1 files changed, 68 insertions, 0 deletions
diff --git a/compiler/rustc_const_eval/src/lib.rs b/compiler/rustc_const_eval/src/lib.rs
new file mode 100644
index 000000000..72ac6af68
--- /dev/null
+++ b/compiler/rustc_const_eval/src/lib.rs
@@ -0,0 +1,68 @@
+/*!
+
+Rust MIR: a lowered representation of Rust.
+
+*/
+
+#![feature(assert_matches)]
+#![feature(box_patterns)]
+#![feature(control_flow_enum)]
+#![feature(decl_macro)]
+#![feature(exact_size_is_empty)]
+#![feature(let_chains)]
+#![feature(let_else)]
+#![feature(map_try_insert)]
+#![feature(min_specialization)]
+#![feature(slice_ptr_get)]
+#![feature(option_get_or_insert_default)]
+#![feature(never_type)]
+#![feature(trait_alias)]
+#![feature(trusted_len)]
+#![feature(trusted_step)]
+#![feature(try_blocks)]
+#![feature(yeet_expr)]
+#![feature(is_some_with)]
+#![recursion_limit = "256"]
+#![allow(rustc::potential_query_instability)]
+
+#[macro_use]
+extern crate tracing;
+#[macro_use]
+extern crate rustc_middle;
+
+pub mod const_eval;
+mod errors;
+pub mod interpret;
+mod might_permit_raw_init;
+pub mod transform;
+pub mod util;
+
+use rustc_middle::ty;
+use rustc_middle::ty::query::Providers;
+use rustc_target::abi::InitKind;
+
+pub fn provide(providers: &mut Providers) {
+    const_eval::provide(providers);
+    providers.eval_to_const_value_raw = const_eval::eval_to_const_value_raw_provider;
+    providers.eval_to_allocation_raw = const_eval::eval_to_allocation_raw_provider;
+    providers.const_caller_location = const_eval::const_caller_location;
+    providers.eval_to_valtree = |tcx, param_env_and_value| {
+        let (param_env, raw) = param_env_and_value.into_parts();
+        const_eval::eval_to_valtree(tcx, param_env, raw)
+    };
+    providers.try_destructure_mir_constant = |tcx, param_env_and_value| {
+        let (param_env, value) = param_env_and_value.into_parts();
+        const_eval::try_destructure_mir_constant(tcx, param_env, value).ok()
+    };
+    providers.valtree_to_const_val = |tcx, (ty, valtree)| {
+        const_eval::valtree_to_const_value(tcx, ty::ParamEnv::empty().and(ty), valtree)
+    };
+    providers.deref_mir_constant = |tcx, param_env_and_value| {
+        let (param_env, value) = param_env_and_value.into_parts();
+        const_eval::deref_mir_constant(tcx, param_env, value)
+    };
+    providers.permits_uninit_init =
+        |tcx, ty| might_permit_raw_init::might_permit_raw_init(tcx, ty, InitKind::Uninit);
+    providers.permits_zero_init =
+        |tcx, ty| might_permit_raw_init::might_permit_raw_init(tcx, ty, InitKind::Zero);
+}