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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 "cmVTKWrapPythonCommand.h"
// cmVTKWrapPythonCommand
bool cmVTKWrapPythonCommand::InitialPass(std::vector<std::string> const&
argsIn)
{
if(argsIn.size() < 3 )
{
this->SetError("called with incorrect number of arguments");
return false;
}
std::vector<std::string> args;
m_Makefile->ExpandSourceListArguments(argsIn, args, 2);
// Now check and see if the value has been stored in the cache
// already, if so use that value and don't look for the program
if(!m_Makefile->IsOn("VTK_WRAP_PYTHON"))
{
return true;
}
// what is the current source dir
std::string cdir = m_Makefile->GetCurrentDirectory();
// keep the library name
m_LibraryName = args[0];
m_SourceList = args[1];
std::string sourceListValue;
// was the list already populated
const char *def = m_Makefile->GetDefinition(m_SourceList.c_str());
if (def)
{
sourceListValue = def;
sourceListValue += ";";
}
// Create the init file
std::string res = m_LibraryName;
res += "Init.cxx";
// add the init file
std::string initName = m_LibraryName;
initName += "Init";
sourceListValue += initName + ".cxx";
// get the list of classes for this library
for(std::vector<std::string>::iterator j = (args.begin() + 2);
j != args.end(); ++j)
{
cmSourceFile *curr = m_Makefile->GetSource(j->c_str());
// if we should wrap the class
if (!curr || !curr->GetPropertyAsBool("WRAP_EXCLUDE"))
{
cmSourceFile file;
if (curr)
{
file.SetProperty("ABSTRACT",curr->GetProperty("ABSTRACT"));
}
std::string srcName = cmSystemTools::GetFilenameWithoutExtension(*j);
std::string newName = srcName + "Python";
file.SetName(newName.c_str(), m_Makefile->GetCurrentOutputDirectory(),
"cxx",false);
std::string hname = cdir + "/" + srcName + ".h";
m_WrapHeaders.push_back(hname);
// add starting depends
file.GetDepends().push_back(hname);
m_WrapClasses.push_back(file);
sourceListValue += ";";
sourceListValue += newName + ".cxx";
}
}
cmSourceFile cfile;
cfile.SetProperty("ABSTRACT","0");
this->CreateInitFile(res);
cfile.SetName(initName.c_str(), m_Makefile->GetCurrentOutputDirectory(),
"cxx",false);
m_Makefile->AddSource(cfile);
m_Makefile->AddDefinition(m_SourceList.c_str(), sourceListValue.c_str());
return true;
}
void cmVTKWrapPythonCommand::FinalPass()
{
// first we add the rules for all the .h to Python.cxx files
size_t lastClass = m_WrapClasses.size();
std::vector<std::string> depends;
const char* wpython = m_Makefile->
GetRequiredDefinition("VTK_WRAP_PYTHON_EXE");
const char* hints = m_Makefile->GetDefinition("VTK_WRAP_HINTS");
// wrap all the .h files
depends.push_back(wpython);
if(hints)
{
depends.push_back(hints);
}
for(size_t classNum = 0; classNum < lastClass; classNum++)
{
m_Makefile->AddSource(m_WrapClasses[classNum]);
std::string res = m_Makefile->GetCurrentOutputDirectory();
res += "/";
res += m_WrapClasses[classNum].GetSourceName() + ".cxx";
cmCustomCommandLine commandLine;
commandLine.push_back(wpython);
commandLine.push_back(m_WrapHeaders[classNum]);
if(hints)
{
commandLine.push_back(hints);
}
commandLine.push_back(
(m_WrapClasses[classNum].GetPropertyAsBool("ABSTRACT") ? "0" : "1"));
commandLine.push_back(res);
cmCustomCommandLines commandLines;
commandLines.push_back(commandLine);
std::vector<std::string> outputs;
outputs.push_back(res);
const char* no_comment = 0;
m_Makefile->AddCustomCommandOldStyle(m_LibraryName.c_str(),
outputs,
depends,
m_WrapHeaders[classNum].c_str(),
commandLines,
no_comment);
}
}
bool cmVTKWrapPythonCommand::CreateInitFile(std::string& res)
{
std::vector<std::string> classes;
size_t lastClass = m_WrapHeaders.size();
size_t classNum;
for(classNum = 0; classNum < lastClass; classNum++)
{
std::string cls = m_WrapHeaders[classNum];
cls = cls.substr(0,cls.size()-2);
std::string::size_type pos = cls.rfind('/');
if(pos != std::string::npos)
{
cls = cls.substr(pos+1);
}
classes.push_back(cls);
}
// open the init file
std::string outFileName =
m_Makefile->GetCurrentOutputDirectory();
outFileName += "/" + res;
return this->WriteInit(m_LibraryName.c_str(), outFileName, classes);
}
/* warning this code is also in getclasses.cxx under pcmaker */
bool cmVTKWrapPythonCommand::WriteInit(const char *kitName,
std::string& outFileName,
std::vector<std::string>& classes)
{
unsigned int i;
std::string tempOutputFile = outFileName + ".tmp";
FILE *fout = fopen(tempOutputFile.c_str(),"w");
if (!fout)
{
cmSystemTools::ReportLastSystemError("cmVTKWrapPythonCommand error:");
return false;
}
fprintf(fout,"// Generated by cmVTKWrapPythonCommand in CMake\n\n");
fprintf(fout,"#include <string.h>\n");
fprintf(fout,"#include \"Python.h\"\n\n");
fprintf(fout,"// Handle compiler warning messages, etc.\n"
"#if defined( _MSC_VER ) && !defined(VTK_DISPLAY_WIN32_WARNINGS)\n"
"#pragma warning ( disable : 4706 )\n"
"#endif // Windows Warnings \n\n");
for (i = 0; i < classes.size(); i++)
{
#ifdef _WIN32
fprintf(fout,
"extern \"C\" {__declspec( dllexport) PyObject *PyVTKClass_%sNew(char *); }\n",classes[i].c_str());
#else
fprintf(fout,"extern \"C\" {PyObject *PyVTKClass_%sNew(char *); }\n",
classes[i].c_str());
#endif
}
fprintf(fout,"\nstatic PyMethodDef Py%s_ClassMethods[] = {\n",
kitName);
fprintf(fout,"{NULL, NULL, 0, NULL}};\n\n");
#ifdef _WIN32
fprintf(fout,"extern \"C\" {__declspec( dllexport) void init%s();}\n\n",
kitName);
fprintf(fout,"void init%s()\n{\n",kitName);
#else
fprintf(fout,"extern \"C\" {void initlib%s();}\n\n",kitName);
fprintf(fout,"void initlib%s()\n{\n",kitName);
#endif
/* module init function */
fprintf(fout," PyObject *m, *d, *c;\n\n");
#ifdef _WIN32
fprintf(fout," static char modulename[] = \"%s\";\n",kitName);
#else
fprintf(fout," static char modulename[] = \"lib%s\";\n",kitName);
#endif
fprintf(fout," m = Py_InitModule(modulename, Py%s_ClassMethods);\n",
kitName);
fprintf(fout," d = PyModule_GetDict(m);\n");
fprintf(fout," if (!d) Py_FatalError(\"can't get dictionary for module %s!\");\n\n",
kitName);
for (i = 0; i < classes.size(); i++)
{
fprintf(fout," if ((c = PyVTKClass_%sNew(modulename)))\n",
classes[i].c_str());
fprintf(fout," if (-1 == PyDict_SetItemString(d, \"%s\", c))\n",
classes[i].c_str());
fprintf(fout," Py_FatalError(\"can't add class %s to dictionary!\");\n\n",
classes[i].c_str());
}
fprintf(fout,"}\n\n");
fclose(fout);
// copy the file if different
cmSystemTools::CopyFileIfDifferent(tempOutputFile.c_str(),
outFileName.c_str());
cmSystemTools::RemoveFile(tempOutputFile.c_str());
return true;
}
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