Python: Add some more utility predicates and classes to the new 'Value' API.

python/ql/test/library-tests/PointsTo/api/QualifedNames.expected

@@ -0,0 +1,5 @@
+| file://:0:0:0:0 | Builtin-function exit | exit |
+| file://:0:0:0:0 | Builtin-function len | len |
+| file://:0:0:0:0 | builtin method append | list.append |
+| test.py:8:1:8:10 | Function foo | foo |
+| test.py:13:5:13:19 | Function C.meth | C.meth |

python/ql/test/library-tests/PointsTo/api/QualifedNames.ql

@@ -0,0 +1,16 @@
+
+import python
+
+from FunctionValue v, string name
+where name = v.getQualifiedName() and
+(
+    v = Value::named("len")
+    or
+    v instanceof PythonFunctionValue
+    or
+    v = Value::named("sys.exit")
+    or
+    v = Value::named("list").(ClassValue).lookup("append")
+)
+
+select v, name

python/ql/test/library-tests/PointsTo/api/test.py

@@ -4,3 +4,11 @@ u"c"
 b"d"
 1000
 1004
+
+def foo():
+    pass
+
+class C(object):
+
+    def meth(self):
+        pass