Add actual automoc code from automoc

It already works :-)
Needs more refactoring, e.g. using the cmake facilities to turn a string
into a vector etc.
Also still missing is the part which creates the custom target.

Alex
This commit is contained in:
Alex Neundorf 2011-08-08 15:20:13 +02:00
parent d1c0a5fce6
commit d65689a3bd
2 changed files with 594 additions and 11 deletions

View File

@ -5,7 +5,13 @@
#include "cmQtAutomoc.h"
#define TRACE_LINE() printf(" %s %d\n", __PRETTY_FUNCTION__, __LINE__)
cmQtAutomoc::cmQtAutomoc()
:Verbose(true)
,RunMocFailed(false)
,GenerateAll(false)
{
}
@ -19,9 +25,7 @@ bool cmQtAutomoc::Run(const char* targetDirectory)
this->ReadAutomocInfoFile(makefile, targetDirectory);
this->ReadOldMocDefinitionsFile(makefile, targetDirectory);
delete gg;
gg = NULL;
makefile = NULL;
this->Init();
if (this->QtMajorVersion == "4")
{
@ -29,6 +33,11 @@ bool cmQtAutomoc::Run(const char* targetDirectory)
}
this->WriteOldMocDefinitionsFile(targetDirectory);
delete gg;
gg = NULL;
makefile = NULL;
}
@ -59,7 +68,22 @@ bool cmQtAutomoc::ReadAutomocInfoFile(cmMakefile* makefile,
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->IncludeProjectDirsBefore = makefile->IsOn("AM_CMAKE_INCLUDE_DIRECTORIES_PROJECT_BEFORE");
this->Srcdir = makefile->GetSafeDefinition("AM_CMAKE_CURRENT_SOURCE_DIR");
this->Builddir = makefile->GetSafeDefinition("AM_CMAKE_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;
}
@ -71,20 +95,550 @@ bool cmQtAutomoc::ReadOldMocDefinitionsFile(cmMakefile* makefile,
cmSystemTools::ConvertToUnixSlashes(filename);
filename += "/AutomocOldMocDefinitions.cmake";
if (!makefile->ReadListFile(0, filename.c_str()))
if (makefile->ReadListFile(0, filename.c_str()))
{
cmSystemTools::Error("Error processing file:", filename.c_str());
this->OldMocDefinitionsStr =
makefile->GetSafeDefinition("AM_OLD_MOC_DEFINITIONS");
}
return true;
}
bool cmQtAutomoc::RunAutomocQt4()
{
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_base::out | std::ios_base::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.
std::map<std::string, std::string> includedMocs; // key = moc source filepath, value = moc output filepath
std::map<std::string, std::string> notIncludedMocs; // key = moc source filepath, value = moc output filename
cmsys::RegularExpression mocIncludeRegExp(
"[\n][ \t]*#[ \t]*include[ \t]+"
"[\"<](([^ \">]+/)?moc_[^ \">/]+\\.cpp|[^ \">]+\\.moc)[\">]");
cmsys::RegularExpression qObjectRegExp("[\n][ \t]*Q_OBJECT[^a-zA-Z0-9_]");
std::list<std::string> headerExtensions;
#if defined(_WIN32)
// not case sensitive
headerExtensions.push_back(".h");
headerExtensions.push_back(".hpp");
headerExtensions.push_back(".hxx");
#elif defined(__APPLE__)
headerExtensions.push_back(".h");
headerExtensions.push_back(".hpp");
headerExtensions.push_back(".hxx");
// 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");
headerExtensions.push_back(".hpp");
headerExtensions.push_back(".hxx");
headerExtensions.push_back(".H");
#endif
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)
{
printf("Checking -%s-\n", absFilename.c_str());
}
std::string extension = absFilename.substr(absFilename.find_last_of('.'));
if (extension == ".cpp" || extension == ".cc" || extension == ".mm"
|| extension == ".cxx" || extension == ".C")
{
const std::string contentsString = this->ReadAll(absFilename);
if (contentsString.empty())
{
std::cerr << "automoc4: empty source file: " << absFilename << std::endl;
continue;
}
const std::string absPath = cmsys::SystemTools::GetFilenamePath(
cmsys::SystemTools::GetRealPath(absFilename.c_str())) + '/';
int matchOffset = 0;
if (!mocIncludeRegExp.find(contentsString.c_str()))
{
// no moc #include, look whether we need to create a moc from the .h nevertheless
//std::cout << "no moc #include in the .cpp file";
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())
&& includedMocs.find(headername) == includedMocs.end()
&& notIncludedMocs.find(headername) == notIncludedMocs.end())
{
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;
}
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())
&& includedMocs.find(privateHeaderName) == includedMocs.end()
&& notIncludedMocs.find(privateHeaderName) == notIncludedMocs.end())
{
const std::string currentMoc = "moc_" + basename + "_p.cpp";
const std::string contents = this->ReadAll(privateHeaderName);
if (qObjectRegExp.find(contents))
{
//std::cout << "header contains Q_OBJECT macro";
notIncludedMocs[privateHeaderName] = currentMoc;
}
break;
}
}
}
else
{
// 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, else from the header.
//
// TODO: currently any .moc file name will be used if the source contains
// Q_OBJECT
if (moc_style || !qObjectRegExp.find(contentsString))
{
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;
notIncludedMocs.erase(sourceFilePath);
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;
notIncludedMocs.erase(sourceFilePath);
break;
}
}
if (!headerFound)
{
std::cerr << "automoc4: 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 << "automoc4: 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;
notIncludedMocs.erase(absFilename);
}
matchOffset += mocIncludeRegExp.end();
} while(mocIncludeRegExp.find(contentsString.c_str() + matchOffset));
}
}
else if (extension == ".h" || extension == ".hpp"
|| extension == ".hxx" || extension == ".H")
{
if (includedMocs.find(absFilename) == includedMocs.end()
&& notIncludedMocs.find(absFilename) == notIncludedMocs.end())
{
// if this header is not getting processed yet and is explicitly mentioned for the
// automoc the moc is run unconditionally on the header and the resulting file is
// included in the _automoc.cpp file (unless there's a .cpp file later on that
// includes the moc from this header)
const std::string currentMoc = "moc_" + cmsys::SystemTools::GetFilenameWithoutLastExtension(absFilename) + ".cpp";
notIncludedMocs[absFilename] = currentMoc;
}
}
else
{
if (this->Verbose)
{
std::cout << "automoc4: ignoring file '" << absFilename << "' with unknown suffix" << std::endl;
}
}
}
// 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)
{
// if any moc process failed we don't want to touch the _automoc.cpp file so that
// automoc4 is rerun until the issue is fixed
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;
}
}
// either the contents of the _automoc.cpp file or one of the mocs included by it have changed
// source file that includes all remaining moc files (_automoc.cpp file)
std::fstream outfile;
outfile.open(this->OutMocCppFilename.c_str(),
std::ios_base::out | std::ios_base::trunc);
outfile << automocSource;
outfile.close();
return true;
}
bool cmQtAutomoc::GenerateMoc(const std::string& sourceFile,
const std::string& mocFileName)
{
//std::cout << "AutoMoc::generateMoc" << sourceFile << mocFileName << std::endl;
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());
}
/* if (this->Verbose)
{
echoColor("Generating " + mocFilePath + " from " + sourceFile);
}
else
{
echoColor("Generating " + mocFileName);
}*/
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(int i=0; i<command.size(); i++)
{
printf("%s ", command[i].c_str());
}
printf("\n");
}
std::string output;
int retVal = 0;
const bool result = cmSystemTools::RunSingleCommand(command, &output, &retVal);
if (!result || retVal)
{
std::cerr << "automoc4: 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();
}

View File

@ -21,8 +21,37 @@ private:
void WriteOldMocDefinitionsFile(const char* targetDirectory);
bool RunAutomocQt4();
bool GenerateMoc(const std::string& sourceFile,
const std::string& mocFileName);
void Init();
std::string Join(const std::list<std::string>& lst, char separator);
bool EndsWith(const std::string& str, const std::string& with);
bool StartsWith(const std::string& str, const std::string& with);
std::string ReadAll(const std::string& filename);
std::string QtMajorVersion;
std::string Sources;
bool IncludeProjectDirsBefore;
std::string Srcdir;
std::string Builddir;
std::string MocExecutable;
std::string MocCompileDefinitionsStr;
std::string MocDefinitionsStr;
std::string MocIncludesStr;
std::string ProjectBinaryDir;
std::string ProjectSourceDir;
std::string TargetName;
std::string OldMocDefinitionsStr;
std::string OutMocCppFilename;
std::list<std::string> MocIncludes;
std::list<std::string> MocDefinitions;
bool Verbose;
bool RunMocFailed;
bool GenerateAll;
};