Record information about a summary's dependencies in the summary itself.

pkg/analyzer/lib/src/summary/format.dart

Index: pkg/analyzer/lib/src/summary/format.dart
diff --git a/pkg/analyzer/lib/src/summary/format.dart b/pkg/analyzer/lib/src/summary/format.dart
index be1de5469aec441fe7a762e6561fa2617fc1a872..626f4431234a2f108dd3e8aec202d43c8582f3b1 100644
--- a/pkg/analyzer/lib/src/summary/format.dart
+++ b/pkg/analyzer/lib/src/summary/format.dart
@@ -2099,6 +2099,7 @@ abstract class _LinkedUnitMixin implements idl.LinkedUnit {
 
 class PackageBundleBuilder extends Object with _PackageBundleMixin implements idl.PackageBundle {
   String _apiSignature;
+  List<PackageDependencyInfoBuilder> _dependencies;
   List<LinkedLibraryBuilder> _linkedLibraries;
   List<String> _linkedLibraryUris;
   int _majorVersion;
@@ -2120,6 +2121,16 @@ class PackageBundleBuilder extends Object with _PackageBundleMixin implements id
   }
 
   @override
+  List<PackageDependencyInfoBuilder> get dependencies => _dependencies ??= <PackageDependencyInfoBuilder>[];
+
+  /**
+   * Information about the packages this package depends on, if known.
+   */
+  void set dependencies(List<PackageDependencyInfoBuilder> _value) {
+    _dependencies = _value;
+  }
+
+  @override
   List<LinkedLibraryBuilder> get linkedLibraries => _linkedLibraries ??= <LinkedLibraryBuilder>[];
 
   /**
@@ -2195,8 +2206,9 @@ class PackageBundleBuilder extends Object with _PackageBundleMixin implements id
     _unlinkedUnitUris = _value;
   }
 
-  PackageBundleBuilder({String apiSignature, List<LinkedLibraryBuilder> linkedLibraries, List<String> linkedLibraryUris, int majorVersion, int minorVersion, List<String> unlinkedUnitHashes, List<UnlinkedUnitBuilder> unlinkedUnits, List<String> unlinkedUnitUris})
+  PackageBundleBuilder({String apiSignature, List<PackageDependencyInfoBuilder> dependencies, List<LinkedLibraryBuilder> linkedLibraries, List<String> linkedLibraryUris, int majorVersion, int minorVersion, List<String> unlinkedUnitHashes, List<UnlinkedUnitBuilder> unlinkedUnits, List<String> unlinkedUnitUris})
     : _apiSignature = apiSignature,
+      _dependencies = dependencies,
       _linkedLibraries = linkedLibraries,
       _linkedLibraryUris = linkedLibraryUris,
       _majorVersion = majorVersion,
@@ -2209,6 +2221,7 @@ class PackageBundleBuilder extends Object with _PackageBundleMixin implements id
    * Flush [informative] data recursively.
    */
   void flushInformative() {
+    _dependencies = null;
     _linkedLibraries?.forEach((b) => b.flushInformative());
     _unlinkedUnitHashes = null;
     _unlinkedUnits?.forEach((b) => b.flushInformative());
@@ -2262,6 +2275,7 @@ class PackageBundleBuilder extends Object with _PackageBundleMixin implements id
 
   fb.Offset finish(fb.Builder fbBuilder) {
     fb.Offset offset_apiSignature;
+    fb.Offset offset_dependencies;
     fb.Offset offset_linkedLibraries;
     fb.Offset offset_linkedLibraryUris;
     fb.Offset offset_unlinkedUnitHashes;
@@ -2270,6 +2284,9 @@ class PackageBundleBuilder extends Object with _PackageBundleMixin implements id
     if (_apiSignature != null) {
       offset_apiSignature = fbBuilder.writeString(_apiSignature);
     }
+    if (!(_dependencies == null || _dependencies.isEmpty)) {
+      offset_dependencies = fbBuilder.writeList(_dependencies.map((b) => b.finish(fbBuilder)).toList());
+    }
     if (!(_linkedLibraries == null || _linkedLibraries.isEmpty)) {
       offset_linkedLibraries = fbBuilder.writeList(_linkedLibraries.map((b) => b.finish(fbBuilder)).toList());
     }
@@ -2289,6 +2306,9 @@ class PackageBundleBuilder extends Object with _PackageBundleMixin implements id
     if (offset_apiSignature != null) {
       fbBuilder.addOffset(7, offset_apiSignature);
     }
+    if (offset_dependencies != null) {
+      fbBuilder.addOffset(8, offset_dependencies);
+    }
     if (offset_linkedLibraries != null) {
       fbBuilder.addOffset(0, offset_linkedLibraries);
     }
@@ -2333,6 +2353,7 @@ class _PackageBundleImpl extends Object with _PackageBundleMixin implements idl.
   _PackageBundleImpl(this._bc, this._bcOffset);
 
   String _apiSignature;
+  List<idl.PackageDependencyInfo> _dependencies;
   List<idl.LinkedLibrary> _linkedLibraries;
   List<String> _linkedLibraryUris;
   int _majorVersion;
@@ -2348,6 +2369,12 @@ class _PackageBundleImpl extends Object with _PackageBundleMixin implements idl.
   }
 
   @override
+  List<idl.PackageDependencyInfo> get dependencies {
+    _dependencies ??= const fb.ListReader<idl.PackageDependencyInfo>(const _PackageDependencyInfoReader()).vTableGet(_bc, _bcOffset, 8, const <idl.PackageDependencyInfo>[]);
+    return _dependencies;
+  }
+
+  @override
   List<idl.LinkedLibrary> get linkedLibraries {
     _linkedLibraries ??= const fb.ListReader<idl.LinkedLibrary>(const _LinkedLibraryReader()).vTableGet(_bc, _bcOffset, 0, const <idl.LinkedLibrary>[]);
     return _linkedLibraries;
@@ -2395,6 +2422,7 @@ abstract class _PackageBundleMixin implements idl.PackageBundle {
   Map<String, Object> toJson() {
     Map<String, Object> _result = <String, Object>{};
     if (apiSignature != '') _result["apiSignature"] = apiSignature;
+    if (dependencies.isNotEmpty) _result["dependencies"] = dependencies.map((_value) => _value.toJson()).toList();
     if (linkedLibraries.isNotEmpty) _result["linkedLibraries"] = linkedLibraries.map((_value) => _value.toJson()).toList();
     if (linkedLibraryUris.isNotEmpty) _result["linkedLibraryUris"] = linkedLibraryUris;
     if (majorVersion != 0) _result["majorVersion"] = majorVersion;
@@ -2408,6 +2436,7 @@ abstract class _PackageBundleMixin implements idl.PackageBundle {
   @override
   Map<String, Object> toMap() => {
     "apiSignature": apiSignature,
+    "dependencies": dependencies,
     "linkedLibraries": linkedLibraries,
     "linkedLibraryUris": linkedLibraryUris,
     "majorVersion": majorVersion,
@@ -2421,6 +2450,212 @@ abstract class _PackageBundleMixin implements idl.PackageBundle {
   String toString() => convert.JSON.encode(toJson());
 }
 
+class PackageDependencyInfoBuilder extends Object with _PackageDependencyInfoMixin implements idl.PackageDependencyInfo {
+  String _apiSignature;
+  List<String> _includedPackageNames;
+  bool _includesDartUris;
+  bool _includesFileUris;
+  String _summaryPath;
+
+  @override
+  String get apiSignature => _apiSignature ??= '';
+
+  /**
+   * API signature of this dependency.
+   */
+  void set apiSignature(String _value) {
+    _apiSignature = _value;
+  }
+
+  @override
+  List<String> get includedPackageNames => _includedPackageNames ??= <String>[];
+
+  /**
+   * If this dependency summarizes any files whose URI takes the form
+   * "package:<package_name>/...", a list of all such package names, sorted
+   * lexicographically.  Otherwise empty.
+   */
+  void set includedPackageNames(List<String> _value) {
+    _includedPackageNames = _value;
+  }
+
+  @override
+  bool get includesDartUris => _includesDartUris ??= false;
+
+  /**
+   * Indicates whether this dependency summarizes any files whose URI takes the
+   * form "dart:...".
+   */
+  void set includesDartUris(bool _value) {
+    _includesDartUris = _value;
+  }
+
+  @override
+  bool get includesFileUris => _includesFileUris ??= false;
+
+  /**
+   * Indicates whether this dependency summarizes any files whose URI takes the
+   * form "file:...".
+   */
+  void set includesFileUris(bool _value) {
+    _includesFileUris = _value;
+  }
+
+  @override
+  String get summaryPath => _summaryPath ??= '';
+
+  /**
+   * Relative path to the summary file for this dependency.  This is intended as
+   * a hint to help the analysis server locate summaries of dependencies.  We
+   * don't specify precisely what this path is relative to, but we expect it to
+   * be relative to a directory the analysis server can find (e.g. for projects
+   * built using Bazel, it would be relative to the "bazel-bin" directory).
+   *
+   * Absent if the path is not known.
+   */
+  void set summaryPath(String _value) {
+    _summaryPath = _value;
+  }
+
+  PackageDependencyInfoBuilder({String apiSignature, List<String> includedPackageNames, bool includesDartUris, bool includesFileUris, String summaryPath})
+    : _apiSignature = apiSignature,
+      _includedPackageNames = includedPackageNames,
+      _includesDartUris = includesDartUris,
+      _includesFileUris = includesFileUris,
+      _summaryPath = summaryPath;
+
+  /**
+   * Flush [informative] data recursively.
+   */
+  void flushInformative() {
+  }
+
+  /**
+   * Accumulate non-[informative] data into [signature].
+   */
+  void collectApiSignature(api_sig.ApiSignature signature) {
+    signature.addString(this._apiSignature ?? '');
+    signature.addString(this._summaryPath ?? '');
+    if (this._includedPackageNames == null) {
+      signature.addInt(0);
+    } else {
+      signature.addInt(this._includedPackageNames.length);
+      for (var x in this._includedPackageNames) {
+        signature.addString(x);
+      }
+    }
+    signature.addBool(this._includesFileUris == true);
+    signature.addBool(this._includesDartUris == true);
+  }
+
+  fb.Offset finish(fb.Builder fbBuilder) {
+    fb.Offset offset_apiSignature;
+    fb.Offset offset_includedPackageNames;
+    fb.Offset offset_summaryPath;
+    if (_apiSignature != null) {
+      offset_apiSignature = fbBuilder.writeString(_apiSignature);
+    }
+    if (!(_includedPackageNames == null || _includedPackageNames.isEmpty)) {
+      offset_includedPackageNames = fbBuilder.writeList(_includedPackageNames.map((b) => fbBuilder.writeString(b)).toList());
+    }
+    if (_summaryPath != null) {
+      offset_summaryPath = fbBuilder.writeString(_summaryPath);
+    }
+    fbBuilder.startTable();
+    if (offset_apiSignature != null) {
+      fbBuilder.addOffset(0, offset_apiSignature);
+    }
+    if (offset_includedPackageNames != null) {
+      fbBuilder.addOffset(2, offset_includedPackageNames);
+    }
+    if (_includesDartUris == true) {
+      fbBuilder.addBool(4, true);
+    }
+    if (_includesFileUris == true) {
+      fbBuilder.addBool(3, true);
+    }
+    if (offset_summaryPath != null) {
+      fbBuilder.addOffset(1, offset_summaryPath);
+    }
+    return fbBuilder.endTable();
+  }
+}
+
+class _PackageDependencyInfoReader extends fb.TableReader<_PackageDependencyInfoImpl> {
+  const _PackageDependencyInfoReader();
+
+  @override
+  _PackageDependencyInfoImpl createObject(fb.BufferContext bc, int offset) => new _PackageDependencyInfoImpl(bc, offset);
+}
+
+class _PackageDependencyInfoImpl extends Object with _PackageDependencyInfoMixin implements idl.PackageDependencyInfo {
+  final fb.BufferContext _bc;
+  final int _bcOffset;
+
+  _PackageDependencyInfoImpl(this._bc, this._bcOffset);
+
+  String _apiSignature;
+  List<String> _includedPackageNames;
+  bool _includesDartUris;
+  bool _includesFileUris;
+  String _summaryPath;
+
+  @override
+  String get apiSignature {
+    _apiSignature ??= const fb.StringReader().vTableGet(_bc, _bcOffset, 0, '');
+    return _apiSignature;
+  }
+
+  @override
+  List<String> get includedPackageNames {
+    _includedPackageNames ??= const fb.ListReader<String>(const fb.StringReader()).vTableGet(_bc, _bcOffset, 2, const <String>[]);
+    return _includedPackageNames;
+  }
+
+  @override
+  bool get includesDartUris {
+    _includesDartUris ??= const fb.BoolReader().vTableGet(_bc, _bcOffset, 4, false);
+    return _includesDartUris;
+  }
+
+  @override
+  bool get includesFileUris {
+    _includesFileUris ??= const fb.BoolReader().vTableGet(_bc, _bcOffset, 3, false);
+    return _includesFileUris;
+  }
+
+  @override
+  String get summaryPath {
+    _summaryPath ??= const fb.StringReader().vTableGet(_bc, _bcOffset, 1, '');
+    return _summaryPath;
+  }
+}
+
+abstract class _PackageDependencyInfoMixin implements idl.PackageDependencyInfo {
+  @override
+  Map<String, Object> toJson() {
+    Map<String, Object> _result = <String, Object>{};
+    if (apiSignature != '') _result["apiSignature"] = apiSignature;
+    if (includedPackageNames.isNotEmpty) _result["includedPackageNames"] = includedPackageNames;
+    if (includesDartUris != false) _result["includesDartUris"] = includesDartUris;
+    if (includesFileUris != false) _result["includesFileUris"] = includesFileUris;
+    if (summaryPath != '') _result["summaryPath"] = summaryPath;
+    return _result;
+  }
+
+  @override
+  Map<String, Object> toMap() => {
+    "apiSignature": apiSignature,
+    "includedPackageNames": includedPackageNames,
+    "includesDartUris": includesDartUris,
+    "includesFileUris": includesFileUris,
+    "summaryPath": summaryPath,
+  };
+
+  @override
+  String toString() => convert.JSON.encode(toJson());
+}
+
 class PackageIndexBuilder extends Object with _PackageIndexMixin implements idl.PackageIndex {
   List<idl.IndexSyntheticElementKind> _elementKinds;
   List<int> _elementNameClassMemberIds;