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Rollup merge of #122217 - estebank:issue-119685, r=fmease

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Handle str literals written with `'` lexed as lifetime

Given `'hello world'` and `'1 str', provide a structured suggestion for a valid string literal:

```
error[E0762]: unterminated character literal
  --> $DIR/lex-bad-str-literal-as-char-3.rs:2:26
   |
LL |     println!('hello world');
   |                          ^^^^
   |
help: if you meant to write a `str` literal, use double quotes
   |
LL |     println!("hello world");
   |              ~           ~
```
```
error[E0762]: unterminated character literal
  --> $DIR/lex-bad-str-literal-as-char-1.rs:2:20
   |
LL |     println!('1 + 1');
   |                    ^^^^
   |
help: if you meant to write a `str` literal, use double quotes
   |
LL |     println!("1 + 1");
   |              ~     ~
```

Fix #119685.
This commit is contained in:
Matthias Krüger 2024-03-24 01:05:51 +01:00 • committed by GitHub
commit 1164c2725e
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30 changed files with 250 additions and 70 deletions
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3
compiler/rustc_parse/messages.ftl
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@ -568,7 +568,7 @@ parse_more_than_one_char = character literal may only contain one codepoint
.remove_non = consider removing the non-printing characters
.use_double_quotes = if you meant to write a {$is_byte ->
[true] byte string
*[false] `str`
*[false] string
} literal, use double quotes
parse_multiple_skipped_lines = multiple lines skipped by escaped newline
@ -833,6 +833,7 @@ parse_unknown_prefix = prefix `{$prefix}` is unknown
.label = unknown prefix
.note = prefixed identifiers and literals are reserved since Rust 2021
.suggestion_br = use `br` for a raw byte string
.suggestion_str = if you meant to write a string literal, use double quotes
.suggestion_whitespace = consider inserting whitespace here
parse_unknown_start_of_token = unknown start of token: {$escaped}