add @property to ObjC*

	merge from FSF apple 'trunk' branch. 
	2006 Fariborz Jahanian <fjahanian@apple.com>
	
	Radars 4436866, 4505126, 4506903, 4517826

gcc/c-family: 

	* c-common.c (c_common_resword): Define @property and its attributes.
	* c-common.h: Define property attribute enum entries.
	(OBJC_IS_PATTR_KEYWORD): New.
	(objc_property_attribute_kind): New enum.
	Declare objc_set_property_attr (), objc_add_property_variable (),
	objc_build_getter_call () and objc_build_setter_call ().
	* stub-objc.c (objc_set_property_attr): New stub.
	(objc_add_property_variable): Likewise.
	(objc_build_getter_call): Likewise.
	(objc_build_setter_call) Likewise.

gcc:

	* c-parser.c (c_parser, objc_property_attr_context) New flag.
	(c_lex_one_token): Handle property attributes.
	(c_parser_external_declaration): Handle @property.
	(c_parser_declaration_or_fndef): Warn on invalid attributes before
	@alias, @class, @end and @property objc keywords.
	(c_parser_objc_methodprotolist): Handle @property.
	(c_parser_objc_property_attrlist): New.
	(c_parser_objc_at_property): New.
	* c-typeck.c (build_component_ref): Handle CLASS.property syntax.
	(build_modify_expr): Likewise.

gcc/cp:

	* typeck.c (finish_class_member_access_expr): Handle CLASS.property
	syntax. 
	(cp_build_modify_expr): Likewise.
	* parser.c (cp_parser_objc_method_prototype_list): Handle @property.
	(cp_parser_objc_method_definition_list): Likewise.
	(cp_parser_objc_property_decl): New.
	(cp_parser_objc_property_attrlist): New.
	(cp_parser_objc_at_property): New.

gcc/objc:

	* objc-act.c (CALL_EXPR_OBJC_PROPERTY_GETTER): New.
	property_readonly, property_getter, property_setter, property_ivar,
	property_copies, in_objc_property_setter_name_context: New vars.
	(objc_set_property_attr): New.
	(objc_add_property_variable): New.
	(lookup_property_in_list): New.
	(lookup_property): New.
	(objc_build_getter_call): New.
	(objc_setter_func_call): New.
	(get_selector_from_reference): New.
	(objc_build_setter_call): New.
	(is_property): New.
	(build_property_reference): New.
	(objc_finish_message_expr): Detect readonly property and warn.
	(objc_build_property_ivar_name): New.
	(objc_build_property_setter_name): New.
	(objc_gen_one_property_datum): New.
	(objc_process_getter_setter): New.
	(objc_synthesize_getter): New.
	(objc_synthesize_setter): New.
	(objc_gen_property_data): New.
	(finish_class): Generate property data.
	(comp_proto_with_proto): Separated from ...
	(match_proto_with_proto): ... New.
	(objc_lookup_ivar): Handle properties.
	* objc-tree.def (PROPERTY_DECL): New tree code.
	* objc-act.h: CLASS_LANG_SLOT_ELTS, PROTOCOL_LANG_SLOT_ELTS update size.
	(METHOD_PROPERTY_CONTEXT): New.
	(PROPERTY_NAME): New.
	(PROPERTY_GETTER_NAME): New.
	(PROPERTY_SETTER_NAME): New.
	(PROPERTY_IVAR_NAME): New.
	(PROPERTY_READONLY): New.
	(PROPERTY_COPIES): New.
	(TOTAL_CLASS_RAW_IVARS): New.
	(CLASS_PROPERTY_DECL): New.
	(IMPL_PROPERTY_DECL): New.
	* objc-lang.c (objc_init_ts): Update fields for property_decl.

gcc/objcp:

	* objcp-lang.c (objcxx_init_ts): Update for property_decl.

From-SVN: r165479

1 files changed, 18 insertions, 1 deletions

diff --git a/gcc/cp/typeck.c b/gcc/cp/typeck.c
index ff5714d..ca832c6 100644
--- a/gcc/cp/typeck.c
+++ b/gcc/cp/typeck.c
@@ -2593,7 +2593,11 @@ finish_class_member_access_expr (tree object, tree name, bool template_p,
 	return build_min_nt (COMPONENT_REF, object, name, NULL_TREE);
       object = build_non_dependent_expr (object);
     }
-
+  else if (c_dialect_objc ()
+	   && TREE_CODE (name) == IDENTIFIER_NODE
+	   && (expr = objc_build_getter_call (object, name)))
+    return expr;
+    
   /* [expr.ref]
 
      The type of the first expression shall be "class object" (of a
@@ -6758,6 +6762,13 @@ cp_build_modify_expr (tree lhs, enum tree_code modifycode, tree rhs,
 
       if (modifycode == NOP_EXPR)
 	{
+	  if (c_dialect_objc ())
+	    {
+	      result = objc_build_setter_call (lhs, rhs);
+	      if (result)
+		return result;
+	    }
+
 	  /* `operator=' is not an inheritable operator.  */
 	  if (! MAYBE_CLASS_TYPE_P (lhstype))
 	    /* Do the default thing.  */;
@@ -6796,6 +6807,12 @@ cp_build_modify_expr (tree lhs, enum tree_code modifycode, tree rhs,
 
 	  /* Now it looks like a plain assignment.  */
 	  modifycode = NOP_EXPR;
+	  if (c_dialect_objc ())
+	    {
+	      result = objc_build_setter_call (lhs, newrhs);
+	      if (result)
+		return result;
+	    }
 	}
       gcc_assert (TREE_CODE (lhstype) != REFERENCE_TYPE);
       gcc_assert (TREE_CODE (TREE_TYPE (newrhs)) != REFERENCE_TYPE);