Method ForStatement

LuaParser/src/Parse/LuaParser.cpp:275–301

forstat -> FOR (fornum | forlist) END */

/* forstat -> FOR (fornum | forlist) END */
void LuaParser::ForStatement() {
    // forstatement 只有一个 for 的token 节点 加上 forNumber或者forList 节点
    auto m = Mark();

    CheckAndNext(TK_FOR);

    Check(TK_NAME);

    switch (LookAhead()) {
        case '=': {
            ForNumber();
            break;
        }
        case ',':
        case TK_IN: {
            ForList();
            break;
        }
        default: {
            LuaExpectedError("'=' or 'in' expected");
        }
    }

    TestAndNext(';');

    m.Complete(*this, LuaSyntaxNodeKind::ForStatement);
}

void LuaParser::ForNumber() {
    auto m = Mark();