Make macro system and PTY test leaf

unshell-macros/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "unshell-macros"
+version.workspace = true
+edition.workspace = true
+description = "Procedural macros for UnShell leaves"
+
+[lib]
+proc-macro = true
+
+[dependencies]
+unshell-macros-core = { workspace = true }
+
+[lints.rust]
+elided_lifetimes_in_paths = "warn"
+future_incompatible = { level = "warn", priority = -1 }
+nonstandard_style = { level = "warn", priority = -1 }
+rust_2018_idioms = { level = "warn", priority = -1 }
+rust_2021_prelude_collisions = "warn"
+semicolon_in_expressions_from_macros = "warn"
+unsafe_op_in_unsafe_fn = "warn"
+unused_import_braces = "warn"
+unused_lifetimes = "warn"
+trivial_casts = "allow"

unshell-macros/src/lib.rs

@@ -0,0 +1,15 @@
+//! Procedural macro shim for UnShell.
+//!
+//! The real parser and code generator live in `unshell-macros-core` so they can be
+//! tested as ordinary Rust. This crate only adapts compiler `TokenStream`s.
+
+use proc_macro::TokenStream;
+
+/// Generates an `unshell_protocol::Leaf` wrapper for a user-owned state struct.
+///
+/// See `LEAF_MACRO_INTERFACE.md` for the design contract. The generated wrapper owns
+/// session stores, retry queues, filtered packet dispatch, and final-frame cleanup.
+#[proc_macro_attribute]
+pub fn unshell_leaf(attr: TokenStream, item: TokenStream) -> TokenStream {
+    unshell_macros_core::expand_unshell_leaf(attr.into(), item.into()).into()
+}