From 39113df12c87dd242b397fa9ba862bab673fad4b Mon Sep 17 00:00:00 2001
From: Nicola Pero <nicola@gcc.gnu.org>
Date: Sat, 26 Feb 2011 11:33:02 +0000
Subject: [PATCH] Implemented encoding property types for new ObjC ABIs

From-SVN: r170516
---
 gcc/objc/ChangeLog  |  7 +++++-
 gcc/objc/objc-act.c | 72 ++++++++++++++++++++++++++++++++++++++---------------
 2 files changed, 58 insertions(+), 21 deletions(-)

diff --git a/gcc/objc/ChangeLog b/gcc/objc/ChangeLog
index e5cff3f58ab..b547316d82e 100644
--- a/gcc/objc/ChangeLog
+++ b/gcc/objc/ChangeLog
@@ -1,3 +1,7 @@
+2011-02-26  Nicola Pero  <nicola.pero@meta-innovation.com>
+
+	* objc-act.c (objc_v2_encode_prop_attr): Rewritten.
+	
 2011-02-23  Nicola Pero  <nicola.pero@meta-innovation.com>
 
 	* objc-act.c (build_private_template): Do not copy the
@@ -16,7 +20,8 @@
 
 2011-02-21  Mike Stump  <mikestump@comcast.net>
 
-	* Make-lang.in (check_objc_parallelize): Refine for 4 processor machines.
+	* Make-lang.in (check_objc_parallelize): Refine for 4 processor
+	machines.
 
 2011-02-20  Nicola Pero  <nicola.pero@meta-innovation.com>
 
diff --git a/gcc/objc/objc-act.c b/gcc/objc/objc-act.c
index 049dc00dba1..451143531a4 100644
--- a/gcc/objc/objc-act.c
+++ b/gcc/objc/objc-act.c
@@ -10495,47 +10495,79 @@ encode_field_decl (tree field_decl, int curtype, int format)
      kPropertyGetter = 'G',
      kPropertySetter = 'S',
      kPropertyInstanceVariable = 'V',
-     kPropertyType = 't',
+     kPropertyType = 'T',
      kPropertyWeak = 'W',
-     kPropertyStrong = 'S',
+     kPropertyStrong = 'P',
      kPropertyNonAtomic = 'N'
-   };
-
-   FIXME: Update the implementation to match.  */
+   };  */
 tree
 objc_v2_encode_prop_attr (tree property)
 {
   const char *string;
   tree type = TREE_TYPE (property);
-  obstack_1grow (&util_obstack, 't');
+
+  obstack_1grow (&util_obstack, 'T');
   encode_type (type, obstack_object_size (&util_obstack),
 	       OBJC_ENCODE_INLINE_DEFS);
+
   if (PROPERTY_READONLY (property))
-    obstack_grow (&util_obstack, ",r", 2);
+    obstack_grow (&util_obstack, ",R", 2);
+
+  switch (PROPERTY_ASSIGN_SEMANTICS (property))
+    {
+    case OBJC_PROPERTY_COPY:
+      obstack_grow (&util_obstack, ",C", 2);
+      break;
+    case OBJC_PROPERTY_RETAIN:
+      obstack_grow (&util_obstack, ",&", 2);
+      break;
+    case OBJC_PROPERTY_ASSIGN:
+    default:
+      break;
+    }
 
-  if (PROPERTY_ASSIGN_SEMANTICS (property) == OBJC_PROPERTY_COPY)
-    obstack_grow (&util_obstack, ",c", 2);
+  if (PROPERTY_DYNAMIC (property))
+    obstack_grow (&util_obstack, ",D", 2);    
 
-  if (PROPERTY_GETTER_NAME (property))
+  if (PROPERTY_NONATOMIC (property))
+    obstack_grow (&util_obstack, ",N", 2);
+
+  /* Here we want to encode the getter name, but only if it's not the
+     standard one.  */
+  if (PROPERTY_GETTER_NAME (property) != PROPERTY_NAME (property))
     {
-      obstack_grow (&util_obstack, ",g", 2);
+      obstack_grow (&util_obstack, ",G", 2);
       string = IDENTIFIER_POINTER (PROPERTY_GETTER_NAME (property));
       obstack_grow (&util_obstack, string, strlen (string));
     }
-  if (PROPERTY_SETTER_NAME (property))
+
+  if (!PROPERTY_READONLY (property))
     {
-      obstack_grow (&util_obstack, ",s", 2);
-      string = IDENTIFIER_POINTER (PROPERTY_SETTER_NAME (property));
-      obstack_grow (&util_obstack, string, strlen (string));
+      /* Here we want to encode the setter name, but only if it's not
+	 the standard one.  */
+      tree standard_setter = get_identifier (objc_build_property_setter_name (PROPERTY_NAME (property)));
+      if (PROPERTY_SETTER_NAME (property) != standard_setter)
+	{
+	  obstack_grow (&util_obstack, ",S", 2);
+	  string = IDENTIFIER_POINTER (PROPERTY_SETTER_NAME (property));
+	  obstack_grow (&util_obstack, string, strlen (string));
+	}
     }
-  if (PROPERTY_IVAR_NAME (property))
+
+  /* TODO: Encode strong ('P'), weak ('W') for garbage collection.  */
+
+  if (!PROPERTY_DYNAMIC (property))
     {
-      obstack_grow (&util_obstack, ",i", 2);
-      string = IDENTIFIER_POINTER (PROPERTY_IVAR_NAME (property));
+      obstack_grow (&util_obstack, ",V", 2);
+      if (PROPERTY_IVAR_NAME (property))
+	string = IDENTIFIER_POINTER (PROPERTY_IVAR_NAME (property));
+      else
+	string = IDENTIFIER_POINTER (PROPERTY_NAME (property));
       obstack_grow (&util_obstack, string, strlen (string));
     }
-    
-  obstack_1grow (&util_obstack, 0);    /* null terminate string */
+
+  /* NULL-terminate string.  */
+  obstack_1grow (&util_obstack, 0);
   string = XOBFINISH (&util_obstack, char *);
   obstack_free (&util_obstack, util_firstobj);
   return get_identifier (string);
-- 
2.11.4.GIT