libclang: change getCursorAttr() to return 'const Attr *'

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@173583 91177308-0d34-0410-b5e6-96231b3b80d8

tools/libclang/CIndex.cpp

@@ -522,7 +522,7 @@ bool CursorVisitor::VisitChildren(CXCursor Cursor) {
   }
 
   if (Cursor.kind == CXCursor_IBOutletCollectionAttr) {
-    IBOutletCollectionAttr *A =
+    const IBOutletCollectionAttr *A =
       cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(Cursor));
     if (const ObjCInterfaceType *InterT = A->getInterface()->getAs<ObjCInterfaceType>())
       return Visit(cxcursor::MakeCursorObjCClassRef(InterT->getInterface(),
@@ -3258,12 +3258,12 @@ CXString clang_getCursorSpelling(CXCursor C) {
     return getDeclSpelling(getCursorDecl(C));
 
   if (C.kind == CXCursor_AnnotateAttr) {
-    AnnotateAttr *AA = cast<AnnotateAttr>(cxcursor::getCursorAttr(C));
+    const AnnotateAttr *AA = cast<AnnotateAttr>(cxcursor::getCursorAttr(C));
     return createCXString(AA->getAnnotation());
   }
 
   if (C.kind == CXCursor_AsmLabelAttr) {
-    AsmLabelAttr *AA = cast<AsmLabelAttr>(cxcursor::getCursorAttr(C));
+    const AsmLabelAttr *AA = cast<AsmLabelAttr>(cxcursor::getCursorAttr(C));
     return createCXString(AA->getLabel());
   }
 
@@ -6012,7 +6012,7 @@ CXType clang_getIBOutletCollectionType(CXCursor C) {
   if (C.kind != CXCursor_IBOutletCollectionAttr)
     return cxtype::MakeCXType(QualType(), cxcursor::getCursorTU(C));
   
-  IBOutletCollectionAttr *A =
+  const IBOutletCollectionAttr *A =
     cast<IBOutletCollectionAttr>(cxcursor::getCursorAttr(C));
   
   return cxtype::MakeCXType(A->getInterface(), cxcursor::getCursorTU(C));  

tools/libclang/CXCursor.cpp

@@ -794,8 +794,8 @@ const Stmt *cxcursor::getCursorStmt(CXCursor Cursor) {
   return static_cast<const Stmt *>(Cursor.data[1]);
 }
 
-Attr *cxcursor::getCursorAttr(CXCursor Cursor) {
-  return static_cast<Attr*>(const_cast<void*>(Cursor.data[1]));
+const Attr *cxcursor::getCursorAttr(CXCursor Cursor) {
+  return static_cast<const Attr *>(Cursor.data[1]);
 }
 
 Decl *cxcursor::getCursorParentDecl(CXCursor Cursor) {

tools/libclang/CXCursor.h

@@ -244,7 +244,7 @@ std::pair<OverloadedDeclRefStorage, SourceLocation>
 const Decl *getCursorDecl(CXCursor Cursor);
 const Expr *getCursorExpr(CXCursor Cursor);
 const Stmt *getCursorStmt(CXCursor Cursor);
-Attr *getCursorAttr(CXCursor Cursor);
+const Attr *getCursorAttr(CXCursor Cursor);
 Decl *getCursorParentDecl(CXCursor Cursor);
 
 ASTContext &getCursorContext(CXCursor Cursor);