diff options
author | HampusM <hampus@hampusmat.com> | 2022-07-20 14:29:45 +0200 |
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committer | HampusM <hampus@hampusmat.com> | 2022-07-20 14:29:45 +0200 |
commit | 2d1a6b2d432408d74eb57e0bda3f7434617e1070 (patch) | |
tree | 7e21f8126edfdfd9c40b4b51ba5626c6440442d9 /macros/src/lib.rs | |
parent | 7863d9859a5cbce99c3769e4fdb40283115d358d (diff) |
refactor: reorganize folder hierarchy
Diffstat (limited to 'macros/src/lib.rs')
-rw-r--r-- | macros/src/lib.rs | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/macros/src/lib.rs b/macros/src/lib.rs new file mode 100644 index 0000000..ed1a509 --- /dev/null +++ b/macros/src/lib.rs @@ -0,0 +1,96 @@ +#![deny(clippy::all)] +#![deny(clippy::pedantic)] + +use proc_macro::TokenStream; +use quote::quote; +use syn::{parse, parse_macro_input}; + +mod declare_interface_args; +mod factory_type_alias; +mod injectable_impl; +mod injectable_macro_args; +mod libs; + +use declare_interface_args::DeclareInterfaceArgs; +use factory_type_alias::FactoryTypeAlias; +use injectable_impl::InjectableImpl; +use injectable_macro_args::InjectableMacroArgs; +use libs::intertrait_macros::gen_caster::generate_caster; + +/// Makes a struct injectable. Thereby usable with `DIContainer`. +/// +/// # Arguments +/// * A interface trait the struct implements. +/// +/// # Panics +/// If the attributed item is not a impl. +#[proc_macro_attribute] +pub fn injectable(args_stream: TokenStream, impl_stream: TokenStream) -> TokenStream +{ + let InjectableMacroArgs { + interface: interface_type_path, + } = parse_macro_input!(args_stream); + + let injectable_impl: InjectableImpl = parse(impl_stream).unwrap(); + + let expanded_injectable_impl = injectable_impl.expand(); + + let self_type = &injectable_impl.self_type; + + quote! { + #expanded_injectable_impl + + syrette::declare_interface!(#self_type -> #interface_type_path); + } + .into() +} + +/// Makes a type alias usable as a factory interface. +/// +/// # Panics +/// If the attributed item is not a type alias. +#[proc_macro_attribute] +pub fn factory(_: TokenStream, type_alias_stream: TokenStream) -> TokenStream +{ + let FactoryTypeAlias { + type_alias, + factory_interface, + arg_types, + return_type, + } = parse(type_alias_stream).unwrap(); + + quote! { + #type_alias + + syrette::declare_interface!( + syrette::castable_factory::CastableFactory< + #arg_types, + #return_type + > -> #factory_interface + ); + + syrette::declare_interface!( + syrette::castable_factory::CastableFactory< + #arg_types, + #return_type + > -> syrette::castable_factory::AnyFactory + ); + } + .into() +} + +/// Declares the interface trait of a implementation. +/// +/// # Arguments +/// {Implementation} -> {Interface} +/// +#[proc_macro] +pub fn declare_interface(input: TokenStream) -> TokenStream +{ + let DeclareInterfaceArgs { + implementation, + interface, + } = parse_macro_input!(input); + + generate_caster(&implementation, &interface).into() +} |