зеркало из https://github.com/mozilla/gecko-dev.git
81 строка
3.0 KiB
Common Lisp
81 строка
3.0 KiB
Common Lisp
;;; The contents of this file are subject to the Mozilla Public
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;;; License Version 1.1 (the "License"); you may not use this file
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;;; except in compliance with the License. You may obtain a copy of
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;;; the License at http://www.mozilla.org/MPL/
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;;;
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;;; Software distributed under the License is distributed on an "AS
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;;; IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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;;; implied. See the License for the specific language governing
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;;; rights and limitations under the License.
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;;;
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;;; The Original Code is the Language Design and Prototyping Environment.
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;;;
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;;; The Initial Developer of the Original Code is Netscape Communications
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;;; Corporation. Portions created by Netscape Communications Corporation are
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;;; Copyright (C) 1999-2002 Netscape Communications Corporation. All
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;;; Rights Reserved.
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;;;
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;;; Contributor(s): Waldemar Horwat <waldemar@acm.org>
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;;;
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;;; Alternatively, the contents of this file may be used under the terms of
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;;; either the GNU General Public License Version 2 or later (the "GPL"), or
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;;; the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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;;; in which case the provisions of the GPL or the LGPL are applicable instead
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;;; of those above. If you wish to allow use of your version of this file only
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;;; under the terms of either the GPL or the LGPL, and not to allow others to
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;;; use your version of this file under the terms of the MPL, indicate your
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;;; decision by deleting the provisions above and replace them with the notice
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;;; and other provisions required by the GPL or the LGPL. If you do not delete
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;;; the provisions above, a recipient may use your version of this file under
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;;; the terms of any one of the MPL, the GPL or the LGPL.
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;;;
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;;; Line-break sensitive test grammar
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;;;
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;;; Waldemar Horwat (waldemar@acm.org)
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;;;
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(declaim (optimize (debug 3)))
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(progn
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(defparameter *ltw*
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(generate-world
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"T"
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'((line-grammar line-test-grammar :lalr-1 :start)
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(production :start (a) start-a)
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(production :start (b :no-line-break c) start-b-c)
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(production :start (d :no-line-break :y z) start-d-y-z)
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(production :start (e :y z) start-e-y-z)
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(production :start (:q :no-line-break a) start-q-a)
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(production :start (c :q a) start-c-q-a)
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(production :y () y-empty)
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(production :y (x) y-x)
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(production :q (x x) q-x-x)
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)))
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(defparameter *ltg* (world-grammar *ltw* 'line-test-grammar)))
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#|
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(depict-rtf-to-local-file
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"Test/LineTestGrammar.rtf"
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"Line Test Grammar"
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#'(lambda (markup-stream)
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(depict-world-commands markup-stream *ltw* :heading-offset 1 :visible-semantics nil)))
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(depict-html-to-local-file
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"Test/LineTestGrammar.html"
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"Line Test Grammar"
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t
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#'(lambda (markup-stream)
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(depict-world-commands markup-stream *ltw* :heading-offset 1 :visible-semantics nil)))
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(print-grammar *ltg*)
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(with-local-output (s "Test/LineTestGrammar.txt") (print-grammar *ltg* s))
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;(pprint (parse *ltg* #'identity '(begin letter letter letter digit end)))
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|#
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(length (grammar-states *ltg*))
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