internal static FieldDeclarationSyntax ToFieldDeclaration(this DataFromEntityFieldDescription dataFromEntityFieldDescription)
{
var dataFromEntityType = (dataFromEntityFieldDescription.AccessorDataType == PatchableMethod.AccessorDataType.ComponentDataFromEntity)
? "ComponentDataFromEntity" : "BufferFromEntity";
var accessAttribute = dataFromEntityFieldDescription.IsReadOnly ? "[Unity.Collections.ReadOnly]" : string.Empty;
var template = $@"{accessAttribute} public {dataFromEntityType}<{dataFromEntityFieldDescription.Type.ToFullName()}> {dataFromEntityFieldDescription.ToFieldName()};";
return((FieldDeclarationSyntax)SyntaxFactory.ParseMemberDeclaration(template));
}
// Gets or created a field declaration for a type as needed.
// This will first check if a RW one is available, if that is the case we should use that.
// If not it will check to see if a RO one is available, use that and promote to RW if needed.
// Finally, if we don't have one at all, let's create one with the appropriate access rights
internal DataFromEntityFieldDescription GetOrCreateDataAccessField(ITypeSymbol type, bool asReadOnly, PatchableMethod.AccessorDataType patchableMethodDataType)
{
if (DataFromEntityFields.TryGetValue(type, out var result))
{
if (result.IsReadOnly && !asReadOnly)
{
DataFromEntityFields[type] = new DataFromEntityFieldDescription(false, type, patchableMethodDataType);
}
return(DataFromEntityFields[type]);
}
DataFromEntityFields[type] = new DataFromEntityFieldDescription(asReadOnly, type, patchableMethodDataType);
return(DataFromEntityFields[type]);
}
internal static string ToFieldName(this DataFromEntityFieldDescription dataFromEntityFieldDescription) =>
$"__{dataFromEntityFieldDescription.Type.ToValidVariableName()}_FromEntity";
