Mercurial > octave
view src/pt-jump.cc @ 2982:20f5cec4f11c
[project @ 1997-05-16 03:29:26 by jwe]
author | jwe |
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date | Fri, 16 May 1997 03:30:14 +0000 |
parents | |
children | aa9d0c0e0458 |
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/* Copyright (C) 1996, 1997 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 2, 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, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #if defined (__GNUG__) #pragma implementation #endif #ifdef HAVE_CONFIG_H #include <config.h> #endif // Nonzero means we're breaking out of a loop or function body. int breaking = 0; // Nonzero means we're jumping to the end of a loop. int continuing = 0; // Nonzero means we're returning from a function. Global because it // is also needed in tree-expr.cc. int returning = 0; #include "error.h" #include "pt-jump.h" #include "pt-walk.h" // Break. void tree_break_command::eval (void) { if (! error_state) breaking = 1; } void tree_break_command::accept (tree_walker& tw) { tw.visit_break_command (*this); } // Continue. void tree_continue_command::eval (void) { if (! error_state) continuing = 1; } void tree_continue_command::accept (tree_walker& tw) { tw.visit_continue_command (*this); } // Return. void tree_return_command::eval (void) { if (! error_state) returning = 1; } void tree_return_command::accept (tree_walker& tw) { tw.visit_return_command (*this); } /* ;;; Local Variables: *** ;;; mode: C++ *** ;;; End: *** */