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7bbed5181c
* module/system/vm/vm.scm: * libguile/vm.h: * libguile/vm.c: Make the `the-vm' procedure access a fluid, `*the-vm*'. Export that fluid from vm.h and vm.scm.
62 lines
2 KiB
Scheme
62 lines
2 KiB
Scheme
;;; Guile VM core
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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 (system vm vm)
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#:use-module (system vm frame)
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#:use-module (system vm objcode)
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#:export (vm? the-vm *the-vm* make-vm vm-version
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vm:ip vm:sp vm:fp vm:last-ip
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vm-load vm-return-value
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vm-option set-vm-option! vm-version
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vm-fetch-locals vm-fetch-externals
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vm-last-frame vm-this-frame vm-fetch-stack vm-save-stack
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vm-current-frame-chain vm-last-frame-chain
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vm-stats vms:time vms:clock
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vm-next-hook vm-apply-hook vm-boot-hook vm-return-hook
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vm-break-hook vm-exit-hook vm-halt-hook vm-enter-hook))
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(dynamic-call "scm_init_vm" (dynamic-link "libguile"))
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(define (vm-current-frame-chain vm)
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(make-frame-chain (vm-this-frame vm) (vm:ip vm)))
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(define (vm-last-frame-chain vm)
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(make-frame-chain (vm-last-frame vm) (vm:last-ip vm)))
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(define (vm-fetch-locals vm)
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(frame-local-variables (vm-this-frame vm)))
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(define (vm-fetch-externals vm)
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(frame-external-variables (vm-this-frame vm)))
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(define (vm-return-value vm)
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(car (vm-fetch-stack vm)))
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(define (vms:time stat) (vector-ref stat 0))
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(define (vms:clock stat) (vector-ref stat 1))
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(define (vm-load vm objcode)
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(vm (objcode->program objcode)))
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