tests/functional/t051treeRewriteASTy.g

grammar t051treeRewriteASTy;
options {
    language=JavaScript;
    output=AST;
}
a : 'boo' ID INT -> 'boo' ^(ID INT) ;
ID : 'a'..'z'+ ;
INT : '0'..'9'+;
WS : (' '|'\n') {$channel=HIDDEN;} ;