gecko-dev/js/semantics/Test/CanonicalLRTest.lisp
waldemar%netscape.com 2e91b03fa0 First Checked In.
1999-12-04 05:01:34 +00:00

67 lines
2.1 KiB
Common Lisp

;;; The contents of this file are subject to the Mozilla Public
;;; License Version 1.1 (the "License"); you may not use this file
;;; except in compliance with the License. You may obtain a copy of
;;; the License at http://www.mozilla.org/MPL/
;;;
;;; Software distributed under the License is distributed on an "AS
;;; IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
;;; implied. See the License for the specific language governing
;;; rights and limitations under the License.
;;;
;;; The Original Code is the Language Design and Prototyping Environment.
;;;
;;; The Initial Developer of the Original Code is Netscape Communications
;;; Corporation. Portions created by Netscape Communications Corporation are
;;; Copyright (C) 1999 Netscape Communications Corporation. All
;;; Rights Reserved.
;;;
;;; Contributor(s): Waldemar Horwat <waldemar@acm.org>
;;;
;;; Canonical LR(1) test grammar
;;;
;;; Waldemar Horwat (waldemar@acm.org)
;;;
(declaim (optimize (debug 3)))
(progn
(defparameter *clrtw*
(generate-world
"T"
'((grammar canonical-lr-test-grammar :canonical-lr-1 :start)
(production :start (:expr) start-expr)
(production :start (:expr !) start-expr-!)
(production :expr (id) expr-id)
(production :expr (:expr + id) expr-plus)
(production :expr (:expr - id (:- -)) expr-minus)
(production :expr (\( :expr \)) expr-parens)
)))
(defparameter *clrtg* (world-grammar *clrtw* 'canonical-lr-test-grammar)))
#|
(depict-rtf-to-local-file
"Test/CanonicalLRTestGrammar.rtf"
"Canonical LR(1) Test Grammar"
#'(lambda (markup-stream)
(depict-world-commands markup-stream *clrtw* :visible-semantics nil)))
(depict-html-to-local-file
"Test/CanonicalLRTestGrammar.html"
"Canonical LR(1) Test Grammar"
t
#'(lambda (markup-stream)
(depict-world-commands markup-stream *clrtw* :visible-semantics nil)))
(print-grammar *clrtg*)
(with-local-output (s "Test/CanonicalLRTestGrammar.txt") (print-grammar *clrtg* s))
(pprint (parse *clrtg* #'identity '(begin letter letter letter digit end)))
|#
(length (grammar-states *clrtg*))