r1/interp.scm
author Tony Garnock-Jones <tonygarnockjones@gmail.com>
Wed, 16 Jan 2019 17:15:58 +0000
changeset 438 1fe179d53161
parent 223 646d45b098aa
permissions -rw-r--r--
Add missing primitive implementation for the plain interpreter.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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(require 'srfi-1)
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(require 'util)
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(require 'parsetng)
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;; This is just documentation. It's not used anywhere.
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(define %location-protocol
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  '(namespace-traits
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    (loc at: sym)
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    (loc at: sym put: val)
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    continuation-traits
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    (loc return: val)
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    (loc raise: exn)
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    required-continuation-traits
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    (loc continuation-cell)
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    concurrency-traits
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    (loc parent)
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    (loc children-cell)))
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(define runnable-suspensions '())
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;;(define runnable-suspension-counter 0)
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(define current-location #f)
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(define (metalevel-work-available?)
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  (not (null? runnable-suspensions)))
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(define (metalevel-resume-thread! suspension value)
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  ;;(set! runnable-suspension-counter (+ runnable-suspension-counter 1))
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  (push! runnable-suspensions (lambda () (suspension value))))
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(define (metalevel-location-alive? location)
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  (or (eq? *nil* location)
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      (*false*? (get-slot location 'dead))))
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(define (metalevel-unsuspend location thunk)
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  (if (metalevel-location-alive? location)
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      (begin
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	(set! current-location location)
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	(thunk))
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      (metalevel-schedule!!)))
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(define (metalevel-spawn location thunk)
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  ;;(set! runnable-suspension-counter (+ runnable-suspension-counter 1))
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  (push! runnable-suspensions (lambda () (metalevel-unsuspend location thunk))))
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(define (metalevel-suspend-thread receiver)
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  (call-with-current-continuation
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   (lambda (k)
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     (let ((location current-location))
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       (receiver (lambda (v) (metalevel-unsuspend location (lambda () (k v)))))
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       (metalevel-schedule!!)))))
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(define metalevel-root-continuation #f)
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(define (metalevel-schedule!!)
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  (metalevel-root-continuation 'throw))
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(define -metalevel-running #t)
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(define (metalevel-stop!)
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  (set! -metalevel-running #f))
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(define (metalevel-stopped?)
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  (not -metalevel-running))
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(define (metalevel-run-runnable-suspensions next-event-time)
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  (call-with-current-continuation
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   (lambda (restart-mainloop)
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     (set! metalevel-root-continuation restart-mainloop)))
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  ;;(write (list "Suspensions: "runnable-suspension-counter))(newline)
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  (do ()
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      ((or (and next-event-time (>= (get-time-of-day) next-event-time))
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	   (not -metalevel-running)
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	   (not (metalevel-work-available?))))
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    (let ((suspension (car runnable-suspensions)))
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      ;;(set! runnable-suspension-counter (- runnable-suspension-counter 1))
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      (set! runnable-suspensions (cdr runnable-suspensions))
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      (suspension)))
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  (let ((now (get-time-of-day)))
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    (if (and next-event-time
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	     (< now next-event-time))
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	(sdl-delay (truncate (* (- next-event-time now) 1000.0))))))
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(define (metalevel-suspend-on-cell c)
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  (metalevel-suspend-thread
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   (lambda (suspension)
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     (set-slot! c 'queue (cons suspension (get-slot c 'queue))))))
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(define (metalevel-peek-cell-value c)
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  (let ((val (get-slot c '_pvt_value)))
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    (if (eq? val *no-role*)
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	(let ((newval (metalevel-suspend-on-cell c)))
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	  (set-slot! c '_pvt_value newval)
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	  newval)
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	val)))
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(define (metalevel-extract-cell-value c)
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  (let ((val (get-slot c '_pvt_value)))
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    (if (eq? val *no-role*)
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	(metalevel-suspend-on-cell c)
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	(begin
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	  (set-slot! c '_pvt_value *no-role*)
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	  val))))
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(define (metalevel-inject-cell-value c v)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   106
  (if (eq? (get-slot c '_pvt_value) *no-role*)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   107
      (let ((q (get-slot c 'queue)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   108
	(if (pair? q)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   109
	    (let ((suspension (car q))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   110
		  (remainder (cdr q)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   111
	      (set-slot! c 'queue remainder)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   112
	      (metalevel-resume-thread! suspension v))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   113
	    (set-slot! c '_pvt_value v))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   114
	*nil*)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   115
      (metalevel-raise-exception (list 'cellOverflow c))))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   116
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   117
(define (extend-env name val env)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   118
  (cons (cons name val) env))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   119
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   120
(define metalevel-raise-exception error)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   121
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   122
(define metalevel-interpret
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   123
  (let ()
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   124
    (define (do-local resend env lit instr)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   125
      (cdr (assq (vector-ref instr 1) env)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   126
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   127
    (define (do-global resend env lit instr)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   128
      (let ((dict (metalevel-peek-cell-value *globals*)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   129
	(send/previous-method #f (vector-ref instr 1) (vector dict))))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   130
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   131
    (define (eval-in-par thunk)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   132
      (let* ((cell (clone-object *cell*))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   133
	     (loc (clone-object *location*)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   134
	(set-slot! loc 'continuation cell)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   135
	(set-slot! loc 'parent current-location)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   136
	(set-slot! current-location 'children (cons loc (get-slot current-location 'children)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   137
	(metalevel-spawn loc (lambda () (metalevel-inject-cell-value cell (thunk))))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   138
	cell))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   139
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   140
    (define (eval-tuple resend env lit instrs)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   141
      (let ((num-instrs (vector-length instrs)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   142
	(if (= num-instrs 1)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   143
	    (vector (vm resend env lit (vector-ref instrs 0)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   144
	    (let ((vals (make-vector num-instrs))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   145
		  (flags (make-vector num-instrs)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   146
	      (do ((index 0 (+ index 1)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   147
		  ((= index num-instrs))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   148
		(let* ((instr (vector-ref instrs index))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   149
		       (kind (vector-ref instr 0))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   150
		       (flag (or (eq? kind 'local)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   151
				 (eq? kind 'literal))))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   152
		  (vector-set! flags index flag)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   153
		  (vector-set! vals index
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   154
			       (if flag
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   155
				   (vm resend env lit instr)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   156
				   (eval-in-par (lambda () (vm resend env lit instr)))))))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   157
	      (do ((index 0 (+ index 1)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   158
		  ((= index num-instrs))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   159
		(if (not (vector-ref flags index))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   160
		    (vector-set! vals index
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   161
				 (metalevel-peek-cell-value (vector-ref vals index)))))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   162
	      vals))))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   163
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   164
    (define (do-send resend env lit instr)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   165
      (let ((selector (vector-ref instr 1))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   166
	    (vals (eval-tuple resend env lit (vector-ref instr 2))))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   167
	(debug 2 --> 0 "Send "selector" "vals)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   168
	(let ((result (send/previous-method #f selector vals)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   169
	  (debug 2 --> 0 "Rslt "selector" "vals" ==> "result)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   170
	  result)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   171
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   172
    (define (do-closure resend env lit instr)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   173
      (let* ((block (clone-object (vector-ref lit (vector-ref instr 1)))))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   174
	(set-slot! block 'environment env)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   175
	block))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   176
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   177
    (define (do-begin resend env lit instr)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   178
      (eval-statements resend env lit (vector-ref instr 1)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   179
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   180
    (define (do-scope resend env lit instr)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   181
      (let* ((name (vector-ref instr 1))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   182
	     (cell (eval-in-par (lambda ()
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   183
				  (let ((newenv (extend-env name current-location env)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   184
				    (eval-statements resend newenv lit (vector-ref instr 2)))))))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   185
	(metalevel-peek-cell-value cell)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   186
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   187
    (define (do-literal resend env lit instr)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   188
      (vector-ref lit (vector-ref instr 1)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   189
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   190
    (define (do-update resend env lit instr)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   191
      (let* ((o (clone-object (vm resend env lit (vector-ref instr 1))))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   192
	     (updates (vector-ref instr 2))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   193
	     (n (vector-length updates)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   194
	(do ((i 0 (+ i 1)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   195
	    ((= i n))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   196
	  (let ((update (vector-ref updates i)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   197
	    (let ((delegating (eq? (vector-ref update 0) *true*))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   198
		  (name (vector-ref update 1))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   199
		  (update-instr (vector-ref update 2)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   200
	      (let ((val (vm resend env lit update-instr)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   201
		(if (has-slot? o name)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   202
		    (set-slot! o name val)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   203
		    (add-slot! o name val delegating 'immutable))))))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   204
	o))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   205
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   206
    (define (do-tuple resend env lit instr)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   207
      (eval-tuple resend env lit (vector-ref instr 1)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   208
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   209
    (define (do-resend resend env lit instr)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
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diff changeset
   210
      (resend))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   211
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   212
    (define (do-method resend env lit instr)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   213
      (let ((selector (vector-ref instr 1))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   214
	    (formals (vector-ref instr 2))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   215
	    (specializer-instrs (vector-ref instr 3))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   216
	    (body-object (vector-ref instr 4))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   217
	    (method-litvec (vector-ref instr 5)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   218
	(let* ((specializers (map (lambda (specializer-instr)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   219
				    (vm resend env lit specializer-instr))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   220
				  (vector->list specializer-instrs)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   221
	       (method (define-method! selector formals specializers body-object)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   222
	  (set-slot! method 'literals method-litvec)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   223
	  *nil*)))
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parents:
diff changeset
   224
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   225
    (define (eval-statement resend env lit statement k)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   226
      (if (eq? (vector-ref statement 0) 'bind)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
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   227
	  (let* ((name (vector-ref statement 1))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   228
		 (instr (vector-ref statement 2))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   229
		 (newenv (extend-env name *nil* env))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   230
		 (value (vm resend newenv lit instr)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   231
	    (set-cdr! (car newenv) value)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   232
	    (k newenv value))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   233
	  (k env (vm resend env lit statement))))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   234
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   235
    (define (eval-statements resend env lit statements)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   236
      (let ((n (vector-length statements)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   237
	(let loop ((env env)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   238
		   (i 0)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   239
		   (acc *nil*))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   240
	  (if (= i n)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
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parents:
diff changeset
   241
	      acc
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   242
	      (eval-statement resend env lit (vector-ref statements i)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   243
			      (lambda (newenv value)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   244
				(loop newenv (+ i 1) value)))))))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   245
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   246
    (define optable (make-hash-table eq?))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   247
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   248
    (define (vm resend env lit instr)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   249
      (debug 1 --> 0 "Eval "instr)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   250
      (debug 2 --> 0 "Env= "env)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   251
      (let ((result ((hash-table-ref optable (vector-ref instr 0)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   252
				     (lambda _ (error "Unknown instruction" instr)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   253
		     resend env lit instr)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   254
	(debug 2 --> 0 "Done "instr" ==> "result)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   255
	result))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   256
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   257
    (hash-table-set! optable 'local do-local)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   258
    (hash-table-set! optable 'global do-global)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   259
    (hash-table-set! optable 'send do-send)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   260
    (hash-table-set! optable 'closure do-closure)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   261
    (hash-table-set! optable 'begin do-begin)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   262
    (hash-table-set! optable 'scope do-scope)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   263
    (hash-table-set! optable 'literal do-literal)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   264
    (hash-table-set! optable 'update do-update)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   265
    (hash-table-set! optable 'tuple do-tuple)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   266
    (hash-table-set! optable 'resend do-resend)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   267
    (hash-table-set! optable 'method do-method)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   268
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   269
    vm))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   270
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   271
(define (metalevel-eval-method code method argv)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   272
  (let* ((litvec (get-slot method 'literals))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   273
	 (prologue (car code))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   274
	 (instruction (cdr code))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   275
	 (need-block-environment? (eq? *true* (vector-ref prologue 1))))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   276
    (bump-invocation-count! prologue method)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   277
    (metalevel-interpret (if need-block-environment?
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   278
			     #f
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   279
			     (lambda ()
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   280
			       (send/previous-method method (get-slot method 'selector) argv)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   281
			 (fold extend-env
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   282
			       (if need-block-environment?
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   283
				   (get-slot (vector-ref argv 0) 'environment)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   284
				   '())
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   285
			       (get-slot method 'arguments)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   286
			       (vector->list argv))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   287
			 litvec
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   288
			 instruction)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   289
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   290
(define (metalevel-eval ast)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   291
  (let-values (((instr litvec) (compile-ThiNG ast)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   292
    (metalevel-interpret #f '() litvec instr)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   293
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   294
(define (ThiNG-load-file filename)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   295
  (let-values (((success ast) (call-with-input-file filename
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   296
				(lambda (port)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   297
				  (parse-ThiNG filename
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   298
					       ThiNG-parser
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   299
					       (lambda () (read-char port)))))))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   300
    (if success
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   301
	(cons *true* (metalevel-eval `(scope ,*nil* ,ast)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   302
	(cons *false* ast))))