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;;; 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
(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))))
)
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