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* texi2pod.pl: Import latest version from GCC.

This commit is contained in:
Bob Wilson 2005-10-21 18:08:07 +00:00
parent a591389de3
commit a6d19f4cd4
2 changed files with 36 additions and 17 deletions
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4
etc/ChangeLog
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@ -1,3 +1,7 @@
2005-10-21 Bob Wilson <bob.wilson@acm.org>
* texi2pod.pl: Import latest version from GCC.
2005-05-19 Zack Weinberg <zack@codesourcery.com>
* Makefile.in: Have 'all' depend on 'info'.

49
etc/texi2pod.pl
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@ -1,23 +1,23 @@
#! /usr/bin/perl -w
# Copyright (C) 1999, 2000, 2001, 200 Free Software Foundation, Inc.
# Copyright (C) 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
# This file is part of GNU CC.
# This file is part of GCC.
# GNU CC is free software; you can redistribute it and/or modify
# GCC is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# GNU CC is distributed in the hope that it will be useful,
# GCC 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 the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with GNU CC; see the file COPYING. If not, write to
# the Free Software Foundation, 59 Temple Place - Suite 330,
# Boston MA 02111-1307, USA.
# 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
@ -138,7 +138,7 @@ while(<$inf>) {
# Ignore @end foo, where foo is not an operation which may
# cause us to skip, if we are presently skipping.
my $ended = $1;
next if $skipping && $ended !~ /^(?:ifset|ifclear|ignore|menu|iftex)$/;
next if $skipping && $ended !~ /^(?:ifset|ifclear|ignore|menu|iftex|copying)$/;
die "\@end $ended without \@$ended at line $.\n" unless defined $endw;
die "\@$endw ended by \@end $ended at line $.\n" unless $ended eq $endw;
@ -178,7 +178,7 @@ while(<$inf>) {
next;
};
/^\@(ignore|menu|iftex)\b/ and do {
/^\@(ignore|menu|iftex|copying)\b/ and do {
push @endwstack, $endw;
push @skstack, $skipping;
$endw = $1;
@ -241,10 +241,14 @@ while(<$inf>) {
and $_ = "\n=head3 $1\n";
# Block command handlers:
/^\@itemize\s+(\@[a-z]+|\*|-)/ and do {
/^\@itemize(?:\s+(\@[a-z]+|\*|-))?/ and do {
push @endwstack, $endw;
push @icstack, $ic;
$ic = $1;
if (defined $1) {
$ic = $1;
} else {
$ic = '@bullet';
}
$_ = "\n=over 4\n";
$endw = "itemize";
};
@ -345,6 +349,13 @@ sub postprocess
s/\@w\{([^\}]*)\}/S<$1>/g;
s/\@(?:dmn|math)\{([^\}]*)\}/$1/g;
# keep references of the form @ref{...}, print them bold
s/\@(?:ref)\{([^\}]*)\}/B<$1>/g;
# Change double single quotes to double quotes.
s/''/"/g;
s/``/"/g;
# Cross references are thrown away, as are @noindent and @refill.
# (@noindent is impossible in .pod, and @refill is unnecessary.)
# @* is also impossible in .pod; we discard it and any newline that
@ -365,14 +376,18 @@ sub postprocess
s/\@uref\{([^\},]*),([^\},]*)\}/$2 (C<$1>)/g;
s/\@uref\{([^\},]*),([^\},]*),([^\},]*)\}/$3/g;
# Turn B<blah I<blah> blah> into B<blah> I<blah> B<blah> to
# match Texinfo semantics of @emph inside @samp. Also handle @r
# inside bold.
# Un-escape <> at this point.
s/&LT;/</g;
s/&GT;/>/g;
1 while s/B<((?:[^<>]|I<[^<>]*>)*)R<([^>]*)>/B<$1>${2}B</g;
1 while (s/B<([^<>]*)I<([^>]+)>/B<$1>I<$2>B</g);
1 while (s/I<([^<>]*)B<([^>]+)>/I<$1>B<$2>I</g);
# Now un-nest all B<>, I<>, R<>. Theoretically we could have
# indefinitely deep nesting; in practice, one level suffices.
1 while s/([BIR])<([^<>]*)([BIR])<([^<>]*)>/$1<$2>$3<$4>$1</g;
# Replace R<...> with bare ...; eliminate empty markup, B<>;
# shift white space at the ends of [BI]<...> expressions outside
# the expression.
s/R<([^<>]*)>/$1/g;
s/[BI]<>//g;
s/([BI])<(\s+)([^>]+)>/$2$1<$3>/g;
s/([BI])<([^>]+?)(\s+)>/$1<$2>$3/g;