public static bool MatchesIgnoreVarNames(this CloneDesc p, string expectedCode)
{
RenameLocalVariableExpansion rename = new RenameLocalVariableExpansion();
var expected = AstMatchHelper.ParseToMethodDeclaration(expectedCode);
foreach (var prd in rename.FindCandidatesViaRefactoringPermutations(new TargetInfo(expected, p.PermutatedMethod), p.PermutatedMethod))
{
if (expected.Matches(prd))
{
return(true);
}
}
return(false);
}
public void ExerciseOnExtractedCandidateEvent()
{
const string codeText = @"
public class CloneInDoWhileBlock
{
void Foo()
{
do
{
int i = 7 + 8;
int j = 9 +10;
Console.WriteLine(i + j);
/* BEGIN */
Console.WriteLine(7);
/* END */
}
while (DateTime.Now < DateTime.Today);
}
private void Bar()
{
Console.WriteLine(7);
Console.WriteLine(7);
Console.WriteLine(7);
}
}";
MethodsOnASingleClassCloneFinder finder = new MethodsOnASingleClassCloneFinder(new OscillatingExtractMethodExpansionFactory());
CloneDesc largest = null;
finder.OnExtractedCandidate += ((sender, args) =>
{
TestLog.EmbedPlainText("Each: ", args.Candidate.PermutatedMethod.Print());
if (largest == null || largest.PermutatedMethod.CountNodes() < args.Candidate.PermutatedMethod.CountNodes())
{
largest = args.Candidate;
}
});
finder.GetCloneReplacements(codeText);
TestLog.EmbedPlainText("The largest:", largest.PermutatedMethod.Print());
}
public void DoCloneDetection(string codefile, MethodsOnASingleClassCloneFinder cloneFinder)
{
string codeText = File.ReadAllText(codefile);
TestLog.EmbedPlainText("The Code", codeText);
// System.Diagnostics.Debugger.Break();
IParser parser = ParserFactory.CreateParser(SupportedLanguage.CSharp, new StringReader(codeText));
parser.Parse();
if (parser.Errors.Count > 0)
{
throw new ApplicationException(string.Format("Expected no errors in the input code. Code was: {0} ErrorOutput: {1}", codeText,
parser.Errors.ErrorOutput));
}
var comments = parser.Lexer.SpecialTracker.RetrieveSpecials().OfType <Comment>();
if (comments.Any(x => x.CommentText.TrimStart().StartsWith("Ignore")))
{
throw new ApplicationException("Ignored.");
}
var begin_comment = comments.FirstOrDefault(x => x.CommentText.Contains("BEGIN"));
var end_comment = comments.FirstOrDefault(x => x.CommentText.Contains("END"));
if (begin_comment == null)
{
throw new ApplicationException("There was no comment containing the BEGIN keyword.");
}
if (end_comment == null)
{
throw new ApplicationException("There was no comment containing the END keyword.");
}
CloneDesc largest = null;
cloneFinder.OnExtractedCandidate += (finder, args) =>
{
if (largest == null)
{
largest = args.Candidate;
}
else if (args.Candidate.ReplacementInvocationInfo.ReplacementSectionStartLine >= begin_comment.StartPosition.Line &&
args.Candidate.ReplacementInvocationInfo.ReplacementSectionEndLine <= end_comment.EndPosition.Line &&
args.Candidate.PermutatedMethod.CountNodes() > largest.PermutatedMethod.CountNodes())
{
largest = args.Candidate;
}
};
var replacements = cloneFinder.GetCloneReplacements(parser.CompilationUnit);
int clone_count = replacements.Clones.Count;
TestLog.EmbedPlainText(clone_count + " clones found.");
for (int i = 0; i < replacements.Clones.Count; i++)
{
TestLog.EmbedPlainText(" ***** Clone #" + i + " *****", replacements.Clones[i].ToString());
}
TestLog.EmbedPlainText("The largest permutation found within the markers was:", largest.PermutatedMethod.Print());
var quickFixInfos = replacements.Clones.Where(Predicate(begin_comment, end_comment));
Assert.IsTrue(quickFixInfos.Count() > 0, "None of the clones found (there were " + clone_count + ") fell inbetween the BEGIN/END markers.");
var expected_call_snippet = begin_comment.CommentText.Substring(begin_comment.CommentText.IndexOf("BEGIN") + 5).Trim();
if (!string.IsNullOrEmpty(expected_call_snippet))
{
var expected_call = ParseUtilCSharp.ParseStatement <Statement>(expected_call_snippet);
var actual_cal = ParseUtilCSharp.ParseStatement <Statement>(quickFixInfos.First().TextForACallToJanga);
Assert.IsTrue(expected_call.MatchesPrint(actual_cal), "The expected call did not match the actual call. \n\tExpected Call: " + expected_call.Print() + "\n\t" + "Actual Call: " + actual_cal.Print());
}
}
