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compiler_vm: updated to show local vars if no output, etc

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Pragmatic Software 2012-01-29 23:50:33 +00:00
parent 84f2f979a6
commit d56aaeebca
3 changed files with 180 additions and 13 deletions
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4
PBot/VERSION.pm
View File

@ -13,8 +13,8 @@ use warnings;
# These are set automatically by the build/commit script
use constant {
BUILD_NAME => "PBot",
BUILD_REVISION => 351,
BUILD_DATE => "2012-01-27",
BUILD_REVISION => 352,
BUILD_DATE => "2012-01-29",
};
1;

15
modules/compiler_vm/compiler_vm_server.pl
View File

@ -8,12 +8,12 @@ my $USE_LOCAL = defined $ENV{'CC_LOCAL'};
my %languages = (
'C' => {
'cmdline' => 'gcc $args $file -o prog -ggdb',
'args' => '-Wextra -Wall -Wno-unused -std=gnu89',
'args' => '-Wextra -Wall -Wno-unused -std=gnu89 -lm',
'file' => 'prog.c',
},
'C++' => {
'cmdline' => 'g++ $args $file -o prog -ggdb',
'args' => '',
'args' => '-lm',
'file' => 'prog.cpp',
},
'C99' => {
@ -21,6 +21,11 @@ my %languages = (
'args' => '-Wextra -Wall -Wno-unused -pedantic -std=c99 -lm',
'file' => 'prog.c',
},
'C11' => {
'cmdline' => 'gcc $args $file -o prog -ggdb',
'args' => '-Wextra -Wall -Wno-unused -pedantic -std=c11 -lm',
'file' => 'prog.c',
},
);
sub runserver {
@ -58,6 +63,8 @@ sub runserver {
print $output "result:$result\n";
print $output "result:end\n";
system("rm *");
if(not defined $USE_LOCAL or $USE_LOCAL == 0) {
print "input: ";
next;
@ -75,7 +82,7 @@ sub runserver {
($lang, $user_args, $user_input) = split /:/, $options;
$code = "";
$lang = "C99" if not defined $lang;
$lang = "C11" if not defined $lang;
$user_args = "" if not defined $user_args;
$user_input = "" if not defined $user_input;
@ -139,7 +146,7 @@ sub interpret {
}
my $user_input_quoted = quotemeta $user_input;
($ret, $result) = execute(5, "./compiler_watchdog.pl $user_input_quoted");
($ret, $result) = execute(60, "compiler_watchdog.pl $user_input_quoted");
$result =~ s/^\s+//;
$result =~ s/\s+$//;

174
modules/compiler_vm/compiler_watchdog.pl
View File

@ -7,24 +7,98 @@ use IPC::Open2;
my $stdin_input = join ' ', @ARGV;
my $debug = 0;
my $watching = 0;
my $got_output = 0;
my $local_vars = "";
sub execute {
my ($cmdline) = @_;
my ($ret, $result);
my ($out, $in);
open2($out, $in, "$cmdline 2>&1");
#print $in "$stdin_input\n";
while(my $line = <$out>) {
chomp $line;
#print "got: [$line]\n";
print "-- got: [$line]\n" if $debug >= 1;
my $ignore_response = 0;
next if not length $line;
next if $line =~ m/^\(gdb\) Continuing/;
next if $line =~ m/^\(gdb\) \$\d+ = "Ok\."/;
next if $line =~ m/^(\(gdb\) )?Breakpoint \d+ at 0x/;
next if $line =~ m/^(\(gdb\) )?Starting program/;
next if $line =~ m/^\d+: .*? =/;
if($line =~ m/^Reading symbols from.*done\.$/) {
print $in "break gdb\n";
#<$out>;
print $in "list main\n";
print $in "print \"Ok.\"\n";
while(my $line = <$out>) {
chomp $line;
print "list got: [$line]\n" if $debug >= 4;
if($line =~ m/^(\d+)\s+return 0;/) {
print $in "break $1\n";
}
last if $line =~ m/^\(gdb\) \$\d+ = "Ok."/;
}
print $in "run\n";
next;
}
if($line =~ m/^Breakpoint \d+, main/) {
my $line = <$out>;
print "== got: $line\n" if $debug >= 5;
if($line =~ m/^\d+\s+return 0;$/) {
if($got_output == 0) {
print "no output, checking locals\n" if $debug >= 5;
print $in "info locals\nprint \"Ok.\"\n";
my $result = "";
my $vars = "";
my $varsep = "";
while(my $line = <$out>) {
chomp $line;
print "got: [$line]\n" if $debug >= 5;
last if $line =~ m/\(gdb\) \$\d+ = "Ok."/;
if($line =~ m/([^=]+)=\s+(.*)/) {
$vars .= "$varsep$1= $2";
$varsep = "; ";
}
}
$result =~ s/^\s+//;
$result =~ s/\s+$//;
$vars =~ s/\(gdb\)\s*//g;
$local_vars = "<local variables: $vars>" if length $vars;
print $in "cont\n";
next;
} else {
print $in "cont\n";
next;
}
} else {
print $in "cont\n";
next;
}
}
if($line =~ m/Breakpoint \d+, gdb/) {
print $in "up\n";
$line = <$out>;
print "ignored $line\n" if $debug >= 2;
$line = <$out>;
print "ignored $line\n" if $debug >= 2;
next;
}
@ -36,20 +110,68 @@ sub execute {
$line = "1 gdb(\"print $1\");";
}
if($line =~ m/^\d+\s+print\((.*)\)/) {
$line = "1 gdb(\"print $1\");";
}
if($line =~ m/^\d+\s+ptype\((.*)\)/) {
$line = "1 gdb(\"ptype $1\");";
}
if($line =~ m/^\d+\s+gdb\("(.*)"\);/) {
if($line =~ m/^\d+\s+.*gdb\("(.*)"\)/) {
my $command = $1;
print $in "$command\n";
my ($cmd, $args) = split / /, $command, 2;
$args = "" if not defined $args;
#print "got command [$command]\n";
if($cmd eq "watch") {
print $in "display $args\n";
#<$out>;
$watching++;
$ignore_response = 1;
}
print $in "$command\nprint \"Ok.\"\n";
my $next_line = <$out>;
chomp $next_line;
#print "nextline: $next_line\n";
$next_line =~ s/^\(gdb\)\s*\(gdb\)\s+\$\d+ = "Ok."//;
$next_line =~ s/^\(gdb\)\s+\$\d+//;
$next_line =~ s/^\(gdb\)\s+type//;
print "$args$next_line\n" if $next_line =~ m/=/;
if(not $ignore_response) {
if($next_line =~ m/=/) {
$got_output = 1;
print "<$args$next_line>\n";
} else {
print "<$next_line>\n" if length $next_line;
$got_output = 1 if length $next_line;
}
}
print $in "cont\n";
next;
}
if($line =~ m/^Watchpoint \d+: (.*)/) {
my $var = $1;
my $ignore = <$out>;
print "ignored $ignore\n" if $debug >= 5;
my $old = <$out>;
my $new = <$out>;
$ignore = <$out>;
print "ignored $ignore\n" if $debug >= 5;
$ignore = <$out>;
print "ignored $ignore\n" if $debug >= 5;
my ($val1) = $old =~ m/Old value = (.*)/;
my ($val2) = $new =~ m/New value = (.*)/;
$got_output = 1;
print "<$var = $val2>\n";
print $in "cont\n";
next;
}
@ -66,6 +188,7 @@ sub execute {
my ($val1) = $old =~ m/Old value = (.*)/;
my ($val2) = $new =~ m/New value = (.*)/;
$got_output = 1;
print "<$var changed: $val1 => $val2>\n";
print $in "cont\n";
next;
@ -73,21 +196,55 @@ sub execute {
if($line =~ m/^Watchpoint \d+ deleted/) {
my $ignore = <$out>;
print "ignored $ignore\n" if $debug >= 5;
$ignore = <$out>;
print "ignored $ignore\n" if $debug >= 5;
print $in "cont\n";
next;
}
if($line =~ m/^Program exited/) {
print " $local_vars\n" if length $local_vars and not $got_output;
exit 0;
}
if($line =~ s/\[Inferior .* exited with code (\d+)\]//) {
print "$line\n";
print "<Exit $1>\n";
print " $local_vars\n" if length $local_vars and not $got_output;
exit 0;
}
if($line =~ s/\[Inferior .* exited normally\]//) {
print "$line\n" if length $line;
$got_output = 1 if length $line;
print " $local_vars\n" if length $local_vars and not $got_output;
exit 0;
}
if($line =~ m/Program received signal SIGTRAP/) {
my $line = <$out>;
print "ignored $line\n" if $debug >= 5;
$line = <$out>;
print "ignored $line\n" if $debug >= 5;
for(my $i = 0; $i < $watching; $i++) {
$line = <$out>;
chomp $line;
$line =~ s/^\d+:\s//;
$got_output = 1;
print "<$line>\n";
}
print $in "cont\n";
next;
}
if($line =~ m/Program received signal/) {
my $result = "";
my $vars = "";
my $varsep = "";
$line =~ s/\.$//;
$got_output = 1;
print "$line ";
print $in "up\nup\nup\nup\nup\nup\nup\ninfo locals\nquit\ny\n";
@ -122,13 +279,15 @@ sub execute {
$result =~ s/\s+$//;
$vars =~ s/\(gdb\)\s*//g;
$vars = " [local variables: $vars]" if length $vars;
$vars = " <local variables: $vars>" if length $vars;
print "$result$vars\n";
exit 0;
}
if($line =~ m/^\(gdb\)/) {
if($line =~ s/^\(gdb\)\s*//) {
$got_output = 1;
print "<$line>\n";
next;
}
@ -136,6 +295,7 @@ sub execute {
next if not length $line;
$got_output = 1;
print "$line\n";
}
}