From 2b74dd918007d91f5fee94ad0034b5e7a30ed777 Mon Sep 17 00:00:00 2001 From: Manos Pitsidianakis Date: Thu, 3 Oct 2024 16:28:50 +0300 Subject: rust: add utility procedural macro crate This commit adds a helper crate library, qemu-api-macros for derive (and other procedural) macros to be used along qemu-api. It needs to be a separate library because in Rust, procedural macros, or macros that can generate arbitrary code, need to be special separate compilation units. Only one macro is introduced in this patch, #[derive(Object)]. It generates a constructor to register a QOM TypeInfo on init and it must be used on types that implement qemu_api::definitions::ObjectImpl trait. Reviewed-by: Junjie Mao Signed-off-by: Manos Pitsidianakis Link: https://lore.kernel.org/r/dd645642406a6dc2060c6f3f17db2bc77ed67b59.1727961605.git.manos.pitsidianakis@linaro.org Signed-off-by: Paolo Bonzini --- rust/qemu-api-macros/meson.build | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 rust/qemu-api-macros/meson.build (limited to 'rust/qemu-api-macros/meson.build') diff --git a/rust/qemu-api-macros/meson.build b/rust/qemu-api-macros/meson.build new file mode 100644 index 0000000..48af91e --- /dev/null +++ b/rust/qemu-api-macros/meson.build @@ -0,0 +1,25 @@ +add_languages('rust', required: true, native: true) + +quote_dep = dependency('quote-1-rs', native: true) +syn_dep = dependency('syn-2-rs', native: true) +proc_macro2_dep = dependency('proc-macro2-1-rs', native: true) + +_qemu_api_macros_rs = import('rust').proc_macro( + 'qemu_api_macros', + files('src/lib.rs'), + override_options: ['rust_std=2021', 'build.rust_std=2021'], + rust_args: [ + '--cfg', 'use_fallback', + '--cfg', 'feature="syn-error"', + '--cfg', 'feature="proc-macro"', + ], + dependencies: [ + proc_macro2_dep, + quote_dep, + syn_dep, + ], +) + +qemu_api_macros = declare_dependency( + link_with: _qemu_api_macros_rs, +) -- cgit v1.1