Function build

build.go:14–43

(k *Kong, ast any)

type Plugins []any

func build(k *Kong, ast any) (app *Application, err error) {
	v := reflect.ValueOf(ast)
	iv := reflect.Indirect(v)
	if v.Kind() != reflect.Ptr || iv.Kind() != reflect.Struct {
		return nil, fmt.Errorf("expected a pointer to a struct but got %T", ast)
	}

	app = &Application{}
	extraFlags := k.extraFlags()
	seenFlags := map[string]bool{}
	for _, flag := range extraFlags {
		seenFlags[flag.Name] = true
	}

	node, err := buildNode(k, iv, ApplicationNode, newEmptyTag(), seenFlags)
	if err != nil {
		return nil, err
	}
	if len(node.Positional) > 0 && len(node.Children) > 0 {
		return nil, fmt.Errorf("can't mix positional arguments and branching arguments on %T", ast)
	}
	if provider, ok := v.Interface().(HelpProvider); ok {
		node.Detail = provider.Help()
	}
	app.Node = node
	app.Node.Flags = append(extraFlags, app.Node.Flags...)
	app.Tag = newEmptyTag()
	app.Tag.Vars = k.vars
	return app, nil
}

func dashedString(s string) string {
	return strings.Join(camelCase(s), "-")