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Diffstat (limited to 'Master/xemtex/gslib/traceop.ps')
-rw-r--r-- | Master/xemtex/gslib/traceop.ps | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/Master/xemtex/gslib/traceop.ps b/Master/xemtex/gslib/traceop.ps new file mode 100644 index 00000000000..3ac00cb8623 --- /dev/null +++ b/Master/xemtex/gslib/traceop.ps @@ -0,0 +1,84 @@ +% Copyright (C) 1992, 1993, 1994, 1999 Aladdin Enterprises. All rights reserved. +% +% This program is free software; you can redistribute it and/or modify it +% under the terms of the GNU General Public License as published by the +% Free Software Foundation; either version 2 of the License, or (at your +% option) any later version. +% +% This program is distributed in the hope that it will be useful, but +% WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +% Public License for more details. +% +% You should have received a copy of the GNU General Public License along +% with this program; if not, write to the Free Software Foundation, Inc., +% 59 Temple Place, Suite 330, Boston, MA, 02111-1307. + +% $Id: traceop.ps,v 1.2.6.1.2.1 2003/04/12 14:02:39 giles Exp $ +% Trace individual operators or procedures. +% <opref> is <opname> or <opname> <dict> +% (dict defaults to dict where op is currently defined, if writable; +% otherwise uses userdict) +% <opref> traceop prints vmem usage before; +% <opref> <numargs|preproc> prints arguments or runs proc before; +% <opref> <numargs|preproc> <numresults|postproc> +% also prints results or runs proc after. +% If traceflush is true, flush the output after each printout. +/traceflush true def + +currentpacking true setpacking +.currentglobal true .setglobal + +% Define the default "before" action +/tracebefore { vmstatus 3 traceprint pop pop pop } def + +% Define the default "after" action +/traceafter { } def + +/traceprint { + dup type /integertype eq { + 1 sub -1 0 { ( ) print index ==only } for + } { + exec + } ifelse +} bind def +/traceend { + traceflush { flush } if +} bind def +/traceop { + userdict begin + dup type dup /nametype eq exch /dicttype eq or { { tracebefore } } if + 1 index type dup /nametype eq exch /dicttype eq or { { traceafter } } if + /.tpost exch def /.tpre exch def + dup type /dicttype ne { + dup where not { userdict 1 index {} put userdict } if + } if + dup dup wcheck not { + (Warning: substituting userdict for non-writable dictionary.) = + pop userdict + } if + /.tddict exch def /.tdict exch def /.tname exch cvlit def + .currentglobal [ + .tname /=only cvx ( ) /print cvx + /.tpre load /traceprint cvx /traceend cvx + .tdict .tname get /.tdef 1 index cvlit def + dup xcheck { + dup type dup /arraytype eq exch /packedarraytype eq or { + /exec cvx + } if + } if + /.tpost load /traceprint cvx () /= cvx /traceend cvx + .tdef gcheck /.tpre load gcheck and /.tpost load gcheck and .setglobal + ] cvx + .tdef type /operatortype eq { + .tname exch .makeoperator + } if + exch .setglobal + .tddict exch .tname exch put + end % userdict +} bind def +/tracebind /bind load def % in case someone wants to put it back +/bind { } def % disable + +.setglobal +setpacking |