Inject macro implementation into analyzer and CFE, test it.

The "macros" are just hardcoded for now.

pkgs/_analyzer_macros/analysis_options.yaml

@@ -0,0 +1 @@
+include: package:dart_flutter_team_lints/analysis_options.yaml

pkgs/_analyzer_macros/mono_pkg.yaml

@@ -0,0 +1,15 @@
+sdk:
+- pubspec
+- dev
+
+stages:
+- analyze_and_format:
+  - analyze: --fatal-infos .
+  - format:
+    sdk:
+    - dev
+- unit_test:
+  - test: --test-randomize-ordering-seed=random
+    os:
+    - linux
+    - windows

pkgs/_analyzer_macros/pubspec.yaml

@@ -0,0 +1,51 @@
+name: _analyzer_macros
+publish-to: none
+description: Macro support for the analyzer.
+resolution: workspace
+
+environment:
+  sdk: ^3.5.0-259.0.dev
+
+dev_dependencies:
+  _macros: any
+  analyzer: any
+  dart_flutter_team_lints: ^3.0.0
+  macros: any
+  test: ^1.25.0
+
+dependency_overrides:
+  _fe_analyzer_shared:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/_fe_analyzer_shared
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  _macros:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/_macros
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  analyzer:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/analyzer
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  analyzer_utilities:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/analyzer_utilities
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  heap_snapshot:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/heap_snapshot
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  linter:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/linter
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  vm_service:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/vm_service
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92

pkgs/_analyzer_macros/test/analyzer_test.dart

@@ -0,0 +1,146 @@
+// Copyright (c) 2024, 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.
+
+import 'dart:io';
+
+import 'package:_macros/src/executor.dart';
+import 'package:_macros/src/executor/serialization.dart';
+import 'package:analyzer/dart/analysis/analysis_context.dart';
+import 'package:analyzer/dart/analysis/analysis_context_collection.dart';
+import 'package:analyzer/dart/analysis/results.dart';
+import 'package:analyzer/src/summary2/macro_injected_impl.dart';
+import 'package:macros/macros.dart';
+import 'package:macros/src/executor.dart';
+import 'package:test/test.dart';
+
+void main() {
+  late AnalysisContext analysisContext;
+  late TestMacroPackageConfigs packageConfigs;
+  late TestMacroRunner runner;
+
+  group('analyzer with injected macro implementation', () {
+    setUp(() {
+      // Set up analyzer.
+      final directory = Directory('test/package_under_test');
+      final contextCollection =
+          AnalysisContextCollection(includedPaths: [directory.absolute.path]);
+      analysisContext = contextCollection.contexts.first;
+
+      // Inject test macro implementation.
+      packageConfigs = TestMacroPackageConfigs();
+      runner = TestMacroRunner();
+      macroImplementation =
+          MacroImplementation(packageConfigs: packageConfigs, runner: runner);
+    });
+
+    test('discovers macros, runs them, applies augmentations', () async {
+      final path = File('test/package_under_test/lib/apply_declare_x.dart')
+          .absolute
+          .path;
+
+      // No analysis errors.
+      final errors =
+          await analysisContext.currentSession.getErrors(path) as ErrorsResult;
+      expect(errors.errors, isEmpty);
+
+      // Macro was found by the analyzer and run.
+      expect(packageConfigs.macroWasFound, true);
+      expect(runner.macroWasRun, true);
+
+      // The expected new declaration augmentation was applied.
+      final resolvedLibrary = (await analysisContext.currentSession
+          .getResolvedLibrary(path)) as ResolvedLibraryResult;
+      final clazz = resolvedLibrary.element.getClass('ClassWithMacroApplied')!;
+      expect(clazz.fields, isEmpty);
+      expect(clazz.augmented.fields, isNotEmpty);
+      expect(clazz.augmented.fields.single.name, 'x');
+    });
+  });
+}
+
+class TestMacroPackageConfigs implements MacroPackageConfigs {
+  bool macroWasFound = false;
+
+  @override
+  bool isMacro(Uri uri, String name) {
+    final result =
+        uri.toString() == 'package:_test_macros/declare_x_macro.dart' &&
+            name == 'DeclareX';
+    if (result) {
+      macroWasFound = true;
+    }
+    return result;
+  }
+}
+
+class TestMacroRunner implements MacroRunner {
+  bool macroWasRun = false;
+
+  @override
+  RunningMacro run(Uri uri, String name) {
+    macroWasRun = true;
+    return TestRunningMacro();
+  }
+}
+
+class TestRunningMacro implements RunningMacro {
+  @override
+  Future<MacroExecutionResult> executeDeclarationsPhase(MacroTarget target,
+      DeclarationPhaseIntrospector declarationsPhaseIntrospector) async {
+    return TestMacroExecutionResult(typeAugmentations: {
+      (target as Declaration).identifier: [
+        DeclarationCode.fromParts(['int get x => 3;'])
+      ],
+    });
+  }
+
+  @override
+  Future<MacroExecutionResult> executeDefinitionsPhase(MacroTarget target,
+      DefinitionPhaseIntrospector definitionPhaseIntrospector) async {
+    return TestMacroExecutionResult();
+  }
+
+  @override
+  Future<MacroExecutionResult> executeTypesPhase(
+      MacroTarget target, TypePhaseIntrospector typePhaseIntrospector) async {
+    return TestMacroExecutionResult();
+  }
+}
+
+class TestMacroExecutionResult implements MacroExecutionResult {
+  @override
+  List<Diagnostic> get diagnostics => [];
+
+  @override
+  Map<Identifier, Iterable<DeclarationCode>> get enumValueAugmentations => {};
+
+  @override
+  MacroException? get exception => null;
+
+  @override
+  Map<Identifier, NamedTypeAnnotationCode> get extendsTypeAugmentations => {};
+
+  @override
+  Map<Identifier, Iterable<TypeAnnotationCode>> get interfaceAugmentations =>
+      {};
+
+  @override
+  Iterable<DeclarationCode> get libraryAugmentations => {};
+
+  @override
+  Map<Identifier, Iterable<TypeAnnotationCode>> get mixinAugmentations => {};
+
+  @override
+  Iterable<String> get newTypeNames => [];
+
+  @override
+  void serialize(Serializer serializer) {}
+
+  @override
+  Map<Identifier, Iterable<DeclarationCode>> typeAugmentations;
+
+  TestMacroExecutionResult(
+      {Map<Identifier, Iterable<DeclarationCode>>? typeAugmentations})
+      : typeAugmentations = typeAugmentations ?? {};
+}

pkgs/_analyzer_macros/test/package_under_test/analysis_options.yaml

@@ -0,0 +1,3 @@
+analyzer:
+  enable-experiment:
+    - macros

pkgs/_analyzer_macros/test/package_under_test/lib/apply_declare_x.dart

@@ -0,0 +1,8 @@
+// Copyright (c) 2024, 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.
+
+import 'package:_test_macros/declare_x_macro.dart';
+
+@DeclareX()
+class ClassWithMacroApplied {}

pkgs/_analyzer_macros/test/package_under_test/pubspec.yaml

@@ -0,0 +1,9 @@
+name: package_under_test
+publish-to: none
+resolution: workspace
+
+environment:
+  sdk: ^3.5.0-259.0.dev
+
+dependencies:
+  _test_macros: any

pkgs/_cfe_macros/analysis_options.yaml

@@ -0,0 +1 @@
+include: package:dart_flutter_team_lints/analysis_options.yaml

pkgs/_cfe_macros/mono_pkg.yaml

@@ -0,0 +1,15 @@
+sdk:
+- pubspec
+- dev
+
+stages:
+- analyze_and_format:
+  - analyze: --fatal-infos .
+  - format:
+    sdk:
+    - dev
+- unit_test:
+  - test: --test-randomize-ordering-seed=random
+    os:
+    - linux
+    - windows

pkgs/_cfe_macros/pubspec.yaml

@@ -0,0 +1,91 @@
+name: _cfe_macros
+publish-to: none
+description: Macro support for the CFE.
+resolution: workspace
+
+environment:
+  sdk: ^3.5.0-259.0.dev
+
+dev_dependencies:
+  dart_flutter_team_lints: ^3.0.0
+  front_end: any
+  frontend_server: any
+  macros: ^0.1.2-main.4
+  test: ^1.25.0
+
+dependency_overrides:
+  _js_interop_checks:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/_js_interop_checks
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  build_integration:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/build_integration
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  compiler:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/compiler
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  dart2js_info:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/dart2js_info
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  dart2wasm:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/dart2wasm
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  dev_compiler:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/dev_compiler
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  front_end:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/front_end
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  frontend_server:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/frontend_server
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  js_ast:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/js_ast
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  js_runtime:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/js_runtime
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  js_shared:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/js_shared
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  kernel:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/kernel
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  mmap:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/mmap
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  vm:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/vm
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92
+  wasm_builder:
+    git:
+      url: https://github.com/dart-lang/sdk.git
+      path: pkg/wasm_builder
+      ref: 9664f0da3547ccd92cf56d2bf362e333edfefd92