public bool Equals(NameAndTypeInfo x, NameAndTypeInfo y)
{
if (ReferenceEquals(x, y))
{
return(true);
}
if (ReferenceEquals(x, null) || ReferenceEquals(y, null))
{
return(false);
}
return(x.NameIndex == y.NameIndex && x.DescriptorIndex == y.DescriptorIndex);
}
public int GetNameAndTypeIndex(string name, IMemberDescriptor descriptor)
{
var nameAndTypeInfo = new NameAndTypeInfo(
(ushort)GetUtf8Index(name),
(ushort)GetDescriptorIndex(descriptor));
if (!_nameAndTypeInfos.TryGetValue(nameAndTypeInfo, out int index))
{
index = AddConstant(nameAndTypeInfo);
_nameAndTypeInfos.Add(nameAndTypeInfo, index);
}
return(index);
}
private ConstantPoolInfo[] ParseConstantPool(ref ReadOnlySpan <byte> fileData)
{
ushort poolCount = fileData.ReadTwoBytes();
var infos = new ConstantPoolInfo[poolCount];
for (int i = 1; i < poolCount; i++)
{
var tag = (ConstantPoolTag)fileData.ReadOneByte();
switch (tag)
{
case ConstantPoolTag.Class:
infos[i] = new ClassInfo(ref fileData);
break;
case ConstantPoolTag.Fieldref:
infos[i] = new FieldrefInfo(ref fileData);
break;
case ConstantPoolTag.Methodref:
infos[i] = new MethodrefInfo(ref fileData);
break;
case ConstantPoolTag.InterfaceMethodref:
infos[i] = new InterfaceMethodrefInfo(ref fileData);
break;
case ConstantPoolTag.String:
infos[i] = new StringInfo(ref fileData);
break;
case ConstantPoolTag.Integer:
infos[i] = new IntegerInfo(ref fileData);
break;
case ConstantPoolTag.Float:
infos[i] = new FloatInfo(ref fileData);
break;
case ConstantPoolTag.Long:
infos[i] = new LongInfo(ref fileData);
i++;
break;
case ConstantPoolTag.Double:
infos[i] = new DoubleInfo(ref fileData);
i++;
break;
case ConstantPoolTag.NameAndType:
infos[i] = new NameAndTypeInfo(ref fileData);
break;
case ConstantPoolTag.Utf8:
infos[i] = new Utf8Info(ref fileData);
break;
case ConstantPoolTag.MethodHandle:
fileData.ReadOneByte();
fileData.ReadTwoBytes();
break;
case ConstantPoolTag.MethodType:
fileData.ReadTwoBytes();
break;
case ConstantPoolTag.InvokeDynamic:
fileData.ReadFourBytes();
break;
default:
throw new InvalidDataException();
}
}
foreach (ConstantPoolInfo info in infos)
{
info?.Init(infos);
}
return(infos);
}
public int GetHashCode(NameAndTypeInfo obj)
{
return((obj.NameIndex << 16) | obj.DescriptorIndex);
}
