ENH: Adding VTK_MAKE_INSTANTIATOR command. This command will be used by VTK kits to register their classes with vtkInstantiator.

This commit is contained in:
Brad King 2001-12-17 16:20:33 -05:00
parent 1b6ca3eba0
commit fa53ab0807
3 changed files with 462 additions and 2 deletions

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@ -64,6 +64,7 @@
#include "cmQTWrapUICommand.cxx"
#include "cmWrapExcludeFilesCommand.cxx"
#include "cmAddCustomCommandCommand.cxx"
#include "cmVTKMakeInstantiatorCommand.cxx"
void GetPredefinedCommands(std::list<cmCommand*>& commands)
{
@ -128,6 +129,5 @@ void GetPredefinedCommands(std::list<cmCommand*>& commands)
commands.push_back(new cmQTWrapUICommand);
commands.push_back(new cmWrapExcludeFilesCommand);
commands.push_back(new cmAddCustomCommandCommand);
commands.push_back(new cmVTKMakeInstantiatorCommand);
}

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@ -0,0 +1,343 @@
/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2001 Insight Consortium
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* The name of the Insight Consortium, nor the names of any consortium members,
nor of any contributors, may be used to endorse or promote products derived
from this software without specific prior written permission.
* Modified source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
=========================================================================*/
#include "cmVTKMakeInstantiatorCommand.h"
#include "cmCacheManager.h"
#include "cmGeneratedFileStream.h"
bool
cmVTKMakeInstantiatorCommand
::InitialPass(std::vector<std::string> const& args)
{
if(args.size() < 3)
{
this->SetError("called with incorrect number of arguments");
return false;
}
std::string libName = args[0];
std::string srcListName = args[1];
m_ExportMacro = args[2];
unsigned int groupSize = 10;
// Find the path of the files to be generated.
std::string filePath = m_Makefile->GetCurrentOutputDirectory();
std::string headerPath = filePath;
if(args.size() > 3)
{
for(unsigned int i=3;i < args.size();++i)
{
if(args[i] == "GROUP_SIZE")
{
if(++i < args.size())
{
groupSize = atoi(args[i].c_str());
}
else
{
this->SetError("GROUP_SIZE option used without value.");
return false;
}
}
else if(args[i] == "HEADER_LOCATION")
{
if(++i < args.size())
{
headerPath = args[i];
m_Makefile->ExpandVariablesInString(headerPath);
}
else
{
this->SetError("HEADER_LOCATION option used without value.");
return false;
}
}
}
}
m_Makefile->ExpandVariablesInString(srcListName);
// Find the source list specified.
cmMakefile::SourceMap::iterator srcListIter =
m_Makefile->GetSources().find(srcListName);
if(srcListIter == m_Makefile->GetSources().end())
{
std::string errStr = "No source list named " + srcListName;
this->SetError(errStr.c_str());
return false;
}
m_ClassName = libName+"Instantiator";
std::vector<cmSourceFile>& srcList = srcListIter->second;
// Collect the names of the classes.
for(std::vector<cmSourceFile>::iterator src = srcList.begin();
src != srcList.end();++src)
{
// Wrap-excluded and abstract classes do not have a New() method.
// vtkIndent and vtkTimeStamp are special cases and are not
// vtkObject subclasses.
if(!src->GetWrapExclude() && !src->GetIsAnAbstractClass()
&& (src->GetSourceName() != "vtkIndent")
&& (src->GetSourceName() != "vtkTimeStamp"))
{
m_Classes.push_back(src->GetSourceName());
}
}
// Generate the header with the class declaration.
{
std::string fileName = m_ClassName + ".h";
std::string fullName = headerPath+"/"+fileName;
// Generate the output file with copy-if-different.
cmGeneratedFileStream fout(fullName.c_str());
// Actually generate the code in the file.
this->GenerateHeaderFile(fout.GetStream());
}
// Generate the implementation file.
{
std::string fileName = m_ClassName + ".cxx";
std::string fullName = filePath+"/"+fileName;
// Generate the output file with copy-if-different.
{
cmGeneratedFileStream fout(fullName.c_str());
// Actually generate the code in the file.
this->GenerateImplementationFile(fout.GetStream());
}
// Add the generated source file into the source list.
cmSourceFile file;
file.SetWrapExclude(true);
file.SetIsAnAbstractClass(false);
file.SetName(fileName.c_str(), filePath.c_str(),
m_Makefile->GetSourceExtensions(),
m_Makefile->GetHeaderExtensions());
m_Makefile->AddSource(file, srcListName.c_str());
}
unsigned int numClasses = m_Classes.size();
unsigned int numFullBlocks = numClasses / groupSize;
unsigned int lastBlockSize = numClasses % groupSize;
unsigned int numBlocks = numFullBlocks + ((lastBlockSize>0)? 1:0);
// Generate the files with the ::New() calls to each class. These
// are done in groups to keep the translation unit size smaller.
for(unsigned int block=0; block < numBlocks;++block)
{
std::string fileName = this->GenerateCreationFileName(block);
std::string fullName = filePath+"/"+fileName;
// Generate the output file with copy-if-different.
{
cmGeneratedFileStream fout(fullName.c_str());
unsigned int thisBlockSize =
(block < numFullBlocks)? groupSize:lastBlockSize;
// Actually generate the code in the file.
this->GenerateCreationFile(fout.GetStream(),
block*groupSize, thisBlockSize);
}
// Add the generated source file into the source list.
cmSourceFile file;
file.SetWrapExclude(true);
file.SetIsAnAbstractClass(false);
file.SetName(fileName.c_str(), filePath.c_str(),
m_Makefile->GetSourceExtensions(),
m_Makefile->GetHeaderExtensions());
m_Makefile->AddSource(file, srcListName.c_str());
}
return true;
}
std::string
cmVTKMakeInstantiatorCommand::GenerateCreationFileName(unsigned int block)
{
std::ostrstream nameStr;
nameStr << m_ClassName.c_str() << block << ".cxx" << std::ends;
std::string result = nameStr.str();
nameStr.rdbuf()->freeze(0);
return result;
}
// Generates the class header file with the definition of the class
// and its initializer class.
void
cmVTKMakeInstantiatorCommand
::GenerateHeaderFile(std::ostream& os)
{
os <<
"#ifndef __" << m_ClassName.c_str() << "_h\n"
"#define __" << m_ClassName.c_str() << "_h\n"
"\n"
"#include \"vtkInstantiator.h\"\n"
"\n"
"class " << m_ClassName.c_str() << "Initialize;\n"
"\n"
"class " << m_ExportMacro.c_str() << " " << m_ClassName.c_str() << "\n"
"{\n"
" friend class " << m_ClassName.c_str() << "Initialize;\n"
"\n"
" static void ClassInitialize();\n"
" static void ClassFinalize();\n"
"\n";
for(unsigned int i=0;i < m_Classes.size();++i)
{
os << " static vtkObject* Create_" << m_Classes[i].c_str() << "();\n";
}
// Write the initializer class to make sure the creation functions
// get registered when this generated header is included.
os <<
"};\n"
"\n"
"class " << m_ExportMacro.c_str() << " " << m_ClassName.c_str() << "Initialize\n"
"{\n"
"public:\n"
" " << m_ClassName.c_str() << "Initialize();\n"
" ~" << m_ClassName.c_str() << "Initialize();\n"
"private:\n"
" static unsigned int Count;\n"
"};\n"
"\n"
"static " << m_ClassName.c_str() << "Initialize " << m_ClassName.c_str() << "Initializer;\n"
"\n"
"#endif\n";
}
// Generates the file with the implementation of the class. All
// methods except the actual object creation functions are generated
// here.
void
cmVTKMakeInstantiatorCommand
::GenerateImplementationFile(std::ostream& os)
{
// Write the ClassInitialize method to register all the creation functions.
os <<
"#include \"" << m_ClassName.c_str() << ".h\"\n"
"\n"
"void " << m_ClassName.c_str() << "::ClassInitialize()\n"
"{\n";
for(unsigned int i=0;i < m_Classes.size();++i)
{
os << " vtkInstantiator::RegisterInstantiator(\""
<< m_Classes[i].c_str() << "\", " << m_ClassName.c_str() << "::Create_"
<< m_Classes[i].c_str() << ");\n";
}
// Write the ClassFinalize method to unregister all the creation functions.
os <<
"}\n"
"\n"
"void " << m_ClassName.c_str() << "::ClassFinalize()\n"
"{\n";
for(unsigned int i=0;i < m_Classes.size();++i)
{
os << " vtkInstantiator::UnRegisterInstantiator(\""
<< m_Classes[i].c_str() << "\", " << m_ClassName.c_str() << "::Create_"
<< m_Classes[i].c_str() << ");\n";
}
// Write the constructor and destructor of the initializer class to
// call the ClassInitialize and ClassFinalize methods at the right
// time.
os <<
"}\n"
"\n" <<
m_ClassName.c_str() << "Initialize::" << m_ClassName.c_str() << "Initialize()\n"
"{\n"
" if(++" << m_ClassName.c_str() << "Initialize::Count == 1)\n"
" { " << m_ClassName.c_str() << "::ClassInitialize(); }\n"
"}\n"
"\n" <<
m_ClassName.c_str() << "Initialize::~" << m_ClassName.c_str() << "Initialize()\n"
"{\n"
" if(--" << m_ClassName.c_str() << "Initialize::Count == 0)\n"
" { " << m_ClassName.c_str() << "::ClassFinalize(); }\n"
"}\n"
"\n"
"// Number of translation units that include this class's header.\n"
"// Purposely not initialized. Default is static initialization to 0.\n"
"unsigned int " << m_ClassName.c_str() << "Initialize::Count;\n";
}
// Generates a file that includes the headers of the classes it knows
// how to create and provides functions which create the classes with
// the New() method.
void
cmVTKMakeInstantiatorCommand
::GenerateCreationFile(std::ostream& os, unsigned int groupStart,
unsigned int groupSize)
{
// Need to include header of generated class.
os <<
"#include \"" << m_ClassName.c_str() << ".h\"\n"
"\n";
// Include class files.
for(unsigned int i=0;i < groupSize;++i)
{
os << "#include \"" << m_Classes[groupStart+i].c_str() << ".h\"\n";
}
os <<
"\n";
// Write the create function implementations.
for(unsigned int i=0;i < groupSize;++i)
{
os << "vtkObject* " << m_ClassName.c_str() << "::Create_"
<< m_Classes[groupStart+i].c_str() << "() { return "
<< m_Classes[groupStart+i].c_str() << "::New(); }\n";
}
}

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@ -0,0 +1,117 @@
/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2001 Insight Consortium
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* The name of the Insight Consortium, nor the names of any consortium members,
nor of any contributors, may be used to endorse or promote products derived
from this software without specific prior written permission.
* Modified source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS ``AS IS''
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
=========================================================================*/
#ifndef cmVTKMakeInstantiatorCommand_h
#define cmVTKMakeInstantiatorCommand_h
#include "cmStandardIncludes.h"
#include "cmCommand.h"
/** \class cmVTKMakeInstantiatorCommand
* cmVTKMakeInstantiatorCommand implements the VTK_MAKE_INSTANTIATOR
* command. This generates a source file to add to a VTK library that
* registers instance creation functions with vtkInstantiator for every
* class in that library.
*/
class cmVTKMakeInstantiatorCommand : public cmCommand
{
public:
/** This is a virtual constructor for the command. */
virtual cmCommand* Clone()
{ return new cmVTKMakeInstantiatorCommand; }
/**
* This is called when the command is first encountered in
* the CMakeLists.txt file.
*/
virtual bool InitialPass(std::vector<std::string> const& args);
/** The name of the command as specified in CMakeList.txt. */
virtual const char* GetName() { return "VTK_MAKE_INSTANTIATOR"; }
/** Succinct documentation. */
virtual const char* GetTerseDocumentation()
{
return "Setup a library's classes to be created by vtkInstantiator";
}
/** More documentation. */
virtual const char* GetFullDocumentation()
{
return
"VTK_MAKE_INSTANTIATOR(libName srcList exportMacro\n"
" [HEADER_LOCATION dir] [GROUP_SIZE groupSize])\n"
"Generates a new class for the given library to allow its other\n"
"classes to be created by vtkInstantiator. Functions to create\n"
"classes listed in srcList are registered with vtkInstantiator, and\n"
"the new class containing this code is added to the srcList for\n"
"inclusion in the library. The libName argument is used to generate\n"
"the filename and name of the class used to register the functions\n"
"when the library is loaded. The exportMacro is the name of the\n"
"DLL export macro to use in the class definition\n"
"(ex. VTK_COMMON_EXPORT).\n"
"The HEADER_LOCATION option must be followed by a path. It specifies\n"
"the directory in which to place the generated class's header file.\n"
"The generated class implementation files always go in the build\n"
"directory corresponding to the CMakeLists.txt file containing\n"
"the command. This is the default location for the header.\n"
"The GROUP_SIZE option must be followed by a positive integer.\n"
"As an implementation detail, the registered creation functions may\n"
"be split up into multiple files. The groupSize option specifies\n"
"the number of classes per file. Its default is 10.";
}
cmTypeMacro(cmVTKMakeInstantiatorCommand, cmCommand);
protected:
std::string m_ClassName;
std::string m_ExportMacro;
std::vector<cmStdString> m_Classes;
std::string GenerateCreationFileName(unsigned int group);
void GenerateHeaderFile(std::ostream&);
void GenerateImplementationFile(std::ostream&);
void GenerateCreationFile(std::ostream&, unsigned int groupStart,
unsigned int groupSize);
};
#endif