/* Chrysalide - Outil d'analyse de fichiers binaires * basic.c - équivalent Python du fichier "analysis/types/basic.c" * * Copyright (C) 2018 Cyrille Bagard * * This file is part of Chrysalide. * * Chrysalide is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * Chrysalide is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "basic.h" #include #include #include #include "../type.h" #include "../../access.h" #include "../../helpers.h" /* Crée un nouvel objet Python de type 'BasicType'. */ static PyObject *py_basic_type_new(PyTypeObject *, PyObject *, PyObject *); /* Fournit le type de base géré par le type. */ static PyObject *py_basic_type_get_base_type(PyObject *, void *); /* Définit les constantes pour les types de base. */ static bool py_basic_type_define_constants(PyTypeObject *); /****************************************************************************** * * * Paramètres : type = type de l'objet à instancier. * * args = arguments fournis à l'appel. * * kwds = arguments de type key=val fournis. * * * * Description : Crée un nouvel objet Python de type 'BasicType'. * * * * Retour : Instance Python mise en place. * * * * Remarques : - * * * ******************************************************************************/ static PyObject *py_basic_type_new(PyTypeObject *type, PyObject *args, PyObject *kwds) { PyObject *result; /* Instance à retourner */ unsigned long base; /* Type de base à créer */ int ret; /* Bilan de lecture des args. */ GDataType *dtype; /* Version GLib du type */ ret = PyArg_ParseTuple(args, "k", &base); if (!ret) return NULL; if (base >= BTP_INVALID) { PyErr_SetString(PyExc_TypeError, _("Bad basic type.")); return NULL; } dtype = g_basic_type_new(base); result = pygobject_new(G_OBJECT(dtype)); g_object_unref(dtype); return result; } /****************************************************************************** * * * Paramètres : self = objet Python concerné par l'appel. * * closure = non utilisé ici. * * * * Description : Fournit le type de base géré par le type. * * * * Retour : Type basique. * * * * Remarques : - * * * ******************************************************************************/ static PyObject *py_basic_type_get_base_type(PyObject *self, void *closure) { PyObject *result; /* Résultat à retourner */ GBasicType *type; /* Version GLib du type */ BaseType base; /* Type de base à renvoyer */ type = G_BASIC_TYPE(pygobject_get(self)); base = g_basic_type_get_base_type(type); result = PyLong_FromUnsignedLong(base); return result; } /****************************************************************************** * * * Paramètres : - * * * * Description : Fournit un accès à une définition de type à diffuser. * * * * Retour : Définition d'objet pour Python. * * * * Remarques : - * * * ******************************************************************************/ PyTypeObject *get_python_basic_type_type(void) { static PyMethodDef py_basic_type_methods[] = { { NULL } }; static PyGetSetDef py_basic_type_getseters[] = { { "base", py_basic_type_get_base_type, NULL, "Provide the internal identifier of the basic type.", NULL }, { NULL } }; static PyTypeObject py_basic_type_type = { PyVarObject_HEAD_INIT(NULL, 0) .tp_name = "pychrysalide.analysis.types.BasicType", .tp_basicsize = sizeof(PyGObject), .tp_flags = Py_TPFLAGS_DEFAULT, .tp_doc = "PyChrysalide basic type", .tp_methods = py_basic_type_methods, .tp_getset = py_basic_type_getseters, .tp_new = py_basic_type_new }; return &py_basic_type_type; } /****************************************************************************** * * * Paramètres : obj_type = type dont le dictionnaire est à compléter. * * * * Description : Définit les constantes pour les types de base. * * * * Retour : - * * * * Remarques : - * * * ******************************************************************************/ static bool py_basic_type_define_constants(PyTypeObject *obj_type) { bool result; /* Bilan à retourner */ result = true; result &= PyDict_AddIntMacro(obj_type, BTP_VOID); result &= PyDict_AddIntMacro(obj_type, BTP_WCHAR_T); result &= PyDict_AddIntMacro(obj_type, BTP_BOOL); result &= PyDict_AddIntMacro(obj_type, BTP_CHAR); result &= PyDict_AddIntMacro(obj_type, BTP_SCHAR); result &= PyDict_AddIntMacro(obj_type, BTP_UCHAR); result &= PyDict_AddIntMacro(obj_type, BTP_SHORT); result &= PyDict_AddIntMacro(obj_type, BTP_USHORT); result &= PyDict_AddIntMacro(obj_type, BTP_INT); result &= PyDict_AddIntMacro(obj_type, BTP_UINT); result &= PyDict_AddIntMacro(obj_type, BTP_LONG); result &= PyDict_AddIntMacro(obj_type, BTP_ULONG); result &= PyDict_AddIntMacro(obj_type, BTP_LONG_LONG); result &= PyDict_AddIntMacro(obj_type, BTP_ULONG_LONG); result &= PyDict_AddIntMacro(obj_type, BTP_INT128); result &= PyDict_AddIntMacro(obj_type, BTP_UINT128); result &= PyDict_AddIntMacro(obj_type, BTP_FLOAT); result &= PyDict_AddIntMacro(obj_type, BTP_DOUBLE); result &= PyDict_AddIntMacro(obj_type, BTP_LONG_DOUBLE); result &= PyDict_AddIntMacro(obj_type, BTP_FLOAT128); result &= PyDict_AddIntMacro(obj_type, BTP_ELLIPSIS); result &= PyDict_AddIntMacro(obj_type, BTP_754R_64); result &= PyDict_AddIntMacro(obj_type, BTP_754R_128); result &= PyDict_AddIntMacro(obj_type, BTP_754R_32); result &= PyDict_AddIntMacro(obj_type, BTP_754R_16); result &= PyDict_AddIntMacro(obj_type, BTP_CHAR32_T); result &= PyDict_AddIntMacro(obj_type, BTP_CHAR16_T); result &= PyDict_AddIntMacro(obj_type, BTP_INVALID); return result; } /****************************************************************************** * * * Paramètres : module = module dont la définition est à compléter. * * * * Description : Prend en charge l'objet 'pychrysalide.....types.BasicType'. * * * * Retour : Bilan de l'opération. * * * * Remarques : - * * * ******************************************************************************/ bool ensure_python_basic_type_is_registered(void) { PyTypeObject *type; /* Type Python 'BasicType' */ PyObject *module; /* Module à recompléter */ PyObject *dict; /* Dictionnaire du module */ type = get_python_basic_type_type(); if (!PyType_HasFeature(type, Py_TPFLAGS_READY)) { module = get_access_to_python_module("pychrysalide.analysis.types"); dict = PyModule_GetDict(module); if (!ensure_python_data_type_is_registered()) return false; if (!register_class_for_pygobject(dict, G_TYPE_BASIC_TYPE, type, get_python_data_type_type())) return false; if (!py_basic_type_define_constants(type)) return false; } return true; }