forked from github/multus-cni
ac21a96804
gomodule is still in progress to migrate for now, hence multus team decide to keep vendor directory to support build without gomodule.
65 lines
1.3 KiB
Go
65 lines
1.3 KiB
Go
package reflect2
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import (
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"reflect"
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"unsafe"
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)
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type iface struct {
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itab *itab
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data unsafe.Pointer
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}
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type itab struct {
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ignore unsafe.Pointer
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rtype unsafe.Pointer
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}
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func IFaceToEFace(ptr unsafe.Pointer) interface{} {
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iface := (*iface)(ptr)
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if iface.itab == nil {
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return nil
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}
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return packEFace(iface.itab.rtype, iface.data)
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}
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type UnsafeIFaceType struct {
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unsafeType
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}
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func newUnsafeIFaceType(cfg *frozenConfig, type1 reflect.Type) *UnsafeIFaceType {
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return &UnsafeIFaceType{
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unsafeType: *newUnsafeType(cfg, type1),
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}
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}
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func (type2 *UnsafeIFaceType) Indirect(obj interface{}) interface{} {
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objEFace := unpackEFace(obj)
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assertType("Type.Indirect argument 1", type2.ptrRType, objEFace.rtype)
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return type2.UnsafeIndirect(objEFace.data)
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}
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func (type2 *UnsafeIFaceType) UnsafeIndirect(ptr unsafe.Pointer) interface{} {
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return IFaceToEFace(ptr)
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}
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func (type2 *UnsafeIFaceType) IsNil(obj interface{}) bool {
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if obj == nil {
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return true
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}
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objEFace := unpackEFace(obj)
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assertType("Type.IsNil argument 1", type2.ptrRType, objEFace.rtype)
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return type2.UnsafeIsNil(objEFace.data)
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}
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func (type2 *UnsafeIFaceType) UnsafeIsNil(ptr unsafe.Pointer) bool {
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if ptr == nil {
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return true
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}
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iface := (*iface)(ptr)
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if iface.itab == nil {
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return true
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}
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return false
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}
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