* split libcontrol into primitive libcontrol0 and extended

libcontrol1.
This commit is contained in:
Abdulaziz Ghuloum 2007-02-12 19:17:31 -05:00
parent fad2c4e999
commit 2e477881b6
5 changed files with 117 additions and 29 deletions

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@ -124,6 +124,7 @@
[vector? p]
[null? p]
[eof-object? p]
;[eof-object v]
[procedure? p]
[symbol? p]
[boolean? p]
@ -139,6 +140,11 @@
[cons v]
[$car v]
[$cdr v]
;[$char<= p]
;[$char= p]
;[$char->fixnum v]
[$vector-ref v]
[$vector-set! e]
@ -153,10 +159,16 @@
[$closure-code v]
[$code-freevars v]
[primitive-set! e]
[$fp-at-base p]
[$current-frame v]
[$seal-frame-and-call tail]
[$frame->continuation v]
))
(define library-prims
'(vector
list
list list*
not
car cdr
))
@ -486,7 +498,7 @@
(make-jmpcall label (V rator) (map V rand*))]
[(primcall op rands)
(case (prim-context op)
[(v) (make-primcall op (map V rands))]
[(v tail) (make-primcall op (map V rands))]
[(p) (Unpred x)]
[(e)
(let f ([rands rands])
@ -526,6 +538,14 @@
;;;
(Program x))
(define-syntax seq*
(syntax-rules ()
[(_ e) e]
[(_ e* ... e)
(make-seq (seq* e* ...) e)]))
(define (specify-representation x)
(define who 'specify-representation)
;;;
@ -559,11 +579,6 @@
(make-bind (list lhs* ...)
(list rhs* ...)
b b* ...))])))
(define-syntax seq*
(syntax-rules ()
[(_ e) e]
[(_ e* ... e)
(make-seq (seq* e* ...) e)]))
(define (Effect x)
(define (mem-assign v x i)
(tbind ([q v])
@ -686,6 +701,12 @@
(tag-test t fixnum-mask fixnum-tag)
(make-constant #t)
(tag-test t 7 7)))]
[($fp-at-base)
(prm '=
(prm 'int+
(prm 'mref pcr (K 12)) ;;; PCB FRAME-BASE
(K (- wordsize)))
fpr)]
[else (error who "pred prim ~a not supported" op)])]
[(mvcall rator x)
(make-mvcall (Value rator) (Clambda x Pred))]
@ -693,7 +714,7 @@
;;;
(define (err x)
(error who "invalid form ~s" (unparse x)))
;;;
;;; value
(define (Value x)
(record-case x
[(constant) (constant-rep x)]
@ -740,6 +761,48 @@
(prm 'mset! t (K (- disp-car pair-tag)) a)
(prm 'mset! t (K (- disp-cdr pair-tag)) d)
t)))]
[($current-frame) ;; PCB NEXT-CONTINUATION
(prm 'mref pcr (K 12))]
[($seal-frame-and-call)
(tbind ([proc (Value (car arg*))])
(tbind ([k (prm 'alloc
(K disp-continuation-size)
(K vector-tag))])
(tbind ([base (prm 'int+
(prm 'mref pcr (K 28))
(K (- wordsize)))])
(tbind ([underflow-handler
(prm 'mref base (K 0))])
(seq*
(prm 'mset! k
(K (- vector-tag))
(K continuation-tag))
(prm 'mset! k
(K (- disp-continuation-top vector-tag))
fpr)
(prm 'mset! k
(K (- disp-continuation-next vector-tag))
(prm 'mref pcr (K 12))) ;;; PCB NEXT CONT
(prm 'mset! k
(K (- disp-continuation-size vector-tag))
(prm 'int- base fpr))
(prm 'mset! pcr (K 12) k)
(make-primcall '$call-with-underflow-handler
(list underflow-handler proc k)))))))]
[($frame->continuation)
(tbind ([arg (Value (car arg*))])
(tbind ([t (prm 'alloc
(K (align (+ disp-closure-data wordsize)))
(K closure-tag))])
(seq*
(prm 'mset! t
(K (- disp-closure-code closure-tag))
(make-constant
(make-code-loc SL_continuation_code)))
(prm 'mset! t
(K (- disp-closure-data closure-tag))
arg)
t)))]
[($cpref)
(let ([a0 (car arg*)] [a1 (cadr arg*)])
(record-case a1
@ -811,6 +874,7 @@
(Value body))]
[else (error who "invalid program ~s" x)]))
;;;
;(print-code x)
(Program x))
@ -928,7 +992,7 @@
(S* rands
(lambda (rands)
(make-set d (make-disp (car rands) (cadr rands)))))]
[(logand int+)
[(logand int+ int-)
(make-seq
(V d (car rands))
(S (cadr rands)
@ -1024,7 +1088,23 @@
(record-case x
[(constant) (VT x)]
[(var) (VT x)]
[(primcall) (VT x)]
[(primcall op rands)
(case op
[($call-with-underflow-handler)
(let ([handler (car rands)]
[proc (cadr rands)]
[k (caddr rands)])
(seq*
(make-set (make-fvar 1) handler)
(make-set (make-fvar 2) k)
(make-set cpr proc)
(make-set argc-register
(make-constant (argc-convention 1)))
(make-asm-instr 'int- fpr
(make-constant wordsize))
(make-primcall 'indirect-jump
(list cpr (make-fvar 1) (make-fvar 2)))))]
[else (VT x)])]
[(bind lhs* rhs* e)
(do-bind lhs* rhs* (Tail e))]
[(seq e0 e1)
@ -1197,7 +1277,7 @@
(cond
[(symbol? x) (if (reg? x) (list x) '())]
[else (error who "invalid R ~s" x)])]))
;;; build-graph effect
;;; build effect
(define (E x s)
(record-case x
[(set x v)
@ -1214,7 +1294,7 @@
(union (R v) s)]))]
[(asm-instr op d v)
(case op
[(logand int+ logor sll sra)
[(logand int+ int- logor sll sra)
(let ([s (set-rem d s)])
(record-case d
[(nfvar c i)
@ -1562,7 +1642,7 @@
(make-conditional (P e0) (E e1) (E e2))]
[(asm-instr op a b)
(case op
[(logor logand int+)
[(logor logand int+ int-)
(cond
[(and (mem? a) (mem? b))
(let ([u (mku)])
@ -1778,6 +1858,7 @@
(case op
[(logand) (cons `(andl ,(R s) ,(R d)) ac)]
[(int+) (cons `(addl ,(R s) ,(R d)) ac)]
[(int-) (cons `(subl ,(R s) ,(R d)) ac)]
[(logor) (cons `(orl ,(R s) ,(R d)) ac)]
[(mset) (cons `(movl ,(R s) ,(R d)) ac)]
[(sll) (cons `(sall ,(R s) ,(R d)) ac)]

18
src/libcontrol0.ss Normal file
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@ -0,0 +1,18 @@
(let ()
(define call-with-current-frame
(lambda (f)
(if ($fp-at-base)
(f ($current-frame))
($seal-frame-and-call f))))
(define primitive-call/cc
(lambda (f)
(call-with-current-frame
(lambda (frm)
(f ($frame->continuation frm))))))
(primitive-set! 'call/cf call-with-current-frame)
(primitive-set! '$primitive-call/cc primitive-call/cc))

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@ -1,18 +1,6 @@
(let ([winders '()])
(define call-with-current-frame
(lambda (f)
(if ($fp-at-base)
(f ($current-frame))
($seal-frame-and-call f))))
(define primitive-call/cc
(lambda (f)
(call-with-current-frame
(lambda (frm)
(f ($frame->continuation frm))))))
(define len
(lambda (ls n)
(if (null? ls)
@ -71,7 +59,7 @@
(define call/cc
(lambda (f)
(primitive-call/cc
($primitive-call/cc
(lambda (k)
(let ([save winders])
(f (case-lambda
@ -80,7 +68,7 @@
[(v1 v2 . v*)
(unless (eq? save winders) (do-wind save))
(apply k v1 v2 v*)])))))))
;;; (define dynamic-wind
@ -119,7 +107,6 @@
(primitive-set! 'call/cf call-with-current-frame)
(primitive-set! 'call/cc call/cc)
(primitive-set! 'dynamic-wind dynamic-wind)
(void))

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@ -105,6 +105,7 @@
(define system-primitives
'(
$primitive-call/cc
$closure-code immediate? $unbound-object? $forward-ptr?
pointer-value primitive-ref primitive-set! $fx= $fx< $fx<= $fx>
$fx>= $fxzero? $fx+ $fx- $fx* $fxadd1 $fxsub1 $fxquotient
@ -227,7 +228,8 @@
(define scheme-library-files
'(["libhandlers.ss" "libhandlers.fasl" p0 onepass]
["libcontrol.ss" "libcontrol.fasl" p0 onepass]
["libcontrol0.ss" "libcontrol0.fasl" p0 onepass]
["libcontrol1.ss" "libcontrol1.fasl" p0 onepass]
["libcollect.ss" "libcollect.fasl" p0 onepass]
["librecord.ss" "librecord.fasl" p0 onepass]
;["libcxr.ss" "libcxr.fasl" p0 chaitin]