2025-02-01 11:41:48 -06:00
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// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
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// Use of this source code is governed by the GPL 3.0
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2025-01-19 02:36:32 -06:00
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package main
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import (
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"fmt"
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"io"
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)
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// generate Delete() functions
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func (msg *MsgName) addDeleteFunc(w io.Writer, FRUIT, APPLES, APPLE string) string {
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LOCK := msg.getLockname("x")
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funcdef := "func (x *" + FRUIT + ") Delete(y *" + APPLE + ") bool"
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fmt.Fprintln(w, funcdef, "{")
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fmt.Fprintln(w, " "+LOCK+".Lock()")
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fmt.Fprintln(w, " defer "+LOCK+".Unlock()")
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fmt.Fprintln(w, "")
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fmt.Fprintln(w, " for i, _ := range x."+APPLES+" {")
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fmt.Fprintln(w, " if x."+APPLES+"[i] == y {")
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fmt.Fprintln(w, " x."+APPLES+"[i] = x."+APPLES+"[len(x."+APPLES+")-1]")
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fmt.Fprintln(w, " x."+APPLES+" = x."+APPLES+"[:len(x."+APPLES+")-1]")
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fmt.Fprintln(w, " return true")
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fmt.Fprintln(w, " }")
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fmt.Fprintln(w, " }")
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fmt.Fprintln(w, " return false")
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fmt.Fprintln(w, "}")
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fmt.Fprintln(w, "")
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return funcdef
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}
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func (msg *MsgName) deleteBy(w io.Writer, FRUIT, APPLES, APPLE, COLOR, FUNCNAME, VARNAME string) string {
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LOCK := msg.getLockname("x")
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funcdef := "func (x *" + FRUIT + ") " + FUNCNAME + "(s string) bool"
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fmt.Fprintln(w, funcdef, "{")
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fmt.Fprintln(w, " "+LOCK+".Lock()")
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fmt.Fprintln(w, " defer "+LOCK+".Unlock()")
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fmt.Fprintln(w, "")
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fmt.Fprintln(w, " for i, _ := range x."+APPLES+" {")
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fmt.Fprintln(w, " if x."+APPLES+"[i]."+VARNAME+" == s {")
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fmt.Fprintln(w, " x."+APPLES+"[i] = x."+APPLES+"[len(x."+APPLES+")-1]")
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fmt.Fprintln(w, " x."+APPLES+" = x."+APPLES+"[:len(x."+APPLES+")-1]")
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fmt.Fprintln(w, " return true")
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fmt.Fprintln(w, " }")
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fmt.Fprintln(w, " }")
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fmt.Fprintln(w, " return false")
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fmt.Fprintln(w, "}")
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fmt.Fprintln(w, "")
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return funcdef
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}
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// this tries to return the deleted one but is wrong/gives warning if mutex lock is in struct
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func (msg *MsgName) deleteByWithCopy(w io.Writer, FRUIT, APPLES, APPLE, COLOR, FUNCNAME, VARNAME string) string {
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LOCK := msg.getLockname("x")
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funcdef := "func (x *" + FRUIT + ") " + FUNCNAME + "(s string) *" + APPLE
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fmt.Fprintln(w, "// TESTING fails with 'go vet' warning")
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fmt.Fprintln(w, funcdef, "{")
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fmt.Fprintln(w, " "+LOCK+".Lock()")
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fmt.Fprintln(w, " defer "+LOCK+".Unlock()")
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fmt.Fprintln(w, "")
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fmt.Fprintln(w, " var newr "+APPLE)
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fmt.Fprintln(w, "")
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fmt.Fprintln(w, " for i, _ := range x."+APPLES+" {")
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fmt.Fprintln(w, " if x."+APPLES+"[i]."+VARNAME+" == s {")
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fmt.Fprintln(w, " newr = *x."+APPLES+"[i]")
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fmt.Fprintln(w, " x."+APPLES+"[i] = x."+APPLES+"[len(x."+APPLES+")-1]")
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fmt.Fprintln(w, " x."+APPLES+" = x."+APPLES+"[:len(x."+APPLES+")-1]")
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fmt.Fprintln(w, " return &newr")
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fmt.Fprintln(w, " }")
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fmt.Fprintln(w, " }")
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fmt.Fprintln(w, " return nil")
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fmt.Fprintln(w, "}")
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fmt.Fprintln(w, "")
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return funcdef
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}
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