/// <summary>
/// Imports a BiGramCollection from disk
/// </summary>
/// <param name="filename">Input file</param>
/// <returns>BiGram collection</returns>
public static BiGramCollection Import(string filename)
{
TextReader file = new StreamReader(filename);
BiGramCollection bigrams = new BiGramCollection();
int lineNumber = 0;
string line;
while ((line = file.ReadLine()) != null)
{
lineNumber++;
if (String.IsNullOrWhiteSpace(line))
continue;
string caller, callee;
try
{
string[] split = line.Split('\t');
caller = split[0];
callee = split[1];
}
catch (IndexOutOfRangeException e)
{
throw new DevelopmentKitException("Error in bigram file format on line " + lineNumber, e);
}
bigrams.Add(new BiGram(caller, callee));
}
return bigrams;
}
/// <summary>
/// Imports a BiGramCollection from disk
/// </summary>
/// <param name="filename">Input file</param>
/// <returns>BiGram collection</returns>
public static BiGramCollection Import(string filename)
{
TextReader file = new StreamReader(filename);
BiGramCollection bigrams = new BiGramCollection();
int lineNumber = 0;
string line;
while ((line = file.ReadLine()) != null)
{
lineNumber++;
if (String.IsNullOrWhiteSpace(line))
{
continue;
}
string caller, callee;
try
{
string[] split = line.Split('\t');
caller = split[0];
callee = split[1];
}
catch (IndexOutOfRangeException e)
{
throw new DevelopmentKitException("Error in bigram file format on line " + lineNumber, e);
}
bigrams.Add(new BiGram(caller, callee));
}
return(bigrams);
}
/// <summary>
/// Generates a BiGramCollection from a file
/// </summary>
/// <param name="filename">Input file</param>
/// <returns>BiGram collection</returns>
public static BiGramCollection GenerateBiGrams(string filename)
{
TextReader brTrace = new StreamReader(filename);
BiGramCollection bigrams = new BiGramCollection();
int lineNumber = 0;
Dictionary <string, string> idToClass = new Dictionary <string, string>();
Dictionary <string, string> idToMethod = new Dictionary <string, string>();
// Stack<methodID>
Dictionary <string, Stack <string> > threadToMethodsStackTranslator = new Dictionary <string, Stack <string> >();
string currentLine;
while ((currentLine = brTrace.ReadLine()) != null)
{
lineNumber++;
string[] traceLineSplit;
// classDef
if (currentLine.StartsWith("<classDef "))
{
traceLineSplit = currentLine.Split(' ');
if (traceLineSplit[1].StartsWith("name=") == false)
{
throw new Exception();
}
if (traceLineSplit[2].StartsWith("sourceName=") == false)
{
throw new Exception();
}
if (traceLineSplit[3].StartsWith("classId=") == false)
{
throw new Exception();
}
string name = ExtractValueFromQuotes(traceLineSplit[1]);
string classID = ExtractValueFromQuotes(traceLineSplit[3]);
//System.out.println(classID+"\t"+name);
idToClass.Add(classID, name);
continue;
}
// methodDef
if (currentLine.StartsWith("<methodDef "))
{
traceLineSplit = currentLine.Split(' ');
if (traceLineSplit[1].StartsWith("name=") == false)
{
throw new Exception();
}
if (traceLineSplit[2].StartsWith("signature=") == false)
{
throw new Exception();
}
if (traceLineSplit[3].StartsWith("startLineNumber=") == false)
{
throw new Exception();
}
if (traceLineSplit[4].StartsWith("endLineNumber=") == false)
{
throw new Exception();
}
if (traceLineSplit[5].StartsWith("methodId=") == false)
{
throw new Exception();
}
if (traceLineSplit[6].StartsWith("classIdRef=") == false)
{
throw new Exception();
}
string name = ExtractValueFromQuotes(traceLineSplit[1]);
string signature = ExtractValueFromQuotes(traceLineSplit[2]);
string methodID = ExtractValueFromQuotes(traceLineSplit[5]);
string classID = ExtractValueFromQuotes(traceLineSplit[6]);
//System.out.println("#"+name+"\t"+signature+"\t"+methodID+"\t"+classID);
//leave all the names in; the methods that are not in the corpus will be eliminated because they will not have an ID
if (name.Equals("-init-"))
{
string fullClassName = idToClass[classID];
//System.out.println("\tfullClassName="+fullClassName);
string className = fullClassName.Substring(fullClassName.LastIndexOf("/") + 1);
// remove "outer" classes from inner classes
if (className.IndexOf("$") > 0)
{
//System.out.println(currentLine);
className = className.Substring(className.LastIndexOf("$") + 1);
}
name = className;
//System.out.println("\tclassName="+className);
//System.out.println("\tname="+name);
}
if (name.EndsWith("$"))
{
name = name.Substring(0, name.LastIndexOf("$"));
}
string fullMethodName = idToClass[classID] + "#" + name;
fullMethodName = fullMethodName.Replace('/', '.');
fullMethodName = fullMethodName.Replace('#', '.');
fullMethodName = fullMethodName.Replace('$', '.');
//System.out.println("MethodName="+fullMethodName);
idToMethod.Add(methodID, fullMethodName);
continue;
}
// methodEntry
if (currentLine.StartsWith("<methodEntry "))
{
traceLineSplit = currentLine.Split(' ');
if (traceLineSplit[1].StartsWith("threadIdRef=") == false)
{
throw new Exception();
}
if (traceLineSplit[2].StartsWith("time=") == false)
{
throw new Exception();
}
if (traceLineSplit[3].StartsWith("methodIdRef=") == false)
{
throw new Exception();
}
if (traceLineSplit[4].StartsWith("classIdRef=") == false)
{
throw new Exception();
}
if (traceLineSplit[5].StartsWith("ticket=") == false)
{
throw new Exception();
}
if (traceLineSplit[6].StartsWith("stackDepth=") == false)
{
throw new Exception();
}
string threadID = ExtractValueFromQuotes(traceLineSplit[1]);
string methodIDTrace = ExtractValueFromQuotes(traceLineSplit[3]);
//Stack<PairMethodIDTraceMethodIDCorpus> currentThreadMethodsStack=threadToMethodsStackTranslator.get(threadID);
if (!threadToMethodsStackTranslator.ContainsKey(threadID))
{
threadToMethodsStackTranslator.Add(threadID, new Stack <string>());
}
//string fullMethodName = idToMethod[methodIDTrace];
//string IDCorpusForFullMethodName = inputOutput.getPositionOfMethodMappingInCorpus(fullMethodName);
//PairMethodIDTraceMethodIDCorpus parentMethod=null;
string parentMethodID = null;
try
{
parentMethodID = threadToMethodsStackTranslator[threadID].Peek();
}
catch (InvalidOperationException)
{
// stack is empty
// do nothing, we will be adding childMethodID
}
//PairMethodIDTraceMethodIDCorpus childMethod=new PairMethodIDTraceMethodIDCorpus(methodIDTrace,fullMethodName,IDCorpusForFullMethodName);
//string childMethod = fullMethodName;
string childMethodID = methodIDTrace;
threadToMethodsStackTranslator[threadID].Push(childMethodID);
if (threadToMethodsStackTranslator[threadID].Count == 1)
{
//if its only 1 element, it couldn't have been called by anything
continue;
}
//if (parentMethod.methodIDCorpus.equals("-1")||childMethod.methodIDCorpus.equals("-1"))
if (String.IsNullOrWhiteSpace(parentMethodID) || String.IsNullOrWhiteSpace(childMethodID))
{
continue;
}
if (idToMethod[parentMethodID].EndsWith(".class") ||
idToMethod[parentMethodID].EndsWith(".-clinit-") ||
idToMethod[parentMethodID].EndsWith(".1") ||
idToMethod[parentMethodID].Contains(".1.")
)
{
continue;
}
if (idToMethod[childMethodID].EndsWith(".class") ||
idToMethod[childMethodID].EndsWith(".-clinit-") ||
idToMethod[childMethodID].EndsWith(".1") ||
idToMethod[childMethodID].Contains(".1.")
)
{
continue;
}
//do not add "recursive calls". This is due to the fact that these are calls between overwritten methods
if (parentMethodID.Equals(childMethodID) || idToMethod[parentMethodID].Equals(idToMethod[childMethodID]))
{
continue;
}
bigrams.Add(new BiGram(idToMethod[parentMethodID], idToMethod[childMethodID]));
continue;
}
// methodExit
if (currentLine.StartsWith("<methodExit "))
{
traceLineSplit = currentLine.Split(' ');
if (traceLineSplit[1].StartsWith("threadIdRef=") == false)
{
throw new Exception();
}
if (traceLineSplit[2].StartsWith("methodIdRef=") == false)
{
throw new Exception();
}
if (traceLineSplit[3].StartsWith("classIdRef=") == false)
{
throw new Exception();
}
if (traceLineSplit[4].StartsWith("ticket=") == false)
{
throw new Exception();
}
if (traceLineSplit[5].StartsWith("time=") == false)
{
throw new Exception();
}
string threadID = ExtractValueFromQuotes(traceLineSplit[1]);
string methodIDTrace = ExtractValueFromQuotes(traceLineSplit[2]);
//Stack<PairMethodIDTraceMethodIDCorpus> currentThreadMethodsStack=threadToMethodsStackTranslator.get(threadID);
string topOfStack = threadToMethodsStackTranslator[threadID].Peek();
if (topOfStack.Equals(methodIDTrace) == false)
{
throw new Exception(currentLine + "\r\n" + threadToMethodsStackTranslator[threadID]);
}
threadToMethodsStackTranslator[threadID].Pop();
continue;
}
}
brTrace.Close();
return(bigrams);
}
/// <summary>
/// Generates a BiGramCollection from a file,
/// ignoring methods that do not appear in the given set
/// </summary>
/// <param name="filename">Input file</param>
/// <param name="includeOnly">Set of methods to include</param>
/// <returns>BiGram collection</returns>
public static BiGramCollection GenerateBiGrams(string filename, ISet <string> includeOnly)
{
TextReader traceFile = new StreamReader(filename);
BiGramCollection bigrams = new BiGramCollection();
Dictionary <string, List <string> > threadToMethodsStackTranslator = new Dictionary <string, List <string> >();
int lineNumber = 0;
string line;
while ((line = traceFile.ReadLine()) != null)
{
lineNumber++;
if (line.Equals("-- VM Started --"))
{
continue;
}
if (line.Equals("m-- VM Started --"))
{
continue;
}
if (line.Equals("-- The application exited --"))
{
continue;
}
if (line.Length == 1)
{
continue;
}
string[] traceLineSplit = line.Split('\t');
if (traceLineSplit.Length >= 3)
{
throw new DevelopmentKitException("Error at line " + lineNumber + ": " + line);
}
if (traceLineSplit[1][0] == '=')
{
// do nothing. This is a report line like ===== main =====
continue;
}
String threadName = traceLineSplit[0].Substring(0, traceLineSplit[0].IndexOf(':'));
// if (threadName.equals("org.eclipse.jdt.internal.ui.text.JavaReconciler"))
// {
// continue;
// }
if (!threadToMethodsStackTranslator.ContainsKey(threadName))
{
threadToMethodsStackTranslator.Add(threadName, new List <string>());
}
int numberOfPipes = 0;
// count number of pipes "|"
for (int i = 0; i < traceLineSplit[0].Length; i++)
{
if (traceLineSplit[0][i] == '|')
{
numberOfPipes++;
}
}
string[] buf = traceLineSplit[1].Split(new string[] { " -- " }, StringSplitOptions.None);
string methodName = buf[0];
string methodPath = buf[1];
//leave method names like method14, but eliminate everything after a dollar (e.g., method$1)
int indexOfDollar = methodName.IndexOf('$');
if (indexOfDollar >= 0)
{
// System.out.print(methodName+"->");
methodName = methodName.Substring(0, indexOfDollar);
// System.out.println(methodName);
}
indexOfDollar = methodPath.IndexOf('$');
if (indexOfDollar >= 0)
{
// System.out.print(methodPath+"->");
methodPath = methodPath.Replace('$', '.');
// methodPath=methodPath.substring(0,indexOfDollar);
// System.out.println(methodPath);
}
if (methodName.Equals("<init>"))
{
// System.out.print("<init>"+"->");
methodName = methodPath.Substring(methodPath.LastIndexOf(".") + 1);
// System.out.println(methodName);
}
if (methodName.Equals("<clinit>"))
{
// System.out.print("<cinit>"+"->");
methodName = methodPath.Substring(methodPath.LastIndexOf(".") + 1);
// System.out.println(methodName);
}
if (numberOfPipes == 0)
{
threadToMethodsStackTranslator[threadName].Clear();
string fullMethodName = methodPath + "." + methodName;
//string IDFullMethodName = inputOutput.getPositionOfMethodMappingInCorpus(fullMethodName);
threadToMethodsStackTranslator[threadName].Insert(numberOfPipes, fullMethodName);
//if its 0, it couldn't have been called by anything
continue;
}
while (threadToMethodsStackTranslator[threadName].Count > numberOfPipes)
{
threadToMethodsStackTranslator[threadName].RemoveAt(numberOfPipes);
}
// if (threadName.equals("org.eclipse.jdt.internal.ui.text.JavaReconciler"))
// {
// //code to deal with the Reconciler thread which sometimes has methods that start with 20-30 pipes and the size of the stack traces is less than that
// //solution: add an unknownMethod
//
// if (currentThreadMethodsStack.size()<numberOfPipes)
// {
// int numberOfUnknownMethodsToAdd=numberOfPipes-currentThreadMethodsStack.size();
// for (int i=0;i<numberOfUnknownMethodsToAdd;i++)
// currentThreadMethodsStack.add("orgeclipsejdtinternaluitextjavareconciler#unknownMethod");
// }
// }
if (threadToMethodsStackTranslator[threadName].Count < numberOfPipes)
{
// numberOfInconsistencies++;
// System.out.println(currentLine);
continue;
}
string fullMethodName2 = methodPath + "." + methodName;
//String IDFullMethodName=inputOutput.getPositionOfMethodMappingInCorpus(fullMethodName);
threadToMethodsStackTranslator[threadName].Insert(numberOfPipes, fullMethodName2);
string parentMethod = threadToMethodsStackTranslator[threadName][numberOfPipes - 1];
string childMethod = threadToMethodsStackTranslator[threadName][numberOfPipes];
//if (parentMethod.id.equals("-1")||childMethod.id.equals("-1"))
// continue;
if (includeOnly != null)
{
if (!includeOnly.Contains(parentMethod))
{
//Console.WriteLine(String.Format("includeOnly.Contains({0}): {1}", parentMethod, includeOnly.Contains(parentMethod)));
//Console.WriteLine("Ignoring parent: " + parentMethod);
continue;
}
if (!includeOnly.Contains(childMethod))
{
//Console.WriteLine("Ignoring child: " + childMethod);
continue;
}
}
bigrams.Add(new BiGram(parentMethod, childMethod));
}
traceFile.Close();
return(bigrams);
}
/// <summary>
/// Generates a BiGramCollection from a file,
/// ignoring methods that do not appear in the given set
/// </summary>
/// <param name="filename">Input file</param>
/// <param name="includeOnly">Set of methods to include</param>
/// <returns>BiGram collection</returns>
public static BiGramCollection GenerateBiGrams(string filename, ISet<string> includeOnly)
{
TextReader traceFile = new StreamReader(filename);
BiGramCollection bigrams = new BiGramCollection();
Dictionary<string, List<string>> threadToMethodsStackTranslator = new Dictionary<string, List<string>>();
int lineNumber = 0;
string line;
while ((line = traceFile.ReadLine()) != null)
{
lineNumber++;
if (line.Equals("-- VM Started --"))
continue;
if (line.Equals("m-- VM Started --"))
continue;
if (line.Equals("-- The application exited --"))
continue;
if (line.Length == 1)
continue;
string[] traceLineSplit = line.Split('\t');
if (traceLineSplit.Length >= 3)
{
throw new DevelopmentKitException("Error at line " + lineNumber + ": " + line);
}
if (traceLineSplit[1][0] == '=')
{
// do nothing. This is a report line like ===== main =====
continue;
}
String threadName = traceLineSplit[0].Substring(0, traceLineSplit[0].IndexOf(':'));
// if (threadName.equals("org.eclipse.jdt.internal.ui.text.JavaReconciler"))
// {
// continue;
// }
if (!threadToMethodsStackTranslator.ContainsKey(threadName))
{
threadToMethodsStackTranslator.Add(threadName, new List<string>());
}
int numberOfPipes = 0;
// count number of pipes "|"
for (int i = 0; i < traceLineSplit[0].Length; i++)
{
if (traceLineSplit[0][i] == '|')
{
numberOfPipes++;
}
}
string[] buf = traceLineSplit[1].Split(new string[] {" -- "}, StringSplitOptions.None);
string methodName = buf[0];
string methodPath = buf[1];
//leave method names like method14, but eliminate everything after a dollar (e.g., method$1)
int indexOfDollar = methodName.IndexOf('$');
if (indexOfDollar >= 0)
{
// System.out.print(methodName+"->");
methodName = methodName.Substring(0, indexOfDollar);
// System.out.println(methodName);
}
indexOfDollar = methodPath.IndexOf('$');
if (indexOfDollar >= 0)
{
// System.out.print(methodPath+"->");
methodPath = methodPath.Replace('$','.');
// methodPath=methodPath.substring(0,indexOfDollar);
// System.out.println(methodPath);
}
if (methodName.Equals("<init>"))
{
// System.out.print("<init>"+"->");
methodName=methodPath.Substring(methodPath.LastIndexOf(".") + 1);
// System.out.println(methodName);
}
if (methodName.Equals("<clinit>"))
{
// System.out.print("<cinit>"+"->");
methodName=methodPath.Substring(methodPath.LastIndexOf(".") + 1);
// System.out.println(methodName);
}
if (numberOfPipes == 0)
{
threadToMethodsStackTranslator[threadName].Clear();
string fullMethodName = methodPath + "." + methodName;
//string IDFullMethodName = inputOutput.getPositionOfMethodMappingInCorpus(fullMethodName);
threadToMethodsStackTranslator[threadName].Insert(numberOfPipes, fullMethodName);
//if its 0, it couldn't have been called by anything
continue;
}
while (threadToMethodsStackTranslator[threadName].Count > numberOfPipes)
{
threadToMethodsStackTranslator[threadName].RemoveAt(numberOfPipes);
}
// if (threadName.equals("org.eclipse.jdt.internal.ui.text.JavaReconciler"))
// {
// //code to deal with the Reconciler thread which sometimes has methods that start with 20-30 pipes and the size of the stack traces is less than that
// //solution: add an unknownMethod
//
// if (currentThreadMethodsStack.size()<numberOfPipes)
// {
// int numberOfUnknownMethodsToAdd=numberOfPipes-currentThreadMethodsStack.size();
// for (int i=0;i<numberOfUnknownMethodsToAdd;i++)
// currentThreadMethodsStack.add("orgeclipsejdtinternaluitextjavareconciler#unknownMethod");
// }
// }
if (threadToMethodsStackTranslator[threadName].Count < numberOfPipes)
{
// numberOfInconsistencies++;
// System.out.println(currentLine);
continue;
}
string fullMethodName2 = methodPath + "." + methodName;
//String IDFullMethodName=inputOutput.getPositionOfMethodMappingInCorpus(fullMethodName);
threadToMethodsStackTranslator[threadName].Insert(numberOfPipes, fullMethodName2);
string parentMethod = threadToMethodsStackTranslator[threadName][numberOfPipes - 1];
string childMethod = threadToMethodsStackTranslator[threadName][numberOfPipes];
//if (parentMethod.id.equals("-1")||childMethod.id.equals("-1"))
// continue;
if (includeOnly != null)
{
if (!includeOnly.Contains(parentMethod))
{
//Console.WriteLine(String.Format("includeOnly.Contains({0}): {1}", parentMethod, includeOnly.Contains(parentMethod)));
//Console.WriteLine("Ignoring parent: " + parentMethod);
continue;
}
if (!includeOnly.Contains(childMethod))
{
//Console.WriteLine("Ignoring child: " + childMethod);
continue;
}
}
bigrams.Add(new BiGram(parentMethod, childMethod));
}
traceFile.Close();
return bigrams;
}
/// <summary>
/// Generates a BiGramCollection from a file
/// </summary>
/// <param name="filename">Input file</param>
/// <returns>BiGram collection</returns>
public static BiGramCollection GenerateBiGrams(string filename)
{
TextReader brTrace = new StreamReader(filename);
BiGramCollection bigrams = new BiGramCollection();
int lineNumber = 0;
Dictionary<string, string> idToClass = new Dictionary<string,string>();
Dictionary<string, string> idToMethod = new Dictionary<string,string>();
// Stack<methodID>
Dictionary<string, Stack<string>> threadToMethodsStackTranslator = new Dictionary<string, Stack<string>>();
string currentLine;
while ((currentLine = brTrace.ReadLine()) != null)
{
lineNumber++;
string[] traceLineSplit;
// classDef
if (currentLine.StartsWith("<classDef "))
{
traceLineSplit = currentLine.Split(' ');
if (traceLineSplit[1].StartsWith("name=") == false)
throw new Exception();
if (traceLineSplit[2].StartsWith("sourceName=") == false)
throw new Exception();
if (traceLineSplit[3].StartsWith("classId=") == false)
throw new Exception();
string name = ExtractValueFromQuotes(traceLineSplit[1]);
string classID = ExtractValueFromQuotes(traceLineSplit[3]);
//System.out.println(classID+"\t"+name);
idToClass.Add(classID, name);
continue;
}
// methodDef
if (currentLine.StartsWith("<methodDef "))
{
traceLineSplit = currentLine.Split(' ');
if (traceLineSplit[1].StartsWith("name=") == false)
throw new Exception();
if (traceLineSplit[2].StartsWith("signature=") == false)
throw new Exception();
if (traceLineSplit[3].StartsWith("startLineNumber=") == false)
throw new Exception();
if (traceLineSplit[4].StartsWith("endLineNumber=") == false)
throw new Exception();
if (traceLineSplit[5].StartsWith("methodId=") == false)
throw new Exception();
if (traceLineSplit[6].StartsWith("classIdRef=") == false)
throw new Exception();
string name = ExtractValueFromQuotes(traceLineSplit[1]);
string signature = ExtractValueFromQuotes(traceLineSplit[2]);
string methodID = ExtractValueFromQuotes(traceLineSplit[5]);
string classID = ExtractValueFromQuotes(traceLineSplit[6]);
//System.out.println("#"+name+"\t"+signature+"\t"+methodID+"\t"+classID);
//leave all the names in; the methods that are not in the corpus will be eliminated because they will not have an ID
if (name.Equals("-init-"))
{
string fullClassName = idToClass[classID];
//System.out.println("\tfullClassName="+fullClassName);
string className = fullClassName.Substring(fullClassName.LastIndexOf("/") + 1);
// remove "outer" classes from inner classes
if (className.IndexOf("$") > 0)
{
//System.out.println(currentLine);
className = className.Substring(className.LastIndexOf("$") + 1);
}
name = className;
//System.out.println("\tclassName="+className);
//System.out.println("\tname="+name);
}
if (name.EndsWith("$"))
{
name = name.Substring(0, name.LastIndexOf("$"));
}
string fullMethodName = idToClass[classID] + "#" + name;
fullMethodName = fullMethodName.Replace('/', '.');
fullMethodName = fullMethodName.Replace('#','.');
fullMethodName = fullMethodName.Replace('$','.');
//System.out.println("MethodName="+fullMethodName);
idToMethod.Add(methodID, fullMethodName);
continue;
}
// methodEntry
if (currentLine.StartsWith("<methodEntry "))
{
traceLineSplit = currentLine.Split(' ');
if (traceLineSplit[1].StartsWith("threadIdRef=") == false)
throw new Exception();
if (traceLineSplit[2].StartsWith("time=") == false)
throw new Exception();
if (traceLineSplit[3].StartsWith("methodIdRef=") == false)
throw new Exception();
if (traceLineSplit[4].StartsWith("classIdRef=") == false)
throw new Exception();
if (traceLineSplit[5].StartsWith("ticket=") == false)
throw new Exception();
if (traceLineSplit[6].StartsWith("stackDepth=") == false)
throw new Exception();
string threadID = ExtractValueFromQuotes(traceLineSplit[1]);
string methodIDTrace = ExtractValueFromQuotes(traceLineSplit[3]);
//Stack<PairMethodIDTraceMethodIDCorpus> currentThreadMethodsStack=threadToMethodsStackTranslator.get(threadID);
if (!threadToMethodsStackTranslator.ContainsKey(threadID))
{
threadToMethodsStackTranslator.Add(threadID, new Stack<string>());
}
//string fullMethodName = idToMethod[methodIDTrace];
//string IDCorpusForFullMethodName = inputOutput.getPositionOfMethodMappingInCorpus(fullMethodName);
//PairMethodIDTraceMethodIDCorpus parentMethod=null;
string parentMethodID = null;
try
{
parentMethodID = threadToMethodsStackTranslator[threadID].Peek();
}
catch (InvalidOperationException)
{
// stack is empty
// do nothing, we will be adding childMethodID
}
//PairMethodIDTraceMethodIDCorpus childMethod=new PairMethodIDTraceMethodIDCorpus(methodIDTrace,fullMethodName,IDCorpusForFullMethodName);
//string childMethod = fullMethodName;
string childMethodID = methodIDTrace;
threadToMethodsStackTranslator[threadID].Push(childMethodID);
if (threadToMethodsStackTranslator[threadID].Count == 1)
{
//if its only 1 element, it couldn't have been called by anything
continue;
}
//if (parentMethod.methodIDCorpus.equals("-1")||childMethod.methodIDCorpus.equals("-1"))
if (String.IsNullOrWhiteSpace(parentMethodID) || String.IsNullOrWhiteSpace(childMethodID))
continue;
if (idToMethod[parentMethodID].EndsWith(".class")
|| idToMethod[parentMethodID].EndsWith(".-clinit-")
|| idToMethod[parentMethodID].EndsWith(".1")
|| idToMethod[parentMethodID].Contains(".1.")
)
continue;
if (idToMethod[childMethodID].EndsWith(".class")
|| idToMethod[childMethodID].EndsWith(".-clinit-")
|| idToMethod[childMethodID].EndsWith(".1")
|| idToMethod[childMethodID].Contains(".1.")
)
continue;
//do not add "recursive calls". This is due to the fact that these are calls between overwritten methods
if (parentMethodID.Equals(childMethodID) || idToMethod[parentMethodID].Equals(idToMethod[childMethodID]))
continue;
bigrams.Add(new BiGram(idToMethod[parentMethodID], idToMethod[childMethodID]));
continue;
}
// methodExit
if (currentLine.StartsWith("<methodExit "))
{
traceLineSplit = currentLine.Split(' ');
if (traceLineSplit[1].StartsWith("threadIdRef=") == false)
throw new Exception();
if (traceLineSplit[2].StartsWith("methodIdRef=") == false)
throw new Exception();
if (traceLineSplit[3].StartsWith("classIdRef=") == false)
throw new Exception();
if (traceLineSplit[4].StartsWith("ticket=") == false)
throw new Exception();
if (traceLineSplit[5].StartsWith("time=") == false)
throw new Exception();
string threadID = ExtractValueFromQuotes(traceLineSplit[1]);
string methodIDTrace = ExtractValueFromQuotes(traceLineSplit[2]);
//Stack<PairMethodIDTraceMethodIDCorpus> currentThreadMethodsStack=threadToMethodsStackTranslator.get(threadID);
string topOfStack = threadToMethodsStackTranslator[threadID].Peek();
if (topOfStack.Equals(methodIDTrace) == false)
throw new Exception(currentLine + "\r\n" + threadToMethodsStackTranslator[threadID]);
threadToMethodsStackTranslator[threadID].Pop();
continue;
}
}
brTrace.Close();
return bigrams;
}