| // Copyright 2019 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package codegen |
| |
| const bitsTmpl = ` |
| {{- define "BitsDefinition" -}} |
| {{range .DocComments}} |
| //{{ . }} |
| {{- end}} |
| type {{ .Name }} {{ .Type }} |
| const ( |
| {{- range .Members }} |
| {{ $.Name }}{{ .Name }} {{ $.Name }} = {{ .Value }} |
| {{- end }} |
| {{ .Name }}_Mask {{ .Name }} = {{ .Mask }} |
| ) |
| |
| func (_ {{ .Name }}) I_BitsMask() {{ .Name }} { |
| return {{ .Name }}_Mask |
| } |
| |
| func (_ {{ .Name }}) I_BitsIsStrict() bool { |
| return {{ .IsStrict }} |
| } |
| |
| func (x {{ .Name }}) HasUnknownBits() bool { |
| return x.GetUnknownBits() != 0 |
| } |
| |
| func (x {{ .Name }}) GetUnknownBits() uint64 { |
| return uint64(^{{ .Name }}_Mask & x) |
| } |
| |
| func (x {{ .Name }}) InvertBits() {{ .Name }} { |
| return {{ .Name }}_Mask & ^x |
| } |
| |
| // HasBits validates that all flipped bits in the mask are set. |
| func (x {{ .Name }}) HasBits(mask {{ .Name }}) bool { |
| return mask | x == x |
| } |
| |
| // ClearBits ensures all flipped bits in the mask are unset. |
| func (x {{ .Name }}) ClearBits(mask {{ .Name }}) {{ .Name }} { |
| return ^mask & x |
| } |
| |
| func (x {{.Name}}) String() string { |
| switch x { |
| {{- range .Members }} |
| case {{ .Value }}: |
| return "{{.Name}}" |
| {{- end }} |
| } |
| return "Unknown" |
| } |
| {{- end -}} |
| ` |
