Konstantin Shcheglov
e97f1bdbf0
This should allow doing partial migration, specifically protocol files, which are imported by other libraries, but are a small library cycle that does not import much outside of it. Change-Id: I904c05d6d5b444ee9a9dbd1f7ada12aabdcc5165 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/193583 Reviewed-by: Brian Wilkerson <brianwilkerson@google.com> Commit-Queue: Konstantin Shcheglov <scheglov@google.com>
46 lines
1.5 KiB
Dart
46 lines
1.5 KiB
Dart
// Copyright (c) 2014, 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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// @dart = 2.9
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import 'api.dart';
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/// Visitor specialized for generating Dart code.
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class DartCodegenVisitor extends HierarchicalApiVisitor {
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/// Type references in the spec that are named something else in Dart.
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static const Map<String, String> _typeRenames = {
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'long': 'int',
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'object': 'Map',
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};
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DartCodegenVisitor(Api api) : super(api);
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/// Convert the given [TypeDecl] to a Dart type.
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String dartType(TypeDecl type) {
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if (type is TypeReference) {
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var typeName = type.typeName;
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var referencedDefinition = api.types[typeName];
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if (_typeRenames.containsKey(typeName)) {
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return _typeRenames[typeName];
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}
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if (referencedDefinition == null) {
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return typeName;
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}
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var referencedType = referencedDefinition.type;
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if (referencedType is TypeObject || referencedType is TypeEnum) {
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return typeName;
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}
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return dartType(referencedType);
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} else if (type is TypeList) {
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return 'List<${dartType(type.itemType)}>';
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} else if (type is TypeMap) {
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return 'Map<${dartType(type.keyType)}, ${dartType(type.valueType)}>';
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} else if (type is TypeUnion) {
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return 'dynamic';
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} else {
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throw Exception("Can't convert to a dart type");
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}
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}
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}
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