regen/ebcdic.pl: Output tables in hex

[perl5.git] / regen / mg_vtable.pl

diff --git a/regen/mg_vtable.pl b/regen/mg_vtable.pl
index 0bbfbfd..a05a7d4 100644 (file)
--- a/regen/mg_vtable.pl
+++ b/regen/mg_vtable.pl
@@ -2,7 +2,7 @@
 #
 # Regenerate (overwriting only if changed):
 #
-#    mg_names.c
+#    mg_names.inc
 #    mg_raw.h
 #    mg_vtable.h
 #    pod/perlguts.pod
@@ -25,7 +25,7 @@ BEGIN {
 
 my %mg =
     (
-     sv => { char => '\0', vtable => 'sv', readonly_acceptable => 1,
+     sv => { char => "\0", vtable => 'sv', readonly_acceptable => 1,
             desc => 'Special scalar variable' },
      # overload, or type "A" magic, used to be here.  Hence overloaded is
      # often called AMAGIC internally, even though it does not use "A"
@@ -72,7 +72,7 @@ my %mg =
      tiedscalar => { char => 'q', vtable => 'packelem',
                     desc => 'Tied scalar or handle' },
      qr => { char => 'r', vtable => 'regexp', value_magic => 1, 
-            readonly_acceptable => 1, desc => 'precompiled qr// regex' },
+            readonly_acceptable => 1, desc => 'Precompiled qr// regex' },
      sig => { char => 'S', desc => '%SIG hash' },
      sigelem => { char => 's', vtable => 'sigelem',
                  desc => '%SIG hash element' },
@@ -94,20 +94,24 @@ my %mg =
                  desc => "Shadow \"foreach\" iterator variable /\nsmart parameter vivification" },
      arylen => { char => '#', vtable => 'arylen', value_magic => 1,
                 desc => 'Array length ($#ary)' },
-     proto => { char => '&', desc => 'my sub prototype CV' },
      pos => { char => '.', vtable => 'pos', value_magic => 1,
              desc => 'pos() lvalue' },
      backref => { char => '<', vtable => 'backref', value_magic => 1,
-                 readonly_acceptable => 1, desc => 'for weak ref data' },
+                 readonly_acceptable => 1, desc => 'For weak ref data' },
      symtab => { char => ':', value_magic => 1,
-                desc => 'extra data for symbol tables' },
+                desc => 'Extra data for symbol tables' },
      rhash => { char => '%', value_magic => 1,
-               desc => 'extra data for restricted hashes' },
+               desc => 'Extra data for restricted hashes' },
      arylen_p => { char => '@', value_magic => 1,
-                  desc => 'to move arylen out of XPVAV' },
-     ext => { char => '~', desc => 'Available for use by extensions' },
+                  desc => 'To move arylen out of XPVAV' },
+     ext => { char => '~', desc => 'Available for use by extensions',
+             readonly_acceptable => 1 },
      checkcall => { char => ']', value_magic => 1, vtable => 'checkcall',
-                   desc => 'inlining/mutation of call to this CV'},
+                   desc => 'Inlining/mutation of call to this CV'},
+     debugvar => { char => '*', desc => '$DB::single, signal, trace vars',
+                  vtable => 'debugvar' },
+     lvref => { char => '\\', vtable => 'lvref',
+                 desc => "Lvalue reference constructor" },
 );
 
 # These have a subtly different "namespace" from the magic types.
@@ -144,12 +148,14 @@ my %sig =
      'hintselem' => {set => 'sethint', clear => 'clearhint'},
      'hints' => {clear => 'clearhints'},
      'checkcall' => {copy => 'copycallchecker'},
+     'debugvar' => { set => 'setdebugvar', get => 'getdebugvar' },
+     'lvref' => {set => 'setlvref'},
 );
 
 my ($vt, $raw, $names) = map {
     open_new($_, '>',
             { by => 'regen/mg_vtable.pl', file => $_, style => '*' });
-} 'mg_vtable.h', 'mg_raw.h', 'mg_names.c';
+} 'mg_vtable.h', 'mg_raw.h', 'mg_names.inc';
 my $guts = open_new("pod/perlguts.pod", ">");
 
 print $vt <<'EOH';
@@ -180,39 +186,45 @@ EOH
 
     my %mg_order;
     while (my ($name, $data) = each %mg) {
-       my $byte = eval qq{"$data->{char}"};
-       $data->{byte} = $byte;
+       my $byte = $data->{char};
+       if ($byte =~ /[[:print:]]/) {
+           $data->{r_char} = $byte; # readable char
+           ($data->{c_char} = $byte) =~ s/([\\"])/\\$1/g; # for C strings
+       }
+       else {
+           $data->{c_char} = $data->{r_char} = '\\'.ord $byte;
+       }
        $mg_order{(uc $byte) . $byte} = $name;
     }
     my @rows;
     foreach (sort keys %mg_order) {
        my $name = $mg_order{$_};
        my $data = $mg{$name};
-       my $i = ord $data->{byte};
+       my $i = ord $data->{char};
        unless ($data->{unknown_to_sv_magic}) {
            my $value = $data->{vtable}
                ? "want_vtbl_$data->{vtable}" : 'magic_vtable_max';
            $value .= ' | PERL_MAGIC_READONLY_ACCEPTABLE'
                if $data->{readonly_acceptable};
            $value .= ' | PERL_MAGIC_VALUE_MAGIC' if $data->{value_magic};
-           my $comment = "/* $name '$data->{char}' $data->{desc} */";
+           my $comment = "/* $name '$data->{r_char}' $data->{desc} */";
            $comment =~ s/([\\"])/\\$1/g;
            $comment =~ tr/\n/ /;
-           print $raw qq{    { '$data->{char}', "$value",\n      "$comment" },\n};
+           print $raw qq{    { '$data->{c_char}', "$value",\n      "$comment" },\n};
        }
 
        my $comment = $data->{desc};
        my $leader = ' ' x ($longest + 27);
        $comment =~ s/\n/\n$leader/s;
        printf $vt "#define PERL_MAGIC_%-${longest}s '%s' /* %s */\n",
-           $name, $data->{char}, $comment;
+           $name, $data->{c_char}, $comment;
 
-       my $char = $data->{char};
+       my $char = $data->{r_char};
        $char =~ s/([\\"])/\\$1/g;
        printf $names qq[\t{ PERL_MAGIC_%-${longest_p1}s "%s(%s)" },\n],
            "$name,", $name, $char;
 
-       push @rows, [(sprintf "%-2s PERL_MAGIC_%s", $data->{char}, $name),
+       push @rows, [(sprintf "%-2s PERL_MAGIC_%s", $data->{r_char},$name),
                     $data->{vtable} ? "vtbl_$data->{vtable}" : '(none)',
                     $data->{desc}];
     }