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/*
* OpenSCAD (www.openscad.at)
* Copyright (C) 2009 Clifford Wolf <clifford@clifford.at>
*
* This program 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 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
%{
#include "openscad.h"
#include "parser_yacc.h"
int lexerget_lineno(void);
static void yyunput(int, char*) __attribute__((unused));
extern const char *parser_input_buffer;
#define YY_INPUT(buf,result,max_size) { \
if (*parser_input_buffer) { \
result = 1; \
buf[0] = *(parser_input_buffer++); \
} else { \
result = YY_NULL; \
} \
}
%}
%option yylineno
%option noyywrap
%x comment
%%
"module" return TOK_MODULE;
"function" return TOK_FUNCTION;
"true" return TOK_TRUE;
"false" return TOK_FALSE;
"undef" return TOK_UNDEF;
[+-]?[0-9][0-9.]* { parserlval.number = atof(yytext); return TOK_NUMBER; }
"$"?[a-zA-Z0-9_]+ { parserlval.text = strdup(yytext); return TOK_ID; }
\"[^"]*\" {
parserlval.text = strdup(yytext+1);
parserlval.text[strlen(parserlval.text)-1] = 0;
return TOK_STRING;
}
[\n\r\t ]
\/\/[^\n]*\n
"/*" BEGIN(comment);
<comment>"*/" BEGIN(INITIAL);
<comment>.|\n
"<=" return LE;
">=" return GE;
"==" return EQ;
"!=" return NE;
"&&" return AND;
"||" return OR;
. { return yytext[0]; }
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