[Python-checkins] r42682 - peps/trunk/pep-0343.txt

[guido.van.rossum]

Author: guido.van.rossum
Date: Tue Feb 28 22:05:40 2006
New Revision: 42682

Modified:
   peps/trunk/pep-0343.txt
Log:
Clarify the expanded code -- exc is just used as a flag.


Modified: peps/trunk/pep-0343.txt
==============================================================================
--- peps/trunk/pep-0343.txt	(original)
+++ peps/trunk/pep-0343.txt	Tue Feb 28 22:05:40 2006
@@ -228,17 +228,19 @@
         ctx = (EXPR).__context__()
         exit = exc.__exit__  # Not calling it yet
         value = ctx.__enter__()
-        exc = (None, None, None)
+        exc = True
         try:
             try:
                 VAR = value  # Only if "as VAR" is present
                 BLOCK
             except:
-                exc = None
+                # The exceptional case is handled here
+                exc = False
                 exit(*sys.exc_info())
         finally:
+            # The normal and non-local-goto cases are handled here
             if exc:
-                exit(*exc)
+                exit(None, None, None)
 
     Here, the lowercase variables (ctx, exit, value, exc) are internal
     variables and not accessible to the user; they will most likely be