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53befeb700
(Not quite finished, the following will be done tomorrow. module/srfi/*.scm module/rnrs/*.scm module/scripts/*.scm testsuite/*.scm guile-readline/* )
63 lines
1.7 KiB
Scheme
63 lines
1.7 KiB
Scheme
;;;; (ice-9 debugging trc) -- tracing for Guile debugger code
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;;; Copyright (C) 2002, 2004 Free Software Foundation, Inc.
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;;;
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;;;; This library is free software; you can redistribute it and/or
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;;;; modify it under the terms of the GNU Lesser General Public
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;;;; License as published by the Free Software Foundation; either
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;;;; version 3 of the License, or (at your option) any later version.
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;;;;
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;;;; This library is distributed in the hope that it will be useful,
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;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;;;; Lesser General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU Lesser General Public
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;;;; License along with this library; if not, write to the Free Software
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;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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(define-module (ice-9 debugging trc)
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#:export (trc trc-syms trc-all trc-none trc-add trc-remove trc-port))
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(define *syms* #f)
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(define (trc-set! syms)
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(set! *syms* syms))
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(define (trc-syms . syms)
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(trc-set! syms))
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(define (trc-all)
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(trc-set! #f))
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(define (trc-none)
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(trc-set! '()))
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(define (trc-add sym)
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(trc-set! (cons sym *syms*)))
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(define (trc-remove sym)
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(trc-set! (delq1! sym *syms*)))
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(define (trc sym . args)
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(if (or (not *syms*)
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(memq sym *syms*))
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(let ((port (trc-port)))
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(write sym port)
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(display ":" port)
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(for-each (lambda (arg)
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(display " " port)
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(write arg port))
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args)
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(newline port))))
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(define trc-port
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(let ((port (current-error-port)))
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(make-procedure-with-setter
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(lambda () port)
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(lambda (p) (set! port p)))))
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;; Default to no tracing.
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(trc-none)
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;;; (ice-9 debugging trc) ends here.
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