private static void EmitTerminals(ShortCircuitInfo info, FleeIlGenerator ilg, Label endLabel)
{
var flag = info.Branches.HasLabel(RuntimeHelpers.GetObjectValue(ourFalseTerminalKey));
if (flag)
{
var falseLabel = info.Branches.FindLabel(RuntimeHelpers.GetObjectValue(ourFalseTerminalKey));
ilg.MarkLabel(falseLabel);
MarkBranchTarget(info, falseLabel, ilg);
ilg.Emit(OpCodes.Ldc_I4_0);
var flag2 = info.Branches.HasLabel(RuntimeHelpers.GetObjectValue(ourTrueTerminalKey));
if (flag2)
{
ilg.Emit(OpCodes.Br_S, endLabel);
}
}
var flag3 = info.Branches.HasLabel(RuntimeHelpers.GetObjectValue(ourTrueTerminalKey));
if (flag3)
{
var trueLabel = info.Branches.FindLabel(RuntimeHelpers.GetObjectValue(ourTrueTerminalKey));
ilg.MarkLabel(trueLabel);
MarkBranchTarget(info, trueLabel, ilg);
ilg.Emit(OpCodes.Ldc_I4_1);
}
}
private void EmitListIn(FleeIlGenerator ilg, IServiceProvider services, BranchManager bm)
{
var ce = new CompareElement();
var endLabel = bm.FindLabel("endLabel");
var trueTerminal = bm.FindLabel("trueTerminal");
var lb = ilg.DeclareLocal(this.myOperand.ResultType);
var targetIndex = lb.LocalIndex;
this.myOperand.Emit(ilg, services);
Utility.EmitStoreLocal(ilg, targetIndex);
var targetShim = new LocalBasedElement(this.myOperand, targetIndex);
this.myArguments.ForEach(argumentElement =>
{
ce.Initialize(targetShim, argumentElement, LogicalCompareOperation.Equal);
ce.Emit(ilg, services);
EmitBranchToTrueTerminal(ilg, trueTerminal, bm);
});
//try
//{
// var enumerator = this.myArguments.GetEnumerator();
// while (enumerator.MoveNext())
// {
// var argumentElement = enumerator.Current;
// ce.Initialize(targetShim, argumentElement, LogicalCompareOperation.Equal);
// ce.Emit(ilg, services);
// EmitBranchToTrueTerminal(ilg, trueTerminal, bm);
// }
//}
//finally
//{
// List<ExpressionElement>.Enumerator enumerator;
// ((IDisposable)enumerator).Dispose();
//}
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);
}
private static void EmitOperand(ExpressionElement operand, ShortCircuitInfo info, FleeIlGenerator ilg,
IServiceProvider services)
{
var flag = info.Branches.HasLabel(operand);
if (flag)
{
var leftLabel = info.Branches.FindLabel(operand);
ilg.MarkLabel(leftLabel);
MarkBranchTarget(info, leftLabel, ilg);
}
operand.Emit(ilg, services);
}
private void EmitConditional(FleeIlGenerator ilg, IServiceProvider services, BranchManager bm)
{
var falseLabel = bm.FindLabel("falseLabel");
var endLabel = bm.FindLabel("endLabel");
this.myCondition.Emit(ilg, services);
var isTemp = ilg.IsTemp;
if (isTemp)
{
bm.AddBranch(ilg, falseLabel);
ilg.Emit(OpCodes.Brfalse_S, falseLabel);
}
else
{
var flag = !bm.IsLongBranch(ilg, falseLabel);
ilg.Emit(flag ? OpCodes.Brfalse_S : OpCodes.Brfalse, falseLabel);
}
this.myWhenTrue.Emit(ilg, services);
ImplicitConverter.EmitImplicitConvert(this.myWhenTrue.ResultType, this.myResultType, ilg);
var isTemp2 = ilg.IsTemp;
if (isTemp2)
{
bm.AddBranch(ilg, endLabel);
ilg.Emit(OpCodes.Br_S, endLabel);
}
else
{
var flag2 = !bm.IsLongBranch(ilg, endLabel);
ilg.Emit(flag2 ? OpCodes.Br_S : OpCodes.Br, endLabel);
}
bm.MarkLabel(ilg, falseLabel);
ilg.MarkLabel(falseLabel);
this.myWhenFalse.Emit(ilg, services);
ImplicitConverter.EmitImplicitConvert(this.myWhenFalse.ResultType, this.myResultType, ilg);
bm.MarkLabel(ilg, endLabel);
ilg.MarkLabel(endLabel);
}
private void EmitLogical(FleeIlGenerator ilg, ShortCircuitInfo info, IServiceProvider services)
{
info.Branches.GetLabel(RuntimeHelpers.GetObjectValue(ourEndLabelKey), ilg);
this.PopulateData(info);
EmitLogicalShortCircuit(ilg, info, services);
var terminalOperand = (ExpressionElement)info.Operands.Pop();
EmitOperand(terminalOperand, info, ilg, services);
var endLabel = info.Branches.FindLabel(RuntimeHelpers.GetObjectValue(ourEndLabelKey));
ilg.Emit(OpCodes.Br_S, endLabel);
EmitTerminals(info, ilg, endLabel);
ilg.MarkLabel(endLabel);
}
