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133 commits

Author SHA1 Message Date
Lukas Wirth
36a5ce9790 minor: fix some clippy lints 2021-09-03 16:00:50 +02:00
Florian Diebold
424dda8113 Refactor & improve handling of overloaded binary operators 
Fixes #9971. Also records them as method resolutions, which we could use
later.
 2021-08-22 17:35:50 +02:00
bors[bot]
9e3517f8f3
Merge #9975 
9975: minor: Fix panic caused by #9966 r=flodiebold a=flodiebold

Chalk can introduce new type variables when doing lazy normalization, so we have to do the proper 'fudging' after all.

Co-authored-by: Florian Diebold <flodiebold@gmail.com>
 2021-08-21 18:07:36 +00:00
Florian Diebold
df77e2448c Fix panic caused by #9966 
Chalk can introduce new type variables when doing lazy normalization, so
we have to do the proper 'fudging' after all.
 2021-08-21 20:07:07 +02:00
Laurențiu Nicola
104d6124d7 Handle coercion on binary operator RHS 2021-08-21 17:54:45 +03:00
Florian Diebold
1791a35f9f Determine expected parameters from expected return in calls 
Fixes #9560
 2021-08-21 14:33:31 +02:00
Jonas Schievink
4757679b9a feat: type inference for if-let guards 2021-08-14 00:09:30 +02:00
Jonas Schievink
d568e7686a Support if let match guards 2021-08-13 00:25:14 +02:00
Jonas Schievink
b596c32a41 Resolve tuple variants in value namespace 2021-07-22 13:40:18 +02:00
Florian Diebold
7c00ca2f51 Revert "Merge #9655" 
This reverts commit 8c8c6fb73d, reversing
changes made to ec7b4cbf8f.
 2021-07-20 22:53:39 +02:00
Florian Diebold
ae22050a42 Determine expected parameters from expected return in calls 
Fixes #9560
 2021-07-18 20:56:44 +02:00
Lukas Wirth
69e6511820 Record autoderef adjustments 2021-07-10 12:26:18 +02:00
Lukas Wirth
9272942b92 Use CoerceMany in BreakableContext 2021-07-09 15:51:07 +02:00
Lukas Wirth
64a1b26b8d Implement CoerceMany 2021-07-08 14:16:23 +02:00
Lukas Wirth
9779526d8f Record coercion adjustments 2021-07-08 13:07:24 +02:00
Laurențiu Nicola
3b2602cbb2 Don't unify array elements with their arrays 2021-07-08 12:55:00 +03:00
Jonas Schievink
cb63b021ff Implement LUB coercion of array elements 2021-07-07 22:50:20 +02:00
Jonas Schievink
88a86d4ff9 Fix deduction of dyn Fn closure parameter types 2021-06-30 15:04:04 +02:00
Laurențiu Nicola
e3ce88f6f2 Minor clippy perf fixes 2021-06-18 14:40:51 +03:00
Lukas Wirth
95c8c65139 Nest all the or-patterns! 2021-06-17 17:37:14 +02:00
Maan2003
5ac6804bb3
cargo fmt 2021-06-13 09:48:15 +05:30
Maan2003
c9b4ac5be4
clippy::redudant_borrow 2021-06-13 09:24:16 +05:30
Florian Diebold
20487a1b4a Fix coercion in match with expected type 
Plus add infrastructure to test type mismatches without expect.
 2021-06-12 23:04:43 +02:00
cynecx
759cb07891 hir_ty: use correct receiver_ty in method resolution 2021-05-31 20:26:38 +02:00
Jonas Schievink
33debc4065 Update salsa 2021-05-27 15:05:41 +02:00
bors[bot]
f3aaae6555
Merge #9007 
9007: Internal: `clippy::redundant_clone` fixes r=lnicola a=lnicola

bors r+

Co-authored-by: Laurențiu Nicola <lnicola@dend.ro>
 2021-05-26 15:36:14 +00:00
Laurențiu Nicola
8206939fed clippy::redundant_clone fixes 2021-05-26 18:34:50 +03:00
Florian Diebold
b26a472ccb Fix type mismatch caused by macros 
MacroStmts should be completely transparent, but it prevented
coercion. (I should maybe give `infer_expr` and `infer_expr_inner`
better names.)
 2021-05-25 11:15:02 +02:00
Florian Diebold
4a6cdd776d Record method call substs and use them in call info 2021-05-23 18:24:21 +02:00
Florian Diebold
6e5637983c Record type mismatches for failed coercions in match etc. 2021-05-21 18:23:03 +02:00
Florian Diebold
556c9cebdb Refactor expectation handling 
So as to not use `TyKind::Error` as "no expectation".
 2021-05-21 18:23:03 +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
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
b939a6dcac Fix if/else coercion 2021-05-21 17:48:34 +02:00
Florian Diebold
84074cb185 Remove our unification code, use Chalk's instead 2021-05-21 17:48:33 +02:00
Dawer
472317c008 internal: Record mismatches of pattern types. 2021-05-19 11:08:59 +05:00
Jade
de0ed9860d Address final feedback 
* rename ConstExtension->ConstExt
* refactor a manual construction of a Const
 2021-05-15 18:51:18 -07:00
Jade
78d6b88f21 Add more tests, refactor array lengths/consteval work 
Fix #2922: add unknown length as a condition for a type having unknown.

Incorporate reviews:

* Extract some of the const evaluation workings into functions
* Add fixmes on the hacks
* Add tests for impls on specific array lengths (these work!!! 😁)
* Add tests for const generics (indeed we don't support it yet)
 2021-05-14 01:39:28 -07:00
Jade
e666589e63 Add support for lengths in array repeats, if they are literals 
Now we will get the type of `[0u8; 4]`.
 2021-05-12 21:22:46 -07:00
Jade
73023c0299 Support length for ByteStrings 
I am not confident that my added byte string parsing is right.
 2021-05-12 21:22:46 -07:00
Jade
8b147624ff Add lowering of array lengths in types 
Now e.g.

```rust
fn a(b: [u8; 2]) {
}
```

will know about the length of b.
 2021-05-12 21:22:46 -07:00
bors[bot]
312f1fe20a
Merge #8799 
8799: Add basic support for array lengths in types r=flodiebold a=lf-

This recognizes `let a = [1u8, 2, 3]` as having type `[u8; 3]` instead
of the previous `[u8; _]`. Byte strings and `[0u8; 2]` kinds of range
array declarations are unsupported as before.

I don't know why a bunch of our rustc tests had single quotes inside
strings un-escaped by `UPDATE_EXPECT=1 cargo t`, but I don't think it's
bad? Maybe something in a nightly?

Co-authored-by: Jade <software@lfcode.ca>
 2021-05-12 14:49:43 +00:00
Jade
f28c053c67 address review by @eddyb 2021-05-11 15:18:45 -07:00
Jade
dc63fea427 Add basic support for array lengths in types 
This recognizes `let a = [1u8, 2, 3]` as having type `[u8; 3]` instead
of the previous `[u8; _]`. Byte strings and `[0u8; 2]` kinds of range
array declarations are unsupported as before.

I don't know why a bunch of our rustc tests had single quotes inside
strings un-escaped by `UPDATE_EXPECT=1 cargo t`, but I don't think it's
bad? Maybe something in a nightly?
 2021-05-11 05:25:19 -07:00
Daniel McNab
ebbcf9f458 Fix inference with conditionally compiled tails 
Fixes #8378
 2021-05-03 14:13:05 +01:00
Florian Diebold
5ca481bbdc Move ToChalk -> mapping 2021-04-09 14:15:26 +02:00
Florian Diebold
743faa21e7 Reorganize hir_ty modules 
Chalk isn't really a 'traits' thing anymore, so it doesn't make sense to
have all the Chalk-related stuff in submodules of `traits`.
 2021-04-09 14:11:37 +02:00
Florian Diebold
37ff15ad83 Cleanup 2021-04-08 22:49:10 +02:00
Florian Diebold
be03db0e3a Intern Substitutions 
(Costs a bit of performance, reduces memory usage on RA by ~10%.)
 2021-04-08 22:48:47 +02:00
Florian Diebold
d992736e79 Remove unused 2021-04-08 14:36:14 +02:00