/// <summary>
/// Emit elements into an array
/// </summary>
private static void EmitElementArrayLoad(BaseExpressionElement[] elements, Type arrayElementType, YaleIlGenerator ilg, ExpressionContext context)
{
// Load the array length
LiteralElement.EmitLoad(elements.Length, ilg);
// Create the array
ilg.Emit(OpCodes.Newarr, arrayElementType);
// Store the new array in a unique local and remember the index
var local = ilg.DeclareLocal(arrayElementType.MakeArrayType());
var arrayLocalIndex = local.LocalIndex;
Utility.EmitStoreLocal(ilg, arrayLocalIndex);
for (var i = 0; i <= elements.Length - 1; i++)
{
// Load the array
Utility.EmitLoadLocal(ilg, arrayLocalIndex);
// Load the index
LiteralElement.EmitLoad(i, ilg);
// Emit the element (with any required conversions)
var element = elements[i];
element.Emit(ilg, context);
ImplicitConverter.EmitImplicitConvert(element.ResultType, arrayElementType, ilg);
// Store it into the array
Utility.EmitArrayStore(ilg, arrayElementType);
}
// Load the array
Utility.EmitLoadLocal(ilg, arrayLocalIndex);
}
private void EmitListIn(YaleIlGenerator ilg, ExpressionContext context, BranchManager branchManager)
{
var compareElement = new CompareElement();
var endLabel = branchManager.FindLabel("endLabel");
var trueTerminal = branchManager.FindLabel("trueTerminal");
// Cache the operand since we will be comparing against it a lot
var lb = ilg.DeclareLocal(operand.ResultType);
var targetIndex = lb.LocalIndex;
operand.Emit(ilg, context);
Utility.EmitStoreLocal(ilg, targetIndex);
// Wrap our operand in a local shim
var targetShim = new LocalBasedElement(operand, targetIndex);
// Emit the compares
foreach (var argumentElement in arguments)
{
compareElement.Initialize(targetShim, argumentElement, LogicalCompareOperation.Equal);
compareElement.Emit(ilg, context);
EmitBranchToTrueTerminal(ilg, trueTerminal, branchManager);
}
ilg.Emit(OpCodes.Ldc_I4_0);
ilg.Emit(OpCodes.Br_S, endLabel);
branchManager.MarkLabel(ilg, trueTerminal);
ilg.MarkLabel(trueTerminal);
ilg.Emit(OpCodes.Ldc_I4_1);
branchManager.MarkLabel(ilg, endLabel);
ilg.MarkLabel(endLabel);
}
