/// <summary>
/// Gets the source position from a given Instruction Pointer
/// </summary>
/// <param name="ip">The Instruction Pointer.</param>
/// <returns>The Source Position.</returns>
private SourcePosition GetSourcePositionFromIP(int ip)
{
//EnsureIsUpToDate();
//if (!m_haveSymbols)
//return null;
const int SpecialSequencePoint = 0xfeefee;
int seqCount = offsets.Length;
if ((seqCount > 0) && (offsets[0] <= ip))
{
int i;
for (i = 0; i < seqCount; ++i)
{
if (offsets[i] >= ip)
{
break;
}
}
if (i == seqCount || offsets[i] != ip)
{
--i;
}
SourcePosition sp = null;
if (startLines[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 (startLines[j] != SpecialSequencePoint)
{
sp = new SourcePosition(false, symDocs[j].URL, startLines[j],
endLines[j], startColumns[j], endColumns[j]);
break;
}
}
if (sp == null)
{
// we didn't find any non-special seqeunce point before current one, let's try to search
// after.
j = i;
while (++j < seqCount)
{
if (startLines[j] != SpecialSequencePoint)
{
sp = new SourcePosition(false, symDocs[j].URL, startLines[j],
endLines[j], startColumns[j], endColumns[j]);
break;
}
}
}
// The following Assert somewhow is not always true for w3wp.exe (ASP.Net) process
// Debug.Assert(sp != null, "Only SpecialSequence point detected");
}
else
{
sp = new SourcePosition(false, symDocs[i].URL, startLines[i],
endLines[i], startColumns[i], endColumns[i]);
}
//<strip>@TODO ENC HACK diasymreader</strip>
//if (CorFunction.Version != 1) // function has been edited
//sp.m_fixedFile = Module.GetEditsSourceFile(CorFunction.Version - 1);
return(sp);
}
return(null);
}
/// <summary>
/// Gets the source position from a given Instruction Pointer
/// </summary>
/// <param name="ip">The Instruction Pointer.</param>
/// <returns>The Source Position.</returns>
private SourcePosition GetSourcePositionFromIP(int ip)
{
//EnsureIsUpToDate();
//if (!m_haveSymbols)
//return null;
const int SpecialSequencePoint = 0xfeefee;
int seqCount = offsets.Length;
if ((seqCount > 0) && (offsets[0] <= ip))
{
int i;
for (i = 0; i < seqCount; ++i)
{
if (offsets[i] >= ip)
{
break;
}
}
if (i == seqCount || offsets[i] != ip)
{
--i;
}
SourcePosition sp = null;
if (startLines[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 (startLines[j] != SpecialSequencePoint)
{
sp = new SourcePosition(false, symDocs[j].URL, startLines[j],
endLines[j], startColumns[j], endColumns[j]);
break;
}
}
if (sp == null)
{
// we didn't find any non-special seqeunce point before current one, let's try to search
// after.
j = i;
while (++j < seqCount)
{
if (startLines[j] != SpecialSequencePoint)
{
sp = new SourcePosition(false, symDocs[j].URL, startLines[j],
endLines[j], startColumns[j], endColumns[j]);
break;
}
}
}
// The following Assert somewhow is not always true for w3wp.exe (ASP.Net) process
// Debug.Assert(sp != null, "Only SpecialSequence point detected");
}
else
{
sp = new SourcePosition(false, symDocs[i].URL, startLines[i],
endLines[i], startColumns[i], endColumns[i]);
}
//<strip>@TODO ENC HACK diasymreader</strip>
//if (CorFunction.Version != 1) // function has been edited
//sp.m_fixedFile = Module.GetEditsSourceFile(CorFunction.Version - 1);
return sp;
}
return null;
}
/// <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 ISymbolBinder2).
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);
}