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#![crate_id = "rustc#0.10"]
#![comment = "The Rust compiler"]
#![license = "MIT/ASL2"]
#![crate_type = "dylib"]
#![crate_type = "rlib"]
#![doc(html_logo_url = "http://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
html_favicon_url = "http://www.rust-lang.org/favicon.ico",
html_root_url = "http://static.rust-lang.org/doc/master")]
#![allow(deprecated)]
#![feature(macro_rules, globs, struct_variant, managed_boxes, quote,
default_type_params, phase)]
extern crate flate;
extern crate arena;
extern crate syntax;
extern crate serialize;
extern crate sync;
extern crate getopts;
extern crate collections;
extern crate time;
#[phase(syntax, link)]
extern crate log;
use back::link;
use driver::session;
use middle::lint;
use d = driver::driver;
use std::any::AnyRefExt;
use std::cmp;
use std::io;
use std::os;
use std::str;
use std::task;
use syntax::ast;
use syntax::diagnostic::Emitter;
use syntax::diagnostic;
use syntax::parse;
pub mod middle {
pub mod trans;
pub mod ty;
pub mod ty_fold;
pub mod subst;
pub mod resolve;
pub mod resolve_lifetime;
pub mod typeck;
pub mod check_loop;
pub mod check_match;
pub mod check_const;
pub mod check_static;
pub mod lint;
pub mod borrowck;
pub mod dataflow;
pub mod mem_categorization;
pub mod liveness;
pub mod kind;
pub mod freevars;
pub mod pat_util;
pub mod region;
pub mod const_eval;
pub mod astencode;
pub mod lang_items;
pub mod privacy;
pub mod moves;
pub mod entry;
pub mod effect;
pub mod reachable;
pub mod graph;
pub mod cfg;
pub mod dead;
}
pub mod front {
pub mod config;
pub mod test;
pub mod std_inject;
pub mod assign_node_ids_and_map;
pub mod feature_gate;
pub mod show_span;
}
pub mod back {
pub mod abi;
pub mod archive;
pub mod arm;
pub mod link;
pub mod lto;
pub mod mips;
pub mod rpath;
pub mod svh;
pub mod target_strs;
pub mod x86;
pub mod x86_64;
}
pub mod metadata;
pub mod driver;
pub mod util {
pub mod common;
pub mod ppaux;
pub mod sha2;
pub mod nodemap;
}
pub mod lib {
pub mod llvm;
pub mod llvmdeps;
}
static BUG_REPORT_URL: &'static str =
"http://static.rust-lang.org/doc/master/complement-bugreport.html";
pub fn version(argv0: &str) {
let vers = match option_env!("CFG_VERSION") {
Some(vers) => vers,
None => "unknown version"
};
println!("{} {}", argv0, vers);
println!("host: {}", d::host_triple());
}
pub fn usage(argv0: &str) {
let message = format!("Usage: {} [OPTIONS] INPUT", argv0);
println!("{}\n\
Additional help:
-C help Print codegen options
-W help Print 'lint' options and default settings
-Z help Print internal options for debugging rustc\n",
getopts::usage(message, d::optgroups().as_slice()));
}
pub fn describe_warnings() {
println!("
Available lint options:
-W <foo> Warn about <foo>
-A <foo> Allow <foo>
-D <foo> Deny <foo>
-F <foo> Forbid <foo> (deny, and deny all overrides)
");
let lint_dict = lint::get_lint_dict();
let mut lint_dict = lint_dict.move_iter()
.map(|(k, v)| (v, k))
.collect::<Vec<(lint::LintSpec, &'static str)> >();
lint_dict.as_mut_slice().sort();
let mut max_key = 0;
for &(_, name) in lint_dict.iter() {
max_key = cmp::max(name.len(), max_key);
}
fn padded(max: uint, s: &str) -> ~str {
" ".repeat(max - s.len()) + s
}
println!("\nAvailable lint checks:\n");
println!(" {} {:7.7s} {}",
padded(max_key, "name"), "default", "meaning");
println!(" {} {:7.7s} {}\n",
padded(max_key, "----"), "-------", "-------");
for (spec, name) in lint_dict.move_iter() {
let name = name.replace("_", "-");
println!(" {} {:7.7s} {}",
padded(max_key, name),
lint::level_to_str(spec.default),
spec.desc);
}
println!("");
}
pub fn describe_debug_flags() {
println!("\nAvailable debug options:\n");
let r = session::debugging_opts_map();
for tuple in r.iter() {
match *tuple {
(ref name, ref desc, _) => {
println!(" -Z {:>20s} -- {}", *name, *desc);
}
}
}
}
pub fn describe_codegen_flags() {
println!("\nAvailable codegen options:\n");
let mut cg = session::basic_codegen_options();
for &(name, parser, desc) in session::CG_OPTIONS.iter() {let (width, extra) = if parser(&mut cg, None) {
(25, "")
} else {
(21, "=val")
};
println!(" -C {:>width$s}{} -- {}", name.replace("_", "-"),
extra, desc, width=width);
}
}
pub fn run_compiler(args: &[~str]) {
let mut args = args.to_owned();
let binary = args.shift().unwrap();
if args.is_empty() { usage(binary); return; }
let matches =
&match getopts::getopts(args, d::optgroups().as_slice()) {
Ok(m) => m,
Err(f) => {
d::early_error(f.to_err_msg());
}
};
if matches.opt_present("h") || matches.opt_present("help") {
usage(binary);
return;
}
let lint_flags = matches.opt_strs("W").move_iter().collect::<Vec<_>>().append(
matches.opt_strs("warn").as_slice());
if lint_flags.iter().any(|x| x == &~"help") {
describe_warnings();
return;
}
let r = matches.opt_strs("Z");
if r.iter().any(|x| x == &~"help") {
describe_debug_flags();
return;
}
let cg_flags = matches.opt_strs("C");
if cg_flags.iter().any(|x| x == &~"help") {
describe_codegen_flags();
return;
}
if cg_flags.contains(&~"passes=list") {
unsafe { lib::llvm::llvm::LLVMRustPrintPasses(); }
return;
}
if matches.opt_present("v") || matches.opt_present("version") {
version(binary);
return;
}
let (input, input_file_path) = match matches.free.len() {
0u => d::early_error("no input filename given"),
1u => {
let ifile = matches.free.get(0).as_slice();
if ifile == "-" {
let contents = io::stdin().read_to_end().unwrap();
let src = str::from_utf8_owned(contents).unwrap();
(d::StrInput(src), None)
} else {
(d::FileInput(Path::new(ifile)), Some(Path::new(ifile)))
}
}
_ => d::early_error("multiple input filenames provided")
};
let sopts = d::build_session_options(matches);
let sess = d::build_session(sopts, input_file_path);
let odir = matches.opt_str("out-dir").map(|o| Path::new(o));
let ofile = matches.opt_str("o").map(|o| Path::new(o));
let cfg = d::build_configuration(&sess);
let pretty = matches.opt_default("pretty", "normal").map(|a| {
d::parse_pretty(&sess, a)
});
match pretty {
Some::<d::PpMode>(ppm) => {
d::pretty_print_input(sess, cfg, &input, ppm);
return;
}
None::<d::PpMode> => {}
}
let ls = matches.opt_present("ls");
if ls {
match input {
d::FileInput(ref ifile) => {
let mut stdout = io::stdout();
d::list_metadata(&sess, &(*ifile), &mut stdout).unwrap();
}
d::StrInput(_) => {
d::early_error("can not list metadata for stdin");
}
}
return;
}
let (crate_id, crate_name, crate_file_name) = sess.opts.print_metas;if crate_id || crate_name || crate_file_name {
let attrs = parse_crate_attrs(&sess, &input);
let t_outputs = d::build_output_filenames(&input, &odir, &ofile,
attrs.as_slice(), &sess);
let id = link::find_crate_id(attrs.as_slice(), t_outputs.out_filestem);
if crate_id {
println!("{}", id.to_str());
}
if crate_name {
println!("{}", id.name);
}
if crate_file_name {
let crate_types = session::collect_crate_types(&sess,
attrs.as_slice());
for &style in crate_types.iter() {
let fname = link::filename_for_input(&sess, style, &id,
&t_outputs.with_extension(""));
println!("{}", fname.filename_display());
}
}
return;
}
d::compile_input(sess, cfg, &input, &odir, &ofile);
}
fn parse_crate_attrs(sess: &session::Session, input: &d::Input) ->
Vec<ast::Attribute> {
let result = match *input {
d::FileInput(ref ifile) => {
parse::parse_crate_attrs_from_file(ifile,
Vec::new(),
&sess.parse_sess)
}
d::StrInput(ref src) => {
parse::parse_crate_attrs_from_source_str(d::anon_src(),
(*src).clone(),
Vec::new(),
&sess.parse_sess)
}
};
result.move_iter().collect()
}
pub fn monitor(f: proc:Send()) {#[cfg(rtopt)]
static STACK_SIZE: uint = 6000000;#[cfg(not(rtopt))]
static STACK_SIZE: uint = 20000000;let mut task_builder = task::task().named("rustc");if os::getenv("RUST_MIN_STACK").is_none() {
task_builder.opts.stack_size = Some(STACK_SIZE);
}
let (tx, rx) = channel();
let w = io::ChanWriter::new(tx);
let mut r = io::ChanReader::new(rx);
match task_builder.try(proc() {
io::stdio::set_stderr(~w);
f()
}) {
Ok(()) => {}
Err(value) => {if !value.is::<diagnostic::FatalError>() {
let mut emitter = diagnostic::EmitterWriter::stderr();if !value.is::<diagnostic::ExplicitBug>() {
emitter.emit(
None,
"unexpected failure",
diagnostic::Bug);
}
let xs = [
~"the compiler hit an unexpected failure path. this is a bug.",
"we would appreciate a bug report: " + BUG_REPORT_URL,
~"run with `RUST_BACKTRACE=1` for a backtrace",
];
for note in xs.iter() {
emitter.emit(None, *note, diagnostic::Note)
}
match r.read_to_str() {
Ok(s) => println!("{}", s),
Err(e) => emitter.emit(None,
format!("failed to read internal stderr: {}", e),
diagnostic::Error),
}
}io::stdio::set_stderr(~io::util::NullWriter);
fail!();
}
}
}
pub fn main() {
std::os::set_exit_status(main_args(std::os::args()));
}
pub fn main_args(args: &[~str]) -> int {
let owned_args = args.to_owned();
monitor(proc() run_compiler(owned_args));
0
}