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2022-04-27tut tut tutEllen-3/+1
2022-04-16Rollup merge of #95859 - rainy-me:unterminated-nested-block-comment, ↵Dylan DPC-10/+50
r=petrochenkov Improve diagnostics for unterminated nested block comment close #95283 (This is my first time try to messing around with rust compiler and might get a lot of things wrong... :bow: )
2022-04-14refactor: change to use peekablerainy-me-20/+17
2022-04-13couple of clippy::complexity fixesMatthias Krüger-3/+3
2022-04-14improve diagnostics for unterminated nested block commentrainy-me-10/+53
2022-03-31Rollup merge of #95251 - GrishaVar:hashes-u16-to-u8, r=dtolnayDylan DPC-3/+1
Reduce max hash in raw strings from u16 to u8 [Relevant discussion](https://rust-lang.zulipchat.com/#narrow/stream/237824-t-lang.2Fdoc/topic/Max.20raw.20string.20delimiters)
2022-03-30Update error message & remove outdated test commentGrisha Vartanyan-3/+1
2022-03-27Make fatal DiagnosticBuilder yield neverMichael Goulet-12/+19
2022-03-16rustc_error: make ErrorReported impossible to constructmark-1/+1
There are a few places were we have to construct it, though, and a few places that are more invasive to change. To do this, we create a constructor with a long obvious name.
2022-03-02rename ErrorReported -> ErrorGuaranteedmark-2/+2
2022-02-284 - Make more use of `let_chains`Caio-8/+7
Continuation of #94376. cc #53667
2022-02-23rustc_errors: let `DiagnosticBuilder::emit` return a "guarantee of emission".Eduard-Mihai Burtescu-14/+18
2022-02-23Replace `&mut DiagnosticBuilder`, in signatures, with `&mut Diagnostic`.Eduard-Mihai Burtescu-2/+2
2022-02-19Adopt let else in more placesest31-10/+6
2022-02-17Rollup merge of #94011 - est31:let_else, r=lcnrMatthias Krüger-6/+2
Even more let_else adoptions Continuation of #89933, #91018, #91481, #93046, #93590.
2022-02-16Adopt let_else in even more placesest31-6/+2
2022-02-14suggest using raw string literals when invalid escapes appearErin Petra Sofiya Moon-0/+9
i'd guess about 70% of "bad escape" cases occur when someone meant to use a raw string literal because they're passing it directly to Regex::new(). this emits an advisory (Applicability::MaybeIncorrect) help: suggestion to the user that they use an r"" string, on top of the normal notes about looking at the string literal documentation/spec.
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.
2021-11-16Inline printable function5225225-5/+7
2021-11-16Suggest removing the non-printing characters5225225-1/+16
2021-11-16Print full char literal on error if any are non-printing5225225-0/+10
2021-11-04Optimize literal, doc comment lint as well, extract function.Hans Kratz-39/+2
2021-11-04Create subslice as that leads to a smaller code size.Hans Kratz-3/+4
2021-11-04Optimize bidi character detection.Hans Kratz-6/+39
2021-11-01fix formattingPietro Albini-1/+1
2021-10-31Lint against RTL unicode codepoints in literals and commentsEsteban Küber-8/+52
Address CVE-2021-42574.
2021-09-10Improve diagnostics if a character literal contains combining marksFabian Wolff-14/+47
2021-08-11Warn when an escaped newline skips multiple linesAnton Golov-0/+5
2021-08-02Rollup merge of #87659 - FabianWolff:issue-87397, r=davidtwcoCameron Steffen-8/+29
Fix invalid suggestions for non-ASCII characters in byte constants Fixes #87397.
2021-07-31Auto merge of #87662 - FabianWolff:rb-string, r=estebankbors-3/+11
Suggest `br` if the unknown string prefix `rb` is found Currently, for the following code: ```rust fn main() { rb"abc"; } ``` we issue the following suggestion: ``` help: consider inserting whitespace here | 2 | rb "abc"; | -- ``` With my changes (only in edition 2021, where unknown prefixes became an error), I get: ``` help: use `br` for a raw byte string | 2 | br"abc"; | ^^ ```
2021-07-31Suggest `br` if the unknown string prefix `rb` is foundFabian Wolff-3/+11
2021-07-31Fix invalid suggestions for non-ASCII characters in byte constantsFabian Wolff-8/+29
2021-07-30Add warning when whitespace is not skipped after an escaped newline.Anton Golov-0/+6
2021-07-06rename rust_2021_token_prefixes to rust_2021_prefixes_incompatible_syntaxRyan Levick-2/+2
2021-07-06rust_2021_token_prefixesRyan Levick-2/+2
2021-07-06Rename reserved_prefix lint to reserved_prefixesRyan Levick-2/+2
2021-06-26No reserved_prefix suggestion in proc macro call_site.Mara Bos-11/+13
2021-06-26Rename 'bad prefix' to 'unknown prefix'.Mara Bos-5/+5
2021-06-26Check the span's edition for the reserved prefixes.Mara Bos-15/+16
2021-06-26Improve comments for reserved prefixes.Mara Bos-1/+4
Co-authored-by: Niko Matsakis <niko@alum.mit.edu>
2021-06-26Add migration lint for reserved prefixes.Mara Bos-7/+16
2021-06-26Fix note in reserved prefix error.Mara Bos-1/+1
2021-06-26Add machine applicable suggestion to unknown prefix error.Mara Bos-5/+4
2021-06-26Reserve prefixed identifiers and string literals (RFC 3101)lrh2000-1/+31
This commit denies any identifiers immediately followed by one of three tokens `"`, `'` or `#`, which is stricter than the requirements of RFC 3101 but may be necessary according to the discussion at [Zulip]. [Zulip]: https://rust-lang.zulipchat.com/#narrow/stream/268952-edition-2021/topic/reserved.20prefixes/near/238470099
2021-06-23Use HTTPS links where possibleSmitty-1/+1
2021-05-08Make `Diagnostic::span_fatal` unconditionally raise an errorJoshua Nelson-9/+5
It had no callers which didn't immediately call `raise()`, and this unifies the behavior with `Session`.
2021-05-08Remove some unnecessary uses of `struct_span_fatal`Joshua Nelson-36/+20
All of them immediately called `emit()` then `raise()`, so they could just call `span_fatal` directly.
2021-04-08Fix outdated crate names in compiler docspierwill-1/+1
Changes `librustc_X` to `rustc_X`, only in documentation comments. Plain code comments are left unchanged. Also fix incorrect file paths.
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