Teach clang_getCursorReferenced() about Objective-C property reference
and protocol expressions. Fixes <rdar://problem/7833565>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@115346 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index a291f47..908b99d 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -2518,20 +2518,26 @@
//===----------------------------------------------------------------------===//
static Decl *getDeclFromExpr(Stmt *E) {
+ if (CastExpr *CE = dyn_cast<CastExpr>(E))
+ return getDeclFromExpr(CE->getSubExpr());
+
if (DeclRefExpr *RefExpr = dyn_cast<DeclRefExpr>(E))
return RefExpr->getDecl();
if (MemberExpr *ME = dyn_cast<MemberExpr>(E))
return ME->getMemberDecl();
if (ObjCIvarRefExpr *RE = dyn_cast<ObjCIvarRefExpr>(E))
return RE->getDecl();
-
+ if (ObjCPropertyRefExpr *PRE = dyn_cast<ObjCPropertyRefExpr>(E))
+ return PRE->getProperty();
+
if (CallExpr *CE = dyn_cast<CallExpr>(E))
return getDeclFromExpr(CE->getCallee());
- if (CastExpr *CE = dyn_cast<CastExpr>(E))
- return getDeclFromExpr(CE->getSubExpr());
if (ObjCMessageExpr *OME = dyn_cast<ObjCMessageExpr>(E))
return OME->getMethodDecl();
+ if (ObjCProtocolExpr *PE = dyn_cast<ObjCProtocolExpr>(E))
+ return PE->getProtocol();
+
return 0;
}