diff options
Diffstat (limited to 'core/runtime.rs')
| -rw-r--r-- | core/runtime.rs | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/core/runtime.rs b/core/runtime.rs index 9ecbe580b..65ab50497 100644 --- a/core/runtime.rs +++ b/core/runtime.rs @@ -180,6 +180,11 @@ pub struct HeapLimits { #[derive(Default)] pub struct RuntimeOptions { + /// Allows a callback to be set whenever a V8 exception is made. This allows + /// the caller to wrap the JsError into an error. By default this callback + /// is set to `JsError::create()`. + pub js_error_create_fn: Option<Box<JsErrorCreateFn>>, + /// Implementation of `ModuleLoader` which will be /// called when V8 requests to load ES modules. /// @@ -266,6 +271,9 @@ impl JsRuntime { .module_loader .unwrap_or_else(|| Rc::new(NoopModuleLoader)); + let js_error_create_fn = options + .js_error_create_fn + .unwrap_or_else(|| Box::new(JsError::create)); let op_state = OpState::default(); isolate.set_slot(Rc::new(RefCell::new(JsRuntimeState { @@ -274,7 +282,7 @@ impl JsRuntime { shared_ab: None, js_recv_cb: None, js_macrotask_cb: None, - js_error_create_fn: Box::new(JsError::create), + js_error_create_fn, shared: SharedQueue::new(RECOMMENDED_SIZE), pending_ops: FuturesUnordered::new(), pending_unref_ops: FuturesUnordered::new(), @@ -332,8 +340,7 @@ impl JsRuntime { /// /// `AnyError` can be downcast to a type that exposes additional information /// about the V8 exception. By default this type is `JsError`, however it may - /// be a different type if `JsRuntime::set_js_error_create_fn()` has been - /// used. + /// be a different type if `RuntimeOptions::js_error_create_fn` has been set. pub fn execute( &mut self, js_filename: &str, @@ -380,8 +387,7 @@ impl JsRuntime { /// /// `AnyError` can be downcast to a type that exposes additional information /// about the V8 exception. By default this type is `JsError`, however it may - /// be a different type if `JsRuntime::set_js_error_create_fn()` has been - /// used. + /// be a different type if `RuntimeOptions::js_error_create_fn` has been set. pub fn snapshot(&mut self) -> v8::StartupData { assert!(self.snapshot_creator.is_some()); let state = Self::state(self); @@ -838,8 +844,7 @@ impl JsRuntime { /// /// `AnyError` can be downcast to a type that exposes additional information /// about the V8 exception. By default this type is `JsError`, however it may - /// be a different type if `JsRuntime::set_js_error_create_fn()` has been - /// used. + /// be a different type if `RuntimeOptions::js_error_create_fn` has been set. fn mod_instantiate(&mut self, id: ModuleId) -> Result<(), AnyError> { let state_rc = Self::state(self); let state = state_rc.borrow(); @@ -875,8 +880,7 @@ impl JsRuntime { /// /// `AnyError` can be downcast to a type that exposes additional information /// about the V8 exception. By default this type is `JsError`, however it may - /// be a different type if `JsRuntime::set_js_error_create_fn()` has been - /// used. + /// be a different type if `RuntimeOptions::js_error_create_fn` has been set. pub fn mod_evaluate(&mut self, id: ModuleId) -> Result<(), AnyError> { self.shared_init(); |