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-rwxr-xr-xMaster/tlpkg/tlperl.straw/lib/B/Debug.pm420
1 files changed, 420 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl.straw/lib/B/Debug.pm b/Master/tlpkg/tlperl.straw/lib/B/Debug.pm
new file mode 100755
index 00000000000..2bcfb436d81
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+++ b/Master/tlpkg/tlperl.straw/lib/B/Debug.pm
@@ -0,0 +1,420 @@
+package B::Debug;
+
+our $VERSION = '1.11';
+
+use strict;
+require 5.006;
+use B qw(peekop class walkoptree walkoptree_exec
+ main_start main_root cstring sv_undef);
+use Config;
+my (@optype, @specialsv_name);
+require B;
+if ($] < 5.009) {
+ require B::Asmdata;
+ B::Asmdata->import qw(@optype @specialsv_name);
+} else {
+ B->import qw(@optype @specialsv_name);
+}
+my $have_B_Flags;
+if (!$ENV{PERL_CORE}){ # avoid CORE test crashes
+ eval { require B::Flags and $have_B_Flags++ };
+}
+my %done_gv;
+
+sub _printop {
+ my $op = shift;
+ my $addr = ${$op} ? $op->ppaddr : '';
+ $addr =~ s/^PL_ppaddr// if $addr;
+ return sprintf "0x%x %s %s", ${$op}, ${$op} ? class($op) : '', $addr;
+}
+
+sub B::OP::debug {
+ my ($op) = @_;
+ printf <<'EOT', class($op), $$op, $op->ppaddr, _printop($op->next), _printop($op->sibling), $op->targ, $op->type;
+%s (0x%lx)
+ op_ppaddr %s
+ op_next %s
+ op_sibling %s
+ op_targ %d
+ op_type %d
+EOT
+ if ($] > 5.009) {
+ printf <<'EOT', $op->opt;
+ op_opt %d
+EOT
+ } else {
+ printf <<'EOT', $op->seq;
+ op_seq %d
+EOT
+ }
+ if ($have_B_Flags) {
+ printf <<'EOT', $op->flags, $op->flagspv, $op->private, $op->privatepv;
+ op_flags %d %s
+ op_private %d %s
+EOT
+ } else {
+ printf <<'EOT', $op->flags, $op->private;
+ op_flags %d
+ op_private %d
+EOT
+ }
+}
+
+sub B::UNOP::debug {
+ my ($op) = @_;
+ $op->B::OP::debug();
+ printf "\top_first\t%s\n", _printop($op->first);
+}
+
+sub B::BINOP::debug {
+ my ($op) = @_;
+ $op->B::UNOP::debug();
+ printf "\top_last \t%s\n", _printop($op->last);
+}
+
+sub B::LOOP::debug {
+ my ($op) = @_;
+ $op->B::BINOP::debug();
+ printf <<'EOT', _printop($op->redoop), _printop($op->nextop), _printop($op->lastop);
+ op_redoop %s
+ op_nextop %s
+ op_lastop %s
+EOT
+}
+
+sub B::LOGOP::debug {
+ my ($op) = @_;
+ $op->B::UNOP::debug();
+ printf "\top_other\t%s\n", _printop($op->other);
+}
+
+sub B::LISTOP::debug {
+ my ($op) = @_;
+ $op->B::BINOP::debug();
+ printf "\top_children\t%d\n", $op->children;
+}
+
+sub B::PMOP::debug {
+ my ($op) = @_;
+ $op->B::LISTOP::debug();
+ printf "\top_pmreplroot\t0x%x\n", $] < 5.008 ? ${$op->pmreplroot} : $op->pmreplroot;
+ printf "\top_pmreplstart\t0x%x\n", ${$op->pmreplstart};
+ printf "\top_pmnext\t0x%x\n", ${$op->pmnext} if $] < 5.009005;
+ if ($Config{'useithreads'}) {
+ printf "\top_pmstashpv\t%s\n", cstring($op->pmstashpv);
+ printf "\top_pmoffset\t%d\n", $op->pmoffset;
+ } else {
+ printf "\top_pmstash\t%s\n", cstring($op->pmstash);
+ }
+ printf "\top_precomp\t%s\n", cstring($op->precomp);
+ printf "\top_pmflags\t0x%x\n", $op->pmflags;
+ printf "\top_reflags\t0x%x\n", $op->reflags if $] >= 5.009;
+ printf "\top_pmpermflags\t0x%x\n", $op->pmpermflags if $] < 5.009;
+ printf "\top_pmdynflags\t0x%x\n", $op->pmdynflags if $] < 5.009;
+ $op->pmreplroot->debug if $] < 5.008;
+}
+
+sub B::COP::debug {
+ my ($op) = @_;
+ $op->B::OP::debug();
+ my $cop_io = class($op->io) eq 'SPECIAL' ? '' : $op->io->as_string;
+ printf <<'EOT', $op->label, $op->stashpv, $op->file, $op->cop_seq, $op->arybase, $op->line, ${$op->warnings}, cstring($cop_io);
+ cop_label "%s"
+ cop_stashpv "%s"
+ cop_file "%s"
+ cop_seq %d
+ cop_arybase %d
+ cop_line %d
+ cop_warnings 0x%x
+ cop_io %s
+EOT
+}
+
+sub B::SVOP::debug {
+ my ($op) = @_;
+ $op->B::OP::debug();
+ printf "\top_sv\t\t0x%x\n", ${$op->sv};
+ $op->sv->debug;
+}
+
+sub B::PVOP::debug {
+ my ($op) = @_;
+ $op->B::OP::debug();
+ printf "\top_pv\t\t%s\n", cstring($op->pv);
+}
+
+sub B::PADOP::debug {
+ my ($op) = @_;
+ $op->B::OP::debug();
+ printf "\top_padix\t%ld\n", $op->padix;
+}
+
+sub B::NULL::debug {
+ my ($sv) = @_;
+ if ($$sv == ${sv_undef()}) {
+ print "&sv_undef\n";
+ } else {
+ printf "NULL (0x%x)\n", $$sv;
+ }
+}
+
+sub B::SV::debug {
+ my ($sv) = @_;
+ if (!$$sv) {
+ print class($sv), " = NULL\n";
+ return;
+ }
+ printf <<'EOT', class($sv), $$sv, $sv->REFCNT, $sv->FLAGS;
+%s (0x%x)
+ REFCNT %d
+ FLAGS 0x%x
+EOT
+}
+
+sub B::RV::debug {
+ my ($rv) = @_;
+ B::SV::debug($rv);
+ printf <<'EOT', ${$rv->RV};
+ RV 0x%x
+EOT
+ $rv->RV->debug;
+}
+
+sub B::PV::debug {
+ my ($sv) = @_;
+ $sv->B::SV::debug();
+ my $pv = $sv->PV();
+ printf <<'EOT', cstring($pv), length($pv);
+ xpv_pv %s
+ xpv_cur %d
+EOT
+}
+
+sub B::IV::debug {
+ my ($sv) = @_;
+ $sv->B::SV::debug();
+ printf "\txiv_iv\t\t%d\n", $sv->IV;
+}
+
+sub B::NV::debug {
+ my ($sv) = @_;
+ $sv->B::IV::debug();
+ printf "\txnv_nv\t\t%s\n", $sv->NV;
+}
+
+sub B::PVIV::debug {
+ my ($sv) = @_;
+ $sv->B::PV::debug();
+ printf "\txiv_iv\t\t%d\n", $sv->IV;
+}
+
+sub B::PVNV::debug {
+ my ($sv) = @_;
+ $sv->B::PVIV::debug();
+ printf "\txnv_nv\t\t%s\n", $sv->NV;
+}
+
+sub B::PVLV::debug {
+ my ($sv) = @_;
+ $sv->B::PVNV::debug();
+ printf "\txlv_targoff\t%d\n", $sv->TARGOFF;
+ printf "\txlv_targlen\t%u\n", $sv->TARGLEN;
+ printf "\txlv_type\t%s\n", cstring(chr($sv->TYPE));
+}
+
+sub B::BM::debug {
+ my ($sv) = @_;
+ $sv->B::PVNV::debug();
+ printf "\txbm_useful\t%d\n", $sv->USEFUL;
+ printf "\txbm_previous\t%u\n", $sv->PREVIOUS;
+ printf "\txbm_rare\t%s\n", cstring(chr($sv->RARE));
+}
+
+sub B::CV::debug {
+ my ($sv) = @_;
+ $sv->B::PVNV::debug();
+ my ($stash) = $sv->STASH;
+ my ($start) = $sv->START;
+ my ($root) = $sv->ROOT;
+ my ($padlist) = $sv->PADLIST;
+ my ($file) = $sv->FILE;
+ my ($gv) = $sv->GV;
+ printf <<'EOT', $$stash, $$start, $$root, $$gv, $file, $sv->DEPTH, $padlist, ${$sv->OUTSIDE}, $sv->OUTSIDE_SEQ;
+ STASH 0x%x
+ START 0x%x
+ ROOT 0x%x
+ GV 0x%x
+ FILE %s
+ DEPTH %d
+ PADLIST 0x%x
+ OUTSIDE 0x%x
+ OUTSIDE_SEQ %d
+EOT
+ $start->debug if $start;
+ $root->debug if $root;
+ $gv->debug if $gv;
+ $padlist->debug if $padlist;
+}
+
+sub B::AV::debug {
+ my ($av) = @_;
+ $av->B::SV::debug;
+ # tied arrays may leave out FETCHSIZE
+ my (@array) = eval { $av->ARRAY; };
+ print "\tARRAY\t\t(", join(", ", map("0x" . $$_, @array)), ")\n";
+ my $fill = eval { scalar(@array) };
+ if ($Config{'useithreads'}) {
+ printf <<'EOT', $fill, $av->MAX, $av->OFF;
+ FILL %d
+ MAX %d
+ OFF %d
+EOT
+ } else {
+ printf <<'EOT', $fill, $av->MAX;
+ FILL %d
+ MAX %d
+EOT
+ }
+ printf <<'EOT', $av->AvFLAGS if $] < 5.009;
+ AvFLAGS %d
+EOT
+}
+
+sub B::GV::debug {
+ my ($gv) = @_;
+ if ($done_gv{$$gv}++) {
+ printf "GV %s::%s\n", $gv->STASH->NAME, $gv->SAFENAME;
+ return;
+ }
+ my ($sv) = $gv->SV;
+ my ($av) = $gv->AV;
+ my ($cv) = $gv->CV;
+ $gv->B::SV::debug;
+ printf <<'EOT', $gv->SAFENAME, $gv->STASH->NAME, $gv->STASH, $$sv, $gv->GvREFCNT, $gv->FORM, $$av, ${$gv->HV}, ${$gv->EGV}, $$cv, $gv->CVGEN, $gv->LINE, $gv->FILE, $gv->GvFLAGS;
+ NAME %s
+ STASH %s (0x%x)
+ SV 0x%x
+ GvREFCNT %d
+ FORM 0x%x
+ AV 0x%x
+ HV 0x%x
+ EGV 0x%x
+ CV 0x%x
+ CVGEN %d
+ LINE %d
+ FILE %s
+ GvFLAGS 0x%x
+EOT
+ $sv->debug if $sv;
+ $av->debug if $av;
+ $cv->debug if $cv;
+}
+
+sub B::SPECIAL::debug {
+ my $sv = shift;
+ print $specialsv_name[$$sv], "\n";
+}
+
+sub compile {
+ my $order = shift;
+ B::clearsym();
+ if ($order && $order eq "exec") {
+ return sub { walkoptree_exec(main_start, "debug") }
+ } else {
+ return sub { walkoptree(main_root, "debug") }
+ }
+}
+
+1;
+
+__END__
+
+=head1 NAME
+
+B::Debug - Walk Perl syntax tree, printing debug info about ops
+
+=head1 SYNOPSIS
+
+ perl -MO=Debug[,OPTIONS] foo.pl
+
+=head1 DESCRIPTION
+
+See F<ext/B/README> and the newer L<B::Concise>, L<B::Terse>.
+
+=head1 OPTIONS
+
+With option -exec, walks tree in execute order,
+otherwise in basic order.
+
+=head1 Changes
+
+ 1.11 2008-07-14 rurban
+ avoid B::Flags in CORE tests not to crash on old XS in @INC
+
+ 1.10 2008-06-28 rurban
+ require 5.006; Test::More not possible in 5.00505
+ our => my
+
+ 1.09 2008-06-18 rurban
+ minor META.yml syntax fix
+ 5.8.0 ending nextstate test failure: be more tolerant
+ PREREQ_PM Test::More
+
+ 1.08 2008-06-17 rurban
+ support 5.00558 - 5.6.2
+
+ 1.07 2008-06-16 rurban
+ debug.t: fix strawberry perl quoting issue
+
+ 1.06 2008-06-11 rurban
+ added B::Flags output
+ dual-life CPAN as B-Debug-1.06 and CORE
+ protect scalar(@array) if tied arrays leave out FETCHSIZE
+
+ 1.05_03 2008-04-16 rurban
+ ithread fixes in B::AV
+ B-C-1.04_??
+
+ B-C-1.04_09 2008-02-24 rurban
+ support 5.8 (import Asmdata)
+
+ 1.05_02 2008-02-21 rurban
+ added _printop
+ B-C-1.04_08 and CORE
+
+ 1.05_01 2008-02-05 rurban
+ 5.10 fix for op->seq
+ B-C-1.04_04
+
+=head1 AUTHOR
+
+Malcolm Beattie, C<mbeattie@sable.ox.ac.uk>
+Reini Urban C<rurban@cpan.org>
+
+=head1 LICENSE
+
+Copyright (c) 1996, 1997 Malcolm Beattie
+Copyright (c) 2008 Reini Urban
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of either:
+
+ a) the GNU General Public License as published by the Free
+ Software Foundation; either version 1, or (at your option) any
+ later version, or
+
+ b) the "Artistic License" which comes with this kit.
+
+ 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 either
+ the GNU General Public License or the Artistic License for more details.
+
+ You should have received a copy of the Artistic License with this kit,
+ in the file named "Artistic". If not, you can get one from the Perl
+ distribution. You should also have received a copy of the GNU General
+ Public License, in the file named "Copying". If not, you can get one
+ from the Perl distribution or else write to the Free Software Foundation,
+ Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+
+=cut
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