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Author SHA1 Message Date
Matthias Krüger
519a842c50
Rollup merge of #91313 - petrochenkov:cratexp, r=Aaron1011 
expand: Turn `ast::Crate` into a first class expansion target

And stop creating a fake `mod` item for the crate root when expanding a crate, thus addressing FIXMEs left in https://github.com/rust-lang/rust/pull/82238, and making a step towards a proper support for crate-level macro attributes (cc #54726).

I haven't added token collection support for the whole crate in this PR, maybe later.
r? `@Aaron1011`
 2021-12-01 20:57:43 +01:00
Esteban Kuber
c02710530c review comments: clean up 2021-11-29 18:39:08 +00:00
Fabian Wolff
b9b4f549a4 Add a suggestion if macro_rules is misspelled 2021-11-28 23:10:37 +01:00
Vadim Petrochenkov
141c6cc78e expand: Turn ast::Crate into a first class expansion target 
And stop creating a fake `mod` item for the crate root when expanding a crate.
 2021-11-28 15:48:55 +08:00
David Tolnay
87a7defa8e
Reject generic arguments on mod style interpolated path 2021-11-25 15:05:07 -08:00
David Tolnay
0cbb00f898
Let qpath contain NtTy: <$:ty as $:ty>::rest 2021-11-25 15:03:59 -08:00
Esteban Küber
d6e34ad108 When recovering from a : in a pattern, use adequate AST pattern 2021-11-25 18:40:29 +00:00
bors
23a436606b Auto merge of #88781 - estebank:emoji-idents, r=oli-obk 
Tokenize emoji as if they were valid identifiers

In the lexer, consider emojis to be valid identifiers and reject
them later to avoid knock down parse errors.

Partially address #86102.
 2021-11-25 08:16:08 +00:00
bors
c6eda7d8a7 Auto merge of #85346 - estebank:issue-84946, r=nagisa,varkor 
Account for incorrect `impl Foo<const N: ty> {}` syntax

Fix #84946
 2021-11-25 05:09:51 +00:00
Esteban Kuber
505b09e326 Tweak span and add more tests 2021-11-24 22:04:52 +00:00
Esteban Küber
7190bc3097 Account for incorrect impl Foo<const N: ty> {} syntax 
Fix #84946
 2021-11-24 20:02:09 +00:00
bors
de4b242e1e Auto merge of #91149 - notriddle:notriddle/rustdoc-doctest-semicolon, r=jyn514 
fix(doctest): detect extern crate items in statement doctests

This partially reverts #91026, because rustdoc needs to detect the extern statements, even when they appear inside implicit `main()`. It does not entirely revert it, so the old bug is still fixed, by duplicating some of the logic from `parse_mod` instead of trying to use it directly.

Fixes #91134
 2021-11-23 23:48:55 +00:00
Esteban Kuber
d68add9ecc review comment: plural of emoji is emoji 2021-11-23 20:36:19 +00:00
Esteban Kuber
21224e6ee0 Account for confusable codepoints when recovering emoji identifiers 2021-11-23 20:36:19 +00:00
Esteban Kuber
5a68abb094 Tokenize emoji as if they were valid indentifiers 
In the lexer, consider emojis to be valid identifiers and reject
them later to avoid knock down parse errors.
 2021-11-23 20:35:07 +00:00
Michael Howell
bff1645bdb fix(doctest): detect extern crate items in statement doctests 
This partially reverts #91026, because rustdoc needs to detect the extern statements,
even when they appear inside implicit `main()`. It does not entirely revert it,
so the old bug is still fixed, by duplicating some of the logic from `parse_mod`
instead of trying to use it directly.

Fixes #91134
 2021-11-22 19:47:58 -07:00
Gary Guo
6d61d87b22 Split inline const to two feature gates 2021-11-22 22:17:03 +00:00
Matthias Krüger
3d4f3ee71d
Rollup merge of #90994 - Badel2:issue-90993, r=estebank 
Fix ICE `#90993`: add missing call to cancel

Fix #90993
 2021-11-20 22:33:49 +01:00
threadexception
5f6059d9a2 Fix float ICE 
Co-authored-by: Esteban Kuber <estebank@users.noreply.github.com>
 2021-11-20 16:41:36 +01:00
Badel2
77a105c91f Fix ICE #90993: add missing call to cancel 2021-11-20 14:32:25 +01:00
5225225
09e59c2875 Inline printable function 2021-11-16 08:06:31 +00:00
5225225
52199c93bb Suggest removing the non-printing characters 2021-11-16 08:06:30 +00:00
5225225
de05d3ec31 Print full char literal on error if any are non-printing 2021-11-16 08:06:30 +00:00
Vadim Petrochenkov
6655727041 rustc_feature: Convert BuiltinAttribute from tuple to a struct 2021-11-12 20:15:14 +08:00
Vadim Petrochenkov
2834f57c45 ast: Fix naming conventions in AST structures 
TraitKind -> Trait
TyAliasKind -> TyAlias
ImplKind -> Impl
FnKind -> Fn

All `*Kind`s in AST are supposed to be enums.

Tuple structs are converted to braced structs for the types above, and fields are reordered in syntactic order.

Also, mutable AST visitor now correctly visit spans in defaultness, unsafety, impl polarity and constness.
 2021-11-07 21:38:17 +08:00
Hans Kratz
e339e4789f Remove now unused feature from rustc_parse 2021-11-04 23:40:59 +01:00
Hans Kratz
7885233df0 Optimize literal, doc comment lint as well, extract function. 2021-11-04 23:31:42 +01:00
Hans Kratz
a5b25a2cfa Create subslice as that leads to a smaller code size. 2021-11-04 17:03:13 +01:00
Hans Kratz
2d9f0e2c50 Optimize bidi character detection. 2021-11-04 12:01:26 +01:00
Pietro Albini
cdd3b8624f
fix formatting 2021-11-01 10:39:43 +01:00
Esteban Küber
c0b134582a
Lint against RTL unicode codepoints in literals and comments 
Address CVE-2021-42574.
 2021-10-31 13:14:04 +01:00
Yuki Okushi
8738d5d611
Rollup merge of #89257 - aDotInTheVoid:macro-error-2, r=estebank 
Give better error for `macro_rules name`

follow up to #89221

r? ``@estebank``

``@rustbot`` modify labels: +A-diagnostics +A-parser
 2021-10-22 19:42:43 +09:00
Hirochika Matsumoto
a72dd4a5b9 Explain why Self is invalid in generic parameters 2021-10-19 23:00:18 +09:00
Matthias Krüger
2fd765c1d9
Rollup merge of #89990 - petrochenkov:idempty, r=wesleywiser 
rustc_span: `Ident::invalid` -> `Ident::empty`

The equivalent for `Symbol`s was renamed some time ago (`kw::Invalid` -> `kw::Empty`), and it makes sense to do the same thing for `Ident`s as well.
 2021-10-18 08:13:30 +02:00
Matthias Krüger
5898c5d88e
Rollup merge of #89974 - est31:let_else_if_error, r=nagisa 
Nicer error message if the user attempts to do let...else if

Gives a nice "conditional `else if` is not supported for `let...else`" error when encountering a `let...else if` pattern, as suggested in the [let...else tracking issue](https://github.com/rust-lang/rust/issues/87335#issuecomment-944846205).
 2021-10-18 08:13:27 +02:00
est31
856541963c Nicer error message if the user attempts to do let...else if 2021-10-17 22:56:29 +02:00
Vadim Petrochenkov
a6808335d4 rustc_span: Ident::invalid -> Ident::empty 
The equivalent for `Symbol`s was renamed some time ago (`kw::Invalid` -> `kw::Empty`), and it makes sense to do the same thing for `Ident`s.
 2021-10-17 23:20:30 +03:00
r00ster91
3c1d55422a Some "parenthesis" and "parentheses" fixes 2021-10-17 12:04:01 +02:00
Matthias Krüger
ff6601e0fc some clippy::perf fixes 2021-10-07 22:31:33 +02:00
Fabian Wolff
079c075f24 Use TokenKind::similar_tokens() 2021-10-04 22:13:00 +02:00
Fabian Wolff
cf19131cb3 Try to recover from a => -> = or -> typo in a match arm 2021-10-03 14:14:35 +02:00
Nixon Enraght-Moony
729ff2d006 Give better error for macro_rules name 2021-10-01 22:47:39 +01:00
Manish Goregaokar
1708219940
Rollup merge of #89029 - notriddle:notriddle/issue-89013, r=estebank 
feat(rustc_parse): recover from pre-RFC-2000 const generics syntax

Fixes #89013
 2021-10-01 09:18:17 -07:00
Michael Howell
befdfb5c71 Improve error messages for bad type constraints 
Co-authored-by: Esteban Kuber <esteban@kuber.com.ar>
 2021-09-28 13:02:45 -07:00
Eric Huss
75f058dbfd Check for macros in built-in attributes that don't support them. 2021-09-25 09:03:15 -07:00
Eric Huss
5f8c571e50 Move malformed attribute code to a function and fix inner attribute suggestion. 
Moving to a dedicated function in preparation for other validation.

The suggestion given didn't consider if it was an inner attribute.
 2021-09-25 08:11:10 -07:00
Jubilee
6f31fa58fd
Rollup merge of #89221 - aDotInTheVoid:macro-error-1, r=estebank 
Give better error for `macro_rules! name!`

r? ``@estebank``

``@rustbot`` modify labels: +A-diagnostics +A-parser
 2021-09-24 11:40:17 -07:00
Nixon Enraght-Moony
ed3b751799 Give better error for macro_rules! name! 2021-09-24 16:21:34 +01:00
bors
a0648eab36 Auto merge of #88835 - FabianWolff:issue-88770, r=petrochenkov 
Fix error recovery in format macro parsing

Fixes #88770. Basically, the assumption in the following comment is incorrect:
b69fe57261/compiler/rustc_builtin_macros/src/format.rs (L167-L172)

This is only true in the first iteration of the loop, when [`p.clear_expected_tokens()`](b69fe57261/compiler/rustc_builtin_macros/src/format.rs (L164)) is called. In subsequent iterations, `p.expected_tokens` won't be empty, so `p.expect()` won't actually call `unexpected_try_recover()`:
b69fe57261/compiler/rustc_parse/src/parser/mod.rs (L487-L498)

Instead, it will call `expect_one_of()`, which _can_ recover and return `Ok()`. This PR handles this case to fix the ICE in #88770.
 2021-09-24 11:54:29 +00:00
Jubilee
5da2f460b3
Rollup merge of #89023 - Wardenfar:issue-85066, r=nagisa 
Resolve issue : Somewhat confusing error with extended_key_value_attributes

Fixes #85066
 2021-09-23 17:31:42 -07:00