From b4ddc1e626fbd11d784b442d246ddc5f54c35b51 Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Fri, 4 Aug 2023 17:38:00 +0200
Subject: refactor!: rename the async flag of the declare_interface macro

BREAKING CHANGE: The flag 'async' of the declare_interface macro has been renamed to 'threadsafe_sharable'. The reason being that the name 'async' was an outright lie. The new name describes exactly what the flag enables
---
 macros/src/declare_interface_args.rs           | 12 ++++++------
 macros/src/factory/build_declare_interfaces.rs |  4 ++--
 macros/src/lib.rs                              | 15 +++++++++------
 3 files changed, 17 insertions(+), 14 deletions(-)

(limited to 'macros/src')

diff --git a/macros/src/declare_interface_args.rs b/macros/src/declare_interface_args.rs
index 79004da..fea6c7b 100644
--- a/macros/src/declare_interface_args.rs
+++ b/macros/src/declare_interface_args.rs
@@ -5,7 +5,7 @@ use syn::{Token, TypePath};
 use crate::macro_flag::MacroFlag;
 use crate::util::iterator_ext::IteratorExt;
 
-pub const DECLARE_INTERFACE_FLAGS: &[&str] = &["async"];
+pub const DECLARE_INTERFACE_FLAGS: &[&str] = &["threadsafe_sharable"];
 
 pub struct DeclareInterfaceArgs
 {
@@ -110,7 +110,7 @@ mod tests
     fn can_parse_with_flags() -> Result<(), Box<dyn Error>>
     {
         let input_args = quote! {
-            Foobar -> IFoobar, async = true
+            Foobar -> IFoobar, threadsafe_sharable = true
         };
 
         let decl_interface_args = parse2::<DeclareInterfaceArgs>(input_args)?;
@@ -140,7 +140,7 @@ mod tests
         assert_eq!(
             decl_interface_args.flags,
             Punctuated::from_iter(vec![MacroFlag {
-                name: format_ident!("async"),
+                name: format_ident!("threadsafe_sharable"),
                 value: MacroFlagValue::Literal(Lit::Bool(LitBool::new(
                     true,
                     Span::call_site()
@@ -155,7 +155,7 @@ mod tests
     fn cannot_parse_with_invalid_flag()
     {
         let input_args = quote! {
-            Foobar -> IFoobar, xyz = false, async = true
+            Foobar -> IFoobar, xyz = false, threadsafe_sharable = true
         };
 
         assert!(parse2::<DeclareInterfaceArgs>(input_args).is_err());
@@ -167,7 +167,7 @@ mod tests
         assert!(
             // Formatting is weird without this comment
             parse2::<DeclareInterfaceArgs>(quote! {
-                Foobar -> IFoobar, async = true, async = true
+                Foobar -> IFoobar, threadsafe_sharable = true, threadsafe_sharable = true
             })
             .is_err()
         );
@@ -175,7 +175,7 @@ mod tests
         assert!(
             // Formatting is weird without this comment
             parse2::<DeclareInterfaceArgs>(quote! {
-                Foobar -> IFoobar, async = true, async = false
+                Foobar -> IFoobar, threadsafe_sharable = true, threadsafe_sharable = false
             })
             .is_err()
         );
diff --git a/macros/src/factory/build_declare_interfaces.rs b/macros/src/factory/build_declare_interfaces.rs
index 038d29d..e4fc01b 100644
--- a/macros/src/factory/build_declare_interfaces.rs
+++ b/macros/src/factory/build_declare_interfaces.rs
@@ -18,7 +18,7 @@ pub fn build_declare_factory_interfaces(
                     (std::sync::Arc<syrette::AsyncDIContainer>,),
                     #factory_interface
                 >,
-                async = true
+                threadsafe_sharable = true
             );
 
             syrette::declare_interface!(
@@ -26,7 +26,7 @@ pub fn build_declare_factory_interfaces(
                     (std::sync::Arc<syrette::AsyncDIContainer>,),
                     #factory_interface
                 > -> syrette::private::any_factory::AnyThreadsafeFactory,
-                async = true
+                threadsafe_sharable = true
             );
         }
     } else {
diff --git a/macros/src/lib.rs b/macros/src/lib.rs
index 80274fd..b261974 100644
--- a/macros/src/lib.rs
+++ b/macros/src/lib.rs
@@ -220,14 +220,14 @@ pub fn injectable(args_stream: TokenStream, input_stream: TokenStream) -> TokenS
     });
 
     let maybe_decl_interface = if let Some(interface) = opt_interface {
-        let async_flag = if is_async {
-            quote! {, async = true}
+        let threadsafe_sharable_flag = if is_async {
+            quote! { , threadsafe_sharable = true }
         } else {
             quote! {}
         };
 
         quote! {
-            syrette::declare_interface!(#self_type -> #interface #async_flag);
+            syrette::declare_interface!(#self_type -> #interface #threadsafe_sharable_flag);
         }
     } else {
         quote! {}
@@ -443,7 +443,8 @@ pub fn declare_default_factory(args_stream: TokenStream) -> TokenStream
 /// * (Zero or more) Flags. Like `a = true, b = false`
 ///
 /// # Flags
-/// - `async` - Mark as async.
+/// - `threadsafe_sharable` - Enables the use of thread-safe shared instances of the
+///   implementation accessed with the interface.
 ///
 /// # Examples
 /// ```
@@ -468,9 +469,11 @@ pub fn declare_interface(input: TokenStream) -> TokenStream
         flags,
     } = parse(input).unwrap_or_abort();
 
-    let opt_async_flag = flags.iter().find(|flag| flag.name() == "async");
+    let threadsafe_sharable_flag = flags
+        .iter()
+        .find(|flag| flag.name() == "threadsafe_sharable");
 
-    let is_async = opt_async_flag
+    let is_async = threadsafe_sharable_flag
         .map_or_else(|| Ok(false), MacroFlag::get_bool)
         .unwrap_or_abort();
 
-- 
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