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CMake/Source/cmMakefile.cxx

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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2000 National Library of Medicine
All rights reserved.
See COPYRIGHT.txt for copyright details.
=========================================================================*/
#include "cmMakefile.h"
#include "cmCommand.h"
#include "cmStandardIncludes.h"
#include "cmSourceFile.h"
#include "cmDirectory.h"
#include "cmSystemTools.h"
#include "cmMakefileGenerator.h"
#include "cmCommands.h"
#include "cmCacheManager.h"
#include "cmFunctionBlocker.h"
// default is not to be building executables
cmMakefile::cmMakefile()
{
// Setup the default include file regular expression.
// Should be changed to something like "\\.(h|hh|hpp|hxx)$" or "^.*$"
m_IncludeFileRegularExpression = "^itk|^vtk|^vnl|^vcl|^f2c";
m_DefineFlags = " ";
m_MakefileGenerator = 0;
this->AddSourceGroup("", "^.*$");
this->AddSourceGroup("Source Files", "\\.(cpp|C|c|cxx|rc|def|r|odl|idl|hpj|bat)$");
this->AddSourceGroup("Header Files", "\\.(h|hh|hpp|hxx|hm|inl)$");
this->AddDefaultCommands();
this->AddDefaultDefinitions();
}
void cmMakefile::AddDefaultCommands()
{
std::list<cmCommand*> commands;
GetPredefinedCommands(commands);
for(std::list<cmCommand*>::iterator i = commands.begin();
i != commands.end(); ++i)
{
this->AddCommand(*i);
}
#ifdef _WIN32
this->AddDefinition("WIN32", "1");
#else
this->AddDefinition("UNIX", "1");
#endif
// Cygwin is more like unix so enable the unix commands
#if defined(__CYGWIN__)
this->AddDefinition("UNIX", "1");
#endif
}
cmMakefile::~cmMakefile()
{
for(unsigned int i=0; i < m_UsedCommands.size(); i++)
{
delete m_UsedCommands[i];
}
for(RegisteredCommandsMap::iterator j = m_Commands.begin();
j != m_Commands.end(); ++j)
{
delete (*j).second;
}
delete m_MakefileGenerator;
}
void cmMakefile::PrintStringVector(const char* s, const std::vector<std::string>& v) const
{
std::cout << s << ": ( \n";
for(std::vector<std::string>::const_iterator i = v.begin();
i != v.end(); ++i)
{
std::cout << (*i).c_str() << " ";
}
std::cout << " )\n";
}
// call print on all the classes in the makefile
void cmMakefile::Print() const
{
// print the class lists
std::cout << "classes:\n";
for(SourceMap::const_iterator l = m_Sources.begin();
l != m_Sources.end(); l++)
{
std::cout << " Class list named: " << l->first << std::endl;
for(std::vector<cmSourceFile>::const_iterator i = l->second.begin();
i != l->second.end(); i++)
{
i->Print();
}
}
std::cout << " m_Targets: ";
for (cmTargets::const_iterator l = m_Targets.begin();
l != m_Targets.end(); l++)
{
std::cout << l->first << std::endl;
}
std::cout << " m_CurrentOutputDirectory; " <<
m_CurrentOutputDirectory.c_str() << std::endl;
std::cout << " m_StartOutputDirectory; " <<
m_StartOutputDirectory.c_str() << std::endl;
std::cout << " m_HomeOutputDirectory; " <<
m_HomeOutputDirectory.c_str() << std::endl;
std::cout << " m_cmCurrentDirectory; " <<
m_cmCurrentDirectory.c_str() << std::endl;
std::cout << " m_cmStartDirectory; " <<
m_cmStartDirectory.c_str() << std::endl;
std::cout << " m_cmHomeDirectory; " <<
m_cmHomeDirectory.c_str() << std::endl;
std::cout << " m_ProjectName; " << m_ProjectName.c_str() << std::endl;
this->PrintStringVector("m_SubDirectories ", m_SubDirectories);
this->PrintStringVector("m_MakeVerbatim ", m_MakeVerbatim);
this->PrintStringVector("m_IncludeDirectories;", m_IncludeDirectories);
this->PrintStringVector("m_LinkDirectories", m_LinkDirectories);
this->PrintStringVector("m_LinkLibraries", m_LinkLibraries);
this->PrintStringVector("m_LinkLibrariesWin32", m_LinkLibrariesWin32);
this->PrintStringVector("m_LinkLibrariesUnix", m_LinkLibrariesUnix);
this->PrintStringVector("m_Utilities", m_Utilities);
this->PrintStringVector("m_UtilityDirectories", m_UtilityDirectories);
}
// Parse the given CMakeLists.txt file into a list of classes.
// Reads in current CMakeLists file and all parent CMakeLists files
// executing all inherited commands in the parents
bool cmMakefile::ReadListFile(const char* filename)
{
// is there a parent CMakeLists file that does not go beyond the
// Home directory? if so recurse and read in that List file
std::string parentList = this->GetParentListFileName(filename);
if (parentList != "")
{
// save the current directory
std::string srcdir = m_cmCurrentDirectory;
std::string bindir = m_CurrentOutputDirectory;
// compute the new current directories
std::string::size_type pos = m_cmCurrentDirectory.rfind('/');
if(pos != std::string::npos)
{
m_cmCurrentDirectory = m_cmCurrentDirectory.substr(0, pos);
}
pos = m_CurrentOutputDirectory.rfind('/');
if(pos != std::string::npos)
{
m_CurrentOutputDirectory = m_CurrentOutputDirectory.substr(0, pos);
}
this->ReadListFile(parentList.c_str());
// restore the current directory
m_cmCurrentDirectory = srcdir;
m_CurrentOutputDirectory = bindir;
}
// are we at the start CMakeLists file or are we processing a parent
// lists file
bool inheriting = (m_cmCurrentDirectory != m_cmStartDirectory);
// Now read the input file
std::ifstream fin(filename);
if(!fin)
{
cmSystemTools::Error("error can not open file ", filename);
return false;
}
std::string name;
std::vector<std::string> arguments;
while ( fin )
{
if(cmSystemTools::ParseFunction(fin, name, arguments) &&
!this->IsFunctionBlocked(name.c_str(),arguments))
{
// Special command that needs to be removed when
// ADD_COMMAND is implemented
if(name == "VERBATIM")
{
if (!inheriting)
{
m_MakeVerbatim = arguments;
}
}
else
{
RegisteredCommandsMap::iterator pos = m_Commands.find(name);
if(pos != m_Commands.end())
{
cmCommand* rm = (*pos).second;
cmCommand* usedCommand = rm->Clone();
usedCommand->SetMakefile(this);
bool keepCommand = false;
if(usedCommand->GetEnabled())
{
// if not running in inherit mode or
// if the command is inherited then Invoke it.
if(!inheriting || usedCommand->IsInherited())
{
if(!usedCommand->Invoke(arguments))
{
cmSystemTools::Error(usedCommand->GetName(),
": Error : \n",
usedCommand->GetError(),
m_cmCurrentDirectory.c_str());
}
else
{
// use the command
keepCommand = true;
m_UsedCommands.push_back(usedCommand);
}
}
}
// if the Cloned command was not used
// then delete it
if(!keepCommand)
{
delete usedCommand;
}
}
else
{
cmSystemTools::Error("unknown CMake command ", name.c_str());
}
}
}
}
return true;
}
cmSourceFile *cmMakefile::GetSource(const char *srclist, const char *cname)
{
SourceMap::iterator sl = m_Sources.find(srclist);
// find the src list
if (sl == m_Sources.end())
{
return 0;
}
// find the class
for (std::vector<cmSourceFile>::iterator i = sl->second.begin();
i != sl->second.end(); ++i)
{
if (i->GetSourceName() == cname)
{
return &(*i);
}
}
return 0;
}
void cmMakefile::AddCommand(cmCommand* wg)
{
std::string name = wg->GetName();
m_Commands.insert( RegisteredCommandsMap::value_type(name, wg));
}
// Set the make file
void cmMakefile::SetMakefileGenerator(cmMakefileGenerator* mf)
{
delete m_MakefileGenerator;
m_MakefileGenerator = mf;
}
// Generate the output file
void cmMakefile::GenerateMakefile()
{
// do all the variable expansions here
this->ExpandVariables();
// set the makefile on the generator
m_MakefileGenerator->SetMakefile(this);
// give all the commands a chance to do something
// after the file has been parsed before generation
for(std::vector<cmCommand*>::iterator i = m_UsedCommands.begin();
i != m_UsedCommands.end(); ++i)
{
(*i)->FinalPass();
}
// now do the generation
m_MakefileGenerator->GenerateMakefile();
}
void cmMakefile::AddSource(cmSourceFile& cmfile, const char *srclist)
{
m_Sources[srclist].push_back(cmfile);
}
void cmMakefile::AddCustomCommand(const char* source,
const char* command,
const std::vector<std::string>& depends,
const std::vector<std::string>& outputs,
const char *target)
{
// find the target,
if (m_Targets.find(target) != m_Targets.end())
{
cmCustomCommand cc(source,command,depends,outputs);
m_Targets[target].GetCustomCommands().push_back(cc);
}
}
void cmMakefile::AddCustomCommand(const char* source,
const char* command,
const std::vector<std::string>& depends,
const char* output,
const char *target)
{
std::vector<std::string> outputs;
outputs.push_back(output);
this->AddCustomCommand(source, command, depends, outputs, target);
}
void cmMakefile::AddDefineFlag(const char* flag)
{
m_DefineFlags += " ";
m_DefineFlags += flag;
}
void cmMakefile::AddUtility(const char* util)
{
m_Utilities.push_back(util);
}
void cmMakefile::AddUtilityDirectory(const char* dir)
{
m_UtilityDirectories.push_back(dir);
}
void cmMakefile::AddLinkLibrary(const char* lib)
{
m_LinkLibraries.push_back(lib);
}
void cmMakefile::AddLinkDirectory(const char* dir)
{
m_LinkDirectories.push_back(dir);
}
void cmMakefile::AddSubDirectory(const char* sub)
{
m_SubDirectories.push_back(sub);
}
void cmMakefile::AddIncludeDirectory(const char* inc)
{
m_IncludeDirectories.push_back(inc);
}
void cmMakefile::AddDefinition(const char* name, const char* value)
{
m_Definitions.insert(DefinitionMap::value_type(name, value));
}
void cmMakefile::AddDefinition(const char* name, bool value)
{
if(value)
{
m_Definitions.insert(DefinitionMap::value_type(name, "ON"));
}
else
{
m_Definitions.insert(DefinitionMap::value_type(name, "OFF"));
}
}
void cmMakefile::SetProjectName(const char* p)
{
m_ProjectName = p;
}
void cmMakefile::AddLibrary(const char* lname, const std::vector<std::string> &srcs)
{
cmTarget target;
target.SetIsALibrary(1);
target.GetSourceLists() = srcs;
m_Targets.insert(cmTargets::value_type(lname,target));
}
void cmMakefile::AddExecutable(const char *exeName,
const std::vector<std::string> &srcs)
{
cmTarget target;
target.SetIsALibrary(0);
target.GetSourceLists() = srcs;
m_Targets.insert(cmTargets::value_type(exeName,target));
}
void cmMakefile::AddSourceGroup(const char* name, const char* regex)
{
// First see if the group exists. If so, replace its regular expression.
for(std::vector<cmSourceGroup>::iterator sg = m_SourceGroups.begin();
sg != m_SourceGroups.end(); ++sg)
{
std::string sgName = sg->GetName();
if(sgName == name)
{
// We only want to set the regular expression. If there are already
// source files in the group, we don't want to remove them.
sg->SetGroupRegex(regex);
return;
}
}
// The group doesn't exist. Add it.
m_SourceGroups.push_back(cmSourceGroup(name, regex));
}
void cmMakefile::AddExtraDirectory(const char* dir)
{
m_AuxSourceDirectories.push_back(dir);
}
// return the file name for the parent CMakeLists file to the
// one passed in. Zero is returned if the CMakeLists file is the
// one in the home directory or if for some reason a parent cmake lists
// file cannot be found.
std::string cmMakefile::GetParentListFileName(const char *currentFileName)
{
// extract the directory name
std::string parentFile;
std::string listsDir = currentFileName;
std::string::size_type pos = listsDir.rfind('/');
// if we could not find the directory return 0
if(pos == std::string::npos)
{
return parentFile;
}
listsDir = listsDir.substr(0, pos);
// if we are in the home directory then stop, return 0
if(m_cmHomeDirectory == listsDir)
{
return parentFile;
}
// is there a parent directory we can check
pos = listsDir.rfind('/');
// if we could not find the directory return 0
if(pos == std::string::npos)
{
return parentFile;
}
listsDir = listsDir.substr(0, pos);
// is there a CMakeLists.txt file in the parent directory ?
parentFile = listsDir;
parentFile += "/CMakeLists.txt";
if(!cmSystemTools::FileExists(parentFile.c_str()))
{
parentFile = "";
return parentFile;
}
return parentFile;
}
// expance CMAKE_BINARY_DIR and CMAKE_SOURCE_DIR in the
// include and library directories.
void cmMakefile::ExpandVariables()
{
// Now expand varibles in the include and link strings
std::vector<std::string>::iterator j, begin, end;
begin = m_IncludeDirectories.begin();
end = m_IncludeDirectories.end();
for(j = begin; j != end; ++j)
{
this->ExpandVariablesInString(*j);
}
begin = m_LinkDirectories.begin();
end = m_LinkDirectories.end();
for(j = begin; j != end; ++j)
{
this->ExpandVariablesInString(*j);
}
begin = m_LinkLibraries.begin();
end = m_LinkLibraries.end();
for(j = begin; j != end; ++j)
{
this->ExpandVariablesInString(*j);
}
}
const char* cmMakefile::GetDefinition(const char* name)
{
DefinitionMap::iterator pos = m_Definitions.find(name);
if(pos != m_Definitions.end())
{
return (*pos).second.c_str();
}
return 0;
}
int cmMakefile::DumpDocumentationToFile(const char *fileName)
{
// Open the supplied filename
std::ofstream f;
f.open(fileName, std::ios::out);
if ( f.fail() )
{
return 0;
}
// Loop over all registered commands and print out documentation
const char *name;
const char *terse;
const char *full;
for(RegisteredCommandsMap::iterator j = m_Commands.begin();
j != m_Commands.end(); ++j)
{
name = (*j).second->GetName();
terse = (*j).second->GetTerseDocumentation();
full = (*j).second->GetFullDocumentation();
f << name << " - " << terse << std::endl
<< "Usage: " << full << std::endl << std::endl;
}
return 1;
}
void cmMakefile::ExpandVariablesInString(std::string& source) const
{
for(DefinitionMap::const_iterator i = m_Definitions.begin();
i != m_Definitions.end(); ++i)
{
std::string variable = "${";
variable += (*i).first;
variable += "}";
cmSystemTools::ReplaceString(source, variable.c_str(),
(*i).second.c_str());
variable = "@";
variable += (*i).first;
variable += "@";
cmSystemTools::ReplaceString(source, variable.c_str(),
(*i).second.c_str());
}
}
// recursive function to create a vector of cmMakefile objects
// This is done by reading the sub directory CMakeLists.txt files,
// then calling this function with the new cmMakefile object
void
cmMakefile::FindSubDirectoryCMakeListsFiles(std::vector<cmMakefile*>&
makefiles)
{
// loop over all the sub directories of this makefile
const std::vector<std::string>& subdirs = this->GetSubDirectories();
for(std::vector<std::string>::const_iterator i = subdirs.begin();
i != subdirs.end(); ++i)
{
std::string subdir = *i;
// Create a path to the list file in the sub directory
std::string listFile = this->GetCurrentDirectory();
listFile += "/";
listFile += subdir;
listFile += "/CMakeLists.txt";
// if there is a CMakeLists.txt file read it
if(!cmSystemTools::FileExists(listFile.c_str()))
{
cmSystemTools::Error("CMakeLists.txt file missing from sub directory:",
listFile.c_str());
}
else
{
cmMakefile* mf = new cmMakefile;
makefiles.push_back(mf);
// initialize new makefile
mf->SetHomeOutputDirectory(this->GetHomeOutputDirectory());
mf->SetHomeDirectory(this->GetHomeDirectory());
// add the subdir to the start output directory
std::string outdir = this->GetStartOutputDirectory();
outdir += "/";
outdir += subdir;
mf->SetStartOutputDirectory(outdir.c_str());
// add the subdir to the start source directory
std::string currentDir = this->GetStartDirectory();
currentDir += "/";
currentDir += subdir;
mf->SetStartDirectory(currentDir.c_str());
// Parse the CMakeLists.txt file
currentDir += "/CMakeLists.txt";
mf->MakeStartDirectoriesCurrent();
mf->ReadListFile(currentDir.c_str());
// recurse into nextDir
mf->FindSubDirectoryCMakeListsFiles(makefiles);
}
}
}
void cmMakefile::GenerateCacheOnly()
{
std::vector<cmMakefile*> makefiles;
this->FindSubDirectoryCMakeListsFiles(makefiles);
for(unsigned int i =0; i < makefiles.size(); ++i)
{
delete makefiles[i];
}
}
/**
* Add the default definitions to the makefile. These values must not
* be dependent on anything that isn't known when this cmMakefile instance
* is constructed.
*/
void cmMakefile::AddDefaultDefinitions()
{
#if defined(_WIN32) && !defined(__CYGWIN__)
this->AddDefinition("CMAKE_CFG_OUTDIR","$(OUTDIR)");
#else
this->AddDefinition("CMAKE_CFG_OUTDIR",".");
#endif
}
/**
* Find a source group whose regular expression matches the filename
* part of the given source name. Search backward through the list of
* source groups, and take the first matching group found. This way
* non-inherited SOURCE_GROUP commands will have precedence over
* inherited ones.
*/
cmSourceGroup&
cmMakefile::FindSourceGroup(const char* source,
std::vector<cmSourceGroup> &groups)
{
std::string file = source;
std::string::size_type pos = file.rfind('/');
if(pos != std::string::npos)
{
file = file.substr(pos, file.length()-pos);
}
for(std::vector<cmSourceGroup>::reverse_iterator sg = groups.rbegin();
sg != groups.rend(); ++sg)
{
if(sg->Matches(file.c_str()))
{
return *sg;
}
}
// Shouldn't get here, but just in case, return the default group.
return groups.front();
}
bool cmMakefile::IsFunctionBlocked(const char *name,
std::vector<std::string> &args) const
{
// loop over all function blockers to see if any block this command
std::set<cmFunctionBlocker *>::const_iterator pos;
for (pos = m_FunctionBlockers.begin();
pos != m_FunctionBlockers.end(); ++pos)
{
if ((*pos)->IsFunctionBlocked(name, args, *this))
{
return true;
}
}
return false;
}
void cmMakefile::RemoveFunctionBlocker(const char *name,
const std::vector<std::string> &args)
{
// loop over all function blockers to see if any block this command
std::set<cmFunctionBlocker *>::const_iterator pos;
for (pos = m_FunctionBlockers.begin();
pos != m_FunctionBlockers.end(); ++pos)
{
if ((*pos)->ShouldRemove(name, args, *this))
{
m_FunctionBlockers.erase(*pos);
return;
}
}
return;
}
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