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debug-trap-handler ephemeral trap enhancement
* module/system/repl/error-handling.scm (call-with-error-handling): If the given index is false, assume this was an ephemeral trap, and don't print a welcome message or reference the trap by index.
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1 changed files with 8 additions and 4 deletions
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@ -72,13 +72,17 @@
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;; invoking the start-stack thunk has its own frame
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;; too.
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0 (and tag 1)))
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(error-msg (format #f "Trap ~d: ~a" trap-idx trap-name))
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(error-msg (if trap-idx
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(format #f "Trap ~d: ~a" trap-idx trap-name)
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trap-name))
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(debug (make-debug stack 0 error-msg)))
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(with-saved-ports
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(lambda ()
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(format #t "~a~%" error-msg)
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(format #t "Entering a new prompt. ")
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(format #t "Type `,bt' for a backtrace or `,q' to continue.\n")
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(if trap-idx
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(begin
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(format #t "~a~%" error-msg)
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(format #t "Entering a new prompt. ")
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(format #t "Type `,bt' for a backtrace or `,q' to continue.\n")))
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((@ (system repl repl) start-repl) #:debug debug)))))
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(define (null-trap-handler frame trap-idx trap-name)
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