66 lines
2 KiB
Python
66 lines
2 KiB
Python
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from collections import OrderedDict
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from ...tools import deprecated
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from ...fhdl import ast
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from ...fhdl.ast import DUID, Value, Signal, Mux, Cat, Repl, Const, C, ClockSignal, ResetSignal
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from ...fhdl.cd import ClockDomain
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__all__ = ["DUID", "wrap", "Mux", "Cat", "Replicate", "Constant", "C", "Signal", "ClockSignal",
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"ResetSignal", "If", "Case", "Array", "ClockDomain",
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"SPECIAL_INPUT", "SPECIAL_OUTPUT", "SPECIAL_INOUT"]
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@deprecated("instead of `wrap`, use `Value.wrap`")
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def wrap(v):
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return Value.wrap(v)
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@deprecated("instead of `Replicate`, use `Repl`")
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def Replicate(v, n):
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return Repl(v, n)
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@deprecated("instead of `Constant`, use `Const`")
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def Constant(value, bits_sign=None):
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return Const(value, bits_sign)
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class If(ast.Switch):
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@deprecated("instead of `If(cond, ...)`, use `with m.If(cond): ...`")
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def __init__(self, cond, *stmts):
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super().__init__(cond, {"1": ast.Statement.wrap(stmts)})
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@deprecated("instead of `.Elif(cond, ...)`, use `with m.Elif(cond): ...`")
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def Elif(self, cond, *stmts):
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self.cases = OrderedDict(("-" + k, v) for k, v in self.cases.items())
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self.cases["1" + "-" * len(self.test)] = ast.Statement.wrap(stmts)
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self.test = Cat(self.test, cond)
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return self
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@deprecated("instead of `.Else(...)`, use `with m.Else(): ...`")
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def Else(self, *stmts):
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self.cases["-" * len(self.test)] = ast.Statement.wrap(stmts)
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return self
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class Case(ast.Switch):
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@deprecated("instead of `Case(test, ...)`, use `with m.Case(test, ...):`")
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def __init__(self, test, cases):
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new_cases = []
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for k, v in cases.items():
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if k == "default":
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k = "-" * len(ast.Value.wrap(test))
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new_cases.append((k, v))
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super().__init__(test, OrderedDict(new_cases))
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def makedefault(self, key=None):
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raise NotImplementedError
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def Array(*args):
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raise NotImplementedError
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(SPECIAL_INPUT, SPECIAL_OUTPUT, SPECIAL_INOUT) = range(3)
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