mirror of
https://github.com/pragma-/pbot.git
synced 2024-11-29 23:39:24 +01:00
117 lines
3.6 KiB
Perl
Executable File
117 lines
3.6 KiB
Perl
Executable File
#!/usr/bin/perl
|
|
|
|
# SPDX-FileCopyrightText: 2021 Pragmatic Software <pragma78@gmail.com>
|
|
# SPDX-License-Identifier: MIT
|
|
|
|
use warnings;
|
|
use strict;
|
|
|
|
package _c_base;
|
|
use parent '_default';
|
|
|
|
sub preprocess {
|
|
my $self = shift;
|
|
|
|
my $input = $self->{input} // '';
|
|
|
|
open(my $fh, '>', '.input');
|
|
print $fh "$input\n";
|
|
close $fh;
|
|
|
|
my @cmd = $self->split_line($self->{cmdline}, strip_quotes => 1, preserve_escapes => 0);
|
|
|
|
if ($self->{code} =~ m/print_last_statement\(.*\);$/m) {
|
|
# remove print_last_statement wrapper in order to get warnings/errors from last statement line
|
|
my $code = $self->{code};
|
|
$code =~ s/print_last_statement\((.*)\);$/$1;/mg;
|
|
open(my $fh, '>', $self->{sourcefile}) or die $!;
|
|
print $fh $code . "\n";
|
|
close $fh;
|
|
|
|
print STDERR "Executing [$self->{cmdline}] without print_last_statement\n";
|
|
my ($retval, $stdout, $stderr) = $self->execute(60, undef, @cmd);
|
|
$self->{output} = $stderr;
|
|
$self->{output} .= ' ' if length $self->{output};
|
|
$self->{output} .= $stdout;
|
|
$self->{error} = $retval;
|
|
|
|
# now compile with print_last_statement intact, ignoring compile results
|
|
if (not $self->{error}) {
|
|
open(my $fh, '>', $self->{sourcefile}) or die $!;
|
|
print $fh $self->{code} . "\n";
|
|
close $fh;
|
|
|
|
print STDERR "Executing [$self->{cmdline}] with print_last_statement\n";
|
|
$self->execute(60, undef, @cmd);
|
|
}
|
|
} else {
|
|
open(my $fh, '>', $self->{sourcefile}) or die $!;
|
|
print $fh $self->{code} . "\n";
|
|
close $fh;
|
|
|
|
print STDERR "Executing [$self->{cmdline}]\n";
|
|
my ($retval, $stdout, $stderr) = $self->execute(60, undef, @cmd);
|
|
$self->{output} = $stderr;
|
|
$self->{output} .= ' ' if length $self->{output};
|
|
$self->{output} .= $stdout;
|
|
$self->{error} = $retval;
|
|
}
|
|
|
|
if ($self->{cmdline} =~ m/--(?:version|analyze)/) {
|
|
$self->{done} = 1;
|
|
}
|
|
}
|
|
|
|
sub postprocess {
|
|
my $self = shift;
|
|
$self->SUPER::postprocess;
|
|
|
|
# no errors compiling, but if output contains something, it must be diagnostic messages
|
|
if(length $self->{output}) {
|
|
$self->{output} =~ s/^\s+//;
|
|
$self->{output} =~ s/\s+$//;
|
|
$self->{output} = "[$self->{output}]\n";
|
|
}
|
|
|
|
print STDERR "Executing gdb\n";
|
|
my ($exitval, $stdout, $stderr);
|
|
|
|
my $ulimits = "ulimit -f 2000; ulimit -t 8; ulimit -u 200";
|
|
|
|
my @args = $self->split_line($self->{arguments}, strip_quotes => 1, preserve_escapes => 0);
|
|
|
|
my $quoted_args = '';
|
|
|
|
foreach my $arg (@args) {
|
|
$arg =~ s/'/'"'"'/g;
|
|
$quoted_args .= "'$arg' ";
|
|
}
|
|
|
|
if ($self->{cmdline} =~ /-fsanitize=(?:[^ ]+,)?address/) {
|
|
# leak sanitizer doesn't work under ptrace/gdb
|
|
# ASAN_OPTIONS=strict_string_checks=1:detect_stack_use_after_return=1:check_initialization_order=1:strict_init_order=1
|
|
($exitval, $stdout, $stderr) = $self->execute(60, "$ulimits; ./prog $quoted_args\n", '/bin/sh');
|
|
} else {
|
|
my $input = "$ulimits; guest-gdb ./prog $quoted_args";
|
|
($exitval, $stdout, $stderr) = $self->execute(60, $input, '/bin/sh');
|
|
}
|
|
|
|
my $result = $stderr;
|
|
$result .= ' ' if length $result;
|
|
$result .= $stdout;
|
|
|
|
if (not length $result) {
|
|
$self->{no_output} = 1;
|
|
} elsif ($self->{code} =~ m/print_last_statement\(.*\);$/m
|
|
&& ($result =~ m/A syntax error in expression/ || $result =~ m/No symbol.*in current context/ || $result =~ m/has unknown return type; cast the call to its declared return/ || $result =~ m/Can't take address of.*which isn't an lvalue/)) {
|
|
# strip print_last_statement and rebuild/re-run
|
|
$self->{code} =~ s/print_last_statement\((.*)\);/$1;/mg;
|
|
$self->preprocess;
|
|
$self->postprocess;
|
|
} else {
|
|
$self->{output} .= $result;
|
|
}
|
|
}
|
|
|
|
1;
|