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#!/usr/bin/env perl
# Milawa - A Reflective Theorem Prover
# Copyright (C) 2005-2009 Kookamara LLC
#
# Contact:
#
# Kookamara LLC
# 11410 Windermere Meadows
# Austin, TX 78759, USA
# http://www.kookamara.com/
#
# License: (An MIT/X11-style license)
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.
#
# Original author: Jared Davis <jared@kookamara.com>
# pcert-util.pl
# Helper routines for pcert.pl and pcert-scan.pl
use strict;
use warnings;
sub trim
{
my $str = shift;
$str =~ s/^\s+//;
$str =~ s/\s+$//;
return $str;
}
sub read_image_file
{
my $path = shift;
open (my $fh, "<", $path) or die "Can't open file: $!";
local $/ = undef;
my $content = <$fh>;
close $fh;
$content = trim($content);
return $content if ($content =~ m/^[A-Za-z0-9_\-.\/]+$/);
die "Image file $path contains invalid content $content";
}
sub infer_book_image
{
my $bookname = shift; # bookname with no extension
my $default_img = shift;
my ($vol, $dir, $file) = File::Spec->splitpath($bookname);
my $base = File::Spec->catpath($vol, $dir, "");
my $bookimg = File::Spec->catpath($vol, $dir, "$bookname.image");
my $certimg = File::Spec->catpath($vol, $dir, "cert.image");
my $relimage = (-f $bookimg) ? read_image_file($bookimg)
: (-f $certimg) ? read_image_file($certimg)
: $default_img;
# Quick hack to make this work for Milawa. In general we should
# add support for a --bindir as in cert.pl
# my $absimage = File::Spec->rel2abs($relimage, $base);
return $relimage;
}
sub collect_include_books
{
# Returns an array of [bookname . dir] entries
my $filename = shift;
open(my $fd, "<", $filename) or die("can't open $filename: $!");
my $regexp = "^[^;]*\\(include-book[\\s]*\"([^\"]*)\"(?:.*:dir[\\s]*:([^\\s)]*))?";
my @ret = ();
while(<$fd>) {
my @tmp = ($_ =~ m/$regexp/i);
if (@tmp) {
push(@ret, [$tmp[0], $tmp[1] || ""])
}
}
close($fd);
return \@ret;
}
sub pcert_book
{
my $bookname = shift; # bookname with no extension
my $absimage = shift; # full path to book image
if (! -x $absimage) {
die "$absimage (needed for $bookname) is not executable!";
}
my ($vol, $dir, $file) = File::Spec->splitpath($bookname);
my $base = File::Spec->catpath($vol, $dir, "");
chdir($base);
$ENV{"ACL2_CUSTOMIZATION"} = "NONE";
my $instrs = "(in-package \"ACL2\")
(provisionally-certify \"$file\")
(exit 0)
";
# print "INSTRS = \n$instrs\n";
$SIG{PIPE} = 'IGNORE';
open(my $fd, "|$absimage") or die("can't run $absimage: $!");
print $fd $instrs;
close($fd);
my $status = $? >> 8;
if ($status == 44) {
# see interface/pcert.lisp -- we return 44 only on success.
return 1;
}
return 0;
}
1;
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