Ryan Macnak
8e05cd278c
After d65a60db00, we don't need AST with the bytecode to initialize a kernel compiler since the kernel compiler will initialize from a separate file.
Remove duplicated BinaryCacheMetadataRepository.
Fix generating bytecode in non-incremental mode.
Change-Id: Ica7bfb5a2d86dcc224849a9934a7a4676b01f075
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/119702
Commit-Queue: Ryan Macnak <rmacnak@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
71 lines
2.1 KiB
Dart
71 lines
2.1 KiB
Dart
// Copyright (c) 2018, 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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library vm.metadata.bytecode;
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import 'package:kernel/ast.dart'
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show BinarySink, BinarySource, MetadataRepository, Node, TreeNode;
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import '../bytecode/bytecode_serialization.dart'
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show BufferedWriter, BufferedReader, LinkWriter, LinkReader;
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import '../bytecode/declarations.dart' show Component;
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import 'dart:developer';
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class BytecodeMetadata {
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final Component component;
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BytecodeMetadata(this.component);
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void write(BufferedWriter writer) {
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Timeline.timeSync("BytecodeMetadata.write", () {
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component.write(writer);
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});
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}
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factory BytecodeMetadata.read(BufferedReader reader) {
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return Timeline.timeSync("BytecodeMetadata.read", () {
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return new BytecodeMetadata(new Component.read(reader));
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});
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}
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@override
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String toString() => "\n"
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"BytecodeMetadata {\n"
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"$component\n"
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"}\n";
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}
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/// Repository for [BytecodeMetadata].
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class BytecodeMetadataRepository extends MetadataRepository<BytecodeMetadata> {
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@override
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final String tag = 'vm.bytecode';
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@override
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final Map<TreeNode, BytecodeMetadata> mapping =
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<TreeNode, BytecodeMetadata>{};
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@override
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void writeToBinary(BytecodeMetadata metadata, Node node, BinarySink sink) {
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final bytecodeComponent = metadata.component;
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final linkWriter = new LinkWriter();
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final writer = new BufferedWriter(
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bytecodeComponent.version,
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bytecodeComponent.stringTable,
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bytecodeComponent.objectTable,
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linkWriter,
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baseOffset: sink.getBufferOffset());
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metadata.write(writer);
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sink.writeBytes(writer.takeBytes());
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}
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@override
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BytecodeMetadata readFromBinary(Node node, BinarySource source) {
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final linkReader = new LinkReader();
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final reader = new BufferedReader(-1, null, null, linkReader, source.bytes,
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baseOffset: source.currentOffset);
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final bytecodeComponent = new Component.read(reader);
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return new BytecodeMetadata(bytecodeComponent);
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}
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}
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