matthiasblaesing opened a new pull request, #6091:
URL: https://github.com/apache/netbeans/pull/6091
In a valid Rust programm quotes occur in pairs to form character, string or
byte string literals. However while inputting the programm the lexer must still
be able to handle them. The lexer has to produce a token in that case so that
the NetBeans infrastructure relying on the token stream can work.
It is not a problem, that the resulting token stream can't be parsed.
Concrete cases:
Removing parts of single quote structure. The pipe symbols are not part of
the code. The area from the first pipe to the second pipe is selected and
removed.
```
fn main() {
println!('|x');
}
|
```
Enter single quote ('). The pipe symbol is not part of the code, at that
position a single quote is entered.
```
fn main() {
println!(|
```
This partially reverts b62889b5c2799cd58c925e8fd560088d34947418 and
introduces a different fix, that handles the "lonely" characters as explicit
tokens.
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