Alexander Markov
28d7984e31
Issue: https://github.com/dart-lang/sdk/issues/61635 Change-Id: I7476ec7e66edd958c66e31dabcd6ab8d818594e5 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/509640 Reviewed-by: Slava Egorov <vegorov@google.com> Commit-Queue: Alexander Markov <alexmarkov@google.com>
58 lines
2.1 KiB
Dart
58 lines
2.1 KiB
Dart
// Copyright (c) 2026, 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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import 'package:cfg/ir/functions.dart';
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import 'package:cfg/ir/instructions.dart';
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import 'package:cfg/utils/misc.dart';
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import 'package:kernel/ast.dart' as ast;
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/// Prefix for the getter names.
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const String getterPrefix = 'get:';
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/// Prefix for the setter names.
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const String setterPrefix = 'set:';
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/// Prefix for the selectors in the dynamic calls.
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const String dynamicPrefix = 'dyn:';
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/// Identifier in the Dart program, in the VM conventions.
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///
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/// Public names are represented with [String] objects, while
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/// private names are represented with [PrivateName] objects.
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extension type Name._(Object /*String|PrivateName*/ raw) implements Object {
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/// If [library] is not null, create a private name.
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/// Otherwise, create a public name.
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factory Name(String text, ast.Library? library) =>
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Name._((library != null) ? PrivateName(text, library) : text);
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factory Name.interfaceCallSelector(CFunction interfaceTarget) {
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final simpleName = interfaceTarget.member.name.text;
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return Name(switch (interfaceTarget) {
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GetterFunction() => '$getterPrefix$simpleName',
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SetterFunction() => '$setterPrefix$simpleName',
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_ => simpleName,
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}, interfaceTarget.member.name.library);
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}
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factory Name.dynamicCallSelector(DynamicCallKind kind, ast.Name selector) {
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return Name(switch (kind) {
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.method => '$dynamicPrefix${selector.text}',
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.getter => '$dynamicPrefix$getterPrefix${selector.text}',
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.setter => '$dynamicPrefix$setterPrefix${selector.text}',
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}, selector.library);
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}
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}
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/// Private name in a [library].
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/// VM mangles such names with a library key (`@nnnn`).
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final class PrivateName(final String text, final ast.Library library) {
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@override
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bool operator ==(Object other) =>
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other is PrivateName && text == other.text && library == other.library;
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@override
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int get hashCode =>
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finalizeHash(combineHash(text.hashCode, library.hashCode));
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}
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