module Prism
  interface _CodeUnitsCache
    def []: (Integer byte_offset) -> Integer
  end

  class Source
    attr_reader source: String
    attr_reader start_line: Integer
    attr_reader offsets: Array[Integer]

    def initialize: (String source, ?Integer start_line, ?Array[Integer] offsets) -> void
    def replace_start_line: (Integer start_line) -> void
    def replace_offsets: (Array[Integer] offsets) -> void
    def encoding: () -> Encoding
    def lines: () -> Array[String]
    def slice: (Integer byte_offset, Integer length) -> String
    def line: (Integer byte_offset) -> Integer
    def line_start: (Integer byte_offset) -> Integer
    def line_end: (Integer byte_offset) -> Integer
    def line_offset: (Integer byte_offset) -> Integer
    def column: (Integer byte_offset) -> Integer
    def character_offset: (Integer byte_offset) -> Integer
    def character_column: (Integer byte_offset) -> Integer
    def code_units_offset: (Integer byte_offset, Encoding encoding) -> Integer
    def code_units_cache: (Encoding encoding) -> _CodeUnitsCache
    def code_units_column: (Integer byte_offset, Encoding encoding) -> Integer
    def deep_freeze: () -> void

    def self.for: (String source) -> Source
  end

  class CodeUnitsCache
    def initialize: (String source, Encoding encoding) -> void
    def []: (Integer byte_offset) -> Integer
  end

  class ASCIISource < Source
    def character_offset: (Integer byte_offset) -> Integer
    def character_column: (Integer byte_offset) -> Integer
    def code_units_offset: (Integer byte_offset, Encoding encoding) -> Integer
    def code_units_cache: (Encoding encoding) -> _CodeUnitsCache
    def code_units_column: (Integer byte_offset, Encoding encoding) -> Integer
  end

  class Location
    attr_reader source: Source
    attr_reader start_offset: Integer
    attr_reader length: Integer

    def initialize: (Source source, Integer start_offset, Integer length) -> void
    def leading_comments: () -> Array[comment]
    def leading_comment: (comment) -> void
    def trailing_comments: () -> Array[comment]
    def trailing_comment: (comment) -> void
    def comments: () -> Array[comment]
    def copy: (?source: Source, ?start_offset: Integer, ?length: Integer) -> Location
    def chop: () -> Location
    def source_lines: () -> Array[String]
    def slice: () -> String
    def slice_lines: () -> String
    def start_character_offset: () -> Integer
    def start_code_units_offset: (Encoding encoding) -> Integer
    def cached_start_code_units_offset: (_CodeUnitsCache cache) -> Integer
    def end_offset: () -> Integer
    def end_character_offset: () -> Integer
    def end_code_units_offset: (Encoding encoding) -> Integer
    def cached_end_code_units_offset: (_CodeUnitsCache cache) -> Integer
    def start_line: () -> Integer
    def start_line_slice: () -> String
    def end_line: () -> Integer
    def start_column: () -> Integer
    def start_character_column: () -> Integer
    def start_code_units_column: (Encoding encoding) -> Integer
    def cached_start_code_units_column: (_CodeUnitsCache cache) -> Integer
    def end_column: () -> Integer
    def end_character_column: () -> Integer
    def end_code_units_column: (Encoding encoding) -> Integer
    def cached_end_code_units_column: (_CodeUnitsCache cache) -> Integer
    def deconstruct_keys: (Array[Symbol]? keys) -> Hash[Symbol, untyped]
    def pretty_print: (untyped q) -> untyped
    def join: (Location other) -> Location
    def adjoin: (String string) -> Location
  end

  class Comment
    attr_reader location: Location

    def initialize: (Location location) -> void
    def deconstruct_keys: (Array[Symbol]? keys) -> Hash[Symbol, untyped]
    def slice: () -> String
  end

  interface _Comment
    def trailing?: () -> bool
  end

  type comment = Comment & _Comment

  class InlineComment < Comment
    include _Comment
  end

  class EmbDocComment < Comment
    include _Comment
  end

  class MagicComment
    attr_reader key_loc: Location
    attr_reader value_loc: Location

    def initialize: (Location key_loc, Location value_loc) -> void

    def key: () -> String
    def value: () -> String

    def deconstruct_keys: (Array[Symbol]? keys) -> Hash[Symbol, untyped]
  end

  class ParseError
    attr_reader type: Symbol
    attr_reader message: String
    attr_reader location: Location
    attr_reader level: Symbol

    def initialize: (Symbol type, String message, Location location, Symbol level) -> void
    def deconstruct_keys: (Array[Symbol]? keys) -> Hash[Symbol, untyped]
  end

  class ParseWarning
    attr_reader type: Symbol
    attr_reader message: String
    attr_reader location: Location
    attr_reader level: Symbol

    def initialize: (Symbol type, String message, Location location, Symbol level) -> void
    def deconstruct_keys: (Array[Symbol]? keys) -> Hash[Symbol, untyped]
  end

  class Result
    attr_reader comments: Array[comment]
    attr_reader magic_comments: Array[MagicComment]
    attr_reader data_loc: Location?
    attr_reader errors: Array[ParseError]
    attr_reader warnings: Array[ParseWarning]
    attr_reader source: Source

    def initialize: (Array[comment] comments, Array[MagicComment] magic_comments, Location? data_loc, Array[ParseError] errors, Array[ParseWarning] warnings, Source source) -> void
    def deconstruct_keys: (Array[Symbol]? keys) -> Hash[Symbol, untyped]
    def encoding: () -> Encoding
    def success?: () -> bool
    def failure?: () -> bool
    def code_units_cache: (Encoding encoding) -> _CodeUnitsCache
  end

  class ParseResult < Result
    attr_reader value: ProgramNode

    def initialize: (ProgramNode value, Array[comment] comments, Array[MagicComment] magic_comments, Location? data_loc, Array[ParseError] errors, Array[ParseWarning] warnings, Source source) -> void
    def deconstruct_keys: (Array[Symbol]? keys) -> Hash[Symbol, untyped]
    def errors_format: () -> String
  end

  class LexResult < Result
    attr_reader value: Array[[Token, Integer]]

    def initialize: (Array[[Token, Integer]] value, Array[comment] comments, Array[MagicComment] magic_comments, Location? data_loc, Array[ParseError] errors, Array[ParseWarning] warnings, Source source) -> void
    def deconstruct_keys: (Array[Symbol]? keys) -> Hash[Symbol, untyped]
  end

  class ParseLexResult < Result
    attr_reader value: [ProgramNode, Array[[Token, Integer]]]

    def initialize: ([ProgramNode, Array[[Token, Integer]]] value, Array[comment] comments, Array[MagicComment] magic_comments, Location? data_loc, Array[ParseError] errors, Array[ParseWarning] warnings, Source source) -> void
    def deconstruct_keys: (Array[Symbol]? keys) -> Hash[Symbol, untyped]
  end

  class Token
    attr_reader source: Source
    attr_reader type: Symbol
    attr_reader value: String
    attr_reader location: Location

    def initialize: (Source source, Symbol type, String value, Location location) -> void
    def deconstruct_keys: (Array[Symbol]? keys) -> Hash[Symbol, untyped]
    def pretty_print: (untyped q) -> untyped
    def ==: (untyped other) -> bool
    def deep_freeze: () -> void
  end

  class Scope
    attr_reader locals: Array[Symbol]
    attr_reader forwarding: Array[Symbol]

    def initialize: (Array[Symbol] locals, Array[Symbol] forwarding) -> void
  end
end