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*-. Merge #3966 #3968bors[bot]2020-04-151-5/+67
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 3966: Add support for bounds on associated types in trait definitions r=matklad a=flodiebold E.g. ```rust trait Trait { type Item: SomeOtherTrait; } ``` Note that these don't simply desugar to where clauses; as I understand it, where clauses have to be proved by the *user* of the trait, but these bounds are proved by the *implementor*. (Also, where clauses on associated types are unstable.) (Another one from my recursive solver branch...) 3968: Remove format from syntax_bridge hot path r=matklad a=edwin0cheng Although only around 1% speed up by running: ``` Measure-Command {start-process .\target\release\rust-analyzer "analysis-stats -q ." -NoNewWindow -wait} ``` Co-authored-by: Florian Diebold <[email protected]> Co-authored-by: Edwin Cheng <[email protected]>
| * | Add support for bounds on associated types in trait definitionsFlorian Diebold2020-04-131-5/+67
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | E.g. ``` trait Trait { type Item: SomeOtherTrait; } ``` Note that these don't simply desugar to where clauses; as I understand it, where clauses have to be proved by the *user* of the trait, but these bounds are proved by the *implementor*. (Also, where clauses on associated types are unstable.)
* | | Upgrade ChalkFlorian Diebold2020-04-131-13/+66
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* / Look up impls by self typeFlorian Diebold2020-04-111-4/+7
|/ | | | | This speeds up inference in analysis-stats by ~30% (even more with the recursive solver).
* Implement Chalk's debug methods using TLSFlorian Diebold2020-04-101-42/+39
| | | | | | | | | | Chalk now panics if we don't implement these methods and run with CHALK_DEBUG, so I thought I'd try to implement them 'properly'. Sadly, it seems impossible to do without transmuting lifetimes somewhere. The problem is that we need a `&dyn HirDatabase` to get names etc., which we can't just put into TLS. I thought I could just use `scoped-tls`, but that doesn't support references to unsized types. So I put the `&dyn` into another struct and put the reference to *that* into the TLS, but I have to transmute the lifetime to 'static for that to work.
* Fix Chalk panicFlorian Diebold2020-04-061-1/+6
| | | | | Fixes #3865. Basically I forgot to shift 'back' when we got `dyn Trait`s back from Chalk, so after going through Chalk a few times, the panic happened.
* Upgrade Chalk againFlorian Diebold2020-04-051-12/+18
| | | | | | | The big change here is counting binders, not variables (https://github.com/rust-lang/chalk/pull/360). We have to adapt to the same scheme for our `Ty::Bound`. It's mostly fine though, even makes some things more clear.
* Upgrade ChalkFlorian Diebold2020-04-051-24/+99
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* Use `dyn Trait` for working with databseAleksey Kladov2020-03-161-57/+54
| | | | | | | It improves compile time in `--release` mode quite a bit, it doesn't really slow things down and, conceptually, it seems closer to what we want the physical architecture to look like (we don't want to monomorphise EVERYTHING in a single leaf crate).
* Drop larlpop-intern depLaurențiu Nicola2020-03-031-2/+2
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* Update chalk for Ty internersLaurențiu Nicola2020-03-021-8/+11
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* Update chalk for RawId removalLaurențiu Nicola2020-03-021-13/+7
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* Rename ast::ImplBlock -> ast::ImplDefAleksey Kladov2020-02-291-4/+4
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* Bump chalk and replace TypeFamily with InternerLaurențiu Nicola2020-02-241-49/+58
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* Implement dyn Trait unsizing as wellFlorian Diebold2020-02-221-1/+3
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* More manual clippy fixesKirill Bulatov2020-02-181-2/+1
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* Run cargo +nightly fix --clippy -Z unstable-optionsKirill Bulatov2020-02-181-5/+5
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* Rename Ty::Param => Ty::PlaceholderFlorian Diebold2020-02-141-2/+2
| | | | This aligns more with Chalk.
* FormattingFlorian Diebold2020-02-071-3/+8
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* Use variables in predicates as wellFlorian Diebold2020-02-071-3/+3
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* Change Ty::Param to contain param IDFlorian Diebold2020-02-071-12/+12
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* Upgrade ChalkFlorian Diebold2020-01-271-55/+53
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* Filter out error predicates in type bounds as wellFlorian Diebold2019-12-221-2/+12
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* Introduce our own Chalk TypeFamily, instead of using ChalkIrFlorian Diebold2019-12-221-67/+89
| | | | | | It's not very different, except we can directly use Salsa IDs instead of casting them. This means we need to refactor the handling of errors to get rid of UNKNOWN_TRAIT though.
* Refactor Chalk integration some moreFlorian Diebold2019-12-221-72/+76
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* Update Chalk, clean up Chalk integration a bitFlorian Diebold2019-12-221-93/+87
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* Use generic ItemLoc for implsAleksey Kladov2019-12-201-1/+1
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* Support for nested traitsAleksey Kladov2019-12-201-2/+4
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* Rename ContainerId -> AssocContainerIdAleksey Kladov2019-12-201-3/+3
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* Move traits to the new locAleksey Kladov2019-12-121-4/+2
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* Switch to the new location for implsAleksey Kladov2019-12-121-1/+1
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* Refactor parameter count trackingAleksey Kladov2019-12-071-1/+1
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* Remove idx and parent generics from genericsAleksey Kladov2019-12-071-7/+7
| | | | | This makes `hir_def::GenericParams` flatter. The logic for re-numbering the params is moved to hir instead.
* Extract built-in trait implementations to separate moduleFlorian Diebold2019-12-031-127/+57
| | | | This untangles the builtin logic from the Chalk translation.
* Handle cycles in impl types betterFlorian Diebold2019-11-301-11/+4
| | | | | | - impl Trait<Self> for S is allowed - impl Trait for S<Self> is an invalid cycle, but we can add cycle recovery for it in Salsa now
* Memoize impl resolutionsAleksey Kladov2019-11-271-20/+14
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* Move TyAleksey Kladov2019-11-271-0/+906
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