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[20.10] vendor: github.com/modern-go/reflect2 v1.0.2 for Go 1.18 compatibility 

full diff: 4b7aa43c67...2b33151c9b

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2022-08-19 16:10:25 +02:00
parent 6be9ce798e
commit 0c46ffc1f9
No known key found for this signature in database
GPG Key ID: 76698F39D527CE8C
13 changed files with 98 additions and 109 deletions
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2
vendor.conf
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@ -50,7 +50,7 @@ github.com/moby/buildkit 8142d66b5ebde79846b869fba30d
github.com/moby/sys 1bc8673b57550ddf85262eb0fed0aac651a37dab # symlink/v0.1.0 (latest tag, either mount/vXXX, mountinfo/vXXX or symlink/vXXX)
github.com/moby/term 3f7ff695adc6a35abc925370dd0a4dafb48ec64d
github.com/modern-go/concurrent bacd9c7ef1dd9b15be4a9909b8ac7a4e313eec94 # 1.0.3
github.com/modern-go/reflect2 4b7aa43c6742a2c18fdef89dd197aaae7dac7ccd # 1.0.1
github.com/modern-go/reflect2 2b33151c9bbc5231aea69b8861c540102b087070 # v1.0.2
github.com/morikuni/aec 39771216ff4c63d11f5e604076f9c45e8be1067b # v1.0.0
github.com/opencontainers/go-digest ea51bea511f75cfa3ef6098cc253c5c3609b037a # v1.0.0
github.com/opencontainers/image-spec 67d2d5658fe0476ab9bf414cec164077ebff3920 # v1.0.2

3
vendor/github.com/google/gofuzz/go.mod generated vendored Normal file
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@ -0,0 +1,3 @@
module github.com/google/gofuzz
go 1.12

3
vendor/github.com/modern-go/reflect2/go.mod generated vendored Normal file
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@ -0,0 +1,3 @@
module github.com/modern-go/reflect2
go 1.12

23
vendor/github.com/modern-go/reflect2/go_above_118.go generated vendored Normal file
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@ -0,0 +1,23 @@
//+build go1.18
package reflect2
import (
"unsafe"
)
// m escapes into the return value, but the caller of mapiterinit
// doesn't let the return value escape.
//go:noescape
//go:linkname mapiterinit reflect.mapiterinit
func mapiterinit(rtype unsafe.Pointer, m unsafe.Pointer, it *hiter)
func (type2 *UnsafeMapType) UnsafeIterate(obj unsafe.Pointer) MapIterator {
var it hiter
mapiterinit(type2.rtype, *(*unsafe.Pointer)(obj), &it)
return &UnsafeMapIterator{
hiter: &it,
pKeyRType: type2.pKeyRType,
pElemRType: type2.pElemRType,
}
}

8
vendor/github.com/modern-go/reflect2/go_above_17.go generated vendored
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@ -1,8 +0,0 @@
//+build go1.7
package reflect2
import "unsafe"
//go:linkname resolveTypeOff reflect.resolveTypeOff
func resolveTypeOff(rtype unsafe.Pointer, off int32) unsafe.Pointer

3
vendor/github.com/modern-go/reflect2/go_above_19.go generated vendored
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@ -6,6 +6,9 @@ import (
"unsafe"
)
//go:linkname resolveTypeOff reflect.resolveTypeOff
func resolveTypeOff(rtype unsafe.Pointer, off int32) unsafe.Pointer
//go:linkname makemap reflect.makemap
func makemap(rtype unsafe.Pointer, cap int) (m unsafe.Pointer)

21
vendor/github.com/modern-go/reflect2/go_below_118.go generated vendored Normal file
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@ -0,0 +1,21 @@
//+build !go1.18
package reflect2
import (
"unsafe"
)
// m escapes into the return value, but the caller of mapiterinit
// doesn't let the return value escape.
//go:noescape
//go:linkname mapiterinit reflect.mapiterinit
func mapiterinit(rtype unsafe.Pointer, m unsafe.Pointer) (val *hiter)
func (type2 *UnsafeMapType) UnsafeIterate(obj unsafe.Pointer) MapIterator {
return &UnsafeMapIterator{
hiter: mapiterinit(type2.rtype, *(*unsafe.Pointer)(obj)),
pKeyRType: type2.pKeyRType,
pElemRType: type2.pElemRType,
}
}

9
vendor/github.com/modern-go/reflect2/go_below_17.go generated vendored
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@ -1,9 +0,0 @@
//+build !go1.7
package reflect2
import "unsafe"
func resolveTypeOff(rtype unsafe.Pointer, off int32) unsafe.Pointer {
return nil
}

14
vendor/github.com/modern-go/reflect2/go_below_19.go generated vendored
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@ -1,14 +0,0 @@
//+build !go1.9
package reflect2
import (
"unsafe"
)
//go:linkname makemap reflect.makemap
func makemap(rtype unsafe.Pointer) (m unsafe.Pointer)
func makeMapWithSize(rtype unsafe.Pointer, cap int) unsafe.Pointer {
return makemap(rtype)
}

20
vendor/github.com/modern-go/reflect2/reflect2.go generated vendored
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@ -1,8 +1,9 @@
package reflect2
import (
"github.com/modern-go/concurrent"
"reflect"
"runtime"
"sync"
"unsafe"
)
@ -130,13 +131,13 @@ var ConfigSafe = Config{UseSafeImplementation: true}.Froze()
type frozenConfig struct {
useSafeImplementation bool
cache *concurrent.Map
cache *sync.Map
}
func (cfg Config) Froze() *frozenConfig {
return &frozenConfig{
useSafeImplementation: cfg.UseSafeImplementation,
cache: concurrent.NewMap(),
cache: new(sync.Map),
}
}
@ -288,11 +289,12 @@ func NoEscape(p unsafe.Pointer) unsafe.Pointer {
}
func UnsafeCastString(str string) []byte {
bytes := make([]byte, 0)
stringHeader := (*reflect.StringHeader)(unsafe.Pointer(&str))
sliceHeader := &reflect.SliceHeader{
Data: stringHeader.Data,
Cap: stringHeader.Len,
Len: stringHeader.Len,
}
return *(*[]byte)(unsafe.Pointer(sliceHeader))
sliceHeader := (*reflect.SliceHeader)(unsafe.Pointer(&bytes))
sliceHeader.Data = stringHeader.Data
sliceHeader.Cap = stringHeader.Len
sliceHeader.Len = stringHeader.Len
runtime.KeepAlive(str)
return bytes
}

67
vendor/github.com/modern-go/reflect2/type_map.go generated vendored
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@ -1,67 +1,32 @@
// +build !gccgo
package reflect2
import (
"reflect"
"runtime"
"strings"
"sync"
"unsafe"
)
// typelinks1 for 1.5 ~ 1.6
//go:linkname typelinks1 reflect.typelinks
func typelinks1() [][]unsafe.Pointer
// typelinks2 for 1.7 ~
//go:linkname typelinks2 reflect.typelinks
func typelinks2() (sections []unsafe.Pointer, offset [][]int32)
var types = map[string]reflect.Type{}
var packages = map[string]map[string]reflect.Type{}
// initOnce guards initialization of types and packages
var initOnce sync.Once
func init() {
ver := runtime.Version()
if ver == "go1.5" || strings.HasPrefix(ver, "go1.5.") {
loadGo15Types()
} else if ver == "go1.6" || strings.HasPrefix(ver, "go1.6.") {
loadGo15Types()
} else {
loadGo17Types()
}
var types map[string]reflect.Type
var packages map[string]map[string]reflect.Type
// discoverTypes initializes types and packages
func discoverTypes() {
types = make(map[string]reflect.Type)
packages = make(map[string]map[string]reflect.Type)
loadGoTypes()
}
func loadGo15Types() {
var obj interface{} = reflect.TypeOf(0)
typePtrss := typelinks1()
for _, typePtrs := range typePtrss {
for _, typePtr := range typePtrs {
(*emptyInterface)(unsafe.Pointer(&obj)).word = typePtr
typ := obj.(reflect.Type)
if typ.Kind() == reflect.Ptr && typ.Elem().Kind() == reflect.Struct {
loadedType := typ.Elem()
pkgTypes := packages[loadedType.PkgPath()]
if pkgTypes == nil {
pkgTypes = map[string]reflect.Type{}
packages[loadedType.PkgPath()] = pkgTypes
}
types[loadedType.String()] = loadedType
pkgTypes[loadedType.Name()] = loadedType
}
if typ.Kind() == reflect.Slice && typ.Elem().Kind() == reflect.Ptr &&
typ.Elem().Elem().Kind() == reflect.Struct {
loadedType := typ.Elem().Elem()
pkgTypes := packages[loadedType.PkgPath()]
if pkgTypes == nil {
pkgTypes = map[string]reflect.Type{}
packages[loadedType.PkgPath()] = pkgTypes
}
types[loadedType.String()] = loadedType
pkgTypes[loadedType.Name()] = loadedType
}
}
}
}
func loadGo17Types() {
func loadGoTypes() {
var obj interface{} = reflect.TypeOf(0)
sections, offset := typelinks2()
for i, offs := range offset {
@ -90,11 +55,13 @@ type emptyInterface struct {
// TypeByName return the type by its name, just like Class.forName in java
func TypeByName(typeName string) Type {
initOnce.Do(discoverTypes)
return Type2(types[typeName])
}
// TypeByPackageName return the type by its package and name
func TypeByPackageName(pkgPath string, name string) Type {
initOnce.Do(discoverTypes)
pkgTypes := packages[pkgPath]
if pkgTypes == nil {
return nil

26
vendor/github.com/modern-go/reflect2/unsafe_link.go generated vendored
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@ -19,18 +19,12 @@ func typedslicecopy(elemType unsafe.Pointer, dst, src sliceHeader) int
//go:linkname mapassign reflect.mapassign
//go:noescape
func mapassign(rtype unsafe.Pointer, m unsafe.Pointer, key, val unsafe.Pointer)
func mapassign(rtype unsafe.Pointer, m unsafe.Pointer, key unsafe.Pointer, val unsafe.Pointer)
//go:linkname mapaccess reflect.mapaccess
//go:noescape
func mapaccess(rtype unsafe.Pointer, m unsafe.Pointer, key unsafe.Pointer) (val unsafe.Pointer)
// m escapes into the return value, but the caller of mapiterinit
// doesn't let the return value escape.
//go:noescape
//go:linkname mapiterinit reflect.mapiterinit
func mapiterinit(rtype unsafe.Pointer, m unsafe.Pointer) *hiter
//go:noescape
//go:linkname mapiternext reflect.mapiternext
func mapiternext(it *hiter)
@ -42,9 +36,21 @@ func ifaceE2I(rtype unsafe.Pointer, src interface{}, dst unsafe.Pointer)
// If you modify hiter, also change cmd/internal/gc/reflect.go to indicate
// the layout of this structure.
type hiter struct {
key unsafe.Pointer // Must be in first position. Write nil to indicate iteration end (see cmd/internal/gc/range.go).
value unsafe.Pointer // Must be in second position (see cmd/internal/gc/range.go).
// rest fields are ignored
key unsafe.Pointer
value unsafe.Pointer
t unsafe.Pointer
h unsafe.Pointer
buckets unsafe.Pointer
bptr unsafe.Pointer
overflow *[]unsafe.Pointer
oldoverflow *[]unsafe.Pointer
startBucket uintptr
offset uint8
wrapped bool
B uint8
i uint8
bucket uintptr
checkBucket uintptr
}
// add returns p+x.

8
vendor/github.com/modern-go/reflect2/unsafe_map.go generated vendored
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@ -107,14 +107,6 @@ func (type2 *UnsafeMapType) Iterate(obj interface{}) MapIterator {
return type2.UnsafeIterate(objEFace.data)
}
func (type2 *UnsafeMapType) UnsafeIterate(obj unsafe.Pointer) MapIterator {
return &UnsafeMapIterator{
hiter: mapiterinit(type2.rtype, *(*unsafe.Pointer)(obj)),
pKeyRType: type2.pKeyRType,
pElemRType: type2.pElemRType,
}
}
type UnsafeMapIterator struct {
*hiter
pKeyRType unsafe.Pointer