786 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Perl
		
	
	
		
			Executable File
		
	
	
			
		
		
	
	
			786 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			Perl
		
	
	
		
			Executable File
		
	
	
#!/usr/bin/env perl
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#
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#                     The LLVM Compiler Infrastructure
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#
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# This file is distributed under the University of Illinois Open Source
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# License. See LICENSE.TXT for details.
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#
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##===----------------------------------------------------------------------===##
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#
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#  A script designed to interpose between the build system and gcc.  It invokes
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#  both gcc and the static analyzer.
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#
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##===----------------------------------------------------------------------===##
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use strict;
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use warnings;
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use FindBin;
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use Cwd qw/ getcwd abs_path /;
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use File::Temp qw/ tempfile /;
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use File::Path qw / mkpath /;
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use File::Basename;
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use Text::ParseWords;
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##===----------------------------------------------------------------------===##
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# List form 'system' with STDOUT and STDERR captured.
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##===----------------------------------------------------------------------===##
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sub silent_system {
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  my $HtmlDir = shift;
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  my $Command = shift;
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  # Save STDOUT and STDERR and redirect to a temporary file.
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  open OLDOUT, ">&", \*STDOUT;
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  open OLDERR, ">&", \*STDERR;
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  my ($TmpFH, $TmpFile) = tempfile("temp_buf_XXXXXX",
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                                   DIR => $HtmlDir,
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                                   UNLINK => 1);
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  open(STDOUT, ">$TmpFile");
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  open(STDERR, ">&", \*STDOUT);
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  # Invoke 'system', STDOUT and STDERR are output to a temporary file.
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  system $Command, @_;
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  # Restore STDOUT and STDERR.
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  open STDOUT, ">&", \*OLDOUT;
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  open STDERR, ">&", \*OLDERR;
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  return $TmpFH;
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}
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##===----------------------------------------------------------------------===##
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# Compiler command setup.
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##===----------------------------------------------------------------------===##
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# Search in the PATH if the compiler exists
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sub SearchInPath {
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    my $file = shift;
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    foreach my $dir (split (':', $ENV{PATH})) {
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        if (-x "$dir/$file") {
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            return 1;
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        }
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    }
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    return 0;
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}
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my $Compiler;
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my $Clang;
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my $DefaultCCompiler;
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my $DefaultCXXCompiler;
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my $IsCXX;
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my $AnalyzerTarget;
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# If on OSX, use xcrun to determine the SDK root.
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my $UseXCRUN = 0;
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if (`uname -a` =~ m/Darwin/) {
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  $DefaultCCompiler = 'clang';
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  $DefaultCXXCompiler = 'clang++';
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  # Older versions of OSX do not have xcrun to
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  # query the SDK location.
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  if (-x "/usr/bin/xcrun") {
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    $UseXCRUN = 1;
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  }
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} else {
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  $DefaultCCompiler = 'gcc';
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  $DefaultCXXCompiler = 'g++';
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}
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if ($FindBin::Script =~ /c\+\+-analyzer/) {
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  $Compiler = $ENV{'CCC_CXX'};
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  if (!defined $Compiler || (! -x $Compiler && ! SearchInPath($Compiler))) { $Compiler = $DefaultCXXCompiler; }
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  $Clang = $ENV{'CLANG_CXX'};
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  if (!defined $Clang || ! -x $Clang) { $Clang = 'clang++'; }
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  $IsCXX = 1
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}
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else {
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  $Compiler = $ENV{'CCC_CC'};
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  if (!defined $Compiler || (! -x $Compiler && ! SearchInPath($Compiler))) { $Compiler = $DefaultCCompiler; }
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  $Clang = $ENV{'CLANG'};
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  if (!defined $Clang || ! -x $Clang) { $Clang = 'clang'; }
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  $IsCXX = 0
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}
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$AnalyzerTarget = $ENV{'CLANG_ANALYZER_TARGET'};
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##===----------------------------------------------------------------------===##
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# Cleanup.
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##===----------------------------------------------------------------------===##
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my $ReportFailures = $ENV{'CCC_REPORT_FAILURES'};
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if (!defined $ReportFailures) { $ReportFailures = 1; }
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my $CleanupFile;
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my $ResultFile;
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# Remove any stale files at exit.
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END {
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  if (defined $ResultFile && -z $ResultFile) {
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    unlink($ResultFile);
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  }
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  if (defined $CleanupFile) {
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    unlink($CleanupFile);
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  }
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}
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##----------------------------------------------------------------------------##
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#  Process Clang Crashes.
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##----------------------------------------------------------------------------##
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sub GetPPExt {
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  my $Lang = shift;
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  if ($Lang =~ /objective-c\+\+/) { return ".mii" };
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  if ($Lang =~ /objective-c/) { return ".mi"; }
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  if ($Lang =~ /c\+\+/) { return ".ii"; }
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  return ".i";
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}
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# Set this to 1 if we want to include 'parser rejects' files.
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my $IncludeParserRejects = 0;
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my $ParserRejects = "Parser Rejects";
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my $AttributeIgnored = "Attribute Ignored";
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my $OtherError = "Other Error";
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sub ProcessClangFailure {
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  my ($Clang, $Lang, $file, $Args, $HtmlDir, $ErrorType, $ofile) = @_;
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  my $Dir = "$HtmlDir/failures";
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  mkpath $Dir;
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  my $prefix = "clang_crash";
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  if ($ErrorType eq $ParserRejects) {
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    $prefix = "clang_parser_rejects";
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  }
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  elsif ($ErrorType eq $AttributeIgnored) {
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    $prefix = "clang_attribute_ignored";
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  }
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  elsif ($ErrorType eq $OtherError) {
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    $prefix = "clang_other_error";
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  }
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  # Generate the preprocessed file with Clang.
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  my ($PPH, $PPFile) = tempfile( $prefix . "_XXXXXX",
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                                 SUFFIX => GetPPExt($Lang),
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                                 DIR => $Dir);
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  close ($PPH);
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  system $Clang, @$Args, "-E", "-o", $PPFile;
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  # Create the info file.
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  open (OUT, ">", "$PPFile.info.txt") or die "Cannot open $PPFile.info.txt\n";
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  print OUT abs_path($file), "\n";
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  print OUT "$ErrorType\n";
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  print OUT "@$Args\n";
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  close OUT;
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  `uname -a >> $PPFile.info.txt 2>&1`;
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  `"$Compiler" -v >> $PPFile.info.txt 2>&1`;
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  rename($ofile, "$PPFile.stderr.txt");
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  return (basename $PPFile);
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}
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##----------------------------------------------------------------------------##
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#  Running the analyzer.
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##----------------------------------------------------------------------------##
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sub GetCCArgs {
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  my $HtmlDir = shift;
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  my $mode = shift;
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  my $Args = shift;
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  my $line;
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  my $OutputStream = silent_system($HtmlDir, $Clang, "-###", $mode, @$Args);
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  while (<$OutputStream>) {
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    next if (!/\s"?-cc1"?\s/);
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    $line = $_;
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  }
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  die "could not find clang line\n" if (!defined $line);
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  # Strip leading and trailing whitespace characters.
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  $line =~ s/^\s+|\s+$//g;
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  my @items = quotewords('\s+', 0, $line);
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  my $cmd = shift @items;
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  die "cannot find 'clang' in 'clang' command\n" if (!($cmd =~ /clang/));
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  return \@items;
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}
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sub Analyze {
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  my ($Clang, $OriginalArgs, $AnalyzeArgs, $Lang, $Output, $Verbose, $HtmlDir,
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      $file) = @_;
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  my @Args = @$OriginalArgs;
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  my $Cmd;
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  my @CmdArgs;
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  my @CmdArgsSansAnalyses;
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  if ($Lang =~ /header/) {
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    exit 0 if (!defined ($Output));
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    $Cmd = 'cp';
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    push @CmdArgs, $file;
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    # Remove the PCH extension.
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    $Output =~ s/[.]gch$//;
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    push @CmdArgs, $Output;
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    @CmdArgsSansAnalyses = @CmdArgs;
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  }
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  else {
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    $Cmd = $Clang;
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    # Create arguments for doing regular parsing.
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    my $SyntaxArgs = GetCCArgs($HtmlDir, "-fsyntax-only", \@Args);
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    @CmdArgsSansAnalyses = @$SyntaxArgs;
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    # Create arguments for doing static analysis.
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    if (defined $ResultFile) {
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      push @Args, '-o', $ResultFile;
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    }
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    elsif (defined $HtmlDir) {
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      push @Args, '-o', $HtmlDir;
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    }
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    if ($Verbose) {
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      push @Args, "-Xclang", "-analyzer-display-progress";
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    }
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    foreach my $arg (@$AnalyzeArgs) {
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      push @Args, "-Xclang", $arg;
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    }
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    # Display Ubiviz graph?
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    if (defined $ENV{'CCC_UBI'}) {
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      push @Args, "-Xclang", "-analyzer-viz-egraph-ubigraph";
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    }
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    if (defined $AnalyzerTarget) {
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      push @Args, "-target", $AnalyzerTarget;
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    }
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    my $AnalysisArgs = GetCCArgs($HtmlDir, "--analyze", \@Args);
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    @CmdArgs = @$AnalysisArgs;
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  }
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  my @PrintArgs;
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  my $dir;
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						|
  if ($Verbose) {
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    $dir = getcwd();
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    print STDERR "\n[LOCATION]: $dir\n";
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    push @PrintArgs,"'$Cmd'";
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    foreach my $arg (@CmdArgs) {
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        push @PrintArgs,"\'$arg\'";
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    }
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  }
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  if ($Verbose == 1) {
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    # We MUST print to stderr.  Some clients use the stdout output of
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    # gcc for various purposes.
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    print STDERR join(' ', @PrintArgs);
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    print STDERR "\n";
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  }
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  elsif ($Verbose == 2) {
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    print STDERR "#SHELL (cd '$dir' && @PrintArgs)\n";
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  }
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  # Save STDOUT and STDERR of clang to a temporary file and reroute
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  # all clang output to ccc-analyzer's STDERR.
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  # We save the output file in the 'crashes' directory if clang encounters
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  # any problems with the file.
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  my ($ofh, $ofile) = tempfile("clang_output_XXXXXX", DIR => $HtmlDir);
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  my $OutputStream = silent_system($HtmlDir, $Cmd, @CmdArgs);
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						|
  while ( <$OutputStream> ) {
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    print $ofh $_;
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    print STDERR $_;
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  }
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  my $Result = $?;
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						|
  close $ofh;
 | 
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						|
  # Did the command die because of a signal?
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						|
  if ($ReportFailures) {
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    if ($Result & 127 and $Cmd eq $Clang and defined $HtmlDir) {
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      ProcessClangFailure($Clang, $Lang, $file, \@CmdArgsSansAnalyses,
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                          $HtmlDir, "Crash", $ofile);
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    }
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    elsif ($Result) {
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      if ($IncludeParserRejects && !($file =~/conftest/)) {
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        ProcessClangFailure($Clang, $Lang, $file, \@CmdArgsSansAnalyses,
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                            $HtmlDir, $ParserRejects, $ofile);
 | 
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      } else {
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        ProcessClangFailure($Clang, $Lang, $file, \@CmdArgsSansAnalyses,
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                            $HtmlDir, $OtherError, $ofile);
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      }
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						|
    }
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						|
    else {
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      # Check if there were any unhandled attributes.
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						|
      if (open(CHILD, $ofile)) {
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						|
        my %attributes_not_handled;
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        # Don't flag warnings about the following attributes that we
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        # know are currently not supported by Clang.
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        $attributes_not_handled{"cdecl"} = 1;
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        my $ppfile;
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        while (<CHILD>) {
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          next if (! /warning: '([^\']+)' attribute ignored/);
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						|
          # Have we already spotted this unhandled attribute?
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						|
          next if (defined $attributes_not_handled{$1});
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          $attributes_not_handled{$1} = 1;
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						|
          # Get the name of the attribute file.
 | 
						|
          my $dir = "$HtmlDir/failures";
 | 
						|
          my $afile = "$dir/attribute_ignored_$1.txt";
 | 
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						|
          # Only create another preprocessed file if the attribute file
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          # doesn't exist yet.
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						|
          next if (-e $afile);
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          # Add this file to the list of files that contained this attribute.
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          # Generate a preprocessed file if we haven't already.
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						|
          if (!(defined $ppfile)) {
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            $ppfile = ProcessClangFailure($Clang, $Lang, $file,
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                                          \@CmdArgsSansAnalyses,
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                                          $HtmlDir, $AttributeIgnored, $ofile);
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          }
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          mkpath $dir;
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						|
          open(AFILE, ">$afile");
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						|
          print AFILE "$ppfile\n";
 | 
						|
          close(AFILE);
 | 
						|
        }
 | 
						|
        close CHILD;
 | 
						|
      }
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  unlink($ofile);
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						|
}
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 | 
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##----------------------------------------------------------------------------##
 | 
						|
#  Lookup tables.
 | 
						|
##----------------------------------------------------------------------------##
 | 
						|
 | 
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my %CompileOptionMap = (
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						|
  '-nostdinc' => 0,
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						|
  '-include' => 1,
 | 
						|
  '-idirafter' => 1,
 | 
						|
  '-imacros' => 1,
 | 
						|
  '-iprefix' => 1,
 | 
						|
  '-iquote' => 1,
 | 
						|
  '-iwithprefix' => 1,
 | 
						|
  '-iwithprefixbefore' => 1
 | 
						|
);
 | 
						|
 | 
						|
my %LinkerOptionMap = (
 | 
						|
  '-framework' => 1,
 | 
						|
  '-fobjc-link-runtime' => 0
 | 
						|
);
 | 
						|
 | 
						|
my %CompilerLinkerOptionMap = (
 | 
						|
  '-Wwrite-strings' => 0,
 | 
						|
  '-ftrapv-handler' => 1, # specifically call out separated -f flag
 | 
						|
  '-mios-simulator-version-min' => 0, # This really has 1 argument, but always has '='
 | 
						|
  '-isysroot' => 1,
 | 
						|
  '-arch' => 1,
 | 
						|
  '-m32' => 0,
 | 
						|
  '-m64' => 0,
 | 
						|
  '-stdlib' => 0, # This is really a 1 argument, but always has '='
 | 
						|
  '--sysroot' => 1,
 | 
						|
  '-target' => 1,
 | 
						|
  '-v' => 0,
 | 
						|
  '-mmacosx-version-min' => 0, # This is really a 1 argument, but always has '='
 | 
						|
  '-miphoneos-version-min' => 0 # This is really a 1 argument, but always has '='
 | 
						|
);
 | 
						|
 | 
						|
my %IgnoredOptionMap = (
 | 
						|
  '-MT' => 1,  # Ignore these preprocessor options.
 | 
						|
  '-MF' => 1,
 | 
						|
 | 
						|
  '-fsyntax-only' => 0,
 | 
						|
  '-save-temps' => 0,
 | 
						|
  '-install_name' => 1,
 | 
						|
  '-exported_symbols_list' => 1,
 | 
						|
  '-current_version' => 1,
 | 
						|
  '-compatibility_version' => 1,
 | 
						|
  '-init' => 1,
 | 
						|
  '-e' => 1,
 | 
						|
  '-seg1addr' => 1,
 | 
						|
  '-bundle_loader' => 1,
 | 
						|
  '-multiply_defined' => 1,
 | 
						|
  '-sectorder' => 3,
 | 
						|
  '--param' => 1,
 | 
						|
  '-u' => 1,
 | 
						|
  '--serialize-diagnostics' => 1
 | 
						|
);
 | 
						|
 | 
						|
my %LangMap = (
 | 
						|
  'c'   => $IsCXX ? 'c++' : 'c',
 | 
						|
  'cp'  => 'c++',
 | 
						|
  'cpp' => 'c++',
 | 
						|
  'cxx' => 'c++',
 | 
						|
  'txx' => 'c++',
 | 
						|
  'cc'  => 'c++',
 | 
						|
  'C'   => 'c++',
 | 
						|
  'ii'  => 'c++-cpp-output',
 | 
						|
  'i'   => $IsCXX ? 'c++-cpp-output' : 'c-cpp-output',
 | 
						|
  'm'   => 'objective-c',
 | 
						|
  'mi'  => 'objective-c-cpp-output',
 | 
						|
  'mm'  => 'objective-c++',
 | 
						|
  'mii' => 'objective-c++-cpp-output',
 | 
						|
);
 | 
						|
 | 
						|
my %UniqueOptions = (
 | 
						|
  '-isysroot' => 0
 | 
						|
);
 | 
						|
 | 
						|
##----------------------------------------------------------------------------##
 | 
						|
# Languages accepted.
 | 
						|
##----------------------------------------------------------------------------##
 | 
						|
 | 
						|
my %LangsAccepted = (
 | 
						|
  "objective-c" => 1,
 | 
						|
  "c" => 1,
 | 
						|
  "c++" => 1,
 | 
						|
  "objective-c++" => 1,
 | 
						|
  "c-cpp-output" => 1,
 | 
						|
  "objective-c-cpp-output" => 1,
 | 
						|
  "c++-cpp-output" => 1
 | 
						|
);
 | 
						|
 | 
						|
##----------------------------------------------------------------------------##
 | 
						|
#  Main Logic.
 | 
						|
##----------------------------------------------------------------------------##
 | 
						|
 | 
						|
my $Action = 'link';
 | 
						|
my @CompileOpts;
 | 
						|
my @LinkOpts;
 | 
						|
my @Files;
 | 
						|
my $Lang;
 | 
						|
my $Output;
 | 
						|
my %Uniqued;
 | 
						|
 | 
						|
# Forward arguments to gcc.
 | 
						|
my $Status = system($Compiler,@ARGV);
 | 
						|
if (defined $ENV{'CCC_ANALYZER_LOG'}) {
 | 
						|
  print STDERR "$Compiler @ARGV\n";
 | 
						|
}
 | 
						|
if ($Status) { exit($Status >> 8); }
 | 
						|
 | 
						|
# Get the analysis options.
 | 
						|
my $Analyses = $ENV{'CCC_ANALYZER_ANALYSIS'};
 | 
						|
 | 
						|
# Get the plugins to load.
 | 
						|
my $Plugins = $ENV{'CCC_ANALYZER_PLUGINS'};
 | 
						|
 | 
						|
# Get the store model.
 | 
						|
my $StoreModel = $ENV{'CCC_ANALYZER_STORE_MODEL'};
 | 
						|
 | 
						|
# Get the constraints engine.
 | 
						|
my $ConstraintsModel = $ENV{'CCC_ANALYZER_CONSTRAINTS_MODEL'};
 | 
						|
 | 
						|
#Get the internal stats setting.
 | 
						|
my $InternalStats = $ENV{'CCC_ANALYZER_INTERNAL_STATS'};
 | 
						|
 | 
						|
# Get the output format.
 | 
						|
my $OutputFormat = $ENV{'CCC_ANALYZER_OUTPUT_FORMAT'};
 | 
						|
if (!defined $OutputFormat) { $OutputFormat = "html"; }
 | 
						|
 | 
						|
# Get the config options.
 | 
						|
my $ConfigOptions = $ENV{'CCC_ANALYZER_CONFIG'};
 | 
						|
 | 
						|
# Determine the level of verbosity.
 | 
						|
my $Verbose = 0;
 | 
						|
if (defined $ENV{'CCC_ANALYZER_VERBOSE'}) { $Verbose = 1; }
 | 
						|
if (defined $ENV{'CCC_ANALYZER_LOG'}) { $Verbose = 2; }
 | 
						|
 | 
						|
# Get the HTML output directory.
 | 
						|
my $HtmlDir = $ENV{'CCC_ANALYZER_HTML'};
 | 
						|
 | 
						|
# Get force-analyze-debug-code option.
 | 
						|
my $ForceAnalyzeDebugCode = $ENV{'CCC_ANALYZER_FORCE_ANALYZE_DEBUG_CODE'};
 | 
						|
 | 
						|
my %DisabledArchs = ('ppc' => 1, 'ppc64' => 1);
 | 
						|
my %ArchsSeen;
 | 
						|
my $HadArch = 0;
 | 
						|
my $HasSDK = 0;
 | 
						|
 | 
						|
# Process the arguments.
 | 
						|
foreach (my $i = 0; $i < scalar(@ARGV); ++$i) {
 | 
						|
  my $Arg = $ARGV[$i];
 | 
						|
  my ($ArgKey) = split /=/,$Arg,2;
 | 
						|
 | 
						|
  # Be friendly to "" in the argument list.
 | 
						|
  if (!defined($ArgKey)) {
 | 
						|
    next;
 | 
						|
  }
 | 
						|
 | 
						|
  # Modes ccc-analyzer supports
 | 
						|
  if ($Arg =~ /^-(E|MM?)$/) { $Action = 'preprocess'; }
 | 
						|
  elsif ($Arg eq '-c') { $Action = 'compile'; }
 | 
						|
  elsif ($Arg =~ /^-print-prog-name/) { exit 0; }
 | 
						|
 | 
						|
  # Specially handle duplicate cases of -arch
 | 
						|
  if ($Arg eq "-arch") {
 | 
						|
    my $arch = $ARGV[$i+1];
 | 
						|
    # We don't want to process 'ppc' because of Clang's lack of support
 | 
						|
    # for Altivec (also some #defines won't likely be defined correctly, etc.)
 | 
						|
    if (!(defined $DisabledArchs{$arch})) { $ArchsSeen{$arch} = 1; }
 | 
						|
    $HadArch = 1;
 | 
						|
    ++$i;
 | 
						|
    next;
 | 
						|
  }
 | 
						|
 | 
						|
  # On OSX/iOS, record if an SDK path was specified.  This
 | 
						|
  # is innocuous for other platforms, so the check just happens.
 | 
						|
  if ($Arg =~ /^-isysroot/) {
 | 
						|
    $HasSDK = 1;
 | 
						|
  }
 | 
						|
 | 
						|
  # Options with possible arguments that should pass through to compiler.
 | 
						|
  if (defined $CompileOptionMap{$ArgKey}) {
 | 
						|
    my $Cnt = $CompileOptionMap{$ArgKey};
 | 
						|
    push @CompileOpts,$Arg;
 | 
						|
    while ($Cnt > 0) { ++$i; --$Cnt; push @CompileOpts, $ARGV[$i]; }
 | 
						|
    next;
 | 
						|
  }
 | 
						|
  # Handle the case where there isn't a space after -iquote
 | 
						|
  if ($Arg =~ /^-iquote.*/) {
 | 
						|
    push @CompileOpts,$Arg;
 | 
						|
    next;
 | 
						|
  }
 | 
						|
 | 
						|
  # Options with possible arguments that should pass through to linker.
 | 
						|
  if (defined $LinkerOptionMap{$ArgKey}) {
 | 
						|
    my $Cnt = $LinkerOptionMap{$ArgKey};
 | 
						|
    push @LinkOpts,$Arg;
 | 
						|
    while ($Cnt > 0) { ++$i; --$Cnt; push @LinkOpts, $ARGV[$i]; }
 | 
						|
    next;
 | 
						|
  }
 | 
						|
 | 
						|
  # Options with possible arguments that should pass through to both compiler
 | 
						|
  # and the linker.
 | 
						|
  if (defined $CompilerLinkerOptionMap{$ArgKey}) {
 | 
						|
    my $Cnt = $CompilerLinkerOptionMap{$ArgKey};
 | 
						|
 | 
						|
    # Check if this is an option that should have a unique value, and if so
 | 
						|
    # determine if the value was checked before.
 | 
						|
    if ($UniqueOptions{$Arg}) {
 | 
						|
      if (defined $Uniqued{$Arg}) {
 | 
						|
        $i += $Cnt;
 | 
						|
        next;
 | 
						|
      }
 | 
						|
      $Uniqued{$Arg} = 1;
 | 
						|
    }
 | 
						|
 | 
						|
    push @CompileOpts,$Arg;
 | 
						|
    push @LinkOpts,$Arg;
 | 
						|
 | 
						|
    while ($Cnt > 0) {
 | 
						|
      ++$i; --$Cnt;
 | 
						|
      push @CompileOpts, $ARGV[$i];
 | 
						|
      push @LinkOpts, $ARGV[$i];
 | 
						|
    }
 | 
						|
    next;
 | 
						|
  }
 | 
						|
 | 
						|
  # Ignored options.
 | 
						|
  if (defined $IgnoredOptionMap{$ArgKey}) {
 | 
						|
    my $Cnt = $IgnoredOptionMap{$ArgKey};
 | 
						|
    while ($Cnt > 0) {
 | 
						|
      ++$i; --$Cnt;
 | 
						|
    }
 | 
						|
    next;
 | 
						|
  }
 | 
						|
 | 
						|
  # Compile mode flags.
 | 
						|
  if ($Arg =~ /^-(?:[DIU]|isystem)(.*)$/) {
 | 
						|
    my $Tmp = $Arg;
 | 
						|
    if ($1 eq '') {
 | 
						|
      # FIXME: Check if we are going off the end.
 | 
						|
      ++$i;
 | 
						|
      $Tmp = $Arg . $ARGV[$i];
 | 
						|
    }
 | 
						|
    push @CompileOpts,$Tmp;
 | 
						|
    next;
 | 
						|
  }
 | 
						|
 | 
						|
  if ($Arg =~ /^-m.*/) {
 | 
						|
    push @CompileOpts,$Arg;
 | 
						|
    next;
 | 
						|
  }
 | 
						|
 | 
						|
  # Language.
 | 
						|
  if ($Arg eq '-x') {
 | 
						|
    $Lang = $ARGV[$i+1];
 | 
						|
    ++$i; next;
 | 
						|
  }
 | 
						|
 | 
						|
  # Output file.
 | 
						|
  if ($Arg eq '-o') {
 | 
						|
    ++$i;
 | 
						|
    $Output = $ARGV[$i];
 | 
						|
    next;
 | 
						|
  }
 | 
						|
 | 
						|
  # Get the link mode.
 | 
						|
  if ($Arg =~ /^-[l,L,O]/) {
 | 
						|
    if ($Arg eq '-O') { push @LinkOpts,'-O1'; }
 | 
						|
    elsif ($Arg eq '-Os') { push @LinkOpts,'-O2'; }
 | 
						|
    else { push @LinkOpts,$Arg; }
 | 
						|
 | 
						|
    # Must pass this along for the __OPTIMIZE__ macro
 | 
						|
    if ($Arg =~ /^-O/) { push @CompileOpts,$Arg; }
 | 
						|
    next;
 | 
						|
  }
 | 
						|
 | 
						|
  if ($Arg =~ /^-std=/) {
 | 
						|
    push @CompileOpts,$Arg;
 | 
						|
    next;
 | 
						|
  }
 | 
						|
 | 
						|
  # Get the compiler/link mode.
 | 
						|
  if ($Arg =~ /^-F(.+)$/) {
 | 
						|
    my $Tmp = $Arg;
 | 
						|
    if ($1 eq '') {
 | 
						|
      # FIXME: Check if we are going off the end.
 | 
						|
      ++$i;
 | 
						|
      $Tmp = $Arg . $ARGV[$i];
 | 
						|
    }
 | 
						|
    push @CompileOpts,$Tmp;
 | 
						|
    push @LinkOpts,$Tmp;
 | 
						|
    next;
 | 
						|
  }
 | 
						|
 | 
						|
  # Input files.
 | 
						|
  if ($Arg eq '-filelist') {
 | 
						|
    # FIXME: Make sure we aren't walking off the end.
 | 
						|
    open(IN, $ARGV[$i+1]);
 | 
						|
    while (<IN>) { s/\015?\012//; push @Files,$_; }
 | 
						|
    close(IN);
 | 
						|
    ++$i;
 | 
						|
    next;
 | 
						|
  }
 | 
						|
 | 
						|
  if ($Arg =~ /^-f/) {
 | 
						|
    push @CompileOpts,$Arg;
 | 
						|
    push @LinkOpts,$Arg;
 | 
						|
    next;
 | 
						|
  }
 | 
						|
 | 
						|
  # Handle -Wno-.  We don't care about extra warnings, but
 | 
						|
  # we should suppress ones that we don't want to see.
 | 
						|
  if ($Arg =~ /^-Wno-/) {
 | 
						|
    push @CompileOpts, $Arg;
 | 
						|
    next;
 | 
						|
  }
 | 
						|
 | 
						|
  # Handle -Xclang some-arg. Add both arguments to the compiler options.
 | 
						|
  if ($Arg =~ /^-Xclang$/) {
 | 
						|
    # FIXME: Check if we are going off the end.
 | 
						|
    ++$i;
 | 
						|
    push @CompileOpts, $Arg;
 | 
						|
    push @CompileOpts, $ARGV[$i];
 | 
						|
    next;
 | 
						|
  }
 | 
						|
 | 
						|
  if (!($Arg =~ /^-/)) {
 | 
						|
    push @Files, $Arg;
 | 
						|
    next;
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
# Forcedly enable debugging if requested by user.
 | 
						|
if ($ForceAnalyzeDebugCode) {
 | 
						|
  push @CompileOpts, '-UNDEBUG';
 | 
						|
}
 | 
						|
 | 
						|
# If we are on OSX and have an installation where the
 | 
						|
# default SDK is inferred by xcrun use xcrun to infer
 | 
						|
# the SDK.
 | 
						|
if (not $HasSDK and $UseXCRUN) {
 | 
						|
  my $sdk = `/usr/bin/xcrun --show-sdk-path -sdk macosx`;
 | 
						|
  chomp $sdk;
 | 
						|
  push @CompileOpts, "-isysroot", $sdk;
 | 
						|
}
 | 
						|
 | 
						|
if ($Action eq 'compile' or $Action eq 'link') {
 | 
						|
  my @Archs = keys %ArchsSeen;
 | 
						|
  # Skip the file if we don't support the architectures specified.
 | 
						|
  exit 0 if ($HadArch && scalar(@Archs) == 0);
 | 
						|
 | 
						|
  foreach my $file (@Files) {
 | 
						|
    # Determine the language for the file.
 | 
						|
    my $FileLang = $Lang;
 | 
						|
 | 
						|
    if (!defined($FileLang)) {
 | 
						|
      # Infer the language from the extension.
 | 
						|
      if ($file =~ /[.]([^.]+)$/) {
 | 
						|
        $FileLang = $LangMap{$1};
 | 
						|
      }
 | 
						|
    }
 | 
						|
 | 
						|
    # FileLang still not defined?  Skip the file.
 | 
						|
    next if (!defined $FileLang);
 | 
						|
 | 
						|
    # Language not accepted?
 | 
						|
    next if (!defined $LangsAccepted{$FileLang});
 | 
						|
 | 
						|
    my @CmdArgs;
 | 
						|
    my @AnalyzeArgs;
 | 
						|
 | 
						|
    if ($FileLang ne 'unknown') {
 | 
						|
      push @CmdArgs, '-x', $FileLang;
 | 
						|
    }
 | 
						|
 | 
						|
    if (defined $StoreModel) {
 | 
						|
      push @AnalyzeArgs, "-analyzer-store=$StoreModel";
 | 
						|
    }
 | 
						|
 | 
						|
    if (defined $ConstraintsModel) {
 | 
						|
      push @AnalyzeArgs, "-analyzer-constraints=$ConstraintsModel";
 | 
						|
    }
 | 
						|
 | 
						|
    if (defined $InternalStats) {
 | 
						|
      push @AnalyzeArgs, "-analyzer-stats";
 | 
						|
    }
 | 
						|
 | 
						|
    if (defined $Analyses) {
 | 
						|
      push @AnalyzeArgs, split '\s+', $Analyses;
 | 
						|
    }
 | 
						|
 | 
						|
    if (defined $Plugins) {
 | 
						|
      push @AnalyzeArgs, split '\s+', $Plugins;
 | 
						|
    }
 | 
						|
 | 
						|
    if (defined $OutputFormat) {
 | 
						|
      push @AnalyzeArgs, "-analyzer-output=" . $OutputFormat;
 | 
						|
      if ($OutputFormat =~ /plist/) {
 | 
						|
        # Change "Output" to be a file.
 | 
						|
        my ($h, $f) = tempfile("report-XXXXXX", SUFFIX => ".plist",
 | 
						|
                               DIR => $HtmlDir);
 | 
						|
        $ResultFile = $f;
 | 
						|
        # If the HtmlDir is not set, we should clean up the plist files.
 | 
						|
        if (!defined $HtmlDir || -z $HtmlDir) {
 | 
						|
          $CleanupFile = $f;
 | 
						|
        }
 | 
						|
      }
 | 
						|
    }
 | 
						|
    if (defined $ConfigOptions) {
 | 
						|
      push @AnalyzeArgs, split '\s+', $ConfigOptions;
 | 
						|
    }
 | 
						|
 | 
						|
    push @CmdArgs, @CompileOpts;
 | 
						|
    push @CmdArgs, $file;
 | 
						|
 | 
						|
    if (scalar @Archs) {
 | 
						|
      foreach my $arch (@Archs) {
 | 
						|
        my @NewArgs;
 | 
						|
        push @NewArgs, '-arch', $arch;
 | 
						|
        push @NewArgs, @CmdArgs;
 | 
						|
        Analyze($Clang, \@NewArgs, \@AnalyzeArgs, $FileLang, $Output,
 | 
						|
                $Verbose, $HtmlDir, $file);
 | 
						|
      }
 | 
						|
    }
 | 
						|
    else {
 | 
						|
      Analyze($Clang, \@CmdArgs, \@AnalyzeArgs, $FileLang, $Output,
 | 
						|
              $Verbose, $HtmlDir, $file);
 | 
						|
    }
 | 
						|
  }
 | 
						|
}
 |