internal StackFrame(Thread thread, ICorDebugILFrame corILFrame, uint chainIndex, uint frameIndex)
{
this.process = thread.Process;
this.thread = thread;
this.appDomain = process.AppDomains[corILFrame.GetFunction().GetClass().GetModule().GetAssembly().GetAppDomain()];
this.corILFrame = corILFrame;
this.corILFramePauseSession = process.PauseSession;
this.corFunction = corILFrame.GetFunction();
this.chainIndex = chainIndex;
this.frameIndex = frameIndex;
MetaDataImport metaData = thread.Process.Modules[corFunction.GetClass().GetModule()].MetaData;
int methodGenArgs = metaData.EnumGenericParams(corFunction.GetToken()).Length;
// Class parameters are first, then the method ones
List <ICorDebugType> corGenArgs = ((ICorDebugILFrame2)corILFrame).EnumerateTypeParameters().ToList();
// Remove method parametrs at the end
corGenArgs.RemoveRange(corGenArgs.Count - methodGenArgs, methodGenArgs);
List <DebugType> genArgs = new List <DebugType>(corGenArgs.Count);
foreach (ICorDebugType corGenArg in corGenArgs)
{
genArgs.Add(DebugType.CreateFromCorType(this.AppDomain, corGenArg));
}
DebugType debugType = DebugType.CreateFromCorClass(
this.AppDomain,
null,
corFunction.GetClass(),
genArgs.ToArray()
);
this.methodInfo = (DebugMethodInfo)debugType.GetMember(corFunction.GetToken());
}
internal StackFrame(Thread thread, ICorDebugILFrame corILFrame, uint chainIndex, uint frameIndex)
{
this.process = thread.Process;
this.thread = thread;
this.appDomain = process.AppDomains[corILFrame.GetFunction().GetClass().GetModule().GetAssembly().GetAppDomain()];
this.corILFrame = corILFrame;
this.corILFramePauseSession = process.PauseSession;
this.corFunction = corILFrame.GetFunction();
this.chainIndex = chainIndex;
this.frameIndex = frameIndex;
MetaDataImport metaData = thread.Process.Modules[corFunction.GetClass().GetModule()].MetaData;
int methodGenArgs = metaData.EnumGenericParams(corFunction.GetToken()).Length;
// Class parameters are first, then the method ones
List<ICorDebugType> corGenArgs = ((ICorDebugILFrame2)corILFrame).EnumerateTypeParameters().ToList();
// Remove method parametrs at the end
corGenArgs.RemoveRange(corGenArgs.Count - methodGenArgs, methodGenArgs);
List<DebugType> genArgs = new List<DebugType>(corGenArgs.Count);
foreach(ICorDebugType corGenArg in corGenArgs) {
genArgs.Add(DebugType.CreateFromCorType(this.AppDomain, corGenArg));
}
DebugType debugType = DebugType.CreateFromCorClass(
this.AppDomain,
null,
corFunction.GetClass(),
genArgs.ToArray()
);
this.methodInfo = (DebugMethodInfo)debugType.GetMember(corFunction.GetToken());
}
public static IMethod Import(this ICompilation compilation, ICorDebugFunction corFunction)
{
Module module = compilation.GetAppDomain().Process.GetModule(corFunction.GetModule());
if (module.IsDynamic || module.IsInMemory)
{
return(module.Assembly.GetTypeDefinition("", "UnknownDynamicType").Methods.First());
}
var info = GetInfo(module.Assembly);
uint functionToken = corFunction.GetToken();
var unresolvedMethod = info.GetMethodFromToken(functionToken);
if (unresolvedMethod == null)
{
// The type containing this function wasn't loaded yet
uint classToken = corFunction.GetClass().GetToken();
var definition = ToTypeDefinitionReference(module, classToken).Resolve(new SimpleTypeResolveContext(module.Assembly)).GetDefinition();
if (definition == null)
{
throw new InvalidOperationException("Could not find class for token " + classToken);
}
definition.Methods.ToList(); // enforce loading the methods so that they get added to the dictionary
unresolvedMethod = info.GetMethodFromToken(functionToken);
if (unresolvedMethod == null)
{
throw new InvalidOperationException("Could not find function with token " + functionToken);
}
}
return(unresolvedMethod.Resolve(new SimpleTypeResolveContext(module.Assembly)));
}
/// <summary>
/// Gets the function token.
/// </summary>
/// <returns></returns>
public UInt32 GetToken()
{
UInt32 token;
cofunc.GetToken(out token);
return(token);
}
public CorFunction(ICorDebugFunction funtion)
{
corFunction = funtion;
ICorDebugModule imodule = null;
corFunction.GetModule(out imodule);
module = new CorModule(imodule);
corFunction.GetToken(out token);
//corFunction.GetLocalVarSigToken(
//ICorDebugFunctionBreakpoint breakPoint = null;
//corFunction.
}
/// <summary>
/// Finds appropriete SequncePointMap instances and builds SequencePointRemapper, gets new IL offset and call RemapFunction.
/// </summary>
public void FunctionRemapOpportunity(ICorDebugAppDomain pAppDomain, ICorDebugThread pThread, ICorDebugFunction pOldFunction, ICorDebugFunction pNewFunction, uint oldILOffset)
{
ICorDebugILFrame2 frame = (ICorDebugILFrame2) pThread.GetActiveFrame();
uint nToken = pOldFunction.GetToken();
SequencePointRemapper remapper;
if(!remappers.TryGetValue(nToken,out remapper)){
throw new KeyNotFoundException("Methods sequence points not found.");
}
frame.__RemapFunction(remapper.TranslateILOffset(oldILOffset));
}
/// <summary>
/// Finds appropriete SequncePointMap instances and builds SequencePointRemapper, gets new IL offset and call RemapFunction.
/// </summary>
public void FunctionRemapOpportunity(ICorDebugAppDomain pAppDomain, ICorDebugThread pThread, ICorDebugFunction pOldFunction, ICorDebugFunction pNewFunction, uint oldILOffset)
{
ICorDebugILFrame2 frame = (ICorDebugILFrame2)pThread.GetActiveFrame();
uint nToken = pOldFunction.GetToken();
SequencePointRemapper remapper;
if (!remappers.TryGetValue(nToken, out remapper))
{
throw new KeyNotFoundException("Methods sequence points not found.");
}
frame.__RemapFunction(remapper.TranslateILOffset(oldILOffset));
}
/// <summary>
/// 'ILStart <= ILOffset <= ILEnd' and this range includes at least
/// the returned area of source code. (May incude some extra compiler generated IL too)
/// </summary>
internal static SourcecodeSegment Resolve(Module module, ICorDebugFunction corFunction, int offset)
{
ISymUnmanagedReader symReader = module.SymReader;
if (symReader == null) return null; // No symbols
ISymUnmanagedMethod symMethod;
try {
symMethod = symReader.GetMethod(corFunction.GetToken());
} catch (COMException) {
// Can not find the method
// eg. Compiler generated constructors are not in symbol store
return null;
}
if (symMethod == null) return null;
uint sequencePointCount = symMethod.GetSequencePointCount();
SequencePoint[] sequencePoints = symMethod.GetSequencePoints();
// Get i for which: offsets[i] <= offset < offsets[i + 1]
// or fallback to first element if offset < offsets[0]
for (int i = (int)sequencePointCount - 1; i >= 0; i--) { // backwards
if ((int)sequencePoints[i].Offset <= offset || i == 0) {
// Set inforamtion about current IL range
int codeSize = (int)corFunction.GetILCode().GetSize();
int ilStart = (int)sequencePoints[i].Offset;
int ilEnd = (i + 1 < sequencePointCount) ? (int)sequencePoints[i+1].Offset : codeSize;
// 0xFeeFee means "code generated by compiler"
// If we are in generated sequence use to closest real one instead,
// extend the ILStart and ILEnd to include the 'real' sequence
// Look ahead for 'real' sequence
while (i + 1 < sequencePointCount && sequencePoints[i].Line == 0xFeeFee) {
i++;
ilEnd = (i + 1 < sequencePointCount) ? (int)sequencePoints[i+1].Offset : codeSize;
}
// Look back for 'real' sequence
while (i - 1 >= 0 && sequencePoints[i].Line == 0xFeeFee) {
i--;
ilStart = (int)sequencePoints[i].Offset;
}
// Wow, there are no 'real' sequences
if (sequencePoints[i].Line == 0xFeeFee) {
return null;
}
List<int> stepRanges = new List<int>();
for (int j = 0; j < sequencePointCount; j++) {
// Step over compiler generated sequences and current statement
// 0xFeeFee means "code generated by compiler"
if (sequencePoints[j].Line == 0xFeeFee || j == i) {
// Add start offset or remove last end (to connect two ranges into one)
if (stepRanges.Count > 0 && stepRanges[stepRanges.Count - 1] == sequencePoints[j].Offset) {
stepRanges.RemoveAt(stepRanges.Count - 1);
} else {
stepRanges.Add((int)sequencePoints[j].Offset);
}
// Add end offset | handle last sequence point
if (j + 1 < sequencePointCount) {
stepRanges.Add((int)sequencePoints[j+1].Offset);
} else {
stepRanges.Add(codeSize);
}
}
}
SourcecodeSegment segment = new SourcecodeSegment();
segment.module = module;
segment.filename = GetFilenameFromSymDocument(module, sequencePoints[i].Document);
segment.checkSum = sequencePoints[i].Document.GetCheckSum();
segment.startLine = (int)sequencePoints[i].Line;
segment.startColumn = (int)sequencePoints[i].Column;
segment.endLine = (int)sequencePoints[i].EndLine;
segment.endColumn = (int)sequencePoints[i].EndColumn;
segment.corFunction = corFunction;
segment.ilStart = ilStart;
segment.ilEnd = ilEnd;
segment.stepRanges = stepRanges.ToArray();
// VB.NET sometimes produces temporary files which it then deletes
// (eg 17d14f5c-a337-4978-8281-53493378c1071.vb)
string filename = Path.GetFileName(segment.filename);
if (filename.Length == 40 && filename.EndsWith(".vb")) {
bool guidName = true;
foreach(char c in filename.Substring(0, filename.Length - 3)) {
if (('0' <= c && c <= '9') ||
('a' <= c && c <= 'f') ||
('A' <= c && c <= 'F') ||
(c == '-'))
{
guidName = true;
} else {
guidName = false;
break;
}
}
if (guidName)
return null;
}
return segment;
}
}
return null;
}
/// <summary>
/// 'ILStart <= ILOffset <= ILEnd' and this range includes at least
/// the returned area of source code. (May incude some extra compiler generated IL too)
/// </summary>
internal static SourcecodeSegment Resolve(Module module, ICorDebugFunction corFunction, int offset)
{
ISymUnmanagedReader symReader = module.SymReader;
if (symReader == null)
{
return(null); // No symbols
}
ISymUnmanagedMethod symMethod;
try {
symMethod = symReader.GetMethod(corFunction.GetToken());
} catch (COMException) {
// Can not find the method
// eg. Compiler generated constructors are not in symbol store
return(null);
}
if (symMethod == null)
{
return(null);
}
uint sequencePointCount = symMethod.GetSequencePointCount();
SequencePoint[] sequencePoints = symMethod.GetSequencePoints();
// Get i for which: offsets[i] <= offset < offsets[i + 1]
// or fallback to first element if offset < offsets[0]
for (int i = (int)sequencePointCount - 1; i >= 0; i--) // backwards
{
if ((int)sequencePoints[i].Offset <= offset || i == 0)
{
// Set inforamtion about current IL range
int codeSize = (int)corFunction.GetILCode().GetSize();
int ilStart = (int)sequencePoints[i].Offset;
int ilEnd = (i + 1 < sequencePointCount) ? (int)sequencePoints[i + 1].Offset : codeSize;
// 0xFeeFee means "code generated by compiler"
// If we are in generated sequence use to closest real one instead,
// extend the ILStart and ILEnd to include the 'real' sequence
// Look ahead for 'real' sequence
while (i + 1 < sequencePointCount && sequencePoints[i].Line == 0xFeeFee)
{
i++;
ilEnd = (i + 1 < sequencePointCount) ? (int)sequencePoints[i + 1].Offset : codeSize;
}
// Look back for 'real' sequence
while (i - 1 >= 0 && sequencePoints[i].Line == 0xFeeFee)
{
i--;
ilStart = (int)sequencePoints[i].Offset;
}
// Wow, there are no 'real' sequences
if (sequencePoints[i].Line == 0xFeeFee)
{
return(null);
}
List <int> stepRanges = new List <int>();
for (int j = 0; j < sequencePointCount; j++)
{
// Step over compiler generated sequences and current statement
// 0xFeeFee means "code generated by compiler"
if (sequencePoints[j].Line == 0xFeeFee || j == i)
{
// Add start offset or remove last end (to connect two ranges into one)
if (stepRanges.Count > 0 && stepRanges[stepRanges.Count - 1] == sequencePoints[j].Offset)
{
stepRanges.RemoveAt(stepRanges.Count - 1);
}
else
{
stepRanges.Add((int)sequencePoints[j].Offset);
}
// Add end offset | handle last sequence point
if (j + 1 < sequencePointCount)
{
stepRanges.Add((int)sequencePoints[j + 1].Offset);
}
else
{
stepRanges.Add(codeSize);
}
}
}
SourcecodeSegment segment = new SourcecodeSegment();
segment.module = module;
segment.filename = GetFilenameFromSymDocument(module, sequencePoints[i].Document);
segment.checkSum = sequencePoints[i].Document.GetCheckSum();
segment.startLine = (int)sequencePoints[i].Line;
segment.startColumn = (int)sequencePoints[i].Column;
segment.endLine = (int)sequencePoints[i].EndLine;
segment.endColumn = (int)sequencePoints[i].EndColumn;
segment.corFunction = corFunction;
segment.ilStart = ilStart;
segment.ilEnd = ilEnd;
segment.stepRanges = stepRanges.ToArray();
// VB.NET sometimes produces temporary files which it then deletes
// (eg 17d14f5c-a337-4978-8281-53493378c1071.vb)
string filename = Path.GetFileName(segment.filename);
if (filename.Length == 40 && filename.EndsWith(".vb"))
{
bool guidName = true;
foreach (char c in filename.Substring(0, filename.Length - 3))
{
if (('0' <= c && c <= '9') ||
('a' <= c && c <= 'f') ||
('A' <= c && c <= 'F') ||
(c == '-'))
{
guidName = true;
}
else
{
guidName = false;
break;
}
}
if (guidName)
{
return(null);
}
}
return(segment);
}
}
return(null);
}
public static IMethod Import(this ICompilation compilation, ICorDebugFunction corFunction)
{
Module module = compilation.GetAppDomain().Process.GetModule(corFunction.GetModule());
if (module.IsDynamic || module.IsInMemory) {
return module.Assembly.GetTypeDefinition("", "UnknownDynamicType").Methods.First();
}
var info = GetInfo(module.Assembly);
uint functionToken = corFunction.GetToken();
var unresolvedMethod = info.GetMethodFromToken(functionToken);
if (unresolvedMethod == null) {
// The type containing this function wasn't loaded yet
uint classToken = corFunction.GetClass().GetToken();
var definition = ToTypeDefinitionReference(module, classToken).Resolve(new SimpleTypeResolveContext(module.Assembly)).GetDefinition();
if (definition == null)
throw new InvalidOperationException("Could not find class for token " + classToken);
definition.Methods.ToList(); // enforce loading the methods so that they get added to the dictionary
unresolvedMethod = info.GetMethodFromToken(functionToken);
if (unresolvedMethod == null)
throw new InvalidOperationException("Could not find function with token " + functionToken);
}
return unresolvedMethod.Resolve(new SimpleTypeResolveContext(module.Assembly));
}
