1// @@ANTLR Tool Options@@: -trace
2grammar t044trace;
3options {
4  language = JavaScript;
5}
6
7a: '<' ((INT '+')=>b|c) '>';
8b: c ('+' c)*;
9c: INT;
10
11INT: ('0'..'9')+;
12WS: (' ' | '\n' | '\t')+ {$channel = HIDDEN;};
13