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jyameojyameo
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Added support for some debugging APIs with the DDC library bundle format.
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9 files changed

+105
-20
lines changed

9 files changed

+105
-20
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‎dwds/CHANGELOG.md‎

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@@ -1,6 +1,7 @@
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## 24.2.1-wip
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- Update to be forward compatible with changes to `package:shelf_web_socket`.
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- Added support for some debugging APIs with the DDC library bundle format. - [#2537](https://github.com/dart-lang/webdev/issues/2537)
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## 24.2.0
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‎dwds/lib/src/debugging/dart_runtime_debugger.dart‎

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@@ -107,4 +107,53 @@ class DartRuntimeDebugger {
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// Use the helper method to wrap this in an IIFE
108108
return _wrapInIIFE(expression);
109109
}
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111+
/// Generates a JS expression for retrieving extension names.
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String getExtensionNamesJsExpression() {
113+
return _generateJsExpression(
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"${_loadStrategy.loadModuleSnippet}('dart_sdk').developer._extensions.keys.toList();",
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'dartDevEmbedder.debugger.extensionNames',
116+
);
117+
}
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119+
/// Generates a JS expression for retrieving library metadata.
120+
String getLibraryMetadataJsExpression(String libraryUri) {
121+
final expression = _buildExpression(
122+
'',
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"getLibraryMetadata('$libraryUri')",
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"getClassesInLibrary('$libraryUri')",
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);
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// Use the helper method to wrap this in an IIFE
127+
return _wrapInIIFE(expression);
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}
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/// Generates a JS expression for retrieving map elements.
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String getMapElementsJsExpression() {
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return _buildExpression(
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'',
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'getMapElements(this)',
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'getMapElements(this)',
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);
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}
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/// Generates a JS expression for dynamically loading an object's field.
140+
String dloadReplJsExpression(String fieldName) {
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return _generateJsExpression(
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_wrapWithSdkLoader('', 'dloadRepl(this, "$fieldName")'),
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'''
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function() {
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return this["$fieldName"];
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}
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''',
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);
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}
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/// Generates a JS expression for retrieving set elements.
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String getSetElementsJsExpression() {
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return _buildExpression(
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'',
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'getSetElements(this)',
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'getSetElements(this)',
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);
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}
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}

‎dwds/lib/src/debugging/inspector.dart‎

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@@ -192,11 +192,8 @@ class AppInspector implements AppInspectorInterface {
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/// Get the value of the field named [fieldName] from [receiver].
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@override
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Future<RemoteObject> loadField(RemoteObject receiver, String fieldName) {
195-
final load = '''
196-
function() {
197-
return ${globalToolConfiguration.loadStrategy.loadModuleSnippet}("dart_sdk").dart.dloadRepl(this, "$fieldName");
198-
}
199-
''';
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final load = globalToolConfiguration.loadStrategy.dartRuntimeDebugger
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.dloadReplJsExpression(fieldName);
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return jsCallFunctionOn(receiver, load, []);
201198
}
202199

@@ -748,8 +745,8 @@ class AppInspector implements AppInspectorInterface {
748745

749746
/// Runs an eval on the page to compute all existing registered extensions.
750747
Future<List<String>> _getExtensionRpcs() async {
751-
final expression =
752-
"${globalToolConfiguration.loadStrategy.loadModuleSnippet}('dart_sdk').developer._extensions.keys.toList();";
748+
final expression = globalToolConfiguration.loadStrategy.dartRuntimeDebugger
749+
.getExtensionNamesJsExpression();
753750
final extensionRpcs = <String>[];
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final params = {
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'expression': expression,

‎dwds/lib/src/debugging/instance.dart‎

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@@ -306,7 +306,8 @@ class InstanceHelper extends Domain {
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// We do this in in awkward way because we want the keys and values, but we
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// can't return things by value or some Dart objects will come back as
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// values that we need to be RemoteObject, e.g. a List of int.
309-
final expression = _jsRuntimeFunctionCall('getMapElements(this)');
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final expression = globalToolConfiguration.loadStrategy.dartRuntimeDebugger
310+
.getMapElementsJsExpression();
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311312
final keysAndValues = await inspector.jsCallFunctionOn(map, expression, []);
312313
final keys = await inspector.loadField(keysAndValues, 'keys');
@@ -674,8 +675,8 @@ class InstanceHelper extends Domain {
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final length = metaData.length;
675676
final objectId = remoteObject.objectId;
676677
if (objectId == null) return null;
677-
678-
final expression = _jsRuntimeFunctionCall('getSetElements(this)');
678+
final expression = globalToolConfiguration.loadStrategy.dartRuntimeDebugger
679+
.getSetElementsJsExpression();
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680681
final result =
681682
await inspector.jsCallFunctionOn(remoteObject, expression, []);

‎dwds/lib/src/debugging/libraries.dart‎

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@@ -82,13 +82,8 @@ class LibraryHelper extends Domain {
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final libraryUri = libraryRef.uri;
8383
if (libraryId == null || libraryUri == null) return null;
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// Fetch information about all the classes in this library.
85-
final expression = '''
86-
(function() {
87-
const sdk = ${globalToolConfiguration.loadStrategy.loadModuleSnippet}('dart_sdk');
88-
const dart = sdk.dart;
89-
return dart.getLibraryMetadata('$libraryUri');
90-
})()
91-
''';
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final expression = globalToolConfiguration.loadStrategy.dartRuntimeDebugger
86+
.getLibraryMetadataJsExpression(libraryUri);
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9388
RemoteObject? result;
9489
try {

‎dwds/test/instances/common/instance_inspection_common.dart‎

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@@ -1,4 +1,4 @@
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// Copyright (c) 2023, the Dart project authors. Please see the AUTHORS file
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// Copyright (c) 2023-2024, 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
33
// BSD-style license that can be found in the LICENSE file.
44

@@ -62,6 +62,7 @@ void runTests({
6262
verboseCompiler: debug,
6363
canaryFeatures: canaryFeatures,
6464
experiments: ['records'],
65+
moduleFormat: provider.ddcModuleFormat,
6566
),
6667
);
6768
service = context.debugConnection.vmService;

‎dwds/test/instances/instance_inspection_canary_test.dart‎ renamed to ‎dwds/test/instances/instance_inspection_amd_canary_test.dart‎

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@@ -1,4 +1,4 @@
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// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
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// Copyright (c) 2020-2024, the Dart project authors. Please see the AUTHORS file
22
// for details. All rights reserved. Use of this source code is governed by a
33
// BSD-style license that can be found in the LICENSE file.
44

@@ -7,6 +7,7 @@
77
@Timeout(Duration(minutes: 2))
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library;
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10+
import 'package:dwds/src/services/expression_compiler.dart';
1011
import 'package:test/test.dart';
1112
import 'package:test_common/test_sdk_configuration.dart';
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@@ -22,6 +23,7 @@ void main() {
2223
final provider = TestSdkConfigurationProvider(
2324
verbose: debug,
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canaryFeatures: canaryFeatures,
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ddcModuleFormat: ModuleFormat.amd,
2527
);
2628
tearDownAll(provider.dispose);
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‎dwds/test/instances/instance_inspection_test.dart‎ renamed to ‎dwds/test/instances/instance_inspection_amd_test.dart‎

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@@ -1,4 +1,4 @@
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// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
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// Copyright (c) 2020-2024, the Dart project authors. Please see the AUTHORS file
22
// for details. All rights reserved. Use of this source code is governed by a
33
// BSD-style license that can be found in the LICENSE file.
44

@@ -7,6 +7,7 @@
77
@Timeout(Duration(minutes: 2))
88
library;
99

10+
import 'package:dwds/src/services/expression_compiler.dart';
1011
import 'package:test/test.dart';
1112
import 'package:test_common/test_sdk_configuration.dart';
1213

@@ -22,6 +23,7 @@ void main() {
2223
final provider = TestSdkConfigurationProvider(
2324
verbose: debug,
2425
canaryFeatures: canaryFeatures,
26+
ddcModuleFormat: ModuleFormat.amd,
2527
);
2628
tearDownAll(provider.dispose);
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‎dwds/test/instances/instance_inspection_ddc_library_bundle_test.dart‎

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@@ -0,0 +1,37 @@
1+
// Copyright (c) 2024, 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
3+
// BSD-style license that can be found in the LICENSE file.
4+
5+
@Tags(['daily'])
6+
@TestOn('vm')
7+
@Timeout(Duration(minutes: 2))
8+
library;
9+
10+
import 'package:dwds/expression_compiler.dart';
11+
import 'package:test/test.dart';
12+
import 'package:test_common/test_sdk_configuration.dart';
13+
14+
import '../fixtures/context.dart';
15+
import 'common/instance_inspection_common.dart';
16+
17+
void main() {
18+
// Enable verbose logging for debugging.
19+
final debug = false;
20+
final canaryFeatures = true;
21+
final compilationMode = CompilationMode.frontendServer;
22+
23+
group('canary: $canaryFeatures |', () {
24+
final provider = TestSdkConfigurationProvider(
25+
verbose: debug,
26+
canaryFeatures: canaryFeatures,
27+
ddcModuleFormat: ModuleFormat.ddc,
28+
);
29+
tearDownAll(provider.dispose);
30+
runTests(
31+
provider: provider,
32+
compilationMode: compilationMode,
33+
canaryFeatures: canaryFeatures,
34+
debug: debug,
35+
);
36+
});
37+
}

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