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// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
// Use of this source code is governed by the GPL 3.0
package main
import (
"fmt"
"io"
)
// generates Append()
// I like these functions the best.
func (msg *MsgName) simpleAppend(w io.Writer, FRUIT, APPLES, APPLE string) string {
LOCK := msg.getLockname("x")
funcdef := "func (x *" + FRUIT + ") Append(y *" + APPLE + ") *" + APPLE
// log.Printf("\t\t(x %s) APPEND(%s)\n", FRUIT, APPLE)
// append -- no check at all
fmt.Fprintln(w, "// a Append() shortcut (that does Clone() with a mutex) notsure if it really works")
fmt.Fprintln(w, funcdef, "{")
fmt.Fprintln(w, " "+LOCK+".Lock()")
fmt.Fprintln(w, " defer "+LOCK+".Unlock()")
fmt.Fprintln(w, "")
fmt.Fprintln(w, " z := proto.Clone(y).(*"+APPLE+")")
fmt.Fprintln(w, " x."+APPLES+" = append(x."+APPLES+", z)")
fmt.Fprintln(w, "")
fmt.Fprintln(w, " return z")
fmt.Fprintln(w, "}")
fmt.Fprintln(w, "")
return funcdef
}
// Unique Append. rejects Append() if value is already defined
// compares the field 'COLOR' in the STRUCT with VARNAME
// that's not the right description above, but whatever, you get the idea
func (msg *MsgName) simpleAppendBy(w io.Writer, STRUCT, FUNCNAME, STRUCTVAR, VARNAME, VARTYPE string) string {
LOCK := msg.getLockname("x")
funcdef := "func (x *" + STRUCT + ") " + FUNCNAME + "(y *" + VARTYPE + ") bool"
fmt.Fprintln(w, funcdef, "{")
fmt.Fprintln(w, " "+LOCK+".Lock()")
fmt.Fprintln(w, " defer "+LOCK+".Unlock()")
fmt.Fprintln(w, "")
fmt.Fprintln(w, " for _, p := range x."+STRUCTVAR+" {")
fmt.Fprintln(w, " if p."+VARNAME+" == y."+VARNAME+" {")
fmt.Fprintln(w, " return false")
fmt.Fprintln(w, " }")
fmt.Fprintln(w, " }")
fmt.Fprintln(w, "")
fmt.Fprintln(w, " x."+STRUCTVAR+" = append(x."+STRUCTVAR+", proto.Clone(y).(*"+VARTYPE+"))")
fmt.Fprintln(w, " return true")
fmt.Fprintln(w, "}")
fmt.Fprintln(w, "")
return funcdef
}
// I like these functions the best.
func (msg *MsgName) simpleClone(w io.Writer, FRUIT, APPLES, APPLE string) string {
LOCK := msg.getLockname("x")
funcdef := "func (x *" + FRUIT + ") Append(y *" + APPLE + ") *" + APPLE
// log.Printf("\t\t(x %s) CLONE(%s)\n", FRUIT, APPLE)
// append -- no check at all
fmt.Fprintln(w, "// a Clone() shortcut (with a mutex). notsure if it really works")
fmt.Fprintln(w, funcdef, "{")
fmt.Fprintln(w, " "+LOCK+".Lock()")
fmt.Fprintln(w, " defer "+LOCK+".Unlock()")
fmt.Fprintln(w, "")
fmt.Fprintln(w, " z := proto.Clone(y).(*"+APPLE+")")
fmt.Fprintln(w, " x."+APPLES+" = append(x."+APPLES+", z)")
fmt.Fprintln(w, "")
fmt.Fprintln(w, " return z")
fmt.Fprintln(w, "}")
fmt.Fprintln(w, "")
return funcdef
}
// Unique Append. rejects Append() if value is already defined
// compares the field 'COLOR' in the STRUCT with VARNAME
// that's not the right description above, but whatever, you get the idea
func (msg *MsgName) addCloneBy(w io.Writer, STRUCT, FUNCNAME, STRUCTVAR, VARNAME, VARTYPE string) string {
LOCK := msg.getLockname("x")
funcdef := "func (x *" + STRUCT + ") " + FUNCNAME + "(y *" + VARTYPE + ") bool"
fmt.Fprintln(w, funcdef, "{")
fmt.Fprintln(w, " "+LOCK+".Lock()")
fmt.Fprintln(w, " defer "+LOCK+".Unlock()")
fmt.Fprintln(w, "")
fmt.Fprintln(w, " for _, p := range x."+STRUCTVAR+" {")
fmt.Fprintln(w, " if p."+VARNAME+" == y."+VARNAME+" {")
fmt.Fprintln(w, " return false")
fmt.Fprintln(w, " }")
fmt.Fprintln(w, " }")
fmt.Fprintln(w, "")
fmt.Fprintln(w, " x."+STRUCTVAR+" = append(x."+STRUCTVAR+", proto.Clone(y).(*"+VARTYPE+"))")
fmt.Fprintln(w, " return true")
fmt.Fprintln(w, "}")
fmt.Fprintln(w, "")
return funcdef
}
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