public Condition(ConditionSequence sequence, Label trueLabel, Label falseLabel)
{
Sequence = sequence;
TrueLabel = trueLabel;
FalseLabel = falseLabel;
Handled = false;
}
public Condition CompileCondition(Expression condition, ConditionSequence sequence, Label trueLabel = null, Label falseLabel = null)
{
var cond = new Condition(sequence, trueLabel, falseLabel);
CompileExpression(condition, false, false, cond);
if (cond.TrueLabel == null)
{
cond.TrueLabel = NewLabel();
}
if (cond.FalseLabel == null)
{
cond.FalseLabel = NewLabel();
}
if (!cond.Handled)
{
if (cond.Sequence == ConditionSequence.TrueFollows)
{
Branch(Opcodes.BrFalse, cond.FalseLabel);
}
else if (cond.Sequence == ConditionSequence.FalseFollows)
{
Branch(Opcodes.BrTrue, cond.TrueLabel);
}
else
{
Branch(Opcodes.BrTrue, cond.TrueLabel);
Branch(Opcodes.Br, cond.FalseLabel);
}
}
return(cond);
}
