[Go] Object API support (#5339)

* start

* works for current usages!

* unpack: vector of struct

* optimize byte slice

* support nested struct

* support null table

* support struct

* support union

* update generated code

* grumble

* fix compiler warning

* update generated code

* wrap type in namespace

* bug

* wrap in namespace

* enum byte arrays

* generate struct for unions

* basic testing

* remove branching

* fix assert

* pack vector of fixed structs correctly

* omit null vectors

* Refactor Union Pack and UnPack methods

Remove append usage to increase code efficiency when dealing with large vectors

* generate goldens
This commit is contained in:
iceboy
2019-10-31 11:13:45 -07:00
committed by Wouter van Oortmerssen
parent 521e255ad9
commit 32254b7acd
16 changed files with 1160 additions and 9 deletions

View File

@@ -9,6 +9,424 @@ import (
)
/// an example documentation comment: monster object
type MonsterT struct {
Pos *Vec3T
Mana int16
Hp int16
Name string
Inventory []byte
Color Color
Test *AnyT
Test4 []*TestT
Testarrayofstring []string
Testarrayoftables []*MonsterT
Enemy *MonsterT
Testnestedflatbuffer []byte
Testempty *StatT
Testbool bool
Testhashs32Fnv1 int32
Testhashu32Fnv1 uint32
Testhashs64Fnv1 int64
Testhashu64Fnv1 uint64
Testhashs32Fnv1a int32
Testhashu32Fnv1a uint32
Testhashs64Fnv1a int64
Testhashu64Fnv1a uint64
Testarrayofbools []bool
Testf float32
Testf2 float32
Testf3 float32
Testarrayofstring2 []string
Testarrayofsortedstruct []*AbilityT
Flex []byte
Test5 []*TestT
VectorOfLongs []int64
VectorOfDoubles []float64
ParentNamespaceTest *MyGame.InParentNamespaceT
VectorOfReferrables []*ReferrableT
SingleWeakReference uint64
VectorOfWeakReferences []uint64
VectorOfStrongReferrables []*ReferrableT
CoOwningReference uint64
VectorOfCoOwningReferences []uint64
NonOwningReference uint64
VectorOfNonOwningReferences []uint64
AnyUnique *AnyUniqueAliasesT
AnyAmbiguous *AnyAmbiguousAliasesT
VectorOfEnums []Color
SignedEnum Race
}
func MonsterPack(builder *flatbuffers.Builder, t *MonsterT) flatbuffers.UOffsetT {
if t == nil { return 0 }
nameOffset := builder.CreateString(t.Name)
inventoryOffset := flatbuffers.UOffsetT(0)
if t.Inventory != nil {
inventoryOffset = builder.CreateByteString(t.Inventory)
}
testOffset := AnyPack(builder, t.Test)
test4Offset := flatbuffers.UOffsetT(0)
if t.Test4 != nil {
test4Length := len(t.Test4)
MonsterStartTest4Vector(builder, test4Length)
for j := test4Length - 1; j >= 0; j-- {
TestPack(builder, t.Test4[j])
}
test4Offset = builder.EndVector(test4Length)
}
testarrayofstringOffset := flatbuffers.UOffsetT(0)
if t.Testarrayofstring != nil {
testarrayofstringLength := len(t.Testarrayofstring)
testarrayofstringOffsets := make([]flatbuffers.UOffsetT, testarrayofstringLength)
for j := 0; j < testarrayofstringLength; j++ {
testarrayofstringOffsets[j] = builder.CreateString(t.Testarrayofstring[j])
}
MonsterStartTestarrayofstringVector(builder, testarrayofstringLength)
for j := testarrayofstringLength - 1; j >= 0; j-- {
builder.PrependUOffsetT(testarrayofstringOffsets[j])
}
testarrayofstringOffset = builder.EndVector(testarrayofstringLength)
}
testarrayoftablesOffset := flatbuffers.UOffsetT(0)
if t.Testarrayoftables != nil {
testarrayoftablesLength := len(t.Testarrayoftables)
testarrayoftablesOffsets := make([]flatbuffers.UOffsetT, testarrayoftablesLength)
for j := 0; j < testarrayoftablesLength; j++ {
testarrayoftablesOffsets[j] = MonsterPack(builder, t.Testarrayoftables[j])
}
MonsterStartTestarrayoftablesVector(builder, testarrayoftablesLength)
for j := testarrayoftablesLength - 1; j >= 0; j-- {
builder.PrependUOffsetT(testarrayoftablesOffsets[j])
}
testarrayoftablesOffset = builder.EndVector(testarrayoftablesLength)
}
enemyOffset := MonsterPack(builder, t.Enemy)
testnestedflatbufferOffset := flatbuffers.UOffsetT(0)
if t.Testnestedflatbuffer != nil {
testnestedflatbufferOffset = builder.CreateByteString(t.Testnestedflatbuffer)
}
testemptyOffset := StatPack(builder, t.Testempty)
testarrayofboolsOffset := flatbuffers.UOffsetT(0)
if t.Testarrayofbools != nil {
testarrayofboolsLength := len(t.Testarrayofbools)
MonsterStartTestarrayofboolsVector(builder, testarrayofboolsLength)
for j := testarrayofboolsLength - 1; j >= 0; j-- {
builder.PrependBool(t.Testarrayofbools[j])
}
testarrayofboolsOffset = builder.EndVector(testarrayofboolsLength)
}
testarrayofstring2Offset := flatbuffers.UOffsetT(0)
if t.Testarrayofstring2 != nil {
testarrayofstring2Length := len(t.Testarrayofstring2)
testarrayofstring2Offsets := make([]flatbuffers.UOffsetT, testarrayofstring2Length)
for j := 0; j < testarrayofstring2Length; j++ {
testarrayofstring2Offsets[j] = builder.CreateString(t.Testarrayofstring2[j])
}
MonsterStartTestarrayofstring2Vector(builder, testarrayofstring2Length)
for j := testarrayofstring2Length - 1; j >= 0; j-- {
builder.PrependUOffsetT(testarrayofstring2Offsets[j])
}
testarrayofstring2Offset = builder.EndVector(testarrayofstring2Length)
}
testarrayofsortedstructOffset := flatbuffers.UOffsetT(0)
if t.Testarrayofsortedstruct != nil {
testarrayofsortedstructLength := len(t.Testarrayofsortedstruct)
MonsterStartTestarrayofsortedstructVector(builder, testarrayofsortedstructLength)
for j := testarrayofsortedstructLength - 1; j >= 0; j-- {
AbilityPack(builder, t.Testarrayofsortedstruct[j])
}
testarrayofsortedstructOffset = builder.EndVector(testarrayofsortedstructLength)
}
flexOffset := flatbuffers.UOffsetT(0)
if t.Flex != nil {
flexOffset = builder.CreateByteString(t.Flex)
}
test5Offset := flatbuffers.UOffsetT(0)
if t.Test5 != nil {
test5Length := len(t.Test5)
MonsterStartTest5Vector(builder, test5Length)
for j := test5Length - 1; j >= 0; j-- {
TestPack(builder, t.Test5[j])
}
test5Offset = builder.EndVector(test5Length)
}
vectorOfLongsOffset := flatbuffers.UOffsetT(0)
if t.VectorOfLongs != nil {
vectorOfLongsLength := len(t.VectorOfLongs)
MonsterStartVectorOfLongsVector(builder, vectorOfLongsLength)
for j := vectorOfLongsLength - 1; j >= 0; j-- {
builder.PrependInt64(t.VectorOfLongs[j])
}
vectorOfLongsOffset = builder.EndVector(vectorOfLongsLength)
}
vectorOfDoublesOffset := flatbuffers.UOffsetT(0)
if t.VectorOfDoubles != nil {
vectorOfDoublesLength := len(t.VectorOfDoubles)
MonsterStartVectorOfDoublesVector(builder, vectorOfDoublesLength)
for j := vectorOfDoublesLength - 1; j >= 0; j-- {
builder.PrependFloat64(t.VectorOfDoubles[j])
}
vectorOfDoublesOffset = builder.EndVector(vectorOfDoublesLength)
}
parentNamespaceTestOffset := MyGame.InParentNamespacePack(builder, t.ParentNamespaceTest)
vectorOfReferrablesOffset := flatbuffers.UOffsetT(0)
if t.VectorOfReferrables != nil {
vectorOfReferrablesLength := len(t.VectorOfReferrables)
vectorOfReferrablesOffsets := make([]flatbuffers.UOffsetT, vectorOfReferrablesLength)
for j := 0; j < vectorOfReferrablesLength; j++ {
vectorOfReferrablesOffsets[j] = ReferrablePack(builder, t.VectorOfReferrables[j])
}
MonsterStartVectorOfReferrablesVector(builder, vectorOfReferrablesLength)
for j := vectorOfReferrablesLength - 1; j >= 0; j-- {
builder.PrependUOffsetT(vectorOfReferrablesOffsets[j])
}
vectorOfReferrablesOffset = builder.EndVector(vectorOfReferrablesLength)
}
vectorOfWeakReferencesOffset := flatbuffers.UOffsetT(0)
if t.VectorOfWeakReferences != nil {
vectorOfWeakReferencesLength := len(t.VectorOfWeakReferences)
MonsterStartVectorOfWeakReferencesVector(builder, vectorOfWeakReferencesLength)
for j := vectorOfWeakReferencesLength - 1; j >= 0; j-- {
builder.PrependUint64(t.VectorOfWeakReferences[j])
}
vectorOfWeakReferencesOffset = builder.EndVector(vectorOfWeakReferencesLength)
}
vectorOfStrongReferrablesOffset := flatbuffers.UOffsetT(0)
if t.VectorOfStrongReferrables != nil {
vectorOfStrongReferrablesLength := len(t.VectorOfStrongReferrables)
vectorOfStrongReferrablesOffsets := make([]flatbuffers.UOffsetT, vectorOfStrongReferrablesLength)
for j := 0; j < vectorOfStrongReferrablesLength; j++ {
vectorOfStrongReferrablesOffsets[j] = ReferrablePack(builder, t.VectorOfStrongReferrables[j])
}
MonsterStartVectorOfStrongReferrablesVector(builder, vectorOfStrongReferrablesLength)
for j := vectorOfStrongReferrablesLength - 1; j >= 0; j-- {
builder.PrependUOffsetT(vectorOfStrongReferrablesOffsets[j])
}
vectorOfStrongReferrablesOffset = builder.EndVector(vectorOfStrongReferrablesLength)
}
vectorOfCoOwningReferencesOffset := flatbuffers.UOffsetT(0)
if t.VectorOfCoOwningReferences != nil {
vectorOfCoOwningReferencesLength := len(t.VectorOfCoOwningReferences)
MonsterStartVectorOfCoOwningReferencesVector(builder, vectorOfCoOwningReferencesLength)
for j := vectorOfCoOwningReferencesLength - 1; j >= 0; j-- {
builder.PrependUint64(t.VectorOfCoOwningReferences[j])
}
vectorOfCoOwningReferencesOffset = builder.EndVector(vectorOfCoOwningReferencesLength)
}
vectorOfNonOwningReferencesOffset := flatbuffers.UOffsetT(0)
if t.VectorOfNonOwningReferences != nil {
vectorOfNonOwningReferencesLength := len(t.VectorOfNonOwningReferences)
MonsterStartVectorOfNonOwningReferencesVector(builder, vectorOfNonOwningReferencesLength)
for j := vectorOfNonOwningReferencesLength - 1; j >= 0; j-- {
builder.PrependUint64(t.VectorOfNonOwningReferences[j])
}
vectorOfNonOwningReferencesOffset = builder.EndVector(vectorOfNonOwningReferencesLength)
}
anyUniqueOffset := AnyUniqueAliasesPack(builder, t.AnyUnique)
anyAmbiguousOffset := AnyAmbiguousAliasesPack(builder, t.AnyAmbiguous)
vectorOfEnumsOffset := flatbuffers.UOffsetT(0)
if t.VectorOfEnums != nil {
vectorOfEnumsLength := len(t.VectorOfEnums)
MonsterStartVectorOfEnumsVector(builder, vectorOfEnumsLength)
for j := vectorOfEnumsLength - 1; j >= 0; j-- {
builder.PrependByte(byte(t.VectorOfEnums[j]))
}
vectorOfEnumsOffset = builder.EndVector(vectorOfEnumsLength)
}
MonsterStart(builder)
posOffset := Vec3Pack(builder, t.Pos)
MonsterAddPos(builder, posOffset)
MonsterAddMana(builder, t.Mana)
MonsterAddHp(builder, t.Hp)
MonsterAddName(builder, nameOffset)
MonsterAddInventory(builder, inventoryOffset)
MonsterAddColor(builder, t.Color)
if t.Test != nil {
MonsterAddTestType(builder, t.Test.Type)
}
MonsterAddTest(builder, testOffset)
MonsterAddTest4(builder, test4Offset)
MonsterAddTestarrayofstring(builder, testarrayofstringOffset)
MonsterAddTestarrayoftables(builder, testarrayoftablesOffset)
MonsterAddEnemy(builder, enemyOffset)
MonsterAddTestnestedflatbuffer(builder, testnestedflatbufferOffset)
MonsterAddTestempty(builder, testemptyOffset)
MonsterAddTestbool(builder, t.Testbool)
MonsterAddTesthashs32Fnv1(builder, t.Testhashs32Fnv1)
MonsterAddTesthashu32Fnv1(builder, t.Testhashu32Fnv1)
MonsterAddTesthashs64Fnv1(builder, t.Testhashs64Fnv1)
MonsterAddTesthashu64Fnv1(builder, t.Testhashu64Fnv1)
MonsterAddTesthashs32Fnv1a(builder, t.Testhashs32Fnv1a)
MonsterAddTesthashu32Fnv1a(builder, t.Testhashu32Fnv1a)
MonsterAddTesthashs64Fnv1a(builder, t.Testhashs64Fnv1a)
MonsterAddTesthashu64Fnv1a(builder, t.Testhashu64Fnv1a)
MonsterAddTestarrayofbools(builder, testarrayofboolsOffset)
MonsterAddTestf(builder, t.Testf)
MonsterAddTestf2(builder, t.Testf2)
MonsterAddTestf3(builder, t.Testf3)
MonsterAddTestarrayofstring2(builder, testarrayofstring2Offset)
MonsterAddTestarrayofsortedstruct(builder, testarrayofsortedstructOffset)
MonsterAddFlex(builder, flexOffset)
MonsterAddTest5(builder, test5Offset)
MonsterAddVectorOfLongs(builder, vectorOfLongsOffset)
MonsterAddVectorOfDoubles(builder, vectorOfDoublesOffset)
MonsterAddParentNamespaceTest(builder, parentNamespaceTestOffset)
MonsterAddVectorOfReferrables(builder, vectorOfReferrablesOffset)
MonsterAddSingleWeakReference(builder, t.SingleWeakReference)
MonsterAddVectorOfWeakReferences(builder, vectorOfWeakReferencesOffset)
MonsterAddVectorOfStrongReferrables(builder, vectorOfStrongReferrablesOffset)
MonsterAddCoOwningReference(builder, t.CoOwningReference)
MonsterAddVectorOfCoOwningReferences(builder, vectorOfCoOwningReferencesOffset)
MonsterAddNonOwningReference(builder, t.NonOwningReference)
MonsterAddVectorOfNonOwningReferences(builder, vectorOfNonOwningReferencesOffset)
if t.AnyUnique != nil {
MonsterAddAnyUniqueType(builder, t.AnyUnique.Type)
}
MonsterAddAnyUnique(builder, anyUniqueOffset)
if t.AnyAmbiguous != nil {
MonsterAddAnyAmbiguousType(builder, t.AnyAmbiguous.Type)
}
MonsterAddAnyAmbiguous(builder, anyAmbiguousOffset)
MonsterAddVectorOfEnums(builder, vectorOfEnumsOffset)
MonsterAddSignedEnum(builder, t.SignedEnum)
return MonsterEnd(builder)
}
func (rcv *Monster) UnPack() *MonsterT {
if rcv == nil { return nil }
t := &MonsterT{}
t.Pos = rcv.Pos(nil).UnPack()
t.Mana = rcv.Mana()
t.Hp = rcv.Hp()
t.Name = string(rcv.Name())
t.Inventory = rcv.InventoryBytes()
t.Color = rcv.Color()
testTable := flatbuffers.Table{}
if rcv.Test(&testTable) {
t.Test = AnyUnPack(rcv.TestType(), testTable)
}
test4Length := rcv.Test4Length()
t.Test4 = make([]*TestT, test4Length)
for j := 0; j < test4Length; j++ {
x := Test{}
rcv.Test4(&x, j)
t.Test4[j] = x.UnPack()
}
testarrayofstringLength := rcv.TestarrayofstringLength()
t.Testarrayofstring = make([]string, testarrayofstringLength)
for j := 0; j < testarrayofstringLength; j++ {
t.Testarrayofstring[j] = string(rcv.Testarrayofstring(j))
}
testarrayoftablesLength := rcv.TestarrayoftablesLength()
t.Testarrayoftables = make([]*MonsterT, testarrayoftablesLength)
for j := 0; j < testarrayoftablesLength; j++ {
x := Monster{}
rcv.Testarrayoftables(&x, j)
t.Testarrayoftables[j] = x.UnPack()
}
t.Enemy = rcv.Enemy(nil).UnPack()
t.Testnestedflatbuffer = rcv.TestnestedflatbufferBytes()
t.Testempty = rcv.Testempty(nil).UnPack()
t.Testbool = rcv.Testbool()
t.Testhashs32Fnv1 = rcv.Testhashs32Fnv1()
t.Testhashu32Fnv1 = rcv.Testhashu32Fnv1()
t.Testhashs64Fnv1 = rcv.Testhashs64Fnv1()
t.Testhashu64Fnv1 = rcv.Testhashu64Fnv1()
t.Testhashs32Fnv1a = rcv.Testhashs32Fnv1a()
t.Testhashu32Fnv1a = rcv.Testhashu32Fnv1a()
t.Testhashs64Fnv1a = rcv.Testhashs64Fnv1a()
t.Testhashu64Fnv1a = rcv.Testhashu64Fnv1a()
testarrayofboolsLength := rcv.TestarrayofboolsLength()
t.Testarrayofbools = make([]bool, testarrayofboolsLength)
for j := 0; j < testarrayofboolsLength; j++ {
t.Testarrayofbools[j] = rcv.Testarrayofbools(j)
}
t.Testf = rcv.Testf()
t.Testf2 = rcv.Testf2()
t.Testf3 = rcv.Testf3()
testarrayofstring2Length := rcv.Testarrayofstring2Length()
t.Testarrayofstring2 = make([]string, testarrayofstring2Length)
for j := 0; j < testarrayofstring2Length; j++ {
t.Testarrayofstring2[j] = string(rcv.Testarrayofstring2(j))
}
testarrayofsortedstructLength := rcv.TestarrayofsortedstructLength()
t.Testarrayofsortedstruct = make([]*AbilityT, testarrayofsortedstructLength)
for j := 0; j < testarrayofsortedstructLength; j++ {
x := Ability{}
rcv.Testarrayofsortedstruct(&x, j)
t.Testarrayofsortedstruct[j] = x.UnPack()
}
t.Flex = rcv.FlexBytes()
test5Length := rcv.Test5Length()
t.Test5 = make([]*TestT, test5Length)
for j := 0; j < test5Length; j++ {
x := Test{}
rcv.Test5(&x, j)
t.Test5[j] = x.UnPack()
}
vectorOfLongsLength := rcv.VectorOfLongsLength()
t.VectorOfLongs = make([]int64, vectorOfLongsLength)
for j := 0; j < vectorOfLongsLength; j++ {
t.VectorOfLongs[j] = rcv.VectorOfLongs(j)
}
vectorOfDoublesLength := rcv.VectorOfDoublesLength()
t.VectorOfDoubles = make([]float64, vectorOfDoublesLength)
for j := 0; j < vectorOfDoublesLength; j++ {
t.VectorOfDoubles[j] = rcv.VectorOfDoubles(j)
}
t.ParentNamespaceTest = rcv.ParentNamespaceTest(nil).UnPack()
vectorOfReferrablesLength := rcv.VectorOfReferrablesLength()
t.VectorOfReferrables = make([]*ReferrableT, vectorOfReferrablesLength)
for j := 0; j < vectorOfReferrablesLength; j++ {
x := Referrable{}
rcv.VectorOfReferrables(&x, j)
t.VectorOfReferrables[j] = x.UnPack()
}
t.SingleWeakReference = rcv.SingleWeakReference()
vectorOfWeakReferencesLength := rcv.VectorOfWeakReferencesLength()
t.VectorOfWeakReferences = make([]uint64, vectorOfWeakReferencesLength)
for j := 0; j < vectorOfWeakReferencesLength; j++ {
t.VectorOfWeakReferences[j] = rcv.VectorOfWeakReferences(j)
}
vectorOfStrongReferrablesLength := rcv.VectorOfStrongReferrablesLength()
t.VectorOfStrongReferrables = make([]*ReferrableT, vectorOfStrongReferrablesLength)
for j := 0; j < vectorOfStrongReferrablesLength; j++ {
x := Referrable{}
rcv.VectorOfStrongReferrables(&x, j)
t.VectorOfStrongReferrables[j] = x.UnPack()
}
t.CoOwningReference = rcv.CoOwningReference()
vectorOfCoOwningReferencesLength := rcv.VectorOfCoOwningReferencesLength()
t.VectorOfCoOwningReferences = make([]uint64, vectorOfCoOwningReferencesLength)
for j := 0; j < vectorOfCoOwningReferencesLength; j++ {
t.VectorOfCoOwningReferences[j] = rcv.VectorOfCoOwningReferences(j)
}
t.NonOwningReference = rcv.NonOwningReference()
vectorOfNonOwningReferencesLength := rcv.VectorOfNonOwningReferencesLength()
t.VectorOfNonOwningReferences = make([]uint64, vectorOfNonOwningReferencesLength)
for j := 0; j < vectorOfNonOwningReferencesLength; j++ {
t.VectorOfNonOwningReferences[j] = rcv.VectorOfNonOwningReferences(j)
}
anyUniqueTable := flatbuffers.Table{}
if rcv.AnyUnique(&anyUniqueTable) {
t.AnyUnique = AnyUniqueAliasesUnPack(rcv.AnyUniqueType(), anyUniqueTable)
}
anyAmbiguousTable := flatbuffers.Table{}
if rcv.AnyAmbiguous(&anyAmbiguousTable) {
t.AnyAmbiguous = AnyAmbiguousAliasesUnPack(rcv.AnyAmbiguousType(), anyAmbiguousTable)
}
vectorOfEnumsLength := rcv.VectorOfEnumsLength()
t.VectorOfEnums = make([]Color, vectorOfEnumsLength)
for j := 0; j < vectorOfEnumsLength; j++ {
t.VectorOfEnums[j] = rcv.VectorOfEnums(j)
}
t.SignedEnum = rcv.SignedEnum()
return t
}
type Monster struct {
_tab flatbuffers.Table
}