back.pysim: fix completely broken codegen for Switch.

2018-12-14 08:51:36 +00:00 · 2018-12-14 08:51:36 +00:00 · bb843cb40c
parent 6aefd0c04c
commit bb843cb40c
1 changed files with 4 additions and 3 deletions
--- a/nmigen/back/pysim.py
+++ b/nmigen/back/pysim.py
@ -169,8 +169,9 @@ class _StatementCompiler(StatementTransformer):
                mask  = "1" * len(value)
            mask  = int(mask,  2)
            value = int(value, 2)
-            cases.append((lambda test: test & mask == value,
-                          self.on_statements(stmts)))
+            def make_test(mask, value):
+                return lambda test: test & mask == value
+            cases.append((make_test(mask, value), self.on_statements(stmts)))
        def run(state):
            test_value = test(state)
            for check, body in cases: