* libtimers is now a library (kind of, meaning, chi-top-library can

parse it.
This commit is contained in:
Abdulaziz Ghuloum 2007-04-29 04:38:08 -04:00
parent 5e0649c5c0
commit 0144cf7bb1
3 changed files with 281 additions and 18 deletions

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@ -1,8 +1,10 @@
(let ()
(library (ikarus timers)
(export)
(import (scheme))
(define-record stats
(user-secs user-usecs sys-secs sys-usecs real-secs real-usecs
collection-id))
(user-secs user-usecs sys-secs sys-usecs real-secs real-usecs collection-id))
(define (mk-stats)
(make-stats #f #f #f #f #f #f #f))
@ -94,7 +96,7 @@
t1 t0)
(apply values v*)])))]))
(begin)
(define (bytes-minor)
(foreign-call "ikrt_bytes_allocated"))
(define (bytes-major)

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@ -104,6 +104,9 @@
(if (stx? x)
(vector-ref x 3)
(error 'stx-subst* "~s is not a syntax object" x))))
(define datum->stx
(lambda (id datum)
(make-stx datum (stx-mark* id) (stx-subst* id))))
(define join-wraps
(lambda (m1* s1* e)
(define cancel
@ -133,6 +136,12 @@
(if subst
(stx e '() (list subst))
e)))
(define gen-mark
(lambda () (string #\m)))
(define add-mark
(lambda (m e)
(stx e (list m) '(shift))))
(define anti-mark #f)
(define syntax-kind?
(lambda (x p?)
(if (stx? x)
@ -275,7 +284,7 @@
[b (label->binding label r)]
[type (binding-type b)])
(case type
[(define core-macro)
[(define define-syntax core-macro begin macro)
(values type (binding-value b) id)]
[else
(values 'call #f #f)]))
@ -307,6 +316,17 @@
;(define stx-error
; (lambda (stx . args)
; (error 'chi "invalid syntax ~s" (strip stx '()))))
(define sanitize-binding
(lambda (x)
(cond
[(procedure? x) (cons 'macro x)]
[(and (pair? x) (eq? (car x) 'macro!) (procedure? (cdr x)))
x]
[(and (pair? x) (eq? (car x) '$rtd)) x]
[else (error 'expand "invalid transformer ~s" x)])))
(define make-eval-transformer
(lambda (x)
(sanitize-binding (local-eval-hook x))))
(define-syntax syntax-match-test
(lambda (stx)
(define dots?
@ -341,7 +361,7 @@
#'(lambda (x)
(equal? (strip x '()) 'datum))])))
(syntax-case stx ()
[(_ x [pat code])
[(_ x [pat code code* ...])
(with-syntax ([pat-code (f #'pat)])
#'(pat-code x))])))
(define-syntax syntax-match-conseq
@ -377,7 +397,7 @@
...))])))))]))]
[(pat dots . last) (dots? #'dots)
(let-values ([(pvars pext) (f #'pat)])
(let-values ([(lvars lext) (f #'d)])
(let-values ([(lvars lext) (f #'last)])
(cond
[(and (null? pvars) (null? lvars))
(values '() #'(lambda (x) (dont-call-me)))]
@ -447,14 +467,14 @@
[datum
(values '() #'(lambda (x) (dot-call-me)))])))
(syntax-case stx ()
[(_ x [pat code])
[(_ x [pat code code* ...])
(let-values ([(vars extractor)
(f #'pat)])
(with-syntax ([e extractor] [(vs ...) vars])
(case (length vars)
[(0) #'code]
[(1) #'(let ([vs ... (e x)]) code)]
[else #'(let-values ([(vs ...) (e x)]) code)])))])))
[(0) #'(begin code code* ...)]
[(1) #'(let ([vs ... (e x)]) code code* ...)]
[else #'(let-values ([(vs ...) (e x)]) code code* ...)])))])))
(define-syntax syntax-match
(lambda (x)
(syntax-case x ()
@ -476,14 +496,30 @@
(if (id? id)
(values id (cons 'expr val))
(stx-error x))])))
(define parse-define-syntax
(lambda (x)
(syntax-match x
[(_ id val)
(if (id? id)
(values id val)
(stx-error x))])))
(define scheme-env ; the-env
'([define define-label (define)]
[define-syntax define-syntax-label (define-syntax)]
[begin begin-label (begin)]
[define-record define-record-label (macro . define-record)]
[case case-label (core-macro . case)]
[foreign-call foreign-call-label (core-macro . foreign-call)]
[quote quote-label (core-macro . quote)]
[lambda lambda-label (core-macro . lambda)]
[case-lambda case-lambda-label (core-macro . case-lambda)]
[let-values let-values-label (core-macro . let-values)]
[let let-label (core-macro . let)]
[let* let*-label (core-macro . let*)]
[cond cond-label (core-macro . cond)]
[if if-label (core-macro . if)]
[when when-label (core-macro . when)]
[unless unless-label (core-macro . unless)]
[cons cons-label (core-prim . cons)]
[values values-label (core-prim . values)]
[car car-label (core-prim . car)]
@ -502,6 +538,22 @@
[vector vector-label (core-prim . vector)]
[list list-label (core-prim . list)]
[append append-label (core-prim . append)]
[apply apply-label (core-prim . apply)]
[call-with-values cwv-label (core-prim . call-with-values)]
[procedure? procedure?-label (core-prim . procedure?)]
[fx< fx<-label (core-prim . fx<)]
[fx<= fx<=-label (core-prim . fx<=)]
[fx> fx>-label (core-prim . fx>)]
[fx>= fx>=-label (core-prim . fx>=)]
[fx= fx=-label (core-prim . fx=)]
[fx- fx--label (core-prim . fx-)]
[fx+ fx+-label (core-prim . fx+)]
[- minus-label (core-prim . -)]
[* *-label (core-prim . *)]
[+ plus-label (core-prim . +)]
[quotient quotient-label (core-prim . quotient)]
[fxquotient fxquotient-label (core-prim . fxquotient)]
[fxremainder fxremainder-label (core-prim . fxremainder)]
[list->vector list->vector-label (core-prim . list->vector)]
[symbol->string symbol->string-label (core-prim . symbol->string)]
[current-eval current-eval-label (core-prim . current-eval)]
@ -510,6 +562,12 @@
[compile compile-label (core-prim . compile)]
[printf printf-label (core-prim . printf)]
[string=? string=?-label (core-prim . string=?)]
[$record-set! $record-set!-label (core-prim . $record-set!)]
[$record-ref $record-ref-label (core-prim . $record-ref)]
[$record $record-label (core-prim . $record)]
[$record? $record?-label (core-prim . $record?)]
[$record/rtd? $record/rtd?-label (core-prim . $record/rtd?)]
[primitive-set! primitive-set!-label (core-prim . primitive-set!)]
[command-line-arguments command-line-arguments-label (core-prim . command-line-arguments)]
))
(define make-scheme-rib
@ -630,6 +688,76 @@
(build-application no-source
looplex rhs*)))))
(stx-error e))])))
(define when-transformer
(lambda (e r mr)
(syntax-match e
[(_ test e e* ...)
(build-conditional no-source
(chi-expr test r mr)
(build-sequence no-source
(chi-expr* (cons e e*) r mr))
(chi-void))])))
(define unless-transformer
(lambda (e r mr)
(syntax-match e
[(_ test e e* ...)
(build-conditional no-source
(chi-expr test r mr)
(chi-void)
(build-sequence no-source
(chi-expr* (cons e e*) r mr)))])))
(define if-transformer
(lambda (e r mr)
(syntax-match e
[(_ e0 e1 e2)
(build-conditional no-source
(chi-expr e0 r mr)
(chi-expr e1 r mr)
(chi-expr e2 r mr))]
[(_ e0 e1)
(build-conditional no-source
(chi-expr e0 r mr)
(chi-expr e1 r mr)
(chi-void))])))
(define case-transformer
(lambda (e r mr)
(define build-one
(lambda (t cls rest)
(syntax-match cls
[((d* ...) e e* ...)
(build-conditional no-source
(build-application no-source
(build-primref no-source 'memv)
(list t (build-data no-source (strip d* '()))))
(build-sequence no-source
(chi-expr* (cons e e*) r mr))
rest)]
[else (stx-error e)])))
(define build-last
(lambda (t cls)
(syntax-match cls
[((d* ...) e e* ...)
(build-one t cls (chi-void))]
[(else-kwd x x* ...)
(if (free-id=? else-kwd (sym->free-id 'else))
(build-sequence no-source
(chi-expr* (cons x x*) r mr))
(stx-error e))]
[else (stx-error e)])))
(syntax-match e
[(_ expr)
(build-sequence no-source
(list (chi-expr expr r mr) (chi-void)))]
[(_ expr cls cls* ...)
(let ([t (gen-lexical 't)])
(build-let no-source
(list t) (list (chi-expr expr r mr))
(let f ([cls cls] [cls* cls*])
(cond
[(null? cls*) (build-last t cls)]
[else
(build-one t cls
(f (car cls*) (cdr cls*)))]))))])))
(define cond-transformer
(lambda (expr r mr)
(define handle-arrow
@ -681,6 +809,14 @@
(lambda (e r mr)
(syntax-match e
[(_ datum) (build-data no-source (strip datum '()))])))
(define case-lambda-transformer
(lambda (e r mr)
(syntax-match e
[(_ [fmls* b* b** ...] ...)
(let-values ([(fmls* body*)
(chi-lambda-clause* fmls*
(map cons b* b**) r mr)])
(build-case-lambda no-source fmls* body*))])))
(define lambda-transformer
(lambda (e r mr)
(syntax-match e
@ -689,17 +825,109 @@
(chi-lambda-clause fmls
(cons b b*) r mr)])
(build-lambda no-source fmls body))])))
(define bless
(lambda (x)
(let ([rib (make-scheme-rib)])
(let f ([x x])
(cond
[(pair? x)
(cons (f (car x)) (f (cdr x)))]
[(symbol? x)
(make-stx x top-mark* (list rib))]
[else x])))))
(define define-record-macro
(lambda (e)
(define enumerate
(lambda (ls)
(let f ([i 0] [ls ls])
(cond
[(null? ls) '()]
[else (cons i (f (add1 i) (cdr ls)))]))))
(define mkid
(lambda (id str)
(datum->stx id (string->symbol str))))
(syntax-match e
[(_ name (field* ...))
(let* ([namestr (symbol->string (id->sym name))]
[fields (map id->sym field*)]
[fieldstr* (map symbol->string fields)]
[rtd (datum->stx name (make-record-type namestr fields))]
[constr (mkid name (format "make-~a" namestr))]
[pred (mkid name (format "~a?" namestr))]
[i* (enumerate field*)]
[getters
(map (lambda (x)
(mkid name (format "~a-~a" namestr x)))
fieldstr*)]
[setters
(map (lambda (x)
(mkid name (format "set-~a-~a!" namestr x)))
fieldstr*)])
(bless
`(begin
(define-syntax ,name (cons '$rtd ',rtd))
(define ,constr
(lambda ,field*
($record ',rtd ,@field*)))
(define ,pred
(lambda (x) ($record/rtd? x ',rtd)))
,@(map (lambda (getter i)
`(define ,getter
(lambda (x)
(if ($record/rtd? x ',rtd)
($record-ref x ,i)
(error ',getter
"~s is not a record of type ~s"
x ',rtd)))))
getters i*)
,@(map (lambda (setter i)
`(define ,setter
(lambda (x v)
(if ($record/rtd? x ',rtd)
($record-set! x ,i v)
(error ',setter
"~s is not a record of type ~s"
x ',rtd)))))
setters i*))))])))
(define foreign-call-transformer
(lambda (e r mr)
(syntax-match e
[(_ name arg* ...)
(build-foreign-call no-source
(chi-expr name r mr)
(chi-expr* arg* r mr))])))
(define core-macro-transformer
(lambda (name)
(case name
[(quote) quote-transformer]
[(lambda) lambda-transformer]
[(let-values) let-values-transformer]
[(let) let-transformer]
[(let*) let*-transformer]
[(cond) cond-transformer]
[(quote) quote-transformer]
[(lambda) lambda-transformer]
[(case-lambda) case-lambda-transformer]
[(let-values) let-values-transformer]
[(let) let-transformer]
[(let*) let*-transformer]
[(cond) cond-transformer]
[(case) case-transformer]
[(if) if-transformer]
[(when) when-transformer]
[(unless) unless-transformer]
[(foreign-call) foreign-call-transformer]
[else (error 'macro-transformer "cannot find ~s" name)])))
(define macro-transformer
(lambda (x)
(cond
[(procedure? x) x]
[(symbol? x)
(case x
[(define-record) define-record-macro]
[else (error 'macro-transformer
"invalid macro ~s" x)])]
[else (error 'core-macro-transformer
"invalid macro ~s" x)])))
;;; chi procedures
(define chi-macro
(lambda (p e)
(let ([s ((macro-transformer p) (add-mark anti-mark e))])
(add-mark (gen-mark) s))))
(define chi-expr*
(lambda (e* r mr)
(map (lambda (e) (chi-expr e r mr)) e*)))
@ -722,6 +950,8 @@
[(lexical)
(let ([lex value])
(build-lexical-reference no-source lex))]
[(macro)
(chi-expr (chi-macro value e) r mr)]
[(constant)
(let ([datum value])
(build-data no-source datum))]
@ -744,7 +974,7 @@
mr)))
(stx-error fmls "invalid fmls"))]
[(x* ... . x)
(if (valid-bound-ids? (cons rest x*))
(if (valid-bound-ids? (cons x x*))
(let ([lex* (map gen-lexical x*)]
[lab* (map gen-label x*)]
[lex (gen-lexical x)]
@ -761,6 +991,16 @@
mr)))
(stx-error fmls "invalid fmls"))]
[_ (stx-error fmls "invalid fmls")])))
(define chi-lambda-clause*
(lambda (fmls* body** r mr)
(cond
[(null? fmls*) (values '() '())]
[else
(let-values ([(a b)
(chi-lambda-clause (car fmls*) (car body**) r mr)])
(let-values ([(a* b*)
(chi-lambda-clause* (cdr fmls*) (cdr body**) r mr)])
(values (cons a a*) (cons b b*))))])))
(define chi-rhs*
(lambda (rhs* r mr)
(map (lambda (rhs)
@ -824,6 +1064,7 @@
[(null? e*) (return e* r mr lhs* lex* rhs*)]
[else
(let ([e (car e*)])
;(printf "chi ~s\n" e)
(let-values ([(type value kwd) (syntax-type e r)])
(let ([kwd* (cons kwd kwd*)])
(case type
@ -839,6 +1080,26 @@
mr
(cons id lhs*) (cons lex lex*) (cons rhs rhs*)
kwd*)))]
[(define-syntax)
(let-values ([(id rhs) (parse-define-syntax e)])
(when (bound-id-member? id kwd*)
(syntax-error id "undefined identifier"))
(let ([lab (gen-label id)])
(let ([expanded-rhs (chi-expr rhs mr mr)])
(extend-rib! rib id lab)
(let ([b (make-eval-transformer expanded-rhs)])
(f (cdr e*)
(cons (cons lab b) r)
(cons (cons lab b) mr)
lhs* lex* rhs* kwd*)))))]
[(begin)
(syntax-match e
[(_ x* ...)
(f (append x* (cdr e*)) r mr lhs* lex* rhs*
kwd*)])]
[(macro)
(f (cons (add-subst rib (chi-macro value e)) (cdr e*))
r mr lhs* lex* rhs* kwd*)]
[else
(return e* r mr lhs* lex* rhs*)]))))]))))
(define chi-top-library