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49 commits

Author SHA1 Message Date
Amjad Alsharafi
da700cba08 Stabilize move_ref_pattern 2020-09-15 14:23:05 +08:00
Mazdak Farrokhzad
c858593ed0 non-exhastive diagnostic: add note re. scrutinee type 2020-03-27 06:49:07 +01:00
Mazdak Farrokhzad
289c3a5f6e
Rollup merge of #69687 - Centril:bm-inconsistent-wording, r=estebank 
resolve, inconsistent binding mode: tweak wording

Now that we can have e.g. `let Ok(x) | Err(x) = res;`, it's no longer appropriate to refer to "the same *match arm*", so let's tweak the wording.

r? @estebank
 2020-03-07 17:27:27 +01:00
Esteban Küber
125159f30a When encountering an Item in a pat context, point at the item def 2020-03-06 15:29:26 -08:00
Mazdak Farrokhzad
cc9aad452a resolve, inconsistent binding mode: tweak wording. 2020-03-04 03:58:52 +01:00
Mazdak Farrokhzad
e9f6bb7f79 check_pat_path: use pattern_cause 2020-02-25 05:41:03 +01:00
Mazdak Farrokhzad
5da3a2f354 enhance check_pat_lit with TopInfo 2020-02-25 04:10:58 +01:00
Mazdak Farrokhzad
d984f127f6 move_ref_patterns: introduce tests 
bindings_after_at: harden tests
 2020-02-02 14:13:07 +01:00
Mazdak Farrokhzad
a1eadca88f slice_patterns: remove gates in tests 2020-01-18 19:33:47 +01:00
Mazdak Farrokhzad
6a87f99620 check_legality_of_move_bindings: generalize diagnostics & add comments 2019-12-23 14:47:19 +01:00
bors
53712f8637 Auto merge of #66389 - estebank:type-err-labels, r=petrochenkov 
Specific labels when referring to "expected" and "found" types
 2019-11-21 17:53:19 +00:00
Esteban Küber
6f8f70624b Surround types with backticks in type errors 2019-11-18 11:03:04 -08:00
Esteban Küber
94c6425464 Remove E0308 note when primary label has all info 2019-11-18 11:03:03 -08:00
Esteban Küber
83ffda5216 Specific labels when referring to "expected" and "found" types 2019-11-18 11:02:22 -08:00
Guillaume Gomez
cd13335ae2 Update ui tests 2019-11-18 19:00:10 +01:00
Mazdak Farrokhzad
75da43dc87 Use new 'p @ ..' syntax in tests. 2019-07-28 06:53:39 +02:00
Matthew Jasper
8ffa408059 Update tests for changes to cannot move errors 2019-06-03 14:55:29 +01:00
Matthew Jasper
ff71b80a85 Change compare mode to use -Zborrowck=mir 2019-05-12 18:46:43 +01:00
Esteban Küber
6e723c24a8 Never stop due to errors before borrow checking 2019-04-22 13:11:53 -07:00
Matthew Jasper
8eef102270 update tests for migrate mode by default 2019-04-22 08:40:08 +01:00
Andy Russell
b6f148c8bd
hide --explain hint if error has no extended info 2019-04-18 13:29:28 -04:00
Esteban Küber
1b0ab0b8a9 Tweak spans for E0599 2019-03-23 13:05:29 -07:00
Vadim Petrochenkov
c1cfacfb13 Update NLL tests 2019-03-11 23:18:35 +03:00
Vadim Petrochenkov
fa72a81bea Update tests 2019-03-11 23:10:26 +03:00
Esteban Küber
0081ef2548 Point at enum definition when match patterns are not exhaustive 
```
error[E0004]: non-exhaustive patterns: type `X` is non-empty
 --> file.rs:9:11
  |
1 | / enum X {
2 | |     A,
  | |     - variant not covered
3 | |     B,
  | |     - variant not covered
4 | |     C,
  | |     - variant not covered
5 | | }
  | |_- `X` defined here
...
9 |       match x {
  |             ^
  |
  = help: ensure that all possible cases are being handled, possibly by adding wildcards or more match arms

error[E0004]: non-exhaustive patterns: `B` and `C` not covered
  --> file.rs:11:11
   |
1  | / enum X {
2  | |     A,
3  | |     B,
4  | |     C,
   | |     - not covered
5  | | }
   | |_- `X` defined here
...
11 |       match x {
   |             ^ patterns `C` not covered
```

When a match expression doesn't have patterns covering every variant,
point at the enum's definition span. On a best effort basis, point at the
variant(s) that are missing. This does not handle the case when the missing
pattern is due to a field's enum variants:

```
enum E1 {
    A,
    B,
    C,
}
enum E2 {
    A(E1),
    B,
}
fn foo() {
    match E2::A(E1::A) {
        E2::A(E1::B) => {}
        E2::B => {}
    }
    //~^ ERROR `E2::A(E1::A)` and `E2::A(E1::C)` not handled
}
```

Unify look between match with no arms and match with some missing patterns.

Fix #37518.
 2019-03-02 16:45:23 -08:00
Santiago Pastorino
801c3f060f
Fix erroneous loop diagnostic in nll 
This commit fixes the logic of detecting when a use happen in a later
iteration of where a borrow was defined

Fixes #53773
 2019-02-20 12:15:08 -03:00
Alexander Regueiro
58a5756f4d Fixed more tests. 2018-12-26 21:40:21 +00:00
Mark Rousskov
2a663555dd Remove licenses 2018-12-25 21:08:33 -07:00
Matthew Jasper
bc4f9b848d Clearer later use messages for calls 
Give a special message when the later use is from a call. Use the span
of the callee instead of the whole expression. For conflicting borrow
messages say that the later use is of the first borrow.
 2018-10-03 20:32:38 +01:00
Rusty Blitzerr
44b3674d8e Test fixes for the change of error message for issue #54015 2018-09-28 09:25:14 -07:00
David Wood
1863cb7372
Errors are more specific in cases where borrows are used in future iterations of loops. 2018-08-01 17:42:15 +02:00
ashtneoi
531a68cea7 Factor out suggest_ref_mut; use it in rustc_borrowck 
Also teach rustc_borrowck not to show useless help messages like
"use a mutable reference instead: `x`".
 2018-07-12 22:51:30 -07:00
csmoe
7a70140ed5 span_suggestion 2018-07-12 22:51:30 -07:00
ashtneoi
6fd1a9fff7 Don't try to suggest ref mut for implicit ref 2018-07-12 22:51:30 -07:00
Felix S. Klock II
2d4df5b53e NLL: Updates to diagnostic output in test/ui. 2018-06-19 19:38:37 +02:00
Felix S. Klock II
ea454746b3 Update the previously checkpointed (but unused by bors) tests to reflect current reality. 2018-04-18 15:37:18 +02:00
Felix S. Klock II
746d63a203 Checkpoint the current status of NLL on ui tests via compare-mode=nll. 2018-04-11 00:38:35 +02:00
Niko Matsakis
9428a3cea6 make mem-categorization use adjusted type for patterns 
Fixes #49631
 2018-04-05 18:26:23 -04:00
Taylor Cramer
3c65f53620 Stabilize match_default_bindings 
This includes a submodule update to rustfmt
in order to allow a stable feature declaration.
 2018-03-28 11:13:13 +02:00
Vadim Petrochenkov
7c90189e13 Stabilize slice patterns without .. 
Merge `feature(advanced_slice_patterns)` into `feature(slice_patterns)`
 2018-03-20 02:27:40 +03:00
Guillaume Gomez
2e104a77cf update tests 2018-03-14 00:53:24 +01:00
Vadim Petrochenkov
fa2d9fc4b9 Update UI tests 2018-02-26 20:24:02 +03:00
Guillaume Gomez
5747fd6611 Update ui tests 2018-02-25 12:15:05 +01:00
Guillaume Gomez
c8a110ed63 Add error code for unstable feature errors 2018-01-15 10:28:00 +01:00
Esteban Küber
2461b7a264 Use get_parent_node instead of using spans 2017-11-24 08:26:45 -08:00
Oliver Schneider
8937d6a6cf
Merge cfail and ui tests into ui tests 2017-11-24 11:32:35 +01:00
Esteban Küber
f796fcd623 Point to ADT definition when not finding variant, method, assoc type 2017-11-15 23:24:58 -08:00
Tamir Duberstein
9844777a50
typeck: suggest use of match_default_bindings feature 
Fixes #45383.
Updates #42640.
 2017-10-30 19:09:23 -04:00
Tobias Schottdorf
de55b4f077 implement pattern-binding-modes RFC 
See the [RFC] and [tracking issue].

[tracking issue]: https://github.com/rust-lang/rust/issues/42640
[RFC]: 491e0af/text/2005-match-ergonomics.md
 2017-10-06 16:30:23 -04:00