public static void InvokeJS(
string methodName,
object paramStruct,
[System.Runtime.CompilerServices.CallerMemberName] string?memberName = null
)
{
var paramStructType = paramStruct.GetType();
var paramSize = MarshalSizeOfHelper.SizeOf(paramStructType);
if (_logger.Value.IsEnabled(LogLevel.Trace))
{
_logger.Value.LogTrace($"InvokeJS for {memberName}/{paramStructType} (Alloc: {paramSize})");
}
var pParms = Marshal.AllocHGlobal(paramSize);
DumpStructureLayout(paramStructType);
Marshal.StructureToPtr(paramStruct, pParms, false);
WebAssemblyRuntime.InvokeJSUnmarshalled(methodName, pParms, out var exception);
Marshal.DestroyStructure(pParms, paramStructType);
Marshal.FreeHGlobal(pParms);
if (exception != null)
{
if (_logger.Value.IsEnabled(LogLevel.Error))
{
_logger.Value.LogError($"Failed InvokeJS for {memberName}/{paramStructType}: {exception}");
}
throw exception;
}
}
public static object InvokeJS(
string methodName,
object paramStruct,
Type retStructType,
[System.Runtime.CompilerServices.CallerMemberName] string?memberName = null
)
{
var paramStructType = paramStruct.GetType();
var returnSize = MarshalSizeOfHelper.SizeOf(retStructType);
var paramSize = MarshalSizeOfHelper.SizeOf(paramStructType);
if (_logger.Value.IsEnabled(LogLevel.Trace))
{
_logger.Value.LogTrace($"InvokeJS for {memberName}/{paramStructType}/{retStructType} (paramSize: {paramSize}, returnSize: {returnSize}");
}
DumpStructureLayout(paramStructType);
DumpStructureLayout(retStructType);
var pParms = Marshal.AllocHGlobal(paramSize);
var pReturnValue = Marshal.AllocHGlobal(returnSize);
try
{
Marshal.StructureToPtr(paramStruct, pParms, false);
var ret = WebAssemblyRuntime.InvokeJSUnmarshalled(methodName, pParms, pReturnValue);
var returnValue = Marshal.PtrToStructure(pReturnValue, retStructType);
return(returnValue !);
}
catch (Exception e)
{
if (_logger.Value.IsEnabled(LogLevel.Error))
{
_logger.Value.LogDebug($"Failed InvokeJS for {memberName}/{paramStructType}: {e}");
}
throw;
}
finally
{
Marshal.DestroyStructure(pParms, paramStructType);
Marshal.FreeHGlobal(pParms);
Marshal.DestroyStructure(pReturnValue, retStructType);
Marshal.FreeHGlobal(pReturnValue);
}
}