/// <summary>Clears all function definitions in the context</summary>
protected virtual void ClearFunctions()
{
ValFuncs.Clear();
ValFuncRef.Clear();
// derived classes: add definitions here
}
/// <summary>Adds a parameterized function to the context</summary>
/// <typeparam name="T1">The type of the first argument</typeparam>
/// <typeparam name="T2">The type of the second argument</typeparam>
/// <typeparam name="T3">The type of the third argument</typeparam>
/// <typeparam name="T4">The type of the fourth argument</typeparam>
/// <typeparam name="T5">The type of the fifth argument</typeparam>
/// <typeparam name="T6">The type of the sixth argument</typeparam>
/// <typeparam name="T7">The type of the seventh argument</typeparam>
/// <typeparam name="T8">The type of the eighth argument</typeparam>
/// <typeparam name="T9">The type of the ninth argument</typeparam>
/// <typeparam name="T10">The type of the tenth argument</typeparam>
/// <typeparam name="T11">The type of the eleventh argument</typeparam>
/// <typeparam name="T12">The type of the twelfth argument</typeparam>
/// <typeparam name="T13">The type of the thirteenth argument</typeparam>
/// <typeparam name="T14">The type of the fourteenth argument</typeparam>
/// <typeparam name="T15">The type of the fifteenth argument</typeparam>
/// <param name="name">The function name</param>
/// <param name="fn">The function delegate</param>
protected void AddFunc <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15>(string name, FunctionDelegate <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15> fn)
{
ValFuncs.Add(new Pair <string, int>(name, 15), new ValFunc <T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15>(fn)); if (!ValFuncRef.Contains(name))
{
ValFuncRef.Add(name);
}
}
/// <summary>Adds a parameterized function to the context</summary>
/// <typeparam name="T1">The type of the first argument</typeparam>
/// <typeparam name="T2">The type of the second argument</typeparam>
/// <typeparam name="T3">The type of the third argument</typeparam>
/// <typeparam name="T4">The type of the fourth argument</typeparam>
/// <typeparam name="T5">The type of the fifth argument</typeparam>
/// <typeparam name="T6">The type of the sixth argument</typeparam>
/// <typeparam name="T7">The type of the seventh argument</typeparam>
/// <param name="name">The function name</param>
/// <param name="fn">The function delegate</param>
protected void AddFunc <T1, T2, T3, T4, T5, T6, T7>(string name, FunctionDelegate <T1, T2, T3, T4, T5, T6, T7> fn)
{
ValFuncs.Add(new Pair <string, int>(name, 7), new ValFunc <T1, T2, T3, T4, T5, T6, T7>(fn)); if (!ValFuncRef.Contains(name))
{
ValFuncRef.Add(name);
}
}
/// <summary>Adds a parameterized function to the context</summary>
/// <typeparam name="T1">The type of the first argument</typeparam>
/// <param name="name">The function name</param>
/// <param name="fn">The function delegate</param>
protected void AddFunc <T1>(string name, FunctionDelegate <T1> fn)
{
ValFuncs.Add(new Pair <string, int>(name, 1), new ValFunc <T1>(fn)); if (!ValFuncRef.Contains(name))
{
ValFuncRef.Add(name);
}
}
/// <summary>Adds a function that accepts a dynamic number of parameters to the context</summary>
/// <param name="name">The function name</param>
/// <param name="fn">The function delegate</param>
protected void AddDynamicFunc(string name, FunctionDelegateParam fn)
{
ValFuncs.Add(new Pair <string, int>(name, -1), new ValFunc_Dynamic(fn)); if (!ValFuncRef.Contains(name))
{
ValFuncRef.Add(name);
}
}
/// <summary>Performs evaluation of a function</summary>
/// <param name="caller">The tracking object calling the function</param>
/// <param name="name">The function name</param>
/// <param name="param">The function parameters</param>
/// <returns></returns>
public Val RunFunction(ITracker caller, string name, Val[] param)
{
IValFunc vfs = ValFuncs.Get(new Pair <string, int>(name, param.Length));
if (vfs == null)
{
if (ValFuncRef.Contains(name))
{
vfs = ValFuncs.Get(new Pair <string, int>(name, -1)); // Val[]
if (vfs == null)
{
throw new EvalException(caller, Resource.Strings.Error_EvalException_IncorrectParameters.F(name));
}
}
else
{
throw new EvalException(caller, Resource.Strings.Error_EvalException_FunctionNotFound.F(name));
}
}
return(vfs.Execute(caller, name, this, param));
}
/// <summary>Retrieves a function from the function list</summary>
/// <param name="name">The function name</param>
/// <param name="argnum">The number of arguments for the function</param>
/// <returns></returns>
public object GetFunction(string name, int argnum)
{
return(ValFuncs.Get(new Pair <string, int>(name, argnum)));
}
