gecko-dev/js2/semantics/Test/ConstraintTest.lisp

72 строки
2.3 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>
;;;
;;; Constraint test grammar
;;;
;;; Waldemar Horwat (waldemar@acm.org)
;;;
(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*))