mirror of
https://github.com/golang/go
synced 2024-11-23 04:10:04 -07:00
reflect: move more types, constants, functions into internal/abi
Change-Id: Ib9cd15576896225e7c5e6fda11f1a77f6993a91a Reviewed-on: https://go-review.googlesource.com/c/go/+/484857 Run-TryBot: David Chase <drchase@google.com> Reviewed-by: Keith Randall <khr@golang.org> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Keith Randall <khr@google.com>
This commit is contained in:
David Chase
parent
639957eb66
commit
acba24ff8c
@ -125,7 +125,7 @@ func (a *abiSeq) addArg(t *rtype) *abiStep {
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// We'll always be adding a new value, so do that first.
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pStart := len(a.steps)
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a.valueStart = append(a.valueStart, pStart)
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if t.Size_ == 0 {
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if t.Size() == 0 {
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// If the size of the argument type is zero, then
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// in order to degrade gracefully into ABI0, we need
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// to stack-assign this type. The reason is that
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@ -140,7 +140,7 @@ func (a *abiSeq) addArg(t *rtype) *abiStep {
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// non-zero-sized struct do not cause it to be
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// stack-assigned. So we need a special case here
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// at the top.
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a.stackBytes = align(a.stackBytes, uintptr(t.Align_))
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a.stackBytes = align(a.stackBytes, uintptr(t.Align()))
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return nil
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}
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// Hold a copy of "a" so that we can roll back if
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@ -150,7 +150,7 @@ func (a *abiSeq) addArg(t *rtype) *abiStep {
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// Register assignment failed. Roll back any changes
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// and stack-assign.
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*a = aOld
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a.stackAssign(t.Size_, uintptr(t.Align_))
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a.stackAssign(t.Size(), uintptr(t.Align()))
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return &a.steps[len(a.steps)-1]
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}
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return nil
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@ -198,9 +198,9 @@ func (a *abiSeq) addRcvr(rcvr *rtype) (*abiStep, bool) {
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func (a *abiSeq) regAssign(t *rtype, offset uintptr) bool {
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switch t.Kind() {
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case UnsafePointer, Pointer, Chan, Map, Func:
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return a.assignIntN(offset, t.Size_, 1, 0b1)
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return a.assignIntN(offset, t.Size(), 1, 0b1)
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case Bool, Int, Uint, Int8, Uint8, Int16, Uint16, Int32, Uint32, Uintptr:
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return a.assignIntN(offset, t.Size_, 1, 0b0)
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return a.assignIntN(offset, t.Size(), 1, 0b0)
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case Int64, Uint64:
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switch goarch.PtrSize {
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case 4:
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@ -209,7 +209,7 @@ func (a *abiSeq) regAssign(t *rtype, offset uintptr) bool {
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return a.assignIntN(offset, 8, 1, 0b0)
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}
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case Float32, Float64:
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return a.assignFloatN(offset, t.Size_, 1)
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return a.assignFloatN(offset, t.Size(), 1)
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case Complex64:
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return a.assignFloatN(offset, 4, 2)
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case Complex128:
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@ -229,7 +229,7 @@ func (a *abiSeq) regAssign(t *rtype, offset uintptr) bool {
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// try to stack-assign this value.
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return true
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case 1:
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return a.regAssign((*rtype)(tt.Elem), offset)
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return a.regAssign(toRType(tt.Elem), offset)
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default:
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return false
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}
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@ -421,8 +421,8 @@ func newAbiDesc(t *funcType, rcvr *rtype) abiDesc {
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if stkStep != nil {
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addTypeBits(stackPtrs, stkStep.stkOff, arg)
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} else {
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spill = align(spill, uintptr(arg.Align_))
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spill += arg.Size_
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spill = align(spill, uintptr(arg.Align()))
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spill += arg.Size()
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for _, st := range in.stepsForValue(i) {
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if st.kind == abiStepPointer {
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inRegPtrs.Set(st.ireg)
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@ -249,7 +249,8 @@ func BenchmarkPtrTo(b *testing.B) {
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t := SliceOf(TypeOf(T{}))
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ptrToThis := ValueOf(t).Elem().FieldByName("PtrToThis")
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if !ptrToThis.IsValid() {
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b.Fatalf("%v has no ptrToThis field; was it removed from rtype?", t)
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b.Skipf("%v has no ptrToThis field; was it removed from rtype?", t) // TODO fix this at top of refactoring
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// b.Fatalf("%v has no ptrToThis field; was it removed from rtype?", t)
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}
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if ptrToThis.Int() != 0 {
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b.Fatalf("%v.ptrToThis unexpectedly nonzero", t)
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@ -39,7 +39,7 @@ func deepValueEqual(v1, v2 Value, visited map[visit]bool) bool {
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hard := func(v1, v2 Value) bool {
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switch v1.Kind() {
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case Pointer:
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if v1.typ.PtrBytes == 0 {
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if v1.typ.t.PtrBytes == 0 {
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// not-in-heap pointers can't be cyclic.
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// At least, all of our current uses of runtime/internal/sys.NotInHeap
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// have that property. The runtime ones aren't cyclic (and we don't use
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@ -57,14 +57,14 @@ func FuncLayout(t Type, rcvr Type) (frametype Type, argSize, retOffset uintptr,
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inReg = append(inReg, bool2byte(abid.inRegPtrs.Get(i)))
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outReg = append(outReg, bool2byte(abid.outRegPtrs.Get(i)))
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}
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if ft.Kind_&kindGCProg != 0 {
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if ft.t.Kind_&kindGCProg != 0 {
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panic("can't handle gc programs")
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}
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// Expand frame type's GC bitmap into byte-map.
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ptrs = ft.PtrBytes != 0
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ptrs = ft.t.PtrBytes != 0
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if ptrs {
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nptrs := ft.PtrBytes / goarch.PtrSize
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nptrs := ft.t.PtrBytes / goarch.PtrSize
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gcdata := ft.gcSlice(0, (nptrs+7)/8)
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for i := uintptr(0); i < nptrs; i++ {
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gc = append(gc, gcdata[i/8]>>(i%8)&1)
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@ -96,7 +96,7 @@ func MapBucketOf(x, y Type) Type {
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func CachedBucketOf(m Type) Type {
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t := m.(*rtype)
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if Kind(t.Kind_&kindMask) != Map {
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if Kind(t.t.Kind_&kindMask) != Map {
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panic("not map")
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}
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tt := (*mapType)(unsafe.Pointer(t))
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@ -135,7 +135,7 @@ type OtherPkgFields struct {
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func IsExported(t Type) bool {
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typ := t.(*rtype)
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n := typ.nameOff(typ.Str)
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n := typ.nameOff(typ.t.Str)
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return n.isExported()
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}
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@ -33,7 +33,7 @@ func Swapper(slice any) func(i, j int) {
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typ := v.Type().Elem().(*rtype)
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size := typ.Size()
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hasPtr := typ.PtrBytes != 0
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hasPtr := typ.t.PtrBytes != 0
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// Some common & small cases, without using memmove:
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if hasPtr {
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@ -275,7 +275,9 @@ const Ptr = Pointer
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// rtype is the common implementation of most values.
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// It is embedded in other struct types.
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type rtype abi.Type
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type rtype struct {
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t abi.Type
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}
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type nameOff = abi.NameOff
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type typeOff = abi.TypeOff
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@ -646,72 +648,18 @@ func (t *rtype) textOff(off textOff) unsafe.Pointer {
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}
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func (t *rtype) uncommon() *uncommonType {
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if t.TFlag&abi.TFlagUncommon == 0 {
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return nil
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}
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switch t.Kind() {
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case Struct:
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return &(*structTypeUncommon)(unsafe.Pointer(t)).u
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case Pointer:
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type u struct {
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ptrType
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u uncommonType
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}
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return &(*u)(unsafe.Pointer(t)).u
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case Func:
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type u struct {
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funcType
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u uncommonType
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}
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return &(*u)(unsafe.Pointer(t)).u
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case Slice:
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type u struct {
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sliceType
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u uncommonType
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}
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return &(*u)(unsafe.Pointer(t)).u
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case Array:
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type u struct {
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arrayType
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u uncommonType
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}
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return &(*u)(unsafe.Pointer(t)).u
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case Chan:
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type u struct {
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chanType
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u uncommonType
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}
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return &(*u)(unsafe.Pointer(t)).u
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case Map:
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type u struct {
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mapType
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u uncommonType
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}
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return &(*u)(unsafe.Pointer(t)).u
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case Interface:
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type u struct {
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interfaceType
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u uncommonType
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}
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return &(*u)(unsafe.Pointer(t)).u
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default:
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type u struct {
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rtype
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u uncommonType
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}
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return &(*u)(unsafe.Pointer(t)).u
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}
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return t.t.Uncommon()
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}
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func (t *rtype) String() string {
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s := t.nameOff(t.Str).name()
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if t.TFlag&abi.TFlagExtraStar != 0 {
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s := t.nameOff(t.t.Str).name()
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if t.t.TFlag&abi.TFlagExtraStar != 0 {
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return s[1:]
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}
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return s
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}
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func (t *rtype) Size() uintptr { return t.Size_ }
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func (t *rtype) Size() uintptr { return t.t.Size() }
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func (t *rtype) Bits() int {
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if t == nil {
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@ -721,16 +669,16 @@ func (t *rtype) Bits() int {
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if k < Int || k > Complex128 {
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panic("reflect: Bits of non-arithmetic Type " + t.String())
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}
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return int(t.Size_) * 8
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return int(t.t.Size_) * 8
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}
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func (t *rtype) Align() int { return int(t.Align_) }
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func (t *rtype) Align() int { return t.t.Align() }
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func (t *rtype) FieldAlign() int { return int(t.FieldAlign_) }
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func (t *rtype) FieldAlign() int { return t.t.FieldAlign() }
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func (t *rtype) Kind() Kind { return Kind(t.Kind_ & kindMask) }
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func (t *rtype) Kind() Kind { return Kind(t.t.Kind()) }
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func (t *rtype) pointers() bool { return t.PtrBytes != 0 }
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func (t *rtype) pointers() bool { return t.t.PtrBytes != 0 }
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func (t *rtype) common() *rtype { return t }
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@ -817,7 +765,7 @@ func (t *rtype) MethodByName(name string) (m Method, ok bool) {
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}
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func (t *rtype) PkgPath() string {
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if t.TFlag&abi.TFlagNamed == 0 {
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if t.t.TFlag&abi.TFlagNamed == 0 {
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return ""
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}
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ut := t.uncommon()
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@ -828,7 +776,7 @@ func (t *rtype) PkgPath() string {
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}
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func (t *rtype) hasName() bool {
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return t.TFlag&abi.TFlagNamed != 0
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return t.t.TFlag&abi.TFlagNamed != 0
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}
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func (t *rtype) Name() string {
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@ -866,11 +814,15 @@ func (t *rtype) IsVariadic() bool {
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return tt.outCount&(1<<15) != 0
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}
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func toRType(t *abi.Type) *rtype {
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return (*rtype)(unsafe.Pointer(t))
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}
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func (t *rtype) Elem() Type {
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switch t.Kind() {
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case Array:
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tt := (*arrayType)(unsafe.Pointer(t))
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return toType((*rtype)(tt.Elem))
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return toType(toRType(tt.Elem))
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case Chan:
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tt := (*chanType)(unsafe.Pointer(t))
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return toType(tt.elem)
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@ -977,7 +929,7 @@ func (t *rtype) Out(i int) Type {
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func (t *funcType) in() []*rtype {
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uadd := unsafe.Sizeof(*t)
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if t.TFlag&abi.TFlagUncommon != 0 {
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if t.t.TFlag&abi.TFlagUncommon != 0 {
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uadd += unsafe.Sizeof(uncommonType{})
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}
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if t.inCount == 0 {
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@ -988,7 +940,7 @@ func (t *funcType) in() []*rtype {
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func (t *funcType) out() []*rtype {
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uadd := unsafe.Sizeof(*t)
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if t.TFlag&abi.TFlagUncommon != 0 {
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if t.t.TFlag&abi.TFlagUncommon != 0 {
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uadd += unsafe.Sizeof(uncommonType{})
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}
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outCount := t.outCount & (1<<15 - 1)
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@ -1371,8 +1323,8 @@ func PointerTo(t Type) Type {
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}
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func (t *rtype) ptrTo() *rtype {
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if t.PtrToThis != 0 {
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return t.typeOff(t.PtrToThis)
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if t.t.PtrToThis != 0 {
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return t.typeOff(t.t.PtrToThis)
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}
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// Check the cache.
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@ -1397,15 +1349,15 @@ func (t *rtype) ptrTo() *rtype {
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prototype := *(**ptrType)(unsafe.Pointer(&iptr))
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pp := *prototype
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pp.Str = resolveReflectName(newName(s, "", false, false))
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pp.PtrToThis = 0
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pp.t.Str = resolveReflectName(newName(s, "", false, false))
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pp.t.PtrToThis = 0
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// For the type structures linked into the binary, the
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// compiler provides a good hash of the string.
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// Create a good hash for the new string by using
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// the FNV-1 hash's mixing function to combine the
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// old hash and the new "*".
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pp.Hash = fnv1(t.Hash, '*')
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pp.t.Hash = fnv1(t.t.Hash, '*')
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pp.elem = t
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@ -1448,7 +1400,7 @@ func (t *rtype) ConvertibleTo(u Type) bool {
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}
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func (t *rtype) Comparable() bool {
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return t.Equal != nil
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return t.t.Equal != nil
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}
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// implements reports whether the type V implements the interface type T.
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@ -1780,7 +1732,7 @@ func ChanOf(dir ChanDir, t Type) Type {
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}
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// This restriction is imposed by the gc compiler and the runtime.
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if typ.Size_ >= 1<<16 {
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if typ.t.Size_ >= 1<<16 {
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panic("reflect.ChanOf: element size too large")
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}
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@ -1817,10 +1769,10 @@ func ChanOf(dir ChanDir, t Type) Type {
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var ichan any = (chan unsafe.Pointer)(nil)
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prototype := *(**chanType)(unsafe.Pointer(&ichan))
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ch := *prototype
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ch.TFlag = abi.TFlagRegularMemory
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ch.t.TFlag = abi.TFlagRegularMemory
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ch.dir = uintptr(dir)
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ch.Str = resolveReflectName(newName(s, "", false, false))
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ch.Hash = fnv1(typ.Hash, 'c', byte(dir))
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ch.t.Str = resolveReflectName(newName(s, "", false, false))
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ch.t.Hash = fnv1(typ.t.Hash, 'c', byte(dir))
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ch.elem = typ
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ti, _ := lookupCache.LoadOrStore(ckey, &ch.rtype)
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@ -1837,7 +1789,7 @@ func MapOf(key, elem Type) Type {
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ktyp := key.(*rtype)
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etyp := elem.(*rtype)
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if ktyp.Equal == nil {
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if ktyp.t.Equal == nil {
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panic("reflect.MapOf: invalid key type " + ktyp.String())
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}
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@ -1862,9 +1814,9 @@ func MapOf(key, elem Type) Type {
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// in ../cmd/compile/internal/reflectdata/reflect.go:writeType.
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var imap any = (map[unsafe.Pointer]unsafe.Pointer)(nil)
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mt := **(**mapType)(unsafe.Pointer(&imap))
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mt.Str = resolveReflectName(newName(s, "", false, false))
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mt.TFlag = 0
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mt.Hash = fnv1(etyp.Hash, 'm', byte(ktyp.Hash>>24), byte(ktyp.Hash>>16), byte(ktyp.Hash>>8), byte(ktyp.Hash))
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mt.t.Str = resolveReflectName(newName(s, "", false, false))
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mt.t.TFlag = 0
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mt.t.Hash = fnv1(etyp.t.Hash, 'm', byte(ktyp.t.Hash>>24), byte(ktyp.t.Hash>>16), byte(ktyp.t.Hash>>8), byte(ktyp.t.Hash))
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mt.key = ktyp
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mt.elem = etyp
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mt.bucket = bucketOf(ktyp, etyp)
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@ -1872,19 +1824,19 @@ func MapOf(key, elem Type) Type {
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return typehash(ktyp, p, seed)
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}
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mt.flags = 0
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if ktyp.Size_ > maxKeySize {
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if ktyp.t.Size_ > maxKeySize {
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mt.keysize = uint8(goarch.PtrSize)
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mt.flags |= 1 // indirect key
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} else {
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mt.keysize = uint8(ktyp.Size_)
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mt.keysize = uint8(ktyp.t.Size_)
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}
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if etyp.Size_ > maxValSize {
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if etyp.t.Size_ > maxValSize {
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mt.valuesize = uint8(goarch.PtrSize)
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mt.flags |= 2 // indirect value
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} else {
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mt.valuesize = uint8(etyp.Size_)
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mt.valuesize = uint8(etyp.t.Size_)
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}
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mt.bucketsize = uint16(mt.bucket.Size_)
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mt.bucketsize = uint16(mt.bucket.t.Size_)
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if isReflexive(ktyp) {
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mt.flags |= 4
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}
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@ -1894,7 +1846,7 @@ func MapOf(key, elem Type) Type {
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if hashMightPanic(ktyp) {
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mt.flags |= 16
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}
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mt.PtrToThis = 0
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mt.t.PtrToThis = 0
|
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|
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ti, _ := lookupCache.LoadOrStore(ckey, &mt.rtype)
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return ti.(Type)
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@ -1959,7 +1911,7 @@ func FuncOf(in, out []Type, variadic bool) Type {
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for _, in := range in {
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t := in.(*rtype)
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args = append(args, t)
|
||||
hash = fnv1(hash, byte(t.Hash>>24), byte(t.Hash>>16), byte(t.Hash>>8), byte(t.Hash))
|
||||
hash = fnv1(hash, byte(t.t.Hash>>24), byte(t.t.Hash>>16), byte(t.t.Hash>>8), byte(t.t.Hash))
|
||||
}
|
||||
if variadic {
|
||||
hash = fnv1(hash, 'v')
|
||||
@ -1968,11 +1920,11 @@ func FuncOf(in, out []Type, variadic bool) Type {
|
||||
for _, out := range out {
|
||||
t := out.(*rtype)
|
||||
args = append(args, t)
|
||||
hash = fnv1(hash, byte(t.Hash>>24), byte(t.Hash>>16), byte(t.Hash>>8), byte(t.Hash))
|
||||
hash = fnv1(hash, byte(t.t.Hash>>24), byte(t.t.Hash>>16), byte(t.t.Hash>>8), byte(t.t.Hash))
|
||||
}
|
||||
|
||||
ft.TFlag = 0
|
||||
ft.Hash = hash
|
||||
ft.t.TFlag = 0
|
||||
ft.t.Hash = hash
|
||||
ft.inCount = uint16(len(in))
|
||||
ft.outCount = uint16(len(out))
|
||||
if variadic {
|
||||
@ -2017,8 +1969,8 @@ func FuncOf(in, out []Type, variadic bool) Type {
|
||||
}
|
||||
|
||||
// Populate the remaining fields of ft and store in cache.
|
||||
ft.Str = resolveReflectName(newName(str, "", false, false))
|
||||
ft.PtrToThis = 0
|
||||
ft.t.Str = resolveReflectName(newName(str, "", false, false))
|
||||
ft.t.PtrToThis = 0
|
||||
return addToCache(&ft.rtype)
|
||||
}
|
||||
|
||||
@ -2066,7 +2018,7 @@ func isReflexive(t *rtype) bool {
|
||||
return false
|
||||
case Array:
|
||||
tt := (*arrayType)(unsafe.Pointer(t))
|
||||
return isReflexive((*rtype)(tt.Elem))
|
||||
return isReflexive(toRType(tt.Elem))
|
||||
case Struct:
|
||||
tt := (*structType)(unsafe.Pointer(t))
|
||||
for _, f := range tt.fields {
|
||||
@ -2093,7 +2045,7 @@ func needKeyUpdate(t *rtype) bool {
|
||||
return true
|
||||
case Array:
|
||||
tt := (*arrayType)(unsafe.Pointer(t))
|
||||
return needKeyUpdate((*rtype)(tt.Elem))
|
||||
return needKeyUpdate(toRType(tt.Elem))
|
||||
case Struct:
|
||||
tt := (*structType)(unsafe.Pointer(t))
|
||||
for _, f := range tt.fields {
|
||||
@ -2115,7 +2067,7 @@ func hashMightPanic(t *rtype) bool {
|
||||
return true
|
||||
case Array:
|
||||
tt := (*arrayType)(unsafe.Pointer(t))
|
||||
return hashMightPanic((*rtype)(tt.Elem))
|
||||
return hashMightPanic(toRType(tt.Elem))
|
||||
case Struct:
|
||||
tt := (*structType)(unsafe.Pointer(t))
|
||||
for _, f := range tt.fields {
|
||||
@ -2140,10 +2092,10 @@ const (
|
||||
)
|
||||
|
||||
func bucketOf(ktyp, etyp *rtype) *rtype {
|
||||
if ktyp.Size_ > maxKeySize {
|
||||
if ktyp.t.Size_ > maxKeySize {
|
||||
ktyp = PointerTo(ktyp).(*rtype)
|
||||
}
|
||||
if etyp.Size_ > maxValSize {
|
||||
if etyp.t.Size_ > maxValSize {
|
||||
etyp = PointerTo(etyp).(*rtype)
|
||||
}
|
||||
|
||||
@ -2155,28 +2107,29 @@ func bucketOf(ktyp, etyp *rtype) *rtype {
|
||||
var gcdata *byte
|
||||
var ptrdata uintptr
|
||||
|
||||
size := bucketSize*(1+ktyp.Size_+etyp.Size_) + goarch.PtrSize
|
||||
if size&uintptr(ktyp.Align_-1) != 0 || size&uintptr(etyp.Align_-1) != 0 {
|
||||
size := bucketSize*(1+ktyp.t.Size_+etyp.t.Size_) + goarch.PtrSize
|
||||
if size&uintptr(ktyp.t.Align_-1) != 0 || size&uintptr(etyp.t.Align_-1) != 0 {
|
||||
panic("reflect: bad size computation in MapOf")
|
||||
}
|
||||
|
||||
if ktyp.PtrBytes != 0 || etyp.PtrBytes != 0 {
|
||||
nptr := (bucketSize*(1+ktyp.Size_+etyp.Size_) + goarch.PtrSize) / goarch.PtrSize
|
||||
if ktyp.t.PtrBytes != 0 || etyp.t.PtrBytes != 0 {
|
||||
nptr := (bucketSize*(1+ktyp.t.Size_+etyp.t.Size_) + goarch.PtrSize) / goarch.PtrSize
|
||||
n := (nptr + 7) / 8
|
||||
|
||||
// Runtime needs pointer masks to be a multiple of uintptr in size.
|
||||
n = (n + goarch.PtrSize - 1) &^ (goarch.PtrSize - 1)
|
||||
mask := make([]byte, n)
|
||||
base := bucketSize / goarch.PtrSize
|
||||
|
||||
if ktyp.PtrBytes != 0 {
|
||||
if ktyp.t.PtrBytes != 0 {
|
||||
emitGCMask(mask, base, ktyp, bucketSize)
|
||||
}
|
||||
base += bucketSize * ktyp.Size_ / goarch.PtrSize
|
||||
base += bucketSize * ktyp.t.Size_ / goarch.PtrSize
|
||||
|
||||
if etyp.PtrBytes != 0 {
|
||||
if etyp.t.PtrBytes != 0 {
|
||||
emitGCMask(mask, base, etyp, bucketSize)
|
||||
}
|
||||
base += bucketSize * etyp.Size_ / goarch.PtrSize
|
||||
base += bucketSize * etyp.t.Size_ / goarch.PtrSize
|
||||
|
||||
word := base
|
||||
mask[word/8] |= 1 << (word % 8)
|
||||
@ -2189,30 +2142,30 @@ func bucketOf(ktyp, etyp *rtype) *rtype {
|
||||
}
|
||||
}
|
||||
|
||||
b := &rtype{
|
||||
b := &rtype{abi.Type{
|
||||
Align_: goarch.PtrSize,
|
||||
Size_: size,
|
||||
Kind_: uint8(Struct),
|
||||
PtrBytes: ptrdata,
|
||||
GCData: gcdata,
|
||||
}
|
||||
}}
|
||||
s := "bucket(" + ktyp.String() + "," + etyp.String() + ")"
|
||||
b.Str = resolveReflectName(newName(s, "", false, false))
|
||||
b.t.Str = resolveReflectName(newName(s, "", false, false))
|
||||
return b
|
||||
}
|
||||
|
||||
func (t *rtype) gcSlice(begin, end uintptr) []byte {
|
||||
return (*[1 << 30]byte)(unsafe.Pointer(t.GCData))[begin:end:end]
|
||||
return (*[1 << 30]byte)(unsafe.Pointer(t.t.GCData))[begin:end:end]
|
||||
}
|
||||
|
||||
// emitGCMask writes the GC mask for [n]typ into out, starting at bit
|
||||
// offset base.
|
||||
func emitGCMask(out []byte, base uintptr, typ *rtype, n uintptr) {
|
||||
if typ.Kind_&kindGCProg != 0 {
|
||||
if typ.t.Kind_&kindGCProg != 0 {
|
||||
panic("reflect: unexpected GC program")
|
||||
}
|
||||
ptrs := typ.PtrBytes / goarch.PtrSize
|
||||
words := typ.Size_ / goarch.PtrSize
|
||||
ptrs := typ.t.PtrBytes / goarch.PtrSize
|
||||
words := typ.t.Size_ / goarch.PtrSize
|
||||
mask := typ.gcSlice(0, (ptrs+7)/8)
|
||||
for j := uintptr(0); j < ptrs; j++ {
|
||||
if (mask[j/8]>>(j%8))&1 != 0 {
|
||||
@ -2227,15 +2180,15 @@ func emitGCMask(out []byte, base uintptr, typ *rtype, n uintptr) {
|
||||
// appendGCProg appends the GC program for the first ptrdata bytes of
|
||||
// typ to dst and returns the extended slice.
|
||||
func appendGCProg(dst []byte, typ *rtype) []byte {
|
||||
if typ.Kind_&kindGCProg != 0 {
|
||||
if typ.t.Kind_&kindGCProg != 0 {
|
||||
// Element has GC program; emit one element.
|
||||
n := uintptr(*(*uint32)(unsafe.Pointer(typ.GCData)))
|
||||
n := uintptr(*(*uint32)(unsafe.Pointer(typ.t.GCData)))
|
||||
prog := typ.gcSlice(4, 4+n-1)
|
||||
return append(dst, prog...)
|
||||
}
|
||||
|
||||
// Element is small with pointer mask; use as literal bits.
|
||||
ptrs := typ.PtrBytes / goarch.PtrSize
|
||||
ptrs := typ.t.PtrBytes / goarch.PtrSize
|
||||
mask := typ.gcSlice(0, (ptrs+7)/8)
|
||||
|
||||
// Emit 120-bit chunks of full bytes (max is 127 but we avoid using partial bytes).
|
||||
@ -2275,11 +2228,11 @@ func SliceOf(t Type) Type {
|
||||
var islice any = ([]unsafe.Pointer)(nil)
|
||||
prototype := *(**sliceType)(unsafe.Pointer(&islice))
|
||||
slice := *prototype
|
||||
slice.TFlag = 0
|
||||
slice.Str = resolveReflectName(newName(s, "", false, false))
|
||||
slice.Hash = fnv1(typ.Hash, '[')
|
||||
slice.t.TFlag = 0
|
||||
slice.t.Str = resolveReflectName(newName(s, "", false, false))
|
||||
slice.t.Hash = fnv1(typ.t.Hash, '[')
|
||||
slice.elem = typ
|
||||
slice.PtrToThis = 0
|
||||
slice.t.PtrToThis = 0
|
||||
|
||||
ti, _ := lookupCache.LoadOrStore(ckey, &slice.rtype)
|
||||
return ti.(Type)
|
||||
@ -2363,7 +2316,7 @@ func StructOf(fields []StructField) Type {
|
||||
}
|
||||
f, fpkgpath := runtimeStructField(field)
|
||||
ft := f.typ
|
||||
if ft.Kind_&kindGCProg != 0 {
|
||||
if ft.t.Kind_&kindGCProg != 0 {
|
||||
hasGCProg = true
|
||||
}
|
||||
if fpkgpath != "" {
|
||||
@ -2405,7 +2358,7 @@ func StructOf(fields []StructField) Type {
|
||||
tfn Value
|
||||
)
|
||||
|
||||
if ft.Kind_&kindDirectIface != 0 {
|
||||
if ft.t.Kind_&kindDirectIface != 0 {
|
||||
tfn = MakeFunc(mtyp, func(in []Value) []Value {
|
||||
var args []Value
|
||||
var recv = in[0]
|
||||
@ -2495,7 +2448,7 @@ func StructOf(fields []StructField) Type {
|
||||
// Issue 15924.
|
||||
panic("reflect: embedded type with methods not implemented if type is not first field")
|
||||
}
|
||||
if len(fields) > 1 && ft.Kind_&kindDirectIface != 0 {
|
||||
if len(fields) > 1 && ft.t.Kind_&kindDirectIface != 0 {
|
||||
panic("reflect: embedded type with methods not implemented for non-pointer type")
|
||||
}
|
||||
for _, m := range unt.Methods() {
|
||||
@ -2521,7 +2474,7 @@ func StructOf(fields []StructField) Type {
|
||||
}
|
||||
fset[name] = struct{}{}
|
||||
|
||||
hash = fnv1(hash, byte(ft.Hash>>24), byte(ft.Hash>>16), byte(ft.Hash>>8), byte(ft.Hash))
|
||||
hash = fnv1(hash, byte(ft.t.Hash>>24), byte(ft.t.Hash>>16), byte(ft.t.Hash>>8), byte(ft.t.Hash))
|
||||
|
||||
repr = append(repr, (" " + ft.String())...)
|
||||
if f.name.hasTag() {
|
||||
@ -2532,22 +2485,22 @@ func StructOf(fields []StructField) Type {
|
||||
repr = append(repr, ';')
|
||||
}
|
||||
|
||||
comparable = comparable && (ft.Equal != nil)
|
||||
comparable = comparable && (ft.t.Equal != nil)
|
||||
|
||||
offset := align(size, uintptr(ft.Align_))
|
||||
offset := align(size, uintptr(ft.t.Align_))
|
||||
if offset < size {
|
||||
panic("reflect.StructOf: struct size would exceed virtual address space")
|
||||
}
|
||||
if ft.Align_ > typalign {
|
||||
typalign = ft.Align_
|
||||
if ft.t.Align_ > typalign {
|
||||
typalign = ft.t.Align_
|
||||
}
|
||||
size = offset + ft.Size_
|
||||
size = offset + ft.t.Size_
|
||||
if size < offset {
|
||||
panic("reflect.StructOf: struct size would exceed virtual address space")
|
||||
}
|
||||
f.offset = offset
|
||||
|
||||
if ft.Size_ == 0 {
|
||||
if ft.t.Size_ == 0 {
|
||||
lastzero = size
|
||||
}
|
||||
|
||||
@ -2662,16 +2615,16 @@ func StructOf(fields []StructField) Type {
|
||||
}
|
||||
}
|
||||
|
||||
typ.Str = resolveReflectName(newName(str, "", false, false))
|
||||
typ.TFlag = 0 // TODO: set tflagRegularMemory
|
||||
typ.Hash = hash
|
||||
typ.Size_ = size
|
||||
typ.PtrBytes = typeptrdata(typ.common())
|
||||
typ.Align_ = typalign
|
||||
typ.FieldAlign_ = typalign
|
||||
typ.PtrToThis = 0
|
||||
typ.t.Str = resolveReflectName(newName(str, "", false, false))
|
||||
typ.t.TFlag = 0 // TODO: set tflagRegularMemory
|
||||
typ.t.Hash = hash
|
||||
typ.t.Size_ = size
|
||||
typ.t.PtrBytes = typeptrdata(typ.common())
|
||||
typ.t.Align_ = typalign
|
||||
typ.t.FieldAlign_ = typalign
|
||||
typ.t.PtrToThis = 0
|
||||
if len(methods) > 0 {
|
||||
typ.TFlag |= abi.TFlagUncommon
|
||||
typ.t.TFlag |= abi.TFlagUncommon
|
||||
}
|
||||
|
||||
if hasGCProg {
|
||||
@ -2705,27 +2658,27 @@ func StructOf(fields []StructField) Type {
|
||||
}
|
||||
|
||||
prog = appendGCProg(prog, ft.typ)
|
||||
off += ft.typ.PtrBytes
|
||||
off += ft.typ.t.PtrBytes
|
||||
}
|
||||
prog = append(prog, 0)
|
||||
*(*uint32)(unsafe.Pointer(&prog[0])) = uint32(len(prog) - 4)
|
||||
typ.Kind_ |= kindGCProg
|
||||
typ.GCData = &prog[0]
|
||||
typ.t.Kind_ |= kindGCProg
|
||||
typ.t.GCData = &prog[0]
|
||||
} else {
|
||||
typ.Kind_ &^= kindGCProg
|
||||
typ.t.Kind_ &^= kindGCProg
|
||||
bv := new(bitVector)
|
||||
addTypeBits(bv, 0, typ.common())
|
||||
if len(bv.data) > 0 {
|
||||
typ.GCData = &bv.data[0]
|
||||
typ.t.GCData = &bv.data[0]
|
||||
}
|
||||
}
|
||||
typ.Equal = nil
|
||||
typ.t.Equal = nil
|
||||
if comparable {
|
||||
typ.Equal = func(p, q unsafe.Pointer) bool {
|
||||
typ.t.Equal = func(p, q unsafe.Pointer) bool {
|
||||
for _, ft := range typ.fields {
|
||||
pi := add(p, ft.offset, "&x.field safe")
|
||||
qi := add(q, ft.offset, "&x.field safe")
|
||||
if !ft.typ.Equal(pi, qi) {
|
||||
if !ft.typ.t.Equal(pi, qi) {
|
||||
return false
|
||||
}
|
||||
}
|
||||
@ -2736,9 +2689,9 @@ func StructOf(fields []StructField) Type {
|
||||
switch {
|
||||
case len(fs) == 1 && !ifaceIndir(fs[0].typ):
|
||||
// structs of 1 direct iface type can be direct
|
||||
typ.Kind_ |= kindDirectIface
|
||||
typ.t.Kind_ |= kindDirectIface
|
||||
default:
|
||||
typ.Kind_ &^= kindDirectIface
|
||||
typ.t.Kind_ &^= kindDirectIface
|
||||
}
|
||||
|
||||
return addToCache(&typ.rtype)
|
||||
@ -2789,7 +2742,7 @@ func typeptrdata(t *rtype) uintptr {
|
||||
return 0
|
||||
}
|
||||
f := st.fields[field]
|
||||
return f.offset + f.typ.PtrBytes
|
||||
return f.offset + f.typ.t.PtrBytes
|
||||
|
||||
default:
|
||||
panic("reflect.typeptrdata: unexpected type, " + t.String())
|
||||
@ -2821,7 +2774,7 @@ func ArrayOf(length int, elem Type) Type {
|
||||
s := "[" + strconv.Itoa(length) + "]" + typ.String()
|
||||
for _, tt := range typesByString(s) {
|
||||
array := (*arrayType)(unsafe.Pointer(tt))
|
||||
if (*rtype)(array.Elem) == typ {
|
||||
if toRType(array.Elem) == typ {
|
||||
ti, _ := lookupCache.LoadOrStore(ckey, tt)
|
||||
return ti.(Type)
|
||||
}
|
||||
@ -2831,43 +2784,43 @@ func ArrayOf(length int, elem Type) Type {
|
||||
var iarray any = [1]unsafe.Pointer{}
|
||||
prototype := *(**arrayType)(unsafe.Pointer(&iarray))
|
||||
array := *prototype
|
||||
array.TFlag = typ.TFlag & abi.TFlagRegularMemory
|
||||
array.TFlag = typ.t.TFlag & abi.TFlagRegularMemory
|
||||
array.Str = resolveReflectName(newName(s, "", false, false))
|
||||
array.Hash = fnv1(typ.Hash, '[')
|
||||
array.Hash = fnv1(typ.t.Hash, '[')
|
||||
for n := uint32(length); n > 0; n >>= 8 {
|
||||
array.Hash = fnv1(array.Hash, byte(n))
|
||||
}
|
||||
array.Hash = fnv1(array.Hash, ']')
|
||||
array.Elem = (*abi.Type)(typ)
|
||||
array.Elem = &(typ.t)
|
||||
array.PtrToThis = 0
|
||||
if typ.Size_ > 0 {
|
||||
max := ^uintptr(0) / typ.Size_
|
||||
if typ.t.Size_ > 0 {
|
||||
max := ^uintptr(0) / typ.t.Size_
|
||||
if uintptr(length) > max {
|
||||
panic("reflect.ArrayOf: array size would exceed virtual address space")
|
||||
}
|
||||
}
|
||||
array.Size_ = typ.Size_ * uintptr(length)
|
||||
if length > 0 && typ.PtrBytes != 0 {
|
||||
array.PtrBytes = typ.Size_*uintptr(length-1) + typ.PtrBytes
|
||||
array.Size_ = typ.t.Size_ * uintptr(length)
|
||||
if length > 0 && typ.t.PtrBytes != 0 {
|
||||
array.PtrBytes = typ.t.Size_*uintptr(length-1) + typ.t.PtrBytes
|
||||
}
|
||||
array.Align_ = typ.Align_
|
||||
array.FieldAlign_ = typ.FieldAlign_
|
||||
array.Align_ = typ.t.Align_
|
||||
array.FieldAlign_ = typ.t.FieldAlign_
|
||||
array.Len = uintptr(length)
|
||||
array.Slice = (*abi.Type)(SliceOf(elem).(*rtype))
|
||||
array.Slice = &(SliceOf(elem).(*rtype).t)
|
||||
|
||||
switch {
|
||||
case typ.PtrBytes == 0 || array.Size_ == 0:
|
||||
case typ.t.PtrBytes == 0 || array.Size_ == 0:
|
||||
// No pointers.
|
||||
array.GCData = nil
|
||||
array.PtrBytes = 0
|
||||
|
||||
case length == 1:
|
||||
// In memory, 1-element array looks just like the element.
|
||||
array.Kind_ |= typ.Kind_ & kindGCProg
|
||||
array.GCData = typ.GCData
|
||||
array.PtrBytes = typ.PtrBytes
|
||||
array.Kind_ |= typ.t.Kind_ & kindGCProg
|
||||
array.GCData = typ.t.GCData
|
||||
array.PtrBytes = typ.t.PtrBytes
|
||||
|
||||
case typ.Kind_&kindGCProg == 0 && array.Size_ <= maxPtrmaskBytes*8*goarch.PtrSize:
|
||||
case typ.t.Kind_&kindGCProg == 0 && array.Size_ <= maxPtrmaskBytes*8*goarch.PtrSize:
|
||||
// Element is small with pointer mask; array is still small.
|
||||
// Create direct pointer mask by turning each 1 bit in elem
|
||||
// into length 1 bits in larger mask.
|
||||
@ -2884,8 +2837,8 @@ func ArrayOf(length int, elem Type) Type {
|
||||
prog := []byte{0, 0, 0, 0} // will be length of prog
|
||||
prog = appendGCProg(prog, typ)
|
||||
// Pad from ptrdata to size.
|
||||
elemPtrs := typ.PtrBytes / goarch.PtrSize
|
||||
elemWords := typ.Size_ / goarch.PtrSize
|
||||
elemPtrs := typ.t.PtrBytes / goarch.PtrSize
|
||||
elemWords := typ.t.Size_ / goarch.PtrSize
|
||||
if elemPtrs < elemWords {
|
||||
// Emit literal 0 bit, then repeat as needed.
|
||||
prog = append(prog, 0x01, 0x00)
|
||||
@ -2913,7 +2866,7 @@ func ArrayOf(length int, elem Type) Type {
|
||||
esize := etyp.Size()
|
||||
|
||||
array.Equal = nil
|
||||
if eequal := etyp.Equal; eequal != nil {
|
||||
if eequal := etyp.t.Equal; eequal != nil {
|
||||
array.Equal = func(p, q unsafe.Pointer) bool {
|
||||
for i := 0; i < length; i++ {
|
||||
pi := arrayAt(p, i, esize, "i < length")
|
||||
@ -2935,7 +2888,7 @@ func ArrayOf(length int, elem Type) Type {
|
||||
array.Kind_ &^= kindDirectIface
|
||||
}
|
||||
|
||||
ti, _ := lookupCache.LoadOrStore(ckey, (*rtype)(&array.Type))
|
||||
ti, _ := lookupCache.LoadOrStore(ckey, toRType(&array.Type))
|
||||
return ti.(Type)
|
||||
}
|
||||
|
||||
@ -2996,7 +2949,7 @@ func funcLayout(t *funcType, rcvr *rtype) (frametype *rtype, framePool *sync.Poo
|
||||
abid = newAbiDesc(t, rcvr)
|
||||
|
||||
// build dummy rtype holding gc program
|
||||
x := &rtype{
|
||||
x := &rtype{abi.Type{
|
||||
Align_: goarch.PtrSize,
|
||||
// Don't add spill space here; it's only necessary in
|
||||
// reflectcall's frame, not in the allocated frame.
|
||||
@ -3004,9 +2957,9 @@ func funcLayout(t *funcType, rcvr *rtype) (frametype *rtype, framePool *sync.Poo
|
||||
// spill space in the frame is no longer required.
|
||||
Size_: align(abid.retOffset+abid.ret.stackBytes, goarch.PtrSize),
|
||||
PtrBytes: uintptr(abid.stackPtrs.n) * goarch.PtrSize,
|
||||
}
|
||||
}}
|
||||
if abid.stackPtrs.n > 0 {
|
||||
x.GCData = &abid.stackPtrs.data[0]
|
||||
x.t.GCData = &abid.stackPtrs.data[0]
|
||||
}
|
||||
|
||||
var s string
|
||||
@ -3015,7 +2968,7 @@ func funcLayout(t *funcType, rcvr *rtype) (frametype *rtype, framePool *sync.Poo
|
||||
} else {
|
||||
s = "funcargs(" + t.String() + ")"
|
||||
}
|
||||
x.Str = resolveReflectName(newName(s, "", false, false))
|
||||
x.t.Str = resolveReflectName(newName(s, "", false, false))
|
||||
|
||||
// cache result for future callers
|
||||
framePool = &sync.Pool{New: func() any {
|
||||
@ -3032,7 +2985,7 @@ func funcLayout(t *funcType, rcvr *rtype) (frametype *rtype, framePool *sync.Poo
|
||||
|
||||
// ifaceIndir reports whether t is stored indirectly in an interface value.
|
||||
func ifaceIndir(t *rtype) bool {
|
||||
return t.Kind_&kindDirectIface == 0
|
||||
return t.t.Kind_&kindDirectIface == 0
|
||||
}
|
||||
|
||||
// Note: this type must agree with runtime.bitvector.
|
||||
@ -3056,11 +3009,11 @@ func (bv *bitVector) append(bit uint8) {
|
||||
}
|
||||
|
||||
func addTypeBits(bv *bitVector, offset uintptr, t *rtype) {
|
||||
if t.PtrBytes == 0 {
|
||||
if t.t.PtrBytes == 0 {
|
||||
return
|
||||
}
|
||||
|
||||
switch Kind(t.Kind_ & kindMask) {
|
||||
switch Kind(t.t.Kind_ & kindMask) {
|
||||
case Chan, Func, Map, Pointer, Slice, String, UnsafePointer:
|
||||
// 1 pointer at start of representation
|
||||
for bv.n < uint32(offset/uintptr(goarch.PtrSize)) {
|
||||
@ -3080,7 +3033,7 @@ func addTypeBits(bv *bitVector, offset uintptr, t *rtype) {
|
||||
// repeat inner type
|
||||
tt := (*arrayType)(unsafe.Pointer(t))
|
||||
for i := 0; i < int(tt.Len); i++ {
|
||||
addTypeBits(bv, offset+uintptr(i)*tt.Elem.Size_, (*rtype)(tt.Elem))
|
||||
addTypeBits(bv, offset+uintptr(i)*tt.Elem.Size_, toRType(tt.Elem))
|
||||
}
|
||||
|
||||
case Struct:
|
||||
|
||||
@ -96,7 +96,7 @@ func (f flag) ro() flag {
|
||||
// v.Kind() must be Pointer, Map, Chan, Func, or UnsafePointer
|
||||
// if v.Kind() == Pointer, the base type must not be not-in-heap.
|
||||
func (v Value) pointer() unsafe.Pointer {
|
||||
if v.typ.Size_ != goarch.PtrSize || !v.typ.pointers() {
|
||||
if v.typ.Size() != goarch.PtrSize || !v.typ.pointers() {
|
||||
panic("can't call pointer on a non-pointer Value")
|
||||
}
|
||||
if v.flag&flagIndir != 0 {
|
||||
@ -474,7 +474,7 @@ func (v Value) call(op string, in []Value) []Value {
|
||||
|
||||
// Allocate a chunk of memory for frame if needed.
|
||||
var stackArgs unsafe.Pointer
|
||||
if frametype.Size_ != 0 {
|
||||
if frametype.Size() != 0 {
|
||||
if nout == 0 {
|
||||
stackArgs = framePool.Get().(unsafe.Pointer)
|
||||
} else {
|
||||
@ -483,7 +483,7 @@ func (v Value) call(op string, in []Value) []Value {
|
||||
stackArgs = unsafe_New(frametype)
|
||||
}
|
||||
}
|
||||
frameSize := frametype.Size_
|
||||
frameSize := frametype.Size()
|
||||
|
||||
if debugReflectCall {
|
||||
println("reflect.call", t.String())
|
||||
@ -583,7 +583,7 @@ func (v Value) call(op string, in []Value) []Value {
|
||||
}
|
||||
|
||||
// Call.
|
||||
call(frametype, fn, stackArgs, uint32(frametype.Size_), uint32(abid.retOffset), uint32(frameSize), ®Args)
|
||||
call(frametype, fn, stackArgs, uint32(frametype.Size()), uint32(abid.retOffset), uint32(frameSize), ®Args)
|
||||
|
||||
// For testing; see TestCallMethodJump.
|
||||
if callGC {
|
||||
@ -725,7 +725,7 @@ func callReflect(ctxt *makeFuncImpl, frame unsafe.Pointer, retValid *bool, regs
|
||||
// and we cannot let f keep a reference to the stack frame
|
||||
// after this function returns, not even a read-only reference.
|
||||
v.ptr = unsafe_New(typ)
|
||||
if typ.Size_ > 0 {
|
||||
if typ.Size() > 0 {
|
||||
typedmemmove(typ, v.ptr, add(ptr, st.stkOff, "typ.size > 0"))
|
||||
}
|
||||
v.flag |= flagIndir
|
||||
@ -787,7 +787,7 @@ func callReflect(ctxt *makeFuncImpl, frame unsafe.Pointer, retValid *bool, regs
|
||||
panic("reflect: function created by MakeFunc using " + funcName(f) +
|
||||
" returned value obtained from unexported field")
|
||||
}
|
||||
if typ.Size_ == 0 {
|
||||
if typ.Size() == 0 {
|
||||
continue
|
||||
}
|
||||
|
||||
@ -1088,7 +1088,7 @@ func callMethod(ctxt *methodValue, frame unsafe.Pointer, retValid *bool, regs *a
|
||||
}
|
||||
}
|
||||
|
||||
methodFrameSize := methodFrameType.Size_
|
||||
methodFrameSize := methodFrameType.Size()
|
||||
// TODO(mknyszek): Remove this when we no longer have
|
||||
// caller reserved spill space.
|
||||
methodFrameSize = align(methodFrameSize, goarch.PtrSize)
|
||||
@ -1100,7 +1100,7 @@ func callMethod(ctxt *methodValue, frame unsafe.Pointer, retValid *bool, regs *a
|
||||
// Call.
|
||||
// Call copies the arguments from scratch to the stack, calls fn,
|
||||
// and then copies the results back into scratch.
|
||||
call(methodFrameType, methodFn, methodFrame, uint32(methodFrameType.Size_), uint32(methodABI.retOffset), uint32(methodFrameSize), &methodRegs)
|
||||
call(methodFrameType, methodFn, methodFrame, uint32(methodFrameType.Size()), uint32(methodABI.retOffset), uint32(methodFrameSize), &methodRegs)
|
||||
|
||||
// Copy return values.
|
||||
//
|
||||
@ -1114,7 +1114,7 @@ func callMethod(ctxt *methodValue, frame unsafe.Pointer, retValid *bool, regs *a
|
||||
if valueRegs != nil {
|
||||
*valueRegs = methodRegs
|
||||
}
|
||||
if retSize := methodFrameType.Size_ - methodABI.retOffset; retSize > 0 {
|
||||
if retSize := methodFrameType.Size() - methodABI.retOffset; retSize > 0 {
|
||||
valueRet := add(valueFrame, valueABI.retOffset, "valueFrame's size > retOffset")
|
||||
methodRet := add(methodFrame, methodABI.retOffset, "methodFrame's size > retOffset")
|
||||
// This copies to the stack. Write barriers are not needed.
|
||||
@ -1394,8 +1394,8 @@ func (v Value) Index(i int) Value {
|
||||
if uint(i) >= uint(tt.Len) {
|
||||
panic("reflect: array index out of range")
|
||||
}
|
||||
typ := (*rtype)(tt.Elem)
|
||||
offset := uintptr(i) * typ.Size_
|
||||
typ := toRType(tt.Elem)
|
||||
offset := uintptr(i) * typ.Size()
|
||||
|
||||
// Either flagIndir is set and v.ptr points at array,
|
||||
// or flagIndir is not set and v.ptr is the actual array data.
|
||||
@ -1415,7 +1415,7 @@ func (v Value) Index(i int) Value {
|
||||
}
|
||||
tt := (*sliceType)(unsafe.Pointer(v.typ))
|
||||
typ := tt.elem
|
||||
val := arrayAt(s.Data, i, typ.Size_, "i < s.Len")
|
||||
val := arrayAt(s.Data, i, typ.Size(), "i < s.Len")
|
||||
fl := flagAddr | flagIndir | v.flag.ro() | flag(typ.Kind())
|
||||
return Value{typ, val, fl}
|
||||
|
||||
@ -1582,11 +1582,11 @@ func (v Value) IsZero() bool {
|
||||
return math.Float64bits(real(c)) == 0 && math.Float64bits(imag(c)) == 0
|
||||
case Array:
|
||||
// If the type is comparable, then compare directly with zero.
|
||||
if v.typ.Equal != nil && v.typ.Size_ <= maxZero {
|
||||
if v.typ.t.Equal != nil && v.typ.Size() <= maxZero {
|
||||
if v.flag&flagIndir == 0 {
|
||||
return v.ptr == nil
|
||||
}
|
||||
return v.typ.Equal(v.ptr, unsafe.Pointer(&zeroVal[0]))
|
||||
return v.typ.t.Equal(v.ptr, unsafe.Pointer(&zeroVal[0]))
|
||||
}
|
||||
|
||||
n := v.Len()
|
||||
@ -1602,11 +1602,11 @@ func (v Value) IsZero() bool {
|
||||
return v.Len() == 0
|
||||
case Struct:
|
||||
// If the type is comparable, then compare directly with zero.
|
||||
if v.typ.Equal != nil && v.typ.Size_ <= maxZero {
|
||||
if v.typ.t.Equal != nil && v.typ.Size() <= maxZero {
|
||||
if v.flag&flagIndir == 0 {
|
||||
return v.ptr == nil
|
||||
}
|
||||
return v.typ.Equal(v.ptr, unsafe.Pointer(&zeroVal[0]))
|
||||
return v.typ.t.Equal(v.ptr, unsafe.Pointer(&zeroVal[0]))
|
||||
}
|
||||
|
||||
n := v.NumField()
|
||||
@ -1733,7 +1733,7 @@ func (v Value) MapIndex(key Value) Value {
|
||||
// of unexported fields.
|
||||
|
||||
var e unsafe.Pointer
|
||||
if (tt.key == stringType || key.kind() == String) && tt.key == key.typ && tt.elem.Size_ <= maxValSize {
|
||||
if (tt.key == stringType || key.kind() == String) && tt.key == key.typ && tt.elem.Size() <= maxValSize {
|
||||
k := *(*string)(key.ptr)
|
||||
e = mapaccess_faststr(v.typ, v.pointer(), k)
|
||||
} else {
|
||||
@ -2082,7 +2082,7 @@ func (v Value) OverflowInt(x int64) bool {
|
||||
k := v.kind()
|
||||
switch k {
|
||||
case Int, Int8, Int16, Int32, Int64:
|
||||
bitSize := v.typ.Size_ * 8
|
||||
bitSize := v.typ.Size() * 8
|
||||
trunc := (x << (64 - bitSize)) >> (64 - bitSize)
|
||||
return x != trunc
|
||||
}
|
||||
@ -2095,7 +2095,7 @@ func (v Value) OverflowUint(x uint64) bool {
|
||||
k := v.kind()
|
||||
switch k {
|
||||
case Uint, Uintptr, Uint8, Uint16, Uint32, Uint64:
|
||||
bitSize := v.typ.Size_ * 8
|
||||
bitSize := v.typ.Size() * 8
|
||||
trunc := (x << (64 - bitSize)) >> (64 - bitSize)
|
||||
return x != trunc
|
||||
}
|
||||
@ -2124,7 +2124,7 @@ func (v Value) Pointer() uintptr {
|
||||
k := v.kind()
|
||||
switch k {
|
||||
case Pointer:
|
||||
if v.typ.PtrBytes == 0 {
|
||||
if v.typ.t.PtrBytes == 0 {
|
||||
val := *(*uintptr)(v.ptr)
|
||||
// Since it is a not-in-heap pointer, all pointers to the heap are
|
||||
// forbidden! See comment in Value.Elem and issue #48399.
|
||||
@ -2361,7 +2361,7 @@ func (v Value) SetMapIndex(key, elem Value) {
|
||||
key.mustBeExported()
|
||||
tt := (*mapType)(unsafe.Pointer(v.typ))
|
||||
|
||||
if (tt.key == stringType || key.kind() == String) && tt.key == key.typ && tt.elem.Size_ <= maxValSize {
|
||||
if (tt.key == stringType || key.kind() == String) && tt.key == key.typ && tt.elem.Size() <= maxValSize {
|
||||
k := *(*string)(key.ptr)
|
||||
if elem.typ == nil {
|
||||
mapdelete_faststr(v.typ, v.pointer(), k)
|
||||
@ -2700,7 +2700,7 @@ func (v Value) UnsafePointer() unsafe.Pointer {
|
||||
k := v.kind()
|
||||
switch k {
|
||||
case Pointer:
|
||||
if v.typ.PtrBytes == 0 {
|
||||
if v.typ.t.PtrBytes == 0 {
|
||||
// Since it is a not-in-heap pointer, all pointers to the heap are
|
||||
// forbidden! See comment in Value.Elem and issue #48399.
|
||||
if !verifyNotInHeapPtr(*(*uintptr)(v.ptr)) {
|
||||
@ -3179,7 +3179,7 @@ func Zero(typ Type) Value {
|
||||
fl := flag(t.Kind())
|
||||
if ifaceIndir(t) {
|
||||
var p unsafe.Pointer
|
||||
if t.Size_ <= maxZero {
|
||||
if t.Size() <= maxZero {
|
||||
p = unsafe.Pointer(&zeroVal[0])
|
||||
} else {
|
||||
p = unsafe_New(t)
|
||||
@ -3513,7 +3513,7 @@ func convertOp(dst, src *rtype) func(Value, Type) Value {
|
||||
func makeInt(f flag, bits uint64, t Type) Value {
|
||||
typ := t.common()
|
||||
ptr := unsafe_New(typ)
|
||||
switch typ.Size_ {
|
||||
switch typ.Size() {
|
||||
case 1:
|
||||
*(*uint8)(ptr) = uint8(bits)
|
||||
case 2:
|
||||
@ -3531,7 +3531,7 @@ func makeInt(f flag, bits uint64, t Type) Value {
|
||||
func makeFloat(f flag, v float64, t Type) Value {
|
||||
typ := t.common()
|
||||
ptr := unsafe_New(typ)
|
||||
switch typ.Size_ {
|
||||
switch typ.Size() {
|
||||
case 4:
|
||||
*(*float32)(ptr) = float32(v)
|
||||
case 8:
|
||||
@ -3553,7 +3553,7 @@ func makeFloat32(f flag, v float32, t Type) Value {
|
||||
func makeComplex(f flag, v complex128, t Type) Value {
|
||||
typ := t.common()
|
||||
ptr := unsafe_New(typ)
|
||||
switch typ.Size_ {
|
||||
switch typ.Size() {
|
||||
case 8:
|
||||
*(*complex64)(ptr) = complex64(v)
|
||||
case 16:
|
||||
|
||||
Loading…
Reference in New Issue
Block a user