how.cc

stmt = make_unique<ast::Print>();
if (!SYNTAX_OPTIONAL_ADVANCE_KEYWORD(lex::KW_endl)) {
  MUST_PARSE(parse_expr<CK_Regular>(r, lr, f, it,
        stmt->as_a<ast::Print>().expr));
}
if (SYNTAX_OPTIONAL_ADVANCE_KEYWORD(lex::KW_endl)) {
  stmt->as_a<ast::Print>().endl = true;
}
SYNTAX_ADVANCE(lex::TK_Semicolon);
break;