/// <summary>
/// Called when receiving a report about a method
/// </summary>
/// <param name="methodName"></param>
/// <param name="methodSig"></param>
/// <param name="bodySize"></param>
/// <param name="flags"></param>
/// <param name="implFlags"></param>
/// <param name="symbolFileId"></param>
/// <param name="methodDef"></param>
public void EnterMethod(string methodName, string methodSig, int bodySize, uint flags, uint implFlags, int symbolFileId, int methodDef)
{
currentTypedef.Methods.Add(currentMethod = new MethodEntry
{
Type = currentTypedef,
Name = methodName,
Signature = methodSig,
BodySize = bodySize,
MethodDef = methodDef,
Flags = (MethodAttributes)flags,
ImplFlags = (MethodImplAttributes)implFlags
});
if (_symbolReader != null)
{
var token = new SymbolToken(methodDef);
ISymbolMethod method;
try
{
method = _symbolReader.GetMethod(token);
var count = method.SequencePointCount;
int[] offsets = new int[count];
int[] sls = new int[count];
int[] scs = new int[count];
int[] els = new int[count];
int[] ecs = new int[count];
ISymbolDocument[] docs = new ISymbolDocument[count];
method.GetSequencePoints(offsets, docs, sls, scs, els, ecs);
for (int i = 0; i < count; i++)
{
MethodBlock block = new MethodBlock();
block.Offset = offsets[i];
var fileId = GetFileIdentifier(docs[i].URL);
if (fileId > 0 && sls[i] != 0xFEEFEE)
{
block.Start = new Position {
Column = scs[i], Line = sls[i]
};
block.End = new Position {
Column = ecs[i], Line = els[i]
};
block.File = fileId;
}
currentMethod.Blocks.Add(block);
}
docs = null;
}
catch (Exception ex)
{
}
finally
{
method = 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 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());
}
/// <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);
}
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;
}
}
//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])
});
}
}
public ISymbolMethod GetMethodFromDocumentPosition(ISymbolDocument document, int line, int column)
{
ISymUnmanagedMethod unmanagedMethod;
unmanagedReader.GetMethodFromDocumentPosition(((SymbolDocument)document).InternalDocument, line, column, out unmanagedMethod);
return(new SymbolMethod(unmanagedMethod));
}
public int GetDocumentVersion(ISymbolDocument document, out bool isCurrent)
{
int version;
unmanagedReader.GetDocumentVersion(((SymbolDocument)document).InternalDocument, out version, out isCurrent);
return(version);
}
public void GetSequencePoints(int[] offsets, ISymbolDocument[] documents, int[] lines, int[] columns, int[] endLines, int[] endColumns) {
// Any array can be null, and the documentation says we must verify the sizes.
int arySize = -1;
if (offsets != null) arySize = offsets.Length;
else if (documents != null) arySize = documents.Length;
else if (lines != null) arySize = lines.Length;
else if (columns != null) arySize = columns.Length;
else if (endLines != null) arySize = endLines.Length;
else if (endColumns != null)arySize = endColumns.Length;
if (offsets != null && offsets.Length != arySize) throw new ArgumentException("Invalid array length: offsets");
if (documents != null && documents.Length != arySize) throw new ArgumentException("Invalid array length: documents");
if (lines != null && lines.Length != arySize) throw new ArgumentException("Invalid array length: lines");
if (columns != null && columns.Length != arySize) throw new ArgumentException("Invalid array length: columns");
if (endLines != null && endLines.Length != arySize) throw new ArgumentException("Invalid array length: endLines");
if (endColumns != null && endColumns.Length != arySize) throw new ArgumentException("Invalid array length: endColumns");
if (arySize <= 0)
return;
var unDocs = documents == null ? null : new ISymUnmanagedDocument[documents.Length];
uint size;
method.GetSequencePoints((uint)arySize, out size, offsets, unDocs, lines, columns, endLines, endColumns);
if (unDocs != null) {
for (int i = 0; i < unDocs.Length; i++)
documents[i] = unDocs[i] == null ? null : new SymbolDocument(unDocs[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
});
}
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);
}
}
void ISymbolMethod.GetSequencePoints(int[] offsets, ISymbolDocument[] documents, int[] lines, int[] columns,
int[] endLines, int[] endColumns) {
int count = Lines == null ? 0 : Lines.Count;
if (offsets != null && offsets.Length != count)
throw new ArgumentException("Invalid array length: offsets");
if (documents != null && documents.Length != count)
throw new ArgumentException("Invalid array length: documents");
if (lines != null && lines.Length != count)
throw new ArgumentException("Invalid array length: lines");
if (columns != null && columns.Length != count)
throw new ArgumentException("Invalid array length: columns");
if (endLines != null && endLines.Length != count)
throw new ArgumentException("Invalid array length: endLines");
if (endColumns != null && endColumns.Length != count)
throw new ArgumentException("Invalid array length: endColumns");
if (count <= 0)
return;
int i = 0;
foreach (var line in Lines) {
offsets[i] = (int)line.Offset;
documents[i] = line.Document;
lines[i] = (int)line.LineBegin;
columns[i] = (int)line.ColumnBegin;
endLines[i] = (int)line.LineEnd;
endColumns[i] = (int)line.ColumnEnd;
i++;
}
}
// 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;
}
}
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();
}
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();
}
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 int GetOffset(
ISymbolDocument document,
int line,
int column)
{
throw new NotImplementedException("No QUT.SymbolMethod.GetOffset");
}
public int GetOffset(ISymbolDocument document, int line, int column)
{
int retVal;
unmanagedMethod.GetOffset(((SymbolDocument)document).InternalDocument, line, column, out retVal);
return(retVal);
}
//////////////////////////////////////////////////////////////////////////////////
//
// 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);
}
}
public int GetOffset(ISymbolDocument document, int line, int column) {
var symDoc = document as SymbolDocument;
if (symDoc == null)
throw new ArgumentException("document is not a non-null SymbolDocument instance");
uint result;
method.GetOffset(symDoc.SymUnmanagedDocument, (uint)line, (uint)column, out result);
return (int)result;
}
/// <summary>
/// Gets the method that contains a specified position of the document
/// </summary>
/// <param name="document">The document object</param>
/// <param name="line">Source line number</param>
/// <param name="column">Source column number</param>
/// <returns>The chosen method</returns>
public ISymbolMethod GetMethodFromDocumentPosition(ISymbolDocument doc, int line, int column)
{
ISymUnmanagedMethod unMeth;
private_reader.GetMethodFromDocumentPosition(
((SymbolDocument)doc).WrappedDoc, line, column, out unMeth);
return(new SymbolMethod(unMeth));
}
public int GetDocumentVersion(ISymbolDocument document,
out Boolean isCurrent)
{
int version = 0;
m_reader.GetDocumentVersion(((SymbolDocument)document).InternalDocument, out version, out isCurrent);
return(version);
}
// Constructor.
public SequencePoint(int offset, ISymbolDocument document,
int line, int column)
{
this.offset = offset;
this.document = document;
this.line = line;
this.column = column;
}
// Constructor.
public SequencePoint(int offset, ISymbolDocument document,
int line, int column)
{
this.offset = offset;
this.document = document;
this.line = line;
this.column = column;
}
public int[] GetRanges(ISymbolDocument document, int line, int column)
{
int cRanges;
unmanagedMethod.GetRanges(((SymbolDocument)document).InternalDocument, line, column, 0, out cRanges, null);
int[] ranges = new int[cRanges];
unmanagedMethod.GetRanges(((SymbolDocument)document).InternalDocument, line, column, cRanges, out cRanges, ranges);
return(ranges);
}
internal SourceDocument(string[] lines, string location, ISymbolDocument symbols)
{
this.Lines = lines;
this.Content = string.Join(Environment.NewLine, lines);
this.Location = location;
this.Symbols = symbols;
}
public SequencePoint(int offset, ISymbolDocument document, int lineStart, int lineStartColumn, int lineEnd, int lineEndColumn)
{
Offset = offset;
Document = document;
LineStart = lineStart;
LineStartColumn = lineStartColumn;
LineEnd = lineEnd;
LineEndColumn = lineEndColumn;
}
internal SourceDocument(string[] lines, string location, ISymbolDocument symbols)
{
this.Lines = lines;
this.Content = string.Join(Environment.NewLine, lines);
this.Location = location;
this.Symbols = symbols;
}
public SequencePoint(int offset, ISymbolDocument document, int startLine, int startColumn, int endLine,
int endColumn)
{
this.offset = offset;
this.document = document;
this.startLine = startLine;
this.startColumn = startColumn;
this.endLine = endLine;
this.endColumn = endColumn;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="symDoc">A <see cref="ISymbolDocument"/> instance</param>
public PdbDocument(ISymbolDocument symDoc) {
if (symDoc == null)
throw new ArgumentNullException("symDoc");
this.Url = symDoc.URL;
this.Language = symDoc.Language;
this.LanguageVendor = symDoc.LanguageVendor;
this.DocumentType = symDoc.DocumentType;
this.CheckSumAlgorithmId = symDoc.CheckSumAlgorithmId;
this.CheckSum = symDoc.GetCheckSum();
}
private SourceDocument GetOrLoadContent(ISymbolDocument symbols)
{
var location = symbols.URL;
if (!File.Exists(location))
return null;
return documentCache.Get(
location, () => new SourceDocument(File.ReadAllLines(location), location, symbols)
);
}
public ISymbolDocument[] GetDocuments() {
uint numDocs;
reader.GetDocuments(0, out numDocs, null);
var unDocs = new ISymUnmanagedDocument[numDocs];
reader.GetDocuments((uint)unDocs.Length, out numDocs, unDocs);
var docs = new ISymbolDocument[numDocs];
for (uint i = 0; i < numDocs; i++)
docs[i] = new SymbolDocument(unDocs[i]);
return docs;
}
public int[] GetRanges(ISymbolDocument document, int line, int column) {
var symDoc = document as SymbolDocument;
if (symDoc == null)
throw new ArgumentException("document is not a non-null SymbolDocument instance");
uint arySize;
method.GetRanges(symDoc.SymUnmanagedDocument, (uint)line, (uint)column, 0, out arySize, null);
var ary = new int[arySize];
method.GetRanges(symDoc.SymUnmanagedDocument, (uint)line, (uint)column, (uint)ary.Length, out arySize, ary);
return ary;
}
ISymbolDocument[] ISymbolReader.GetDocuments()
{
var docs = new ISymbolDocument[documents.Count];
int i = 0;
foreach (var doc in documents.Values)
{
docs[i++] = doc;
}
return(docs);
}
public ISymbolMethod GetMethodFromDocumentPosition(ISymbolDocument document, int line, int column) {
var symDoc = document as SymbolDocument;
if (symDoc == null)
throw new ArgumentException("document is not a non-null SymbolDocument instance");
ISymUnmanagedMethod unMethod;
int hr = reader.GetMethodFromDocumentPosition(symDoc.SymUnmanagedDocument, (uint)line, (uint)column, out unMethod);
if (hr == E_FAIL)
return null;
Marshal.ThrowExceptionForHR(hr);
return unMethod == null ? null : new SymbolMethod(unMethod);
}
public ISymbolDocument[] GetDocuments()
{
uint numDocs;
reader.GetDocuments(0, out numDocs, null);
var unDocs = new ISymUnmanagedDocument[numDocs];
reader.GetDocuments((uint)unDocs.Length, out numDocs, unDocs);
var docs = new ISymbolDocument[numDocs];
for (uint i = 0; i < numDocs; i++)
docs[i] = new SymbolDocument(unDocs[i]);
return docs;
}
public ISymbolMethod GetMethodFromDocumentPosition(ISymbolDocument document, int line, int column)
{
var symDoc = document as SymbolDocument;
if (symDoc == null)
throw new ArgumentException("document is not a non-null SymbolDocument instance");
ISymUnmanagedMethod unMethod;
int hr = reader.GetMethodFromDocumentPosition(symDoc.SymUnmanagedDocument, (uint)line, (uint)column, out unMethod);
if (hr == E_FAIL)
return null;
Marshal.ThrowExceptionForHR(hr);
return unMethod == null ? null : new SymbolMethod(unMethod);
}
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;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="symDoc">A <see cref="ISymbolDocument"/> instance</param>
public PdbDocument(ISymbolDocument symDoc)
{
if (symDoc == null)
{
throw new ArgumentNullException("symDoc");
}
this.Url = symDoc.URL;
this.Language = symDoc.Language;
this.LanguageVendor = symDoc.LanguageVendor;
this.DocumentType = symDoc.DocumentType;
this.CheckSumAlgorithmId = symDoc.CheckSumAlgorithmId;
this.CheckSum = symDoc.GetCheckSum();
}
public int GetOffset(ISymbolDocument document, int line, int column)
{
var symDoc = document as SymbolDocument;
if (symDoc == null)
{
throw new ArgumentException("document is not a non-null SymbolDocument instance");
}
uint result;
method.GetOffset(symDoc.SymUnmanagedDocument, (uint)line, (uint)column, out result);
return((int)result);
}
private SourceDocument GetOrLoadContent(ISymbolDocument symbols)
{
var location = symbols.URL;
if (!File.Exists(location))
{
return(null);
}
return(documentCache.Get(
location, () => new SourceDocument(File.ReadAllLines(location), location, symbols)
));
}
private bool attemptSetBreakpoint(ISymbolReader reader, ISymbolDocument doc, CorModule module)
{
if (!doc.URL.Equals(_breakpoint.File))
return false;
var line = doc.FindClosestLine(_breakpoint.Line);
var method = reader.GetMethodFromDocumentPosition(doc, line, _breakpoint.Column);
var function = module.GetFunctionFromToken(method.Token.GetToken());
var wasSet = attemptToSetBreakpointThroughSequencePoints(doc, line, method, function);
if (!wasSet)
setBreakpointThroughFunction(function);
return true;
}
internal int GetIPFromPosition(ISymbolDocument document, int lineNumber)
{
EnsureIsUpToDate();
for (int i = 0; i < m_SPcount; i++)
{
if (document.URL.Equals(m_SPdocuments[i].URL) &&
lineNumber == m_SPstartLines[i])
{
return(m_SPoffsets[i]);
}
}
return(-1);
}
public ISymbolMethod GetMethodFromDocumentPosition(ISymbolDocument document, int line, int column)
{
var symDocument = document as SymbolDocument;
if (symDocument == null)
{
throw new InvalidOperationException();
}
ISymUnmanagedMethod unmanagedMethod;
HRESULT.ThrowOnFailure(_unmanaged.GetMethodFromDocumentPosition(symDocument.Unmanaged, line, column, out unmanagedMethod));
return(new SymbolMethod(unmanagedMethod));
}
public int GetOffset(ISymbolDocument document, int line, int column)
{
var symDocument = document as SymbolDocument;
if (symDocument == null)
{
throw new InvalidOperationException();
}
int value;
HRESULT.ThrowOnFailure(_unmanaged.GetOffset(symDocument.Unmanaged, line, column, out value));
return(value);
}
private bool attemptToSetBreakpointThroughSequencePoints(ISymbolDocument doc, int line, ISymbolMethod method, CorFunction function)
{
bool found = false;
foreach (var sp in getSequencePoints(method))
{
if (sp.Document.URL.Equals(doc.URL) && sp.LineStart.Equals(line))
{
var bp = function.ILCode.CreateBreakpoint(sp.Offset);
bp.Activate(true);
found = true;
break;
}
}
return found;
}
public static SequencePoint[] GetSequencePoints(this ISymbolMethod method)
{
var offsets = new int[method.SequencePointCount];
var documents = new ISymbolDocument[method.SequencePointCount];
var lines = new int[method.SequencePointCount];
var columns = new int[method.SequencePointCount];
var endLines = new int[method.SequencePointCount];
var endColumns = new int[method.SequencePointCount];
var sequencePoints = new SequencePoint[method.SequencePointCount];
method.GetSequencePoints(offsets, documents, lines, columns, endLines, endColumns);
for (int i = 0; i < method.SequencePointCount; i++)
{
var location = new SourceLocation(documents[i].URL, lines[i], columns[i], endLines[i], endColumns[i]);
sequencePoints[i] = new SequencePoint(offsets[i], location);
}
return sequencePoints;
}
//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])
};
}
}
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();
}
public int GetOffset(ISymbolDocument document,
int line,
int column)
{
int retVal = 0;
m_unmanagedMethod.GetOffset(((SymbolDocument) document).InternalDocument, line, column, out retVal);
return retVal;
}
// parent - main containing window that this source window lives inside of.
// function - function for which we're building virtual source around.
// Get the IL from the given frame.
// Called on UI thread.
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 = this.richText.Font;
Font emphasis = new Font(
fontCurrent.FontFamily,
fontCurrent.Size,
FontStyle.Bold
);
cache = new FontCache(emphasis);
}
// Underlying writer to the window.
RawWriter 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(true == 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];
ISymbolDocument[] 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);
}
public virtual int GetOffset
(ISymbolDocument document, int line, int column)
{
// Load the sequence point information.
LoadSequencePoints();
// Search for an applicable block, based on the line number.
int index;
SequencePoint seq1;
SequencePoint seq2;
for(index = 0; index < sequencePoints.Count; ++index)
{
seq1 = (SequencePoint)(sequencePoints[index]);
if(line >= seq1.line)
{
if(index < sequencePoints.Count - 1)
{
seq2 = (SequencePoint)(sequencePoints[index + 1]);
if(line < seq2.line)
{
if(document == null || seq1.document == null ||
document.URL == seq1.document.URL)
{
return seq1.offset;
}
}
}
else
{
if(document == null || seq1.document == null ||
document.URL == seq1.document.URL)
{
return seq1.offset;
}
}
}
}
// Could not find the offset, so assume offset zero.
return 0;
}
public virtual bool GetSourceStartEnd
(ISymbolDocument[] docs, int[] lines, int[] columns)
{
throw new NotSupportedException();
}
public virtual void GetSequencePoints
(int[] offsets, ISymbolDocument[] documents,
int[] lines, int[] columns, int[] endLines,
int[] endColumns)
{
int index;
LoadSequencePoints();
for(index = 0; index < sequencePoints.Count; ++index)
{
if(offsets != null && index < offsets.Length)
{
offsets[index] =
((SequencePoint)(sequencePoints[index])).offset;
}
if(documents != null && index < documents.Length)
{
documents[index] =
((SequencePoint)(sequencePoints[index])).document;
}
if(lines != null && index < lines.Length)
{
lines[index] =
((SequencePoint)(sequencePoints[index])).line;
}
if(columns != null && index < columns.Length)
{
columns[index] =
((SequencePoint)(sequencePoints[index])).column;
}
if(endLines != null && index < endLines.Length)
{
// This information is not available.
endLines[index] = 0;
}
if(endColumns != null && index < endColumns.Length)
{
// This information is not available.
endColumns[index] = 0;
}
}
}
public virtual int[] GetRanges
(ISymbolDocument document, int line, int column)
{
// Not used in this implementation.
return new int [0];
}
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;
}
}
internal int GetIPFromPosition(ISymbolDocument document, int lineNumber)
{
EnsureIsUpToDate();
for (int i = 0; i < m_SPcount; i++)
{
if (document.URL.Equals(m_SPdocuments[i].URL) &&
lineNumber == m_SPstartLines[i])
return m_SPoffsets[i];
}
return -1;
}
// 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;
}
public void GetSequencePoints(int[] offsets,
ISymbolDocument[] documents,
int[] lines,
int[] columns,
int[] endLines,
int[] endColumns)
{
int spCount = 0;
if (offsets != null)
spCount = offsets.Length;
else if (documents != null)
spCount = documents.Length;
else if (lines != null)
spCount = lines.Length;
else if (columns != null)
spCount = columns.Length;
else if (endLines != null)
spCount = endLines.Length;
else if (endColumns != null)
spCount = endColumns.Length;
// Don't do anything if they're not really asking for anything.
if (spCount == 0)
return;
// Make sure all arrays are the same length.
if ((offsets != null) && (spCount != offsets.Length))
throw new ArgumentException();
if ((lines != null) && (spCount != lines.Length))
throw new ArgumentException();
if ((columns != null) && (spCount != columns.Length))
throw new ArgumentException();
if ((endLines != null) && (spCount != endLines.Length))
throw new ArgumentException();
if ((endColumns != null) && (spCount != endColumns.Length))
throw new ArgumentException();
var unmanagedDocuments = new ISymUnmanagedDocument[documents.Length];
int cPoints = 0;
uint i;
m_unmanagedMethod.GetSequencePoints(documents.Length, out cPoints,
offsets, unmanagedDocuments,
lines, columns,
endLines, endColumns);
// Create the SymbolDocument form the IntPtr's
for (i = 0; i < documents.Length; i++)
{
documents[i] = new SymbolDocument(unmanagedDocuments[i]);
}
return;
}
public bool GetSourceStartEnd(ISymbolDocument[] docs,
int[] lines,
int[] columns)
{
uint i;
bool pRetVal = false;
int spCount = 0;
if (docs != null)
spCount = docs.Length;
else if (lines != null)
spCount = lines.Length;
else if (columns != null)
spCount = columns.Length;
// If we don't have at least 2 entries then return an error
if (spCount < 2)
throw new ArgumentException();
// Make sure all arrays are the same length.
if ((docs != null) && (spCount != docs.Length))
throw new ArgumentException();
if ((lines != null) && (spCount != lines.Length))
throw new ArgumentException();
if ((columns != null) && (spCount != columns.Length))
throw new ArgumentException();
var unmanagedDocuments = new ISymUnmanagedDocument[docs.Length];
m_unmanagedMethod.GetSourceStartEnd(unmanagedDocuments, lines, columns, out pRetVal);
if (pRetVal)
{
for (i = 0; i < docs.Length; i++)
{
docs[i] = new SymbolDocument(unmanagedDocuments[i]);
}
}
return pRetVal;
}
public int[] GetRanges(ISymbolDocument document,
int line,
int column)
{
int cRanges = 0;
m_unmanagedMethod.GetRanges(((SymbolDocument) document).InternalDocument, line, column, 0, out cRanges, null);
var Ranges = new int[cRanges];
m_unmanagedMethod.GetRanges(((SymbolDocument) document).InternalDocument, line, column, cRanges, out cRanges,
Ranges);
return Ranges;
}