mirror of
https://github.com/nim-lang/Nim.git
synced 2025-12-29 01:14:41 +00:00
705 lines
16 KiB
Nim
705 lines
16 KiB
Nim
discard """
|
|
targets: "c cpp"
|
|
output: '''
|
|
body executed
|
|
body executed
|
|
OK
|
|
macros api OK
|
|
'''
|
|
"""
|
|
|
|
# This is for Azure. The keyword ``alignof`` only exists in ``c++11``
|
|
# and newer. On Azure gcc does not default to c++11 yet.
|
|
when defined(cpp) and not defined(windows):
|
|
{.passC: "-std=c++11".}
|
|
|
|
# Object offsets are different for inheritance objects when compiling
|
|
# to c++.
|
|
|
|
type
|
|
TMyEnum = enum
|
|
tmOne, tmTwo, tmThree, tmFour
|
|
|
|
TMyArray1 = array[3, uint8]
|
|
TMyArray2 = array[1..3, int32]
|
|
TMyArray3 = array[TMyEnum, float64]
|
|
|
|
var failed = false
|
|
|
|
const
|
|
mysize1 = sizeof(TMyArray1)
|
|
mysize2 = sizeof(TMyArray2)
|
|
mysize3 = sizeof(TMyArray3)
|
|
|
|
doAssert mysize1 == 3
|
|
doAssert mysize2 == 12
|
|
doAssert mysize3 == 32
|
|
|
|
import macros, typetraits
|
|
|
|
macro testSizeAlignOf(args: varargs[untyped]): untyped =
|
|
result = newStmtList()
|
|
for arg in args:
|
|
result.add quote do:
|
|
let
|
|
c_size = c_sizeof(`arg`)
|
|
nim_size = sizeof(`arg`)
|
|
c_align = c_alignof(type(`arg`))
|
|
nim_align = alignof(`arg`)
|
|
|
|
if nim_size != c_size or nim_align != c_align:
|
|
var msg = strAlign(`arg`.type.name & ": ")
|
|
if nim_size != c_size:
|
|
msg.add " size(got, expected): " & $nim_size & " != " & $c_size
|
|
if nim_align != c_align:
|
|
msg.add " align(get, expected): " & $nim_align & " != " & $c_align
|
|
echo msg
|
|
failed = true
|
|
|
|
|
|
macro testOffsetOf(a, b: untyped): untyped =
|
|
let typeName = newLit(a.repr)
|
|
let member = newLit(b.repr)
|
|
result = quote do:
|
|
let
|
|
c_offset = c_offsetof(`a`,`b`)
|
|
nim_offset = offsetof(`a`,`b`)
|
|
if c_offset != nim_offset:
|
|
echo `typeName`, ".", `member`, " offsetError, C: ", c_offset, " nim: ", nim_offset
|
|
failed = true
|
|
|
|
proc strAlign(arg: string): string =
|
|
const minLen = 22
|
|
result = arg
|
|
for i in 0 ..< minLen - arg.len:
|
|
result &= ' '
|
|
|
|
macro c_offsetof(fieldAccess: typed): int32 =
|
|
## Bullet proof implementation that works on actual offsetof operator
|
|
## in the c backend. Assuming of course this implementation is
|
|
## correct.
|
|
let s = if fieldAccess.kind == nnkCheckedFieldExpr: fieldAccess[0]
|
|
else: fieldAccess
|
|
let a = s[0].getTypeInst
|
|
let b = s[1]
|
|
result = quote do:
|
|
var res: int32
|
|
{.emit: [res, " = offsetof(", `a`, ", ", `b`, ");"] .}
|
|
res
|
|
|
|
template c_offsetof(t: typedesc, a: untyped): int32 =
|
|
var x: ptr t
|
|
c_offsetof(x[].a)
|
|
|
|
macro c_sizeof(a: typed): int32 =
|
|
## Bullet proof implementation that works using the sizeof operator
|
|
## in the c backend. Assuming of course this implementation is
|
|
## correct.
|
|
result = quote do:
|
|
var res: int32
|
|
{.emit: [res, " = sizeof(", `a`, ");"] .}
|
|
res
|
|
|
|
macro c_alignof(arg: untyped): untyped =
|
|
## Bullet proof implementation that works on actual alignment
|
|
## behavior measured at runtime.
|
|
let typeSym = genSym(nskType, "AlignTestType"&arg.repr)
|
|
result = quote do:
|
|
type
|
|
`typeSym` = object
|
|
causeAlign: byte
|
|
member: `arg`
|
|
c_offsetof(`typeSym`, member)
|
|
|
|
macro testAlign(arg:untyped):untyped =
|
|
let prefix = newLit(arg.lineinfo & " alignof " & arg.repr & " ")
|
|
result = quote do:
|
|
let cAlign = c_alignof(`arg`)
|
|
let nimAlign = alignof(`arg`)
|
|
if cAlign != nimAlign:
|
|
echo `prefix`, cAlign, " != ", nimAlign
|
|
failed = true
|
|
|
|
macro testSize(arg:untyped):untyped =
|
|
let prefix = newLit(arg.lineinfo & " sizeof " & arg.repr & " ")
|
|
result = quote do:
|
|
let cSize = c_sizeof(`arg`)
|
|
let nimSize = sizeof(`arg`)
|
|
if cSize != nimSize:
|
|
echo `prefix`, cSize, " != ", nimSize
|
|
failed = true
|
|
|
|
type
|
|
MyEnum {.pure.} = enum
|
|
ValueA
|
|
ValueB
|
|
ValueC
|
|
|
|
OtherEnum {.pure, size: 8.} = enum
|
|
ValueA
|
|
ValueB
|
|
|
|
Enum1 {.pure, size: 1.} = enum
|
|
ValueA
|
|
ValueB
|
|
|
|
Enum2 {.pure, size: 2.} = enum
|
|
ValueA
|
|
ValueB
|
|
|
|
Enum4 {.pure, size: 4.} = enum
|
|
ValueA
|
|
ValueB
|
|
|
|
Enum8 {.pure, size: 8.} = enum
|
|
ValueA
|
|
ValueB
|
|
|
|
# Must have more than 32 elements so that set[MyEnum33] will become compile to an int64.
|
|
MyEnum33 {.pure.} = enum
|
|
Value1, Value2, Value3, Value4, Value5, Value6,
|
|
Value7, Value8, Value9, Value10, Value11, Value12,
|
|
Value13, Value14, Value15, Value16, Value17, Value18,
|
|
Value19, Value20, Value21, Value22, Value23, Value24,
|
|
Value25, Value26, Value27, Value28, Value29, Value30,
|
|
Value31, Value32, Value33
|
|
|
|
proc transformObjectconfigPacked(arg: NimNode): NimNode =
|
|
let debug = arg.kind == nnkPragmaExpr
|
|
|
|
if arg.eqIdent("objectconfig"):
|
|
result = ident"packed"
|
|
else:
|
|
result = copyNimNode(arg)
|
|
for child in arg:
|
|
result.add transformObjectconfigPacked(child)
|
|
|
|
proc removeObjectconfig(arg: NimNode): NimNode =
|
|
if arg.kind == nnkPragmaExpr and arg[1][0].eqIdent "objectconfig":
|
|
result = arg[0]
|
|
else:
|
|
result = copyNimNode(arg)
|
|
for child in arg:
|
|
result.add removeObjectconfig(child)
|
|
|
|
macro testinstance(body: untyped): untyped =
|
|
let bodyPure = removeObjectconfig(body)
|
|
let bodyPacked = transformObjectconfigPacked(body)
|
|
|
|
result = quote do:
|
|
proc pureblock(): void =
|
|
const usePacked {.inject.} = false
|
|
`bodyPure`
|
|
|
|
pureblock()
|
|
|
|
proc packedblock(): void =
|
|
const usePacked {.inject.} = true
|
|
`bodyPacked`
|
|
|
|
packedblock()
|
|
|
|
proc testPrimitiveTypes(): void =
|
|
testAlign(pointer)
|
|
testAlign(int)
|
|
testAlign(uint)
|
|
testAlign(int8)
|
|
testAlign(int16)
|
|
testAlign(int32)
|
|
testAlign(int64)
|
|
testAlign(uint8)
|
|
testAlign(uint16)
|
|
testAlign(uint32)
|
|
testAlign(uint64)
|
|
testAlign(float)
|
|
testAlign(float32)
|
|
testAlign(float64)
|
|
|
|
testAlign(MyEnum)
|
|
testAlign(OtherEnum)
|
|
testAlign(Enum1)
|
|
testAlign(Enum2)
|
|
testAlign(Enum4)
|
|
testAlign(Enum8)
|
|
|
|
testPrimitiveTypes()
|
|
|
|
testinstance:
|
|
type
|
|
|
|
EnumObjectA {.objectconfig.} = object
|
|
a : Enum1
|
|
b : Enum2
|
|
c : Enum4
|
|
d : Enum8
|
|
|
|
EnumObjectB {.objectconfig.} = object
|
|
a : Enum8
|
|
b : Enum4
|
|
c : Enum2
|
|
d : Enum1
|
|
|
|
TrivialType {.objectconfig.} = object
|
|
x,y,z: int8
|
|
|
|
SimpleAlignment {.objectconfig.} = object
|
|
# behaves differently on 32bit Windows and 32bit Linux
|
|
a,b: int8
|
|
c: int64
|
|
|
|
AlignAtEnd {.objectconfig.} = object
|
|
a: int64
|
|
b,c: int8
|
|
|
|
SimpleBranch {.objectconfig.} = object
|
|
case kind: MyEnum
|
|
of MyEnum.ValueA:
|
|
a: int16
|
|
of MyEnum.ValueB:
|
|
b: int32
|
|
of MyEnum.ValueC:
|
|
c: int64
|
|
|
|
PaddingBeforeBranchA {.objectconfig.} = object
|
|
cause: int8
|
|
case kind: MyEnum
|
|
of MyEnum.ValueA:
|
|
a: int16
|
|
of MyEnum.ValueB:
|
|
b: int32
|
|
of MyEnum.ValueC:
|
|
c: int64
|
|
|
|
PaddingBeforeBranchB {.objectconfig.} = object
|
|
cause: int8
|
|
case kind: MyEnum
|
|
of MyEnum.ValueA:
|
|
a: int8
|
|
of MyEnum.ValueB:
|
|
b: int16
|
|
of MyEnum.ValueC:
|
|
c: int32
|
|
|
|
PaddingAfterBranch {.objectconfig.} = object
|
|
case kind: MyEnum
|
|
of MyEnum.ValueA:
|
|
a: int8
|
|
of MyEnum.ValueB:
|
|
b: int16
|
|
of MyEnum.ValueC:
|
|
c: int32
|
|
cause: int64
|
|
|
|
RecursiveStuff {.objectconfig.} = object
|
|
case kind: MyEnum # packedOffset: 0
|
|
of MyEnum.ValueA: # packedOffset:
|
|
a: int16 # packedOffset: 1
|
|
of MyEnum.ValueB: # packedOffset:
|
|
b: int32 # packedOffset: 1
|
|
of MyEnum.ValueC: # packedOffset:
|
|
case kind2: MyEnum # packedOffset: 1
|
|
of MyEnum.ValueA: # packedOffset:
|
|
ca1: int8
|
|
ca2: int32
|
|
of MyEnum.ValueB: # packedOffset:
|
|
cb: int32 # packedOffset: 2
|
|
of MyEnum.ValueC: # packedOffset:
|
|
cc: int64 # packedOffset: 2
|
|
d1: int8
|
|
d2: int64
|
|
|
|
Foobar {.objectconfig.} = object
|
|
case kind: OtherEnum
|
|
of OtherEnum.ValueA:
|
|
a: uint8
|
|
of OtherEnum.ValueB:
|
|
b: int8
|
|
c: int8
|
|
|
|
PaddingOfSetEnum33 {.objectconfig.} = object
|
|
cause: int8
|
|
theSet: set[MyEnum33]
|
|
|
|
Bazing {.objectconfig.} = object of RootObj
|
|
a: int64
|
|
# TODO test on 32 bit system
|
|
# only there the object header is smaller than the first member
|
|
|
|
InheritanceA {.objectconfig.} = object of RootObj
|
|
a: char
|
|
|
|
InheritanceB {.objectconfig.} = object of InheritanceA
|
|
b: char
|
|
|
|
InheritanceC {.objectconfig.} = object of InheritanceB
|
|
c: char
|
|
|
|
# from issue 4763
|
|
GenericObject[T] {.objectconfig.} = object
|
|
a: int32
|
|
b: T
|
|
|
|
# this type mixes `packed` with `align`.
|
|
MyCustomAlignPackedObject {.objectconfig.} = object
|
|
a: char
|
|
b {.align: 32.}: int32 # align overrides `packed` for this field.
|
|
c: char
|
|
d: int32 # unaligned
|
|
|
|
Kind = enum
|
|
K1, K2
|
|
|
|
AnotherEnum = enum
|
|
X1, X2, X3
|
|
|
|
MyObject = object
|
|
s: string
|
|
case k: Kind
|
|
of K1: nil
|
|
of K2:
|
|
x: float
|
|
y: int32
|
|
z: AnotherEnum
|
|
|
|
const trivialSize = sizeof(TrivialType) # needs to be able to evaluate at compile time
|
|
|
|
proc main(): void =
|
|
var t : TrivialType
|
|
var a : SimpleAlignment
|
|
var b : AlignAtEnd
|
|
var c : SimpleBranch
|
|
var d : PaddingBeforeBranchA
|
|
var e : PaddingBeforeBranchB
|
|
var f : PaddingAfterBranch
|
|
var g : RecursiveStuff
|
|
var ro : RootObj
|
|
var go : GenericObject[int64]
|
|
var po : PaddingOfSetEnum33
|
|
var capo: MyCustomAlignPackedObject
|
|
var issue15516: MyObject
|
|
|
|
var
|
|
e1: Enum1
|
|
e2: Enum2
|
|
e4: Enum4
|
|
e8: Enum8
|
|
var
|
|
eoa: EnumObjectA
|
|
eob: EnumObjectB
|
|
|
|
testAlign(SimpleAlignment)
|
|
|
|
# sanity check to ensure both branches are actually executed
|
|
when usePacked:
|
|
doAssert sizeof(SimpleAlignment) == 10
|
|
else:
|
|
doAssert sizeof(SimpleAlignment) > 10
|
|
|
|
testSizeAlignOf(t,a,b,c,d,e,f,g,ro,go,po, e1, e2, e4, e8, eoa, eob, capo, issue15516)
|
|
|
|
type
|
|
WithBitsize {.objectconfig.} = object
|
|
bitfieldA {.bitsize: 16.}: uint32
|
|
bitfieldB {.bitsize: 16.}: uint32
|
|
|
|
var wbs: WithBitsize
|
|
testSize(wbs)
|
|
|
|
testOffsetOf(TrivialType, x)
|
|
testOffsetOf(TrivialType, y)
|
|
testOffsetOf(TrivialType, z)
|
|
|
|
testOffsetOf(SimpleAlignment, a)
|
|
testOffsetOf(SimpleAlignment, b)
|
|
testOffsetOf(SimpleAlignment, c)
|
|
|
|
testOffsetOf(AlignAtEnd, a)
|
|
testOffsetOf(AlignAtEnd, b)
|
|
testOffsetOf(AlignAtEnd, c)
|
|
|
|
testOffsetOf(SimpleBranch, a)
|
|
testOffsetOf(SimpleBranch, b)
|
|
testOffsetOf(SimpleBranch, c)
|
|
|
|
testOffsetOf(PaddingBeforeBranchA, cause)
|
|
testOffsetOf(PaddingBeforeBranchA, a)
|
|
testOffsetOf(PaddingBeforeBranchB, cause)
|
|
testOffsetOf(PaddingBeforeBranchB, a)
|
|
|
|
testOffsetOf(PaddingAfterBranch, a)
|
|
testOffsetOf(PaddingAfterBranch, cause)
|
|
|
|
testOffsetOf(Foobar, c)
|
|
|
|
testOffsetOf(PaddingOfSetEnum33, cause)
|
|
testOffsetOf(PaddingOfSetEnum33, theSet)
|
|
|
|
testOffsetOf(Bazing, a)
|
|
testOffsetOf(InheritanceA, a)
|
|
testOffsetOf(InheritanceB, b)
|
|
testOffsetOf(InheritanceC, c)
|
|
|
|
testOffsetOf(EnumObjectA, a)
|
|
testOffsetOf(EnumObjectA, b)
|
|
testOffsetOf(EnumObjectA, c)
|
|
testOffsetOf(EnumObjectA, d)
|
|
testOffsetOf(EnumObjectB, a)
|
|
testOffsetOf(EnumObjectB, b)
|
|
testOffsetOf(EnumObjectB, c)
|
|
testOffsetOf(EnumObjectB, d)
|
|
|
|
testOffsetOf(RecursiveStuff, kind)
|
|
testOffsetOf(RecursiveStuff, a)
|
|
testOffsetOf(RecursiveStuff, b)
|
|
testOffsetOf(RecursiveStuff, kind2)
|
|
testOffsetOf(RecursiveStuff, ca1)
|
|
testOffsetOf(RecursiveStuff, ca2)
|
|
testOffsetOf(RecursiveStuff, cb)
|
|
testOffsetOf(RecursiveStuff, cc)
|
|
testOffsetOf(RecursiveStuff, d1)
|
|
testOffsetOf(RecursiveStuff, d2)
|
|
|
|
testOffsetOf(MyCustomAlignPackedObject, a)
|
|
testOffsetOf(MyCustomAlignPackedObject, b)
|
|
testOffsetOf(MyCustomAlignPackedObject, c)
|
|
testOffsetOf(MyCustomAlignPackedObject, d)
|
|
|
|
echo "body executed" # sanity check to ensure this logic isn't skipped entirely
|
|
|
|
|
|
main()
|
|
|
|
{.emit: """/*TYPESECTION*/
|
|
typedef struct{
|
|
float a; float b;
|
|
} Foo;
|
|
""".}
|
|
|
|
type
|
|
Foo {.importc.} = object
|
|
|
|
Bar = object
|
|
b: byte
|
|
foo: Foo
|
|
|
|
assert sizeof(Bar) == 12
|
|
|
|
# bug #10082
|
|
type
|
|
A = int8 # change to int16 and get sizeof(C)==6
|
|
B = int16
|
|
C {.packed.} = object
|
|
d {.bitsize: 1.}: A
|
|
e {.bitsize: 7.}: A
|
|
f {.bitsize: 16.}: B
|
|
|
|
assert sizeof(C) == 3
|
|
|
|
|
|
type
|
|
MixedBitsize {.packed.} = object
|
|
a: uint32
|
|
b {.bitsize: 8.}: uint8
|
|
c {.bitsize: 1.}: uint8
|
|
d {.bitsize: 7.}: uint8
|
|
e {.bitsize: 16.}: uint16
|
|
f: uint32
|
|
|
|
doAssert sizeof(MixedBitsize) == 12
|
|
|
|
|
|
type
|
|
MyUnionType {.union.} = object
|
|
a: int32
|
|
b: float32
|
|
|
|
MyCustomAlignUnion {.union.} = object
|
|
c: char
|
|
a {.align: 32.}: int
|
|
|
|
MyCustomAlignObject = object
|
|
c: char
|
|
a {.align: 32.}: int
|
|
|
|
doAssert sizeof(MyUnionType) == 4
|
|
doAssert sizeof(MyCustomAlignUnion) == 32
|
|
doAssert alignof(MyCustomAlignUnion) == 32
|
|
doAssert sizeof(MyCustomAlignObject) == 64
|
|
doAssert alignof(MyCustomAlignObject) == 32
|
|
|
|
|
|
|
|
|
|
|
|
|
|
##########################################
|
|
# bug #9794
|
|
##########################################
|
|
|
|
type
|
|
imported_double {.importc: "double".} = object
|
|
|
|
Pod = object
|
|
v* : imported_double
|
|
seed*: int32
|
|
|
|
Pod2 = tuple[v: imported_double, seed: int32]
|
|
|
|
proc foobar() =
|
|
testAlign(Pod)
|
|
testSize(Pod)
|
|
testAlign(Pod2)
|
|
testSize(Pod2)
|
|
doAssert sizeof(Pod) == sizeof(Pod2)
|
|
doAssert alignof(Pod) == alignof(Pod2)
|
|
foobar()
|
|
|
|
if failed:
|
|
quit("FAIL")
|
|
else:
|
|
echo "OK"
|
|
|
|
##########################################
|
|
# sizeof macros API
|
|
##########################################
|
|
|
|
import macros
|
|
|
|
type
|
|
Vec2f = object
|
|
x,y: float32
|
|
|
|
Vec4f = object
|
|
x,y,z,w: float32
|
|
|
|
# this type is constructed to have no platform depended alignment.
|
|
ParticleDataA = object
|
|
pos, vel: Vec2f
|
|
birthday: float32
|
|
padding: float32
|
|
moreStuff: Vec4f
|
|
|
|
const expected = [
|
|
# name size align offset
|
|
("pos", 8, 4, 0),
|
|
("vel", 8, 4, 8),
|
|
("birthday", 4, 4, 16),
|
|
("padding", 4, 4, 20),
|
|
("moreStuff", 16, 4, 24)
|
|
]
|
|
|
|
macro typeProcessing(arg: typed): untyped =
|
|
let recList = arg.getTypeImpl[2]
|
|
recList.expectKind nnkRecList
|
|
for i, identDefs in recList:
|
|
identDefs.expectKind nnkIdentDefs
|
|
identDefs.expectLen 3
|
|
let sym = identDefs[0]
|
|
sym.expectKind nnkSym
|
|
doAssert expected[i][0] == sym.strVal
|
|
doAssert expected[i][1] == getSize(sym)
|
|
doAssert expected[i][2] == getAlign(sym)
|
|
doAssert expected[i][3] == getOffset(sym)
|
|
|
|
result = newCall(bindSym"echo", newLit("macros api OK"))
|
|
|
|
proc main() =
|
|
var mylocal: ParticleDataA
|
|
typeProcessing(mylocal)
|
|
|
|
main()
|
|
|
|
# issue #11320 use UncheckedArray
|
|
|
|
type
|
|
Payload = object
|
|
something: int8
|
|
vals: UncheckedArray[int32]
|
|
|
|
proc payloadCheck() =
|
|
doAssert offsetOf(Payload, vals) == 4
|
|
doAssert sizeof(Payload) == 4
|
|
|
|
payloadCheck()
|
|
|
|
# offsetof tuple types
|
|
|
|
type
|
|
MyTupleType = tuple
|
|
a: float64
|
|
b: float64
|
|
c: float64
|
|
|
|
MyOtherTupleType = tuple
|
|
a: float64
|
|
b: imported_double
|
|
c: float64
|
|
|
|
MyCaseObject = object
|
|
val1: imported_double
|
|
case kind: bool
|
|
of true:
|
|
val2,val3: float32
|
|
else:
|
|
val4,val5: int32
|
|
|
|
doAssert offsetof(MyTupleType, a) == 0
|
|
doAssert offsetof(MyTupleType, b) == 8
|
|
doAssert offsetof(MyTupleType, c) == 16
|
|
|
|
doAssert offsetof(MyOtherTupleType, a) == 0
|
|
doAssert offsetof(MyOtherTupleType, b) == 8
|
|
|
|
# The following expression can only work if the offsetof expression is
|
|
# properly forwarded for the C code generator.
|
|
doAssert offsetof(MyOtherTupleType, c) == 16
|
|
doAssert offsetof(Bar, foo) == 4
|
|
doAssert offsetof(MyCaseObject, val1) == 0
|
|
doAssert offsetof(MyCaseObject, kind) == 8
|
|
doAssert offsetof(MyCaseObject, val2) == 12
|
|
doAssert offsetof(MyCaseObject, val3) == 16
|
|
doAssert offsetof(MyCaseObject, val4) == 12
|
|
doAssert offsetof(MyCaseObject, val5) == 16
|
|
|
|
template reject(e) =
|
|
static: assert(not compiles(e))
|
|
|
|
reject:
|
|
const off1 = offsetof(MyOtherTupleType, c)
|
|
|
|
reject:
|
|
const off2 = offsetof(MyOtherTupleType, b)
|
|
|
|
reject:
|
|
const off3 = offsetof(MyCaseObject, kind)
|
|
|
|
|
|
type
|
|
MyPackedCaseObject {.packed.} = object
|
|
val1: imported_double
|
|
case kind: bool
|
|
of true:
|
|
val2,val3: float32
|
|
else:
|
|
val4,val5: int32
|
|
|
|
# packed case object
|
|
|
|
doAssert offsetof(MyPackedCaseObject, val1) == 0
|
|
doAssert offsetof(MyPackedCaseObject, val2) == 9
|
|
doAssert offsetof(MyPackedCaseObject, val3) == 13
|
|
doAssert offsetof(MyPackedCaseObject, val4) == 9
|
|
doAssert offsetof(MyPackedCaseObject, val5) == 13
|
|
|
|
reject:
|
|
const off5 = offsetof(MyPackedCaseObject, val2)
|
|
|
|
reject:
|
|
const off6 = offsetof(MyPackedCaseObject, val3)
|
|
|
|
reject:
|
|
const off7 = offsetof(MyPackedCaseObject, val4)
|
|
|
|
reject:
|
|
const off8 = offsetof(MyPackedCaseObject, val5)
|