82 lines
2.4 KiB
Python
82 lines
2.4 KiB
Python
from smnp.ast.node.atom import StringLiteral, IntegerLiteral, NoteLiteral, BoolLiteral, TypeLiteral
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from smnp.ast.node.list import List
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from smnp.ast.node.map import Map
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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.runtime.evaluators.iterable import abstractIterableEvaluator
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from smnp.type.model import Type
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class IntegerEvaluator(Evaluator):
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@classmethod
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def evaluator(cls, node, environment):
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return Type.integer(node.value)
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class StringEvaluator(Evaluator):
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@classmethod
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def evaluator(cls, node, environment):
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return Type.string(node.value)
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class NoteEvaluator(Evaluator):
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@classmethod
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def evaluator(cls, node, environment):
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return Type.note(node.value)
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class BoolEvaluator(Evaluator):
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@classmethod
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def evaluator(cls, node, environment):
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return Type.bool(node.value)
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class TypeEvaluator(Evaluator):
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@classmethod
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def evaluator(cls, node, environment):
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return Type.type(node.value)
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class ListEvaluator(Evaluator):
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@classmethod
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def evaluator(cls, node, environment):
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list = abstractIterableEvaluator(expressionEvaluator(doAssert=True))(node, environment)
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return Type.list(list)
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class MapEvaluator(Evaluator):
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@classmethod
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def evaluator(cls, node, environment):
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map = {}
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exprEvaluator = expressionEvaluator(doAssert=True)
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for entry in node.children:
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key = exprEvaluator(entry.key, environment).value
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if key in map:
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raise RuntimeException(f"Duplicated key '{key.stringify()}' found in map", entry.pos)
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map[key] = exprEvaluator(entry.value, environment).value
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return Type.map(map)
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class AtomEvaluator(Evaluator):
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@classmethod
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def evaluator(cls, node, environment):
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return Evaluator.oneOf(
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Evaluator.forNodes(StringEvaluator.evaluate, StringLiteral),
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Evaluator.forNodes(IntegerEvaluator.evaluate, IntegerLiteral),
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Evaluator.forNodes(NoteEvaluator.evaluate, NoteLiteral),
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Evaluator.forNodes(BoolEvaluator.evaluate, BoolLiteral),
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Evaluator.forNodes(TypeEvaluator.evaluate, TypeLiteral),
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Evaluator.forNodes(ListEvaluator.evaluate, List),
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Evaluator.forNodes(MapEvaluator.evaluate, Map)
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)(node, environment).value
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