Extension types. Report super constructor invocations.

Change-Id: Ib3da4c7f19864bbbb6d9f53769375fe9f1cf7daa
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/319300
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Konstantin Shcheglov <scheglov@google.com>
Reviewed-by: Phil Quitslund <pquitslund@google.com>
This commit is contained in:
Konstantin Shcheglov 2023-08-09 16:50:56 +00:00 committed by Commit Queue
parent 3564f5c163
commit ffcb38d702
7 changed files with 101 additions and 0 deletions

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@ -636,6 +636,10 @@ CompileTimeErrorCode.EXTENSION_OVERRIDE_WITH_CASCADE:
Replace the `..` with `.`.
CompileTimeErrorCode.EXTENSION_OVERRIDE_WITHOUT_ACCESS:
status: noFix
CompileTimeErrorCode.EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION:
status: needsFix
notes: |-
Remove it.
CompileTimeErrorCode.EXTENSION_TYPE_DECLARES_INSTANCE_FIELD:
status: noFix
CompileTimeErrorCode.EXTENSION_TYPE_DECLARES_MEMBER_OF_OBJECT:

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@ -1598,6 +1598,14 @@ class CompileTimeErrorCode extends AnalyzerErrorCode {
hasPublishedDocs: true,
);
/// No parameters.
static const CompileTimeErrorCode
EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION = CompileTimeErrorCode(
'EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION',
"Extension type constructors can't include superinitializers.",
correctionMessage: "Try removing the superconstructor invocation.",
);
/// No parameters.
static const CompileTimeErrorCode EXTENSION_TYPE_DECLARES_INSTANCE_FIELD =
CompileTimeErrorCode(

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@ -191,6 +191,7 @@ const List<ErrorCode> errorCodeValues = [
CompileTimeErrorCode.EXTENSION_OVERRIDE_ARGUMENT_NOT_ASSIGNABLE,
CompileTimeErrorCode.EXTENSION_OVERRIDE_WITHOUT_ACCESS,
CompileTimeErrorCode.EXTENSION_OVERRIDE_WITH_CASCADE,
CompileTimeErrorCode.EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION,
CompileTimeErrorCode.EXTENSION_TYPE_DECLARES_INSTANCE_FIELD,
CompileTimeErrorCode.EXTENSION_TYPE_DECLARES_MEMBER_OF_OBJECT,
CompileTimeErrorCode.EXTENSION_TYPE_IMPLEMENTS_DISALLOWED_TYPE,

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@ -1286,6 +1286,7 @@ class ErrorVerifier extends RecursiveAstVisitor<void>
);
_isInConstructorInitializer = true;
try {
_checkForExtensionTypeConstructorWithSuperInvocation(node);
super.visitSuperConstructorInvocation(node);
} finally {
_isInConstructorInitializer = false;
@ -2877,6 +2878,17 @@ class ErrorVerifier extends RecursiveAstVisitor<void>
}
}
void _checkForExtensionTypeConstructorWithSuperInvocation(
SuperConstructorInvocation node,
) {
if (_enclosingClass is ExtensionTypeElement) {
errorReporter.reportErrorForToken(
CompileTimeErrorCode.EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION,
node.superKeyword,
);
}
}
void _checkForExtensionTypeDeclaresInstanceField(FieldDeclaration node) {
if (_enclosingClass is! ExtensionTypeElement) {
return;

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@ -5056,6 +5056,10 @@ CompileTimeErrorCode:
If there are multiple cascaded accesses, you'll need to duplicate the
extension override for each one.
EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION:
problemMessage: "Extension type constructors can't include superinitializers."
correctionMessage: Try removing the superconstructor invocation.
comment: No parameters.
EXTENSION_TYPE_DECLARES_INSTANCE_FIELD:
problemMessage: "Extension types can't declare instance fields."
correctionMessage: Try replacing the field with a getter.

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@ -0,0 +1,69 @@
// Copyright (c) 2023, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
import 'package:analyzer/src/error/codes.dart';
import 'package:test_reflective_loader/test_reflective_loader.dart';
import '../dart/resolution/context_collection_resolution.dart';
main() {
defineReflectiveSuite(() {
defineReflectiveTests(ExtensionTypeConstructorWithSuperInvocationTest);
});
}
@reflectiveTest
class ExtensionTypeConstructorWithSuperInvocationTest
extends PubPackageResolutionTest {
test_named() async {
await assertErrorsInCode('''
extension type E(int it) {
E.named() : it = 0, super.named();
}
''', [
error(
CompileTimeErrorCode.EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION,
49,
5),
]);
final node = findNode.singleSuperConstructorInvocation;
assertResolvedNodeText(node, r'''
SuperConstructorInvocation
superKeyword: super
period: .
constructorName: SimpleIdentifier
token: named
staticElement: <null>
staticType: null
argumentList: ArgumentList
leftParenthesis: (
rightParenthesis: )
staticElement: <null>
''');
}
test_unnamed() async {
await assertErrorsInCode('''
extension type E(int it) {
E.named() : it = 0, super();
}
''', [
error(
CompileTimeErrorCode.EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION,
49,
5),
]);
final node = findNode.singleSuperConstructorInvocation;
assertResolvedNodeText(node, r'''
SuperConstructorInvocation
superKeyword: super
argumentList: ArgumentList
leftParenthesis: (
rightParenthesis: )
staticElement: <null>
''');
}
}

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@ -238,6 +238,8 @@ import 'extension_override_with_cascade_test.dart'
as extension_override_with_cascade;
import 'extension_override_without_access_test.dart'
as extension_override_without_access;
import 'extension_type_constructor_with_super_invocation_test.dart'
as extension_type_constructor_with_super_invocation;
import 'extension_type_declares_instance_field_test.dart'
as extension_type_declares_instance_field;
import 'extension_type_declares_member_of_object_test.dart'
@ -1046,6 +1048,7 @@ main() {
extension_override_argument_not_assignable.main();
extension_override_with_cascade.main();
extension_override_without_access.main();
extension_type_constructor_with_super_invocation.main();
extension_type_declares_instance_field.main();
extension_type_declares_member_of_object.main();
extension_type_implements_disallowed_type.main();