svd2rust 0.7.0

Generate Rust register maps (`struct`s) from SVD files
Documentation 
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#![recursion_limit = "128"]

extern crate cast;
extern crate clap;
extern crate either;
#[macro_use]
extern crate error_chain;
extern crate inflections;
#[macro_use]
extern crate quote;
extern crate svd_parser as svd;
extern crate syn;

mod errors;
mod generate;
mod util;

use std::fs::File;
use std::{io, process};

use clap::{App, Arg};

use errors::*;

fn run() -> Result<()> {
    use std::io::Read;

    let matches = App::new("svd2rust")
        .about("Generate a Rust API from SVD files")
        .arg(
            Arg::with_name("input")
                .help("Input SVD file")
                .required(true)
                .short("i")
                .takes_value(true)
                .value_name("FILE"),
        )
        .version(
            concat!(
                env!("CARGO_PKG_VERSION"),
                include_str!(concat!(env!("OUT_DIR"), "/commit-info.txt"))
            ),
        )
        .get_matches();

    let xml = &mut String::new();
    File::open(matches.value_of("input").unwrap())
        .chain_err(|| "couldn't open the SVD file")?
        .read_to_string(xml)
        .chain_err(|| "couldn't read the SVD file")?;

    let device = svd::parse(xml);

    let mut items = vec![];
    generate::device(&device, &mut items)?;

    println!(
        "{}",
        quote! {
            #(#items)*
        }
    );

    Ok(())
}

fn main() {
    use std::io::Write;

    if let Err(ref e) = run() {
        let stderr = io::stderr();
        let mut stderr = stderr.lock();

        writeln!(stderr, "error: {}", e).ok();

        for e in e.iter().skip(1) {
            writeln!(stderr, "caused by: {}", e).ok();
        }

        if let Some(backtrace) = e.backtrace() {
            writeln!(stderr, "backtrace: {:?}", backtrace).ok();
        } else {
            writeln!(
                stderr,
                "note: run with `RUST_BACKTRACE=1` for a backtrace"
            )
                    .ok();
        }

        process::exit(1);
    }
}