mes/module/nyacc/lang/c99/xparser.scm

76 lines
2.3 KiB
Scheme

;;; nyacc/lang/c99/xparser.scm - copied from parser.scm
;;;
;;; Copyright (C) 2015 Matthew R. Wette
;;;
;;; 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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
;; C parser
(define-module (nyacc lang c99 xparser)
#:export (parse-cx parse-c99x)
#:use-module (nyacc lex)
#:use-module (nyacc parse)
#:use-module (nyacc lang util)
#:use-module (nyacc lang c99 cpp)
#:use-module ((srfi srfi-9) #:select (define-record-type))
#:use-module ((sxml xpath) #:select (sxpath))
)
(include-from-path "nyacc/lang/c99/mach.d/c99xtab.scm")
(include-from-path "nyacc/lang/c99/body.scm")
(include-from-path "nyacc/lang/c99/mach.d/c99xact.scm")
;; Parse given a token generator. Uses fluid @code{*info*}.
(define raw-parser
(make-lalr-parser
(list
(cons 'len-v len-v)
(cons 'pat-v pat-v)
(cons 'rto-v rto-v)
(cons 'mtab mtab)
(cons 'act-v act-v))))
(define (run-parse)
(let ((info (fluid-ref *info*)))
(raw-parser (gen-c-lexer) #:debug (cpi-debug info))))
;; @item parse-cx [#:cpp-defs def-a-list] [#:debug bool]
;; This needs to be explained in some detail.
;; [#:tyns '("foo_t")]
(define* (parse-c99x xstr
#:key
(cpp-defs '()) ; CPP defines
(tn-dict '()) ; typedef dictionary
(xdef? #f) ; pred to determine expand
(debug #f) ; debug?
(tyns '())) ; defined typenames
(with-input-from-string xstr
(catch
#t
(lambda ()
(let ((info (make-cpi debug cpp-defs '(".") tn-dict)))
(set-cpi-ptl! info (cons tyns (cpi-ptl info)))
(with-fluid*
*info* info
(lambda ()
(raw-parser (gen-c-lexer #:mode 'code #:xdef? xdef?)
#:debug debug))))))
(lambda (key fmt . rest)
(report-error fmt rest)
#f)))
(define parse-cx parse-c99x)
;; --- last line ---