9898469e9e
Makes some tweaks to the SubApp labeling introduced in #2695: * Ergonomics improvements * Removes unnecessary allocation when retrieving subapp label * Removes the newly added "app macros" crate in favor of bevy_derive * renamed RenderSubApp to RenderApp @zicklag (for reference)
73 lines
2.6 KiB
Rust
73 lines
2.6 KiB
Rust
extern crate proc_macro;
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mod app_plugin;
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mod bevy_main;
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mod bytes;
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mod enum_variant_meta;
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mod modules;
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mod render_resource;
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mod render_resources;
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mod resource;
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mod shader_defs;
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use bevy_macro_utils::{derive_label, BevyManifest};
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use proc_macro::TokenStream;
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use quote::format_ident;
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/// Derives the FromResources trait. Each field must also implement the FromResources trait or this
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/// will fail. FromResources is automatically implemented for types that implement Default.
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#[proc_macro_derive(FromResources)]
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pub fn derive_from_resources(input: TokenStream) -> TokenStream {
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resource::derive_from_resources(input)
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}
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/// Derives the Bytes trait. Each field must also implements Bytes or this will fail.
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#[proc_macro_derive(Bytes)]
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pub fn derive_bytes(input: TokenStream) -> TokenStream {
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bytes::derive_bytes(input)
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}
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/// Derives the RenderResources trait. Each field must implement RenderResource or this will fail.
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/// You can ignore fields using `#[render_resources(ignore)]`.
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#[proc_macro_derive(RenderResources, attributes(render_resources))]
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pub fn derive_render_resources(input: TokenStream) -> TokenStream {
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render_resources::derive_render_resources(input)
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}
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/// Derives the RenderResource trait. The type must also implement `Bytes` or this will fail.
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#[proc_macro_derive(RenderResource)]
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pub fn derive_render_resource(input: TokenStream) -> TokenStream {
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render_resource::derive_render_resource(input)
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}
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/// Derives the ShaderDefs trait. Each field must implement ShaderDef or this will fail.
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/// You can ignore fields using `#[shader_defs(ignore)]`.
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#[proc_macro_derive(ShaderDefs, attributes(shader_def))]
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pub fn derive_shader_defs(input: TokenStream) -> TokenStream {
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shader_defs::derive_shader_defs(input)
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}
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/// Generates a dynamic plugin entry point function for the given `Plugin` type.
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#[proc_macro_derive(DynamicPlugin)]
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pub fn derive_dynamic_plugin(input: TokenStream) -> TokenStream {
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app_plugin::derive_dynamic_plugin(input)
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}
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#[proc_macro_attribute]
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pub fn bevy_main(attr: TokenStream, item: TokenStream) -> TokenStream {
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bevy_main::bevy_main(attr, item)
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}
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#[proc_macro_derive(EnumVariantMeta)]
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pub fn derive_enum_variant_meta(input: TokenStream) -> TokenStream {
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enum_variant_meta::derive_enum_variant_meta(input)
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}
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#[proc_macro_derive(AppLabel)]
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pub fn derive_app_label(input: TokenStream) -> TokenStream {
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let input = syn::parse_macro_input!(input as syn::DeriveInput);
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let mut trait_path = BevyManifest::default().get_path("bevy_app");
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trait_path.segments.push(format_ident!("AppLabel").into());
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derive_label(input, trait_path)
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}
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