gtsocial-umbx

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unsafe_struct.go (1538B)

      1 package reflect2
      2 
      3 import (
      4 	"reflect"
      5 	"unsafe"
      6 )
      7 
      8 type UnsafeStructType struct {
      9 	unsafeType
     10 	likePtr bool
     11 }
     12 
     13 func newUnsafeStructType(cfg *frozenConfig, type1 reflect.Type) *UnsafeStructType {
     14 	return &UnsafeStructType{
     15 		unsafeType: *newUnsafeType(cfg, type1),
     16 		likePtr:    likePtrType(type1),
     17 	}
     18 }
     19 
     20 func (type2 *UnsafeStructType) LikePtr() bool {
     21 	return type2.likePtr
     22 }
     23 
     24 func (type2 *UnsafeStructType) Indirect(obj interface{}) interface{} {
     25 	objEFace := unpackEFace(obj)
     26 	assertType("Type.Indirect argument 1", type2.ptrRType, objEFace.rtype)
     27 	return type2.UnsafeIndirect(objEFace.data)
     28 }
     29 
     30 func (type2 *UnsafeStructType) UnsafeIndirect(ptr unsafe.Pointer) interface{} {
     31 	if type2.likePtr {
     32 		return packEFace(type2.rtype, *(*unsafe.Pointer)(ptr))
     33 	}
     34 	return packEFace(type2.rtype, ptr)
     35 }
     36 
     37 func (type2 *UnsafeStructType) FieldByName(name string) StructField {
     38 	structField, found := type2.Type.FieldByName(name)
     39 	if !found {
     40 		return nil
     41 	}
     42 	return newUnsafeStructField(type2, structField)
     43 }
     44 
     45 func (type2 *UnsafeStructType) Field(i int) StructField {
     46 	return newUnsafeStructField(type2, type2.Type.Field(i))
     47 }
     48 
     49 func (type2 *UnsafeStructType) FieldByIndex(index []int) StructField {
     50 	return newUnsafeStructField(type2, type2.Type.FieldByIndex(index))
     51 }
     52 
     53 func (type2 *UnsafeStructType) FieldByNameFunc(match func(string) bool) StructField {
     54 	structField, found := type2.Type.FieldByNameFunc(match)
     55 	if !found {
     56 		panic("field match condition not found in " + type2.Type.String())
     57 	}
     58 	return newUnsafeStructField(type2, structField)
     59 }