/// <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);
}
//関数定義内解析
private List <Token> _ANA_Function_ReadBlock(string subBlockName)
{
var ana = new TextAnalyzer(src, subBlockName, position, 1);
var subs = new List <Token>();
while (true)
{
Token t = ana.Next();
if (t == null)
{
throw new KarinException("ブロックが閉じられていません。");
}
if (t.Type == TokenType.Other && t.Text == "}")
{
break;
}
subs.Add(t);
}
position = ana.position;
line += ana.line - 1;
return(subs);
}
//関数引数解析
private List <Token>[] _ANA_Function_ReadArgs()
{
var args = new List <List <Token> >();
while (true)
{
var ana = new TextAnalyzer(src, BlockName, position, line);
var arg = new List <Token>();
Token t;
while (true)
{
t = ana.Next();
if (t == null)
{
throw new KarinException("引数が閉じられていません。");
}
if (t.Type == TokenType.Other && (t.Text == "," || t.Text == "]"))
{
break;
}
arg.Add(t);
}
position = ana.position;
//line += ana.line-1;
line = ana.line;
args.Add(arg);
if (t.Text == "]")
{
break;
}
}
return(args.ToArray());
}