1 files changed, 152 insertions, 0 deletions
diff --git a/plugins/javadesc/method.c b/plugins/javadesc/method.c
new file mode 100644
index 0000000..b78665d
--- /dev/null
+++ b/plugins/javadesc/method.c
@@ -0,0 +1,152 @@
+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * shorty.c - décodage de routines pour Java
+ *
+ * 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 Chrysalide.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "method.h"
+
+
+#include "field.h"
+
+
+
+/* Extrait un type particulier dans un décodage Java. */
+static GDataType *jmd_method_return_type(input_buffer *);
+
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : buffer = tampon contenant les données utiles.                *
+*                                                                             *
+*  Description : Extrait un type particulier dans un décodage Java.           *
+*                                                                             *
+*  Retour      : Nouveau type mis en place ou NULL en cas d'erreur.           *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static GDataType *jmd_method_return_type(input_buffer *buffer)
+{
+    GDataType *result;                      /* Type à retourner            */
+    char ahead;                             /* Caractère déterminant lu    */
+
+    /**
+     * La règle traitée est la suivante :
+     *
+     *    ReturnDescriptor:
+     *      FieldType
+     *      V
+     *
+     */
+
+    ahead = peek_input_buffer_char(buffer);
+
+    if (ahead == 'V')
+    {
+        advance_input_buffer(buffer, 1);
+        result = g_basic_type_new(BTP_VOID);
+    }
+
+    else
+        result = jtd_field_descriptor(buffer);
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : buffer = tampon contenant les données utiles.                *
+*                                                                             *
+*  Description : Extrait un routine particulière depuis un codage Java.       *
+*                                                                             *
+*  Retour      : Nouveau type mis en place ou NULL en cas d'erreur.           *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+GBinRoutine *jmd_method_descriptor(input_buffer *buffer)
+{
+    GBinRoutine *result;                    /* Type à retourner            */
+    char ahead;                             /* Caractère déterminant lu    */
+    GDataType *type;                        /* Description de type obtenue */
+    GBinVariable *var;                      /* Argument de routine         */
+
+    /**
+     * La règle traitée est la suivante :
+     *
+     *    MethodDescriptor:
+     *    ( {ParameterDescriptor} ) ReturnDescriptor
+     *
+     */
+
+    if (!check_input_buffer_char(buffer, '('))
+        goto exit;
+
+    result = g_binary_routine_new();
+
+    /* Arguments */
+
+    for (ahead = peek_input_buffer_char(buffer);
+         ahead != ')';
+         ahead = peek_input_buffer_char(buffer))
+    {
+        type = jtd_field_descriptor(buffer);
+
+        if (type == NULL)
+            goto error;
+
+        else
+        {
+            var = g_binary_variable_new(type);
+            g_binary_routine_add_arg(result, var);
+        }
+
+    }
+
+    if (!check_input_buffer_char(buffer, ')'))
+        goto error;
+
+    /* Retour */
+
+    type = jmd_method_return_type(buffer);
+
+    if (type == NULL)
+        goto error;
+
+    else
+        g_binary_routine_set_return_type(result, type);
+
+    return result;
+
+ error:
+
+    g_object_unref(G_OBJECT(result));
+
+ exit:
+
+    return NULL;
+
+}