private void ProcessExtCall(ScriptBuilder sb)
{
if (Arguments.Length != 1)
{
throw new CompilerException(LineNumber, ERR_INCORRECT_NUMBER);
}
if (Arguments[0].IsString())
{
var extCall = Arguments[0].AsString();
if (string.IsNullOrEmpty(extCall))
{
throw new CompilerException(LineNumber, ERR_INVALID_ARGUMENT);
}
sb.EmitExtCall(extCall);
}
else
if (Arguments[0].IsRegister())
{
var reg = Arguments[0].AsRegister();
sb.Emit(Opcode.EXTCALL, new byte[] { reg });
}
else
{
throw new CompilerException(LineNumber, ERR_INVALID_ARGUMENT);
}
}
