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path: root/crates/ra_hir/src/ty/tests.rs
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* account for impls generated by macrosAleksey Kladov2019-09-181-0/+17
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* Remove assoc type selection code for now to fix crashesFlorian Diebold2019-09-171-6/+6
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* Add test for `T::Item` cyclesFlorian Diebold2019-09-171-0/+42
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* Add test for `<T>::Item`Florian Diebold2019-09-171-10/+22
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* Resolve assoc types on type parametersFlorian Diebold2019-09-171-3/+3
| | | | | | E.g. `fn foo<T: Iterator>() -> T::Item`. It seems that rustc does this only for type parameters and only based on their bounds, so we also only consider traits from bounds.
* Adapt some testsFlorian Diebold2019-09-171-12/+12
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* Support path starting with a typeuHOOCCOOHu2019-09-151-0/+58
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* Support bare `Trait` without dynFlorian Diebold2019-09-141-10/+10
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* Infer box expressionuHOOCCOOHu2019-09-111-0/+31
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* Fix typouHOOCCOOHu2019-09-111-1/+1
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* Merge #1795bors[bot]2019-09-091-0/+58
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1795: Make macro scope a real name scope and fix some details r=matklad a=uHOOCCOOHu This PR make macro's module scope a real name scope in `PerNs`, instead of handling `Either<PerNs, MacroDef>` everywhere. In `rustc`, the macro scope behave exactly the same as type and value scope. It is valid that macros, types and values having exact the same name, and a `use` statement will import all of them. This happened to module `alloc::vec` and macro `alloc::vec!`. So `Either` is not suitable here. There is a trap that not only does `#[macro_use]` import all `#[macro_export] macro_rules`, but also imports all macros `use`d in the crate root. In other words, it just _imports all macros in the module scope of crate root_. (Visibility of `use` doesn't matter.) And it also happened to `libstd` which has `use alloc_crate::vec;` in crate root to re-export `alloc::vec`, which it both a module and a macro. The current implementation of `#[macro_use] extern crate` doesn't work here, so that is why only macros directly from `libstd` like `dbg!` work, while `vec!` from `liballoc` doesn't. This PR fixes this. Another point is that, after some tests, I figure out that _`macro_rules` does NOT define macro in current module scope at all_. It defines itself in legacy textual scope. And if `#[macro_export]` is given, it also is defined ONLY in module scope of crate root. (Then being `macro_use`d, as mentioned above) (Well, the nightly [Declarative Macro 2.0](https://github.com/rust-lang/rust/issues/39412) simply always define in current module scope only, just like normal items do. But it is not yet supported by us) After this PR, in my test, all non-builtin macros are resolved now. (Hover text for documentation is available) So it fixes #1688 . Since compiler builtin macros are marked as `#[rustc_doc_only_macro]` instead of `#[macro_export]`, we can simply tweak the condition to let it resolved, but it may cause expansion error. Some critical notes are also given in doc-comments. <img width="447" alt="Screenshot_20190909_223859" src="https://user-images.githubusercontent.com/14816024/64540366-ac1ef600-d352-11e9-804f-566ba7559206.png"> Co-authored-by: uHOOCCOOHu <[email protected]>
| * Make macro scope a real name scopeuHOOCCOOHu2019-09-091-0/+58
| | | | | | | | Fix some details about module scoping
* | modify testsNiko Matsakis2019-09-091-6/+6
|/ | | | | | | | Some method resolution tests now yield `{unknown}` where they did not before. Other tests now succeed, likely because this is helping the solver steer its efforts.
* Rename `textual_macro` -> `legacy_macro`uHOOCCOOHu2019-09-081-1/+1
| | | | Add comments
* Resolve textual scoped macros inside itemuHOOCCOOHu2019-09-081-0/+35
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* Fix crash for super trait cyclesFlorian Diebold2019-09-071-0/+21
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* Fix Chalk environmentsFlorian Diebold2019-09-071-2/+2
| | | | | The clauses need to be wrapped in `FromEnv` clauses for elaboration (i.e. things like inferring `T: Clone` from `T: Copy`) to work correctly.
* Use traits from where clauses for method resolutionFlorian Diebold2019-09-071-11/+10
| | | | | E.g. if we have `T: some::Trait`, we can call methods from that trait without it needing to be in scope.
* Lower `Fn(X, Y) -> Z` pathsFlorian Diebold2019-09-071-8/+8
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* Lower bounds on trait definition, and resolve assoc types from super traitsFlorian Diebold2019-09-071-5/+5
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* Add some more testsFlorian Diebold2019-09-071-0/+205
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* Properly format `impl Trait<Type = Foo>` typesFlorian Diebold2019-09-031-4/+4
| | | | | | It's a bit complicated because we basically have to 'undo' the desugaring, and the result is very dependent on the specifics of the desugaring and will probably produce weird results otherwise.
* Add support for associated type bindings (`where Trait<Type = X>`)Florian Diebold2019-09-031-18/+44
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* Add test for assoc type bindingsFlorian Diebold2019-09-031-0/+65
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* Correctly build BodySourceMap for macro-expanded expressionsAleksey Kladov2019-09-031-8/+25
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* fix hir for new block syntaxAleksey Kladov2019-09-021-1/+1
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* :arrow_up: instaAleksey Kladov2019-08-291-1167/+1265
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* Remove redundant testsKirill Bulatov2019-08-261-63/+5
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* Make infer_block not unify; add back calculate_least_upper_boundFlorian Diebold2019-08-261-10/+12
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* An attempt to add the coercion logic for NeverKirill Bulatov2019-08-261-0/+58
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* Properly coerce never typesKirill Bulatov2019-08-261-7/+0
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* Remove extra inference testKirill Bulatov2019-08-261-24/+0
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* Fix never in if expressionsKirill Bulatov2019-08-261-1/+41
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* Add test marksKirill Bulatov2019-08-261-1/+6
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* Fix match type inference for Never match armsKirill Bulatov2019-08-261-1/+1
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* TestsKirill Bulatov2019-08-261-0/+104
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* Improve/fix type bound loweringFlorian Diebold2019-08-221-0/+33
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* Handle impl/dyn Trait in method resolutionFlorian Diebold2019-08-221-30/+52
| | | | | | | | | | | | | 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 Diebold2019-08-221-0/+120
| | | | | | | - 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
* Don't add `?` bounds as real boundsAleksey Kladov2019-08-221-0/+29
| | | | closes #1709
* implement initial type inference for index expressionsAleksey Kladov2019-08-171-0/+14
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* Handle placeholder assoc types when Chalk produces themFlorian Diebold2019-08-121-0/+49
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* Normalize assoc types in more placesFlorian Diebold2019-08-121-6/+6
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* Lower fully qualified associated type pathsFlorian Diebold2019-08-121-7/+7
| | | | I.e. `<T as Trait>::Foo`.
* Add another test for assoc type resolutionFlorian Diebold2019-08-121-6/+46
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* implement while let desugaringAleksey Kladov2019-08-071-0/+20
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* Move assist test, add literal type inference testPhil Ellison2019-07-291-11/+15
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* streamline APIAleksey Kladov2019-07-211-4/+2
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* Merge #1562bors[bot]2019-07-201-0/+35
|\ | | | | | | | | | | | | | | | | 1562: Continue support for .await r=matklad a=unrealhoang - add await expr to ast and HIR Expr - infer type for `.await` Co-authored-by: Unreal Hoang <[email protected]>
| * infer type for awaitUnreal Hoang2019-07-201-0/+35
| | | | | | | | by projecting inner_ty to Future::Output alias
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