root rewrite
prog: child ';'^ child
;
child: ID OP ID ID -> ^(OP ID ID ID);
OP: 'are' | 'am';
ID: ('a' .. 'z' | 'A' .. 'Z')+;
WS: (' '|'\r'|'\n') {$channel=HIDDEN;};
input
you are very good; I am fairly good
output tree
prog: child ';'^ child
;
child: ID OP ID ID -> ^(OP ID ID ID);
OP: 'are' | 'am';
ID: ('a' .. 'z' | 'A' .. 'Z')+;
WS: (' '|'\r'|'\n') {$channel=HIDDEN;};
you are very good; I am fairly good