forked from Kitware/VTK
/
vtkWrapPythonInit.c
185 lines (152 loc) · 5.04 KB
/
vtkWrapPythonInit.c
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static void CreateInitFile(const char *libName, FILE *fout)
{
const char *prefix = "";
const char* dllexp = "VTK_ABI_EXPORT ";
fprintf(fout,"// Generated by vtkWrapPythonInit in VTK/Wrapping\n");
fprintf(fout,"#include \"vtkPython.h\"\n");
fprintf(fout,"#include \"vtkPythonCompatibility.h\"\n");
fprintf(fout,"#include \"vtkSystemIncludes.h\"\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");
fprintf(fout,"extern \"C\" { PyObject *real_init%s(const char *); }\n\n", libName);
fprintf(fout,"#ifdef VTK_PY3K\n");
fprintf(fout,"extern \"C\" { %sPyObject *PyInit_%s%s(); }\n\n", dllexp, prefix, libName);
fprintf(fout,"PyObject *PyInit_%s()\n", libName);
fprintf(fout,"{\n");
fprintf(fout," return real_init%s(NULL);\n", libName);
fprintf(fout,"}\n");
fprintf(fout,"#else\n");
fprintf(fout,"extern \"C\" { %svoid init%s%s(); }\n\n", dllexp, prefix, libName);
fprintf(fout,"void init%s()\n", libName);
fprintf(fout,"{\n");
fprintf(fout," real_init%s(NULL);\n", libName);
fprintf(fout,"}\n");
fprintf(fout,"#endif\n");
}
/* warning this code is also in getclasses.cxx under pcmaker */
/* this routine creates the init file */
static void CreateImplFile(const char *libName,
int numFiles, char **files,
FILE *fout)
{
int i;
const char* dllexp = "VTK_ABI_EXPORT ";
fprintf(fout,"// Generated by vtkWrapPythonInit in VTK/Wrapping\n");
fprintf(fout,"#include \"vtkPython.h\"\n");
fprintf(fout,"#include \"vtkPythonCompatibility.h\"\n");
fprintf(fout,"#include \"vtkSystemIncludes.h\"\n");
fprintf(fout,"#include <string.h>\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 < numFiles; i++)
{
fprintf(fout,"extern \"C\" {%sPyObject *PyVTKAddFile_%s(PyObject *); }\n", dllexp, files[i]);
}
fprintf(fout,"\nstatic PyMethodDef Py%s_Methods[] = {\n", libName);
fprintf(fout,"{NULL, NULL, 0, NULL}};\n\n");
fprintf(fout,"#ifdef VTK_PY3K\n");
fprintf(fout,"static PyModuleDef Py%s_Module = {\n", libName);
fprintf(fout," PyModuleDef_HEAD_INIT,\n");
fprintf(fout," \"%s\", // m_name\n", libName);
fprintf(fout," NULL, // m_doc\n");
fprintf(fout," 0, // m_size\n");
fprintf(fout," Py%s_Methods, //m_methods\n", libName);
fprintf(fout," NULL, // m_reload\n");
fprintf(fout," NULL, // m_traverse\n");
fprintf(fout," NULL, // m_clear\n");
fprintf(fout," NULL // m_free\n");
fprintf(fout,"};\n");
fprintf(fout,"#endif\n\n");
fprintf(fout,"extern \"C\" {%sPyObject *real_init%s(const char *); }\n\n", dllexp, libName);
fprintf(fout,"PyObject *real_init%s(const char *)\n{\n", libName);
/* module init function */
fprintf(fout,"#ifdef VTK_PY3K\n");
fprintf(fout," PyObject *m = PyModule_Create(&Py%s_Module);\n",
libName);
fprintf(fout,"#else\n\n");
fprintf(fout," PyObject *m = Py_InitModule(\"%s\",\n"
" Py%s_Methods);\n",
libName, libName);
fprintf(fout,"#endif\n\n");
fprintf(fout," PyObject *d = PyModule_GetDict(m);\n");
fprintf(fout," if (!d)\n");
fprintf(fout," {\n");
fprintf(fout," Py_FatalError(\"can't get dictionary for module %s\");\n",
libName);
fprintf(fout," }\n");
for (i = 0; i < numFiles; i++)
{
fprintf(fout," PyVTKAddFile_%s(d);\n",
files[i]);
}
fprintf(fout,"\n");
fprintf(fout," return m;\n");
fprintf(fout,"}\n\n");
}
int main(int argc,char *argv[])
{
FILE *file;
FILE *fout_init;
FILE *fout_impl;
int numFiles = 0;
char libName[250];
char tmpVal[250];
char *files[4000];
if (argc < 4)
{
fprintf(stderr,"Usage: %s input_file init_file impl_file\n",argv[0]);
return 1;
}
file = fopen(argv[1],"r");
if (!file)
{
fprintf(stderr,"Input file %s could not be opened\n",argv[1]);
return 1;
}
/* read the info from the file */
if (fscanf(file,"%s",libName) != 1)
{
fprintf(stderr,"Error getting libName\n");
fclose(file);
return 1;
}
/* read in the classes */
while (fscanf(file,"%s",tmpVal) != EOF)
{
files[numFiles] = strdup(tmpVal);
numFiles++;
}
/* close the file */
fclose(file);
file = NULL;
fout_init = fopen(argv[2],"w");
if (!fout_init)
{
return 1;
}
fout_impl = fopen(argv[3],"w");
if (!fout_impl)
{
fclose(fout_init);
return 1;
}
/* extra functions, types, etc. for the CommonCore module */
if (strcmp(libName, "vtkCommonCorePython") == 0 ||
strcmp(libName, "vtkCommonKitPython") == 0)
{
files[numFiles] = strdup("PyVTKExtras");
numFiles++;
}
CreateInitFile(libName, fout_init);
CreateImplFile(libName, numFiles, files, fout_impl);
fclose(fout_init);
fclose(fout_impl);
return 0;
}