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Use LitKind::Err
for floats with empty exponents.
This prevents a follow-up type error in a test, which seems fine.
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@ -501,9 +501,11 @@ impl<'sess, 'src> StringReader<'sess, 'src> {
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(kind, self.symbol_from_to(start, end))
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}
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rustc_lexer::LiteralKind::Float { base, empty_exponent } => {
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let mut kind = token::Float;
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if empty_exponent {
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let span = self.mk_sp(start, self.pos);
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self.dcx().emit_err(errors::EmptyExponentFloat { span });
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let guar = self.dcx().emit_err(errors::EmptyExponentFloat { span });
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kind = token::Err(guar);
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}
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let base = match base {
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Base::Hexadecimal => Some("hexadecimal"),
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@ -515,7 +517,7 @@ impl<'sess, 'src> StringReader<'sess, 'src> {
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let span = self.mk_sp(start, end);
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self.dcx().emit_err(errors::FloatLiteralUnsupportedBase { span, base });
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}
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(token::Float, self.symbol_from_to(start, end))
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(kind, self.symbol_from_to(start, end))
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}
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}
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}
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@ -2,7 +2,5 @@
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//@no-rustfix
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fn f2() -> impl Sized { && 3.14159265358979323846E }
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//~^ ERROR: expected at least one digit in exponent
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//~| ERROR: long literal lacking separators
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//~| NOTE: `-D clippy::unreadable-literal` implied by `-D warnings`
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fn main() {}
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@ -4,14 +4,5 @@ error: expected at least one digit in exponent
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LL | fn f2() -> impl Sized { && 3.14159265358979323846E }
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| ^^^^^^^^^^^^^^^^^^^^^^^
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error: long literal lacking separators
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--> tests/ui/crashes/ice-10912.rs:3:28
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LL | fn f2() -> impl Sized { && 3.14159265358979323846E }
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| ^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `3.141_592_653_589_793_238_46`
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= note: `-D clippy::unreadable-literal` implied by `-D warnings`
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= help: to override `-D warnings` add `#[allow(clippy::unreadable_literal)]`
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error: aborting due to 2 previous errors
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error: aborting due to 1 previous error
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@ -1,6 +1,5 @@
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const UNIVERSAL_GRAVITATIONAL_CONSTANT: f64 = 6.674e−11; // m³⋅kg⁻¹⋅s⁻²
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//~^ ERROR expected at least one digit in exponent
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//~| ERROR unknown start of token: \u{2212}
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//~| ERROR cannot subtract `{integer}` from `{float}`
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fn main() {}
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@ -15,24 +15,5 @@ help: Unicode character '−' (Minus Sign) looks like '-' (Minus/Hyphen), but it
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LL | const UNIVERSAL_GRAVITATIONAL_CONSTANT: f64 = 6.674e-11; // m³⋅kg⁻¹⋅s⁻²
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| ~
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error[E0277]: cannot subtract `{integer}` from `{float}`
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--> $DIR/issue-49746-unicode-confusable-in-float-literal-expt.rs:1:53
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LL | const UNIVERSAL_GRAVITATIONAL_CONSTANT: f64 = 6.674e−11; // m³⋅kg⁻¹⋅s⁻²
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| ^ no implementation for `{float} - {integer}`
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= help: the trait `Sub<{integer}>` is not implemented for `{float}`
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= help: the following other types implement trait `Sub<Rhs>`:
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<isize as Sub>
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<isize as Sub<&isize>>
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<i8 as Sub>
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<i8 as Sub<&i8>>
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<i16 as Sub>
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<i16 as Sub<&i16>>
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<i32 as Sub>
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<i32 as Sub<&i32>>
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and 48 others
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error: aborting due to 2 previous errors
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error: aborting due to 3 previous errors
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For more information about this error, try `rustc --explain E0277`.
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