[type]
Lexer

[grammar]
lexer grammar L;
A : 'a' 'b' ;

[input]
abx

[output]
[@0,0:1='ab',<1>,1:0]
[@1,3:2='<EOF>',<-1>,1:3]

[errors]
"""line 1:2 token recognition error at: 'x'
"""