pjs/js/semantics/Main.lisp

90 строки
3.3 KiB
Common Lisp
Исходник Обычный вид История

1999-11-03 06:58:07 +03:00
;;; 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>
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;;;
;;; ECMAScript semantic loader
;;;
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;;; Waldemar Horwat (waldemar@acm.org)
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;;;
#+allegro (shadow 'state)
#+allegro (shadow 'type)
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#+lispworks (shadow 'define-action)
#+lispworks (shadow 'type)
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(defparameter *semantic-engine-filenames*
'("Utilities" "Markup" "RTF" "HTML" "GrammarSymbol" "Grammar" "Parser" "Metaparser" "Lexer" "Calculus" "CalculusMarkup"))
(defparameter *semantics-filenames*
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'("JS20/Parser" "JS20/Lexer" "JS20/RegExp" "JS20/Kernel"))
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(defparameter *semantic-engine-directory*
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(make-pathname
#+lispworks :host #+lispworks (pathname-host *load-truename*)
:directory (pathname-directory #-mcl *load-truename*
#+mcl (truename *loading-file-source-file*))))
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; Convert a filename string possibly containing slashes into a Lisp relative pathname.
(defun filename-to-relative-pathname (filename)
(let ((directories nil))
(loop
(let ((slash (position #\/ filename)))
(if slash
(progn
(push (subseq filename 0 slash) directories)
(setq filename (subseq filename (1+ slash))))
(return (if directories
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(make-pathname :directory (cons ':relative (nreverse directories)) :name filename #+lispworks :type #+lispworks "lisp")
#-lispworks filename
#+lispworks (make-pathname :name filename :type "lisp"))))))))
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; Convert a filename string possibly containing slashes relative to *semantic-engine-directory*
; into a Lisp absolute pathname.
(defun filename-to-semantic-engine-pathname (filename)
(merge-pathnames (filename-to-relative-pathname filename) *semantic-engine-directory*))
(defun operate-on-files (f files &rest options)
(with-compilation-unit ()
(dolist (filename files)
(apply f (filename-to-semantic-engine-pathname filename) :verbose t options))))
(defun compile-semantic-engine ()
(operate-on-files #'compile-file *semantic-engine-filenames* :load t))
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(defun load-semantic-engine ()
(operate-on-files #-allegro #'load #+allegro #'load-compiled *semantic-engine-filenames*))
(defun load-semantics ()
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(operate-on-files #-allegro #'load #+allegro #'load-compiled *semantics-filenames*))
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(defmacro with-local-output ((stream filename) &body body)
`(with-open-file (,stream (filename-to-semantic-engine-pathname ,filename)
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:direction :output
:if-exists :supersede)
,@body))
(load-semantic-engine)
(load-semantics)