1 // Protocol Buffers for Go with Gadgets
3 // Copyright (c) 2018, The GoGo Authors. All rights reserved.
4 // http://github.com/gogo/protobuf
6 // Redistribution and use in source and binary forms, with or without
7 // modification, are permitted provided that the following conditions are
10 // * Redistributions of source code must retain the above copyright
11 // notice, this list of conditions and the following disclaimer.
12 // * Redistributions in binary form must reproduce the above
13 // copyright notice, this list of conditions and the following disclaimer
14 // in the documentation and/or other materials provided with the
17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 // +build !purego,!appengine,!js
31 // This file contains the implementation of the proto field accesses using package unsafe.
40 func (p pointer) getRef() pointer {
41 return pointer{p: (unsafe.Pointer)(&p.p)}
44 func (p pointer) appendRef(v pointer, typ reflect.Type) {
45 slice := p.getSlice(typ)
46 elem := v.asPointerTo(typ).Elem()
47 newSlice := reflect.Append(slice, elem)
51 func (p pointer) getSlice(typ reflect.Type) reflect.Value {
52 sliceTyp := reflect.SliceOf(typ)
53 slice := p.asPointerTo(sliceTyp)