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Diffstat (limited to 'src/librustc_back/lib.rs')
| -rw-r--r-- | src/librustc_back/lib.rs | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/src/librustc_back/lib.rs b/src/librustc_back/lib.rs deleted file mode 100644 index 027a9c45555..00000000000 --- a/src/librustc_back/lib.rs +++ /dev/null @@ -1,170 +0,0 @@ -// Copyright 2012-2013 The Rust Project Developers. See the COPYRIGHT -// file at the top-level directory of this distribution and at -// http://rust-lang.org/COPYRIGHT. -// -// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or -// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license -// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your -// option. This file may not be copied, modified, or distributed -// except according to those terms. - -//! Some stuff used by rustc that doesn't have many dependencies -//! -//! Originally extracted from rustc::back, which was nominally the -//! compiler 'backend', though LLVM is rustc's backend, so rustc_back -//! is really just odds-and-ends relating to code gen and linking. -//! This crate mostly exists to make rustc smaller, so we might put -//! more 'stuff' here in the future. It does not have a dependency on -//! rustc_llvm. -//! -//! FIXME: Split this into two crates: one that has deps on syntax, and -//! one that doesn't; the one that doesn't might get decent parallel -//! build speedups. - -#![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png", - html_favicon_url = "https://doc.rust-lang.org/favicon.ico", - html_root_url = "https://doc.rust-lang.org/nightly/")] - -#![feature(box_syntax)] -#![feature(const_fn)] -#![feature(fs_read_write)] - -extern crate syntax; -extern crate rand; -extern crate serialize; -#[macro_use] extern crate log; - -extern crate serialize as rustc_serialize; // used by deriving - -pub mod target; - -use std::str::FromStr; - -use serialize::json::{Json, ToJson}; - -#[derive(Clone, Copy, Debug, Eq, Ord, PartialEq, PartialOrd, Hash, - RustcEncodable, RustcDecodable)] -pub enum LinkerFlavor { - Em, - Gcc, - Ld, - Msvc, - Lld(LldFlavor), -} - -#[derive(Clone, Copy, Debug, Eq, Ord, PartialEq, PartialOrd, Hash, - RustcEncodable, RustcDecodable)] -pub enum LldFlavor { - Wasm, - Ld64, - Ld, - Link, -} - -impl ToJson for LinkerFlavor { - fn to_json(&self) -> Json { - self.desc().to_json() - } -} -macro_rules! flavor_mappings { - ($((($($flavor:tt)*), $string:expr),)*) => ( - impl LinkerFlavor { - pub const fn one_of() -> &'static str { - concat!("one of: ", $($string, " ",)+) - } - - pub fn from_str(s: &str) -> Option<Self> { - Some(match s { - $($string => $($flavor)*,)+ - _ => return None, - }) - } - - pub fn desc(&self) -> &str { - match *self { - $($($flavor)* => $string,)+ - } - } - } - ) -} - - -flavor_mappings! { - ((LinkerFlavor::Em), "em"), - ((LinkerFlavor::Gcc), "gcc"), - ((LinkerFlavor::Ld), "ld"), - ((LinkerFlavor::Msvc), "msvc"), - ((LinkerFlavor::Lld(LldFlavor::Wasm)), "wasm-ld"), - ((LinkerFlavor::Lld(LldFlavor::Ld64)), "ld64.lld"), - ((LinkerFlavor::Lld(LldFlavor::Ld)), "ld.lld"), - ((LinkerFlavor::Lld(LldFlavor::Link)), "lld-link"), -} - -#[derive(Clone, Copy, Debug, PartialEq, Hash, RustcEncodable, RustcDecodable)] -pub enum PanicStrategy { - Unwind, - Abort, -} - -impl PanicStrategy { - pub fn desc(&self) -> &str { - match *self { - PanicStrategy::Unwind => "unwind", - PanicStrategy::Abort => "abort", - } - } -} - -impl ToJson for PanicStrategy { - fn to_json(&self) -> Json { - match *self { - PanicStrategy::Abort => "abort".to_json(), - PanicStrategy::Unwind => "unwind".to_json(), - } - } -} - -#[derive(Clone, Copy, Debug, PartialEq, Hash, RustcEncodable, RustcDecodable)] -pub enum RelroLevel { - Full, - Partial, - Off, - None, -} - -impl RelroLevel { - pub fn desc(&self) -> &str { - match *self { - RelroLevel::Full => "full", - RelroLevel::Partial => "partial", - RelroLevel::Off => "off", - RelroLevel::None => "none", - } - } -} - -impl FromStr for RelroLevel { - type Err = (); - - fn from_str(s: &str) -> Result<RelroLevel, ()> { - match s { - "full" => Ok(RelroLevel::Full), - "partial" => Ok(RelroLevel::Partial), - "off" => Ok(RelroLevel::Off), - "none" => Ok(RelroLevel::None), - _ => Err(()), - } - } -} - -impl ToJson for RelroLevel { - fn to_json(&self) -> Json { - match *self { - RelroLevel::Full => "full".to_json(), - RelroLevel::Partial => "partial".to_json(), - RelroLevel::Off => "off".to_json(), - RelroLevel::None => "None".to_json(), - } - } -} |