declarations of abstract methods must be consecutive
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326036dbe5
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3 changed files with 14 additions and 5 deletions
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@ -9191,9 +9191,6 @@ namespace ts {
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return;
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}
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// Abstract methods can't have an implementation -- in particular, they don't need one.
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if (node.flags & NodeFlags.Abstract) { return; }
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let seen = false;
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let subsequentNode = forEachChild(node.parent, c => {
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if (seen) {
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@ -9226,9 +9223,15 @@ namespace ts {
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error(errorNode, Diagnostics.Constructor_implementation_is_missing);
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}
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else {
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// Report different errors regarding non-consecutive blocks of declarations depending on whether
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// the node in question is abstract.
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if (node.flags & NodeFlags.Abstract) {
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error(errorNode, Diagnostics.All_declarations_of_an_abstract_member_function_must_be_consecutive);
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} else {
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error(errorNode, Diagnostics.Function_implementation_is_missing_or_not_immediately_following_the_declaration);
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}
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}
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}
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// when checking exported function declarations across modules check only duplicate implementations
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// names and consistency of modifiers are verified when we check local symbol
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@ -9303,7 +9306,8 @@ namespace ts {
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});
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}
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if (!isExportSymbolInsideModule && lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body) {
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// Abstract methods can't have an implementation -- in particular, they don't need one.
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if (!isExportSymbolInsideModule && lastSeenNonAmbientDeclaration && !lastSeenNonAmbientDeclaration.body && !(lastSeenNonAmbientDeclaration.flags & NodeFlags.Abstract) ) {
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reportImplementationExpectedError(lastSeenNonAmbientDeclaration);
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}
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@ -398,6 +398,7 @@ namespace ts {
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Abstract_member_function_0_on_type_1_cannot_be_called_via_super_expression: { code: 2513, category: DiagnosticCategory.Error, key: "Abstract member function '{0}' on type '{1}' cannot be called via super expression." },
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Classes_containing_abstract_functions_must_be_marked_abstract: { code: 2514, category: DiagnosticCategory.Error, key: "Classes containing abstract functions must be marked abstract." },
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Non_abstract_class_0_does_not_implement_inherited_abstract_member_1_2: { code: 2515, category: DiagnosticCategory.Error, key: "Non-abstract class '{0}' does not implement inherited abstract member '{1}.{2}'." },
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All_declarations_of_an_abstract_member_function_must_be_consecutive: { code: 2516, category: DiagnosticCategory.Error, key: "All declarations of an abstract member function must be consecutive." },
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Import_declaration_0_is_using_private_name_1: { code: 4000, category: DiagnosticCategory.Error, key: "Import declaration '{0}' is using private name '{1}'." },
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Type_parameter_0_of_exported_class_has_or_is_using_private_name_1: { code: 4002, category: DiagnosticCategory.Error, key: "Type parameter '{0}' of exported class has or is using private name '{1}'." },
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Type_parameter_0_of_exported_interface_has_or_is_using_private_name_1: { code: 4004, category: DiagnosticCategory.Error, key: "Type parameter '{0}' of exported interface has or is using private name '{1}'." },
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@ -1579,6 +1579,10 @@
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"category": "Error",
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"code": 2515
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},
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"All declarations of an abstract member function must be consecutive.": {
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"category": "Error",
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"code": 2516
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},
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"Import declaration '{0}' is using private name '{1}'.": {
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"category": "Error",
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"code": 4000
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