From c71b335b330873d13a215f7f2463dcb4bebbee1b Mon Sep 17 00:00:00 2001
From: Chris Hanson <org/chris-hanson/cph>
Date: Mon, 8 Sep 2008 18:19:54 +0000
Subject: [PATCH] Add DISQUALIFY keyword.
---
v7/src/runtime/structure-parser.scm | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/v7/src/runtime/structure-parser.scm b/v7/src/runtime/structure-parser.scm
index 21e78f427..bad16206d 100644
--- a/v7/src/runtime/structure-parser.scm
+++ b/v7/src/runtime/structure-parser.scm
@@ -1,6 +1,6 @@
#| -*-Scheme-*-
-$Id: structure-parser.scm,v 14.2 2008/09/08 04:44:45 cph Exp $
+$Id: structure-parser.scm,v 14.3 2008/09/08 18:19:54 cph Exp $
Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994,
1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
@@ -429,6 +429,16 @@ USA.
,(make-win vals lose)
(,lose))))))
+(define-pattern-compiler '(DISQUALIFY EXPRESSION FORM) 'ANY
+ (lambda (pattern context env)
+ ((get-context-method 'TRANSFORM-VALS context)
+ (compile-pattern (caddr pattern) context env)
+ (lambda (make-win vals lose)
+ `(IF (NOT ,(call-out (close-syntax (cadr pattern) env)
+ vals))
+ ,(make-win vals lose)
+ (,lose))))))
+
(define-pattern-compiler '(TRANSFORM EXPRESSION FORM) 'ANY
(lambda (pattern context env)
((get-context-method 'TRANSFORM-VALS context)
--
2.25.1