CMake/Source/cmMakefile.cxx

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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
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Copyright (c) 2002 Insight Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
#include "cmMakefile.h"
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#include "cmCommand.h"
#include "cmStandardIncludes.h"
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#include "cmSourceFile.h"
#include "cmDirectory.h"
#include "cmSystemTools.h"
#include "cmMakefileGenerator.h"
#include "cmCommands.h"
#include "cmCacheManager.h"
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#include "cmFunctionBlocker.h"
#include "cmListFileCache.h"
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#include <stdio.h> // required for sprintf
// default is not to be building executables
cmMakefile::cmMakefile()
{
// Setup the default include file regular expression (match everything).
m_IncludeFileRegularExpression = "^.*$";
// Setup the default include complaint regular expression (match nothing).
m_ComplainFileRegularExpression = "^$";
// Source and header file extensions that we can handle
m_SourceFileExtensions.push_back( "cxx" );
m_SourceFileExtensions.push_back( "cpp" );
m_SourceFileExtensions.push_back( "c" );
m_SourceFileExtensions.push_back( "M" );
m_SourceFileExtensions.push_back( "m" );
m_SourceFileExtensions.push_back( "mm" );
m_HeaderFileExtensions.push_back( "h" );
m_HeaderFileExtensions.push_back( "txx" );
m_HeaderFileExtensions.push_back( "in" );
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)$");
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this->AddDefaultCommands();
this->AddDefaultDefinitions();
}
unsigned int cmMakefile::GetCacheMajorVersion()
{
if(!cmCacheManager::GetInstance()->
GetCacheValue("CMAKE_CACHE_MAJOR_VERSION"))
{
return 0;
}
return atoi(cmCacheManager::GetInstance()->
GetCacheValue("CMAKE_CACHE_MAJOR_VERSION"));
}
unsigned int cmMakefile::GetCacheMinorVersion()
{
if(!cmCacheManager::GetInstance()->
GetCacheValue("Cmake_Cache_MINOR_VERSION"))
{
return 0;
}
return atoi(cmCacheManager::GetInstance()->
GetCacheValue("CMAKE_CACHE_MINOR_VERSION"));
}
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void cmMakefile::AddDefaultCommands()
{
std::list<cmCommand*> commands;
GetPredefinedCommands(commands);
for(std::list<cmCommand*>::iterator i = commands.begin();
i != commands.end(); ++i)
{
this->AddCommand(*i);
}
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#if defined(_WIN32) || defined(__CYGWIN__)
this->AddDefinition("WIN32", "1");
#else
this->AddDefinition("UNIX", "1");
#endif
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// Cygwin is more like unix so enable the unix commands
#if defined(__CYGWIN__)
this->AddDefinition("UNIX", "1");
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this->AddDefinition("CYGWIN", "1");
#endif
#if defined(__APPLE__)
this->AddDefinition("APPLE", "1");
#endif
}
cmMakefile::~cmMakefile()
{
for(std::vector<cmSourceFile*>::iterator i = m_SourceFiles.begin();
i != m_SourceFiles.end(); ++i)
{
delete *i;
}
for(unsigned int i=0; i < m_UsedCommands.size(); i++)
{
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delete m_UsedCommands[i];
}
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for(RegisteredCommandsMap::iterator j = m_Commands.begin();
j != m_Commands.end(); ++j)
{
delete (*j).second;
}
for(DataMap::const_iterator d = m_DataMap.begin();
d != m_DataMap.end(); ++d)
{
if(d->second)
{
delete d->second;
}
}
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std::list<cmFunctionBlocker *>::iterator pos;
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for (pos = m_FunctionBlockers.begin();
pos != m_FunctionBlockers.end(); pos = m_FunctionBlockers.begin())
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{
cmFunctionBlocker* b = *pos;
m_FunctionBlockers.remove(*pos);
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delete b;
}
delete m_MakefileGenerator;
}
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void cmMakefile::PrintStringVector(const char* s, const std::vector<std::string>& v) const
{
std::cout << s << ": ( \n";
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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
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void cmMakefile::Print() const
{
// print the class lists
std::cout << "classes:\n";
std::cout << " m_Targets: ";
for (cmTargets::const_iterator l = m_Targets.begin();
l != m_Targets.end(); l++)
{
std::cout << l->first << std::endl;
}
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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;
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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_IncludeDirectories;", m_IncludeDirectories);
this->PrintStringVector("m_LinkDirectories", m_LinkDirectories);
for( std::vector<cmSourceGroup>::const_iterator i = m_SourceGroups.begin();
i != m_SourceGroups.end(); ++i)
{
i->Print();
}
}
bool cmMakefile::CommandExists(const char* name) const
{
return (m_Commands.find(name) != m_Commands.end());
}
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void cmMakefile::ExecuteCommand(std::string &name,
std::vector<std::string> const& arguments)
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{
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// quick return if blocked
if(this->IsFunctionBlocked(name.c_str(), arguments))
{
return;
}
// execute the command
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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 InitialPass it.
if(!m_Inheriting || usedCommand->IsInherited())
{
std::vector<std::string> expandedArguments;
for(std::vector<std::string>::const_iterator i = arguments.begin();
i != arguments.end(); ++i)
{
std::string tmps = *i;
this->ExpandVariablesInString(tmps);
if (tmps.find_first_not_of(" ") != std::string::npos)
{
// we found something in the args
expandedArguments.push_back(tmps);
}
}
if(!usedCommand->InitialPass(expandedArguments))
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{
std::string error;
error = usedCommand->GetName();
error += ": Error : \n";
error += usedCommand->GetError();
error += " from CMakeLists.txt file in directory: ";
error += m_cmCurrentDirectory;
cmSystemTools::Error(error.c_str());
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}
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 if((name == "CABLE_WRAP_TCL") || (name == "CABLE_CLASS_SET") ||
(name == "CONFIGURE_GCCXML"))
{
cmSystemTools::Error("The command ", name.c_str(),
" is not implemented in this version of CMake.\n"
"Contact cable@public.kitware.com for more information.");
}
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else
{
cmSystemTools::Error("unknown CMake command:", name.c_str(),
"\nReading cmake file in directory:" ,
m_cmCurrentDirectory.c_str());
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}
}
// Parse the given CMakeLists.txt file into a list of classes.
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// Reads in current CMakeLists file and all parent CMakeLists files
// executing all inherited commands in the parents
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//
// if external is non-zero, this means that we have branched to grab some
// commands from a remote list-file (that is, the equivalent of a
// #include has been called). We DO NOT look at the parents of this
// list-file, and for all other purposes, the name of this list-file
// is "filename" and not "external".
bool cmMakefile::ReadListFile(const char* filename, const char* external)
{
// used to watch for blockers going out of scope
// e.g. mismatched IF statement
std::set<cmFunctionBlocker *> originalBlockers;
// keep track of the current file being read
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if (filename)
{
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if(m_cmCurrentListFile != filename)
{
m_cmCurrentListFile = filename;
}
// loop over current function blockers and record them
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std::list<cmFunctionBlocker *>::iterator pos;
for (pos = m_FunctionBlockers.begin();
pos != m_FunctionBlockers.end(); ++pos)
{
originalBlockers.insert(*pos);
}
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}
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// if this is not a remote makefile
// (if it were, this would be called from the "filename" call,
// rather than the "external" call)
if (!external)
{
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// 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 != "")
{
std::string srcdir = m_cmCurrentDirectory;
std::string bindir = m_CurrentOutputDirectory;
std::string::size_type pos = parentList.rfind('/');
m_cmCurrentDirectory = parentList.substr(0, pos);
m_CurrentOutputDirectory = m_HomeOutputDirectory + parentList.substr(m_cmHomeDirectory.size(), pos - m_cmHomeDirectory.size());
// if not found, oops
if(pos == std::string::npos)
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{
cmSystemTools::Error("Trailing slash not found");
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}
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this->ReadListFile(parentList.c_str());
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// restore the current directory
m_cmCurrentDirectory = srcdir;
m_CurrentOutputDirectory = bindir;
}
}
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// are we at the start CMakeLists file or are we processing a parent
// lists file
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//
// this might, or might not be true, irrespective if we are
// off looking at an external makefile.
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m_Inheriting = (m_cmCurrentDirectory != m_cmStartDirectory);
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// Now read the input file
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const char *filenametoread= filename;
if( external)
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{
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filenametoread= external;
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}
cmListFile* lf =
cmListFileCache::GetInstance()->GetFileCache(filenametoread);
if(!lf)
{
return false;
}
// add this list file to the list of dependencies
m_ListFiles.push_back( filenametoread);
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const size_t numberFunctions = lf->m_Functions.size();
for(size_t i =0; i < numberFunctions; ++i)
{
cmListFileFunction& curFunction = lf->m_Functions[i];
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this->ExecuteCommand(curFunction.m_Name,
curFunction.m_Arguments);
}
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// send scope ended to and funciton blockers
if (filename)
{
// loop over all function blockers to see if any block this command
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std::list<cmFunctionBlocker *>::iterator pos;
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for (pos = m_FunctionBlockers.begin();
pos != m_FunctionBlockers.end(); ++pos)
{
// if this blocker was not in the original then send a
// scope ended message
if (originalBlockers.find(*pos) == originalBlockers.end())
{
(*pos)->ScopeEnded(*this);
}
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}
}
return true;
}
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void cmMakefile::AddCommand(cmCommand* wg)
{
std::string name = wg->GetName();
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m_Commands.insert( RegisteredCommandsMap::value_type(name, wg));
}
// Set the make file
void cmMakefile::SetMakefileGenerator(cmMakefileGenerator* mf)
{
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if(mf == m_MakefileGenerator)
{
return;
}
delete m_MakefileGenerator;
m_MakefileGenerator = mf;
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mf->SetMakefile(this);
}
void cmMakefile::FinalPass()
{
// do all the variable expansions here
this->ExpandVariables();
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// give all the commands a chance to do something
// after the file has been parsed before generation
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for(std::vector<cmCommand*>::iterator i = m_UsedCommands.begin();
i != m_UsedCommands.end(); ++i)
{
(*i)->FinalPass();
}
}
// Generate the output file
void cmMakefile::GenerateMakefile()
{
this->FinalPass();
const char* versionValue
= this->GetDefinition("CMAKE_MINIMUM_REQUIRED_VERSION");
bool oldVersion = (!versionValue || atof(versionValue) < 1.4);
// merge libraries
for (cmTargets::iterator l = m_Targets.begin();
l != m_Targets.end(); l++)
{
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l->second.GenerateSourceFilesFromSourceLists(*this);
// pick up any LINK_LIBRARIES that were added after the target
if(oldVersion)
{
this->AddGlobalLinkInformation(l->first.c_str(), l->second);
}
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l->second.AnalyzeLibDependencies(*this);
}
// now do the generation
m_MakefileGenerator->GenerateMakefile();
}
void cmMakefile::AddCustomCommand(const char* source,
const char* command,
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const std::vector<std::string>& commandArgs,
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())
{
std::string expandC = command;
this->ExpandVariablesInString(expandC);
std::string c = cmSystemTools::EscapeSpaces(expandC.c_str());
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std::string combinedArgs;
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unsigned int i;
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for (i = 0; i < commandArgs.size(); ++i)
{
combinedArgs += cmSystemTools::EscapeSpaces(commandArgs[i].c_str());
combinedArgs += " ";
}
cmCustomCommand cc(source,c.c_str(),combinedArgs.c_str(),depends,outputs);
m_Targets[target].GetCustomCommands().push_back(cc);
std::string cacheCommand = command;
this->ExpandVariablesInString(cacheCommand);
if(cmCacheManager::GetInstance()->GetCacheValue(cacheCommand.c_str()))
{
m_Targets[target].AddUtility(
cmCacheManager::GetInstance()->GetCacheValue(cacheCommand.c_str()));
}
}
}
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void cmMakefile::AddCustomCommand(const char* source,
const char* command,
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const std::vector<std::string>& commandArgs,
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, commandArgs, depends, outputs, target);
}
void cmMakefile::AddDefineFlag(const char* flag)
{
m_DefineFlags += " ";
m_DefineFlags += flag;
}
void cmMakefile::AddLinkLibrary(const char* lib, cmTarget::LinkLibraryType llt)
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{
m_LinkLibraries.push_back(
std::pair<std::string, cmTarget::LinkLibraryType>(lib,llt));
}
void cmMakefile::AddLinkLibraryForTarget(const char *target,
const char* lib,
cmTarget::LinkLibraryType llt)
{
cmTargets::iterator i = m_Targets.find(target);
if ( i != m_Targets.end())
{
i->second.AddLinkLibrary( *this, target, lib, llt );
}
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else
{
cmSystemTools::Error("Attempt to add link libraries to non-existant target: ", target, " for lib ", lib);
}
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}
void cmMakefile::AddLinkDirectoryForTarget(const char *target,
const char* d)
{
cmTargets::iterator i = m_Targets.find(target);
if ( i != m_Targets.end())
{
i->second.AddLinkDirectory( d );
}
else
{
cmSystemTools::Error("Attempt to add link directories to non-existant target: ",
target, " for directory ", d);
}
}
void cmMakefile::AddLinkLibrary(const char* lib)
{
this->AddLinkLibrary(lib,cmTarget::GENERAL);
}
void cmMakefile::AddLinkDirectory(const char* dir)
{
// Don't add a link directory that is already present. Yes, this
// linear search results in n^2 behavior, but n won't be getting
// much bigger than 20. We cannot use a set because of order
// dependency of the link search path.
// remove trailing slashes
if(dir && dir[strlen(dir)-1] == '/')
{
std::string newdir = dir;
newdir = newdir.substr(0, newdir.size()-1);
if(std::find(m_LinkDirectories.begin(),
m_LinkDirectories.end(), newdir.c_str()) == m_LinkDirectories.end())
{
m_LinkDirectories.push_back(newdir);
}
}
else
{
if(std::find(m_LinkDirectories.begin(),
m_LinkDirectories.end(), dir) == m_LinkDirectories.end())
{
m_LinkDirectories.push_back(dir);
}
}
}
void cmMakefile::AddSubDirectory(const char* sub)
{
m_SubDirectories.push_back(sub);
}
void cmMakefile::AddIncludeDirectory(const char* inc, bool before)
{
// Don't add an include directory that is already present. Yes,
// this linear search results in n^2 behavior, but n won't be
// getting much bigger than 20. We cannot use a set because of
// order dependency of the include path.
if(std::find(m_IncludeDirectories.begin(),
m_IncludeDirectories.end(), inc) == m_IncludeDirectories.end())
{
if (before)
{
// WARNING: this *is* expensive (linear time) since it's a vector
m_IncludeDirectories.insert(m_IncludeDirectories.begin(), inc);
}
else
{
m_IncludeDirectories.push_back(inc);
}
}
}
void cmMakefile::AddDefinition(const char* name, const char* value)
{
m_Definitions.erase( DefinitionMap::key_type(name));
m_Definitions.insert(DefinitionMap::value_type(name, value));
}
void cmMakefile::AddCacheDefinition(const char* name, const char* value,
const char* doc,
cmCacheManager::CacheEntryType type)
{
cmCacheManager::GetInstance()->AddCacheEntry(name, value, doc, type);
this->AddDefinition(name, value);
}
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void cmMakefile::AddDefinition(const char* name, bool value)
{
if(value)
{
m_Definitions.erase( DefinitionMap::key_type(name));
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m_Definitions.insert(DefinitionMap::value_type(name, "ON"));
}
else
{
m_Definitions.erase( DefinitionMap::key_type(name));
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m_Definitions.insert(DefinitionMap::value_type(name, "OFF"));
}
}
void cmMakefile::AddCacheDefinition(const char* name, bool value, const char* doc)
{
cmCacheManager::GetInstance()->AddCacheEntry(name, value, doc);
this->AddDefinition(name, value);
}
void cmMakefile::SetProjectName(const char* p)
{
m_ProjectName = p;
}
void cmMakefile::AddGlobalLinkInformation(const char* name, cmTarget& target)
{
// for these targets do not add anything
switch(target.GetType())
{
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case cmTarget::UTILITY: return;
case cmTarget::INSTALL_FILES: return;
case cmTarget::INSTALL_PROGRAMS: return;
default:;
}
std::vector<std::string>::iterator j;
for(j = m_LinkDirectories.begin();
j != m_LinkDirectories.end(); ++j)
{
target.AddLinkDirectory(j->c_str());
}
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target.MergeLinkLibraries( *this, name, m_LinkLibraries );
}
void cmMakefile::AddLibrary(const char* lname, int shared,
const std::vector<std::string> &srcs)
{
cmTarget target;
switch (shared)
{
case 0:
target.SetType(cmTarget::STATIC_LIBRARY);
break;
case 1:
target.SetType(cmTarget::SHARED_LIBRARY);
break;
case 2:
target.SetType(cmTarget::MODULE_LIBRARY);
break;
default:
target.SetType(cmTarget::STATIC_LIBRARY);
}
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// Clear its dependencies. Otherwise, dependencies might persist
// over changes in CMakeLists.txt, making the information stale and
// hence useless.
std::string depname = lname;
depname += "_LIB_DEPENDS";
cmCacheManager::GetInstance()->
AddCacheEntry(depname.c_str(), "",
"Dependencies for target", cmCacheManager::STATIC);
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target.SetInAll(true);
target.GetSourceLists() = srcs;
this->AddGlobalLinkInformation(lname, target);
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m_Targets.insert(cmTargets::value_type(lname,target));
// Add an entry into the cache
std::string libPath = lname;
libPath += "_CMAKE_PATH";
cmCacheManager::GetInstance()->
AddCacheEntry(libPath.c_str(),
this->GetCurrentOutputDirectory(),
"Path to a library", cmCacheManager::INTERNAL);
// Add an entry into the cache
std::string ltname = lname;
ltname += "_LIBRARY_TYPE";
switch (shared)
{
case 0:
cmCacheManager::GetInstance()->
AddCacheEntry(ltname.c_str(),
"STATIC",
"Whether a library is static, shared or module.",
cmCacheManager::INTERNAL);
break;
case 1:
cmCacheManager::GetInstance()->
AddCacheEntry(ltname.c_str(),
"SHARED",
"Whether a library is static, shared or module.",
cmCacheManager::INTERNAL);
break;
case 2:
cmCacheManager::GetInstance()->
AddCacheEntry(ltname.c_str(),
"MODULE",
"Whether a library is static, shared or module.",
cmCacheManager::INTERNAL);
break;
default:
cmCacheManager::GetInstance()->
AddCacheEntry(ltname.c_str(),
"STATIC",
"Whether a library is static, shared or module.",
cmCacheManager::INTERNAL);
}
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}
void cmMakefile::AddExecutable(const char *exeName,
const std::vector<std::string> &srcs)
{
this->AddExecutable(exeName,srcs,false);
}
void cmMakefile::AddExecutable(const char *exeName,
const std::vector<std::string> &srcs,
bool win32)
{
cmTarget target;
if (win32)
{
target.SetType(cmTarget::WIN32_EXECUTABLE);
}
else
{
target.SetType(cmTarget::EXECUTABLE);
}
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target.SetInAll(true);
target.GetSourceLists() = srcs;
this->AddGlobalLinkInformation(exeName, target);
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m_Targets.insert(cmTargets::value_type(exeName,target));
// Add an entry into the cache
std::string exePath = exeName;
exePath += "_CMAKE_PATH";
cmCacheManager::GetInstance()->
AddCacheEntry(exePath.c_str(),
this->GetCurrentOutputDirectory(),
"Path to an executable", cmCacheManager::INTERNAL);
}
void cmMakefile::AddUtilityCommand(const char* utilityName,
const char* command,
const char* arguments,
bool all)
{
std::vector<std::string> empty;
this->AddUtilityCommand(utilityName,command,arguments,all,
empty,empty);
}
void cmMakefile::AddUtilityCommand(const char* utilityName,
const char* command,
const char* arguments,
bool all,
const std::vector<std::string> &dep,
const std::vector<std::string> &out)
{
cmTarget target;
target.SetType(cmTarget::UTILITY);
target.SetInAll(all);
cmCustomCommand cc(utilityName, command, arguments, dep, out);
target.GetCustomCommands().push_back(cc);
m_Targets.insert(cmTargets::value_type(utilityName,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);
}
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// 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)
{
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// 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)
{
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return parentFile;
}
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listsDir = listsDir.substr(0, pos);
// if we are in the home directory then stop, return 0
if(m_cmHomeDirectory == listsDir)
{
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return parentFile;
}
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// 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";
while(!cmSystemTools::FileExists(parentFile.c_str()))
{
// There is no CMakeLists.txt file in the parent directory. This
// can occur when coming out of a subdirectory resulting from a
// SUBDIRS(Foo/Bar) command (coming out of Bar into Foo). Try
// walking up until a CMakeLists.txt is found or the home
// directory is hit.
// if we are in the home directory then stop, return 0
if(m_cmHomeDirectory == listsDir) { return ""; }
// 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 ""; }
listsDir = listsDir.substr(0, pos);
parentFile = listsDir;
parentFile += "/CMakeLists.txt";
}
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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
for(std::vector<std::string>::iterator d = m_IncludeDirectories.begin();
d != m_IncludeDirectories.end(); ++d)
{
this->ExpandVariablesInString(*d);
}
for(std::vector<std::string>::iterator d = m_LinkDirectories.begin();
d != m_LinkDirectories.end(); ++d)
{
this->ExpandVariablesInString(*d);
}
for(cmTarget::LinkLibraries::iterator l = m_LinkLibraries.begin();
l != m_LinkLibraries.end(); ++l)
{
this->ExpandVariablesInString(l->first);
}
}
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bool cmMakefile::IsOn(const char* name) const
{
const char* value = this->GetDefinition(name);
return cmSystemTools::IsOn(value);
}
const char* cmMakefile::GetDefinition(const char* name) const
{
DefinitionMap::const_iterator pos = m_Definitions.find(name);
if(pos != m_Definitions.end())
{
return (*pos).second.c_str();
}
return cmCacheManager::GetInstance()->GetCacheValue(name);
}
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int cmMakefile::DumpDocumentationToFile(std::ostream& f)
{
// Open the supplied filename
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// Loop over all registered commands and print out documentation
const char *name;
const char *terse;
const char *full;
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char tmp[1024];
sprintf(tmp,"Version %d.%d", cmMakefile::GetMajorVersion(),
cmMakefile::GetMinorVersion());
f << "<html>\n";
f << "<h1>Documentation for commands of CMake " << tmp << "</h1>\n";
f << "<ul>\n";
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for(RegisteredCommandsMap::iterator j = m_Commands.begin();
j != m_Commands.end(); ++j)
{
name = (*j).second->GetName();
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terse = (*j).second->GetTerseDocumentation();
full = (*j).second->GetFullDocumentation();
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f << "<li><b>" << name << "</b> - " << terse << std::endl
<< "<br><i>Usage:</i> " << full << "</li>" << std::endl << std::endl;
}
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f << "</ul></html>\n";
return 1;
}
const char *cmMakefile::ExpandVariablesInString(std::string& source) const
{
return this->ExpandVariablesInString(source, false);
}
const char *cmMakefile::ExpandVariablesInString(std::string& source,
bool escapeQuotes,
bool atOnly) const
{
// This method replaces ${VAR} and @VAR@ where VAR is looked up
// with GetDefinition(), if not found in the map, nothing is expanded.
// It also supports the $ENV{VAR} syntax where VAR is looked up in
// the current environment variables.
// start by look for $ or @ in the string
std::string::size_type markerPos;
if(atOnly)
{
markerPos = source.find_first_of("@");
}
else
{
markerPos = source.find_first_of("$@");
}
// if not found, or found as the last character, then leave quickly as
// nothing needs to be expanded
if((markerPos == std::string::npos) || (markerPos >= source.size()-1))
{
return source.c_str();
}
// current position
std::string::size_type currentPos =0; // start at 0
std::string result; // string with replacements
// go until the the end of the string
while((markerPos != std::string::npos) && (markerPos < source.size()-1))
{
// grab string from currentPos to the start of the variable
// and add it to the result
result += source.substr(currentPos, markerPos - currentPos);
char endVariableMarker; // what is the end of the variable @ or }
int markerStartSize = 1; // size of the start marker 1 or 2 or 5
if(!atOnly && source[markerPos] == '$')
{
// ${var} case
if(source[markerPos+1] == '{')
{
endVariableMarker = '}';
markerStartSize = 2;
}
// $ENV{var} case
else if(markerPos+4 < source.size() &&
source[markerPos+4] == '{' &&
!source.substr(markerPos+1, 3).compare("ENV"))
{
endVariableMarker = '}';
markerStartSize = 5;
}
else
{
// bogus $ with no { so add $ to result and move on
result += '$'; // add bogus $ back into string
currentPos = markerPos+1; // move on
endVariableMarker = ' '; // set end var to space so we can tell bogus
}
}
else
{
// @VAR case
endVariableMarker = '@';
}
// if it was a valid variable (started with @ or ${ or $ENV{ )
if(endVariableMarker != ' ')
{
markerPos += markerStartSize; // move past marker
// find the end variable marker starting at the markerPos
std::string::size_type endVariablePos =
source.find(endVariableMarker, markerPos);
if(endVariablePos == std::string::npos)
{
// no end marker found so add the bogus start
if(endVariableMarker == '@')
{
result += '@';
}
else
{
result += (markerStartSize == 5 ? "$ENV{" : "${");
}
currentPos = markerPos;
}
else
{
// good variable remove it
std::string var = source.substr(markerPos, endVariablePos - markerPos);
bool found = false;
if (markerStartSize == 5) // $ENV{
{
char *ptr = getenv(var.c_str());
if (ptr)
{
if (escapeQuotes)
{
result += cmSystemTools::EscapeQuotes(ptr);
}
else
{
result += ptr;
}
found = true;
}
}
else
{
const char* lookup = this->GetDefinition(var.c_str());
if(lookup)
{
if (escapeQuotes)
{
result += cmSystemTools::EscapeQuotes(lookup);
}
else
{
result += lookup;
}
found = true;
}
}
// if found add to result, if not, then it gets blanked
if (!found)
{
// if no definition is found then add the var back
if(endVariableMarker == '@')
{
result += "@";
result += var;
result += "@";
}
// do nothing, we remove the variable
/* else
{
result += (markerStartSize == 5 ? "$ENV{" : "${");
result += var;
result += "}";
}
*/
}
// lookup var, and replace it
currentPos = endVariablePos+1;
}
}
if(atOnly)
{
markerPos = source.find_first_of("@", currentPos);
}
else
{
markerPos = source.find_first_of("$@", currentPos);
}
}
result += source.substr(currentPos); // pick up the rest of the string
source = result;
return source.c_str();
}
void cmMakefile::RemoveVariablesInString(std::string& source,
bool atOnly) const
{
if(!atOnly)
{
cmRegularExpression var("(\\${[A-Za-z_0-9]*})");
while (var.find(source))
{
source.erase(var.start(),var.end() - var.start());
}
}
if(!atOnly)
{
cmRegularExpression varb("(\\$ENV{[A-Za-z_0-9]*})");
while (varb.find(source))
{
source.erase(varb.start(),varb.end() - varb.start());
}
}
cmRegularExpression var2("(@[A-Za-z_0-9]*@)");
while (var2.find(source))
{
source.erase(var2.start(),var2.end() - var2.start());
}
}
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// 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)
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{
// 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;
mf->SetMakefileGenerator(m_MakefileGenerator->CreateObject());
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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);
}
}
}
/**
* 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_INTDIR","$(IntDir)");
#else
this->AddDefinition("CMAKE_CFG_INTDIR",".");
#endif
char temp[1024];
sprintf(temp, "%d", cmMakefile::GetMinorVersion());
this->AddDefinition("CMAKE_MINOR_VERSION", temp);
sprintf(temp, "%d", cmMakefile::GetMajorVersion());
this->AddDefinition("CMAKE_MAJOR_VERSION", temp);
}
/**
* 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();
}
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bool cmMakefile::IsFunctionBlocked(const char *name,
std::vector<std::string> const&args)
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{
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// if there are no blockers get out of here
if (m_FunctionBlockers.begin() == m_FunctionBlockers.end())
{
return false;
}
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// loop over all function blockers to see if any block this command
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std::list<cmFunctionBlocker *>::iterator pos;
std::vector<std::string> expandedArguments;
for(std::vector<std::string>::const_iterator i = args.begin();
i != args.end(); ++i)
{
std::string tmps = *i;
this->ExpandVariablesInString(tmps);
if (tmps.find_first_not_of(" ") != std::string::npos)
{
// we found something in the args
expandedArguments.push_back(tmps);
}
}
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for (pos = m_FunctionBlockers.begin();
pos != m_FunctionBlockers.end(); ++pos)
{
if ((*pos)->NeedExpandedVariables())
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{
if ((*pos)->IsFunctionBlocked(name, expandedArguments, *this))
{
return true;
}
}
else
{
if ((*pos)->IsFunctionBlocked(name, args, *this))
{
return true;
}
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}
}
return false;
}
void cmMakefile::RemoveFunctionBlocker(const char *name,
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const std::vector<std::string> &args)
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{
// loop over all function blockers to see if any block this command
std::list<cmFunctionBlocker *>::reverse_iterator pos;
for (pos = m_FunctionBlockers.rbegin();
pos != m_FunctionBlockers.rend(); ++pos)
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{
if ((*pos)->ShouldRemove(name, args, *this))
{
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cmFunctionBlocker* b = *pos;
m_FunctionBlockers.remove(*pos);
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delete b;
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return;
}
}
return;
}
void cmMakefile::SetHomeDirectory(const char* dir)
{
m_cmHomeDirectory = dir;
cmSystemTools::ConvertToUnixSlashes(m_cmHomeDirectory);
this->AddDefinition("CMAKE_SOURCE_DIR", this->GetHomeDirectory());
}
void cmMakefile::SetHomeOutputDirectory(const char* lib)
{
m_HomeOutputDirectory = lib;
cmSystemTools::ConvertToUnixSlashes(m_HomeOutputDirectory);
this->AddDefinition("CMAKE_BINARY_DIR", this->GetHomeOutputDirectory());
}
/**
* Register the given cmData instance with its own name.
*/
void cmMakefile::RegisterData(cmData* data)
{
std::string name = data->GetName();
DataMap::const_iterator d = m_DataMap.find(name);
if((d != m_DataMap.end()) && (d->second != NULL) && (d->second != data))
{
delete d->second;
}
m_DataMap[name] = data;
}
/**
* Register the given cmData instance with the given name. This can be used
* to register a NULL pointer.
*/
void cmMakefile::RegisterData(const char* name, cmData* data)
{
DataMap::const_iterator d = m_DataMap.find(name);
if((d != m_DataMap.end()) && (d->second != NULL) && (d->second != data))
{
delete d->second;
}
m_DataMap[name] = data;
}
/**
* Lookup a cmData instance previously registered with the given name. If
* the instance cannot be found, return NULL.
*/
cmData* cmMakefile::LookupData(const char* name) const
{
DataMap::const_iterator d = m_DataMap.find(name);
if(d != m_DataMap.end())
{
return d->second;
}
else
{
return NULL;
}
}
cmSourceFile* cmMakefile::GetSource(const char* sourceName) const
{
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std::string s = cmSystemTools::GetFilenameName(sourceName);
std::string ext;
std::string::size_type pos = s.rfind('.');
if(pos != std::string::npos)
{
ext = s.substr(pos+1, s.size() - pos-1);
s = s.substr(0, pos);
}
for(std::vector<cmSourceFile*>::const_iterator i = m_SourceFiles.begin();
i != m_SourceFiles.end(); ++i)
{
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if ((*i)->GetSourceName() == s)
{
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if ((ext.size() == 0 || (ext == (*i)->GetSourceExtension())))
{
return *i;
}
}
}
return 0;
}
cmSourceFile* cmMakefile::AddSource(cmSourceFile const&sf)
{
// check to see if it exists
cmSourceFile* ret = this->GetSource(sf.GetSourceName().c_str());
if(ret && ret->GetSourceExtension() == sf.GetSourceExtension())
{
return ret;
}
ret = new cmSourceFile(sf);
m_SourceFiles.push_back(ret);
return ret;
}
void cmMakefile::EnableLanguage(const char* lang)
{
m_MakefileGenerator->EnableLanguage(lang);
}
void cmMakefile::ExpandSourceListArguments(
std::vector<std::string> const& arguments,
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std::vector<std::string>& newargs, unsigned int start)
{
// first figure out if we need to handle version 1.2 style source lists
int oldVersion = 1;
const char* versionValue
= this->GetDefinition("CMAKE_MINIMUM_REQUIRED_VERSION");
if (versionValue && atof(versionValue) > 1.2)
{
oldVersion = 0;
}
// now expand the args
std::vector<std::string> tmpArgs;
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unsigned int i;
for(i = 0; i < arguments.size(); ++i)
{
// is the arg defined ?, if so use the def
const char *def = this->GetDefinition(arguments[i].c_str());
if (def && oldVersion && i >= start)
{
tmpArgs.push_back(def);
}
else
{
tmpArgs.push_back(arguments[i]);
}
}
cmSystemTools::ExpandListArguments(tmpArgs, newargs);
}