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Diffstat (limited to 'ice-9/stack-catch.scm')
-rw-r--r-- | ice-9/stack-catch.scm | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/ice-9/stack-catch.scm b/ice-9/stack-catch.scm deleted file mode 100644 index c5f37c199..000000000 --- a/ice-9/stack-catch.scm +++ /dev/null @@ -1,70 +0,0 @@ -;;; installed-scm-file - -;;;; Copyright (C) 2001 Free Software Foundation, Inc. -;;;; -;;;; This program is free software; you can redistribute it and/or modify -;;;; it under the terms of the GNU General Public License as published by -;;;; the Free Software Foundation; either version 2, or (at your option) -;;;; any later version. -;;;; -;;;; This program is distributed in the hope that it will be useful, -;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of -;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -;;;; GNU General Public License for more details. -;;;; -;;;; You should have received a copy of the GNU General Public License -;;;; along with this software; see the file COPYING. If not, write to -;;;; the Free Software Foundation, Inc., 59 Temple Place, Suite 330, -;;;; Boston, MA 02111-1307 USA -;;;; -;;;; As a special exception, the Free Software Foundation gives permission -;;;; for additional uses of the text contained in its release of GUILE. -;;;; -;;;; The exception is that, if you link the GUILE library with other files -;;;; to produce an executable, this does not by itself cause the -;;;; resulting executable to be covered by the GNU General Public License. -;;;; Your use of that executable is in no way restricted on account of -;;;; linking the GUILE library code into it. -;;;; -;;;; This exception does not however invalidate any other reasons why -;;;; the executable file might be covered by the GNU General Public License. -;;;; -;;;; This exception applies only to the code released by the -;;;; Free Software Foundation under the name GUILE. If you copy -;;;; code from other Free Software Foundation releases into a copy of -;;;; GUILE, as the General Public License permits, the exception does -;;;; not apply to the code that you add in this way. To avoid misleading -;;;; anyone as to the status of such modified files, you must delete -;;;; this exception notice from them. -;;;; -;;;; If you write modifications of your own for GUILE, it is your choice -;;;; whether to permit this exception to apply to your modifications. -;;;; If you do not wish that, delete this exception notice. -;;;; - -(define-module (ice-9 stack-catch) - :export (stack-catch)) - -(define (stack-catch key thunk handler) - "Like @code{catch}, invoke @var{thunk} in the dynamic context of -@var{handler} for exceptions matching @var{key}, but also save the -current stack state in the @var{the-last-stack} fluid, for the purpose -of debugging or re-throwing of an error. If thunk throws to the -symbol @var{key}, then @var{handler} is invoked this way:\n -@example -(handler key args ...) -@end example\n -@var{key} is a symbol or #t.\n -@var{thunk} takes no arguments. If @var{thunk} returns normally, that -is the return value of @code{catch}.\n -Handler is invoked outside the scope of its own @code{catch}. If -@var{handler} again throws to the same key, a new handler from further -up the call chain is invoked.\n -If the key is @code{#t}, then a throw to @emph{any} symbol will match -this call to @code{catch}." - (catch key - (lambda () - (lazy-catch key - thunk - lazy-handler-dispatch)) - handler)) |