r259224 - Class Property: parse @dynamic (class).

[Manman Ren via cfe-commits]

Author: mren
Date: Fri Jan 29 13:05:57 2016
New Revision: 259224

URL: http://llvm.org/viewvc/llvm-project?rev=259224&view=rev
Log:
Class Property: parse @dynamic (class).

rdar://23891898

Modified:
    cfe/trunk/lib/Parse/ParseObjc.cpp
    cfe/trunk/test/SemaObjC/objc-class-property.m

Modified: cfe/trunk/lib/Parse/ParseObjc.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Parse/ParseObjc.cpp?rev=259224&r1=259223&r2=259224&view=diff
==============================================================================
--- cfe/trunk/lib/Parse/ParseObjc.cpp (original)
+++ cfe/trunk/lib/Parse/ParseObjc.cpp Fri Jan 29 13:05:57 2016
@@ -2353,6 +2353,31 @@ Decl *Parser::ParseObjCPropertyDynamic(S
   assert(Tok.isObjCAtKeyword(tok::objc_dynamic) &&
          "ParseObjCPropertyDynamic(): Expected '@dynamic'");
   ConsumeToken(); // consume dynamic
+
+  bool isClassProperty = false;
+  if (Tok.is(tok::l_paren)) {
+    ConsumeParen();
+    const IdentifierInfo *II = Tok.getIdentifierInfo();
+
+    if (!II) {
+      Diag(Tok, diag::err_objc_expected_property_attr) << II;
+      SkipUntil(tok::r_paren, StopAtSemi);
+    } else {
+      SourceLocation AttrName = ConsumeToken(); // consume attribute name
+      if (II->isStr("class")) {
+        isClassProperty = true;
+        if (Tok.isNot(tok::r_paren)) {
+          Diag(Tok, diag::err_expected) << tok::r_paren;
+          SkipUntil(tok::r_paren, StopAtSemi);
+        } else
+          ConsumeParen();
+      } else {
+        Diag(AttrName, diag::err_objc_expected_property_attr) << II;
+        SkipUntil(tok::r_paren, StopAtSemi);
+      }
+    }
+  }
+
   while (true) {
     if (Tok.is(tok::code_completion)) {
       Actions.CodeCompleteObjCPropertyDefinition(getCurScope());
@@ -2371,6 +2396,7 @@ Decl *Parser::ParseObjCPropertyDynamic(S
     Actions.ActOnPropertyImplDecl(
         getCurScope(), atLoc, propertyLoc, false,
         propertyId, nullptr, SourceLocation(),
+        isClassProperty ? ObjCPropertyQueryKind::OBJC_PR_query_class :
         ObjCPropertyQueryKind::OBJC_PR_query_unknown);
 
     if (Tok.isNot(tok::comma))

Modified: cfe/trunk/test/SemaObjC/objc-class-property.m
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaObjC/objc-class-property.m?rev=259224&r1=259223&r2=259224&view=diff
==============================================================================
--- cfe/trunk/test/SemaObjC/objc-class-property.m (original)
+++ cfe/trunk/test/SemaObjC/objc-class-property.m Fri Jan 29 13:05:57 2016
@@ -20,9 +20,10 @@
 @end
 
 @implementation A
-@dynamic x;
+@dynamic x; // refers to the instance property
+@dynamic (class) x; // refers to the class property
 @synthesize z;
-@dynamic c;
+@dynamic c; // refers to the class property
 @end
 
 int test() {


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