| {{/* |
| // 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. |
| */}} |
| |
| {{- define "BitsDefinition" -}} |
| {{- $bits := . }} |
| |
| {{ range $comment := $bits.DocComments }} |
| //{{ $comment }} |
| {{- end }} |
| type {{ $bits.Name }} {{ $bits.Type }} |
| const ( |
| {{- range $memb := $bits.Members }} |
| {{ $bits.Name }}{{ $memb.Name }} {{ $bits.Name }} = {{ $memb.Value }} |
| {{- end }} |
| {{ $bits.Name }}_Mask {{ $bits.Name }} = {{ $bits.Mask }} |
| ) |
| |
| func (_ {{ $bits.Name }}) I_BitsMask() {{ $bits.Name }} { |
| return {{ $bits.Name }}_Mask |
| } |
| |
| func (_ {{ $bits.Name }}) I_BitsIsStrict() bool { |
| return {{ $bits.IsStrict }} |
| } |
| |
| func (x {{ $bits.Name }}) HasUnknownBits() bool { |
| return x.GetUnknownBits() != 0 |
| } |
| |
| func (x {{ $bits.Name }}) GetUnknownBits() uint64 { |
| return uint64(^{{ $bits.Name }}_Mask & x) |
| } |
| |
| func (x {{ $bits.Name }}) InvertBits() {{ $bits.Name }} { |
| return {{ $bits.Name }}_Mask & ^x |
| } |
| |
| // HasBits validates that all flipped bits in the mask are set. |
| func (x {{ $bits.Name }}) HasBits(mask {{ $bits.Name }}) bool { |
| return mask | x == x |
| } |
| |
| // ClearBits ensures all flipped bits in the mask are unset. |
| func (x {{ $bits.Name }}) ClearBits(mask {{ $bits.Name }}) {{ $bits.Name }} { |
| return ^mask & x |
| } |
| |
| func (x {{ $bits.Name }}) String() string { |
| var buf _strings.Builder |
| {{- range $memb := $bits.Members }} |
| if {{ $memb.Value }} & x != 0 { |
| if buf.Len() != 0 { |
| buf.WriteRune('|') |
| } |
| buf.WriteString("{{ $memb.Name }}") |
| } |
| {{- end }} |
| if buf.Len() == 0 { |
| buf.WriteString("<empty bits>") |
| } |
| return buf.String() |
| } |
| {{- end -}} |
