fixing previous fix:

- that rule created many conflicts. change it to having a check in the parse method instead

1 files changed, 4 insertions, 6 deletions

diff --git a/pycparser/c_parser.py b/pycparser/c_parser.py
index 458d64f..f26fcd5 100644
--- a/pycparser/c_parser.py
+++ b/pycparser/c_parser.py
@@ -120,7 +120,10 @@ class CParser(PLYParser):
         self.clex.filename = filename
         self.clex.reset_lineno()
         self._scope_stack = [set()]
-        return self.cparser.parse(text, lexer=self.clex, debug=debuglevel)
+        if not text or text.isspace():
+            return c_ast.FileAST([])
+        else:
+            return self.cparser.parse(text, lexer=self.clex, debug=debuglevel)
     
     ######################--   PRIVATE   --######################
     
@@ -356,11 +359,6 @@ class CParser(PLYParser):
             p[1].ext.extend(p[2])
         p[0] = p[1]
     
-    def p_translation_unit_3(self, p):
-        """ translation_unit  :
-        """
-        p[0] = c_ast.FileAST([])
-    
     # Declarations always come as lists (because they can be
     # several in one line), so we wrap the function definition 
     # into a list as well, to make the return value of