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2023-06-13opportunistically resolve regionsMichael Goulet-8/+33
2023-06-05Remove redundant InferCtxtExt::fresh_item_substsMichael Goulet-1/+0
2023-05-29Rename `tcx.mk_re_*` => `Region::new_*`Maybe Waffle-1/+1
2023-05-10Use OpaqueTypeKey in query responseMichael Goulet-1/+1
2023-04-17Rollup merge of #110386 - nnethercote:clean-up-traversal-macros, r=lcnrMatthias Krüger-4/+2
Clean up traversal macros The declarative macros relating to type folding and visiting can be simplified. r? ``@lcnr``
2023-04-16Rollup merge of #109665 - fee1-dead-contrib:rm-remap-queries, r=oli-obkfee1-dead-8/+0
Remove `remap_env_constness` in queries This removes some of the complexities with const traits. #88119 used to be caused by this but was fixed by `param_env = param_env.without_const()`.
2023-04-16Simplify `CloneLiftImpls` and `TrivialTypeTraversalImpls`.Nicholas Nethercote-4/+2
They both allow for a lifetime other than `'tcx`, but this isn't needed.
2023-04-10Fix typos in compilerDaniPopes-1/+1
2023-04-10prioritize param-env candidateslcnr-0/+12
2023-04-08Remove `remap_env_constness` in queriesDeadbeef-8/+0
2023-04-06Remove index from BrAnonJack Huey-1/+1
2023-04-06Remove expect_anon and expect_anon_placeholder in favor of varJack Huey-6/+4
2023-04-06Use BoundTy and BoundRegion instead of kind of PlaceholderTy and ↵Jack Huey-3/+5
PlaceholderRegion
2023-04-05Tweak debug outputs to make debugging new solver easierMichael Goulet-1/+1
2023-03-08Auto merge of #108121 - aliemjay:resolve-var-region, r=lcnrbors-4/+33
always resolve to universal regions if possible `RegionConstraintCollector::opportunistic_resolve_var`, which is used in canonicalization and projection logic, doesn't resolve the region var to an equal universal region. So if we have equated `'static == '1 == '2`, it doesn't resolve `'1` or `'2` to `'static`. Now it does! Addresses review comment https://github.com/rust-lang/rust/pull/107376#discussion_r1093233687. r? `@lcnr`
2023-03-08prefer universal from lower universeAli MJ Al-Nasrawy-1/+17
In case a variable is unified with two universal regions from different universes, use the one with the lower universe as it has a higher chance of being compatible with the variable.
2023-03-08address review commentAli MJ Al-Nasrawy-3/+16
2023-03-03canonicalizationlcnr-2/+63
2023-02-24Rename many interner functions.Nicholas Nethercote-2/+2
(This is a large commit. The changes to `compiler/rustc_middle/src/ty/context.rs` are the most important ones.) The current naming scheme is a mess, with a mix of `_intern_`, `intern_` and `mk_` prefixes, with little consistency. In particular, in many cases it's easy to use an iterator interner when a (preferable) slice interner is available. The guiding principles of the new naming system: - No `_intern_` prefixes. - The `intern_` prefix is for internal operations. - The `mk_` prefix is for external operations. - For cases where there is a slice interner and an iterator interner, the former is `mk_foo` and the latter is `mk_foo_from_iter`. Also, `slice_interners!` and `direct_interners!` can now be `pub` or non-`pub`, which helps enforce the internal/external operations division. It's not perfect, but I think it's a clear improvement. The following lists show everything that was renamed. slice_interners - const_list - mk_const_list -> mk_const_list_from_iter - intern_const_list -> mk_const_list - substs - mk_substs -> mk_substs_from_iter - intern_substs -> mk_substs - check_substs -> check_and_mk_substs (this is a weird one) - canonical_var_infos - intern_canonical_var_infos -> mk_canonical_var_infos - poly_existential_predicates - mk_poly_existential_predicates -> mk_poly_existential_predicates_from_iter - intern_poly_existential_predicates -> mk_poly_existential_predicates - _intern_poly_existential_predicates -> intern_poly_existential_predicates - predicates - mk_predicates -> mk_predicates_from_iter - intern_predicates -> mk_predicates - _intern_predicates -> intern_predicates - projs - intern_projs -> mk_projs - place_elems - mk_place_elems -> mk_place_elems_from_iter - intern_place_elems -> mk_place_elems - bound_variable_kinds - mk_bound_variable_kinds -> mk_bound_variable_kinds_from_iter - intern_bound_variable_kinds -> mk_bound_variable_kinds direct_interners - region - intern_region (unchanged) - const - mk_const_internal -> intern_const - const_allocation - intern_const_alloc -> mk_const_alloc - layout - intern_layout -> mk_layout - adt_def - intern_adt_def -> mk_adt_def_from_data (unusual case, hard to avoid) - alloc_adt_def(!) -> mk_adt_def - external_constraints - intern_external_constraints -> mk_external_constraints Other - type_list - mk_type_list -> mk_type_list_from_iter - intern_type_list -> mk_type_list - tup - mk_tup -> mk_tup_from_iter - intern_tup -> mk_tup
2023-02-22Remove type-traversal trait aliasesAlan Egerton-2/+2
2023-02-15Add specialized variants of `mk_region`.Nicholas Nethercote-1/+1
Much like there are specialized variants of `mk_ty`. This will enable some optimization in the next commit. Also rename the existing `re_error*` functions as `mk_re_error*`, for consistency.
2023-02-13Make folding traits generic over the InternerAlan Egerton-1/+1
2023-02-13Alias folding/visiting traits instead of re-exportAlan Egerton-1/+1
2023-02-13Reduce direct `mk_ty` usage.Nicholas Nethercote-3/+3
We use more specific `mk_*` functions in most places, might as well use them as much as possible.
2023-02-07remove binder from query constraintslcnr-4/+2
2023-01-26Make make_identity take CanonicalVarInfosMichael Goulet-27/+25
2023-01-26Intern CanonicalVarValuesMichael Goulet-31/+31
2023-01-18remove assembly context and impl a bit morelcnr-0/+6
2023-01-17new trait solver: only consider goal changed if response is not identityMichael Goulet-0/+16
2023-01-03Simplify some canonical type alias namesMichael Goulet-3/+1
2022-12-19implement the skeleton of the updated trait solverlcnr-0/+10
2022-11-07Add an optional Span to BrAnon and use it to print better error for HRTB ↵Jack Huey-2/+4
error from generator interior
2022-11-04Refactor tcx mk_const parameters.Mateusz-4/+4
2022-10-27Revert "Make ClosureOutlivesRequirement not rely on an unresolved type"Michael Goulet-2/+4
This reverts commit a6b5f95fb028f9feb4a2957c06b35035be2c6155.
2022-10-19Make ClosureOutlivesRequirement not rely on an unresolved typeMichael Goulet-4/+2
2022-09-22Const unification is already infallible, remove the error handling logicOli Scherer-1/+1
2022-09-16Make QueryOutlivesConstraint contain a ConstraintCategoryJack Huey-2/+5
2022-09-16Revert "Better errors for implied static bound"Jack Huey-5/+2
This reverts commit c75817b0a75d4b6b01ee10900ba5d01d4915e6a8.
2022-09-15Merge all `TypeVisitable for &List<T>` impls into one generic oneOli Scherer-8/+12
2022-09-13Better errors for implied static boundJack Huey-2/+5
2022-08-01make `PlaceholderConst` not store the type of the constEllen-3/+3
2022-07-26Use real opaque type instead of just saying impl TraitMichael Goulet-4/+4
2022-07-19Use LocalDefId in OpaqueTypeKeyMichael Goulet-2/+2
2022-07-05impl TypeVisitable in type traversal macrosAlan Egerton-2/+2
2022-07-05Add #[derive(TypeVisitable)]Alan Egerton-5/+5
2022-06-14Rename the `ConstS::val` field as `kind`.Nicholas Nethercote-1/+1
And likewise for the `Const::val` method. Because its type is called `ConstKind`. Also `val` is a confusing name because `ConstKind` is an enum with seven variants, one of which is called `Value`. Also, this gives consistency with `TyS` and `PredicateS` which have `kind` fields. The commit also renames a few `Const` variables from `val` to `c`, to avoid confusion with the `ConstKind::Value` variant.
2022-05-02fix most compiler/ doctestsElliot Roberts-1/+1
2022-04-01remove unused incorrect `EqUnifyValue` impllcnr-3/+1
2022-04-01remove `unify_key::replace_if_possible`lcnr-25/+2
2022-03-30Spellchecking compiler commentsYuri Astrakhan-1/+1
This PR cleans up the rest of the spelling mistakes in the compiler comments. This PR does not change any literal or code spelling issues.
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