public static RecordStructuralTypeDef FromJson(DeserializationDomain domain, Json.ArrayExpression type)
{
if (domain.IsV08)
{
throw new NotSupportedException("Record types are only supported in Bonsai v0.9 or later.");
}
var count = type.ElementCount;
if (count is not 2 and not 3)
{
throw new BonsaiParseException("Expected 2 or 3 JSON array elements for a structural type definition.", type);
}
if (type.GetElement(1) is not Json.ArrayExpression membersJson)
{
throw new BonsaiParseException("Expected a JSON array in 'node[1]' for the structural type members.", type);
}
var membersCount = membersJson.ElementCount;
var members = new RecordStructuralTypeMember[membersCount];
for (var i = 0; i < membersCount; i++)
{
var memberJson = membersJson.GetElement(i);
var member = RecordStructuralTypeMember.FromJson(memberJson);
members[i] = member;
}
var hasValueEqualitySemantics = true;
if (count == 3)
{
var hasValueEqualitySemanticsExpr = type.GetElement(2);
if (hasValueEqualitySemanticsExpr.NodeType != Json.ExpressionType.Boolean)
{
throw new BonsaiParseException("Expected a JSON Boolean in 'node[2]' for the value equality semantics flag.", type);
}
hasValueEqualitySemantics = (bool)((Json.ConstantExpression)hasValueEqualitySemanticsExpr).Value;
}
return(new RecordStructuralTypeDef(hasValueEqualitySemantics, members));
}
private TypeDef AddTypeRecordStructural(StructuralTypeSlim type, ReadOnlyCollection <TypeSlim> genericArguments)
{
var properties = type.Properties;
var count = properties.Count;
var members = new RecordStructuralTypeMember[count];
for (var i = 0; i < count; i++)
{
var property = properties[i];
var member = new RecordStructuralTypeMember {
Name = property.Name, Type = AddType(property.PropertyType, genericArguments)
};
members[i] = member;
}
return(new RecordStructuralTypeDef(type.HasValueEqualitySemantics, members));
}
