function parse(code, options) {
    const Parser = parsers.get(options);

    return new Parser(options, code).parse();
}
Parses the given code.
@param {string} code The code to tokenize.
@param {Object} options Options defining how to tokenize.
@returns {ASTNode} The "Program" AST node.
@throws {SyntaxError} If the input code is invalid.