scan-build/ccc-analyzer: start analyzing C++ FTW.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91398 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/scan-build/ccc-analyzer b/tools/scan-build/ccc-analyzer
index 9fca432..aca411f 100755
--- a/tools/scan-build/ccc-analyzer
+++ b/tools/scan-build/ccc-analyzer
@@ -14,14 +14,38 @@
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;
-my $CC = $ENV{'CCC_CC'};
-if (!defined $CC) { $CC = "gcc"; }
+##===----------------------------------------------------------------------===##
+# Compiler command setup.
+##===----------------------------------------------------------------------===##
+
+my $Compiler;
+my $Clang;
+
+if ($FindBin::Script =~ /c\+\+-analyzer/) {
+ $Compiler = $ENV{'CCC_CXX'};
+ if (!defined $Compiler) { $Compiler = "g++"; }
+
+ $Clang = $ENV{'CLANG_CXX'};
+ if (!defined $Clang) { $Clang = 'clang++'; }
+}
+else {
+ $Compiler = $ENV{'CCC_CC'};
+ if (!defined $Compiler) { $Compiler = "gcc"; }
+
+ $Clang = $ENV{'CLANG'};
+ if (!defined $Clang) { $Clang = 'clang'; }
+}
+
+##===----------------------------------------------------------------------===##
+# Cleanup.
+##===----------------------------------------------------------------------===##
my $ReportFailures = $ENV{'CCC_REPORT_FAILURES'};
if (!defined $ReportFailures) { $ReportFailures = 1; }
@@ -79,7 +103,7 @@
print OUT "@$Args\n";
close OUT;
`uname -a >> $PPFile.info.txt 2>&1`;
- `$CC -v >> $PPFile.info.txt 2>&1`;
+ `$Compiler -v >> $PPFile.info.txt 2>&1`;
system 'mv',$ofile,"$PPFile.stderr.txt";
return (basename $PPFile);
}
@@ -88,10 +112,6 @@
# Running the analyzer.
##----------------------------------------------------------------------------##
-# Determine what clang executable to use.
-my $Clang = $ENV{'CLANG'};
-if (!defined $Clang) { $Clang = 'clang'; }
-
sub GetCCArgs {
my $Args = shift;
@@ -134,9 +154,6 @@
$Args = GetCCArgs($Args);
- # Skip anything related to C++.
- return if ($Lang =~ /c[+][+]/);
-
my $RunAnalyzer = 0;
my $Cmd;
my @CmdArgs;
@@ -361,7 +378,9 @@
my %LangsAccepted = (
"objective-c" => 1,
- "c" => 1
+ "c" => 1,
+ "c++" => 1,
+ "objective-c++" => 1
);
##----------------------------------------------------------------------------##
@@ -377,7 +396,7 @@
my %Uniqued;
# Forward arguments to gcc.
-my $Status = system($CC,@ARGV);
+my $Status = system($Compiler,@ARGV);
if ($Status) { exit($Status >> 8); }
# Get the analysis options.
diff --git a/tools/scan-build/scan-build b/tools/scan-build/scan-build
index 518632e..f978a88 100755
--- a/tools/scan-build/scan-build
+++ b/tools/scan-build/scan-build
@@ -26,7 +26,6 @@
my $Prog = "scan-build";
my $BuildName;
my $BuildDate;
-my $CXX; # Leave undefined initially.
my $TERM = $ENV{'TERM'};
my $UseColor = (defined $TERM and $TERM eq 'xterm-color' and -t STDOUT
@@ -83,13 +82,17 @@
# Find 'clang'
my $ClangSB = Cwd::realpath("$RealBin/bin/clang");
+my $ClangCXXSB;
if (!defined $ClangSB || ! -x $ClangSB) {
$ClangSB = Cwd::realpath("$RealBin/clang");
+ if (defined $ClangSB) { $ClangCXXSB = $ClangSB . "++"; }
}
my $Clang = $ClangSB;
+my $ClangCXX = $ClangCXXSB;
# Default to looking for 'clang' in the path.
if (!defined $Clang || ! -x $Clang) {
$Clang = "clang";
+ $ClangCXX = "clang++";
}
my %AvailableAnalyses;
@@ -799,12 +802,22 @@
$Cmd =~ /(.*\/?ccc-analyzer[^\/]*$)/) {
if (!($Cmd =~ /ccc-analyzer/) and !defined $ENV{"CCC_CC"}) {
- $ENV{"CCC_CC"} = $1;
+ $ENV{"CCC_CC"} = $1;
}
shift @$Args;
unshift @$Args, $CCAnalyzer;
}
+ elsif ($Cmd =~ /(.*\/?g\+\+[^\/]*$)/ or
+ $Cmd =~ /(.*\/?c\+\+[^\/]*$)/ or
+ $Cmd =~ /(.*\/?llvm-g\+\+[^\/]*$)/ or
+ $Cmd =~ /(.*\/?c\+\+-analyzer[^\/]*$)/) {
+ if (!($Cmd =~ /c\+\+-analyzer/) and !defined $ENV{"CCC_CXX"}) {
+ $ENV{"CCC_CXX"} = $1;
+ }
+ shift @$Args;
+ unshift @$Args, $CCAnalyzer;
+ }
elsif ($IgnoreErrors) {
if ($Cmd eq "make" or $Cmd eq "gmake") {
AddIfNotPresent($Args, "CC=$CCAnalyzer");
@@ -825,6 +838,7 @@
if ($Args->[$i] eq "-sdk" && $i + 1 < scalar(@$Args)) {
if (@$Args[$i+1] =~ /^iphonesimulator3/) {
$ENV{"CCC_CC"} = "gcc-4.2";
+ $ENV{"CCC_CXX"} = "g++-4.2";
}
}
}
@@ -839,10 +853,10 @@
# When 'CC' is set, xcodebuild uses it to do all linking, even if we are
# linking C++ object files. Set 'LDPLUSPLUS' so that xcodebuild uses 'g++'
# when linking such files.
- die if (!defined $CXX);
- my $LDPLUSPLUS = `which $CXX`;
- $LDPLUSPLUS =~ s/\015?\012//; # strip newlines
- $ENV{'LDPLUSPLUS'} = $LDPLUSPLUS;
+ if (!defined $ENV{'CCC_CXX'}) {
+ $ENV{'CCC_CXX'} = 'g++';
+ }
+ $ENV{'LDPLUSPLUS'} = $ENV{'CCC_CXX'};
}
return (system(@$Args) >> 8);
@@ -1090,16 +1104,19 @@
if ($arg =~ /^--use-c\+\+(=(.+))?$/) {
shift @ARGV;
+ my $cxx;
if (!defined $2 || $2 eq "") {
if (!@ARGV) {
DieDiag("'--use-c++' option requires a compiler executable name.\n");
}
- $CXX = shift @ARGV;
+ $cxx = shift @ARGV;
}
else {
- $CXX = $2;
+ $cxx = $2;
}
+
+ $ENV{"CCC_CXX"} = $cxx;
next;
}
@@ -1171,27 +1188,28 @@
# Set the appropriate environment variables.
SetHtmlEnv(\@ARGV, $HtmlDir);
-my $Cmd = Cwd::realpath("$RealBin/libexec/ccc-analyzer");
+my $AbsRealBin = Cwd::realpath($RealBin);
+my $Cmd = "$AbsRealBin/libexec/ccc-analyzer";
+my $CmdCXX = "$AbsRealBin/libexec/c++-analyzer";
+
if (!defined $Cmd || ! -x $Cmd) {
- $Cmd = Cwd::realpath("$RealBin/ccc-analyzer");
+ $Cmd = "$AbsRealBin/ccc-analyzer";
DieDiag("Executable 'ccc-analyzer' does not exist at '$Cmd'\n") if(! -x $Cmd);
}
+if (!defined $CmdCXX || ! -x $CmdCXX) {
+ $CmdCXX = "$AbsRealBin/c++-analyzer";
+ DieDiag("Executable 'c++-analyzer' does not exist at '$CmdCXX'\n") if(! -x $CmdCXX);
+}
if (!defined $ClangSB || ! -x $ClangSB) {
Diag("'clang' executable not found in '$RealBin/bin'.\n");
Diag("Using 'clang' from path.\n");
}
-if (defined $CXX) {
- $ENV{'CXX'} = $CXX;
-}
-else {
- $CXX = 'g++'; # This variable is used by other parts of scan-build
- # that need to know a default C++ compiler to fall back to.
-}
-
$ENV{'CC'} = $Cmd;
+$ENV{'CXX'} = $CmdCXX;
$ENV{'CLANG'} = $Clang;
+$ENV{'CLANG_CXX'} = $ClangCXX;
if ($Verbose >= 2) {
$ENV{'CCC_ANALYZER_VERBOSE'} = 1;