private IEnumerable <Instruction> StoreStringInEventData(BodyBuilder builder, VariableDefinition item, ParameterDefinition param)
{
var pinned = builder.DeclareLocal(module.TypeSystem.String.MakePinnedType());
var pointer = builder.DeclareLocal(module.TypeSystem.Char.MakePointerType());
yield return(Instruction.Create(OpCodes.Ldarg, param));
yield return(Instruction.Create(OpCodes.Stloc, pinned));
yield return(Instruction.Create(OpCodes.Ldloc, pinned));
yield return(Instruction.Create(OpCodes.Conv_I));
yield return(Instruction.Create(OpCodes.Stloc, pointer));
var isnull = builder.DefineLabel();
yield return(Instruction.Create(OpCodes.Ldloc, pointer));
yield return(Instruction.Create(OpCodes.Brfalse, isnull));
yield return(Instruction.Create(OpCodes.Ldloc, pointer));
yield return(Instruction.Create(OpCodes.Call, module.ImportReference(RuntimeHelpers_OffsetToStringData_Get)));
yield return(Instruction.Create(OpCodes.Add));
yield return(Instruction.Create(OpCodes.Stloc, pointer));
yield return(isnull);
yield return(Instruction.Create(OpCodes.Ldloc, item));
yield return(Instruction.Create(OpCodes.Ldloc, pointer));
yield return(Instruction.Create(OpCodes.Call, module.ImportReference(IntPtr_Op_Explicit)));
yield return(Instruction.Create(OpCodes.Call, typeDefs.EventDataSetDataPointer));
yield return(Instruction.Create(OpCodes.Ldnull));
yield return(Instruction.Create(OpCodes.Stloc, pinned));
// data[].Size = (SringArg.Length + 1) * 2
yield return(Instruction.Create(OpCodes.Ldloc, item));
yield return(Instruction.Create(OpCodes.Ldarg, param));
yield return(Instruction.Create(OpCodes.Callvirt, module.ImportReference(String_Length_Get)));
yield return(Instruction.Create(OpCodes.Ldc_I4_1));
yield return(Instruction.Create(OpCodes.Add));
yield return(Instruction.Create(OpCodes.Ldc_I4_2));
yield return(Instruction.Create(OpCodes.Mul));
yield return(Instruction.Create(OpCodes.Call, typeDefs.EventDataSetSize));
}
private IEnumerable <Instruction> StoreBoolInEventData(BodyBuilder builder, VariableDefinition item, ParameterDefinition param)
{
var temp = builder.DeclareLocal(module.TypeSystem.Int32, reusable: true);
var @true = builder.DefineLabel();
var @next = builder.DefineLabel();
// var temp = param ? 1 : 0;
yield return(Instruction.Create(OpCodes.Ldarg, param));
yield return(Instruction.Create(OpCodes.Brtrue, @true));
yield return(Instruction.Create(OpCodes.Ldc_I4_0));
yield return(Instruction.Create(OpCodes.Br, @next));
yield return(@true);
yield return(Instruction.Create(OpCodes.Ldc_I4_1));
yield return(@next);
yield return(Instruction.Create(OpCodes.Stloc, temp));
////> item->Data = &temp;
yield return(Instruction.Create(OpCodes.Ldloc, item));
yield return(Instruction.Create(OpCodes.Ldloca, temp));
yield return(Instruction.Create(OpCodes.Conv_U));
yield return(Instruction.Create(OpCodes.Call, module.ImportReference(IntPtr_Op_Explicit)));
yield return(Instruction.Create(OpCodes.Call, typeDefs.EventDataSetDataPointer));
////> item->Size = 4;
yield return(Instruction.Create(OpCodes.Ldloc, item));
yield return(Instruction.Create(OpCodes.Ldc_I4_4));
yield return(Instruction.Create(OpCodes.Call, typeDefs.EventDataSetSize));
}
public IEnumerable <Instruction> Emit(BodyBuilder builder, MethodDefinition method, TraceMethod metadata)
{
log.Warn($"Using WriteEventCore fallback for {method}");
var parameters = method.Parameters;
var count = parameters.Count;
var data = builder.DeclareLocal(typeDefs.EventDataRef.MakePointerType());
var item = builder.DeclareLocal(typeDefs.EventDataRef.MakePointerType());
////> EventData* data = stackalloc EventData[4];
yield return(Instruction.Create(OpCodes.Ldc_I4, count));
yield return(Instruction.Create(OpCodes.Conv_U));
yield return(Instruction.Create(OpCodes.Sizeof, typeDefs.EventDataRef));
yield return(Instruction.Create(OpCodes.Mul_Ovf_Un));
yield return(Instruction.Create(OpCodes.Localloc));
yield return(Instruction.Create(OpCodes.Stloc, data));
////> EventData* item = data
yield return(Instruction.Create(OpCodes.Ldloc, data));
yield return(Instruction.Create(OpCodes.Stloc, item));
var first = true;
foreach (var p in parameters)
{
if (first)
{
first = false;
}
else
{
////> item ++;
yield return(Instruction.Create(OpCodes.Ldloc, item));
yield return(Instruction.Create(OpCodes.Sizeof, typeDefs.EventDataRef));
yield return(Instruction.Create(OpCodes.Add));
yield return(Instruction.Create(OpCodes.Stloc, item));
}
////> item->DataPointer = ...
////> item->Size = ...
var emitter = emitters[ResolveFullName(p)];
foreach (var i in emitter(builder, item, p))
{
yield return(i);
}
}
yield return(Instruction.Create(OpCodes.Ldarg_0));
yield return(Instruction.Create(OpCodes.Ldc_I4, metadata.Id));
yield return(Instruction.Create(OpCodes.Ldc_I4, count));
yield return(Instruction.Create(OpCodes.Ldloc, data));
yield return(Instruction.Create(OpCodes.Call, typeDefs.WriteEventCore));
}
