256 lines
8.1 KiB
C++
256 lines
8.1 KiB
C++
/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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Module: $RCSfile$
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Language: C++
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Date: $Date$
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Version: $Revision$
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Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#include "cmVTKWrapPythonCommand.h"
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// cmVTKWrapPythonCommand
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bool cmVTKWrapPythonCommand::InitialPass(std::vector<std::string> const&
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argsIn)
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{
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if(argsIn.size() < 3 )
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{
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this->SetError("called with incorrect number of arguments");
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return false;
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}
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std::vector<std::string> args;
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this->Makefile->ExpandSourceListArguments(argsIn, args, 2);
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// Now check and see if the value has been stored in the cache
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// already, if so use that value and don't look for the program
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if(!this->Makefile->IsOn("VTK_WRAP_PYTHON"))
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{
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return true;
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}
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// what is the current source dir
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std::string cdir = this->Makefile->GetCurrentDirectory();
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// keep the library name
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this->LibraryName = args[0];
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this->SourceList = args[1];
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std::string sourceListValue;
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// was the list already populated
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const char *def = this->Makefile->GetDefinition(this->SourceList.c_str());
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if (def)
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{
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sourceListValue = def;
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sourceListValue += ";";
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}
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// Create the init file
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std::string res = this->LibraryName;
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res += "Init.cxx";
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// add the init file
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std::string initName = this->LibraryName;
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initName += "Init";
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sourceListValue += initName + ".cxx";
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// get the list of classes for this library
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for(std::vector<std::string>::iterator j = (args.begin() + 2);
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j != args.end(); ++j)
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{
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cmSourceFile *curr = this->Makefile->GetSource(j->c_str());
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// if we should wrap the class
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if (!curr || !curr->GetPropertyAsBool("WRAP_EXCLUDE"))
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{
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cmSourceFile file;
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if (curr)
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{
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file.SetProperty("ABSTRACT",curr->GetProperty("ABSTRACT"));
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}
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std::string srcName = cmSystemTools::GetFilenameWithoutExtension(*j);
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std::string newName = srcName + "Python";
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file.SetName(newName.c_str(), this->Makefile->GetCurrentOutputDirectory(),
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"cxx",false);
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std::string hname = cdir + "/" + srcName + ".h";
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this->WrapHeaders.push_back(hname);
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// add starting depends
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file.GetDepends().push_back(hname);
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this->WrapClasses.push_back(file);
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sourceListValue += ";";
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sourceListValue += newName + ".cxx";
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}
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}
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cmSourceFile cfile;
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cfile.SetProperty("ABSTRACT","0");
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this->CreateInitFile(res);
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cfile.SetName(initName.c_str(), this->Makefile->GetCurrentOutputDirectory(),
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"cxx",false);
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this->Makefile->AddSource(cfile);
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this->Makefile->AddDefinition(this->SourceList.c_str(), sourceListValue.c_str());
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return true;
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}
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void cmVTKWrapPythonCommand::FinalPass()
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{
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// first we add the rules for all the .h to Python.cxx files
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size_t lastClass = this->WrapClasses.size();
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std::vector<std::string> depends;
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const char* wpython =
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this->Makefile->GetRequiredDefinition("VTK_WRAP_PYTHON_EXE");
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const char* hints = this->Makefile->GetDefinition("VTK_WRAP_HINTS");
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// wrap all the .h files
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depends.push_back(wpython);
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if(hints)
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{
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depends.push_back(hints);
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}
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for(size_t classNum = 0; classNum < lastClass; classNum++)
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{
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this->Makefile->AddSource(this->WrapClasses[classNum]);
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std::string res = this->Makefile->GetCurrentOutputDirectory();
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res += "/";
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res += this->WrapClasses[classNum].GetSourceName() + ".cxx";
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cmCustomCommandLine commandLine;
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commandLine.push_back(wpython);
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commandLine.push_back(this->WrapHeaders[classNum]);
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if(hints)
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{
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commandLine.push_back(hints);
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}
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commandLine.push_back((this->WrapClasses[classNum].
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GetPropertyAsBool("ABSTRACT") ? "0" : "1"));
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commandLine.push_back(res);
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cmCustomCommandLines commandLines;
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commandLines.push_back(commandLine);
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std::vector<std::string> outputs;
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outputs.push_back(res);
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const char* no_comment = 0;
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this->Makefile->AddCustomCommandOldStyle(this->LibraryName.c_str(),
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outputs,
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depends,
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this->WrapHeaders[classNum].c_str(),
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commandLines,
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no_comment);
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}
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}
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bool cmVTKWrapPythonCommand::CreateInitFile(std::string& res)
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{
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std::vector<std::string> classes;
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size_t lastClass = this->WrapHeaders.size();
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size_t classNum;
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for(classNum = 0; classNum < lastClass; classNum++)
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{
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std::string cls = this->WrapHeaders[classNum];
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cls = cls.substr(0,cls.size()-2);
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std::string::size_type pos = cls.rfind('/');
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if(pos != std::string::npos)
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{
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cls = cls.substr(pos+1);
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}
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classes.push_back(cls);
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}
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// open the init file
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std::string outFileName =
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this->Makefile->GetCurrentOutputDirectory();
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outFileName += "/" + res;
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return this->WriteInit(this->LibraryName.c_str(), outFileName, classes);
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}
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/* warning this code is also in getclasses.cxx under pcmaker */
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bool cmVTKWrapPythonCommand::WriteInit(const char *kitName,
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std::string& outFileName,
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std::vector<std::string>& classes)
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{
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unsigned int i;
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std::string tempOutputFile = outFileName + ".tmp";
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FILE *fout = fopen(tempOutputFile.c_str(),"w");
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if (!fout)
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{
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cmSystemTools::ReportLastSystemError("cmVTKWrapPythonCommand error:");
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return false;
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}
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fprintf(fout,"// Generated by cmVTKWrapPythonCommand in CMake\n\n");
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fprintf(fout,"#include <string.h>\n");
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fprintf(fout,"#include \"Python.h\"\n\n");
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fprintf(fout,"// Handle compiler warning messages, etc.\n"
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"#if defined( _MSC_VER ) && !defined(VTK_DISPLAY_WIN32_WARNINGS)\n"
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"#pragma warning ( disable : 4706 )\n"
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"#endif // Windows Warnings \n\n");
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for (i = 0; i < classes.size(); i++)
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{
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#ifdef _WIN32
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fprintf(fout,
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"extern \"C\" {__declspec( dllexport) PyObject *PyVTKClass_%sNew(char *); }\n",classes[i].c_str());
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#else
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fprintf(fout,"extern \"C\" {PyObject *PyVTKClass_%sNew(char *); }\n",
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classes[i].c_str());
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#endif
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}
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fprintf(fout,"\nstatic PyMethodDef Py%s_ClassMethods[] = {\n",
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kitName);
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fprintf(fout,"{NULL, NULL, 0, NULL}};\n\n");
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#ifdef _WIN32
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fprintf(fout,"extern \"C\" {__declspec( dllexport) void init%s();}\n\n",
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kitName);
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fprintf(fout,"void init%s()\n{\n",kitName);
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#else
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fprintf(fout,"extern \"C\" {void initlib%s();}\n\n",kitName);
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fprintf(fout,"void initlib%s()\n{\n",kitName);
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#endif
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/* module init function */
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fprintf(fout," PyObject *m, *d, *c;\n\n");
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#ifdef _WIN32
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fprintf(fout," static char modulename[] = \"%s\";\n",kitName);
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#else
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fprintf(fout," static char modulename[] = \"lib%s\";\n",kitName);
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#endif
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fprintf(fout," m = Py_InitModule(modulename, Py%s_ClassMethods);\n",
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kitName);
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fprintf(fout," d = PyModule_GetDict(m);\n");
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fprintf(fout," if (!d) Py_FatalError(\"can't get dictionary for module %s!\");\n\n",
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kitName);
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for (i = 0; i < classes.size(); i++)
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{
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fprintf(fout," if ((c = PyVTKClass_%sNew(modulename)))\n",
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classes[i].c_str());
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fprintf(fout," if (-1 == PyDict_SetItemString(d, \"%s\", c))\n",
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classes[i].c_str());
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fprintf(fout," Py_FatalError(\"can't add class %s to dictionary!\");\n\n",
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classes[i].c_str());
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}
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fprintf(fout,"}\n\n");
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fclose(fout);
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// copy the file if different
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cmSystemTools::CopyFileIfDifferent(tempOutputFile.c_str(),
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outFileName.c_str());
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cmSystemTools::RemoveFile(tempOutputFile.c_str());
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return true;
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}
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