1// @@ANTLR Tool Options@@: -trace 2tree grammar t051treeRewriteASTxWalker; 3options { 4 language=JavaScript; 5 output=AST; 6 ASTLabelType=CommonTree; 7 tokenVocab=t051treeRewriteASTx; 8 rewrite=true; 9} 10tokens { X; } 11s : a* b ; // only b contributes to tree, but it's after a*; s.tree = b.tree 12a : X ; 13b : ^(ID INT) -> INT 14 ; 15