Use {Decodable,Encodable}_NoContext in type_ir

Author: compiler-errors

compiler/rustc_abi/src/lib.rs

@@ -52,7 +52,7 @@ use rustc_data_structures::stable_hasher::StableOrd;
 use rustc_hashes::Hash64;
 use rustc_index::{Idx, IndexSlice, IndexVec};
 #[cfg(feature = "nightly")]
-use rustc_macros::{Decodable_Generic, Encodable_Generic, HashStable_Generic};
+use rustc_macros::{Decodable_NoContext, Encodable_NoContext, HashStable_Generic};
 
 mod callconv;
 mod layout;
@@ -74,7 +74,10 @@ pub use layout::{LayoutCalculator, LayoutCalculatorError};
 pub trait HashStableContext {}
 
 #[derive(Clone, Copy, PartialEq, Eq, Default)]
-#[cfg_attr(feature = "nightly", derive(Encodable_Generic, Decodable_Generic, HashStable_Generic))]
+#[cfg_attr(
+    feature = "nightly",
+    derive(Encodable_NoContext, Decodable_NoContext, HashStable_Generic)
+)]
 pub struct ReprFlags(u8);
 
 bitflags! {
@@ -106,7 +109,10 @@ impl std::fmt::Debug for ReprFlags {
 }
 
 #[derive(Copy, Clone, Debug, Eq, PartialEq)]
-#[cfg_attr(feature = "nightly", derive(Encodable_Generic, Decodable_Generic, HashStable_Generic))]
+#[cfg_attr(
+    feature = "nightly",
+    derive(Encodable_NoContext, Decodable_NoContext, HashStable_Generic)
+)]
 pub enum IntegerType {
     /// Pointer-sized integer type, i.e. `isize` and `usize`. The field shows signedness, e.g.
     /// `Pointer(true)` means `isize`.
@@ -127,7 +133,10 @@ impl IntegerType {
 
 /// Represents the repr options provided by the user.
 #[derive(Copy, Clone, Debug, Eq, PartialEq, Default)]
-#[cfg_attr(feature = "nightly", derive(Encodable_Generic, Decodable_Generic, HashStable_Generic))]
+#[cfg_attr(
+    feature = "nightly",
+    derive(Encodable_NoContext, Decodable_NoContext, HashStable_Generic)
+)]
 pub struct ReprOptions {
     pub int: Option<IntegerType>,
     pub align: Option<Align>,
@@ -487,7 +496,10 @@ impl FromStr for Endian {
 
 /// Size of a type in bytes.
 #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
-#[cfg_attr(feature = "nightly", derive(Encodable_Generic, Decodable_Generic, HashStable_Generic))]
+#[cfg_attr(
+    feature = "nightly",
+    derive(Encodable_NoContext, Decodable_NoContext, HashStable_Generic)
+)]
 pub struct Size {
     raw: u64,
 }
@@ -713,7 +725,10 @@ impl Step for Size {
 
 /// Alignment of a type in bytes (always a power of two).
 #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
-#[cfg_attr(feature = "nightly", derive(Encodable_Generic, Decodable_Generic, HashStable_Generic))]
+#[cfg_attr(
+    feature = "nightly",
+    derive(Encodable_NoContext, Decodable_NoContext, HashStable_Generic)
+)]
 pub struct Align {
     pow2: u8,
 }
@@ -872,7 +887,10 @@ impl AbiAndPrefAlign {
 
 /// Integers, also used for enum discriminants.
 #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug)]
-#[cfg_attr(feature = "nightly", derive(Encodable_Generic, Decodable_Generic, HashStable_Generic))]
+#[cfg_attr(
+    feature = "nightly",
+    derive(Encodable_NoContext, Decodable_NoContext, HashStable_Generic)
+)]
 pub enum Integer {
     I8,
     I16,

compiler/rustc_ast_ir/src/lib.rs

@@ -12,14 +12,17 @@
 // tidy-alphabetical-end
 
 #[cfg(feature = "nightly")]
-use rustc_macros::{Decodable, Encodable, HashStable_NoContext};
+use rustc_macros::{Decodable_NoContext, Encodable_NoContext, HashStable_NoContext};
 
 pub mod visit;
 
 /// The movability of a coroutine / closure literal:
 /// whether a coroutine contains self-references, causing it to be `!Unpin`.
 #[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, Copy)]
-#[cfg_attr(feature = "nightly", derive(Encodable, Decodable, HashStable_NoContext))]
+#[cfg_attr(
+    feature = "nightly",
+    derive(Encodable_NoContext, Decodable_NoContext, HashStable_NoContext)
+)]
 pub enum Movability {
     /// May contain self-references, `!Unpin`.
     Static,
@@ -28,7 +31,10 @@ pub enum Movability {
 }
 
 #[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, Copy)]
-#[cfg_attr(feature = "nightly", derive(Encodable, Decodable, HashStable_NoContext))]
+#[cfg_attr(
+    feature = "nightly",
+    derive(Encodable_NoContext, Decodable_NoContext, HashStable_NoContext)
+)]
 pub enum Mutability {
     // N.B. Order is deliberate, so that Not < Mut
     Not,
@@ -87,7 +93,10 @@ impl Mutability {
 }
 
 #[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, Copy)]
-#[cfg_attr(feature = "nightly", derive(Encodable, Decodable, HashStable_NoContext))]
+#[cfg_attr(
+    feature = "nightly",
+    derive(Encodable_NoContext, Decodable_NoContext, HashStable_NoContext)
+)]
 pub enum Pinnedness {
     Not,
     Pinned,

compiler/rustc_data_structures/src/sorted_map.rs

@@ -4,7 +4,7 @@ use std::fmt::Debug;
 use std::mem;
 use std::ops::{Bound, Index, IndexMut, RangeBounds};
 
-use rustc_macros::{Decodable_Generic, Encodable_Generic};
+use rustc_macros::{Decodable_NoContext, Encodable_NoContext};
 
 use crate::stable_hasher::{HashStable, StableHasher, StableOrd};
 
@@ -20,7 +20,7 @@ pub use index_map::SortedIndexMultiMap;
 /// stores data in a more compact way. It also supports accessing contiguous
 /// ranges of elements as a slice, and slices of already sorted elements can be
 /// inserted efficiently.
-#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Encodable_Generic, Decodable_Generic)]
+#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Encodable_NoContext, Decodable_NoContext)]
 pub struct SortedMap<K, V> {
     data: Vec<(K, V)>,
 }

compiler/rustc_data_structures/src/svh.rs

@@ -7,12 +7,12 @@
 
 use std::fmt;
 
-use rustc_macros::{Decodable_Generic, Encodable_Generic};
+use rustc_macros::{Decodable_NoContext, Encodable_NoContext};
 
 use crate::fingerprint::Fingerprint;
 use crate::stable_hasher;
 
-#[derive(Copy, Clone, PartialEq, Eq, Debug, Encodable_Generic, Decodable_Generic, Hash)]
+#[derive(Copy, Clone, PartialEq, Eq, Debug, Encodable_NoContext, Decodable_NoContext, Hash)]
 pub struct Svh {
     hash: Fingerprint,
 }

compiler/rustc_data_structures/src/unord.rs

@@ -9,7 +9,7 @@ use std::iter::{Product, Sum};
 use std::ops::Index;
 
 use rustc_hash::{FxHashMap, FxHashSet};
-use rustc_macros::{Decodable_Generic, Encodable_Generic};
+use rustc_macros::{Decodable_NoContext, Encodable_NoContext};
 
 use crate::fingerprint::Fingerprint;
 use crate::stable_hasher::{HashStable, StableCompare, StableHasher, ToStableHashKey};
@@ -224,7 +224,7 @@ trait UnordCollection {}
 ///
 /// See [MCP 533](https://github.com/rust-lang/compiler-team/issues/533)
 /// for more information.
-#[derive(Debug, Eq, PartialEq, Clone, Encodable_Generic, Decodable_Generic)]
+#[derive(Debug, Eq, PartialEq, Clone, Encodable_NoContext, Decodable_NoContext)]
 pub struct UnordSet<V: Eq + Hash> {
     inner: FxHashSet<V>,
 }
@@ -415,7 +415,7 @@ impl<HCX, V: Hash + Eq + HashStable<HCX>> HashStable<HCX> for UnordSet<V> {
 ///
 /// See [MCP 533](https://github.com/rust-lang/compiler-team/issues/533)
 /// for more information.
-#[derive(Debug, Eq, PartialEq, Clone, Encodable_Generic, Decodable_Generic)]
+#[derive(Debug, Eq, PartialEq, Clone, Encodable_NoContext, Decodable_NoContext)]
 pub struct UnordMap<K: Eq + Hash, V> {
     inner: FxHashMap<K, V>,
 }
@@ -639,7 +639,7 @@ impl<HCX, K: Hash + Eq + HashStable<HCX>, V: HashStable<HCX>> HashStable<HCX> fo
 ///
 /// See [MCP 533](https://github.com/rust-lang/compiler-team/issues/533)
 /// for more information.
-#[derive(Default, Debug, Eq, PartialEq, Clone, Encodable_Generic, Decodable_Generic)]
+#[derive(Default, Debug, Eq, PartialEq, Clone, Encodable_NoContext, Decodable_NoContext)]
 pub struct UnordBag<V> {
     inner: Vec<V>,
 }

compiler/rustc_index/src/bit_set.rs

@@ -7,7 +7,7 @@ use std::{fmt, iter, slice};
 
 use Chunk::*;
 #[cfg(feature = "nightly")]
-use rustc_macros::{Decodable_Generic, Encodable_Generic};
+use rustc_macros::{Decodable_NoContext, Encodable_NoContext};
 use smallvec::{SmallVec, smallvec};
 
 use crate::{Idx, IndexVec};
@@ -114,7 +114,7 @@ macro_rules! bit_relations_inherent_impls {
 /// to or greater than the domain size. All operations that involve two bitsets
 /// will panic if the bitsets have differing domain sizes.
 ///
-#[cfg_attr(feature = "nightly", derive(Decodable_Generic, Encodable_Generic))]
+#[cfg_attr(feature = "nightly", derive(Decodable_NoContext, Encodable_NoContext))]
 #[derive(Eq, PartialEq, Hash)]
 pub struct DenseBitSet<T> {
     domain_size: usize,
@@ -1392,7 +1392,7 @@ impl<T: Idx> From<DenseBitSet<T>> for GrowableBitSet<T> {
 ///
 /// All operations that involve a row and/or column index will panic if the
 /// index exceeds the relevant bound.
-#[cfg_attr(feature = "nightly", derive(Decodable_Generic, Encodable_Generic))]
+#[cfg_attr(feature = "nightly", derive(Decodable_NoContext, Encodable_NoContext))]
 #[derive(Clone, Eq, PartialEq, Hash)]
 pub struct BitMatrix<R: Idx, C: Idx> {
     num_rows: usize,
@@ -1816,7 +1816,7 @@ impl std::fmt::Debug for FiniteBitSet<u32> {
 
 /// A fixed-sized bitset type represented by an integer type. Indices outwith than the range
 /// representable by `T` are considered set.
-#[cfg_attr(feature = "nightly", derive(Decodable_Generic, Encodable_Generic))]
+#[cfg_attr(feature = "nightly", derive(Decodable_NoContext, Encodable_NoContext))]
 #[derive(Copy, Clone, Eq, PartialEq)]
 pub struct FiniteBitSet<T: FiniteBitSetTy>(pub T);
 

compiler/rustc_macros/src/lib.rs

@@ -74,8 +74,8 @@ decl_derive!(
     hash_stable::hash_stable_no_context_derive
 );
 
-decl_derive!([Decodable_Generic] => serialize::decodable_generic_derive);
-decl_derive!([Encodable_Generic] => serialize::encodable_generic_derive);
+decl_derive!([Decodable_NoContext] => serialize::decodable_nocontext_derive);
+decl_derive!([Encodable_NoContext] => serialize::encodable_nocontext_derive);
 decl_derive!([Decodable] => serialize::decodable_derive);
 decl_derive!([Encodable] => serialize::encodable_derive);
 decl_derive!([TyDecodable] => serialize::type_decodable_derive);

compiler/rustc_macros/src/serialize.rs

@@ -15,7 +15,7 @@ pub(super) fn type_decodable_derive(
         quote! {}
     };
 
-    s.add_impl_generic(parse_quote! { #decoder_ty: ::rustc_type_ir::codec::TyDecoder #bound });
+    s.add_impl_generic(parse_quote! { #decoder_ty: ::rustc_middle::ty::codec::TyDecoder #bound });
     s.add_bounds(synstructure::AddBounds::Fields);
     s.underscore_const(true);
 
@@ -45,12 +45,12 @@ pub(super) fn decodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro
     decodable_body(s, decoder_ty)
 }
 
-pub(super) fn decodable_generic_derive(
+pub(super) fn decodable_nocontext_derive(
     mut s: synstructure::Structure<'_>,
 ) -> proc_macro2::TokenStream {
     let decoder_ty = quote! { __D };
     s.add_impl_generic(parse_quote! { #decoder_ty: ::rustc_serialize::Decoder });
-    s.add_bounds(synstructure::AddBounds::Generics);
+    s.add_bounds(synstructure::AddBounds::Fields);
     s.underscore_const(true);
 
     decodable_body(s, decoder_ty)
@@ -141,7 +141,7 @@ pub(super) fn type_encodable_derive(
     };
 
     let encoder_ty = quote! { __E };
-    s.add_impl_generic(parse_quote! { #encoder_ty: ::rustc_type_ir::codec::TyEncoder #bound });
+    s.add_impl_generic(parse_quote! { #encoder_ty: ::rustc_middle::ty::codec::TyEncoder #bound });
     s.add_bounds(synstructure::AddBounds::Fields);
     s.underscore_const(true);
 
@@ -171,12 +171,12 @@ pub(super) fn encodable_derive(mut s: synstructure::Structure<'_>) -> proc_macro
     encodable_body(s, encoder_ty, false)
 }
 
-pub(super) fn encodable_generic_derive(
+pub(super) fn encodable_nocontext_derive(
     mut s: synstructure::Structure<'_>,
 ) -> proc_macro2::TokenStream {
     let encoder_ty = quote! { __E };
     s.add_impl_generic(parse_quote! { #encoder_ty: ::rustc_serialize::Encoder });
-    s.add_bounds(synstructure::AddBounds::Generics);
+    s.add_bounds(synstructure::AddBounds::Fields);
     s.underscore_const(true);
 
     encodable_body(s, encoder_ty, false)

compiler/rustc_next_trait_solver/src/solve/eval_ctxt/mod.rs

@@ -2,7 +2,7 @@ use std::ops::ControlFlow;
 
 use derive_where::derive_where;
 #[cfg(feature = "nightly")]
-use rustc_macros::{HashStable_NoContext, TyDecodable, TyEncodable};
+use rustc_macros::{Decodable_NoContext, Encodable_NoContext, HashStable_NoContext};
 use rustc_type_ir::data_structures::{HashMap, HashSet, ensure_sufficient_stack};
 use rustc_type_ir::fast_reject::DeepRejectCtxt;
 use rustc_type_ir::inherent::*;
@@ -131,7 +131,10 @@ where
 
 #[derive_where(Clone, Debug, Default; I: Interner)]
 #[derive(TypeVisitable_Generic, TypeFoldable_Generic, Lift_Generic)]
-#[cfg_attr(feature = "nightly", derive(TyDecodable, TyEncodable, HashStable_NoContext))]
+#[cfg_attr(
+    feature = "nightly",
+    derive(Decodable_NoContext, Encodable_NoContext, HashStable_NoContext)
+)]
 struct NestedGoals<I: Interner> {
     /// These normalizes-to goals are treated specially during the evaluation
     /// loop. In each iteration we take the RHS of the projection, replace it with

compiler/rustc_serialize/tests/opaque.rs

@@ -3,11 +3,11 @@
 use std::fmt::Debug;
 use std::fs;
 
-use rustc_macros::{Decodable_Generic, Encodable_Generic};
+use rustc_macros::{Decodable_NoContext, Encodable_NoContext};
 use rustc_serialize::opaque::{FileEncoder, MemDecoder};
 use rustc_serialize::{Decodable, Encodable};
 
-#[derive(PartialEq, Clone, Debug, Encodable_Generic, Decodable_Generic)]
+#[derive(PartialEq, Clone, Debug, Encodable_NoContext, Decodable_NoContext)]
 struct Struct {
     a: (),
     b: u8,
@@ -210,7 +210,7 @@ fn test_struct() {
     }]);
 }
 
-#[derive(PartialEq, Clone, Debug, Encodable_Generic, Decodable_Generic)]
+#[derive(PartialEq, Clone, Debug, Encodable_NoContext, Decodable_NoContext)]
 enum Enum {
     Variant1,
     Variant2(usize, u32),
@@ -259,15 +259,15 @@ fn test_tuples() {
 
 #[test]
 fn test_unit_like_struct() {
-    #[derive(Encodable_Generic, Decodable_Generic, PartialEq, Debug)]
+    #[derive(Encodable_NoContext, Decodable_NoContext, PartialEq, Debug)]
     struct UnitLikeStruct;
 
     check_round_trip(vec![UnitLikeStruct]);
 }
 
 #[test]
 fn test_box() {
-    #[derive(Encodable_Generic, Decodable_Generic, PartialEq, Debug)]
+    #[derive(Encodable_NoContext, Decodable_NoContext, PartialEq, Debug)]
     struct A {
         foo: Box<[bool]>,
     }
@@ -280,12 +280,12 @@ fn test_box() {
 fn test_cell() {
     use std::cell::{Cell, RefCell};
 
-    #[derive(Encodable_Generic, Decodable_Generic, PartialEq, Debug)]
+    #[derive(Encodable_NoContext, Decodable_NoContext, PartialEq, Debug)]
     struct A {
         baz: isize,
     }
 
-    #[derive(Encodable_Generic, Decodable_Generic, PartialEq, Debug)]
+    #[derive(Encodable_NoContext, Decodable_NoContext, PartialEq, Debug)]
     struct B {
         foo: Cell<bool>,
         bar: RefCell<A>,

compiler/rustc_type_ir/src/binder.rs

@@ -5,7 +5,7 @@ use std::ops::{ControlFlow, Deref};
 
 use derive_where::derive_where;
 #[cfg(feature = "nightly")]
-use rustc_macros::{HashStable_NoContext, TyDecodable, TyEncodable};
+use rustc_macros::{Decodable_NoContext, Encodable_NoContext, HashStable_NoContext};
 use tracing::instrument;
 
 use crate::data_structures::SsoHashSet;
@@ -342,7 +342,10 @@ impl<I: Interner> TypeVisitor<I> for ValidateBoundVars<I> {
 #[derive_where(PartialOrd; I: Interner, T: Ord)]
 #[derive_where(Hash; I: Interner, T: Hash)]
 #[derive_where(Debug; I: Interner, T: Debug)]
-#[cfg_attr(feature = "nightly", derive(TyEncodable, TyDecodable, HashStable_NoContext))]
+#[cfg_attr(
+    feature = "nightly",
+    derive(Encodable_NoContext, Decodable_NoContext, HashStable_NoContext)
+)]
 pub struct EarlyBinder<I: Interner, T> {
     value: T,
     #[derive_where(skip(Debug))]