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| author | Mazdak Farrokhzad <twingoow@gmail.com> | 2019-07-25 23:21:00 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-07-25 23:21:00 +0200 |
| commit | e1de70b04548b2e899fcf0da09c29600cc05325e (patch) | |
| tree | a74148f96104c5972f121069a0cfcab089d8082e /src/libcore | |
| parent | 6f0e57fb1dc3b30126e6ec6c9dd2ad0309da2c0c (diff) | |
| parent | a0c2c640d54fa1622c2fea4accae1025bf109c47 (diff) | |
Rollup merge of #62735 - petrochenkov:galloc, r=alexcrichton
Turn `#[global_allocator]` into a regular attribute macro It was a 99% macro with exception of some diagnostic details. As a result of the change, `#[global_allocator]` now works in nested modules and even in nameless blocks. Fixes https://github.com/rust-lang/rust/issues/44113 Fixes https://github.com/rust-lang/rust/issues/58072
Diffstat (limited to 'src/libcore')
| -rw-r--r-- | src/libcore/macros.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/libcore/macros.rs b/src/libcore/macros.rs index 296bb43f9fa..17781798946 100644 --- a/src/libcore/macros.rs +++ b/src/libcore/macros.rs @@ -1281,6 +1281,13 @@ mod builtin { #[rustc_macro_transparency = "semitransparent"] pub macro test_case($item:item) { /* compiler built-in */ } + /// Attribute macro applied to a static to register it as a global allocator. + #[stable(feature = "global_allocator", since = "1.28.0")] + #[allow_internal_unstable(rustc_attrs)] + #[rustc_builtin_macro] + #[rustc_macro_transparency = "semitransparent"] + pub macro global_allocator($item:item) { /* compiler built-in */ } + /// Derive macro generating an impl of the trait `Clone`. #[rustc_builtin_macro] #[rustc_macro_transparency = "semitransparent"] |