RecursionDecorator now also works with Evaluator caches

jedi/api_classes.py

@@ -24,7 +24,7 @@ def _clear_caches():
     """
     cache.clear_caches()
     dynamic.search_param_cache.clear()
-    #recursion.ExecutionRecursionDecorator.reset()
+    recursion.ExecutionRecursionDecorator.reset()
 
     evaluate.follow_statement.reset()
 

jedi/evaluate/__init__.py

@@ -117,7 +117,8 @@ def get_defined_names_for_position(scope, position=None, start_scope=None):
 
 class Evaluator(object):
     def __init__(self):
-        self.memoize_cache = {}
+        self.memoize_cache = {}  # for memoize decorators
+        self.recursion_detector = recursion.RecursionDetector()
 
     def get_names_of_scope(self, scope, position=None, star_search=True,
                            include_builtin=True):
@@ -475,7 +476,7 @@ class Evaluator(object):
         return descriptor_check(remove_statements(filter_name(scope_generator)))
 
     @memoize_default(default=(), cache_is_in_self=True)
-    @recursion.RecursionDecorator
+    @recursion.recursion_decorator
     def follow_statement(self, stmt, seek_name=None):
         """
         The starting point of the completion. A statement always owns a call list,

jedi/evaluate/imports.py

@@ -187,7 +187,7 @@ class ImportPath(pr.Base):
         """
         Returns the imported modules.
         """
-        if self._evaluator.follow_statement.push_stmt(self.import_stmt):
+        if self._evaluator.recursion_detector.push_stmt(self.import_stmt):
             # check recursion
             return []
 
@@ -229,7 +229,7 @@ class ImportPath(pr.Base):
             scopes = [ImportPath.GlobalNamespace]
         debug.dbg('after import', scopes)
 
-        self._evaluator.follow_statement.pop_stmt()
+        self._evaluator.recursion_detector.pop_stmt()
         return scopes
 
     def _is_relative_import(self):

jedi/evaluate/recursion.py

@@ -14,23 +14,27 @@ from jedi.evaluate import builtin
 from jedi.evaluate import interfaces
 
 
-class RecursionDecorator(object):
+def recursion_decorator(func):
+    def run(evaluator, stmt, *args, **kwargs):
+        rec_detect = evaluator.recursion_detector
+        # print stmt, len(self.node_statements())
+        if rec_detect.push_stmt(stmt):
+            return []
+        else:
+            result = func(evaluator, stmt, *args, **kwargs)
+            rec_detect.pop_stmt()
+        return result
+    return run
+
+
+class RecursionDetector(object):
     """
     A decorator to detect recursions in statements. In a recursion a statement
     at the same place, in the same module may not be executed two times.
     """
-    def __init__(self, func):
-        self.func = func
-        self.reset()
-
-    def __call__(self, evaluator, stmt, *args, **kwargs):
-        # print stmt, len(self.node_statements())
-        if self.push_stmt(stmt):
-            return []
-        else:
-            result = self.func(evaluator, stmt, *args, **kwargs)
-            self.pop_stmt()
-        return result
+    def __init__(self):
+        self.top = None
+        self.current = None
 
     def push_stmt(self, stmt):
         self.current = _RecursionNode(stmt, self.current)
@@ -57,10 +61,6 @@ class RecursionDecorator(object):
             if not test:
                 return False
 
-    def reset(self):
-        self.top = None
-        self.current = None
-
     def node_statements(self):
         result = []
         n = self.current