stk/Lib/match.stk

;;;;
;;;; m a t c h  . s t k			-- The bigloo match-case and match-lambda
;;;;
;;;; Copyright <20> 1997-1999 Erick Gallesio - I3S-CNRS/ESSI <eg@unice.fr>
;;;; 
;;;; Permission to use, copy, modify, distribute,and license this
;;;; software and its documentation for any purpose is hereby granted,
;;;; provided that existing copyright notices are retained in all
;;;; copies and that this notice is included verbatim in any
;;;; distributions.  No written agreement, license, or royalty fee is
;;;; required for any of the authorized uses.
;;;; This software is provided ``AS IS'' without express or implied
;;;; warranty.
;;;;
;;;;           Author: Erick Gallesio [eg@kaolin.unice.fr]
;;;;    Creation date: 28-Oct-1997 20:47
;;;; Last file update:  3-Sep-1999 19:53 (eg)
;;;;

;;;; This file implements code for loading the MATCH-CASE and MATCH-LAMBDA 
;;;; of the Bigloo system. Bigloo files are unmodified and could be probably
;;;; adapted for STk (in particular, the code can deal with structures, and 
;;;; a useful adaptation could be to manage objects instead).


(require "bigloo")

;;;;
;;;; WARNING: Order is important
;;;; 
(load "Match/s2cfun.scm")
(load "Match/normalize")
(load "Match/descr.scm")
(load "Match/compiler.scm")
(load "Match/mexpand.scm")

(with-module STk
   (import __match_expand)
   
   (define-macro (match-lambda  . clauses)
     (expand-match-lambda  (cons '()  clauses)))
   
   (define-macro (match-case expr . clauses)
     `((match-lambda  ,@clauses) ,expr)))

(provide "match")