:01 +0000
Subject: [PATCH] Kill CXCursor_ObjCSelectorRef, CXCursor_VarRef,
 CXCursor_FunctionRef, and CXCursor_EnumConstantRef; they've been subsumed by
 expression references, which do a much nicer job.

llvm-svn: 93947
---
 clang/include/clang-c/Index.h   |  7 +-----
 clang/tools/CIndex/CIndex.cpp   | 42 ---------------------------------
 clang/tools/CIndex/CXCursor.cpp |  6 -----
 3 files changed, 1 insertion(+), 54 deletions(-)

diff --git a/clang/include/clang-c/Index.h b/clang/include/clang-c/Index.h
index 8a2ff8822e62..1abf6490e7c1 100644
--- a/clang/include/clang-c/Index.h
+++ b/clang/include/clang-c/Index.h
@@ -113,12 +113,7 @@ enum CXCursorKind {
  CXCursor_ObjCSuperClassRef             = 40,            
  CXCursor_ObjCProtocolRef               = 41,
  CXCursor_ObjCClassRef                  = 42,
- 
- CXCursor_ObjCSelectorRef               = 43, /* Expression references */
- CXCursor_VarRef                        = 44,
- CXCursor_FunctionRef                   = 45,
- CXCursor_EnumConstantRef               = 46,
- CXCursor_LastRef                       = 46,
+ CXCursor_LastRef                       = 42,
  
  /* Error conditions */
  CXCursor_FirstInvalid                  = 70,
diff --git a/clang/tools/CIndex/CIndex.cpp b/clang/tools/CIndex/CIndex.cpp
index 00169e2af1f9..032dd126f690 100644
--- a/clang/tools/CIndex/CIndex.cpp
+++ b/clang/tools/CIndex/CIndex.cpp
@@ -818,20 +818,6 @@ CXString clang_getCursorSpelling(CXCursor C) {
       assert(OID && "getCursorSpelling(): Missing protocol decl");
       return CIndexer::createCXString(OID->getIdentifier()->getNameStart());
     }
-    case CXCursor_ObjCSelectorRef: {
-      ObjCMessageExpr *OME = dyn_cast<ObjCMessageExpr>(getCursorStmt(C));
-      assert(OME && "getCursorSpelling(): Missing message expr");
-      return CIndexer::createCXString(OME->getSelector().getAsString().c_str(),
-                                      true);
-    }
-    case CXCursor_VarRef:
-    case CXCursor_FunctionRef:
-    case CXCursor_EnumConstantRef: {
-      DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(getCursorStmt(C));
-      assert(DRE && "getCursorSpelling(): Missing decl ref expr");
-      return CIndexer::createCXString(DRE->getDecl()->getIdentifier()
-                                      ->getNameStart());
-    }
     default:
       return CIndexer::createCXString("<not implemented>");
     }
@@ -872,10 +858,6 @@ const char *clang_getCursorKindSpelling(enum CXCursorKind Kind) {
   case CXCursor_ObjCSuperClassRef: return "ObjCSuperClassRef";
   case CXCursor_ObjCProtocolRef: return "ObjCProtocolRef";
   case CXCursor_ObjCClassRef: return "ObjCClassRef";
-  case CXCursor_ObjCSelectorRef: return "ObjCSelectorRef";
-  case CXCursor_VarRef: return "VarRef";
-  case CXCursor_FunctionRef: return "FunctionRef";
-  case CXCursor_EnumConstantRef: return "EnumConstantRef";
   case CXCursor_UnexposedExpr: return "UnexposedExpr";
   case CXCursor_DeclRefExpr: return "DeclRefExpr";
   case CXCursor_MemberRefExpr: return "MemberRefExpr";
@@ -1019,13 +1001,6 @@ CXSourceLocation clang_getCursorLocation(CXCursor C) {
       return translateSourceLocation(P.first->getASTContext(), P.second);
     }
       
-    case CXCursor_ObjCSelectorRef:
-    case CXCursor_VarRef:
-    case CXCursor_FunctionRef:
-    case CXCursor_EnumConstantRef:
-      return translateSourceLocation(getCursorContext(C), 
-                                     getLocationFromExpr(getCursorExpr(C)));
-        
     default:
       // FIXME: Need a way to enumerate all non-reference cases.
       llvm_unreachable("Missed a reference kind");
@@ -1070,13 +1045,6 @@ CXSourceRange clang_getCursorExtent(CXCursor C) {
         return translateSourceRange(P.first->getASTContext(), P.second);
       }
         
-      case CXCursor_ObjCSelectorRef:
-      case CXCursor_VarRef:
-      case CXCursor_FunctionRef:
-      case CXCursor_EnumConstantRef:
-        return translateSourceRange(getCursorContext(C), 
-                                    getCursorExpr(C)->getSourceRange());
-        
       default:
         // FIXME: Need a way to enumerate all non-reference cases.
         llvm_unreachable("Missed a reference kind");
@@ -1120,16 +1088,6 @@ CXCursor clang_getCursorReferenced(CXCursor C) {
     case CXCursor_ObjCClassRef:      
       return MakeCXCursor(getCursorObjCClassRef(C).first);
       
-    case CXCursor_ObjCSelectorRef:
-    case CXCursor_VarRef:
-    case CXCursor_FunctionRef:
-    case CXCursor_EnumConstantRef: {
-      Decl *D = getDeclFromExpr(getCursorExpr(C));
-      if (D)
-        return MakeCXCursor(D);
-      break;
-    }
-      
     default:
       // We would prefer to enumerate all non-reference cursor kinds here.
       llvm_unreachable("Unhandled reference cursor kind");
diff --git a/clang/tools/CIndex/CXCursor.cpp b/clang/tools/CIndex/CXCursor.cpp
index 68fba7e3cd7e..f13e2eea89f5 100644
--- a/clang/tools/CIndex/CXCursor.cpp
+++ b/clang/tools/CIndex/CXCursor.cpp
@@ -306,12 +306,6 @@ ASTContext &cxcursor::getCursorContext(CXCursor Cursor) {
   case CXCursor_ObjCClassRef:
     return static_cast<Decl *>(Cursor.data[0])->getASTContext();
     
-  case CXCursor_ObjCSelectorRef:
-  case CXCursor_VarRef:
-  case CXCursor_FunctionRef:
-  case CXCursor_EnumConstantRef:
-    return *static_cast<ASTContext *>(Cursor.data[2]);
-  
   case CXCursor_InvalidFile:
   case CXCursor_NoDeclFound:
   case CXCursor_NotImplemented: