Address review feedback

ThreadState now refs to a Context object (fixes Context.run/__getitem__)
Document hamt_t enum types
python · 1st1 · Jan 23, 2018 · 1st1 · Dec 28, 2017 · 1st1
diff --git a/Python/hamt.c b/Python/hamt.c
@@ -251,6 +251,29 @@ Further Reading
 3. Clojure's PersistentHashMap implementation:
   https://github.com/clojure/clojure/blob/master/src/jvm/
        clojure/lang/PersistentHashMap.java
diff --git a/Python/hamt.c b/Python/hamt.c
+
+#ifdef Py_DEBUG
+        assert(iter->i_level >= 0);
+        iter->i_nodes[iter->i_level] = NULL;
diff --git a/Python/hamt.c b/Python/hamt.c
+
+#ifdef Py_DEBUG
+        assert(iter->i_level >= 0);
+        iter->i_nodes[iter->i_level] = NULL;
diff --git a/Python/hamt.c b/Python/hamt.c
+    return (uint32_t)__builtin_popcountl(i);
+#elif defined(__clang__) && (__clang_major__ > 3)
+    return (uint32_t)__builtin_popcountl(i);
+#else
diff --git a/Python/context.c b/Python/context.c
+{
+    /* Take hash of the name and XOR it with the default object hash.
+       We do this to ensure that even sequentially allocated ContextVar
+       objects have drastically different hashes.
diff --git a/Python/hamt.c b/Python/hamt.c
+static inline Py_ssize_t
+hamt_node_bitmap_count(PyHamtNode_Bitmap *node)
+{
+    return Py_SIZE(node) >> 1;
diff --git a/Include/context.h b/Include/context.h
+
+
+/* This method is exposed only for CPython tests. Don not use it. */
+PyAPI_FUNC(PyObject *) _PyContext_NewHamtForTests(void);
diff --git a/Python/context.c b/Python/context.c
+    }
+
+    int res = _PyHamt_Eq(
+        ((PyContext *)v)->ctx_vars, ((PyContext *)w)->ctx_vars);
diff --git a/Python/hamt.c b/Python/hamt.c
+            return NULL;
+        }
+        if (comp_err == 1) {  /* key == key_or_null */
+            comp_err = PyObject_RichCompareBool(val, val_or_node, Py_EQ);