[cfe-commits] r73495 - in /cfe/trunk: include/clang/Basic/DiagnosticSemaKinds.td lib/Sema/SemaExprObjC.cpp

[Fariborz Jahanian]

Author: fjahanian
Date: Tue Jun 16 11:25:00 2009
New Revision: 73495

URL: http://llvm.org/viewvc/llvm-project?rev=73495&view=rev
Log:
Implements -Wundeclared-selector for ObjC.


Modified:
    cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td
    cfe/trunk/lib/Sema/SemaExprObjC.cpp

Modified: cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td?rev=73495&r1=73494&r2=73495&view=diff

==============================================================================
--- cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td (original)
+++ cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td Tue Jun 16 11:25:00 2009
@@ -241,6 +241,9 @@
 def warn_objc_property_attr_mutually_exclusive : Warning<
   "property attributes '%0' and '%1' are mutually exclusive">,
   InGroup<DiagGroup<"readonly-setter-attrs">>, DefaultIgnore;
+def warn_undeclared_selector : Warning<
+  "undeclared selector %0">,
+  InGroup<DiagGroup<"undeclared-selector">>, DefaultIgnore;
 
 // C++ declarations
 def err_static_assert_expression_is_not_constant : Error<

Modified: cfe/trunk/lib/Sema/SemaExprObjC.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaExprObjC.cpp?rev=73495&r1=73494&r2=73495&view=diff

==============================================================================
--- cfe/trunk/lib/Sema/SemaExprObjC.cpp (original)
+++ cfe/trunk/lib/Sema/SemaExprObjC.cpp Tue Jun 16 11:25:00 2009
@@ -130,6 +130,14 @@
                                                    SourceLocation SelLoc,
                                                    SourceLocation LParenLoc,
                                                    SourceLocation RParenLoc) {
+  ObjCMethodDecl *Method = LookupInstanceMethodInGlobalPool(Sel, 
+                             SourceRange(LParenLoc, RParenLoc));
+  if (!Method)
+    Method = LookupFactoryMethodInGlobalPool(Sel,
+                                          SourceRange(LParenLoc, RParenLoc));
+  if (!Method)
+    Diag(SelLoc, diag::warn_undeclared_selector) << Sel;
+
   QualType Ty = Context.getObjCSelType();
   return new (Context) ObjCSelectorExpr(Ty, Sel, AtLoc, RParenLoc);
 }