public virtual Differences VisitSwitchInstruction(SwitchInstruction switchInstruction1, SwitchInstruction switchInstruction2){
Differences differences = new Differences(switchInstruction1, switchInstruction2);
if (switchInstruction1 == null || switchInstruction2 == null){
if (switchInstruction1 != switchInstruction2) differences.NumberOfDifferences++; else differences.NumberOfSimilarities++;
return differences;
}
SwitchInstruction changes = (SwitchInstruction)switchInstruction2.Clone();
SwitchInstruction deletions = (SwitchInstruction)switchInstruction2.Clone();
SwitchInstruction insertions = (SwitchInstruction)switchInstruction2.Clone();
Differences diff = this.VisitExpression(switchInstruction1.Expression, switchInstruction2.Expression);
if (diff == null){Debug.Assert(false); return differences;}
changes.Expression = diff.Changes as Expression;
deletions.Expression = diff.Deletions as Expression;
insertions.Expression = diff.Insertions as Expression;
Debug.Assert(diff.Changes == changes.Expression && diff.Deletions == deletions.Expression && diff.Insertions == insertions.Expression);
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
BlockList blockChanges, blockDeletions, blockInsertions;
diff = this.VisitBlockList(switchInstruction1.Targets, switchInstruction2.Targets, out blockChanges, out blockDeletions, out blockInsertions);
if (diff == null){Debug.Assert(false); return differences;}
changes.Targets = blockChanges;
deletions.Targets = blockDeletions;
insertions.Targets = blockInsertions;
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
if (differences.NumberOfDifferences == 0){
differences.Changes = null;
differences.Deletions = null;
differences.Insertions = null;
}else{
differences.Changes = changes;
differences.Deletions = deletions;
differences.Insertions = insertions;
}
return differences;
}
public override Statement VisitSwitchInstruction(SwitchInstruction switchInstruction)
{
if (switchInstruction == null) return null;
switchInstruction = (SwitchInstruction)base.VisitSwitchInstruction((SwitchInstruction)switchInstruction.Clone());
if (switchInstruction == null) return null;
switchInstruction.Targets = this.VisitBlockList(switchInstruction.Targets);
return switchInstruction;
}
