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|
#! @PERL@
##
## vtysh/extract.pl. Generated from extract.pl.in by configure.
##
## Virtual terminal interface shell command extractor.
## Copyright (C) 2000 Kunihiro Ishiguro
##
## This file is part of GNU Zebra.
##
## GNU Zebra 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 Zebra 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 Zebra; see the file COPYING. If not, write to the Free
## Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
## 02111-1307, USA.
##
use strict;
use warnings ;
my $includes = "-I@top_builddir@ ".
"-I@srcdir@/ ".
"-I@srcdir@/.. ".
"-I@top_srcdir@/lib ".
"-I@top_srcdir@/isisd/topology ".
"@SNMP_INCLUDES@" ;
# No further .in substitutions from here on
print <<EOF;
#include "misc.h"
#include "command.h"
extern cmd_table vtysh_collected_cmd_table ;
EOF
print comment("Gathered commands from:"), "\n" ;
my %odefun = () ;
my @vtysh_table = () ;
foreach (@ARGV)
{
my @defun = () ;
my @install = () ;
my $file = $_;
open (FH, "cpp -DVTYSH_EXTRACT_PL -DHAVE_CONFIG_H -DHAVE_IPV6 ".
"$includes $file |");
local $/;
undef $/;
my $line = <FH>;
close (FH);
# Command definitions appear as: VTYSH_CMD_INSTALL{->>__VA_ARGS__<<-}
@defun = ($line =~ /\bVTYSH_CMD_INSTALL\s*\{\-\>\>\s*
(.+?)
\s*\<\<\-\}\s*\;/sgx);
# Install tables appear as: VTYSH_CMD_INSTALL_TABLE{->>__VA_ARGS__<<-} =
@install = ($line =~ /VTYSH_CMD_INSTALL_TABLE\s*\{\-\>\>\s*
(.+?)
\<\<\-\s*\}\s*\;/sgx) ;
# Loop if we have nothing, otherwise, announce file
if ((scalar(@defun) + scalar(@install)) == 0)
{ next ; } ;
print comment(" $file"), "\n" ;
print comment(sprintf(
" -- %3d commands, %2d install tables",
scalar(@defun), scalar(@install))), "\n" ;
# DEFUN process -- discard the function name and append "_vtysh" to the
# command name
foreach (@defun)
{
my $cmd = $_ ;
if (s/.*?\,\s*(\w+)\s*\,\s*/$1_vtysh, /)
{
my $cmd = $1 ;
if (!exists($odefun{$cmd}))
{
$odefun{$cmd} = $_ ;
}
else
{
print "#warning Duplicate command '$cmd'\n" ;
} ;
}
else
{
print "#error Badly formed DEFUN: '$_'\n" ;
} ;
} ;
# install table process
if (scalar(@install) == 0)
{ next ; } ;
push @vtysh_table, comment("from: $file", -2) ;
foreach (@install)
{
my ($table_name, $table_daemon, $table) =
m/^\s*\w+\s*\,\s*
(\w+)
\s*\,\s*
(.+?)
\s*\=\s*\{\s*
(.*?)
\s*$/sx ;
if (!defined($table_name) || !defined($table_daemon)
|| !defined($table))
{
print "#error Badly formed VTYSH_CMD_INSTALL_TABLE '$_'\n" ;
next ;
} ;
$table_name =~ s/^\s+// ;
$table_name =~ s/\s+$// ;
$table_daemon =~ s/^\s+// ;
$table_daemon =~ s/\s+$// ;
push @vtysh_table,
comment("CMD_INSTALL_TABLE($table_name, $table_daemon)", -2) ;
$table =~ s/^[^{]*{\s*// ;
$table =~ s/\s*}[^}]*$// ;
my (@table) = split(/\s*}[^{}]*{\s*/, $table) ;
foreach my $entry (@table)
{
my @parts = split(/\s*\,\s*/, $entry) ;
$parts[1] .="_vtysh" ;
if (defined($parts[2]) && ($parts[2] !~ m/^\s*0\s*$/))
{ $parts[2] = "($table_daemon) | ($parts[2])" ; }
else
{ $parts[2] = $table_daemon ; } ;
push @vtysh_table, "{ ".join(', ', @parts)." }," ;
} ;
push @vtysh_table, "" ;
} ;
} ;
print "\n" ;
# Output DEFSH
foreach (sort keys %odefun) {
print "DEFVTYSH($odefun{$_})\n";
}
# Output install_element
print <<EOF;
CMD_INSTALL_TABLE(extern, vtysh_collected_cmd_table, 0) =
{
EOF
foreach (@vtysh_table) {
print " $_\n";
}
print <<EOF;
CMD_INSTALL_END
} ;
EOF
# Enclose given line in leading "/* " and trailing " */", and pad with spaces
# before the "*/" if the total width is less than the given width or 80 or
# 80 + given width if is -ve.
sub comment
{
my ($str, $w) = @_ ;
if (!defined($w))
{ $w = 0 ; } ;
if ($w <= 0)
{ $w = 80 + $w ; } ;
$w = $w - 6 - length($str) ;
if ($w > 0)
{ $str .= " " x $w ; } ;
return "/* ".$str." */" ;
} ;
|
