public static LineOfCode Parse(Codebase owner, string line)
{
line = line.Trim();
var result = new LineOfCode();
result.Owner = owner;
result.ID = line;
result.CalledFrom = new List <LineOfCode>();
result.CallsTo = new List <LineOfCode>();
result.Leaks = new List <Backtrace>();
var match = Regex.Match(line, "(?<moduleName>.*)\\!(?<symbolName>.*)\\+(?<rest>(.*))?$|(?<moduleName>.*)$");
var moduleName = match.Groups["moduleName"].Value;
var symbolName = match.Groups["symbolName"].Value; if (String.IsNullOrEmpty(symbolName))
{
symbolName = moduleName;
}
var rest = match.Groups["rest"].Success ? match.Groups["rest"].Value : "";
result.Module = owner.Modules.FirstOrDefault(x => x.Name == moduleName);
result.Scope = owner.GetScope(symbolName);
result.Function = owner.GetFunction(symbolName);
result.Scope.Lines.Add(result); // Add line to scope
result.Function.Lines.AddOrGet(result); // Add line to function
result.Module.Scopes.AddOrGet(result.Scope); // Add scope to module
result.Module.Functions.AddOrGet(result.Function); // Add function to module
result.Module.Lines.AddOrGet(result); // Add line to module
match = Regex.Match(rest, ".* \\((?<fileName>.*), (?<lineNum>\\d*)\\)");
if (match.Success) // Is file,line present?
{
var filename = match.Groups["fileName"].Value;
var lineNum = Convert.ToInt32(match.Groups["lineNum"].Value);
result.LineNumber = lineNum;
result.SourceFile = owner.GetFile(filename, result.Module);
result.SourceFile.Lines.AddOrGet(result); // Add line to file
result.Module.Files.AddOrGet(result.SourceFile); // Add file to module
result.GeneratePreview(filename, lineNum);
}
return(result);
}
// Get line if it already exists inside the codebase,
// or add new if not found
public LineOfCode GetLine(string line)
{
line = line.Trim();
var existingLine = Lines.FirstOrDefault(x => x.ID == line);
if (existingLine != null)
{
return(existingLine);
}
else
{
var newLine = LineOfCode.Parse(this, line);
Lines.Add(newLine);
return(newLine);
}
}
public static Backtrace FromLines(Codebase owner, List <string> lines, int startLine, int endLine)
{
var header = lines[0];
var subHeader = lines[1];
var headerNumbers = Regex.Matches(header, "(?<number>^-\\s*\\d+)|(?<number>\\d+)( |\\))") // first number must capture negative sign if exists.
.Cast <Match>()
.Select(x => x.Groups["number"].Value.Replace(" ", ""))
.Select(x => Convert.ToInt32(x))
.ToList();
var subHeaderNumberMatches = Regex.Matches(subHeader, "(?<number>^-\\s*\\d+)|(?<number>\\d+)( |\\))");
//var subHeaderNumbers = Regex.Matches(subHeader, "(?<number>^-\\s*\\d+)|(?<number>\\d+)( |\\))") // first number must capture negative sign if exists.
var subHeaderNumbers = subHeaderNumberMatches
.Cast <Match>()
.Select(x => x.Groups["number"].Value.Replace(" ", ""))
.Select(x => Convert.ToInt32(x))
.ToList();
var bytesDelta = headerNumbers[0];
var newBytes = headerNumbers[1];
var oldBytes = headerNumbers[2];
var countDelta = subHeaderNumbers[0];
var newCount = subHeaderNumbers[1];
var oldCount = subHeaderNumbers[2];
var result = new Backtrace
{
TotalLeak = bytesDelta,
Count = countDelta,
Owner = owner,
Lines = new List <LineOfCode>(),
StartLine = startLine,
EndLine = endLine
};
var justLines = lines.Skip(2).Where(x => x.Trim() != string.Empty).ToList();
LineOfCode prevLine = null;
foreach (var lineStr in justLines)
{
var line = owner.GetLine(lineStr);
line.Leaks.AddOrGet(result); // Add leak to line's leaks
line.Function.Leaks.AddOrGet(result); // Add leak to line's function's leak
line.Scope.Leaks.AddOrGet(result); // Add leak to line's scope's leak
if (line.SourceFile != null)
{
line.SourceFile.Leaks.AddOrGet(result); // Add leak to line's file's leaks
}
line.Module.Leaks.AddOrGet(result); // Add leak to line's module's leaks
result.Lines.Add(line); // Add line to leak
// Connect and update calls to and called from
if (prevLine != null)
{
line.CallsTo.AddOrGet(prevLine); // Line calls prevLine
line.Function.CallsTo.AddOrGet(prevLine.Function); // Line's function calls prevLine's function
line.Module.CallsTo.AddOrGet(prevLine.Module); // Line's module calls prevLine's module
if (line.SourceFile != null && prevLine.SourceFile != null)
{
line.SourceFile.CallsTo.AddOrGet(prevLine.SourceFile); // Line's file calls prevLine's file
prevLine.SourceFile.CalledFrom.AddOrGet(line.SourceFile); // PrevLine's file is called from line's file
}
prevLine.CalledFrom.AddOrGet(line); // PrevLine is called from line
prevLine.Function.CalledFrom.AddOrGet(line.Function); // PrevLine's function is called from line's function
prevLine.Module.CalledFrom.AddOrGet(line.Module); // PrevLine's module is called from line's module
}
prevLine = line;
}
return(result);
}
