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Bring char along with InvalidDigit

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This commit is contained in:
Ethan Brierley 2020-10-06 19:05:25 +01:00
parent c027844795
commit 83d294f06a
5 changed files with 12 additions and 12 deletions
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2
compiler/rustc_middle/src/middle/limits.rs
View File

@ -52,7 +52,7 @@ fn update_limit(
IntErrorKind::Empty | IntErrorKind::OnlySign => {
"`limit` must be a non-negative integer"
}
IntErrorKind::InvalidDigit => "not a valid integer",
IntErrorKind::InvalidDigit(_) => "not a valid integer",
IntErrorKind::NegOverflow => bug!("`limit` should never underflow"),
IntErrorKind::Zero => bug!("zero is a valid `limit`"),
kind => bug!("unimplemented IntErrorKind variant: {:?}", kind),

6
library/core/src/num/error.rs
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@ -92,12 +92,12 @@ pub enum IntErrorKind {
/// Among other causes, this variant will be constructed when parsing an empty string.
#[stable(feature = "int_error_matching", since = "1.47.0")]
Empty,
/// Contains an invalid digit.
/// Contains an digit invalid in its context.
///
/// Among other causes, this variant will be constructed when parsing a string that
/// contains a letter.
#[stable(feature = "int_error_matching", since = "1.47.0")]
InvalidDigit,
InvalidDigit(#[stable(feature = "int_error_matching", since = "1.47.0")] char),
/// Integer is too large to store in target integer type.
#[stable(feature = "int_error_matching", since = "1.47.0")]
PosOverflow,
@ -131,7 +131,7 @@ impl ParseIntError {
pub fn __description(&self) -> &str {
match self.kind {
IntErrorKind::Empty => "cannot parse integer from empty string",
IntErrorKind::InvalidDigit => "invalid digit found in string",
IntErrorKind::InvalidDigit(_) => "invalid digit found in string",
IntErrorKind::PosOverflow => "number too large to fit in target type",
IntErrorKind::NegOverflow => "number too small to fit in target type",
IntErrorKind::Zero => "number would be zero for non-zero type",

4
library/core/src/num/mod.rs
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@ -845,7 +845,7 @@ fn from_str_radix<T: FromStrRadixHelper>(src: &str, radix: u32) -> Result<T, Par
for &c in digits {
let x = match (c as char).to_digit(radix) {
Some(x) => x,
None => return Err(PIE { kind: InvalidDigit }),
None => return Err(PIE { kind: InvalidDigit(c as char) }),
};
result = match result.checked_mul(radix) {
Some(result) => result,
@ -861,7 +861,7 @@ fn from_str_radix<T: FromStrRadixHelper>(src: &str, radix: u32) -> Result<T, Par
for &c in digits {
let x = match (c as char).to_digit(radix) {
Some(x) => x,
None => return Err(PIE { kind: InvalidDigit }),
None => return Err(PIE { kind: InvalidDigit(c as char) }),
};
result = match result.checked_mul(radix) {
Some(result) => result,

2
library/core/tests/nonzero.rs
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@ -131,7 +131,7 @@ fn test_from_str() {
assert_eq!("0".parse::<NonZeroU8>().err().map(|e| e.kind().clone()), Some(IntErrorKind::Zero));
assert_eq!(
"-1".parse::<NonZeroU8>().err().map(|e| e.kind().clone()),
Some(IntErrorKind::InvalidDigit)
Some(IntErrorKind::InvalidDigit('-'))
);
assert_eq!(
"-129".parse::<NonZeroI8>().err().map(|e| e.kind().clone()),

10
library/core/tests/num/mod.rs
View File

@ -117,11 +117,11 @@ fn test_leading_plus() {
#[test]
fn test_invalid() {
test_parse::<i8>("--129", Err(IntErrorKind::InvalidDigit));
test_parse::<i8>("++129", Err(IntErrorKind::InvalidDigit));
test_parse::<u8>("Съешь", Err(IntErrorKind::InvalidDigit));
// is this the correct error here. Maybe need a reapeat sign error here
test_parse::<i8>("--", Err(IntErrorKind::InvalidDigit));
test_parse::<i8>("--129", Err(IntErrorKind::InvalidDigit('-')));
test_parse::<i8>("++129", Err(IntErrorKind::InvalidDigit('+')));
test_parse::<u8>("Съешь", Err(IntErrorKind::InvalidDigit('Ð')));
test_parse::<u8>("123Hello", Err(IntErrorKind::InvalidDigit('H')));
test_parse::<i8>("--", Err(IntErrorKind::InvalidDigit('-')));
}
#[test]