renamed custom_guard_error flag to custom_error as it is not guard sp…

…ecific anymore
korken89 · Jul 13, 2024 · 470baee · 470baee
1 parent 8012b16
commit 470baee
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Showing 6 changed files with 22 additions and 18 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -11,6 +11,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 - Add support for implicit and wildcard internal transitions
 
+### Changed
+
+- [breaking] Renamed custom_guard_error flag to custom_error as it is not guard specific anymore
+
 ## [0.7.0] - 2024-07-03
 
 ### Added

diff --git a/docs/dsl.md b/docs/dsl.md
@@ -21,7 +21,7 @@ statemachine!{
     // [Optional] Can be optionally specified to add a new `type Error` to the
     // generated `StateMachineContext` trait to allow guards to return a custom
     // error type instead of `()`.
-    custom_guard_error: false,
+    custom_error: false,
 
     // [Optional] A list of derive names for the generated `States` and `Events`
     // enumerations respectively. For example, to `#[derive(Debug)]`, these

diff --git a/examples/guard_custom_error.rs b/examples/guard_custom_error.rs
@@ -27,7 +27,7 @@ statemachine! {
         State2(MyStateData) + Event2  [guard2] / action2 = State3,
         // ...
     },
-    custom_guard_error: true,
+    custom_error: true,
 }
 
 /// Context

diff --git a/macros/src/codegen.rs b/macros/src/codegen.rs
@@ -203,7 +203,7 @@ pub fn generate_code(sm: &ParsedStateMachine) -> proc_macro2::TokenStream {
         })
         .collect();
 
-    let guard_error = if sm.custom_guard_error {
+    let custom_error = if sm.custom_error {
         quote! { Self::Error }
     } else {
         quote! { () }
@@ -329,7 +329,7 @@ pub fn generate_code(sm: &ParsedStateMachine) -> proc_macro2::TokenStream {
                             guard_list.extend(quote! {
                             #[allow(missing_docs)]
                             #[allow(clippy::result_unit_err)]
-                            #is_async fn #guard <#all_lifetimes> (&self, #temporary_context #state_data #event_data) -> Result<bool,#guard_error>;
+                            #is_async fn #guard <#all_lifetimes> (&self, #temporary_context #state_data #event_data) -> Result<bool,#custom_error>;
                         });
                         };
                         Ok(())
@@ -352,10 +352,10 @@ pub fn generate_code(sm: &ParsedStateMachine) -> proc_macro2::TokenStream {
                         .data_types
                         .get(&transition.out_state.to_string())
                     {
-                        quote! { Result<#output_data,#guard_error> }
+                        quote! { Result<#output_data,#custom_error> }
                     } else {
                         // Empty return type
-                        quote! { Result<(),#guard_error> }
+                        quote! { Result<(),#custom_error> }
                     };
 
                     let event_data = match sm.event_data.data_types.get(event) {
@@ -524,7 +524,7 @@ pub fn generate_code(sm: &ParsedStateMachine) -> proc_macro2::TokenStream {
     // lifetimes that exists in #events_type_name but not in #states_type_name
     let event_unique_lifetimes = event_lifetimes - state_lifetimes;
 
-    let guard_error = if sm.custom_guard_error {
+    let custom_error = if sm.custom_error {
         quote! {
             /// The error type returned by guard or action functions.
             type Error: core::fmt::Debug;
@@ -539,7 +539,7 @@ pub fn generate_code(sm: &ParsedStateMachine) -> proc_macro2::TokenStream {
         quote! {}
     };
 
-    let error_type = if sm.custom_guard_error {
+    let error_type = if sm.custom_error {
         quote! {
             #error_type_name<<T as #state_machine_context_type_name>::Error>
         }
@@ -554,7 +554,7 @@ pub fn generate_code(sm: &ParsedStateMachine) -> proc_macro2::TokenStream {
         /// This trait outlines the guards and actions that need to be implemented for the state
         /// machine.
         pub trait #state_machine_context_type_name {
-            #guard_error
+            #custom_error
             #guard_list
             #action_list
             #entries_exits

diff --git a/macros/src/parser/mod.rs b/macros/src/parser/mod.rs
@@ -49,7 +49,7 @@ pub struct ParsedStateMachine {
     pub derive_states: Vec<Ident>,
     pub derive_events: Vec<Ident>,
     pub temporary_context_type: Option<Type>,
-    pub custom_guard_error: bool,
+    pub custom_error: bool,
     pub states: HashMap<String, Ident>,
     pub starting_state: Ident,
     pub state_data: DataDefinitions,
@@ -249,7 +249,7 @@ impl ParsedStateMachine {
             derive_states: sm.derive_states,
             derive_events: sm.derive_events,
             temporary_context_type: sm.temporary_context_type,
-            custom_guard_error: sm.custom_guard_error,
+            custom_error: sm.custom_error,
             states,
             starting_state,
             state_data,

diff --git a/macros/src/parser/state_machine.rs b/macros/src/parser/state_machine.rs
@@ -4,7 +4,7 @@ use syn::{braced, bracketed, parse, spanned::Spanned, token, Ident, Token, Type}
 #[derive(Debug)]
 pub struct StateMachine {
     pub temporary_context_type: Option<Type>,
-    pub custom_guard_error: bool,
+    pub custom_error: bool,
     pub transitions: Vec<StateTransition>,
     pub name: Option<Ident>,
     pub derive_states: Vec<Ident>,
@@ -15,7 +15,7 @@ impl StateMachine {
     pub fn new() -> Self {
         StateMachine {
             temporary_context_type: None,
-            custom_guard_error: false,
+            custom_error: false,
             transitions: Vec::new(),
             name: None,
             derive_states: Vec::new(),
@@ -72,11 +72,11 @@ impl parse::Parse for StateMachine {
                         }
                     }
                 }
-                "custom_guard_error" => {
+                "custom_error" => {
                     input.parse::<Token![:]>()?;
-                    let custom_guard_error: syn::LitBool = input.parse()?;
-                    if custom_guard_error.value {
-                        statemachine.custom_guard_error = true
+                    let custom_error: syn::LitBool = input.parse()?;
+                    if custom_error.value {
+                        statemachine.custom_error = true
                     }
                 }
                 "temporary_context" => {
@@ -145,7 +145,7 @@ impl parse::Parse for StateMachine {
                             "Unknown keyword {}. Support keywords: [\"name\", \
                                 \"transitions\", \
                                 \"temporary_context\", \
-                                \"custom_guard_error\", \
+                                \"custom_error\", \
                                 \"derive_states\", \
                                 \"derive_events\"
                                 ]",