42 lines
1.2 KiB
Cheetah
42 lines
1.2 KiB
Cheetah
{{/* SPDX-License-Identifier: Unlicense */ -}}
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{{define "fparams" -}}
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{{with $max := .}}{{range .Count}} f{{.}} func(T{{.}}) Parser[In, {{if eq . $max}}Out{{else}}T{{.Next}}{{end}}],
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{{end}}{{end}}{{end -}}
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{{define "func" -}}
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{{if eq . 1}}// Bind combines p with a parser created by f that depends on p's result value.
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{{- else}}// Bind{{.}} is equivalent to {{.}} nested calls to Bind.{{end}}
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func Bind{{.}}[In, Out{{range .Count}}, T{{.}}{{end}} any](
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p Parser[In, T],
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{{template "fparams" .}}) Parser[In, Out] {
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return func(s State[In]) (Result[In, Out], error) {
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var anyConsumed bool
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var failed bool
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var msg Message
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var next = s
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{{range .Next.Count}}
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r{{.}}, err := {{if eq . 1}}p(next){{else}}f{{.Prev}}(val{{.Prev}})(next){{end}}
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if err != nil {
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return Result[In, Out]{}, err
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}
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anyConsumed = anyConsumed || r{{.}}.Consumed()
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failed, _, msg = r{{.}}.Failed()
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if failed {
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return Fail[In, Out](anyConsumed, msg), nil
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}
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_, _, val{{.}}, next, _ := r{{.}}.Succeeded()
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{{end}}
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return Succeed(anyConsumed, val{{.Next}}, next, MessageOK(s.Pos())), nil
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}
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}{{end -}}
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// GENERATED FILE. DO NOT EDIT.
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// SPDX-License-Identifier: Unlicense
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package {{.Package}}
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{{range .Count}}
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{{template "func" .}}
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{{end}}
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