from dataclasses import dataclass from enum import Enum, auto from typing import Any # tokens and types # NOTE: this can probably be simplified class TokenType(Enum): PRINT = auto() OPEN_PAREN = auto() CLOSE_PAREN = auto() EOF = auto() # literals INT = auto() FLOAT = auto() STRING = auto() TRUE = auto() FALSE = auto() # arithmetic PLUS = auto() DASH = auto() STAR = auto() SLASH = auto() # strings DOUBLE_QUOTE = auto() # comparison GREATER = auto() GREATER_EQUAL = auto() LESS = auto() LESS_EQUAL = auto() EQUAL = auto() NOT = auto() AND = auto() OR = auto() # flow IF = auto() FOR_COUNT = auto() PIPE = auto() # keywords DEF = auto() LAMBDA = auto() # symbols SYMBOL = auto() # types INT_TYPE = auto() FLOAT_TYPE = auto() STRING_TYPE = auto() ANY_TYPE = auto() @dataclass class Token: type_: TokenType text: str value: Any line: int def __str__(self): return f"{self.type_.name} {self.text} {self.line}" class Literal: def __init__(self, value): self.value = value def __str__(self): return f"{self.value}" class Type: def __init__(self, name): self.name = name def __str__(self): return self.name class Symbol: def __init__(self, name): self.name = name def __str__(self): return f"'{self.name}" class List: def __init__(self, args, data=False): self.args = args self.data = data def __str__(self): return "(" + " ".join(f"{arg}" for arg in self.args) + ")"