package Lex;

import java_cup.runtime.Symbol;
import Parse.Sym;

class Separator extends Token {
  char which;
  Separator(char which) {
    this.which = which;
  }

  Symbol token() {
    switch(which) {
    case '(': return new Symbol(Sym.LPAREN);

    case ')': return new Symbol(Sym.RPAREN);

    case '{': return new Symbol(Sym.LBRACE);

    case '}': return new Symbol(Sym.RBRACE);

    case '[': return new Symbol(Sym.LBRACK);

    case ']': return new Symbol(Sym.RBRACK);

    case ';': return new Symbol(Sym.SEMICOLON);

    case ',': return new Symbol(Sym.COMMA);

    case '.': return new Symbol(Sym.DOT);

    case '\u2026':  return new Symbol(Sym.ELLIPSIS);

    default:
      throw new Error("Invalid separator.");
    }
  }

  public String toString() {
    return "Separator <"+which+">";
  }
}