private static IExpression GetMember(RuntimeData runtime, IExpression parent, Member searchToken)
{
// まずは変数を検索する
if (parent == null)
{
if (runtime.ContainsKey(searchToken.Text))
{
return(runtime.GetData(searchToken.Token));
}
}
// 親メンバーから検索
if (parent != null)
{
throw new NotImplementedException();
}
// フィールドメンバーから検索
if (parent == null)
{
if (runtime.ContainsFunc(searchToken.Text))
{
return(runtime.GetFunc(searchToken, false));
}
}
// 不明なものはとりあえず変数と見立てる
if (parent == null)
{
return(new Variable(searchToken.Token));
}
throw new SyntaxException(string.Format("'{0}'は見つかりませんでした", searchToken.Text),
searchToken.Token, new KeyNotFoundException());
}
public override INumber Execute(RuntimeData runtime, params INumber[] parameters)
{
var param = parameters[0];
if (param is Variable || param is Member)
{
string name = "";
if (param is Variable)
{
name = (param as Variable).Name;
}
if (param is Member)
{
name = (param as Member).Text;
}
if (runtime.ContainsFunc(name))
{
var func = runtime.GetFunc(param, false);
if (func is UserDefineFunction)
{
return((func as UserDefineFunction).Formula as INumber);
}
}
}
return(parameters[0].Eval(runtime));
}
public override INumber Execute(RuntimeData runtime, params INumber[] parameters)
{
if (parameters[0] is Variable || parameters[0] is Member)
{
Variable v = parameters[0] as Variable;
if (v == null)
{
v = new Variable((parameters[0] as Member).Token);
}
if (!runtime.Functions.ContainsKey(v.Name))
{
throw new RuntimeException(string.Format("関数 '{0}' は見つかりませんでした。", parameters[0]));
}
if (!(runtime.GetFunc(v, false) is UserDefineFunction))
{
throw new RuntimeException("さdelfunc関数で削除できるのはユーザー定義関数のみです。", parameters[9]);
}
runtime.Functions.Remove(v.Name);
}
return(null);
}
private static IExpression ExecuteFunc(RuntimeData runtime, IExpression func, INumber multiple)
{
if (func == null)
{
throw new ArgumentNullException("func");
}
if (func is IFunction)
{
List <IExpression> param = new List <Interface.IExpression>();
int count = runtime.NowBlock.Count;
for (int i = 0; i < count; i++)
{
IExpression ex = runtime.NowBlock.Pop();
if (ex is LineBreak)
{
break;
}
param.Insert(0, ex);
}
List <ExpressionType> paramType = new List <Expression.ExpressionType>();
for (int i = 0; i < param.Count; i++)
{
IExpression ex = param[i];
if (ex is LineBreak)
{
break;
}
if (ex is IConstParameter)
{
paramType.Add(ExpressionType.Number);
continue;
}
else if (ex is IUnknownParameter ||
ex is Member || ex is Variable)
{
paramType.Add(ExpressionType.Unknown);
continue;
}
else if (ex is AdditionFormula ||
ex is MultipleFormula)
{
paramType.Add(ExpressionType.Formula);
continue;
}
else if (ex is Fraction || ex is FunctionFormula ||
ex is FuncedINumber)
{
paramType.Add(ExpressionType.Unknown);
continue;
}
throw new NotImplementedException();
}
var function = runtime.GetFunc(func, true, paramType.ToArray());
var res = function.Execute(runtime, param.ConvertAll <INumber>(a => {
if (function.DoEvaledParam)
{
return((a as IEval).Eval(runtime));
}
else
{
return(a as INumber);
}
}).ToArray());
if (runtime.Setting.IsDebug)
{
StringBuilder sb = new StringBuilder("Func Eval Result : ");
sb.Append(function.Name);
sb.Append("(");
for (int i = 0; i < param.Count; i++)
{
if (i != 0)
{
sb.Append(", ");
}
sb.Append(param[i].ToString());
}
sb.Append(")");
sb.Append(" => " + res == null ? "" : res.ToString());
Console.WriteLine(sb.ToString());
}
return(res);
}
if (func is IConstParameter)
{
return((func as INumber).Multiple(runtime, multiple));
}
throw new RuntimeException("関数と数値以外にパラメータを指定して実行することはできません", func);
}
public INumber Execute(RuntimeData runtime, INumber left, INumber right)
{
return(runtime.GetFunc(new Member(new Token("diff", Analyzer.TokenType.Member)), false).Execute(runtime, new Variable(new Token("x", Analyzer.TokenType.Member)), left));
}
public INumber Execute(RuntimeData runtime, INumber left, INumber right)
{
var func = runtime.GetFunc(new Member(new Token("eval", Analyzer.TokenType.Member)), false, ExpressionType.Unknown);
return(func.Execute(runtime, right));
}