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Remove the old leaf declaration path

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Delete the deprecated Leaf derive path, migrate the remaining tests and example to leaf!, and add direct coverage for endpoint-only, TUI-only, and shared-host leaf declarations.
This commit is contained in:
Michael Mikovsky
2026-04-26 14:14:49 -06:00
parent 0aa0b187d7
commit 54c44b407e
17 changed files with 284 additions and 380 deletions
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unshell-macros/src/lib.rs
+16 -34
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@@ -1,6 +1,5 @@
//! Proc macros for `unshell` application-layer leaf declarations.
mod leaf;
mod leaf_decl;
mod procedure;
mod procedures;
@@ -38,33 +37,6 @@ pub fn leaf(input: TokenStream) -> TokenStream {
}
}
/// Derives canonical protocol-leaf identity helpers for one host type.
///
/// What it is: a derive macro that implements `ProtocolLeaf` and generates the
/// `protocol_leaf_name()` convenience method.
///
/// Why it exists: simple leaves and compatibility paths still need a lightweight
/// way to say "this host type exposes this canonical wire name" without writing
/// the trait implementation by hand.
///
/// # Example
/// ```ignore
/// use unshell::Leaf;
///
/// #[derive(Leaf)]
/// #[leaf(leaf_name = "echo")]
/// struct EchoLeaf;
///
/// assert!(EchoLeaf::protocol_leaf_name().contains("echo"));
/// ```
#[proc_macro_derive(Leaf, attributes(leaf))]
pub fn derive_leaf(input: TokenStream) -> TokenStream {
match leaf::expand_leaf(parse_macro_input!(input as DeriveInput)) {
Ok(tokens) => tokens.into(),
Err(error) => error.to_compile_error().into(),
}
}
/// Derives canonical stateful-procedure metadata for one procedure type.
///
/// What it is: a derive macro that records one procedure suffix and generates
@@ -75,10 +47,16 @@ pub fn derive_leaf(input: TokenStream) -> TokenStream {
///
/// # Example
/// ```ignore
/// use unshell::{Leaf, Procedure};
/// use unshell::{Procedure, leaf};
///
/// struct ShellLeaf;
///
/// leaf! {
/// name = "shell",
/// procedures = [OpenSession],
/// endpoint_struct = ShellLeaf,
/// }
///
/// #[derive(Leaf)]
/// #[leaf(leaf_name = "shell")]
/// struct ShellLeaf;
///
/// #[derive(Procedure)]
@@ -106,12 +84,16 @@ pub fn derive_procedure(input: TokenStream) -> TokenStream {
///
/// # Example
/// ```ignore
/// use unshell::{Leaf, procedures};
/// use unshell::{leaf, procedures};
///
/// #[derive(Leaf)]
/// #[leaf(id = "org.example.v1.echo")]
/// struct EchoLeaf;
///
/// leaf! {
/// id = "org.example.v1.echo",
/// procedures = [echo],
/// endpoint_struct = EchoLeaf,
/// }
///
/// #[procedures(error = core::convert::Infallible)]
/// impl EchoLeaf {
/// #[call]