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| author | Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com> | 2023-02-13 16:33:47 +0100 |
|---|---|---|
| committer | Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com> | 2023-03-30 13:52:29 +0200 |
| commit | f9ff02ad6ff0343743ebbfa492a512000445ed52 (patch) | |
| tree | e849229676825b4ab4d5ca849927a0283a986101 | |
| parent | fc8a92c4874730b193fbd78140a4b5486ffce752 (diff) | |
| download | gcc-f9ff02ad6ff0343743ebbfa492a512000445ed52.zip gcc-f9ff02ad6ff0343743ebbfa492a512000445ed52.tar.gz gcc-f9ff02ad6ff0343743ebbfa492a512000445ed52.tar.bz2 | |
libproc_macro: Add is_available interface
Add the rust interface for the is_available function in libproc_macro.
ChangeLog:
* librust/proc_macro/rust/lib.rs: Add is_available.
Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
| -rw-r--r-- | librust/proc_macro/rust/lib.rs | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/librust/proc_macro/rust/lib.rs b/librust/proc_macro/rust/lib.rs index 4b6272d..65cf8eb 100644 --- a/librust/proc_macro/rust/lib.rs +++ b/librust/proc_macro/rust/lib.rs @@ -12,6 +12,17 @@ mod literal; mod punct; mod span; +/// Determines whether proc_macro has been made accessible to the currently +/// running program. +/// +/// # Note +/// +/// 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") +} + /// A single token or a delimited sequence of token trees. #[derive(Clone)] pub enum TokenTree { |