ast

type Annotation struct {
	BeforeUseless *string    `(~(Comment | "@"))*`
	Comments      []*Comment `@@*`
	Name          Name       `"@" @@`
	Params        *Params    `@@?`
	Extends       *Extends   `@@?`
	Comment       *Comment   `@@?`
	AfterUseless  *string    `(~(Comment | "@"))*`
}

type AnnotationExtend struct {
	Pos      lexer.Position
	Comments []*Comment `@@*`
	Name     Name       `@@`
	Values   []Value    `("(" @@* ")")?`
	Value    Value      `("=" @@)? ","?`
	Comment  *Comment   `@@?`
}

type AnnotationGroup struct {
	Annotations []*Annotation `@@*`
}

type AnnotationParam struct {
	Pos      lexer.Position
	Comments []*Comment `@@*`
	Key      Key        `@@`
	Value    Value      `@@? ","?`
	Comment  *Comment   `@@?`
}

type BaseGenerator[T any] struct {
	Tmpl     *template.Template
	DataList []*T
}

type Bool struct {
	V Boolean `@("true" | "false") ","? `
}

type Boolean bool

type ClosedBracket struct {
	Pos           lexer.Position
	ClosedBracket string `"}"`
}

type ClosedParenthesis struct {
	Pos               lexer.Position
	ClosedParenthesis string `")"`
}

type Comment struct {
	Pos  lexer.Position
	Text string `@Comment`
}

type Extends struct {
	List          []*AnnotationExtend `"{" @@*`
	ClosedBracket ClosedBracket       `@@`
}

type Float struct {
	V float64 `@Float ","? `
}

type Generator interface {
	GetImports() []string
	WriteConst(wr io.Writer) error
	WriteInitFunc(wr io.Writer) error
	WriteBody(wr io.Writer) error
	ExecuteTemplate(wr io.Writer, name string) error
}

type Int struct {
	V int `@(("-" | "+")? Int) ","? `
}

type Key struct {
	Pos  lexer.Position
	Text string `@Ident "="?`
}

type Name struct {
	Pos  lexer.Position
	Text string `@Ident`
}

type Params struct {
	List              []*AnnotationParam `"(" @@*`
	ClosedParenthesis ClosedParenthesis  `@@`
}

type String struct {
	V string `@(String | Ident) ","? `
}

type Uint struct {
	V uint `@Int ","? `
}

type Value interface{ Value() any }