public virtual Differences VisitMethodCall(MethodCall call1, MethodCall call2){
Differences differences = new Differences(call1, call2);
if (call1 == null || call2 == null){
if (call1 != call2) differences.NumberOfDifferences++; else differences.NumberOfSimilarities++;
return differences;
}
MethodCall changes = (MethodCall)call2.Clone();
MethodCall deletions = (MethodCall)call2.Clone();
MethodCall insertions = (MethodCall)call2.Clone();
Differences diff = this.VisitExpression(call1.Callee, call2.Callee);
if (diff == null){Debug.Assert(false); return differences;}
changes.Callee = diff.Changes as Expression;
deletions.Callee = diff.Deletions as Expression;
insertions.Callee = diff.Insertions as Expression;
Debug.Assert(diff.Changes == changes.Callee && diff.Deletions == deletions.Callee && diff.Insertions == insertions.Callee);
differences.NumberOfDifferences += diff.NumberOfDifferences;
differences.NumberOfSimilarities += diff.NumberOfSimilarities;
if (call1.IsTailCall == call2.IsTailCall) differences.NumberOfSimilarities++; else differences.NumberOfDifferences++;
ExpressionList exprChanges, exprDeletions, exprInsertions;
diff = this.VisitExpressionList(call1.Operands, call2.Operands, out exprChanges, out exprDeletions, out exprInsertions);
if (diff == null){Debug.Assert(false); return differences;}
changes.Operands = exprChanges;
deletions.Operands = exprDeletions;
insertions.Operands = exprInsertions;
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 Expression VisitMethodCall(MethodCall call)
{
if (call == null) return null;
return base.VisitMethodCall((MethodCall)call.Clone());
}