зеркало из https://github.com/mozilla/gecko-dev.git
68 строки
2.1 KiB
Common Lisp
68 строки
2.1 KiB
Common Lisp
;;; The contents of this file are subject to the Netscape Public License
|
|
;;; Version 1.0 (the "NPL"); you may not use this file except in
|
|
;;; compliance with the NPL. You may obtain a copy of the NPL at
|
|
;;; http://www.mozilla.org/NPL/
|
|
;;;
|
|
;;; Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
;;; WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
;;; for the specific language governing rights and limitations under the
|
|
;;; NPL.
|
|
;;;
|
|
;;; The Initial Developer of this code under the NPL is Netscape
|
|
;;; Communications Corporation. Portions created by Netscape are
|
|
;;; Copyright (C) 1999 Netscape Communications Corporation. All Rights
|
|
;;; Reserved.
|
|
|
|
;;;
|
|
;;; Constraint test grammar
|
|
;;;
|
|
;;; Waldemar Horwat (waldemar@netscape.com)
|
|
;;;
|
|
|
|
(declaim (optimize (debug 3)))
|
|
|
|
(progn
|
|
(defparameter *ctw*
|
|
(generate-world
|
|
"T"
|
|
'((grammar constraint-test-grammar :lr-1 :start)
|
|
|
|
(production :start (:string) start-string)
|
|
(production :start ((:- letter digit) :chars) start-escape)
|
|
(production :start ((:- escape) :char) start-letter-digit)
|
|
|
|
(production :string (begin :chars end) string)
|
|
|
|
(production :chars () chars-none)
|
|
(production :chars (:chars :char) chars-some)
|
|
|
|
(production :char (letter (:- letter)) char-letter)
|
|
(production :char (digit) char-digit)
|
|
(production :char (escape digit (:- digit)) char-escape-1)
|
|
(production :char (escape digit digit) char-escape-2)
|
|
)))
|
|
|
|
(defparameter *ctg* (world-grammar *ctw* 'constraint-test-grammar)))
|
|
|
|
|
|
#|
|
|
(depict-rtf-to-local-file
|
|
";Test;ConstraintTestGrammar.rtf"
|
|
"Constraint Test Grammar"
|
|
#'(lambda (markup-stream)
|
|
(depict-world-commands markup-stream *ctw* :visible-semantics nil)))
|
|
|
|
(depict-html-to-local-file
|
|
";Test;ConstraintTestGrammar.html"
|
|
"Constraint Test Grammar"
|
|
t
|
|
#'(lambda (markup-stream)
|
|
(depict-world-commands markup-stream *ctw* :visible-semantics nil)))
|
|
|
|
(with-local-output (s ";Test;ConstraintTestGrammar.txt") (print-grammar *ctg* s))
|
|
|
|
(pprint (parse *ctg* #'identity '(begin letter letter letter digit end)))
|
|
|#
|
|
|
|
(length (grammar-states *ctg*))
|