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repl.scm: use print-exception

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* module/system/repl/repl.scm: Remove custom exception printers in favor
  of print-exception.
This commit is contained in:
Andy Wingo 2011-02-11 12:53:02 +01:00
parent f87db65719
commit eaba53b7c8
1 changed files with 5 additions and 53 deletions
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58
module/system/repl/repl.scm
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@ -1,6 +1,6 @@
;;; Read-Eval-Print Loop
;; Copyright (C) 2001, 2009, 2010 Free Software Foundation, Inc.
;; Copyright (C) 2001, 2009, 2010, 2011 Free Software Foundation, Inc.
;; This library is free software; you can redistribute it and/or
;; modify it under the terms of the GNU Lesser General Public
@ -33,29 +33,6 @@
;;;
;;; Syntax errors
;;;
(define (display-syntax-error port who what where form subform extra)
(format port "Syntax error:~%")
(if where
(let ((file (or (assq-ref where 'filename) "unknown file"))
(line (and=> (assq-ref where 'line) 1+))
(col (assq-ref where 'column)))
(format port "~a:~a:~a: " file line col))
(format port "unknown location: "))
(if who
(format port "~a: " who))
(format port "~a" what)
(if subform
(format port " in subform ~s of ~s" subform form)
(if form
(format port " in form ~s" form)))
(newline port))
;;;
;;; Meta commands
;;;
@ -93,17 +70,8 @@
((quit)
(apply throw key args))
(else
(pmatch (cons key args)
((syntax-error ,who ,message ,where ,form ,subform . ,rest)
(display-syntax-error (current-output-port)
who message where form subform rest))
((_ ,subr ,msg ,args . ,rest)
(format #t "Throw to key `~a' while reading expression:\n" key)
(display-error #f (current-output-port) subr msg args rest))
(else
(format #t "Throw to key `~a' with args `~s' while reading expression.\n"
key args)))
(force-output)
(format (current-output-port) "While reading expression:\n")
(print-exception (current-output-port) #f key args)
*unspecified*)))))
@ -123,15 +91,7 @@
(lambda () exp)
(lambda (key . args)
(format #t "While ~A:~%" string)
(pmatch (cons key args)
((syntax-error ,who ,message ,where ,form ,subform . ,rest)
(display-syntax-error (current-output-port)
who message where form subform rest))
((_ ,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)
(print-exception (current-output-port) #f key args)
(abort))))))
(define (run-repl repl)
@ -158,15 +118,7 @@
(abort args)
(begin
(format #t "While executing meta-command:~%")
(pmatch args
((syntax-error ,who ,message ,where ,form ,subform . ,rest)
(display-syntax-error (current-output-port)
who message where form subform rest))
((,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" k args)))
(force-output))))))
(print-exception (current-output-port) #f k args))))))
((eof-object? exp)
(newline)
(abort '()))