- Added -d (--debug) flag that enables debugging at the repl, r6rs
scripts, and compiling dependencies. This is the first stab at the debugger. It's SLOW!
This commit is contained in:
Abdulaziz Ghuloum
parent
dbf0b07f13
commit
ff25a484fb
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@ -0,0 +1,102 @@
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(import (ikarus) (ikarus.debugger))
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(define (operator? x)
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(and (pair? x)
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(eq? (car x) 'primitive)
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(guard (con [(assertion-violation? con) #t])
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(system-value (cadr x))
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#f)))
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(define (get-src/expr ae)
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(if (annotation? ae)
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(cons (annotation-source ae) (annotation-stripped ae))
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(cons #f (syntax->datum ae))))
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(define (add-debug-calls expr)
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(define who 'add-debug-calls)
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(define (direct-call? op rands)
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(define n (length rands))
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(define (test cls*)
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(and (pair? cls*)
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(or
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(let ([fmls (caar cls*)])
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(and (list? fmls) (= (length fmls) n)))
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(test (cdr cls*)))))
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(and (pair? op)
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(case (car op)
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[(lambda) (test (list (cdr op)))]
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[(case-lambda) (test (cdr op))]
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[(annotated-case-lambda) (test (cddr op))]
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[else #f])))
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(define (E-call src/expr op rands)
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(cond
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[(or (operator? op) (direct-call? op rands))
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`(,(E op) ,@(map E rands))]
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[else
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`(',debug-call ',src/expr ,(E op) ,@(map E rands))]))
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(define (E expr)
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(cond
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[(symbol? expr) expr]
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[(and (pair? expr) (list? expr))
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(let ([a (car expr)] [d (cdr expr)])
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(case a
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[(quote) expr]
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[(primitive) expr]
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[(set!) `(set! ,(car d) ,(E (cadr d)))]
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[(if) `(if ,(E (car d)) ,(E (cadr d)) ,(E (caddr d)))]
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[(begin) (cons 'begin (map E d))]
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[(lambda) (list 'lambda (car d) (E (cadr d)))]
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[(case-lambda)
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(cons 'case-lambda
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(map (lambda (x) (list (car x) (E (cadr x)))) d))]
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[(annotated-case-lambda)
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(cons* 'annotated-case-lambda (car d)
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(map (lambda (x) (list (car x) (E (cadr x)))) (cdr d)))]
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[(letrec letrec*)
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(list a
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(map (lambda (x) (list (car x) (E (cadr x)))) (car d))
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(E (cadr d)))]
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[(foreign-call)
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(cons* 'foreign-call (car d) (map E (cdr d)))]
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[(library-letrec*)
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(list a
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(map (lambda (x) (list (car x) (cadr x) (E (caddr x)))) (car d))
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(E (cadr d)))]
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[(annotated-call)
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(E-call (get-src/expr (car d)) (cadr d) (cddr d))]
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[else (E-call #f a d)]))]
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[else
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(die who "invalid expression" expr)]))
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(E expr))
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(define (start-repl)
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(display "Ikarus Interpreter\n\n")
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(new-cafe
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(lambda (x)
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(guarded-start
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(lambda ()
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(eval x (interaction-environment)))))))
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(define (start-script script-name args)
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(command-line-arguments (cons script-name args))
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(guarded-start
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(lambda ()
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(load-r6rs-script script-name #f #t))))
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(current-core-eval
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(let ([ev (current-core-eval)])
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(lambda (x)
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(let ([x (add-debug-calls x)])
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(ev x)))))
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(apply
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(case-lambda
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[(interpreter flag script-name . rest)
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(if (string=? flag "--r6rs-script")
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(start-script script-name rest)
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(error interpreter "invalid args" (cons* flag script-name rest)))]
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[(interpreter) (start-repl)]
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[(interpreter . rest)
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(error interpreter "invalid args" rest)])
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(command-line-arguments))
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@ -1,307 +0,0 @@
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(import (ikarus))
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(define (with-output-to-string/limit x len)
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(define n 0)
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(define str (make-string len))
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(call/cc
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(lambda (k)
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(define p
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(make-custom-textual-output-port
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"*limited-port*"
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(lambda (buf i count)
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(let f ([i i] [count count])
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(unless (zero? count)
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(if (= n len)
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(k str)
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(begin
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(string-set! str n (string-ref buf i))
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(set! n (+ n 1))
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(f (+ i 1) (- count 1))))))
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count)
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#f #f #f))
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(parameterize ([print-graph #f])
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(write x p)
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(flush-output-port p))
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(substring str 0 n))))
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(define (make-annotated-procedure ann proc)
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(import (ikarus system $codes))
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($make-annotated-procedure ann proc))
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(define-struct trace (src expr rator rands))
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(module (get-traces debug-call)
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(define outer-ring-size 30)
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(define inner-ring-size 10)
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(define end-marker -1)
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(define-struct icell (prev next num content))
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(define-struct ocell (prev next num cf icell))
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(define (make-ring n cell-prev cell-next cell-prev-set! cell-next-set! make-cell)
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(let ([ring (make-cell)])
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(cell-prev-set! ring ring)
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(cell-next-set! ring ring)
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(do ((n n (- n 1)))
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((<= n 1))
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(let ([cell (make-cell)]
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[next (cell-next ring)])
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(cell-prev-set! cell ring)
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(cell-next-set! cell next)
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(cell-prev-set! next cell)
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(cell-next-set! ring cell)))
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ring))
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(define (make-double-ring n m)
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(make-ring n
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ocell-prev ocell-next set-ocell-prev! set-ocell-next!
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(lambda ()
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(make-ocell #f #f end-marker #f
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(make-ring m
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icell-prev icell-next set-icell-prev! set-icell-next!
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(lambda () (make-icell #f #f end-marker (lambda () #f))))))))
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(define (ring->list x cell-num cell-prev cell-content)
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(let f ([x x] [orig #f])
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(if (or (eq? x orig) (eqv? (cell-num x) end-marker))
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'()
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(cons (cons (cell-num x) (cell-content x))
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(f (cell-prev x) (or orig x))))))
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(define (get-traces)
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(ring->list step-ring ocell-num ocell-prev
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(lambda (x)
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(ring->list (ocell-icell x) icell-num icell-prev icell-content))))
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(define step-ring
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(make-double-ring outer-ring-size inner-ring-size))
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(define (debug-call src expr rator . rands)
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(call/cf
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(lambda (cf)
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(if (eq? cf (ocell-cf step-ring))
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(reduce src expr rator rands)
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(let ([cf #f] [pcf #f])
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(dynamic-wind
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(lambda ()
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(let ([prev step-ring])
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(let ([next (ocell-next prev)])
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(set! pcf (ocell-cf prev))
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(set-ocell-num! next (+ (ocell-num prev) 1))
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(set-icell-num! (ocell-icell next) end-marker)
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(set! step-ring next)
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(set-ocell-cf! step-ring cf))))
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(lambda ()
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(call/cf
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(lambda (cf2)
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(set! cf cf2)
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(set-ocell-cf! step-ring cf)
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(reduce src expr rator rands))))
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(lambda ()
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(let ([next step-ring])
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(let ([prev (ocell-prev next)])
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(set-ocell-num! prev (- (ocell-num next) 1))
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(set-ocell-num! next end-marker)
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(set-icell-num! (ocell-icell next) end-marker)
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(set-ocell-cf! prev pcf)
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(set! step-ring prev))))))))))
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(define (reduce src expr rator rands)
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(define (mark-reduction! x)
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(let ([prev (ocell-icell step-ring)])
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(let ([next (icell-next prev)])
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(set-icell-content! next x)
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(set-icell-num! next (+ (icell-num prev) 1))
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(set-ocell-icell! step-ring next))))
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(mark-reduction! (make-trace src expr rator rands))
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(apply rator rands))
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)
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(define (operator? x)
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(and (pair? x)
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(eq? (car x) 'primitive)
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(guard (con [(assertion-violation? con) #t])
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(system-value (cadr x))
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#f)))
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(define (get-src/expr ae)
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(if (annotation? ae)
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(values (annotation-source ae) (annotation-stripped ae))
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(values #f (syntax->datum ae))))
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(define (add-debug-calls expr)
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(define who 'add-debug-calls)
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(define (direct-call? op rands)
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(define n (length rands))
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(define (test cls*)
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(and (pair? cls*)
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(or
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(let ([fmls (caar cls*)])
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(and (list? fmls) (= (length fmls) n)))
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(test (cdr cls*)))))
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(and (pair? op)
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(case (car op)
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[(lambda) (test (list (cdr op)))]
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[(case-lambda) (test (cdr op))]
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[(annotated-case-lambda) (test (cddr op))]
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[else #f])))
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(define (E-call src expr op rands)
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(cond
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[(or (operator? op) (direct-call? op rands))
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`(,op ,@(map E rands))]
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[else
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`(',debug-call ',src ',expr ,(E op) ,@(map E rands))]))
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(define (E expr)
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(cond
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[(symbol? expr) expr]
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[(and (pair? expr) (list? expr))
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(let ([a (car expr)] [d (cdr expr)])
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(case a
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[(quote) expr]
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[(primitive) expr]
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[(set!) `(set! ,(car d) ,(E (cadr d)))]
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[(if) `(if ,(E (car d)) ,(E (cadr d)) ,(E (caddr d)))]
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[(begin) (cons 'begin (map E d))]
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[(lambda) (list 'lambda (car d) (E (cadr d)))]
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[(case-lambda)
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(cons 'case-lambda
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(map (lambda (x) (list (car x) (E (cadr x)))) d))]
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[(annotated-case-lambda)
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(cons* 'annotated-case-lambda (car d)
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(map (lambda (x) (list (car x) (E (cadr x)))) (cdr d)))]
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[(letrec letrec*)
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(list a
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(map (lambda (x) (list (car x) (E (cadr x)))) (car d))
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(E (cadr d)))]
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[(foreign-call)
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(cons* 'foreign-call (car d) (map E (cdr d)))]
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[(library-letrec*)
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(list a
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(map (lambda (x) (list (car x) (cadr x) (E (caddr x)))) (car d))
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(E (cadr d)))]
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[(annotated-call)
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(let-values ([(src expr) (get-src/expr (car d))])
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(E-call src expr (cadr d) (cddr d)))]
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[else (E-call #f #f a d)]))]
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[else
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(die who "invalid expression" expr)]))
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(E expr))
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(define (print-trace x)
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(define (chop x)
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(if (> (string-length x) 60)
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(format "~a#..." (substring x 0 56))
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x))
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(let ([n (car x)] [x (cdr x)])
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(printf " [~a] ~s\n" n (trace-expr x))
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(let ([src (trace-src x)])
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(when (pair? src)
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(printf " source: char ~a of ~a\n" (cdr src) (car src))))
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(printf " operator: ~s\n" (trace-rator x))
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(printf " operands: ")
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(let ([ls (map (lambda (x)
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(with-output-to-string/limit x 80))
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(trace-rands x))])
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(if (< (apply + 1 (length ls) (map string-length ls)) 60)
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(write (trace-rands x))
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(begin
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(display "(")
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(let f ([a (car ls)] [ls (cdr ls)])
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(display (chop a))
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(if (null? ls)
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(display ")")
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(begin
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(display "\n ")
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(f (car ls) (cdr ls))))))))
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(newline)))
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(define (print-step x)
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(let ([n (car x)] [ls (cdr x)])
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(unless (null? ls)
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(printf "FRAME ~s:\n" n)
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(for-each print-trace (reverse ls)))))
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(define (print-all-traces)
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(let ([ls (reverse (get-traces))])
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(printf "CALL FRAMES:\n")
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(for-each print-step ls)))
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(define (guarded-start proc)
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(with-exception-handler
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(lambda (con)
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(define (help)
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(printf "Condition trapped by debugger.\n")
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(print-condition con)
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(printf "~a\n"
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(string-append
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"[t] Trace. "
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"[r] Reraise condition. "
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"[c] Continue "
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"[q] Quit "
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"[?] Help. ")))
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(help)
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((call/cc
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(lambda (k)
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(new-cafe
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(lambda (x)
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(case x
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[(R r) (k (lambda () (raise-continuable con)))]
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[(Q q) (exit 0)]
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[(T t) (print-all-traces)]
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[(C c) (k void)]
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[(?) (help)]
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[else (printf "invalid option\n")])))
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void))))
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proc))
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(define (start-repl)
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(display "Ikarus Interpreter\n\n")
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(new-cafe
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(lambda (x)
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(guarded-start
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(lambda ()
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(eval x (interaction-environment)))))))
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(define (start-script script-name args)
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(command-line-arguments (cons script-name args))
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(guarded-start
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(lambda ()
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(load-r6rs-script script-name #f #t))))
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(current-core-eval
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(let ([ev (current-core-eval)])
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(lambda (x)
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(ev (add-debug-calls x)))))
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(apply
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(case-lambda
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[(interpreter flag script-name . rest)
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(if (string=? flag "--r6rs-script")
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(start-script script-name rest)
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(error interpreter "invalid args" (cons* flag script-name rest)))]
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[(interpreter) (start-repl)]
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[(interpreter . rest)
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(error interpreter "invalid args" rest)])
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(command-line-arguments))
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#!eof
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(print-graph #t)
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;(write (make-double-rib 5 5))
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(write (make-ring 10 (lambda () #f)))
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(newline)
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@ -38,6 +38,7 @@ EXTRA_DIST=ikarus.boot.4.prebuilt ikarus.boot.8.prebuilt last-revision \
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ikarus.compiler.tag-annotation-analysis.ss ikarus.ontology.ss \
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ikarus.reader.annotated.ss ikarus.pointers.ss ikarus.equal.ss \
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ikarus.symbol-table.ss ikarus.apropos.ss ikarus.include-src.ss \
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ikarus.debugger.ss \
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tests/SRFI-1.ss \
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tests/bignum-to-flonum.ss \
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tests/bignums.ss \
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@ -193,6 +193,7 @@ EXTRA_DIST = ikarus.boot.4.prebuilt ikarus.boot.8.prebuilt last-revision \
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ikarus.compiler.tag-annotation-analysis.ss ikarus.ontology.ss \
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ikarus.reader.annotated.ss ikarus.pointers.ss ikarus.equal.ss \
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ikarus.symbol-table.ss ikarus.apropos.ss ikarus.include-src.ss \
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ikarus.debugger.ss \
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tests/SRFI-1.ss \
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tests/bignum-to-flonum.ss \
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tests/bignums.ss \
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@ -22,7 +22,7 @@
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compile-core-expr expand/optimize optimizer-output
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cp0-effort-limit cp0-size-limit optimize-level
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perform-tag-analysis tag-analysis-output
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strip-source-info)
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strip-source-info generate-debug-calls)
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(import
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(rnrs hashtables)
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(ikarus system $fx)
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@ -44,6 +44,7 @@
|
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(define strip-source-info (make-parameter #f))
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(define generate-debug-calls (make-parameter #f))
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|
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(define-syntax struct-case
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(lambda (x)
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|
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@ -309,7 +310,7 @@
|
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(list? fml*))
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body))))))
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cls*))
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(define (E-make-parameter args ctxt)
|
||||
(define (E-make-parameter mk-call args ctxt)
|
||||
(case (length args)
|
||||
[(1)
|
||||
(let ([val-expr (car args)]
|
||||
|
|
@ -345,15 +346,15 @@
|
|||
,guard-expr)
|
||||
ctxt))]
|
||||
[else
|
||||
(make-funcall
|
||||
(mk-call
|
||||
(make-primref 'make-parameter)
|
||||
(map (lambda (x) (E x #f)) args))]))
|
||||
(define (E-app rator args ctxt)
|
||||
(define (E-app mk-call rator args ctxt)
|
||||
(equal-case rator
|
||||
[((primitive make-parameter)) (E-make-parameter args ctxt)]
|
||||
[((primitive make-parameter)) (E-make-parameter mk-call args ctxt)]
|
||||
[else
|
||||
(let ([names (get-fmls rator args)])
|
||||
(make-funcall
|
||||
(mk-call
|
||||
(E rator (list ctxt))
|
||||
(let f ([args args] [names names])
|
||||
(cond
|
||||
|
|
@ -443,8 +444,29 @@
|
|||
(let ([var (cadr x)])
|
||||
(make-primref var))]
|
||||
[(annotated-call)
|
||||
(E-app (caddr x) (cdddr x) ctxt)]
|
||||
[else (E-app (car x) (cdr x) ctxt)])]
|
||||
(E-app
|
||||
(if (generate-debug-calls)
|
||||
(lambda (op rands)
|
||||
(define (operator? x)
|
||||
(struct-case x
|
||||
[(primref x)
|
||||
(guard (con [(assertion-violation? con) #t])
|
||||
(system-value x)
|
||||
#f)]
|
||||
[else #f]))
|
||||
(define (get-src/expr ae)
|
||||
(if (annotation? ae)
|
||||
(cons (annotation-source ae) (annotation-stripped ae))
|
||||
(cons #f (syntax->datum ae))))
|
||||
(define src/expr
|
||||
(make-constant (get-src/expr (cadr x))))
|
||||
(if (operator? op)
|
||||
(make-funcall op rands)
|
||||
(make-funcall (make-primref 'debug-call)
|
||||
(cons* src/expr op rands))))
|
||||
make-funcall)
|
||||
(caddr x) (cdddr x) ctxt)]
|
||||
[else (E-app make-funcall (car x) (cdr x) ctxt)])]
|
||||
[(symbol? x)
|
||||
(cond
|
||||
[(lexical x) =>
|
||||
|
|
@ -684,7 +706,7 @@
|
|||
[(null? cls*) default]
|
||||
[(inline-case (car cls*) rand*)]
|
||||
[else (try-inline (cdr cls*) rand* default)]))
|
||||
(define (inline rator rand*)
|
||||
(define (inline mk rator rand*)
|
||||
(define (valid-mv-consumer? x)
|
||||
(struct-case x
|
||||
[(clambda L cases F)
|
||||
|
|
@ -714,7 +736,7 @@
|
|||
(struct-case rator
|
||||
[(clambda g cls*)
|
||||
(try-inline cls* rand*
|
||||
(make-funcall rator rand*))]
|
||||
(mk rator rand*))]
|
||||
[(primref op)
|
||||
(case op
|
||||
;;; FIXME HERE
|
||||
|
|
@ -732,36 +754,42 @@
|
|||
[else
|
||||
(make-funcall rator rand*)]))]
|
||||
[else
|
||||
(make-funcall rator rand*)])]
|
||||
(mk rator rand*)])]
|
||||
[(debug-call)
|
||||
(inline
|
||||
(lambda (op^ rand*^)
|
||||
(mk rator (cons* (car rand*) op^ rand*^)))
|
||||
(cadr rand*)
|
||||
(cddr rand*))]
|
||||
[else
|
||||
(make-funcall rator rand*)])]
|
||||
(mk rator rand*)])]
|
||||
[(bind lhs* rhs* body)
|
||||
(if (null? lhs*)
|
||||
(inline body rand*)
|
||||
(inline mk body rand*)
|
||||
(make-bind lhs* rhs*
|
||||
(call-expr body rand*)))]
|
||||
(call-expr mk body rand*)))]
|
||||
[(recbind lhs* rhs* body)
|
||||
(if (null? lhs*)
|
||||
(inline body rand*)
|
||||
(inline mk body rand*)
|
||||
(make-recbind lhs* rhs*
|
||||
(call-expr body rand*)))]
|
||||
(call-expr mk body rand*)))]
|
||||
[(rec*bind lhs* rhs* body)
|
||||
(if (null? lhs*)
|
||||
(inline body rand*)
|
||||
(inline mk body rand*)
|
||||
(make-rec*bind lhs* rhs*
|
||||
(call-expr body rand*)))]
|
||||
[else (make-funcall rator rand*)]))
|
||||
(define (call-expr x rand*)
|
||||
(call-expr mk body rand*)))]
|
||||
[else (mk rator rand*)]))
|
||||
(define (call-expr mk x rand*)
|
||||
(cond
|
||||
[(clambda? x) (inline x rand*)]
|
||||
[(clambda? x) (inline mk x rand*)]
|
||||
[(and (prelex? x) (not (prelex-source-assigned? x)))
|
||||
;;; FIXME: did we do the analysis yet?
|
||||
(make-funcall x rand*)]
|
||||
(mk x rand*)]
|
||||
[else
|
||||
(let ([t (make-prelex 'tmp #f)])
|
||||
(set-prelex-source-referenced?! t #t)
|
||||
(make-bind (list t) (list x)
|
||||
(make-funcall t rand*)))]))
|
||||
(mk t rand*)))]))
|
||||
(define (Expr x)
|
||||
(struct-case x
|
||||
[(constant) x]
|
||||
|
|
@ -789,7 +817,7 @@
|
|||
cls*)
|
||||
cp free name)]
|
||||
[(funcall rator rand*)
|
||||
(inline (Expr rator) (map Expr rand*))]
|
||||
(inline make-funcall (Expr rator) (map Expr rand*))]
|
||||
[(forcall rator rand*)
|
||||
(make-forcall rator (map Expr rand*))]
|
||||
[(assign lhs rhs)
|
||||
|
|
|
|||
|
|
@ -0,0 +1,194 @@
|
|||
|
||||
(library (ikarus.debugger)
|
||||
(export debug-call guarded-start)
|
||||
(import (ikarus))
|
||||
|
||||
(define (with-output-to-string/limit x len)
|
||||
(define n 0)
|
||||
(define str (make-string len))
|
||||
(call/cc
|
||||
(lambda (k)
|
||||
(define p
|
||||
(make-custom-textual-output-port
|
||||
"*limited-port*"
|
||||
(lambda (buf i count)
|
||||
(let f ([i i] [count count])
|
||||
(unless (zero? count)
|
||||
(if (= n len)
|
||||
(k str)
|
||||
(begin
|
||||
(string-set! str n (string-ref buf i))
|
||||
(set! n (+ n 1))
|
||||
(f (+ i 1) (- count 1))))))
|
||||
count)
|
||||
#f #f #f))
|
||||
(parameterize ([print-graph #f])
|
||||
(write x p)
|
||||
(flush-output-port p))
|
||||
(substring str 0 n))))
|
||||
|
||||
(define-struct trace (src/expr rator rands))
|
||||
|
||||
(define (trace-src x)
|
||||
(let ([x (trace-src/expr x)])
|
||||
(if (pair? x) (car x) #f)))
|
||||
(define (trace-expr x)
|
||||
(let ([x (trace-src/expr x)])
|
||||
(if (pair? x) (cdr x) #f)))
|
||||
|
||||
(module (get-traces debug-call)
|
||||
|
||||
(define outer-ring-size 16)
|
||||
(define inner-ring-size 8)
|
||||
|
||||
(define end-marker -1)
|
||||
|
||||
(define-struct icell (prev next num content))
|
||||
(define-struct ocell (prev next num cf icell))
|
||||
|
||||
(define (make-ring n cell-prev cell-next cell-prev-set! cell-next-set! make-cell)
|
||||
(let ([ring (make-cell)])
|
||||
(cell-prev-set! ring ring)
|
||||
(cell-next-set! ring ring)
|
||||
(do ((n n (- n 1)))
|
||||
((<= n 1))
|
||||
(let ([cell (make-cell)]
|
||||
[next (cell-next ring)])
|
||||
(cell-prev-set! cell ring)
|
||||
(cell-next-set! cell next)
|
||||
(cell-prev-set! next cell)
|
||||
(cell-next-set! ring cell)))
|
||||
ring))
|
||||
|
||||
(define (make-double-ring n m)
|
||||
(make-ring n
|
||||
ocell-prev ocell-next set-ocell-prev! set-ocell-next!
|
||||
(lambda ()
|
||||
(make-ocell #f #f end-marker #f
|
||||
(make-ring m
|
||||
icell-prev icell-next set-icell-prev! set-icell-next!
|
||||
(lambda () (make-icell #f #f end-marker (lambda () #f))))))))
|
||||
|
||||
(define (ring->list x cell-num cell-prev cell-content)
|
||||
(let f ([x x] [orig #f])
|
||||
(if (or (eq? x orig) (eqv? (cell-num x) end-marker))
|
||||
'()
|
||||
(cons (cons (cell-num x) (cell-content x))
|
||||
(f (cell-prev x) (or orig x))))))
|
||||
|
||||
(define (get-traces)
|
||||
(ring->list step-ring ocell-num ocell-prev
|
||||
(lambda (x)
|
||||
(ring->list (ocell-icell x) icell-num icell-prev icell-content))))
|
||||
|
||||
(define step-ring
|
||||
(make-double-ring outer-ring-size inner-ring-size))
|
||||
|
||||
(define (debug-call src/expr rator . rands)
|
||||
(call/cf
|
||||
(lambda (cf)
|
||||
(if (eq? cf (ocell-cf step-ring))
|
||||
(reduce src/expr rator rands)
|
||||
(let ([cf #f] [pcf #f])
|
||||
(dynamic-wind
|
||||
(lambda ()
|
||||
(let ([prev step-ring])
|
||||
(let ([next (ocell-next prev)])
|
||||
(set! pcf (ocell-cf prev))
|
||||
(set-ocell-num! next (+ (ocell-num prev) 1))
|
||||
(set-icell-num! (ocell-icell next) end-marker)
|
||||
(set! step-ring next)
|
||||
(set-ocell-cf! step-ring cf))))
|
||||
(lambda ()
|
||||
(call/cf
|
||||
(lambda (cf2)
|
||||
(set! cf cf2)
|
||||
(set-ocell-cf! step-ring cf)
|
||||
(reduce src/expr rator rands))))
|
||||
(lambda ()
|
||||
(let ([next step-ring])
|
||||
(let ([prev (ocell-prev next)])
|
||||
(set-ocell-num! prev (- (ocell-num next) 1))
|
||||
(set-ocell-num! next end-marker)
|
||||
(set-icell-num! (ocell-icell next) end-marker)
|
||||
(set-ocell-cf! prev pcf)
|
||||
(set! step-ring prev))))))))))
|
||||
|
||||
(define (reduce src/expr rator rands)
|
||||
(define (mark-reduction! x)
|
||||
(let ([prev (ocell-icell step-ring)])
|
||||
(let ([next (icell-next prev)])
|
||||
(set-icell-content! next x)
|
||||
(set-icell-num! next (+ (icell-num prev) 1))
|
||||
(set-ocell-icell! step-ring next))))
|
||||
(mark-reduction! (make-trace src/expr rator rands))
|
||||
(apply rator rands)))
|
||||
|
||||
(define (print-trace x)
|
||||
(define (chop x)
|
||||
(if (> (string-length x) 60)
|
||||
(format "~a#..." (substring x 0 56))
|
||||
x))
|
||||
(let ([n (car x)] [x (cdr x)])
|
||||
(printf " [~a] ~s\n" n (trace-expr x))
|
||||
(let ([src (trace-src x)])
|
||||
(when (pair? src)
|
||||
(printf " source: char ~a of ~a\n" (cdr src) (car src))))
|
||||
(printf " operator: ~s\n" (trace-rator x))
|
||||
(printf " operands: ")
|
||||
(let ([ls (map (lambda (x)
|
||||
(with-output-to-string/limit x 80))
|
||||
(trace-rands x))])
|
||||
(if (< (apply + 1 (length ls) (map string-length ls)) 60)
|
||||
(write (trace-rands x))
|
||||
(begin
|
||||
(display "(")
|
||||
(let f ([a (car ls)] [ls (cdr ls)])
|
||||
(display (chop a))
|
||||
(if (null? ls)
|
||||
(display ")")
|
||||
(begin
|
||||
(display "\n ")
|
||||
(f (car ls) (cdr ls))))))))
|
||||
(newline)))
|
||||
|
||||
(define (print-step x)
|
||||
(let ([n (car x)] [ls (cdr x)])
|
||||
(unless (null? ls)
|
||||
(printf "FRAME ~s:\n" n)
|
||||
(for-each print-trace (reverse ls)))))
|
||||
|
||||
(define (print-all-traces)
|
||||
(let ([ls (reverse (get-traces))])
|
||||
(printf "CALL FRAMES:\n")
|
||||
(for-each print-step ls)))
|
||||
|
||||
(define (guarded-start proc)
|
||||
(with-exception-handler
|
||||
(lambda (con)
|
||||
(define (help)
|
||||
(printf "Condition trapped by debugger.\n")
|
||||
(print-condition con)
|
||||
(printf "~a\n"
|
||||
(string-append
|
||||
"[t] Trace. "
|
||||
"[r] Reraise condition. "
|
||||
"[c] Continue. "
|
||||
"[q] Quit. "
|
||||
"[?] Help. ")))
|
||||
(help)
|
||||
((call/cc
|
||||
(lambda (k)
|
||||
(new-cafe
|
||||
(lambda (x)
|
||||
(case x
|
||||
[(R r) (k (lambda () (raise-continuable con)))]
|
||||
[(Q q) (exit 0)]
|
||||
[(T t) (print-all-traces)]
|
||||
[(C c) (k void)]
|
||||
[(?) (help)]
|
||||
[else (printf "invalid option\n")])))
|
||||
void))))
|
||||
proc))
|
||||
|
||||
)
|
||||
|
|
@ -76,6 +76,8 @@
|
|||
(export)
|
||||
(import (except (ikarus) load-r6rs-script)
|
||||
(except (ikarus startup) host-info)
|
||||
(only (ikarus.compiler) generate-debug-calls)
|
||||
(ikarus.debugger)
|
||||
(only (psyntax library-manager) current-library-expander)
|
||||
(only (ikarus.reader.annotated) read-source-file)
|
||||
(only (ikarus.symbol-table) initialize-symbol-table!)
|
||||
|
|
@ -86,6 +88,12 @@
|
|||
(let f ([args (command-line-arguments)])
|
||||
(cond
|
||||
[(null? args) (values '() #f #f '())]
|
||||
[(member (car args) '("-d" "--debug"))
|
||||
(generate-debug-calls #t)
|
||||
(f (cdr args))]
|
||||
[(member (car args) '("-nd" "--no-debug"))
|
||||
(generate-debug-calls #f)
|
||||
(f (cdr args))]
|
||||
[(string=? (car args) "-O2")
|
||||
(optimize-level 2)
|
||||
(f (cdr args))]
|
||||
|
|
@ -127,8 +135,19 @@
|
|||
(apply die 'ikarus
|
||||
(format "load files not allowed for ~a" who)
|
||||
files)))
|
||||
|
||||
(define (start proc)
|
||||
(if (generate-debug-calls)
|
||||
(guarded-start proc)
|
||||
(proc)))
|
||||
(define-syntax doit
|
||||
(syntax-rules ()
|
||||
[(_ e e* ...)
|
||||
(start (lambda () e e* ...))]))
|
||||
|
||||
(cond
|
||||
[(eq? script-type 'r6rs-script)
|
||||
(doit
|
||||
(command-line-arguments (cons script args))
|
||||
(for-each
|
||||
(lambda (filename)
|
||||
|
|
@ -137,21 +156,23 @@
|
|||
((current-library-expander) src))
|
||||
(read-source-file filename)))
|
||||
files)
|
||||
(load-r6rs-script script #f #t)
|
||||
(exit 0)]
|
||||
(load-r6rs-script script #f #t))]
|
||||
[(eq? script-type 'compile)
|
||||
(assert-null files "--compile-dependencies")
|
||||
(doit
|
||||
(command-line-arguments (cons script args))
|
||||
(load-r6rs-script script #t #f)
|
||||
(exit 0)]
|
||||
(load-r6rs-script script #t #f))]
|
||||
[(eq? script-type 'script) ; no greeting, no cafe
|
||||
(command-line-arguments (cons script args))
|
||||
(doit
|
||||
(for-each load files)
|
||||
(load script)
|
||||
(exit 0)]
|
||||
(load script))]
|
||||
[else
|
||||
(print-greeting)
|
||||
(command-line-arguments (cons "*interactive*" args))
|
||||
(for-each load files)
|
||||
(new-cafe)
|
||||
(exit 0)])))
|
||||
(doit (for-each load files))
|
||||
(new-cafe
|
||||
(lambda (x)
|
||||
(doit (eval x (interaction-environment)))))])
|
||||
|
||||
(exit 0)))
|
||||
|
|
|
|||
|
|
@ -1 +1 @@
|
|||
1779
|
||||
1780
|
||||
|
|
|
|||
|
|
@ -111,6 +111,7 @@
|
|||
"ikarus.command-line.ss"
|
||||
"ikarus.pointers.ss"
|
||||
"ikarus.not-yet-implemented.ss"
|
||||
"ikarus.debugger.ss"
|
||||
"ikarus.main.ss"
|
||||
))
|
||||
|
||||
|
|
@ -1531,6 +1532,7 @@
|
|||
[make-c-callout $for]
|
||||
[make-c-callback $for]
|
||||
[host-info i]
|
||||
[debug-call ]
|
||||
|
||||
))
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue