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60 lines
1.6 KiB
60 lines
1.6 KiB
from jedi.evaluate.base_context import ContextSet, NO_CONTEXTS
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from jedi.common.utils import monkeypatch
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class AbstractLazyContext(object):
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def __init__(self, data):
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self.data = data
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def __repr__(self):
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return '<%s: %s>' % (self.__class__.__name__, self.data)
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def infer(self):
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raise NotImplementedError
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class LazyKnownContext(AbstractLazyContext):
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"""data is a context."""
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def infer(self):
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return ContextSet(self.data)
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class LazyKnownContexts(AbstractLazyContext):
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"""data is a ContextSet."""
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def infer(self):
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return self.data
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class LazyUnknownContext(AbstractLazyContext):
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def __init__(self):
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super(LazyUnknownContext, self).__init__(None)
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def infer(self):
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return NO_CONTEXTS
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class LazyTreeContext(AbstractLazyContext):
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def __init__(self, context, node):
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super(LazyTreeContext, self).__init__(node)
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self._context = context
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# We need to save the predefined names. It's an unfortunate side effect
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# that needs to be tracked otherwise results will be wrong.
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self._predefined_names = dict(context.predefined_names)
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def infer(self):
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with monkeypatch(self._context, 'predefined_names', self._predefined_names):
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return self._context.eval_node(self.data)
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def get_merged_lazy_context(lazy_contexts):
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if len(lazy_contexts) > 1:
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return MergedLazyContexts(lazy_contexts)
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else:
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return lazy_contexts[0]
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class MergedLazyContexts(AbstractLazyContext):
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"""data is a list of lazy contexts."""
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def infer(self):
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return ContextSet.from_sets(l.infer() for l in self.data)
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