mirror of https://github.com/nocturn9x/nimkalc.git
35 lines
996 B
Nim
35 lines
996 B
Nim
# Copyright 2021 Mattia Giambirtone
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# A parsing Token
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import strformat
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type
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TokenType* {.pure.} = enum
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# Data types
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Int, Float,
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# Operators
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Plus, Minus, Div, Exp, Modulo,
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Mul, RightParen, LeftParen,
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# Other
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Eof
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Token* = object
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# A token object
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lexeme*: string
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kind*: TokenType
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proc `$`*(self: Token): string =
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## Returns a string representation of self
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result = &"Token({self.kind}, '{self.lexeme}')" |