bjoernager/rust
bjoernager/rust
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Add edition 2021.

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This commit is contained in:
Mara Bos 2020-12-30 14:33:46 +01:00
parent 44e3daf5ee
commit f16ef7d7ce
12 changed files with 57 additions and 28 deletions
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14
compiler/rustc_span/src/edition.rs
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@ -20,20 +20,26 @@ pub enum Edition {
Edition2015,
/// The 2018 edition
Edition2018,
/// The 2021 ediiton
Edition2021,
}
// Must be in order from oldest to newest.
pub const ALL_EDITIONS: &[Edition] = &[Edition::Edition2015, Edition::Edition2018];
pub const ALL_EDITIONS: &[Edition] =
&[Edition::Edition2015, Edition::Edition2018, Edition::Edition2021];
pub const EDITION_NAME_LIST: &str = "2015|2018";
pub const EDITION_NAME_LIST: &str = "2015|2018|2021";
pub const DEFAULT_EDITION: Edition = Edition::Edition2015;
pub const LATEST_STABLE_EDITION: Edition = Edition::Edition2018;
impl fmt::Display for Edition {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let s = match *self {
Edition::Edition2015 => "2015",
Edition::Edition2018 => "2018",
Edition::Edition2021 => "2021",
};
write!(f, "{}", s)
}
@ -44,6 +50,7 @@ impl Edition {
match *self {
Edition::Edition2015 => "rust_2015_compatibility",
Edition::Edition2018 => "rust_2018_compatibility",
Edition::Edition2021 => "rust_2021_compatibility",
}
}
@ -51,6 +58,7 @@ impl Edition {
match *self {
Edition::Edition2015 => sym::rust_2015_preview,
Edition::Edition2018 => sym::rust_2018_preview,
Edition::Edition2021 => sym::rust_2021_preview,
}
}
@ -58,6 +66,7 @@ impl Edition {
match *self {
Edition::Edition2015 => true,
Edition::Edition2018 => true,
Edition::Edition2021 => false,
}
}
}
@ -68,6 +77,7 @@ impl FromStr for Edition {
match s {
"2015" => Ok(Edition::Edition2015),
"2018" => Ok(Edition::Edition2018),
"2021" => Ok(Edition::Edition2021),
_ => Err(()),
}
}