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chore(gen-*): Move templates into external files (#121)
This moves the templates used by gen-atomicint and gen-atomicwrapper into external files embedded into the corresponding gen binary with go:embed.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| // Copyright (c) 2020-{{.ToYear}} Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| package atomic | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "strconv" | ||
| "sync/atomic" | ||
| ) | ||
|
|
||
| // {{ .Name }} is an atomic wrapper around {{ .Wrapped }}. | ||
| type {{ .Name }} struct { | ||
| _ nocmp // disallow non-atomic comparison | ||
|
|
||
| v {{ .Wrapped }} | ||
| } | ||
|
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||
| // New{{ .Name }} creates a new {{ .Name }}. | ||
| func New{{ .Name }}(val {{ .Wrapped }}) *{{ .Name }} { | ||
| return &{{ .Name }}{v: val} | ||
| } | ||
|
|
||
| // Load atomically loads the wrapped value. | ||
| func (i *{{ .Name }}) Load() {{ .Wrapped }} { | ||
| return atomic.Load{{ .Name }}(&i.v) | ||
| } | ||
|
|
||
| // Add atomically adds to the wrapped {{ .Wrapped }} and returns the new value. | ||
| func (i *{{ .Name }}) Add(delta {{ .Wrapped }}) {{ .Wrapped }} { | ||
| return atomic.Add{{ .Name }}(&i.v, delta) | ||
| } | ||
|
|
||
| // Sub atomically subtracts from the wrapped {{ .Wrapped }} and returns the new value. | ||
| func (i *{{ .Name }}) Sub(delta {{ .Wrapped }}) {{ .Wrapped }} { | ||
| return atomic.Add{{ .Name }}(&i.v, | ||
| {{- if .Unsigned -}} | ||
| ^(delta - 1) | ||
| {{- else -}} | ||
| -delta | ||
| {{- end -}} | ||
| ) | ||
| } | ||
|
|
||
| // Inc atomically increments the wrapped {{ .Wrapped }} and returns the new value. | ||
| func (i *{{ .Name }}) Inc() {{ .Wrapped }} { | ||
| return i.Add(1) | ||
| } | ||
|
|
||
| // Dec atomically decrements the wrapped {{ .Wrapped }} and returns the new value. | ||
| func (i *{{ .Name }}) Dec() {{ .Wrapped }} { | ||
| return i.Sub(1) | ||
| } | ||
|
|
||
| // CAS is an atomic compare-and-swap. | ||
| // | ||
| // Deprecated: Use CompareAndSwap. | ||
| func (i *{{ .Name }}) CAS(old, new {{ .Wrapped }}) (swapped bool) { | ||
| return i.CompareAndSwap(old, new) | ||
| } | ||
|
|
||
| // CompareAndSwap is an atomic compare-and-swap. | ||
| func (i *{{ .Name }}) CompareAndSwap(old, new {{ .Wrapped }}) (swapped bool) { | ||
| return atomic.CompareAndSwap{{ .Name }}(&i.v, old, new) | ||
| } | ||
|
|
||
| // Store atomically stores the passed value. | ||
| func (i *{{ .Name }}) Store(val {{ .Wrapped }}) { | ||
| atomic.Store{{ .Name }}(&i.v, val) | ||
| } | ||
|
|
||
| // Swap atomically swaps the wrapped {{ .Wrapped }} and returns the old value. | ||
| func (i *{{ .Name }}) Swap(val {{ .Wrapped }}) (old {{ .Wrapped }}) { | ||
| return atomic.Swap{{ .Name }}(&i.v, val) | ||
| } | ||
|
|
||
| // MarshalJSON encodes the wrapped {{ .Wrapped }} into JSON. | ||
| func (i *{{ .Name }}) MarshalJSON() ([]byte, error) { | ||
| return json.Marshal(i.Load()) | ||
| } | ||
|
|
||
| // UnmarshalJSON decodes JSON into the wrapped {{ .Wrapped }}. | ||
| func (i *{{ .Name }}) UnmarshalJSON(b []byte) error { | ||
| var v {{ .Wrapped }} | ||
| if err := json.Unmarshal(b, &v); err != nil { | ||
| return err | ||
| } | ||
| i.Store(v) | ||
| return nil | ||
| } | ||
|
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||
| // String encodes the wrapped value as a string. | ||
| func (i *{{ .Name }}) String() string { | ||
| v := i.Load() | ||
| {{ if .Unsigned -}} | ||
| return strconv.FormatUint(uint64(v), 10) | ||
| {{- else -}} | ||
| return strconv.FormatInt(int64(v), 10) | ||
| {{- end }} | ||
| } |
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