[bpt/guile.git] / module / rnrs / syntax-case.scm

;;; syntax-case.scm --- R6RS support for `syntax-case' macros

;;      Copyright (C) 2010 Free Software Foundation, Inc.
;;
;; This library is free software; you can redistribute it and/or
;; modify it under the terms of the GNU Lesser General Public
;; License as published by the Free Software Foundation; either
;; version 3 of the License, or (at your option) any later version.
;; 
;; This library is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
;; Lesser General Public License for more details.
;; 
;; You should have received a copy of the GNU Lesser General Public
;; License along with this library; if not, write to the Free Software
;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
\f

(library (rnrs syntax-case (6))
  (export make-variable-transformer
	  syntax-case
	  syntax
	  
	  identifier?
	  bound-identifier=?
	  free-identifier=?

	  syntax->datum
	  datum->syntax
	  generate-temporaries
	  with-syntax

	  quasisyntax
	  unsyntax
	  unsyntax-splicing

	  syntax-violation)
  (import (only (guile) make-variable-transformer
		        syntax-case
		        syntax
		        
		        identifier?
			bound-identifier=?
			free-identifier=?
			
			syntax->datum
			datum->syntax
			generate-temporaries
			with-syntax

			quasisyntax
			unsyntax
			unsyntax-splicing)
	  (ice-9 optargs)
	  (rnrs base (6))
	  (rnrs conditions (6))
	  (rnrs exceptions (6))
	  (rnrs records procedural (6)))

  (define* (syntax-violation who message form #:optional subform)
    (let* ((conditions (list (make-message-condition message)
			     (make-syntax-violation form subform)))
	   (conditions (if who
			   (cons (make-who-condition who) conditions)
			   conditions)))
      (raise (apply condition conditions))))
)
Commit	Line	Data
ce543a9f JG	1	;;; syntax-case.scm --- R6RS support for `syntax-case' macros
	2
	3	;; Copyright (C) 2010 Free Software Foundation, Inc.
	4	;;
	5	;; This library is free software; you can redistribute it and/or
	6	;; modify it under the terms of the GNU Lesser General Public
	7	;; License as published by the Free Software Foundation; either
	8	;; version 3 of the License, or (at your option) any later version.
	9	;;
	10	;; This library is distributed in the hope that it will be useful,
	11	;; but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	;; Lesser General Public License for more details.
	14	;;
	15	;; You should have received a copy of the GNU Lesser General Public
	16	;; License along with this library; if not, write to the Free Software
	17	;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	18	\f
	19
	20	(library (rnrs syntax-case (6))
	21	(export make-variable-transformer
	22	syntax-case
	23	syntax
	24
	25	identifier?
	26	bound-identifier=?
	27	free-identifier=?
	28
	29	syntax->datum
	30	datum->syntax
	31	generate-temporaries
	32	with-syntax
	33
	34	quasisyntax
	35	unsyntax
	36	unsyntax-splicing
	37
	38	syntax-violation)
7bcbdce1 GW	39	(import (only (guile) make-variable-transformer
7bcbdce1 GW	40	syntax-case
ce543a9f JG	41	syntax
	42
	43	identifier?
	44	bound-identifier=?
	45	free-identifier=?
	46
	47	syntax->datum
	48	datum->syntax
	49	generate-temporaries
	50	with-syntax
	51
	52	quasisyntax
	53	unsyntax
0c7398a7 JG	54	unsyntax-splicing)
	55	(ice-9 optargs)
	56	(rnrs base (6))
	57	(rnrs conditions (6))
	58	(rnrs exceptions (6))
	59	(rnrs records procedural (6)))
ce543a9f	60
0c7398a7 JG	61	(define* (syntax-violation who message form #:optional subform)
	62	(let* ((conditions (list (make-message-condition message)
	63	(make-syntax-violation form subform)))
	64	(conditions (if who
	65	(cons (make-who-condition who) conditions)
	66	conditions)))
	67	(raise (apply condition conditions))))
	68	)