Start on all rust version of duktape implementation.

implementations/rusty-duktape/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "rusty-duktape"
+version = "0.1.0"
+authors = ["Tim Caswell <tim@creationix.com>"]
+
+[dependencies]
+# duktape = "0.0.2"
+# libuv-sys = "0.1.0"
+getopts = "0.2"

implementations/rusty-duktape/src/main.rs

@@ -0,0 +1,32 @@
+extern crate getopts;
+use getopts::Options;
+use std::env;
+
+fn print_usage(program: &str, opts: Options) {
+    let brief = format!("Usage: {} FILE [options]", program);
+    print!("{}", opts.usage(&brief));
+}
+
+fn main() {
+    let args: Vec<String> = env::args().collect();
+    let program = args[0].clone();
+
+    let mut opts = Options::new();
+    opts.optopt("o", "", "set output file name", "NAME");
+    opts.optflag("h", "help", "print this help menu");
+    let matches = match opts.parse(&args[1..]) {
+        Ok(m) => { m }
+        Err(f) => { panic!(f.to_string()) }
+    };
+    if matches.opt_present("h") {
+        print_usage(&program, opts);
+        return;
+    }
+    let output = matches.opt_str("o");
+    let input = if !matches.free.is_empty() {
+        matches.free[0].clone()
+    } else {
+        print_usage(&program, opts);
+        return;
+    };
+}