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<hr><h1>lex.h</h1><a href="lex_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX NEL.</font>
00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025
00026
00027 <font class="preprocessor">#ifndef NL_LEX_H</font>
00028 <font class="preprocessor"></font><font class="preprocessor">#define NL_LEX_H</font>
00029 <font class="preprocessor"></font>
00030 <font class="preprocessor">#include <strstream></font>
00031
00032 <font class="keyword">struct </font><a class="code" href="structyy__buffer__state.html">yy_buffer_state</a>;
00033
<a name="l00034"></a><a class="code" href="lex_8h.html#a2">00034</a> <font class="keyword">typedef</font> <font class="keywordtype">int</font> <a class="code" href="lex_8h.html#a2">yy_state_type</a>;
<a name="l00035"></a><a class="code" href="lex_8h.html#a0">00035</a> <font class="preprocessor">#define YY_SKIP_YYWRAP</font>
00036 <font class="preprocessor"></font>
00037 <font class="keyword">namespace </font>NLAISCRIPT
00038 {
00039
00040
<a name="l00041"></a><a class="code" href="classNLAISCRIPT_1_1FlexLexer.html">00041</a> <font class="keyword">class </font>FlexLexer {
00042 <font class="keyword">public</font>:
<a name="l00043"></a><a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a0">00043</a> <font class="keyword">virtual</font> <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a0">~FlexLexer</a>() { }
00044
<a name="l00045"></a><a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a1">00045</a> <font class="keyword">const</font> <font class="keywordtype">char</font>* <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a1">YYText</a>() { <font class="keywordflow">return</font> <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#n0">yytext</a>; }
<a name="l00046"></a><a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a2">00046</a> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a2">YYLeng</a>() { <font class="keywordflow">return</font> <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#n1">yyleng</a>; }
00047
00048 <font class="keyword">virtual</font> <font class="keywordtype">void</font>
00049 <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a3">yy_switch_to_buffer</a>( <font class="keyword">struct</font> <a class="code" href="structyy__buffer__state.html">yy_buffer_state</a>* new_buffer ) = 0;
00050 <font class="keyword">virtual</font> <font class="keyword">struct </font><a class="code" href="structyy__buffer__state.html">yy_buffer_state</a>*
00051 yy_create_buffer( istream* s, int size ) = 0;
00052 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a5">yy_delete_buffer</a>( <font class="keyword">struct</font> <a class="code" href="structyy__buffer__state.html">yy_buffer_state</a>* b ) = 0;
00053 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a6">yyrestart</a>( istream* s ) = 0;
00054
00055 <font class="keyword">virtual</font> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a7">yylex</a>() = 0;
00056
00057 <font class="comment">// Call yylex with new input/output sources.</font>
<a name="l00058"></a><a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a8">00058</a> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a7">yylex</a>( istream* new_in, ostream* new_out = 0 )
00059 {
00060 <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a9">switch_streams</a>( new_in, new_out );
00061 <font class="keywordflow">return</font> <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a7">yylex</a>();
00062 }
00063
00064 <font class="comment">// Switch to new input/output streams. A nil stream pointer</font>
00065 <font class="comment">// indicates "keep the current one".</font>
00066 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a9">switch_streams</a>( istream* new_in = 0,
00067 ostream* new_out = 0 ) = 0;
00068
<a name="l00069"></a><a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a10">00069</a> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a10">lineno</a>()<font class="keyword"> const </font>{ <font class="keywordflow">return</font> <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#n2">yylineno</a>; }
00070
<a name="l00071"></a><a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a11">00071</a> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a11">debug</a>()<font class="keyword"> const </font>{ <font class="keywordflow">return</font> <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#n3">yy_flex_debug</a>; }
<a name="l00072"></a><a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a12">00072</a> <font class="keywordtype">void</font> <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#a12">set_debug</a>( <font class="keywordtype">int</font> flag ) { <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#n3">yy_flex_debug</a> = flag; }
00073
00074 <font class="keyword">protected</font>:
<a name="l00075"></a><a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#n0">00075</a> <font class="keywordtype">char</font>* <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#n0">yytext</a>;
<a name="l00076"></a><a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#n1">00076</a> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#n1">yyleng</a>;
<a name="l00077"></a><a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#n2">00077</a> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#n2">yylineno</a>; <font class="comment">// only maintained if you use %option yylineno</font>
<a name="l00078"></a><a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#n3">00078</a> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1FlexLexer.html#n3">yy_flex_debug</a>; <font class="comment">// only has effect with -d or "%option debug" </font>
00079
00080 };
00081
00082
<a name="l00083"></a><a class="code" href="lex_8h.html#a1">00083</a> <font class="preprocessor"> #define yyFlexLexerOnce</font>
00084 <font class="preprocessor"></font>
<a name="l00085"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html">00085</a> <font class="keyword">class </font>yyFlexLexer : <font class="keyword">public</font> FlexLexer {
00086 <font class="keyword">public</font>:
00087 <font class="comment">// arg_yyin and arg_yyout default to the cin and cout, but we</font>
00088 <font class="comment">// only make that assignment when initializing in yylex().</font>
00089 <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#a0">yyFlexLexer</a>( istream* arg_yyin = 0, ostream* arg_yyout = 0 );
00090
00091 <font class="keyword">virtual</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#a1">~yyFlexLexer</a>();
00092
00093 <font class="keywordtype">void</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#a2">yy_switch_to_buffer</a>( <font class="keyword">struct</font> <a class="code" href="structyy__buffer__state.html">yy_buffer_state</a>* new_buffer );
00094 <font class="keyword">struct </font><a class="code" href="structyy__buffer__state.html">yy_buffer_state</a>* yy_create_buffer( istream* s, int size );
00095 <font class="keywordtype">void</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#a4">yy_delete_buffer</a>( <font class="keyword">struct</font> <a class="code" href="structyy__buffer__state.html">yy_buffer_state</a>* b );
00096 <font class="keywordtype">void</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#a5">yyrestart</a>( istream* s );
00097
00098 <font class="keyword">virtual</font> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#a6">yylex</a>();
00099 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#a7">switch_streams</a>( istream* new_in, ostream* new_out );
00100
00101
00102 <font class="keyword">protected</font>:
00103 <font class="keyword">virtual</font> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#b0">LexerInput</a>( <font class="keywordtype">char</font>* buf, <font class="keywordtype">int</font> max_size );
00104 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#b1">LexerOutput</a>( <font class="keyword">const</font> <font class="keywordtype">char</font>* buf, <font class="keywordtype">int</font> size );
00105 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#b2">LexerError</a>( <font class="keyword">const</font> <font class="keywordtype">char</font>* msg );
00106
00107 <font class="keywordtype">void</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#b3">yyunput</a>( <font class="keywordtype">int</font> c, <font class="keywordtype">char</font>* buf_ptr );
00108 <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#b4">yyinput</a>();
00109
00110 <font class="keywordtype">void</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#b5">yy_load_buffer_state</a>();
00111 <font class="keywordtype">void</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#b6">yy_init_buffer</a>( <font class="keyword">struct</font> <a class="code" href="structyy__buffer__state.html">yy_buffer_state</a>* b, istream* s );
00112 <font class="keywordtype">void</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#b7">yy_flush_buffer</a>( <font class="keyword">struct</font> <a class="code" href="structyy__buffer__state.html">yy_buffer_state</a>* b );
00113
<a name="l00114"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n0">00114</a> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n0">yy_start_stack_ptr</a>;
<a name="l00115"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n1">00115</a> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n1">yy_start_stack_depth</a>;
<a name="l00116"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n2">00116</a> <font class="keywordtype">int</font>* <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n2">yy_start_stack</a>;
00117
00118 <font class="keywordtype">void</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#b8">yy_push_state</a>( <font class="keywordtype">int</font> new_state );
00119 <font class="keywordtype">void</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#b9">yy_pop_state</a>();
00120 <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#b10">yy_top_state</a>();
00121
00122 <a class="code" href="lex_8h.html#a2">yy_state_type</a> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#b11">yy_get_previous_state</a>();
00123 <a class="code" href="lex_8h.html#a2">yy_state_type</a> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#b12">yy_try_NUL_trans</a>( <a class="code" href="lex_8h.html#a2">yy_state_type</a> current_state );
00124 <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#b13">yy_get_next_buffer</a>();
00125
<a name="l00126"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n3">00126</a> istream* <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n3">yyin</a>; <font class="comment">// input source for default LexerInput</font>
<a name="l00127"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n4">00127</a> ostream* <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n4">yyout</a>; <font class="comment">// output sink for default LexerOutput</font>
00128
<a name="l00129"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n5">00129</a> <font class="keyword">struct </font><a class="code" href="structyy__buffer__state.html">yy_buffer_state</a>* yy_current_buffer;
00130
00131 <font class="comment">// yy_hold_char holds the character lost when yytext is formed.</font>
<a name="l00132"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n6">00132</a> <font class="keywordtype">char</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n6">yy_hold_char</a>;
00133
00134 <font class="comment">// Number of characters read into yy_ch_buf.</font>
<a name="l00135"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n7">00135</a> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n7">yy_n_chars</a>;
00136
00137 <font class="comment">// Points to current character in buffer.</font>
<a name="l00138"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n8">00138</a> <font class="keywordtype">char</font>* <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n8">yy_c_buf_p</a>;
00139
<a name="l00140"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n9">00140</a> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n9">yy_init</a>; <font class="comment">// whether we need to initialize</font>
<a name="l00141"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n10">00141</a> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n10">yy_start</a>; <font class="comment">// start state number</font>
00142
00143 <font class="comment">// Flag which is used to allow yywrap()'s to do buffer switches</font>
00144 <font class="comment">// instead of setting up a fresh yyin. A bit of a hack ...</font>
<a name="l00145"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n11">00145</a> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n11">yy_did_buffer_switch_on_eof</a>;
00146
00147 <font class="comment">// The following are not always needed, but may be depending</font>
00148 <font class="comment">// on use of certain flex features (like REJECT or yymore()).</font>
00149
<a name="l00150"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n12">00150</a> <a class="code" href="lex_8h.html#a2">yy_state_type</a> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n12">yy_last_accepting_state</a>;
<a name="l00151"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n13">00151</a> <font class="keywordtype">char</font>* <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n13">yy_last_accepting_cpos</a>;
00152
<a name="l00153"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n14">00153</a> <a class="code" href="lex_8h.html#a2">yy_state_type</a>* <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n14">yy_state_buf</a>;
<a name="l00154"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n15">00154</a> <a class="code" href="lex_8h.html#a2">yy_state_type</a>* <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n15">yy_state_ptr</a>;
00155
<a name="l00156"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n16">00156</a> <font class="keywordtype">char</font>* <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n16">yy_full_match</a>;
<a name="l00157"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n17">00157</a> <font class="keywordtype">int</font>* <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n17">yy_full_state</a>;
<a name="l00158"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n18">00158</a> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n18">yy_full_lp</a>;
00159
<a name="l00160"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n19">00160</a> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n19">yy_lp</a>;
<a name="l00161"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n20">00161</a> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n20">yy_looking_for_trail_begin</a>;
00162
<a name="l00163"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n21">00163</a> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n21">yy_more_flag</a>;
<a name="l00164"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n22">00164</a> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n22">yy_more_len</a>;
00165
00166
00167 <font class="comment">//this is a new define type for our operation</font>
<a name="l00168"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n23">00168</a> <font class="keywordtype">char</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n23">LastyyText</a>[2][1024*4];
<a name="l00169"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n24">00169</a> <font class="keywordtype">double</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n24">LastyyNum</a>;
<a name="l00170"></a><a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n25">00170</a> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n25">yyLine</a>,<a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#n26">yyColone</a>;
00171
00172 <font class="keyword">virtual</font> <font class="keywordtype">int</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#b14">yywrap</a>() = 0;
00173
00175 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classNLAISCRIPT_1_1yyFlexLexer.html#b15">setNewLine</a>() = 0;
00176 };
00177 }
00178 <font class="preprocessor">#endif</font>
</pre></div>
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