function_return retval = new function_return();
retval.start = input.LT(1);
Object root_0 = null;
Token char_literal42=null;
Token char_literal43=null;
Token char_literal44=null;
Token char_literal45=null;
Token char_literal46=null;
Token string_literal47=null;
Token char_literal48=null;
identifier_return identifier49 = null;
Object char_literal42_tree=null;
Object char_literal43_tree=null;