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hdl.ast: suggest bit_select or word_select when indexing with Value.

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Fixes #1044.
This commit is contained in:
Wanda 2024-01-18 21:00:48 +01:00 • committed by Catherine
parent 9e9790377a
commit b40c18fb00
2 changed files with 13 additions and 0 deletions
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9
tests/test_hdl_ast.py
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@ -303,6 +303,15 @@ class ValueTestCase(FHDLTestCase):
with self.assertRaisesRegex(TypeError,
r"^Cannot index value with 'str'$"):
Const(31)["str"]
with self.assertRaisesRegex(TypeError,
r"^Cannot index value with a value; use Value.bit_select\(\) instead$"):
Const(31)[Signal(3)]
s = Signal(3)
with self.assertRaisesRegex(TypeError,
r"^Cannot slice value with a value; use Value.bit_select\(\) or Value.word_select\(\) instead$"):
Const(31)[s:s+3]
def test_shift_left(self):
self.assertRepr(Const(256, unsigned(9)).shift_left(0),