bjoernager/rust
bjoernager/rust
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Improve error messages even more

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Deadbeef 2021-12-09 22:42:17 +08:00
parent 1b0dcdc341
commit f7f0f843b7
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GPG key ID: 6D017A96D8E6C2F9
10 changed files with 433 additions and 238 deletions
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11
compiler/rustc_hir/src/lang_items.rs
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@ -21,6 +21,7 @@ use std::lazy::SyncLazy;
pub enum LangItemGroup {
Op,
Fn,
}
const NUM_GROUPS: usize = 1;
@ -251,9 +252,9 @@ language_item_table! {
DerefTarget, sym::deref_target, deref_target, Target::AssocTy, GenericRequirement::None;
Receiver, sym::receiver, receiver_trait, Target::Trait, GenericRequirement::None;
Fn, kw::Fn, fn_trait, Target::Trait, GenericRequirement::Exact(1);
FnMut, sym::fn_mut, fn_mut_trait, Target::Trait, GenericRequirement::Exact(1);
FnOnce, sym::fn_once, fn_once_trait, Target::Trait, GenericRequirement::Exact(1);
Fn(Fn), kw::Fn, fn_trait, Target::Trait, GenericRequirement::Exact(1);
FnMut(Fn), sym::fn_mut, fn_mut_trait, Target::Trait, GenericRequirement::Exact(1);
FnOnce(Fn), sym::fn_once, fn_once_trait, Target::Trait, GenericRequirement::Exact(1);
FnOnceOutput, sym::fn_once_output, fn_once_output, Target::AssocTy, GenericRequirement::None;
@ -264,8 +265,8 @@ language_item_table! {
Unpin, sym::unpin, unpin_trait, Target::Trait, GenericRequirement::None;
Pin, sym::pin, pin_type, Target::Struct, GenericRequirement::None;
PartialEq, sym::eq, eq_trait, Target::Trait, GenericRequirement::Exact(1);
PartialOrd, sym::partial_ord, partial_ord_trait, Target::Trait, GenericRequirement::Exact(1);
PartialEq(Op), sym::eq, eq_trait, Target::Trait, GenericRequirement::Exact(1);
PartialOrd(Op), sym::partial_ord, partial_ord_trait, Target::Trait, GenericRequirement::Exact(1);
// A number of panic-related lang items. The `panic` item corresponds to divide-by-zero and
// various panic cases with `match`. The `panic_bounds_check` item is for indexing arrays.