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.
This commit is contained in:
Abhinav Gupta
GitHub
@@ -28,6 +28,7 @@ package main
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import (
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"bytes"
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"embed"
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"errors"
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"flag"
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"fmt"
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@@ -93,7 +94,7 @@ func run(args []string) error {
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}
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var buff bytes.Buffer
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if err := _tmpl.Execute(&buff, data); err != nil {
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if err := _tmpl.ExecuteTemplate(&buff, "wrapper.tmpl", data); err != nil {
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return fmt.Errorf("render template: %v", err)
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}
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@@ -102,127 +103,14 @@ func run(args []string) error {
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return fmt.Errorf("reformat source: %v", err)
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}
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io.WriteString(w, "// @generated Code generated by gen-atomicint.\n\n")
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_, err = w.Write(bs)
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return err
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}
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var _tmpl = template.Must(template.New("value.go").Parse(`// @generated Code generated by gen-atomicint.
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var (
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//go:embed *.tmpl
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_tmplFS embed.FS
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// Copyright (c) 2020-{{.ToYear}} Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
|
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package atomic
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import (
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"encoding/json"
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"strconv"
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"sync/atomic"
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_tmpl = template.Must(template.New("atomicint").ParseFS(_tmplFS, "*.tmpl"))
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)
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// {{ .Name }} is an atomic wrapper around {{ .Wrapped }}.
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type {{ .Name }} struct {
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_ nocmp // disallow non-atomic comparison
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v {{ .Wrapped }}
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}
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// New{{ .Name }} creates a new {{ .Name }}.
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func New{{ .Name }}(val {{ .Wrapped }}) *{{ .Name }} {
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return &{{ .Name }}{v: val}
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}
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// Load atomically loads the wrapped value.
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func (i *{{ .Name }}) Load() {{ .Wrapped }} {
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return atomic.Load{{ .Name }}(&i.v)
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}
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// Add atomically adds to the wrapped {{ .Wrapped }} and returns the new value.
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func (i *{{ .Name }}) Add(delta {{ .Wrapped }}) {{ .Wrapped }} {
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return atomic.Add{{ .Name }}(&i.v, delta)
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}
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// Sub atomically subtracts from the wrapped {{ .Wrapped }} and returns the new value.
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func (i *{{ .Name }}) Sub(delta {{ .Wrapped }}) {{ .Wrapped }} {
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return atomic.Add{{ .Name }}(&i.v,
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{{- if .Unsigned -}}
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^(delta - 1)
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{{- else -}}
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-delta
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{{- end -}}
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)
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}
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// Inc atomically increments the wrapped {{ .Wrapped }} and returns the new value.
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func (i *{{ .Name }}) Inc() {{ .Wrapped }} {
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return i.Add(1)
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}
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// Dec atomically decrements the wrapped {{ .Wrapped }} and returns the new value.
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func (i *{{ .Name }}) Dec() {{ .Wrapped }} {
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return i.Sub(1)
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}
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// CAS is an atomic compare-and-swap.
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//
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// Deprecated: Use CompareAndSwap.
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func (i *{{ .Name }}) CAS(old, new {{ .Wrapped }}) (swapped bool) {
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return i.CompareAndSwap(old, new)
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}
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// CompareAndSwap is an atomic compare-and-swap.
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func (i *{{ .Name }}) CompareAndSwap(old, new {{ .Wrapped }}) (swapped bool) {
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return atomic.CompareAndSwap{{ .Name }}(&i.v, old, new)
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}
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// Store atomically stores the passed value.
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func (i *{{ .Name }}) Store(val {{ .Wrapped }}) {
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atomic.Store{{ .Name }}(&i.v, val)
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}
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// Swap atomically swaps the wrapped {{ .Wrapped }} and returns the old value.
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func (i *{{ .Name }}) Swap(val {{ .Wrapped }}) (old {{ .Wrapped }}) {
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return atomic.Swap{{ .Name }}(&i.v, val)
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}
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// MarshalJSON encodes the wrapped {{ .Wrapped }} into JSON.
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func (i *{{ .Name }}) MarshalJSON() ([]byte, error) {
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return json.Marshal(i.Load())
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}
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// UnmarshalJSON decodes JSON into the wrapped {{ .Wrapped }}.
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func (i *{{ .Name }}) UnmarshalJSON(b []byte) error {
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var v {{ .Wrapped }}
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if err := json.Unmarshal(b, &v); err != nil {
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return err
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}
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i.Store(v)
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return nil
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}
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// String encodes the wrapped value as a string.
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func (i *{{ .Name }}) String() string {
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v := i.Load()
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{{ if .Unsigned -}}
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return strconv.FormatUint(uint64(v), 10)
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{{- else -}}
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return strconv.FormatInt(int64(v), 10)
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{{- end }}
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}
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`))
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117
internal/gen-atomicint/wrapper.tmpl
Normal file
117
internal/gen-atomicint/wrapper.tmpl
Normal file
@@ -0,0 +1,117 @@
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// Copyright (c) 2020-{{.ToYear}} Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
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// copies of the Software, and to permit persons to whom the Software is
|
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package atomic
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import (
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"encoding/json"
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"strconv"
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"sync/atomic"
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)
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// {{ .Name }} is an atomic wrapper around {{ .Wrapped }}.
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type {{ .Name }} struct {
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_ nocmp // disallow non-atomic comparison
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v {{ .Wrapped }}
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}
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// New{{ .Name }} creates a new {{ .Name }}.
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func New{{ .Name }}(val {{ .Wrapped }}) *{{ .Name }} {
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return &{{ .Name }}{v: val}
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}
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// Load atomically loads the wrapped value.
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func (i *{{ .Name }}) Load() {{ .Wrapped }} {
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return atomic.Load{{ .Name }}(&i.v)
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}
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// Add atomically adds to the wrapped {{ .Wrapped }} and returns the new value.
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func (i *{{ .Name }}) Add(delta {{ .Wrapped }}) {{ .Wrapped }} {
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return atomic.Add{{ .Name }}(&i.v, delta)
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}
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// Sub atomically subtracts from the wrapped {{ .Wrapped }} and returns the new value.
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func (i *{{ .Name }}) Sub(delta {{ .Wrapped }}) {{ .Wrapped }} {
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return atomic.Add{{ .Name }}(&i.v,
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{{- if .Unsigned -}}
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^(delta - 1)
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{{- else -}}
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-delta
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{{- end -}}
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)
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}
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// Inc atomically increments the wrapped {{ .Wrapped }} and returns the new value.
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func (i *{{ .Name }}) Inc() {{ .Wrapped }} {
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return i.Add(1)
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}
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// Dec atomically decrements the wrapped {{ .Wrapped }} and returns the new value.
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func (i *{{ .Name }}) Dec() {{ .Wrapped }} {
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return i.Sub(1)
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}
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// CAS is an atomic compare-and-swap.
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//
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// Deprecated: Use CompareAndSwap.
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func (i *{{ .Name }}) CAS(old, new {{ .Wrapped }}) (swapped bool) {
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return i.CompareAndSwap(old, new)
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}
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// CompareAndSwap is an atomic compare-and-swap.
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func (i *{{ .Name }}) CompareAndSwap(old, new {{ .Wrapped }}) (swapped bool) {
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return atomic.CompareAndSwap{{ .Name }}(&i.v, old, new)
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}
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// Store atomically stores the passed value.
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func (i *{{ .Name }}) Store(val {{ .Wrapped }}) {
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atomic.Store{{ .Name }}(&i.v, val)
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}
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// Swap atomically swaps the wrapped {{ .Wrapped }} and returns the old value.
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func (i *{{ .Name }}) Swap(val {{ .Wrapped }}) (old {{ .Wrapped }}) {
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return atomic.Swap{{ .Name }}(&i.v, val)
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}
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// MarshalJSON encodes the wrapped {{ .Wrapped }} into JSON.
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func (i *{{ .Name }}) MarshalJSON() ([]byte, error) {
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return json.Marshal(i.Load())
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}
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// UnmarshalJSON decodes JSON into the wrapped {{ .Wrapped }}.
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func (i *{{ .Name }}) UnmarshalJSON(b []byte) error {
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var v {{ .Wrapped }}
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if err := json.Unmarshal(b, &v); err != nil {
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return err
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}
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i.Store(v)
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return nil
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}
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// String encodes the wrapped value as a string.
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func (i *{{ .Name }}) String() string {
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v := i.Load()
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{{ if .Unsigned -}}
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return strconv.FormatUint(uint64(v), 10)
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{{- else -}}
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return strconv.FormatInt(int64(v), 10)
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{{- end }}
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}
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@@ -54,6 +54,7 @@ package main
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import (
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"bytes"
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"embed"
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"errors"
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"flag"
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"fmt"
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@@ -183,7 +184,7 @@ func run(args []string) error {
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sort.Strings([]string(opts.Imports))
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var buff bytes.Buffer
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if err := _tmpl.Execute(&buff, opts); err != nil {
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if err := _tmpl.ExecuteTemplate(&buff, "wrapper.tmpl", opts); err != nil {
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return fmt.Errorf("render template: %v", err)
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}
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@@ -192,129 +193,14 @@ func run(args []string) error {
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return fmt.Errorf("reformat source: %v", err)
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}
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io.WriteString(w, "// @generated Code generated by gen-atomicwrapper.\n\n")
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_, err = w.Write(bs)
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return err
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}
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var _tmpl = template.Must(template.New("int.go").Parse(`// @generated Code generated by gen-atomicwrapper.
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var (
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//go:embed *.tmpl
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_tmplFS embed.FS
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// Copyright (c) 2020-{{.ToYear}} Uber Technologies, Inc.
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//
|
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// 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.
|
||||
|
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package atomic
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{{ with .Imports }}
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import (
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{{ range . -}}
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{{ printf "%q" . }}
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{{ end }}
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_tmpl = template.Must(template.New("atomicwrapper").ParseFS(_tmplFS, "*.tmpl"))
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)
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{{ end }}
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// {{ .Name }} is an atomic type-safe wrapper for {{ .Type }} values.
|
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type {{ .Name }} struct{
|
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_ nocmp // disallow non-atomic comparison
|
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|
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v {{ .Wrapped }}
|
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}
|
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|
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var _zero{{ .Name }} {{ .Type }}
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// New{{ .Name }} creates a new {{ .Name }}.
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func New{{ .Name }}(val {{ .Type }}) *{{ .Name }} {
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x := &{{ .Name }}{}
|
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if val != _zero{{ .Name }} {
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x.Store(val)
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}
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return x
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}
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// Load atomically loads the wrapped {{ .Type }}.
|
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func (x *{{ .Name }}) Load() {{ .Type }} {
|
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{{ if .Unpack -}}
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return {{ .Unpack }}(x.v.Load())
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{{- else -}}
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if v := x.v.Load(); v != nil {
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return v.({{ .Type }})
|
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}
|
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return _zero{{ .Name }}
|
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{{- end }}
|
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}
|
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|
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// Store atomically stores the passed {{ .Type }}.
|
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func (x *{{ .Name }}) Store(val {{ .Type }}) {
|
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{{ if .Pack -}}
|
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x.v.Store({{ .Pack }}(val))
|
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{{- else -}}
|
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x.v.Store(val)
|
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{{- end }}
|
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}
|
||||
|
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{{ if .CAS -}}
|
||||
// CAS is an atomic compare-and-swap for {{ .Type }} values.
|
||||
//
|
||||
// Deprecated: Use CompareAndSwap.
|
||||
func (x *{{ .Name }}) CAS(old, new {{ .Type }}) (swapped bool) {
|
||||
return x.CompareAndSwap(old, new)
|
||||
}
|
||||
{{- end }}
|
||||
|
||||
{{ if .CompareAndSwap -}}
|
||||
// CompareAndSwap is an atomic compare-and-swap for {{ .Type }} values.
|
||||
func (x *{{ .Name }}) CompareAndSwap(old, new {{ .Type }}) (swapped bool) {
|
||||
{{ if .Pack -}}
|
||||
return x.v.CompareAndSwap({{ .Pack }}(old), {{ .Pack }}(new))
|
||||
{{- else -}}{{- /* assume go.uber.org/atomic.Value */ -}}
|
||||
return x.v.CompareAndSwap(old, new)
|
||||
{{- end }}
|
||||
}
|
||||
{{- end }}
|
||||
|
||||
{{ if .Swap -}}
|
||||
// Swap atomically stores the given {{ .Type }} and returns the old
|
||||
// value.
|
||||
func (x *{{ .Name }}) Swap(val {{ .Type }}) (old {{ .Type }}) {
|
||||
{{ if .Pack -}}
|
||||
return {{ .Unpack }}(x.v.Swap({{ .Pack }}(val)))
|
||||
{{- else -}}{{- /* assume go.uber.org/atomic.Value */ -}}
|
||||
return x.v.Swap(val).({{ .Type }})
|
||||
{{- end }}
|
||||
}
|
||||
{{- end }}
|
||||
|
||||
{{ if .JSON -}}
|
||||
// MarshalJSON encodes the wrapped {{ .Type }} into JSON.
|
||||
func (x *{{ .Name }}) MarshalJSON() ([]byte, error) {
|
||||
return json.Marshal(x.Load())
|
||||
}
|
||||
|
||||
// UnmarshalJSON decodes a {{ .Type }} from JSON.
|
||||
func (x *{{ .Name }}) UnmarshalJSON(b []byte) error {
|
||||
var v {{ .Type }}
|
||||
if err := json.Unmarshal(b, &v); err != nil {
|
||||
return err
|
||||
}
|
||||
x.Store(v)
|
||||
return nil
|
||||
}
|
||||
{{- end }}
|
||||
|
||||
`))
|
||||
|
||||
118
internal/gen-atomicwrapper/wrapper.tmpl
Normal file
118
internal/gen-atomicwrapper/wrapper.tmpl
Normal file
@@ -0,0 +1,118 @@
|
||||
// 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
|
||||
|
||||
{{ with .Imports }}
|
||||
import (
|
||||
{{ range . -}}
|
||||
{{ printf "%q" . }}
|
||||
{{ end }}
|
||||
)
|
||||
{{ end }}
|
||||
|
||||
// {{ .Name }} is an atomic type-safe wrapper for {{ .Type }} values.
|
||||
type {{ .Name }} struct{
|
||||
_ nocmp // disallow non-atomic comparison
|
||||
|
||||
v {{ .Wrapped }}
|
||||
}
|
||||
|
||||
var _zero{{ .Name }} {{ .Type }}
|
||||
|
||||
|
||||
// New{{ .Name }} creates a new {{ .Name }}.
|
||||
func New{{ .Name }}(val {{ .Type }}) *{{ .Name }} {
|
||||
x := &{{ .Name }}{}
|
||||
if val != _zero{{ .Name }} {
|
||||
x.Store(val)
|
||||
}
|
||||
return x
|
||||
}
|
||||
|
||||
// Load atomically loads the wrapped {{ .Type }}.
|
||||
func (x *{{ .Name }}) Load() {{ .Type }} {
|
||||
{{ if .Unpack -}}
|
||||
return {{ .Unpack }}(x.v.Load())
|
||||
{{- else -}}
|
||||
if v := x.v.Load(); v != nil {
|
||||
return v.({{ .Type }})
|
||||
}
|
||||
return _zero{{ .Name }}
|
||||
{{- end }}
|
||||
}
|
||||
|
||||
// Store atomically stores the passed {{ .Type }}.
|
||||
func (x *{{ .Name }}) Store(val {{ .Type }}) {
|
||||
{{ if .Pack -}}
|
||||
x.v.Store({{ .Pack }}(val))
|
||||
{{- else -}}
|
||||
x.v.Store(val)
|
||||
{{- end }}
|
||||
}
|
||||
|
||||
{{ if .CAS -}}
|
||||
// CAS is an atomic compare-and-swap for {{ .Type }} values.
|
||||
//
|
||||
// Deprecated: Use CompareAndSwap.
|
||||
func (x *{{ .Name }}) CAS(old, new {{ .Type }}) (swapped bool) {
|
||||
return x.CompareAndSwap(old, new)
|
||||
}
|
||||
{{- end }}
|
||||
|
||||
{{ if .CompareAndSwap -}}
|
||||
// CompareAndSwap is an atomic compare-and-swap for {{ .Type }} values.
|
||||
func (x *{{ .Name }}) CompareAndSwap(old, new {{ .Type }}) (swapped bool) {
|
||||
{{ if .Pack -}}
|
||||
return x.v.CompareAndSwap({{ .Pack }}(old), {{ .Pack }}(new))
|
||||
{{- else -}}{{- /* assume go.uber.org/atomic.Value */ -}}
|
||||
return x.v.CompareAndSwap(old, new)
|
||||
{{- end }}
|
||||
}
|
||||
{{- end }}
|
||||
|
||||
{{ if .Swap -}}
|
||||
// Swap atomically stores the given {{ .Type }} and returns the old
|
||||
// value.
|
||||
func (x *{{ .Name }}) Swap(val {{ .Type }}) (old {{ .Type }}) {
|
||||
{{ if .Pack -}}
|
||||
return {{ .Unpack }}(x.v.Swap({{ .Pack }}(val)))
|
||||
{{- else -}}{{- /* assume go.uber.org/atomic.Value */ -}}
|
||||
return x.v.Swap(val).({{ .Type }})
|
||||
{{- end }}
|
||||
}
|
||||
{{- end }}
|
||||
|
||||
{{ if .JSON -}}
|
||||
// MarshalJSON encodes the wrapped {{ .Type }} into JSON.
|
||||
func (x *{{ .Name }}) MarshalJSON() ([]byte, error) {
|
||||
return json.Marshal(x.Load())
|
||||
}
|
||||
|
||||
// UnmarshalJSON decodes a {{ .Type }} from JSON.
|
||||
func (x *{{ .Name }}) UnmarshalJSON(b []byte) error {
|
||||
var v {{ .Type }}
|
||||
if err := json.Unmarshal(b, &v); err != nil {
|
||||
return err
|
||||
}
|
||||
x.Store(v)
|
||||
return nil
|
||||
}
|
||||
{{- end }}
|
||||
Reference in New Issue
Block a user