public override ScriptVariableType Process(ScriptParser parser, int level)
{
base.Process(parser, level);
// check script if it has a function we can execute
if (parser.GetFunction(Name.Value, out ScriptFunction))
{
if (ScriptFunction.Parameters.Count < Parameters.Count)
{
parser.Errors.Add(new ErrorInfo(ErrorLevel.Error, ErrorCode.TooManyParameters, this));
}
else
{
ParamDefault = new bool[ScriptFunction.Parameters.Count];
for (int i = 0; i < ScriptFunction.Parameters.Count; i++)
{
if (Parameters.Count <= i || Parameters[i] == null)
{
if (ScriptFunction.Parameters[i].HasDefaultValue)
{
ParamDefault[i] = true;
}
else
{
parser.Errors.Add(new ErrorInfo(ErrorLevel.Error, ErrorCode.ParameterIsRequired, this, i, Name.Value));
}
}
else
{
ParamDefault[i] = false;
Parameters[i] = TypeCastExecutionNode.ImplicitCast(parser, level, ScriptFunction.Parameters[i].ParamType, Parameters[i]);
}
}
}
ResultType = (ScriptFunction.ReturnType == ScriptVariableType.Void) ? ScriptVariableType.Undefined : ScriptFunction.ReturnType;
return(ResultType);
}
// check environment if it has a function we can execute
if (parser.Script.Environment.GetFunction(Name.Value, out EnvironmentFunction))
{
ResultType = EnvironmentFunction.ReturnType;
ParameterInfo[] envFuncParams = EnvironmentFunction.Function.GetParameters();
FuncParamCount = envFuncParams.Length;
if (envFuncParams.Length < Parameters.Count)
{
parser.Errors.Add(new ErrorInfo(ErrorLevel.Error, ErrorCode.TooManyParameters, this));
}
else
{
for (int i = 1, j = 0; i < envFuncParams.Length; i++, j++)
{
if (Parameters.Count <= j || Parameters[j] == null)
{
parser.Errors.Add(new ErrorInfo(ErrorLevel.Error, ErrorCode.ParameterIsRequired, this, j, Name.Value));
}
else
{
if (!envFuncParams[i].ParameterType.Equals(typeof(object)))
{
Parameters[j] = TypeCastExecutionNode.ImplicitCast(parser, level, ScriptVariableTypeExtension.GetScriptVariableTypeFromType(envFuncParams[i].ParameterType), Parameters[j]);
}
else
{
Parameters[j].Process(parser, level);
}
}
}
}
return(ResultType);
}
parser.Errors.Add(new ErrorInfo(ErrorLevel.CriticalError, ErrorCode.FunctionNotFound, this, Name.Value));
throw new ScriptCriticalErrorException();
}