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135 commits

Author SHA1 Message Date
Esteban Küber
bff0be3784 Add test case for #47287 2019-04-29 14:35:09 -07:00
Esteban Küber
f007e6f442 Identify when a stmt could have been parsed as an expr 
There are some expressions that can be parsed as a statement without
a trailing semicolon depending on the context, which can lead to
confusing errors due to the same looking code being accepted in some
places and not others. Identify these cases and suggest enclosing in
parenthesis making the parse non-ambiguous without changing the
accepted grammar.
 2019-04-29 14:07:02 -07:00
Mazdak Farrokhzad
a4ef188ab6
Rollup merge of #60160 - xldenis:fix-overlapping-zero-width-annotation, r=estebank 
Fix #58270, fix off-by-one error in error diagnostics.

This fixes #58270 by checking if two diagnostics overlap completely when we're calculating the line offset for each message.
 2019-04-25 03:05:24 +02:00
varkor
5392f44a92 Remove unnecessary tidy ignore directives 2019-04-23 11:42:15 +01:00
Xavier Denis
4a073dda93 Fix #58270, fix off-by-one error in error diagnostics. 2019-04-22 18:14:45 -05:00
Vadim Petrochenkov
aa393b0cde Some cleanup to maybe_parse_struct_expr 2019-04-19 10:32:44 -07:00
Esteban Küber
2f36b54f0f Emit specific error for struct literal in conditions 2019-04-19 10:13:44 -07:00
Andy Russell
b6f148c8bd
hide --explain hint if error has no extended info 2019-04-18 13:29:28 -04:00
Esteban Küber
9b6b3d618c review comments 2019-04-11 14:45:23 -07:00
Esteban Küber
ac037c1359 Recover from missing semicolon based on the found token 
When encountering one of a few keywords when a semicolon was
expected, suggest the semicolon and recover:

```
error: expected one of `.`, `;`, `?`, or an operator, found `let`
  --> $DIR/recover-missing-semi.rs:4:5
   |
LL |     let _: usize = ()
   |                      - help: missing semicolon here
LL |
LL |     let _ = 3;
   |     ^^^

error[E0308]: mismatched types
  --> $DIR/recover-missing-semi.rs:2:20
   |
LL |     let _: usize = ()
   |                    ^^ expected usize, found ()
   |
   = note: expected type `usize`
              found type `()`
```
 2019-04-10 18:07:52 -07:00
Mazdak Farrokhzad
d2fd3fe957
Rollup merge of #59041 - saleemjaffer:trait_doc_comment_better_error_msg, r=pnkfelix 
fixes rust-lang#56766

fixes #56766
 2019-04-01 17:29:53 +02:00
Mazdak Farrokhzad
61222b5731
Rollup merge of #59572 - davidtwco:issue-59508, r=varkor 
Include bounds in generic re-ordering diagnostic

Fixes #59508.

r? @estebank
cc @varkor
 2019-03-31 16:10:37 +02:00
David Wood
0270d565d9
Only mention const generics if enabled. 
This commit updates the generic parameter re-ordering diagnostic to only
mention const generics if the feature is enabled.
 2019-03-31 00:14:21 +01:00
Mazdak Farrokhzad
c28704c2a8
Rollup merge of #59453 - estebank:recover-tuple-parse, r=petrochenkov 
Recover from parse error in tuple syntax
 2019-03-30 07:51:36 +01:00
Esteban Küber
3592079765 revert change to test file as per review request 2019-03-29 06:41:15 -07:00
Mazdak Farrokhzad
fda206633d
Rollup merge of #59467 - hgallagher1993:local_branch, r=estebank 
Better diagnostic for binary operation on BoxedValues

Fixes #59458
 2019-03-29 12:32:26 +01:00
Esteban Küber
b7dc8e71cc fix text after rebase 2019-03-28 19:58:00 -07:00
Mazdak Farrokhzad
06a9196055
Rollup merge of #59408 - euclio:compiletest-normalization, r=oli-obk 
compiletest: make path normalization smarter

Fixes #59109.
 2019-03-28 13:35:43 +01:00
Esteban Küber
e3918cf621 Recover from parse error in tuple syntax 2019-03-28 04:47:37 -07:00
Mazdak Farrokhzad
dcd531ea15
Rollup merge of #59198 - estebank:recovered-pattern, r=zackmdavis 
Do not complain about unmentioned fields in recovered patterns

When the parser has to recover from malformed code in a pattern, do not
complain about missing fields.

Fix #59145.
 2019-03-28 08:43:32 +01:00
Josh Stone
be34621ffc
Rollup merge of #59421 - estebank:tuple-index-suffix, r=petrochenkov 
Reject integer suffix when tuple indexing

Fix #59418.

r? @varkor
 2019-03-27 18:15:35 -07:00
hgallagher1993
4d648ce1b9 Better diagnostic for binary operation on BoxedValues 2019-03-27 13:13:09 -04:00
Esteban Küber
8d1cc72cf9 Add specific message for tuple struct invoked with suffixed numeric field name 2019-03-26 12:32:32 -07:00
Esteban Küber
1bb3694b1a Reword invalid suffixe errors 2019-03-26 12:09:13 -07:00
Esteban Küber
c7ddb83980 Use expect_no_suffix for error 2019-03-26 10:18:18 -07:00
Mazdak Farrokhzad
b316514dbd
Rollup merge of #59150 - estebank:type-ascription, r=varkor 
Expand suggestions for type ascription parse errors

Fix #51222. CC #48016, #47666, #54516, #34255.
 2019-03-26 09:05:39 +01:00
Esteban Küber
6ad77b0938 review comments 2019-03-25 21:38:23 -07:00
Esteban Küber
91b7423760 Reject integer suffix when tuple indexing 2019-03-25 16:11:21 -07:00
Andy Russell
695dfe7dff
compiletest: make path normalization smarter 2019-03-25 01:06:45 -04:00
Esteban Küber
9bfb0ef818 Tweak unsupported negative trait bounds message 2019-03-23 13:05:30 -07:00
Esteban Küber
d72ef21ddd Reword type ascription note to reduce verbosity 2019-03-22 20:14:20 -07:00
Esteban Küber
44a086ef39 Review comment 2019-03-22 19:50:18 -07:00
Esteban Küber
8ba1a97e37 Expand suggestions for type ascription parse errors 2019-03-22 19:50:18 -07:00
Mazdak Farrokhzad
9d33d6fa4b
Rollup merge of #59322 - estebank:diag-tweak, r=davidtwco 
Tweak incorrect escaped char diagnostic
 2019-03-22 19:31:34 +01:00
Mazdak Farrokhzad
5a0e4510a8
Rollup merge of #59266 - estebank:struct-parse-recovery, r=petrochenkov 
Do not complain about non-existing fields after parse recovery

When failing to parse struct-like enum variants, the ADT gets recorded
as having no fields. Record that we have actually recovered during
parsing of this variant to avoid complaing about non-existing fields
when actually using it.

Fix #57361.
 2019-03-22 19:31:24 +01:00
Esteban Küber
a8120d660a Tweak incorrect escaped char diagnostic 2019-03-20 11:45:25 -07:00
Esteban Küber
6007e6f649 Do not complain about non-existing fields after parse recovery 
When failing to parse struct-like enum variants, the ADT gets recorded
as having no fields. Record that we have actually recovered during
parsing of this variant to avoid complaing about non-existing fields
when actually using it.
 2019-03-17 20:09:53 -07:00
Esteban Küber
b2b9555f95 Recover from incorrect pub kw in "reasonable" places 2019-03-16 17:47:57 -07:00
Esteban Küber
532dd4475b Recover from missing comma between enum variants 2019-03-16 17:47:00 -07:00
Vadim Petrochenkov
6ad55b3dec syntax: Introduce Ident::can_be_raw 2019-03-16 23:13:15 +03:00
Esteban Küber
6cd6759cfc Do not complain about unmentioned fields in recovered patterns 
When the parser has to recover from malformed code in a pattern, do not
complain about missing fields.
 2019-03-14 18:28:24 -07:00
Andy Russell
5abd6d9492
add suggestions to invalid macro item error 2019-03-13 15:24:36 -04:00
Saleem Jaffer
d258481625 tidy test 2019-03-13 11:53:06 +05:30
Saleem Jaffer
eaff0fe36f adding test 2019-03-13 09:58:05 +05:30
Mazdak Farrokhzad
ad7b650815
Rollup merge of #58876 - estebank:numeric-lifetime, r=petrochenkov 
Parse lifetimes that start with a number and give specific error

Fix #58786.
 2019-03-13 03:33:36 +01:00
Vadim Petrochenkov
07f99b9fec Update tests that don't run on my platform 2019-03-11 23:30:10 +03:00
Vadim Petrochenkov
fa72a81bea Update tests 2019-03-11 23:10:26 +03:00
Esteban Küber
f690821d58 review comments 2019-03-09 11:08:51 -08:00
Esteban Küber
0a505a71d3 Parse lifetimes that start with a number and give specific error 2019-03-08 16:56:31 -08:00
Esteban Küber
3818f8ba34 Add regression test for #58886 2019-03-06 18:46:11 -08:00