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59 Commits

Author SHA1 Message Date
Florian Diebold
67f1a08fd8 Some remaining cleanups 2021-05-21 18:23:03 +02:00
Florian Diebold
99c73537fa Remove TypeVariableTable 2021-05-21 17:49:09 +02:00
Florian Diebold
9716c0b949 Deal with goals arising from unification 2021-05-21 17:49:09 +02:00
Florian Diebold
4bd446f5b3 Get rid of resolve_ty_as_possible 
Instead use shallow resolving where necessary.
 2021-05-21 17:49:07 +02:00
Florian Diebold
a78f0076ab Make resolve_ty_shallow return Ty 2021-05-21 17:48:34 +02:00
Florian Diebold
1250ddc5cf Rework obligation handling 
We can't do the easy hack that we did before anymore, where we kept
track of whether any inference variables changed since the last time we
rechecked obligations. Instead, we store the obligations in
canonicalized form; that way we can easily check the inference variables
to see whether they have changed since the goal was canonicalized.
 2021-05-21 17:48:34 +02:00
Florian Diebold
a3d9cac690 Fix another panic 2021-05-21 17:48:34 +02:00
Florian Diebold
7c423f5b88 Fix panic 2021-05-21 17:48:34 +02:00
Florian Diebold
8397734cfe Fix HIR expecting errors to unify with anything 2021-05-21 17:48:34 +02:00
Florian Diebold
212f0477f2 Make diverging type variables work again 
Chalk doesn't know about the `diverging` flag, so we need to instead
propagate it before fully resolving the variables.
 2021-05-21 17:48:34 +02:00
Florian Diebold
afa6be2435 Update tests with expected changes 2021-05-21 17:48:34 +02:00
Florian Diebold
3379a52dff Make type resolver a proper folder, make it resolve consts as well 2021-05-21 17:48:34 +02:00
Florian Diebold
278f5b043d Fix fallback to bound vars in unify 2021-05-21 17:48:34 +02:00
Florian Diebold
4ca1981c91 Fix warnings & format 2021-05-21 17:48:34 +02:00
Florian Diebold
693582946f Rewrite coercion using the new unification 2021-05-21 17:48:33 +02:00
Florian Diebold
84074cb185 Remove our unification code, use Chalk's instead 2021-05-21 17:48:33 +02:00
Comonad
78f1583bdd fix: closure unify without check ClosureId 
closes #8604
 2021-04-29 15:26:41 +08:00
Florian Diebold
d992736e79 Remove unused 2021-04-08 14:36:14 +02:00
Florian Diebold
a163554857 Fix Canonicalized::apply_solution 
Now that we're using Chalk's `substitute` which actually knows about
lifetimes, the hack doesn't work anymore, but we can put in a proper
lifetime.
 2021-04-08 14:23:17 +02:00
Florian Diebold
a838a60caa Fix missing match arms 2021-04-08 14:23:17 +02:00
Florian Diebold
0f058d61ce Replace remaining fold calls 2021-04-08 14:08:55 +02:00
Florian Diebold
caee3b6c2d Replace some fold calls 2021-04-08 14:08:55 +02:00
Florian Diebold
7e541e69b1 Add HasInterner bounds 2021-04-08 14:08:55 +02:00
Florian Diebold
4c35df47e8 Move equals_ctor to TyExt 
I'd prefer getting rid of it, but it's used in the impl search and not
super easy to replace there (I think ideally the impl search would do
proper unification, but that's a bit more complicated).
 2021-04-07 20:08:50 +02:00
Florian Diebold
768ee3e47a Align InferenceVar to Chalk 2021-04-06 21:10:22 +02:00
Lukas Wirth
9fbba7bc45 Add chalk_ir::Const to TyKind::Array 2021-04-06 11:45:41 +02:00
Lukas Wirth
96756f1b1d Add Lifetime to TyKind::Ref 2021-04-06 10:45:30 +02:00
Florian Diebold
edc59d897d Align FnPointer with Chalk 2021-04-05 22:23:30 +02:00
Florian Diebold
fbab69cbff Get rid of subst_bound_vars uses 2021-04-05 19:21:03 +02:00
Florian Diebold
e28f0c98ba Get rid of some walk_mut uses 2021-04-05 19:21:03 +02:00
Laurențiu Nicola
65c2e51940 Rename TyKind::Unknown to Error 2021-04-05 15:39:06 +03:00
Florian Diebold
508a1ecad3 Move things in hir_ty into submodules 
- all the types that will be replaced by Chalk go to `types`
 - `TypeWalk` impls go to `walk`
 2021-04-04 20:22:00 +02:00
Florian Diebold
584d1c9e5b Replace last uses of SubstsBuilder by TyBuilder 2021-04-04 13:16:39 +02:00
Florian Diebold
c551604b5a Rename Ty::interned to Ty::kind 
... since that's the actual method on Chalk side that matches the signature.
 2021-04-03 13:08:29 +02:00
Florian Diebold
e480d81988 Introduce GenericArg like in Chalk 
Plus some more adaptations to Substitution.

Lots of `assert_ty_ref` that we should revisit when introducing
lifetime/const parameters.
 2021-04-03 11:17:13 +02:00
Florian Diebold
0e8c4503bf Don't recheck obligations if we have learned nothing new 
This is just the most trivial check: If no inference variables have been
updated, and there are no new obligations, we can just skip trying to
solve them again. We could be smarter about it, but this already helps
quite a bit, and I don't want to touch this too much before we replace
the inference table by Chalk's.

Fixes #8263 (well, improves it quite a bit).
 2021-04-01 21:45:44 +02:00
Josh Mcguigan
957939292e completion relevance consider if types can be unified 2021-03-26 09:11:50 -07:00
Florian Diebold
c4fd3f47f5 Align InEnvironment with Chalk 
This in particular means storing a chalk_ir::Environment, not our
TraitEnvironment. This makes InEnvironment not usable for Type, where we
need to keep the full TraitEnvironment.
 2021-03-21 20:19:07 +01:00
Florian Diebold
f7be314579 Align Canonical more with Chalk's version 
In particular, use chalk_ir::CanonicalVarKinds.
 2021-03-21 20:05:38 +01:00
Florian Diebold
590c416359 Introduce QuantifiedWhereClause and DynTy analogous to Chalk 
This introduces a bunch of new binders in lots of places, which we have
to be careful about, but we had to add them at some point.
 2021-03-21 18:01:14 +01:00
Florian Diebold
7ec3b66f7a Turn Obligation into something similar to chalk_ir::DomainGoal 
This includes starting to make use of Chalk's `Cast` trait.
 2021-03-20 12:47:12 +01:00
Florian Diebold
7a5fb37cf1 Rename GenericPredicate -> WhereClause 2021-03-20 10:46:36 +01:00
Lukas Wirth
8996b1a235 Replace Projection variant in GenericPredicate with AliasEq 2021-03-19 12:12:18 +01:00
Florian Diebold
7a7e47eab7 Chalkify TraitRef 2021-03-18 21:53:19 +01:00
Florian Diebold
ce2cae45b5 Rename Substs -> Substitution 2021-03-16 17:58:17 +01:00
Florian Diebold
287e9a870c Fix unification logic 2021-03-15 19:14:10 +01:00
Florian Diebold
42217738e0 Don't use Substs for Ref/Raw/Array/Slice 2021-03-14 20:21:05 +01:00
Florian Diebold
af466f8542 Make Ty wrap TyKind in an Arc 
... like it will be in Chalk. We still keep `interned_mut` and
`into_inner` methods that will probably not exist with Chalk.

This worsens performance slightly (5ginstr inference on RA), but doesn't
include other simplifications we can do yet.
 2021-03-14 17:31:08 +01:00
Florian Diebold
3411fe3e84 Rename some fields to their Chalk names 2021-03-14 16:30:43 +01:00
Florian Diebold
6c32bbf3ca Separate Ty and TyKind like in Chalk 
Currently `Ty` just wraps `TyKind`, but this allows us to change most
places to already use `intern` / `interned`.
 2021-03-13 16:17:15 +01:00