CMake/Source/CTest/cmCTestLaunch.cxx

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmCTestLaunch.h"
#include "cmGeneratedFileStream.h"
#include "cmSystemTools.h"
#include "cmXMLSafe.h"
#include "cmake.h"
#include <cmsys/MD5.h>
#include <cmsys/Process.h>
#include <cmsys/RegularExpression.hxx>
//----------------------------------------------------------------------------
cmCTestLaunch::cmCTestLaunch(int argc, const char* const* argv)
{
this->Passthru = true;
this->Process = 0;
this->ExitCode = 1;
this->CWD = cmSystemTools::GetCurrentWorkingDirectory();
if(!this->ParseArguments(argc, argv))
{
return;
}
this->ComputeFileNames();
this->ScrapeRulesLoaded = false;
this->HaveOut = false;
this->HaveErr = false;
this->Process = cmsysProcess_New();
}
//----------------------------------------------------------------------------
cmCTestLaunch::~cmCTestLaunch()
{
cmsysProcess_Delete(this->Process);
if(!this->Passthru)
{
cmSystemTools::RemoveFile(this->LogOut.c_str());
cmSystemTools::RemoveFile(this->LogErr.c_str());
}
}
//----------------------------------------------------------------------------
bool cmCTestLaunch::ParseArguments(int argc, const char* const* argv)
{
// Launcher options occur first and are separated from the real
// command line by a '--' option.
enum Doing { DoingNone,
DoingOutput,
DoingSource,
DoingLanguage,
DoingTargetName,
DoingTargetType,
DoingBuildDir,
DoingCount };
Doing doing = DoingNone;
int arg0 = 0;
for(int i=1; !arg0 && i < argc; ++i)
{
const char* arg = argv[i];
if(strcmp(arg, "--") == 0)
{
arg0 = i+1;
}
else if(strcmp(arg, "--output") == 0)
{
doing = DoingOutput;
}
else if(strcmp(arg, "--source") == 0)
{
doing = DoingSource;
}
else if(strcmp(arg, "--language") == 0)
{
doing = DoingLanguage;
}
else if(strcmp(arg, "--target-name") == 0)
{
doing = DoingTargetName;
}
else if(strcmp(arg, "--target-type") == 0)
{
doing = DoingTargetType;
}
else if(strcmp(arg, "--build-dir") == 0)
{
doing = DoingBuildDir;
}
else if(doing == DoingOutput)
{
this->OptionOutput = arg;
doing = DoingNone;
}
else if(doing == DoingSource)
{
this->OptionSource = arg;
doing = DoingNone;
}
else if(doing == DoingLanguage)
{
this->OptionLanguage = arg;
if(this->OptionLanguage == "CXX")
{
this->OptionLanguage = "C++";
}
doing = DoingNone;
}
else if(doing == DoingTargetName)
{
this->OptionTargetName = arg;
doing = DoingNone;
}
else if(doing == DoingTargetType)
{
this->OptionTargetType = arg;
doing = DoingNone;
}
else if(doing == DoingBuildDir)
{
this->OptionBuildDir = arg;
doing = DoingNone;
}
}
// Extract the real command line.
if(arg0)
{
this->RealArgC = argc - arg0;
this->RealArgV = argv + arg0;
for(int i=0; i < this->RealArgC; ++i)
{
this->HandleRealArg(this->RealArgV[i]);
}
return true;
}
else
{
this->RealArgC = 0;
this->RealArgV = 0;
std::cerr << "No launch/command separator ('--') found!\n";
return false;
}
}
//----------------------------------------------------------------------------
void cmCTestLaunch::HandleRealArg(const char* arg)
{
#ifdef _WIN32
// Expand response file arguments.
if(arg[0] == '@' && cmSystemTools::FileExists(arg+1))
{
std::ifstream fin(arg+1);
std::string line;
while(cmSystemTools::GetLineFromStream(fin, line))
{
cmSystemTools::ParseWindowsCommandLine(line.c_str(), this->RealArgs);
}
return;
}
#endif
this->RealArgs.push_back(arg);
}
//----------------------------------------------------------------------------
void cmCTestLaunch::ComputeFileNames()
{
// We just passthru the behavior of the real command unless the
// CTEST_LAUNCH_LOGS environment variable is set.
const char* d = getenv("CTEST_LAUNCH_LOGS");
if(!(d && *d))
{
return;
}
this->Passthru = false;
// The environment variable specifies the directory into which we
// generate build logs.
this->LogDir = d;
cmSystemTools::ConvertToUnixSlashes(this->LogDir);
this->LogDir += "/";
// We hash the input command working dir and command line to obtain
// a repeatable and (probably) unique name for log files.
char hash[32];
cmsysMD5* md5 = cmsysMD5_New();
cmsysMD5_Initialize(md5);
cmsysMD5_Append(md5, (unsigned char const*)(this->CWD.c_str()), -1);
for(std::vector<std::string>::const_iterator ai = this->RealArgs.begin();
ai != this->RealArgs.end(); ++ai)
{
cmsysMD5_Append(md5, (unsigned char const*)ai->c_str(), -1);
}
cmsysMD5_FinalizeHex(md5, hash);
cmsysMD5_Delete(md5);
this->LogHash.assign(hash, 32);
// We store stdout and stderr in temporary log files.
this->LogOut = this->LogDir;
this->LogOut += "launch-";
this->LogOut += this->LogHash;
this->LogOut += "-out.txt";
this->LogErr = this->LogDir;
this->LogErr += "launch-";
this->LogErr += this->LogHash;
this->LogErr += "-err.txt";
}
//----------------------------------------------------------------------------
void cmCTestLaunch::RunChild()
{
// Prepare to run the real command.
cmsysProcess* cp = this->Process;
cmsysProcess_SetCommand(cp, this->RealArgV);
std::ofstream fout;
std::ofstream ferr;
if(this->Passthru)
{
// In passthru mode we just share the output pipes.
cmsysProcess_SetPipeShared(cp, cmsysProcess_Pipe_STDOUT, 1);
cmsysProcess_SetPipeShared(cp, cmsysProcess_Pipe_STDERR, 1);
}
else
{
// In full mode we record the child output pipes to log files.
fout.open(this->LogOut.c_str(),
std::ios::out | std::ios::binary);
ferr.open(this->LogErr.c_str(),
std::ios::out | std::ios::binary);
}
// Run the real command.
cmsysProcess_Execute(cp);
// Record child stdout and stderr if necessary.
if(!this->Passthru)
{
char* data = 0;
int length = 0;
while(int p = cmsysProcess_WaitForData(cp, &data, &length, 0))
{
if(p == cmsysProcess_Pipe_STDOUT)
{
fout.write(data, length);
std::cout.write(data, length);
this->HaveOut = true;
}
else if(p == cmsysProcess_Pipe_STDERR)
{
ferr.write(data, length);
std::cerr.write(data, length);
this->HaveErr = true;
}
}
}
// Wait for the real command to finish.
cmsysProcess_WaitForExit(cp, 0);
this->ExitCode = cmsysProcess_GetExitValue(cp);
}
//----------------------------------------------------------------------------
int cmCTestLaunch::Run()
{
if(!this->Process)
{
std::cerr << "Could not allocate cmsysProcess instance!\n";
return -1;
}
this->RunChild();
if(this->CheckResults())
{
return this->ExitCode;
}
this->LoadConfig();
this->WriteXML();
return this->ExitCode;
}
//----------------------------------------------------------------------------
void cmCTestLaunch::LoadLabels()
{
if(this->OptionBuildDir.empty() || this->OptionTargetName.empty())
{
return;
}
// Labels are listed in per-target files.
std::string fname = this->OptionBuildDir;
fname += cmake::GetCMakeFilesDirectory();
fname += "/";
fname += this->OptionTargetName;
fname += ".dir/Labels.txt";
// We are interested in per-target labels for this source file.
std::string source = this->OptionSource;
cmSystemTools::ConvertToUnixSlashes(source);
// Load the labels file.
std::ifstream fin(fname.c_str(), std::ios::in | std::ios::binary);
if(!fin) { return; }
bool inTarget = true;
bool inSource = false;
std::string line;
while(cmSystemTools::GetLineFromStream(fin, line))
{
if(line.empty() || line[0] == '#')
{
// Ignore blank and comment lines.
continue;
}
else if(line[0] == ' ')
{
// Label lines appear indented by one space.
if(inTarget || inSource)
{
this->Labels.insert(line.c_str()+1);
}
}
else if(!this->OptionSource.empty() && !inSource)
{
// Non-indented lines specify a source file name. The first one
// is the end of the target-wide labels. Use labels following a
// matching source.
inTarget = false;
inSource = this->SourceMatches(line, source);
}
else
{
return;
}
}
}
//----------------------------------------------------------------------------
bool cmCTestLaunch::SourceMatches(std::string const& lhs,
std::string const& rhs)
{
// TODO: Case sensitivity, UseRelativePaths, etc. Note that both
// paths in the comparison get generated by CMake. This is done for
// every source in the target, so it should be efficient (cannot use
// cmSystemTools::IsSameFile).
return lhs == rhs;
}
//----------------------------------------------------------------------------
bool cmCTestLaunch::IsError() const
{
return this->ExitCode != 0;
}
//----------------------------------------------------------------------------
void cmCTestLaunch::WriteXML()
{
// Name the xml file.
std::string logXML = this->LogDir;
logXML += this->IsError()? "error-" : "warning-";
logXML += this->LogHash;
logXML += ".xml";
// Use cmGeneratedFileStream to atomically create the report file.
cmGeneratedFileStream fxml(logXML.c_str());
fxml << "\t<Failure type=\""
<< (this->IsError()? "Error" : "Warning") << "\">\n";
this->WriteXMLAction(fxml);
this->WriteXMLCommand(fxml);
this->WriteXMLResult(fxml);
this->WriteXMLLabels(fxml);
fxml << "\t</Failure>\n";
}
//----------------------------------------------------------------------------
void cmCTestLaunch::WriteXMLAction(std::ostream& fxml)
{
fxml << "\t\t<!-- Meta-information about the build action -->\n";
fxml << "\t\t<Action>\n";
// TargetName
if(!this->OptionTargetName.empty())
{
fxml << "\t\t\t<TargetName>"
<< cmXMLSafe(this->OptionTargetName)
<< "</TargetName>\n";
}
// Language
if(!this->OptionLanguage.empty())
{
fxml << "\t\t\t<Language>"
<< cmXMLSafe(this->OptionLanguage)
<< "</Language>\n";
}
// SourceFile
if(!this->OptionSource.empty())
{
std::string source = this->OptionSource;
cmSystemTools::ConvertToUnixSlashes(source);
// If file is in source tree use its relative location.
if(cmSystemTools::FileIsFullPath(this->SourceDir.c_str()) &&
cmSystemTools::FileIsFullPath(source.c_str()) &&
cmSystemTools::IsSubDirectory(source.c_str(),
this->SourceDir.c_str()))
{
source = cmSystemTools::RelativePath(this->SourceDir.c_str(),
source.c_str());
}
fxml << "\t\t\t<SourceFile>"
<< cmXMLSafe(source)
<< "</SourceFile>\n";
}
// OutputFile
if(!this->OptionOutput.empty())
{
fxml << "\t\t\t<OutputFile>"
<< cmXMLSafe(this->OptionOutput)
<< "</OutputFile>\n";
}
// OutputType
const char* outputType = 0;
if(!this->OptionTargetType.empty())
{
if(this->OptionTargetType == "EXECUTABLE")
{
outputType = "executable";
}
else if(this->OptionTargetType == "SHARED_LIBRARY")
{
outputType = "shared library";
}
else if(this->OptionTargetType == "MODULE_LIBRARY")
{
outputType = "module library";
}
else if(this->OptionTargetType == "STATIC_LIBRARY")
{
outputType = "static library";
}
}
else if(!this->OptionSource.empty())
{
outputType = "object file";
}
if(outputType)
{
fxml << "\t\t\t<OutputType>"
<< cmXMLSafe(outputType)
<< "</OutputType>\n";
}
fxml << "\t\t</Action>\n";
}
//----------------------------------------------------------------------------
void cmCTestLaunch::WriteXMLCommand(std::ostream& fxml)
{
fxml << "\n";
fxml << "\t\t<!-- Details of command -->\n";
fxml << "\t\t<Command>\n";
if(!this->CWD.empty())
{
fxml << "\t\t\t<WorkingDirectory>"
<< cmXMLSafe(this->CWD)
<< "</WorkingDirectory>\n";
}
for(std::vector<std::string>::const_iterator ai = this->RealArgs.begin();
ai != this->RealArgs.end(); ++ai)
{
fxml << "\t\t\t<Argument>"
<< cmXMLSafe(ai->c_str())
<< "</Argument>\n";
}
fxml << "\t\t</Command>\n";
}
//----------------------------------------------------------------------------
void cmCTestLaunch::WriteXMLResult(std::ostream& fxml)
{
fxml << "\n";
fxml << "\t\t<!-- Result of command -->\n";
fxml << "\t\t<Result>\n";
// StdOut
fxml << "\t\t\t<StdOut>";
this->DumpFileToXML(fxml, this->LogOut);
fxml << "</StdOut>\n";
// StdErr
fxml << "\t\t\t<StdErr>";
this->DumpFileToXML(fxml, this->LogErr);
fxml << "</StdErr>\n";
// ExitCondition
fxml << "\t\t\t<ExitCondition>";
cmsysProcess* cp = this->Process;
switch (cmsysProcess_GetState(cp))
{
case cmsysProcess_State_Starting:
fxml << "No process has been executed"; break;
case cmsysProcess_State_Executing:
fxml << "The process is still executing"; break;
case cmsysProcess_State_Disowned:
fxml << "Disowned"; break;
case cmsysProcess_State_Killed:
fxml << "Killed by parent"; break;
case cmsysProcess_State_Expired:
fxml << "Killed when timeout expired"; break;
case cmsysProcess_State_Exited:
fxml << this->ExitCode; break;
case cmsysProcess_State_Exception:
fxml << "Terminated abnormally: "
<< cmXMLSafe(cmsysProcess_GetExceptionString(cp)); break;
case cmsysProcess_State_Error:
fxml << "Error administrating child process: "
<< cmXMLSafe(cmsysProcess_GetErrorString(cp)); break;
};
fxml << "</ExitCondition>\n";
fxml << "\t\t</Result>\n";
}
//----------------------------------------------------------------------------
void cmCTestLaunch::WriteXMLLabels(std::ostream& fxml)
{
this->LoadLabels();
if(!this->Labels.empty())
{
fxml << "\n";
fxml << "\t\t<!-- Interested parties -->\n";
fxml << "\t\t<Labels>\n";
for(std::set<cmStdString>::const_iterator li = this->Labels.begin();
li != this->Labels.end(); ++li)
{
fxml << "\t\t\t<Label>" << cmXMLSafe(*li) << "</Label>\n";
}
fxml << "\t\t</Labels>\n";
}
}
//----------------------------------------------------------------------------
void cmCTestLaunch::DumpFileToXML(std::ostream& fxml,
std::string const& fname)
{
std::ifstream fin(fname.c_str(), std::ios::in | std::ios::binary);
std::string line;
const char* sep = "";
while(cmSystemTools::GetLineFromStream(fin, line))
{
fxml << sep << cmXMLSafe(line).Quotes(false);
sep = "\n";
}
}
//----------------------------------------------------------------------------
bool cmCTestLaunch::CheckResults()
{
// Skip XML in passthru mode.
if(this->Passthru)
{
return true;
}
// We always report failure for error conditions.
if(this->IsError())
{
return false;
}
// Scrape the output logs to look for warnings.
if((this->HaveErr && this->ScrapeLog(this->LogErr)) ||
(this->HaveOut && this->ScrapeLog(this->LogOut)))
{
return false;
}
return true;
}
//----------------------------------------------------------------------------
void cmCTestLaunch::LoadScrapeRules()
{
if(this->ScrapeRulesLoaded)
{
return;
}
this->ScrapeRulesLoaded = true;
// Common compiler warning formats. These are much simpler than the
// full log-scraping expressions because we do not need to extract
// file and line information.
this->RegexWarning.push_back("(^|[ :])[Ww][Aa][Rr][Nn][Ii][Nn][Gg]");
this->RegexWarning.push_back("(^|[ :])[Rr][Ee][Mm][Aa][Rr][Kk]");
this->RegexWarning.push_back("(^|[ :])[Nn][Oo][Tt][Ee]");
// Load custom match rules given to us by CTest.
this->LoadScrapeRules("Warning", this->RegexWarning);
this->LoadScrapeRules("WarningSuppress", this->RegexWarningSuppress);
}
//----------------------------------------------------------------------------
void
cmCTestLaunch
::LoadScrapeRules(const char* purpose,
std::vector<cmsys::RegularExpression>& regexps)
{
std::string fname = this->LogDir;
fname += "Custom";
fname += purpose;
fname += ".txt";
std::ifstream fin(fname.c_str(), std::ios::in | std::ios::binary);
std::string line;
cmsys::RegularExpression rex;
while(cmSystemTools::GetLineFromStream(fin, line))
{
if(rex.compile(line.c_str()))
{
regexps.push_back(rex);
}
}
}
//----------------------------------------------------------------------------
bool cmCTestLaunch::ScrapeLog(std::string const& fname)
{
this->LoadScrapeRules();
// Look for log file lines matching warning expressions but not
// suppression expressions.
std::ifstream fin(fname.c_str(), std::ios::in | std::ios::binary);
std::string line;
while(cmSystemTools::GetLineFromStream(fin, line))
{
if(this->Match(line.c_str(), this->RegexWarning) &&
!this->Match(line.c_str(), this->RegexWarningSuppress))
{
return true;
}
}
return false;
}
//----------------------------------------------------------------------------
bool cmCTestLaunch::Match(std::string const& line,
std::vector<cmsys::RegularExpression>& regexps)
{
for(std::vector<cmsys::RegularExpression>::iterator ri = regexps.begin();
ri != regexps.end(); ++ri)
{
if(ri->find(line.c_str()))
{
return true;
}
}
return false;
}
//----------------------------------------------------------------------------
int cmCTestLaunch::Main(int argc, const char* const argv[])
{
if(argc == 2)
{
std::cerr << "ctest --launch: this mode is for internal CTest use only"
<< std::endl;
return 1;
}
cmCTestLaunch self(argc, argv);
return self.Run();
}
//----------------------------------------------------------------------------
#include "cmGlobalGenerator.h"
#include "cmLocalGenerator.h"
#include "cmMakefile.h"
#include "cmake.h"
#include <cmsys/auto_ptr.hxx>
void cmCTestLaunch::LoadConfig()
{
cmake cm;
cmGlobalGenerator gg;
gg.SetCMakeInstance(&cm);
cmsys::auto_ptr<cmLocalGenerator> lg(gg.CreateLocalGenerator());
cmMakefile* mf = lg->GetMakefile();
std::string fname = this->LogDir;
fname += "CTestLaunchConfig.cmake";
if(cmSystemTools::FileExists(fname.c_str()) &&
mf->ReadListFile(0, fname.c_str()))
{
this->SourceDir = mf->GetSafeDefinition("CTEST_SOURCE_DIRECTORY");
cmSystemTools::ConvertToUnixSlashes(this->SourceDir);
}
}