X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=contrib%2Ftexi2pod.pl;h=fcdc14550bae2b963821276f603269902b5c6379;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=4fb8892ccb8f26fdc505c3f0d0c042e6ec272753;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/contrib/texi2pod.pl b/contrib/texi2pod.pl index 4fb8892c..fcdc1455 100755 --- a/contrib/texi2pod.pl +++ b/contrib/texi2pod.pl @@ -1,23 +1,23 @@ #! /usr/bin/perl -w -# Copyright (C) 1999, 2000, 2001 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) +# the Free Software Foundation; either version 3, 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 @@ -36,6 +36,7 @@ $shift = ""; $fnno = 1; $inf = ""; $ibase = ""; +@ipath = (); while ($_ = shift) { if (/^-D(.*)$/) { @@ -51,6 +52,13 @@ while ($_ = shift) { 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, $flag); } elsif (/^-/) { usage(); } else { @@ -138,7 +146,7 @@ while(<$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 $endw; @@ -154,6 +162,8 @@ while(<$inf>) { } 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 $.\n"; } @@ -178,7 +188,7 @@ while(<$inf>) { next; }; - /^\@(ignore|menu|iftex)\b/ and do { + /^\@(ignore|menu|iftex|copying)\b/ and do { push @endwstack, $endw; push @skstack, $skipping; $endw = $1; @@ -208,9 +218,11 @@ while(<$inf>) { s/\@\}/}/g; s/\@\@/&at;/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\{([^\}]*)\}/<$1>/g; } # POD doesn't interpret E<> inside a verbatim block. @@ -227,24 +239,35 @@ while(<$inf>) { /^\@include\s+(.+)$/ and do { push @instack, $inf; $inf = gensym(); - - # Try cwd and $ibase. - open($inf, "<" . $1) - or open($inf, "<" . $ibase . "/" . $1) - or die "cannot open $1 or $ibase/$1: $!\n"; + $file = postprocess($1); + + # 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 { + /^\@itemize(?:\s+(\@[a-z]+|\*|-))?/ and do { push @endwstack, $endw; push @icstack, $ic; - $ic = $1; + if (defined $1) { + $ic = $1; + } else { + $ic = '*'; + } $_ = "\n=over 4\n"; $endw = "itemize"; }; @@ -261,6 +284,12 @@ while(<$inf>) { $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, $ic; @@ -270,6 +299,7 @@ while(<$inf>) { $ic =~ s/\@(?:code|kbd)/C/; $ic =~ s/\@(?:dfn|var|emph|cite|i)/I/; $ic =~ s/\@(?:file)/F/; + $ic =~ s/\@(?:asis)//; $_ = "\n=over 4\n"; }; @@ -280,10 +310,30 @@ while(<$inf>) { $_ = ""; # need a paragraph break }; + /^\@item\s+(.*\S)\s*$/ 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) { - # Entity escapes prevent munging by the <> processing below. - $_ = "\n=item $ic\<$1\>\n"; + if ($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 { + $_ = "\n=item $1\n"; + } } else { $_ = "\n=item $ic\n"; $ic =~ y/A-Ya-y/B-Zb-z/; @@ -339,12 +389,19 @@ sub postprocess 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/\@file\{([^\}]*)\}/F<$1>/g; 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 @@ -358,6 +415,9 @@ sub postprocess 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. @@ -365,14 +425,22 @@ sub postprocess s/\@uref\{([^\},]*),([^\},]*)\}/$2 (C<$1>)/g; s/\@uref\{([^\},]*),([^\},]*),([^\},]*)\}/$3/g; - # Turn B blah> into B I B to - # match Texinfo semantics of @emph inside @samp. Also handle @r - # inside bold. + # Handle gccoptlist here, so it can contain the above formatting + # commands. + s/\@gccoptlist\{([^\}]*)\}/B<$1>/g; + + # Un-escape <> at this point. s/<//g; - 1 while s/B<((?:[^<>]|I<[^<>]*>)*)R<([^>]*)>/B<$1>${2}B]*)I<([^>]+)>/B<$1>I<$2>B]*)B<([^>]+)>/I<$1>B<$2>I, I<>, R<>. Theoretically we could have + # indefinitely deep nesting; in practice, one level suffices. + 1 while s/([BIR])<([^<>]*)([BIR])<([^<>]*)>/$1<$2>$3<$4>$1 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;