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disallow literal extension type declarations

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As per the discussion in https://github.com/dart-lang/sdk/issues/53508, this way of annotating primary constructors is ambiguous. Removing.

Change-Id: I1425b95185ee05cfed953fd8b0b845a2ddd8b8f1
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/325802
Commit-Queue: Phil Quitslund <pquitslund@google.com>
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
This commit is contained in:
pq 2023-09-13 17:06:48 +00:00 committed by Commit Queue
parent 38f62d2159
commit 2f13f043d5
3 changed files with 10 additions and 41 deletions
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4
pkg/analyzer/lib/src/error/annotation_verifier.dart
View file

@ -197,10 +197,6 @@ class AnnotationVerifier {
/// `@literal` annotation.
void _checkLiteral(AstNode node) {
var parent = node.parent;
// Primary constructor of an extension type declaration.
if (parent is ExtensionTypeDeclaration && parent.constKeyword != null) {
return;
}
if (parent is! ConstructorDeclaration || parent.constKeyword == null) {
_errorReporter
.reportErrorForNode(WarningCode.INVALID_LITERAL_ANNOTATION, node, []);

8
pkg/analyzer/test/src/diagnostics/invalid_literal_annotation_test.dart
View file

@ -41,12 +41,14 @@ extension type const E(int i) {
''');
}
test_extensionType_primaryConstructor_const() async {
await assertNoErrorsInCode(r'''
test_extensionType_declaration() async {
await assertErrorsInCode(r'''
import 'package:meta/meta.dart';
@literal
extension type const E(int i) { }
''');
''', [
error(WarningCode.INVALID_LITERAL_ANNOTATION, 33, 8),
]);
}
test_nonConstConstructor() async {

39
pkg/analyzer/test/src/diagnostics/non_const_call_to_literal_constructor_test.dart
View file

@ -42,15 +42,6 @@ const a = A();
''');
}
test_constContextCreation_extensionType() async {
await assertNoErrorsInCode(r'''
import 'package:meta/meta.dart';
@literal
extension type const E(int i) { }
const e = E(1);
''');
}
test_constCreation() async {
await assertNoErrorsInCode(r'''
import 'package:meta/meta.dart';
@ -65,9 +56,11 @@ const a = const A();
test_constCreation_extensionType() async {
await assertNoErrorsInCode(r'''
import 'package:meta/meta.dart';
@literal
extension type const E(int i) { }
const e = const E(1);
extension type const E(int i) {
@literal
const E.zero(): this(0);
}
E e = const E.zero();
''');
}
@ -133,26 +126,4 @@ E e = E.zero();
error(WarningCode.NON_CONST_CALL_TO_LITERAL_CONSTRUCTOR, 112, 8),
]);
}
test_usingNew_extensionType_nonConst() async {
await assertNoErrorsInCode(r'''
import 'package:meta/meta.dart';
@literal
extension type const E(int i) {
E.zero(): this(0);
}
E e = E.zero();
''');
}
test_usingNew_extensionType_primaryConstructor() async {
await assertErrorsInCode(r'''
import 'package:meta/meta.dart';
@literal
extension type const E(int i) { }
E e = E(1);
''', [
error(WarningCode.NON_CONST_CALL_TO_LITERAL_CONSTRUCTOR, 82, 4),
]);
}
}