| //! # Note |
| //! |
| //! This API is completely unstable and subject to change. |
| |
| #![doc(html_root_url = "https://doc.rust-lang.org/nightly/")] |
| |
| #![feature(arbitrary_self_types)] |
| #![feature(box_patterns)] |
| #![feature(box_syntax)] |
| #![feature(custom_attribute)] |
| #![feature(nll)] |
| #![allow(unused_attributes)] |
| #![feature(rustc_diagnostic_macros)] |
| #![feature(in_band_lifetimes)] |
| |
| #![recursion_limit="256"] |
| |
| #![deny(rust_2018_idioms)] |
| |
| #[macro_use] |
| extern crate rustc; |
| |
| use rustc::ty::TyCtxt; |
| use rustc::hir::def_id::LOCAL_CRATE; |
| |
| pub mod link; |
| pub mod codegen_backend; |
| pub mod symbol_names; |
| pub mod symbol_names_test; |
| |
| /// check for the #[rustc_error] annotation, which forces an |
| /// error in codegen. This is used to write compile-fail tests |
| /// that actually test that compilation succeeds without |
| /// reporting an error. |
| pub fn check_for_rustc_errors_attr(tcx: TyCtxt<'_, '_, '_>) { |
| if let Some((def_id, _)) = tcx.entry_fn(LOCAL_CRATE) { |
| if tcx.has_attr(def_id, "rustc_error") { |
| tcx.sess.span_fatal(tcx.def_span(def_id), "compilation successful"); |
| } |
| } |
| } |
