rustc_const_eval/
lib.rs

1// tidy-alphabetical-start
2#![cfg_attr(bootstrap, feature(assert_matches))]
3#![feature(array_try_map)]
4#![feature(box_patterns)]
5#![feature(decl_macro)]
6#![feature(never_type)]
7#![feature(slice_ptr_get)]
8#![feature(trait_alias)]
9#![feature(unqualified_local_imports)]
10#![feature(yeet_expr)]
11#![warn(unqualified_local_imports)]
12// tidy-alphabetical-end
13
14pub mod check_consts;
15pub mod const_eval;
16mod errors;
17pub mod interpret;
18pub mod util;
19
20use std::sync::atomic::AtomicBool;
21
22use rustc_middle::ty;
23use rustc_middle::util::Providers;
24
25pub fn provide(providers: &mut Providers) {
26    const_eval::provide(&mut providers.queries);
27    providers.queries.tag_for_variant = const_eval::tag_for_variant_provider;
28    providers.queries.eval_to_const_value_raw = const_eval::eval_to_const_value_raw_provider;
29    providers.queries.eval_to_allocation_raw = const_eval::eval_to_allocation_raw_provider;
30    providers.queries.eval_static_initializer = const_eval::eval_static_initializer_provider;
31    providers.hooks.const_caller_location = util::caller_location::const_caller_location_provider;
32    providers.queries.eval_to_valtree = |tcx, ty::PseudoCanonicalInput { typing_env, value }| {
33        const_eval::eval_to_valtree(tcx, typing_env, value)
34    };
35    providers.hooks.try_destructure_mir_constant_for_user_output =
36        const_eval::try_destructure_mir_constant_for_user_output;
37    providers.queries.valtree_to_const_val =
38        |tcx, cv| const_eval::valtree_to_const_value(tcx, ty::TypingEnv::fully_monomorphized(), cv);
39    providers.queries.check_validity_requirement = |tcx, (init_kind, param_env_and_ty)| {
40        util::check_validity_requirement(tcx, init_kind, param_env_and_ty)
41    };
42    providers.hooks.validate_scalar_in_layout =
43        |tcx, scalar, layout| util::validate_scalar_in_layout(tcx, scalar, layout);
44}
45
46/// `rustc_driver::main` installs a handler that will set this to `true` if
47/// the compiler has been sent a request to shut down, such as by a Ctrl-C.
48/// This static lives here because it is only read by the interpreter.
49pub static CTRL_C_RECEIVED: AtomicBool = AtomicBool::new(false);
rustc_const_eval/lib.rs

rustc_const_eval/
lib.rs
