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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Dynamic.Utils;
namespace System.Linq.Expressions.Interpreter
{
internal abstract class ExclusiveOrInstruction : Instruction
{
private static Instruction? s_SByte, s_Int16, s_Int32, s_Int64, s_Byte, s_UInt16, s_UInt32, s_UInt64, s_Boolean;
public override int ConsumedStack => 2;
public override int ProducedStack => 1;
public override string InstructionName => "ExclusiveOr";
private ExclusiveOrInstruction() { }
private sealed class ExclusiveOrSByte : ExclusiveOrInstruction
{
public override int Run(InterpretedFrame frame)
{
object? left = frame.Pop();
object? right = frame.Pop();
if (left == null || right == null)
{
frame.Push(null);
return 1;
}
frame.Push((sbyte)((sbyte)left ^ (sbyte)right));
return 1;
}
}
private sealed class ExclusiveOrInt16 : ExclusiveOrInstruction
{
public override int Run(InterpretedFrame frame)
{
object? left = frame.Pop();
object? right = frame.Pop();
if (left == null || right == null)
{
frame.Push(null);
return 1;
}
frame.Push((short)((short)left ^ (short)right));
return 1;
}
}
private sealed class ExclusiveOrInt32 : ExclusiveOrInstruction
{
public override int Run(InterpretedFrame frame)
{
object? left = frame.Pop();
object? right = frame.Pop();
if (left == null || right == null)
{
frame.Push(null);
return 1;
}
frame.Push((int)left ^ (int)right);
return 1;
}
}
private sealed class ExclusiveOrInt64 : ExclusiveOrInstruction
{
public override int Run(InterpretedFrame frame)
{
object? left = frame.Pop();
object? right = frame.Pop();
if (left == null || right == null)
{
frame.Push(null);
return 1;
}
frame.Push((long)left ^ (long)right);
return 1;
}
}
private sealed class ExclusiveOrByte : ExclusiveOrInstruction
{
public override int Run(InterpretedFrame frame)
{
object? left = frame.Pop();
object? right = frame.Pop();
if (left == null || right == null)
{
frame.Push(null);
return 1;
}
frame.Push((byte)((byte)left ^ (byte)right));
return 1;
}
}
private sealed class ExclusiveOrUInt16 : ExclusiveOrInstruction
{
public override int Run(InterpretedFrame frame)
{
object? left = frame.Pop();
object? right = frame.Pop();
if (left == null || right == null)
{
frame.Push(null);
return 1;
}
frame.Push((ushort)((ushort)left ^ (ushort)right));
return 1;
}
}
private sealed class ExclusiveOrUInt32 : ExclusiveOrInstruction
{
public override int Run(InterpretedFrame frame)
{
object? left = frame.Pop();
object? right = frame.Pop();
if (left == null || right == null)
{
frame.Push(null);
return 1;
}
frame.Push((uint)left ^ (uint)right);
return 1;
}
}
private sealed class ExclusiveOrUInt64 : ExclusiveOrInstruction
{
public override int Run(InterpretedFrame frame)
{
object? left = frame.Pop();
object? right = frame.Pop();
if (left == null || right == null)
{
frame.Push(null);
return 1;
}
frame.Push((ulong)left ^ (ulong)right);
return 1;
}
}
private sealed class ExclusiveOrBoolean : ExclusiveOrInstruction
{
public override int Run(InterpretedFrame frame)
{
object? left = frame.Pop();
object? right = frame.Pop();
if (left == null || right == null)
{
frame.Push(null);
return 1;
}
frame.Push((bool)left ^ (bool)right);
return 1;
}
}
public static Instruction Create(Type type) =>
type.GetNonNullableType().GetTypeCode() switch
{
TypeCode.SByte => s_SByte ??= new ExclusiveOrSByte(),
TypeCode.Int16 => s_Int16 ??= new ExclusiveOrInt16(),
TypeCode.Int32 => s_Int32 ??= new ExclusiveOrInt32(),
TypeCode.Int64 => s_Int64 ??= new ExclusiveOrInt64(),
TypeCode.Byte => s_Byte ??= new ExclusiveOrByte(),
TypeCode.UInt16 => s_UInt16 ??= new ExclusiveOrUInt16(),
TypeCode.UInt32 => s_UInt32 ??= new ExclusiveOrUInt32(),
TypeCode.UInt64 => s_UInt64 ??= new ExclusiveOrUInt64(),
TypeCode.Boolean => s_Boolean ??= new ExclusiveOrBoolean(),
_ => throw ContractUtils.Unreachable,
};
}
}
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