/// <summary>
/// This will return a StringHandle for the simple name of a namespace name at the given segment index.
/// If no segment index is passed explicitly or the "segment" index is greater than or equal to the number
/// of segments, then the last segment is used. "Segment" in this context refers to part of a namespace
/// name between dots.
///
/// Example: Given a NamespaceDefinitionHandle to "System.Collections.Generic.Test" called 'handle':
///
/// reader.GetString(GetSimpleName(handle)) == "Test"
/// reader.GetString(GetSimpleName(handle, 0)) == "System"
/// reader.GetString(GetSimpleName(handle, 1)) == "Collections"
/// reader.GetString(GetSimpleName(handle, 2)) == "Generic"
/// reader.GetString(GetSimpleName(handle, 3)) == "Test"
/// reader.GetString(GetSimpleName(handle, 1000)) == "Test"
/// </summary>
private StringHandle GetSimpleName(NamespaceDefinitionHandle fullNamespaceHandle, int segmentIndex = Int32.MaxValue)
{
StringHandle handleContainingSegment = fullNamespaceHandle.GetFullName();
Debug.Assert(!handleContainingSegment.IsVirtual);
int lastFoundIndex = fullNamespaceHandle.GetHeapOffset() - 1;
int currentSegment = 0;
while (currentSegment < segmentIndex)
{
int currentIndex = _metadataReader.StringStream.IndexOfRaw(lastFoundIndex + 1, '.');
if (currentIndex == -1)
{
break;
}
lastFoundIndex = currentIndex;
++currentSegment;
}
Debug.Assert(lastFoundIndex >= 0 || currentSegment == 0);
// + 1 because lastFoundIndex will either "point" to a '.', or will be -1. Either way,
// we want the next char.
int resultIndex = lastFoundIndex + 1;
return(StringHandle.FromOffset(resultIndex).WithDotTermination());
}
public void StringKinds()
{
var str = StringHandle.FromOffset(123);
Assert.Equal(StringKind.Plain, str.StringKind);
Assert.False(str.IsVirtual);
Assert.Equal(123, str.GetHeapOffset());
var vstr = StringHandle.FromVirtualIndex(StringHandle.VirtualIndex.AttributeTargets);
Assert.Equal(StringKind.Virtual, vstr.StringKind);
Assert.True(vstr.IsVirtual);
Assert.Equal(StringHandle.VirtualIndex.AttributeTargets, vstr.GetVirtualIndex());
var dot = StringHandle.FromOffset(123).WithDotTermination();
Assert.Equal(StringKind.DotTerminated, dot.StringKind);
Assert.False(dot.IsVirtual);
Assert.Equal(123, dot.GetHeapOffset());
var winrtPrefix = StringHandle.FromOffset(123).WithWinRTPrefix();
Assert.Equal(StringKind.WinRTPrefixed, winrtPrefix.StringKind);
Assert.True(winrtPrefix.IsVirtual);
Assert.Equal(123, winrtPrefix.GetHeapOffset());
}
public void IsVirtual()
{
Assert.False(AssemblyReferenceHandle.FromRowId(1).IsVirtual);
Assert.False(StringHandle.FromOffset(1).IsVirtual);
Assert.False(BlobHandle.FromOffset(1).IsVirtual);
Assert.True(AssemblyReferenceHandle.FromVirtualIndex(0).IsVirtual);
Assert.True(StringHandle.FromVirtualIndex(0).IsVirtual);
Assert.True(BlobHandle.FromVirtualIndex(0, 0).IsVirtual);
}
internal StringHandle GetNextHandle(StringHandle handle)
{
if (handle.IsVirtual)
{
return(default(StringHandle));
}
int terminator = this.Block.IndexOf(0, handle.GetHeapOffset());
if (terminator == -1 || terminator == Block.Length - 1)
{
return(default(StringHandle));
}
return(StringHandle.FromOffset(terminator + 1));
}
public void StringKinds()
{
var str = StringHandle.FromOffset(123);
Assert.Equal(StringKind.Plain, str.StringKind);
Assert.False(str.IsVirtual);
Assert.Equal(123, str.GetHeapOffset());
Assert.Equal(str, (Handle)str);
Assert.Equal(str, (StringHandle)(Handle)str);
Assert.Equal(0x78, ((Handle)str).VType);
Assert.Equal(123, ((Handle)str).Offset);
var vstr = StringHandle.FromVirtualIndex(StringHandle.VirtualIndex.AttributeTargets);
Assert.Equal(StringKind.Virtual, vstr.StringKind);
Assert.True(vstr.IsVirtual);
Assert.Equal(StringHandle.VirtualIndex.AttributeTargets, vstr.GetVirtualIndex());
Assert.Equal(vstr, (Handle)vstr);
Assert.Equal(vstr, (StringHandle)(Handle)vstr);
Assert.Equal(0xF8, ((Handle)vstr).VType);
Assert.Equal((int)StringHandle.VirtualIndex.AttributeTargets, ((Handle)vstr).Offset);
var dot = StringHandle.FromOffset(123).WithDotTermination();
Assert.Equal(StringKind.DotTerminated, dot.StringKind);
Assert.False(dot.IsVirtual);
Assert.Equal(123, dot.GetHeapOffset());
Assert.Equal(dot, (Handle)dot);
Assert.Equal(dot, (StringHandle)(Handle)dot);
Assert.Equal(0x79, ((Handle)dot).VType);
Assert.Equal(123, ((Handle)dot).Offset);
var winrtPrefix = StringHandle.FromOffset(123).WithWinRTPrefix();
Assert.Equal(StringKind.WinRTPrefixed, winrtPrefix.StringKind);
Assert.True(winrtPrefix.IsVirtual);
Assert.Equal(123, winrtPrefix.GetHeapOffset());
Assert.Equal(winrtPrefix, (Handle)winrtPrefix);
Assert.Equal(winrtPrefix, (StringHandle)(Handle)winrtPrefix);
Assert.Equal(0xF9, ((Handle)winrtPrefix).VType);
Assert.Equal(123, ((Handle)winrtPrefix).Offset);
}
public void IsNil()
{
Assert.False(ModuleDefinitionHandle.FromRowId(1).IsNil);
Assert.False(AssemblyDefinitionHandle.FromRowId(1).IsNil);
Assert.False(InterfaceImplementationHandle.FromRowId(1).IsNil);
Assert.False(MethodDefinitionHandle.FromRowId(1).IsNil);
Assert.False(MethodSpecificationHandle.FromRowId(1).IsNil);
Assert.False(TypeDefinitionHandle.FromRowId(1).IsNil);
Assert.False(ExportedTypeHandle.FromRowId(1).IsNil);
Assert.False(TypeReferenceHandle.FromRowId(1).IsNil);
Assert.False(TypeSpecificationHandle.FromRowId(1).IsNil);
Assert.False(MemberReferenceHandle.FromRowId(1).IsNil);
Assert.False(FieldDefinitionHandle.FromRowId(1).IsNil);
Assert.False(EventDefinitionHandle.FromRowId(1).IsNil);
Assert.False(PropertyDefinitionHandle.FromRowId(1).IsNil);
Assert.False(StandaloneSignatureHandle.FromRowId(1).IsNil);
Assert.False(MemberReferenceHandle.FromRowId(1).IsNil);
Assert.False(FieldDefinitionHandle.FromRowId(1).IsNil);
Assert.False(EventDefinitionHandle.FromRowId(1).IsNil);
Assert.False(PropertyDefinitionHandle.FromRowId(1).IsNil);
Assert.False(ParameterHandle.FromRowId(1).IsNil);
Assert.False(GenericParameterHandle.FromRowId(1).IsNil);
Assert.False(GenericParameterConstraintHandle.FromRowId(1).IsNil);
Assert.False(ModuleReferenceHandle.FromRowId(1).IsNil);
Assert.False(CustomAttributeHandle.FromRowId(1).IsNil);
Assert.False(DeclarativeSecurityAttributeHandle.FromRowId(1).IsNil);
Assert.False(ManifestResourceHandle.FromRowId(1).IsNil);
Assert.False(ConstantHandle.FromRowId(1).IsNil);
Assert.False(ManifestResourceHandle.FromRowId(1).IsNil);
Assert.False(AssemblyFileHandle.FromRowId(1).IsNil);
Assert.False(MethodImplementationHandle.FromRowId(1).IsNil);
Assert.False(AssemblyReferenceHandle.FromRowId(1).IsNil);
Assert.False(((EntityHandle)ModuleDefinitionHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)AssemblyDefinitionHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)InterfaceImplementationHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)MethodDefinitionHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)MethodSpecificationHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)TypeDefinitionHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)ExportedTypeHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)TypeReferenceHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)TypeSpecificationHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)MemberReferenceHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)FieldDefinitionHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)EventDefinitionHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)PropertyDefinitionHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)StandaloneSignatureHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)MemberReferenceHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)FieldDefinitionHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)EventDefinitionHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)PropertyDefinitionHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)ParameterHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)GenericParameterHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)GenericParameterConstraintHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)ModuleReferenceHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)CustomAttributeHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)DeclarativeSecurityAttributeHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)ManifestResourceHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)ConstantHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)ManifestResourceHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)AssemblyFileHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)MethodImplementationHandle.FromRowId(1)).IsNil);
Assert.False(((EntityHandle)AssemblyReferenceHandle.FromRowId(1)).IsNil);
Assert.False(StringHandle.FromOffset(1).IsNil);
Assert.False(BlobHandle.FromOffset(1).IsNil);
Assert.False(UserStringHandle.FromOffset(1).IsNil);
Assert.False(GuidHandle.FromIndex(1).IsNil);
Assert.False(((Handle)StringHandle.FromOffset(1)).IsNil);
Assert.False(((Handle)BlobHandle.FromOffset(1)).IsNil);
Assert.False(((Handle)UserStringHandle.FromOffset(1)).IsNil);
Assert.False(((Handle)GuidHandle.FromIndex(1)).IsNil);
Assert.True(ModuleDefinitionHandle.FromRowId(0).IsNil);
Assert.True(AssemblyDefinitionHandle.FromRowId(0).IsNil);
Assert.True(InterfaceImplementationHandle.FromRowId(0).IsNil);
Assert.True(MethodDefinitionHandle.FromRowId(0).IsNil);
Assert.True(MethodSpecificationHandle.FromRowId(0).IsNil);
Assert.True(TypeDefinitionHandle.FromRowId(0).IsNil);
Assert.True(ExportedTypeHandle.FromRowId(0).IsNil);
Assert.True(TypeReferenceHandle.FromRowId(0).IsNil);
Assert.True(TypeSpecificationHandle.FromRowId(0).IsNil);
Assert.True(MemberReferenceHandle.FromRowId(0).IsNil);
Assert.True(FieldDefinitionHandle.FromRowId(0).IsNil);
Assert.True(EventDefinitionHandle.FromRowId(0).IsNil);
Assert.True(PropertyDefinitionHandle.FromRowId(0).IsNil);
Assert.True(StandaloneSignatureHandle.FromRowId(0).IsNil);
Assert.True(MemberReferenceHandle.FromRowId(0).IsNil);
Assert.True(FieldDefinitionHandle.FromRowId(0).IsNil);
Assert.True(EventDefinitionHandle.FromRowId(0).IsNil);
Assert.True(PropertyDefinitionHandle.FromRowId(0).IsNil);
Assert.True(ParameterHandle.FromRowId(0).IsNil);
Assert.True(GenericParameterHandle.FromRowId(0).IsNil);
Assert.True(GenericParameterConstraintHandle.FromRowId(0).IsNil);
Assert.True(ModuleReferenceHandle.FromRowId(0).IsNil);
Assert.True(CustomAttributeHandle.FromRowId(0).IsNil);
Assert.True(DeclarativeSecurityAttributeHandle.FromRowId(0).IsNil);
Assert.True(ManifestResourceHandle.FromRowId(0).IsNil);
Assert.True(ConstantHandle.FromRowId(0).IsNil);
Assert.True(ManifestResourceHandle.FromRowId(0).IsNil);
Assert.True(AssemblyFileHandle.FromRowId(0).IsNil);
Assert.True(MethodImplementationHandle.FromRowId(0).IsNil);
Assert.True(AssemblyReferenceHandle.FromRowId(0).IsNil);
Assert.True(((EntityHandle)ModuleDefinitionHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)AssemblyDefinitionHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)InterfaceImplementationHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)MethodDefinitionHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)MethodSpecificationHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)TypeDefinitionHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)ExportedTypeHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)TypeReferenceHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)TypeSpecificationHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)MemberReferenceHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)FieldDefinitionHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)EventDefinitionHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)PropertyDefinitionHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)StandaloneSignatureHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)MemberReferenceHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)FieldDefinitionHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)EventDefinitionHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)PropertyDefinitionHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)ParameterHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)GenericParameterHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)GenericParameterConstraintHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)ModuleReferenceHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)CustomAttributeHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)DeclarativeSecurityAttributeHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)ManifestResourceHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)ConstantHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)ManifestResourceHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)AssemblyFileHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)MethodImplementationHandle.FromRowId(0)).IsNil);
Assert.True(((EntityHandle)AssemblyReferenceHandle.FromRowId(0)).IsNil);
// heaps:
Assert.True(StringHandle.FromOffset(0).IsNil);
Assert.True(BlobHandle.FromOffset(0).IsNil);
Assert.True(UserStringHandle.FromOffset(0).IsNil);
Assert.True(GuidHandle.FromIndex(0).IsNil);
Assert.True(((Handle)StringHandle.FromOffset(0)).IsNil);
Assert.True(((Handle)BlobHandle.FromOffset(0)).IsNil);
Assert.True(((Handle)UserStringHandle.FromOffset(0)).IsNil);
Assert.True(((Handle)GuidHandle.FromIndex(0)).IsNil);
// virtual:
Assert.False(AssemblyReferenceHandle.FromVirtualIndex(0).IsNil);
Assert.False(StringHandle.FromVirtualIndex(0).IsNil);
Assert.False(BlobHandle.FromVirtualIndex(0, 0).IsNil);
Assert.False(((Handle)AssemblyReferenceHandle.FromVirtualIndex(0)).IsNil);
Assert.False(((Handle)StringHandle.FromVirtualIndex(0)).IsNil);
Assert.False(((Handle)BlobHandle.FromVirtualIndex(0, 0)).IsNil);
}
internal StringHandle GetName(LocalConstantHandle handle)
{
int rowOffset = (handle.RowId - 1) * RowSize;
return(StringHandle.FromOffset(Block.PeekHeapReference(rowOffset + NameOffset, _isStringHeapRefSizeSmall)));
}