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class L extends Lexer;
{
private static boolean done = false;
public void uponEOF() throws TokenStreamException, CharStreamException {
done=true;
}
/** set tabs to 4, just round column up to next tab + 1
12345678901234567890
x x x x
*/
public void tab() {
int t = 4;
int c = getColumn();
int nc = (((c-1)/t)+1)*t+1;
setColumn( nc );
}
public static void main(String[] args) throws Exception {
L lexer = new L(System.in);
while ( !done ) {
Token t = lexer.nextToken();
System.out.println("Token: "+t);
}
}
}
INT : ('0'..'9')+ ;
ID : ('a'..'z')+ ;
WS : (' '|'\t'|'\n'{newline();})+ {$setType(Token.SKIP);}
;
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