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19 lines
503 B
Python
19 lines
503 B
Python
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class Interpreter:
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def __init__(self, ast):
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self.ast = ast
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def interpret(self):
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for node in self.ast:
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self.visit(node)
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def visit(self, node):
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method_name = f'visit_{type(node).__name__}'
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method = getattr(self, method_name, self.no_visit_method)
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return method(node)
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def no_visit_method(self, node):
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raise Exception(f'No visit_{type(node).__name__} method defined')
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def visit_Print(self, node):
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print(node.value)
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