Parameter.fromToken constructor

Parameter.fromToken(Scope scope, int token)

Creates a parameter object from a provided token.

Implementation

factory Parameter.fromToken(Scope scope, int token) => using((Arena arena) {
      final ptkMethodDef = arena<mdMethodDef>();
      final pulSequence = arena<ULONG>();
      final szName = arena<WCHAR>(MAX_STRING_SIZE).cast<Utf16>();
      final pchName = arena<ULONG>();
      final pdwAttr = arena<DWORD>();
      final pdwCPlusTypeFlag = arena<DWORD>();
      final ppValue = arena<UVCP_CONSTANT>();
      final pcchValue = arena<ULONG>();

      final reader = scope.reader;
      final hr = reader.GetParamProps(
          token,
          ptkMethodDef,
          pulSequence,
          szName,
          MAX_STRING_SIZE,
          pchName,
          pdwAttr,
          pdwCPlusTypeFlag,
          ppValue,
          pcchValue);
      if (SUCCEEDED(hr)) {
        return Parameter(
            scope,
            token,
            ptkMethodDef.value,
            pulSequence.value,
            pdwAttr.value,
            TypeIdentifier.fromValue(pdwCPlusTypeFlag.value),
            szName.toDartString(),
            ppValue.value.asTypedList(pcchValue.value));
      } else {
        throw WindowsException(hr);
      }
    });