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"
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#include "cmXMLWriter.h"
#include "cmake.h"
#include <cmsys/FStream.hxx>
#include <cmsys/MD5.h>
#include <cmsys/Process.h>
#include <cmsys/RegularExpression.hxx>
#ifdef _WIN32
#include <fcntl.h> // for _O_BINARY
#include <io.h> // for _setmode
#include <stdio.h> // for std{out,err} and fileno
#endif
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);
cmSystemTools::RemoveFile(this->LogErr);
}
}
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,
DoingFilterPrefix
};
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 (strcmp(arg, "--filter-prefix") == 0) {
doing = DoingFilterPrefix;
} 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;
} else if (doing == DoingFilterPrefix) {
this->OptionFilterPrefix = 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)) {
cmsys::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()
{
// Ignore noopt make rules
if (this->RealArgs.empty() || this->RealArgs[0] == ":") {
this->ExitCode = 0;
return;
}
// Prepare to run the real command.
cmsysProcess* cp = this->Process;
cmsysProcess_SetCommand(cp, this->RealArgV);
cmsys::ofstream fout;
cmsys::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);
}
#ifdef _WIN32
// Do this so that newline transformation is not done when writing to cout
// and cerr below.
_setmode(fileno(stdout), _O_BINARY);
_setmode(fileno(stderr), _O_BINARY);
#endif
// 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.
cmsys::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());
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cmXMLWriter xml(fxml, 2);
xml.StartElement("Failure");
xml.Attribute("type", this->IsError() ? "Error" : "Warning");
this->WriteXMLAction(xml);
this->WriteXMLCommand(xml);
this->WriteXMLResult(xml);
this->WriteXMLLabels(xml);
xml.EndElement(); // Failure
}
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void cmCTestLaunch::WriteXMLAction(cmXMLWriter& xml)
{
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xml.Comment("Meta-information about the build action");
xml.StartElement("Action");
// TargetName
if (!this->OptionTargetName.empty()) {
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xml.Element("TargetName", this->OptionTargetName);
}
// Language
if (!this->OptionLanguage.empty()) {
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xml.Element("Language", this->OptionLanguage);
}
// 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, this->SourceDir)) {
source =
cmSystemTools::RelativePath(this->SourceDir.c_str(), source.c_str());
}
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xml.Element("SourceFile", source);
}
// OutputFile
if (!this->OptionOutput.empty()) {
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xml.Element("OutputFile", this->OptionOutput);
}
// 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) {
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xml.Element("OutputType", outputType);
}
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xml.EndElement(); // Action
}
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void cmCTestLaunch::WriteXMLCommand(cmXMLWriter& xml)
{
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xml.Comment("Details of command");
xml.StartElement("Command");
if (!this->CWD.empty()) {
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xml.Element("WorkingDirectory", this->CWD);
}
for (std::vector<std::string>::const_iterator ai = this->RealArgs.begin();
ai != this->RealArgs.end(); ++ai) {
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xml.Element("Argument", *ai);
}
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xml.EndElement(); // Command
}
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void cmCTestLaunch::WriteXMLResult(cmXMLWriter& xml)
{
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xml.Comment("Result of command");
xml.StartElement("Result");
// StdOut
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xml.StartElement("StdOut");
this->DumpFileToXML(xml, this->LogOut);
xml.EndElement(); // StdOut
// StdErr
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xml.StartElement("StdErr");
this->DumpFileToXML(xml, this->LogErr);
xml.EndElement(); // StdErr
// ExitCondition
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xml.StartElement("ExitCondition");
cmsysProcess* cp = this->Process;
switch (cmsysProcess_GetState(cp)) {
case cmsysProcess_State_Starting:
xml.Content("No process has been executed");
break;
case cmsysProcess_State_Executing:
xml.Content("The process is still executing");
break;
case cmsysProcess_State_Disowned:
xml.Content("Disowned");
break;
case cmsysProcess_State_Killed:
xml.Content("Killed by parent");
break;
case cmsysProcess_State_Expired:
xml.Content("Killed when timeout expired");
break;
case cmsysProcess_State_Exited:
xml.Content(this->ExitCode);
break;
case cmsysProcess_State_Exception:
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xml.Content("Terminated abnormally: ");
xml.Content(cmsysProcess_GetExceptionString(cp));
break;
case cmsysProcess_State_Error:
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xml.Content("Error administrating child process: ");
xml.Content(cmsysProcess_GetErrorString(cp));
break;
};
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xml.EndElement(); // ExitCondition
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xml.EndElement(); // Result
}
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void cmCTestLaunch::WriteXMLLabels(cmXMLWriter& xml)
{
this->LoadLabels();
if (!this->Labels.empty()) {
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xml.Comment("Interested parties");
xml.StartElement("Labels");
for (std::set<std::string>::const_iterator li = this->Labels.begin();
li != this->Labels.end(); ++li) {
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xml.Element("Label", *li);
}
xml.EndElement(); // Labels
}
}
void cmCTestLaunch::DumpFileToXML(cmXMLWriter& xml, std::string const& fname)
{
cmsys::ifstream fin(fname.c_str(), std::ios::in | std::ios::binary);
std::string line;
const char* sep = "";
while (cmSystemTools::GetLineFromStream(fin, line)) {
if (MatchesFilterPrefix(line)) {
continue;
}
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xml.Content(sep);
xml.Content(line);
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";
cmsys::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.
cmsys::ifstream fin(fname.c_str(), std::ios::in | std::ios::binary);
std::string line;
while (cmSystemTools::GetLineFromStream(fin, line)) {
if (MatchesFilterPrefix(line)) {
continue;
}
if (this->Match(line, this->RegexWarning) &&
!this->Match(line, 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;
}
bool cmCTestLaunch::MatchesFilterPrefix(std::string const& line) const
{
if (!this->OptionFilterPrefix.empty() &&
cmSystemTools::StringStartsWith(line.c_str(),
this->OptionFilterPrefix.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 "cmMakefile.h"
#include "cmake.h"
#include <cmsys/auto_ptr.hxx>
void cmCTestLaunch::LoadConfig()
{
cmake cm;
cm.SetHomeDirectory("");
cm.SetHomeOutputDirectory("");
cm.GetCurrentSnapshot().SetDefaultDefinitions();
cmGlobalGenerator gg(&cm);
cmsys::auto_ptr<cmMakefile> mf(new cmMakefile(&gg, cm.GetCurrentSnapshot()));
std::string fname = this->LogDir;
fname += "CTestLaunchConfig.cmake";
if (cmSystemTools::FileExists(fname.c_str()) &&
mf->ReadListFile(fname.c_str())) {
this->SourceDir = mf->GetSafeDefinition("CTEST_SOURCE_DIRECTORY");
cmSystemTools::ConvertToUnixSlashes(this->SourceDir);
}
}