Merge pull request swiftlang#84864 from nkcsgexi/typed_throw_in_objc_forbidden-interface

nkcsgexi · web-flow · commit 958420e4151f · 2025-10-15T20:44:20.000-07:00
sema: avoid diagnosing typed_throw_in_objc_forbidden in textual interface files
diff --git a/lib/Sema/TypeCheckDeclObjC.cpp b/lib/Sema/TypeCheckDeclObjC.cpp
@@ -846,7 +846,7 @@ bool swift::isRepresentableInLanguage(
   }
 
   // Check that @objc functions can't have typed throw.
-  if (AFD->hasThrows()) {
+  if (!AFD->getDeclContext()->isInSwiftinterface() && AFD->hasThrows()) {
     Type thrownType = AFD->getThrownInterfaceType();
     // TODO: only `throws(Error)` is allowed.
     // Throwing `any MyError` that confronts `Error` is not implemented yet.

Original file line number	Diff line number	Diff line change
`@@ -846,7 +846,7 @@ bool swift::isRepresentableInLanguage(`
`846`	`846`	`}`
`847`	`847`
`848`	`848`	`// Check that @objc functions can't have typed throw.`
`849`		`- if (AFD->hasThrows()) {`
	`849`	`+ if (!AFD->getDeclContext()->isInSwiftinterface() && AFD->hasThrows()) {`
`850`	`850`	`Type thrownType = AFD->getThrownInterfaceType();`
`851`	`851`	// TODO: only `throws(Error)` is allowed.
`852`	`852`	// Throwing `any MyError` that confronts `Error` is not implemented yet.