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authorCyrille Bagard <nocbos@gmail.com>2020-06-07 20:42:22 (GMT)
committerCyrille Bagard <nocbos@gmail.com>2020-06-07 20:42:22 (GMT)
commitad1caf61fccd0d74be6ac92c41d83e9b0008ff2b (patch)
tree025d935a91ab84e43eb7a20e6192293ab2e87d55 /plugins/pychrysalide/arch
parentc87020ce7d1cd0a46f8122839c53ffa3e49fd172 (diff)
Reorganized the operands behaving like proxies.
Diffstat (limited to 'plugins/pychrysalide/arch')
-rw-r--r--plugins/pychrysalide/arch/Makefile.am1
-rw-r--r--plugins/pychrysalide/arch/feeder.c116
-rw-r--r--plugins/pychrysalide/arch/module.c2
-rw-r--r--plugins/pychrysalide/arch/operands/Makefile.am2
-rw-r--r--plugins/pychrysalide/arch/operands/feeder.c452
-rw-r--r--plugins/pychrysalide/arch/operands/feeder.h (renamed from plugins/pychrysalide/arch/feeder.h)11
-rw-r--r--plugins/pychrysalide/arch/operands/module.c4
-rw-r--r--plugins/pychrysalide/arch/operands/proxy.c383
-rw-r--r--plugins/pychrysalide/arch/operands/proxy.h48
9 files changed, 896 insertions, 123 deletions
diff --git a/plugins/pychrysalide/arch/Makefile.am b/plugins/pychrysalide/arch/Makefile.am
index 45fd567..cbac988 100644
--- a/plugins/pychrysalide/arch/Makefile.am
+++ b/plugins/pychrysalide/arch/Makefile.am
@@ -4,7 +4,6 @@ noinst_LTLIBRARIES = libpychrysaarch.la
libpychrysaarch_la_SOURCES = \
constants.h constants.c \
context.h context.c \
- feeder.h feeder.c \
instriter.h instriter.c \
instruction.h instruction.c \
module.h module.c \
diff --git a/plugins/pychrysalide/arch/feeder.c b/plugins/pychrysalide/arch/feeder.c
deleted file mode 100644
index fbabe80..0000000
--- a/plugins/pychrysalide/arch/feeder.c
+++ /dev/null
@@ -1,116 +0,0 @@
-
-/* Chrysalide - Outil d'analyse de fichiers binaires
- * feeder.c - prototypes pour l'équivalent Python du fichier "arch/feeder.c"
- *
- * Copyright (C) 2018-2019 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 "feeder.h"
-
-
-#include <assert.h>
-#include <pygobject.h>
-
-
-#include <arch/feeder.h>
-
-
-#include "../access.h"
-#include "../helpers.h"
-
-
-
-/******************************************************************************
-* *
-* Paramètres : - *
-* *
-* Description : Fournit un accès à une définition de type à diffuser. *
-* *
-* Retour : Définition d'objet pour Python. *
-* *
-* Remarques : - *
-* *
-******************************************************************************/
-
-PyTypeObject *get_python_proxy_feeder_type(void)
-{
- static PyMethodDef py_proxy_feeder_methods[] = {
- { NULL }
- };
-
- static PyGetSetDef py_proxy_feeder_getseters[] = {
- { NULL }
- };
-
- static PyTypeObject py_proxy_feeder_type = {
-
- PyVarObject_HEAD_INIT(NULL, 0)
-
- .tp_name = "pychrysalide.arch.ProxyFeeder",
- .tp_basicsize = sizeof(PyObject),
-
- .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
-
- .tp_doc = "PyChrysalide proxy feeder",
-
- .tp_methods = py_proxy_feeder_methods,
- .tp_getset = py_proxy_feeder_getseters
-
- };
-
- return &py_proxy_feeder_type;
-
-}
-
-
-/******************************************************************************
-* *
-* Paramètres : - *
-* *
-* Description : Prend en charge l'objet 'pychrysalide.arch.ProxyFeeder'. *
-* *
-* Retour : Bilan de l'opération. *
-* *
-* Remarques : - *
-* *
-******************************************************************************/
-
-bool ensure_python_proxy_feeder_is_registered(void)
-{
- PyTypeObject *type; /* Type Python 'ProxyFeeder' */
- PyObject *module; /* Module à recompléter */
- PyObject *dict; /* Dictionnaire du module */
-
- type = get_python_proxy_feeder_type();
-
- if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
- {
- module = get_access_to_python_module("pychrysalide.arch");
-
- dict = PyModule_GetDict(module);
-
- if (!register_interface_for_pygobject(dict, G_TYPE_PROXY_FEEDER, type))
- return false;
-
- }
-
- return true;
-
-}
diff --git a/plugins/pychrysalide/arch/module.c b/plugins/pychrysalide/arch/module.c
index 1fa017d..5cd6c17 100644
--- a/plugins/pychrysalide/arch/module.c
+++ b/plugins/pychrysalide/arch/module.c
@@ -33,7 +33,6 @@
#include "context.h"
-#include "feeder.h"
#include "instriter.h"
#include "instruction.h"
#include "operand.h"
@@ -168,7 +167,6 @@ bool populate_arch_module(void)
result = true;
if (result) result = ensure_python_proc_context_is_registered();
- if (result) result = ensure_python_proxy_feeder_is_registered();
if (result) result = ensure_python_instr_iterator_is_registered();
if (result) result = ensure_python_arch_instruction_is_registered();
if (result) result = ensure_python_arch_operand_is_registered();
diff --git a/plugins/pychrysalide/arch/operands/Makefile.am b/plugins/pychrysalide/arch/operands/Makefile.am
index 7938320..2074b6b 100644
--- a/plugins/pychrysalide/arch/operands/Makefile.am
+++ b/plugins/pychrysalide/arch/operands/Makefile.am
@@ -3,8 +3,10 @@ noinst_LTLIBRARIES = libpychrysaarchoperands.la
libpychrysaarchoperands_la_SOURCES = \
constants.h constants.c \
+ feeder.h feeder.c \
immediate.h immediate.c \
module.h module.c \
+ proxy.h proxy.c \
register.h register.c \
rename.h rename.c \
targetable.h targetable.c
diff --git a/plugins/pychrysalide/arch/operands/feeder.c b/plugins/pychrysalide/arch/operands/feeder.c
new file mode 100644
index 0000000..68fa052
--- /dev/null
+++ b/plugins/pychrysalide/arch/operands/feeder.c
@@ -0,0 +1,452 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * feeder.c - prototypes pour l'équivalent Python du fichier "arch/operands/feeder.c"
+ *
+ * Copyright (C) 2018-2019 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 "feeder.h"
+
+
+#include <assert.h>
+#include <pygobject.h>
+
+
+#include <arch/operands/feeder-int.h>
+
+
+#include "../../access.h"
+#include "../../helpers.h"
+#include "../../glibext/bufferline.h"
+
+
+
+/* ------------------------ GLUE POUR CREATION DEPUIS PYTHON ------------------------ */
+
+
+/* Procède à l'initialisation de l'interface de génération. */
+static void py_proxy_feeder_interface_init(GProxyFeederIface *, gpointer *);
+
+/* Compare un fournisseur avec un autre. */
+static int py_proxy_feeder___cmp___wrapper(const GProxyFeeder *, const GProxyFeeder *);
+
+/* Traduit un fournisseur en version humainement lisible. */
+static void py_proxy_feeder_print_wrapper(const GProxyFeeder *, GBufferLine *);
+
+
+
+/* ------------------------- CONNEXION AVEC L'API DE PYTHON ------------------------- */
+
+
+/* Effectue une comparaison avec un objet Python 'ProxyFeeder'. */
+static PyObject *py_proxy_feeder_richcompare(PyObject *, PyObject *, int);
+
+/* Traduit un fournisseur en version humainement lisible. */
+static PyObject *py_proxy_feeder_print(PyObject *, PyObject *);
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/* GLUE POUR CREATION DEPUIS PYTHON */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+* *
+* Paramètres : iface = interface GLib à initialiser. *
+* unused = adresse non utilisée ici. *
+* *
+* Description : Procède à l'initialisation de l'interface de génération. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void py_proxy_feeder_interface_init(GProxyFeederIface *iface, gpointer *unused)
+{
+
+#define PROXY_FEEDER_DOC \
+ "ProxyFeeder gives an interface for operands which aim to provide" \
+ " a dynamic content.\n" \
+ "\n" \
+ "A typical class declaration for a new implementation looks like:\n" \
+ "\n" \
+ " class NewImplem(GObject.Object, ProxyFeeder):\n" \
+ " ...\n" \
+ "\n" \
+ "The following methods have to be defined for new implementations:\n" \
+ "* pychrysalide.arch.operands.ProxyFeeder._compare();\n" \
+ "* pychrysalide.arch.operands.ProxyFeeder._print();\n" \
+
+ iface->compare = py_proxy_feeder___cmp___wrapper;
+ iface->print = py_proxy_feeder_print_wrapper;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : a = premier opérande à consulter. *
+* b = second opérande à consulter. *
+* *
+* Description : Compare un fournisseur avec un autre. *
+* *
+* Retour : Bilan de la comparaison. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static int py_proxy_feeder___cmp___wrapper(const GProxyFeeder *a, const GProxyFeeder *b)
+{
+ int result; /* Empreinte à retourner */
+ PyGILState_STATE gstate; /* Sauvegarde d'environnement */
+ PyObject *pyobj; /* Objet Python concerné */
+ PyObject *args; /* Arguments pour l'appel */
+ PyObject *pyret; /* Bilan de consultation */
+
+#define PROXY_FEEDER_CMP_WRAPPER PYTHON_WRAPPER_DEF \
+( \
+ __cmp__, "$self, other, /", \
+ METH_VARARGS, \
+ "Abstract method used to compare the proxy feeder with" \
+ " another one. This second object is always an" \
+ " pychrysalide.arch.operands.ProxyFeeder instance.\n" \
+ "\n" \
+ " This is the Python old-style comparison method, but" \
+ " Chrysalide provides a glue to automatically build a rich" \
+ " version of this function." \
+)
+
+ result = 0;
+
+ gstate = PyGILState_Ensure();
+
+ pyobj = pygobject_new(G_OBJECT(a));
+
+ if (has_python_method(pyobj, "__cmp__"))
+ {
+ args = PyTuple_New(1);
+ PyTuple_SetItem(args, 0, pygobject_new(G_OBJECT(b)));
+
+ pyret = run_python_method(pyobj, "__cmp__", args);
+
+ if (pyret != NULL)
+ {
+ if (PyLong_Check(pyret))
+ result = PyLong_AsLong(pyret);
+ }
+
+ Py_DECREF(args);
+
+ Py_XDECREF(pyret);
+
+ }
+
+ Py_DECREF(pyobj);
+
+ PyGILState_Release(gstate);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : feeder = fournisseur à traiter. *
+* line = ligne tampon où imprimer l'élément donné. *
+* *
+* Description : Traduit un fournisseur en version humainement lisible. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void py_proxy_feeder_print_wrapper(const GProxyFeeder *feeder, GBufferLine *line)
+{
+ PyGILState_STATE gstate; /* Sauvegarde d'environnement */
+ PyObject *pyobj; /* Objet Python concerné */
+ PyObject *args; /* Arguments pour l'appel */
+ PyObject *pyret; /* Bilan de consultation */
+
+#define PROXY_FEEDER_PRINT_WRAPPER PYTHON_WRAPPER_DEF \
+( \
+ _print, "$self, line, /", \
+ METH_VARARGS, \
+ "Abstract method used to generate content into a rendering" \
+ " line, which is a provided pychrysalide.glibext.BufferLine" \
+ " instance." \
+)
+
+ gstate = PyGILState_Ensure();
+
+ pyobj = pygobject_new(G_OBJECT(feeder));
+
+ if (has_python_method(pyobj, "_print"))
+ {
+ args = PyTuple_New(1);
+ PyTuple_SetItem(args, 0, pygobject_new(G_OBJECT(line)));
+
+ pyret = run_python_method(pyobj, "_print", args);
+
+ Py_XDECREF(pyret);
+
+ Py_DECREF(args);
+
+ }
+
+ Py_DECREF(pyobj);
+
+ PyGILState_Release(gstate);
+
+}
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/* CONNEXION AVEC L'API DE PYTHON */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+* *
+* Paramètres : a = premier object Python à consulter. *
+* b = second object Python à consulter. *
+* op = type de comparaison menée. *
+* *
+* Description : Effectue une comparaison avec un objet Python 'ProxyFeeder'. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_proxy_feeder_richcompare(PyObject *a, PyObject *b, int op)
+{
+ PyObject *result; /* Bilan à retourner */
+ int ret; /* Bilan de lecture des args. */
+ const GProxyFeeder *feeder_a; /* Premier élément à traiter */
+ const GProxyFeeder *feeder_b; /* Second élément à traiter */
+ int status; /* Résultat d'une comparaison */
+
+ ret = PyObject_IsInstance(b, (PyObject *)get_python_proxy_feeder_type());
+ if (!ret)
+ {
+ result = Py_NotImplemented;
+ goto cmp_done;
+ }
+
+ feeder_a = G_PROXY_FEEDER(pygobject_get(a));
+ feeder_b = G_PROXY_FEEDER(pygobject_get(b));
+
+ status = py_proxy_feeder___cmp___wrapper(feeder_a, feeder_b);
+
+ result = status_to_rich_cmp_state(status, op);
+
+ cmp_done:
+
+ Py_INCREF(result);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : self = classe représentant un générateur à manipuler. *
+* args = arguments fournis à l'appel. *
+* *
+* Description : Traduit un fournisseur en version humainement lisible. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_proxy_feeder_print(PyObject *self, PyObject *args)
+{
+ GBufferLine *line; /* Ligne de rendu à compléter */
+ GProxyFeeder *feeder; /* Version native */
+ int ret; /* Bilan de lecture des args. */
+
+#define PROXY_FEEDER_PRINT_METHOD PYTHON_METHOD_DEF \
+( \
+ print, "$self, line, /", \
+ METH_VARARGS, py_proxy_feeder, \
+ "Produce output into a rendering line.\n" \
+ "\n" \
+ "The provided line is a pychrysalide.glibext.BufferLine instance." \
+)
+
+ ret = PyArg_ParseTuple(args, "O&", convert_to_buffer_line, &line);
+ if (!ret) return NULL;
+
+ feeder = G_PROXY_FEEDER(pygobject_get(self));
+
+ g_proxy_feeder_print(feeder, line);
+
+ Py_RETURN_NONE;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : - *
+* *
+* Description : Fournit un accès à une définition de type à diffuser. *
+* *
+* Retour : Définition d'objet pour Python. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+PyTypeObject *get_python_proxy_feeder_type(void)
+{
+ static PyMethodDef py_proxy_feeder_methods[] = {
+ PROXY_FEEDER_CMP_WRAPPER,
+ PROXY_FEEDER_PRINT_WRAPPER,
+ PROXY_FEEDER_PRINT_METHOD,
+ { NULL }
+ };
+
+ static PyGetSetDef py_proxy_feeder_getseters[] = {
+ { NULL }
+ };
+
+ static PyTypeObject py_proxy_feeder_type = {
+
+ PyVarObject_HEAD_INIT(NULL, 0)
+
+ .tp_name = "pychrysalide.arch.operands.ProxyFeeder",
+ .tp_basicsize = sizeof(PyObject),
+
+ .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+
+ .tp_doc = PROXY_FEEDER_DOC,
+
+ .tp_richcompare = py_proxy_feeder_richcompare,
+
+ .tp_methods = py_proxy_feeder_methods,
+ .tp_getset = py_proxy_feeder_getseters
+
+ };
+
+ return &py_proxy_feeder_type;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : - *
+* *
+* Description : Prend en charge l'objet 'pychrysalide.arch.ProxyFeeder'. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool ensure_python_proxy_feeder_is_registered(void)
+{
+ PyTypeObject *type; /* Type Python 'ProxyFeeder' */
+ PyObject *module; /* Module à recompléter */
+ PyObject *dict; /* Dictionnaire du module */
+
+ static GInterfaceInfo info = { /* Paramètres d'inscription */
+
+ .interface_init = (GInterfaceInitFunc)py_proxy_feeder_interface_init,
+ .interface_finalize = NULL,
+ .interface_data = NULL,
+
+ };
+
+ type = get_python_proxy_feeder_type();
+
+ if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
+ {
+ module = get_access_to_python_module("pychrysalide.arch.operands");
+
+ dict = PyModule_GetDict(module);
+
+ if (!register_interface_for_pygobject_2(dict, G_TYPE_PROXY_FEEDER, type, &info))
+ return false;
+
+ }
+
+ return true;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : arg = argument quelconque à tenter de convertir. *
+* dst = destination des valeurs récupérées en cas de succès. *
+* *
+* Description : Tente de convertir en fournisseur intermédiaire. *
+* *
+* Retour : Bilan de l'opération, voire indications supplémentaires. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+int convert_to_proxy_feeder(PyObject *arg, void *dst)
+{
+ int result; /* Bilan à retourner */
+
+ result = PyObject_IsInstance(arg, (PyObject *)get_python_proxy_feeder_type());
+
+ switch (result)
+ {
+ case -1:
+ /* L'exception est déjà fixée par Python */
+ result = 0;
+ break;
+
+ case 0:
+ PyErr_SetString(PyExc_TypeError, "unable to convert the provided argument to proxy feeder");
+ break;
+
+ case 1:
+ *((GProxyFeeder **)dst) = G_PROXY_FEEDER(pygobject_get(arg));
+ break;
+
+ default:
+ assert(false);
+ break;
+
+ }
+
+ return result;
+
+}
diff --git a/plugins/pychrysalide/arch/feeder.h b/plugins/pychrysalide/arch/operands/feeder.h
index 2655bbc..80a5e7d 100644
--- a/plugins/pychrysalide/arch/feeder.h
+++ b/plugins/pychrysalide/arch/operands/feeder.h
@@ -1,6 +1,6 @@
/* Chrysalide - Outil d'analyse de fichiers binaires
- * feeder.h - prototypes pour l'équivalent Python du fichier "arch/feeder.h"
+ * feeder.h - prototypes pour l'équivalent Python du fichier "arch/operands/feeder.h"
*
* Copyright (C) 2018 Cyrille Bagard
*
@@ -22,8 +22,8 @@
*/
-#ifndef _PLUGINS_PYCHRYSALIDE_ARCH_FEEDER_H
-#define _PLUGINS_PYCHRYSALIDE_ARCH_FEEDER_H
+#ifndef _PLUGINS_PYCHRYSALIDE_ARCH_OPERANDS_FEEDER_H
+#define _PLUGINS_PYCHRYSALIDE_ARCH_OPERANDS_FEEDER_H
#include <Python.h>
@@ -37,6 +37,9 @@ PyTypeObject *get_python_proxy_feeder_type(void);
/* Prend en charge l'objet 'pychrysalide.arch.ProxyFeeder'. */
bool ensure_python_proxy_feeder_is_registered(void);
+/* Tente de convertir en fournisseur intermédiaire. */
+int convert_to_proxy_feeder(PyObject *, void *);
-#endif /* _PLUGINS_PYCHRYSALIDE_ARCH_FEEDER_H */
+
+#endif /* _PLUGINS_PYCHRYSALIDE_ARCH_OPERANDS_FEEDER_H */
diff --git a/plugins/pychrysalide/arch/operands/module.c b/plugins/pychrysalide/arch/operands/module.c
index cbd0bde..15d7835 100644
--- a/plugins/pychrysalide/arch/operands/module.c
+++ b/plugins/pychrysalide/arch/operands/module.c
@@ -28,7 +28,9 @@
#include <assert.h>
+#include "feeder.h"
#include "immediate.h"
+#include "proxy.h"
#include "register.h"
#include "rename.h"
#include "targetable.h"
@@ -97,8 +99,10 @@ bool populate_arch_operands_module(void)
result = true;
+ if (result) result = ensure_python_proxy_feeder_is_registered();
if (result) result = ensure_python_imm_operand_is_registered();
if (result) result = ensure_python_known_imm_operand_is_registered();
+ if (result) result = ensure_python_proxy_operand_is_registered();
if (result) result = ensure_python_register_operand_is_registered();
if (result) result = ensure_python_renamed_operand_is_registered();
if (result) result = ensure_python_renameable_operand_is_registered();
diff --git a/plugins/pychrysalide/arch/operands/proxy.c b/plugins/pychrysalide/arch/operands/proxy.c
new file mode 100644
index 0000000..401fe40
--- /dev/null
+++ b/plugins/pychrysalide/arch/operands/proxy.c
@@ -0,0 +1,383 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * proxy.c - équivalent Python du fichier "arch/operands/proxy.c"
+ *
+ * Copyright (C) 2020 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 "proxy.h"
+
+
+#include <pygobject.h>
+
+
+#include <i18n.h>
+#include <arch/operands/proxy-int.h>
+#include <plugins/dt.h>
+
+
+#include "feeder.h"
+#include "../operand.h"
+#include "../../access.h"
+#include "../../helpers.h"
+
+
+
+/* ------------------------ GLUE POUR CREATION DEPUIS PYTHON ------------------------ */
+
+
+/* Accompagne la création d'une instance dérivée en Python. */
+static PyObject *py_proxy_operand_new(PyTypeObject *, PyObject *, PyObject *);
+
+/* Initialise la classe des descriptions de fichier binaire. */
+static void py_proxy_operand_init_gclass(GProxyOperandClass *, gpointer);
+
+/* Initialise une instance sur la base du dérivé de GObject. */
+static int py_proxy_operand_init(PyObject *, PyObject *, PyObject *);
+
+
+
+/* ------------------ OPERANDES CONSTITUANT DE PURS INTERMEDIAIRES ------------------ */
+
+
+/* Fournit le fournisseur représenté par l'opérande. */
+static PyObject *py_proxy_operand_get_feeder(PyObject *, void *);
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/* GLUE POUR CREATION DEPUIS PYTHON */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+* *
+* Paramètres : type = type du nouvel objet à mettre en place. *
+* args = éventuelle liste d'arguments. *
+* kwds = éventuel dictionnaire de valeurs mises à disposition. *
+* *
+* Description : Accompagne la création d'une instance dérivée en Python. *
+* *
+* Retour : Nouvel objet Python mis en place ou NULL en cas d'échec. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_proxy_operand_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
+{
+ PyObject *result; /* Objet à retourner */
+ PyTypeObject *base; /* Type de base à dériver */
+ bool first_time; /* Evite les multiples passages*/
+ GType gtype; /* Nouveau type de processeur */
+ bool status; /* Bilan d'un enregistrement */
+
+ /* Validations diverses */
+
+ base = get_python_proxy_operand_type();
+
+ if (type == base)
+ goto simple_way;
+
+ /* Mise en place d'un type dédié */
+
+ first_time = (g_type_from_name(type->tp_name) == 0);
+
+ gtype = build_dynamic_type(G_TYPE_PROXY_OPERAND, type->tp_name,
+ (GClassInitFunc)py_proxy_operand_init_gclass, NULL, NULL);
+
+ if (first_time)
+ {
+ status = register_class_for_dynamic_pygobject(gtype, type, base);
+
+ if (!status)
+ {
+ result = NULL;
+ goto exit;
+ }
+
+ }
+
+ /* On crée, et on laisse ensuite la main à PyGObject_Type.tp_init() */
+
+ simple_way:
+
+ result = PyType_GenericNew(type, args, kwds);
+
+ exit:
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : class = classe à initialiser. *
+* unused = données non utilisées ici. *
+* *
+* Description : Initialise la classe des descriptions de fichier binaire. *
+* *
+* Retour : - *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static void py_proxy_operand_init_gclass(GProxyOperandClass *class, gpointer unused)
+{
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : self = objet à initialiser (théoriquement). *
+* args = arguments fournis à l'appel. *
+* kwds = arguments de type key=val fournis. *
+* *
+* Description : Initialise une instance sur la base du dérivé de GObject. *
+* *
+* Retour : 0. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static int py_proxy_operand_init(PyObject *self, PyObject *args, PyObject *kwds)
+{
+ GProxyFeeder *feeder; /* Fournisseur transmis */
+ int ret; /* Bilan de lecture des args. */
+ PyObject *new_args; /* Nouveaux arguments épurés */
+ PyObject *new_kwds; /* Nouveau dictionnaire épuré */
+ GProxyOperand *operand; /* Opérande à manipuler */
+
+#define PROXY_OPERAND_DOC \
+ "The ProxyOperand object behaves like a proxy operand for an object" \
+ " which can feed the operand with content.\n" \
+ "\n" \
+ "Instances can be created using the following constructor:\n" \
+ "\n" \
+ " ProxyOperand(feeder)" \
+ "\n" \
+ "Where feeder is an instance implementing the" \
+ " pychrysalide.arch.operands.ProxyFeeder interface."
+
+ /* Récupération des paramètres */
+
+ ret = PyArg_ParseTuple(args, "O&", convert_to_proxy_feeder, &feeder);
+ if (!ret) return -1;
+
+ /* Initialisation d'un objet GLib */
+
+ new_args = PyTuple_New(0);
+ new_kwds = PyDict_New();
+
+ ret = PyGObject_Type.tp_init(self, new_args, new_kwds);
+
+ Py_DECREF(new_kwds);
+ Py_DECREF(new_args);
+
+ if (ret == -1) return -1;
+
+ /* Eléments de base */
+
+ operand = G_PROXY_OPERAND(pygobject_get(self));
+
+ g_object_ref(G_OBJECT(feeder));
+ operand->feeder = feeder;
+
+ return 0;
+
+}
+
+
+
+/* ---------------------------------------------------------------------------------- */
+/* OPERANDES CONSTITUANT DE PURS INTERMEDIAIRES */
+/* ---------------------------------------------------------------------------------- */
+
+
+/******************************************************************************
+* *
+* Paramètres : self = objet Python concerné par l'appel. *
+* closure = non utilisé ici. *
+* *
+* Description : Fournit le fournisseur représenté par l'opérande. *
+* *
+* Retour : Fournisseur associé à l'opérande. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+static PyObject *py_proxy_operand_get_feeder(PyObject *self, void *closure)
+{
+ PyObject *result; /* Instance Python à retourner */
+ GProxyOperand *operand; /* Version GLib de l'opérande */
+ GProxyFeeder *feeder; /* Fournisseur lié à l'opérande*/
+
+#define PROXY_OPERAND_FEEDER_ATTRIB PYTHON_GET_DEF_FULL \
+( \
+ feeder, py_proxy_operand, \
+ "Give the proxy feeder linked to the operand.\n" \
+ "\n" \
+ "This feeder is a pychrysalide.arch.operands.ProxyFeeder" \
+ " providing content for the operand." \
+)
+
+ operand = G_PROXY_OPERAND(pygobject_get(self));
+
+ feeder = g_proxy_operand_get_feeder(operand);
+
+ result = pygobject_new(G_OBJECT(feeder));
+ g_object_unref(feeder);
+
+ return result;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : - *
+* *
+* Description : Fournit un accès à une définition de type à diffuser. *
+* *
+* Retour : Définition d'objet pour Python. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+PyTypeObject *get_python_proxy_operand_type(void)
+{
+ static PyMethodDef py_proxy_operand_methods[] = {
+ { NULL }
+ };
+
+ static PyGetSetDef py_proxy_operand_getseters[] = {
+ PROXY_OPERAND_FEEDER_ATTRIB,
+ { NULL }
+ };
+
+ static PyTypeObject py_proxy_operand_type = {
+
+ PyVarObject_HEAD_INIT(NULL, 0)
+
+ .tp_name = "pychrysalide.arch.operands.ProxyOperand",
+ .tp_basicsize = sizeof(PyGObject),
+
+ .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
+
+ .tp_doc = PROXY_OPERAND_DOC,
+
+ .tp_methods = py_proxy_operand_methods,
+ .tp_getset = py_proxy_operand_getseters,
+
+ .tp_init = py_proxy_operand_init,
+ .tp_new = py_proxy_operand_new,
+
+ };
+
+ return &py_proxy_operand_type;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : module = module dont la définition est à compléter. *
+* *
+* Description : Prend en charge l'objet 'pychrysalide.arch.ArchOperand'. *
+* *
+* Retour : Bilan de l'opération. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+bool ensure_python_proxy_operand_is_registered(void)
+{
+ PyTypeObject *type; /* Type Python 'ArchOperand' */
+ PyObject *module; /* Module à recompléter */
+ PyObject *dict; /* Dictionnaire du module */
+
+ type = get_python_proxy_operand_type();
+
+ if (!PyType_HasFeature(type, Py_TPFLAGS_READY))
+ {
+ module = get_access_to_python_module("pychrysalide.arch.operands");
+
+ dict = PyModule_GetDict(module);
+
+ if (!register_class_for_pygobject(dict, G_TYPE_PROXY_OPERAND, type, get_python_arch_operand_type()))
+ return false;
+
+ }
+
+ return true;
+
+}
+
+
+/******************************************************************************
+* *
+* Paramètres : arg = argument quelconque à tenter de convertir. *
+* dst = destination des valeurs récupérées en cas de succès. *
+* *
+* Description : Tente de convertir en opérande renvoyant vers un élément. *
+* *
+* Retour : Bilan de l'opération, voire indications supplémentaires. *
+* *
+* Remarques : - *
+* *
+******************************************************************************/
+
+int convert_to_proxy_operand(PyObject *arg, void *dst)
+{
+ int result; /* Bilan à retourner */
+
+ result = PyObject_IsInstance(arg, (PyObject *)get_python_proxy_operand_type());
+
+ switch (result)
+ {
+ case -1:
+ /* L'exception est déjà fixée par Python */
+ result = 0;
+ break;
+
+ case 0:
+ PyErr_SetString(PyExc_TypeError, "unable to convert the provided argument to proxy operand");
+ break;
+
+ case 1:
+ *((GProxyOperand **)dst) = G_PROXY_OPERAND(pygobject_get(arg));
+ break;
+
+ default:
+ assert(false);
+ break;
+
+ }
+
+ return result;
+
+}
diff --git a/plugins/pychrysalide/arch/operands/proxy.h b/plugins/pychrysalide/arch/operands/proxy.h
new file mode 100644
index 0000000..4fdb6f0
--- /dev/null
+++ b/plugins/pychrysalide/arch/operands/proxy.h
@@ -0,0 +1,48 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * proxy.h - prototypes pour l'équivalent Python du fichier "arch/operands/proxy.h"
+ *
+ * Copyright (C) 2020 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
+ */
+
+
+#ifndef _PLUGINS_PYCHRYSALIDE_ARCH_OPERANDS_PROXY_H
+#define _PLUGINS_PYCHRYSALIDE_ARCH_OPERANDS_PROXY_H
+
+
+#include <Python.h>
+#include <stdbool.h>
+
+
+
+/* ------------------ OPERANDES CONSTITUANT DE PURS INTERMEDIAIRES ------------------ */
+
+
+/* Fournit un accès à une définition de type à diffuser. */
+PyTypeObject *get_python_proxy_operand_type(void);
+
+/* Prend en charge l'objet 'pychrysalide.arch.operands.ProxyOperand'. */
+bool ensure_python_proxy_operand_is_registered(void);
+
+/* Tente de convertir en opérande renvoyant vers un élément. */
+int convert_to_proxy_operand(PyObject *, void *);
+
+
+
+#endif /* _PLUGINS_PYCHRYSALIDE_ARCH_OPERANDS_PROXY_H */