91 lines
2.9 KiB
Cheetah
91 lines
2.9 KiB
Cheetah
{{var "v"}} := {{if not isArray}}*{{end}}{{ .Varname }}
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{{var "h"}}, {{var "l"}} := z.DecSliceHelperStart() {{/* // helper, containerLenS */}}
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{{if not isArray -}}
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var {{var "c"}} bool {{/* // changed */}}
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_ = {{var "c"}}
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if {{var "h"}}.IsNil {
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if {{var "v"}} != nil {
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{{var "v"}} = nil
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{{var "c"}} = true
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}
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} else {{end -}}
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if {{var "l"}} == 0 {
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{{if isSlice -}}
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if {{var "v"}} == nil {
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{{var "v"}} = []{{ .Typ }}{}
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{{var "c"}} = true
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} else if len({{var "v"}}) != 0 {
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{{var "v"}} = {{var "v"}}[:0]
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{{var "c"}} = true
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} {{else if isChan }}if {{var "v"}} == nil {
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{{var "v"}} = make({{ .CTyp }}, 0)
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{{var "c"}} = true
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}
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{{end -}}
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} else {
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{{var "hl"}} := {{var "l"}} > 0
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var {{var "rl"}} int
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_ = {{var "rl"}}
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{{if isSlice }} if {{var "hl"}} {
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if {{var "l"}} > cap({{var "v"}}) {
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{{var "rl"}} = z.DecInferLen({{var "l"}}, z.DecBasicHandle().MaxInitLen, {{ .Size }})
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if {{var "rl"}} <= cap({{var "v"}}) {
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{{var "v"}} = {{var "v"}}[:{{var "rl"}}]
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} else {
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{{var "v"}} = make([]{{ .Typ }}, {{var "rl"}})
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}
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{{var "c"}} = true
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} else if {{var "l"}} != len({{var "v"}}) {
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{{var "v"}} = {{var "v"}}[:{{var "l"}}]
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{{var "c"}} = true
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}
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}
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{{end -}}
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var {{var "j"}} int
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{{/* // var {{var "dn"}} bool */ -}}
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for {{var "j"}} = 0; ({{var "hl"}} && {{var "j"}} < {{var "l"}}) || !({{var "hl"}} || z.DecCheckBreak()); {{var "j"}}++ { // bounds-check-elimination
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{{if not isArray}} if {{var "j"}} == 0 && {{var "v"}} == nil {
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if {{var "hl"}} {
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{{var "rl"}} = z.DecInferLen({{var "l"}}, z.DecBasicHandle().MaxInitLen, {{ .Size }})
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} else {
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{{var "rl"}} = {{if isSlice}}8{{else if isChan}}64{{end}}
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}
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{{var "v"}} = make({{if isSlice}}[]{{ .Typ }}{{else if isChan}}{{.CTyp}}{{end}}, {{var "rl"}})
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{{var "c"}} = true
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}
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{{end -}}
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{{var "h"}}.ElemContainerState({{var "j"}})
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{{/* {{var "dn"}} = r.TryDecodeAsNil() */}}{{/* commented out, as decLineVar handles this already each time */ -}}
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{{if isChan}}{{ $x := printf "%[1]vvcx%[2]v" .TempVar .Rand }}var {{$x}} {{ .Typ }}
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{{ decLineVar $x -}}
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{{var "v"}} <- {{ $x }}
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{{else}}{{/* // if indefinite, etc, then expand the slice if necessary */ -}}
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var {{var "db"}} bool
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if {{var "j"}} >= len({{var "v"}}) {
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{{if isSlice }} {{var "v"}} = append({{var "v"}}, {{ zero }})
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{{var "c"}} = true
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{{else}} z.DecArrayCannotExpand(len(v), {{var "j"}}+1); {{var "db"}} = true
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{{end -}}
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}
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if {{var "db"}} {
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z.DecSwallow()
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} else {
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{{ $x := printf "%[1]vv%[2]v[%[1]vj%[2]v]" .TempVar .Rand }}{{ decLineVar $x -}}
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}
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{{end -}}
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}
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{{if isSlice}} if {{var "j"}} < len({{var "v"}}) {
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{{var "v"}} = {{var "v"}}[:{{var "j"}}]
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{{var "c"}} = true
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} else if {{var "j"}} == 0 && {{var "v"}} == nil {
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{{var "v"}} = []{{ .Typ }}{}
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{{var "c"}} = true
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}
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{{end -}}
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}
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{{var "h"}}.End()
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{{if not isArray }}if {{var "c"}} {
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*{{ .Varname }} = {{var "v"}}
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}
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{{end -}}
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