1 // Copyright 2017 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.
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.
13 //! This API is completely unstable and subject to change.
15 #![doc(html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
16 html_favicon_url = "https://doc.rust-lang.org/favicon.ico",
17 html_root_url = "https://doc.rust-lang.org/nightly/")]
19 #![feature(box_patterns)]
20 #![feature(box_syntax)]
21 #![feature(custom_attribute)]
22 #![cfg_attr(not(stage0), feature(nll))]
23 #![allow(unused_attributes)]
25 #![feature(rustc_diagnostic_macros)]
27 #![recursion_limit="256"]
35 extern crate rustc_target;
36 extern crate rustc_mir;
37 extern crate rustc_incremental;
39 extern crate syntax_pos;
40 #[macro_use] extern crate rustc_data_structures;
41 extern crate rustc_metadata_utils;
43 use rustc::ty::TyCtxt;
46 pub mod codegen_backend;
48 pub mod symbol_names_test;
50 /// check for the #[rustc_error] annotation, which forces an
51 /// error in codegen. This is used to write compile-fail tests
52 /// that actually test that compilation succeeds without
53 /// reporting an error.
54 pub fn check_for_rustc_errors_attr(tcx: TyCtxt) {
55 if let Some((id, span, _)) = *tcx.sess.entry_fn.borrow() {
56 let main_def_id = tcx.hir.local_def_id(id);
58 if tcx.has_attr(main_def_id, "rustc_error") {
59 tcx.sess.span_fatal(span, "compilation successful");
64 __build_diagnostic_array! { librustc_codegen_utils, DIAGNOSTICS }