Implements boxed expressions for Objective-C. <rdar://problem/10194391>


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155082 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Parser/objc-boxing.m b/test/Parser/objc-boxing.m
new file mode 100644
index 0000000..a16a137
--- /dev/null
+++ b/test/Parser/objc-boxing.m
@@ -0,0 +1,26 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+@interface NSString @end
+
+@interface NSString (NSStringExtensionMethods)
++ (id)stringWithUTF8String:(const char *)nullTerminatedCString;
+@end
+
+extern char *strdup(const char *str);
+
+id constant_string() {
+    return @("boxed constant string.");
+}
+
+id dynamic_string() {
+    return @(strdup("boxed dynamic string"));
+}
+
+id const_char_pointer() {
+    return @((const char *)"constant character pointer");
+}
+
+id missing_parentheses() {
+    return @(5;             // expected-error {{expected ')'}} \
+                            // expected-note {{to match this '('}}
+}