visitRecordLiteral method

@override Object? visitRecordLiteral(SRecordLiteral node)

Visit a SRecordLiteral.

Implementation

@override
Object? visitRecordLiteral(SRecordLiteral node) {
  final positional = <Object?>[];
  final named = <String, Object?>{};

  for (final field in node.fields) {
    if (field is SNamedExpression) {
      final name = field.name!.label!.name;
      final value = field.expression!.accept<Object?>(this);
      if (named.containsKey(name)) {
        throw RuntimeD4rtException(
          "Record literal field '$name' specified more than once.",
        );
      }
      named[name] = value;
    } else {
      // Positional field: expression
      if (named.isNotEmpty) {
        // As per Dart spec, positional fields must come before named fields
        throw RuntimeD4rtException(
          "Positional fields must come before named fields in record literal.",
        );
      }
      positional.add(field.accept<Object?>(this));
    }
  }
  Logger.debug("[visitRecordLiteral] Created record: ($positional, $named)");
  return InterpretedRecord(positional, named);
}