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qpdf/check_assert
Jay Berkenbilt 62bf296a9c Make assert handling less error-prone
Prevent my future self or other contributors from using assert in
tests and then having that assert not do anything because of the
NDEBUG macro.
2022-05-03 18:31:22 -04:00

63 lines
1.4 KiB
Perl
Executable File

#!/usr/bin/env perl
require 5.008;
use warnings;
use strict;
use File::Basename;
my $whoami = basename($0);
chdir(dirname($0)) or die;
my $errors = 0;
foreach my $file (glob('*/*.c'), glob('*/*.cc'),
glob('*/*/*.h'), glob('*/*/*.hh'))
{
my $assert_test = 0;
if ($file =~ m,^libqpdf/qpdf/assert_,)
{
next;
}
open(F, "<$file") or die;
my $first_include = undef;
while (<F>)
{
if (m,^\s*#\s*include <qpdf/assert_(.*?).h>,)
{
if ($1 eq 'test')
{
$assert_test = 1;
}
if (defined $first_include)
{
error("$file:$.: qpdf/assert header must be first");
}
}
if (m,^\s*#\s*include <(.*?)>,)
{
my $header = $1;
if (($header eq 'cassert') || ($header eq 'assert.h'))
{
error("$file:$.: assert.h and cassert are not allowed --" .
" use one of the qpdf/assert_ files instead");
}
$first_include = 1;
}
if ((! $assert_test) && (m/assert\(/))
{
error("$file:$.: call qpdf_assert_debug instead of assert");
}
}
close(F);
}
if ($errors)
{
die "$whoami: errors detected\n";
}
print "$whoami: no incorrect use of assert found\n";
sub error
{
my $msg = shift;
warn $msg, "\n";
$errors = 1;
}