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/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
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.
=========================================================================*/
#include "cmOutputRequiredFilesCommand.h"
#include "cmMakeDepend.h"
class cmLBDepend : public cmMakeDepend
{
/**
* Compute the depend information for this class.
*/
virtual void DependWalk(cmDependInformation* info);
};
void cmLBDepend::DependWalk(cmDependInformation* info)
{
std::ifstream fin(info->m_FullPath.c_str());
if(!fin)
{
cmSystemTools::Error("error can not open ", info->m_FullPath.c_str());
return;
}
std::string line;
while(cmSystemTools::GetLineFromStream(fin, line))
{
if(!strncmp(line.c_str(), "#include", 8))
{
// if it is an include line then create a string class
std::string currentline = line;
size_t qstart = currentline.find('\"', 8);
size_t qend;
// if a quote is not found look for a <
if(qstart == std::string::npos)
{
qstart = currentline.find('<', 8);
// if a < is not found then move on
if(qstart == std::string::npos)
{
cmSystemTools::Error("unknown include directive ",
currentline.c_str() );
continue;
}
else
{
qend = currentline.find('>', qstart+1);
}
}
else
{
qend = currentline.find('\"', qstart+1);
}
// extract the file being included
std::string includeFile = currentline.substr(qstart+1, qend - qstart-1);
// see if the include matches the regular expression
if(!m_IncludeFileRegularExpression.find(includeFile))
{
if(m_Verbose)
{
std::string message = "Skipping ";
message += includeFile;
message += " for file ";
message += info->m_FullPath.c_str();
cmSystemTools::Error(message.c_str(), 0);
}
continue;
}
// Add this file and all its dependencies.
this->AddDependency(info, includeFile.c_str());
/// add the cxx file if it exists
std::string cxxFile = includeFile;
std::string::size_type pos = cxxFile.rfind('.');
if(pos != std::string::npos)
{
std::string root = cxxFile.substr(0, pos);
cxxFile = root + ".cxx";
bool found = false;
// try jumping to .cxx .cpp and .c in order
if(cmSystemTools::FileExists(cxxFile.c_str()))
{
found = true;
}
for(std::vector<std::string>::iterator i =
m_IncludeDirectories.begin();
i != m_IncludeDirectories.end(); ++i)
{
std::string path = *i;
path = path + "/";
path = path + cxxFile;
if(cmSystemTools::FileExists(path.c_str()))
{
found = true;
}
}
if (!found)
{
cxxFile = root + ".cpp";
if(cmSystemTools::FileExists(cxxFile.c_str()))
{
found = true;
}
for(std::vector<std::string>::iterator i =
m_IncludeDirectories.begin();
i != m_IncludeDirectories.end(); ++i)
{
std::string path = *i;
path = path + "/";
path = path + cxxFile;
if(cmSystemTools::FileExists(path.c_str()))
{
found = true;
}
}
}
if (!found)
{
cxxFile = root + ".c";
if(cmSystemTools::FileExists(cxxFile.c_str()))
{
found = true;
}
for(std::vector<std::string>::iterator i =
m_IncludeDirectories.begin();
i != m_IncludeDirectories.end(); ++i)
{
std::string path = *i;
path = path + "/";
path = path + cxxFile;
if(cmSystemTools::FileExists(path.c_str()))
{
found = true;
}
}
}
if (found)
{
this->AddDependency(info, cxxFile.c_str());
}
}
}
}
}
// cmOutputRequiredFilesCommand
bool cmOutputRequiredFilesCommand::InitialPass(std::vector<std::string> const& args)
{
if(args.size() != 2 )
{
this->SetError("called with incorrect number of arguments");
return false;
}
// store the arg for final pass
m_File = args[0];
m_OutputFile = args[1];
return true;
}
void cmOutputRequiredFilesCommand::
ListDependencies(cmDependInformation const *info,
FILE *fout,
std::set<cmDependInformation const*> *visited)
{
// add info to the visited set
visited->insert(info);
// now recurse with info's dependencies
for(cmDependInformation::DependencySet::const_iterator d =
info->m_DependencySet.begin();
d != info->m_DependencySet.end(); ++d)
{
if (visited->find(*d) == visited->end())
{
if(info->m_FullPath != "")
{
std::string tmp = (*d)->m_FullPath;
std::string::size_type pos = tmp.rfind('.');
if(pos != std::string::npos && tmp.substr(pos) == ".cxx")
{
tmp = tmp.substr(0, pos);
fprintf(fout,"%s\n",(*d)->m_FullPath.c_str());
}
}
this->ListDependencies(*d,fout,visited);
}
}
}
void cmOutputRequiredFilesCommand::FinalPass()
{
cmTargets &tgts = m_Makefile->GetTargets();
for (cmTargets::iterator l = tgts.begin(); l != tgts.end(); l++)
{
l->second.GenerateSourceFilesFromSourceLists(*m_Makefile);
}
// compute the list of files
cmLBDepend md;
md.SetMakefile(m_Makefile);
// find the depends for a file
const cmDependInformation *info = md.FindDependencies(m_File.c_str());
if (info)
{
// write them out
FILE *fout = fopen(m_OutputFile.c_str(),"w");
std::set<cmDependInformation const*> visited;
this->ListDependencies(info,fout, &visited);
fclose(fout);
}
}
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