ref: 4e2ee15fa101e23939f78f246754de558034fa40
dir: /tools/make_lts_rewrite.scm/
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;; ;;; ;;; Language Technologies Institute ;;; ;;; Carnegie Mellon University ;;; ;;; Copyright (c) 2002 ;;; ;;; All Rights Reserved. ;;; ;;; ;;; ;;; Permission is hereby granted, free of charge, to use and distribute ;;; ;;; this software and its documentation without restriction, including ;;; ;;; without limitation the rights to use, copy, modify, merge, publish, ;;; ;;; distribute, sublicense, and/or sell copies of this work, and to ;;; ;;; permit persons to whom this work is furnished to do so, subject to ;;; ;;; the following conditions: ;;; ;;; 1. The code must retain the above copyright notice, this list of ;;; ;;; conditions and the following disclaimer. ;;; ;;; 2. Any modifications must be clearly marked as such. ;;; ;;; 3. Original authors' names are not deleted. ;;; ;;; 4. The authors' names are not used to endorse or promote products ;;; ;;; derived from this software without specific prior written ;;; ;;; permission. ;;; ;;; ;;; ;;; CARNEGIE MELLON UNIVERSITY AND THE CONTRIBUTORS TO THIS WORK ;;; ;;; DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ;;; ;;; ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT ;;; ;;; SHALL CARNEGIE MELLON UNIVERSITY NOR THE CONTRIBUTORS BE LIABLE ;;; ;;; FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES ;;; ;;; WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN ;;; ;;; AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ;;; ;;; ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF ;;; ;;; THIS SOFTWARE. ;;; ;;; ;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;; Author: Alan W Black (awb@cs.cmu.edu) ;;; ;;; Date: August 2002 ;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;; ;;; ;;; Generate a C compilable lts rewrite rules. ;;; ;;; ;;; ;;; From CMU Flite ;;; ;;; ;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; (define (lts_norm_rule rule) (let (q w) (mapcar (lambda (l) (cond ((string-equal l "[") (set! q (list w)) (set! w nil)) ((string-equal l "]") (set! q (cons (reverse w) q)) (set! w nil)) ((string-equal l "=") (set! q (cons (reverse w) q)) (set! w nil)) (t (set! w (cons l w))))) rule) (set! xxx (list (car (cddr q)) ;; reversed left hand side of rules (car (cdr q)) ;; middle condition (flip_stars (car q)) ;; RHS with * reverse (reverse w))) ;; re-write output (format t "%l %l\n" rule xxx) xxx)) (define (flip_stars q) ;; We want klene star to appear before the object (cond ((null q) q) ((and (cdr q) (string-equal (cadr q) "*")) (cons (cadr q) (cons (car q) (flip_stars (cddr q))))) (t (cons (car q) (flip_stars (cdr q)))))) (define (ltsrewritestoC name fname odir) "(ltsrewritestoC name idir odir)" (let ((ofde (fopen (path-append odir (string-append name ".c")) "w")) (ofdh (fopen (path-append odir (string-append name ".h")) "w")) (rules (car (load fname t))) (ifd)) (format ofde "/*******************************************************/\n") (format ofde "/** Autogenerated lts rewrite rules for %s */\n" name) (format ofde "/** from %s */\n" name) (format ofde "/*******************************************************/\n") (format ofde "\n") (format ofde "#include \"cst_string.h\"\n") (format ofde "#include \"cst_val.h\"\n") (format ofde "#include \"cst_lts_rewrites.h\"\n") (format ofdh "extern const cst_lts_rewrites %s;\n\n" name) (cellstovals (format nil "%s_lts_sets" name) (car (cdr (cdr rules))) ofde) (set! eoc_sets cells_count) (cellstovals (format nil "%s_lts_rules" name) (mapcar lts_norm_rule (car (cdr (cdr (cdr rules))))) ofde) (if (equal? eoc_sets 0) (format ofde "#define %s_lts_sets 0\n" name) (format ofde "#define %s_lts_sets &%s_lts_sets_%04d\n" name name eoc_sets)) (format ofde "#define %s_lts_rules &%s_lts_rules_%04d\n" name name cells_count) (format ofde "\n") (format ofde "const cst_lts_rewrites %s = {\n" name) (format ofde " \"%s\",\n" name) (format ofde " %s_lts_sets,\n" name) (format ofde " %s_lts_rules,\n" name) (format ofde "};\n") (format ofde "\n") (fclose ofde) (fclose ofdh) )) (provide 'make_lts_rewrite)