r1/compile.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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;; Compile AST to a set of prototype methods and blocks.
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(define-record-type compilation-state
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  (make-compilation-state* next-literal rev-literals)
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  compilation-state?
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  (next-literal compilation-state-next-literal)
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  (rev-literals compilation-state-rev-literals))
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(define (make-compilation-state)
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  (make-compilation-state* 0 '()))
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(define (push-literal state val)
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  (let ((i (compilation-state-next-literal state)))
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    (values i
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	    (make-compilation-state* (+ i 1)
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				     (cons val (compilation-state-rev-literals state))))))
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(define (finish-compilation-state state)
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  (list->vector (reverse (compilation-state-rev-literals state))))
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(define *all-method-code-prologues* '())
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(define *invocation-count-decay-half-life* 15) ;; seconds
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(define *invocation-count-update-interval* 4) ;; seconds
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(define *recompilation-count-limit* 1000)
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(define (instruction->code instr is-closure)
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  (let ((prologue (vector 0 (if is-closure *true* *false*))))
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    (let ((locative (make-weak-locative prologue 0)))
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      (push! *all-method-code-prologues* locative))
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    (cons prologue instr)))
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(define (invocation-count-decay-constant)
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  (exp (/ (log 2)
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	  (/ *invocation-count-decay-half-life* *invocation-count-update-interval*))))
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(define (decay-invocation-counts!)
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  (debug 0 "Decaying invocation counts...")
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  (let ((decay-constant (invocation-count-decay-constant)))
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    (set! *all-method-code-prologues*
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	  (filter! (lambda (locative)
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		     (let ((prologue (locative->object locative)))
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		       (if prologue
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			   (vector-set! prologue 0 (/ (vector-ref prologue 0) decay-constant)))
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		       prologue))
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		   *all-method-code-prologues*))))
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(define (bump-invocation-count! prologue method)
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  (let ((invocation-count (+ (vector-ref prologue 0) 1)))
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    (vector-set! prologue 0 invocation-count)
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    (if (>= invocation-count *recompilation-count-limit*)
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	(begin
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	  (vector-set! prologue 0 0)
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	  (recompile-method! method)))))
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(define compile-ThiNG
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  (let ()
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    (define (do-ref cenv state name)
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      (let* ((name (string->symbol name)))
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	(values (cond ((memq name cenv) `#(local ,name))
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		      (else `#(global ,name)))
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		state)))
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    (define (compile-tuple cenv state exprs)
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      (let loop ((exprs exprs)
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		 (state state)
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		 (acc '()))
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	(if (null? exprs)
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	    (values (list->vector (reverse acc)) state)
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	    (let*-values (((instr state) (compile cenv state (car exprs))))
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	      (loop (cdr exprs)
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		    state
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		    (cons instr acc))))))
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    (define (do-send cenv state selector exprs)
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      (let-values (((selector) (string->symbol selector))
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		   ((instrs state) (compile-tuple cenv state exprs)))
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	(values `#(send ,selector ,instrs)
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		state)))
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    (define (do-block cenv state binders statements)
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      (let* ((block (clone-object *block*))
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	     (num-formals (length binders))
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	     (formals (map string->symbol binders))
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	     (formal-cenv (append (cons '_ formals) cenv))
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	     (selector (if (zero? num-formals)
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			   'do
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			   (string->symbol
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			    (string-concatenate (cons "applyWith:"
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						      (make-list (- num-formals 1) "with:")))))))
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	(let*-values (((instr block-state)
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		       (compile formal-cenv (make-compilation-state)
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				`(scope ,*nil* ,statements)))
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		      ((litvec) (finish-compilation-state block-state))
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		      ((method) (define-method! selector (cons '_ formals) (list block)
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				  (instruction->code instr #t)))
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		      ((block-index state) (push-literal state block)))
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	  (set-slot! method 'literals litvec)
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	  (values `#(closure ,block-index)
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		  state))))
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    (define (do-scope cenv state name statements)
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      (if (eq? *nil* name)
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	  (let-values (((instrs state) (compile-statements cenv state statements)))
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   104
	    (values `#(begin ,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
   105
		    state))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   106
	  (let*-values (((name) (string->symbol 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
   107
			((instrs state) (compile-statements (cons name cenv) state statements)))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   108
	    (values `#(scope ,name ,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
   109
		    state))))
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
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
    (define (do-literal cenv state 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
   112
      (let-values (((index state) (push-literal state 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
   113
	(values `#(literal ,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
   114
		state)))
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
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
    (define (do-update cenv state template-expr 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
   117
      (let*-values (((template-instr state) (compile cenv state template-expr))
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   118
		    ((updates state)
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
		     (let loop ((updates 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
   120
				(state state)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   121
				(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
   122
		       (if (null? 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
   123
			   (values (list->vector (reverse acc)) state)
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
			   (let*-values (((update) (car 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
   125
					 ((update-instr state)
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
					  (compile cenv state (caddr 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
   127
			     (loop (cdr 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
   128
				   state
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   129
				   (cons (vector (car 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
   130
						 (string->symbol (cadr 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
   131
						 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
   132
					 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
   133
	(values `#(update ,template-instr ,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
   134
		state)))
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
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
    (define (do-tuple cenv state exprs)
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
      (let-values (((instrs state) (compile-tuple cenv state exprs)))
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
	(values `#(tuple ,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
   139
		state)))
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
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
    (define (do-resend cenv state)
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
      (values `#(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
   143
	      state))
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
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
    (define (do-method cenv state pattern statements)
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
      (let* ((selector (string->symbol (cadr pattern)))
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
	     (params (caddr pattern))
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
	     (formals (map (lambda (entry) (string->symbol (or (non-*false*? (car entry))
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
							       "_")))
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
			   params)))
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
	(let*-values (((specializer-instrs state)
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
		       (compile-tuple cenv state (map (lambda (entry)
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
							(let ((exp (cadr entry)))
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 (non-*false*? exp)
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
							      exp
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
							      `(ref "NoRole"))))
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
						      params)))
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
		      ((body-instr method-state)
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
		       (compile formals (make-compilation-state) `(scope ,*nil* ,statements)))
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
		      ((method-litvec) (finish-compilation-state method-state)))
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
	  (values `#(method ,selector ,formals ,specializer-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
   162
			    ,(instruction->code body-instr #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
   163
			    ,method-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
   164
		  state))))
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
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
    (define (compile-statement cenv state statement)
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
      (if (and (pair? statement)
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
	       (eq? (car statement) '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
   169
	  (let* ((name (string->symbol (cadr statement)))
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
		 (expr (caddr statement))
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
		 (newenv (cons name cenv)))
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
	    (let-values (((instr state) (compile newenv state expr)))
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
	      (values `#(bind ,name ,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
   174
		      newenv
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
		      state)))
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
	  (let-values (((instr state) (compile cenv state statement)))
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
	    (values instr cenv state))))
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
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
    (define (compile-statements cenv state statements)
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
      (let loop ((cenv cenv)
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
		 (state state)
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
		 (statements statements)
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
		 (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
   184
	(if (null? statements)
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
	    (values (list->vector (reverse 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
   186
		    state)
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
	    (let-values (((instr cenv state) (compile-statement cenv state (car statements))))
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
	      (loop cenv
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
		    state
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
		    (cdr statements)
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
		    (cons instr 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
   192
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
    (define (compile cenv state 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
   194
      (debug 1 "compile "ast" "cenv)
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
      (cond
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
       ((pair? 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
   197
	(apply (cond
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
		((assq (car ast) `((ref ,do-ref)
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
				   (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
   200
				   (block ,do-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
   201
				   (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
   202
				   (string ,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
   203
				   (symbol ,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
   204
				   (number ,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
   205
				   (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
   206
				   (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
   207
				   (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
   208
				   (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
   209
				   )) => cadr)
646d45b098aa During the darcs->hg conversion, some "darcs mv" were turned into "hg rm"!
Tony Garnock-Jones <tonyg@kcbbs.gen.nz>
parents:
diff changeset
   210
		(else (error "Unknown ast kind" 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
   211
	       cenv state
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	       (cdr ast)))
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       (else (error "Non-pair ast" ast))))
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    (lambda (ast)
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      (let-values (((instr state) (compile '() (make-compilation-state) ast)))
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	(values instr
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		(finish-compilation-state state))))))
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(define (instruction-vector-size seed instr-vec)
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  (vector-fold (lambda (instr acc) (+ (instruction-size instr) acc)) seed instr-vec))
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(define (instruction-size instr)
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  (case (vector-ref instr 0)
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    ((local global closure literal resend) 1)
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    ((send) (instruction-vector-size 1 (vector-ref instr 2)))
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    ((begin) (instruction-vector-size 0 (vector-ref instr 1)))
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    ((scope) (instruction-vector-size 0 (vector-ref instr 2)))
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    ((update) (instruction-vector-size 1 (vector-ref instr 2)))
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    ((tuple) (instruction-vector-size 1 (vector-ref instr 1)))
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    ((method) 1) ;; not quite correct, but mneh. until the macro is expanded properly, will do.
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    (else (error "Illegal instruction in instruction-size" instr))))
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(define (recompile-method! method)
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  (let ((instr (cdr (get-slot method 'code))))
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    (pretty-print `(recompile-method!
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		    (size ,(instruction-size instr))
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		    (instr ,instr)))))