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5d6fb8bbeb
* module/system/base/language.scm (lookup-decompilation-order): New function, like its compiling cousin, but backwards. (compute-translation-order): Rework so that languages can be specified either by name or by identity. Return a list of language - procedure pairs, without the "to" language in the list, instead of a list of languages. (invalidate-compilation-cache!): Invalidate the decompilation cache too. (<language>): Add a decompiler field. * module/system/base/compile.scm (compile-passes): Much simpler now that lookup-compilation-order gives us the procedures directly. * module/language/*/spec.scm: Specify compilers by name, so that we can avoid unnecessary module loads, and so that when we specify decompilers, we can avoid cycles.
52 lines
1.6 KiB
Scheme
52 lines
1.6 KiB
Scheme
;;; Guile Lowlevel Intermediate Language
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;; Copyright (C) 2001 Free Software Foundation, Inc.
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;;
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;; This program 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
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;; GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with this program; see the file COPYING. If not, write to
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;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Code:
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(define-module (language objcode spec)
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#:use-module (system base language)
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#:use-module (system vm objcode)
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#:use-module (system vm program)
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#:export (objcode make-objcode-env))
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(define (make-objcode-env module externals)
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(cons module externals))
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(define (objcode-env-module env)
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(if env (car env) (current-module)))
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(define (objcode-env-externals env)
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(if env (cdr env) '()))
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(define (objcode->value x e opts)
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(let ((thunk (make-program x #f (objcode-env-externals e))))
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(if e
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(save-module-excursion
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(lambda ()
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(set-current-module (objcode-env-module e))
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(values (thunk) #f)))
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(values (thunk) #f))))
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(define-language objcode
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#:title "Guile Object Code"
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#:version "0.3"
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#:reader #f
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#:printer write-objcode
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#:compilers `((value . ,objcode->value))
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)
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