Boa 0.1.5

Boa is a Javascript lexer, parser and Just-in-Time compiler written in Rust. Currently, it has support for some of the language.
Documentation 
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extern crate boa;
use boa::exec::{Executor, Interpreter};
use boa::syntax::lexer::Lexer;
use boa::syntax::parser::Parser;
use std::fs::read_to_string;

pub fn main() {
    let buffer = read_to_string("tests/js/test.js").unwrap();
    let mut lexer = Lexer::new(&buffer);
    lexer.lex().unwrap();
    let tokens = lexer.tokens;

    // Setup executor
    let expr = Parser::new(tokens).parse_all().unwrap();

    let mut engine: Interpreter = Executor::new();
    let result = engine.run(&expr);
    match result {
        Ok(v) => print!("{}", v),
        Err(v) => print!("Error: {}", v),
    }
}