20 lines
875 B
Python
20 lines
875 B
Python
from smnp.error.runtime import RuntimeException
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from smnp.runtime.evaluator import Evaluator
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from smnp.runtime.evaluators.expression import expressionEvaluator
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from smnp.type.model import Type
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class PowerEvaluator(Evaluator):
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@classmethod
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def evaluator(cls, node, environment):
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left = expressionEvaluator(doAssert=True)(node.left, environment).value
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right = expressionEvaluator(doAssert=True)(node.right, environment).value
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if left.type != Type.INTEGER:
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raise RuntimeException( f"Operator '{node.operator.value}' is supported only by {Type.INTEGER.name.lower()} type", node.left.pos)
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if right.type != Type.INTEGER:
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raise RuntimeException( f"Operator '{node.operator.value}' is supported only by {Type.INTEGER.name.lower()} type", node.right.pos)
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return Type.integer(int(left.value ** right.value)) |