public MethodDebugInfo(MethodBody body, ISymbolMethod pdb)
{
Body = body;
// todo. support multiple locals sharing the same local slot
// (but having different Start::End offsets, of course)
// so far we just silently ignore them taking into account only the first one
var locals = pdb.RootScope.Flatten(ss => ss.GetChildren()).SelectMany(ss => ss.GetLocals());
LocalNames = locals.Select(lv => new { Index = lv.AddressField1, Name = lv.Name })
.Distinct().ToDictionary(lv => lv.Index, lv => lv.Name).ToReadOnly();
var count = pdb.SequencePointCount;
var offsets = new int[count];
var documents = new ISymbolDocument[count];
var lines = new int[count];
var columns = new int[count];
var endLines = new int[count];
var endColumns = new int[count];
pdb.GetSequencePoints(offsets, documents, lines, columns, endLines, endColumns);
SequencePoints = 0.UpTo(count - 1).Select(i =>
new SequencePoint(offsets[i], documents[i], lines[i], columns[i], endLines[i], endColumns[i])
).ToReadOnly();
}
void AddSequencePoints(CilBody body, ISymbolMethod method)
{
int numSeqs = method.SequencePointCount;
var offsets = new int[numSeqs];
var documents = new ISymbolDocument[numSeqs];
var lines = new int[numSeqs];
var columns = new int[numSeqs];
var endLines = new int[numSeqs];
var endColumns = new int[numSeqs];
method.GetSequencePoints(offsets, documents, lines, columns, endLines, endColumns);
int instrIndex = 0;
for (int i = 0; i < numSeqs; i++)
{
var instr = GetInstruction(body.Instructions, offsets[i], ref instrIndex);
if (instr == null)
{
continue;
}
var seqPoint = new SequencePoint()
{
Document = Add_NoLock(new PdbDocument(documents[i])),
StartLine = lines[i],
StartColumn = columns[i],
EndLine = endLines[i],
EndColumn = endColumns[i],
};
instr.SequencePoint = seqPoint;
}
}
public SequencePoint[] Generate(ISymbolMethod method)
{
var sequencePoints = new List<SequencePoint>();
var sp_count = method.SequencePointCount;
var spOffsets = new int[sp_count]; // Array.CreateInstance(int, sp_count)
var spDocs = new ISymbolDocument[sp_count]; // Array.CreateInstance(ISymbolDocument, sp_count)
var spStartLines = new int[sp_count]; // Array.CreateInstance(int, sp_count)
var spEndLines = new int[sp_count]; // Array.CreateInstance(int, sp_count)
var spStartCol = new int[sp_count]; // Array.CreateInstance(int, sp_count)
var spEndCol = new int[sp_count]; // Array.CreateInstance(int, sp_count)
method.GetSequencePoints(spOffsets, spDocs, spStartLines, spStartCol, spEndLines, spEndCol);
for (int i = 0; i < sp_count; i++) // (var i in range(sp_count))
{
if (spStartLines[i] != 0xfeefee) // if spStartLines[i] != 0xfeefee:
{
sequencePoints.Add(new SequencePoint(spOffsets[i],
spDocs[i],
spStartLines[i],
spStartCol[i],
spEndLines[i],
spEndCol[i]));
}
}
return sequencePoints.ToArray();
}
// Write the sequence points for the given method
// Sequence points are the map between IL offsets and source lines.
// A single method could span multiple files (use C#'s #line directive to see for yourself).
private SequencePoint[] ReadSequencePoints(ISymbolMethod method)
{
int count = method.SequencePointCount;
// Get the sequence points from the symbol store.
// We could cache these arrays and reuse them.
int[] offsets = new int[count];
ISymbolDocument[] docs = new ISymbolDocument[count];
int[] startColumn = new int[count];
int[] endColumn = new int[count];
int[] startRow = new int[count];
int[] endRow = new int[count];
method.GetSequencePoints(offsets, docs, startRow, startColumn, endRow, endColumn);
// Store them into the list
var sequencePoints = new List <SequencePoint>(count);
for (int i = 0; i < count; i++)
{
var sp = new SequencePoint(offsets[i], docs[i].URL, startRow[i], endRow[i], startColumn[i], endColumn[i]);
sequencePoints.Add(sp);
}
return(sequencePoints.OrderBy(sp => sp.SourcePath).ThenBy(sp => sp.StartLine).ToArray());
}
static void Main(string[] args)
{
Assembly ass = Assembly.GetExecutingAssembly();
ISymbolReader symreader = SymUtil.GetSymbolReaderForFile(ass.Location, null);
MethodInfo m = ass.GetType("PdbTest.TestClass").GetMethod("GetStringRepresentation");
ISymbolMethod met = symreader.GetMethod(new SymbolToken(m.MetadataToken));
int count = met.SequencePointCount;
ISymbolDocument[] docs = new ISymbolDocument[count];
int[] offsets = new int[count];
int[] lines = new int[count];
int[] columns = new int[count];
int[] endlines = new int[count];
int[] endcolumns = new int[count];
met.GetSequencePoints(offsets, docs, lines, columns, endlines, endcolumns);
StreamReader reader = new StreamReader(docs[0].URL);
string[] linesOfCode = reader.ReadToEnd().Split('n');
reader.Close();
Console.WriteLine("The content of method PdbTest.TestClass.GetStringRepresentation");
for (int i = lines[0]; i < endlines[count - 1] - 1; i++)
{
Console.WriteLine(linesOfCode[i]);
}
}
//�Public�Methods�(1)�
/// <summary>
/// Gets the method source from PDB.
/// </summary>
/// <param name="methodInfo">The method info.</param>
/// <returns></returns>
public PDBMethodSourceData GetMethodSourceFromPDB(MethodInfo methodInfo)
{
ISymbolMethod met = _symbolReader.GetMethod(new SymbolToken(methodInfo.MetadataToken));
int count = met.SequencePointCount;
ISymbolDocument[] docs = new ISymbolDocument[count];
int[] offsets = new int[count];
int[] lines = new int[count];
int[] columns = new int[count];
int[] endlines = new int[count];
int[] endcolumns = new int[count];
met.GetSequencePoints(offsets, docs, lines, columns, endlines, endcolumns);
return(new PDBMethodSourceData()
{
symbolDocs = docs,
sourceCodeLines = lines,
ilOpcodeOffsets = offsets,
souceCodeColumns = columns,
sourceCodeEndColumns = endcolumns,
sourceCodeEndLines = endlines
});
}
/// <summary>
/// Returns the name of the file for the given method using the given symbol reader
/// </summary>
/// <param name="reader">The reader to use</param>
/// <param name="methodBase">The method to lookup</param>
/// <returns>The file containing the method or null.</returns>
private static string GetFileForMethod(ISymbolReader reader, MethodBase methodBase)
{
int token = methodBase.MetadataToken;
ISymbolMethod methodSymbol = reader == null ? null : reader.GetMethod(new SymbolToken(token));
if (methodSymbol != null)
{
int count = methodSymbol.SequencePointCount;
// Get the sequence points from the symbol store.
// We could cache these arrays and reuse them.
int[] offsets = new int[count];
ISymbolDocument[] docs = new ISymbolDocument[count];
int[] startColumn = new int[count];
int[] endColumn = new int[count];
int[] startRow = new int[count];
int[] endRow = new int[count];
methodSymbol.GetSequencePoints(offsets, docs, startRow, startColumn, endRow, endColumn);
foreach (ISymbolDocument doc in docs)
{
string file = doc.URL.ToString();
return(file);
}
}
return(null);
}
public static IEnumerable <SequencePoint> GetSequencePoints(this ISymbolMethod met)
{
int sc = met.SequencePointCount;
int[] offsets = new int[sc];
int[] lines = new int[sc];
int[] endLines = new int[sc];
int[] columns = new int[sc];
int[] endColumns = new int[sc];
ISymbolDocument[] docs = new ISymbolDocument[sc];
met.GetSequencePoints(offsets, docs, lines, columns, endLines, endColumns);
for (int n = 0; n < sc; n++)
{
if (columns[n] == 0)
{
continue;
}
SequencePoint sp = new SequencePoint();
sp.Document = docs[n];
sp.Line = lines[n];
sp.Offset = offsets[n];
yield return(sp);
}
}
// note: sadly it's not possible to cache all the [count] allocations and reuse them.
// a NRE is throw if the size of the arrays does not match SequencePointCount :(
void ReadSequencePoints(ISymbolMethod method, IDictionary instructions)
{
int count = method.SequencePointCount;
int [] offsets = new int [count];
ISymbolDocument [] docs = new ISymbolDocument [count];
int [] startColumn = new int [count];
int [] endColumn = new int [count];
int [] startRow = new int [count];
int [] endRow = new int [count];
method.GetSequencePoints(offsets, docs, startRow, startColumn, endRow, endColumn);
for (int i = 0; i < offsets.Length; i++)
{
Cil.Instruction instr = (Cil.Instruction)instructions [offsets [i]];
Cil.SequencePoint sp = new Cil.SequencePoint(GetDocument(docs [i]));
sp.StartLine = startRow [i];
sp.StartColumn = startColumn [i];
sp.EndLine = endRow [i];
sp.EndColumn = endColumn [i];
instr.SequencePoint = sp;
}
}
// Initializes all private symbol variables
private void SetupSymbolInformation()
{
if (p_symbolsInitialized)
{
return;
}
p_symbolsInitialized = true;
CorModule module = GetModule();
ISymbolReader symreader = module.GetSymbolReader();
p_hasSymbols = symreader != null;
if (p_hasSymbols)
{
ISymbolMethod sm = null;
sm = symreader.GetMethod(new SymbolToken((Int32)GetToken())); // FIXME add version
if (sm == null)
{
p_hasSymbols = false;
return;
}
p_symMethod = sm;
p_SPcount = p_symMethod.SequencePointCount;
p_SPoffsets = new Int32[p_SPcount];
p_SPdocuments = new ISymbolDocument[p_SPcount];
p_SPstartLines = new Int32[p_SPcount];
p_SPendLines = new Int32[p_SPcount];
p_SPstartColumns = new Int32[p_SPcount];
p_SPendColumns = new Int32[p_SPcount];
p_symMethod.GetSequencePoints(p_SPoffsets, p_SPdocuments, p_SPstartLines,
p_SPstartColumns, p_SPendLines, p_SPendColumns);
}
}
/// <summary>
/// Gets information about the source if it is available.
/// </summary>
private bool GetSourceReference()
{
try
{
ISymbolReader sr = SymUtil.GetSymbolReaderForFile(_method.Module.Assembly.Location, null);
ISymbolMethod sm = sr.GetMethod(new SymbolToken(_method.MetadataToken));
_count = sm.SequencePointCount;
_offsets = new int[_count];
_documents = new ISymbolDocument[_count];
_startColumns = new int[_count];
_endColumns = new int[_count];
_startRows = new int[_count];
_endRows = new int[_count];
sm.GetSequencePoints(_offsets, _documents, _startRows, _startColumns, _endRows, _endColumns);
return(true);
}
catch
{
_count = 0;
_offsets = null;
_documents = null;
_startColumns = null;
_endColumns = null;
_startRows = null;
_endRows = null;
return(false);
}
}
//private string[] GetCombinedSource(IEnumerable<SequencePoint> points) {
// var lines = new List<string>();
// foreach (var point in points) {
// var contentLines = documentCache.Get(point.Document, () => File.ReadAllLines(point.Document.URL));
// var start = point.Start.Row - 1;
// var end = point.End.Row - 1;
// if (start >= contentLines.Length || end >= contentLines.Length)
// continue;
// for (var i = start; i <= end; i++) {
// var line = contentLines[i];
// if (i == start)
// line = line.Substring(point.Start.Column - 1);
// else if (i == end)
// line = line.Substring(0, point.End.Column - 1);
// lines.Add(line);
// }
// }
// return lines.ToArray();
//}
private IEnumerable <SequencePoint> GetSequencePoints(ISymbolMethod method)
{
var count = method.SequencePointCount;
var offsets = new int[count];
var docs = new ISymbolDocument[count];
var startColumns = new int[count];
var endColumns = new int[count];
var startRows = new int[count];
var endRows = new int[count];
method.GetSequencePoints(offsets, docs, startRows, startColumns, endRows, endColumns);
for (int i = 0; i < count; i++)
{
if (startRows[i] == SequencePointHiddenLine || endRows[i] == SequencePointHiddenLine)
{
continue;
}
yield return(new SequencePoint {
Document = this.GetOrLoadContent(docs[i]),
Start = new SourcePosition(startRows[i], startColumns[i]),
End = new SourcePosition(endRows[i], endColumns[i])
});
}
}
protected override BreakEventInfo OnInsertBreakEvent(BreakEvent be)
{
BreakEventInfo binfo = new BreakEventInfo();
lock (documents) {
Breakpoint bp = be as Breakpoint;
if (bp != null)
{
DocInfo doc;
if (!documents.TryGetValue(System.IO.Path.GetFullPath(bp.FileName), out doc))
{
binfo.SetStatus(BreakEventStatus.NotBound, null);
return(binfo);
}
int line;
try {
line = doc.Document.FindClosestLine(bp.Line);
}
catch {
// Invalid line
binfo.SetStatus(BreakEventStatus.Invalid, null);
return(binfo);
}
ISymbolMethod met = doc.Reader.GetMethodFromDocumentPosition(doc.Document, line, 0);
if (met == null)
{
binfo.SetStatus(BreakEventStatus.Invalid, null);
return(binfo);
}
int offset = -1;
foreach (SequencePoint sp in met.GetSequencePoints())
{
if (sp.Line == line && sp.Document.URL == doc.Document.URL)
{
offset = sp.Offset;
break;
}
}
if (offset == -1)
{
binfo.SetStatus(BreakEventStatus.Invalid, null);
return(binfo);
}
CorFunction func = doc.Module.GetFunctionFromToken(met.Token.GetToken());
CorFunctionBreakpoint corBp = func.ILCode.CreateBreakpoint(offset);
corBp.Activate(bp.Enabled);
breakpoints[corBp] = binfo;
binfo.Handle = corBp;
binfo.SetStatus(BreakEventStatus.Bound, null);
return(binfo);
}
}
return(null);
}
public static void GetLocalVariables(Assembly asm, MethodInfo m)
{
// Assembly asm = Assembly.GetExecutingAssembly();
ISymbolReader symreader = SymUtil.GetSymbolReaderForFile(asm.Location, null);
if (symreader == null)
{
Console.WriteLine(" ERROR: no symreader was created. Aborting GetLocalVariables...");
return;
}
ISymbolMethod symMethod = symreader.GetMethod(new SymbolToken(m.MetadataToken));
int sequencePointCount = symMethod.SequencePointCount;
ISymbolDocument[] docs = new ISymbolDocument[sequencePointCount];
int[] offsets = new int[sequencePointCount];
int[] lines = new int[sequencePointCount];
int[] columns = new int[sequencePointCount];
int[] endlines = new int[sequencePointCount];
int[] endcolumns = new int[sequencePointCount];
symMethod.GetSequencePoints(offsets, docs, lines, columns, endlines, endcolumns);
Console.WriteLine();
Console.WriteLine("The source code for method: " + m.Name + "; found in " + docs[0].URL);
Console.WriteLine(new String('*', 60));
// although there's an array of docs, they seem to all have the same value (?) so we'll only use the first one
StreamReader reader = new StreamReader(docs[0].URL); // URL is typically a fully path-qualified filename
string[] linesOfCode = reader.ReadToEnd().Split('\r');
string PrintableLineNumber = "0000";
Console.WriteLine(linesOfCode[lines[0] - 2].Replace('\n', ' ')); // the preceding line (assumes declaration is only one line long, and found on immediately precediting line!
// foreach (int LineNumber in lines) // print the source code (comments omitted)
for (int LineNumber = lines[0]; LineNumber < lines[sequencePointCount - 1] + 1; LineNumber++) // print the source code (including comments)
{
PrintableLineNumber = new String(' ', 4 - LineNumber.ToString().Length) // padding
+ LineNumber.ToString();
Console.WriteLine(PrintableLineNumber + ": " + linesOfCode[LineNumber - 1].Replace('\n', ' '));
}
// Console.WriteLine(linesOfCode[lines[sequencePointCount -1] + 1].Replace('\n', ' ')); // the trailing line
//Console.WriteLine(linesOfCode);
reader.Close();
Console.WriteLine(new String('*', 60));
Console.WriteLine();
linesOfCode = null;
}
protected override object OnInsertBreakEvent(BreakEvent be, bool activate)
{
lock (documents) {
Breakpoint bp = be as Breakpoint;
if (bp != null)
{
DocInfo doc;
if (!documents.TryGetValue(System.IO.Path.GetFullPath(bp.FileName), out doc))
{
return(null);
}
int line;
try {
line = doc.Document.FindClosestLine(bp.Line);
}
catch {
// Invalid line
return(null);
}
ISymbolMethod met = doc.Reader.GetMethodFromDocumentPosition(doc.Document, line, 0);
if (met == null)
{
return(null);
}
int offset = -1;
foreach (SequencePoint sp in met.GetSequencePoints())
{
if (sp.Line == line && sp.Document.URL == doc.Document.URL)
{
offset = sp.Offset;
break;
}
}
if (offset == -1)
{
return(null);
}
CorFunction func = doc.Module.GetFunctionFromToken(met.Token.GetToken());
CorFunctionBreakpoint corBp = func.ILCode.CreateBreakpoint(offset);
corBp.Activate(activate);
return(corBp);
}
}
return(null);
}
ISymbolDocument[] GetDocumentList(ISymbolMethod method)
{
int count = method.SequencePointCount;
// Get the sequence points from the symbol store.
// We could cache these arrays and reuse them.
int[] offsets = new int[count];
ISymbolDocument[] docs = new ISymbolDocument[count];
int[] startColumn = new int[count];
int[] endColumn = new int[count];
int[] startRow = new int[count];
int[] endRow = new int[count];
method.GetSequencePoints(offsets, docs, startRow, startColumn, endRow, endColumn);
return docs;
}
// Write the sequence points for the given method
// Sequence points are the map between IL offsets and source lines.
// A single method could span multiple files (use C#'s #line directive to see for yourself).
private void WriteSequencePoints(ISymbolMethod method)
{
m_writer.WriteStartElement("sequencepoints");
int count = method.SequencePointCount;
m_writer.WriteAttributeString("total", Util.CultureInvariantToString(count));
// Get the sequence points from the symbol store.
// We could cache these arrays and reuse them.
var offsets = new int[count];
var docs = new ISymbolDocument[count];
var startColumn = new int[count];
var endColumn = new int[count];
var startRow = new int[count];
var endRow = new int[count];
method.GetSequencePoints(offsets, docs, startRow, startColumn, endRow, endColumn);
// Write out sequence points
for (int i = 0; i < count; i++)
{
m_writer.WriteStartElement("entry");
m_writer.WriteAttributeString("il_offset", Util.AsIlOffset(offsets[i]));
// If it's a special 0xFeeFee sequence point (eg, "hidden"),
// place an attribute on it to make it very easy for tools to recognize.
// See http://blogs.msdn.com/jmstall/archive/2005/06/19/FeeFee_SequencePoints.aspx
if (startRow[i] == 0xFeeFee)
{
m_writer.WriteAttributeString("hidden", XmlConvert.ToString(true));
}
//else
{
m_writer.WriteAttributeString("start_row", Util.CultureInvariantToString(startRow[i]));
m_writer.WriteAttributeString("start_column", Util.CultureInvariantToString(startColumn[i]));
m_writer.WriteAttributeString("end_row", Util.CultureInvariantToString(endRow[i]));
m_writer.WriteAttributeString("end_column", Util.CultureInvariantToString(endColumn[i]));
m_writer.WriteAttributeString("file_ref", Util.CultureInvariantToString(m_fileMapping[docs[i].URL]));
}
m_writer.WriteEndElement();
}
m_writer.WriteEndElement(); // sequencepoints
}
// Write the sequence points for the given method
// Sequence points are the map between IL offsets and source lines.
// A single method could span multiple files (use C#'s #line directive to see for yourself).
private void WriteSequencePoints(ISymbolMethod method)
{
int count = method.SequencePointCount;
// Get the sequence points from the symbol store.
// We could cache these arrays and reuse them.
int[] offsets = new int[count];
ISymbolDocument[] docs = new ISymbolDocument[count];
int[] startColumn = new int[count];
int[] endColumn = new int[count];
int[] startRow = new int[count];
int[] endRow = new int[count];
method.GetSequencePoints(offsets, docs, startRow, startColumn, endRow, endColumn);
xmlWriter.WriteStartElement("sequencePoints");
for (int i = 0; i < count; i++)
{
xmlWriter.WriteStartElement("entry");
// IL offsets are usually written in hexadecimal...
xmlWriter.WriteAttributeString("ilOffset", "0x" + offsets[i].ToString("x4"));
// ... but .NET XPath 1.0 cannot compare strings so we need a decimal number as well :-(
xmlWriter.WriteAttributeString("ilOffsetDec", offsets[i].ToString());
xmlWriter.WriteAttributeString("fileRef", fileMapping[docs[i].URL].ToString());
// If it's a special 0xfeefee sequence point (e.g., "hidden"),
// place an attribute on it to make it very easy for tools to recognize.
// See http://blogs.msdn.com/b/jmstall/archive/2005/06/19/feefee-sequencepoints.aspx
if (startRow[i] == 0xfeefee)
{
xmlWriter.WriteAttributeString("hidden", "true");
}
else
{
xmlWriter.WriteAttributeString("startLine", startRow[i].ToString());
xmlWriter.WriteAttributeString("startColumn", startColumn[i].ToString());
xmlWriter.WriteAttributeString("endLine", endRow[i].ToString());
xmlWriter.WriteAttributeString("endColumn", endColumn[i].ToString());
}
xmlWriter.WriteEndElement(); // </entry>
}
xmlWriter.WriteEndElement(); // </sequencePoints>
}
// Write the sequence points for the given method
// Sequence points are the map between IL offsets and source lines.
// A single method could span multiple files (use C#'s #line directive to see for yourself).
private List <SequencePoint> ReadSequencePoints(ISymbolMethod method)
{
int count = method.SequencePointCount;
// Get the sequence points from the symbol store.
// We could cache these arrays and reuse them.
int[] offsets = new int[count];
ISymbolDocument[] docs = new ISymbolDocument[count];
int[] startColumn = new int[count];
int[] endColumn = new int[count];
int[] startRow = new int[count];
int[] endRow = new int[count];
method.GetSequencePoints(offsets, docs, startRow, startColumn, endRow, endColumn);
// Store them into the list
List <SequencePoint> sequencePoints = new List <SequencePoint>(count);
for (int i = 0; i < count; i++)
{
SequencePoint sp = new SequencePoint();
sp.ilOffset = offsets[i];
// If it's a special 0xFeeFee sequence point (eg, "hidden"),
// place an attribute on it to make it very easy for tools to recognize.
// See http://blogs.msdn.com/jmstall/archive/2005/06/19/FeeFee_SequencePoints.aspx
if (startRow[i] == 0xFeeFee)
{
sp.hidden = true;
}
sp.sourceId = this.fileMapping[docs[i].URL];
sp.startRow = startRow[i];
sp.startColumn = startColumn[i];
sp.endRow = endRow[i];
sp.endColumn = endColumn[i];
sequencePoints.Add(sp);
}
return(sequencePoints);
}
//////////////////////////////////////////////////////////////////////////////////
//
// Initialization & locals
//
//////////////////////////////////////////////////////////////////////////////////
private void EnsureIsUpToDate()
{
Debug.Assert(m_module != null);
Debug.Assert(m_module.EditsCounter >= CorFunction.Version - 1);
// version cannot be greater then # of edits; versions are 1 based
if (m_isInitialized)
{
return; // no need to do any refresh
}
// perform refresh
m_isInitialized = true;
m_haveSymbols = m_module.SymReader != null;
if (m_haveSymbols)
{
ISymbolMethod sm = null;
sm = m_module.SymReader.GetMethod(new SymbolToken(m_function.Token), CorFunction.Version);
if (sm == null)
{
m_haveSymbols = false;
return;
}
m_symMethod = sm;
m_SPcount = m_symMethod.SequencePointCount;
m_SPoffsets = new int[m_SPcount];
m_SPdocuments = new ISymbolDocument[m_SPcount];
m_SPstartLines = new int[m_SPcount];
m_SPendLines = new int[m_SPcount];
m_SPstartColumns = new int[m_SPcount];
m_SPendColumns = new int[m_SPcount];
m_symMethod.GetSequencePoints(m_SPoffsets, m_SPdocuments, m_SPstartLines, m_SPstartColumns, m_SPendLines,
m_SPendColumns);
}
}
public MethodDebugInfo(MethodBody body, ISymbolMethod pdb)
{
Body = body;
// todo. support multiple locals sharing the same local slot
// (but having different Start::End offsets, of course)
// so far we just silently ignore them taking into account only the first one
var locals = pdb.RootScope.Flatten(ss => ss.GetChildren()).SelectMany(ss => ss.GetLocals());
LocalNames = locals.Select(lv => new {Index = lv.AddressField1, Name = lv.Name})
.Distinct().ToDictionary(lv => lv.Index, lv => lv.Name).ToReadOnly();
var count = pdb.SequencePointCount;
var offsets = new int[count];
var documents = new ISymbolDocument[count];
var lines = new int[count];
var columns = new int[count];
var endLines = new int[count];
var endColumns = new int[count];
pdb.GetSequencePoints(offsets, documents, lines, columns, endLines, endColumns);
SequencePoints = 0.UpTo(count - 1).Select(i =>
new SequencePoint(offsets[i], documents[i], lines[i], columns[i], endLines[i], endColumns[i])
).ToReadOnly();
}
private void Populate(ISymbolMethod method)
{
method.GetSequencePoints(Offsets, Documents, Lines, Columns, EndLines, EndColumns);
for (int i = 0; i < Count; i++) {
this.indexByOffsets.Add(Offsets[i], i);
}
}
internal static GotoInfo[] LookupLocationsFromPdb(GotoInfo info, IVsSmartOpenScope vsSmartOpenScope)
{
Debug.Assert(info != null && info.MemberInfo != null, "LookupLocationsFromPdb lacks required parameter");
var sources = new Dictionary <string, Location>();
if (string.IsNullOrEmpty(info.FilePath) || !File.Exists(info.FilePath))
{
return(new GotoInfo[0]);
}
object unkMetaDataImport;
IntPtr ptrMetaDataImport = IntPtr.Zero;
ISymbolBinder1 binder;
ISymbolReader reader;
ISymbolDocument[] documents;
int[] lines;
int[] columns;
int[] endLines;
int[] endColumns;
int[] offsets;
var methods = new List <MethodBase>();
Type ty = null;
try
{
int hr = vsSmartOpenScope.OpenScope(info.FilePath, 0, ref IID_MetaDataImport, out unkMetaDataImport);
if (hr == VSConstants.S_OK)
{
ptrMetaDataImport = Marshal.GetIUnknownForObject(unkMetaDataImport);
binder = new SymBinder();
reader = binder.GetReader(ptrMetaDataImport, info.FilePath, null);
documents = new ISymbolDocument[1];
lines = new int[1];
columns = new int[1];
endLines = new int[1];
endColumns = new int[1];
offsets = new int[1];
}
else
{
Debug.WriteLineIf(TS.TraceWarning,
string.Format("Failed to obtain MetaDataImport from VS, hr 0x{0:X8}", hr), TS.DisplayName);
return(new GotoInfo[0]);
}
switch (info.MemberInfo.MemberType)
{
case MemberTypes.Constructor:
case MemberTypes.Method:
MethodBase mb = (MethodBase)info.MemberInfo;
// Abstract methods does not contain any code.
//
if (mb.IsAbstract)
{
methods.AddRange(mb.DeclaringType.GetMethods(DeclaredMembers));
}
else
{
methods.Add(mb);
}
break;
case MemberTypes.Property:
PropertyInfo pi = (PropertyInfo)info.MemberInfo;
methods.AddRange(pi.GetAccessors(true));
break;
case MemberTypes.Field:
methods.AddRange(info.MemberInfo.DeclaringType.GetMethods(DeclaredMembers));
break;
case MemberTypes.Event:
EventInfo ei = (EventInfo)info.MemberInfo;
methods.Add(ei.GetAddMethod(true));
methods.Add(ei.GetRemoveMethod(true));
methods.Add(ei.GetRaiseMethod(true));
methods.AddRange(ei.GetOtherMethods(true));
break;
case MemberTypes.TypeInfo:
case MemberTypes.NestedType:
ty = (Type)info.MemberInfo;
methods.AddRange(ty.GetMethods(DeclaredMembers));
methods.AddRange(ty.GetConstructors(DeclaredMembers));
break;
default:
Trace.Fail("Unexpected MemberType " + info.MemberInfo.MemberType);
break;
}
foreach (MethodBase mb in methods)
{
if (mb == null || Attribute.GetCustomAttribute(mb, typeof(CompilerGeneratedAttribute)) != null)
{
continue;
}
try
{
SymbolToken token = new SymbolToken(mb.MetadataToken);
ISymbolMethod method = reader.GetMethod(token);
if (method.SequencePointCount > 0)
{
method.GetSequencePoints(offsets, documents, lines, columns, endLines, endColumns);
var path = documents[0].URL;
// We are interested in unique files only.
if (File.Exists(path) && (ty == null || mb.DeclaringType.Equals(ty)))
{
Location value;
if (sources.TryGetValue(path, out value))
{
if ((value.Column == 0 || value.Line == 0) && lines[0] != 0 && columns[0] != 0)
{
sources[path] = new Location(path, lines[0], columns[0], endLines[0], endColumns[0]);
}
}
else
{
sources.Add(path, new Location(path, lines[0], columns[0], endLines[0], endColumns[0]));
}
}
}
}
catch (COMException ex)
{
// Abstract method or not a method at all.
// Sequence points are available only for methods.
//
Trace.WriteLineIf(TS.TraceError,
string.Format("({0}) {1}, code 0x{2:X8}", mb.Name, ex.Message, ex.ErrorCode), TS.DisplayName);
}
}
}
catch (COMException ex)
{
// The file was not found or source locations were stripped from the pdb.
//
Trace.WriteLineIf(TS.TraceError,
string.Format("{0}, code 0x{1:8X}", ex.Message, ex.ErrorCode), TS.DisplayName);
}
finally
{
if (ptrMetaDataImport != IntPtr.Zero)
{
Marshal.Release(ptrMetaDataImport);
}
}
return(sources.Select(x => new GotoInfo(x.Key, x.Value)).ToArray());
}
void AddSequencePoints(CilBody body, ISymbolMethod method) {
int numSeqs = method.SequencePointCount;
var offsets = new int[numSeqs];
var documents = new ISymbolDocument[numSeqs];
var lines = new int[numSeqs];
var columns = new int[numSeqs];
var endLines = new int[numSeqs];
var endColumns = new int[numSeqs];
method.GetSequencePoints(offsets, documents, lines, columns, endLines, endColumns);
int instrIndex = 0;
for (int i = 0; i < numSeqs; i++) {
var instr = GetInstruction(body.Instructions, offsets[i], ref instrIndex);
if (instr == null)
continue;
var seqPoint = new SequencePoint() {
Document = Add_NoLock(new PdbDocument(documents[i])),
StartLine = lines[i],
StartColumn = columns[i],
EndLine = endLines[i],
EndColumn = endColumns[i],
};
instr.SequencePoint = seqPoint;
}
}
public static SequencePoint GetSequencePoint(CorDebuggerSession session, CorFrame frame)
{
ISymbolReader reader = session.GetReaderForModule(frame.Function.Module);
if (reader == null)
{
return(null);
}
ISymbolMethod met = reader.GetMethod(new SymbolToken(frame.Function.Token));
if (met == null)
{
return(null);
}
int SequenceCount = met.SequencePointCount;
if (SequenceCount <= 0)
{
return(null);
}
CorDebugMappingResult mappingResult;
uint ip;
frame.GetIP(out ip, out mappingResult);
if (mappingResult == CorDebugMappingResult.MAPPING_NO_INFO || mappingResult == CorDebugMappingResult.MAPPING_UNMAPPED_ADDRESS)
{
return(null);
}
int[] offsets = new int[SequenceCount];
int[] lines = new int[SequenceCount];
int[] endLines = new int[SequenceCount];
int[] columns = new int[SequenceCount];
int[] endColumns = new int[SequenceCount];
ISymbolDocument[] docs = new ISymbolDocument[SequenceCount];
met.GetSequencePoints(offsets, docs, lines, columns, endLines, endColumns);
if ((SequenceCount > 0) && (offsets [0] <= ip))
{
int i;
for (i = 0; i < SequenceCount; ++i)
{
if (offsets [i] >= ip)
{
break;
}
}
if ((i == SequenceCount) || (offsets [i] != ip))
{
--i;
}
if (lines [i] == SpecialSequencePoint)
{
int j = i;
// let's try to find a sequence point that is not special somewhere earlier in the code
// stream.
while (j > 0)
{
--j;
if (lines [j] != SpecialSequencePoint)
{
return(new SequencePoint()
{
IsSpecial = true,
Offset = offsets [j],
StartLine = lines [j],
EndLine = endLines [j],
StartColumn = columns [j],
EndColumn = endColumns [j],
Document = docs [j]
});
}
}
// we didn't find any non-special seqeunce point before current one, let's try to search
// after.
j = i;
while (++j < SequenceCount)
{
if (lines [j] != SpecialSequencePoint)
{
return(new SequencePoint()
{
IsSpecial = true,
Offset = offsets [j],
StartLine = lines [j],
EndLine = endLines [j],
StartColumn = columns [j],
EndColumn = endColumns [j],
Document = docs [j]
});
}
}
// Even if sp is null at this point, it's a valid scenario to have only special sequence
// point in a function. For example, we can have a compiler-generated default ctor which
// doesn't have any source.
return(null);
}
else
{
return(new SequencePoint()
{
IsSpecial = false,
Offset = offsets [i],
StartLine = lines [i],
EndLine = endLines [i],
StartColumn = columns [i],
EndColumn = endColumns [i],
Document = docs [i]
});
}
}
return(null);
}
// Write the sequence points for the given method
// Sequence points are the map between IL offsets and source lines.
// A single method could span multiple files (use C#'s #line directive to see for yourself).
private List<SequencePoint> ReadSequencePoints(ISymbolMethod method)
{
int count = method.SequencePointCount;
// Get the sequence points from the symbol store.
// We could cache these arrays and reuse them.
int[] offsets = new int[count];
ISymbolDocument[] docs = new ISymbolDocument[count];
int[] startColumn = new int[count];
int[] endColumn = new int[count];
int[] startRow = new int[count];
int[] endRow = new int[count];
method.GetSequencePoints(offsets, docs, startRow, startColumn, endRow, endColumn);
// Store them into the list
List<SequencePoint> sequencePoints = new List<SequencePoint>(count);
for (int i = 0; i < count; i++)
{
SequencePoint sp = new SequencePoint();
sp.ilOffset = offsets[i];
// If it's a special 0xFeeFee sequence point (eg, "hidden"),
// place an attribute on it to make it very easy for tools to recognize.
// See http://blogs.msdn.com/jmstall/archive/2005/06/19/FeeFee_SequencePoints.aspx
if (startRow[i] == 0xFeeFee)
{
sp.hidden = true;
}
sp.sourceId = this.m_fileMapping[docs[i].URL];
sp.startRow = startRow[i];
sp.startColumn = startColumn[i];
sp.endRow = endRow[i];
sp.endColumn = endColumn[i];
sequencePoints.Add(sp);
}
return sequencePoints;
}
private void InitSymbolInformation()
{
if (p_symbolsInitialized)
return;
p_symbolsInitialized = true;
ISymbolReader symreader = Module.GetSymReader();
p_hasSymbols = symreader != null;
if (p_hasSymbols)
{
ISymbolMethod sm = null;
sm = symreader.GetMethod(new SymbolToken((Int32)Token));
if (sm == null)
{
p_hasSymbols = false;
return;
}
p_symMethod = sm;
p_SPcount = p_symMethod.SequencePointCount;
p_SPoffsets = new Int32[p_SPcount];
p_SPdocuments = new ISymbolDocument[p_SPcount];
p_SPstartLines = new Int32[p_SPcount];
p_SPendLines = new Int32[p_SPcount];
p_SPstartColumns = new Int32[p_SPcount];
p_SPendColumns = new Int32[p_SPcount];
p_symMethod.GetSequencePoints(p_SPoffsets, p_SPdocuments, p_SPstartLines,
p_SPstartColumns, p_SPendLines, p_SPendColumns);
}
}
void Step(bool into)
{
if (stepper != null)
{
stepper.IsActive();
CorFrame frame = activeThread.ActiveFrame;
ISymbolReader reader = GetReaderForModule(frame.Function.Module.Name);
if (reader == null)
{
RawContinue(into);
return;
}
ISymbolMethod met = reader.GetMethod(new SymbolToken(frame.Function.Token));
if (met == null)
{
RawContinue(into);
return;
}
uint offset;
CorDebugMappingResult mappingResult;
frame.GetIP(out offset, out mappingResult);
// Find the current line
SequencePoint currentSeq = null;
foreach (SequencePoint sp in met.GetSequencePoints())
{
if (sp.Offset > offset)
{
break;
}
currentSeq = sp;
}
if (currentSeq == null)
{
RawContinue(into);
return;
}
// Exclude all ranges belonging to the current line
List <COR_DEBUG_STEP_RANGE> ranges = new List <COR_DEBUG_STEP_RANGE> ();
SequencePoint lastSeq = null;
foreach (SequencePoint sp in met.GetSequencePoints())
{
if (lastSeq != null && lastSeq.Line == currentSeq.Line)
{
COR_DEBUG_STEP_RANGE r = new COR_DEBUG_STEP_RANGE();
r.startOffset = (uint)lastSeq.Offset;
r.endOffset = (uint)sp.Offset;
ranges.Add(r);
}
lastSeq = sp;
}
stepper.StepRange(into, ranges.ToArray());
ClearEvalStatus();
process.SetAllThreadsDebugState(CorDebugThreadState.THREAD_RUN, null);
process.Continue(false);
}
}
// Write the sequence points for the given method
// Sequence points are the map between IL offsets and source lines.
// A single method could span multiple files (use C#'s #line directive to see for yourself).
private void WriteSequencePoints(ISymbolMethod method)
{
writer.WriteStartElement("sequencepoints");
int count = method.SequencePointCount;
writer.WriteAttributeString("total", CultureInvariantToString(count));
// Get the sequence points from the symbol store.
// We could cache these arrays and reuse them.
int[] offsets = new int[count];
ISymbolDocument[] docs = new ISymbolDocument[count];
int[] startColumn = new int[count];
int[] endColumn = new int[count];
int[] startRow = new int[count];
int[] endRow = new int[count];
method.GetSequencePoints(offsets, docs, startRow, startColumn, endRow, endColumn);
// Write out sequence points
for (int i = 0; i < count; i++)
{
writer.WriteStartElement("entry");
writer.WriteAttributeString("il_offset", AsILOffset(offsets[i]));
// If it's a special 0xFeeFee sequence point (eg, "hidden"),
// place an attribute on it to make it very easy for tools to recognize.
// See http://blogs.msdn.com/jmstall/archive/2005/06/19/FeeFee_SequencePoints.aspx
if (startRow[i] == 0xFeeFee)
{
writer.WriteAttributeString("hidden", XmlConvert.ToString(true));
}
writer.WriteAttributeString("start_row", CultureInvariantToString(startRow[i]));
writer.WriteAttributeString("start_column", CultureInvariantToString(startColumn[i]));
writer.WriteAttributeString("end_row", CultureInvariantToString(endRow[i]));
writer.WriteAttributeString("end_column", CultureInvariantToString(endColumn[i]));
//EDMAURER allow there to be PDBs generated for sources that don't have a name (document).
int fileRefVal = -1;
this.m_fileMapping.TryGetValue(docs[i].URL, out fileRefVal);
writer.WriteAttributeString("file_ref", CultureInvariantToString(fileRefVal));
writer.WriteEndElement();
}
writer.WriteEndElement(); // sequencepoints
}
internal VirtualSourceViewerForm(MainForm parent, MDbgFunction function)
{
m_function = function;
Debug.Assert(function != null);
// Now actually right in text. do this first so that we can get the current font.
BeginInit(parent);
// Get fonts
FontCache cache;
{
Font fontCurrent = richText.Font;
var emphasis = new Font(
fontCurrent.FontFamily,
fontCurrent.Size,
FontStyle.Bold
);
cache = new FontCache(emphasis);
}
// Underlying writer to the window.
var rawWriter = new RawWriter(cache);
// Il2Native mapping can be used to find out what IL offsets we can actually stop on.
Il2NativeIterator il2nativeIterator = null;
// Actual IL disassembly in string form.
ILDasmIterator ilDasm = null;
// Iterator through sequence points and source files.
SequencePointIterator seqIterator = null;
string fullName = "?";
int token = 0;
ulong nativeStartAddress = 0;
CorDebugJITCompilerFlags codeFlags = CorDebugJITCompilerFlags.CORDEBUG_JIT_DEFAULT;
// Make cross-thread call to worker thread to collect raw information.
// This needs to access MDbg and so can't be done on our UI thread.
parent.ExecuteOnWorkerThreadIfStoppedAndBlock(delegate(MDbgProcess proc)
{
Debug.Assert(proc != null);
Debug.Assert(!proc.IsRunning);
Debug.Assert(function.Module.Process == proc);
// Get some properties about this function to display.
token = function.CorFunction.Token;
nativeStartAddress =
function.CorFunction.NativeCode.Address;
codeFlags =
function.CorFunction.NativeCode.CompilerFlags;
CorCode ilCode = function.CorFunction.ILCode;
Debug.Assert(ilCode.IsIL);
byte[] code = ilCode.GetCode();
fullName = function.FullName;
// This does the real disassembly work.
string[] lines = null; // strings of IL.
ILDisassembler.Disassemble(code,
function.Module.Importer,
out lines,
out m_il2RowMapping);
ilDasm = new ILDasmIterator(rawWriter, m_il2RowMapping,
lines);
IL2NativeMap[] il2nativeMapping =
function.CorFunction.NativeCode.
GetILToNativeMapping();
il2nativeIterator = new Il2NativeIterator(rawWriter,
il2nativeMapping,
code);
// Get sequence points
ISymbolMethod symMethod = function.SymMethod;
// Sequence point information
int[] seqIlOffsets = null;
string[] seqPaths = null;
int[] seqStartLines = null,
seqEndLines = null,
seqStartColumns = null,
seqEndColumns = null;
int seqCount = 0;
if (symMethod != null)
{
seqCount = symMethod.SequencePointCount;
seqIlOffsets = new int[seqCount];
var seqDocuments = new ISymbolDocument[seqCount];
seqPaths = new string[seqCount];
seqStartLines = new int[seqCount];
seqEndLines = new int[seqCount];
seqStartColumns = new int[seqCount];
seqEndColumns = new int[seqCount];
symMethod.GetSequencePoints(seqIlOffsets,
seqDocuments,
seqStartLines,
seqStartColumns,
seqEndLines,
seqEndColumns);
for (int i = 0; i < seqCount; i++)
{
seqPaths[i] = seqDocuments[i].URL;
}
}
seqIterator = new SequencePointIterator(rawWriter,
parent,
seqIlOffsets,
seqPaths,
seqStartLines,
seqStartColumns,
seqEndLines,
seqEndColumns);
}
); // end worker call
// We assume sequence points are sorted by IL offset. We assert that in the iterators below.
// Now we need to go through and stitch the IL + Source together.
// This also works even if we have no source (since that's just the degenerate case of 0 sequence points)
// Print out header information
Debug.Assert(token != 0);
rawWriter.WriteLine(String.Format(CultureInfo.InvariantCulture,
"> Function name:{0} (token={1:x})", fullName, token));
rawWriter.WriteLine(String.Format(CultureInfo.InvariantCulture,
"> Native Code Address =0x{0:x}, flags={1}", nativeStartAddress, codeFlags));
// Walk through the IL in order and write out interleaved IL and Sequence Points.
while (!seqIterator.IsDone)
{
// Add IL snippets that occur before this sequence point.
WriteIlAndNative(ilDasm, il2nativeIterator, seqIterator.IlOffset);
seqIterator.WriteSource();
seqIterator.Next();
}
// Write the IL that's after the last sequence point
WriteIlAndNative(ilDasm, il2nativeIterator, ilDasm.IlLength);
// Set the text.
InitLines(null, rawWriter.Lines, rawWriter.FormatList);
EndInit(fullName);
}
// Write the sequence points for the given method
// Sequence points are the map between IL offsets and source lines.
// A single method could span multiple files (use C#'s #line directive to see for yourself).
private void WriteSequencePoints(ISymbolMethod method)
{
m_writer.WriteStartElement("sequencepoints");
int count = method.SequencePointCount;
m_writer.WriteAttributeString("total", Util.CultureInvariantToString(count));
// Get the sequence points from the symbol store.
// We could cache these arrays and reuse them.
var offsets = new int[count];
var docs = new ISymbolDocument[count];
var startColumn = new int[count];
var endColumn = new int[count];
var startRow = new int[count];
var endRow = new int[count];
method.GetSequencePoints(offsets, docs, startRow, startColumn, endRow, endColumn);
// Write out sequence points
for (int i = 0; i < count; i++)
{
m_writer.WriteStartElement("entry");
m_writer.WriteAttributeString("il_offset", Util.AsIlOffset(offsets[i]));
// If it's a special 0xFeeFee sequence point (eg, "hidden"),
// place an attribute on it to make it very easy for tools to recognize.
// See http://blogs.msdn.com/jmstall/archive/2005/06/19/FeeFee_SequencePoints.aspx
if (startRow[i] == 0xFeeFee)
{
m_writer.WriteAttributeString("hidden", XmlConvert.ToString(true));
}
//else
{
m_writer.WriteAttributeString("start_row", Util.CultureInvariantToString(startRow[i]));
m_writer.WriteAttributeString("start_column", Util.CultureInvariantToString(startColumn[i]));
m_writer.WriteAttributeString("end_row", Util.CultureInvariantToString(endRow[i]));
m_writer.WriteAttributeString("end_column", Util.CultureInvariantToString(endColumn[i]));
m_writer.WriteAttributeString("file_ref", Util.CultureInvariantToString(m_fileMapping[docs[i].URL]));
}
m_writer.WriteEndElement();
}
m_writer.WriteEndElement(); // sequencepoints
}
//////////////////////////////////////////////////////////////////////////////////
//
// Initialization & locals
//
//////////////////////////////////////////////////////////////////////////////////
private void EnsureIsUpToDate()
{
Debug.Assert(m_module != null);
Debug.Assert(m_module.EditsCounter >= CorFunction.Version - 1); // version cannot be greater then # of edits; versions are 1 based
if (m_isInitialized)
return; // no need to do any refresh
// perform refresh
m_isInitialized = true;
m_haveSymbols = m_module.SymReader != null;
if (m_haveSymbols)
{
ISymbolMethod sm = null;
sm = m_module.SymReader.GetMethod(new SymbolToken((int)m_function.Token), CorFunction.Version);
if (sm == null)
{
m_haveSymbols = false;
return;
}
m_symMethod = sm;
m_SPcount = m_symMethod.SequencePointCount;
m_SPoffsets = new int[m_SPcount];
m_SPdocuments = new ISymbolDocument[m_SPcount];
m_SPstartLines = new int[m_SPcount];
m_SPendLines = new int[m_SPcount];
m_SPstartColumns = new int[m_SPcount];
m_SPendColumns = new int[m_SPcount];
m_symMethod.GetSequencePoints(m_SPoffsets, m_SPdocuments, m_SPstartLines, m_SPstartColumns, m_SPendLines, m_SPendColumns);
}
}
/// <summary>
/// Read the pdb file for this module and frame
/// Retrieve infomation about the function
/// </summary>
/// <remarks>
/// When an unmanaged app like reflector loads CLR, "Function.Module.Name"
/// doesn't return a valid value and so this function returns null.
/// </remarks>
/// <returns>SourcePosition of the function</returns>
private SourcePosition GetMetaDataInfo(CorMetadataImport importer)
{
SourcePosition functionPos = null; //position in this function where we are
try
{
moduleFullName = thisFrame.Function.Module.Name;
moduleShortName = System.IO.Path.GetFileName(moduleFullName);
}
catch (ArgumentException)
{
moduleFullName = "";
moduleShortName = "";
return(null);
}
//TODO: Implement a better method to determine the symbol path than just assuming it's in the same
// directory
string sympath = ".";
//dealing with readinf the source in the module
ISymbolReader metaReader = null;
ISymbolBinder1 symbolBinder = new SymbolBinder();
try
{
if (moduleFullName.Length > 0)
{
metaReader = (symbolBinder as SymbolBinder).
GetReaderForFile(importer.RawCOMObject, moduleFullName, sympath);
}
}
catch (COMException)
{
//Debug.WriteLine(ed.ToString(CultureInfo.CurrentCulture.NumberFormat));
//will get here for any function which we cant read the .pdb file for
//its not a big deal we just wont have source and line info
}
if (metaReader != null)
{
ISymbolMethod symMethod = null;
try
{
symMethod = metaReader.GetMethod(new SymbolToken((int)thisFrame.Function.Token), thisFrame.Function.Version);
int sequenceCount = symMethod.SequencePointCount;
symDocs = new ISymbolDocument[sequenceCount];
offsets = new int[sequenceCount];
startLines = new int[sequenceCount];
startColumns = new int[sequenceCount];
endLines = new int[sequenceCount];
endColumns = new int[sequenceCount];
//Get the sequence points and store them in the apporpriate arrays. Seqeunce points
//represent the different points in the files which correlate to il instruction and lines
symMethod.GetSequencePoints(offsets, symDocs, startLines, startColumns, endLines, endColumns);
functionPos = GetSourcePositionFromFrame();
}
catch (COMException)
{
functionPos = null;
}
finally
{
symDocs = null;
symMethod = null;
}
}
CorType ctype = GetClassType();
if (ctype != null)
{
StringBuilder sb = new StringBuilder();
GetFunctionClassPath(sb, ctype);
functionFullName = sb.ToString();
}
else
{
functionFullName = "";
}
MethodInfo methIn = importer.GetMethodInfo(thisFrame.Function.Token);
functionFullName += "." + methIn.Name;
functionShortName = methIn.Name;
return(functionPos);
}
//private string[] GetCombinedSource(IEnumerable<SequencePoint> points) {
// var lines = new List<string>();
// foreach (var point in points) {
// var contentLines = documentCache.Get(point.Document, () => File.ReadAllLines(point.Document.URL));
// var start = point.Start.Row - 1;
// var end = point.End.Row - 1;
// if (start >= contentLines.Length || end >= contentLines.Length)
// continue;
// for (var i = start; i <= end; i++) {
// var line = contentLines[i];
// if (i == start)
// line = line.Substring(point.Start.Column - 1);
// else if (i == end)
// line = line.Substring(0, point.End.Column - 1);
// lines.Add(line);
// }
// }
// return lines.ToArray();
//}
private IEnumerable<SequencePoint> GetSequencePoints(ISymbolMethod method)
{
var count = method.SequencePointCount;
var offsets = new int[count];
var docs = new ISymbolDocument[count];
var startColumns = new int[count];
var endColumns = new int[count];
var startRows = new int[count];
var endRows = new int[count];
method.GetSequencePoints(offsets, docs, startRows, startColumns, endRows, endColumns);
for (int i = 0; i < count; i++) {
if (startRows[i] == SequencePointHiddenLine || endRows[i] == SequencePointHiddenLine)
continue;
yield return new SequencePoint {
Document = this.GetOrLoadContent(docs[i]),
Start = new SourcePosition(startRows[i], startColumns[i]),
End = new SourcePosition(endRows[i], endColumns[i])
};
}
}
void ReadSequencePoints(ISymbolMethod method, Hashtable instructions)
{
int count = method.SequencePointCount;
int [] offsets = new int [count];
ISymbolDocument [] docs = new ISymbolDocument [count];
int [] startColumn = new int [count];
int [] endColumn = new int [count];
int [] startRow = new int [count];
int [] endRow = new int [count];
method.GetSequencePoints (offsets, docs, startRow, startColumn, endRow, endColumn);
for (int i = 0; i < offsets.Length; i++) {
Cil.Instruction instr = (Cil.Instruction) instructions [offsets [i]];
Cil.SequencePoint sp = new Cil.SequencePoint (GetDocument (docs [i]));
sp.StartLine = startRow [i];
sp.StartColumn = startColumn [i];
sp.EndLine = endRow [i];
sp.EndColumn = endColumn [i];
instr.SequencePoint = sp;
}
}
internal static StackFrame CreateFrame(CorDebuggerSession session, CorFrame frame)
{
uint address = 0;
string file = "";
int line = 0;
string method = "";
string lang = "";
string module = "";
if (frame.FrameType == CorFrameType.ILFrame)
{
if (frame.Function != null)
{
module = frame.Function.Module.Name;
CorMetadataImport importer = new CorMetadataImport(frame.Function.Module);
MethodInfo mi = importer.GetMethodInfo(frame.Function.Token);
method = mi.DeclaringType.FullName + "." + mi.Name;
ISymbolReader reader = session.GetReaderForModule(frame.Function.Module.Name);
if (reader != null)
{
ISymbolMethod met = reader.GetMethod(new SymbolToken(frame.Function.Token));
if (met != null)
{
uint offset;
CorDebugMappingResult mappingResult;
frame.GetIP(out offset, out mappingResult);
SequencePoint prevSp = null;
foreach (SequencePoint sp in met.GetSequencePoints())
{
if (sp.Offset > offset)
{
break;
}
prevSp = sp;
}
if (prevSp != null)
{
line = prevSp.Line;
file = prevSp.Document.URL;
}
}
}
}
lang = "Managed";
}
else if (frame.FrameType == CorFrameType.NativeFrame)
{
frame.GetNativeIP(out address);
method = "<Unknown>";
lang = "Native";
}
else if (frame.FrameType == CorFrameType.InternalFrame)
{
switch (frame.InternalFrameType)
{
case CorDebugInternalFrameType.STUBFRAME_M2U: method = "[Managed to Native Transition]"; break;
case CorDebugInternalFrameType.STUBFRAME_U2M: method = "[Native to Managed Transition]"; break;
case CorDebugInternalFrameType.STUBFRAME_LIGHTWEIGHT_FUNCTION: method = "[Lightweight Method Call]"; break;
case CorDebugInternalFrameType.STUBFRAME_APPDOMAIN_TRANSITION: method = "[Application Domain Transition]"; break;
case CorDebugInternalFrameType.STUBFRAME_FUNC_EVAL: method = "[Function Evaluation]"; break;
}
}
if (method == null)
{
method = "<Unknown>";
}
return(new StackFrame((long)address, module, method, file, line, lang));
}
ISymbolDocument[] GetDocumentList(ISymbolMethod method)
{
int count = method.SequencePointCount;
// Get the sequence points from the symbol store.
// We could cache these arrays and reuse them.
int[] offsets = new int[count];
ISymbolDocument[] docs = new ISymbolDocument[count];
int[] startColumn = new int[count];
int[] endColumn = new int[count];
int[] startRow = new int[count];
int[] endRow = new int[count];
method.GetSequencePoints(offsets, docs, startRow, startColumn, endRow, endColumn);
return docs;
}
// Write the sequence points for the given method
// Sequence points are the map between IL offsets and source lines.
// A single method could span multiple files (use C#'s #line directive to see for yourself).
private void WriteSequencePoints(ISymbolMethod method)
{
int count = method.SequencePointCount;
// Get the sequence points from the symbol store.
// We could cache these arrays and reuse them.
int[] offsets = new int[count];
ISymbolDocument[] docs = new ISymbolDocument[count];
int[] startColumn = new int[count];
int[] endColumn = new int[count];
int[] startRow = new int[count];
int[] endRow = new int[count];
method.GetSequencePoints(offsets, docs, startRow, startColumn, endRow, endColumn);
xmlWriter.WriteStartElement("sequencePoints");
for (int i = 0; i < count; i++)
{
xmlWriter.WriteStartElement("entry");
// IL offsets are usually written in hexadecimal...
xmlWriter.WriteAttributeString("ilOffset", "0x" + offsets[i].ToString("x4"));
// ... but .NET XPath 1.0 cannot compare strings so we need a decimal number as well :-(
xmlWriter.WriteAttributeString("ilOffsetDec", offsets[i].ToString());
xmlWriter.WriteAttributeString("fileRef", fileMapping[docs[i].URL].ToString());
// If it's a special 0xfeefee sequence point (e.g., "hidden"),
// place an attribute on it to make it very easy for tools to recognize.
// See http://blogs.msdn.com/b/jmstall/archive/2005/06/19/feefee-sequencepoints.aspx
if (startRow[i] == 0xfeefee)
{
xmlWriter.WriteAttributeString("hidden", "true");
}
else
{
xmlWriter.WriteAttributeString("startLine", startRow[i].ToString());
xmlWriter.WriteAttributeString("startColumn", startColumn[i].ToString());
xmlWriter.WriteAttributeString("endLine", endRow[i].ToString());
xmlWriter.WriteAttributeString("endColumn", endColumn[i].ToString());
}
xmlWriter.WriteEndElement(); // </entry>
}
xmlWriter.WriteEndElement(); // </sequencePoints>
}
internal static StackFrame CreateFrame(CorDebuggerSession session, CorFrame frame)
{
// TODO: Fix remaining.
uint address = 0;
//string typeFQN;
//string typeFullName;
string addressSpace = "";
string file = "";
int line = 0;
int column = 0;
string method = "";
string lang = "";
string module = "";
string type = "";
bool hasDebugInfo = false;
bool hidden = false;
bool external = true;
if (frame.FrameType == CorFrameType.ILFrame)
{
if (frame.Function != null)
{
module = frame.Function.Module.Name;
CorMetadataImport importer = new CorMetadataImport(frame.Function.Module);
MethodInfo mi = importer.GetMethodInfo(frame.Function.Token);
method = mi.DeclaringType.FullName + "." + mi.Name;
type = mi.DeclaringType.FullName;
addressSpace = mi.Name;
ISymbolReader reader = session.GetReaderForModule(frame.Function.Module.Name);
if (reader != null)
{
ISymbolMethod met = reader.GetMethod(new SymbolToken(frame.Function.Token));
if (met != null)
{
CorDebugMappingResult mappingResult;
frame.GetIP(out address, out mappingResult);
SequencePoint prevSp = null;
foreach (SequencePoint sp in met.GetSequencePoints())
{
if (sp.Offset > address)
{
break;
}
prevSp = sp;
}
if (prevSp != null)
{
line = prevSp.Line;
column = prevSp.Offset;
file = prevSp.Document.URL;
address = (uint)prevSp.Offset;
}
}
}
// FIXME: Still steps into.
//hidden = mi.GetCustomAttributes (true).Any (v => v is System.Diagnostics.DebuggerHiddenAttribute);
}
lang = "Managed";
hasDebugInfo = true;
}
else if (frame.FrameType == CorFrameType.NativeFrame)
{
frame.GetNativeIP(out address);
method = "<Unknown>";
lang = "Native";
}
else if (frame.FrameType == CorFrameType.InternalFrame)
{
switch (frame.InternalFrameType)
{
case CorDebugInternalFrameType.STUBFRAME_M2U: method = "[Managed to Native Transition]"; break;
case CorDebugInternalFrameType.STUBFRAME_U2M: method = "[Native to Managed Transition]"; break;
case CorDebugInternalFrameType.STUBFRAME_LIGHTWEIGHT_FUNCTION: method = "[Lightweight Method Call]"; break;
case CorDebugInternalFrameType.STUBFRAME_APPDOMAIN_TRANSITION: method = "[Application Domain Transition]"; break;
case CorDebugInternalFrameType.STUBFRAME_FUNC_EVAL: method = "[Function Evaluation]"; break;
}
}
if (method == null)
{
method = "<Unknown>";
}
var loc = new SourceLocation(method, file, line, column);
return(new StackFrame((long)address, addressSpace, loc, lang, external, hasDebugInfo, hidden, null, null));
}