From 15d7309072658800339eaba0491ba87ba6e266b2 Mon Sep 17 00:00:00 2001 From: HampusM Date: Sat, 9 Jul 2022 19:57:10 +0200 Subject: feat: add DI container --- .../src/libs/intertrait_macros/LICENSE-APACHE | 176 +++++++++++++++++++++ .../src/libs/intertrait_macros/LICENSE-MIT | 17 ++ syrette_macros/src/libs/intertrait_macros/args.rs | 99 ++++++++++++ .../src/libs/intertrait_macros/gen_caster.rs | 72 +++++++++ syrette_macros/src/libs/intertrait_macros/mod.rs | 15 ++ 5 files changed, 379 insertions(+) create mode 100644 syrette_macros/src/libs/intertrait_macros/LICENSE-APACHE create mode 100644 syrette_macros/src/libs/intertrait_macros/LICENSE-MIT create mode 100644 syrette_macros/src/libs/intertrait_macros/args.rs create mode 100644 syrette_macros/src/libs/intertrait_macros/gen_caster.rs create mode 100644 syrette_macros/src/libs/intertrait_macros/mod.rs (limited to 'syrette_macros/src/libs/intertrait_macros') diff --git a/syrette_macros/src/libs/intertrait_macros/LICENSE-APACHE b/syrette_macros/src/libs/intertrait_macros/LICENSE-APACHE new file mode 100644 index 0000000..d9a10c0 --- /dev/null +++ b/syrette_macros/src/libs/intertrait_macros/LICENSE-APACHE @@ -0,0 +1,176 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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{ + if !flags.insert(Flag::from(&ident)?) { + let msg = format!("Duplicated flag: {}", ident); + return Err(Error::new_spanned(ident, msg)); + } + } + } + + if input.is_empty() { + return Ok(Targets { flags, paths }); + } + + paths = Punctuated::::parse_terminated(input)? + .into_iter() + .collect(); + + Ok(Targets { flags, paths }) + } +} + +pub struct Casts +{ + pub ty: Type, + pub targets: Targets, +} + +impl Parse for Casts +{ + fn parse(input: ParseStream) -> Result + { + let ty: Type = input.parse()?; + input.parse::]>()?; + + Ok(Casts { + ty, + targets: input.parse()?, + }) + } +} diff --git a/syrette_macros/src/libs/intertrait_macros/gen_caster.rs b/syrette_macros/src/libs/intertrait_macros/gen_caster.rs new file mode 100644 index 0000000..9d177ed --- /dev/null +++ b/syrette_macros/src/libs/intertrait_macros/gen_caster.rs @@ -0,0 +1,72 @@ +/** + * Originally from Intertrait by CodeChain + * + * https://github.com/CodeChain-io/intertrait + * https://crates.io/crates/intertrait/0.2.2 + * + * Licensed under either of + * + * Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0) + * MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT) + + * at your option. +*/ +use std::str::from_utf8_unchecked; + +use proc_macro2::TokenStream; +use uuid::adapter::Simple; +use uuid::Uuid; + +use quote::format_ident; +use quote::quote; +use quote::ToTokens; + +pub fn generate_caster( + ty: &impl ToTokens, + trait_: &impl ToTokens, + sync: bool, +) -> TokenStream +{ + let mut fn_buf = [0u8; FN_BUF_LEN]; + let fn_ident = format_ident!("{}", new_fn_name(&mut fn_buf)); + let new_caster = if sync { + quote! { + syrette::libs::intertrait::Caster::::new_sync( + |from| from.downcast_ref::<#ty>().unwrap(), + |from| from.downcast_mut::<#ty>().unwrap(), + |from| from.downcast::<#ty>().unwrap(), + |from| from.downcast::<#ty>().unwrap(), + |from| from.downcast::<#ty>().unwrap() + ) + } + } else { + quote! { + syrette::libs::intertrait::Caster::::new( + |from| from.downcast_ref::<#ty>().unwrap(), + |from| from.downcast_mut::<#ty>().unwrap(), + |from| from.downcast::<#ty>().unwrap(), + |from| from.downcast::<#ty>().unwrap(), + ) + } + }; + + quote! { + #[syrette::libs::linkme::distributed_slice(syrette::libs::intertrait::CASTERS)] + #[linkme(crate = syrette::libs::linkme)] + fn #fn_ident() -> (::std::any::TypeId, syrette::libs::intertrait::BoxedCaster) { + (::std::any::TypeId::of::<#ty>(), Box::new(#new_caster)) + } + } +} + +const FN_PREFIX: &[u8] = b"__"; +const FN_BUF_LEN: usize = FN_PREFIX.len() + Simple::LENGTH; + +fn new_fn_name(buf: &mut [u8]) -> &str +{ + buf[..FN_PREFIX.len()].copy_from_slice(FN_PREFIX); + Uuid::new_v4() + .to_simple() + .encode_lower(&mut buf[FN_PREFIX.len()..]); + unsafe { from_utf8_unchecked(&buf[..FN_BUF_LEN]) } +} diff --git a/syrette_macros/src/libs/intertrait_macros/mod.rs b/syrette_macros/src/libs/intertrait_macros/mod.rs new file mode 100644 index 0000000..7904663 --- /dev/null +++ b/syrette_macros/src/libs/intertrait_macros/mod.rs @@ -0,0 +1,15 @@ +/** + * Originally from Intertrait by CodeChain + * + * https://github.com/CodeChain-io/intertrait + * https://crates.io/crates/intertrait/0.2.2 + * + * Licensed under either of + * + * Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0) + * MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT) + + * at your option. +*/ +pub mod args; +pub mod gen_caster; -- cgit v1.2.3-18-g5258