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[rustc.git] / src / rustbook / main.rs
1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
4 //
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
10
11 #![deny(warnings)]
12
13 #![feature(iter_arith)]
14 #![feature(rustc_private)]
15 #![feature(rustdoc)]
16
17 extern crate rustdoc;
18 extern crate rustc_back;
19
20 use std::env;
21 use std::error::Error;
22 use std::process;
23 use std::sync::atomic::{AtomicIsize, ATOMIC_ISIZE_INIT, Ordering};
24 use subcommand::Subcommand;
25 use term::Term;
26
27 mod term;
28 mod error;
29 mod book;
30
31 mod subcommand;
32 mod help;
33 mod build;
34 mod serve;
35 mod test;
36
37 static EXIT_STATUS: AtomicIsize = ATOMIC_ISIZE_INIT;
38
39 pub fn main() {
40 let mut term = Term::new();
41 let cmd: Vec<_> = env::args().collect();
42
43 if cmd.len() <= 1 {
44 help::usage()
45 } else {
46 match subcommand::parse_name(&cmd[1][..]) {
47 Some(mut subcmd) => {
48 match subcmd.parse_args(&cmd[..cmd.len()-1]) {
49 Ok(_) => {
50 match subcmd.execute(&mut term) {
51 Ok(_) => (),
52 Err(err) => {
53 term.err(&format!("error: {}", err));
54 }
55 }
56 }
57 Err(err) => {
58 println!("{}", err.description());
59 println!("");
60 subcmd.usage();
61 }
62 }
63 }
64 None => {
65 println!("Unrecognized command '{}'.", cmd[1]);
66 println!("");
67 help::usage();
68 }
69 }
70 }
71 process::exit(EXIT_STATUS.load(Ordering::SeqCst) as i32);
72 }