<rdar://problem/13069948>

Major fixed to allow reading files that are over 4GB. The main problems were that the DataExtractor was using 32 bit offsets as a data cursor, and since we mmap all of our object files we could run into cases where if we had a very large core file that was over 4GB, we were running into the 4GB boundary.

So I defined a new "lldb::offset_t" which should be used for all file offsets.

After making this change, I enabled warnings for data loss and for enexpected implicit conversions temporarily and found a ton of things that I fixed.

Any functions that take an index internally, should use "size_t" for any indexes and also should return "size_t" for any sizes of collections.

llvm-svn: 173463

lldb/source/Interpreter/PythonDataObjects.cpp

@@ -316,8 +316,14 @@ PythonDictionary::GetItemForKeyAsInteger (const PythonString &key, int64_t fail_
     if (m_py_obj && key)
     {
         PyObject *py_obj = PyDict_GetItem(m_py_obj, key.GetPythonObject());
-        if (py_obj && PyInt_Check(py_obj))
-            return PyInt_AsLong(py_obj);
+        if (py_obj)
+        {
+            if (PyInt_Check(py_obj))
+                return PyInt_AsLong(py_obj);
+
+            if (PyLong_Check(py_obj))
+                return PyLong_AsLong(py_obj);
+        }
     }
     return fail_value;
 }