GIF89a=( õ' 7IAXKgNgYvYx\%wh…hŽth%ˆs%—x¨}9®Œ©€&©‰%¶†(¹–.¹5·œD¹&Çš)ÇŸ5ǘ;Í£*È¡&Õ²)ׯ7×µ<Ñ»4ï°3ø‘HÖ§KͯT÷¨Yÿšqÿ»qÿÔFØ !ù ' !ÿ NETSCAPE2.0 , =( þÀ“pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§gª«ªE¯°¨¬ª±²Œ¹º¹E¾­”´ÂB¶¯ §Åȸ»ÑD¾¿Á•ÄÅ®° ÝH¾ÒLÀÆDÙ«D¶BÝïðÀ¾DÑÑÔTÌÍíH òGö¨A RÎڐ |¥ ٭&ºìE8œ¹kGÔAÞpx­a¶­ã R2XB®åE8I€Õ6Xî:vT)äžþÀq¦è³¥ì仕F~%xñ  4#ZÔ‰O|-4Bs‘X:= QÉ œš lºÒyXJŠGȦ|s hÏíK–3l7·B|¥$'7Jީܪ‰‡àá”Dæn=Pƒ ¤Òëí‰`䌨ljóá¯Éüv>á–Á¼5 ½.69ûϸd«­ºÀûnlv©‹ªîf{¬ÜãPbŸ  l5‘Ž¯pß ´ ˜3aÅùäI«O’ý·‘áÞ‡˜¾Æ‚ÙÏiÇÿ‹Àƒ #öó)pâš Þ½ ‘Ý{ó)vmÞü%D~ 6f s}ŃƒDØW Eþ`‡þ À…L8xá†ç˜{)x`X/> Ì}mø‚–RØ‘*|`D=‚Ø_ ^ð5 !_…'aä“OÚ—7âcð`D”Cx`ÝÂ¥ä‹éY¹—F¼¤¥Š?¡Õ™ n@`} lď’ÄÉ@4>ñd œ à‘vÒxNÃ×™@žd=ˆgsžG±æ ´²æud &p8Qñ)ˆ«lXD©øÜéAžHìySun jª×k*D¤LH] †¦§C™Jä–´Xb~ʪwStŽ6K,°£qÁœ:9ت:¨þªl¨@¡`‚ûÚ ».Û¬¯t‹ÆSÉ[:°=Š‹„‘Nåû”Ìî{¿ÂA ‡Rà›ÀÙ6úë°Ÿð0Ä_ ½;ÃϱîÉì^ÇÛÇ#Ëë¼ôº!±Ä˜íUîÅÇ;0L1óÁµö«p% AÀºU̬ݵ¼á%霼€‡¯Á~`ÏG¯»À× ­²± =4ªnpð3¾¤³¯­ü¾¦îuÙuµÙ®|%2ÊIÿür¦#0·ÔJ``8È@S@5ê¢ ö×Þ^`8EÜ]ý.뜃Âç 7 ú ȉÞj œ½Dç zý¸iþœÑÙûÄë!ˆÞÀl§Ïw‹*DçI€nEX¯¬¼ &A¬Go¼QföõFç°¯;é¦÷îŽêJ°îúôF5¡ÌQ|îúöXªæ»TÁÏyñêï]ê² o óÎC=öõ›ÒÓPB@ D×½œä(>èCÂxŽ`±«Ÿ–JЀ»Û á¤±p+eE0`ëŽ`A Ú/NE€Ø†À9‚@¤à H½7”à‡%B‰`Àl*ƒó‘–‡8 2ñ%¸ —€:Ù1Á‰E¸àux%nP1ð!‘ðC)¾P81lÑɸF#ˆ€{´âé°ÈB„0>±û °b¡Š´±O‚3È–Ù()yRpbµ¨E.Z‘D8ÊH@% òŒx+%Ù˜Æcü »¸˜fõ¬b·d`Fê™8èXH"ÉÈ-±|1Ô6iI, 2““¬$+](A*jÐ QTÂo‰.ÛU슬Œã„Ž`¯SN¡–¶Äåyše¯ª’­¬‚´b¦Éož œ)åyâ@Ì®3 ÎtT̉°&Ø+žLÀf"Ø-|žçÔ>‡Ðv¦Ðžì\‚ Q1)Ž@Žh#aP72”ˆ™¨$‚ !ù " , =( …7IAXG]KgNgYvYxR"k\%w]'}hŽth%ˆg+ˆs%—r.—m3šx3˜x¨}9®€&©€+¨‡7§‰%¶†(¹–.¹œD¹&ǘ;Í•&ײ)×»4ïÌ6ò§KÍ þ@‘pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g «¬ E ±± ¨­¶°ººE Á´”·®C¬²§Ç¶Œ»ÓDÃÕƷ¯Ê±H½ºM×ÁGÚ¬D¶BËÁ½î½DÓôTÏÛßîG»ôõC×CÌ l&âž:'òtU³6ɹ#·Ø)€'Ü.6±&ëÍÈ» K(8p0N?!æ2"ÛˆNIJX>R¼ÐO‚M '¡¨2¸*Ÿþ>#n↠å@‚<[:¡Iïf’ ¤TÚ˘CdbÜÙ“[«ŽEú5MBo¤×@€`@„€Êt W-3 ¶Ÿ¡BíêäjIÝ…Eò9[T…$íêﯧ„…•s»Óȳ¹€ÅÚdc®UUρ#±Ùïldj?´í¼²`\ŽÁðÞu|3'ÖŒ]ë6 ¶S#²‡˜FKLÈ *N E´‘áäŠ$˜›eÄYD„ºq«.è촁ƒs \-ÔjA 9²õ÷å- üúM[Âx(ís÷ì®x€|í¡Ù’p¦‚ ŽkÛTÇDpE@WÜ ²Ç]kŠ1¨ þ€·Yb ÓÁ‰l°*n0 ç™—žzBdОu¾7ĉBl€â‰-ºx~|UåU‰  h*Hœ|e"#"?vpÄiŠe6^ˆ„+qâŠm8 #VÇá ‘å–ÄV„œ|Šè•m"сœn|@›U¶ÆΞ—Špb¥G¨ED”€±Úê2FÌIç? >Éxå Œ± ¡¤„%‘žjŸ‘ꄯ<Ìaà9ijÐ2˜D¦È&›†Z`‚å]wþ¼Â:ç6àB¤7eFJ|õÒ§Õ,¨äàFÇ®cS·Ê¶+B°,‘Þ˜ºNûãØ>PADÌHD¹æž«ÄÀnÌ¥}­#Ë’ë QÀÉSÌÂÇ2ÌXÀ{æk²lQÁ2«ÊðÀ¯w|2Í h‹ÄÂG€,m¾¶ë3ÐÙ6-´ÅE¬L°ÆIij*K½ÀÇqï`DwVÍQXœÚÔpeœ±¬Ñ q˜§Tœ½µƒ°Œìu Â<¶aØ*At¯lmEØ ü ôÛN[P1ÔÛ¦­±$ÜÆ@`ùåDpy¶yXvCAyåB`ŽD¶ 0QwG#¯ æš[^Äþ $ÀÓÝǦ{„L™[±úKÄgÌ;ï£S~¹ìGX.ôgoT.»åˆ°ùŸûù¡?1zö¦Ÿž:ÅgÁ|ìL¹ „®£œŠ‚à0œ]PÁ^p F<"•ç?!,ñ‡N4—…PÄ Á„ö¨Û:Tè@hÀ‹%táÿ:ø-žI<`þ‹p I….)^ 40D#p@ƒj4–؀:²‰1Øâr˜¼F2oW¼#Z†;$Q q” ‘ ÂK¦ñNl#29 !’F@¥Bh·ᏀL!—XFóLH‘Kh¤.«hE&JòG¨¥<™WN!€ÑÙÚˆY„@†>Œž19J" 2,/ &.GXB%ÌRÈ9B6¹W]’î×ÔW¥’IÎ$ ñ‹ÓŒE8YÆ ¼³™ñA5“à®Q.aŸB€&Ø©³ JÁ—! ¦t)K%tœ-¦JF bòNMxLôþ)ÐR¸Ð™‘ èÝ6‘O!THÌ„HÛ ‰ !ù ) , =( …AXKgNgYvYxR"k\%wh…hŽh%ˆg+ˆs%—r.—x3˜x¨}9®€&©€+¨Œ,©‡7§‰%¶†(¹–.¹5·&Çš)ǘ;Í•&×£*Ȳ)ׯ7×»4ï°3øÌ6ò‘HÖ§KÍ»Hó¯T÷¨Yÿ»qÿÇhÿ þÀ”pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g ª« E$±²¨ª­ · °²½$E$ÂÕ««D· Í ¿¦Ç¶¸ÌŒ¾³CÃÅÆ E ééH½MÛÂGâªD­ çBêêϾD²ÒaÀà€Š1r­ðÓ¤ ÔožzU!L˜C'¾yW½UGtäÇïÙllê0×àÂuGþ)AÀs[þ·xì ÁxO%ƒûX2ó—  P£n›R/¡ÑšHše+êDm?# —‘Ç£6¡8íJ¡ŸâDiäªM¥Ö„ôj“¬¹£5oQ7°- <‡ *´lãÓŒ2r/a!l)dÈ A™ÈE¢ôÔ͆…ð ;Ö˜c ¡%ß‚’Ùˆâ¸b½—pe~C"BíëÚHïeF2§æŠ8qb t_`urŠeü wÅu3êæPv§h•"ß`íÍxçLĹÜÖ3á  ~Öº“®›¸ÏMDfJÙ °„ÛµáWõ%§œ‚à©–‚X Ó؁)@®Ñ›Eþ´wëuÅSxb8y\mÖzœ¥§ZbºE—ÂLªÌw!y(>¡™wú=Ç|ÅÝs¢d €CÁW)HÜcC$€L Ä7„r.á\{)@ð` @ äXÈ$PD” `šaG:§æˆOˆ72EÐamn]ù"ŒcÊxÑŒ° &dR8`g«iÙŸLR!¦P …d’ä¡“¦ðÎTƒ¦ià|À _ ¥ Qi#¦Šg›Æ ›noMµ ›V ã£)p ç£ÎW…š=Âeªk§†j„ ´®1ß²sÉxéW«jšl|0¯B0Û, \jÛ´›6±¬¶C ÛíWþï|ëÙ‹¸ñzĸV {ì;Ýñn¼òVˆm³I¼³.Ðã¤PN¥ ²µ¼„µCã+¹ÍByî£Ñ¾HŸ›ëê 7ìYÆFTk¨SaoaY$Dµœìï¿Ã29RÈkt Çïfñ ÇÒ:ÀÐSp¹3ÇI¨â¥DZÄ ü9Ïýögñ½­uÔ*3)O‘˜Ö[_hv ,àî×Et Ÿé¶BH€ Õ[ü±64M@ÔSÌM7dÐl5-ÄÙU܍´©zߌ3Ô€3ž„ „ ¶ÛPô½5×g› êÚ˜kN„Ý…0Îj4€Ìë°“#{þÕ3S2çKÜ'ợlø¼Ú2K{° {Û¶?žm𸧠ËI¼nEò='êüóºè^üæÃ_Û=°óž‚ì#Oý¿Í'¡½áo..ÏYìnüñCœO±Áa¿¢Kô½o,üÄËbö²çºíï{ËC Ú— "”Ï{ËK ÍÒw„õ±Oz dÕ¨à:$ ƒô—«v»] A#ð «€¿šéz)Rx׿ˆ¥‚d``èw-îyÏf×K!ð€þ­Ð|ìPľ„=Ì`ý(f” 'Pa ¥ÐBJa%Ðâf§„%Š¡}FàáÝ×6>ÉäŠG"éŽè=ø!oŠ°^FP¼Ø©Q„ÀCÙÁ`(Ž\ÄÝ® ©Â$<n@dÄ E#ììUÒI! ‚#lù‹`k¦ÐÇ'Rró’ZýNBÈMF Í[¤+‹ðɈ-áwj¨¥þ8¾rá ,VÂh„"|½œ=×G_¦Ñ™EØ 0i*%̲˜Æda0mV‚k¾)›;„&6 p>ÓjK “¦Ç# âDÂ:ûc?:R Ó¬fÞéI-Ì“•Ã<ä=™Ï7˜3œ¨˜c2ŒW ,ˆ”8(T™P‰F¡Jhç"‚ ; 403WebShell
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Current File : /opt/alt/ruby26/lib64/ruby/2.6.0/rdoc/parser/ripper_state_lex.rb
# frozen_string_literal: true
require 'ripper'

class RDoc::Parser::RipperStateLex
  # TODO: Remove this constants after Ruby 2.4 EOL
  RIPPER_HAS_LEX_STATE = Ripper::Filter.method_defined?(:state)

  Token = Struct.new(:line_no, :char_no, :kind, :text, :state)

  EXPR_NONE = 0
  EXPR_BEG = 1
  EXPR_END = 2
  EXPR_ENDARG = 4
  EXPR_ENDFN = 8
  EXPR_ARG = 16
  EXPR_CMDARG = 32
  EXPR_MID = 64
  EXPR_FNAME = 128
  EXPR_DOT = 256
  EXPR_CLASS = 512
  EXPR_LABEL = 1024
  EXPR_LABELED = 2048
  EXPR_FITEM = 4096
  EXPR_VALUE = EXPR_BEG
  EXPR_BEG_ANY  =  (EXPR_BEG | EXPR_MID | EXPR_CLASS)
  EXPR_ARG_ANY  =  (EXPR_ARG | EXPR_CMDARG)
  EXPR_END_ANY  =  (EXPR_END | EXPR_ENDARG | EXPR_ENDFN)

  class InnerStateLex < Ripper::Filter
    attr_accessor :lex_state

    def initialize(code)
      @lex_state = EXPR_BEG
      @in_fname = false
      @continue = false
      reset
      super(code)
    end

    def reset
      @command_start = false
      @cmd_state = @command_start
    end

    def on_nl(tok, data)
      case @lex_state
      when EXPR_FNAME, EXPR_DOT
        @continue = true
      else
        @continue = false
        @lex_state = EXPR_BEG unless (EXPR_LABEL & @lex_state) != 0
      end
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_ignored_nl(tok, data)
      case @lex_state
      when EXPR_FNAME, EXPR_DOT
        @continue = true
      else
        @continue = false
        @lex_state = EXPR_BEG unless (EXPR_LABEL & @lex_state) != 0
      end
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_op(tok, data)
      case tok
      when '&', '|', '!', '!=', '!~'
        case @lex_state
        when EXPR_FNAME, EXPR_DOT
          @lex_state = EXPR_ARG
        else
          @lex_state = EXPR_BEG
        end
      when '<<'
        # TODO next token?
        case @lex_state
        when EXPR_FNAME, EXPR_DOT
          @lex_state = EXPR_ARG
        else
          @lex_state = EXPR_BEG
        end
      when '?'
        @lex_state = EXPR_BEG
      when '&&', '||', '+=', '-=', '*=', '**=',
           '&=', '|=', '^=', '<<=', '>>=', '||=', '&&='
        @lex_state = EXPR_BEG
      when '::'
        case @lex_state
        when EXPR_ARG, EXPR_CMDARG
          @lex_state = EXPR_DOT
        when EXPR_FNAME, EXPR_DOT
          @lex_state = EXPR_ARG
        else
          @lex_state = EXPR_BEG
        end
      else
        case @lex_state
        when EXPR_FNAME, EXPR_DOT
          @lex_state = EXPR_ARG
        else
          @lex_state = EXPR_BEG
        end
      end
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_kw(tok, data)
      case tok
      when 'class'
        @lex_state = EXPR_CLASS
        @in_fname = true
      when 'def'
        @lex_state = EXPR_FNAME
        @continue = true
        @in_fname = true
      when 'if', 'unless', 'while', 'until'
        if ((EXPR_MID | EXPR_END | EXPR_ENDARG | EXPR_ENDFN | EXPR_ARG | EXPR_CMDARG) & @lex_state) != 0 # postfix if
          @lex_state = EXPR_BEG | EXPR_LABEL
        else
          @lex_state = EXPR_BEG
        end
      when 'begin', 'case', 'when'
        @lex_state = EXPR_BEG
      when 'return', 'break'
        @lex_state = EXPR_MID
      else
        if @lex_state == EXPR_FNAME
          @lex_state = EXPR_END
        else
          @lex_state = EXPR_END
        end
      end
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_tstring_beg(tok, data)
      @lex_state = EXPR_BEG
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_tstring_end(tok, data)
      @lex_state = EXPR_END | EXPR_ENDARG
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_CHAR(tok, data)
      @lex_state = EXPR_END
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_period(tok, data)
      @lex_state = EXPR_DOT
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_int(tok, data)
      @lex_state = EXPR_END | EXPR_ENDARG
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_float(tok, data)
      @lex_state = EXPR_END | EXPR_ENDARG
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_rational(tok, data)
      @lex_state = EXPR_END | EXPR_ENDARG
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_imaginary(tok, data)
      @lex_state = EXPR_END | EXPR_ENDARG
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_symbeg(tok, data)
      @lex_state = EXPR_FNAME
      @continue = true
      @in_fname = true
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    private def on_variables(event, tok, data)
      if @in_fname
        @lex_state = EXPR_ENDFN
        @in_fname = false
        @continue = false
      elsif @continue
        case @lex_state
        when EXPR_DOT
          @lex_state = EXPR_ARG
        else
          @lex_state = EXPR_ENDFN
          @continue = false
        end
      else
        @lex_state = EXPR_CMDARG
      end
      data << Token.new(lineno, column, event, tok, @lex_state)
    end

    def on_ident(tok, data)
      on_variables(__method__, tok, data)
    end

    def on_ivar(tok, data)
      @lex_state = EXPR_END
      on_variables(__method__, tok, data)
    end

    def on_cvar(tok, data)
      @lex_state = EXPR_END
      on_variables(__method__, tok, data)
    end

    def on_gvar(tok, data)
      @lex_state = EXPR_END
      on_variables(__method__, tok, data)
    end

    def on_backref(tok, data)
      @lex_state = EXPR_END
      on_variables(__method__, tok, data)
    end

    def on_lparen(tok, data)
      @lex_state = EXPR_LABEL | EXPR_BEG
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_rparen(tok, data)
      @lex_state = EXPR_ENDFN
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_lbrace(tok, data)
      @lex_state = EXPR_LABEL | EXPR_BEG
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_rbrace(tok, data)
      @lex_state = EXPR_ENDARG
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_lbracket(tok, data)
      @lex_state = EXPR_LABEL | EXPR_BEG
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_rbracket(tok, data)
      @lex_state = EXPR_ENDARG
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_const(tok, data)
      case @lex_state
      when EXPR_FNAME
        @lex_state = EXPR_ENDFN
      when EXPR_CLASS, EXPR_CMDARG, EXPR_MID
        @lex_state = EXPR_ARG
      else
        @lex_state = EXPR_CMDARG
      end
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_sp(tok, data)
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_comma(tok, data)
      @lex_state = EXPR_BEG | EXPR_LABEL if (EXPR_ARG_ANY & @lex_state) != 0
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_comment(tok, data)
      @lex_state = EXPR_BEG unless (EXPR_LABEL & @lex_state) != 0
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_ignored_sp(tok, data)
      @lex_state = EXPR_BEG unless (EXPR_LABEL & @lex_state) != 0
      data << Token.new(lineno, column, __method__, tok, @lex_state)
    end

    def on_heredoc_beg(tok, data)
      data << Token.new(lineno, column, __method__, tok, @lex_state)
      @lex_state = EXPR_END
      data
    end

    def on_heredoc_end(tok, data)
      data << Token.new(lineno, column, __method__, tok, @lex_state)
      @lex_state = EXPR_BEG
      data
    end

    def on_default(event, tok, data)
      reset
      data << Token.new(lineno, column, event, tok, @lex_state)
    end
  end unless RIPPER_HAS_LEX_STATE

  class InnerStateLex < Ripper::Filter
    def initialize(code)
      super(code)
    end

    def on_default(event, tok, data)
      data << Token.new(lineno, column, event, tok, state)
    end
  end if RIPPER_HAS_LEX_STATE

  def get_squashed_tk
    if @buf.empty?
      tk = @tokens.shift
    else
      tk = @buf.shift
    end
    return nil if tk.nil?
    case tk[:kind]
    when :on_symbeg then
      tk = get_symbol_tk(tk)
    when :on_tstring_beg then
      tk = get_string_tk(tk)
    when :on_backtick then
      if (tk[:state] & (EXPR_FNAME | EXPR_ENDFN)) != 0
        @inner_lex.lex_state = EXPR_ARG unless RIPPER_HAS_LEX_STATE
        tk[:kind] = :on_ident
        tk[:state] = Ripper::Lexer.const_defined?(:State) ? Ripper::Lexer::State.new(EXPR_ARG) : EXPR_ARG
      else
        tk = get_string_tk(tk)
      end
    when :on_regexp_beg then
      tk = get_regexp_tk(tk)
    when :on_embdoc_beg then
      tk = get_embdoc_tk(tk)
    when :on_heredoc_beg then
      @heredoc_queue << retrieve_heredoc_info(tk)
      @inner_lex.lex_state = EXPR_END unless RIPPER_HAS_LEX_STATE
    when :on_nl, :on_ignored_nl, :on_comment, :on_heredoc_end then
      if !@heredoc_queue.empty?
        get_heredoc_tk(*@heredoc_queue.shift)
      elsif tk[:text].nil? # :on_ignored_nl sometimes gives nil
        tk[:text] = ''
      end
    when :on_words_beg then
      tk = get_words_tk(tk)
    when :on_qwords_beg then
      tk = get_words_tk(tk)
    when :on_symbols_beg then
      tk = get_words_tk(tk)
    when :on_qsymbols_beg then
      tk = get_words_tk(tk)
    when :on_op then
      if '&.' == tk[:text]
        tk[:kind] = :on_period
      else
        tk = get_op_tk(tk)
      end
    end
    tk
  end

  private def get_symbol_tk(tk)
    is_symbol = true
    symbol_tk = Token.new(tk.line_no, tk.char_no, :on_symbol)
    if ":'" == tk[:text] or ':"' == tk[:text]
      tk1 = get_string_tk(tk)
      symbol_tk[:text] = tk1[:text]
      symbol_tk[:state] = tk1[:state]
    else
      case (tk1 = get_squashed_tk)[:kind]
      when :on_ident
        symbol_tk[:text] = ":#{tk1[:text]}"
        symbol_tk[:state] = tk1[:state]
      when :on_tstring_content
        symbol_tk[:text] = ":#{tk1[:text]}"
        symbol_tk[:state] = get_squashed_tk[:state] # skip :on_tstring_end
      when :on_tstring_end
        symbol_tk[:text] = ":#{tk1[:text]}"
        symbol_tk[:state] = tk1[:state]
      when :on_op
        symbol_tk[:text] = ":#{tk1[:text]}"
        symbol_tk[:state] = tk1[:state]
      when :on_ivar
        symbol_tk[:text] = ":#{tk1[:text]}"
        symbol_tk[:state] = tk1[:state]
      when :on_cvar
        symbol_tk[:text] = ":#{tk1[:text]}"
        symbol_tk[:state] = tk1[:state]
      when :on_gvar
        symbol_tk[:text] = ":#{tk1[:text]}"
        symbol_tk[:state] = tk1[:state]
      when :on_const
        symbol_tk[:text] = ":#{tk1[:text]}"
        symbol_tk[:state] = tk1[:state]
      when :on_kw
        symbol_tk[:text] = ":#{tk1[:text]}"
        symbol_tk[:state] = tk1[:state]
      else
        is_symbol = false
        tk = tk1
      end
    end
    if is_symbol
      tk = symbol_tk
    end
    tk
  end

  private def get_string_tk(tk)
    string = tk[:text]
    state = nil
    kind = :on_tstring
    loop do
      inner_str_tk = get_squashed_tk
      if inner_str_tk.nil?
        break
      elsif :on_tstring_end == inner_str_tk[:kind]
        string = string + inner_str_tk[:text]
        state = inner_str_tk[:state]
        break
      elsif :on_label_end == inner_str_tk[:kind]
        string = string + inner_str_tk[:text]
        state = inner_str_tk[:state]
        kind = :on_symbol
        break
      else
        string = string + inner_str_tk[:text]
        if :on_embexpr_beg == inner_str_tk[:kind] then
          kind = :on_dstring if :on_tstring == kind
        end
      end
    end
    Token.new(tk.line_no, tk.char_no, kind, string, state)
  end

  private def get_regexp_tk(tk)
    string = tk[:text]
    state = nil
    loop do
      inner_str_tk = get_squashed_tk
      if inner_str_tk.nil?
        break
      elsif :on_regexp_end == inner_str_tk[:kind]
        string = string + inner_str_tk[:text]
        state = inner_str_tk[:state]
        break
      else
        string = string + inner_str_tk[:text]
      end
    end
    Token.new(tk.line_no, tk.char_no, :on_regexp, string, state)
  end

  private def get_embdoc_tk(tk)
    string = tk[:text]
    until :on_embdoc_end == (embdoc_tk = get_squashed_tk)[:kind] do
      string = string + embdoc_tk[:text]
    end
    string = string + embdoc_tk[:text]
    Token.new(tk.line_no, tk.char_no, :on_embdoc, string, embdoc_tk.state)
  end

  private def get_heredoc_tk(heredoc_name, indent)
    string = ''
    start_tk = nil
    prev_tk = nil
    until heredoc_end?(heredoc_name, indent, tk = @tokens.shift) do
      start_tk = tk unless start_tk
      if (prev_tk.nil? or "\n" == prev_tk[:text][-1]) and 0 != tk[:char_no]
        string = string + (' ' * tk[:char_no])
      end
      string = string + tk[:text]
      prev_tk = tk
    end
    start_tk = tk unless start_tk
    prev_tk = tk unless prev_tk
    @buf.unshift tk # closing heredoc
    heredoc_tk = Token.new(start_tk.line_no, start_tk.char_no, :on_heredoc, string, prev_tk.state)
    @buf.unshift heredoc_tk
  end

  private def retrieve_heredoc_info(tk)
    name = tk[:text].gsub(/\A<<[-~]?(['"`]?)(.+)\1\z/, '\2')
    indent = tk[:text] =~ /\A<<[-~]/
    [name, indent]
  end

  private def heredoc_end?(name, indent, tk)
    result = false
    if :on_heredoc_end == tk[:kind] then
      tk_name = (indent ? tk[:text].gsub(/^ *(.+)\n?$/, '\1') : tk[:text].gsub(/\n\z/, ''))
      if name == tk_name
        result = true
      end
    end
    result
  end

  private def get_words_tk(tk)
    string = ''
    start_token = tk[:text]
    start_quote = tk[:text].rstrip[-1]
    line_no = tk[:line_no]
    char_no = tk[:char_no]
    state = tk[:state]
    end_quote =
      case start_quote
      when ?( then ?)
      when ?[ then ?]
      when ?{ then ?}
      when ?< then ?>
      else start_quote
      end
    end_token = nil
    loop do
      tk = get_squashed_tk
      if tk.nil?
        end_token = end_quote
        break
      elsif :on_tstring_content == tk[:kind] then
        string += tk[:text]
      elsif :on_words_sep == tk[:kind] or :on_tstring_end == tk[:kind] then
        if end_quote == tk[:text].strip then
          end_token = tk[:text]
          break
        else
          string += tk[:text]
        end
      else
        string += tk[:text]
      end
    end
    text = "#{start_token}#{string}#{end_token}"
    Token.new(line_no, char_no, :on_dstring, text, state)
  end

  private def get_op_tk(tk)
    redefinable_operators = %w[! != !~ % & * ** + +@ - -@ / < << <= <=> == === =~ > >= >> [] []= ^ ` | ~]
    if redefinable_operators.include?(tk[:text]) and tk[:state] == EXPR_ARG then
      @inner_lex.lex_state = EXPR_ARG unless RIPPER_HAS_LEX_STATE
      tk[:state] = Ripper::Lexer.const_defined?(:State) ? Ripper::Lexer::State.new(EXPR_ARG) : EXPR_ARG
      tk[:kind] = :on_ident
    elsif tk[:text] =~ /^[-+]$/ then
      tk_ahead = get_squashed_tk
      case tk_ahead[:kind]
      when :on_int, :on_float, :on_rational, :on_imaginary then
        tk[:text] += tk_ahead[:text]
        tk[:kind] = tk_ahead[:kind]
        tk[:state] = tk_ahead[:state]
      when :on_heredoc_beg, :on_tstring, :on_dstring # frozen/non-frozen string literal
        tk[:text] += tk_ahead[:text]
        tk[:kind] = tk_ahead[:kind]
        tk[:state] = tk_ahead[:state]
      else
        @buf.unshift tk_ahead
      end
    end
    tk
  end

  def initialize(code)
    @buf = []
    @heredoc_queue = []
    @inner_lex = InnerStateLex.new(code)
    @tokens = @inner_lex.parse([])
  end

  def self.parse(code)
    lex = self.new(code)
    tokens = []
    begin
      while tk = lex.get_squashed_tk
        tokens.push tk
      end
    rescue StopIteration
    end
    tokens
  end

  def self.end?(token)
    (token[:state] & EXPR_END)
  end
end

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