Wed May 20 15:26:50 1998  Richard Frith-Macdonald (richard@brainstorm.co.uk>

        * c-lex.c: Added 'byref' keyword for Objective-C

        * c-lex.h: Added 'byref' keyword for Objective-C

        * objc/encoding.c: Added 'byref' keyword for Objective-C

        * objc/encoding.h: Added 'byref' keyword for Objective-C

        * objc/objc-act.c: Added 'byref' keyword for Objective-C

diff -r -N -u gcc-2.8.1/c-lex.c gcc-2.8.1-byref/c-lex.c
--- gcc-2.8.1/c-lex.c	Thu Feb 26 12:38:58 1998
+++ gcc-2.8.1-byref/c-lex.c	Mon Mar 23 16:46:29 1998
@@ -185,6 +185,8 @@
       wordlist[i].name = "inout";
     else if (wordlist[i].rid == RID_BYCOPY)
       wordlist[i].name = "bycopy";
+    else if (wordlist[i].rid == RID_BYREF)
+      wordlist[i].name = "byref";
     else if (wordlist[i].rid == RID_ONEWAY)
       wordlist[i].name = "oneway";   
 }
@@ -256,6 +258,7 @@
   ridpointers[(int) RID_OUT] = get_identifier ("out");
   ridpointers[(int) RID_INOUT] = get_identifier ("inout");
   ridpointers[(int) RID_BYCOPY] = get_identifier ("bycopy");
+  ridpointers[(int) RID_BYREF] = get_identifier ("byref");
   ridpointers[(int) RID_ONEWAY] = get_identifier ("oneway");
   forget_protocol_qualifiers();
 
diff -r -N -u gcc-2.8.1/c-lex.h gcc-2.8.1-byref/c-lex.h
--- gcc-2.8.1/c-lex.h	Wed Oct  9 12:24:35 1996
+++ gcc-2.8.1-byref/c-lex.h	Mon Mar 23 16:46:29 1998
@@ -50,6 +50,7 @@
   RID_OUT,
   RID_INOUT,
   RID_BYCOPY,
+  RID_BYREF,
   RID_ONEWAY,
   RID_ID,
 
diff -r -N -u gcc-2.8.1/objc/encoding.c gcc-2.8.1-byref/objc/encoding.c
--- gcc-2.8.1/objc/encoding.c	Sat Nov 29 02:14:41 1997
+++ gcc-2.8.1-byref/objc/encoding.c	Mon Mar 23 16:46:29 1998
@@ -300,6 +300,7 @@
 	 || *type == _C_INOUT
 	 || *type == _C_OUT 
 	 || *type == _C_BYCOPY
+	 || *type == _C_BYREF
 	 || *type == _C_ONEWAY)
     {
       type += 1;
@@ -543,6 +544,7 @@
       case _C_INOUT:  res |= _F_INOUT; break;
       case _C_OUT:    res |= _F_OUT; break;
       case _C_BYCOPY: res |= _F_BYCOPY; break;
+      case _C_BYREF:  res |= _F_BYREF; break;
       case _C_ONEWAY: res |= _F_ONEWAY; break;
       default: flag = NO;
     }
diff -r -N -u gcc-2.8.1/objc/encoding.h gcc-2.8.1-byref/objc/encoding.h
--- gcc-2.8.1/objc/encoding.h	Wed Jun 25 21:12:35 1997
+++ gcc-2.8.1-byref/objc/encoding.h	Wed May 20 13:21:30 1998
@@ -37,6 +37,7 @@
 #define _C_INOUT    'N'
 #define _C_OUT      'o'
 #define _C_BYCOPY   'O'
+#define _C_BYREF    'R'
 #define _C_ONEWAY   'V'
 
 #define _F_CONST    0x01
@@ -44,7 +45,9 @@
 #define _F_OUT      0x02
 #define _F_INOUT    0x03
 #define _F_BYCOPY   0x04
-#define _F_ONEWAY   0x08
+#define _F_BYREF    0x08
+#define _F_ONEWAY   0x10
+
 
 
 int objc_aligned_size (const char* type);
diff -r -N -u gcc-2.8.1/objc/objc-act.c gcc-2.8.1-byref/objc/objc-act.c
--- gcc-2.8.1/objc/objc-act.c	Wed Dec  3 13:11:23 1997
+++ gcc-2.8.1-byref/objc/objc-act.c	Wed May 20 13:22:16 1998
@@ -4550,6 +4550,7 @@
 	      || node == ridpointers [(int) RID_OUT]
 	      || node == ridpointers [(int) RID_INOUT]
 	      || node == ridpointers [(int) RID_BYCOPY]
+	      || node == ridpointers [(int) RID_BYREF]
 	      || node == ridpointers [(int) RID_ONEWAY]));
 }
 
@@ -6433,6 +6434,8 @@
 	obstack_1grow (&util_obstack, 'o');
       else if (ridpointers[(int) RID_BYCOPY] == TREE_VALUE (spec))
 	obstack_1grow (&util_obstack, 'O');
+      else if (ridpointers[(int) RID_BYREF] == TREE_VALUE (spec))
+	obstack_1grow (&util_obstack, 'R');
       else if (ridpointers[(int) RID_ONEWAY] == TREE_VALUE (spec))
 	obstack_1grow (&util_obstack, 'V');
     }