From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Thu, 21 Oct 2021 13:31:36 +0000 (+0100)
Subject: add back-link in the return result of PartitionedCat to allow access
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9a9db43f4cecf0a43e1390a4fb8fd6746776f433;p=ieee754fpu.git

add back-link in the return result of PartitionedCat to allow access
to the submodule.
PartitionedAssign can then detect this and alter the conditions to
LHS *before* PartitionedCat.elaborate() is called

it was already established in commit 494757caa1f that the elaborates
are all called later
---

diff --git a/src/ieee754/part_cat/pcat.py b/src/ieee754/part_cat/pcat.py
index 6b4630de..a3b9c8c3 100644
--- a/src/ieee754/part_cat/pcat.py
+++ b/src/ieee754/part_cat/pcat.py
@@ -10,4 +10,7 @@ def PCat(m, arglist, ctx):
     modcount += 1
     pc = PartitionedCat(arglist, ctx)
     setattr(m.submodules, "pcat%d" % modcount, pc)
+    # add terrible hack back-link to be able to access PartitionedCat
+    # in PartitionedAssign https://bugs.libre-soc.org/show_bug.cgi?id=731#c13
+    pc.output.__hack_submodule = pc # blegh!
     return pc.output