private void WriteField()
{
AddHeader(
"Name",
"Signature",
"Attributes",
"Marshalling",
"Offset",
"RVA"
);
foreach (var handle in reader.FieldDefinitions)
{
var entry = reader.GetField(handle);
int offset = entry.GetOffset();
AddRow(
Literal(entry.Name),
Literal(entry.Signature),
EnumValue <int>(entry.Attributes),
Literal(entry.GetMarshallingDescriptor()),
offset >= 0 ? offset.ToString() : "n/a",
entry.GetRelativeVirtualAddress().ToString()
);
}
WriteRows("Field (0x04):");
}
private MemberInfo GetOrAddFieldInfo(FieldHandle handle)
{
if (this.fields == null)
{
this.fields = new Dictionary <FieldHandle, MemberInfo>();
}
MemberInfo result = null;
if (!fields.TryGetValue(handle, out result))
{
result = new MemberInfo(MemberKind.Field);
var field = metadataReader.GetField(handle);
result.Token = metadataReader.GetToken(handle);
result.DeclaringTypeHandle = metadataReader.GetDeclaringType(handle);
if (result.DeclaringTypeHandle.IsNil)
{
throw null;
}
result.Handle = handle;
fields[handle] = result;
}
return(result);
}
public static StringHandle[] GetFieldDefNames(this MetadataReader reader)
{
var builder = ArrayBuilder <StringHandle> .GetInstance();
foreach (var handle in reader.FieldDefinitions)
{
var def = reader.GetField(handle);
builder.Add(def.Name);
}
return(builder.ToArrayAndFree());
}
public override ClassLayoutMetadata GetClassLayout()
{
ClassLayoutMetadata result;
result.PackingSize = checked ((int)_typeDefinition.PackingSize);
result.Size = checked ((int)_typeDefinition.Size);
// Skip reading field offsets if this is not explicit layout
if (IsExplicitLayout)
{
var fieldDefinitionHandles = _typeDefinition.Fields;
var numInstanceFields = 0;
foreach (var handle in fieldDefinitionHandles)
{
var fieldDefinition = MetadataReader.GetField(handle);
if ((fieldDefinition.Flags & FieldAttributes.Static) != 0)
{
continue;
}
numInstanceFields++;
}
result.Offsets = new FieldAndOffset[numInstanceFields];
int index = 0;
foreach (var handle in fieldDefinitionHandles)
{
var fieldDefinition = MetadataReader.GetField(handle);
if ((fieldDefinition.Flags & FieldAttributes.Static) != 0)
{
continue;
}
// Note: GetOffset() returns -1 when offset was not set in the metadata
int fieldOffsetInMetadata = (int)fieldDefinition.Offset;
LayoutInt fieldOffset = fieldOffsetInMetadata == -1 ? FieldAndOffset.InvalidOffset : new LayoutInt(fieldOffsetInMetadata);
result.Offsets[index] =
new FieldAndOffset(_metadataUnit.GetField(handle, this), fieldOffset);
index++;
}
}
else
{
result.Offsets = null;
}
return(result);
}
/// <summary>
/// Try to figure out field access information based on type metadata for native format types.
/// </summary>
/// <param name="metadataReader">Metadata reader for the declaring type</param>
/// <param name="declaringTypeHandle">Declaring type for the method</param>
/// <param name="fieldHandle">Field handle</param>
/// <param name="canonFormKind">Canonical form to use</param>
/// <param name="fieldAccessMetadata">Output - metadata information for field accessor construction</param>
/// <returns>true when found, false otherwise</returns>
private static bool TryGetFieldAccessMetadataFromNativeFormatMetadata(
MetadataReader metadataReader,
RuntimeTypeHandle declaringTypeHandle,
FieldHandle fieldHandle,
TypeSystemContext context,
ref FieldAccessMetadata fieldAccessMetadata)
{
Field field = metadataReader.GetField(fieldHandle);
string fieldName = metadataReader.GetString(field.Name);
TypeDesc declaringType = context.ResolveRuntimeTypeHandle(declaringTypeHandle);
#if SUPPORTS_NATIVE_METADATA_TYPE_LOADING
if (declaringType is MetadataType)
{
return(TryGetFieldAccessMetadataForNativeFormatType(declaringType, fieldName, ref fieldAccessMetadata));
}
#endif
return(false);
}
public override bool HasCustomAttribute(string attributeNamespace, string attributeName)
{
return(MetadataReader.HasCustomAttribute(MetadataReader.GetField(_handle).CustomAttributes,
attributeNamespace, attributeName));
}
public static StringHandle[] GetFieldDefNames(this MetadataReader reader)
{
return(reader.FieldDefinitions.Select(handle => reader.GetField(handle).Name).ToArray());
}
