[cfe-commits] r93186 - in /cfe/trunk: lib/AST/StmtPrinter.cpp test/Rewriter/rewrite-anonymous-union.m

[Fariborz Jahanian]

Author: fjahanian
Date: Mon Jan 11 15:17:32 2010
New Revision: 93186

URL: http://llvm.org/viewvc/llvm-project?rev=93186&view=rev
Log:
Fix a problem related to rewrite of anonymous unions.
(fixes radar 6948022)


Added:
    cfe/trunk/test/Rewriter/rewrite-anonymous-union.m
Modified:
    cfe/trunk/lib/AST/StmtPrinter.cpp

Modified: cfe/trunk/lib/AST/StmtPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/StmtPrinter.cpp?rev=93186&r1=93185&r2=93186&view=diff

==============================================================================
--- cfe/trunk/lib/AST/StmtPrinter.cpp (original)
+++ cfe/trunk/lib/AST/StmtPrinter.cpp Mon Jan 11 15:17:32 2010
@@ -739,9 +739,10 @@
 void StmtPrinter::VisitMemberExpr(MemberExpr *Node) {
   // FIXME: Suppress printing implicit bases (like "this")
   PrintExpr(Node->getBase());
+  if (FieldDecl *FD = dyn_cast<FieldDecl>(Node->getMemberDecl()))
+    if (FD->isAnonymousStructOrUnion())
+      return;
   OS << (Node->isArrow() ? "->" : ".");
-  // FIXME: Suppress printing references to unnamed objects
-  // representing anonymous unions/structs
   if (NestedNameSpecifier *Qualifier = Node->getQualifier())
     Qualifier->print(OS, Policy);
 

Added: cfe/trunk/test/Rewriter/rewrite-anonymous-union.m
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Rewriter/rewrite-anonymous-union.m?rev=93186&view=auto

==============================================================================
--- cfe/trunk/test/Rewriter/rewrite-anonymous-union.m (added)
+++ cfe/trunk/test/Rewriter/rewrite-anonymous-union.m Mon Jan 11 15:17:32 2010
@@ -0,0 +1,30 @@
+// RUN: %clang_cc1 -rewrite-objc -o - %s
+// rdar://6948022
+
+typedef unsigned int uint32_t;
+
+typedef struct {
+    union {
+        uint32_t daysOfWeek;
+        uint32_t dayOfMonth;
+    };
+    uint32_t nthOccurrence;
+} OSPatternSpecificData;
+
+ at interface NSNumber
++ (NSNumber *)numberWithLong:(long)value;
+ at end
+
+ at interface OSRecurrence  {
+    OSPatternSpecificData _pts;
+}
+- (void)_setTypeSpecificInfoOnRecord;
+ at end
+
+ at implementation OSRecurrence
+- (void)_setTypeSpecificInfoOnRecord
+{
+    [NSNumber numberWithLong:(_pts.dayOfMonth >= 31 ? -1 : _pts.dayOfMonth)];
+}
+ at end
+