Added skeleton checking for NSString's method initWithFormat: (do not pass nil). This won't be useful in most cases right now

because the analyzer isn't tracking expected types for an object, and [NSString alloc] just runs "id".

llvm-svn: 48917

clang/lib/Analysis/BasicObjCFoundationChecks.cpp

@@ -210,12 +210,21 @@ bool BasicObjCFoundationChecks::AuditNSString(NodeTy* N,
     default:
       break;
     case 8:      
-      
       if (!strcmp(cstr, "compare:"))
         return CheckNilArg(N, 0);
               
       break;
       
+    case 15:
+      // FIXME: Checking for initWithFormat: will not work in most cases
+      //  yet because [NSString alloc] returns id, not NSString*.  We will
+      //  need support for tracking expected-type information in the analyzer
+      //  to find these errors.
+      if (!strcmp(cstr, "initWithFormat:"))
+        return CheckNilArg(N, 0);
+      
+      break;
+    
     case 16:
       if (!strcmp(cstr, "compare:options:"))
         return CheckNilArg(N, 0);