Update vendor for DeepCopy issue
Signed-off-by: Guillaume J. Charmes <gcharmes@magicleap.com>
This commit is contained in:
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@ -156,9 +156,13 @@ func (w *walker) Exit(l reflectwalk.Location) error {
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}
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switch l {
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case reflectwalk.Array:
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fallthrough
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case reflectwalk.Map:
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fallthrough
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case reflectwalk.Slice:
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w.replacePointerMaybe()
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// Pop map off our container
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w.cs = w.cs[:len(w.cs)-1]
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case reflectwalk.MapValue:
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@ -171,16 +175,27 @@ func (w *walker) Exit(l reflectwalk.Location) error {
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// or in this case never adds it. We need to create a properly typed
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// zero value so that this key can be set.
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if !mv.IsValid() {
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mv = reflect.Zero(m.Type().Elem())
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mv = reflect.Zero(m.Elem().Type().Elem())
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}
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m.Elem().SetMapIndex(mk, mv)
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case reflectwalk.ArrayElem:
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// Pop off the value and the index and set it on the array
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v := w.valPop()
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i := w.valPop().Interface().(int)
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if v.IsValid() {
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a := w.cs[len(w.cs)-1]
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ae := a.Elem().Index(i) // storing array as pointer on stack - so need Elem() call
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if ae.CanSet() {
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ae.Set(v)
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}
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}
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m.SetMapIndex(mk, mv)
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case reflectwalk.SliceElem:
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// Pop off the value and the index and set it on the slice
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v := w.valPop()
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i := w.valPop().Interface().(int)
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if v.IsValid() {
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s := w.cs[len(w.cs)-1]
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se := s.Index(i)
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se := s.Elem().Index(i)
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if se.CanSet() {
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se.Set(v)
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}
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@ -220,9 +235,9 @@ func (w *walker) Map(m reflect.Value) error {
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// Create the map. If the map itself is nil, then just make a nil map
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var newMap reflect.Value
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if m.IsNil() {
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newMap = reflect.Indirect(reflect.New(m.Type()))
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newMap = reflect.New(m.Type())
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} else {
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newMap = reflect.MakeMap(m.Type())
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newMap = wrapPtr(reflect.MakeMap(m.Type()))
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}
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w.cs = append(w.cs, newMap)
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@ -287,9 +302,9 @@ func (w *walker) Slice(s reflect.Value) error {
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var newS reflect.Value
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if s.IsNil() {
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newS = reflect.Indirect(reflect.New(s.Type()))
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newS = reflect.New(s.Type())
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} else {
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newS = reflect.MakeSlice(s.Type(), s.Len(), s.Cap())
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newS = wrapPtr(reflect.MakeSlice(s.Type(), s.Len(), s.Cap()))
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}
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w.cs = append(w.cs, newS)
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@ -309,6 +324,31 @@ func (w *walker) SliceElem(i int, elem reflect.Value) error {
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return nil
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}
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func (w *walker) Array(a reflect.Value) error {
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if w.ignoring() {
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return nil
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}
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w.lock(a)
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newA := reflect.New(a.Type())
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w.cs = append(w.cs, newA)
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w.valPush(newA)
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return nil
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}
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func (w *walker) ArrayElem(i int, elem reflect.Value) error {
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if w.ignoring() {
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return nil
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}
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// We don't write the array here because elem might still be
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// arbitrarily complex. Just record the index and continue on.
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w.valPush(reflect.ValueOf(i))
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return nil
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}
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func (w *walker) Struct(s reflect.Value) error {
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if w.ignoring() {
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return nil
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@ -326,7 +366,10 @@ func (w *walker) Struct(s reflect.Value) error {
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return err
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}
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v = reflect.ValueOf(dup)
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// We need to put a pointer to the value on the value stack,
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// so allocate a new pointer and set it.
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v = reflect.New(s.Type())
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reflect.Indirect(v).Set(reflect.ValueOf(dup))
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} else {
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// No copier, we copy ourselves and allow reflectwalk to guide
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// us deeper into the structure for copying.
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@ -405,6 +448,23 @@ func (w *walker) replacePointerMaybe() {
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}
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v := w.valPop()
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// If the expected type is a pointer to an interface of any depth,
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// such as *interface{}, **interface{}, etc., then we need to convert
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// the value "v" from *CONCRETE to *interface{} so types match for
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// Set.
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//
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// Example if v is type *Foo where Foo is a struct, v would become
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// *interface{} instead. This only happens if we have an interface expectation
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// at this depth.
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//
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// For more info, see GH-16
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if iType, ok := w.ifaceTypes[ifaceKey(w.ps[w.depth], w.depth)]; ok && iType.Kind() == reflect.Interface {
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y := reflect.New(iType) // Create *interface{}
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y.Elem().Set(reflect.Indirect(v)) // Assign "Foo" to interface{} (dereferenced)
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v = y // v is now typed *interface{} (where *v = Foo)
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}
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for i := 1; i < w.ps[w.depth]; i++ {
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if iType, ok := w.ifaceTypes[ifaceKey(w.ps[w.depth]-i, w.depth)]; ok {
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iface := reflect.New(iType).Elem()
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@ -475,3 +535,14 @@ func (w *walker) lock(v reflect.Value) {
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locker.Lock()
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w.locks[w.depth] = locker
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}
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// wrapPtr is a helper that takes v and always make it *v. copystructure
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// stores things internally as pointers until the last moment before unwrapping
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func wrapPtr(v reflect.Value) reflect.Value {
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if !v.IsValid() {
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return v
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}
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vPtr := reflect.New(v.Type())
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vPtr.Elem().Set(v)
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return vPtr
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}
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@ -11,6 +11,8 @@ const (
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MapValue
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Slice
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SliceElem
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Array
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ArrayElem
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Struct
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StructField
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WalkLoc
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@ -1,15 +1,15 @@
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// generated by stringer -type=Location location.go; DO NOT EDIT
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// Code generated by "stringer -type=Location location.go"; DO NOT EDIT.
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package reflectwalk
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import "fmt"
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const _Location_name = "NoneMapMapKeyMapValueSliceSliceElemStructStructFieldWalkLoc"
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const _Location_name = "NoneMapMapKeyMapValueSliceSliceElemArrayArrayElemStructStructFieldWalkLoc"
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var _Location_index = [...]uint8{0, 4, 7, 13, 21, 26, 35, 41, 52, 59}
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var _Location_index = [...]uint8{0, 4, 7, 13, 21, 26, 35, 40, 49, 55, 66, 73}
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func (i Location) String() string {
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if i+1 >= Location(len(_Location_index)) {
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if i >= Location(len(_Location_index)-1) {
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return fmt.Sprintf("Location(%d)", i)
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}
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return _Location_name[_Location_index[i]:_Location_index[i+1]]
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@ -39,6 +39,13 @@ type SliceWalker interface {
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SliceElem(int, reflect.Value) error
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}
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// ArrayWalker implementations are able to handle array elements found
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// within complex structures.
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type ArrayWalker interface {
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Array(reflect.Value) error
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ArrayElem(int, reflect.Value) error
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}
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// StructWalker is an interface that has methods that are called for
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// structs when a Walk is done.
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type StructWalker interface {
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@ -65,6 +72,7 @@ type PointerWalker interface {
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// SkipEntry can be returned from walk functions to skip walking
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// the value of this field. This is only valid in the following functions:
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//
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// - Struct: skips all fields from being walked
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// - StructField: skips walking the struct value
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//
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var SkipEntry = errors.New("skip this entry")
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@ -179,6 +187,9 @@ func walk(v reflect.Value, w interface{}) (err error) {
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case reflect.Struct:
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err = walkStruct(v, w)
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return
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case reflect.Array:
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err = walkArray(v, w)
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return
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default:
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panic("unsupported type: " + k.String())
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}
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@ -286,48 +297,99 @@ func walkSlice(v reflect.Value, w interface{}) (err error) {
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return nil
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}
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func walkArray(v reflect.Value, w interface{}) (err error) {
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ew, ok := w.(EnterExitWalker)
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if ok {
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ew.Enter(Array)
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}
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if aw, ok := w.(ArrayWalker); ok {
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if err := aw.Array(v); err != nil {
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return err
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}
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}
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for i := 0; i < v.Len(); i++ {
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elem := v.Index(i)
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if aw, ok := w.(ArrayWalker); ok {
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if err := aw.ArrayElem(i, elem); err != nil {
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return err
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}
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}
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ew, ok := w.(EnterExitWalker)
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if ok {
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ew.Enter(ArrayElem)
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}
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if err := walk(elem, w); err != nil {
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return err
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}
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if ok {
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ew.Exit(ArrayElem)
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}
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}
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ew, ok = w.(EnterExitWalker)
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if ok {
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ew.Exit(Array)
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}
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return nil
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}
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func walkStruct(v reflect.Value, w interface{}) (err error) {
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ew, ewok := w.(EnterExitWalker)
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if ewok {
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ew.Enter(Struct)
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}
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skip := false
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if sw, ok := w.(StructWalker); ok {
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if err = sw.Struct(v); err != nil {
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err = sw.Struct(v)
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if err == SkipEntry {
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skip = true
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err = nil
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}
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if err != nil {
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return
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}
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}
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vt := v.Type()
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for i := 0; i < vt.NumField(); i++ {
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sf := vt.Field(i)
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f := v.FieldByIndex([]int{i})
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if !skip {
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vt := v.Type()
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for i := 0; i < vt.NumField(); i++ {
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sf := vt.Field(i)
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f := v.FieldByIndex([]int{i})
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if sw, ok := w.(StructWalker); ok {
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err = sw.StructField(sf, f)
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if sw, ok := w.(StructWalker); ok {
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err = sw.StructField(sf, f)
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// SkipEntry just pretends this field doesn't even exist
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if err == SkipEntry {
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continue
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// SkipEntry just pretends this field doesn't even exist
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if err == SkipEntry {
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continue
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}
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if err != nil {
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return
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}
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}
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ew, ok := w.(EnterExitWalker)
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if ok {
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ew.Enter(StructField)
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}
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err = walk(f, w)
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if err != nil {
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return
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}
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}
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ew, ok := w.(EnterExitWalker)
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if ok {
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ew.Enter(StructField)
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}
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err = walk(f, w)
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if err != nil {
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return
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}
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if ok {
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ew.Exit(StructField)
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if ok {
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ew.Exit(StructField)
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}
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}
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}
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@ -1964,10 +1964,10 @@
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"revisionTime": "2015-09-17T21:48:07Z"
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},
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{
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"checksumSHA1": "guxbLo8KHHBeM0rzou4OTzzpDNs=",
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"checksumSHA1": "+p4JY4wmFQAppCdlrJ8Kxybmht8=",
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"path": "github.com/mitchellh/copystructure",
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"revision": "5af94aef99f597e6a9e1f6ac6be6ce0f3c96b49d",
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"revisionTime": "2016-10-13T19:53:42Z"
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"revision": "d23ffcb85de31694d6ccaa23ccb4a03e55c1303f",
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"revisionTime": "2017-05-25T01:39:02Z"
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},
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{
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"checksumSHA1": "V/quM7+em2ByJbWBLOsEwnY3j/Q=",
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@ -2021,10 +2021,10 @@
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"revision": "6e6954073784f7ee67b28f2d22749d6479151ed7"
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},
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{
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"checksumSHA1": "vBpuqNfSTZcAR/0tP8tNYacySGs=",
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"checksumSHA1": "AMU63CNOg4XmIhVR/S/Xttt1/f0=",
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"path": "github.com/mitchellh/reflectwalk",
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"revision": "92573fe8d000a145bfebc03a16bc22b34945867f",
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"revisionTime": "2016-10-03T17:45:16Z"
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"revision": "63d60e9d0dbc60cf9164e6510889b0db6683d98c",
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"revisionTime": "2017-07-26T20:21:17Z"
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},
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{
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"checksumSHA1": "gcLub3oB+u4QrOJZcYmk/y2AP4k=",
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