[type]
Lexer

[grammar]
lexer grammar L;
ACTION : '{' (ACTION | ~[{}])* '}';
WS : [ \r\n\t]+ -> skip;

[input]
{ { } }

[output]
[@0,0:6='{ { } }',<1>,1:0]
[@1,7:6='<EOF>',<-1>,1:7]