private void ResolveForListSearch()
{
CompareElement ce = new CompareElement();
// Validate that our operand is comparable to all elements in the list
foreach (ExpressionElement argumentElement in MyArguments)
{
ce.Initialize(MyOperand, argumentElement, LogicalCompareOperation.Equal);
ce.Validate();
}
}
private void EmitListIn(FleeILGenerator ilg, IServiceProvider services, BranchManager bm)
{
CompareElement ce = new CompareElement();
Label endLabel = bm.FindLabel("endLabel");
Label trueTerminal = bm.FindLabel("trueTerminal");
// Cache the operand since we will be comparing against it a lot
LocalBuilder lb = ilg.DeclareLocal(MyOperand.ResultType);
int targetIndex = lb.LocalIndex;
MyOperand.Emit(ilg, services);
Utility.EmitStoreLocal(ilg, targetIndex);
// Wrap our operand in a local shim
LocalBasedElement targetShim = new LocalBasedElement(MyOperand, targetIndex);
// Emit the compares
foreach (ExpressionElement argumentElement in MyArguments)
{
ce.Initialize(targetShim, argumentElement, LogicalCompareOperation.Equal);
ce.Emit(ilg, services);
EmitBranchToTrueTerminal(ilg, trueTerminal, bm);
}
ilg.Emit(OpCodes.Ldc_I4_0);
ilg.Emit(OpCodes.Br_S, endLabel);
bm.MarkLabel(ilg, trueTerminal);
ilg.MarkLabel(trueTerminal);
ilg.Emit(OpCodes.Ldc_I4_1);
bm.MarkLabel(ilg, endLabel);
ilg.MarkLabel(endLabel);
}
