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% Copyright (C) 2001-2018 Artifex Software, Inc.
% All Rights Reserved.
%
% This software is provided AS-IS with no warranty, either express or
% implied.
%
% This software is distributed under license and may not be copied,
% modified or distributed except as expressly authorized under the terms
% of the license contained in the file LICENSE in this distribution.
%
% Refer to licensing information at http://www.artifex.com or contact
% Artifex Software, Inc.,  1305 Grant Avenue - Suite 200, Novato,
% CA 94945, U.S.A., +1(415)492-9861, for further information.
%

% Initialization file for binary tokens.
% When this is run, systemdict is still writable,
% but everything defined here goes into level2dict.

% Define whether or not to allow writing dictionaries.
% This is a non-standard feature!
/WRITEDICTS //false def

languagelevel 1 .setlanguagelevel
level2dict begin

% Initialization for the system name table.

mark
% 0
        /abs /add /aload /anchorsearch /and
        /arc /arcn /arct /arcto /array
        /ashow /astore /awidthshow /begin /bind
        /bitshift /ceiling /charpath /clear /cleartomark
% 20
        /clip /clippath /closepath /concat /concatmatrix
        /copy /count /counttomark /currentcmykcolor /currentdash
        /currentdict /currentfile /currentfont /currentgray /currentgstate
        /currenthsbcolor /currentlinecap /currentlinejoin /currentlinewidth /currentmatrix
% 40
        /currentpoint /currentrgbcolor /currentshared /curveto /cvi
        /cvlit /cvn /cvr /cvrs /cvs
        /cvx /def /defineusername /dict /div
        /dtransform /dup /end /eoclip /eofill
% 60
        /eoviewclip /eq /exch /exec /exit
        /file /fill /findfont /flattenpath /floor
        /flush /flushfile /for /forall /ge
        /get /getinterval /grestore /gsave /gstate
% 80
        /gt /identmatrix /idiv /idtransform /if
        /ifelse /image /imagemask /index /ineofill
        /infill /initviewclip /inueofill /inufill /invertmatrix
        /itransform /known /le /length /lineto
% 100
        /load /loop /lt /makefont /matrix
        /maxlength /mod /moveto /mul /ne
        /neg /newpath /not /null /or
        /pathbbox /pathforall /pop /print /printobject
% 120
        /put /putinterval /rcurveto /read /readhexstring
        /readline /readstring /rectclip /rectfill /rectstroke
        /rectviewclip /repeat /restore /rlineto /rmoveto
        /roll /rotate /round /save /scale
% 140
        /scalefont /search /selectfont /setbbox /setcachedevice
        /setcachedevice2 /setcharwidth /setcmykcolor /setdash /setfont
        /setgray /setgstate /sethsbcolor /setlinecap /setlinejoin
        /setlinewidth /setmatrix /setrgbcolor /setshared /shareddict
% 160
        /show /showpage /stop /stopped /store
        /string /stringwidth /stroke /strokepath /sub
        /systemdict /token /transform /translate /truncate
        /type /uappend /ucache /ueofill /ufill
% 180
        /undef /upath /userdict /ustroke /viewclip
        /viewclippath /where /widthshow /write /writehexstring
        /writeobject /writestring /wtranslation /xor /xshow
        /xyshow /yshow /FontDirectory /SharedFontDirectory /Courier
% 200
        /Courier-Bold /Courier-BoldOblique /Courier-Oblique /Helvetica /Helvetica-Bold
        /Helvetica-BoldOblique /Helvetica-Oblique /Symbol /Times-Bold /Times-BoldItalic
        /Times-Italic /Times-Roman /execuserobject /currentcolor /currentcolorspace
        /currentglobal /execform /filter /findresource /globaldict
% 220
        /makepattern /setcolor /setcolorspace /setglobal /setpagedevice
        /setpattern
% pad to 256
        counttomark 256 exch sub { 0 } repeat
% 256
        /= /== /ISOLatin1Encoding /StandardEncoding
% 260
        ([) cvn (]) cvn /atan /banddevice /bytesavailable
        /cachestatus /closefile /colorimage /condition /copypage
        /cos /countdictstack /countexecstack /cshow /currentblackgeneration
        /currentcacheparams /currentcolorscreen /currentcolortransfer /currentcontext /currentflat
% 280
        /currenthalftone /currenthalftonephase /currentmiterlimit /currentobjectformat /currentpacking
        /currentscreen /currentstrokeadjust /currenttransfer /currentundercolorremoval /defaultmatrix
        /definefont /deletefile /detach /deviceinfo /dictstack
        /echo /erasepage /errordict /execstack /executeonly
% 300
        /exp /false /filenameforall /fileposition /fork
        /framedevice /grestoreall /handleerror /initclip /initgraphics
        /initmatrix /instroke /inustroke /join /kshow
        /ln /lock /log /mark /monitor
% 320
        /noaccess /notify /nulldevice /packedarray /quit
        /rand /rcheck /readonly /realtime /renamefile
        /renderbands /resetfile /reversepath /rootfont /rrand
        /run /scheck /setblackgeneration /setcachelimit /setcacheparams
% 340
        /setcolorscreen /setcolortransfer /setfileposition /setflat /sethalftone
        /sethalftonephase /setmiterlimit /setobjectformat /setpacking /setscreen
        /setstrokeadjust /settransfer /setucacheparams /setundercolorremoval /sin
        /sqrt /srand /stack /status /statusdict
% 360
        /true /ucachestatus /undefinefont /usertime /ustrokepath
        /version /vmreclaim /vmstatus /wait /wcheck
        /xcheck /yield /defineuserobject /undefineuserobject /UserObjects
        /cleardictstack
% 376
        /A /B /C /D /E /F /G /H /I /J /K /L /M
        /N /O /P /Q /R /S /T /U /V /W /X /Y /Z
        /a /b /c /d /e /f /g /h /i /j /k /l /m
        /n /o /p /q /r /s /t /u /v /w /x /y /z
% 428
        /setvmthreshold (<<) cvn
        (>>) cvn /currentcolorrendering /currentdevparams /currentoverprint /currentpagedevice
        /currentsystemparams /currentuserparams /defineresource /findencoding /gcheck
% 440
        /glyphshow /languagelevel /product /pstack /resourceforall
        /resourcestatus /revision /serialnumber /setcolorrendering /setdevparams
        /setoverprint /setsystemparams /setuserparams /startjob /undefineresource
        /GlobalFontDirectory /ASCII85Decode /ASCII85Encode /ASCIIHexDecode /ASCIIHexEncode
% 460
        /CCITTFaxDecode /CCITTFaxEncode /DCTDecode /DCTEncode /LZWDecode
        /LZWEncode /NullEncode /RunLengthDecode /RunLengthEncode /SubFileDecode
        /CIEBasedA /CIEBasedABC /DeviceCMYK /DeviceGray /DeviceRGB
        /Indexed /Pattern /Separation /CIEBasedDEF /CIEBasedDEFG
% 480
        /DeviceN
% 481 -- end
.packtomark .installsystemnames

% Define printobject and writeobject.
% These are mostly implemented in PostScript, so that we don't have to
% worry about interrupts or callbacks when writing to the output file.

% Define procedures for accumulating the space required to represent
% an object in binary form.  The procedures for composite objects (arrays
% and dictionaries) leave different results on the stack:
%	<#refs> <#chars> <simple_obj> -proc- <#refs> <#chars>
%	<#refs> <#chars> <array|dict> -proc- <array|dict> <#refs> <#chars>
% This is required so that .writeobjects can also accumulate the actual
% list of composite objects to write in the binary object sequence.
/cntdict mark
  /integertype /pop load
  /realtype 1 index
  /marktype 1 index
  /nulltype 1 index
  /booleantype 1 index
  /nametype { length add } bind
  /stringtype 1 index
  /arraytype //null
  /dicttype //null
.dicttomark def
/.cntobj {	% <<arguments and results as for procedures in cntdict>>
  dup type //cntdict exch get exec
} .bind def
cntdict /arraytype {
  dup dup length 5 -1 roll add 4 2 roll { .cntobj } forall
} bind put
cntdict /dicttype {
  WRITEDICTS {
    dup dup length 2 mul 5 -1 roll add 4 2 roll {
        % We have to use .execn here, rather than simply rolling the
        % value under the top elements, because key might involve arrays
        % or dictionaries.
      cvlit {.cntobj} exch 2 .execn .cntobj
    } forall
  } {
    /writeobject .systemvar /typecheck signalerror
  } ifelse
} bind put

/w2dict mark
  /nametype { 2 copy .writecvs pop } bind
  /stringtype 1 index
.dicttomark def

/.bosheader {		% <top_length> <total_length> <string8> .bosheader
                        %   <string4|8>
  dup 0 currentobjectformat 127 add put		% object format => BOS tag
  2 index 255 le 2 index 65531 le and {
        % Use the short header format: tag toplen(1) totlen(2)
    exch 4 add exch
    0 4 getinterval
    dup 1 5 -1 roll put
  } {
        % Use the long header format: tag 0(1) toplen(2) totlen(4)
    exch 8 add exch
     0 0 4 2 roll .bosobject exch pop exch pop	% store with byte swapping
  } ifelse		% Stack: shortlen str
  exch dup -8 bitshift exch 255 and	% str hibyte lobyte
  currentobjectformat 1 and 0 eq {	% lsb first
    exch
  } if
  2 index 3 3 -1 roll put
  1 index 2 3 -1 roll put
} .bind def

/.writeobjects {	% <file> <tag> <array> .writeobjects -
  mark exch

% Count the space required for refs and strings.

dup length 0 3 -1 roll
        % Stack: file tag -mark- #refs #chars array
  dup 4 1 roll { .cntobj } forall

% Write the header.

% Stack: file tag -mark- array1 ... (array|dict)N #refs #chars
  counttomark 3 add -2 roll 4 1 roll
        % Stack: -mark- array1 ... (array|dict)N tag #refs #chars file
  dup counttomark 1 sub index length
  4 index 3 bitshift 4 index add
  (xxxxxxxx) .bosheader writestring

% Write the objects per se.

3 1 roll pop
  counttomark 1 sub index length 3 bitshift exch
  3 bitshift
        % Stack: -mark- array1 ... (array|dict)N tag file ref# char#
  counttomark 4 sub {
    counttomark -1 roll dup 6 1 roll
        % Stack: ... objN tag file ref# char# objN
    dup type /dicttype eq {		% can't be first object
      { 5 1 roll (x\000xxxxxx) .bosobject
        3 index exch writestring
        4 -1 roll (x\000xxxxxx) .bosobject
        3 index exch writestring
      } forall
    } {
      { (x\000xxxxxx) .bosobject
        dup 1 6 index put
        3 index exch writestring
        4 -1 roll pop 0 4 1 roll	% clear tag
      } forall
    } ifelse
  } repeat

% Write the strings and names.

pop pop exch pop
        % Stack: -mark- array1 ... array|dictN file
  counttomark 1 sub {
    counttomark -1 roll {
                % The counting pass ensured that the keys and values
                % of any dictionary must be writable objects.
                % Hence, we are processing a dictionary iff
                % the next-to-top stack element is not a file.
      1 index type /filetype ne {
        exch 2 index exch dup type //w2dict exch .knownget
         { exec } { pop } ifelse pop
      } if
      dup type //w2dict exch .knownget { exec } { pop } ifelse
    } forall
  } repeat

% Clean up.

% Stack: -mark- file
  pop pop

} .bind def

/printobject {		% <obj> <tag> printobject -
  currentobjectformat 0 eq {
      /printobject .systemvar /undefined signalerror
  } if
  (%stdout) (w) file 2 index 2 index .writeobject pop pop
} odef
/writeobject {		% <file> <obj> <tag> writeobject -
  currentobjectformat 0 eq {
      /writeobject .systemvar /undefined signalerror
  } if
  2 .argindex pop	% check # of args
  .writeobject
} odef
/.writeobject {
  3 copy exch
                % We must allocate the array in local VM
                % to avoid a possible invalidaccess.
  .currentglobal //false .setglobal exch 1 array astore exch .setglobal
  .writeobjects pop pop pop
} .bind def

% Implement binary error message output.
/.objectprinttest {		% <obj> .objectprinttest -
                % This is a pseudo-operator so it will restore the stack
                % if it gets an error.
  mark 0 0 3 .argindex .cntobj cleartomark pop
} bind odef
/.printerror {
  $error /binary get .languagelevel 2 ge and {
    currentobjectformat 0 ne {
      [ /Error $error /errorname get $error /command get
                % Convert the object with cvs if it isn't printable.
      dup { .objectprinttest } .internalstopped {
        pop 100 string cvs
      } if
      //false ] 250 printobject
    }
    //.printerror	% known to be a procedure
    ifelse
  }
  //.printerror		% known to be a procedure
  ifelse
} bind def

currentdict /cntdict .undef
currentdict /w2dict .undef

% End of level2dict

end
.setlanguagelevel

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