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// Copyright (c) 2016, 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.
library fasta.member_builder;
import 'package:kernel/ast.dart';
import '../kernel/hierarchy/class_member.dart';
import '../modifier.dart';
import 'builder.dart';
import 'class_builder.dart';
import 'declaration_builder.dart';
import 'extension_builder.dart';
import 'library_builder.dart';
import 'modifier_builder.dart';
abstract class MemberBuilder implements ModifierBuilder {
@override
String get name;
bool get isAssignable;
void set parent(Builder? value);
LibraryBuilder get library;
/// The [Member] built by this builder;
Member get member;
/// The [Member] to use when reading from this member builder.
///
/// For a field, a getter or a regular method this is the [member] itself.
/// For an instance extension method this is special tear-off function. For
/// a constructor, an operator, a factory or a setter this is `null`.
Member? get readTarget;
/// The [Member] to use when write to this member builder.
///
/// For an assignable field or a setter this is the [member] itself. For
/// a constructor, a non-assignable field, a getter, an operator or a regular
/// method this is `null`.
Member? get writeTarget;
/// The [Member] to use when invoking this member builder.
///
/// For a constructor, a field, a regular method, a getter, an operator or
/// a factory this is the [member] itself. For a setter this is `null`.
Member? get invokeTarget;
/// The members from this builder that are accessible in exports through
/// the name of the builder.
///
/// This is used to allow a single builder to create separate members for
/// the getter and setter capabilities.
Iterable<Member> get exportedMembers;
// TODO(johnniwinther): Remove this and create a [ProcedureBuilder] interface.
ProcedureKind? get kind;
@override
bool get isExternal;
bool get isAbstract;
/// Returns `true` if this member is a setter that conflicts with the implicit
/// setter of a field.
bool get isConflictingSetter;
/// Returns the [ClassMember]s for the non-setter members created for this
/// member builder.
///
/// This is normally the member itself, if not a setter, but for instance for
/// lowered late fields this can be synthesized members.
List<ClassMember> get localMembers;
/// Returns the [ClassMember]s for the setters created for this member
/// builder.
///
/// This is normally the member itself, if a setter, but for instance
/// lowered late fields this can be synthesized setters.
List<ClassMember> get localSetters;
}
abstract class MemberBuilderImpl extends ModifierBuilderImpl
implements MemberBuilder {
@override
String get name;
/// For top-level members, the parent is set correctly during
/// construction. However, for class members, the parent is initially the
/// library and updated later.
@override
Builder? parent;
@override
final Uri fileUri;
MemberBuilderImpl(this.parent, int charOffset, [Uri? fileUri])
: this.fileUri = (fileUri ?? parent?.fileUri)!,
super(parent, charOffset);
/// The builder for the enclosing class, if any.
ClassBuilder? get classBuilder =>
parent is ClassBuilder ? parent as ClassBuilder : null;
@override
LibraryBuilder get library {
if (parent is LibraryBuilder) {
LibraryBuilder library = parent as LibraryBuilder;
return library.partOfLibrary ?? library;
} else if (parent is ExtensionBuilder) {
ExtensionBuilder extension = parent as ExtensionBuilder;
return extension.library;
} else {
ClassBuilder cls = parent as ClassBuilder;
return cls.library;
}
}
@override
bool get isDeclarationInstanceMember => isDeclarationMember && !isStatic;
@override
bool get isClassInstanceMember => isClassMember && !isStatic;
@override
bool get isExtensionInstanceMember => isExtensionMember && !isStatic;
@override
bool get isDeclarationMember => parent is DeclarationBuilder;
@override
bool get isClassMember => parent is ClassBuilder;
@override
bool get isExtensionMember => parent is ExtensionBuilder;
@override
bool get isTopLevel => !isDeclarationMember;
@override
bool get isNative => false;
@override
bool get isExternal => (modifiers & externalMask) != 0;
@override
bool get isAbstract => (modifiers & abstractMask) != 0;
@override
bool get isConflictingSetter => false;
@override
String get fullNameForErrors => name;
}
/// Base class for implementing [ClassMember] for a [MemberBuilder].
abstract class BuilderClassMember implements ClassMember {
MemberBuilderImpl get memberBuilder;
@override
int get charOffset => memberBuilder.charOffset;
@override
ClassBuilder get classBuilder => memberBuilder.classBuilder!;
@override
Uri get fileUri => memberBuilder.fileUri;
@override
Name get name => memberBuilder.member.name;
@override
String get fullName {
String suffix = isSetter ? "=" : "";
String className = classBuilder.fullNameForErrors;
// ignore: unnecessary_null_comparison
return className == null
? "${fullNameForErrors}$suffix"
: "${className}.${fullNameForErrors}$suffix";
}
@override
String get fullNameForErrors => memberBuilder.fullNameForErrors;
@override
bool get isAssignable => memberBuilder.isAssignable;
@override
bool get isConst => memberBuilder.isConst;
@override
bool get isDuplicate => memberBuilder.isDuplicate;
@override
bool get isField => memberBuilder.isField;
@override
bool get isFinal => memberBuilder.isFinal;
@override
bool get isGetter => memberBuilder.isGetter;
@override
bool get isSetter => memberBuilder.isSetter;
@override
bool get isStatic => memberBuilder.isStatic;
@override
bool isObjectMember(ClassBuilder objectClass) {
return classBuilder == objectClass;
}
@override
bool get isAbstract => memberBuilder.member.isAbstract;
@override
bool get isSynthesized => false;
@override
bool get isInternalImplementation => false;
@override
bool get hasDeclarations => false;
@override
List<ClassMember> get declarations =>
throw new UnsupportedError("$runtimeType.declarations");
@override
ClassMember get interfaceMember => this;
@override
String toString() => '$runtimeType($fullName,forSetter=${forSetter})';
}