update the json protocol to include context messages, locations

pkgs/dart_services/analysis_options.yaml

@@ -12,6 +12,8 @@ analyzer:
   errors:
     lines_longer_than_80_chars: ignore
     unreachable_from_main: ignore
+    # Remove this once we remove the AnalysisIssue.sourceName field.
+    deprecated_member_use_from_same_package: ignore
 
 linter:
   rules:

pkgs/dart_services/lib/src/analysis_server.dart

@@ -381,6 +381,7 @@ abstract class AnalysisServerWrapper {
           error.contextMessages?.map((m) => proto.DiagnosticMessage()
                 ..message = utils.normalizeFilePaths(m.message)
                 ..line = m.location.startLine
+                ..column = m.location.startColumn
                 ..charStart = m.location.offset
                 ..charLength = m.location.length) ??
               [],

pkgs/dart_services/lib/src/common_server_api.dart

@@ -17,6 +17,7 @@ import 'protos/dart_services.pb.dart' as proto;
 import 'pub.dart';
 import 'scheduler.dart';
 import 'shared/model.dart' as api;
+import 'shared/services.dart';
 import 'shelf_cors.dart' as shelf_cors;
 
 export 'common_server_impl.dart' show log;
@@ -62,12 +63,25 @@ class CommonServerApi {
           return api.AnalysisIssue(
             kind: issue.kind,
             message: issue.message,
+            location: api.Location(
+              charStart: issue.charStart,
+              charLength: issue.charLength,
+              line: issue.line,
+              column: issue.column,
+            ),
             correction: issue.hasCorrection() ? issue.correction : null,
             url: issue.hasUrl() ? issue.url : null,
-            charStart: issue.charStart,
-            charLength: issue.charLength,
-            line: issue.line,
-            column: issue.column,
+            contextMessages: issue.diagnosticMessages.map((diagnostic) {
+              return api.DiagnosticMessage(
+                message: diagnostic.message,
+                location: Location(
+                  charStart: diagnostic.charStart,
+                  charLength: diagnostic.charLength,
+                  line: diagnostic.line,
+                  column: diagnostic.column,
+                ),
+              );
+            }).toList(),
           );
         }).toList(),
         packageImports: result.packageImports,

pkgs/dart_services/lib/src/protos/dart_services.pb.dart

@@ -888,6 +888,7 @@ class DiagnosticMessage extends $pb.GeneratedMessage {
     $core.int? line,
     $core.int? charStart,
     $core.int? charLength,
+    $core.int? column,
   }) {
     final $result = create();
     if (message != null) {
@@ -902,6 +903,9 @@ class DiagnosticMessage extends $pb.GeneratedMessage {
     if (charLength != null) {
       $result.charLength = charLength;
     }
+    if (column != null) {
+      $result.column = column;
+    }
     return $result;
   }
   DiagnosticMessage._() : super();
@@ -923,6 +927,7 @@ class DiagnosticMessage extends $pb.GeneratedMessage {
         protoName: 'charStart')
     ..a<$core.int>(4, _omitFieldNames ? '' : 'charLength', $pb.PbFieldType.O3,
         protoName: 'charLength')
+    ..a<$core.int>(5, _omitFieldNames ? '' : 'column', $pb.PbFieldType.O3)
     ..hasRequiredFields = false;
 
   @$core.Deprecated('Using this can add significant overhead to your binary. '
@@ -995,6 +1000,18 @@ class DiagnosticMessage extends $pb.GeneratedMessage {
   $core.bool hasCharLength() => $_has(3);
   @$pb.TagNumber(4)
   void clearCharLength() => clearField(4);
+
+  @$pb.TagNumber(5)
+  $core.int get column => $_getIZ(4);
+  @$pb.TagNumber(5)
+  set column($core.int v) {
+    $_setSignedInt32(4, v);
+  }
+
+  @$pb.TagNumber(5)
+  $core.bool hasColumn() => $_has(4);
+  @$pb.TagNumber(5)
+  void clearColumn() => clearField(5);
 }
 
 class VersionRequest extends $pb.GeneratedMessage {

pkgs/dart_services/lib/src/protos/dart_services.pbjson.dart

@@ -271,14 +271,15 @@ const DiagnosticMessage$json = {
     {'1': 'line', '3': 2, '4': 1, '5': 5, '10': 'line'},
     {'1': 'charStart', '3': 3, '4': 1, '5': 5, '10': 'charStart'},
     {'1': 'charLength', '3': 4, '4': 1, '5': 5, '10': 'charLength'},
+    {'1': 'column', '3': 5, '4': 1, '5': 5, '10': 'column'},
   ],
 };
 
 /// Descriptor for `DiagnosticMessage`. Decode as a `google.protobuf.DescriptorProto`.
 final $typed_data.Uint8List diagnosticMessageDescriptor = $convert.base64Decode(
     'ChFEaWFnbm9zdGljTWVzc2FnZRIYCgdtZXNzYWdlGAEgASgJUgdtZXNzYWdlEhIKBGxpbmUYAi'
     'ABKAVSBGxpbmUSHAoJY2hhclN0YXJ0GAMgASgFUgljaGFyU3RhcnQSHgoKY2hhckxlbmd0aBgE'
-    'IAEoBVIKY2hhckxlbmd0aA==');
+    'IAEoBVIKY2hhckxlbmd0aBIWCgZjb2x1bW4YBSABKAVSBmNvbHVtbg==');
 
 @$core.Deprecated('Use versionRequestDescriptor instead')
 const VersionRequest$json = {

pkgs/dart_services/protos/dart_services.proto

@@ -91,6 +91,7 @@ message DiagnosticMessage {
   int32 line = 2;
   int32 charStart = 3;
   int32 charLength = 4;
+  int32 column = 5;
 }
 
 message VersionRequest {}

pkgs/dart_services/test/server_v3_test.dart

@@ -95,7 +95,7 @@ void main() {
           issue.message,
           contains(
               "A value of type 'String' can't be assigned to a variable of type 'int'"));
-      expect(issue.line, 2);
+      expect(issue.location.line, 2);
     });
 
     test('complete', () async {

pkgs/dartpad_shared/analysis_options.yaml

@@ -5,6 +5,9 @@ analyzer:
     strict-casts: true
     strict-inference: true
     strict-raw-types: true
+  errors:
+    # Remove this once we remove the AnalysisIssue.sourceName field.
+    deprecated_member_use_from_same_package: ignore
 
 linter:
   rules:

pkgs/dartpad_shared/lib/model.dart

@@ -42,22 +42,21 @@ class AnalysisResponse {
 class AnalysisIssue {
   final String kind;
   final String message;
+  final Location location;
   final String? correction;
   final String? url;
-  final int charStart;
-  final int charLength;
-  final int line;
-  final int column;
+  final List<DiagnosticMessage>? contextMessages;
+  @Deprecated('Remove this once no longer referenced')
+  final String sourceName;
 
   AnalysisIssue({
     required this.kind,
     required this.message,
+    required this.location,
     this.correction,
     this.url,
-    this.charStart = -1,
-    this.charLength = 0,
-    this.line = -1,
-    this.column = -1,
+    this.contextMessages,
+    this.sourceName = 'main.dart',
   });
 
   factory AnalysisIssue.fromJson(Map<String, dynamic> json) =>
@@ -69,6 +68,42 @@ class AnalysisIssue {
   String toString() => '[$kind] $message';
 }
 
+@JsonSerializable()
+class Location {
+  final int charStart;
+  final int charLength;
+  final int line;
+  final int column;
+
+  Location({
+    this.charStart = -1,
+    this.charLength = 0,
+    this.line = -1,
+    this.column = -1,
+  });
+
+  factory Location.fromJson(Map<String, dynamic> json) =>
+      _$LocationFromJson(json);
+
+  Map<String, dynamic> toJson() => _$LocationToJson(this);
+}
+
+@JsonSerializable()
+class DiagnosticMessage {
+  final String message;
+  final Location location;
+
+  DiagnosticMessage({
+    required this.message,
+    required this.location,
+  });
+
+  factory DiagnosticMessage.fromJson(Map<String, dynamic> json) =>
+      _$DiagnosticMessageFromJson(json);
+
+  Map<String, dynamic> toJson() => _$DiagnosticMessageToJson(this);
+}
+
 @JsonSerializable()
 class CompileRequest {
   final String source;