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76 lines
1.4 KiB
76 lines
1.4 KiB
package main
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import (
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"encoding/json"
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"os/exec"
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"strings"
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"text/template"
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"os"
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)
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const (
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tmpl = `package kingpin
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// This file is autogenerated by "go generate .". Do not modify.
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{{range .}}
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// {{if .Comment}}{{.Comment}}{{else}}{{.|Name}} accumulates {{.Type}} values into a slice.{{end}}
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func (p *parserMixin) {{.|Name}}() (target *[]{{.Type}}) {
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target = new([]{{.Type}})
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p.{{.|Name}}Var(target)
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return
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}
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func (p *parserMixin) {{.|Name}}Var(target *[]{{.Type}}) {
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p.SetValue(newAccumulator(target, func(v interface{}) Value { return new{{.Name}}Value(v.(*{{.Type}})) }))
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}
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{{end}}
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`
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)
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type Repeated struct {
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Name string `json:"name"`
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Comment string `json:"comment"`
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Plural string `json:"plural"`
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Type string `json:"type"`
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}
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func fatalIfError(err error) {
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if err != nil {
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panic(err)
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}
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}
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func main() {
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r, err := os.Open("repeated.json")
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fatalIfError(err)
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defer r.Close()
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v := []Repeated{}
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err = json.NewDecoder(r).Decode(&v)
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fatalIfError(err)
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t, err := template.New("genrepeated").Funcs(template.FuncMap{
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"Lower": strings.ToLower,
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"Name": func(v *Repeated) string {
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if v.Plural != "" {
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return v.Plural
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}
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return v.Name + "List"
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},
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}).Parse(tmpl)
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fatalIfError(err)
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w, err := os.Create("repeated.go")
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fatalIfError(err)
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defer w.Close()
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err = t.Execute(w, v)
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fatalIfError(err)
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err = exec.Command("goimports", "-w", "repeated.go").Run()
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fatalIfError(err)
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}
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