[cfe-commits] r111023 - in /cfe/trunk: include/clang/Basic/DiagnosticSemaKinds.td lib/Sema/SemaExpr.cpp test/SemaObjC/conflict-nonfragile-abi2.m

[Fariborz Jahanian]

Author: fjahanian
Date: Fri Aug 13 13:09:39 2010
New Revision: 111023

URL: http://llvm.org/viewvc/llvm-project?rev=111023&view=rev
Log:
When issuing warning for future conflict resolution,
(nonfragile-abi2), do not consider 'ivar' access
in class methods. Also, improve on diagnostics.
Radar 8304561.

Modified:
    cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td
    cfe/trunk/lib/Sema/SemaExpr.cpp
    cfe/trunk/test/SemaObjC/conflict-nonfragile-abi2.m

Modified: cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td?rev=111023&r1=111022&r2=111023&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td (original)
+++ cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td Fri Aug 13 13:09:39 2010
@@ -2520,8 +2520,10 @@
   "place parentheses around the assignment to silence this warning">;
 
 def warn_ivar_variable_conflict : Warning<
-  "%0 lookup will access the property ivar in nonfragile-abi2 mode">, 
+  "when default property synthesis is on, "
+  "%0 lookup will access property ivar instead of global variable">, 
   InGroup<NonfragileAbi2>;
+def note_global_declared_at : Note<"global variable declared here">;
 
 // assignment related diagnostics (also for argument passing, returning, etc).
 // In most of these diagnostics the %2 is a value from the

Modified: cfe/trunk/lib/Sema/SemaExpr.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaExpr.cpp?rev=111023&r1=111022&r2=111023&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaExpr.cpp (original)
+++ cfe/trunk/lib/Sema/SemaExpr.cpp Fri Aug 13 13:09:39 2010
@@ -1142,6 +1142,8 @@
           return ActOnIdExpression(S, SS, Id, HasTrailingLParen,
                                    isAddressOfOperand);
       }
+      // for further use, this must be set to false if in class method.
+      IvarLookupFollowUp = getCurMethodDecl()->isInstanceMethod();
     }
   }
 
@@ -1193,6 +1195,7 @@
       if (Property) {
         Diag(NameLoc, diag::warn_ivar_variable_conflict) << Var->getDeclName();
         Diag(Property->getLocation(), diag::note_property_declare);
+        Diag(Var->getLocation(), diag::note_global_declared_at);
       }
     }
   } else if (FunctionDecl *Func = R.getAsSingle<FunctionDecl>()) {

Modified: cfe/trunk/test/SemaObjC/conflict-nonfragile-abi2.m
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaObjC/conflict-nonfragile-abi2.m?rev=111023&r1=111022&r2=111023&view=diff
==============================================================================
--- cfe/trunk/test/SemaObjC/conflict-nonfragile-abi2.m (original)
+++ cfe/trunk/test/SemaObjC/conflict-nonfragile-abi2.m Fri Aug 13 13:09:39 2010
@@ -1,7 +1,7 @@
 // RUN: %clang_cc1 -fobjc-nonfragile-abi -verify -fsyntax-only %s
 // rdar : // 8225011
 
-int glob;
+int glob; // expected-note {{global variable declared here}}
 
 @interface I
 @property int glob; // expected-note {{property declared here}}
@@ -13,7 +13,7 @@
 @end
 
 @implementation I
-- (int) Meth { return glob; } // expected-warning {{'glob' lookup will access the property ivar in nonfragile-abi2 mode}}
+- (int) Meth { return glob; } // expected-warning {{when default property synthesis is on, 'glob' lookup will access}}
 @synthesize glob;
 // rdar: // 8248681
 - (int) Meth1: (int) p {