Fixups

protobuf/lib/src/protobuf/builder_info.dart

@@ -171,7 +171,7 @@ class BuilderInfo {
   // Repeated, not a message, group, or enum.
   void p<T>(int tagNumber, String name, FieldType fieldType,
       {String? protoName}) {
-    assert(!fieldType.isGroup && !fieldType.isMessage && !fieldType.isEnum);
+    assert(!fieldType.isGroupOrMessage && !fieldType.isEnum);
     addRepeated<T>(tagNumber, name, fieldType, getCheckFunction(fieldType),
         null, null, null,
         protoName: protoName);
@@ -184,7 +184,7 @@ class BuilderInfo {
       List<ProtobufEnum>? enumValues,
       ProtobufEnum? defaultEnumValue,
       String? protoName}) {
-    assert(fieldType.isGroup || fieldType.isMessage || fieldType.isEnum);
+    assert(fieldType.isGroupOrMessage || fieldType.isEnum);
     addRepeated<T>(tagNumber, name, fieldType, _checkNotNull, subBuilder,
         valueOf, enumValues,
         defaultEnumValue: defaultEnumValue, protoName: protoName);

protobuf/lib/src/protobuf/coded_buffer_writer.dart

@@ -81,9 +81,9 @@ class CodedBufferWriter {
 
     if (fieldType.isMap) {
       final keyWireFormat =
-          _wireTypes[_valueTypeIndex(fieldValue.keyFieldType)];
+          _baseTypeToWireType[fieldValue.keyFieldType.baseType.index];
       final valueWireFormat =
-          _wireTypes[_valueTypeIndex(fieldValue.valueFieldType)];
+          _baseTypeToWireType[fieldValue.valueFieldType.baseType.index];
 
       fieldValue.forEach((key, value) {
         _writeTag(fieldNumber, WIRETYPE_LENGTH_DELIMITED);
@@ -436,65 +436,6 @@ class CodedBufferWriter {
     }
   }
 
-  /// This function maps a power-of-2 value (2^0 .. 2^31) to a unique value
-  /// in the 0..31 range.
-  ///
-  /// For more details see "Using de Bruijn Sequences to Index a 1 in
-  /// a Computer Word"[1]
-  ///
-  /// Note: this is guaranteed to work after compilation to JavaScript
-  /// where multiplication becomes a floating point multiplication.
-  ///
-  /// [1] http://supertech.csail.mit.edu/papers/debruijn.pdf
-  int _valueTypeIndex(int powerOf2) {
-    assert(powerOf2 & (powerOf2 - 1) == 0, '$powerOf2 is not a power of 2');
-    return ((0x077CB531 * powerOf2) >> 27) & 31;
-  }
-
-  /// Precomputed indices for all FbFieldType._XYZ_BIT values:
-  ///
-  ///    _XYZ_BIT_INDEX = _valueTypeIndex(FbFieldType._XYZ_BIT)
-  ///
-  static const _BOOL_BIT_INDEX = 14;
-  static const _BYTES_BIT_INDEX = 29;
-  static const _STRING_BIT_INDEX = 27;
-  static const _DOUBLE_BIT_INDEX = 23;
-  static const _FLOAT_BIT_INDEX = 15;
-  static const _ENUM_BIT_INDEX = 31;
-  static const _GROUP_BIT_INDEX = 30;
-  static const _INT32_BIT_INDEX = 28;
-  static const _INT64_BIT_INDEX = 25;
-  static const _SINT32_BIT_INDEX = 18;
-  static const _SINT64_BIT_INDEX = 5;
-  static const _UINT32_BIT_INDEX = 11;
-  static const _UINT64_BIT_INDEX = 22;
-  static const _FIXED32_BIT_INDEX = 13;
-  static const _FIXED64_BIT_INDEX = 26;
-  static const _SFIXED32_BIT_INDEX = 21;
-  static const _SFIXED64_BIT_INDEX = 10;
-  static const _MESSAGE_BIT_INDEX = 20;
-
-  /// Mapping from value types to wire-types indexed by _valueTypeIndex(...).
-  static final Uint8List _wireTypes = Uint8List(32)
-    ..[_BOOL_BIT_INDEX] = WIRETYPE_VARINT
-    ..[_BYTES_BIT_INDEX] = WIRETYPE_LENGTH_DELIMITED
-    ..[_STRING_BIT_INDEX] = WIRETYPE_LENGTH_DELIMITED
-    ..[_DOUBLE_BIT_INDEX] = WIRETYPE_FIXED64
-    ..[_FLOAT_BIT_INDEX] = WIRETYPE_FIXED32
-    ..[_ENUM_BIT_INDEX] = WIRETYPE_VARINT
-    ..[_GROUP_BIT_INDEX] = WIRETYPE_START_GROUP
-    ..[_INT32_BIT_INDEX] = WIRETYPE_VARINT
-    ..[_INT64_BIT_INDEX] = WIRETYPE_VARINT
-    ..[_SINT32_BIT_INDEX] = WIRETYPE_VARINT
-    ..[_SINT64_BIT_INDEX] = WIRETYPE_VARINT
-    ..[_UINT32_BIT_INDEX] = WIRETYPE_VARINT
-    ..[_UINT64_BIT_INDEX] = WIRETYPE_VARINT
-    ..[_FIXED32_BIT_INDEX] = WIRETYPE_FIXED32
-    ..[_FIXED64_BIT_INDEX] = WIRETYPE_FIXED64
-    ..[_SFIXED32_BIT_INDEX] = WIRETYPE_FIXED32
-    ..[_SFIXED64_BIT_INDEX] = WIRETYPE_FIXED64
-    ..[_MESSAGE_BIT_INDEX] = WIRETYPE_LENGTH_DELIMITED;
-
   static final List<int> _baseTypeToWireType = [
     WIRETYPE_VARINT, // 0: bool
     WIRETYPE_LENGTH_DELIMITED, // 1: bytes

protobuf/lib/src/protobuf/extension_registry.dart

@@ -148,7 +148,7 @@ T _reparseMessage<T extends GeneratedMessage>(
     } else if (field is MapFieldInfo) {
       final messageMap = message._fieldSet._values[field.index!];
       if (messageMap == null) continue;
-      if (field.valueFieldType!.isGroup || field.valueFieldType!.isMessage) {
+      if (field.valueFieldType!.isGroupOrMessage) {
         for (var key in messageMap.keys) {
           final GeneratedMessage value = messageMap[key];
           final reparsedValue = _reparseMessage(value, extensionRegistry);

protobuf/lib/src/protobuf/field_error.dart

@@ -88,6 +88,7 @@ CheckFunc getCheckFunction(FieldType fieldType) {
     case FieldBaseType.enum_:
     case FieldBaseType.group:
     case FieldBaseType.message:
+    case FieldBaseType.map:
     case FieldBaseType.int64:
     case FieldBaseType.sint64:
     case FieldBaseType.sfixed64:
@@ -109,9 +110,6 @@ CheckFunc getCheckFunction(FieldType fieldType) {
     case FieldBaseType.uint32:
     case FieldBaseType.fixed32:
       return _checkUnsigned32;
-
-    case FieldBaseType.map:
-      throw ArgumentError('check function not implemented: $fieldType');
   }
 }
 

protobuf/lib/src/protobuf/field_info.dart

@@ -81,9 +81,7 @@ class FieldInfo<T> {
       : makeDefault = findMakeDefault(type, defaultOrMaker),
         check = null,
         protoName = protoName ?? _unCamelCase(name),
-        assert((!type.isGroup && !type.isMessage) ||
-            subBuilder != null ||
-            type.isMap),
+        assert(!type.isGroupOrMessage || subBuilder != null || type.isMap),
         assert(!type.isEnum || valueOf != null);
 
   // Represents a field that has been removed by a program transformation.
@@ -141,7 +139,7 @@ class FieldInfo<T> {
   /// That is, it doesn't contain any required fields that aren't initialized.
   bool _hasRequiredValues(value) {
     if (value == null) return !isRequired; // missing is okay if optional
-    if (!type.isGroup && !type.isMessage) return true; // primitive and present
+    if (!type.isGroupOrMessage) return true; // primitive and present
 
     if (!isRepeated) {
       // A required message: recurse.
@@ -164,7 +162,7 @@ class FieldInfo<T> {
   void _appendInvalidFields(List<String> problems, value, String prefix) {
     if (value == null) {
       if (isRequired) problems.add('$prefix$name');
-    } else if (!type.isGroup && !type.isMessage) {
+    } else if (!type.isGroupOrMessage) {
       // primitive and present
     } else if (!isRepeated) {
       // Required message/group: recurse.

protobuf/lib/src/protobuf/field_set.dart

@@ -799,11 +799,11 @@ class _FieldSet {
       fi = otherFi;
     }
 
-    var mustClone = otherFi.type.isGroup || otherFi.type.isMessage;
+    var mustClone = otherFi.type.isGroupOrMessage;
 
     if (fi!.isMapField) {
       var f = fi as MapFieldInfo<dynamic, dynamic>;
-      mustClone = f.valueFieldType!.isGroup || f.valueFieldType!.isMessage;
+      mustClone = f.valueFieldType!.isGroupOrMessage;
       var map = f._ensureMapField(meta, this) as PbMap<dynamic, dynamic>;
       if (mustClone) {
         for (MapEntry entry in fieldValue.entries) {

protobuf/lib/src/protobuf/field_type.dart

@@ -154,7 +154,6 @@ enum FieldBaseType {
   group,
 }
 
-/// Defines constants and functions for dealing with fieldType bits.
 class PbFieldType {
   static MakeDefaultFunc? _defaultForType(FieldType type) {
     switch (type.baseType) {

protobuf/lib/src/protobuf/json.dart

@@ -41,10 +41,8 @@ Map<String, dynamic> _writeToJsonMap(_FieldSet fs) {
 
       case FieldBaseType.group:
       case FieldBaseType.message:
-        return fieldValue.writeToJsonMap();
-
       case FieldBaseType.map:
-        throw 'Unknown type $FieldBaseType.map';
+        return fieldValue.writeToJsonMap();
     }
   }
 
@@ -271,6 +269,7 @@ dynamic _convertJsonValue(BuilderInfo meta, _FieldSet fs, value, int tagNumber,
 
     case FieldBaseType.group:
     case FieldBaseType.message:
+    case FieldBaseType.map:
       if (value is Map) {
         final messageValue = value as Map<String, dynamic>;
         var subMessage = meta._makeEmptyMessage(tagNumber, registry);
@@ -279,9 +278,6 @@ dynamic _convertJsonValue(BuilderInfo meta, _FieldSet fs, value, int tagNumber,
       }
       expectedType = 'nested message or group';
       break;
-
-    case FieldBaseType.map:
-      throw ArgumentError('Unknown type $fieldType');
   }
   throw ArgumentError('Expected type $expectedType, got $value');
 }

protobuf/lib/src/protobuf/pb_map.dart

@@ -115,7 +115,7 @@ class PbMap<K, V> extends MapBase<K, V> {
 
   PbMap freeze() {
     _isReadonly = true;
-    if (valueFieldType!.isGroup || valueFieldType!.isMessage) {
+    if (valueFieldType!.isGroupOrMessage) {
       for (var subMessage in values as Iterable<GeneratedMessage>) {
         subMessage.freeze();
       }

protobuf/lib/src/protobuf/proto3_json.dart

@@ -300,12 +300,10 @@ void _mergeFromProto3Json(
 
         case FieldBaseType.group:
         case FieldBaseType.message:
+        case FieldBaseType.map:
           var subMessage = fieldInfo.subBuilder!();
           recursionHelper(value, subMessage._fieldSet);
           return subMessage;
-
-        case FieldBaseType.map:
-          throw StateError('Unknown type $fieldType');
       }
     }