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back.rtlil: remove _SyncBuilder. NFC

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Amaranth doesn't emit sync rules for a while since these are private
for the Yosys Verilog frontend.
This commit is contained in:
Catherine 2024-01-31 02:42:21 +00:00
parent 572a60d838
commit 4da8adf7ba
1 changed files with 0 additions and 23 deletions
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23
amaranth/back/rtlil.py
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@ -215,9 +215,6 @@ class _ProcessBuilder(_AttrBuilder, _BufferedBuilder):
def case(self):
return _CaseBuilder(self, indent=2)
def sync(self, kind, cond=None):
return _SyncBuilder(self, kind, cond)
class _CaseBuilder(_ProxiedBuilder):
def __init__(self, rtlil, indent):
@ -264,26 +261,6 @@ class _SwitchBuilder(_AttrBuilder, _ProxiedBuilder):
return _CaseBuilder(self.rtlil, self.indent + 2)
class _SyncBuilder(_ProxiedBuilder):
def __init__(self, rtlil, kind, cond):
self.rtlil = rtlil
self.kind = kind
self.cond = cond
def __enter__(self):
if self.cond is None:
self._append(" sync {}\n", self.kind)
else:
self._append(" sync {} {}\n", self.kind, self.cond)
return self
def __exit__(self, *args):
pass
def update(self, lhs, rhs):
self._append(" update {} {}\n", lhs, rhs)
def _src(src_loc):
if src_loc is None:
return None