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guile/module/system/repl/common.scm
Andy Wingo 07e56b27a1 big reorg of scheme modules -- e.g. programs.c -> (system vm program)
This reorganization kills the ugly module-export-all hacks in
bootstrap.scm and core.scm. In fact, it gets rid of core.scm entirely,
breaking out its functionality into separate files.

* module/system/vm/trace.scm:
* module/system/vm/profile.scm:
* module/system/vm/disasm.scm:
* module/system/vm/debug.scm:
* module/system/vm/conv.scm:
* module/system/vm/assemble.scm:
* module/system/repl/repl.scm:
* module/system/repl/common.scm:
* module/system/base/compile.scm:
* module/system/repl/command.scm: Update for changes, and fix a bug in
  procedure-documentation.

* module/system/vm/bootstrap.scm: Just call scm_bootstrap_vm, which
  handles setting load-compiled for us.

* module/system/vm/core.scm: Removed, functionality folded into other
  modules.

* module/system/vm/frame.scm: Export the C frame procedures here; also
  move scheme functions from core.scm here.

* module/system/vm/instruction.scm: New file, exports procedures from
  instructions.c.

* module/system/vm/objcode.scm: New file, exports procedures from
  objcodes.c.

* module/system/vm/program.scm: New file, exports procedures from
  programs.c, and some scheme functions originally from core.scm.

* module/system/vm/vm.scm: New file, from vm.c and core.scm.

* src/Makefile.am (libguile_vm_la_SOURCES): Add bootstrap.h.

* src/bootstrap.h: New file, prototypes scm_bootstrap_vm (), which the
  scm_init_* functions call.

* src/frames.h:
* src/frames.c (scm_init_frames):
* src/frames.c (scm_bootstrap_frames):

* src/vm.h:
* src/instructions.h:
* src/instructions.c (scm_init_instructions):
* src/instructions.c (scm_bootstrap_instructions):
* src/objcodes.h:
* src/objcodes.c (scm_bootstrap_objcodes):
* src/objcodes.c (scm_init_objcodes):
* src/programs.h:
* src/programs.c (scm_bootstrap_programs):
* src/programs.c (scm_init_programs):
* src/vm.c (scm_bootstrap_vm):
* src/vm.c (scm_init_vm): Call scm_bootstrap_vm() before doing anything
  in an init function. Bootstrap_vm will call bootstrap_instructions(),
  etc to initialize types, then set load-compiled to point to
  load-compiled/vm.

* src/vm.c (scm_load_compiled_with_vm): Code to load .go files, if
  they're present.
2008-08-07 13:11:27 +02:00

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;;; Repl common routines
;; Copyright (C) 2001 Free Software Foundation, Inc.
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Code:
(define-module (system repl common)
:use-syntax (system base syntax)
:use-module (system base compile)
:use-module (system base language)
:use-module (system vm vm)
:export (<repl> make-repl repl-vm repl-language repl-options
repl-tm-stats repl-gc-stats repl-vm-stats
repl-welcome repl-prompt repl-read repl-compile repl-eval
repl-print repl-option-ref repl-option-set!
puts ->string user-error))
;;;
;;; Repl type
;;;
(define-record (<repl> vm language options tm-stats gc-stats vm-stats))
(define repl-default-options
'((trace . #f)))
(define %make-repl make-repl)
(define (make-repl lang)
(%make-repl :vm (the-vm)
:language (lookup-language lang)
:options repl-default-options
:tm-stats (times)
:gc-stats (gc-stats)
:vm-stats (vm-stats (the-vm))))
(define (repl-welcome repl)
(let ((language (repl-language repl)))
(format #t "~A interpreter ~A on Guile ~A\n"
(language-title language) (language-version language) (version)))
(display "Copyright (C) 2001-2008 Free Software Foundation, Inc.\n\n")
(display "Enter `,help' for help.\n"))
(define (repl-prompt repl)
(format #f "~A@~A> " (language-name (repl-language repl))
(module-name (current-module))))
(define (repl-read repl)
((language-reader (repl-language repl))))
(define (repl-compile repl form . opts)
(apply compile-in form (current-module) (repl-language repl) opts))
(define (repl-eval repl form)
(let ((eval (language-evaluator (repl-language repl))))
(if eval
(eval form (current-module))
(vm-load (repl-vm repl) (repl-compile repl form)))))
(define (repl-print repl val)
(if (not (eq? val *unspecified*))
(begin
((language-printer (repl-language repl)) val)
(newline))))
(define (repl-option-ref repl key)
(assq-ref (repl-options repl) key))
(define (repl-option-set! repl key val)
(set! (repl-options repl) (assq-set! (repl-options repl) key val)))
;;;
;;; Utilities
;;;
(define (puts x) (display x) (newline))
(define (->string x)
(object->string x display))
(define (user-error msg . args)
(throw 'user-error #f msg args #f))