+++ /dev/null
-#!/usr/bin/env perl
-#
-# The LLVM Compiler Infrastructure
-#
-# This file is distributed under the University of Illinois Open Source
-# License. See LICENSE.TXT for details.
-#
-##===----------------------------------------------------------------------===##
-#
-# A script designed to interpose between the build system and gcc. It invokes
-# both gcc and the static analyzer.
-#
-##===----------------------------------------------------------------------===##
-
-use strict;
-use warnings;
-use FindBin;
-use Cwd qw/ getcwd abs_path /;
-use File::Temp qw/ tempfile /;
-use File::Path qw / mkpath /;
-use File::Basename;
-use Text::ParseWords;
-
-##===----------------------------------------------------------------------===##
-# Compiler command setup.
-##===----------------------------------------------------------------------===##
-
-my $Compiler;
-my $Clang;
-my $DefaultCCompiler;
-my $DefaultCXXCompiler;
-
-if (`uname -a` =~ m/Darwin/) {
- $DefaultCCompiler = 'clang';
- $DefaultCXXCompiler = 'clang++';
-} else {
- $DefaultCCompiler = 'gcc';
- $DefaultCXXCompiler = 'g++';
-}
-
-if ($FindBin::Script =~ /c\+\+-analyzer/) {
- $Compiler = $ENV{'CCC_CXX'};
- if (!defined $Compiler) { $Compiler = $DefaultCXXCompiler; }
-
- $Clang = $ENV{'CLANG_CXX'};
- if (!defined $Clang) { $Clang = 'clang++'; }
-}
-else {
- $Compiler = $ENV{'CCC_CC'};
- if (!defined $Compiler) { $Compiler = $DefaultCCompiler; }
-
- $Clang = $ENV{'CLANG'};
- if (!defined $Clang) { $Clang = 'clang'; }
-}
-
-##===----------------------------------------------------------------------===##
-# Cleanup.
-##===----------------------------------------------------------------------===##
-
-my $ReportFailures = $ENV{'CCC_REPORT_FAILURES'};
-if (!defined $ReportFailures) { $ReportFailures = 1; }
-
-my $CleanupFile;
-my $ResultFile;
-
-# Remove any stale files at exit.
-END {
- if (defined $ResultFile && -z $ResultFile) {
- `rm -f $ResultFile`;
- }
- if (defined $CleanupFile) {
- `rm -f $CleanupFile`;
- }
-}
-
-##----------------------------------------------------------------------------##
-# Process Clang Crashes.
-##----------------------------------------------------------------------------##
-
-sub GetPPExt {
- my $Lang = shift;
- if ($Lang =~ /objective-c\+\+/) { return ".mii" };
- if ($Lang =~ /objective-c/) { return ".mi"; }
- if ($Lang =~ /c\+\+/) { return ".ii"; }
- return ".i";
-}
-
-# Set this to 1 if we want to include 'parser rejects' files.
-my $IncludeParserRejects = 0;
-my $ParserRejects = "Parser Rejects";
-my $AttributeIgnored = "Attribute Ignored";
-my $OtherError = "Other Error";
-
-sub ProcessClangFailure {
- my ($Clang, $Lang, $file, $Args, $HtmlDir, $ErrorType, $ofile) = @_;
- my $Dir = "$HtmlDir/failures";
- mkpath $Dir;
-
- my $prefix = "clang_crash";
- if ($ErrorType eq $ParserRejects) {
- $prefix = "clang_parser_rejects";
- }
- elsif ($ErrorType eq $AttributeIgnored) {
- $prefix = "clang_attribute_ignored";
- }
- elsif ($ErrorType eq $OtherError) {
- $prefix = "clang_other_error";
- }
-
- # Generate the preprocessed file with Clang.
- my ($PPH, $PPFile) = tempfile( $prefix . "_XXXXXX",
- SUFFIX => GetPPExt($Lang),
- DIR => $Dir);
- system $Clang, @$Args, "-E", "-o", $PPFile;
- close ($PPH);
-
- # Create the info file.
- open (OUT, ">", "$PPFile.info.txt") or die "Cannot open $PPFile.info.txt\n";
- print OUT abs_path($file), "\n";
- print OUT "$ErrorType\n";
- print OUT "@$Args\n";
- close OUT;
- `uname -a >> $PPFile.info.txt 2>&1`;
- `$Compiler -v >> $PPFile.info.txt 2>&1`;
- system 'mv',$ofile,"$PPFile.stderr.txt";
- return (basename $PPFile);
-}
-
-##----------------------------------------------------------------------------##
-# Running the analyzer.
-##----------------------------------------------------------------------------##
-
-sub GetCCArgs {
- my $mode = shift;
- my $Args = shift;
-
- pipe (FROM_CHILD, TO_PARENT);
- my $pid = fork();
- if ($pid == 0) {
- close FROM_CHILD;
- open(STDOUT,">&", \*TO_PARENT);
- open(STDERR,">&", \*TO_PARENT);
- exec $Clang, "-###", $mode, @$Args;
- }
- close(TO_PARENT);
- my $line;
- while (<FROM_CHILD>) {
- next if (!/-cc1/);
- $line = $_;
- }
-
- waitpid($pid,0);
- close(FROM_CHILD);
-
- die "could not find clang line\n" if (!defined $line);
- # Strip the newline and initial whitspace
- chomp $line;
- $line =~ s/^\s+//;
- my @items = quotewords('\s+', 0, $line);
- my $cmd = shift @items;
- die "cannot find 'clang' in 'clang' command\n" if (!($cmd =~ /clang/));
- return \@items;
-}
-
-sub Analyze {
- my ($Clang, $OriginalArgs, $AnalyzeArgs, $Lang, $Output, $Verbose, $HtmlDir,
- $file) = @_;
-
- my @Args = @$OriginalArgs;
- my $Cmd;
- my @CmdArgs;
- my @CmdArgsSansAnalyses;
-
- if ($Lang =~ /header/) {
- exit 0 if (!defined ($Output));
- $Cmd = 'cp';
- push @CmdArgs, $file;
- # Remove the PCH extension.
- $Output =~ s/[.]gch$//;
- push @CmdArgs, $Output;
- @CmdArgsSansAnalyses = @CmdArgs;
- }
- else {
- $Cmd = $Clang;
- if ($Lang eq "objective-c" || $Lang eq "objective-c++") {
- push @Args,'-DIBOutlet=__attribute__((iboutlet))';
- push @Args,'-DIBOutletCollection(ClassName)=__attribute__((iboutletcollection)))';
- push @Args,'-DIBAction=void)__attribute__((ibaction)';
- }
-
- # Create arguments for doing regular parsing.
- my $SyntaxArgs = GetCCArgs("-fsyntax-only", \@Args);
- @CmdArgsSansAnalyses = @$SyntaxArgs;
-
- # Create arguments for doing static analysis.
- if (defined $ResultFile) {
- push @Args, '-o', $ResultFile;
- }
- elsif (defined $HtmlDir) {
- push @Args, '-o', $HtmlDir;
- }
- if ($Verbose) {
- push @Args, "-Xclang", "-analyzer-display-progress";
- }
-
- foreach my $arg (@$AnalyzeArgs) {
- push @Args, "-Xclang", $arg;
- }
-
- # Display Ubiviz graph?
- if (defined $ENV{'CCC_UBI'}) {
- push @Args, "-Xclang", "-analyzer-viz-egraph-ubigraph";
- }
-
- my $AnalysisArgs = GetCCArgs("--analyze", \@Args);
- @CmdArgs = @$AnalysisArgs;
- }
-
- my @PrintArgs;
- my $dir;
-
- if ($Verbose) {
- $dir = getcwd();
- print STDERR "\n[LOCATION]: $dir\n";
- push @PrintArgs,"'$Cmd'";
- foreach my $arg (@CmdArgs) {
- push @PrintArgs,"\'$arg\'";
- }
- }
- if ($Verbose == 1) {
- # We MUST print to stderr. Some clients use the stdout output of
- # gcc for various purposes.
- print STDERR join(' ', @PrintArgs);
- print STDERR "\n";
- }
- elsif ($Verbose == 2) {
- print STDERR "#SHELL (cd '$dir' && @PrintArgs)\n";
- }
-
- # Capture the STDERR of clang and send it to a temporary file.
- # Capture the STDOUT of clang and reroute it to ccc-analyzer's STDERR.
- # We save the output file in the 'crashes' directory if clang encounters
- # any problems with the file.
- pipe (FROM_CHILD, TO_PARENT);
- my $pid = fork();
- if ($pid == 0) {
- close FROM_CHILD;
- open(STDOUT,">&", \*TO_PARENT);
- open(STDERR,">&", \*TO_PARENT);
- exec $Cmd, @CmdArgs;
- }
-
- close TO_PARENT;
- my ($ofh, $ofile) = tempfile("clang_output_XXXXXX", DIR => $HtmlDir);
-
- while (<FROM_CHILD>) {
- print $ofh $_;
- print STDERR $_;
- }
-
- waitpid($pid,0);
- close(FROM_CHILD);
- my $Result = $?;
-
- # Did the command die because of a signal?
- if ($ReportFailures) {
- if ($Result & 127 and $Cmd eq $Clang and defined $HtmlDir) {
- ProcessClangFailure($Clang, $Lang, $file, \@CmdArgsSansAnalyses,
- $HtmlDir, "Crash", $ofile);
- }
- elsif ($Result) {
- if ($IncludeParserRejects && !($file =~/conftest/)) {
- ProcessClangFailure($Clang, $Lang, $file, \@CmdArgsSansAnalyses,
- $HtmlDir, $ParserRejects, $ofile);
- } else {
- ProcessClangFailure($Clang, $Lang, $file, \@CmdArgsSansAnalyses,
- $HtmlDir, $OtherError, $ofile);
- }
- }
- else {
- # Check if there were any unhandled attributes.
- if (open(CHILD, $ofile)) {
- my %attributes_not_handled;
-
- # Don't flag warnings about the following attributes that we
- # know are currently not supported by Clang.
- $attributes_not_handled{"cdecl"} = 1;
-
- my $ppfile;
- while (<CHILD>) {
- next if (! /warning: '([^\']+)' attribute ignored/);
-
- # Have we already spotted this unhandled attribute?
- next if (defined $attributes_not_handled{$1});
- $attributes_not_handled{$1} = 1;
-
- # Get the name of the attribute file.
- my $dir = "$HtmlDir/failures";
- my $afile = "$dir/attribute_ignored_$1.txt";
-
- # Only create another preprocessed file if the attribute file
- # doesn't exist yet.
- next if (-e $afile);
-
- # Add this file to the list of files that contained this attribute.
- # Generate a preprocessed file if we haven't already.
- if (!(defined $ppfile)) {
- $ppfile = ProcessClangFailure($Clang, $Lang, $file,
- \@CmdArgsSansAnalyses,
- $HtmlDir, $AttributeIgnored, $ofile);
- }
-
- mkpath $dir;
- open(AFILE, ">$afile");
- print AFILE "$ppfile\n";
- close(AFILE);
- }
- close CHILD;
- }
- }
- }
-
- unlink($ofile);
-}
-
-##----------------------------------------------------------------------------##
-# Lookup tables.
-##----------------------------------------------------------------------------##
-
-my %CompileOptionMap = (
- '-nostdinc' => 0,
- '-fblocks' => 0,
- '-fno-builtin' => 0,
- '-fobjc-arc' => 0,
- '-fobjc-gc-only' => 0,
- '-fobjc-gc' => 0,
- '-ffreestanding' => 0,
- '-include' => 1,
- '-idirafter' => 1,
- '-imacros' => 1,
- '-iprefix' => 1,
- '-iquote' => 1,
- '-isystem' => 1,
- '-iwithprefix' => 1,
- '-iwithprefixbefore' => 1
-);
-
-my %LinkerOptionMap = (
- '-framework' => 1
-);
-
-my %CompilerLinkerOptionMap = (
- '-isysroot' => 1,
- '-arch' => 1,
- '-m32' => 0,
- '-m64' => 0,
- '-v' => 0,
- '-fpascal-strings' => 0,
- '-mmacosx-version-min' => 0, # This is really a 1 argument, but always has '='
- '-miphoneos-version-min' => 0 # This is really a 1 argument, but always has '='
-);
-
-my %IgnoredOptionMap = (
- '-MT' => 1, # Ignore these preprocessor options.
- '-MF' => 1,
-
- '-fsyntax-only' => 0,
- '-save-temps' => 0,
- '-install_name' => 1,
- '-exported_symbols_list' => 1,
- '-current_version' => 1,
- '-compatibility_version' => 1,
- '-init' => 1,
- '-e' => 1,
- '-seg1addr' => 1,
- '-bundle_loader' => 1,
- '-multiply_defined' => 1,
- '-sectorder' => 3,
- '--param' => 1,
- '-u' => 1,
- '--serialize-diagnostics' => 1
-);
-
-my %LangMap = (
- 'c' => 'c',
- 'cp' => 'c++',
- 'cpp' => 'c++',
- 'cc' => 'c++',
- 'ii' => 'c++',
- 'i' => 'c-cpp-output',
- 'm' => 'objective-c',
- 'mi' => 'objective-c-cpp-output',
- 'mm' => 'objective-c++'
-);
-
-my %UniqueOptions = (
- '-isysroot' => 0
-);
-
-##----------------------------------------------------------------------------##
-# Languages accepted.
-##----------------------------------------------------------------------------##
-
-my %LangsAccepted = (
- "objective-c" => 1,
- "c" => 1,
- "c++" => 1,
- "objective-c++" => 1
-);
-
-##----------------------------------------------------------------------------##
-# Main Logic.
-##----------------------------------------------------------------------------##
-
-my $Action = 'link';
-my @CompileOpts;
-my @LinkOpts;
-my @Files;
-my $Lang;
-my $Output;
-my %Uniqued;
-
-# Forward arguments to gcc.
-my $Status = system($Compiler,@ARGV);
-if (defined $ENV{'CCC_ANALYZER_LOG'}) {
- print "$Compiler @ARGV\n";
-}
-if ($Status) { exit($Status >> 8); }
-
-# Get the analysis options.
-my $Analyses = $ENV{'CCC_ANALYZER_ANALYSIS'};
-
-# Get the store model.
-my $StoreModel = $ENV{'CCC_ANALYZER_STORE_MODEL'};
-
-# Get the constraints engine.
-my $ConstraintsModel = $ENV{'CCC_ANALYZER_CONSTRAINTS_MODEL'};
-
-# Get the output format.
-my $OutputFormat = $ENV{'CCC_ANALYZER_OUTPUT_FORMAT'};
-if (!defined $OutputFormat) { $OutputFormat = "html"; }
-
-# Determine the level of verbosity.
-my $Verbose = 0;
-if (defined $ENV{CCC_ANALYZER_VERBOSE}) { $Verbose = 1; }
-if (defined $ENV{CCC_ANALYZER_LOG}) { $Verbose = 2; }
-
-# Get the HTML output directory.
-my $HtmlDir = $ENV{'CCC_ANALYZER_HTML'};
-
-my %DisabledArchs = ('ppc' => 1, 'ppc64' => 1);
-my %ArchsSeen;
-my $HadArch = 0;
-
-# Process the arguments.
-foreach (my $i = 0; $i < scalar(@ARGV); ++$i) {
- my $Arg = $ARGV[$i];
- my ($ArgKey) = split /=/,$Arg,2;
-
- # Modes ccc-analyzer supports
- if ($Arg =~ /^-(E|MM?)$/) { $Action = 'preprocess'; }
- elsif ($Arg eq '-c') { $Action = 'compile'; }
- elsif ($Arg =~ /^-print-prog-name/) { exit 0; }
-
- # Specially handle duplicate cases of -arch
- if ($Arg eq "-arch") {
- my $arch = $ARGV[$i+1];
- # We don't want to process 'ppc' because of Clang's lack of support
- # for Altivec (also some #defines won't likely be defined correctly, etc.)
- if (!(defined $DisabledArchs{$arch})) { $ArchsSeen{$arch} = 1; }
- $HadArch = 1;
- ++$i;
- next;
- }
-
- # Options with possible arguments that should pass through to compiler.
- if (defined $CompileOptionMap{$ArgKey}) {
- my $Cnt = $CompileOptionMap{$ArgKey};
- push @CompileOpts,$Arg;
- while ($Cnt > 0) { ++$i; --$Cnt; push @CompileOpts, $ARGV[$i]; }
- next;
- }
-
- # Options with possible arguments that should pass through to linker.
- if (defined $LinkerOptionMap{$ArgKey}) {
- my $Cnt = $LinkerOptionMap{$ArgKey};
- push @LinkOpts,$Arg;
- while ($Cnt > 0) { ++$i; --$Cnt; push @LinkOpts, $ARGV[$i]; }
- next;
- }
-
- # Options with possible arguments that should pass through to both compiler
- # and the linker.
- if (defined $CompilerLinkerOptionMap{$ArgKey}) {
- my $Cnt = $CompilerLinkerOptionMap{$ArgKey};
-
- # Check if this is an option that should have a unique value, and if so
- # determine if the value was checked before.
- if ($UniqueOptions{$Arg}) {
- if (defined $Uniqued{$Arg}) {
- $i += $Cnt;
- next;
- }
- $Uniqued{$Arg} = 1;
- }
-
- push @CompileOpts,$Arg;
- push @LinkOpts,$Arg;
-
- while ($Cnt > 0) {
- ++$i; --$Cnt;
- push @CompileOpts, $ARGV[$i];
- push @LinkOpts, $ARGV[$i];
- }
- next;
- }
-
- # Ignored options.
- if (defined $IgnoredOptionMap{$ArgKey}) {
- my $Cnt = $IgnoredOptionMap{$ArgKey};
- while ($Cnt > 0) {
- ++$i; --$Cnt;
- }
- next;
- }
-
- # Compile mode flags.
- if ($Arg =~ /^-[D,I,U](.*)$/) {
- my $Tmp = $Arg;
- if ($1 eq '') {
- # FIXME: Check if we are going off the end.
- ++$i;
- $Tmp = $Arg . $ARGV[$i];
- }
- push @CompileOpts,$Tmp;
- next;
- }
-
- # Language.
- if ($Arg eq '-x') {
- $Lang = $ARGV[$i+1];
- ++$i; next;
- }
-
- # Output file.
- if ($Arg eq '-o') {
- ++$i;
- $Output = $ARGV[$i];
- next;
- }
-
- # Get the link mode.
- if ($Arg =~ /^-[l,L,O]/) {
- if ($Arg eq '-O') { push @LinkOpts,'-O1'; }
- elsif ($Arg eq '-Os') { push @LinkOpts,'-O2'; }
- else { push @LinkOpts,$Arg; }
- next;
- }
-
- if ($Arg =~ /^-std=/) {
- push @CompileOpts,$Arg;
- next;
- }
-
-# if ($Arg =~ /^-f/) {
-# # FIXME: Not sure if the remaining -fxxxx options have no arguments.
-# push @CompileOpts,$Arg;
-# push @LinkOpts,$Arg; # FIXME: Not sure if these are link opts.
-# }
-
- # Get the compiler/link mode.
- if ($Arg =~ /^-F(.+)$/) {
- my $Tmp = $Arg;
- if ($1 eq '') {
- # FIXME: Check if we are going off the end.
- ++$i;
- $Tmp = $Arg . $ARGV[$i];
- }
- push @CompileOpts,$Tmp;
- push @LinkOpts,$Tmp;
- next;
- }
-
- # Input files.
- if ($Arg eq '-filelist') {
- # FIXME: Make sure we aren't walking off the end.
- open(IN, $ARGV[$i+1]);
- while (<IN>) { s/\015?\012//; push @Files,$_; }
- close(IN);
- ++$i;
- next;
- }
-
- # Handle -Wno-. We don't care about extra warnings, but
- # we should suppress ones that we don't want to see.
- if ($Arg =~ /^-Wno-/) {
- push @CompileOpts, $Arg;
- next;
- }
-
- if (!($Arg =~ /^-/)) {
- push @Files, $Arg;
- next;
- }
-}
-
-if ($Action eq 'compile' or $Action eq 'link') {
- my @Archs = keys %ArchsSeen;
- # Skip the file if we don't support the architectures specified.
- exit 0 if ($HadArch && scalar(@Archs) == 0);
-
- foreach my $file (@Files) {
- # Determine the language for the file.
- my $FileLang = $Lang;
-
- if (!defined($FileLang)) {
- # Infer the language from the extension.
- if ($file =~ /[.]([^.]+)$/) {
- $FileLang = $LangMap{$1};
- }
- }
-
- # FileLang still not defined? Skip the file.
- next if (!defined $FileLang);
-
- # Language not accepted?
- next if (!defined $LangsAccepted{$FileLang});
-
- my @CmdArgs;
- my @AnalyzeArgs;
-
- if ($FileLang ne 'unknown') {
- push @CmdArgs, '-x', $FileLang;
- }
-
- if (defined $StoreModel) {
- push @AnalyzeArgs, "-analyzer-store=$StoreModel";
- }
-
- if (defined $ConstraintsModel) {
- push @AnalyzeArgs, "-analyzer-constraints=$ConstraintsModel";
- }
-
- if (defined $Analyses) {
- push @AnalyzeArgs, split '\s+', $Analyses;
- }
-
- if (defined $OutputFormat) {
- push @AnalyzeArgs, "-analyzer-output=" . $OutputFormat;
- if ($OutputFormat =~ /plist/) {
- # Change "Output" to be a file.
- my ($h, $f) = tempfile("report-XXXXXX", SUFFIX => ".plist",
- DIR => $HtmlDir);
- $ResultFile = $f;
- # If the HtmlDir is not set, we sould clean up the plist files.
- if (!defined $HtmlDir || -z $HtmlDir) {
- $CleanupFile = $f;
- }
- }
- }
-
- push @CmdArgs, @CompileOpts;
- push @CmdArgs, $file;
-
- if (scalar @Archs) {
- foreach my $arch (@Archs) {
- my @NewArgs;
- push @NewArgs, '-arch', $arch;
- push @NewArgs, @CmdArgs;
- Analyze($Clang, \@NewArgs, \@AnalyzeArgs, $FileLang, $Output,
- $Verbose, $HtmlDir, $file);
- }
- }
- else {
- Analyze($Clang, \@CmdArgs, \@AnalyzeArgs, $FileLang, $Output,
- $Verbose, $HtmlDir, $file);
- }
- }
-}
-
-exit($Status >> 8);
-
projects / platform / upstream / llvm.git / commitdiff