const std = @import("std");
const TokenType = @import("token_type.zig").TokenType;
const Token = @This();

type: TokenType,
lexeme: []const u8,
literal: ?Literal,
line: u32,

pub const Literal = union {
    string: []const u8,
    number: f64,
};

pub fn init(@"type": TokenType, lexeme: []const u8, literal: ?Literal, line: u32) Token {
    return .{
        .type = @"type",
        .lexeme = lexeme,
        .literal = literal,
        .line = line,
    };
}

pub fn format(self: Token, writer: *std.io.Writer) !void {
    try writer.print("{} {s} {any}", .{ self.type, self.lexeme, self.literal });
}