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TRACEOP.PS
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1992-02-08
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1KB
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43 lines
% Trace individual operators or procedures.
% <opname> traceop prints vmem usage
% <opname> <numargs|preproc> prints arguments or runs proc before
% <opname> <numargs|preproc> <numresults|postproc>
% also prints results or runs proc after
% If traceflush is true, flush the output after each printout.
/traceflush true def
% 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 /nametype eq { { tracebefore } } if
1 index type /nametype eq { { traceafter } } if
/.tpost exch def /.tpre exch def /.tname exch def
.tname where not { .tname {} def userdict } if /.tdict exch def
.tdict dup systemdict eq { pop userdict } if /.tddict exch def
[ .tname /=only cvx ( ) /print cvx
/.tpre load /traceprint cvx /traceend cvx
.tname load
dup xcheck
{ dup type dup /arraytype eq exch /packedarraytype eq or
{ /exec cvx
} if
} if
/.tpost load /traceprint cvx (\n) /print cvx /traceend cvx
] cvx .tddict exch .tname exch put end
} bind def
/bind { } def % disable