Lib.rs

Documentation.

WORK IN PROGRESS.

A Rust wrapper for Duktape. Things to do before this is minimally useful:

• Handle non-UTF-8 strings.
• Call JavaScript functions by name.
• Define functions.
  • Call specified Rust functions from JavaScript.
  • Return errors from Rust to JavaScript.
• Convert to use Encodable/Decodable everywhere.
  • Convert parameters to use Encodable.
  • Replace Value with serialize::Json.
  • Convert return values to use Decodable.
• Add nice macros.
  • Provide macro for calling functions.
  • Provide macro for defining functions.

lib.rs:

Rust interface to Duktape JavaScript interpreter. This is still a work in progress!

Source code.

use duktape::{Context,Value,DuktapeResult};

fn add_example() -> DuktapeResult<Value<'static>> {
    // Create a new JavaScript interpreter.  This will be automatically
    // cleaned up when `ctx` goes out of scope.
    let mut ctx = try!(Context::new());

    // Load some code from a string.
    try!(ctx.eval("function add(x, y) { return x+y; }"));

    // Call the function we defined.
    ctx.call("add", &[&2.0f64, &1.0f64])
}

assert_eq!(Ok(Value::Number(3.0)), add_example());

We also have preliminary support for defining JavaScript functions using Rust, but it's still too ugly to show off.