/// <summary>
/// Writes the <paramref name="constant"/> to the given output <paramref name="writer"/>.
/// </summary>
/// <param name="constant">The <see cref="Constant"/> to serialize.</param>
/// <param name="writer">The <see cref="BigEndianWriter"/> to write data to.</param>
public static void BuildConstant(Constant constant, IBigEndianWriter writer)
{
writer.WriteU1((byte)constant.Tag);
switch (constant)
{
case ClassConstant classConstant:
writer.WriteU2(classConstant.NameIndex);
break;
case FieldrefConstant fieldrefConstant:
writer.WriteU2(fieldrefConstant.ClassIndex);
writer.WriteU2(fieldrefConstant.NameAndTypeIndex);
break;
case MethodrefConstant methodrefConstant:
writer.WriteU2(methodrefConstant.ClassIndex);
writer.WriteU2(methodrefConstant.NameAndTypeIndex);
break;
case InterfaceMethodrefConstant interfaceMethodrefConstant:
writer.WriteU2(interfaceMethodrefConstant.ClassIndex);
writer.WriteU2(interfaceMethodrefConstant.NameAndTypeIndex);
break;
case StringConstant stringConstant:
writer.WriteU2(stringConstant.StringIndex);
break;
case IntegerConstant integerConstant:
writer.WriteI4(integerConstant.Value);
break;
case FloatConstant floatConstant:
writer.WriteR4(floatConstant.Value);
break;
case LongConstant longConstant:
writer.WriteI8(longConstant.Value);
break;
case DoubleConstant doubleConstant:
writer.WriteR8(doubleConstant.Value);
break;
case NameAndTypeConstant nameAndTypeConstant:
writer.WriteU2(nameAndTypeConstant.NameIndex);
writer.WriteU2(nameAndTypeConstant.DescriptorIndex);
break;
case Utf8Constant utf8Constant:
WriteUtf8Constant(utf8Constant, writer);
break;
case MethodHandleConstant methodHandleConstant:
writer.WriteU1((byte)methodHandleConstant.ReferenceKind);
writer.WriteU2(methodHandleConstant.ReferenceIndex);
break;
case MethodTypeConstant methodTypeConstant:
writer.WriteU2(methodTypeConstant.DescriptorIndex);
break;
case InvokeDynamicConstant invokeDynamicConstant:
writer.WriteU2(invokeDynamicConstant.BootstrapMethodAttributeIndex);
writer.WriteU2(invokeDynamicConstant.NameAndTypeIndex);
break;
default:
throw new NotSupportedException($"Unsupported constant type: {constant.GetType().FullName}");
}
}
