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robol.l
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robol.l
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%{
#include <stdlib.h>
#include "robol.h"
#include "y.tab.h"
void yyerror(char *);
extern *flerror;
%}
%option yylineno
%%
"-" |
"+" |
"." |
"(" |
")" |
"<" |
">" |
"=" |
"*" |
"/" |
"'" |
":" |
"{" |
"}" |
"," |
"!" {
/*printf(yytext);*/
return *yytext;
}
"okolina" return OKOLINA;
"dzidovi" return DZIDOVI;
"zetoni" return ZETONI;
"robot" return ROBOT;
"end" return END;
"while" return WHILE;
"ako" return IF;
"inaku" return ELSE;
"print" return PRINT;
"povtoruvaj" return POVTORUVAJ;
"do" return DO;
"pati" return PATI;
"procedura" return PROCEDURA;
"pocetok" return POCETOK;
"kraj" return KRAJ;
"povikaj" return POVIKAJ;
"broj" {yylval.iValue =0; return T_BROJ;} //0 is broj
"nasoka" {yylval.iValue =1; return T_NASOKA;} //1 is nasoka
"I" {yylval.iValue =0; return NASOKA;}
"Z" {yylval.iValue =1; return NASOKA;}
"S" {yylval.iValue =2; return NASOKA;}
"J" {yylval.iValue =3; return NASOKA;}
"IZ" {yylval.iValue =0; return PRAVEC;}
"SJ" { yylval.iValue =1; return PRAVEC;}
"SvrtiLevo" return SVRTILEVO;
"SvrtiDesno" return SVRTIDESNO;
"Odi" return ODI;
"Zemi" return ZEMI;
"Ostavi" return OSTAVI;
[a-zA-z][a-zA-Z0-9]* {
yylval.iValue = lookup(yytext);
//yylval.sIndex = *yytext - 'a';
/*printf(yytext);
printf("\n");*/
return VARIABLE;
}
0 { yylval.iValue = atoi(yytext);
return INTEGER;
}
[1-9][0-9]* {
yylval.iValue = atoi(yytext);
return INTEGER;
}
[\n]+ {return NEWLINE;}
">=" return GE;
"<=" return LE;
"==" return EQ;
"!=" return NE;
[ \t]+ ; /* ignore whitespace */
. yyerror("Unknown character");
%%
int yywrap(void) {
return 1;
}