/// <summary>
/// Call script function or skip with no error if function not exists.
/// </summary>
/// <returns>Execution error.</returns>
/// <param name="funcName">Function name.</param>
/// <param name="result">Result of function execution.</param>
/// <param name="param1">Optional parameter to function.</param>
/// <param name="param2">Optional parameter to function.</param>
/// <param name="param3">Optional parameter to function.</param>
/// <param name="param4">Optional parameter to function.</param>
public string CallFunctionOrSkip(string funcName, out ScriptVar result,
ScriptVar?param1 = null, ScriptVar?param2 = null,
ScriptVar?param3 = null, ScriptVar?param4 = null)
{
if (!_vm.IsFunctionExists(funcName))
{
result = new ScriptVar();
return(null);
}
return(_vm.CallFunction(funcName, out result, param1, param2, param3, param4));
}
/// <summary>
/// Call script function.
/// </summary>
/// <returns>Execution error.</returns>
/// <param name="funcName">Function name.</param>
/// <param name="result">Result of function execution.</param>
/// <param name="param1">Optional parameter to function.</param>
/// <param name="param2">Optional parameter to function.</param>
/// <param name="param3">Optional parameter to function.</param>
/// <param name="param4">Optional parameter to function.</param>
public string CallFunction(string funcName, out ScriptVar result,
ScriptVar?param1 = null, ScriptVar?param2 = null,
ScriptVar?param3 = null, ScriptVar?param4 = null)
{
var undef = new ScriptVar();
if (InFunctionCall)
{
result = undef;
return("already in function call");
}
if (!_parser.Vars.IsFunctionExists(funcName))
{
result = undef;
return(string.Format("function '{0}' not found", funcName));
}
InFunctionCall = true;
var func = _parser.Vars.GetFunction(funcName);
_scanner.PC = func.Pc;
_parser.Vars.ResetVars();
var id = 0;
var max = func.Params != null ? func.Params.Length : 0;
if (param1 != null && id < max)
{
_parser.Vars.RegisterVar(func.Params[id++], param1.Value);
}
if (param2 != null && id < max)
{
_parser.Vars.RegisterVar(func.Params[id++], param2.Value);
}
if (param3 != null && id < max)
{
_parser.Vars.RegisterVar(func.Params[id++], param3.Value);
}
if (param4 != null && id < max)
{
_parser.Vars.RegisterVar(func.Params[id++], param4.Value);
}
for (; id < max; id++)
{
_parser.Vars.RegisterVar(func.Params[id], undef);
}
var err = _parser.CallFunction();
result = _parser.RetVal;
InFunctionCall = false;
return(err);
}
/// <summary>
/// Call script function.
/// </summary>
/// <returns>Execution error.</returns>
/// <param name="funcName">Function name.</param>
/// <param name="result">Result of function execution.</param>
/// <param name="param1">Optional parameter to function.</param>
/// <param name="param2">Optional parameter to function.</param>
/// <param name="param3">Optional parameter to function.</param>
/// <param name="param4">Optional parameter to function.</param>
public string CallFunction(string funcName, out ScriptVar result,
ScriptVar?param1 = null, ScriptVar?param2 = null,
ScriptVar?param3 = null, ScriptVar?param4 = null)
{
return(_vm.CallFunction(funcName, out result, param1, param2, param3, param4));
}
/// <summary>
/// Create / update script variable with value.
/// </summary>
/// <param name="varName">Variable name.</param>
/// <param name="v">V.</param>
public void RegisterVar(string varName, ScriptVar v)
{
_vars[varName] = v;
}