/// <summary>
/// Invokes a export function from a given script.
/// </summary>
/// <param name="symbol">Symbol of function to call.</param>
/// <param name="toThread">Thread to call function.</param>
/// <param name="fromThread">Thread to call function from.</param>
/// <returns>Memory index of new array.</returns>
public void InvokeExportFunction(FunctionSymbol symbol, ScriptThread toThread, ScriptThread fromThread)
{
// Can't invoke functions if debugging :S.
if (_debugger != null && _debugger.AllowInvokedFunctions == false && toThread == this)
return;
// Find the functions parameter types.
DataTypeValue[] parameterTypes = new DataTypeValue[symbol.ParameterCount];
for (int i = 0; i < symbol.ParameterCount; i++)
parameterTypes[i] = ((VariableSymbol)symbol.Symbols[i]).DataType;
// Push any parameters we have been given.
for (int i = 0; i < parameterTypes.Length; i++)
{
RuntimeValue parameter = fromThread._runtimeStack[(fromThread._runtimeStack.TopIndex - parameterTypes.Length) + i];
parameter.DataType = parameterTypes[i];
if (parameterTypes[i].IsArray == true)
toThread.PassParameterArray(CopyValueArrayFromThread(parameter, toThread, fromThread));
else
toThread.PassParameter(CopyValueFromThread(parameter, toThread, fromThread));
}
// Call the function.
toThread.InvokeFunction(symbol.Identifier, true, true);
// Copy the return register.
fromThread._registers[(int)Register.Return].DataType = symbol.ReturnType;
if (symbol.ReturnType.IsArray == true)
SetMemoryIndexValue(fromThread._registers[(int)Register.Return], CopyValueArrayFromThread(toThread._registers[(int)Register.Return], fromThread, toThread));
else
fromThread._registers[(int)Register.Return] = CopyValueFromThread(toThread._registers[(int)Register.Return], fromThread, toThread);
}
/// <summary>
/// Creates a new thread attached to the given function.
/// </summary>
/// <param name="symbol">The symbol of the function to execute from.</param>
private void SpawnThread(FunctionSymbol symbol)
{
ScriptThread thread = new ScriptThread(_process);
thread.InvokeFunction(symbol.Identifier, false, true);
}
/// <summary>
/// Creates a new thread and attaches it to this process.
/// </summary>
/// <param name="entryPoint">Entry point where the thread should start.</param>
/// <returns>New instance of ScriptThread.</returns>
public ScriptThread CreateThread(string functionIdent)
{
ScriptThread thread = new ScriptThread(this);
thread.InvokeFunction(functionIdent);
return thread;
}