public unsafe void ShouldTryAgain_Mixed()
{
var comp1 = CreateCompilationWithMscorlib("public class C { }", assemblyName: GetUniqueName());
var comp2 = CreateCompilationWithMscorlib("public class D { }", assemblyName: GetUniqueName());
using (PinnedMetadata pinned1 = new PinnedMetadata(GetMetadataBytes(comp1)),
pinned2 = new PinnedMetadata(GetMetadataBytes(comp2)))
{
var assemblyIdentity1 = comp1.Assembly.Identity;
var assemblyIdentity2 = comp2.Assembly.Identity;
Assert.NotEqual(assemblyIdentity1, assemblyIdentity2);
DkmUtilities.GetMetadataBytesPtrFunction gmdbpf = (AssemblyIdentity assemblyIdentity, out uint uSize) =>
{
if (assemblyIdentity == assemblyIdentity1)
{
uSize = (uint)pinned1.Size;
return pinned1.Pointer;
}
else if (assemblyIdentity == assemblyIdentity2)
{
uSize = (uint)pinned2.Size;
return pinned2.Pointer;
}
else
{
Marshal.ThrowExceptionForHR(unchecked((int)MetadataUtilities.CORDBG_E_MISSING_METADATA));
throw ExceptionUtilities.Unreachable;
}
};
var references = ImmutableArray.Create(default(MetadataBlock));
var unknownAssemblyIdentity = new AssemblyIdentity(GetUniqueName());
var missingAssemblyIdentities = ImmutableArray.Create(assemblyIdentity1, unknownAssemblyIdentity, assemblyIdentity2);
Assert.True(ExpressionCompiler.ShouldTryAgainWithMoreMetadataBlocks(gmdbpf, missingAssemblyIdentities, ref references));
Assert.Equal(3, references.Length);
Assert.Equal(default(MetadataBlock), references[0]);
Assert.Equal(pinned1.Pointer, references[1].Pointer);
Assert.Equal(pinned1.Size, references[1].Size);
Assert.Equal(pinned2.Pointer, references[2].Pointer);
Assert.Equal(pinned2.Size, references[2].Size);
}
}
public void ImportScopeEquality()
{
var sources = new[] { @"
extern alias A;
using System;
using C = System;
namespace N.M
{
using System.Collections;
class C1 { void F() {} }
}
namespace N.M
{
using System.Collections;
class C2 { void F() {} }
}
", @"
extern alias A;
using System;
using C = System;
namespace N.M
{
using System.Collections;
class C3 { void F() {} }
}
namespace N.M
{
using System.Collections.Generic;
class C4 { void F() {} }
}
", @"
extern alias A;
using System;
using D = System;
namespace N.M
{
using System.Collections;
class C5 { void F() {} }
}
", @"
extern alias A;
using System;
class C6 { void F() {} }
" };
var c = CreateCompilationWithMscorlib(sources, new[] { SystemCoreRef.WithAliases(ImmutableArray.Create("A")) });
var pdbStream = new MemoryStream();
c.EmitToArray(EmitOptions.Default.WithDebugInformationFormat(DebugInformationFormat.PortablePdb), pdbStream: pdbStream);
var pdbImage = pdbStream.ToImmutable();
using (var metadata = new PinnedMetadata(pdbImage))
{
var mdReader = metadata.Reader;
var writer = new StringWriter();
var mdVisualizer = new MetadataVisualizer(mdReader, writer);
mdVisualizer.WriteImportScope();
AssertEx.AssertEqualToleratingWhitespaceDifferences(@"
ImportScope (index: 0x35, size: 36):
=============================================================================================
Parent Imports
=============================================================================================
1: nil (ImportScope) 'A' (#1) = 0x23000002 (AssemblyRef)
2: 0x35000001 (ImportScope) Extern Alias 'A' (#1), 'System' (#7)
3: 0x35000001 (ImportScope) Extern Alias 'A' (#1), 'System' (#7), 'C' (#1d) = 'System' (#7)
4: 0x35000003 (ImportScope) nil
5: 0x35000004 (ImportScope) 'System.Collections' (#27)
6: 0x35000004 (ImportScope) 'System.Collections.Generic' (#4b)
7: 0x35000001 (ImportScope) Extern Alias 'A' (#1), 'System' (#7), 'D' (#69) = 'System' (#7)
8: 0x35000007 (ImportScope) nil
9: 0x35000008 (ImportScope) 'System.Collections' (#27)
", writer.ToString());
}
}
public unsafe void ShouldTryAgain_Success()
{
var comp = CreateCompilationWithMscorlib("public class C { }");
using (var pinned = new PinnedMetadata(GetMetadataBytes(comp)))
{
DkmUtilities.GetMetadataBytesPtrFunction gmdbpf = (AssemblyIdentity assemblyIdentity, out uint uSize) =>
{
uSize = (uint)pinned.Size;
return pinned.Pointer;
};
var references = ImmutableArray<MetadataBlock>.Empty;
var missingAssemblyIdentity = new AssemblyIdentity("A");
var missingAssemblyIdentities = ImmutableArray.Create(missingAssemblyIdentity);
Assert.True(ExpressionCompiler.ShouldTryAgainWithMoreMetadataBlocks(gmdbpf, missingAssemblyIdentities, ref references));
var newReference = references.Single();
Assert.Equal(pinned.Pointer, newReference.Pointer);
Assert.Equal(pinned.Size, newReference.Size);
}
}
public void SequencePointBlob()
{
string source = @"
class C
{
public static void Main()
{
if (F())
{
System.Console.WriteLine(1);
}
}
public static bool F() => false;
}
";
var c = CreateCompilationWithMscorlib(source, options: TestOptions.DebugDll);
var pdbStream = new MemoryStream();
var peBlob = c.EmitToArray(EmitOptions.Default.WithDebugInformationFormat(DebugInformationFormat.PortablePdb), pdbStream: pdbStream);
using (var peReader = new PEReader(peBlob))
using (var pdbMetadata = new PinnedMetadata(pdbStream.ToImmutable()))
{
var mdReader = peReader.GetMetadataReader();
var pdbReader = pdbMetadata.Reader;
foreach (var methodHandle in mdReader.MethodDefinitions)
{
var method = mdReader.GetMethodDefinition(methodHandle);
var methodDebugInfo = pdbReader.GetMethodDebugInformation(methodHandle);
var name = mdReader.GetString(method.Name);
TextWriter writer = new StringWriter();
foreach (var sp in methodDebugInfo.GetSequencePoints())
{
if (sp.IsHidden)
{
writer.WriteLine($"{sp.Offset}: <hidden>");
}
else
{
writer.WriteLine($"{sp.Offset}: ({sp.StartLine},{sp.StartColumn})-({sp.EndLine},{sp.EndColumn})");
}
}
var spString = writer.ToString();
var spBlob = pdbReader.GetBlobBytes(methodDebugInfo.SequencePointsBlob);
switch (name)
{
case "Main":
AssertEx.AssertEqualToleratingWhitespaceDifferences(@"
0: (5,5)-(5,6)
1: (6,9)-(6,17)
7: <hidden>
10: (7,9)-(7,10)
11: (8,13)-(8,41)
18: (9,9)-(9,10)
19: (10,5)-(10,6)
", spString);
AssertEx.Equal(new byte[]
{
0x01, // local signature
0x00, // IL offset
0x00, // Delta Lines
0x01, // Delta Columns
0x05, // Start Line
0x05, // Start Column
0x01, // delta IL offset
0x00, // Delta Lines
0x08, // Delta Columns
0x02, // delta Start Line (signed compressed)
0x08, // delta Start Column (signed compressed)
0x06, // delta IL offset
0x00, // hidden
0x00, // hidden
0x03, // delta IL offset
0x00, // Delta Lines
0x01, // Delta Columns
0x02, // delta Start Line (signed compressed)
0x00, // delta Start Column (signed compressed)
0x01, // delta IL offset
0x00, // Delta Lines
0x1C, // Delta Columns
0x02, // delta Start Line (signed compressed)
0x08, // delta Start Column (signed compressed)
0x07, // delta IL offset
0x00, // Delta Lines
0x01, // Delta Columns
0x02, // delta Start Line (signed compressed)
0x79, // delta Start Column (signed compressed)
0x01, // delta IL offset
0x00, // Delta Lines
0x01, // Delta Columns
0x02, // delta Start Line (signed compressed)
0x79, // delta Start Column (signed compressed)
}, spBlob);
break;
case "F":
AssertEx.AssertEqualToleratingWhitespaceDifferences("0: (12,31)-(12,36)", spString);
AssertEx.Equal(new byte[]
{
0x00, // local signature
0x00, // delta IL offset
0x00, // Delta Lines
0x05, // Delta Columns
0x0C, // Start Line
0x1F // Start Column
}, spBlob);
break;
}
}
}
}