[Updated] D10104: pure-parsers: document index class constants

[Alphare (Raphaël Gomès)]

Closed by commit rHGe83327af26f1: pure-parsers: document index class constants (authored by Alphare).
This revision was automatically updated to reflect the committed changes.

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST UPDATE
  https://phab.mercurial-scm.org/D10104?vs=26080&id=26101

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D10104/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D10104

AFFECTED FILES
  mercurial/pure/parsers.py

CHANGE DETAILS

diff --git a/mercurial/pure/parsers.py b/mercurial/pure/parsers.py
--- a/mercurial/pure/parsers.py
+++ b/mercurial/pure/parsers.py
@@ -42,10 +42,15 @@
 
 
 class BaseIndexObject(object):
+    # Format of an index entry according to Python's `struct` language
     index_format = b">Qiiiiii20s12x"
-    big_int_size = struct.calcsize(b'Q')
-    int_size = struct.calcsize(b'i')
+    # Size of a C unsigned long long int, platform independent
+    big_int_size = struct.calcsize(b'>Q')
+    # Size of a C long int, platform independent
+    int_size = struct.calcsize(b'>i')
+    # Size of the entire index format
     index_size = struct.calcsize(index_format)
+    # An empty index entry, used as a default value to be overridden, or nullrev
     null_item = (0, 0, 0, -1, -1, -1, -1, nullid)
 
     @property



To: Alphare, #hg-reviewers, pulkit
Cc: SimonSapin, mercurial-patches
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