bjoernager/rust
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Syntactically permit unsafety on mods

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This commit is contained in:
David Tolnay 2020-08-23 03:42:19 -07:00
parent 25b2f48612
commit fd4dd00dde
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17 changed files with 284 additions and 37 deletions
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10
compiler/rustc_ast/src/ast.rs
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@ -2289,12 +2289,15 @@ impl FnRetTy {
/// Module declaration.
///
/// E.g., `mod foo;` or `mod foo { .. }`.
#[derive(Clone, Encodable, Decodable, Debug, Default)]
#[derive(Clone, Encodable, Decodable, Debug)]
pub struct Mod {
/// A span from the first token past `{` to the last token until `}`.
/// For `mod foo;`, the inner span ranges from the first token
/// to the last token in the external file.
pub inner: Span,
/// `unsafe` keyword accepted syntactically for macro DSLs, but not
/// semantically by Rust.
pub unsafety: Unsafe,
pub items: Vec<P<Item>>,
/// `true` for `mod foo { .. }`; `false` for `mod foo;`.
pub inline: bool,
@ -2302,9 +2305,12 @@ pub struct Mod {
/// Foreign module declaration.
///
/// E.g., `extern { .. }` or `extern C { .. }`.
/// E.g., `extern { .. }` or `extern "C" { .. }`.
#[derive(Clone, Encodable, Decodable, Debug)]
pub struct ForeignMod {
/// `unsafe` keyword accepted syntactically for macro DSLs, but not
/// semantically by Rust.
pub unsafety: Unsafe,
pub abi: Option<StrLit>,
pub items: Vec<P<ForeignItem>>,
}