File 0009-pyblock-add-dictionary-browsing-for-symbol... of Package gdb

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File 0009-pyblock-add-dictionary-browsing-for-symbols.patch of Package gdb

From 8f53295ba39e5ddf8839464e97bedffde721efd3 Mon Sep 17 00:00:00 2001
From: Ales Novak <alnovak@suse.cz>
Date: Wed, 2 Sep 2015 11:17:24 +0200
Subject: [PATCH 09/17] pyblock: add dictionary browsing for symbols

---
 gdb/python/py-block.c | 111 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)

diff --git a/gdb/python/py-block.c b/gdb/python/py-block.c
index cf543c79484..b8637e02e5a 100644
--- a/gdb/python/py-block.c
+++ b/gdb/python/py-block.c
@@ -102,6 +102,115 @@ blpy_iter (PyObject *self)
   return (PyObject *) block_iter_obj;
 }
 
+
+typedef struct {
+	PyObject_HEAD
+	struct mdict_iterator iter;
+	int finished;
+	void *value;
+	PyObject *(*func)(void *);
+} DictIter;
+
+PyObject* DictIter_iter(PyObject *self);
+PyObject* DictIter_iter(PyObject *self)
+{
+  Py_INCREF(self);
+  return self;
+}
+
+static PyObject *obj_to_sym(void *val)
+{
+  PyObject *v = symbol_to_symbol_object ((struct symbol*)val);
+  return v;
+}
+
+PyObject* DictIter_iternext(PyObject *self);
+PyObject* DictIter_iternext(PyObject *self)
+{
+  DictIter *p = (DictIter *)self;
+  PyObject *v;
+  void *n;
+
+  if (p->finished == 1)
+    return NULL;
+
+  v = p->func((struct symbol*)p->value);
+
+  n = mdict_iterator_next(&p->iter);
+
+  if (!n)
+    p->finished = 1;
+  else p->value = n;
+
+  return v;
+}
+
+static PyTypeObject DictIterType = {
+  PyVarObject_HEAD_INIT(NULL, 0)
+  "gdb._DictIter",                            /* tp_name */
+  sizeof(DictIter),                           /* tp_basicsize */
+  0,                                          /* tp_itemsize */
+  0,                                          /* tp_dealloc */
+  0,                                          /* tp_print */
+  0,                                          /* tp_getattr */
+  0,                                          /* tp_setattr */
+  0,                                          /* tp_compare */
+  0,                                          /* tp_repr */
+  0,                                          /* tp_as_number */
+  0,                                          /* tp_as_sequence */
+  0,                                          /* tp_as_mapping */
+  0,                                          /* tp_hash  */
+  0,                                          /* tp_call */
+  0,                                          /* tp_str */
+  0,                                          /* tp_getattro */
+  0,                                          /* tp_setattro */
+  0,                                          /* tp_as_buffer */
+  Py_TPFLAGS_DEFAULT,			      /* tp_flags */
+  "gdb dictionary iterator object.",          /* tp_doc */
+  0,                                          /* tp_traverse */
+  0,                                          /* tp_clear */
+  0,                                          /* tp_richcompare */
+  0,                                          /* tp_weaklistoffset */
+  DictIter_iter,                              /* tp_iter */
+  DictIter_iternext,                          /* tp_iternext */
+  0,                                          /* tp_methods */
+  0,                                          /* tp_members */
+  0,                                          /* tp_getset */
+  0,                                          /* tp_base */
+  0,                                          /* tp_dict */
+  0,                                          /* tp_descr_get */
+  0,                                          /* tp_descr_set */
+  0,                                          /* tp_dictoffset */
+  0,                                          /* tp_init */
+  0,                                          /* tp_alloc */
+  PyType_GenericNew,                          /* tp_new */
+};
+
+static PyObject *
+blpy_get_symbols(PyObject *self, void *closure)
+{
+  PyObject *tmp;
+  const struct block *block = NULL;
+  struct symbol *s;
+
+  BLPY_REQUIRE_VALID (self, block);
+
+  tmp = (PyObject*)PyObject_New(DictIter, &DictIterType);
+  if (!tmp) return NULL;
+
+  if (!PyObject_Init((PyObject *)tmp, &DictIterType)) {
+    Py_DECREF(tmp);
+    return NULL;
+  }
+
+  s = mdict_iterator_first(block->multidict, &((DictIter*)tmp)->iter);
+
+  ((DictIter*)tmp)->value = s;
+  ((DictIter*)tmp)->func = obj_to_sym;
+
+  return tmp;
+}
+
 static PyObject *
 blpy_get_start (PyObject *self, void *closure)
 {
@@ -449,6 +558,7 @@ gdbpy_initialize_blocks (void)
   if (PyType_Ready (&block_syms_iterator_object_type) < 0)
     return -1;
 
+  if (PyType_Ready(&DictIterType) < 0)  return -1;
   if (gdb_pymodule_addobject (gdb_module, "Block",
 			      (PyObject *) &block_object_type) < 0)
     return -1;
@@ -467,6 +577,7 @@ Return true if this block is valid, false if not." },
 };
 
 static gdb_PyGetSetDef block_object_getset[] = {
+  { "symbols", blpy_get_symbols, NULL, "Get symbols", NULL },
   { "start", blpy_get_start, NULL, "Start address of the block.", NULL },
   { "end", blpy_get_end, NULL, "End address of the block.", NULL },
   { "function", blpy_get_function, NULL,
-- 
2.37.2

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File 0009-pyblock-add-dictionary-browsing-for-symbols.patch of Package gdb

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