Mercurial > octave-nkf
view test/try.tst @ 17249:923ce8b42db2
improve try-catch-statement to save exception to a variable (bug #33217)
* oct-parse.in.yy (except_command): Handle exception identifiers.
* oct-parse.in.yy, parse.h (octave_base_parser::make_try_command):
New arg, ID.
* pt-except.cc, pt-except.h (tree_try_catch_command::expr_id): New
data member.
(tree_command::tree_command): Initialize it.
(tree_command::~tree_command): Delete it.
(tree_command::identifier): New function.
* pt-check.cc (tree_checker::visit_try_catch_command): Check for valid
expr_id.
* pt-pr-code.cc (tree_print_code::visit_try_catch_command):
Print expr_id.
* pt-eval.cc (tree_evaluator::visit_try_catch_command): Assign message
and identifier to variable.
* try.tst: New test.
* NEWS: Note change.
author | Stefan Mahr <dac922@gmx.de> |
---|---|
date | Tue, 13 Aug 2013 19:35:53 +0200 |
parents | 333243133364 |
children | e6c0ac8ce5b6 |
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## Copyright (C) 2006-2012 John W. Eaton ## ## This file is part of Octave. ## ## Octave 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 3 of the License, or (at ## your option) any later version. ## ## Octave 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 Octave; see the file COPYING. If not, see ## <http://www.gnu.org/licenses/>. %!test %! try %! catch %! error ("Shoudn't get here"); %! end_try_catch %!test %! try %! clear a; %! a; %! catch %! end_try_catch %! a = 1; %! assert (a,1); %!test %! clear x; %! try %! clear a; %! a; %! x = 1; %! catch %! end_try_catch %! a = 2; %! assert (!exist ('x')); %! assert (a,2); %!test %! try %! clear a; %! a; %! catch %! x = 1; %! end_try_catch %! assert (exist ('x')); %!test %! try %! clear a; %! a; %! error ("Shoudn't get here"); %! catch %! assert (lasterr()(1:13), "'a' undefined"); %! end_try_catch %! assert (lasterr()(1:13), "'a' undefined"); %!test %! try %! error ("user-defined error"); %! catch %! assert (lasterr, "user-defined error"); %! end_try_catch %!function ms = mangle (s) %! ## Wrap angle brackets around S. %! ms = ["<" s ">"]; %!endfunction %!test %! try %! clear a; %! a; %! error ("Shoudn't get here"); %! catch %! assert (mangle (lasterr)(1:14), "<'a' undefined"); %! end_try_catch %!test %! try %! try %! clear a; %! a; %! error ("Shoudn't get here"); %! catch %! assert (lasterr()(1:13), "'a' undefined"); %! end_try_catch %! clear b; %! b; %! error ("Shoudn't get here"); %! catch %! assert (lasterr()(1:13), "'b' undefined"); %! end_try_catch %!test %! try %! clear a; %! a; %! error ("Shoudn't get here"); %! catch %! try %! assert (lasterr()(1:13), "'a' undefined"); %! clear b; %! b; %! error ("Shoudn't get here"); %! catch %! assert (lasterr()(1:13), "'b' undefined"); %! end_try_catch %! end_try_catch %!test %! try %! try %! clear a; %! a; %! error ("Shoudn't get here"); %! catch %! error (["rethrow: " lasterr]); %! end_try_catch %! catch %! assert (lasterr()(1:22), "rethrow: 'a' undefined"); %! end_try_catch %!test %! clear myerr; %! try %! error ("user-defined error"); %! catch myerr %! assert (myerr.message, "user-defined error"); %! end_try_catch %!test %! try %! clear a; %! error ("user-defined error"); %! catch a=1; %! assert (lasterr, "user-defined error"); %! assert (a, 1); %! end_try_catch %!test %! clear myerr1 %! clear myerr2 %! try %! try %! clear a; %! a; %! catch myerr1 %! error (myerr1); %! end_try_catch %! catch myerr2 %! assert (myerr1.message, myerr2.message); %! assert (myerr1.identifier, myerr2.identifier); %! end_try_catch