diff options
Diffstat (limited to 'chromium/third_party/cygwin/lib/perl5/5.10/i686-cygwin/B/Debug.pm')
-rw-r--r-- | chromium/third_party/cygwin/lib/perl5/5.10/i686-cygwin/B/Debug.pm | 333 |
1 files changed, 0 insertions, 333 deletions
diff --git a/chromium/third_party/cygwin/lib/perl5/5.10/i686-cygwin/B/Debug.pm b/chromium/third_party/cygwin/lib/perl5/5.10/i686-cygwin/B/Debug.pm deleted file mode 100644 index 970f2213867..00000000000 --- a/chromium/third_party/cygwin/lib/perl5/5.10/i686-cygwin/B/Debug.pm +++ /dev/null @@ -1,333 +0,0 @@ -package B::Debug; - -our $VERSION = '1.05_02'; - -use strict; -use B qw(peekop class walkoptree walkoptree_exec - main_start main_root cstring sv_undef @specialsv_name); -# <=5.008 had @specialsv_name exported from B::Asmdata -BEGIN { - use Config; - my $ithreads = $Config{'useithreads'} eq 'define'; - eval qq{ - sub ITHREADS() { $ithreads } - sub VERSION() { $] } - }; die $@ if $@; -} - -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 - } - 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", ${$op->pmreplroot}; - printf "\top_pmreplstart\t0x%x\n", ${$op->pmreplstart}; - printf "\top_pmnext\t0x%x\n", ${$op->pmnext} if $] < 5.009005; - if (ITHREADS) { - 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->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; -} - -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, $$gv, $file, $sv->DEPTH, $padlist, ${$sv->OUTSIDE}, $sv->OUTSIDE_SEQ; - STASH 0x%x - START 0x%x - ROOT 0x%x - GV 0x%x - FILE %s - DEPTH %d - PADLIST 0x%x - OUTSIDE 0x%x - OUTSIDE_SEQ %d -EOT - $start->debug if $start; - $root->debug if $root; - $gv->debug if $gv; - $padlist->debug if $padlist; -} - -sub B::AV::debug { - my ($av) = @_; - $av->B::SV::debug; - my(@array) = $av->ARRAY; - print "\tARRAY\t\t(", join(", ", map("0x" . $$_, @array)), ")\n"; - printf <<'EOT', scalar(@array), $av->MAX, $av->OFF; - FILL %d - MAX %d - OFF %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 AUTHOR - -Malcolm Beattie, C<mbeattie@sable.ox.ac.uk> - -=cut |