/// <summary>
/// Returns the portable PDB reader for the assembly path
/// </summary>
/// <param name="assemblyPath">file path of the assembly or null</param>
/// <param name="loadedPeAddress">loaded PE image address or zero</param>
/// <param name="loadedPeSize">loaded PE image size</param>
/// <param name="inMemoryPdbAddress">in memory PDB address or zero</param>
/// <param name="inMemoryPdbSize">in memory PDB size</param>
/// <param name="reader">returns the reader</param>
/// <returns>reader</returns>
private MetadataReader GetReader(string assemblyPath, IntPtr loadedPeAddress, int loadedPeSize, IntPtr inMemoryPdbAddress, int inMemoryPdbSize)
{
if (loadedPeAddress != IntPtr.Zero)
{
Tuple <MetadataReaderProvider, MetadataReader> tuple;
if (_readerCache.TryGetValue(loadedPeAddress, out tuple))
{
return(tuple.Item2);
}
}
MetadataReaderProvider provider = null;
MetadataReader reader = null;
if (assemblyPath != null)
{
uint stamp;
int age;
Guid guid;
string pdbName = GetPdbPathFromPeStream(assemblyPath, loadedPeAddress, loadedPeSize, out age, out guid, out stamp);
if (pdbName != null && File.Exists(pdbName))
{
Stream pdbStream = File.OpenRead(pdbName);
provider = MetadataReaderProvider.FromPortablePdbStream(pdbStream);
MetadataReader rdr = provider.GetMetadataReader();
// Validate that the PDB matches the assembly version
if (age == 1 && IdEquals(rdr.DebugMetadataHeader.Id, guid, stamp))
{
reader = rdr;
}
else
{
provider.Dispose();
provider = null;
}
}
}
else if (inMemoryPdbAddress != IntPtr.Zero && inMemoryPdbSize > 0)
{
unsafe
{
provider = MetadataReaderProvider.FromPortablePdbImage((byte *)inMemoryPdbAddress.ToPointer(), inMemoryPdbSize);
reader = provider.GetMetadataReader();
}
}
if (reader != null && loadedPeAddress != IntPtr.Zero)
{
_readerCache.Add(loadedPeAddress, Tuple.Create(provider, reader));
}
return(reader);
}
/// <summary>
/// Reads the data pointed to by the specified Debug Directory entry and interprets them as Embedded Portable PDB blob.
/// </summary>
/// <returns>
/// Provider of a metadata reader reading Portable PDB image.
/// </returns>
/// <exception cref="ArgumentException"><paramref name="entry"/> is not a <see cref="DebugDirectoryEntryType.EmbeddedPortablePdb"/> entry.</exception>
/// <exception cref="BadImageFormatException">Bad format of the data.</exception>
public unsafe MetadataReaderProvider ReadEmbeddedPortablePdbDebugDirectoryData(DebugDirectoryEntry entry)
{
if (entry.Type != DebugDirectoryEntryType.EmbeddedPortablePdb)
{
throw new ArgumentException(SR.NotCodeViewEntry, nameof(entry));
}
ValidateEmbeddedPortablePdbVersion(entry);
using (var block = GetDebugDirectoryEntryDataBlock(entry))
{
var pdbImage = DecodeEmbeddedPortablePdbDebugDirectoryData(block);
return(MetadataReaderProvider.FromPortablePdbImage(pdbImage));
}
}
/// <summary>
/// Reads the data pointed to by the specified Debug Directory entry and interprets them as Embedded Portable PDB blob.
/// </summary>
/// <returns>
/// Provider of a metadata reader reading Portable PDB image.
/// </returns>
/// <exception cref="ArgumentException"><paramref name="entry"/> is not a <see cref="DebugDirectoryEntryType.EmbeddedPortablePdb"/> entry.</exception>
/// <exception cref="BadImageFormatException">Bad format of the data.</exception>
/// <exception cref="InvalidOperationException">PE image not available.</exception>
public MetadataReaderProvider ReadEmbeddedPortablePdbDebugDirectoryData(DebugDirectoryEntry entry)
{
if (entry.Type != DebugDirectoryEntryType.EmbeddedPortablePdb)
{
Throw.InvalidArgument(SR.Format(SR.UnexpectedDebugDirectoryType, nameof(DebugDirectoryEntryType.EmbeddedPortablePdb)), nameof(entry));
}
ValidateEmbeddedPortablePdbVersion(entry);
using (var block = GetDebugDirectoryEntryDataBlock(entry))
{
var pdbImage = DecodeEmbeddedPortablePdbDebugDirectoryData(block);
return(MetadataReaderProvider.FromPortablePdbImage(pdbImage));
}
}
private static MetadataReaderProvider GetMetadataReaderProvider(Module module)
{
// TODO can the PEReader be pointed at a memory location instead of reading from disk?
var dllFileContent = File.ReadAllBytes(module.FullyQualifiedName).ToImmutableArray();
var reader = new PEReader(dllFileContent);
TraceSourceLink("probing for embedded symbols: " + module.FullyQualifiedName);
if (!reader.HasMetadata)
{
return(null);
}
// https://github.com/dotnet/corefx/blob/master/src/System.Reflection.Metadata/tests/PortableExecutable/PEReaderTests.cs
var embeddedPdb = reader.ReadDebugDirectory().FirstOrDefault(x => x.Type == DebugDirectoryEntryType.EmbeddedPortablePdb);
if (!embeddedPdb.Equals(default(DebugDirectoryEntry)))
{
TraceSourceLink("found embedded symbols: " + module.FullyQualifiedName);
return(reader.ReadEmbeddedPortablePdbDebugDirectoryData(embeddedPdb));
}
var sbFile = new StringBuilder(1024);
var sbPath = new StringBuilder(1024);
if (SymGetSymbolFile(ProcessHandle, null, module.FullyQualifiedName, SymbolFileType.sfPdb, sbFile, sbFile.Capacity, sbPath, sbPath.Capacity))
{
// todo determine if pdb is not portable early
// https://github.com/tmat/corefx/blob/f808e59c3ef93e141b019d661a4443a0e19c7442/src/System.Diagnostics.StackTrace/src/System/Diagnostics/StackTraceSymbols.CoreCLR.cs#L164
TraceSourceLink("probing for portable PDB symbols: " + sbFile);
var pdbFileContent = File.ReadAllBytes(sbFile.ToString()).ToImmutableArray();
return(MetadataReaderProvider.FromPortablePdbImage(pdbFileContent));
}
else
{
TraceSourceLink("probing for portable PDB symbols failed: " + Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error()));
}
return(null);
}
public void MethodExtents(DebugInformationFormat format)
{
var source0 = MarkedSource(@"#pragma checksum ""C:\Enc1.cs"" ""{ff1816ec-aa5e-4d10-87f7-6f4963833460}"" ""1111111111111111111111111111111111111111""
using System;
public class C
{
int A() => 1;
void F()
{
#line 10 ""C:\F\A.cs""
Console.WriteLine();
#line 20 ""C:\F\B.cs""
Console.WriteLine();
#line default
}
int E() => 1;
void G()
{
Func<int> H1 = <N:0>() => 1</N:0>;
Action H2 = <N:1>() =>
{
Func<int> H3 = <N:2>() => 3</N:2>;
}</N:1>;
}
}
", fileName: @"C:\Enc1.cs");
var source1 = MarkedSource(@"#pragma checksum ""C:\Enc1.cs"" ""{ff1816ec-aa5e-4d10-87f7-6f4963833460}"" ""2222222222222222222222222222222222222222""
using System;
public class C
{
int A() => 1;
void F()
{
#line 10 ""C:\F\A.cs""
Console.WriteLine();
#line 10 ""C:\F\C.cs""
Console.WriteLine();
#line default
}
void G()
{
Func<int> H1 = <N:0>() => 1</N:0>;
Action H2 = <N:1>() =>
{
Func<int> H3 = <N:2>() => 3</N:2>;
Func<int> H4 = <N:3>() => 4</N:3>;
}</N:1>;
}
int E() => 1;
}
", fileName: @"C:\Enc1.cs");
var source2 = MarkedSource(@"#pragma checksum ""C:\Enc1.cs"" ""{ff1816ec-aa5e-4d10-87f7-6f4963833460}"" ""3333333333333333333333333333333333333333""
using System;
public class C
{
int A() => 3;
void F()
{
#line 10 ""C:\F\B.cs""
Console.WriteLine();
#line 10 ""C:\F\E.cs""
Console.WriteLine();
#line default
}
void G()
{
Action H2 = <N:1>() =>
{
Func<int> H4 = <N:3>() => 4</N:3>;
}</N:1>;
}
int E() => 1;
int B() => 4;
}
", fileName: @"C:\Enc1.cs");
var compilation0 = CreateCompilationWithMscorlib(source0.Tree, options: ComSafeDebugDll.WithMetadataImportOptions(MetadataImportOptions.All), assemblyName: "EncMethodExtents");
var compilation1 = compilation0.WithSource(source1.Tree);
var compilation2 = compilation1.WithSource(source2.Tree);
compilation0.VerifyDiagnostics();
compilation1.VerifyDiagnostics();
compilation2.VerifyDiagnostics();
var v0 = CompileAndVerify(compilation0, emitOptions: EmitOptions.Default.WithDebugInformationFormat(format));
var md0 = ModuleMetadata.CreateFromImage(v0.EmittedAssemblyData);
var f0 = compilation0.GetMember <MethodSymbol>("C.F");
var f1 = compilation1.GetMember <MethodSymbol>("C.F");
var f2 = compilation2.GetMember <MethodSymbol>("C.F");
var g0 = compilation0.GetMember <MethodSymbol>("C.G");
var g1 = compilation1.GetMember <MethodSymbol>("C.G");
var g2 = compilation2.GetMember <MethodSymbol>("C.G");
var a1 = compilation1.GetMember <MethodSymbol>("C.A");
var a2 = compilation2.GetMember <MethodSymbol>("C.A");
var b2 = compilation2.GetMember <MethodSymbol>("C.B");
var generation0 = EmitBaseline.CreateInitialBaseline(md0, v0.CreateSymReader().GetEncMethodDebugInfo);
var syntaxMap1 = GetSyntaxMapFromMarkers(source0, source1);
var diff1 = compilation1.EmitDifference(
generation0,
ImmutableArray.Create(
new SemanticEdit(SemanticEditKind.Update, f0, f1, syntaxMap1, preserveLocalVariables: true),
new SemanticEdit(SemanticEditKind.Update, g0, g1, syntaxMap1, preserveLocalVariables: true)));
diff1.VerifySynthesizedMembers(
"C: {<>c}",
"C.<>c: {<>9__3_0, <>9__3_2, <>9__3_3#1, <>9__3_1, <G>b__3_0, <G>b__3_1, <G>b__3_2, <G>b__3_3#1}");
var reader1 = diff1.GetMetadata().Reader;
CheckEncLogDefinitions(reader1,
Row(3, TableIndex.StandAloneSig, EditAndContinueOperation.Default),
Row(4, TableIndex.StandAloneSig, EditAndContinueOperation.Default),
Row(3, TableIndex.TypeDef, EditAndContinueOperation.AddField),
Row(5, TableIndex.Field, EditAndContinueOperation.Default),
Row(2, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(4, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(8, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(9, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(10, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(3, TableIndex.TypeDef, EditAndContinueOperation.AddMethod),
Row(11, TableIndex.MethodDef, EditAndContinueOperation.Default));
if (format == DebugInformationFormat.PortablePdb)
{
using (var pdbProvider = MetadataReaderProvider.FromPortablePdbImage(diff1.PdbDelta))
{
CheckEncMap(pdbProvider.GetMetadataReader(),
Handle(2, TableIndex.MethodDebugInformation),
Handle(4, TableIndex.MethodDebugInformation),
Handle(8, TableIndex.MethodDebugInformation),
Handle(9, TableIndex.MethodDebugInformation),
Handle(10, TableIndex.MethodDebugInformation),
Handle(11, TableIndex.MethodDebugInformation));
}
}
diff1.VerifyPdb(Enumerable.Range(0x06000001, 20), @"
<symbols>
<files>
<file id=""1"" name=""C:\Enc1.cs"" language=""3f5162f8-07c6-11d3-9053-00c04fa302a1"" languageVendor=""994b45c4-e6e9-11d2-903f-00c04fa302a1"" documentType=""5a869d0b-6611-11d3-bd2a-0000f80849bd"" checkSumAlgorithmId=""ff1816ec-aa5e-4d10-87f7-6f4963833460"" checkSum=""D1, 84, C6, 3, AA, 83, C0, CF, 49, E2, 52, 48, BB, 35, 99, 51, 88, 2B, 6C, D6, "" />
<file id=""2"" name=""C:\F\A.cs"" language=""3f5162f8-07c6-11d3-9053-00c04fa302a1"" languageVendor=""994b45c4-e6e9-11d2-903f-00c04fa302a1"" documentType=""5a869d0b-6611-11d3-bd2a-0000f80849bd"" />
<file id=""3"" name=""C:\F\C.cs"" language=""3f5162f8-07c6-11d3-9053-00c04fa302a1"" languageVendor=""994b45c4-e6e9-11d2-903f-00c04fa302a1"" documentType=""5a869d0b-6611-11d3-bd2a-0000f80849bd"" />
</files>
<methods>
<method token=""0x6000002"">
<customDebugInfo>
<using>
<namespace usingCount=""1"" />
</using>
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""9"" startColumn=""5"" endLine=""9"" endColumn=""6"" document=""1"" />
<entry offset=""0x1"" startLine=""10"" startColumn=""9"" endLine=""10"" endColumn=""29"" document=""2"" />
<entry offset=""0x7"" startLine=""10"" startColumn=""9"" endLine=""10"" endColumn=""29"" document=""3"" />
<entry offset=""0xd"" startLine=""15"" startColumn=""5"" endLine=""15"" endColumn=""6"" document=""1"" />
</sequencePoints>
<scope startOffset=""0x0"" endOffset=""0xe"">
<namespace name=""System"" />
</scope>
</method>
<method token=""0x6000004"">
<customDebugInfo>
<forward token=""0x6000002"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""18"" startColumn=""5"" endLine=""18"" endColumn=""6"" document=""1"" />
<entry offset=""0x1"" startLine=""19"" startColumn=""9"" endLine=""19"" endColumn=""43"" document=""1"" />
<entry offset=""0x21"" startLine=""21"" startColumn=""9"" endLine=""25"" endColumn=""17"" document=""1"" />
<entry offset=""0x41"" startLine=""26"" startColumn=""5"" endLine=""26"" endColumn=""6"" document=""1"" />
</sequencePoints>
<scope startOffset=""0x0"" endOffset=""0x42"">
<local name=""H1"" il_index=""2"" il_start=""0x0"" il_end=""0x42"" attributes=""0"" />
<local name=""H2"" il_index=""3"" il_start=""0x0"" il_end=""0x42"" attributes=""0"" />
</scope>
</method>
<method token=""0x6000008"">
<customDebugInfo>
<forward token=""0x6000002"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""19"" startColumn=""35"" endLine=""19"" endColumn=""36"" document=""1"" />
</sequencePoints>
</method>
<method token=""0x6000009"">
<customDebugInfo>
<forward token=""0x6000002"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""22"" startColumn=""9"" endLine=""22"" endColumn=""10"" document=""1"" />
<entry offset=""0x1"" startLine=""23"" startColumn=""13"" endLine=""23"" endColumn=""47"" document=""1"" />
<entry offset=""0x21"" startLine=""24"" startColumn=""13"" endLine=""24"" endColumn=""47"" document=""1"" />
<entry offset=""0x41"" startLine=""25"" startColumn=""9"" endLine=""25"" endColumn=""10"" document=""1"" />
</sequencePoints>
<scope startOffset=""0x0"" endOffset=""0x42"">
<local name=""H3"" il_index=""1"" il_start=""0x0"" il_end=""0x42"" attributes=""0"" />
<local name=""H4"" il_index=""2"" il_start=""0x0"" il_end=""0x42"" attributes=""0"" />
</scope>
</method>
<method token=""0x600000a"">
<customDebugInfo>
<forward token=""0x6000002"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""23"" startColumn=""39"" endLine=""23"" endColumn=""40"" document=""1"" />
</sequencePoints>
</method>
<method token=""0x600000b"">
<customDebugInfo>
<forward token=""0x6000002"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""24"" startColumn=""39"" endLine=""24"" endColumn=""40"" document=""1"" />
</sequencePoints>
</method>
</methods>
</symbols>
");
var syntaxMap2 = GetSyntaxMapFromMarkers(source1, source2);
var diff2 = compilation2.EmitDifference(
diff1.NextGeneration,
ImmutableArray.Create(
new SemanticEdit(SemanticEditKind.Update, f1, f2, syntaxMap2, preserveLocalVariables: true),
new SemanticEdit(SemanticEditKind.Update, g1, g2, syntaxMap2, preserveLocalVariables: true),
new SemanticEdit(SemanticEditKind.Update, a1, a2, syntaxMap2, preserveLocalVariables: true),
new SemanticEdit(SemanticEditKind.Insert, null, b2)));
diff2.VerifySynthesizedMembers(
"C: {<>c}",
"C.<>c: {<>9__3_3#1, <>9__3_1, <G>b__3_1, <G>b__3_3#1, <>9__3_0, <>9__3_2, <G>b__3_0, <G>b__3_2}");
var reader2 = diff2.GetMetadata().Reader;
CheckEncLogDefinitions(reader2,
Row(5, TableIndex.StandAloneSig, EditAndContinueOperation.Default),
Row(6, TableIndex.StandAloneSig, EditAndContinueOperation.Default),
Row(1, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(2, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(4, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(9, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(11, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(2, TableIndex.TypeDef, EditAndContinueOperation.AddMethod),
Row(12, TableIndex.MethodDef, EditAndContinueOperation.Default));
if (format == DebugInformationFormat.PortablePdb)
{
using (var pdbProvider = MetadataReaderProvider.FromPortablePdbImage(diff2.PdbDelta))
{
CheckEncMap(pdbProvider.GetMetadataReader(),
Handle(1, TableIndex.MethodDebugInformation),
Handle(2, TableIndex.MethodDebugInformation),
Handle(4, TableIndex.MethodDebugInformation),
Handle(9, TableIndex.MethodDebugInformation),
Handle(11, TableIndex.MethodDebugInformation),
Handle(12, TableIndex.MethodDebugInformation));
}
}
diff2.VerifyPdb(Enumerable.Range(0x06000001, 20), @"
<symbols>
<files>
<file id=""1"" name=""C:\Enc1.cs"" language=""3f5162f8-07c6-11d3-9053-00c04fa302a1"" languageVendor=""994b45c4-e6e9-11d2-903f-00c04fa302a1"" documentType=""5a869d0b-6611-11d3-bd2a-0000f80849bd"" checkSumAlgorithmId=""ff1816ec-aa5e-4d10-87f7-6f4963833460"" checkSum=""4D, 14, 76, DE, 68, ED, ED, C1, 88, DF, C, 85, 1C, 6B, 15, F7, BE, C0, 34, 34, "" />
<file id=""2"" name=""C:\F\B.cs"" language=""3f5162f8-07c6-11d3-9053-00c04fa302a1"" languageVendor=""994b45c4-e6e9-11d2-903f-00c04fa302a1"" documentType=""5a869d0b-6611-11d3-bd2a-0000f80849bd"" />
<file id=""3"" name=""C:\F\E.cs"" language=""3f5162f8-07c6-11d3-9053-00c04fa302a1"" languageVendor=""994b45c4-e6e9-11d2-903f-00c04fa302a1"" documentType=""5a869d0b-6611-11d3-bd2a-0000f80849bd"" />
</files>
<methods>
<method token=""0x6000001"">
<customDebugInfo>
<using>
<namespace usingCount=""1"" />
</using>
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""6"" startColumn=""16"" endLine=""6"" endColumn=""17"" document=""1"" />
</sequencePoints>
<scope startOffset=""0x0"" endOffset=""0x2"">
<namespace name=""System"" />
</scope>
</method>
<method token=""0x6000002"">
<customDebugInfo>
<forward token=""0x6000001"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""9"" startColumn=""5"" endLine=""9"" endColumn=""6"" document=""1"" />
<entry offset=""0x1"" startLine=""10"" startColumn=""9"" endLine=""10"" endColumn=""29"" document=""2"" />
<entry offset=""0x7"" startLine=""10"" startColumn=""9"" endLine=""10"" endColumn=""29"" document=""3"" />
<entry offset=""0xd"" startLine=""15"" startColumn=""5"" endLine=""15"" endColumn=""6"" document=""1"" />
</sequencePoints>
</method>
<method token=""0x6000004"">
<customDebugInfo>
<forward token=""0x6000001"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""18"" startColumn=""5"" endLine=""18"" endColumn=""6"" document=""1"" />
<entry offset=""0x1"" startLine=""21"" startColumn=""9"" endLine=""25"" endColumn=""17"" document=""1"" />
<entry offset=""0x22"" startLine=""26"" startColumn=""5"" endLine=""26"" endColumn=""6"" document=""1"" />
</sequencePoints>
<scope startOffset=""0x0"" endOffset=""0x23"">
<local name=""H2"" il_index=""4"" il_start=""0x0"" il_end=""0x23"" attributes=""0"" />
</scope>
</method>
<method token=""0x6000009"">
<customDebugInfo>
<forward token=""0x6000001"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""22"" startColumn=""9"" endLine=""22"" endColumn=""10"" document=""1"" />
<entry offset=""0x1"" startLine=""24"" startColumn=""13"" endLine=""24"" endColumn=""47"" document=""1"" />
<entry offset=""0x21"" startLine=""25"" startColumn=""9"" endLine=""25"" endColumn=""10"" document=""1"" />
</sequencePoints>
<scope startOffset=""0x0"" endOffset=""0x22"">
<local name=""H4"" il_index=""1"" il_start=""0x0"" il_end=""0x22"" attributes=""0"" />
</scope>
</method>
<method token=""0x600000b"">
<customDebugInfo>
<forward token=""0x6000001"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""24"" startColumn=""39"" endLine=""24"" endColumn=""40"" document=""1"" />
</sequencePoints>
</method>
<method token=""0x600000c"">
<customDebugInfo>
<forward token=""0x6000001"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""30"" startColumn=""16"" endLine=""30"" endColumn=""17"" document=""1"" />
</sequencePoints>
</method>
</methods>
</symbols>
");
}
internal static MetadataReaderProvider CreateProviderFromStream(IStream stream)
{
var interopStream = new ReadOnlyInteropStream(stream);
var header = new byte[2 * sizeof(int)];
int bytesRead = interopStream.TryReadAll(header, 0, header.Length);
MetadataReaderProvider provider;
// detect Embedded Portable PDB signature:
if (bytesRead == header.Length && header[0] == 'M' && header[1] == 'P' && header[2] == 'D' && header[3] == 'B')
{
int size = BitConverter.ToInt32(header, startIndex: sizeof(int));
// TODO: https://github.com/dotnet/symreader-portable/issues/47
// We could avoid allocating managed memory here if FromPortablePdbImage accepted non-seekable stream in prefetch mode.
// The implementation in S.R.M. allocates native memory.
byte[] decompressed;
try
{
decompressed = new byte[size];
}
catch
{
throw new BadImageFormatException();
}
var deflate = new DeflateStream(interopStream, CompressionMode.Decompress, leaveOpen: true);
if (size > 0)
{
int actualLength;
try
{
actualLength = deflate.TryReadAll(decompressed, 0, decompressed.Length);
}
catch (InvalidDataException e)
{
throw new BadImageFormatException(e.Message, e.InnerException);
}
if (actualLength != decompressed.Length)
{
throw new BadImageFormatException();
}
}
// Check that there is no more compressed data left,
// in case the decompressed size specified in the header is smaller
// than the actual decompressed size of the data.
if (deflate.ReadByte() != -1)
{
throw new BadImageFormatException();
}
provider = MetadataReaderProvider.FromPortablePdbImage(ImmutableByteArrayInterop.DangerousCreateFromUnderlyingArray(ref decompressed));
}
else
{
interopStream.Position = 0;
provider = MetadataReaderProvider.FromPortablePdbStream(interopStream);
}
return(provider);
}
public void MethodExtents(DebugInformationFormat format)
{
var source0 = MarkedSource(
WithWindowsLineBreaks(
@"#pragma checksum ""C:\Enc1.cs"" ""{ff1816ec-aa5e-4d10-87f7-6f4963833460}"" ""1111111111111111111111111111111111111111""
using System;
public class C
{
int A() => 1;
void F()
{
#line 10 ""C:\F\A.cs""
Console.WriteLine();
#line 20 ""C:\F\B.cs""
Console.WriteLine();
#line default
}
int E() => 1;
void G()
{
Func<int> <N:4>H1</N:4> = <N:0>() => 1</N:0>;
Action <N:5>H2</N:5> = <N:1>() =>
{
Func<int> <N:6>H3</N:6> = <N:2>() => 3</N:2>;
}</N:1>;
}
}
"
),
fileName: @"C:\Enc1.cs"
);
var source1 = MarkedSource(
WithWindowsLineBreaks(
@"#pragma checksum ""C:\Enc1.cs"" ""{ff1816ec-aa5e-4d10-87f7-6f4963833460}"" ""2222222222222222222222222222222222222222""
using System;
public class C
{
int A() => 1;
void F()
{
#line 10 ""C:\F\A.cs""
Console.WriteLine();
#line 10 ""C:\F\C.cs""
Console.WriteLine();
#line default
}
void G()
{
Func<int> <N:4>H1</N:4> = <N:0>() => 1</N:0>;
Action <N:5>H2</N:5> = <N:1>() =>
{
Func<int> <N:6>H3</N:6> = <N:2>() => 3</N:2>;
Func<int> <N:7>H4</N:7> = <N:3>() => 4</N:3>;
}</N:1>;
}
int E() => 1;
}
"
),
fileName: @"C:\Enc1.cs"
);
var source2 = MarkedSource(
WithWindowsLineBreaks(
@"#pragma checksum ""C:\Enc1.cs"" ""{ff1816ec-aa5e-4d10-87f7-6f4963833460}"" ""3333333333333333333333333333333333333333""
using System;
public class C
{
int A() => 3;
void F()
{
#line 10 ""C:\F\B.cs""
Console.WriteLine();
#line 10 ""C:\F\E.cs""
Console.WriteLine();
#line default
}
void G()
{
Action <N:5>H2</N:5> = <N:1>() =>
{
Func<int> <N:7>H4</N:7> = <N:3>() => 4</N:3>;
}</N:1>;
}
int E() => 1;
int B() => 4;
}
"
),
fileName: @"C:\Enc1.cs"
);
var compilation0 = CreateCompilation(
source0.Tree,
options: ComSafeDebugDll.WithMetadataImportOptions(MetadataImportOptions.All),
assemblyName: "EncMethodExtents"
);
var compilation1 = compilation0.WithSource(source1.Tree);
var compilation2 = compilation1.WithSource(source2.Tree);
compilation0.VerifyDiagnostics();
compilation1.VerifyDiagnostics();
compilation2.VerifyDiagnostics();
var v0 = CompileAndVerify(
compilation0,
emitOptions: EmitOptions.Default.WithDebugInformationFormat(format)
);
var md0 = ModuleMetadata.CreateFromImage(v0.EmittedAssemblyData);
var f0 = compilation0.GetMember <MethodSymbol>("C.F");
var f1 = compilation1.GetMember <MethodSymbol>("C.F");
var f2 = compilation2.GetMember <MethodSymbol>("C.F");
var g0 = compilation0.GetMember <MethodSymbol>("C.G");
var g1 = compilation1.GetMember <MethodSymbol>("C.G");
var g2 = compilation2.GetMember <MethodSymbol>("C.G");
var a1 = compilation1.GetMember <MethodSymbol>("C.A");
var a2 = compilation2.GetMember <MethodSymbol>("C.A");
var b2 = compilation2.GetMember <MethodSymbol>("C.B");
var generation0 = EmitBaseline.CreateInitialBaseline(
md0,
v0.CreateSymReader().GetEncMethodDebugInfo
);
var syntaxMap1 = GetSyntaxMapFromMarkers(source0, source1);
var diff1 = compilation1.EmitDifference(
generation0,
ImmutableArray.Create(
SemanticEdit.Create(
SemanticEditKind.Update,
f0,
f1,
syntaxMap1,
preserveLocalVariables: true
),
SemanticEdit.Create(
SemanticEditKind.Update,
g0,
g1,
syntaxMap1,
preserveLocalVariables: true
)
)
);
diff1.VerifySynthesizedMembers(
"C: {<>c}",
"C.<>c: {<>9__3_0, <>9__3_2, <>9__3_3#1, <>9__3_1, <G>b__3_0, <G>b__3_1, <G>b__3_2, <G>b__3_3#1}"
);
var reader1 = diff1.GetMetadata().Reader;
CheckEncLogDefinitions(
reader1,
Row(3, TableIndex.StandAloneSig, EditAndContinueOperation.Default),
Row(4, TableIndex.StandAloneSig, EditAndContinueOperation.Default),
Row(3, TableIndex.TypeDef, EditAndContinueOperation.AddField),
Row(5, TableIndex.Field, EditAndContinueOperation.Default),
Row(2, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(4, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(8, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(9, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(10, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(3, TableIndex.TypeDef, EditAndContinueOperation.AddMethod),
Row(11, TableIndex.MethodDef, EditAndContinueOperation.Default)
);
if (format == DebugInformationFormat.PortablePdb)
{
using var pdbProvider = MetadataReaderProvider.FromPortablePdbImage(diff1.PdbDelta);
CheckEncMap(
pdbProvider.GetMetadataReader(),
Handle(2, TableIndex.MethodDebugInformation),
Handle(4, TableIndex.MethodDebugInformation),
Handle(8, TableIndex.MethodDebugInformation),
Handle(9, TableIndex.MethodDebugInformation),
Handle(10, TableIndex.MethodDebugInformation),
Handle(11, TableIndex.MethodDebugInformation)
);
}
diff1.VerifyPdb(
Enumerable.Range(0x06000001, 20),
@"
<symbols>
<files>
<file id=""1"" name=""C:\Enc1.cs"" language=""C#"" checksumAlgorithm=""SHA1"" checksum=""0B-95-CB-78-00-AE-C7-34-45-D9-FB-31-E4-30-A4-0E-FC-EA-9E-95"" />
<file id=""2"" name=""C:\F\A.cs"" language=""C#"" />
<file id=""3"" name=""C:\F\C.cs"" language=""C#"" />
</files>
<methods>
<method token=""0x6000002"">
<customDebugInfo>
<using>
<namespace usingCount=""1"" />
</using>
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""9"" startColumn=""5"" endLine=""9"" endColumn=""6"" document=""1"" />
<entry offset=""0x1"" startLine=""10"" startColumn=""9"" endLine=""10"" endColumn=""29"" document=""2"" />
<entry offset=""0x7"" startLine=""10"" startColumn=""9"" endLine=""10"" endColumn=""29"" document=""3"" />
<entry offset=""0xd"" startLine=""15"" startColumn=""5"" endLine=""15"" endColumn=""6"" document=""1"" />
</sequencePoints>
<scope startOffset=""0x0"" endOffset=""0xe"">
<namespace name=""System"" />
</scope>
</method>
<method token=""0x6000004"">
<customDebugInfo>
<forward token=""0x6000002"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""18"" startColumn=""5"" endLine=""18"" endColumn=""6"" document=""1"" />
<entry offset=""0x1"" startLine=""19"" startColumn=""9"" endLine=""19"" endColumn=""54"" document=""1"" />
<entry offset=""0x21"" startLine=""21"" startColumn=""9"" endLine=""25"" endColumn=""17"" document=""1"" />
<entry offset=""0x41"" startLine=""26"" startColumn=""5"" endLine=""26"" endColumn=""6"" document=""1"" />
</sequencePoints>
<scope startOffset=""0x0"" endOffset=""0x42"">
<local name=""H1"" il_index=""0"" il_start=""0x0"" il_end=""0x42"" attributes=""0"" />
<local name=""H2"" il_index=""1"" il_start=""0x0"" il_end=""0x42"" attributes=""0"" />
</scope>
</method>
<method token=""0x6000008"">
<customDebugInfo>
<forward token=""0x6000002"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""19"" startColumn=""46"" endLine=""19"" endColumn=""47"" document=""1"" />
</sequencePoints>
</method>
<method token=""0x6000009"">
<customDebugInfo>
<forward token=""0x6000002"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""22"" startColumn=""9"" endLine=""22"" endColumn=""10"" document=""1"" />
<entry offset=""0x1"" startLine=""23"" startColumn=""13"" endLine=""23"" endColumn=""58"" document=""1"" />
<entry offset=""0x21"" startLine=""24"" startColumn=""13"" endLine=""24"" endColumn=""58"" document=""1"" />
<entry offset=""0x41"" startLine=""25"" startColumn=""9"" endLine=""25"" endColumn=""10"" document=""1"" />
</sequencePoints>
<scope startOffset=""0x0"" endOffset=""0x42"">
<local name=""H3"" il_index=""0"" il_start=""0x0"" il_end=""0x42"" attributes=""0"" />
<local name=""H4"" il_index=""1"" il_start=""0x0"" il_end=""0x42"" attributes=""0"" />
</scope>
</method>
<method token=""0x600000a"">
<customDebugInfo>
<forward token=""0x6000002"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""23"" startColumn=""50"" endLine=""23"" endColumn=""51"" document=""1"" />
</sequencePoints>
</method>
<method token=""0x600000b"">
<customDebugInfo>
<forward token=""0x6000002"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""24"" startColumn=""50"" endLine=""24"" endColumn=""51"" document=""1"" />
</sequencePoints>
</method>
</methods>
</symbols>
"
);
var syntaxMap2 = GetSyntaxMapFromMarkers(source1, source2);
var diff2 = compilation2.EmitDifference(
diff1.NextGeneration,
ImmutableArray.Create(
SemanticEdit.Create(
SemanticEditKind.Update,
f1,
f2,
syntaxMap2,
preserveLocalVariables: true
),
SemanticEdit.Create(
SemanticEditKind.Update,
g1,
g2,
syntaxMap2,
preserveLocalVariables: true
),
SemanticEdit.Create(
SemanticEditKind.Update,
a1,
a2,
syntaxMap2,
preserveLocalVariables: true
),
SemanticEdit.Create(SemanticEditKind.Insert, null, b2)
)
);
diff2.VerifySynthesizedMembers(
"C: {<>c}",
"C.<>c: {<>9__3_3#1, <>9__3_1, <G>b__3_1, <G>b__3_3#1, <>9__3_0, <>9__3_2, <G>b__3_0, <G>b__3_2}"
);
var reader2 = diff2.GetMetadata().Reader;
CheckEncLogDefinitions(
reader2,
Row(5, TableIndex.StandAloneSig, EditAndContinueOperation.Default),
Row(6, TableIndex.StandAloneSig, EditAndContinueOperation.Default),
Row(1, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(2, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(4, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(9, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(11, TableIndex.MethodDef, EditAndContinueOperation.Default),
Row(2, TableIndex.TypeDef, EditAndContinueOperation.AddMethod),
Row(12, TableIndex.MethodDef, EditAndContinueOperation.Default)
);
if (format == DebugInformationFormat.PortablePdb)
{
using var pdbProvider = MetadataReaderProvider.FromPortablePdbImage(diff2.PdbDelta);
CheckEncMap(
pdbProvider.GetMetadataReader(),
Handle(1, TableIndex.MethodDebugInformation),
Handle(2, TableIndex.MethodDebugInformation),
Handle(4, TableIndex.MethodDebugInformation),
Handle(9, TableIndex.MethodDebugInformation),
Handle(11, TableIndex.MethodDebugInformation),
Handle(12, TableIndex.MethodDebugInformation)
);
}
diff2.VerifyPdb(
Enumerable.Range(0x06000001, 20),
@"
<symbols>
<files>
<file id=""1"" name=""C:\Enc1.cs"" language=""C#"" checksumAlgorithm=""SHA1"" checksum=""9C-B9-FF-18-0E-9F-A4-22-93-85-A8-5A-06-11-43-1E-64-3E-88-06"" />
<file id=""2"" name=""C:\F\B.cs"" language=""C#"" />
<file id=""3"" name=""C:\F\E.cs"" language=""C#"" />
</files>
<methods>
<method token=""0x6000001"">
<customDebugInfo>
<using>
<namespace usingCount=""1"" />
</using>
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""6"" startColumn=""16"" endLine=""6"" endColumn=""17"" document=""1"" />
</sequencePoints>
<scope startOffset=""0x0"" endOffset=""0x2"">
<namespace name=""System"" />
</scope>
</method>
<method token=""0x6000002"">
<customDebugInfo>
<forward token=""0x6000001"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""9"" startColumn=""5"" endLine=""9"" endColumn=""6"" document=""1"" />
<entry offset=""0x1"" startLine=""10"" startColumn=""9"" endLine=""10"" endColumn=""29"" document=""2"" />
<entry offset=""0x7"" startLine=""10"" startColumn=""9"" endLine=""10"" endColumn=""29"" document=""3"" />
<entry offset=""0xd"" startLine=""15"" startColumn=""5"" endLine=""15"" endColumn=""6"" document=""1"" />
</sequencePoints>
</method>
<method token=""0x6000004"">
<customDebugInfo>
<forward token=""0x6000001"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""18"" startColumn=""5"" endLine=""18"" endColumn=""6"" document=""1"" />
<entry offset=""0x1"" startLine=""21"" startColumn=""9"" endLine=""25"" endColumn=""17"" document=""1"" />
<entry offset=""0x21"" startLine=""26"" startColumn=""5"" endLine=""26"" endColumn=""6"" document=""1"" />
</sequencePoints>
<scope startOffset=""0x0"" endOffset=""0x22"">
<local name=""H2"" il_index=""1"" il_start=""0x0"" il_end=""0x22"" attributes=""0"" />
</scope>
</method>
<method token=""0x6000009"">
<customDebugInfo>
<forward token=""0x6000001"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""22"" startColumn=""9"" endLine=""22"" endColumn=""10"" document=""1"" />
<entry offset=""0x1"" startLine=""24"" startColumn=""13"" endLine=""24"" endColumn=""58"" document=""1"" />
<entry offset=""0x21"" startLine=""25"" startColumn=""9"" endLine=""25"" endColumn=""10"" document=""1"" />
</sequencePoints>
<scope startOffset=""0x0"" endOffset=""0x22"">
<local name=""H4"" il_index=""1"" il_start=""0x0"" il_end=""0x22"" attributes=""0"" />
</scope>
</method>
<method token=""0x600000b"">
<customDebugInfo>
<forward token=""0x6000001"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""24"" startColumn=""50"" endLine=""24"" endColumn=""51"" document=""1"" />
</sequencePoints>
</method>
<method token=""0x600000c"">
<customDebugInfo>
<forward token=""0x6000001"" />
</customDebugInfo>
<sequencePoints>
<entry offset=""0x0"" startLine=""30"" startColumn=""16"" endLine=""30"" endColumn=""17"" document=""1"" />
</sequencePoints>
</method>
</methods>
</symbols>
"
);
}