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-% 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