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pbot/modules/compiler_vm/languages/server/_c_base.pm
2019-06-26 09:34:19 -07:00

99 lines
3.0 KiB
Perl
Executable File

#!/usr/bin/perl
use warnings;
use strict;
package _c_base;
use parent '_default';
sub preprocess {
my $self = shift;
my $input = $self->{input};
$input = "" if not defined $input;
print "writing input [$input]\n";
open(my $fh, '>', '.input');
print $fh "$input\n";
close $fh;
$self->execute(10, undef, 'date', '-s', "\@$self->{date}");
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 $fh;
print "Executing [$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 $fh;
print "Executing [$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 $fh;
print "Executing [$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 "Executing gdb\n";
my @args = $self->split_line($self->{arguments}, strip_quotes => 1, preserve_escapes => 0);
my ($exitval, $stdout, $stderr) = $self->execute(60, undef, 'compiler_watchdog.pl', @args);
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;