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All hooks receive a `TyCtxtAt` argument. Currently hooks can be called through `TyCtxtAt` or `TyCtxt`. In the latter case, a `TyCtxtAt` is constructed with a dummy span and passed to the hook. However, in practice hooks are never called through `TyCtxtAt`, and always receive a dummy span. (I confirmed this via code inspection, and double-checked it by temporarily making the `TyCtxtAt` code path panic and running all the tests.) This commit removes all the `TyCtxtAt` machinery for hooks. All hooks now receive `TyCtxt` instead of `TyCtxtAt`. There are two existing hooks that use `TyCtxtAt::span`: `const_caller_location_provider` and `try_destructure_mir_constant_for_user_output`. For both hooks the span is always a dummy span, probably unintentionally. This dummy span use is now explicit. If a non-dummy span is needed for these two hooks it would be easy to add it as an extra argument because hooks are less constrained than queries.
31 lines
907 B
Rust
31 lines
907 B
Rust
//! Support for serializing the dep-graph and reloading it.
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// tidy-alphabetical-start
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#![allow(internal_features)]
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#![deny(missing_docs)]
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#![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
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#![doc(rust_logo)]
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#![feature(file_buffered)]
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#![feature(rustdoc_internals)]
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#![warn(unreachable_pub)]
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// tidy-alphabetical-end
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mod assert_dep_graph;
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mod errors;
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mod persist;
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pub use persist::{
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LoadResult, copy_cgu_workproduct_to_incr_comp_cache_dir, finalize_session_directory,
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in_incr_comp_dir, in_incr_comp_dir_sess, load_query_result_cache, save_work_product_index,
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setup_dep_graph,
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};
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use rustc_middle::util::Providers;
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#[allow(missing_docs)]
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pub fn provide(providers: &mut Providers) {
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providers.hooks.save_dep_graph =
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|tcx| tcx.sess.time("serialize_dep_graph", || persist::save_dep_graph(tcx));
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}
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rustc_fluent_macro::fluent_messages! { "../messages.ftl" }
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