public static ISymbolReader CreateReader(string filename) { SymBinder binder = new SymBinder(); object objDispenser, objImporter; CoCreateInstance(ref s_dispenserClassID, null, 1, ref s_dispenserIID, out objDispenser); IMetaDataDispenser dispenser = (IMetaDataDispenser)objDispenser; dispenser.OpenScope(filename, 0, ref s_importerIID, out objImporter); IntPtr importerPtr = IntPtr.Zero; ISymbolReader reader; try { importerPtr = Marshal.GetComInterfaceForObject(objImporter, typeof(IMetadataImport)); reader = binder.GetReader(importerPtr, filename, null); } finally { if (importerPtr != IntPtr.Zero) { Marshal.Release(importerPtr); } } return(reader); }
public static ISymbolReader CreateReader(string filename, byte[] binaryFile) { SymBinder binder = new SymBinder(); object objDispenser, objImporter; CoCreateInstance(ref s_dispenserClassID, null, 1, ref s_dispenserIID, out objDispenser); IntPtr filePtr = Marshal.AllocHGlobal(binaryFile.Length); Marshal.Copy(binaryFile, 0, filePtr, binaryFile.Length); IMetaDataDispenserEx dispenser = (IMetaDataDispenserEx)objDispenser; dispenser.OpenScopeOnMemory(filePtr, (uint)binaryFile.Length, 0, ref s_importerIID, out objImporter); IntPtr importerPtr = IntPtr.Zero; ISymbolReader reader; try { importerPtr = Marshal.GetComInterfaceForObject(objImporter, typeof(IMetadataImport)); reader = binder.GetReader(importerPtr, filename, null); } finally { if (importerPtr != IntPtr.Zero) { Marshal.Release(importerPtr); } } return(reader); }
private string GetLocalVariableName(ulong instructionPointer, uint localIndex) { ClrMethod method = _context.Runtime.GetMethodByAddress(instructionPointer); ClrModule module = method.Type.Module; string pdbLocation = module.TryDownloadPdb(null); IntPtr iunkMetadataImport = Marshal.GetIUnknownForObject(module.MetadataImport); ISymbolReader reader = null; ISymbolMethod symMethod = null; try { using (var binder = new SymBinder()) { reader = binder.GetReader( iunkMetadataImport, module.FileName, Path.GetDirectoryName(pdbLocation)); symMethod = reader.GetMethod(new SymbolToken((int)method.MetadataToken)); return(GetLocalVariableName(symMethod.RootScope, localIndex)); } } catch (COMException comEx) { // E_FAIL occasionally occurs in ISymbolReader.GetMethod. Nothing we can do about it. if ((uint)comEx.HResult == 0x80004005) { return(""); } // 0x806D0005 occurs when the PDB cannot be found or doesn't contain the necessary // information to create a symbol reader. It's OK to ignore. if ((uint)comEx.HResult == 0x806D0005) { return(""); } throw; } finally { // These interfaces aren't IDisposable, but the underlying objects are. And it is // important to dispose of them properly, because if their finalizer runs on exit, // it crashes with an access violation. if (reader != null) { ((IDisposable)reader).Dispose(); } if (symMethod != null) { ((IDisposable)symMethod).Dispose(); } Marshal.Release(iunkMetadataImport); } }
private static ISymbolReader TryGetSymbolReaderForFile( SymBinder binder, string pathModule, string searchPath) { ISymbolReader reader; IMetaDataDispenser dispenser = null; IMetaDataImportStub importer = null; var importerPtr = IntPtr.Zero; try { // ReSharper disable once SuspiciousTypeConversion.Global dispenser = (IMetaDataDispenser) new CorMetaDataDispenser(); var importerGuid = new Guid(InterfaceMetaDataImportGuid); importer = (IMetaDataImportStub)dispenser.OpenScope(pathModule, 0, ref importerGuid); // This will manually AddRef the underlying object, so we need to // be very careful to Release it. importerPtr = Marshal.GetComInterfaceForObject(importer, typeof(IMetaDataImportStub)); try { reader = binder.GetReader(importerPtr, pathModule, searchPath); } catch (COMException) { reader = null; } } finally { if (importerPtr != IntPtr.Zero) { Marshal.Release(importerPtr); } if (importer != null) { Marshal.ReleaseComObject(importer); } if (dispenser != null) { Marshal.ReleaseComObject(dispenser); } } return(reader); }
static ISymbolReader InstantiateReader(SymBinder binder, string filename, object objImporter) { IntPtr importerPtr = IntPtr.Zero; ISymbolReader reader; try { importerPtr = Marshal.GetComInterfaceForObject(objImporter, typeof(IMetadataImport)); reader = binder.GetReader(importerPtr, filename, null); } finally { if (importerPtr != IntPtr.Zero) { Marshal.Release(importerPtr); } } return(reader); }
public static ISymbolReader GetSymbolReader(SymBinder binder, string pathModule) { try { object objDispenser; CoCreateInstance(ref CLSID_CorMetaDataDispenser, null, 1, ref IID_IMetaDataDispenser, out objDispenser); object objImporter; IMetaDataDispenser dispenser = (IMetaDataDispenser)objDispenser; dispenser.OpenScope(pathModule, 0, ref IID_IMetaDataImport, out objImporter); IntPtr importerPtr = IntPtr.Zero; ISymbolReader reader; try { importerPtr = Marshal.GetComInterfaceForObject(objImporter, typeof(IMetadataImport)); reader = binder.GetReader(importerPtr, pathModule, null); } finally { if (importerPtr != IntPtr.Zero) { Marshal.Release(importerPtr); } } return(reader); } catch (Exception) { return(null); } }
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()); }