//! Different token definitions.
//! Loosely based on token.h from CPython source:
use num_bigint::BigInt;

/// Python source code can be tokenized in a sequence of these tokens.
#[derive(Debug, PartialEq)]
pub enum Tok {
    Name { name: String },
    Int { value: BigInt },
    Float { value: f64 },
    Complex { real: f64, imag: f64 },
    String { value: String, is_fstring: bool },
    Bytes { value: Vec<u8> },
    Newline,
    Indent,
    Dedent,
    StartProgram,
    StartStatement,
    StartExpression,
    Lpar,
    Rpar,
    Lsqb,
    Rsqb,
    Colon,
    Comma,
    Semi,
    Plus,
    Minus,
    Star,
    Slash,
    Vbar,  // '|'
    Amper, // '&'
    Less,
    Greater,
    Equal,
    Dot,
    Percent,
    Lbrace,
    Rbrace,
    EqEqual,
    NotEqual,
    LessEqual,
    GreaterEqual,
    Tilde,
    CircumFlex,
    LeftShift,
    RightShift,
    DoubleStar,
    DoubleStarEqual, // '**='
    PlusEqual,
    MinusEqual,
    StarEqual,
    SlashEqual,
    PercentEqual,
    AmperEqual, // '&='
    VbarEqual,
    CircumflexEqual, // '^='
    LeftShiftEqual,
    RightShiftEqual,
    DoubleSlash, // '//'
    DoubleSlashEqual,
    At,
    AtEqual,
    Rarrow,
    Ellipsis,

    // Keywords (alphabetically):
    False,
    None,
    True,

    And,
    As,
    Assert,
    Break,
    Class,
    Continue,
    Def,
    Del,
    Elif,
    Else,
    Except,
    Finally,
    For,
    From,
    Global,
    If,
    Import,
    In,
    Is,
    Lambda,
    Nonlocal,
    Not,
    Or,
    Pass,
    Raise,
    Return,
    Try,
    While,
    With,
    Yield,
}