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Create new E0768 error code for "no valid digits found for number" error

This commit is contained in:
Guillaume Gomez 2020-07-04 00:12:16 +02:00
parent f844ea1e56
commit d64a4b57ae
3 changed files with 22 additions and 1 deletions

View file

@ -449,6 +449,7 @@ E0764: include_str!("./error_codes/E0764.md"),
E0765: include_str!("./error_codes/E0765.md"),
E0766: include_str!("./error_codes/E0766.md"),
E0767: include_str!("./error_codes/E0767.md"),
E0768: include_str!("./error_codes/E0768.md"),
;
// E0006, // merged with E0005
// E0008, // cannot bind by-move into a pattern guard

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@ -0,0 +1,13 @@
A number in a non-decimal base has no digits.
Erroneous code example:
```compile_fail,E0768
let s: i32 = 0b; // error!
```
To fix this error, add the missing digits:
```
let s: i32 = 0b1; // ok!
```

View file

@ -391,7 +391,14 @@ impl<'a> StringReader<'a> {
}
rustc_lexer::LiteralKind::Int { base, empty_int } => {
return if empty_int {
self.err_span_(start, suffix_start, "no valid digits found for number");
self.sess
.span_diagnostic
.struct_span_err_with_code(
self.mk_sp(start, suffix_start),
"no valid digits found for number",
error_code!(E0768),
)
.emit();
(token::Integer, sym::integer(0))
} else {
self.validate_int_literal(base, start, suffix_start);