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#!/usr/bin/perl -w
# -*- perl -*-
eval 'exec /p/bin/perl -S $0 ${1+"$@"}'
if 0;
# dcgen -- generate C declarations of arrays of lines and line lengths
# Copyright (C) 1996, 1998, 2004 Free Software Foundation, Inc.
# This program 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.
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
# written by Jim Meyering
# If you uncomment the following lines, you should also do
# s/chop/chomp and s/local/my/.
#require 5.002;
#use strict;
# Convert an arbitrary file to dcl of two arrays.
# One of lines, the other of lengths.
local $prefix = 'G_';
local @line;
while (<>)
{
chop;
s/[[:blank:]]*#.*//;
if ($_)
{
push (@line, $_);
}
}
local $n = @line;
print "#define ${prefix}N_LINES $n\n\n";
local $indent = ' ';
local $i;
local $max_line_length = 0;
for ($i = 0; $i < @line; $i++)
{
local $len = length ($line[$i]);
$max_line_length = $len if $max_line_length < $len;
}
local $line_length_type = 'unsigned char';
if ((1 << 8) <= $max_line_length)
{
$line_length_type = 'unsigned short int';
if ((1 << 16) <= $max_line_length)
{
$line_length_type = 'unsigned int';
}
}
print "static $line_length_type const ${prefix}line_length[${prefix}N_LINES] =\n{\n$indent";
local $ind = $indent;
for ($i = 0; $i < @line; $i++)
{
local $comma = ($i < @line - 1 ? ',' : '');
$ind = '' if $i == @line - 1;
local $sep = ($i && $i % 18 == 0 || $i == @line - 1 ? "\n$ind" : ' ');
print length ($line[$i]), $comma, $sep;
}
print "};\n\n";
print "static char const *const ${prefix}line[${prefix}N_LINES] =\n{\n";
while (1)
{
$_ = shift (@line);
local $comma = (@line ? ',' : '');
print "$indent\"$_\"$comma\n";
last if !@line;
}
print "};\n";
exit (0);
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