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path: root/crates/ra_hir/src/ty.rs
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* Add type_mismatches to InferenceResult and use this in ok-wrapping code fixPhil Ellison2019-08-251-1/+1
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* Initial implementation of Ok-wrappingPhil Ellison2019-08-251-1/+1
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* Handle impl/dyn Trait in method resolutionFlorian Diebold2019-08-221-0/+13
| | | | | | | | | | | | | When we have one of these, the `Trait` doesn't need to be in scope to call its methods. So we need to consider this when looking for method candidates. (Actually I think the same is true when we have a bound `T: some::Trait`, but we don't handle that yet). At the same time, since Chalk doesn't handle these types yet, add a small hack to skip Chalk in method resolution and just consider `impl Trait: Trait` always true. This is enough to e.g. get completions for `impl Trait`, but since we don't do any unification we won't infer the return type of e.g. `impl Into<i64>::into()`.
* Add `impl Trait` and `dyn Trait` typesFlorian Diebold2019-08-221-10/+110
| | | | | | | - refactor bounds handling in the AST a bit - add HIR for bounds - add `Ty::Dyn` and `Ty::Opaque` variants and lower `dyn Trait` / `impl Trait` syntax to them
* Improve debug logging a bitFlorian Diebold2019-08-121-0/+14
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* Add representations of associated typesFlorian Diebold2019-08-121-0/+86
| | | | | | | | | | | | This adds three different representations, copied from the Chalk model: - `Ty::Projection` is an associated type projection written somewhere in the code, like `<Foo as Trait>::Bar`. - `Ty::UnselectedProjection` is similar, but we don't know the trait yet (`Foo::Bar`). - The above representations are normalized to their actual types during type inference. When that isn't possible, for example for `T::Item` inside an `fn foo<T: Iterator>`, the type is normalized to an application type with `TypeCtor::AssociatedType`.
* provide completion in struct patternsEkaterina Babshukova2019-07-211-1/+1
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* Some renamings for clarityFlorian Diebold2019-07-141-1/+1
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* Unify `normalize` and `implements` to simplify codeFlorian Diebold2019-07-081-1/+1
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* Refactor a bit & introduce Environment structFlorian Diebold2019-07-081-1/+1
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* Add trait obligations for where clauses when calling functions/methodsFlorian Diebold2019-07-061-2/+2
| | | | | E.g. if we call `foo<T: Into<u32>>(x)`, that adds an obligation that `x: Into<u32>`, etc.
* allow rustfmt to reorder importsAleksey Kladov2019-07-041-5/+8
| | | | | | This wasn't a right decision in the first place, the feature flag was broken in the last rustfmt release, and syntax highlighting of imports is more important anyway
* Simplifications / cleanup from reviewFlorian Diebold2019-06-161-0/+1
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* Somewhat handle variables in the derefed type, and add another testFlorian Diebold2019-06-151-0/+11
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* Implement autoderef using the Deref traitFlorian Diebold2019-06-151-2/+3
| | | | - add support for other lang item targets, since we need the Deref lang item
* Add basic infrastructure for assoc type projectionFlorian Diebold2019-06-151-1/+10
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* Fix clippy::or_fun_callAlan Du2019-06-041-1/+1
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* add union to code_modelAleksey Kladov2019-05-231-0/+1
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* profile type inferenceAleksey Kladov2019-05-211-1/+1
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* Add infer for generic default typeEdwin Cheng2019-05-191-1/+1
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* Handle where clauses in trait solvingFlorian Diebold2019-05-111-1/+30
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* Add a HirDisplay implementation for TraitRefFlorian Diebold2019-05-071-0/+17
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* Turn `implements` into a query againFlorian Diebold2019-05-071-1/+1
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* Differentiate Tuple / FnPtr type constructors by cardinalityFlorian Diebold2019-05-041-7/+9
| | | | | This is necessary because Chalk (reasonably) expects each 'struct' to know how many type parameters it takes.
* Simplify subst / subst_bound_vars a bitFlorian Diebold2019-05-041-12/+2
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* Canonicalize before doing method resolutionFlorian Diebold2019-05-041-0/+11
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* Implement Deref<Target=[Ty]> for SubstsFlorian Diebold2019-05-041-17/+18
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* Chalk integrationFlorian Diebold2019-05-041-1/+48
| | | | | - add proper canonicalization logic - add conversions from/to Chalk IR
* Add Ty::Bound variant for use in Chalk integrationFlorian Diebold2019-05-041-2/+7
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* Make callable signature handling a bit nicerFlorian Diebold2019-04-141-0/+22
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* More trait infrastructureFlorian Diebold2019-04-141-0/+11
| | | | | | | | | | - make it possible to get parent trait from method - add 'obligation' machinery for checking that a type implements a trait (and inferring facts about type variables from that) - handle type parameters of traits (to a certain degree) - improve the hacky implements check to cover enough cases to exercise the handling of traits with type parameters - basic canonicalization (will probably also be done by Chalk)
* Make call info to use real name resolutionAleksey Kladov2019-04-111-2/+12
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* Added ArrayExprKind,Lenard Pratt2019-04-071-1/+1
| | | | | changed the display for fixed array types, Added Array Enum to ra_hir/expr
* Added inference of array lengthLenard Pratt2019-04-071-1/+5
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* Implement a very naive implements checkFlorian Diebold2019-03-251-4/+19
| | | | ... to make the infer_trait_method_simple test have the correct result.
* Assert in apply_substs that the number of parameters doesn't changeFlorian Diebold2019-03-211-1/+6
| | | | ... and fix a small bug revealed by that.
* Rename name field to ctor as wellFlorian Diebold2019-03-211-14/+14
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* Some more doc commentsFlorian Diebold2019-03-211-2/+12
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* TypeName => TypeCtorFlorian Diebold2019-03-211-24/+24
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* Remove the old variants replaced by Ty::ApplyFlorian Diebold2019-03-211-197/+41
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* Add Ty::ApplyFlorian Diebold2019-03-211-1/+177
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* Represent FnPtr and Tuple using SubstsFlorian Diebold2019-03-211-15/+19
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* Remove FnSig from FnDef typeFlorian Diebold2019-03-161-12/+6
| | | | | It doesn't need to be in there since it's just information from the def. Another step towards aligning Ty with Chalk's representation.
* Refactor FnSig a bitFlorian Diebold2019-03-161-34/+47
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* Some more Ty displaying cleanupFlorian Diebold2019-03-161-2/+2
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* Replace Display by a pretty printing trait for TyFlorian Diebold2019-03-161-34/+60
| | | | | This allows removing the names from Adt and FnDef (and more later), as a first step towards aligning more with chalk's Ty :)
* Represent unknown types as {unknown} instead of [unknown]Florian Diebold2019-03-031-1/+1
| | | | Since the latter could actually be a real type...
* A bit of cleanup in ty.rsFlorian Diebold2019-03-021-28/+1
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* Split ty.rs into several modulesFlorian Diebold2019-02-231-1450/+18
| | | | | | | | | It was just getting too big. We now have: - ty: the `Ty` enum and helpers - ty::infer: actual type inference - ty::lower: lowering from HIR to `Ty` - ty::op: helpers for binary operations, currently
* Fix resolution of associated method calls across cratesFlorian Diebold2019-02-231-0/+9
| | | | | | I think it'll be better to make the path resolution the number of unresolved segments, not the first unresolved index; then this error could simply not have happened. But I'll do that separately.
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