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[project @ 2007-10-31 21:26:39 by jwe]
author jwe
date Wed, 31 Oct 2007 21:29:24 +0000
parents fd42779a8428
children 67e3edbf8ff7
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1 @c Copyright (C) 1996, 1997, 2007 John W. Eaton
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2 @c
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3 @c This file is part of Octave.
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4 @c
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5 @c Octave is free software; you can redistribute it and/or modify it
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6 @c under the terms of the GNU General Public License as published by the
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7 @c Free Software Foundation; either version 3 of the License, or (at
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8 @c your option) any later version.
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9 @c
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10 @c Octave is distributed in the hope that it will be useful, but WITHOUT
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11 @c ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 @c FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 @c for more details.
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14 @c
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15 @c You should have received a copy of the GNU General Public License
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16 @c along with Octave; see the file COPYING. If not, see
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17 @c <http://www.gnu.org/licenses/>.
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18
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19 @node Grammar
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20 @appendix Grammar
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21 @cindex grammar rules
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22 @cindex language definition
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23
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24 This appendix should eventually contain a semi-formal description of
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25 Octave's language.
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26
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27 @menu
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28 * Keywords::
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29 @end menu
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30
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31 @node Keywords
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32 @section Keywords
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33 @cindex keywords
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34
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35 The following identifiers are keywords, and may not be used as variable
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36 or function names:
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37
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38 @multitable @columnfractions .33 .33 .33
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39 @item @code{break} @tab @code{case} @tab @code{catch}
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40 @item @code{continue} @tab @code{do} @tab @code{else}
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41 @item @code{elseif} @tab @code{end} @tab @code{end_try_catch}
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42 @item @code{end_unwind_protect} @tab @code{endfor} @tab @code{endfunction}
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43 @item @code{endif} @tab @code{endswitch} @tab @code{endwhile}
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44 @item @code{for} @tab @code{function} @tab @code{global}
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45 @item @code{if} @tab @code{otherwise} @tab @code{persistent}
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46 @item @code{return} @tab @code{static} @tab @code{switch}
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47 @item @code{try} @tab @code{until} @tab @code{unwind_protect}
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48 @item @code{unwind_protect_cleanup} @tab @code{varargin} @tab @code{varargout}
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49 @item @code{while} @tab @code{__FILE__} @tab @code{__LINE__}
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50 @end multitable
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52 @DOCSTRING(iskeyword)