-#! /usr/bin/env perl
+#! /usr/bin/perl -w
-# Copyright (C) 1999, 2000, 2001, 2003, 2007, 2009, 2010, 2011 Free
-# Software Foundation, Inc.
+# Copyright (C) 1999, 2000, 2001, 2003, 2010 Free Software Foundation, Inc.
# This file is part of GCC.
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
-# along with GCC. If not, see <http://www.gnu.org/licenses/>.
+# along with GCC; see the file COPYING. If not, write to
+# the Free Software Foundation, 51 Franklin Street, Fifth Floor,
+# Boston MA 02110-1301, USA.
# This does trivial (and I mean _trivial_) conversion of Texinfo
# markup to Perl POD format. It's intended to be used to extract
# something suitable for a manpage from a Texinfo document.
-use warnings;
-BEGIN { eval { require warnings; } and warnings->import; }
-
$output = 0;
$skipping = 0;
%sects = ();
$fnno = 1;
$inf = "";
$ibase = "";
+@ipath = ();
while ($_ = shift) {
if (/^-D(.*)$/) {
die "flags may only contain letters, digits, hyphens, dashes and underscores\n"
unless $flag =~ /^[a-zA-Z0-9_-]+$/;
$defs{$flag} = $value;
+ } elsif (/^-I(.*)$/) {
+ if ($1 ne "") {
+ $flag = $1;
+ } else {
+ $flag = shift;
+ }
+ push (@ipath, $flag);
} elsif (/^-/) {
usage();
} else {
} elsif ($ended =~ /^(?:itemize|enumerate|[fv]?table)$/) {
$_ = "\n=back\n";
$ic = pop @icstack;
+ } elsif ($ended eq "multitable") {
+ $_ = "\n=back\n";
} else {
die "unknown command \@end $ended at line $.\n";
}
# Now the ones that have to be replaced by special escapes
# (which will be turned back into text by unmunge())
+ # Replace @@ before @{ and @} in order to parse @samp{@@} correctly.
s/&/&/g;
s/\@\@/&at;/g;
s/\@\{/{/g;
s/\@\}/}/g;
+ s/\@`\{(.)\}/&$1grave;/g;
- # Inside a verbatim block, handle @var specially.
+ # Inside a verbatim block, handle @var, @samp and @url specially.
if ($shift ne "") {
s/\@var\{([^\}]*)\}/<$1>/g;
+ s/\@samp\{([^\}]*)\}/"$1"/g;
+ s/\@url\{([^\}]*)\}/<$1>/g;
}
# POD doesn't interpret E<> inside a verbatim block.
$inf = gensym();
$file = postprocess($1);
- # Try cwd and $ibase.
- open($inf, "<" . $file)
- or open($inf, "<" . $ibase . "/" . $file)
- or die "cannot open $file or $ibase/$file: $!\n";
+ # Try cwd and $ibase, then explicit -I paths.
+ $done = 0;
+ foreach $path ("", $ibase, @ipath) {
+ $mypath = $file;
+ $mypath = $path . "/" . $mypath if ($path ne "");
+ open($inf, "<" . $mypath) and ($done = 1, last);
+ }
+ die "cannot find $file" if !$done;
next;
};
- /^\@(?:section|unnumbered|unnumberedsec|center)\s+(.+)$/
+ /^\@(?:section|unnumbered|unnumberedsec|center|heading)\s+(.+)$/
and $_ = "\n=head2 $1\n";
/^\@subsection\s+(.+)$/
and $_ = "\n=head3 $1\n";
+ /^\@subsubsection\s+(.+)$/
+ and $_ = "\n=head4 $1\n";
# Block command handlers:
/^\@itemize(?:\s+(\@[a-z]+|\*|-))?/ and do {
if (defined $1) {
$ic = $1;
} else {
- $ic = '@bullet';
+ $ic = '*';
}
$_ = "\n=over 4\n";
$endw = "itemize";
$endw = "enumerate";
};
+ /^\@multitable\s.*/ and do {
+ push @endwstack, $endw;
+ $endw = "multitable";
+ $_ = "\n=over 4\n";
+ };
+
/^\@([fv]?table)\s+(\@[a-z]+)/ and do {
push @endwstack, $endw;
push @icstack, $ic;
$ic =~ s/\@(?:code|kbd)/C/;
$ic =~ s/\@(?:dfn|var|emph|cite|i)/I/;
$ic =~ s/\@(?:file)/F/;
+ $ic =~ s/\@(?:asis)//;
$_ = "\n=over 4\n";
};
$_ = ""; # need a paragraph break
};
+ /^\@item\s+(.*\S)\s*$/ and $endw eq "multitable" and do {
+ @columns = ();
+ for $column (split (/\s*\@tab\s*/, $1)) {
+ # @strong{...} is used a @headitem work-alike
+ $column =~ s/^\@strong{(.*)}$/$1/;
+ push @columns, $column;
+ }
+ $_ = "\n=item ".join (" : ", @columns)."\n";
+ };
+
/^\@itemx?\s*(.+)?$/ and do {
if (defined $1) {
- my $thing = $1;
- if ($ic =~ /\@asis/) {
- $_ = "\n=item $thing\n";
+ if ($ic) {
+ if ($endw eq "enumerate") {
+ $_ = "\n=item $ic $1\n";
+ $ic =~ s/(\d+)/$1 + 1/eg;
+ } else {
+ # Entity escapes prevent munging by the <>
+ # processing below.
+ $_ = "\n=item $ic\<$1\>\n";
+ }
} else {
- # Entity escapes prevent munging by the <> processing below.
- $_ = "\n=item $ic\<$thing\>\n";
+ $_ = "\n=item $1\n";
}
} else {
$_ = "\n=item $ic\n";
$sects{NAME} = "$fn \- $tl\n";
$sects{FOOTNOTES} .= "=back\n" if exists $sects{FOOTNOTES};
-for $sect (qw(NAME SYNOPSIS DESCRIPTION OPTIONS ENVIRONMENT EXITSTATUS
- FILES BUGS NOTES FOOTNOTES SEEALSO AUTHOR COPYRIGHT)) {
+for $sect (qw(NAME SYNOPSIS DESCRIPTION OPTIONS ENVIRONMENT FILES
+ BUGS NOTES FOOTNOTES SEEALSO AUTHOR COPYRIGHT)) {
if(exists $sects{$sect}) {
$head = $sect;
$head =~ s/SEEALSO/SEE ALSO/;
- $head =~ s/EXITSTATUS/EXIT STATUS/;
print "=head1 $head\n\n";
print scalar unmunge ($sects{$sect});
print "\n";
s/\@r\{([^\}]*)\}/R<$1>/g;
s/\@(?:dfn|var|emph|cite|i)\{([^\}]*)\}/I<$1>/g;
s/\@(?:code|kbd)\{([^\}]*)\}/C<$1>/g;
- s/\@(?:gccoptlist|samp|strong|key|option|env|command|b)\{([^\}]*)\}/B<$1>/g;
+ s/\@(?:samp|strong|key|option|env|command|b)\{([^\}]*)\}/B<$1>/g;
s/\@sc\{([^\}]*)\}/\U$1/g;
+ s/\@acronym\{([^\}]*)\}/\U$1/g;
s/\@file\{([^\}]*)\}/F<$1>/g;
s/\@w\{([^\}]*)\}/S<$1>/g;
s/\@(?:dmn|math)\{([^\}]*)\}/$1/g;
+ s/\@\///g;
# keep references of the form @ref{...}, print them bold
s/\@(?:ref)\{([^\}]*)\}/B<$1>/g;
s/\@gol//g;
s/\@\*\s*\n?//g;
+ # Anchors are thrown away
+ s/\@anchor\{(?:[^\}]*)\}//g;
+
# @uref can take one, two, or three arguments, with different
# semantics each time. @url and @email are just like @uref with
# one argument, for our purposes.
s/\@uref\{([^\},]*),([^\},]*)\}/$2 (C<$1>)/g;
s/\@uref\{([^\},]*),([^\},]*),([^\},]*)\}/$3/g;
+ # Handle gccoptlist here, so it can contain the above formatting
+ # commands.
+ s/\@gccoptlist\{([^\}]*)\}/B<$1>/g;
+
# Un-escape <> at this point.
s/</</g;
s/>/>/g;
# Replace escaped symbols with their equivalents.
local $_ = $_[0];
+ s/&(.)grave;/E<$1grave>/g;
s/</E<lt>/g;
s/>/E<gt>/g;
s/{/\{/g;
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