diff options
| author | Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com> | 2023-02-16 18:35:24 +0100 |
|---|---|---|
| committer | Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com> | 2023-03-30 13:52:30 +0200 |
| commit | eedfefb49d1aa8750c52a4893149207cc6ba5dbc (patch) | |
| tree | 688c8b3625080f1aaec5a41a15012a242a79668d | |
| parent | dc4f537942ee67079526e06528a9f0823ee81bf1 (diff) | |
| download | gcc-eedfefb49d1aa8750c52a4893149207cc6ba5dbc.zip gcc-eedfefb49d1aa8750c52a4893149207cc6ba5dbc.tar.gz gcc-eedfefb49d1aa8750c52a4893149207cc6ba5dbc.tar.bz2 | |
libproc_macro: Add is_available ffi
Add ffi call for is_available function.
ChangeLog:
* librust/proc_macro/rust/bridge.rs: Add internal
implementation.
* librust/proc_macro/rust/lib.rs: Add call to internal
implementation.
Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
| -rw-r--r-- | librust/proc_macro/rust/bridge.rs | 8 | ||||
| -rw-r--r-- | librust/proc_macro/rust/lib.rs | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/librust/proc_macro/rust/bridge.rs b/librust/proc_macro/rust/bridge.rs index eb49071..ff2c496 100644 --- a/librust/proc_macro/rust/bridge.rs +++ b/librust/proc_macro/rust/bridge.rs @@ -2,3 +2,11 @@ pub mod ident; pub mod literal; pub mod punct; pub mod span; + +extern "C" { + fn bridge__is_available() -> bool; +} + +pub fn is_available() -> bool { + unsafe { bridge__is_available() } +} diff --git a/librust/proc_macro/rust/lib.rs b/librust/proc_macro/rust/lib.rs index 48e1bcd..4e6802a 100644 --- a/librust/proc_macro/rust/lib.rs +++ b/librust/proc_macro/rust/lib.rs @@ -22,7 +22,7 @@ pub mod token_stream; /// This function provide a non panicking way to detect whether the API is /// invoked from inside of a procedural macro. pub fn is_available() -> bool { - todo!("Implement this function") + bridge::is_available() } /// A single token or a delimited sequence of token trees. |