parser: closure syntax use '!' instead of 'with'

[nit.git] / src / parser / lexer.nit

# Lexer and its tokens.
# This file was generated by SableCC (http://www.sablecc.org/).
package lexer

intrude import parser_nodes

redef class Token
    readable writable var _text: String

    fun parser_index: Int is abstract

    redef fun to_s: String do
        return "'{_text}'"
    end
end

redef class TEol
    redef fun parser_index: Int
    do
        return 0
    end

    init init_tk(text: String, loc: Location)
    do
        _text = text
                _location = loc
    end
end

redef class TComment
    redef fun parser_index: Int
    do
        return 1
    end

    init init_tk(text: String, loc: Location)
    do
        _text = text
                _location = loc
    end
end

redef class TKwpackage
    redef fun parser_index: Int
    do
        return 2
    end

    init init_tk(loc: Location)
    do
        _text = once "package"
                _location = loc
    end
end

redef class TKwimport
    redef fun parser_index: Int
    do
        return 3
    end

    init init_tk(loc: Location)
    do
        _text = once "import"
                _location = loc
    end
end

redef class TKwclass
    redef fun parser_index: Int
    do
        return 4
    end

    init init_tk(loc: Location)
    do
        _text = once "class"
                _location = loc
    end
end

redef class TKwabstract
    redef fun parser_index: Int
    do
        return 5
    end

    init init_tk(loc: Location)
    do
        _text = once "abstract"
                _location = loc
    end
end

redef class TKwinterface
    redef fun parser_index: Int
    do
        return 6
    end

    init init_tk(loc: Location)
    do
        _text = once "interface"
                _location = loc
    end
end

redef class TKwuniversal
    redef fun parser_index: Int
    do
        return 7
    end

    init init_tk(loc: Location)
    do
        _text = once "universal"
                _location = loc
    end
end

redef class TKwspecial
    redef fun parser_index: Int
    do
        return 8
    end

    init init_tk(loc: Location)
    do
        _text = once "special"
                _location = loc
    end
end

redef class TKwend
    redef fun parser_index: Int
    do
        return 9
    end

    init init_tk(loc: Location)
    do
        _text = once "end"
                _location = loc
    end
end

redef class TKwmeth
    redef fun parser_index: Int
    do
        return 10
    end

    init init_tk(loc: Location)
    do
        _text = once "fun"
                _location = loc
    end
end

redef class TKwtype
    redef fun parser_index: Int
    do
        return 11
    end

    init init_tk(loc: Location)
    do
        _text = once "type"
                _location = loc
    end
end

redef class TKwinit
    redef fun parser_index: Int
    do
        return 12
    end

    init init_tk(loc: Location)
    do
        _text = once "init"
                _location = loc
    end
end

redef class TKwredef
    redef fun parser_index: Int
    do
        return 13
    end

    init init_tk(loc: Location)
    do
        _text = once "redef"
                _location = loc
    end
end

redef class TKwis
    redef fun parser_index: Int
    do
        return 14
    end

    init init_tk(loc: Location)
    do
        _text = once "is"
                _location = loc
    end
end

redef class TKwdo
    redef fun parser_index: Int
    do
        return 15
    end

    init init_tk(loc: Location)
    do
        _text = once "do"
                _location = loc
    end
end

redef class TKwreadable
    redef fun parser_index: Int
    do
        return 16
    end

    init init_tk(loc: Location)
    do
        _text = once "readable"
                _location = loc
    end
end

redef class TKwwritable
    redef fun parser_index: Int
    do
        return 17
    end

    init init_tk(loc: Location)
    do
        _text = once "writable"
                _location = loc
    end
end

redef class TKwvar
    redef fun parser_index: Int
    do
        return 18
    end

    init init_tk(loc: Location)
    do
        _text = once "var"
                _location = loc
    end
end

redef class TKwintern
    redef fun parser_index: Int
    do
        return 19
    end

    init init_tk(loc: Location)
    do
        _text = once "intern"
                _location = loc
    end
end

redef class TKwextern
    redef fun parser_index: Int
    do
        return 20
    end

    init init_tk(loc: Location)
    do
        _text = once "extern"
                _location = loc
    end
end

redef class TKwprotected
    redef fun parser_index: Int
    do
        return 21
    end

    init init_tk(loc: Location)
    do
        _text = once "protected"
                _location = loc
    end
end

redef class TKwprivate
    redef fun parser_index: Int
    do
        return 22
    end

    init init_tk(loc: Location)
    do
        _text = once "private"
                _location = loc
    end
end

redef class TKwintrude
    redef fun parser_index: Int
    do
        return 23
    end

    init init_tk(loc: Location)
    do
        _text = once "intrude"
                _location = loc
    end
end

redef class TKwif
    redef fun parser_index: Int
    do
        return 24
    end

    init init_tk(loc: Location)
    do
        _text = once "if"
                _location = loc
    end
end

redef class TKwthen
    redef fun parser_index: Int
    do
        return 25
    end

    init init_tk(loc: Location)
    do
        _text = once "then"
                _location = loc
    end
end

redef class TKwelse
    redef fun parser_index: Int
    do
        return 26
    end

    init init_tk(loc: Location)
    do
        _text = once "else"
                _location = loc
    end
end

redef class TKwwhile
    redef fun parser_index: Int
    do
        return 27
    end

    init init_tk(loc: Location)
    do
        _text = once "while"
                _location = loc
    end
end

redef class TKwfor
    redef fun parser_index: Int
    do
        return 28
    end

    init init_tk(loc: Location)
    do
        _text = once "for"
                _location = loc
    end
end

redef class TKwin
    redef fun parser_index: Int
    do
        return 29
    end

    init init_tk(loc: Location)
    do
        _text = once "in"
                _location = loc
    end
end

redef class TKwand
    redef fun parser_index: Int
    do
        return 30
    end

    init init_tk(loc: Location)
    do
        _text = once "and"
                _location = loc
    end
end

redef class TKwor
    redef fun parser_index: Int
    do
        return 31
    end

    init init_tk(loc: Location)
    do
        _text = once "or"
                _location = loc
    end
end

redef class TKwnot
    redef fun parser_index: Int
    do
        return 32
    end

    init init_tk(loc: Location)
    do
        _text = once "not"
                _location = loc
    end
end

redef class TKwreturn
    redef fun parser_index: Int
    do
        return 33
    end

    init init_tk(loc: Location)
    do
        _text = once "return"
                _location = loc
    end
end

redef class TKwcontinue
    redef fun parser_index: Int
    do
        return 34
    end

    init init_tk(loc: Location)
    do
        _text = once "continue"
                _location = loc
    end
end

redef class TKwbreak
    redef fun parser_index: Int
    do
        return 35
    end

    init init_tk(loc: Location)
    do
        _text = once "break"
                _location = loc
    end
end

redef class TKwabort
    redef fun parser_index: Int
    do
        return 36
    end

    init init_tk(loc: Location)
    do
        _text = once "abort"
                _location = loc
    end
end

redef class TKwassert
    redef fun parser_index: Int
    do
        return 37
    end

    init init_tk(loc: Location)
    do
        _text = once "assert"
                _location = loc
    end
end

redef class TKwnew
    redef fun parser_index: Int
    do
        return 38
    end

    init init_tk(loc: Location)
    do
        _text = once "new"
                _location = loc
    end
end

redef class TKwisa
    redef fun parser_index: Int
    do
        return 39
    end

    init init_tk(loc: Location)
    do
        _text = once "isa"
                _location = loc
    end
end

redef class TKwonce
    redef fun parser_index: Int
    do
        return 40
    end

    init init_tk(loc: Location)
    do
        _text = once "once"
                _location = loc
    end
end

redef class TKwsuper
    redef fun parser_index: Int
    do
        return 41
    end

    init init_tk(loc: Location)
    do
        _text = once "super"
                _location = loc
    end
end

redef class TKwself
    redef fun parser_index: Int
    do
        return 42
    end

    init init_tk(loc: Location)
    do
        _text = once "self"
                _location = loc
    end
end

redef class TKwtrue
    redef fun parser_index: Int
    do
        return 43
    end

    init init_tk(loc: Location)
    do
        _text = once "true"
                _location = loc
    end
end

redef class TKwfalse
    redef fun parser_index: Int
    do
        return 44
    end

    init init_tk(loc: Location)
    do
        _text = once "false"
                _location = loc
    end
end

redef class TKwnull
    redef fun parser_index: Int
    do
        return 45
    end

    init init_tk(loc: Location)
    do
        _text = once "null"
                _location = loc
    end
end

redef class TKwas
    redef fun parser_index: Int
    do
        return 46
    end

    init init_tk(loc: Location)
    do
        _text = once "as"
                _location = loc
    end
end

redef class TKwnullable
    redef fun parser_index: Int
    do
        return 47
    end

    init init_tk(loc: Location)
    do
        _text = once "nullable"
                _location = loc
    end
end

redef class TKwisset
    redef fun parser_index: Int
    do
        return 48
    end

    init init_tk(loc: Location)
    do
        _text = once "isset"
                _location = loc
    end
end

redef class TKwlabel
    redef fun parser_index: Int
    do
        return 49
    end

    init init_tk(loc: Location)
    do
        _text = once "label"
                _location = loc
    end
end

redef class TOpar
    redef fun parser_index: Int
    do
        return 50
    end

    init init_tk(loc: Location)
    do
        _text = once "("
                _location = loc
    end
end

redef class TCpar
    redef fun parser_index: Int
    do
        return 51
    end

    init init_tk(loc: Location)
    do
        _text = once ")"
                _location = loc
    end
end

redef class TObra
    redef fun parser_index: Int
    do
        return 52
    end

    init init_tk(loc: Location)
    do
        _text = once "["
                _location = loc
    end
end

redef class TCbra
    redef fun parser_index: Int
    do
        return 53
    end

    init init_tk(loc: Location)
    do
        _text = once "]"
                _location = loc
    end
end

redef class TComma
    redef fun parser_index: Int
    do
        return 54
    end

    init init_tk(loc: Location)
    do
        _text = once ","
                _location = loc
    end
end

redef class TColumn
    redef fun parser_index: Int
    do
        return 55
    end

    init init_tk(loc: Location)
    do
        _text = once ":"
                _location = loc
    end
end

redef class TQuad
    redef fun parser_index: Int
    do
        return 56
    end

    init init_tk(loc: Location)
    do
        _text = once "::"
                _location = loc
    end
end

redef class TAssign
    redef fun parser_index: Int
    do
        return 57
    end

    init init_tk(loc: Location)
    do
        _text = once "="
                _location = loc
    end
end

redef class TPluseq
    redef fun parser_index: Int
    do
        return 58
    end

    init init_tk(loc: Location)
    do
        _text = once "+="
                _location = loc
    end
end

redef class TMinuseq
    redef fun parser_index: Int
    do
        return 59
    end

    init init_tk(loc: Location)
    do
        _text = once "-="
                _location = loc
    end
end

redef class TDotdotdot
    redef fun parser_index: Int
    do
        return 60
    end

    init init_tk(loc: Location)
    do
        _text = once "..."
                _location = loc
    end
end

redef class TDotdot
    redef fun parser_index: Int
    do
        return 61
    end

    init init_tk(loc: Location)
    do
        _text = once ".."
                _location = loc
    end
end

redef class TDot
    redef fun parser_index: Int
    do
        return 62
    end

    init init_tk(loc: Location)
    do
        _text = once "."
                _location = loc
    end
end

redef class TPlus
    redef fun parser_index: Int
    do
        return 63
    end

    init init_tk(loc: Location)
    do
        _text = once "+"
                _location = loc
    end
end

redef class TMinus
    redef fun parser_index: Int
    do
        return 64
    end

    init init_tk(loc: Location)
    do
        _text = once "-"
                _location = loc
    end
end

redef class TStar
    redef fun parser_index: Int
    do
        return 65
    end

    init init_tk(loc: Location)
    do
        _text = once "*"
                _location = loc
    end
end

redef class TSlash
    redef fun parser_index: Int
    do
        return 66
    end

    init init_tk(loc: Location)
    do
        _text = once "/"
                _location = loc
    end
end

redef class TPercent
    redef fun parser_index: Int
    do
        return 67
    end

    init init_tk(loc: Location)
    do
        _text = once "%"
                _location = loc
    end
end

redef class TEq
    redef fun parser_index: Int
    do
        return 68
    end

    init init_tk(loc: Location)
    do
        _text = once "=="
                _location = loc
    end
end

redef class TNe
    redef fun parser_index: Int
    do
        return 69
    end

    init init_tk(loc: Location)
    do
        _text = once "!="
                _location = loc
    end
end

redef class TLt
    redef fun parser_index: Int
    do
        return 70
    end

    init init_tk(loc: Location)
    do
        _text = once "<"
                _location = loc
    end
end

redef class TLe
    redef fun parser_index: Int
    do
        return 71
    end

    init init_tk(loc: Location)
    do
        _text = once "<="
                _location = loc
    end
end

redef class TGt
    redef fun parser_index: Int
    do
        return 72
    end

    init init_tk(loc: Location)
    do
        _text = once ">"
                _location = loc
    end
end

redef class TGe
    redef fun parser_index: Int
    do
        return 73
    end

    init init_tk(loc: Location)
    do
        _text = once ">="
                _location = loc
    end
end

redef class TStarship
    redef fun parser_index: Int
    do
        return 74
    end

    init init_tk(loc: Location)
    do
        _text = once "<=>"
                _location = loc
    end
end

redef class TBang
    redef fun parser_index: Int
    do
        return 75
    end

    init init_tk(loc: Location)
    do
        _text = once "!"
                _location = loc
    end
end

redef class TClassid
    redef fun parser_index: Int
    do
        return 76
    end

    init init_tk(text: String, loc: Location)
    do
        _text = text
                _location = loc
    end
end

redef class TId
    redef fun parser_index: Int
    do
        return 77
    end

    init init_tk(text: String, loc: Location)
    do
        _text = text
                _location = loc
    end
end

redef class TAttrid
    redef fun parser_index: Int
    do
        return 78
    end

    init init_tk(text: String, loc: Location)
    do
        _text = text
                _location = loc
    end
end

redef class TNumber
    redef fun parser_index: Int
    do
        return 79
    end

    init init_tk(text: String, loc: Location)
    do
        _text = text
                _location = loc
    end
end

redef class TFloat
    redef fun parser_index: Int
    do
        return 80
    end

    init init_tk(text: String, loc: Location)
    do
        _text = text
                _location = loc
    end
end

redef class TChar
    redef fun parser_index: Int
    do
        return 81
    end

    init init_tk(text: String, loc: Location)
    do
        _text = text
                _location = loc
    end
end

redef class TString
    redef fun parser_index: Int
    do
        return 82
    end

    init init_tk(text: String, loc: Location)
    do
        _text = text
                _location = loc
    end
end

redef class TStartString
    redef fun parser_index: Int
    do
        return 83
    end

    init init_tk(text: String, loc: Location)
    do
        _text = text
                _location = loc
    end
end

redef class TMidString
    redef fun parser_index: Int
    do
        return 84
    end

    init init_tk(text: String, loc: Location)
    do
        _text = text
                _location = loc
    end
end

redef class TEndString
    redef fun parser_index: Int
    do
        return 85
    end

    init init_tk(text: String, loc: Location)
    do
        _text = text
                _location = loc
    end
end


redef class EOF
    redef fun parser_index: Int
    do
        return 86
    end

    init(loc: Location)
    do
        _text = ""
                _location = loc
    end
end

redef class AError
    readable writable var _message: String

    init init_error(message: String, loc: Location)
    do
                init(loc)
                _message = message
    end
end


# The lexer extract NIT tokens from an input stream.
# It is better user with the Parser
class Lexer
        # Last peeked token
        var _token: nullable Token

        # Lexer current state
        var _state: Int = 0

        # Name of the stream (as given to tokens)
        readable var _filename: String

        # Input stream where character are read
        var _stream: IStream

        # Pushback buffer to store unread character
        var _stream_buf: Buffer

        # Number of character stored in the pushback buffer
        var _stream_pos: Int

        # Current line number in the input stream
        var _line: Int = 0

        # Current column in the input stream
        var _pos: Int = 0

        # Was the last character a cariage-return?
        var _cr: Bool = false

        # If the end of stream?
        var _eof: Bool = false

        # Current working text read from the input stream
        var _text: Buffer

        # Constante state values
        private fun state_initial: Int do return 0 end

        # Create a new lexer for a stream (and a name)
        init(stream: IStream, fname: String)
        do
                _filename = fname
                _text = new Buffer
                _stream = stream
                _stream_pos = -1
                _stream_buf = new Buffer
                build_goto_table
                build_accept_table
        end

        # Give the next token (but do not consume it)
        fun peek: Token
        do
                while _token == null do
                        _token = get_token
                end
                return _token.as(not null)
        end

        # Give and consume the next token
        fun next: Token
        do
                var result = _token
                while result == null do
                        result = get_token
                end
                _token = null
                return result.as(not null)
        end

        # Get a token, or null if it is discarded
        private fun get_token: nullable Token
        do
                var dfa_state = 0

                var start_pos = _pos
                var start_line = _line

                var accept_state = -1
                var accept_token = -1
                var accept_length = -1
                var accept_pos = -1
                var accept_line = -1

                var goto_table = _goto_table[_state]
                var accept = _accept_table[_state]
                var text = _text
                text.clear

                while true do
                        var c = get_char

                        if c != -1 then
                                var cr = _cr
                                var line = _line
                                var pos = _pos
                                if c == 10 then
                                        if cr then
                                                cr = false
                                        else
                                                line = line + 1
                                                pos = 0
                                        end
                                else if c == 13 then
                                        line = line + 1
                                        pos = 0
                                        cr = true
                                else
                                        pos = pos + 1
                                        cr = false
                                end

                                text.add(c.ascii)

                                var first_loop = true # aka until
                                while dfa_state < -1 or first_loop do
                                        var old_state = dfa_state
                                        if dfa_state < -1 then
                                                old_state = -2 - dfa_state
                                        end

                                        dfa_state = -1

                                        var tmp0 = goto_table[old_state]
                                        var low = 0
                                        var high = tmp0.length - 1

                                        if high >= 0 then
                                                var tmp1 = tmp0.intern_items
                                                while low <= high do
                                                        var middle = (low + high) / 2
                                                        var tmp2 = tmp1[middle].intern_items

                                                        if c < tmp2[0] then
                                                                high = middle - 1
                                                        else if c > tmp2[1] then
                                                                low = middle + 1
                                                        else
                                                                dfa_state = tmp2[2]
                                                                low = high + 1 # aka break
                                                        end
                                                end
                                        end
                                        first_loop = false # aka until
                                end

                                _cr = cr
                                _line = line
                                _pos = pos
                        else
                                dfa_state = -1
                        end

                        if dfa_state >= 0 then
                                if accept[dfa_state] != -1 then
                                        accept_state = dfa_state
                                        accept_token = accept[dfa_state]
                                        accept_length = text.length
                                        accept_pos = _pos
                                        accept_line = _line
                                end
                        else
                                if accept_state != -1 then
                                        if accept_token == 0 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return null
                                        end
                                        if accept_token == 1 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token_text = text.substring(0, accept_length)
                                                var token = new TEol.init_tk(token_text, location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 2 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token_text = text.substring(0, accept_length)
                                                var token = new TComment.init_tk(token_text, location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 3 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwpackage.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 4 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwimport.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 5 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwclass.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 6 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwabstract.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 7 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwinterface.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 8 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwuniversal.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 9 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwspecial.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 10 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwend.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 11 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwmeth.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 12 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwtype.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 13 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwinit.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 14 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwredef.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 15 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwis.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 16 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwdo.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 17 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwreadable.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 18 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwwritable.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 19 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwvar.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 20 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwintern.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 21 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwextern.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 22 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwprotected.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 23 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwprivate.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 24 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwintrude.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 25 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwif.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 26 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwthen.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 27 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwelse.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 28 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwwhile.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 29 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwfor.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 30 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwin.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 31 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwand.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 32 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwor.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 33 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwnot.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 34 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwreturn.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 35 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwcontinue.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 36 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwbreak.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 37 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwabort.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 38 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwassert.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 39 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwnew.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 40 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwisa.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 41 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwonce.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 42 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwsuper.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 43 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwself.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 44 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwtrue.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 45 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwfalse.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 46 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwnull.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 47 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwas.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 48 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwnullable.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 49 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwisset.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 50 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TKwlabel.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 51 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TOpar.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 52 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TCpar.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 53 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TObra.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 54 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TCbra.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 55 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TComma.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 56 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TColumn.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 57 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TQuad.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 58 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TAssign.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 59 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TPluseq.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 60 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TMinuseq.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 61 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TDotdotdot.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 62 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TDotdot.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 63 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TDot.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 64 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TPlus.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 65 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TMinus.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 66 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TStar.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 67 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TSlash.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 68 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TPercent.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 69 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TEq.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 70 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TNe.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 71 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TLt.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 72 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TLe.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 73 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TGt.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 74 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TGe.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 75 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TStarship.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 76 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token = new TBang.init_tk(location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 77 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token_text = text.substring(0, accept_length)
                                                var token = new TClassid.init_tk(token_text, location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 78 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token_text = text.substring(0, accept_length)
                                                var token = new TId.init_tk(token_text, location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 79 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token_text = text.substring(0, accept_length)
                                                var token = new TAttrid.init_tk(token_text, location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 80 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token_text = text.substring(0, accept_length)
                                                var token = new TNumber.init_tk(token_text, location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 81 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token_text = text.substring(0, accept_length)
                                                var token = new TFloat.init_tk(token_text, location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 82 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token_text = text.substring(0, accept_length)
                                                var token = new TChar.init_tk(token_text, location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 83 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token_text = text.substring(0, accept_length)
                                                var token = new TString.init_tk(token_text, location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 84 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token_text = text.substring(0, accept_length)
                                                var token = new TStartString.init_tk(token_text, location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 85 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token_text = text.substring(0, accept_length)
                                                var token = new TMidString.init_tk(token_text, location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                        if accept_token == 86 then
                                                var location = new Location(_filename, start_line + 1, accept_line + 1, start_pos + 1, accept_pos)
                                                var token_text = text.substring(0, accept_length)
                                                var token = new TEndString.init_tk(token_text, location)
                                                push_back(accept_length)
                                                _pos = accept_pos
                                                _line = accept_line
                                                return token
                                        end
                                else
                                        var location = new Location(_filename, start_line + 1, start_line + 1, start_pos + 1, start_pos + 1)
                                        if text.length > 0 then
                                                var token = new AError.init_error("Syntax error: unknown token {text}.", location)
                                                return token
                                        else
                                                var token = new EOF(location)
                                                return token
                                        end
                                end
                        end
                end
                return null
        end

        # Read the next character.
        # The character is read from the stream of from the pushback buffer.
        private fun get_char: Int
        do
                if _eof then
                        return -1
                end

                var result: Int

                var sp = _stream_pos
                if sp >= 0 then
                        var res = _stream_buf[_stream_pos]
                        _stream_pos = sp - 1
                        result = res.ascii
                else
                        result = _stream.read_char
                end

                if result == -1 then
                        _eof = true
                end

                return result
        end

        # Unread some characters.
        # Unread characters are stored in the pushback buffer.
        private fun push_back(accept_length: Int)
        do
                var length = _text.length
                var i = length - 1
                while i >= accept_length do
                        _eof = false
                        _stream_pos = _stream_pos + 1
                        _stream_buf[_stream_pos] = _text[i]
                        i = i - 1
                end
        end

        var _goto_table: Array[Array[Array[Array[Int]]]]
        private fun build_goto_table
        do
                _goto_table = once [
                        [
                                [
                                        [9, 9, 1],
                                        [10, 10, 2],
                                        [13, 13, 3],
                                        [32, 32, 4],
                                        [33, 33, 5],
                                        [34, 34, 6],
                                        [35, 35, 7],
                                        [37, 37, 8],
                                        [39, 39, 9],
                                        [40, 40, 10],
                                        [41, 41, 11],
                                        [42, 42, 12],
                                        [43, 43, 13],
                                        [44, 44, 14],
                                        [45, 45, 15],
                                        [46, 46, 16],
                                        [47, 47, 17],
                                        [48, 57, 18],
                                        [58, 58, 19],
                                        [60, 60, 20],
                                        [61, 61, 21],
                                        [62, 62, 22],
                                        [65, 90, 23],
                                        [91, 91, 24],
                                        [93, 93, 25],
                                        [95, 95, 26],
                                        [97, 97, 27],
                                        [98, 98, 28],
                                        [99, 99, 29],
                                        [100, 100, 30],
                                        [101, 101, 31],
                                        [102, 102, 32],
                                        [103, 104, 33],
                                        [105, 105, 34],
                                        [106, 107, 33],
                                        [108, 108, 35],
                                        [109, 109, 33],
                                        [110, 110, 36],
                                        [111, 111, 37],
                                        [112, 112, 38],
                                        [113, 113, 33],
                                        [114, 114, 39],
                                        [115, 115, 40],
                                        [116, 116, 41],
                                        [117, 117, 42],
                                        [118, 118, 43],
                                        [119, 119, 44],
                                        [120, 122, 33],
                                        [125, 125, 45]
                                ],
                                [
                                        [9, 9, 1],
                                        [32, 32, 4]
                                ],
                                nil_array,
                                [
                                        [10, 10, 46]
                                ],
                                [
                                        [9, 32, -3]
                                ],
                                [
                                        [61, 61, 47]
                                ],
                                [
                                        [0, 9, 48],
                                        [11, 12, 48],
                                        [14, 33, 48],
                                        [34, 34, 49],
                                        [35, 91, 48],
                                        [92, 92, 50],
                                        [93, 122, 48],
                                        [123, 123, 51],
                                        [124, 255, 48]
                                ],
                                [
                                        [0, 9, 52],
                                        [10, 10, 53],
                                        [11, 12, 52],
                                        [13, 13, 54],
                                        [14, 255, 52]
                                ],
                                nil_array,
                                [
                                        [0, 9, 55],
                                        [11, 12, 55],
                                        [14, 38, 55],
                                        [39, 39, 56],
                                        [40, 255, 55]
                                ],
                                nil_array,
                                nil_array,
                                nil_array,
                                [
                                        [61, 61, 57]
                                ],
                                nil_array,
                                [
                                        [61, 61, 58]
                                ],
                                [
                                        [46, 46, 59],
                                        [48, 57, 60]
                                ],
                                nil_array,
                                [
                                        [46, 46, 61],
                                        [48, 57, 18]
                                ],
                                [
                                        [58, 58, 62]
                                ],
                                [
                                        [61, 61, 63]
                                ],
                                [
                                        [61, 61, 64]
                                ],
                                [
                                        [61, 61, 65]
                                ],
                                [
                                        [48, 57, 66],
                                        [65, 90, 67],
                                        [95, 95, 68],
                                        [97, 122, 69]
                                ],
                                nil_array,
                                nil_array,
                                [
                                        [97, 122, 70]
                                ],
                                [
                                        [48, 57, 71],
                                        [65, 90, 72],
                                        [95, 95, 73],
                                        [97, 97, 74],
                                        [98, 98, 75],
                                        [99, 109, 74],
                                        [110, 110, 76],
                                        [111, 114, 74],
                                        [115, 115, 77],
                                        [116, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 113, 74],
                                        [114, 114, 78],
                                        [115, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 107, 74],
                                        [108, 108, 79],
                                        [109, 110, 74],
                                        [111, 111, 80],
                                        [112, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 110, 74],
                                        [111, 111, 81],
                                        [112, 122, 74]
                                ],
                                [
                                        [48, 107, -31],
                                        [108, 108, 82],
                                        [109, 109, 74],
                                        [110, 110, 83],
                                        [111, 119, 74],
                                        [120, 120, 84],
                                        [121, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 97, 85],
                                        [98, 110, 74],
                                        [111, 111, 86],
                                        [112, 116, 74],
                                        [117, 117, 87],
                                        [118, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 101, 74],
                                        [102, 102, 88],
                                        [103, 108, 74],
                                        [109, 109, 89],
                                        [110, 110, 90],
                                        [111, 114, 74],
                                        [115, 115, 91],
                                        [116, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 97, 92],
                                        [98, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 100, 74],
                                        [101, 101, 93],
                                        [102, 110, 74],
                                        [111, 111, 94],
                                        [112, 116, 74],
                                        [117, 117, 95],
                                        [118, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 109, 74],
                                        [110, 110, 96],
                                        [111, 113, 74],
                                        [114, 114, 97],
                                        [115, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 97, 98],
                                        [98, 113, 74],
                                        [114, 114, 99],
                                        [115, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 100],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 101],
                                        [102, 111, 74],
                                        [112, 112, 102],
                                        [113, 116, 74],
                                        [117, 117, 103],
                                        [118, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 103, 74],
                                        [104, 104, 104],
                                        [105, 113, 74],
                                        [114, 114, 105],
                                        [115, 120, 74],
                                        [121, 121, 106],
                                        [122, 122, 74]
                                ],
                                [
                                        [48, 109, -39],
                                        [110, 110, 107],
                                        [111, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 97, 108],
                                        [98, 122, 74]
                                ],
                                [
                                        [48, 103, -43],
                                        [104, 104, 109],
                                        [105, 113, 74],
                                        [114, 114, 110],
                                        [115, 122, 74]
                                ],
                                [
                                        [0, 9, 111],
                                        [11, 12, 111],
                                        [14, 33, 111],
                                        [34, 34, 112],
                                        [35, 91, 111],
                                        [92, 92, 113],
                                        [93, 122, 111],
                                        [123, 123, 114],
                                        [124, 255, 111]
                                ],
                                nil_array,
                                nil_array,
                                [
                                        [0, 255, -8]
                                ],
                                nil_array,
                                [
                                        [0, 9, 115],
                                        [11, 12, 115],
                                        [14, 255, 115]
                                ],
                                nil_array,
                                [
                                        [0, 255, -9]
                                ],
                                nil_array,
                                [
                                        [10, 10, 116]
                                ],
                                [
                                        [0, 255, -11]
                                ],
                                nil_array,
                                nil_array,
                                nil_array,
                                [
                                        [46, 46, 117]
                                ],
                                [
                                        [48, 57, 60]
                                ],
                                [
                                        [48, 57, 60]
                                ],
                                nil_array,
                                [
                                        [62, 62, 118]
                                ],
                                nil_array,
                                nil_array,
                                [
                                        [48, 122, -25]
                                ],
                                [
                                        [48, 122, -25]
                                ],
                                [
                                        [48, 122, -25]
                                ],
                                [
                                        [48, 122, -25]
                                ],
                                [
                                        [48, 57, 119],
                                        [65, 90, 120],
                                        [95, 95, 121],
                                        [97, 122, 122]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 110, -32],
                                        [111, 111, 123],
                                        [112, 114, 74],
                                        [115, 115, 124],
                                        [116, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 99, 74],
                                        [100, 100, 125],
                                        [101, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 114, 74],
                                        [115, 115, 126],
                                        [116, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 127],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 97, 128],
                                        [98, 122, 74]
                                ],
                                [
                                        [48, 109, -39],
                                        [110, 110, 129],
                                        [111, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 114, -79],
                                        [115, 115, 130],
                                        [116, 122, 74]
                                ],
                                [
                                        [48, 99, -78],
                                        [100, 100, 131],
                                        [101, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 115, 74],
                                        [116, 116, 132],
                                        [117, 122, 74]
                                ],
                                [
                                        [48, 107, -31],
                                        [108, 108, 133],
                                        [109, 122, 74]
                                ],
                                [
                                        [48, 113, -30],
                                        [114, 114, 134],
                                        [115, 122, 74]
                                ],
                                [
                                        [48, 109, -39],
                                        [110, 110, 135],
                                        [111, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 111, 74],
                                        [112, 112, 136],
                                        [113, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 104, 74],
                                        [105, 105, 137],
                                        [106, 115, 74],
                                        [116, 116, 138],
                                        [117, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 97, 139],
                                        [98, 114, 74],
                                        [115, 115, 140],
                                        [116, 122, 74]
                                ],
                                [
                                        [48, 97, -29],
                                        [98, 98, 141],
                                        [99, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 118, 74],
                                        [119, 119, 142],
                                        [120, 122, 74]
                                ],
                                [
                                        [48, 115, -86],
                                        [116, 116, 143],
                                        [117, 122, 74]
                                ],
                                [
                                        [48, 107, -31],
                                        [108, 108, 144],
                                        [109, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 98, 74],
                                        [99, 99, 145],
                                        [100, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 98, -98],
                                        [99, 99, 146],
                                        [100, 122, 74]
                                ],
                                [
                                        [48, 104, -92],
                                        [105, 105, 147],
                                        [106, 110, 74],
                                        [111, 111, 148],
                                        [112, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 97, 149],
                                        [98, 99, 74],
                                        [100, 100, 150],
                                        [101, 115, 74],
                                        [116, 116, 151],
                                        [117, 122, 74]
                                ],
                                [
                                        [48, 107, -31],
                                        [108, 108, 152],
                                        [109, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 153],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 111, -91],
                                        [112, 112, 154],
                                        [113, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 155],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 116, 74],
                                        [117, 117, 156],
                                        [118, 122, 74]
                                ],
                                [
                                        [48, 111, -91],
                                        [112, 112, 157],
                                        [113, 122, 74]
                                ],
                                [
                                        [48, 104, -92],
                                        [105, 105, 158],
                                        [106, 122, 74]
                                ],
                                [
                                        [48, 113, -30],
                                        [114, 114, 159],
                                        [115, 122, 74]
                                ],
                                [
                                        [48, 104, -92],
                                        [105, 105, 160],
                                        [106, 122, 74]
                                ],
                                [
                                        [48, 104, -92],
                                        [105, 105, 161],
                                        [106, 122, 74]
                                ],
                                [
                                        [0, 255, -47]
                                ],
                                nil_array,
                                [
                                        [0, 9, 162],
                                        [11, 12, 162],
                                        [14, 255, 162]
                                ],
                                nil_array,
                                [
                                        [0, 255, -8]
                                ],
                                nil_array,
                                nil_array,
                                nil_array,
                                [
                                        [48, 122, -72]
                                ],
                                [
                                        [48, 122, -72]
                                ],
                                [
                                        [48, 122, -72]
                                ],
                                [
                                        [48, 122, -72]
                                ],
                                [
                                        [48, 113, -30],
                                        [114, 114, 163],
                                        [115, 122, 74]
                                ],
                                [
                                        [48, 115, -86],
                                        [116, 116, 164],
                                        [117, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 165],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 97, 166],
                                        [98, 122, 74]
                                ],
                                [
                                        [48, 114, -79],
                                        [115, 115, 167],
                                        [116, 122, 74]
                                ],
                                [
                                        [48, 115, -86],
                                        [116, 116, 168],
                                        [117, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 169],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 170],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 114, -79],
                                        [115, 115, 171],
                                        [116, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 110, -32],
                                        [111, 111, 172],
                                        [112, 122, 74]
                                ],
                                [
                                        [48, 115, -86],
                                        [116, 116, 173],
                                        [117, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 174],
                                        [102, 113, 74],
                                        [114, 114, 175],
                                        [115, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 176],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 177],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 107, -31],
                                        [108, 108, 178],
                                        [109, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 179],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 106, 74],
                                        [107, 107, 180],
                                        [108, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 117, 74],
                                        [118, 118, 181],
                                        [119, 122, 74]
                                ],
                                [
                                        [48, 115, -86],
                                        [116, 116, 182],
                                        [117, 122, 74]
                                ],
                                [
                                        [48, 99, -78],
                                        [100, 100, 183],
                                        [101, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 184],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 116, -107],
                                        [117, 117, 185],
                                        [118, 122, 74]
                                ],
                                [
                                        [48, 101, -36],
                                        [102, 102, 186],
                                        [103, 122, 74]
                                ],
                                [
                                        [48, 98, -98],
                                        [99, 99, 187],
                                        [100, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 188],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 109, -39],
                                        [110, 110, 189],
                                        [111, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 190],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 191],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 117, -149],
                                        [118, 118, 192],
                                        [119, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 107, -31],
                                        [108, 108, 193],
                                        [109, 122, 74]
                                ],
                                [
                                        [48, 115, -86],
                                        [116, 116, 194],
                                        [117, 122, 74]
                                ],
                                [
                                        [0, 255, -47]
                                ],
                                [
                                        [48, 115, -86],
                                        [116, 116, 195],
                                        [117, 122, 74]
                                ],
                                [
                                        [48, 113, -30],
                                        [114, 114, 196],
                                        [115, 122, 74]
                                ],
                                [
                                        [48, 113, -30],
                                        [114, 114, 197],
                                        [115, 122, 74]
                                ],
                                [
                                        [48, 106, -148],
                                        [107, 107, 198],
                                        [108, 122, 74]
                                ],
                                [
                                        [48, 114, -79],
                                        [115, 115, 199],
                                        [116, 122, 74]
                                ],
                                [
                                        [48, 104, -92],
                                        [105, 105, 200],
                                        [106, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 113, -30],
                                        [114, 114, 201],
                                        [115, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 202],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 113, -30],
                                        [114, 114, 203],
                                        [115, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 113, -30],
                                        [114, 114, 204],
                                        [115, 122, 74]
                                ],
                                [
                                        [48, 116, -107],
                                        [117, 117, 205],
                                        [118, 122, 74]
                                ],
                                [
                                        [48, 115, -86],
                                        [116, 116, 206],
                                        [117, 122, 74]
                                ],
                                [
                                        [48, 107, -31],
                                        [108, 108, 207],
                                        [109, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 97, 208],
                                        [98, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 97, 209],
                                        [98, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 97, 210],
                                        [98, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 211],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 97, 212],
                                        [98, 122, 74]
                                ],
                                [
                                        [48, 101, -36],
                                        [102, 102, 213],
                                        [103, 122, 74]
                                ],
                                [
                                        [48, 113, -30],
                                        [114, 114, 214],
                                        [115, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 104, -92],
                                        [105, 105, 215],
                                        [106, 122, 74]
                                ],
                                [
                                        [48, 113, -30],
                                        [114, 114, 216],
                                        [115, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 217],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 218],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 97, 219],
                                        [98, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 97, 220],
                                        [98, 122, 74]
                                ],
                                [
                                        [48, 115, -86],
                                        [116, 116, 221],
                                        [117, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 109, -39],
                                        [110, 110, 222],
                                        [111, 122, 74]
                                ],
                                [
                                        [48, 109, -39],
                                        [110, 110, 223],
                                        [111, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 115, -86],
                                        [116, 116, 224],
                                        [117, 122, 74]
                                ],
                                [
                                        [48, 101, -36],
                                        [102, 102, 225],
                                        [103, 109, 74],
                                        [110, 110, 226],
                                        [111, 122, 74]
                                ],
                                [
                                        [48, 99, -78],
                                        [100, 100, 227],
                                        [101, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 97, -29],
                                        [98, 98, 228],
                                        [99, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 102, 74],
                                        [103, 103, 229],
                                        [104, 122, 74]
                                ],
                                [
                                        [48, 115, -86],
                                        [116, 116, 230],
                                        [117, 122, 74]
                                ],
                                [
                                        [48, 98, -98],
                                        [99, 99, 231],
                                        [100, 122, 74]
                                ],
                                [
                                        [48, 97, -29],
                                        [98, 98, 232],
                                        [99, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 109, -39],
                                        [110, 110, 233],
                                        [111, 122, 74]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 97, 234],
                                        [98, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 113, -30],
                                        [114, 114, 235],
                                        [115, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 97, -29],
                                        [98, 98, 236],
                                        [99, 122, 74]
                                ],
                                [
                                        [48, 98, -98],
                                        [99, 99, 237],
                                        [100, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 116, -107],
                                        [117, 117, 238],
                                        [118, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 97, 239],
                                        [98, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 240],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 107, -31],
                                        [108, 108, 241],
                                        [109, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 242],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 243],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 115, -86],
                                        [116, 116, 244],
                                        [117, 122, 74]
                                ],
                                [
                                        [48, 107, -31],
                                        [108, 108, 245],
                                        [109, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 107, -31],
                                        [108, 108, 246],
                                        [109, 122, 74]
                                ],
                                [
                                        [48, 114, -79],
                                        [115, 115, 247],
                                        [116, 122, 74]
                                ],
                                [
                                        [48, 107, -31],
                                        [108, 108, 248],
                                        [109, 122, 74]
                                ],
                                [
                                        [48, 115, -86],
                                        [116, 116, 249],
                                        [117, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 250],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 98, -98],
                                        [99, 99, 251],
                                        [100, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 252],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 253],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 254],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 95, -29],
                                        [97, 97, 255],
                                        [98, 122, 74]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 256],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 100, -38],
                                        [101, 101, 257],
                                        [102, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 99, -78],
                                        [100, 100, 258],
                                        [101, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 107, -31],
                                        [108, 108, 259],
                                        [109, 122, 74]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 122, -35]
                                ],
                                [
                                        [48, 122, -35]
                                ]
                        ]
                ]
        end

        private fun nil_array: Array[Array[Int]]
        do
                return once new Array[Array[Int]]
        end

        var _accept_table: Array[Array[Int]]
        private fun build_accept_table do
                _accept_table = once [
                        [
                                -1,0,1,1,0,76,-1,-1,68,-1,51,52,66,64,55,65,63,67,80,56,71,58,73,77,53,54,-1,78,78,78,78,78,78,78,78,78,78,78,78,78,78,78,78,78,78,-1,1,70,-1,83,-1,84,-1,2,2,-1,82,59,60,62,81,-1,57,72,69,74,77,77,77,77,79,78,78,78,78,78,78,47,78,78,78,16,78,78,78,78,78,78,25,78,30,15,78,78,78,78,78,32,78,78,78,78,78,78,78,78,78,78,78,78,78,-1,86,-1,85,-1,2,61,75,79,79,79,79,78,78,31,78,78,78,78,78,10,78,78,29,11,78,78,78,40,78,78,39,33,78,78,78,78,78,78,78,78,78,78,78,78,78,78,78,19,78,78,-1,78,78,78,78,78,78,27,78,78,78,13,78,78,78,78,46,41,78,78,78,78,78,78,43,78,78,26,44,12,78,78,78,37,78,78,36,5,78,78,45,78,78,78,49,50,78,78,78,78,78,14,78,78,42,78,28,78,78,38,78,21,4,78,20,78,78,78,78,78,78,34,78,78,78,78,78,78,24,78,3,23,78,78,9,78,78,6,35,78,48,78,17,78,18,7,22,8

                        ]
                ]
        end
end