[type]
Lexer

[grammar]
lexer grammar L;
A : '-' I ;
I : '0'..'9'+ ;
WS : (' '|'\n') -> skip ;

[input]
34 -21 3

[output]
[@0,0:1='34',<2>,1:0]
[@1,3:5='-21',<1>,1:3]
[@2,7:7='3',<2>,1:7]
[@3,8:7='<EOF>',<-1>,1:8]