From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Thu, 17 Sep 2015 09:25:06 +0000 (+0800)
Subject: sim: support Case
X-Git-Tag: 24jan2021_ls180~2099^2~3^2~74
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ec1d4edf848c4a8f38b7f3a5635983248dc65b92;p=litex.git

sim: support Case
---

diff --git a/migen/sim.py b/migen/sim.py
index c6ddea55..ed40963d 100644
--- a/migen/sim.py
+++ b/migen/sim.py
@@ -130,8 +130,15 @@ class Evaluator:
                     self.execute(s.t)
                 else:
                     self.execute(s.f)
+            elif isinstance(s, Case):
+                test = self.eval(s.test)
+                for k, v in s.cases.items():
+                    if isinstance(k, Constant) and k.value == test:
+                        self.execute(v)
+                        return
+                if "default" in s.cases:
+                    self.execute(s.cases["default"])
             else:
-                # TODO: Case
                 raise NotImplementedError