Re: [PATCH] Make large enum constants unsigned

On Thu, May 22, 2014 at 09:52:50AM +0300, Stefan Kristiansson wrote:
> 
> As for 'u' vs 'U', a 'U' is emitted in the .h file even if I put a 'u'
> in the .scm.
> If 'u' in the output is preferred, maybe someone can point out the
> reason for this?
> 

I found the reason, there's a 'string-upcase' a couple of rows above
what the patch touches.
I'm not sure getting around that is worth pursuing though?

Anyway, below is the updated patch.

2014-05-22  Stefan Kristiansson  <[email protected]>

	* enum.scm (gen-enum-decl): Emit 'U' after constants larger than
	 #x80000000

Index: cgen/enum.scm
===================================================================
RCS file: /cvs/src/src/cgen/enum.scm,v
retrieving revision 1.13
diff -u -r1.13 enum.scm
--- cgen/enum.scm	13 Feb 2010 03:39:15 -0000	1.13
+++ cgen/enum.scm	22 May 2014 07:09:00 -0000
@@ -298,7 +298,10 @@
 		     ""
 		     (string-append " = "
 				    (if (number? (cadr e))
-					(number->string (cadr e))
+					(string-append (number->string (cadr e))
+						       (if (> (cadr e)
+							      #x80000000)
+							   "U" ""))
 					(cadr e))))
 		 ))
 	       (if (and san? include-sanitize-marker?)