// SPDX-FileCopyrightText: 2022 Johannes Loher
//
// SPDX-License-Identifier: MIT

export type Token = TokenWithSymbol | TokenWithoutSymbol;

export interface TokenWithSymbol {
  type: TypeWithSymbol;
  symbol: string;
  pos: number;
}

interface TokenWithoutSymbol {
  type: TypeWithoutSymbol;
  pos: number;
}

type TypeWithSymbol = "iden" | "number" | "string";

type TypeWithoutSymbol =
  | "+"
  | "-"
  | "*"
  | "**"
  | "/"
  | "%"
  | "==="
  | "!=="
  | "=="
  | "!="
  | "<"
  | "<="
  | ">"
  | ">="
  | "&&"
  | "||"
  | "&"
  | "|"
  | "~"
  | "^"
  | "<<"
  | ">>"
  | ">>>"
  | "."
  | "?."
  | "??"
  | "!"
  | "?"
  | ":"
  | "("
  | ")"
  | "["
  | "]"
  | ","
  | "{"
  | "}"
  | "invalid"
  | "eof";

export const literals = ["true", "false", "null", "undefined"];
export const safeOperators = ["in", "instanceof", "typeof", "void"];