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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 14 | pmbaty | 1 | #!/usr/bin/env perl |
| 2 | # |
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| 3 | # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | # See https://llvm.org/LICENSE.txt for license information. |
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| 5 | # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | # |
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| 7 | ##===----------------------------------------------------------------------===## |
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| 8 | # |
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| 9 | # A script designed to wrap a build so that all calls to gcc are intercepted |
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| 10 | # and piped to the static analyzer. |
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| 11 | # |
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| 12 | ##===----------------------------------------------------------------------===## |
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| 13 | |||
| 14 | use strict; |
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| 15 | use warnings; |
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| 16 | use FindBin qw($RealBin); |
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| 17 | use File::Basename; |
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| 18 | use File::Find; |
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| 19 | use File::Copy qw(copy); |
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| 20 | use File::Path qw( rmtree mkpath ); |
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| 21 | use Term::ANSIColor; |
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| 22 | use Term::ANSIColor qw(:constants); |
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| 23 | use Cwd qw/ getcwd abs_path /; |
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| 24 | use Sys::Hostname; |
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| 25 | use Hash::Util qw(lock_keys); |
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| 26 | |||
| 27 | my $Prog = "scan-build"; |
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| 28 | my $BuildName; |
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| 29 | my $BuildDate; |
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| 30 | |||
| 31 | my $TERM = $ENV{'TERM'}; |
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| 32 | my $UseColor = (defined $TERM and $TERM =~ 'xterm-.*color' and -t STDOUT |
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| 33 | and defined $ENV{'SCAN_BUILD_COLOR'}); |
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| 34 | |||
| 35 | # Portability: getpwuid is not implemented for Win32 (see Perl language |
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| 36 | # reference, perlport), use getlogin instead. |
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| 37 | my $UserName = HtmlEscape(getlogin() || getpwuid($<) || 'unknown'); |
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| 38 | my $HostName = HtmlEscape(hostname() || 'unknown'); |
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| 39 | my $CurrentDir = HtmlEscape(getcwd()); |
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| 40 | |||
| 41 | my $CmdArgs; |
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| 42 | |||
| 43 | my $Date = localtime(); |
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| 44 | |||
| 45 | # Command-line/config arguments. |
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| 46 | my %Options = ( |
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| 47 | Verbose => 0, # Verbose output from this script. |
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| 48 | AnalyzeHeaders => 0, |
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| 49 | OutputDir => undef, # Parent directory to store HTML files. |
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| 50 | HtmlTitle => basename($CurrentDir)." - scan-build results", |
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| 51 | IgnoreErrors => 0, # Ignore build errors. |
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| 52 | KeepCC => 0, # Do not override CC and CXX make variables |
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| 53 | ViewResults => 0, # View results when the build terminates. |
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| 54 | ExitStatusFoundBugs => 0, # Exit status reflects whether bugs were found |
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| 55 | ShowDescription => 0, # Display the description of the defect in the list |
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| 56 | KeepEmpty => 0, # Don't remove output directory even with 0 results. |
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| 57 | EnableCheckers => {}, |
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| 58 | DisableCheckers => {}, |
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| 59 | SilenceCheckers => {}, |
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| 60 | Excludes => [], |
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| 61 | UseCC => undef, # C compiler to use for compilation. |
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| 62 | UseCXX => undef, # C++ compiler to use for compilation. |
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| 63 | AnalyzerTarget => undef, |
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| 64 | ConstraintsModel => undef, |
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| 65 | InternalStats => undef, |
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| 66 | OutputFormat => "html", |
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| 67 | ConfigOptions => [], # Options to pass through to the analyzer's -analyzer-config flag. |
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| 68 | ReportFailures => undef, |
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| 69 | AnalyzerStats => 0, |
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| 70 | MaxLoop => 0, |
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| 71 | PluginsToLoad => [], |
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| 72 | AnalyzerDiscoveryMethod => undef, |
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| 73 | OverrideCompiler => 0, # The flag corresponding to the --override-compiler command line option. |
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| 74 | ForceAnalyzeDebugCode => 0, |
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| 75 | GenerateIndex => 0 # Skip the analysis, only generate index.html. |
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| 76 | ); |
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| 77 | lock_keys(%Options); |
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| 78 | |||
| 79 | ##----------------------------------------------------------------------------## |
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| 80 | # Diagnostics |
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| 81 | ##----------------------------------------------------------------------------## |
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| 82 | |||
| 83 | sub Diag { |
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| 84 | if ($UseColor) { |
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| 85 | print BOLD, MAGENTA "$Prog: @_"; |
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| 86 | print RESET; |
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| 87 | } |
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| 88 | else { |
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| 89 | print "$Prog: @_"; |
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| 90 | } |
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| 91 | } |
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| 92 | |||
| 93 | sub ErrorDiag { |
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| 94 | if ($UseColor) { |
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| 95 | print STDERR BOLD, RED "$Prog: "; |
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| 96 | print STDERR RESET, RED @_; |
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| 97 | print STDERR RESET; |
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| 98 | } else { |
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| 99 | print STDERR "$Prog: @_"; |
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| 100 | } |
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| 101 | } |
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| 102 | |||
| 103 | sub DiagCrashes { |
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| 104 | my $Dir = shift; |
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| 105 | Diag ("The analyzer encountered problems on some source files.\n"); |
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| 106 | Diag ("Preprocessed versions of these sources were deposited in '$Dir/failures'.\n"); |
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| 107 | Diag ("Please consider submitting a bug report using these files:\n"); |
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| 108 | Diag (" http://clang-analyzer.llvm.org/filing_bugs.html\n") |
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| 109 | } |
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| 110 | |||
| 111 | sub DieDiag { |
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| 112 | if ($UseColor) { |
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| 113 | print STDERR BOLD, RED "$Prog: "; |
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| 114 | print STDERR RESET, RED @_; |
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| 115 | print STDERR RESET; |
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| 116 | } |
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| 117 | else { |
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| 118 | print STDERR "$Prog: ", @_; |
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| 119 | } |
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| 120 | exit 1; |
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| 121 | } |
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| 122 | |||
| 123 | ##----------------------------------------------------------------------------## |
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| 124 | # Print default checker names |
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| 125 | ##----------------------------------------------------------------------------## |
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| 126 | |||
| 127 | if (grep /^--help-checkers$/, @ARGV) { |
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| 128 | my @options = qx($0 -h); |
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| 129 | foreach (@options) { |
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| 130 | next unless /^ \+/; |
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| 131 | s/^\s*//; |
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| 132 | my ($sign, $name, @text) = split ' ', $_; |
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| 133 | print $name, $/ if $sign eq '+'; |
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| 134 | } |
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| 135 | exit 0; |
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| 136 | } |
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| 137 | |||
| 138 | ##----------------------------------------------------------------------------## |
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| 139 | # Declaration of Clang options. Populated later. |
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| 140 | ##----------------------------------------------------------------------------## |
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| 141 | |||
| 142 | my $Clang; |
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| 143 | my $ClangSB; |
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| 144 | my $ClangCXX; |
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| 145 | my $ClangVersion; |
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| 146 | |||
| 147 | ##----------------------------------------------------------------------------## |
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| 148 | # GetHTMLRunDir - Construct an HTML directory name for the current sub-run. |
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| 149 | ##----------------------------------------------------------------------------## |
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| 150 | |||
| 151 | sub GetHTMLRunDir { |
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| 152 | die "Not enough arguments." if (@_ == 0); |
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| 153 | my $Dir = shift @_; |
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| 154 | my $TmpMode = 0; |
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| 155 | if (!defined $Dir) { |
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| 156 | $Dir = $ENV{'TMPDIR'} || $ENV{'TEMP'} || $ENV{'TMP'} || "/tmp"; |
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| 157 | $TmpMode = 1; |
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| 158 | } |
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| 159 | |||
| 160 | # Chop off any trailing '/' characters. |
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| 161 | while ($Dir =~ /\/$/) { chop $Dir; } |
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| 162 | |||
| 163 | # Get current date and time. |
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| 164 | my @CurrentTime = localtime(); |
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| 165 | my $year = $CurrentTime[5] + 1900; |
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| 166 | my $day = $CurrentTime[3]; |
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| 167 | my $month = $CurrentTime[4] + 1; |
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| 168 | my $hour = $CurrentTime[2]; |
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| 169 | my $min = $CurrentTime[1]; |
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| 170 | my $sec = $CurrentTime[0]; |
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| 171 | |||
| 172 | my $TimeString = sprintf("%02d%02d%02d", $hour, $min, $sec); |
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| 173 | my $DateString = sprintf("%d-%02d-%02d-%s-$$", |
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| 174 | $year, $month, $day, $TimeString); |
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| 175 | |||
| 176 | # Determine the run number. |
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| 177 | my $RunNumber; |
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| 178 | |||
| 179 | if (-d $Dir) { |
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| 180 | if (! -r $Dir) { |
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| 181 | DieDiag("directory '$Dir' exists but is not readable.\n"); |
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| 182 | } |
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| 183 | # Iterate over all files in the specified directory. |
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| 184 | my $max = 0; |
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| 185 | opendir(DIR, $Dir); |
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| 186 | my @FILES = grep { -d "$Dir/$_" } readdir(DIR); |
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| 187 | closedir(DIR); |
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| 188 | |||
| 189 | foreach my $f (@FILES) { |
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| 190 | # Strip the prefix '$Prog-' if we are dumping files to /tmp. |
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| 191 | if ($TmpMode) { |
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| 192 | next if (!($f =~ /^$Prog-(.+)/)); |
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| 193 | $f = $1; |
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| 194 | } |
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| 195 | |||
| 196 | my @x = split/-/, $f; |
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| 197 | next if (scalar(@x) != 4); |
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| 198 | next if ($x[0] != $year); |
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| 199 | next if ($x[1] != $month); |
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| 200 | next if ($x[2] != $day); |
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| 201 | next if ($x[3] != $TimeString); |
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| 202 | next if ($x[4] != $$); |
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| 203 | |||
| 204 | if ($x[5] > $max) { |
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| 205 | $max = $x[5]; |
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| 206 | } |
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| 207 | } |
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| 208 | |||
| 209 | $RunNumber = $max + 1; |
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| 210 | } |
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| 211 | else { |
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| 212 | |||
| 213 | if (-x $Dir) { |
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| 214 | DieDiag("'$Dir' exists but is not a directory.\n"); |
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| 215 | } |
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| 216 | |||
| 217 | if ($TmpMode) { |
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| 218 | DieDiag("The directory '/tmp' does not exist or cannot be accessed.\n"); |
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| 219 | } |
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| 220 | |||
| 221 | # $Dir does not exist. It will be automatically created by the |
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| 222 | # clang driver. Set the run number to 1. |
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| 223 | |||
| 224 | $RunNumber = 1; |
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| 225 | } |
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| 226 | |||
| 227 | die "RunNumber must be defined!" if (!defined $RunNumber); |
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| 228 | |||
| 229 | # Append the run number. |
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| 230 | my $NewDir; |
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| 231 | if ($TmpMode) { |
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| 232 | $NewDir = "$Dir/$Prog-$DateString-$RunNumber"; |
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| 233 | } |
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| 234 | else { |
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| 235 | $NewDir = "$Dir/$DateString-$RunNumber"; |
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| 236 | } |
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| 237 | |||
| 238 | # Make sure that the directory does not exist in order to avoid hijack. |
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| 239 | if (-e $NewDir) { |
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| 240 | DieDiag("The directory '$NewDir' already exists.\n"); |
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| 241 | } |
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| 242 | |||
| 243 | mkpath($NewDir); |
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| 244 | return $NewDir; |
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| 245 | } |
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| 246 | |||
| 247 | sub SetHtmlEnv { |
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| 248 | |||
| 249 | die "Wrong number of arguments." if (scalar(@_) != 2); |
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| 250 | |||
| 251 | my $Args = shift; |
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| 252 | my $Dir = shift; |
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| 253 | |||
| 254 | die "No build command." if (scalar(@$Args) == 0); |
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| 255 | |||
| 256 | my $Cmd = $$Args[0]; |
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| 257 | |||
| 258 | if ($Cmd =~ /configure/ || $Cmd =~ /autogen/) { |
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| 259 | return; |
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| 260 | } |
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| 261 | |||
| 262 | if ($Options{Verbose}) { |
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| 263 | Diag("Emitting reports for this run to '$Dir'.\n"); |
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| 264 | } |
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| 265 | |||
| 266 | $ENV{'CCC_ANALYZER_HTML'} = $Dir; |
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| 267 | } |
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| 268 | |||
| 269 | ##----------------------------------------------------------------------------## |
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| 270 | # UpdatePrefix - Compute the common prefix of files. |
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| 271 | ##----------------------------------------------------------------------------## |
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| 272 | |||
| 273 | my $Prefix; |
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| 274 | |||
| 275 | sub UpdatePrefix { |
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| 276 | my $x = shift; |
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| 277 | my $y = basename($x); |
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| 278 | $x =~ s/\Q$y\E$//; |
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| 279 | |||
| 280 | if (!defined $Prefix) { |
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| 281 | $Prefix = $x; |
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| 282 | return; |
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| 283 | } |
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| 284 | |||
| 285 | chop $Prefix while (!($x =~ /^\Q$Prefix/)); |
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| 286 | } |
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| 287 | |||
| 288 | sub GetPrefix { |
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| 289 | return $Prefix; |
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| 290 | } |
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| 291 | |||
| 292 | ##----------------------------------------------------------------------------## |
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| 293 | # UpdateInFilePath - Update the path in the report file. |
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| 294 | ##----------------------------------------------------------------------------## |
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| 295 | |||
| 296 | sub UpdateInFilePath { |
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| 297 | my $fname = shift; |
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| 298 | my $regex = shift; |
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| 299 | my $newtext = shift; |
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| 300 | |||
| 301 | open (RIN, $fname) or die "cannot open $fname"; |
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| 302 | open (ROUT, ">", "$fname.tmp") or die "cannot open $fname.tmp"; |
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| 303 | |||
| 304 | while (<RIN>) { |
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| 305 | s/$regex/$newtext/; |
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| 306 | print ROUT $_; |
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| 307 | } |
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| 308 | |||
| 309 | close (ROUT); |
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| 310 | close (RIN); |
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| 311 | rename("$fname.tmp", $fname) |
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| 312 | } |
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| 313 | |||
| 314 | ##----------------------------------------------------------------------------## |
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| 315 | # AddStatLine - Decode and insert a statistics line into the database. |
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| 316 | ##----------------------------------------------------------------------------## |
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| 317 | |||
| 318 | sub AddStatLine { |
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| 319 | my $Line = shift; |
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| 320 | my $Stats = shift; |
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| 321 | my $File = shift; |
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| 322 | |||
| 323 | print $Line . "\n"; |
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| 324 | |||
| 325 | my $Regex = qr/(.*?)\ ->\ Total\ CFGBlocks:\ (\d+)\ \|\ Unreachable |
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| 326 | \ CFGBlocks:\ (\d+)\ \|\ Exhausted\ Block:\ (yes|no)\ \|\ Empty\ WorkList: |
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| 327 | \ (yes|no)/x; |
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| 328 | |||
| 329 | if ($Line !~ $Regex) { |
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| 330 | return; |
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| 331 | } |
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| 332 | |||
| 333 | # Create a hash of the interesting fields |
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| 334 | my $Row = { |
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| 335 | Filename => $File, |
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| 336 | Function => $1, |
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| 337 | Total => $2, |
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| 338 | Unreachable => $3, |
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| 339 | Aborted => $4, |
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| 340 | Empty => $5 |
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| 341 | }; |
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| 342 | |||
| 343 | # Add them to the stats array |
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| 344 | push @$Stats, $Row; |
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| 345 | } |
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| 346 | |||
| 347 | ##----------------------------------------------------------------------------## |
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| 348 | # ScanFile - Scan a report file for various identifying attributes. |
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| 349 | ##----------------------------------------------------------------------------## |
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| 350 | |||
| 351 | # Sometimes a source file is scanned more than once, and thus produces |
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| 352 | # multiple error reports. We use a cache to solve this problem. |
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| 353 | |||
| 354 | sub ScanFile { |
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| 355 | |||
| 356 | my $Index = shift; |
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| 357 | my $Dir = shift; |
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| 358 | my $FName = shift; |
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| 359 | my $Stats = shift; |
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| 360 | |||
| 361 | # At this point the report file is not world readable. Make it happen. |
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| 362 | chmod(0644, "$Dir/$FName"); |
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| 363 | |||
| 364 | # Scan the report file for tags. |
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| 365 | open(IN, "$Dir/$FName") or DieDiag("Cannot open '$Dir/$FName'\n"); |
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| 366 | |||
| 367 | my $BugType = ""; |
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| 368 | my $BugFile = ""; |
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| 369 | my $BugFunction = ""; |
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| 370 | my $BugCategory = ""; |
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| 371 | my $BugDescription = ""; |
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| 372 | my $BugPathLength = 1; |
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| 373 | my $BugLine = 0; |
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| 374 | |||
| 375 | while (<IN>) { |
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| 376 | last if (/<!-- BUGMETAEND -->/); |
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| 377 | |||
| 378 | if (/<!-- BUGTYPE (.*) -->$/) { |
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| 379 | $BugType = $1; |
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| 380 | } |
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| 381 | elsif (/<!-- BUGFILE (.*) -->$/) { |
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| 382 | $BugFile = abs_path($1); |
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| 383 | if (!defined $BugFile) { |
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| 384 | # The file no longer exists: use the original path. |
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| 385 | $BugFile = $1; |
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| 386 | } |
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| 387 | |||
| 388 | # Get just the path |
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| 389 | my $p = dirname($BugFile); |
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| 390 | # Check if the path is found in the list of exclude |
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| 391 | if (grep { $p =~ m/$_/ } @{$Options{Excludes}}) { |
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| 392 | if ($Options{Verbose}) { |
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| 393 | Diag("File '$BugFile' deleted: part of an ignored directory.\n"); |
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| 394 | } |
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| 395 | |||
| 396 | # File in an ignored directory. Remove it |
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| 397 | unlink("$Dir/$FName"); |
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| 398 | return; |
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| 399 | } |
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| 400 | |||
| 401 | UpdatePrefix($BugFile); |
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| 402 | } |
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| 403 | elsif (/<!-- BUGPATHLENGTH (.*) -->$/) { |
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| 404 | $BugPathLength = $1; |
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| 405 | } |
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| 406 | elsif (/<!-- BUGLINE (.*) -->$/) { |
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| 407 | $BugLine = $1; |
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| 408 | } |
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| 409 | elsif (/<!-- BUGCATEGORY (.*) -->$/) { |
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| 410 | $BugCategory = $1; |
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| 411 | } |
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| 412 | elsif (/<!-- BUGDESC (.*) -->$/) { |
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| 413 | $BugDescription = $1; |
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| 414 | } |
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| 415 | elsif (/<!-- FUNCTIONNAME (.*) -->$/) { |
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| 416 | $BugFunction = $1; |
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| 417 | } |
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| 418 | |||
| 419 | } |
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| 420 | |||
| 421 | |||
| 422 | close(IN); |
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| 423 | |||
| 424 | if (!defined $BugCategory) { |
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| 425 | $BugCategory = "Other"; |
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| 426 | } |
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| 427 | |||
| 428 | # Don't add internal statistics to the bug reports |
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| 429 | if ($BugCategory =~ /statistics/i) { |
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| 430 | AddStatLine($BugDescription, $Stats, $BugFile); |
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| 431 | return; |
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| 432 | } |
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| 433 | |||
| 434 | push @$Index,[ $FName, $BugCategory, $BugType, $BugFile, $BugFunction, $BugLine, |
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| 435 | $BugPathLength ]; |
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| 436 | |||
| 437 | if ($Options{ShowDescription}) { |
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| 438 | push @{ $Index->[-1] }, $BugDescription |
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| 439 | } |
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| 440 | } |
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| 441 | |||
| 442 | ##----------------------------------------------------------------------------## |
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| 443 | # CopyFiles - Copy resource files to target directory. |
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| 444 | ##----------------------------------------------------------------------------## |
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| 445 | |||
| 446 | sub CopyFiles { |
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| 447 | |||
| 448 | my $Dir = shift; |
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| 449 | |||
| 450 | my $JS = Cwd::realpath("$RealBin/../share/scan-build/sorttable.js"); |
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| 451 | |||
| 452 | DieDiag("Cannot find 'sorttable.js'.\n") |
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| 453 | if (! -r $JS); |
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| 454 | |||
| 455 | copy($JS, "$Dir"); |
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| 456 | |||
| 457 | DieDiag("Could not copy 'sorttable.js' to '$Dir'.\n") |
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| 458 | if (! -r "$Dir/sorttable.js"); |
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| 459 | |||
| 460 | my $CSS = Cwd::realpath("$RealBin/../share/scan-build/scanview.css"); |
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| 461 | |||
| 462 | DieDiag("Cannot find 'scanview.css'.\n") |
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| 463 | if (! -r $CSS); |
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| 464 | |||
| 465 | copy($CSS, "$Dir"); |
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| 466 | |||
| 467 | DieDiag("Could not copy 'scanview.css' to '$Dir'.\n") |
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| 468 | if (! -r $CSS); |
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| 469 | } |
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| 470 | |||
| 471 | ##----------------------------------------------------------------------------## |
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| 472 | # CalcStats - Calculates visitation statistics and returns the string. |
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| 473 | ##----------------------------------------------------------------------------## |
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| 474 | |||
| 475 | sub CalcStats { |
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| 476 | my $Stats = shift; |
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| 477 | |||
| 478 | my $TotalBlocks = 0; |
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| 479 | my $UnreachedBlocks = 0; |
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| 480 | my $TotalFunctions = scalar(@$Stats); |
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| 481 | my $BlockAborted = 0; |
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| 482 | my $WorkListAborted = 0; |
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| 483 | my $Aborted = 0; |
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| 484 | |||
| 485 | # Calculate the unique files |
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| 486 | my $FilesHash = {}; |
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| 487 | |||
| 488 | foreach my $Row (@$Stats) { |
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| 489 | $FilesHash->{$Row->{Filename}} = 1; |
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| 490 | $TotalBlocks += $Row->{Total}; |
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| 491 | $UnreachedBlocks += $Row->{Unreachable}; |
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| 492 | $BlockAborted++ if $Row->{Aborted} eq 'yes'; |
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| 493 | $WorkListAborted++ if $Row->{Empty} eq 'no'; |
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| 494 | $Aborted++ if $Row->{Aborted} eq 'yes' || $Row->{Empty} eq 'no'; |
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| 495 | } |
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| 496 | |||
| 497 | my $TotalFiles = scalar(keys(%$FilesHash)); |
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| 498 | |||
| 499 | # Calculations |
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| 500 | my $PercentAborted = sprintf("%.2f", $Aborted / $TotalFunctions * 100); |
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| 501 | my $PercentBlockAborted = sprintf("%.2f", $BlockAborted / $TotalFunctions |
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| 502 | * 100); |
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| 503 | my $PercentWorkListAborted = sprintf("%.2f", $WorkListAborted / |
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| 504 | $TotalFunctions * 100); |
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| 505 | my $PercentBlocksUnreached = sprintf("%.2f", $UnreachedBlocks / $TotalBlocks |
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| 506 | * 100); |
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| 507 | |||
| 508 | my $StatsString = "Analyzed $TotalBlocks blocks in $TotalFunctions functions" |
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| 509 | . " in $TotalFiles files\n" |
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| 510 | . "$Aborted functions aborted early ($PercentAborted%)\n" |
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| 511 | . "$BlockAborted had aborted blocks ($PercentBlockAborted%)\n" |
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| 512 | . "$WorkListAborted had unfinished worklists ($PercentWorkListAborted%)\n" |
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| 513 | . "$UnreachedBlocks blocks were never reached ($PercentBlocksUnreached%)\n"; |
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| 514 | |||
| 515 | return $StatsString; |
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| 516 | } |
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| 517 | |||
| 518 | ##----------------------------------------------------------------------------## |
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| 519 | # Postprocess - Postprocess the results of an analysis scan. |
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| 520 | ##----------------------------------------------------------------------------## |
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| 521 | |||
| 522 | my @filesFound; |
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| 523 | my $baseDir; |
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| 524 | sub FileWanted { |
||
| 525 | my $baseDirRegEx = quotemeta $baseDir; |
||
| 526 | my $file = $File::Find::name; |
||
| 527 | |||
| 528 | # The name of the file is generated by clang binary (HTMLDiagnostics.cpp) |
||
| 529 | if ($file =~ /report-.*\.html$/) { |
||
| 530 | my $relative_file = $file; |
||
| 531 | $relative_file =~ s/$baseDirRegEx//g; |
||
| 532 | push @filesFound, $relative_file; |
||
| 533 | } |
||
| 534 | } |
||
| 535 | |||
| 536 | sub Postprocess { |
||
| 537 | |||
| 538 | my $Dir = shift; |
||
| 539 | my $BaseDir = shift; |
||
| 540 | my $AnalyzerStats = shift; |
||
| 541 | my $KeepEmpty = shift; |
||
| 542 | |||
| 543 | die "No directory specified." if (!defined $Dir); |
||
| 544 | |||
| 545 | if (! -d $Dir) { |
||
| 546 | Diag("No bugs found.\n"); |
||
| 547 | return 0; |
||
| 548 | } |
||
| 549 | |||
| 550 | $baseDir = $Dir . "/"; |
||
| 551 | find({ wanted => \&FileWanted, follow => 0}, $Dir); |
||
| 552 | |||
| 553 | if (scalar(@filesFound) == 0 and ! -e "$Dir/failures") { |
||
| 554 | if (! $KeepEmpty) { |
||
| 555 | Diag("Removing directory '$Dir' because it contains no reports.\n"); |
||
| 556 | rmtree($Dir) or die "Cannot rmtree '$Dir' : $!"; |
||
| 557 | } |
||
| 558 | Diag("No bugs found.\n"); |
||
| 559 | return 0; |
||
| 560 | } |
||
| 561 | |||
| 562 | # Scan each report file, in alphabetical order, and build an index. |
||
| 563 | my @Index; |
||
| 564 | my @Stats; |
||
| 565 | |||
| 566 | @filesFound = sort @filesFound; |
||
| 567 | foreach my $file (@filesFound) { ScanFile(\@Index, $Dir, $file, \@Stats); } |
||
| 568 | |||
| 569 | # Scan the failures directory and use the information in the .info files |
||
| 570 | # to update the common prefix directory. |
||
| 571 | my @failures; |
||
| 572 | my @attributes_ignored; |
||
| 573 | if (-d "$Dir/failures") { |
||
| 574 | opendir(DIR, "$Dir/failures"); |
||
| 575 | @failures = grep { /[.]info.txt$/ && !/attribute_ignored/; } readdir(DIR); |
||
| 576 | closedir(DIR); |
||
| 577 | opendir(DIR, "$Dir/failures"); |
||
| 578 | @attributes_ignored = grep { /^attribute_ignored/; } readdir(DIR); |
||
| 579 | closedir(DIR); |
||
| 580 | foreach my $file (@failures) { |
||
| 581 | open IN, "$Dir/failures/$file" or DieDiag("cannot open $file\n"); |
||
| 582 | my $Path = <IN>; |
||
| 583 | if (defined $Path) { UpdatePrefix($Path); } |
||
| 584 | close IN; |
||
| 585 | } |
||
| 586 | } |
||
| 587 | |||
| 588 | # Generate an index.html file. |
||
| 589 | my $FName = "$Dir/index.html"; |
||
| 590 | open(OUT, ">", $FName) or DieDiag("Cannot create file '$FName'\n"); |
||
| 591 | |||
| 592 | # Print out the header. |
||
| 593 | |||
| 594 | print OUT <<ENDTEXT; |
||
| 595 | <html> |
||
| 596 | <head> |
||
| 597 | <title>${Options{HtmlTitle}}</title> |
||
| 598 | <link type="text/css" rel="stylesheet" href="scanview.css"/> |
||
| 599 | <script src="sorttable.js"></script> |
||
| 600 | <script language='javascript' type="text/javascript"> |
||
| 601 | function SetDisplay(RowClass, DisplayVal) |
||
| 602 | { |
||
| 603 | var Rows = document.getElementsByTagName("tr"); |
||
| 604 | for ( var i = 0 ; i < Rows.length; ++i ) { |
||
| 605 | if (Rows[i].className == RowClass) { |
||
| 606 | Rows[i].style.display = DisplayVal; |
||
| 607 | } |
||
| 608 | } |
||
| 609 | } |
||
| 610 | |||
| 611 | function CopyCheckedStateToCheckButtons(SummaryCheckButton) { |
||
| 612 | var Inputs = document.getElementsByTagName("input"); |
||
| 613 | for ( var i = 0 ; i < Inputs.length; ++i ) { |
||
| 614 | if (Inputs[i].type == "checkbox") { |
||
| 615 | if(Inputs[i] != SummaryCheckButton) { |
||
| 616 | Inputs[i].checked = SummaryCheckButton.checked; |
||
| 617 | Inputs[i].onclick(); |
||
| 618 | } |
||
| 619 | } |
||
| 620 | } |
||
| 621 | } |
||
| 622 | |||
| 623 | function returnObjById( id ) { |
||
| 624 | if (document.getElementById) |
||
| 625 | var returnVar = document.getElementById(id); |
||
| 626 | else if (document.all) |
||
| 627 | var returnVar = document.all[id]; |
||
| 628 | else if (document.layers) |
||
| 629 | var returnVar = document.layers[id]; |
||
| 630 | return returnVar; |
||
| 631 | } |
||
| 632 | |||
| 633 | var NumUnchecked = 0; |
||
| 634 | |||
| 635 | function ToggleDisplay(CheckButton, ClassName) { |
||
| 636 | if (CheckButton.checked) { |
||
| 637 | SetDisplay(ClassName, ""); |
||
| 638 | if (--NumUnchecked == 0) { |
||
| 639 | returnObjById("AllBugsCheck").checked = true; |
||
| 640 | } |
||
| 641 | } |
||
| 642 | else { |
||
| 643 | SetDisplay(ClassName, "none"); |
||
| 644 | NumUnchecked++; |
||
| 645 | returnObjById("AllBugsCheck").checked = false; |
||
| 646 | } |
||
| 647 | } |
||
| 648 | </script> |
||
| 649 | <!-- SUMMARYENDHEAD --> |
||
| 650 | </head> |
||
| 651 | <body> |
||
| 652 | <h1>${Options{HtmlTitle}}</h1> |
||
| 653 | |||
| 654 | <table> |
||
| 655 | <tr><th>User:</th><td>${UserName}\@${HostName}</td></tr> |
||
| 656 | <tr><th>Working Directory:</th><td>${CurrentDir}</td></tr> |
||
| 657 | <tr><th>Command Line:</th><td>${CmdArgs}</td></tr> |
||
| 658 | <tr><th>Clang Version:</th><td>${ClangVersion}</td></tr> |
||
| 659 | <tr><th>Date:</th><td>${Date}</td></tr> |
||
| 660 | ENDTEXT |
||
| 661 | |||
| 662 | print OUT "<tr><th>Version:</th><td>${BuildName} (${BuildDate})</td></tr>\n" |
||
| 663 | if (defined($BuildName) && defined($BuildDate)); |
||
| 664 | |||
| 665 | print OUT <<ENDTEXT; |
||
| 666 | </table> |
||
| 667 | ENDTEXT |
||
| 668 | |||
| 669 | if (scalar(@filesFound)) { |
||
| 670 | # Print out the summary table. |
||
| 671 | my %Totals; |
||
| 672 | |||
| 673 | for my $row ( @Index ) { |
||
| 674 | my $bug_type = ($row->[2]); |
||
| 675 | my $bug_category = ($row->[1]); |
||
| 676 | my $key = "$bug_category:$bug_type"; |
||
| 677 | |||
| 678 | if (!defined $Totals{$key}) { $Totals{$key} = [1,$bug_category,$bug_type]; } |
||
| 679 | else { $Totals{$key}->[0]++; } |
||
| 680 | } |
||
| 681 | |||
| 682 | print OUT "<h2>Bug Summary</h2>"; |
||
| 683 | |||
| 684 | if (defined $BuildName) { |
||
| 685 | print OUT "\n<p>Results in this analysis run are based on analyzer build <b>$BuildName</b>.</p>\n" |
||
| 686 | } |
||
| 687 | |||
| 688 | my $TotalBugs = scalar(@Index); |
||
| 689 | print OUT <<ENDTEXT; |
||
| 690 | <table> |
||
| 691 | <thead><tr><td>Bug Type</td><td>Quantity</td><td class="sorttable_nosort">Display?</td></tr></thead> |
||
| 692 | <tr style="font-weight:bold"><td class="SUMM_DESC">All Bugs</td><td class="Q">$TotalBugs</td><td><center><input type="checkbox" id="AllBugsCheck" onClick="CopyCheckedStateToCheckButtons(this);" checked/></center></td></tr> |
||
| 693 | ENDTEXT |
||
| 694 | |||
| 695 | my $last_category; |
||
| 696 | |||
| 697 | for my $key ( |
||
| 698 | sort { |
||
| 699 | my $x = $Totals{$a}; |
||
| 700 | my $y = $Totals{$b}; |
||
| 701 | my $res = $x->[1] cmp $y->[1]; |
||
| 702 | $res = $x->[2] cmp $y->[2] if ($res == 0); |
||
| 703 | $res |
||
| 704 | } keys %Totals ) |
||
| 705 | { |
||
| 706 | my $val = $Totals{$key}; |
||
| 707 | my $category = $val->[1]; |
||
| 708 | if (!defined $last_category or $last_category ne $category) { |
||
| 709 | $last_category = $category; |
||
| 710 | print OUT "<tr><th>$category</th><th colspan=2></th></tr>\n"; |
||
| 711 | } |
||
| 712 | my $x = lc $key; |
||
| 713 | $x =~ s/[ ,'":\/()]+/_/g; |
||
| 714 | print OUT "<tr><td class=\"SUMM_DESC\">"; |
||
| 715 | print OUT $val->[2]; |
||
| 716 | print OUT "</td><td class=\"Q\">"; |
||
| 717 | print OUT $val->[0]; |
||
| 718 | print OUT "</td><td><center><input type=\"checkbox\" onClick=\"ToggleDisplay(this,'bt_$x');\" checked/></center></td></tr>\n"; |
||
| 719 | } |
||
| 720 | |||
| 721 | # Print out the table of errors. |
||
| 722 | |||
| 723 | print OUT <<ENDTEXT; |
||
| 724 | </table> |
||
| 725 | <h2>Reports</h2> |
||
| 726 | |||
| 727 | <table class="sortable" style="table-layout:automatic"> |
||
| 728 | <thead><tr> |
||
| 729 | <td>Bug Group</td> |
||
| 730 | <td class="sorttable_sorted">Bug Type<span id="sorttable_sortfwdind"> ▾</span></td> |
||
| 731 | <td>File</td> |
||
| 732 | <td>Function/Method</td> |
||
| 733 | <td class="Q">Line</td> |
||
| 734 | <td class="Q">Path Length</td> |
||
| 735 | ENDTEXT |
||
| 736 | |||
| 737 | if ($Options{ShowDescription}) { |
||
| 738 | print OUT <<ENDTEXT; |
||
| 739 | <td class="Q">Description</td> |
||
| 740 | ENDTEXT |
||
| 741 | } |
||
| 742 | |||
| 743 | print OUT <<ENDTEXT; |
||
| 744 | <td class="sorttable_nosort"></td> |
||
| 745 | <!-- REPORTBUGCOL --> |
||
| 746 | </tr></thead> |
||
| 747 | <tbody> |
||
| 748 | ENDTEXT |
||
| 749 | |||
| 750 | my $prefix = GetPrefix(); |
||
| 751 | my $regex; |
||
| 752 | my $InFileRegex; |
||
| 753 | my $InFilePrefix = "File:</td><td>"; |
||
| 754 | |||
| 755 | if (defined $prefix) { |
||
| 756 | $regex = qr/^\Q$prefix\E/is; |
||
| 757 | $InFileRegex = qr/\Q$InFilePrefix$prefix\E/is; |
||
| 758 | } |
||
| 759 | |||
| 760 | for my $row ( sort { $a->[2] cmp $b->[2] } @Index ) { |
||
| 761 | my $x = "$row->[1]:$row->[2]"; |
||
| 762 | $x = lc $x; |
||
| 763 | $x =~ s/[ ,'":\/()]+/_/g; |
||
| 764 | |||
| 765 | my $ReportFile = $row->[0]; |
||
| 766 | |||
| 767 | print OUT "<tr class=\"bt_$x\">"; |
||
| 768 | print OUT "<td class=\"DESC\">"; |
||
| 769 | print OUT $row->[1]; # $BugCategory |
||
| 770 | print OUT "</td>"; |
||
| 771 | print OUT "<td class=\"DESC\">"; |
||
| 772 | print OUT $row->[2]; # $BugType |
||
| 773 | print OUT "</td>"; |
||
| 774 | |||
| 775 | # Update the file prefix. |
||
| 776 | my $fname = $row->[3]; |
||
| 777 | |||
| 778 | if (defined $regex) { |
||
| 779 | $fname =~ s/$regex//; |
||
| 780 | UpdateInFilePath("$Dir/$ReportFile", $InFileRegex, $InFilePrefix) |
||
| 781 | } |
||
| 782 | |||
| 783 | print OUT "<td>"; |
||
| 784 | my @fname = split /\//,$fname; |
||
| 785 | if ($#fname > 0) { |
||
| 786 | while ($#fname >= 0) { |
||
| 787 | my $x = shift @fname; |
||
| 788 | print OUT $x; |
||
| 789 | if ($#fname >= 0) { |
||
| 790 | print OUT "/"; |
||
| 791 | } |
||
| 792 | } |
||
| 793 | } |
||
| 794 | else { |
||
| 795 | print OUT $fname; |
||
| 796 | } |
||
| 797 | print OUT "</td>"; |
||
| 798 | |||
| 799 | print OUT "<td class=\"DESC\">"; |
||
| 800 | print OUT $row->[4]; # Function |
||
| 801 | print OUT "</td>"; |
||
| 802 | |||
| 803 | # Print out the quantities. |
||
| 804 | for my $j ( 5 .. 6 ) { # Line & Path length |
||
| 805 | print OUT "<td class=\"Q\">$row->[$j]</td>"; |
||
| 806 | } |
||
| 807 | |||
| 808 | # Print the rest of the columns. |
||
| 809 | for (my $j = 7; $j <= $#{$row}; ++$j) { |
||
| 810 | print OUT "<td>$row->[$j]</td>" |
||
| 811 | } |
||
| 812 | |||
| 813 | # Emit the "View" link. |
||
| 814 | print OUT "<td><a href=\"$ReportFile#EndPath\">View Report</a></td>"; |
||
| 815 | |||
| 816 | # Emit REPORTBUG markers. |
||
| 817 | print OUT "\n<!-- REPORTBUG id=\"$ReportFile\" -->\n"; |
||
| 818 | |||
| 819 | # End the row. |
||
| 820 | print OUT "</tr>\n"; |
||
| 821 | } |
||
| 822 | |||
| 823 | print OUT "</tbody>\n</table>\n\n"; |
||
| 824 | } |
||
| 825 | |||
| 826 | if (scalar (@failures) || scalar(@attributes_ignored)) { |
||
| 827 | print OUT "<h2>Analyzer Failures</h2>\n"; |
||
| 828 | |||
| 829 | if (scalar @attributes_ignored) { |
||
| 830 | print OUT "The analyzer's parser ignored the following attributes:<p>\n"; |
||
| 831 | print OUT "<table>\n"; |
||
| 832 | print OUT "<thead><tr><td>Attribute</td><td>Source File</td><td>Preprocessed File</td><td>STDERR Output</td></tr></thead>\n"; |
||
| 833 | foreach my $file (sort @attributes_ignored) { |
||
| 834 | die "cannot demangle attribute name\n" if (! ($file =~ /^attribute_ignored_(.+).txt/)); |
||
| 835 | my $attribute = $1; |
||
| 836 | # Open the attribute file to get the first file that failed. |
||
| 837 | next if (!open (ATTR, "$Dir/failures/$file")); |
||
| 838 | my $ppfile = <ATTR>; |
||
| 839 | chomp $ppfile; |
||
| 840 | close ATTR; |
||
| 841 | next if (! -e "$Dir/failures/$ppfile"); |
||
| 842 | # Open the info file and get the name of the source file. |
||
| 843 | open (INFO, "$Dir/failures/$ppfile.info.txt") or |
||
| 844 | die "Cannot open $Dir/failures/$ppfile.info.txt\n"; |
||
| 845 | my $srcfile = <INFO>; |
||
| 846 | chomp $srcfile; |
||
| 847 | close (INFO); |
||
| 848 | # Print the information in the table. |
||
| 849 | my $prefix = GetPrefix(); |
||
| 850 | if (defined $prefix) { $srcfile =~ s/^\Q$prefix//; } |
||
| 851 | print OUT "<tr><td>$attribute</td><td>$srcfile</td><td><a href=\"failures/$ppfile\">$ppfile</a></td><td><a href=\"failures/$ppfile.stderr.txt\">$ppfile.stderr.txt</a></td></tr>\n"; |
||
| 852 | my $ppfile_clang = $ppfile; |
||
| 853 | $ppfile_clang =~ s/[.](.+)$/.clang.$1/; |
||
| 854 | print OUT " <!-- REPORTPROBLEM src=\"$srcfile\" file=\"failures/$ppfile\" clangfile=\"failures/$ppfile_clang\" stderr=\"failures/$ppfile.stderr.txt\" info=\"failures/$ppfile.info.txt\" -->\n"; |
||
| 855 | } |
||
| 856 | print OUT "</table>\n"; |
||
| 857 | } |
||
| 858 | |||
| 859 | if (scalar @failures) { |
||
| 860 | print OUT "<p>The analyzer had problems processing the following files:</p>\n"; |
||
| 861 | print OUT "<table>\n"; |
||
| 862 | print OUT "<thead><tr><td>Problem</td><td>Source File</td><td>Preprocessed File</td><td>STDERR Output</td></tr></thead>\n"; |
||
| 863 | foreach my $file (sort @failures) { |
||
| 864 | $file =~ /(.+).info.txt$/; |
||
| 865 | # Get the preprocessed file. |
||
| 866 | my $ppfile = $1; |
||
| 867 | # Open the info file and get the name of the source file. |
||
| 868 | open (INFO, "$Dir/failures/$file") or |
||
| 869 | die "Cannot open $Dir/failures/$file\n"; |
||
| 870 | my $srcfile = <INFO>; |
||
| 871 | chomp $srcfile; |
||
| 872 | my $problem = <INFO>; |
||
| 873 | chomp $problem; |
||
| 874 | close (INFO); |
||
| 875 | # Print the information in the table. |
||
| 876 | my $prefix = GetPrefix(); |
||
| 877 | if (defined $prefix) { $srcfile =~ s/^\Q$prefix//; } |
||
| 878 | print OUT "<tr><td>$problem</td><td>$srcfile</td><td><a href=\"failures/$ppfile\">$ppfile</a></td><td><a href=\"failures/$ppfile.stderr.txt\">$ppfile.stderr.txt</a></td></tr>\n"; |
||
| 879 | my $ppfile_clang = $ppfile; |
||
| 880 | $ppfile_clang =~ s/[.](.+)$/.clang.$1/; |
||
| 881 | print OUT " <!-- REPORTPROBLEM src=\"$srcfile\" file=\"failures/$ppfile\" clangfile=\"failures/$ppfile_clang\" stderr=\"failures/$ppfile.stderr.txt\" info=\"failures/$ppfile.info.txt\" -->\n"; |
||
| 882 | } |
||
| 883 | print OUT "</table>\n"; |
||
| 884 | } |
||
| 885 | print OUT "<p>Please consider submitting preprocessed files as <a href=\"http://clang-analyzer.llvm.org/filing_bugs.html\">bug reports</a>. <!-- REPORTCRASHES --> </p>\n"; |
||
| 886 | } |
||
| 887 | |||
| 888 | print OUT "</body></html>\n"; |
||
| 889 | close(OUT); |
||
| 890 | CopyFiles($Dir); |
||
| 891 | |||
| 892 | # Make sure $Dir and $BaseDir are world readable/executable. |
||
| 893 | chmod(0755, $Dir); |
||
| 894 | if (defined $BaseDir) { chmod(0755, $BaseDir); } |
||
| 895 | |||
| 896 | # Print statistics |
||
| 897 | print CalcStats(\@Stats) if $AnalyzerStats; |
||
| 898 | |||
| 899 | my $Num = scalar(@Index); |
||
| 900 | if ($Num == 1) { |
||
| 901 | Diag("$Num bug found.\n"); |
||
| 902 | } else { |
||
| 903 | Diag("$Num bugs found.\n"); |
||
| 904 | } |
||
| 905 | if ($Num > 0 && -r "$Dir/index.html") { |
||
| 906 | Diag("Run 'scan-view $Dir' to examine bug reports.\n"); |
||
| 907 | } |
||
| 908 | |||
| 909 | DiagCrashes($Dir) if (scalar @failures || scalar @attributes_ignored); |
||
| 910 | |||
| 911 | return $Num; |
||
| 912 | } |
||
| 913 | |||
| 914 | sub Finalize { |
||
| 915 | my $BaseDir = shift; |
||
| 916 | my $ExitStatus = shift; |
||
| 917 | |||
| 918 | Diag "Analysis run complete.\n"; |
||
| 919 | if (defined $Options{OutputFormat}) { |
||
| 920 | if ($Options{OutputFormat} =~ /plist/ || |
||
| 921 | $Options{OutputFormat} =~ /sarif/) { |
||
| 922 | Diag "Analysis results (" . |
||
| 923 | ($Options{OutputFormat} =~ /plist/ ? "plist" : "sarif") . |
||
| 924 | " files) deposited in '$Options{OutputDir}'\n"; |
||
| 925 | } |
||
| 926 | if ($Options{OutputFormat} =~ /html/) { |
||
| 927 | # Postprocess the HTML directory. |
||
| 928 | my $NumBugs = Postprocess($Options{OutputDir}, $BaseDir, |
||
| 929 | $Options{AnalyzerStats}, $Options{KeepEmpty}); |
||
| 930 | |||
| 931 | if ($Options{ViewResults} and -r "$Options{OutputDir}/index.html") { |
||
| 932 | Diag "Viewing analysis results in '$Options{OutputDir}' using scan-view.\n"; |
||
| 933 | my $ScanView = Cwd::realpath("$RealBin/scan-view"); |
||
| 934 | if (! -x $ScanView) { $ScanView = "scan-view"; } |
||
| 935 | if (! -x $ScanView) { $ScanView = Cwd::realpath("$RealBin/../../scan-view/bin/scan-view"); } |
||
| 936 | if (! -x $ScanView) { $ScanView = `which scan-view`; chomp $ScanView; } |
||
| 937 | exec $ScanView, "$Options{OutputDir}"; |
||
| 938 | } |
||
| 939 | |||
| 940 | if ($Options{ExitStatusFoundBugs}) { |
||
| 941 | exit 1 if ($NumBugs > 0); |
||
| 942 | exit $ExitStatus; |
||
| 943 | } |
||
| 944 | } |
||
| 945 | } |
||
| 946 | |||
| 947 | exit $ExitStatus; |
||
| 948 | } |
||
| 949 | |||
| 950 | ##----------------------------------------------------------------------------## |
||
| 951 | # RunBuildCommand - Run the build command. |
||
| 952 | ##----------------------------------------------------------------------------## |
||
| 953 | |||
| 954 | sub AddIfNotPresent { |
||
| 955 | my $Args = shift; |
||
| 956 | my $Arg = shift; |
||
| 957 | my $found = 0; |
||
| 958 | |||
| 959 | foreach my $k (@$Args) { |
||
| 960 | if ($k eq $Arg) { |
||
| 961 | $found = 1; |
||
| 962 | last; |
||
| 963 | } |
||
| 964 | } |
||
| 965 | |||
| 966 | if ($found == 0) { |
||
| 967 | push @$Args, $Arg; |
||
| 968 | } |
||
| 969 | } |
||
| 970 | |||
| 971 | sub SetEnv { |
||
| 972 | my $EnvVars = shift @_; |
||
| 973 | foreach my $var ('CC', 'CXX', 'CLANG', 'CLANG_CXX', |
||
| 974 | 'CCC_ANALYZER_ANALYSIS', 'CCC_ANALYZER_PLUGINS', |
||
| 975 | 'CCC_ANALYZER_CONFIG') { |
||
| 976 | die "$var is undefined\n" if (!defined $var); |
||
| 977 | $ENV{$var} = $EnvVars->{$var}; |
||
| 978 | } |
||
| 979 | foreach my $var ('CCC_ANALYZER_CONSTRAINTS_MODEL', |
||
| 980 | 'CCC_ANALYZER_INTERNAL_STATS', |
||
| 981 | 'CCC_ANALYZER_OUTPUT_FORMAT', |
||
| 982 | 'CCC_CC', |
||
| 983 | 'CCC_CXX', |
||
| 984 | 'CCC_REPORT_FAILURES', |
||
| 985 | 'CLANG_ANALYZER_TARGET', |
||
| 986 | 'CCC_ANALYZER_FORCE_ANALYZE_DEBUG_CODE') { |
||
| 987 | my $x = $EnvVars->{$var}; |
||
| 988 | if (defined $x) { $ENV{$var} = $x } |
||
| 989 | } |
||
| 990 | my $Verbose = $EnvVars->{'VERBOSE'}; |
||
| 991 | if ($Verbose >= 2) { |
||
| 992 | $ENV{'CCC_ANALYZER_VERBOSE'} = 1; |
||
| 993 | } |
||
| 994 | if ($Verbose >= 3) { |
||
| 995 | $ENV{'CCC_ANALYZER_LOG'} = 1; |
||
| 996 | } |
||
| 997 | } |
||
| 998 | |||
| 999 | sub RunXcodebuild { |
||
| 1000 | my $Args = shift; |
||
| 1001 | my $IgnoreErrors = shift; |
||
| 1002 | my $CCAnalyzer = shift; |
||
| 1003 | my $CXXAnalyzer = shift; |
||
| 1004 | my $EnvVars = shift; |
||
| 1005 | |||
| 1006 | if ($IgnoreErrors) { |
||
| 1007 | AddIfNotPresent($Args,"-PBXBuildsContinueAfterErrors=YES"); |
||
| 1008 | } |
||
| 1009 | |||
| 1010 | # Detect the version of Xcode. If Xcode 4.6 or higher, use new |
||
| 1011 | # in situ support for analyzer interposition without needed to override |
||
| 1012 | # the compiler. |
||
| 1013 | open(DETECT_XCODE, "-|", $Args->[0], "-version") or |
||
| 1014 | die "error: cannot detect version of xcodebuild\n"; |
||
| 1015 | |||
| 1016 | my $oldBehavior = 1; |
||
| 1017 | |||
| 1018 | while(<DETECT_XCODE>) { |
||
| 1019 | if (/^Xcode (.+)$/) { |
||
| 1020 | my $ver = $1; |
||
| 1021 | if ($ver =~ /^([0-9]+[.][0-9]+)[^0-9]?/) { |
||
| 1022 | if ($1 >= 4.6) { |
||
| 1023 | $oldBehavior = 0; |
||
| 1024 | last; |
||
| 1025 | } |
||
| 1026 | } |
||
| 1027 | } |
||
| 1028 | } |
||
| 1029 | close(DETECT_XCODE); |
||
| 1030 | |||
| 1031 | # If --override-compiler is explicitly requested, resort to the old |
||
| 1032 | # behavior regardless of Xcode version. |
||
| 1033 | if ($Options{OverrideCompiler}) { |
||
| 1034 | $oldBehavior = 1; |
||
| 1035 | } |
||
| 1036 | |||
| 1037 | if ($oldBehavior == 0) { |
||
| 1038 | my $OutputDir = $EnvVars->{"OUTPUT_DIR"}; |
||
| 1039 | my $CLANG = $EnvVars->{"CLANG"}; |
||
| 1040 | my $OtherFlags = $EnvVars->{"CCC_ANALYZER_ANALYSIS"}; |
||
| 1041 | push @$Args, |
||
| 1042 | "RUN_CLANG_STATIC_ANALYZER=YES", |
||
| 1043 | "CLANG_ANALYZER_OUTPUT=plist-html", |
||
| 1044 | "CLANG_ANALYZER_EXEC=$CLANG", |
||
| 1045 | "CLANG_ANALYZER_OUTPUT_DIR=$OutputDir", |
||
| 1046 | "CLANG_ANALYZER_OTHER_FLAGS=$OtherFlags"; |
||
| 1047 | |||
| 1048 | return (system(@$Args) >> 8); |
||
| 1049 | } |
||
| 1050 | |||
| 1051 | # Default to old behavior where we insert a bogus compiler. |
||
| 1052 | SetEnv($EnvVars); |
||
| 1053 | |||
| 1054 | # Check if using iPhone SDK 3.0 (simulator). If so the compiler being |
||
| 1055 | # used should be gcc-4.2. |
||
| 1056 | if (!defined $ENV{"CCC_CC"}) { |
||
| 1057 | for (my $i = 0 ; $i < scalar(@$Args); ++$i) { |
||
| 1058 | if ($Args->[$i] eq "-sdk" && $i + 1 < scalar(@$Args)) { |
||
| 1059 | if (@$Args[$i+1] =~ /^iphonesimulator3/) { |
||
| 1060 | $ENV{"CCC_CC"} = "gcc-4.2"; |
||
| 1061 | $ENV{"CCC_CXX"} = "g++-4.2"; |
||
| 1062 | } |
||
| 1063 | } |
||
| 1064 | } |
||
| 1065 | } |
||
| 1066 | |||
| 1067 | # Disable PCH files until clang supports them. |
||
| 1068 | AddIfNotPresent($Args,"GCC_PRECOMPILE_PREFIX_HEADER=NO"); |
||
| 1069 | |||
| 1070 | # When 'CC' is set, xcodebuild uses it to do all linking, even if we are |
||
| 1071 | # linking C++ object files. Set 'LDPLUSPLUS' so that xcodebuild uses 'g++' |
||
| 1072 | # (via c++-analyzer) when linking such files. |
||
| 1073 | $ENV{"LDPLUSPLUS"} = $CXXAnalyzer; |
||
| 1074 | |||
| 1075 | return (system(@$Args) >> 8); |
||
| 1076 | } |
||
| 1077 | |||
| 1078 | sub RunBuildCommand { |
||
| 1079 | my $Args = shift; |
||
| 1080 | my $IgnoreErrors = shift; |
||
| 1081 | my $KeepCC = shift; |
||
| 1082 | my $Cmd = $Args->[0]; |
||
| 1083 | my $CCAnalyzer = shift; |
||
| 1084 | my $CXXAnalyzer = shift; |
||
| 1085 | my $EnvVars = shift; |
||
| 1086 | |||
| 1087 | if ($Cmd =~ /\bxcodebuild$/) { |
||
| 1088 | return RunXcodebuild($Args, $IgnoreErrors, $CCAnalyzer, $CXXAnalyzer, $EnvVars); |
||
| 1089 | } |
||
| 1090 | |||
| 1091 | # Setup the environment. |
||
| 1092 | SetEnv($EnvVars); |
||
| 1093 | |||
| 1094 | if ($Cmd =~ /(.*\/?gcc[^\/]*$)/ or |
||
| 1095 | $Cmd =~ /(.*\/?cc[^\/]*$)/ or |
||
| 1096 | $Cmd =~ /(.*\/?llvm-gcc[^\/]*$)/ or |
||
| 1097 | $Cmd =~ /(.*\/?clang[^\/]*$)/ or |
||
| 1098 | $Cmd =~ /(.*\/?ccc-analyzer[^\/]*$)/) { |
||
| 1099 | |||
| 1100 | if (!($Cmd =~ /ccc-analyzer/) and !defined $ENV{"CCC_CC"}) { |
||
| 1101 | $ENV{"CCC_CC"} = $1; |
||
| 1102 | } |
||
| 1103 | |||
| 1104 | shift @$Args; |
||
| 1105 | unshift @$Args, $CCAnalyzer; |
||
| 1106 | } |
||
| 1107 | elsif ($Cmd =~ /(.*\/?g\+\+[^\/]*$)/ or |
||
| 1108 | $Cmd =~ /(.*\/?c\+\+[^\/]*$)/ or |
||
| 1109 | $Cmd =~ /(.*\/?llvm-g\+\+[^\/]*$)/ or |
||
| 1110 | $Cmd =~ /(.*\/?clang\+\+$)/ or |
||
| 1111 | $Cmd =~ /(.*\/?c\+\+-analyzer[^\/]*$)/) { |
||
| 1112 | if (!($Cmd =~ /c\+\+-analyzer/) and !defined $ENV{"CCC_CXX"}) { |
||
| 1113 | $ENV{"CCC_CXX"} = $1; |
||
| 1114 | } |
||
| 1115 | shift @$Args; |
||
| 1116 | unshift @$Args, $CXXAnalyzer; |
||
| 1117 | } |
||
| 1118 | elsif ($Cmd eq "make" or $Cmd eq "gmake" or $Cmd eq "mingw32-make") { |
||
| 1119 | if (!$KeepCC) { |
||
| 1120 | AddIfNotPresent($Args, "CC=$CCAnalyzer"); |
||
| 1121 | AddIfNotPresent($Args, "CXX=$CXXAnalyzer"); |
||
| 1122 | } |
||
| 1123 | if ($IgnoreErrors) { |
||
| 1124 | AddIfNotPresent($Args,"-k"); |
||
| 1125 | AddIfNotPresent($Args,"-i"); |
||
| 1126 | } |
||
| 1127 | } |
||
| 1128 | |||
| 1129 | return (system(@$Args) >> 8); |
||
| 1130 | } |
||
| 1131 | |||
| 1132 | ##----------------------------------------------------------------------------## |
||
| 1133 | # DisplayHelp - Utility function to display all help options. |
||
| 1134 | ##----------------------------------------------------------------------------## |
||
| 1135 | |||
| 1136 | sub DisplayHelp { |
||
| 1137 | |||
| 1138 | my $ArgClangNotFoundErrMsg = shift; |
||
| 1139 | print <<ENDTEXT; |
||
| 1140 | USAGE: $Prog [options] <build command> [build options] |
||
| 1141 | |||
| 1142 | ENDTEXT |
||
| 1143 | |||
| 1144 | if (defined $BuildName) { |
||
| 1145 | print "ANALYZER BUILD: $BuildName ($BuildDate)\n\n"; |
||
| 1146 | } |
||
| 1147 | |||
| 1148 | print <<ENDTEXT; |
||
| 1149 | OPTIONS: |
||
| 1150 | |||
| 1151 | -analyze-headers |
||
| 1152 | |||
| 1153 | Also analyze functions in #included files. By default, such functions |
||
| 1154 | are skipped unless they are called by functions within the main source file. |
||
| 1155 | |||
| 1156 | --force-analyze-debug-code |
||
| 1157 | |||
| 1158 | Tells analyzer to enable assertions in code even if they were disabled |
||
| 1159 | during compilation to enable more precise results. |
||
| 1160 | |||
| 1161 | -o <output location> |
||
| 1162 | |||
| 1163 | Specifies the output directory for analyzer reports. Subdirectories will be |
||
| 1164 | created as needed to represent separate "runs" of the analyzer. If this |
||
| 1165 | option is not specified, a directory is created in /tmp (TMPDIR on Mac OS X) |
||
| 1166 | to store the reports. |
||
| 1167 | |||
| 1168 | -h |
||
| 1169 | --help |
||
| 1170 | |||
| 1171 | Display this message. |
||
| 1172 | |||
| 1173 | -k |
||
| 1174 | --keep-going |
||
| 1175 | |||
| 1176 | Add a "keep on going" option to the specified build command. This option |
||
| 1177 | currently supports make and xcodebuild. This is a convenience option; one |
||
| 1178 | can specify this behavior directly using build options. |
||
| 1179 | |||
| 1180 | --keep-cc |
||
| 1181 | |||
| 1182 | Do not override CC and CXX make variables. Useful when running make in |
||
| 1183 | autoconf-based (and similar) projects where configure can add extra flags |
||
| 1184 | to those variables. |
||
| 1185 | |||
| 1186 | --html-title [title] |
||
| 1187 | --html-title=[title] |
||
| 1188 | |||
| 1189 | Specify the title used on generated HTML pages. If not specified, a default |
||
| 1190 | title will be used. |
||
| 1191 | |||
| 1192 | --show-description |
||
| 1193 | |||
| 1194 | Display the description of defects in the list |
||
| 1195 | |||
| 1196 | -sarif |
||
| 1197 | |||
| 1198 | By default the output of scan-build is a set of HTML files. This option |
||
| 1199 | outputs the results in SARIF format. |
||
| 1200 | |||
| 1201 | -plist |
||
| 1202 | |||
| 1203 | By default the output of scan-build is a set of HTML files. This option |
||
| 1204 | outputs the results as a set of .plist files. |
||
| 1205 | |||
| 1206 | -plist-html |
||
| 1207 | |||
| 1208 | By default the output of scan-build is a set of HTML files. This option |
||
| 1209 | outputs the results as a set of HTML and .plist files. |
||
| 1210 | |||
| 1211 | --status-bugs |
||
| 1212 | |||
| 1213 | By default, the exit status of scan-build is the same as the executed build |
||
| 1214 | command. Specifying this option causes the exit status of scan-build to be 1 |
||
| 1215 | if it found potential bugs and the exit status of the build itself otherwise. |
||
| 1216 | |||
| 1217 | --exclude <path> |
||
| 1218 | |||
| 1219 | Do not run static analyzer against files found in this |
||
| 1220 | directory (You can specify this option multiple times). |
||
| 1221 | Could be useful when project contains 3rd party libraries. |
||
| 1222 | |||
| 1223 | --use-cc [compiler path] |
||
| 1224 | --use-cc=[compiler path] |
||
| 1225 | |||
| 1226 | scan-build analyzes a project by interposing a "fake compiler", which |
||
| 1227 | executes a real compiler for compilation and the static analyzer for analysis. |
||
| 1228 | Because of the current implementation of interposition, scan-build does not |
||
| 1229 | know what compiler your project normally uses. Instead, it simply overrides |
||
| 1230 | the CC environment variable, and guesses your default compiler. |
||
| 1231 | |||
| 1232 | In the future, this interposition mechanism to be improved, but if you need |
||
| 1233 | scan-build to use a specific compiler for *compilation* then you can use |
||
| 1234 | this option to specify a path to that compiler. |
||
| 1235 | |||
| 1236 | If the given compiler is a cross compiler, you may also need to provide |
||
| 1237 | --analyzer-target option to properly analyze the source code because static |
||
| 1238 | analyzer runs as if the code is compiled for the host machine by default. |
||
| 1239 | |||
| 1240 | --use-c++ [compiler path] |
||
| 1241 | --use-c++=[compiler path] |
||
| 1242 | |||
| 1243 | This is the same as "--use-cc" but for C++ code. |
||
| 1244 | |||
| 1245 | --analyzer-target [target triple name for analysis] |
||
| 1246 | --analyzer-target=[target triple name for analysis] |
||
| 1247 | |||
| 1248 | This provides target triple information to clang static analyzer. |
||
| 1249 | It only changes the target for analysis but doesn't change the target of a |
||
| 1250 | real compiler given by --use-cc and --use-c++ options. |
||
| 1251 | |||
| 1252 | -v |
||
| 1253 | |||
| 1254 | Enable verbose output from scan-build. A second and third '-v' increases |
||
| 1255 | verbosity. |
||
| 1256 | |||
| 1257 | -V |
||
| 1258 | --view |
||
| 1259 | |||
| 1260 | View analysis results in a web browser when the build completes. |
||
| 1261 | |||
| 1262 | --generate-index-only <output location> |
||
| 1263 | |||
| 1264 | Do not perform the analysis, but only regenerate the index.html file |
||
| 1265 | from existing report.html files. Useful for making a custom Static Analyzer |
||
| 1266 | integration into a build system that isn't otherwise supported by scan-build. |
||
| 1267 | |||
| 1268 | ADVANCED OPTIONS: |
||
| 1269 | |||
| 1270 | -no-failure-reports |
||
| 1271 | |||
| 1272 | Do not create a 'failures' subdirectory that includes analyzer crash reports |
||
| 1273 | and preprocessed source files. |
||
| 1274 | |||
| 1275 | -stats |
||
| 1276 | |||
| 1277 | Generates visitation statistics for the project being analyzed. |
||
| 1278 | |||
| 1279 | -maxloop <loop count> |
||
| 1280 | |||
| 1281 | Specify the number of times a block can be visited before giving up. |
||
| 1282 | Default is 4. Increase for more comprehensive coverage at a cost of speed. |
||
| 1283 | |||
| 1284 | -internal-stats |
||
| 1285 | |||
| 1286 | Generate internal analyzer statistics. |
||
| 1287 | |||
| 1288 | --use-analyzer [Xcode|path to clang] |
||
| 1289 | --use-analyzer=[Xcode|path to clang] |
||
| 1290 | |||
| 1291 | scan-build uses the 'clang' executable relative to itself for static |
||
| 1292 | analysis. One can override this behavior with this option by using the |
||
| 1293 | 'clang' packaged with Xcode (on OS X) or from the PATH. |
||
| 1294 | |||
| 1295 | --keep-empty |
||
| 1296 | |||
| 1297 | Don't remove the build results directory even if no issues were reported. |
||
| 1298 | |||
| 1299 | --override-compiler |
||
| 1300 | Always resort to the ccc-analyzer even when better interposition methods |
||
| 1301 | are available. |
||
| 1302 | |||
| 1303 | -analyzer-config <options> |
||
| 1304 | |||
| 1305 | Provide options to pass through to the analyzer's -analyzer-config flag. |
||
| 1306 | Several options are separated with comma: 'key1=val1,key2=val2' |
||
| 1307 | |||
| 1308 | Available options: |
||
| 1309 | * stable-report-filename=true or false (default) |
||
| 1310 | Switch the page naming to: |
||
| 1311 | report-<filename>-<function/method name>-<id>.html |
||
| 1312 | instead of report-XXXXXX.html |
||
| 1313 | |||
| 1314 | CONTROLLING CHECKERS: |
||
| 1315 | |||
| 1316 | A default group of checkers are always run unless explicitly disabled. |
||
| 1317 | Checkers may be enabled/disabled using the following options: |
||
| 1318 | |||
| 1319 | -enable-checker [checker name] |
||
| 1320 | -disable-checker [checker name] |
||
| 1321 | |||
| 1322 | LOADING CHECKERS: |
||
| 1323 | |||
| 1324 | Loading external checkers using the clang plugin interface: |
||
| 1325 | |||
| 1326 | -load-plugin [plugin library] |
||
| 1327 | ENDTEXT |
||
| 1328 | |||
| 1329 | if (defined $Clang && -x $Clang) { |
||
| 1330 | # Query clang for list of checkers that are enabled. |
||
| 1331 | |||
| 1332 | # create a list to load the plugins via the 'Xclang' command line |
||
| 1333 | # argument |
||
| 1334 | my @PluginLoadCommandline_xclang; |
||
| 1335 | foreach my $param ( @{$Options{PluginsToLoad}} ) { |
||
| 1336 | push ( @PluginLoadCommandline_xclang, "-Xclang" ); |
||
| 1337 | push ( @PluginLoadCommandline_xclang, "-load" ); |
||
| 1338 | push ( @PluginLoadCommandline_xclang, "-Xclang" ); |
||
| 1339 | push ( @PluginLoadCommandline_xclang, $param ); |
||
| 1340 | } |
||
| 1341 | |||
| 1342 | my %EnabledCheckers; |
||
| 1343 | foreach my $lang ("c", "objective-c", "objective-c++", "c++") { |
||
| 1344 | my $ExecLine = join(' ', qq/"$Clang"/, @PluginLoadCommandline_xclang, "--analyze", "-x", $lang, "-", "-###", "2>&1", "|"); |
||
| 1345 | open(PS, $ExecLine); |
||
| 1346 | while (<PS>) { |
||
| 1347 | foreach my $val (split /\s+/) { |
||
| 1348 | $val =~ s/\"//g; |
||
| 1349 | if ($val =~ /-analyzer-checker\=([^\s]+)/) { |
||
| 1350 | $EnabledCheckers{$1} = 1; |
||
| 1351 | } |
||
| 1352 | } |
||
| 1353 | } |
||
| 1354 | } |
||
| 1355 | |||
| 1356 | # Query clang for complete list of checkers. |
||
| 1357 | my @PluginLoadCommandline; |
||
| 1358 | foreach my $param ( @{$Options{PluginsToLoad}} ) { |
||
| 1359 | push ( @PluginLoadCommandline, "-load" ); |
||
| 1360 | push ( @PluginLoadCommandline, $param ); |
||
| 1361 | } |
||
| 1362 | |||
| 1363 | my $ExecLine = join(' ', qq/"$Clang"/, "-cc1", @PluginLoadCommandline, "-analyzer-checker-help", "2>&1", "|"); |
||
| 1364 | open(PS, $ExecLine); |
||
| 1365 | my $foundCheckers = 0; |
||
| 1366 | while (<PS>) { |
||
| 1367 | if (/CHECKERS:/) { |
||
| 1368 | $foundCheckers = 1; |
||
| 1369 | last; |
||
| 1370 | } |
||
| 1371 | } |
||
| 1372 | if (!$foundCheckers) { |
||
| 1373 | print " *** Could not query Clang for the list of available checkers."; |
||
| 1374 | } |
||
| 1375 | else { |
||
| 1376 | print("\nAVAILABLE CHECKERS:\n\n"); |
||
| 1377 | my $skip = 0; |
||
| 1378 | while(<PS>) { |
||
| 1379 | if (/experimental/) { |
||
| 1380 | $skip = 1; |
||
| 1381 | next; |
||
| 1382 | } |
||
| 1383 | if ($skip) { |
||
| 1384 | next if (!/^\s\s[^\s]/); |
||
| 1385 | $skip = 0; |
||
| 1386 | } |
||
| 1387 | s/^\s\s//; |
||
| 1388 | if (/^([^\s]+)/) { |
||
| 1389 | # Is the checker enabled? |
||
| 1390 | my $checker = $1; |
||
| 1391 | my $enabled = 0; |
||
| 1392 | my $aggregate = ""; |
||
| 1393 | foreach my $domain (split /\./, $checker) { |
||
| 1394 | $aggregate .= $domain; |
||
| 1395 | if ($EnabledCheckers{$aggregate}) { |
||
| 1396 | $enabled =1; |
||
| 1397 | last; |
||
| 1398 | } |
||
| 1399 | # append a dot, if an additional domain is added in the next iteration |
||
| 1400 | $aggregate .= "."; |
||
| 1401 | } |
||
| 1402 | |||
| 1403 | if ($enabled) { |
||
| 1404 | print " + "; |
||
| 1405 | } |
||
| 1406 | else { |
||
| 1407 | print " "; |
||
| 1408 | } |
||
| 1409 | } |
||
| 1410 | else { |
||
| 1411 | print " "; |
||
| 1412 | } |
||
| 1413 | print $_; |
||
| 1414 | } |
||
| 1415 | print "\nNOTE: \"+\" indicates that an analysis is enabled by default.\n"; |
||
| 1416 | } |
||
| 1417 | close PS; |
||
| 1418 | } |
||
| 1419 | else { |
||
| 1420 | print " *** Could not query Clang for the list of available checkers.\n"; |
||
| 1421 | if (defined $ArgClangNotFoundErrMsg) { |
||
| 1422 | print " *** Reason: $ArgClangNotFoundErrMsg\n"; |
||
| 1423 | } |
||
| 1424 | } |
||
| 1425 | |||
| 1426 | print <<ENDTEXT |
||
| 1427 | |||
| 1428 | BUILD OPTIONS |
||
| 1429 | |||
| 1430 | You can specify any build option acceptable to the build command. |
||
| 1431 | |||
| 1432 | EXAMPLE |
||
| 1433 | |||
| 1434 | scan-build -o /tmp/myhtmldir make -j4 |
||
| 1435 | |||
| 1436 | The above example causes analysis reports to be deposited into a subdirectory |
||
| 1437 | of "/tmp/myhtmldir" and to run "make" with the "-j4" option. A different |
||
| 1438 | subdirectory is created each time scan-build analyzes a project. The analyzer |
||
| 1439 | should support most parallel builds, but not distributed builds. |
||
| 1440 | |||
| 1441 | ENDTEXT |
||
| 1442 | } |
||
| 1443 | |||
| 1444 | ##----------------------------------------------------------------------------## |
||
| 1445 | # HtmlEscape - HTML entity encode characters that are special in HTML |
||
| 1446 | ##----------------------------------------------------------------------------## |
||
| 1447 | |||
| 1448 | sub HtmlEscape { |
||
| 1449 | # copy argument to new variable so we don't clobber the original |
||
| 1450 | my $arg = shift || ''; |
||
| 1451 | my $tmp = $arg; |
||
| 1452 | $tmp =~ s/&/&/g; |
||
| 1453 | $tmp =~ s/</</g; |
||
| 1454 | $tmp =~ s/>/>/g; |
||
| 1455 | return $tmp; |
||
| 1456 | } |
||
| 1457 | |||
| 1458 | ##----------------------------------------------------------------------------## |
||
| 1459 | # ShellEscape - backslash escape characters that are special to the shell |
||
| 1460 | ##----------------------------------------------------------------------------## |
||
| 1461 | |||
| 1462 | sub ShellEscape { |
||
| 1463 | # copy argument to new variable so we don't clobber the original |
||
| 1464 | my $arg = shift || ''; |
||
| 1465 | if ($arg =~ /["\s]/) { return "'" . $arg . "'"; } |
||
| 1466 | return $arg; |
||
| 1467 | } |
||
| 1468 | |||
| 1469 | ##----------------------------------------------------------------------------## |
||
| 1470 | # FindXcrun - searches for the 'xcrun' executable. Returns "" if not found. |
||
| 1471 | ##----------------------------------------------------------------------------## |
||
| 1472 | |||
| 1473 | sub FindXcrun { |
||
| 1474 | my $xcrun = `which xcrun`; |
||
| 1475 | chomp $xcrun; |
||
| 1476 | return $xcrun; |
||
| 1477 | } |
||
| 1478 | |||
| 1479 | ##----------------------------------------------------------------------------## |
||
| 1480 | # FindClang - searches for 'clang' executable. |
||
| 1481 | ##----------------------------------------------------------------------------## |
||
| 1482 | |||
| 1483 | sub FindClang { |
||
| 1484 | if (!defined $Options{AnalyzerDiscoveryMethod}) { |
||
| 1485 | $Clang = Cwd::realpath("$RealBin/bin/clang") if (-f "$RealBin/bin/clang"); |
||
| 1486 | if (!defined $Clang || ! -x $Clang) { |
||
| 1487 | $Clang = Cwd::realpath("$RealBin/clang") if (-f "$RealBin/clang"); |
||
| 1488 | if (!defined $Clang || ! -x $Clang) { |
||
| 1489 | # When an Xcode toolchain is present, look for a clang in the sibling bin |
||
| 1490 | # of the parent of the bin directory. So if scan-build is at |
||
| 1491 | # $TOOLCHAIN/usr/local/bin/scan-build look for clang at |
||
| 1492 | # $TOOLCHAIN/usr/bin/clang. |
||
| 1493 | my $has_xcode_toolchain = FindXcrun() ne ""; |
||
| 1494 | if ($has_xcode_toolchain && -f "$RealBin/../../bin/clang") { |
||
| 1495 | $Clang = Cwd::realpath("$RealBin/../../bin/clang"); |
||
| 1496 | } |
||
| 1497 | } |
||
| 1498 | } |
||
| 1499 | if (!defined $Clang || ! -x $Clang) { |
||
| 1500 | return "error: Cannot find an executable 'clang' relative to" . |
||
| 1501 | " scan-build. Consider using --use-analyzer to pick a version of" . |
||
| 1502 | " 'clang' to use for static analysis.\n"; |
||
| 1503 | } |
||
| 1504 | } |
||
| 1505 | else { |
||
| 1506 | if ($Options{AnalyzerDiscoveryMethod} =~ /^[Xx]code$/) { |
||
| 1507 | my $xcrun = FindXcrun(); |
||
| 1508 | if ($xcrun eq "") { |
||
| 1509 | return "Cannot find 'xcrun' to find 'clang' for analysis.\n"; |
||
| 1510 | } |
||
| 1511 | $Clang = `$xcrun -toolchain XcodeDefault -find clang`; |
||
| 1512 | chomp $Clang; |
||
| 1513 | if ($Clang eq "") { |
||
| 1514 | return "No 'clang' executable found by 'xcrun'\n"; |
||
| 1515 | } |
||
| 1516 | } |
||
| 1517 | else { |
||
| 1518 | $Clang = $Options{AnalyzerDiscoveryMethod}; |
||
| 1519 | if (!defined $Clang or not -x $Clang) { |
||
| 1520 | return "Cannot find an executable clang at '$Options{AnalyzerDiscoveryMethod}'\n"; |
||
| 1521 | } |
||
| 1522 | } |
||
| 1523 | } |
||
| 1524 | return undef; |
||
| 1525 | } |
||
| 1526 | |||
| 1527 | ##----------------------------------------------------------------------------## |
||
| 1528 | # Process command-line arguments. |
||
| 1529 | ##----------------------------------------------------------------------------## |
||
| 1530 | |||
| 1531 | my $RequestDisplayHelp = 0; |
||
| 1532 | my $ForceDisplayHelp = 0; |
||
| 1533 | |||
| 1534 | sub ProcessArgs { |
||
| 1535 | my $Args = shift; |
||
| 1536 | my $NumArgs = 0; |
||
| 1537 | |||
| 1538 | while (@$Args) { |
||
| 1539 | |||
| 1540 | $NumArgs++; |
||
| 1541 | |||
| 1542 | # Scan for options we recognize. |
||
| 1543 | |||
| 1544 | my $arg = $Args->[0]; |
||
| 1545 | |||
| 1546 | if ($arg eq "-h" or $arg eq "--help") { |
||
| 1547 | $RequestDisplayHelp = 1; |
||
| 1548 | shift @$Args; |
||
| 1549 | next; |
||
| 1550 | } |
||
| 1551 | |||
| 1552 | if ($arg eq '-analyze-headers') { |
||
| 1553 | shift @$Args; |
||
| 1554 | $Options{AnalyzeHeaders} = 1; |
||
| 1555 | next; |
||
| 1556 | } |
||
| 1557 | |||
| 1558 | if ($arg eq "-o") { |
||
| 1559 | if (defined($Options{OutputDir})) { |
||
| 1560 | DieDiag("Only one of '-o' or '--generate-index-only' can be specified.\n"); |
||
| 1561 | } |
||
| 1562 | |||
| 1563 | shift @$Args; |
||
| 1564 | |||
| 1565 | if (!@$Args) { |
||
| 1566 | DieDiag("'-o' option requires a target directory name.\n"); |
||
| 1567 | } |
||
| 1568 | |||
| 1569 | # Construct an absolute path. Uses the current working directory |
||
| 1570 | # as a base if the original path was not absolute. |
||
| 1571 | my $OutDir = shift @$Args; |
||
| 1572 | mkpath($OutDir) unless (-e $OutDir); # abs_path wants existing dir |
||
| 1573 | $Options{OutputDir} = abs_path($OutDir); |
||
| 1574 | |||
| 1575 | next; |
||
| 1576 | } |
||
| 1577 | |||
| 1578 | if ($arg eq "--generate-index-only") { |
||
| 1579 | if (defined($Options{OutputDir})) { |
||
| 1580 | DieDiag("Only one of '-o' or '--generate-index-only' can be specified.\n"); |
||
| 1581 | } |
||
| 1582 | |||
| 1583 | shift @$Args; |
||
| 1584 | |||
| 1585 | if (!@$Args) { |
||
| 1586 | DieDiag("'--generate-index-only' option requires a target directory name.\n"); |
||
| 1587 | } |
||
| 1588 | |||
| 1589 | # Construct an absolute path. Uses the current working directory |
||
| 1590 | # as a base if the original path was not absolute. |
||
| 1591 | my $OutDir = shift @$Args; |
||
| 1592 | mkpath($OutDir) unless (-e $OutDir); # abs_path wants existing dir |
||
| 1593 | $Options{OutputDir} = abs_path($OutDir); |
||
| 1594 | $Options{GenerateIndex} = 1; |
||
| 1595 | |||
| 1596 | next; |
||
| 1597 | } |
||
| 1598 | |||
| 1599 | if ($arg =~ /^--html-title(=(.+))?$/) { |
||
| 1600 | shift @$Args; |
||
| 1601 | |||
| 1602 | if (!defined $2 || $2 eq '') { |
||
| 1603 | if (!@$Args) { |
||
| 1604 | DieDiag("'--html-title' option requires a string.\n"); |
||
| 1605 | } |
||
| 1606 | |||
| 1607 | $Options{HtmlTitle} = shift @$Args; |
||
| 1608 | } else { |
||
| 1609 | $Options{HtmlTitle} = $2; |
||
| 1610 | } |
||
| 1611 | |||
| 1612 | next; |
||
| 1613 | } |
||
| 1614 | |||
| 1615 | if ($arg eq "-k" or $arg eq "--keep-going") { |
||
| 1616 | shift @$Args; |
||
| 1617 | $Options{IgnoreErrors} = 1; |
||
| 1618 | next; |
||
| 1619 | } |
||
| 1620 | |||
| 1621 | if ($arg eq "--keep-cc") { |
||
| 1622 | shift @$Args; |
||
| 1623 | $Options{KeepCC} = 1; |
||
| 1624 | next; |
||
| 1625 | } |
||
| 1626 | |||
| 1627 | if ($arg =~ /^--use-cc(=(.+))?$/) { |
||
| 1628 | shift @$Args; |
||
| 1629 | my $cc; |
||
| 1630 | |||
| 1631 | if (!defined $2 || $2 eq "") { |
||
| 1632 | if (!@$Args) { |
||
| 1633 | DieDiag("'--use-cc' option requires a compiler executable name.\n"); |
||
| 1634 | } |
||
| 1635 | $cc = shift @$Args; |
||
| 1636 | } |
||
| 1637 | else { |
||
| 1638 | $cc = $2; |
||
| 1639 | } |
||
| 1640 | |||
| 1641 | $Options{UseCC} = $cc; |
||
| 1642 | next; |
||
| 1643 | } |
||
| 1644 | |||
| 1645 | if ($arg =~ /^--use-c\+\+(=(.+))?$/) { |
||
| 1646 | shift @$Args; |
||
| 1647 | my $cxx; |
||
| 1648 | |||
| 1649 | if (!defined $2 || $2 eq "") { |
||
| 1650 | if (!@$Args) { |
||
| 1651 | DieDiag("'--use-c++' option requires a compiler executable name.\n"); |
||
| 1652 | } |
||
| 1653 | $cxx = shift @$Args; |
||
| 1654 | } |
||
| 1655 | else { |
||
| 1656 | $cxx = $2; |
||
| 1657 | } |
||
| 1658 | |||
| 1659 | $Options{UseCXX} = $cxx; |
||
| 1660 | next; |
||
| 1661 | } |
||
| 1662 | |||
| 1663 | if ($arg =~ /^--analyzer-target(=(.+))?$/) { |
||
| 1664 | shift @ARGV; |
||
| 1665 | my $AnalyzerTarget; |
||
| 1666 | |||
| 1667 | if (!defined $2 || $2 eq "") { |
||
| 1668 | if (!@ARGV) { |
||
| 1669 | DieDiag("'--analyzer-target' option requires a target triple name.\n"); |
||
| 1670 | } |
||
| 1671 | $AnalyzerTarget = shift @ARGV; |
||
| 1672 | } |
||
| 1673 | else { |
||
| 1674 | $AnalyzerTarget = $2; |
||
| 1675 | } |
||
| 1676 | |||
| 1677 | $Options{AnalyzerTarget} = $AnalyzerTarget; |
||
| 1678 | next; |
||
| 1679 | } |
||
| 1680 | |||
| 1681 | if ($arg eq "-v") { |
||
| 1682 | shift @$Args; |
||
| 1683 | $Options{Verbose}++; |
||
| 1684 | next; |
||
| 1685 | } |
||
| 1686 | |||
| 1687 | if ($arg eq "-V" or $arg eq "--view") { |
||
| 1688 | shift @$Args; |
||
| 1689 | $Options{ViewResults} = 1; |
||
| 1690 | next; |
||
| 1691 | } |
||
| 1692 | |||
| 1693 | if ($arg eq "--status-bugs") { |
||
| 1694 | shift @$Args; |
||
| 1695 | $Options{ExitStatusFoundBugs} = 1; |
||
| 1696 | next; |
||
| 1697 | } |
||
| 1698 | |||
| 1699 | if ($arg eq "--show-description") { |
||
| 1700 | shift @$Args; |
||
| 1701 | $Options{ShowDescription} = 1; |
||
| 1702 | next; |
||
| 1703 | } |
||
| 1704 | |||
| 1705 | if ($arg eq "-constraints") { |
||
| 1706 | shift @$Args; |
||
| 1707 | $Options{ConstraintsModel} = shift @$Args; |
||
| 1708 | next; |
||
| 1709 | } |
||
| 1710 | |||
| 1711 | if ($arg eq "-internal-stats") { |
||
| 1712 | shift @$Args; |
||
| 1713 | $Options{InternalStats} = 1; |
||
| 1714 | next; |
||
| 1715 | } |
||
| 1716 | |||
| 1717 | if ($arg eq "-sarif") { |
||
| 1718 | shift @$Args; |
||
| 1719 | $Options{OutputFormat} = "sarif"; |
||
| 1720 | next; |
||
| 1721 | } |
||
| 1722 | |||
| 1723 | if ($arg eq "-plist") { |
||
| 1724 | shift @$Args; |
||
| 1725 | $Options{OutputFormat} = "plist"; |
||
| 1726 | next; |
||
| 1727 | } |
||
| 1728 | |||
| 1729 | if ($arg eq "-plist-html") { |
||
| 1730 | shift @$Args; |
||
| 1731 | $Options{OutputFormat} = "plist-html"; |
||
| 1732 | next; |
||
| 1733 | } |
||
| 1734 | |||
| 1735 | if ($arg eq "-analyzer-config") { |
||
| 1736 | shift @$Args; |
||
| 1737 | push @{$Options{ConfigOptions}}, shift @$Args; |
||
| 1738 | next; |
||
| 1739 | } |
||
| 1740 | |||
| 1741 | if ($arg eq "-no-failure-reports") { |
||
| 1742 | shift @$Args; |
||
| 1743 | $Options{ReportFailures} = 0; |
||
| 1744 | next; |
||
| 1745 | } |
||
| 1746 | |||
| 1747 | if ($arg eq "-stats") { |
||
| 1748 | shift @$Args; |
||
| 1749 | $Options{AnalyzerStats} = 1; |
||
| 1750 | next; |
||
| 1751 | } |
||
| 1752 | |||
| 1753 | if ($arg eq "-maxloop") { |
||
| 1754 | shift @$Args; |
||
| 1755 | $Options{MaxLoop} = shift @$Args; |
||
| 1756 | next; |
||
| 1757 | } |
||
| 1758 | |||
| 1759 | if ($arg eq "-enable-checker") { |
||
| 1760 | shift @$Args; |
||
| 1761 | my $Checker = shift @$Args; |
||
| 1762 | # Store $NumArgs to preserve the order the checkers were enabled. |
||
| 1763 | $Options{EnableCheckers}{$Checker} = $NumArgs; |
||
| 1764 | delete $Options{DisableCheckers}{$Checker}; |
||
| 1765 | next; |
||
| 1766 | } |
||
| 1767 | |||
| 1768 | if ($arg eq "-disable-checker") { |
||
| 1769 | shift @$Args; |
||
| 1770 | my $Checker = shift @$Args; |
||
| 1771 | # Store $NumArgs to preserve the order the checkers are disabled/silenced. |
||
| 1772 | # See whether it is a core checker to disable. That means we do not want |
||
| 1773 | # to emit a report from that checker so we have to silence it. |
||
| 1774 | if (index($Checker, "core") == 0) { |
||
| 1775 | $Options{SilenceCheckers}{$Checker} = $NumArgs; |
||
| 1776 | } else { |
||
| 1777 | $Options{DisableCheckers}{$Checker} = $NumArgs; |
||
| 1778 | delete $Options{EnableCheckers}{$Checker}; |
||
| 1779 | } |
||
| 1780 | next; |
||
| 1781 | } |
||
| 1782 | |||
| 1783 | if ($arg eq "--exclude") { |
||
| 1784 | shift @$Args; |
||
| 1785 | my $arg = shift @$Args; |
||
| 1786 | # Remove the trailing slash if any |
||
| 1787 | $arg =~ s|/$||; |
||
| 1788 | push @{$Options{Excludes}}, $arg; |
||
| 1789 | next; |
||
| 1790 | } |
||
| 1791 | |||
| 1792 | if ($arg eq "-load-plugin") { |
||
| 1793 | shift @$Args; |
||
| 1794 | push @{$Options{PluginsToLoad}}, shift @$Args; |
||
| 1795 | next; |
||
| 1796 | } |
||
| 1797 | |||
| 1798 | if ($arg eq "--use-analyzer") { |
||
| 1799 | shift @$Args; |
||
| 1800 | $Options{AnalyzerDiscoveryMethod} = shift @$Args; |
||
| 1801 | next; |
||
| 1802 | } |
||
| 1803 | |||
| 1804 | if ($arg =~ /^--use-analyzer=(.+)$/) { |
||
| 1805 | shift @$Args; |
||
| 1806 | $Options{AnalyzerDiscoveryMethod} = $1; |
||
| 1807 | next; |
||
| 1808 | } |
||
| 1809 | |||
| 1810 | if ($arg eq "--keep-empty") { |
||
| 1811 | shift @$Args; |
||
| 1812 | $Options{KeepEmpty} = 1; |
||
| 1813 | next; |
||
| 1814 | } |
||
| 1815 | |||
| 1816 | if ($arg eq "--override-compiler") { |
||
| 1817 | shift @$Args; |
||
| 1818 | $Options{OverrideCompiler} = 1; |
||
| 1819 | next; |
||
| 1820 | } |
||
| 1821 | |||
| 1822 | if ($arg eq "--force-analyze-debug-code") { |
||
| 1823 | shift @$Args; |
||
| 1824 | $Options{ForceAnalyzeDebugCode} = 1; |
||
| 1825 | next; |
||
| 1826 | } |
||
| 1827 | |||
| 1828 | DieDiag("unrecognized option '$arg'\n") if ($arg =~ /^-/); |
||
| 1829 | |||
| 1830 | $NumArgs--; |
||
| 1831 | last; |
||
| 1832 | } |
||
| 1833 | return $NumArgs; |
||
| 1834 | } |
||
| 1835 | |||
| 1836 | if (!@ARGV) { |
||
| 1837 | $ForceDisplayHelp = 1 |
||
| 1838 | } |
||
| 1839 | |||
| 1840 | ProcessArgs(\@ARGV); |
||
| 1841 | # All arguments are now shifted from @ARGV. The rest is a build command, if any. |
||
| 1842 | |||
| 1843 | my $ClangNotFoundErrMsg = FindClang(); |
||
| 1844 | |||
| 1845 | if ($ForceDisplayHelp || $RequestDisplayHelp) { |
||
| 1846 | DisplayHelp($ClangNotFoundErrMsg); |
||
| 1847 | exit $ForceDisplayHelp; |
||
| 1848 | } |
||
| 1849 | |||
| 1850 | $CmdArgs = HtmlEscape(join(' ', map(ShellEscape($_), @ARGV))); |
||
| 1851 | |||
| 1852 | if ($Options{GenerateIndex}) { |
||
| 1853 | $ClangVersion = "unknown"; |
||
| 1854 | Finalize($Options{OutputDir}, 0); |
||
| 1855 | } |
||
| 1856 | |||
| 1857 | # Make sure to use "" to handle paths with spaces. |
||
| 1858 | $ClangVersion = HtmlEscape(`"$Clang" --version`); |
||
| 1859 | |||
| 1860 | if (!@ARGV and !$RequestDisplayHelp) { |
||
| 1861 | ErrorDiag("No build command specified.\n\n"); |
||
| 1862 | $ForceDisplayHelp = 1; |
||
| 1863 | } |
||
| 1864 | |||
| 1865 | # Determine the output directory for the HTML reports. |
||
| 1866 | my $BaseDir = $Options{OutputDir}; |
||
| 1867 | $Options{OutputDir} = GetHTMLRunDir($Options{OutputDir}); |
||
| 1868 | |||
| 1869 | DieDiag($ClangNotFoundErrMsg) if (defined $ClangNotFoundErrMsg); |
||
| 1870 | |||
| 1871 | $ClangCXX = $Clang; |
||
| 1872 | if ($Clang !~ /\+\+(\.exe)?$/) { |
||
| 1873 | # If $Clang holds the name of the clang++ executable then we leave |
||
| 1874 | # $ClangCXX and $Clang equal, otherwise construct the name of the clang++ |
||
| 1875 | # executable from the clang executable name. |
||
| 1876 | |||
| 1877 | # Determine operating system under which this copy of Perl was built. |
||
| 1878 | my $IsWinBuild = ($^O =~/msys|cygwin|MSWin32/); |
||
| 1879 | if($IsWinBuild) { |
||
| 1880 | $ClangCXX =~ s/.exe$/++.exe/; |
||
| 1881 | } |
||
| 1882 | else { |
||
| 1883 | $ClangCXX =~ s/\-\d+(\.\d+)?$//; |
||
| 1884 | $ClangCXX .= "++"; |
||
| 1885 | } |
||
| 1886 | } |
||
| 1887 | |||
| 1888 | # Determine the location of ccc-analyzer. |
||
| 1889 | my $AbsRealBin = Cwd::realpath($RealBin); |
||
| 1890 | my $Cmd = "$AbsRealBin/../libexec/ccc-analyzer"; |
||
| 1891 | my $CmdCXX = "$AbsRealBin/../libexec/c++-analyzer"; |
||
| 1892 | |||
| 1893 | # Portability: use less strict but portable check -e (file exists) instead of |
||
| 1894 | # non-portable -x (file is executable). On some windows ports -x just checks |
||
| 1895 | # file extension to determine if a file is executable (see Perl language |
||
| 1896 | # reference, perlport) |
||
| 1897 | if (!defined $Cmd || ! -e $Cmd) { |
||
| 1898 | $Cmd = "$AbsRealBin/ccc-analyzer"; |
||
| 1899 | DieDiag("'ccc-analyzer' does not exist at '$Cmd'\n") if(! -e $Cmd); |
||
| 1900 | } |
||
| 1901 | if (!defined $CmdCXX || ! -e $CmdCXX) { |
||
| 1902 | $CmdCXX = "$AbsRealBin/c++-analyzer"; |
||
| 1903 | DieDiag("'c++-analyzer' does not exist at '$CmdCXX'\n") if(! -e $CmdCXX); |
||
| 1904 | } |
||
| 1905 | |||
| 1906 | Diag("Using '$Clang' for static analysis\n"); |
||
| 1907 | |||
| 1908 | SetHtmlEnv(\@ARGV, $Options{OutputDir}); |
||
| 1909 | |||
| 1910 | my @AnalysesToRun; |
||
| 1911 | foreach (sort { $Options{EnableCheckers}{$a} <=> $Options{EnableCheckers}{$b} } |
||
| 1912 | keys %{$Options{EnableCheckers}}) { |
||
| 1913 | # Push checkers in order they were enabled. |
||
| 1914 | push @AnalysesToRun, "-analyzer-checker", $_; |
||
| 1915 | } |
||
| 1916 | foreach (sort { $Options{DisableCheckers}{$a} <=> $Options{DisableCheckers}{$b} } |
||
| 1917 | keys %{$Options{DisableCheckers}}) { |
||
| 1918 | # Push checkers in order they were disabled. |
||
| 1919 | push @AnalysesToRun, "-analyzer-disable-checker", $_; |
||
| 1920 | } |
||
| 1921 | if ($Options{AnalyzeHeaders}) { push @AnalysesToRun, "-analyzer-opt-analyze-headers"; } |
||
| 1922 | if ($Options{AnalyzerStats}) { push @AnalysesToRun, '-analyzer-checker=debug.Stats'; } |
||
| 1923 | if ($Options{MaxLoop} > 0) { push @AnalysesToRun, "-analyzer-max-loop $Options{MaxLoop}"; } |
||
| 1924 | |||
| 1925 | # Delay setting up other environment variables in case we can do true |
||
| 1926 | # interposition. |
||
| 1927 | my $CCC_ANALYZER_ANALYSIS = join ' ', @AnalysesToRun; |
||
| 1928 | my $CCC_ANALYZER_PLUGINS = join ' ', map { "-load ".$_ } @{$Options{PluginsToLoad}}; |
||
| 1929 | my $CCC_ANALYZER_CONFIG = join ' ', map { "-analyzer-config ".$_ } @{$Options{ConfigOptions}}; |
||
| 1930 | |||
| 1931 | if (%{$Options{SilenceCheckers}}) { |
||
| 1932 | $CCC_ANALYZER_CONFIG = |
||
| 1933 | $CCC_ANALYZER_CONFIG." -analyzer-config silence-checkers=" |
||
| 1934 | .join(';', sort { |
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| 1935 | $Options{SilenceCheckers}{$a} <=> |
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| 1936 | $Options{SilenceCheckers}{$b} |
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| 1937 | } keys %{$Options{SilenceCheckers}}); |
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| 1938 | } |
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| 1939 | |||
| 1940 | my %EnvVars = ( |
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| 1941 | 'CC' => $Cmd, |
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| 1942 | 'CXX' => $CmdCXX, |
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| 1943 | 'CLANG' => $Clang, |
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| 1944 | 'CLANG_CXX' => $ClangCXX, |
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| 1945 | 'VERBOSE' => $Options{Verbose}, |
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| 1946 | 'CCC_ANALYZER_ANALYSIS' => $CCC_ANALYZER_ANALYSIS, |
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| 1947 | 'CCC_ANALYZER_PLUGINS' => $CCC_ANALYZER_PLUGINS, |
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| 1948 | 'CCC_ANALYZER_CONFIG' => $CCC_ANALYZER_CONFIG, |
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| 1949 | 'OUTPUT_DIR' => $Options{OutputDir}, |
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| 1950 | 'CCC_CC' => $Options{UseCC}, |
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| 1951 | 'CCC_CXX' => $Options{UseCXX}, |
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| 1952 | 'CCC_REPORT_FAILURES' => $Options{ReportFailures}, |
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| 1953 | 'CCC_ANALYZER_CONSTRAINTS_MODEL' => $Options{ConstraintsModel}, |
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| 1954 | 'CCC_ANALYZER_INTERNAL_STATS' => $Options{InternalStats}, |
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| 1955 | 'CCC_ANALYZER_OUTPUT_FORMAT' => $Options{OutputFormat}, |
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| 1956 | 'CLANG_ANALYZER_TARGET' => $Options{AnalyzerTarget}, |
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| 1957 | 'CCC_ANALYZER_FORCE_ANALYZE_DEBUG_CODE' => $Options{ForceAnalyzeDebugCode} |
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| 1958 | ); |
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| 1959 | |||
| 1960 | # Run the build. |
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| 1961 | my $ExitStatus = RunBuildCommand(\@ARGV, $Options{IgnoreErrors}, $Options{KeepCC}, |
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| 1962 | $Cmd, $CmdCXX, \%EnvVars); |
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| 1963 | |||
| 1964 | Finalize($BaseDir, $ExitStatus); |