public ConstantEntry(MetadataDirectory directory, ConstantMetadataTableRow row)
{
this.FileOffset = string.Format("0x{0:x}", row.FileOffset);
this.Parent = row.Parent.ToString();
this.Type = row.Type.ToString();
this.Value = string.Format("0x{0:x}", row.Value);
}
private void LoadConstantMetadata()
{
if (!_stream.Tables.ContainsKey(MetadataTables.Constant))
{
return;
}
MetadataRow[] constants = _stream.Tables[MetadataTables.Constant];
for (int i = 0; i < constants.Length; i++)
{
ConstantMetadataTableRow constantRow = constants[i] as ConstantMetadataTableRow;
ConstantInfo constant = ConstantInfo.CreateFromMetadata(_assembly, _stream, constantRow);
switch (constantRow.Parent.Table)
{
case MetadataTables.Field:
FieldDef field = _map.GetDefinition(MetadataTables.Field,
_stream.GetEntryFor(MetadataTables.Field, constantRow.Parent.Index)
) as FieldDef;
field.Constants.Add(constant);
break;
case MetadataTables.Property:
break;
case MetadataTables.Param:
ParamDef parameter = _map.GetDefinition(MetadataTables.Param,
_stream.GetEntryFor(MetadataTables.Param, constantRow.Parent.Index)
) as ParamDef;
parameter.Constants.Add(constant);
break;
}
}
}
public void Constant_WhenCreated_OffsetIsMovedOn()
{
ICodedIndexResolver resolver = IndexHelper.CreateCodedIndexResolver(2);
IIndexDetails indexDetails = IndexHelper.CreateIndexDetails(2);
Offset offset = 0;
byte[] content = new byte[30];
ConstantMetadataTableRow row = new ConstantMetadataTableRow(content, offset, resolver, indexDetails);
Assert.AreEqual(6, offset.Current);
}
public void Constant_WhenCreated_ValuesAreReadCorrectly()
{
ICodedIndexResolver resolver = IndexHelper.CreateCodedIndexResolver(2);
IIndexDetails indexDetails = IndexHelper.CreateIndexDetails(2);
byte[] content = new byte[] {
0x01,
0x00,
0x05, 0x00,
0x00, 0x00
};
ConstantMetadataTableRow row = new ConstantMetadataTableRow(content, 0, resolver, indexDetails);
Assert.AreEqual(Reflection.Signatures.ElementTypes.Void, row.Type);
Assert.IsNotNull(row.Parent);
Assert.AreEqual(0, row.Value.Value);
}
public static ConstantInfo CreateFromMetadata(AssemblyDef assembly, MetadataStream stream, ConstantMetadataTableRow row)
{
// we are not doing anything with this at the moment but it stores the details of constants
// indirectly via the BlobIndex, it's parent is obtainable via a HasConstant CodedIndex in
// the metadata row.
// The values here are for fields and parameters, so we can say that the default values for
// parameters are accessible via these records.
return(new ConstantInfo());
}
