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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2004-2011 Kitware, Inc.
Copyright 2011 Alexander Neundorf (neundorf@kde.org)
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 "cmGlobalGenerator.h"
#include "cmLocalGenerator.h"
#include "cmMakefile.h"
#include "cmSourceFile.h"
#include "cmSystemTools.h"
# include <cmsys/Terminal.h>
#include "cmQtAutomoc.h"
cmQtAutomoc::cmQtAutomoc()
:Verbose(cmsys::SystemTools::GetEnv("VERBOSE") != 0)
,ColorOutput(true)
,RunMocFailed(false)
,GenerateAll(false)
{
std::string colorEnv = "";
cmsys::SystemTools::GetEnv("COLOR", colorEnv);
if(!colorEnv.empty())
{
if(cmSystemTools::IsOn(colorEnv.c_str()))
{
this->ColorOutput = true;
}
else
{
this->ColorOutput = false;
}
}
}
void cmQtAutomoc::SetupAutomocTarget(cmTarget* target)
{
cmMakefile* makefile = target->GetMakefile();
const char* targetName = target->GetName();
// don't do anything if there is no Qt4:
std::string qtMajorVersion = makefile->GetSafeDefinition("QT_VERSION_MAJOR");
if (qtMajorVersion != "4")
{
return;
}
// create a custom target for running automoc at buildtime:
std::string automocTargetName = targetName;
automocTargetName += "_automoc";
std::string targetDir = makefile->GetCurrentOutputDirectory();
targetDir += makefile->GetCMakeInstance()->GetCMakeFilesDirectory();
targetDir += "/";
targetDir += automocTargetName;
targetDir += ".dir/";
cmCustomCommandLine currentLine;
currentLine.push_back(makefile->GetCMakeInstance()->GetCMakeCommand());
currentLine.push_back("-E");
currentLine.push_back("cmake_automoc");
currentLine.push_back(targetDir);
cmCustomCommandLines commandLines;
commandLines.push_back(currentLine);
std::string workingDirectory = cmSystemTools::CollapseFullPath(
"", makefile->GetCurrentOutputDirectory());
std::vector<std::string> depends;
std::string automocComment = "Automoc for target ";
automocComment += targetName;
makefile->AddUtilityCommand(automocTargetName.c_str(), true,
workingDirectory.c_str(), depends,
commandLines, false, automocComment.c_str());
target->AddUtility(automocTargetName.c_str());
// configure a file to get all information to automoc at buildtime:
std::string _moc_files;
std::string _moc_headers;
const char* sepFiles = "";
const char* sepHeaders = "";
const std::vector<cmSourceFile*>& srcFiles = target->GetSourceFiles();
for(std::vector<cmSourceFile*>::const_iterator fileIt = srcFiles.begin();
fileIt != srcFiles.end();
++fileIt)
{
cmSourceFile* sf = *fileIt;
std::string absFile = sf->GetFullPath();
bool skip = cmSystemTools::IsOn(sf->GetPropertyForUser("SKIP_AUTOMOC"));
bool generated = cmSystemTools::IsOn(sf->GetPropertyForUser("GENERATED"));
if ((skip==false) && (generated == false))
{
std::string ext = sf->GetExtension();
cmSystemTools::FileFormat fileType = cmSystemTools::GetFileFormat(
ext.c_str());
if (fileType == cmSystemTools::CXX_FILE_FORMAT)
{
_moc_files += sepFiles;
_moc_files += absFile;
sepFiles = ";";
}
else if (fileType == cmSystemTools::HEADER_FILE_FORMAT)
{
_moc_headers += sepHeaders;
_moc_headers += absFile;
sepHeaders = ";";
}
}
}
std::string _moc_incs = makefile->GetProperty("INCLUDE_DIRECTORIES");
std::string _moc_defs = makefile->GetProperty("DEFINITIONS");
std::string _moc_compile_defs = makefile->GetProperty("COMPILE_DEFINITIONS");
// forget the variables added here afterwards again:
cmMakefile::ScopePushPop varScope(makefile);
static_cast<void>(varScope);
makefile->AddDefinition("_moc_target_name", automocTargetName.c_str());
makefile->AddDefinition("_moc_incs", _moc_incs.c_str());
makefile->AddDefinition("_moc_defs", _moc_defs.c_str());
makefile->AddDefinition("_moc_compile_defs", _moc_compile_defs.c_str());
makefile->AddDefinition("_moc_files", _moc_files.c_str());
makefile->AddDefinition("_moc_headers", _moc_headers.c_str());
const char* cmakeRoot = makefile->GetDefinition("CMAKE_ROOT");
std::string inputFile = cmakeRoot;
inputFile += "/Modules/AutomocInfo.cmake.in";
std::string outputFile = targetDir;
outputFile += "/AutomocInfo.cmake";
makefile->ConfigureFile(inputFile.c_str(), outputFile.c_str(),
false, true, false);
std::string mocCppFile = makefile->GetCurrentOutputDirectory();
mocCppFile += "/";
mocCppFile += automocTargetName;
mocCppFile += ".cpp";
cmSourceFile* mocCppSource = makefile->GetOrCreateSource(mocCppFile.c_str(),
true);
target->AddSourceFile(mocCppSource);
makefile->AppendProperty("ADDITIONAL_MAKE_CLEAN_FILES",
mocCppFile.c_str(), false);
}
bool cmQtAutomoc::Run(const char* targetDirectory)
{
cmake cm;
cmGlobalGenerator* gg = this->CreateGlobalGenerator(&cm, targetDirectory);
cmMakefile* makefile = gg->GetCurrentLocalGenerator()->GetMakefile();
this->ReadAutomocInfoFile(makefile, targetDirectory);
this->ReadOldMocDefinitionsFile(makefile, targetDirectory);
this->Init();
if (this->QtMajorVersion == "4")
{
this->RunAutomocQt4();
}
this->WriteOldMocDefinitionsFile(targetDirectory);
delete gg;
gg = NULL;
makefile = NULL;
return true;
}
cmGlobalGenerator* cmQtAutomoc::CreateGlobalGenerator(cmake* cm,
const char* targetDirectory)
{
cmGlobalGenerator* gg = new cmGlobalGenerator();
gg->SetCMakeInstance(cm);
cmLocalGenerator* lg = gg->CreateLocalGenerator();
lg->GetMakefile()->SetHomeOutputDirectory(targetDirectory);
lg->GetMakefile()->SetStartOutputDirectory(targetDirectory);
lg->GetMakefile()->SetHomeDirectory(targetDirectory);
lg->GetMakefile()->SetStartDirectory(targetDirectory);
gg->SetCurrentLocalGenerator(lg);
return gg;
}
bool cmQtAutomoc::ReadAutomocInfoFile(cmMakefile* makefile,
const char* targetDirectory)
{
std::string filename(cmSystemTools::CollapseFullPath(targetDirectory));
cmSystemTools::ConvertToUnixSlashes(filename);
filename += "/AutomocInfo.cmake";
if (!makefile->ReadListFile(0, filename.c_str()))
{
cmSystemTools::Error("Error processing file:", filename.c_str());
return false;
}
this->QtMajorVersion = makefile->GetSafeDefinition("AM_QT_VERSION_MAJOR");
this->Sources = makefile->GetSafeDefinition("AM_SOURCES");
this->Headers = makefile->GetSafeDefinition("AM_HEADERS");
this->IncludeProjectDirsBefore = makefile->IsOn(
"AM_CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE");
this->Srcdir = makefile->GetSafeDefinition("AM_CMAKE_CURRENT_SOURCE_DIR");
this->Builddir = makefile->GetSafeDefinition("AM_CMAKE_CURRENT_BINARY_DIR");
this->MocExecutable = makefile->GetSafeDefinition("AM_QT_MOC_EXECUTABLE");
this->MocCompileDefinitionsStr = makefile->GetSafeDefinition(
"AM_MOC_COMPILE_DEFINITIONS");
this->MocDefinitionsStr = makefile->GetSafeDefinition("AM_MOC_DEFINITIONS");
this->MocIncludesStr = makefile->GetSafeDefinition("AM_MOC_INCLUDES");
this->ProjectBinaryDir = makefile->GetSafeDefinition("AM_CMAKE_BINARY_DIR");
this->ProjectSourceDir = makefile->GetSafeDefinition("AM_CMAKE_SOURCE_DIR");
this->TargetName = makefile->GetSafeDefinition("AM_TARGET_NAME");
return true;
}
bool cmQtAutomoc::ReadOldMocDefinitionsFile(cmMakefile* makefile,
const char* targetDirectory)
{
std::string filename(cmSystemTools::CollapseFullPath(targetDirectory));
cmSystemTools::ConvertToUnixSlashes(filename);
filename += "/AutomocOldMocDefinitions.cmake";
if (makefile->ReadListFile(0, filename.c_str()))
{
this->OldMocDefinitionsStr =
makefile->GetSafeDefinition("AM_OLD_MOC_DEFINITIONS");
}
return true;
}
void cmQtAutomoc::WriteOldMocDefinitionsFile(const char* targetDirectory)
{
std::string filename(cmSystemTools::CollapseFullPath(targetDirectory));
cmSystemTools::ConvertToUnixSlashes(filename);
filename += "/AutomocOldMocDefinitions.cmake";
std::fstream outfile;
outfile.open(filename.c_str(),
std::ios::out | std::ios::trunc);
outfile << "set(AM_OLD_MOC_DEFINITIONS \""
<< this->Join(this->MocDefinitions, ' ') << "\")\n";
outfile.close();
}
void cmQtAutomoc::Init()
{
this->OutMocCppFilename = this->Builddir;
this->OutMocCppFilename += this->TargetName;
this->OutMocCppFilename += ".cpp";
std::vector<std::string> cdefList;
cmSystemTools::ExpandListArgument(this->MocCompileDefinitionsStr, cdefList);
if (!cdefList.empty())
{
for(std::vector<std::string>::const_iterator it = cdefList.begin();
it != cdefList.end();
++it)
{
this->MocDefinitions.push_back("-D" + (*it));
}
}
else
{
std::string tmpMocDefs = this->MocDefinitionsStr;
cmSystemTools::ReplaceString(tmpMocDefs, " ", ";");
std::vector<std::string> defList;
cmSystemTools::ExpandListArgument(tmpMocDefs, defList);
for(std::vector<std::string>::const_iterator it = defList.begin();
it != defList.end();
++it)
{
if (this->StartsWith(*it, "-D"))
{
this->MocDefinitions.push_back(*it);
}
}
}
std::vector<std::string> incPaths;
cmSystemTools::ExpandListArgument(this->MocIncludesStr, incPaths);
std::set<std::string> frameworkPaths;
for(std::vector<std::string>::const_iterator it = incPaths.begin();
it != incPaths.end();
++it)
{
const std::string &path = *it;
this->MocIncludes.push_back("-I" + path);
if (this->EndsWith(path, ".framework/Headers"))
{
// Go up twice to get to the framework root
std::vector<std::string> pathComponents;
cmsys::SystemTools::SplitPath(path.c_str(), pathComponents);
std::string frameworkPath =cmsys::SystemTools::JoinPath(
pathComponents.begin(), pathComponents.end() - 2);
frameworkPaths.insert(frameworkPath);
}
}
for (std::set<std::string>::const_iterator it = frameworkPaths.begin();
it != frameworkPaths.end(); ++it)
{
this->MocIncludes.push_back("-F");
this->MocIncludes.push_back(*it);
}
if (this->IncludeProjectDirsBefore)
{
const std::string &binDir = "-I" + this->ProjectBinaryDir;
const std::string srcDir = "-I" + this->ProjectSourceDir;
std::list<std::string> sortedMocIncludes;
std::list<std::string>::iterator it = this->MocIncludes.begin();
while (it != this->MocIncludes.end())
{
if (this->StartsWith(*it, binDir))
{
sortedMocIncludes.push_back(*it);
it = this->MocIncludes.erase(it);
}
else
{
++it;
}
}
it = this->MocIncludes.begin();
while (it != this->MocIncludes.end())
{
if (this->StartsWith(*it, srcDir))
{
sortedMocIncludes.push_back(*it);
it = this->MocIncludes.erase(it);
}
else
{
++it;
}
}
sortedMocIncludes.insert(sortedMocIncludes.end(),
this->MocIncludes.begin(), this->MocIncludes.end());
this->MocIncludes = sortedMocIncludes;
}
}
bool cmQtAutomoc::RunAutomocQt4()
{
if (!cmsys::SystemTools::FileExists(this->OutMocCppFilename.c_str())
|| (this->OldMocDefinitionsStr != this->Join(this->MocDefinitions, ' ')))
{
this->GenerateAll = true;
}
// the program goes through all .cpp files to see which moc files are
// included. It is not really interesting how the moc file is named, but
// what file the moc is created from. Once a moc is included the same moc
// may not be included in the _automoc.cpp file anymore. OTOH if there's a
// header containing Q_OBJECT where no corresponding moc file is included
// anywhere a moc_<filename>.cpp file is created and included in
// the _automoc.cpp file.
// key = moc source filepath, value = moc output filepath
std::map<std::string, std::string> includedMocs;
// collect all headers which may need to be mocced
std::set<std::string> headerFiles;
std::vector<std::string> sourceFiles;
cmSystemTools::ExpandListArgument(this->Sources, sourceFiles);
for (std::vector<std::string>::const_iterator it = sourceFiles.begin();
it != sourceFiles.end();
++it)
{
const std::string &absFilename = *it;
if (this->Verbose)
{
std::cout << "AUTOMOC: Checking " << absFilename << std::endl;
}
this->ParseCppFile(absFilename, includedMocs, headerFiles);
}
std::vector<std::string> headerFilesVec;
cmSystemTools::ExpandListArgument(this->Headers, headerFilesVec);
for (std::vector<std::string>::const_iterator it = headerFilesVec.begin();
it != headerFilesVec.end();
++it)
{
headerFiles.insert(*it);
}
// key = moc source filepath, value = moc output filename
std::map<std::string, std::string> notIncludedMocs;
this->ParseHeaders(headerFiles, includedMocs, notIncludedMocs);
// run moc on all the moc's that are #included in source files
for(std::map<std::string, std::string>::const_iterator
it = includedMocs.begin();
it != includedMocs.end();
++it)
{
this->GenerateMoc(it->first, it->second);
}
std::stringstream outStream(std::stringstream::out);
outStream << "/* This file is autogenerated, do not edit*/\n";
bool automocCppChanged = false;
if (notIncludedMocs.empty())
{
outStream << "enum some_compilers { need_more_than_nothing };\n";
}
else
{
// run moc on the remaining headers and include them in
// the _automoc.cpp file
for(std::map<std::string, std::string>::const_iterator
it = notIncludedMocs.begin();
it != notIncludedMocs.end();
++it)
{
bool mocSuccess = this->GenerateMoc(it->first, it->second);
if (mocSuccess)
{
automocCppChanged = true;
}
outStream << "#include \"" << it->second << "\"\n";
}
}
if (this->RunMocFailed)
{
std::cerr << "returning failed.."<< std::endl;
return false;
}
outStream.flush();
std::string automocSource = outStream.str();
if (!automocCppChanged)
{
// compare contents of the _automoc.cpp file
const std::string oldContents = this->ReadAll(this->OutMocCppFilename);
if (oldContents == automocSource)
{
// nothing changed: don't touch the _automoc.cpp file
return true;
}
}
// source file that includes all remaining moc files (_automoc.cpp file)
std::fstream outfile;
outfile.open(this->OutMocCppFilename.c_str(),
std::ios::out | std::ios::trunc);
outfile << automocSource;
outfile.close();
return true;
}
void cmQtAutomoc::ParseCppFile(const std::string& absFilename,
std::map<std::string, std::string>& includedMocs,
std::set<std::string>& absHeaders)
{
cmsys::RegularExpression mocIncludeRegExp(
"[\n][ \t]*#[ \t]*include[ \t]+"
"[\"<](([^ \">]+/)?moc_[^ \">/]+\\.cpp|[^ \">]+\\.moc)[\">]");
std::list<std::string> headerExtensions;
headerExtensions.push_back(".h");
headerExtensions.push_back(".hpp");
headerExtensions.push_back(".hxx");
#if defined(_WIN32)
// not case sensitive, don't add ".H"
#elif defined(__APPLE__)
// detect case-sensitive filesystem
long caseSensitive = pathconf(this->Srcdir.c_str(), _PC_CASE_SENSITIVE);
if (caseSensitive == 1)
{
headerExtensions.push_back(".H");
}
#else
headerExtensions.push_back(".H");
#endif
const std::string contentsString = this->ReadAll(absFilename);
if (contentsString.empty())
{
std::cerr << "AUTOMOC: empty source file: " << absFilename << std::endl;
return;
}
const std::string absPath = cmsys::SystemTools::GetFilenamePath(
cmsys::SystemTools::GetRealPath(absFilename.c_str())) + '/';
std::string::size_type matchOffset = 0;
if (mocIncludeRegExp.find(contentsString.c_str()))
{
// for every moc include in the file
do
{
const std::string currentMoc = mocIncludeRegExp.match(1);
//std::cout << "found moc include: " << currentMoc << std::endl;
std::string basename = cmsys::SystemTools::
GetFilenameWithoutLastExtension(currentMoc);
const bool moc_style = this->StartsWith(basename, "moc_");
// If the moc include is of the moc_foo.cpp style we expect
// the Q_OBJECT class declaration in a header file.
// If the moc include is of the foo.moc style we need to look for
// a Q_OBJECT macro in the current source file, if it contains the
// macro we generate the moc file from the source file.
// Q_OBJECT
if (moc_style)
{
// basename should be the part of the moc filename used for
// finding the correct header, so we need to remove the moc_ part
basename = basename.substr(4);
bool headerFound = false;
for(std::list<std::string>::const_iterator ext =
headerExtensions.begin();
ext != headerExtensions.end();
++ext)
{
const std::string &sourceFilePath = absPath + basename + (*ext);
if (cmsys::SystemTools::FileExists(sourceFilePath.c_str()))
{
headerFound = true;
includedMocs[sourceFilePath] = currentMoc;
break;
}
}
if (!headerFound)
{
// the moc file is in a subdir => look for the header in the
// same subdir
if (currentMoc.find_first_of('/') != std::string::npos)
{
const std::string &filepath = absPath
+ cmsys::SystemTools::GetFilenamePath(currentMoc)
+ '/' + basename;
for(std::list<std::string>::const_iterator ext =
headerExtensions.begin();
ext != headerExtensions.end();
++ext)
{
const std::string &sourceFilePath = filepath + (*ext);
if (cmsys::SystemTools::FileExists(sourceFilePath.c_str()))
{
headerFound = true;
includedMocs[sourceFilePath] = currentMoc;
break;
}
}
if (!headerFound)
{
std::cerr << "AUTOMOC: The file \"" << absFilename
<< "\" includes the moc file \"" << currentMoc
<< "\", but neither \"" << absPath << basename
<< '{' << this->Join(headerExtensions, ',')
<< "}\" nor \"" << filepath << '{'
<< this->Join(headerExtensions, ',') << '}'
<< "\" exist." << std::endl;
::exit(EXIT_FAILURE);
}
}
else
{
std::cerr << "AUTOMOC: The file \"" << absFilename
<< "\" includes the moc file \"" << currentMoc
<< "\", but \"" << absPath << basename << '{'
<< this->Join(headerExtensions, ',') << '}'
<< "\" does not exist." << std::endl;
::exit(EXIT_FAILURE);
}
}
}
else
{
includedMocs[absFilename] = currentMoc;
}
matchOffset += mocIncludeRegExp.end();
} while(mocIncludeRegExp.find(contentsString.c_str() + matchOffset));
}
// search for header files and private header files we may need to moc:
const std::string basename =
cmsys::SystemTools::GetFilenameWithoutLastExtension(absFilename);
for(std::list<std::string>::const_iterator ext = headerExtensions.begin();
ext != headerExtensions.end();
++ext)
{
const std::string headerName = absPath + basename + (*ext);
if (cmsys::SystemTools::FileExists(headerName.c_str()))
{
absHeaders.insert(headerName);
break;
}
}
for(std::list<std::string>::const_iterator ext = headerExtensions.begin();
ext != headerExtensions.end();
++ext)
{
const std::string privateHeaderName = absPath+basename+"_p"+(*ext);
if (cmsys::SystemTools::FileExists(privateHeaderName.c_str()))
{
absHeaders.insert(privateHeaderName);
break;
}
}
}
void cmQtAutomoc::ParseHeaders(const std::set<std::string>& absHeaders,
const std::map<std::string, std::string>& includedMocs,
std::map<std::string, std::string>& notIncludedMocs)
{
cmsys::RegularExpression qObjectRegExp("[\n][ \t]*Q_OBJECT[^a-zA-Z0-9_]");
for(std::set<std::string>::const_iterator hIt=absHeaders.begin();
hIt!=absHeaders.end();
++hIt)
{
const std::string& headerName = *hIt;
if (includedMocs.find(headerName) == includedMocs.end())
{
if (this->Verbose)
{
std::cout << "AUTOMOC: Checking " << headerName << std::endl;
}
const std::string basename = cmsys::SystemTools::
GetFilenameWithoutLastExtension(headerName);
const std::string currentMoc = "moc_" + basename + ".cpp";
const std::string contents = this->ReadAll(headerName);
if (qObjectRegExp.find(contents))
{
//std::cout << "header contains Q_OBJECT macro";
notIncludedMocs[headerName] = currentMoc;
}
}
}
}
bool cmQtAutomoc::GenerateMoc(const std::string& sourceFile,
const std::string& mocFileName)
{
const std::string mocFilePath = this->Builddir + mocFileName;
int sourceNewerThanMoc = 0;
bool success = cmsys::SystemTools::FileTimeCompare(sourceFile.c_str(),
mocFilePath.c_str(),
&sourceNewerThanMoc);
if (this->GenerateAll || !success || sourceNewerThanMoc >= 0)
{
// make sure the directory for the resulting moc file exists
std::string mocDir = mocFilePath.substr(0, mocFilePath.rfind('/'));
if (!cmsys::SystemTools::FileExists(mocDir.c_str(), false))
{
cmsys::SystemTools::MakeDirectory(mocDir.c_str());
}
std::string msg = "Generating ";
msg += mocFileName;
cmSystemTools::MakefileColorEcho(cmsysTerminal_Color_ForegroundBlue
|cmsysTerminal_Color_ForegroundBold,
msg.c_str(), true, this->ColorOutput);
std::vector<cmStdString> command;
command.push_back(this->MocExecutable);
for (std::list<std::string>::const_iterator it = this->MocIncludes.begin();
it != this->MocIncludes.end();
++it)
{
command.push_back(*it);
}
for(std::list<std::string>::const_iterator it=this->MocDefinitions.begin();
it != this->MocDefinitions.end();
++it)
{
command.push_back(*it);
}
#ifdef _WIN32
command.push_back("-DWIN32");
#endif
command.push_back("-o");
command.push_back(mocFilePath);
command.push_back(sourceFile);
if (this->Verbose)
{
for(std::vector<cmStdString>::const_iterator cmdIt = command.begin();
cmdIt != command.end();
++cmdIt)
{
std::cout << *cmdIt << " ";
}
std::cout << std::endl;
}
std::string output;
int retVal = 0;
bool result = cmSystemTools::RunSingleCommand(command, &output, &retVal);
if (!result || retVal)
{
std::cerr << "AUTOMOC: process for " << mocFilePath << " failed:\n"
<< output << std::endl;
this->RunMocFailed = true;
cmSystemTools::RemoveFile(mocFilePath.c_str());
}
return true;
}
return false;
}
std::string cmQtAutomoc::Join(const std::list<std::string>& lst,char separator)
{
if (lst.empty())
{
return "";
}
std::string result;
for (std::list<std::string>::const_iterator it = lst.begin();
it != lst.end();
++it)
{
result += (*it) + separator;
}
result.erase(result.end() - 1);
return result;
}
bool cmQtAutomoc::StartsWith(const std::string& str, const std::string& with)
{
return (str.substr(0, with.length()) == with);
}
bool cmQtAutomoc::EndsWith(const std::string& str, const std::string& with)
{
if (with.length() > (str.length()))
{
return false;
}
return (str.substr(str.length() - with.length(), with.length()) == with);
}
std::string cmQtAutomoc::ReadAll(const std::string& filename)
{
std::ifstream file(filename.c_str());
std::stringstream stream;
stream << file.rdbuf();
file.close();
return stream.str();
}
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