be a bit more liberal with prefixes

1989-01-24 13:51:05 +00:00 · 1989-01-24 13:51:05 +00:00 · 3a546eb8dd
parent 5e14dddb6c
commit 3a546eb8dd
1 changed files with 7 additions and 3 deletions
--- a/mach/i386/as/mach4.c
+++ b/mach/i386/as/mach4.c
@ -7,11 +7,15 @@
 */

 operation
-	:		{	address_long = 1; operand_long = 1; }
-		prefix oper
+	:
+		prefix oper		
+			{	address_long = 1; operand_long = 1; }
+	|	prefix1		/* to allow for only prefixes on a line */
 	;
 prefix	:	/* empty */
-	|	prefix PREFIX
+	|	prefix1
+	;
+prefix1:	prefix PREFIX
 			{	if ($2 == 0146) operand_long = ! operand_long;
 				if ($2 == 0147) address_long = ! address_long;
 				emit1($2);