Files
sdk/pkg/kernel/lib/kernel.dart
T
Nate Biggs a4a4ca8a41 [dart2wasm] Dynamic modules
Missing from this implementation:
- Closure/dynamic calls with differing signatures
- Overrides with extra optional parameters
- Records with same shape defined in different dynamic modules
- Avoiding running TFA on dynamic module.
- Recompilation of only updateable functions from main module.
- Persist wasm def types from main module.

Testing is currently done locally via the dynamic_modules package test suite:
dart pkg/dynamic_modules/test/runner/main.dart --runtime=dart2wasm

Immediately after this lands we can introduce a new step to one of the wasm test matrix configurations that runs the above test suite (the VM has a similar configuration).

Change-Id: I3386d84be11b773842d45f4268a62a54c47e352b
Tested: Tested via new tests in dynamic_modules package. Tests run locally but will add to existing config.
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/397721
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Nate Biggs <natebiggs@google.com>
2025-02-11 13:59:46 -08:00

85 lines
2.5 KiB
Dart

// 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.
/// Conventions for paths:
///
/// - Use the [Uri] class for paths that may have the `file`, `dart` or
/// `package` scheme. Never use [Uri] for relative paths.
/// - Use [String]s for all filenames and paths that have no scheme prefix.
/// - Never translate a `dart:` or `package:` URI into a `file:` URI, instead
/// translate it to a [String] if the file system path is needed.
/// - Only use [File] from dart:io at the last moment when it is needed.
///
library kernel;
import 'dart:typed_data';
import 'ast.dart';
import 'binary/ast_to_binary.dart';
import 'binary/ast_from_binary.dart';
import 'dart:io';
import 'text/ast_to_text.dart';
export 'ast.dart';
Component loadComponentFromBinary(String path, [Component? component]) {
Uint8List bytes = new File(path).readAsBytesSync();
return loadComponentFromBytes(bytes, component);
}
Component loadComponentFromBytes(Uint8List bytes, [Component? component]) {
component ??= new Component();
new BinaryBuilder(bytes).readComponent(component);
return component;
}
Component loadComponentSourceFromBytes(Uint8List bytes,
[Component? component]) {
component ??= new Component();
new BinaryBuilder(bytes).readComponentSource(component);
return component;
}
Future writeComponentToBinary(Component component, String path,
{bool includeSource = true}) {
IOSink sink;
if (path == 'null' || path == 'stdout') {
sink = stdout.nonBlocking;
} else {
sink = new File(path).openWrite();
}
Future future;
try {
new BinaryPrinter(sink, includeSources: includeSource)
.writeComponentFile(component);
} finally {
if (sink == stdout.nonBlocking) {
future = sink.flush();
} else {
future = sink.close();
}
}
return future;
}
Uint8List writeComponentToBytes(Component component) {
BytesSink sink = new BytesSink();
new BinaryPrinter(sink).writeComponentFile(component);
return sink.builder.toBytes();
}
void writeComponentToText(Component component,
{String? path, bool showOffsets = false, bool showMetadata = false}) {
StringBuffer buffer = new StringBuffer();
new Printer(buffer, showOffsets: showOffsets, showMetadata: showMetadata)
.writeComponentFile(component);
if (path == null) {
print(buffer);
} else {
new File(path).writeAsStringSync('$buffer');
}
}