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ceph-csi/vendor/github.com/modern-go/reflect2/unsafe_struct.go
2019-01-14 20:15:09 +00:00

60 lines
1.5 KiB
Go

package reflect2
import (
"reflect"
"unsafe"
)
type UnsafeStructType struct {
unsafeType
likePtr bool
}
func newUnsafeStructType(cfg *frozenConfig, type1 reflect.Type) *UnsafeStructType {
return &UnsafeStructType{
unsafeType: *newUnsafeType(cfg, type1),
likePtr: likePtrType(type1),
}
}
func (type2 *UnsafeStructType) LikePtr() bool {
return type2.likePtr
}
func (type2 *UnsafeStructType) Indirect(obj interface{}) interface{} {
objEFace := unpackEFace(obj)
assertType("Type.Indirect argument 1", type2.ptrRType, objEFace.rtype)
return type2.UnsafeIndirect(objEFace.data)
}
func (type2 *UnsafeStructType) UnsafeIndirect(ptr unsafe.Pointer) interface{} {
if type2.likePtr {
return packEFace(type2.rtype, *(*unsafe.Pointer)(ptr))
}
return packEFace(type2.rtype, ptr)
}
func (type2 *UnsafeStructType) FieldByName(name string) StructField {
structField, found := type2.Type.FieldByName(name)
if !found {
return nil
}
return newUnsafeStructField(type2, structField)
}
func (type2 *UnsafeStructType) Field(i int) StructField {
return newUnsafeStructField(type2, type2.Type.Field(i))
}
func (type2 *UnsafeStructType) FieldByIndex(index []int) StructField {
return newUnsafeStructField(type2, type2.Type.FieldByIndex(index))
}
func (type2 *UnsafeStructType) FieldByNameFunc(match func(string) bool) StructField {
structField, found := type2.Type.FieldByNameFunc(match)
if !found {
panic("field match condition not found in " + type2.Type.String())
}
return newUnsafeStructField(type2, structField)
}