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[/] [openrisc/] [trunk/] [gnu-old/] [binutils-2.18.50/] [libiberty/] [gather-docs] - Blame information for rev 156

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1 38 julius
#!/usr/bin/perl
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# -*- perl -*-
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#   Copyright (C) 2001
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#   Free Software Foundation
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#
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# This file is part of the libiberty library.
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# Libiberty is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Library General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# Libiberty is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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# Library General Public License for more details.
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#
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# You should have received a copy of the GNU Library General Public
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# License along with libiberty; see the file COPYING.LIB.  If not,
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# write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
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# Boston, MA 02110-1301, USA.
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#
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# Originally written by DJ Delorie 
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# This program looks for texinfo snippets in source files and other
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# files, and builds per-category files with entries sorted in
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# alphabetical order.
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# The syntax it looks for is lines starting with '@def' in *.c and
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# other files (see TEXIFILES in Makefile.in).  Entries are terminated
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# at the next @def* (which begins a new entry) or, for C files, a line
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# that begins with '*/' without leading spaces (this assumes that the
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# texinfo snippet is within a C-style /* */ comment).
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#
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if ($ARGV[0] eq "-v") {
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    $verbose = 1;
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    shift;
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}
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$srcdir = shift;
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$outfile = shift;
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if ($outfile !~ /\S/ || ! -f "$srcdir/Makefile.in" ) {
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    print STDERR "Usage: gather-docs [-v] srcdir outfile.txi [files with snippets in them ...]\n";
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    exit 1;
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}
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$errors = 0;
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for $in (@ARGV) {
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    if (!open(IN, "$srcdir/$in")) {
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        print STDERR "Cannot open $srcdir/$in for reading: $!\n";
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        $errors ++;
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    } else {
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        $first = 1;
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        $pertinent = 0;
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        $man_mode = 0;
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        $line = 0;
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        while () {
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            $line ++;
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            $pertinent = 1 if /^\@def[a-z]*[a-wyz] /;
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            $pertinent = 0 if /^\*\//;
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            next unless $pertinent;
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            if (/^\@def[a-z]*[a-wyz] /) {
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                ($name) = m/[^\(]* ([^\( \t\r\n]+) *\(/;
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                $name =~ s/[    ]*$//;
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                $key = $name;
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                $key =~ tr/A-Z/a-z/;
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                $key =~ s/[^a-z0-9]+/ /g;
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                $name{$key} = $node;
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                $lines{$key} = '';
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                $src_file{$key} = $in;
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                $src_line{$key} = $line;
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                print "\nReading $in :" if $verbose && $first;
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                $first = 0;
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                print " $name" if $verbose;
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                $node_lines{$key} .= $_;
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            } else {
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                $node_lines{$key} .= $_;
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            }
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            $pertinent = 0 if /^\@end def/;
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        }
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        close (IN);
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    }
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}
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print "\n" if $verbose;
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exit $errors if $errors;
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if (!open (OUT, "> $outfile")) {
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    print STDERR "Cannot open $outfile for writing: $!\n";
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    $errors ++;
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    next;
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}
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print "Writing $outfile\n" if $verbose;
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print OUT "\@c Automatically generated from *.c and others (the comments before\n";
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print OUT "\@c each entry tell you which file and where in that file).  DO NOT EDIT!\n";
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print OUT "\@c Edit the *.c files, configure with --enable-maintainer-mode,\n";
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print OUT "\@c and let gather-docs build you a new copy.\n\n";
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for $key (sort keys %name) {
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    print OUT "\@c $src_file{$key}:$src_line{$key}\n";
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    print OUT $node_lines{$key};
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    print OUT "\n";
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}
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if (! print OUT "\n") {
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    print STDERR "Disk full writing $srcdir/$cat.texi\n";
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    $errors ++;
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}
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close (OUT);
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exit $errors;

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