use super::Token;

#[derive(Debug)]
pub enum Symbol {
	EqualSign,
	Semicolon,
	OpenBrace,
	CloseBrace,
	OpenParen,
	CloseParen,
	Comma,
}

pub fn parse_symbol(input: &str) -> Option<(Token, &str)> {
	let c: char = input.chars().next()?;
	let input = &input[1..];
	match c {
		'=' => Some((Token::Sym(Symbol::EqualSign),  input)),
		';' => Some((Token::Sym(Symbol::Semicolon),  input)),
		',' => Some((Token::Sym(Symbol::Comma),      input)),
		'{' => Some((Token::Sym(Symbol::OpenBrace),  input)),
		'}' => Some((Token::Sym(Symbol::CloseBrace), input)),
		'(' => Some((Token::Sym(Symbol::OpenParen),  input)),
		')' => Some((Token::Sym(Symbol::CloseParen), input)),
		_ => None
	}
}