source: cpp/f8-to-f1/conv_f8tof1_scanner.l @ 106

/*
 *  conv_f8tof1_scanner.l
 *  L-systemToF1
 *
 *  Created by Maciej Wajcht on 08-03-28.
 *  Copyright 2008 __MyCompanyName__. All rights reserved.
 *
 */
%{
#include "lexglobal.h"
#include "conv_f8tof1_grammar.h"
#include <string.h>
#include <math.h>
        
        YYSTYPE yylval;
        int line = 1, col = 1;
        //int yyFlexLexer::yywrap(void) {
        int yywrap(void) {
                return 1;
        }
%}
%%

n[0-9]+                 { col += yyleng; 
                                          yylval.strVal = yytext;
                                          return PARAM_NAME; 
                                        }

P[0-9]+         { col += yyleng; 
                                          yylval.strVal = yytext;
                                          return PROD_NAME; 
                                        }

-?[0-9]+(\.[0-9]+)?     { col += yyleng;
                                          //yylval.dblVal = atof(yytext);
                                          yylval.strVal = yytext;
                                          return DOUBLE_VAL; 
                                        }

[ \t\r]+                                { col += yyleng; }               /* ignore but count white space */

"="                                     { col += yyleng; yylval.strVal = yytext; return ASSIGN; }

"<"                                     { col += yyleng; yylval.strVal = yytext; return LESS; }
"<="                            { col += yyleng; yylval.strVal = yytext; return LESS_EQUAL; }
"=="                            { col += yyleng; yylval.strVal = yytext; return EQUAL; }
"!="                            { col += yyleng; yylval.strVal = yytext; return NOT_EQUAL; }
">="                            { col += yyleng; yylval.strVal = yytext; return GREATER_EQUAL; }
">"                                     { col += yyleng; yylval.strVal = yytext; return GREATER; }

[X\[\]\^RrLlAaCcFfMmSsIiQqWwEe]         { col += yyleng; 
                                          yylval.strVal = yytext;
                                          return COMMAND; 
                                        }

\\\[.*\\\]                      { col += yyleng;
                                          yylval.strVal = yytext;
                                          return NEURON;
                                        }

"{"                                     { col += yyleng; yylval.strVal = yytext; return FORLOOP_BEGIN; }
"}"                                     { col += yyleng; yylval.strVal = yytext; return FORLOOP_END; }

"("                                     { col += yyleng; yylval.strVal = yytext; return LPAREN; }
")"                                     { col += yyleng; yylval.strVal = yytext; return RPAREN; }

"-"{3}                          { col += yyleng; yylval.strVal = yytext; return DELIMETER; }

":"                                     { col += yyleng; yylval.strVal = yytext; return SEMICOLON; }
"|"                                     { col += yyleng; yylval.strVal = yytext; return PIPE; }
","                                     { col += yyleng; yylval.strVal = yytext; return COMMA; }

"+"                                     { col += yyleng; yylval.strVal = yytext; return PLUS; }
"-"                                     { col += yyleng; yylval.strVal = yytext; return MINUS; }
"*"                                     { col += yyleng; yylval.strVal = yytext; return TIMES; }
"/"                                     { col += yyleng; yylval.strVal = yytext; return DIV; }

\n                                      { col = 0; ++line; yylval.strVal = "\\n"; return NEWLINE; }

.                                       { col += yyleng; yylval.strVal = yytext; return -1; }

%%
/**
  * reset the line and column count
  */
void reset_lexer(void)
{
        line = 1;
        col  = 1;    
}

/**
  * yyerror() is invoked when the lexer or the parser encounter
  * an error. The error message is passed via *s
  */
void yyerror(char *s)
{
        printf("error: %s at line: %d col: %d\n",s,line,col);
}

/*int yywrap(void)
{
        return 1;
}*/