mirror of
https://github.com/samba-team/samba.git
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6877e4849e
This adds more .text than it strips .data, but .text is shared between all processes, .data is copied. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
206 lines
9.0 KiB
Python
Executable File
206 lines
9.0 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Unix SMB/CIFS implementation.
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#
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# HRESULT Error definitions
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#
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# Copyright (C) Noel Power <noel.power@suse.com> 2014
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import sys
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from gen_error_common import parseErrorDescriptions
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def write_license(out_file):
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out_file.write("/*\n")
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out_file.write(" * Unix SMB/CIFS implementation.\n")
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out_file.write(" *\n")
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out_file.write(" * HRESULT Error definitions\n")
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out_file.write(" *\n")
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out_file.write(" * Copyright (C) Noel Power <noel.power@suse.com> 2014\n")
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out_file.write(" *\n")
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out_file.write(" * This program is free software; you can redistribute it and/or modify\n")
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out_file.write(" * it under the terms of the GNU General Public License as published by\n")
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out_file.write(" * the Free Software Foundation; either version 3 of the License, or\n")
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out_file.write(" * (at your option) any later version.\n")
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out_file.write(" *\n")
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out_file.write(" * This program is distributed in the hope that it will be useful,\n")
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out_file.write(" * but WITHOUT ANY WARRANTY; without even the implied warranty of\n")
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out_file.write(" * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n")
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out_file.write(" * GNU General Public License for more details.\n")
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out_file.write(" *\n")
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out_file.write(" * You should have received a copy of the GNU General Public License\n")
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out_file.write(" * along with this program. If not, see <http://www.gnu.org/licenses/>.\n")
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out_file.write(" */\n")
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out_file.write("\n")
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def generateHeaderFile(out_file, errors):
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write_license(out_file)
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out_file.write("#ifndef _HRESULT_H_\n")
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out_file.write("#define _HRESULT_H_\n\n")
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macro_magic = "#if defined(HAVE_IMMEDIATE_STRUCTURES)\n"
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macro_magic += "typedef struct {uint32_t h;} HRESULT;\n"
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macro_magic += "#define HRES_ERROR(x) ((HRESULT) { x })\n"
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macro_magic += "#define HRES_ERROR_V(x) ((x).h)\n"
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macro_magic += "#else\n"
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macro_magic += "typedef uint32_t HRESULT;\n"
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macro_magic += "#define HRES_ERROR(x) (x)\n"
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macro_magic += "#define HRES_ERROR_V(x) (x)\n"
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macro_magic += "#endif\n"
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macro_magic += "\n"
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macro_magic += "#define HRES_IS_OK(x) (HRES_ERROR_V(x) == 0)\n"
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macro_magic += "#define HRES_IS_EQUAL(x,y) (HRES_ERROR_V(x) == HRES_ERROR_V(y))\n"
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out_file.write(macro_magic)
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out_file.write("\n\n")
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out_file.write("/*\n")
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out_file.write(" * The following error codes are autogenerated from [MS-ERREF]\n")
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out_file.write(" * see http://msdn.microsoft.com/en-us/library/cc704587.aspx\n")
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out_file.write(" */\n")
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out_file.write("\n")
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for err in errors:
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line = "#define {0:49} HRES_ERROR(0x{1:08X})\n".format(err.err_define ,err.err_code)
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out_file.write(line)
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out_file.write("\nconst char *hresult_errstr_const(HRESULT err_code);\n")
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out_file.write("\nconst char *hresult_errstr(HRESULT err_code);\n")
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out_file.write("\n#define FACILITY_WIN32 0x0007\n")
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out_file.write("#define WIN32_FROM_HRESULT(x) (HRES_ERROR_V(x) == 0 ? HRES_ERROR_V(x) : ~((FACILITY_WIN32 << 16) | 0x80000000) & HRES_ERROR_V(x))\n")
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out_file.write("#define HRESULT_IS_LIKELY_WERR(x) ((HRES_ERROR_V(x) & 0xFFFF0000) == 0x80070000)\n")
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out_file.write("#define HRESULT_FROM_WERROR(x) (HRES_ERROR(0x80070000 | W_ERROR_V(x)))\n")
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out_file.write("\n\n\n#endif /*_HRESULT_H_*/")
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def generateSourceFile(out_file, errors):
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write_license(out_file)
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out_file.write("#include \"includes.h\"\n")
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out_file.write("#include \"hresult.h\"\n")
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out_file.write("/*\n")
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out_file.write(" * The following error codes and descriptions are autogenerated from [MS-ERREF]\n")
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out_file.write(" * see http://msdn.microsoft.com/en-us/library/cc704587.aspx\n")
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out_file.write(" */\n")
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out_file.write("\n")
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out_file.write("const char *hresult_errstr_const(HRESULT err_code)\n")
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out_file.write("{\n")
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out_file.write(" const char *result = NULL;\n")
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out_file.write("\n")
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out_file.write(" switch (HRES_ERROR_V(err_code)) {\n")
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for err in errors:
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out_file.write(f' case 0x{err.err_code:X}:\n')
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out_file.write(f' result = \"{err.err_define}\";\n')
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out_file.write(f' break;\n')
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out_file.write(" }\n")
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out_file.write("\n")
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out_file.write(" /* convert & check win32 error space? */\n")
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out_file.write(" if (result == NULL && HRESULT_IS_LIKELY_WERR(err_code)) {\n")
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out_file.write(" WERROR wErr = W_ERROR(WIN32_FROM_HRESULT(err_code));\n")
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out_file.write(" result = get_friendly_werror_msg(wErr);\n")
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out_file.write(" }\n")
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out_file.write(" return result;\n")
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out_file.write("}\n")
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out_file.write("\n")
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out_file.write("const char *hresult_errstr(HRESULT err_code)\n")
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out_file.write("{\n")
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out_file.write(" static char msg[22];\n")
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out_file.write("\n")
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out_file.write(" switch (HRES_ERROR_V(err_code)) {\n")
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for err in errors:
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out_file.write(f' case 0x{err.err_code:X}:\n')
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out_file.write(f' return \"{err.err_string}\";\n')
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out_file.write(f' break;\n')
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out_file.write(" }\n")
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out_file.write(" snprintf(msg, sizeof(msg), \"HRES code 0x%08x\", HRES_ERROR_V(err_code));\n")
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out_file.write(" return msg;\n")
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out_file.write("}\n")
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def generatePythonFile(out_file, errors):
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out_file.write("/*\n")
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out_file.write(" * Errors generated from\n")
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out_file.write(" * [MS-ERREF] http://msdn.microsoft.com/en-us/library/cc704587.aspx\n")
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out_file.write(" */\n")
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out_file.write("#include \"lib/replace/system/python.h\"\n")
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out_file.write("#include \"python/py3compat.h\"\n")
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out_file.write("#include \"includes.h\"\n\n")
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out_file.write("static struct PyModuleDef moduledef = {\n")
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out_file.write("\tPyModuleDef_HEAD_INIT,\n")
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out_file.write("\t.m_name = \"hresult\",\n")
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out_file.write("\t.m_doc = \"HRESULT defines\",\n")
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out_file.write("\t.m_size = -1,\n")
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out_file.write("\t};\n\n")
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out_file.write("MODULE_INIT_FUNC(hresult)\n")
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out_file.write("{\n")
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out_file.write("\tPyObject *m = NULL;\n")
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out_file.write("\tPyObject *py_obj = NULL;\n")
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out_file.write("\tint ret;\n\n")
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out_file.write("\tm = PyModule_Create(&moduledef);\n")
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out_file.write("\tif (m == NULL) {\n")
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out_file.write("\t\treturn NULL;\n")
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out_file.write("\t}\n\n")
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for err in errors:
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out_file.write(f"\tpy_obj = PyLong_FromUnsignedLongLong(HRES_ERROR_V({err.err_define}));\n")
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out_file.write(f"\tret = PyModule_AddObject(m, \"{err.err_define}\", py_obj);\n")
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out_file.write("\tif (ret) {\n")
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out_file.write("\t\tPy_XDECREF(py_obj);\n")
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out_file.write("\t\tPy_DECREF(m);\n")
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out_file.write("\t\treturn NULL;\n")
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out_file.write("\t}\n")
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out_file.write("\n")
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out_file.write("\treturn m;\n")
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out_file.write("}\n")
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def transformErrorName(error_name):
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return "HRES_" + error_name
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# Very simple script to generate files hresult.c & hresult.h
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# This script takes four inputs:
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# [1]: The name of the text file which is the content of an HTML table
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# (such as that found at https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-erref/705fb797-2175-4a90-b5a3-3918024b10b8)
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# copied and pasted.
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# [2]: The name of the output generated header file with HResult #defines
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# [3]: The name of the output generated source file with C arrays
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# [4]: The name of the output generated python file
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def main ():
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input_file1 = None
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if len(sys.argv) == 5:
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input_file1 = sys.argv[1]
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gen_headerfile_name = sys.argv[2]
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gen_sourcefile_name = sys.argv[3]
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gen_pythonfile_name = sys.argv[4]
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else:
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print("usage: %s winerrorfile headerfile sourcefile pythonfile"%(sys.argv[0]))
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sys.exit()
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# read in the data
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with open(input_file1) as file_contents:
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errors = parseErrorDescriptions(file_contents, False, transformErrorName)
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print(f"writing new header file: {gen_headerfile_name}")
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with open(gen_headerfile_name,"w") as out_file:
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generateHeaderFile(out_file, errors)
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print(f"writing new source file: {gen_sourcefile_name}")
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with open(gen_sourcefile_name,"w") as out_file:
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generateSourceFile(out_file, errors)
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print(f"writing new python file: {gen_pythonfile_name}")
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with open(gen_pythonfile_name,"w") as out_file:
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generatePythonFile(out_file, errors)
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if __name__ == '__main__':
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main()
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