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| author | gnzlbg <gonzalobg88@gmail.com> | 2019-02-09 15:55:30 +0100 |
|---|---|---|
| committer | gnzlbg <gonzalobg88@gmail.com> | 2019-02-23 15:48:40 +0100 |
| commit | c4b46ace556f3e4776d06ea7672daba6b243a80f (patch) | |
| tree | 34033c65f3206aeb933e7784cbb19cb0d22405fa /src/libsyntax | |
| parent | bcfb5e8ac30c46ba512526d66f803756c124c7bb (diff) | |
| download | rust-c4b46ace556f3e4776d06ea7672daba6b243a80f.tar.gz rust-c4b46ace556f3e4776d06ea7672daba6b243a80f.zip | |
Implement ffi_returns_twice attribute
Diffstat (limited to 'src/libsyntax')
| -rw-r--r-- | src/libsyntax/feature_gate.rs | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/libsyntax/feature_gate.rs b/src/libsyntax/feature_gate.rs index d574b410ccc..378e774686a 100644 --- a/src/libsyntax/feature_gate.rs +++ b/src/libsyntax/feature_gate.rs @@ -290,6 +290,9 @@ declare_features! ( // The `repr(i128)` annotation for enums. (active, repr128, "1.16.0", Some(35118), None), + // Allows the use of `#[ffi_returns_twice]` on extern functions. + (active, ffi_returns_twice, "1.34.0", Some(58314), None), + // The `unadjusted` ABI; perma-unstable. // // rustc internal @@ -1128,6 +1131,11 @@ pub const BUILTIN_ATTRIBUTES: &[(&str, AttributeType, AttributeTemplate, Attribu "the `#[naked]` attribute \ is an experimental feature", cfg_fn!(naked_functions))), + ("ffi_returns_twice", Whitelisted, template!(Word), Gated(Stability::Unstable, + "ffi_returns_twice", + "the `#[ffi_returns_twice]` attribute \ + is an experimental feature", + cfg_fn!(ffi_returns_twice))), ("target_feature", Whitelisted, template!(List: r#"enable = "name""#), Ungated), ("export_name", Whitelisted, template!(NameValueStr: "name"), Ungated), ("inline", Whitelisted, template!(Word, List: "always|never"), Ungated), |