gd/packet/parser/test/test_packets.pdl

little_endian_packets

custom_field SixBytes : 48 "packet/parser/test/"
custom_field Variable "packet/parser/test/"

packet Parent {
  _fixed_ = 0x12 : 8,
  _size_(_payload_) : 8,
  _payload_,
  footer : 8,
}

packet Child : Parent {
  field_name : 16,
}

enum FourBits : 4 {
  ONE = 1,
  TWO = 2,
  THREE = 3,
  FIVE = 5,
  TEN = 10,
  LAZY_ME = 15,
}

packet ParentTwo {
  _reserved_ : 4,
  four_bits : FourBits,
  _payload_,
}

packet ChildTwoThree : ParentTwo (four_bits = THREE) {
  more_bits : FourBits,
  _reserved_ : 4,
  sixteen_bits : 16
}

packet ChildTwoTwo : ParentTwo (four_bits = TWO) {
  more_bits : FourBits,
  _reserved_ : 4,
}

packet ChildTwoTwoThree :ChildTwoTwo (more_bits = THREE) {
}

enum TwoBits : 2 {
  ZERO = 0,
  ONE = 1,
  TWO = 2,
  THREE = 3,
}

packet MiddleFourBits {
  low_two : TwoBits,
  next_four : FourBits,
  straddle : FourBits,
  four_more : FourBits,
  high_two : TwoBits,
}

packet ParentWithSixBytes {
  two_bytes : 16,
  six_bytes : SixBytes,
  _payload_,
}

packet ChildWithSixBytes : ParentWithSixBytes (two_bytes = 0x1234) {
  child_six_bytes : SixBytes,
}

checksum SimpleSum : 16 "packet/parser/test/"

packet ParentWithSum {
  two_bytes : 16,
  _checksum_start_(example_checksum),
  sum_bytes : 16,
  _payload_,
  example_checksum : SimpleSum,
}

packet ChildWithSum : ParentWithSum {
  more_bytes : 32,
  another_byte : 8,
}

packet ChildWithNestedSum : ParentWithSum {
  _checksum_start_(nested_checksum),
  more_bytes : 32,
  nested_checksum : SimpleSum,
}

packet ParentSizeModifier {
  _size_(_payload_) : 8,
  _payload_ : [+2*8], // Include two_bytes in the size
  two_bytes : 16,
}

packet ChildSizeModifier : ParentSizeModifier (two_bytes = 0x1211) {
  more_bytes : 32,
}

packet FieldsEndWithNumbers {
  field_1 : 16,
  field_2 : 16,
  field_10 : 16,
  field_11 : 16,
}

enum ForArrays : 16 {
  ONE = 0x0001,
  TWO = 0x0002,
  ONE_TWO = 0x0201,
  TWO_THREE = 0x0302,
  FFFF = 0xffff,
}

packet FixedArrayEnum {
  enum_array : ForArrays[5],
}

packet SizedArrayEnum {
  _size_(enum_array) : 16,
  enum_array : ForArrays[],
}

packet CountArrayEnum {
  _count_(enum_array) : 8,
  enum_array : ForArrays[],
}

packet SizedArrayCustom {
  _size_(six_bytes_array) : 8,
  an_extra_byte : 8,
  six_bytes_array : SixBytes[+1*8],
}

packet FixedArrayCustom {
  six_bytes_array : SixBytes[5],
}

packet CountArrayCustom {
  _count_(six_bytes_array) : 8,
  six_bytes_array : SixBytes[],
}

packet PacketWithFixedArraysOfBytes {
  fixed_256bit_in_bytes : 8[32],
  fixed_256bit_in_words : 32[8],
}

packet OneVariable {
  one : Variable,
}

packet SizedArrayVariable {
  _size_(variable_array) : 8,
  variable_array : Variable[],
}

packet FixedArrayVariable {
  variable_array : Variable[5],
}

packet CountArrayVariable {
  _count_(variable_array) : 8,
  variable_array : Variable[],
}

struct TwoRelatedNumbers {
  id : 8,
  count : 16,
}

packet OneStruct {
  one : TwoRelatedNumbers,
}

packet TwoStructs {
  one : TwoRelatedNumbers,
  two : TwoRelatedNumbers,
}

packet VectorOfStruct {
  _count_(array) : 8,
  array : TwoRelatedNumbers[],
}

packet ArrayOfStruct {
  the_count : 8,
  array : TwoRelatedNumbers[4],
}

struct StructWithFixedTypes {
  four_bits : FourBits,
  _reserved_ : 4,
  _checksum_start_(example_checksum),
  _fixed_ = 0xf3 : 8,
  id : 8,
  array : 8[3],
  example_checksum : SimpleSum,
  six_bytes : SixBytes,
}

packet OneFixedTypesStruct {
  one : StructWithFixedTypes,
}

packet ArrayOfStructAndAnother {
  _count_(array) : 8,
  array : TwoRelatedNumbers[],
  another : TwoRelatedNumbers,
}

packet SizedArrayOfStructAndAnother {
  _size_(array) : 8,
  array : TwoRelatedNumbers[],
  another : TwoRelatedNumbers,
}

struct ArrayOfStructAndAnotherStruct {
  _count_(array) : 8,
  array : TwoRelatedNumbers[],
  another : TwoRelatedNumbers,
}

struct SizedArrayOfStructAndAnotherStruct {
  _size_(array) : 8,
  array : TwoRelatedNumbers[],
  another : TwoRelatedNumbers,
}

packet OneArrayOfStructAndAnotherStruct {
  one : ArrayOfStructAndAnotherStruct,
}

packet OneSizedArrayOfStructAndAnotherStruct {
  one : SizedArrayOfStructAndAnotherStruct,
}

group BitFieldGroup {
  seven_bits : 7,
  straddle : 4,
  five_bits : 5,
}

packet BitFieldGroupPacket {
  BitFieldGroup,
}

packet BitFieldGroupAfterPayloadPacket {
  _payload_,
  BitFieldGroup,
}

packet BitFieldGroupAfterUnsizedArrayPacket : BitFieldGroupAfterPayloadPacket {
  array : 8[],
}

struct BitField {
  seven_bits : 7,
  straddle : 4,
  five_bits : 5,
}

packet BitFieldPacket {
  bit_field : BitField,
}

packet BitFieldAfterPayloadPacket {
  _payload_,
  bit_field : BitField,
}

packet BitFieldAfterUnsizedArrayPacket : BitFieldAfterPayloadPacket {
  array : 8[],
}

packet BitFieldArrayPacket {
  _size_(array): 8,
  array : BitField[],
}

struct VersionlessStruct {
  one_number : 8,
}

packet OneVersionlessStructPacket {
  versionless : VersionlessStruct,
  _payload_,
}

packet OneVersionedStructPacket : OneVersionlessStructPacket {
  version : 8,
  _payload_,
}

packet OneVersionOneStructPacket : OneVersionedStructPacket(version = 0x01) {
  just_one_number : 8,
}

packet OneVersionTwoStructPacket : OneVersionedStructPacket(version = 0x02) {
  one_number : 8,
  another_number : 8,
}

enum StructType : 8 {
  ZERO_BYTE = 0x00,
  TWO_BYTE = 0x02,
  FOUR_BYTE = 0x04,
  AT_LEAST_FOUR_BYTE = 0x05,
  VARIABLE = 0x06,
}

struct UnusedParentStruct {
  struct_type : StructType,
  _body_,
}

struct TwoByteStruct : UnusedParentStruct (struct_type = TWO_BYTE) {
  two_bytes : 16,
}

struct FourByteStruct : UnusedParentStruct (struct_type = FOUR_BYTE) {
  four_bytes : 32,
}

struct AtLeastFourByteStruct : UnusedParentStruct (struct_type = AT_LEAST_FOUR_BYTE) {
  four_bytes : 32,
  struct_type : StructType,
  _body_,
}

struct OnlyFourByteStruct : AtLeastFourByteStruct (struct_type = ZERO_BYTE) {
}

struct SixByteStruct : AtLeastFourByteStruct (struct_type = TWO_BYTE) {
  two_bytes : 16,
}

struct EightByteStruct : AtLeastFourByteStruct (struct_type = FOUR_BYTE) {
  four_bytes : 32,
}

packet OneFourByteStruct {
  one_struct : FourByteStruct,
}

packet OneGenericStruct {
  base_struct : UnusedParentStruct,
}

packet OneGenericStructArray {
  an_array : UnusedParentStruct[],
}

packet OneGenericStructFourArray {
  an_array : UnusedParentStruct[4],
}

packet ParentWithOnlyFixed {
  two_bytes : 16,
  _body_,
}

packet OneGenericStructArrayAfterFixed : ParentWithOnlyFixed {
  an_array : UnusedParentStruct[],
}

enum DataType : 8 {
  ONE = 0x01,
  TWO = 0x02,
  THREE = 0x03,
  FOUR = 0x04,
  FIVE = 0x05,
  UNUSED = 0x06,
}

struct LengthTypeValueStruct {
  _size_(value) : 16,
  type : DataType,
  value : 8[+1*8],
}

packet OneLengthTypeValueStruct {
  one_array : LengthTypeValueStruct[],
}

packet SizedParent {
  _size_(payload) : 8,
  _payload_,
}

packet OneLengthTypeValueStructPadded : SizedParent {
  valid_bytes : 8,
  one_array : LengthTypeValueStruct[],
  _padding_[30],
  after_padding : 8,
}

packet ByteSizedFields {
  one : 8,
  two : 16,
  three : 24,
  four : 32,
  five : 40,
  six : 48,
  seven : 56,
  eight : 64,
}

enum StructTypeNoZero : 4 {
  TWO_BYTE = 0x02,
  FOUR_BYTE = 0x04,
  AT_LEAST_FOUR_BYTE = 0x05,
}

struct UnusedParentStructNoZero {
  struct_type : StructTypeNoZero,
  _reserved_ : 4,
  length : 8,
  _body_,
}

struct TwoByteStructNoZero : UnusedParentStructNoZero (struct_type = TWO_BYTE, length = 2) {
  two_bytes : 16,
}

struct FourByteStructNoZero : UnusedParentStructNoZero (struct_type = FOUR_BYTE, length = 4) {
  four_bytes : 32,
}

struct AtLeastFourByteStructNoZero : UnusedParentStructNoZero (struct_type = AT_LEAST_FOUR_BYTE) {
  four_bytes : 32,
  struct_type : StructTypeNoZero,
  _body_,
}

struct EightByteStructNoZero : AtLeastFourByteStructNoZero (struct_type = FOUR_BYTE, length = 9) {
  four_bytes : 32,
}

packet OneGenericStructArrayNoZero {
  an_array : UnusedParentStructNoZero[],
}