CMake/Source/cmIncludeCommand.cxx

115 lines
3.2 KiB
C++

/*=========================================================================
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 "cmIncludeCommand.h"
// cmIncludeCommand
bool cmIncludeCommand
::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
{
if (args.size()< 1 || args.size() > 4)
{
this->SetError("called with wrong number of arguments. "
"Include only takes one file.");
return false;
}
bool optional = false;
bool noPolicyScope = false;
std::string fname = args[0];
std::string resultVarName;
for (unsigned int i=1; i<args.size(); i++)
{
if (args[i] == "OPTIONAL")
{
if (optional)
{
this->SetError("called with invalid arguments: OPTIONAL used twice");
return false;
}
optional = true;
}
else if(args[i] == "RESULT_VARIABLE")
{
if (resultVarName.size() > 0)
{
this->SetError("called with invalid arguments: "
"only one result variable allowed");
return false;
}
if(++i < args.size())
{
resultVarName = args[i];
}
else
{
this->SetError("called with no value for RESULT_VARIABLE.");
return false;
}
}
else if(args[i] == "NO_POLICY_SCOPE")
{
noPolicyScope = true;
}
else if(i > 1) // compat.: in previous cmake versions the second
// parameter was ignore if it wasn't "OPTIONAL"
{
std::string errorText = "called with invalid argument: ";
errorText += args[i];
this->SetError(errorText.c_str());
return false;
}
}
if(!cmSystemTools::FileIsFullPath(fname.c_str()))
{
// Not a path. Maybe module.
std::string module = fname;
module += ".cmake";
std::string mfile = this->Makefile->GetModulesFile(module.c_str());
if ( mfile.size() )
{
fname = mfile.c_str();
}
}
std::string fullFilePath;
bool readit =
this->Makefile->ReadListFile( this->Makefile->GetCurrentListFile(),
fname.c_str(), &fullFilePath,
noPolicyScope);
// add the location of the included file if a result variable was given
if (resultVarName.size())
{
this->Makefile->AddDefinition(resultVarName.c_str(),
readit?fullFilePath.c_str():"NOTFOUND");
}
if(!optional && !readit && !cmSystemTools::GetFatalErrorOccured())
{
std::string m =
"could not find load file:\n"
" ";
m += fname;
this->SetError(m.c_str());
return false;
}
return true;
}