private void EmitSwitchBucket(SwitchBucket switchBucket, object bucketFallThroughLabel)
{
if (switchBucket.LabelsCount == 1)
{
var c = switchBucket[0];
// if(key == constant)
// goto caseLabel;
ConstantValue constant = c.Key;
object caseLabel = c.Value;
this.EmitEqBranchForSwitch(constant, caseLabel);
}
else
{
// Emit key normalized to startConstant (i.e. key - startConstant)
// switch (N, label1, label2... labelN)
// goto fallThroughLabel;
this.EmitNormalizedSwitchKey(switchBucket.StartConstant, switchBucket.EndConstant, bucketFallThroughLabel);
// Create the labels array for emitting a switch instruction for the bucket
object[] labels = this.CreateBucketLabels(switchBucket);
// Emit the switch instruction
_builder.EmitSwitch(labels);
}
_builder.EmitBranch(ILOpCode.Br, bucketFallThroughLabel);
}