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#include "vtkParseMain.h"
#include "vtkParseSystem.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* this routine creates the init file */
static void CreateInitFile(
const char* libName, int numDepends, char** depends, int numFiles, char** files, FILE* fout)
{
int i;
fprintf(fout, "// Generated by vtkWrapPythonInit (see Wrapping/Tools/vtkWrapPythonInit.c)\n");
fprintf(fout, "\n#include \"vtkPythonUtil.h\"\n");
fprintf(fout, "#include \"vtkSystemIncludes.h\"\n");
fprintf(fout, "#include <cstring>\n");
fprintf(fout,
"\n// 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");
fprintf(fout, "\n// Export the module initialization function\n");
fprintf(fout, "extern \"C\" { %s PyObject *PyInit_%s(); }\n", "VTK_ABI_EXPORT", libName);
fprintf(fout, "\n// Each PyVTKAddFile_<name>() is implemented in <name>Python.cxx,\n");
fprintf(fout, "// where <name>Python.cxx is generated by running the vtkWrapPython\n");
fprintf(fout, "// executable on the <name>.h header file.\n");
for (i = 0; i < numFiles; i++)
{
fprintf(fout, "extern \"C\" { void PyVTKAddFile_%s(PyObject *dict); }\n", files[i]);
}
fprintf(fout, "\nstatic PyMethodDef Py%s_Methods[] = {\n", libName);
fprintf(fout, " { nullptr, nullptr, 0, nullptr }\n};\n");
fprintf(fout, "\nstatic PyModuleDef Py%s_Module = {\n", libName);
fprintf(fout, " PyModuleDef_HEAD_INIT,\n");
fprintf(fout, " \"%s\", // m_name\n", libName);
fprintf(fout, " nullptr, // m_doc\n");
fprintf(fout, " 0, // m_size\n");
fprintf(fout, " Py%s_Methods, //m_methods\n", libName);
fprintf(fout, " nullptr, // m_reload\n");
fprintf(fout, " nullptr, // m_traverse\n");
fprintf(fout, " nullptr, // m_clear\n");
fprintf(fout, " nullptr // m_free\n");
fprintf(fout, "};\n");
/* module init function */
fprintf(fout, "\nPyObject *PyInit_%s()\n", libName);
fprintf(fout, "{\n");
fprintf(fout, " PyObject *m = PyModule_Create(&Py%s_Module);\n", libName);
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\n");
/* import all the modules that we depend on */
if (numDepends > 0)
{
fprintf(fout, " const char *depends[%d] = {\n", numDepends);
for (i = 0; i < numDepends; i++)
{
fprintf(fout, " \"%s\",\n", depends[i]);
}
fprintf(fout, " };\n\n");
fprintf(fout, " for (int i = 0; i < %d; i++)\n", numDepends);
fprintf(fout, " {\n");
fprintf(fout, " if (!vtkPythonUtil::ImportModule(depends[i], d))\n");
fprintf(fout, " {\n");
fprintf(fout, " Py_DECREF(m);\n");
fprintf(fout,
" return PyErr_Format(PyExc_ImportError,\n"
" \"Failed to load %s: No module named %%s\",\n"
" depends[i]);\n",
libName);
fprintf(fout, " }\n");
fprintf(fout, " }\n\n");
/* vtkPythonUtil should have been initialized by one of our dependencies */
fprintf(fout, " if (!vtkPythonUtil::IsInitialized())\n");
fprintf(fout, " {\n");
fprintf(fout, " Py_DECREF(m);\n");
fprintf(fout,
" return PyErr_Format(PyExc_ImportError,\n"
" \"Initialization failed for %s, not compatible with %%s\",\n"
" depends[0]);\n",
libName);
fprintf(fout, " }\n\n");
}
else
{
/* if we have no dependencies, ensure wrappers are initialized */
fprintf(fout, " vtkPythonUtil::Initialize();\n\n");
}
for (i = 0; i < numFiles; i++)
{
fprintf(fout, " PyVTKAddFile_%s(d);\n", files[i]);
}
fprintf(fout, "\n");
fprintf(fout, " vtkPythonUtil::AddModule(\"%s\");\n\n", libName);
fprintf(fout, " return m;\n");
fprintf(fout, "}\n");
}
int VTK_PARSE_MAIN(int argc, const char* argv[])
{
FILE* file;
FILE* fout_init;
int numFiles = 0;
int numDepends = 0;
int i;
char libName[250];
char tmpVal[250];
char* files[4000];
char* depends[400];
int doDepends = 0;
if (argc < 3)
{
fprintf(stderr, "Usage: %s input_file init_file\n", argv[0]);
return 1;
}
file = vtkParse_FileOpen(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, "%249s", libName) != 1)
{
fprintf(stderr, "Error getting libName\n");
fclose(file);
return 1;
}
/* read in the classes */
while (fscanf(file, "%249s", tmpVal) != EOF)
{
if (strcmp(tmpVal, "DEPENDS") == 0)
{
doDepends = 1;
}
else if (doDepends)
{
depends[numDepends++] = strdup(tmpVal);
}
else
{
files[numFiles++] = strdup(tmpVal);
}
}
/* close the file */
fclose(file);
file = NULL;
fout_init = vtkParse_FileOpen(argv[2], "w");
if (!fout_init)
{
return 1;
}
/* extra functions, types, etc. for the CommonCore module */
if (strcmp(libName, "vtkCommonCore") == 0 || strcmp(libName, "vtkCommonKit") == 0)
{
files[numFiles] = strdup("PyVTKExtras");
numFiles++;
}
CreateInitFile(libName, numDepends, depends, numFiles, files, fout_init);
for (i = 0; i < numFiles; i++)
{
free(files[i]);
}
for (i = 0; i < numDepends; i++)
{
free(depends[i]);
}
fclose(fout_init);
return 0;
}
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