rustc_const_eval/
lib.rs

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

rustc_const_eval/
lib.rs
