mirror of git://gcc.gnu.org/git/gcc.git
425 lines
13 KiB
Perl
425 lines
13 KiB
Perl
# Library of functions for dealing with DejaGNU, or which are otherwise
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# generally useful for the DejaGNU tool stack.
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#
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# Author: Matthew Sachs <msachs@apple.com>
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#
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# Functions:
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# parseLogFile: See "sub parseLogFile" below for details. This function
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# returns a detailed parse of a DejaGNU log or sum file.
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# ispass: Takes a DejaGNU result (e.g. "PASS", "XPASS") and returns
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# true if and only if it is a passing result (PASS, XFAIL, or
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# KFAIL.)
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#
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# Copyright (c) 2006 Free Software Foundation.
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#
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# This file is part of GCC.
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#
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# GCC 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, or (at your option)
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# any later version.
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#
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# GCC 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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#
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# You should have received a copy of the GNU General Public License
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# along with GCC; see the file COPYING. If not, write to
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# the Free Software Foundation, 51 Franklin Street, Fifth Floor,
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# Boston, MA 02110-1301, USA.
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package dglib;
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use strict;
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use warnings;
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use Exporter;
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our @ISA = qw(Exporter);
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our @EXPORT = qw(ispass parseLogFile);
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use File::Basename;
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use POSIX qw(mktime);
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# Create a group hierarchy, returning the leaf node
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sub mkGroupPath {
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my($root, $groups, @newgroups) = @_;
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my $parent = $root;
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my $fullname = "";
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foreach my $group(@newgroups) {
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$fullname .= "/" if $fullname;
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$fullname .= $group;
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if(exists($groups->{$fullname})) {
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$parent = $groups->{$fullname};
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} else {
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my $newgroup = {name => $group, parent => $parent};
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$groups->{$fullname} = $newgroup;
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$parent->{testgroup} ||= [];
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push @{$parent->{testgroup}}, $newgroup;
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$parent = $newgroup;
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}
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}
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return $parent;
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}
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# Extract information from DejaGNU log or sum files.
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# Options, if provided, should be a hashref with zero or more of the following keys:
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# gccdir:
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# Passing in the full path to the root of the gcc/testsuite directory
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# will help in the parsing, but if it isn't provided, it will be guessed.
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# diagnostics:
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# If set to 0, diagnostics will not be returned. This can save a lot
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# of memory if you are not using this information.
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# fullname:
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# If set to 0, the fullname key will not be included in tests.
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# Returns a hash with the following keys:
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# incomplete: 1 if the summary file appears truncated, otherwise 0
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# diagnostics: List of (type, value) for any errors detected. Type can be ERROR, WARNING, or NOTE.
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# test: Array of root-level tests, with keys:
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# name: Name of the test, relative to the enclosing test group.
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# fullname: Fully-qualified name of the test.
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# result: DejaGNU result (PASS, FAIL, XPASS, &c)
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# detail: For multi-phase (e.g. compile/link/execute), this will be
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# the furthest phase which the test was able to attempt,
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# so if the result is FAIL and this is "link phase", the test
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# compiled but failed to link. This key may contain other
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# auxiliary data.
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# pseudotest: If 1, this test may not really exist; see "pseudotest" below.
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# testgroup: Array of root-level testgroups, with keys:
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# name: Name of the group.
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# parent: Parent test group.
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# test: As per above.
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# testgroup: Child test groups.
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# compiler: Version string from compiler used to run the tests (if detected)
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sub parseLogFile($;$) {
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my($logfile, $options) = @_;
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$options ||= {};
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my $gccdir = $options->{gccdir} || "";
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my $return_diags = exists($options->{diagnostics}) ? $options->{diagnostics} : 1;
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my $emit_fullname = exists($options->{fullname}) ? $options->{fullname} : 1;
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my $is_gdb = 0;
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my $gdbhack = "";
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my %ret = (incomplete => 1, diagnostics => [], testgroup => []);
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my(%testindex, %groupindex);
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open(LOGFILE, $logfile) or die "Couldn't open log file $logfile: $!\n";
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my($currgroup, $currtest, $lastrun);
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$currgroup = \%ret;
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my %monmap = (Jan => 0, Feb => 1, Mar => 2, Apr => 3, May => 4, Jun => 5, Jul => 6, Aug => 7, Sep => 8, Oct => 9, Nov => 10, Dec => 11);
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# We don't want gccdir matching on an empty string.
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$gccdir ||= "this will never match, or my name isn't Reginald St. Croix";
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my $line = 1;
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while(<LOGFILE>) {
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chomp;
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s/\x{d}$//; #^M
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next if $_ eq "";
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if(/^gcc version/) {
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$ret{compiler} = $_;
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} elsif(/^got a .* signal, interrupted by user /) {
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$ret{incomplete} = 2;
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} elsif(/^\s*=== gdb/) {
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$is_gdb = 1;
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# The log file from the GDB test suite is prone to have random crap
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# in front of test result lines, so we need to be looser about how
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# we parse those for GDB.
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$gdbhack = ".*";
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} elsif(/^(Test Run By \S+ on|runtest completed at) ... (.{3}) (\d{1,2}) (\d{1,2}):(\d{1,2}):(\d{1,2}) (\d{4})/) {
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my $time = mktime($6, $5, $4, $3, $monmap{$2}, $7 - 1900);
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if($1 eq "runtest completed at") {
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$ret{end_time} = $time;
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} else {
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$ret{start_time} = $time;
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}
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} elsif(m<^Running (?!target )\Q$gccdir\E/?(\S+)> or m<^Running (?!target )\S*?((?:gcc|gdb|libstdc\+\+-v3)/testsuite/\S+)>) {
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# We keep track of the last "Running foo/bar/baz.exp" line because
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# some tests don't bother printing out the full paths of their files,
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# and this gives us the directory information.
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$lastrun = $1;
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$lastrun =~ s!/[^/]*/\.\.!!; # foo/bar/../baz -> foo/baz
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$currgroup = mkGroupPath(\%ret, \%groupindex, split(m!/!, $lastrun));
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#$currgroup->{testfile} = $lastrun;
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} elsif(/^Executing on (.*?):(.*)/) {
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# Okay, if it's "Executing on host", it's a new
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# file. If it's "Executing on unix", it's probably
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# a test within the file -- an execution test, specifically --
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# (makes sense, no?) But not always, sometimes we
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# see "Executing on unix" outside the context of a
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# file.
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# Try to pick out the gccdir-relative filename.
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# If we can't find it, it isn't really a new testfile,
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# but a derived file.
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my($exectype, $execwhat) = ($1, $2);
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next if $execwhat =~ /^dsymutil/;
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$execwhat =~
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s!.*?\s\Q$gccdir\E/?(\S+).*!$1! or
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s!.*?/((?:gcc|gdb|libstdc\+\+-v3)/testsuite/\S+).*!$1! or
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$exectype = "unix";
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if($exectype eq "host" or !$currgroup) {
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# New file
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my $nogroup = 0;
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if($execwhat =~ / /) {
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# We probably haven't parsed the file correctly.
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# Try getting it from $lastrun.
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$execwhat = dirname($lastrun) . "/" . basename($execwhat) if $lastrun and $execwhat;
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$execwhat =~ s/\s.*//;
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# At the end of each tool, it invokes "gcc -v" or "c++ -v"
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# as a test. We don't really want to treat this as a test.
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if($execwhat =~ m!/(gcc|c\+\+)$!) {
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undef $currtest;
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undef $currgroup;
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$nogroup = 1;
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}
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}
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if(!$nogroup) {
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undef $currtest;
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$execwhat =~ s!/[^/]*/\.\.!!; # foo/bar/../baz -> foo/baz
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if($lastrun) {
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my $lastbase = dirname($lastrun);
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my $basegroup = $execwhat;
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$basegroup =~ s!^\Q$lastbase\E/!!;
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$execwhat = "$lastrun/$basegroup";
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}
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$currgroup = mkGroupPath(\%ret, \%groupindex, split(m!/!, $execwhat));
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#$currgroup->{testfile} = $execwhat;
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}
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} else {
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# New test within current file
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$currtest = {};
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}
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} elsif(/^# of/) {
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# This line appears should appear near the end of summary files.
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# If it doesn't, something went wrong.
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if($ret{incomplete} == 2) {
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#Ah, but we previously saw indication that we were killed via a signal.
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$ret{incomplete} = 1;
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} else {
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$ret{incomplete} = 0;
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}
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} elsif(/^testcase .* completed/) {
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# End of a .exp file
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undef $currtest;
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undef $currgroup;
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} elsif(/^$gdbhack(FAIL|PASS|UNRESOLVED|UNSUPPORTED|UNTESTED|XFAIL|XPASS|KFAIL|KPASS): (.*)/) {
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# If the currtest already has a name, that means we've already seen
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# its results, so what we have now is a new test. However, if we
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# haven't seen results for currtest yet, that means currtest just
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# has some diagnostics associated with it but no actual results,
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# so just use that one.
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undef $currtest if $currtest->{name};
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my $phase = ""; # compile/link/execute
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my($test, $result) = ($2, $1);
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# Compile/(link/)execute combining
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if($test =~ /^(.*) compile\s*$/) {
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$test = "$1 compile,link,execute";
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$phase = "compile";
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} elsif($test =~ /^(.*)-(.*) (link|execute)\s*$/) {
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$test = "$1 compile,link,execute";
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if($3 eq "link") {
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$phase = "link";
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} else {
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$phase = "execute";
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}
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} elsif($test =~ /(compile|compilation|execute|execution)/) {
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my $phasematch = $1;
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if($test =~ /^com/) {
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$phase = "compile";
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} else {
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$phase = "execute";
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}
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$test =~ s!\Q$phasematch\E!compile,execute!;
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}
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# gcov tests behave in non-standard fashion.
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my $failwhy = "";
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$test =~ s/ gcov failed: (.*)// and $failwhy = $1;
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# And some other tests have random information after a colon :(
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# But for scan-assembler, this really is part of the name.
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if(!$is_gdb and $test !~ /scan-assembler/ and $test =~ s/:\s*(.+)//) {
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$failwhy = $1;
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}
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$test =~ s/\s*$//;
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$test =~ s/^\s*$//;
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# Sometimes there's a test which shows up as:
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# foo (test for excess errors)
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# foo (something else)
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# foo: error executing dg-final
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# if it runs, but just:
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# foo
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# if it doesn't. When we see the top form, we create a
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# "pseudotest" in the bottom form, so that comparisons
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# can be made.
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my $basetest = $test;
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$basetest =~ s/:? .*//;
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if(exists($testindex{$test}) and !$testindex{$test}->{pseudotest}) {
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$currtest = $testindex{$test};
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if(ispass($currtest->{result})) {
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$currtest->{result} = $result;
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$currtest->{detail} = "$phase phase";
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$currtest->{detail} .= "; $failwhy" if $failwhy;
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}
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} else {
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# This might have been created earlier as a pseudotest.
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# If so, overwrite it.
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$currtest ||= $testindex{$test} || {};
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$currtest->{name} = basename($test);
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if($emit_fullname) {
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$currtest->{fullname} = ($currgroup->{name} || dirname($test)) . "/$currtest->{name}";
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}
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my $grpname = $currgroup->{name} || "";
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$currtest->{name} =~ s/^\s*\Q$grpname\E\s*//;
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$currtest->{name} =~ s/^: // if $is_gdb;
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# Sometimes there's a test at the root of the group.
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# For instance, you'll have:
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# FAIL: foo/bar.c (test for excess errors)
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# UNRESOLVED: foo/bar.c: couldn't open "bar.s": no such file or directory
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# In this case, groupname *is* the entire name, so the regex above will make the test name empty.
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# In this case, we actually want to use the parent group and make this a test within that group.
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my $orig_currgroup = $currgroup;
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if(!$currtest->{name}) {
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$currtest->{name} = $grpname;
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$currgroup = $currgroup->{parent};
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$grpname = $currgroup->{name} || "";
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}
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$currtest->{result} = $result;
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if($phase and $failwhy) {
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$currtest->{detail} = "$phase phase; $failwhy" if $phase;
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} elsif($phase) {
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$currtest->{detail} = "$phase phase";
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} elsif($failwhy) {
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$currtest->{detail} = $failwhy;
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}
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$currgroup->{test} ||= [];
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push @{$currgroup->{test}}, $currtest;
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$testindex{$test} = $currtest;
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$currgroup = $orig_currgroup;
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if($basetest ne $test) {
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if(!exists($testindex{$basetest}) ) {
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my $btbase = basename($basetest);
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$testindex{$basetest} = {
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name => $btbase,
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result => $result,
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pseudotest => 1,
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fullname => $btbase
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};
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if($emit_fullname) {
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$testindex{basetest}->{fullname} = ($currgroup->{name} || dirname($basetest)) . "/$btbase";
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}
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push @{$currgroup->{parent}->{test}}, $testindex{$basetest};
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} else {
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# Only let the base test pass if all the sub-tests pass
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$testindex{$basetest}->{result} = $result if !ispass($result);
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}
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}
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}
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} elsif(/^\s+=== .* Summary ===\s*$/) {
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undef $currgroup;
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undef $currtest;
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}
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my $severity;
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if(/^(ERROR|WARNING|NOTE): (.*)/) {
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$severity = $1;
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my $message = $2;
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if($message eq "program timed out.") {
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$currtest->{result} = "TIMEDOUT";
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} elsif(
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$message =~ /can't read "(HOSTCC|libiconv)": no such variable/ or
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$message =~ /no files matched glob pattern/ or
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$message =~ /error executing dg-final: .*: no such file/
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) {
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$severity = "NOTE";
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}
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} else {
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$severity = "logline";
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}
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if($return_diags) {
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my $dobj;
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if($currtest) {
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$currtest->{diagnostics} ||= [];
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$dobj = $currtest->{diagnostics};
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} elsif($currgroup) {
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$currgroup->{diagnostics} ||= [];
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$dobj = $currgroup->{diagnostics};
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} else {
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$dobj = $ret{diagnostics};
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}
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push @$dobj, {message => $_, severity => $severity, line => $line};
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}
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} continue {
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$line++;
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}
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close LOGFILE;
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return %ret;
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}
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# Split a test into testdivs
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sub splitTest($$) {
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my($root, $test) = @_;
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$test->{fullname} =~ /^(\S+)\s*(.*)/;
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my($path, $descriptor) = ($1, $2);
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my @nodes = split(m!/!, $path);
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push @nodes, $descriptor if $descriptor;
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my $lastnode = pop @nodes;
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my $hash = $root;
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foreach (@nodes) {
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$hash->{testdiv} ||= {};
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$hash = $hash->{testdiv}->{$_} ||= {};
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}
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$hash->{test} ||= {};
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$hash->{test}->{$lastnode} = $test;
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}
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# ==== Comparison ====
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sub ispass($) {
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my $result = shift;
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if($result eq "PASS" or $result eq "XFAIL" or $result eq "KFAIL") {
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return 1;
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} else {
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return 0;
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}
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}
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1;
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