| ;;; -*- mode: scheme; coding: utf-8; -*- | |
| ;;; | |
| ;;; 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 program. If not, see <http://www.gnu.org/licenses/>. | |
| (define-module (system base lalr) | |
| ;; XXX: In theory this import is not needed but the evaluator (not the | |
| ;; compiler) complains about `lexical-token' being unbound when expanding | |
| ;; `(define-record-type lexical-token ...)' if we omit it. | |
| #:use-module (srfi srfi-9) | |
| #:export (lalr-parser print-states | |
| make-lexical-token lexical-token? | |
| lexical-token-category | |
| lexical-token-source | |
| lexical-token-value | |
| make-source-location source-location? | |
| source-location-input | |
| source-location-line | |
| source-location-column | |
| source-location-offset | |
| source-location-length | |
| source-location->source-properties | |
| ;; `lalr-parser' is a defmacro, which produces code that refers to | |
| ;; these drivers. | |
| lr-driver glr-driver)) | |
| ;; The LALR parser generator was written by Dominique Boucher. It's available | |
| ;; from http://code.google.com/p/lalr-scm/ and released under the LGPLv3+. | |
| (include-from-path "system/base/lalr.upstream.scm") | |
| (define (source-location->source-properties loc) | |
| `((filename . ,(source-location-input loc)) | |
| (line . ,(source-location-line loc)) | |
| (column . ,(source-location-column loc)))) | |