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2022-01-14Parse `Ty?` as `Option<Ty>` and provide structured suggestionEsteban Kuber-3/+57
Swift has specific syntax that desugars to `Option<T>` similar to our `?` operator, which means that people might try to use it in Rust. Parse it and gracefully recover.
2022-01-09eplace usages of vec![].into_iter with [].into_iterLucas Kent-2/+2
2022-01-05ast: Always keep a `NodeId` in `ast::Crate`Vadim Petrochenkov-1/+1
This makes it more uniform with other expanded nodes
2021-12-28Parse and suggest moving where clauses after equals for type aliasesJack Huey-0/+53
2021-12-19Auto merge of #91957 - nnethercote:rm-SymbolStr, r=oli-obkbors-4/+6
Remove `SymbolStr` This was originally proposed in https://github.com/rust-lang/rust/pull/74554#discussion_r466203544. As well as removing the icky `SymbolStr` type, it allows the removal of a lot of `&` and `*` occurrences. Best reviewed one commit at a time. r? `@oli-obk`
2021-12-18Rollup merge of #87901 - poliorcetics:pub-pub-pub, r=jackh726Matthias Krüger-30/+90
Fix suggestion of additional `pub` when using `pub pub fn ...` Fix #87694. Marked as draft to start with because I want to explore doing the same fix for `const const fn` and other repeated-but-valid keywords. `@rustbot` label A-diagnostics D-invalid-suggestion T-compiler
2021-12-15Auto merge of #91962 - matthiaskrgr:rollup-2g082jw, r=matthiaskrgrbors-1/+1
Rollup of 7 pull requests Successful merges: - #91880 (fix clippy::single_char_pattern perf findings) - #91885 (Remove `in_band_lifetimes` from `rustc_codegen_ssa`) - #91898 (Make `TyS::is_suggestable` check for non-suggestable types structually) - #91915 (Add another regression test for unnormalized fn args with Self) - #91916 (Fix a bunch of typos) - #91918 (Constify `bool::then{,_some}`) - #91920 (Use `tcx.def_path_hash` in `ExistentialPredicate.stable_cmp`) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
2021-12-15Rollup merge of #91880 - matthiaskrgr:clippy_perf_dec, r=jyn514Matthias Krüger-1/+1
fix clippy::single_char_pattern perf findings
2021-12-15Remove unnecessary sigils around `Symbol::as_str()` calls.Nicholas Nethercote-2/+2
2021-12-14Stabilize `destructuring_assignment`Jacob Pratt-2/+0
2021-12-15Remove `SymbolStr`.Nicholas Nethercote-2/+4
By changing `as_str()` to take `&self` instead of `self`, we can just return `&str`. We're still lying about lifetimes, but it's a smaller lie than before, where `SymbolStr` contained a (fake) `&'static str`!
2021-12-14Rollup merge of #91597 - r00ster91:lessthangreaterthan, r=oli-obkMatthias Krüger-1/+33
Recover on invalid operators `<>` and `<=>` Thanks to #89871 for showing me how to do this. Next, I think it'd be nice to recover on `<=>` too, like #89871 intended, if this even works.
2021-12-14Recover on invalid operators <> and <=>r00ster91-1/+33
2021-12-14fix clippy::single_char_pattern perf findingsMatthias Krüger-1/+1
2021-12-13Use Inherited Visibility instead of None when no vis is presentAlexis Bourget-14/+20
2021-12-13Update test to new error messageAlexis Bourget-1/+1
2021-12-13Suggest remove on const async const instead of const const asyncAlexis Bourget-16/+45
2021-12-13Fix broken span and related testsAlexis Bourget-1/+1
2021-12-13Change error for pub in fn decl if already presentAlexis Bourget-14/+39
2021-12-12Auto merge of #90207 - BoxyUwU:stabilise_cg_defaults, r=lcnrbors-14/+3
Stabilise `feature(const_generics_defaults)` `feature(const_generics_defaults)` is complete implementation wise and has a pretty extensive test suite so I think is ready for stabilisation. needs stabilisation report and maybe an RFC :sweat_smile: r? `@lcnr` cc `@rust-lang/project-const-generics`
2021-12-10Rollup merge of #91625 - est31:remove_indexes, r=oli-obkMatthias Krüger-3/+3
Remove redundant [..]s
2021-12-10remove feature gate and cleanup codeEllen-14/+3
2021-12-09Rollup merge of #91634 - terrarier2111:fix-recover-from-variant-ice, r=nagisaMatthias Krüger-20/+27
Do not attempt to suggest help for overly malformed struct/function call This fixes: https://github.com/rust-lang/rust/issues/91461
2021-12-09Remove redundant [..]sest31-3/+3
2021-12-08Rollup merge of #91337 - FabianWolff:issue-91227-misspelled-macro, r=nagisaMatthias Krüger-4/+25
Add a suggestion if `macro_rules` is misspelled Fixes #91227.
2021-12-08Do not attempt to suggest help for overly malformed struct/function callthreadexception-20/+27
2021-12-08Rollup merge of #91531 - notriddle:notriddle/issue-87647-expected-semicolon, ↵Matthias Krüger-29/+113
r=estebank Do not add `;` to expected tokens list when it's wrong There's a few spots where semicolons are checked for to do error recovery, and should not be suggested (or checked for other stuff). Fixes #87647
2021-12-06Expect extern fn with no body when parsingMichael Howell-1/+1
Also add a test case for inserting a semicolon on extern fns. Without this fix, we got an error like this: error: expected one of `->`, `where`, or `{`, found `}` --> chk.rs:3:1 | 2 | fn foo() | --- - expected one of `->`, `where`, or `{` | | | while parsing this `fn` 3 | } | ^ unexpected token Since this is inside an extern block, you're required to write function prototypes with no body. This fixes a regression, and adds a test case for it.
2021-12-06Add better comments for FnParseModeMichael Howell-2/+49
2021-12-05Rollup merge of #90022 - hkmatsumoto:self-upper-as-generic-parameter, r=jackh726Matthias Krüger-0/+13
Explain why `Self` is invalid in generic parameters Close #89985. r? `@estebank`
2021-12-04Do not add `;` to expected tokens list when it's wrongMichael Howell-29/+66
There's a few spots where semicolons are checked for to do error recovery, and should not be suggested (or checked for other stuff). Fixes #87647
2021-12-02Rollup merge of #91435 - FabianWolff:issue-91421-if-then, r=lcnrMatthias Krüger-10/+41
Improve diagnostic for missing half of binary operator in `if` condition Fixes #91421. I've also changed it so that it doesn't consume the `else` token in the error case, because it will try to consume it again afterwards, leading to this incorrect error message (where the `else` reported as missing is actually there): ``` error: expected one of `.`, `;`, `?`, `else`, or an operator, found `{` --> src/main.rs:4:12 | 4 | } else { 4 }; | ^ expected one of `.`, `;`, `?`, `else`, or an operator ``` r? `@lcnr`
2021-12-01Improve diagnostic for missing half of binary operator in `if` conditionFabian Wolff-10/+41
2021-12-01Rollup merge of #91313 - petrochenkov:cratexp, r=Aaron1011Matthias Krüger-1/+7
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`
2021-11-29review comments: clean upEsteban Kuber-173/+185
2021-11-28Add a suggestion if `macro_rules` is misspelledFabian Wolff-4/+25
2021-11-28expand: Turn `ast::Crate` into a first class expansion targetVadim Petrochenkov-1/+7
And stop creating a fake `mod` item for the crate root when expanding a crate.
2021-11-27Improve `unsafe` diagnosticthreadexception-3/+25
2021-11-25Reject generic arguments on mod style interpolated pathDavid Tolnay-10/+24
2021-11-25Let qpath contain NtTy: <$:ty as $:ty>::restDavid Tolnay-0/+10
2021-11-25When recovering from a `:` in a pattern, use adequate AST patternEsteban Küber-16/+87
2021-11-25Auto merge of #88781 - estebank:emoji-idents, r=oli-obkbors-2/+19
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.
2021-11-25Auto merge of #85346 - estebank:issue-84946, r=nagisa,varkorbors-54/+160
Account for incorrect `impl Foo<const N: ty> {}` syntax Fix #84946
2021-11-24Tweak span and add more testsEsteban Kuber-5/+2
2021-11-24Account for incorrect `impl Foo<const N: ty> {}` syntaxEsteban Küber-54/+163
Fix #84946
2021-11-23Auto merge of #91149 - notriddle:notriddle/rustdoc-doctest-semicolon, r=jyn514bors-1/+1
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
2021-11-23review comment: plural of emoji is emojiEsteban Kuber-1/+1
2021-11-23Account for confusable codepoints when recovering emoji identifiersEsteban Kuber-3/+14
2021-11-23Tokenize emoji as if they were valid indentifiersEsteban Kuber-0/+6
In the lexer, consider emojis to be valid identifiers and reject them later to avoid knock down parse errors.
2021-11-22fix(doctest): detect extern crate items in statement doctestsMichael Howell-1/+1
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
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