pkg/front_end/lib/src/fragment/getter.dart

// 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.

part of 'fragment.dart';

class GetterFragment implements Fragment, FunctionFragment {
  @override
  final String name;

  final Uri fileUri;
  final int startOffset;
  final int nameOffset;
  final int formalsOffset;
  final int endOffset;
  final bool isTopLevel;
  final List<MetadataBuilder>? metadata;
  final Modifiers modifiers;
  final TypeBuilder returnType;
  final NominalParameterNameSpace typeParameterNameSpace;
  final List<NominalParameterBuilder>? typeParameters;
  final LookupScope typeParameterScope;
  final List<FormalParameterBuilder>? formals;
  final AsyncMarker asyncModifier;
  final String? nativeMethodName;

  SourceProcedureBuilder? _builder;

  GetterFragment(
      {required this.name,
      required this.fileUri,
      required this.startOffset,
      required this.nameOffset,
      required this.formalsOffset,
      required this.endOffset,
      required this.isTopLevel,
      required this.metadata,
      required this.modifiers,
      required this.returnType,
      required this.typeParameters,
      required this.typeParameterNameSpace,
      required this.typeParameterScope,
      required this.formals,
      required this.asyncModifier,
      required this.nativeMethodName});

  @override
  SourceProcedureBuilder get builder {
    assert(_builder != null, "Builder has not been computed for $this.");
    return _builder!;
  }

  void set builder(SourceProcedureBuilder value) {
    assert(_builder == null, "Builder has already been computed for $this.");
    _builder = value;
  }

  @override
  FunctionBodyBuildingContext createFunctionBodyBuildingContext() {
    return new _GetterBodyBuildingContext(this);
  }

  @override
  String toString() => '$runtimeType($name,$fileUri,$nameOffset)';
}

class _GetterBodyBuildingContext implements FunctionBodyBuildingContext {
  GetterFragment _fragment;

  _GetterBodyBuildingContext(this._fragment);

  @override
  MemberKind get memberKind => _fragment.isTopLevel
      ? MemberKind.TopLevelMethod
      : (_fragment.modifiers.isStatic
          ? MemberKind.StaticMethod
          : MemberKind.NonStaticMethod);

  @override
  bool get shouldBuild => true;

  @override
  LocalScope computeFormalParameterScope(LookupScope typeParameterScope) {
    return _fragment.builder.computeFormalParameterScope(typeParameterScope);
  }

  @override
  LookupScope get typeParameterScope {
    return _fragment.typeParameterScope;
  }

  @override
  BodyBuilderContext createBodyBuilderContext() {
    return _fragment.builder.createBodyBuilderContext();
  }

  @override
  InferenceDataForTesting? get inferenceDataForTesting => _fragment
      .builder
      .dataForTesting
      // Coverage-ignore(suite): Not run.
      ?.inferenceData;

  @override
  List<TypeParameter>? get thisTypeParameters =>
      _fragment.builder.thisTypeParameters;

  @override
  VariableDeclaration? get thisVariable => _fragment.builder.thisVariable;
}