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Diffstat (limited to 'crates/proc-macro-api/src/msg.rs')
| -rw-r--r-- | crates/proc-macro-api/src/msg.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/crates/proc-macro-api/src/msg.rs b/crates/proc-macro-api/src/msg.rs index 9b7bcaeffe..4040efe93f 100644 --- a/crates/proc-macro-api/src/msg.rs +++ b/crates/proc-macro-api/src/msg.rs @@ -12,16 +12,21 @@ use crate::ProcMacroKind; pub use crate::msg::flat::FlatTree; +pub const NO_VERSION_CHECK_VERSION: u32 = 0; +pub const CURRENT_API_VERSION: u32 = 1; + #[derive(Debug, Serialize, Deserialize)] pub enum Request { ListMacros { dylib_path: PathBuf }, ExpandMacro(ExpandMacro), + ApiVersionCheck {}, } #[derive(Debug, Serialize, Deserialize)] pub enum Response { ListMacros(Result<Vec<(String, ProcMacroKind)>, String>), ExpandMacro(Result<FlatTree, PanicMessage>), + ApiVersionCheck(u32), } #[derive(Debug, Serialize, Deserialize)] |