private static IFilter AnalysisMethodAndArgs(MethodAndArgsTuple methodAndArgsTuple, Type filter, string filterInfo, bool terminal)
{
if (methodAndArgsTuple.MethodName.Type != Token.TokenType.Literal)
throw new InvalidOperationException("内部エラー: 型が一致しません(メソッド");
var methods = QueryCandidateMethods(filter);
var arguments = GetCTSTypedArguments(methodAndArgsTuple.Arguments).ToArray();
List<MethodInfo> foundMethods = new List<MethodInfo>();
foreach (var m in methods)
{
if (m.Name == methodAndArgsTuple.MethodName.Value)
{
var param = m.GetParameters();
if(param.Length == arguments.Length)
{
bool succ = true;
for(int i = 0; i < param.Length; i++)
{
if(!param[i].ParameterType.Equals(arguments[i].GetType()))
{
succ = false;
break;
}
}
if(succ)
{
// 見つかりました
return CreateFilterInstance(filter, m, arguments);
}
}
foundMethods.Add(m);
}
}
if (terminal)
{
if (foundMethods.Count > 0)
{
throw new ArgumentException(
"指定のオーバーロードを持つメソッド " + methodAndArgsTuple.MethodName.Value + " は、フィルタ " + filterInfo + " には見つかりませんでした。" + Environment.NewLine +
"フィルタ " + filterInfo + " が実装するメソッド:" + Environment.NewLine +
" - " + String.Join(Environment.NewLine + " - ", from m in methods
select m.Name + "(" +
String.Join(", ", (from p in m.GetParameters()
select p.ParameterType.ToString())) + ")"));
}
else
{
throw new ArgumentException(
"メソッド \"" + methodAndArgsTuple.MethodName.Value + "\"は、フィルタ " + filterInfo + " には見つかりませんでした。" + Environment.NewLine +
"フィルタ " + filterInfo + " が実装するメソッド:" + Environment.NewLine +
" - " + String.Join(Environment.NewLine + " - ", methods.Select(m => m.Name).Distinct()));
}
}
else
{
return null;
}
}
private static MethodAndArgsTuple MakeMethodAndArgs(ref TokenReader reader)
{
var mname = AssertNext(ref reader, Token.TokenType.Literal);
if (TryLookAhead(ref reader, Token.TokenType.OpenBracket))
{
// 引数付きメソッド呼び出し
var ret = new MethodAndArgsTuple()
{
MethodName = mname,
Arguments = MakeArguments(ref reader)
};
AssertNext(ref reader, Token.TokenType.CloseBracket);
return ret;
}
else
{
// 引数を省略したメソッド呼び出し
return new MethodAndArgsTuple() { MethodName = mname };
}
}
