forked from M-Labs/artiq
Add support for NameConstant.
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@ -155,6 +155,10 @@ class TValue(Type):
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def __ne__(self, other):
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return not (self == other)
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def TNone():
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"""The type of None."""
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return TMono("NoneType")
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def TBool():
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"""A boolean type."""
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return TMono("bool")
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@ -193,8 +197,11 @@ class TypePrinter(object):
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self.map[typ] = "'%s" % next(self.gen)
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return self.map[typ]
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elif isinstance(typ, TMono):
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return "%s(%s)" % (typ.name, ", ".join(
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["%s=%s" % (k, self.name(typ.params[k])) for k in typ.params]))
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if typ.params == {}:
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return typ.name
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else:
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return "%s(%s)" % (typ.name, ", ".join(
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["%s=%s" % (k, self.name(typ.params[k])) for k in typ.params]))
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elif isinstance(typ, TTuple):
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if len(typ.elts) == 1:
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return "(%s,)" % self.name(typ.elts[0])
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@ -215,6 +215,13 @@ class Inferencer(algorithm.Transformer):
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return asttyped.NameT(type=self._find_name(node.id, node.loc),
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id=node.id, ctx=node.ctx, loc=node.loc)
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def visit_NameConstant(self, node):
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if node.value is True or node.value is False:
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typ = types.TBool()
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elif node.value is None:
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typ = types.TNone()
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return asttyped.NameConstantT(type=typ, value=node.value, loc=node.loc)
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def visit_Tuple(self, node):
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node = self.generic_visit(node)
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return asttyped.TupleT(type=types.TTuple([x.type for x in node.elts]),
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@ -303,7 +310,7 @@ class Printer(algorithm.Visitor):
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def generic_visit(self, node):
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if hasattr(node, "type"):
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self.rewriter.insert_after(node.loc,
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":%s".format(self.type_printer.name(node.type)))
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":{}".format(self.type_printer.name(node.type)))
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super().generic_visit(node)
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