25 lines
663 B
Python
25 lines
663 B
Python
from ..meta.exceptions import JAPLError
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from ..meta.tokenobject import Token
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class JAPLInstance:
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"""A class instance"""
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def __init__(self, klass):
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self.klass = klass
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self.fields = {}
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def __repr__(self):
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return f"<instance of '{self.klass.name}'>"
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def get(self, name: Token):
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if name.lexeme in self.fields:
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return self.fields[name.lexeme]
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meth = self.klass.get_method(name.lexeme)
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if meth:
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return meth.bind(self)
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raise JAPLError(name, f"Undefined property '{name.lexeme}'")
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def set(self, name: Token, value: object):
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self.fields[name.lexeme] = value
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