forked from M-Labs/artiq
Make unification reflective.
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1a08b50f0a
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@ -80,6 +80,8 @@ class TMono(Type):
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assert self.params.keys() == other.params.keys()
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for param in self.params:
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self.params[param].unify(other.params[param])
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elif isinstance(other, TVar):
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other.unify(self)
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else:
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raise UnificationError(self, other)
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@ -110,6 +112,8 @@ class TTuple(Type):
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if isinstance(other, TTuple) and len(self.elts) == len(other.elts):
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for selfelt, otherelt in zip(self.elts, other.elts):
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selfelt.unify(otherelt)
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elif isinstance(other, TVar):
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other.unify(self)
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else:
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raise UnificationError(self, other)
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@ -136,7 +140,9 @@ class TValue(Type):
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return self
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def unify(self, other):
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if self != other:
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if isinstance(other, TVar):
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other.unify(self)
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elif self != other:
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raise UnificationError(self, other)
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def __repr__(self):
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