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/*
* Mesa 3-D graphics library
* Version: 6.3
*
* Copyright (C) 2005 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/**
* \file slang_version.syn
* slang #version directive syntax
* \author Michal Krol
*/
.syntax version_directive;
version_directive
version_directive_1 .and .loop version_directive_2;
version_directive_1
prior_optional_spaces .and optional_version_directive .and .true .emit $;
version_directive_2
prior_optional_spaces .and version_directive_body .and .true .emit $;
optional_version_directive
version_directive_body .or .true .emit 10 .emit 1;
version_directive_body
'#' .and optional_space .and "version" .and space .and version_number .and optional_space .and
new_line;
version_number
version_number_110;
version_number_110
leading_zeroes .and "110" .emit 10 .emit 1;
leading_zeroes
.loop zero;
zero
'0';
space
single_space .and .loop single_space;
optional_space
.loop single_space;
single_space
' ' .or '\t';
prior_optional_spaces
.loop prior_space;
prior_space
c_style_comment_block .or cpp_style_comment_block .or space .or new_line;
c_style_comment_block
'/' .and '*' .and c_style_comment_rest;
c_style_comment_rest
.loop c_style_comment_char_no_star .and c_style_comment_rest_1;
c_style_comment_rest_1
c_style_comment_end .or c_style_comment_rest_2;
c_style_comment_rest_2
'*' .and c_style_comment_rest;
c_style_comment_char_no_star
'\x2B'-'\xFF' .or '\x01'-'\x29';
c_style_comment_end
'*' .and '/';
cpp_style_comment_block
'/' .and '/' .and cpp_style_comment_block_1;
cpp_style_comment_block_1
cpp_style_comment_block_2 .or cpp_style_comment_block_3;
cpp_style_comment_block_2
.loop cpp_style_comment_char .and new_line;
cpp_style_comment_block_3
.loop cpp_style_comment_char;
cpp_style_comment_char
'\x0E'-'\xFF' .or '\x01'-'\x09' .or '\x0B'-'\x0C';
new_line
cr_lf .or lf_cr .or '\n' .or '\r';
cr_lf
'\r' .and '\n';
lf_cr
'\n' .and '\r';
.string __string_filter;
__string_filter
.loop __identifier_char;
__identifier_char
'a'-'z' .or 'A'-'Z' .or '_' .or '0'-'9';
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