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143 Commits

Author SHA1 Message Date
5225225
de05d3ec31 Print full char literal on error if any are non-printing 2021-11-16 08:06:30 +00:00
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
Fabian Wolff
0d8245b5b1 Improve diagnostics if a character literal contains combining marks 2021-09-10 19:23:37 +02:00
Anton Golov
a03fbfe2ff Warn when an escaped newline skips multiple lines 2021-08-11 11:35:08 +02:00
Cameron Steffen
4380056397 Rollup merge of #87659 - FabianWolff:issue-87397, r=davidtwco 
Fix invalid suggestions for non-ASCII characters in byte constants

Fixes #87397.
 2021-08-02 09:36:51 -05:00
bors
4e282795d7 Auto merge of #87662 - FabianWolff:rb-string, r=estebank 
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";
  |     ^^
```
 2021-07-31 20:20:18 +00:00
Fabian Wolff
f2c9654dcd Suggest br if the unknown string prefix rb is found 2021-07-31 15:37:36 +02:00
Fabian Wolff
c1abb6f4d6 Fix invalid suggestions for non-ASCII characters in byte constants 2021-07-31 15:21:11 +02:00
Anton Golov
5d59b4412e Add warning when whitespace is not skipped after an escaped newline. 2021-07-30 16:26:39 +02:00
Ryan Levick
d4e384bc1d rename rust_2021_token_prefixes to rust_2021_prefixes_incompatible_syntax 2021-07-06 20:13:36 +02:00
Ryan Levick
81c11a212e rust_2021_token_prefixes 2021-07-06 20:13:16 +02:00
Ryan Levick
6c87772e3c Rename reserved_prefix lint to reserved_prefixes 2021-07-06 20:12:55 +02:00
Mara Bos
7490305e13 No reserved_prefix suggestion in proc macro call_site. 2021-06-26 23:11:14 +08:00
Mara Bos
0eeeebc990 Rename 'bad prefix' to 'unknown prefix'. 2021-06-26 23:11:14 +08:00
Mara Bos
d40be0fc64 Check the span's edition for the reserved prefixes. 2021-06-26 23:11:13 +08:00
Mara Bos
6adce70a58 Improve comments for reserved prefixes. 
Co-authored-by: Niko Matsakis <niko@alum.mit.edu>
 2021-06-26 23:11:13 +08:00
Mara Bos
d837c00d10 Add migration lint for reserved prefixes. 2021-06-26 23:11:04 +08:00
Mara Bos
ce43fc9404 Fix note in reserved prefix error. 2021-06-26 23:09:43 +08:00
Mara Bos
c856e6fa53 Add machine applicable suggestion to unknown prefix error. 2021-06-26 23:09:43 +08:00
lrh2000
8dee9bc8fc Reserve prefixed identifiers and string literals (RFC 3101) 
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
 2021-06-26 23:09:43 +08:00
Smitty
bdfcb88e8b Use HTTPS links where possible 2021-06-23 16:26:46 -04:00
Joshua Nelson
96509b4835 Make Diagnostic::span_fatal unconditionally raise an error 
It had no callers which didn't immediately call `raise()`, and this
unifies the behavior with `Session`.
 2021-05-08 23:12:04 -04:00
Joshua Nelson
e49f4471aa Remove some unnecessary uses of struct_span_fatal 
All of them immediately called `emit()` then `raise()`, so they could
just call `span_fatal` directly.
 2021-05-08 23:12:04 -04:00
pierwill
0019ca9141 Fix outdated crate names in compiler docs 
Changes `librustc_X` to `rustc_X`, only in documentation comments.
Plain code comments are left unchanged.

Also fix incorrect file paths.
 2021-04-08 11:12:14 -05:00
Smitty
c6cb014ad6 Clarify error message wording 2021-02-07 11:02:53 -05:00
Smitty
651d289405 Add note about encoding when null bytes found 2021-02-06 19:17:14 -05:00
Esteban Küber
3b5d018ebb Handle Spans for byte and raw strings and add more detail 2021-02-03 13:34:28 -08:00
Nicolas
7be6d67f82 Fix typo in doc comment for report_too_many_hashes 
"to big" -> "too big"
 2020-11-22 07:02:58 -03:00
Guillaume Gomez
99200f760b Fix even more URLs 2020-11-05 20:11:29 +01:00
Eric Huss
35192ff574 Fix span for unicode escape suggestion. 2020-10-05 11:19:08 -07:00
Matthias Krüger
c690c82ad4 use if let instead of single match arm expressions to compact code and reduce nesting (clippy::single_match) 2020-09-20 11:42:52 +02:00
Aleksey Kladov
ccf41dd5eb Rename IsJoint -> Spacing 
To match better naming from proc-macro
 2020-09-03 17:32:45 +02:00
Aleksey Kladov
4231fbc0a8 Condense StringReader's API to a single function 2020-09-03 15:52:15 +02:00
Aleksey Kladov
fabd8a6834 Simplify TokenTreesReader 
This `joint_to_prev` bit of state is no longer needed.
 2020-09-01 11:46:49 +02:00
Aleksey Kladov
5326361fc0 Remove trivia tokens 2020-09-01 11:39:11 +02:00
Aleksey Kladov
8f24c2ec9d Don't emit trivia tokens 2020-09-01 11:39:11 +02:00
Aleksey Kladov
30ce15f1fa Make StringReader private 
After the recent refactorings, we can actually completely hide this
type. It should help with #63689.
 2020-08-31 18:01:01 +02:00
Aleksey Kladov
518cac9190 Remove unused function 2020-08-30 19:54:45 +02:00
mark
9e5f7d5631 mv compiler to compiler/ 2020-08-30 18:45:07 +03:00