bitbake: [parser] Remove the "data" from feeder, evaluate after parsing a file

Evaluate the statements after having parsed one file. This is
referred to as "entwirren" and we can remove the direct evaluation
and postpone a bit, in the future we can use a cached copy instead
of parsing the original.

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

bitbake/lib/bb/parse/__init__.py

@@ -68,15 +68,11 @@ def supports(fn, data):
             return 1
     return 0
 
-def handle(fn, data, include = 0, statements = None):
+def handle(fn, data, include = 0):
     """Call the handler that is appropriate for this file"""
-    if not statements:
-        import ast
-        statements = ast.StatementGroup()
-
     for h in handlers:
         if h['supports'](fn, data):
-            return h['handle'](fn, data, include, statements)
+            return h['handle'](fn, data, include)
     raise ParseError("%s is not a BitBake file" % fn)
 
 def init(fn, data):