1 grammar t051treeRewriteASTy; 2 options { 3 language=JavaScript; 4 output=AST; 5 } 6 a : 'boo' ID INT -> 'boo' ^(ID INT) ; 7 ID : 'a'..'z'+ ; 8 INT : '0'..'9'+; 9 WS : (' '|'\n') {$channel=HIDDEN;} ; 10
