47 lines
1.1 KiB
Python
Executable File
47 lines
1.1 KiB
Python
Executable File
class Token:
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def __init__(self, value, type):
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self.value = value
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self.type = type
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class TokenType:
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add = 0
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subtract = 1
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multiply = 2
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divide = 3
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power = 4
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variable = 5
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constant = 6
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exp_start = 7
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exp_end = 8
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unknown = 9
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OPERATOR_VERBS = {
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0 : "Adding",
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1 : "Subtracting",
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2 : "Multiplying",
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3 : "Dividing",
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4 : "Raising"
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}
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OPERATORS = {
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'+' : add,
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'-' : subtract,
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'*' : multiply,
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'^' : power,
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'/' : divide
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}
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def get_operator_verb(self, token):
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if not token in self.OPERATOR_VERBS:
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raise ValueError("An operator verb could not be found.", "token")
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return self.OPERATOR_VERBS[token]
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def get_operator(self, character):
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if not character in self.OPERATORS:
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raise ValueError(f"Invalid operator '{character}' could not be found in the operators list.", "character")
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return self.OPERATORS[character]
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#t = TokenType()
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#t1 = Token("$", TokenType.Unknown)
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#print(t.GetOperator(t1.value))
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