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;;; Guile High Intermediate Language
;; Copyright (C) 2001 Free Software Foundation, Inc.
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;;
;; This program 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 General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Code:
(define-module (language ghil spec)
#:use-module (system base language)
#:use-module (language glil)
#:use-module (language ghil)
#:use-module (language ghil compile-glil)
#:export (ghil))
(define (write-ghil exp . port)
(apply write (unparse-ghil exp) port))
(define (parse x)
(call-with-ghil-environment (make-ghil-toplevel-env (current-module)) '()
(lambda (env vars)
(make-ghil-lambda env #f vars #f '() (parse-ghil env x)))))
(define (join exps env)
(if (or-map (lambda (x)
(or (not (ghil-lambda? x))
(ghil-lambda-rest x)
(memq 'argument
(map ghil-var-kind
(ghil-env-variables (ghil-lambda-env x))))))
exps)
(error "GHIL expressions to join must be thunks"))
(let ((env (make-ghil-env env '()
(apply append
(map ghil-env-variables
(map ghil-lambda-env exps))))))
(make-ghil-lambda env #f '() #f '()
(make-ghil-begin env #f
(map ghil-lambda-body exps)))))
(define-language ghil
#:title "Guile High Intermediate Language (GHIL)"
#:version "0.3"
#:reader read
#:printer write-ghil
#:parser parse
#:joiner join
#:compilers `((glil . ,compile-glil))
)
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