/// <summary>
/// スクリプトを実行します。
/// </summary>
public object Execute(string script)
{
if (IsRunning)
{
throw new KarinException("既に実行中です。");
}
try {
StopFlag = false;
IsRunning = true;
//字句解析
var ana = new TextAnalyzer(script, "script root");
ana.Analyze();
TokenUtility.Check(ana.Tokens);
var rpn = TokenUtility.ToRPN(ana.Tokens);
//実行
var ret = Ride(rpn);
if (ret is ReturnedObject)
{
ret = (ret as ReturnedObject).Value;
}
return(ret);
} finally {
ScopedVariables.Clear();
IsRunning = false;
}
}
/// <summary>
/// スクリプトを実行します。
/// （再帰用）
/// </summary>
internal object Eval(string script)
{
var ana = new TextAnalyzer(script, "script eval");
ana.Analyze();
TokenUtility.Check(ana.Tokens);
var rpn = TokenUtility.ToRPN(ana.Tokens);
var ret = Ride(rpn);
if (ret is ReturnedObject)
{
ret = (ret as ReturnedObject).Value;
}
return(ret);
}