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avoid running the debugger during parsing or compilation at the repl

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* module/system/repl/repl.scm (abort-on-error): New helper.
  (run-repl): Don't enter the debugger during parsing or compilation of
  a repl expression. If you want to debug compilation, run compilation
  from the repl, not as part of the repl.
This commit is contained in:
Andy Wingo 2010-07-09 18:58:01 +02:00
parent 0ddbd88321
commit ffe911f714
1 changed files with 26 additions and 3 deletions
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29
module/system/repl/repl.scm
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@ -89,6 +89,22 @@
(define* (start-repl #:optional (lang (current-language)) #:key debug)
(run-repl (make-repl lang debug)))
;; (put 'abort-on-error 'scheme-indent-function 1)
(define-syntax abort-on-error
(syntax-rules ()
((_ string exp)
(catch #t
(lambda () exp)
(lambda (key . args)
(format #t "While ~A:~%" string)
(pmatch args
((,subr ,msg ,args . ,rest)
(display-error #f (current-output-port) subr msg args rest))
(else
(format #t "ERROR: Throw to key `~a' with args `~s'.\n" key args)))
(force-output)
(abort))))))
(define (run-repl repl)
(% (with-fluids ((*repl-stack*
(cons repl (or (fluid-ref *repl-stack*) '()))))
@ -116,9 +132,16 @@
(lambda ()
(call-with-values
(lambda ()
(run-hook before-eval-hook exp)
(start-stack #t
(repl-eval repl (repl-parse repl exp))))
(% (let ((thunk
(abort-on-error "compiling expression"
(repl-prepare-eval-thunk
repl
(abort-on-error "parsing expression"
(repl-parse repl exp))))))
(run-hook before-eval-hook exp)
(with-error-handling
(start-stack #t (% (thunk)))))
(lambda (k) (values))))
(lambda l
(for-each (lambda (v)
(repl-print repl v))