From: Douglas Gregor <dgregor@apple.com>
Date: Tue, 28 Sep 2010 17:48:56 +0000 (+0000)
Subject: When we have two identifiers in a row in Objective-C, make sure to
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=857736454fabeb828e399dce094bbb3aad64fba2;p=clang

When we have two identifiers in a row in Objective-C, make sure to
verify that we aren't in a message-send expression before digging into
the identifier or looking ahead more tokens. Fixes a regression
(<rdar://problem/8483253>) I introduced with bracket insertion.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@114968 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Parse/ParseExpr.cpp b/lib/Parse/ParseExpr.cpp
index e04e62bcb2..2785f1b14d 100644
--- a/lib/Parse/ParseExpr.cpp
+++ b/lib/Parse/ParseExpr.cpp
@@ -671,7 +671,7 @@ ExprResult Parser::ParseCastExpression(bool isUnaryExpression,
     // If we have an Objective-C class name followed by an identifier and
     // either ':' or ']', this is an Objective-C class message send that's
     // missing the opening '['. Recovery appropriately.
-    if (getLang().ObjC1 && Tok.is(tok::identifier)) {
+    if (getLang().ObjC1 && Tok.is(tok::identifier) && !InMessageExpression) {
       const Token& Next = NextToken();
       if (Next.is(tok::colon) || Next.is(tok::r_square))
         if (ParsedType Typ = Actions.getTypeName(II, ILoc, getCurScope()))
diff --git a/test/SemaObjCXX/message.mm b/test/SemaObjCXX/message.mm
index ab86d9437f..fce546304f 100644
--- a/test/SemaObjCXX/message.mm
+++ b/test/SemaObjCXX/message.mm
@@ -92,3 +92,23 @@ void test_I5(I5 *i5, String s) {
   [i5 method:"hello" other:s];
   [i5 method:s other:"world"]; // expected-error{{non-const lvalue reference to type 'String' cannot bind to a value of unrelated type 'const char [6]'}}
 }
+
+// <rdar://problem/8483253>
+@interface A
+
+struct X { };
+
++ (A *)create:(void (*)(void *x, X r, void *data))callback
+	      callbackData:(void *)callback_data;
+
+@end
+
+
+void foo(void)
+{
+  void *fun;
+  void *ptr;
+  X r;
+  A *im = [A create:(void (*)(void *cgl_ctx, X r, void *data)) fun
+             callbackData:ptr];
+}