Move more stuff and fix tests.

parso/normalizer.py

@@ -76,12 +76,12 @@ class Normalizer(use_metaclass(_NormalizerMeta)):
     @classmethod
     def register_rule(cls, **kwargs):
         """
-        Use it as a class decorator:
+        Use it as a class decorator::
 
-        >>> normalizer = Normalizer('grammar', 'config')
-        >>> @normalizer.register_rule(value='foo')
-        ... class MyRule(Rule):
-        ...     error_code = 42
+            normalizer = Normalizer('grammar', 'config')
+            @normalizer.register_rule(value='foo')
+            class MyRule(Rule):
+                error_code = 42
         """
         return cls._register_rule(**kwargs)
 

parso/python/errors.py

@@ -655,13 +655,6 @@ class ErrorFinder(Normalizer):
             if not in_loop:
                 message = "'continue' not properly in loop"
                 self._add_syntax_error(message, leaf)
-        elif leaf.value == 'break':
-            in_loop = False
-            for block in self.context.blocks:
-                if block.type in ('for_stmt', 'while_stmt'):
-                    in_loop = True
-            if not in_loop:
-                self._add_syntax_error("'break' outside loop", leaf)
         elif leaf.value in ('yield', 'return'):
             if self.context.node.type != 'funcdef':
                 self._add_syntax_error("'%s' outside function" % leaf.value, leaf.parent)
@@ -797,7 +790,7 @@ class IndentationRule(Rule):
 
 
 @ErrorFinder.register_rule(value='await')
-class AwaitOutsideAsync(SyntaxRule):
+class _AwaitOutsideAsync(SyntaxRule):
     message = "'await' outside async function"
 
     def is_issue(self, leaf):
@@ -806,3 +799,15 @@ class AwaitOutsideAsync(SyntaxRule):
     def get_error_node(self, node):
         # Return the whole await statement.
         return node.parent
+
+
+@ErrorFinder.register_rule(value='break')
+class _BreakOutsideLoop(SyntaxRule):
+    message = "'break' outside loop"
+
+    def is_issue(self, leaf):
+        in_loop = False
+        for block in self._normalizer.context.blocks:
+            if block.type in ('for_stmt', 'while_stmt'):
+                in_loop = True
+        return not in_loop

parso/python/pep8.py

@@ -712,10 +712,11 @@ class PEP8NormalizerConfig(ErrorFinderConfig):
         self.spaces_before_comment = spaces_before_comment
 
 
-@PEP8Normalizer.register_rule(type='endmarker')
+# TODO this is not yet ready.
+#@PEP8Normalizer.register_rule(type='endmarker')
 class BlankLineAtEnd(Rule):
     code = 392
     message = 'Blank line at end of file'
 
-    def check(self, leaf):
+    def is_issue(self, leaf):
         return self._newline_count >= 2