private IEnumerable <Parselet> FunctionText(Token <R> token)
{
var name = token.Value;
var group = RantFunctions.GetFunctionGroup(name);
if (group == null)
{
compiler.SyntaxError(token, $"Unknown function: '{name}'");
}
if (reader.TakeLoose(R.Colon))
{
foreach (var parselet in FuncArgs(token, group))
{
yield return(parselet);
}
}
else
{
var end = reader.Read(R.RightSquare);
AddToOutput(new RAFunction(Stringe.Range(token, end), compiler.GetFunctionInfo(group, 0, token, end), new List <RantAction>()));
}
}
/// <summary> /// Returns the description for the function with the specified name. /// </summary> /// <param name="functionName">The name of the function to get the description for.</param> /// <param name="argc">The number of arguments in the overload to get the description for.</param> /// <returns></returns> public static string GetFunctionDescription(string functionName, int argc) => RantFunctions.GetFunctionDescription(functionName, argc);
/// <summary> /// Enumerates the aliases assigned to the specified function name. /// </summary> /// <param name="functionName">The function name to retrieve aliases for.</param> /// <returns></returns> public static IEnumerable <string> GetFunctionAliases(string functionName) => RantFunctions.GetAliases(functionName);
/// <summary> /// Enumerates the available functions. /// </summary> /// <returns></returns> public static IEnumerable <IRantFunctionGroup> GetFunctions() => RantFunctions.GetFunctions();
/// <summary> /// Enumerates all function names and their aliases. /// </summary> /// <returns></returns> public static IEnumerable <string> GetFunctionNamesAndAliases() => RantFunctions.GetFunctionNamesAndAliases();
/// <summary> /// Returns the function with the specified name. The return value will be null if the function is not found. /// </summary> /// <param name="functionName">The name of the function to retrieve.</param> /// <returns></returns> public static IRantFunctionGroup GetFunction(string functionName) => RantFunctions.GetFunctionGroup(functionName);
/// <summary>
/// Determines whether a function with the specified name is defined in the current engine version.
/// </summary>
/// <param name="functionName">The name of the function to search for. Argument is not case-sensitive.</param>
/// <returns></returns>
public static bool FunctionExists(string functionName)
{
return(RantFunctions.FunctionExists(functionName));
}
static RantEngine()
{
RantFunctions.Load();
RichardFunctions.Load();
Engine.Compiler.Parselets.Parselet.Load();
}
