1 // @@ANTLR Tool Options@@: -trace 2 tree grammar t051treeRewriteASTnWalker; 3 options { 4 language=JavaScript; 5 output=AST; 6 ASTLabelType=CommonTree; 7 tokenVocab=t051treeRewriteASTn; 8 } 9 a : ^(x+=b y+=c) ; 10 b : ID ; 11 c : INT ; 12