public Object visit(ASTLangMatches node, Object data)
throws VisitorException
{
ValueExpr leftArg = (ValueExpr)node.jjtGetChild(0).jjtAccept(this, null);
ValueExpr rightArg = (ValueExpr)node.jjtGetChild(1).jjtAccept(this, null);
return new LangMatches(leftArg, rightArg);
}