Remove declaration as parent class

Switch from using a declaration as the parent class of a comment.
Instead, create a comment_t object for each declaration.

Author: josephsnyder

pygccxml/declarations/comment.py

@@ -8,12 +8,10 @@
 
 """
 
-
-from . import declaration
 from . import location as pygccxml_location
 
 
-class comment_t(declaration.declaration_t):
+class comment_t():
 
     def __init__(self, name='', declarations=None):
         """
@@ -22,7 +20,6 @@ def __init__(self, name='', declarations=None):
         Args:
 
         """
-        declaration.declaration_t.__init__(self, name)
         self._location = {}
         self._begin_line = 0
         self._begin_column = 0

pygccxml/declarations/declaration.py

@@ -13,6 +13,7 @@
 
 from . import declaration_utils
 from . import algorithms_cache
+from . import comment
 
 
 class declaration_t(object):
@@ -37,7 +38,7 @@ def __init__(
         self._cache = algorithms_cache.declaration_algs_cache_t()
         self._partial_name = None
         self._decorated_name = None
-        self._comment = None
+        self._comment = comment.comment_t()
 
     def __str__(self):
         """