use go 1.12

Signed-off-by: hongming <talonwan@yunify.com>

vendor/github.com/gogo/protobuf/proto/pointer_reflect_gogo.go

@@ -1,6 +1,6 @@
 // Protocol Buffers for Go with Gadgets
 //
-// Copyright (c) 2018, The GoGo Authors. All rights reserved.
+// Copyright (c) 2016, The GoGo Authors. All rights reserved.
 // http://github.com/gogo/protobuf
 //
 // Redistribution and use in source and binary forms, with or without
@@ -26,11 +26,7 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// +build purego appengine js
-
-// This file contains an implementation of proto field accesses using package reflect.
-// It is slower than the code in pointer_unsafe.go but it avoids package unsafe and can
-// be used on App Engine.
+// +build appengine js
 
 package proto
 
@@ -38,22 +34,52 @@ import (
 	"reflect"
 )
 
-// TODO: untested, so probably incorrect.
-
-func (p pointer) getRef() pointer {
-	return pointer{v: p.v.Addr()}
+func structPointer_FieldPointer(p structPointer, f field) structPointer {
+	panic("not implemented")
 }
 
-func (p pointer) appendRef(v pointer, typ reflect.Type) {
-	slice := p.getSlice(typ)
-	elem := v.asPointerTo(typ).Elem()
-	newSlice := reflect.Append(slice, elem)
-	slice.Set(newSlice)
+func appendStructPointer(base structPointer, f field, typ reflect.Type) structPointer {
+	panic("not implemented")
 }
 
-func (p pointer) getSlice(typ reflect.Type) reflect.Value {
-	sliceTyp := reflect.SliceOf(typ)
-	slice := p.asPointerTo(sliceTyp)
-	slice = slice.Elem()
-	return slice
+func structPointer_InterfaceAt(p structPointer, f field, t reflect.Type) interface{} {
+	panic("not implemented")
+}
+
+func structPointer_InterfaceRef(p structPointer, f field, t reflect.Type) interface{} {
+	panic("not implemented")
+}
+
+func structPointer_GetRefStructPointer(p structPointer, f field) structPointer {
+	panic("not implemented")
+}
+
+func structPointer_Add(p structPointer, size field) structPointer {
+	panic("not implemented")
+}
+
+func structPointer_Len(p structPointer, f field) int {
+	panic("not implemented")
+}
+
+func structPointer_GetSliceHeader(p structPointer, f field) *reflect.SliceHeader {
+	panic("not implemented")
+}
+
+func structPointer_Copy(oldptr structPointer, newptr structPointer, size int) {
+	panic("not implemented")
+}
+
+func structPointer_StructRefSlice(p structPointer, f field, size uintptr) *structRefSlice {
+	panic("not implemented")
+}
+
+type structRefSlice struct{}
+
+func (v *structRefSlice) Len() int {
+	panic("not implemented")
+}
+
+func (v *structRefSlice) Index(i int) structPointer {
+	panic("not implemented")
 }