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53befeb700
(Not quite finished, the following will be done tomorrow. module/srfi/*.scm module/rnrs/*.scm module/scripts/*.scm testsuite/*.scm guile-readline/* )
78 lines
2.8 KiB
Scheme
78 lines
2.8 KiB
Scheme
;;; ECMAScript for Guile
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;; Copyright (C) 2009 Free Software Foundation, Inc.
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;;;; This library is free software; you can redistribute it and/or
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;;;; modify it under the terms of the GNU Lesser General Public
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;;;; License as published by the Free Software Foundation; either
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;;;; version 3 of the License, or (at your option) any later version.
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;;;;
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;;;; This library is distributed in the hope that it will be useful,
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;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;;;; Lesser General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU Lesser General Public
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;;;; License along with this library; if not, write to the Free Software
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;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;;; Code:
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(define-module (language ecmascript function)
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#:use-module (oop goops)
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#:use-module (language ecmascript base)
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#:export (*function-prototype* *program-wrappers*))
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(define-class <js-program-wrapper> (<js-object>))
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(define *program-wrappers* (make-doubly-weak-hash-table 31))
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(define *function-prototype* (make <js-object> #:class "Function"
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#:value (lambda args *undefined*)))
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(define-js-method *function-prototype* (toString)
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(format #f "~A" (js-value this)))
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(define-js-method *function-prototype* (apply this-arg array)
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(cond ((or (null? array) (eq? array *undefined*))
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(call/this this-arg (js-value this)))
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((is-a? array <js-array-object>)
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(call/this this-arg
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(lambda ()
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(apply (js-value this)
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(vector->list (js-array-vector array))))))
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(else
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(throw 'TypeError 'apply array))))
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(define-js-method *function-prototype* (call this-arg . args)
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(call/this this-arg
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(lambda ()
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(apply (js-value this) args))))
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(define-method (pget (o <applicable>) p)
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(let ((wrapper (hashq-ref *program-wrappers* o)))
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(if wrapper
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(pget wrapper p)
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(pget *function-prototype* p))))
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(define-method (pput (o <applicable>) p v)
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(let ((wrapper (hashq-ref *program-wrappers* o)))
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(if wrapper
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(pput wrapper p v)
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(let ((wrapper (make <js-program-wrapper> #:value o #:class "Function"
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#:prototype *function-prototype*)))
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(hashq-set! *program-wrappers* o wrapper)
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(pput wrapper p v)))))
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(define-method (js-prototype (o <applicable>))
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(let ((wrapper (hashq-ref *program-wrappers* o)))
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(if wrapper
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(js-prototype wrapper)
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#f)))
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(define-method (js-constructor (o <applicable>))
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(let ((wrapper (hashq-ref *program-wrappers* o)))
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(if wrapper
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(js-constructor wrapper)
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#f)))
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