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Extension types. Report an error for super formal parameters.
Change-Id: I0e577dbe9d27913ce633951c68b2891f48699ca6 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/319560 Reviewed-by: Phil Quitslund <pquitslund@google.com> Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
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@ -636,6 +636,10 @@ CompileTimeErrorCode.EXTENSION_OVERRIDE_WITH_CASCADE:
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Replace the `..` with `.`.
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CompileTimeErrorCode.EXTENSION_OVERRIDE_WITHOUT_ACCESS:
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status: noFix
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CompileTimeErrorCode.EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_FORMAL_PARAMETER:
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status: needsFix
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notes: |-
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Remove it.
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CompileTimeErrorCode.EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION:
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status: needsFix
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notes: |-
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@ -1598,6 +1598,15 @@ class CompileTimeErrorCode extends AnalyzerErrorCode {
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hasPublishedDocs: true,
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);
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/// No parameters.
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static const CompileTimeErrorCode
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EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_FORMAL_PARAMETER =
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CompileTimeErrorCode(
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'EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_FORMAL_PARAMETER',
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"Extension type constructors can't declare super formal parameters.",
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correctionMessage: "Try removing the super formal parameter declaration.",
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);
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/// No parameters.
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static const CompileTimeErrorCode
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EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION = CompileTimeErrorCode(
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@ -191,6 +191,7 @@ const List<ErrorCode> errorCodeValues = [
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CompileTimeErrorCode.EXTENSION_OVERRIDE_ARGUMENT_NOT_ASSIGNABLE,
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CompileTimeErrorCode.EXTENSION_OVERRIDE_WITHOUT_ACCESS,
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CompileTimeErrorCode.EXTENSION_OVERRIDE_WITH_CASCADE,
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CompileTimeErrorCode.EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_FORMAL_PARAMETER,
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CompileTimeErrorCode.EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION,
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CompileTimeErrorCode.EXTENSION_TYPE_DECLARES_INSTANCE_FIELD,
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CompileTimeErrorCode.EXTENSION_TYPE_DECLARES_MEMBER_OF_OBJECT,
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@ -1297,6 +1297,15 @@ class ErrorVerifier extends RecursiveAstVisitor<void>
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void visitSuperFormalParameter(SuperFormalParameter node) {
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super.visitSuperFormalParameter(node);
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if (_enclosingClass is ExtensionTypeElement) {
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errorReporter.reportErrorForToken(
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CompileTimeErrorCode
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.EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_FORMAL_PARAMETER,
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node.superKeyword,
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);
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return;
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}
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var constructor = node.parentFormalParameterList.parent;
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if (!(constructor is ConstructorDeclaration &&
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constructor.isNonRedirectingGenerative)) {
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@ -48,6 +48,8 @@ class FindNode {
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ConditionalExpression get singleConditionalExpression => _single();
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ConstructorDeclaration get singleConstructorDeclaration => _single();
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ConstructorFieldInitializer get singleConstructorFieldInitializer =>
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_single();
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@ -142,6 +144,8 @@ class FindNode {
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SuperConstructorInvocation get singleSuperConstructorInvocation => _single();
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SuperFormalParameter get singleSuperFormalParameter => _single();
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SwitchCase get singleSwitchCase => _single();
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SwitchExpression get singleSwitchExpression => _single();
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@ -5056,6 +5056,10 @@ CompileTimeErrorCode:
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If there are multiple cascaded accesses, you'll need to duplicate the
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extension override for each one.
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EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_FORMAL_PARAMETER:
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problemMessage: "Extension type constructors can't declare super formal parameters."
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correctionMessage: Try removing the super formal parameter declaration.
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comment: No parameters.
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EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION:
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problemMessage: "Extension type constructors can't include superinitializers."
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correctionMessage: Try removing the superconstructor invocation.
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@ -0,0 +1,89 @@
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// Copyright (c) 2023, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'package:analyzer/src/error/codes.dart';
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import 'package:test_reflective_loader/test_reflective_loader.dart';
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import '../dart/resolution/context_collection_resolution.dart';
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main() {
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defineReflectiveSuite(() {
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defineReflectiveTests(ExtensionTypeConstructorWithSuperFormalParameterTest);
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});
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}
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@reflectiveTest
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class ExtensionTypeConstructorWithSuperFormalParameterTest
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extends PubPackageResolutionTest {
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test_named() async {
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await assertErrorsInCode('''
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extension type E(int it) {
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E.named(this.it, {super.foo});
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}
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''', [
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error(
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CompileTimeErrorCode
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.EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_FORMAL_PARAMETER,
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47,
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5),
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]);
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final node = findNode.singleFormalParameterList;
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assertResolvedNodeText(node, r'''
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FormalParameterList
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leftParenthesis: (
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parameter: FieldFormalParameter
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thisKeyword: this
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period: .
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name: it
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declaredElement: self::@extensionType::E::@constructor::named::@parameter::it
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type: int
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leftDelimiter: {
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parameter: DefaultFormalParameter
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parameter: SuperFormalParameter
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superKeyword: super
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period: .
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name: foo
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declaredElement: self::@extensionType::E::@constructor::named::@parameter::foo
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type: dynamic
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declaredElement: self::@extensionType::E::@constructor::named::@parameter::foo
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type: dynamic
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rightDelimiter: }
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rightParenthesis: )
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''');
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}
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test_positional() async {
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await assertErrorsInCode('''
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extension type E(int it) {
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E.named(this.it, super.foo);
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}
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''', [
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error(
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CompileTimeErrorCode
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.EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_FORMAL_PARAMETER,
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46,
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5),
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]);
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final node = findNode.singleFormalParameterList;
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assertResolvedNodeText(node, r'''
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FormalParameterList
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leftParenthesis: (
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parameter: FieldFormalParameter
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thisKeyword: this
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period: .
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name: it
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declaredElement: self::@extensionType::E::@constructor::named::@parameter::it
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type: int
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parameter: SuperFormalParameter
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superKeyword: super
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period: .
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name: foo
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declaredElement: self::@extensionType::E::@constructor::named::@parameter::foo
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type: dynamic
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rightParenthesis: )
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''');
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}
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}
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@ -238,6 +238,8 @@ import 'extension_override_with_cascade_test.dart'
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as extension_override_with_cascade;
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import 'extension_override_without_access_test.dart'
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as extension_override_without_access;
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import 'extension_type_constructor_with_super_formal_parameter_test.dart'
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as extension_type_constructor_with_super_formal_parameter;
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import 'extension_type_constructor_with_super_invocation_test.dart'
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as extension_type_constructor_with_super_invocation;
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import 'extension_type_declares_instance_field_test.dart'
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@ -1048,6 +1050,7 @@ main() {
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extension_override_argument_not_assignable.main();
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extension_override_with_cascade.main();
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extension_override_without_access.main();
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extension_type_constructor_with_super_formal_parameter.main();
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extension_type_constructor_with_super_invocation.main();
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extension_type_declares_instance_field.main();
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extension_type_declares_member_of_object.main();
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