133 lines
3.8 KiB
Python
133 lines
3.8 KiB
Python
from collections import Iterable
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from ...tools import flatten, deprecated
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from ...fhdl import dsl
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__all__ = ["Module", "FinalizeError"]
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def _flat_list(e):
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if isinstance(e, Iterable):
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return list(flatten(e))
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else:
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return [e]
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class CompatFinalizeError(Exception):
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pass
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FinalizeError = CompatFinalizeError
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class _CompatModuleProxy:
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def __init__(self, cm):
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object.__setattr__(self, "_cm", cm)
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class _CompatModuleComb(_CompatModuleProxy):
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@deprecated("instead of `self.comb +=`, use `m.d.comb +=`")
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def __iadd__(self, assigns):
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self._cm._module._add_statement(assigns, cd_name=None, depth=0, compat_mode=True)
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return self
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class _CompatModuleSyncCD:
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def __init__(self, cm, cd):
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self._cm = cm
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self._cd = cd
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@deprecated("instead of `self.sync.<domain> +=`, use `m.d.<domain> +=`")
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def __iadd__(self, assigns):
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self._cm._module._add_statement(assigns, cd_name=self._cd, depth=0, compat_mode=True)
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return self
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class _CompatModuleSync(_CompatModuleProxy):
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@deprecated("instead of `self.sync +=`, use `m.d.sync +=`")
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def __iadd__(self, assigns):
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self._cm._module._add_statement(assigns, cd_name="sync", depth=0, compat_mode=True)
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return self
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def __getattr__(self, name):
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return _CompatModuleSyncCD(self._cm, name)
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def __setattr__(self, name, value):
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if not isinstance(value, _ModuleSyncCD):
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raise AttributeError("Attempted to assign sync property - use += instead")
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class _CompatModuleForwardAttr:
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@deprecated("TODO")
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def __setattr__(self, name, value):
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self.__iadd__(value)
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setattr(self._cm, name, value)
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class _CompatModuleSpecials(_CompatModuleProxy, _CompatModuleForwardAttr):
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@deprecated("TODO")
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def __iadd__(self, other):
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self._cm._fragment.specials |= set(_flat_list(other))
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return self
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class _CompatModuleSubmodules(_CompatModuleProxy):
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@deprecated("TODO")
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def __setattr__(self, name, value):
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self._cm._submodules += [(name, e) for e in _flat_list(value)]
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setattr(self._cm, name, value)
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@deprecated("TODO")
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def __iadd__(self, other):
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self._cm._submodules += [(None, e) for e in _flat_list(other)]
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return self
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class _CompatModuleClockDomains(_CompatModuleProxy, _CompatModuleForwardAttr):
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@deprecated("TODO")
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def __iadd__(self, other):
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self._cm._fragment.clock_domains += _flat_list(other)
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return self
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class CompatModule:
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def get_fragment(self):
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assert not self.get_fragment_called
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self.get_fragment_called = True
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self.finalize()
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return self._fragment
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def __getattr__(self, name):
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if name == "comb":
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return _CompatModuleComb(self)
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elif name == "sync":
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return _CompatModuleSync(self)
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elif name == "specials":
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return _CompatModuleSpecials(self)
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elif name == "submodules":
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return _CompatModuleSubmodules(self)
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elif name == "clock_domains":
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return _CompatModuleClockDomains(self)
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elif name == "finalized":
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self.finalized = False
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return self.finalized
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elif name == "_module":
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self._module = dsl.Module()
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return self._module
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elif name == "_submodules":
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self._submodules = []
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return self._submodules
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elif name == "_clock_domains":
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self._clock_domains = []
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return self._clock_domains
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elif name == "get_fragment_called":
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self.get_fragment_called = False
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return self.get_fragment_called
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else:
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raise AttributeError("'{}' object has no attribute '{}'"
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.format(type(self).__name__, name))
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Module = CompatModule
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