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122 changes: 122 additions & 0 deletions
122
pkg/analyzer/lib/src/summary2/macro_type_location_storage.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| // Copyright (c) 2024, 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/dart/element/element.dart'; | ||
| import 'package:analyzer/src/summary2/data_reader.dart'; | ||
| import 'package:analyzer/src/summary2/data_writer.dart'; | ||
| import 'package:analyzer/src/summary2/macro_type_location.dart'; | ||
|
|
||
| class TypeAnnotationLocationReader { | ||
| final SummaryDataReader reader; | ||
| final Element? Function() readElement; | ||
|
|
||
| TypeAnnotationLocationReader({ | ||
| required this.reader, | ||
| required this.readElement, | ||
| }); | ||
|
|
||
| TypeAnnotationLocation read() { | ||
| var kind = reader.readEnum(_LocationKind.values); | ||
| switch (kind) { | ||
| case _LocationKind.aliasedType: | ||
| var parent = read(); | ||
| return AliasedTypeLocation(parent); | ||
| case _LocationKind.element: | ||
| var element = readElement()!; | ||
| return ElementTypeLocation(element); | ||
| case _LocationKind.extendsClause: | ||
| var parent = read(); | ||
| return ExtendsClauseTypeLocation(parent); | ||
| case _LocationKind.formalParameter: | ||
| return FormalParameterTypeLocation( | ||
| read(), | ||
| reader.readUInt30(), | ||
| ); | ||
| case _LocationKind.listIndex: | ||
| return ListIndexTypeLocation( | ||
| read(), | ||
| reader.readUInt30(), | ||
| ); | ||
| case _LocationKind.recordNamedField: | ||
| return RecordNamedFieldTypeLocation( | ||
| read(), | ||
| reader.readUInt30(), | ||
| ); | ||
| case _LocationKind.recordPositionalField: | ||
| return RecordPositionalFieldTypeLocation( | ||
| read(), | ||
| reader.readUInt30(), | ||
| ); | ||
| case _LocationKind.returnType: | ||
| var parent = read(); | ||
| return ReturnTypeLocation(parent); | ||
| case _LocationKind.variableType: | ||
| var parent = read(); | ||
| return VariableTypeLocation(parent); | ||
| default: | ||
| throw UnimplementedError('kind: $kind'); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| class TypeAnnotationLocationWriter { | ||
| final BufferedSink sink; | ||
| final void Function(Element element) writeElement; | ||
|
|
||
| TypeAnnotationLocationWriter({ | ||
| required this.sink, | ||
| required this.writeElement, | ||
| }); | ||
|
|
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| void write(TypeAnnotationLocation location) { | ||
| switch (location) { | ||
| case AliasedTypeLocation(): | ||
| sink.writeEnum(_LocationKind.aliasedType); | ||
| write(location.parent); | ||
| case ElementTypeLocation(): | ||
| sink.writeEnum(_LocationKind.element); | ||
| writeElement(location.element); | ||
| case ExtendsClauseTypeLocation(): | ||
| sink.writeEnum(_LocationKind.extendsClause); | ||
| write(location.parent); | ||
| case FormalParameterTypeLocation(): | ||
| sink.writeEnum(_LocationKind.formalParameter); | ||
| write(location.parent); | ||
| sink.writeUInt30(location.index); | ||
| case ListIndexTypeLocation(): | ||
| sink.writeEnum(_LocationKind.listIndex); | ||
| write(location.parent); | ||
| sink.writeUInt30(location.index); | ||
| case RecordNamedFieldTypeLocation(): | ||
| sink.writeEnum(_LocationKind.recordNamedField); | ||
| write(location.parent); | ||
| sink.writeUInt30(location.index); | ||
| case RecordPositionalFieldTypeLocation(): | ||
| sink.writeEnum(_LocationKind.recordPositionalField); | ||
| write(location.parent); | ||
| sink.writeUInt30(location.index); | ||
| case ReturnTypeLocation(): | ||
| sink.writeEnum(_LocationKind.returnType); | ||
| write(location.parent); | ||
| case VariableTypeLocation(): | ||
| sink.writeEnum(_LocationKind.variableType); | ||
| write(location.parent); | ||
| default: | ||
| // TODO(scheglov): Handle this case. | ||
| throw UnimplementedError('${location.runtimeType}'); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| enum _LocationKind { | ||
| aliasedType, | ||
| element, | ||
| extendsClause, | ||
| formalParameter, | ||
| listIndex, | ||
| recordNamedField, | ||
| recordPositionalField, | ||
| returnType, | ||
| variableType, | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -27,5 +27,5 @@ CHANNEL dev | |
| MAJOR 3 | ||
| MINOR 5 | ||
| PATCH 0 | ||
| PRERELEASE 229 | ||
| PRERELEASE 230 | ||
| PRERELEASE_PATCH 0 | ||