|
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283 |
- % Copyright (C) 1992, 1993, 1994, 1999 Aladdin Enterprises. 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.
- %
- % For more information about licensing, please refer to
- % http://www.ghostscript.com/licensing/. For information on
- % commercial licensing, go to http://www.artifex.com/licensing/ or
- % contact Artifex Software, Inc., 101 Lucas Valley Road #110,
- % San Rafael, CA 94903, U.S.A., +1(415)492-9861.
-
- % $Id: traceop.ps 6300 2005-12-28 19:56:24Z giles $
- % 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
|