52 lines
1.9 KiB
Python
52 lines
1.9 KiB
Python
# Copyright (c) PARRRATE T&V 2021. All rights reserved.
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from bu4.evaluation.av.aftervalue import AfterValue
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from bu4.evaluation.constructs.eattachable import EAttachable
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from bu4.evaluation.constructs.evaluable import Evaluable
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from bu4.evaluation.targets.avcall import AVCall
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from bu4.indexing.constructs.icall import ICall
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from bu4.indexing.constructs.indexed import Indexed
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from bu4.linking.constructs.linked import Linked
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from bu4.linking.evaluation.elvtype import elvtype
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from bu4.transform.states.aftertransform import AfterTransform
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from bu4.transform.states.transformfinished import TransformFinished
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from bu4.transform.states.transformstart import TransformStart
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from bu4.transform.states.transformstate import TransformState
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from bu4.transform.targets.atlambda import ATLambda
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__all__ = ('LCall',)
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class LCall(Linked):
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argument: Linked
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lambda_: Linked
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def __init__(self, argument: Linked, lambda_: Linked):
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self.argument = argument
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self.lambda_ = lambda_
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self.future = self.argument.future | self.lambda_.future
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self.multifuture = (
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self.argument.multifuture |
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self.lambda_.multifuture |
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(self.argument.future & self.lambda_.future)
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)
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def attach(self, env: elvtype) -> Evaluable:
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return AfterValue(EAttachable(env, self.lambda_), AVCall(EAttachable(env, self.argument)))
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def index(self, promise: list[bytes]) -> TransformState[Indexed]:
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return AfterTransform(
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TransformStart(lambda: self.argument.index(promise)),
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ATLambda(
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lambda argument: AfterTransform(
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TransformStart(lambda: self.lambda_.index(promise)),
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ATLambda(
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lambda lambda_: TransformFinished(ICall(argument, lambda_))
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)
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)
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)
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)
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def __str__(self):
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return f'/{self.argument}{self.lambda_}'
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