159 lines
5.2 KiB
PostScript
159 lines
5.2 KiB
PostScript
% === BEGIN ps-print prologue 0
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% version: 6.0
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% Copyright (C) 2000-2024 Free Software Foundation, Inc.
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% This file is part of GNU Emacs.
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% GNU Emacs is free software: you can redistribute it and/or modify
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% it under the terms of the GNU General Public License as published by
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% the Free Software Foundation, either version 3 of the License, or
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% (at your option) any later version.
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% GNU Emacs is distributed in the hope that it will be useful,
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% but WITHOUT ANY WARRANTY; without even the implied warranty of
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% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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% GNU General Public License for more details.
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% You should have received a copy of the GNU General Public License
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% along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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% As a special exception, the copyright holders of this module give
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% you permission to include the module in a Postscript file generated
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% by Emacs or other free software together with the result of
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% converting text to be printed, regardless of the license terms of
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% that text, and to use under terms of your choice the page images
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% resulting from formatting said combination. If you modify this
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% module, you may extend this exception to your version of the module
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% but you are not obligated to do so. If you do not wish to do so,
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% delete this exception statement from your version.
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%%BeginProcSet: ErrorHandler
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% Downloaded Error Break-page handler
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% Adapted from:
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% PostScript Language Program Design,
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% Adobe Systems Incorporated.
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% Appendix A, pages 217-219
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/ps$brkpage where{pop}
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{
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/ps$brkpage 64 dict def
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ps$brkpage begin
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/tx 0 def/ty 0 def/toy 0 def/tox 0 def
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/prnt{
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dup type/stringtype ne{=string cvs}if
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dup length 6 mul
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/tx exch def/ty 10 def
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currentpoint/toy exch def/tox exch def
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1 setgray newpath
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tox toy 2 sub moveto
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0 ty rlineto tx 0 rlineto
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0 ty neg rlineto
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closepath fill
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tox toy moveto 0 setgray show
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}bind def
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/nl{currentpoint exch pop lmargin exch moveto 0 -10 rmoveto}def
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/=={/cp 0 def typeprint nl}def
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/typeprint{dup type dup currentdict exch known{exec}{unknowntype}ifelse}readonly def
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/lmargin 72 def
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/rmargin 72 def
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/tprint{
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dup length cp add rmargin gt{nl/cp 0 def}if
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dup length cp add/cp exch def
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prnt
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}readonly def
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/cvsprint{=string cvs tprint( )tprint}readonly def
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/unknowntype{exch pop cvlit(??)tprint cvsprint}readonly def
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/integertype{cvsprint}readonly def
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/realtype{cvsprint}readonly def
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/booleantype{cvsprint}readonly def
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/operatortype{(//)tprint cvsprint}readonly def
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/marktype{pop(-mark-)tprint}readonly def
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/dicttype{pop(-dictionary-)tprint}readonly def
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/nulltype{pop(-null-)tprint}readonly def
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/filetype{pop(-filestream-)tprint}readonly def
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/savetype{pop(-savelevel-)tprint}readonly def
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/fonttype{pop(-fontid-)tprint}readonly def
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/nametype{dup xcheck not{(/)tprint}if cvsprint}readonly def
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/stringtype{
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dup rcheck
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{(\()tprint tprint(\))tprint}
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{pop(-string-)tprint}ifelse}readonly def
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/arraytype{
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dup rcheck
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{dup xcheck
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{({)tprint{typeprint}forall(})tprint}
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{([)tprint{typeprint}forall(])tprint}ifelse}
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{pop(-array-)tprint}ifelse}readonly def
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/packedarraytype{
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dup rcheck
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{dup xcheck
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{({)tprint{typeprint}forall(})tprint}
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{([)tprint{typeprint}forall(])tprint}ifelse}
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{pop(-packedarray-)tprint}ifelse}readonly def
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/courier/Courier findfont 10 scalefont def
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/OLDhandleerror errordict/handleerror get def
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end %ps$brkpage
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/handleerror{
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systemdict begin $error begin ps$brkpage begin
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newerror
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{/newerror false store vmstatus pop pop 0 ne{grestoreall}if
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initgraphics
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ErrorMessage 1 and 0 ne{ % print on paper
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courier setfont lmargin 720 moveto
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(# ERROR: )prnt errorname prnt nl
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(# OFFENDING COMMAND: )prnt/command load prnt
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$error/ostack known
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{nl nl(# STACK:)prnt nl nl $error/ostack get aload length{==}repeat}if
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$error/errorinfo known
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{nl nl(# ERRORINFO:)prnt nl nl $error/errorinfo get aload length{==}repeat}if
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systemdict/showpage get exec}if
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ErrorMessage 2 and 0 ne{ % send back to printing system
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(\%\%[ Error: )print errorname =print
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(; OffendingCommand: )print/command load =print
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$error/errorinfo known
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{(; ErrorInfo:)print $error/errorinfo get aload length{( )=print =print}repeat}if
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( ]\%\%)= flush
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(\%\%[ Rest of job is ignored ]\%\%)= flush}if
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/newerror true store}if
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end end end
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stop
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} % handleerror
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dup 0 systemdict put % replace name by actual dict object
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dup 4 ps$brkpage put % replace name by dict object
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bind readonly
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errordict 3 1 roll put % put proc in errordict as /handleerror
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}ifelse
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%%EndProcSet
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% operators for language level 2 only
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(<<)cvn where % << operator
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{pop/BMark(<<)cvn load def}
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{/BMark{mark}bind def}ifelse
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(>>)cvn where % >> operator
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{pop/EMark(>>)cvn load def}
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{/EMark{counttomark 2 idiv dup dict begin{def}repeat pop currentdict end}bind def}ifelse
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/setpagedevice where % setpagedevice
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{pop}
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{/setpagedevice{pop}bind def}ifelse
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/packedarray where % packedarray
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{pop}
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{/packedarray{array astore readonly}bind def}ifelse
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% device dependent operators
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/DefOp{
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dup where{pop pop pop}
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{exch dup where{pop}{pop/pop}ifelse load def}ifelse}def
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/duplexmode/setduplexmode DefOp
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/tumble/settumble DefOp
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% === END ps-print prologue 0
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