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ccc-analyzer: 

- Capture the STDERR output of 'clang' to a file for use with crash reporting.

llvm-svn: 55749
This commit is contained in:
Ted Kremenek 2008-09-04 00:02:34 +00:00
parent e039d5580e
commit 370de84b50
1 changed files with 28 additions and 12 deletions
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38
clang/utils/ccc-analyzer
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@ -32,7 +32,7 @@ sub GetPPExt {
} }
sub ProcessClangFailure { sub ProcessClangFailure {
my ($Lang, $file, $Args, $HtmlDir, $ErrorType) = @_; my ($Lang, $file, $Args, $HtmlDir, $ErrorType, $ofile) = @_;
my $Dir = "$HtmlDir/crashes"; my $Dir = "$HtmlDir/crashes";
mkpath $Dir; mkpath $Dir;
my ($PPH, $PPFile) = tempfile("clang_crash_XXXXXX", my ($PPH, $PPFile) = tempfile("clang_crash_XXXXXX",
@ -46,6 +46,7 @@ sub ProcessClangFailure {
print OUT "$ErrorType\n"; print OUT "$ErrorType\n";
print OUT "@$Args\n"; print OUT "@$Args\n";
close OUT; close OUT;
system 'mv',$ofile,"$PPFile.output";
} }
##----------------------------------------------------------------------------## ##----------------------------------------------------------------------------##
@ -110,17 +111,32 @@ sub Analyze {
push @CmdArgs,"--analyzer-viz-egraph-ubigraph"; push @CmdArgs,"--analyzer-viz-egraph-ubigraph";
} }
my $Result = system $Cmd,@CmdArgs; # Capture the STDERR of clang and send it to a temporary file.
# Capture the STDOUT of clang and reroute it to ccc-analyzer's STDERR.
# We save the output file in the 'crashes' directory if clang encounters
# any problems with the file.
my ($ofh, $ofile) = tempfile("clang_output_XXXXXX", DIR => $HtmlDir);
my $pid = fork();
if ($pid == 0) {
open(STDOUT,">&", \*STDERR);
open(STDERR,">&", $ofh);
exec $Cmd, @CmdArgs;
}
close ($ofh);
wait;
my $Result = $?;
# Did the command die because of a signal? # Did the command die because of a signal?
if ($Result & 127 and $Cmd eq $Clang and defined $HtmlDir) { if ($Result & 127 and $Cmd eq $Clang and defined $HtmlDir) {
ProcessClangFailure($Lang, $file, \@CmdArgsSansAnalyses, $HtmlDir, ProcessClangFailure($Lang, $file, \@CmdArgsSansAnalyses, $HtmlDir,
"Crash"); "Crash", $ofile);
} }
elsif ($Result) { elsif ($Result) {
ProcessClangFailure($Lang, $file, \@CmdArgsSansAnalyses, $HtmlDir, ProcessClangFailure($Lang, $file, \@CmdArgsSansAnalyses, $HtmlDir,
"Parser Rejects"); "Parser Rejects", $ofile);
} }
`rm -f $ofile`;
} }
##----------------------------------------------------------------------------## ##----------------------------------------------------------------------------##