public IList <Variable> GetVariables(SRM.MethodDefinitionHandle handle)
{
var method = this.module.LookupToken(MetadataTokens.GetToken(handle)) as MethodDefinition;
if (method?.DebugInformation == null)
{
return(EmptyList <Variable> .Instance);
}
return(method.DebugInformation.GetScopes()
.SelectMany(s => s.Variables)
.Select(v => new Variable {
Name = v.Name
}).ToList());
}
public bool TryGetName(SRM.MethodDefinitionHandle handle, int index, out string name)
{
var method = this.module.LookupToken(MetadataTokens.GetToken(handle)) as MethodDefinition;
name = null;
if (method?.DebugInformation == null || !method.HasBody)
{
return(false);
}
var variable = method.Body.Variables.FirstOrDefault(v => v.Index == index);
if (variable == null)
{
return(false);
}
return(method.DebugInformation.TryGetName(variable, out name));
}
public IList <SequencePoint> GetSequencePoints(SRM.MethodDefinitionHandle handle)
{
var method = this.module.LookupToken(MetadataTokens.GetToken(handle)) as MethodDefinition;
if (method?.DebugInformation == null || !method.DebugInformation.HasSequencePoints)
{
return(EmptyList <SequencePoint> .Instance);
}
return(method.DebugInformation.SequencePoints.Select(point => new SequencePoint {
Offset = point.Offset,
StartLine = point.StartLine,
StartColumn = point.StartColumn,
EndLine = point.EndLine,
EndColumn = point.EndColumn,
DocumentUrl = point.Document.Url
}).ToList());
}
private uint CalculateMethodDefTreatmentAndRowId(MethodDefinitionHandle methodDef)
{
MethodDefTreatment treatment = MethodDefTreatment.Implementation;
TypeDefinitionHandle parentTypeDef = GetDeclaringType(methodDef);
TypeAttributes parentFlags = TypeDefTable.GetFlags(parentTypeDef);
if ((parentFlags & TypeAttributes.WindowsRuntime) != 0)
{
if (IsClrImplementationType(parentTypeDef))
{
treatment = MethodDefTreatment.Implementation;
}
else if (parentFlags.IsNested())
{
treatment = MethodDefTreatment.Implementation;
}
else if ((parentFlags & TypeAttributes.Interface) != 0)
{
treatment = MethodDefTreatment.InterfaceMethod;
}
else if (_metadataKind == MetadataKind.ManagedWindowsMetadata && (parentFlags & TypeAttributes.Public) == 0)
{
treatment = MethodDefTreatment.Implementation;
}
else
{
treatment = MethodDefTreatment.Other;
var parentBaseType = TypeDefTable.GetExtends(parentTypeDef);
if (parentBaseType.Kind == HandleKind.TypeReference)
{
switch (GetSpecialTypeRefTreatment((TypeReferenceHandle)parentBaseType))
{
case TypeRefTreatment.SystemAttribute:
treatment = MethodDefTreatment.AttributeMethod;
break;
case TypeRefTreatment.SystemDelegate:
treatment = MethodDefTreatment.DelegateMethod | MethodDefTreatment.MarkPublicFlag;
break;
}
}
}
}
if (treatment == MethodDefTreatment.Other)
{
// we want to hide the method if it implements
// only redirected interfaces
// We also want to check if the methodImpl is IClosable.Close,
// so we can change the name
bool seenRedirectedInterfaces = false;
bool seenNonRedirectedInterfaces = false;
bool isIClosableClose = false;
foreach (var methodImplHandle in new MethodImplementationHandleCollection(this, parentTypeDef))
{
MethodImplementation methodImpl = GetMethodImplementation(methodImplHandle);
if (methodImpl.MethodBody == methodDef)
{
EntityHandle declaration = methodImpl.MethodDeclaration;
// See if this MethodImpl implements a redirected interface
// In WinMD, MethodImpl will always use MemberRef and TypeRefs to refer to redirected interfaces,
// even if they are in the same module.
if (declaration.Kind == HandleKind.MemberReference &&
ImplementsRedirectedInterface((MemberReferenceHandle)declaration, out isIClosableClose))
{
seenRedirectedInterfaces = true;
if (isIClosableClose)
{
// This method implements IClosable.Close
// Let's rename to IDisposable later
// Once we know this implements IClosable.Close, we are done
// looking
break;
}
}
else
{
// Now we know this implements a non-redirected interface
// But we need to keep looking, just in case we got a methodimpl that
// implements the IClosable.Close method and needs to be renamed
seenNonRedirectedInterfaces = true;
}
}
}
if (isIClosableClose)
{
treatment = MethodDefTreatment.DisposeMethod;
}
else if (seenRedirectedInterfaces && !seenNonRedirectedInterfaces)
{
// Only hide if all the interfaces implemented are redirected
treatment = MethodDefTreatment.HiddenInterfaceImplementation;
}
}
// If treatment is other, then this is a non-managed WinRT runtime class definition
// Find out about various bits that we apply via attributes and name parsing
if (treatment == MethodDefTreatment.Other)
{
treatment |= GetMethodTreatmentFromCustomAttributes(methodDef);
}
return(TreatmentAndRowId((byte)treatment, methodDef.RowId));
}
internal DebugMetadataHeader(ImmutableArray <byte> id, MethodDefinitionHandle entryPoint, int idStartOffset)
{
Id = id;
EntryPoint = entryPoint;
IdStartOffset = idStartOffset;
}
/// <summary>
/// Returns a handle to <see cref="MethodDefinition"/> corresponding to this handle.
/// </summary>
/// <remarks>
/// The resulting handle is only valid within the context of a <see cref="MetadataReader"/> open on the type system metadata blob,
/// which in case of standalone PDB file is a different reader than the one containing this method debug information.
/// </remarks>
public MethodDefinitionHandle ToDefinitionHandle()
{
return(MethodDefinitionHandle.FromRowId(_rowId));
}
internal DebugMetadataHeader(ImmutableArray <byte> id, MethodDefinitionHandle entryPoint)
{
Id = id;
EntryPoint = entryPoint;
}