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*
* Copyright (c) Microsoft Corporation.
*
* This source code is subject to terms and conditions of the Apache License, Version 2.0. A
* copy of the license can be found in the License.html file at the root of this distribution. If
* you cannot locate the Apache License, Version 2.0, please send an email to
* dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
* by the terms of the Apache License, Version 2.0.
*
* You must not remove this notice, or any other, from this software.
*
*
* ***************************************************************************/
using System.Diagnostics;
namespace System.Management.Automation.Interpreter
{
internal abstract class DivInstruction : Instruction
{
private static Instruction s_int16, s_int32, s_int64, s_UInt16, s_UInt32, s_UInt64, s_single, s_double;
public override int ConsumedStack { get { return 2; } }
public override int ProducedStack { get { return 1; } }
private DivInstruction()
{
}
internal sealed class DivInt32 : DivInstruction
{
public override int Run(InterpretedFrame frame)
{
object l = frame.Data[frame.StackIndex - 2];
object r = frame.Data[frame.StackIndex - 1];
frame.Data[frame.StackIndex - 2] = ScriptingRuntimeHelpers.Int32ToObject((Int32)l / (Int32)r);
frame.StackIndex--;
return 1;
}
}
internal sealed class DivInt16 : DivInstruction
{
public override int Run(InterpretedFrame frame)
{
object l = frame.Data[frame.StackIndex - 2];
object r = frame.Data[frame.StackIndex - 1];
frame.Data[frame.StackIndex - 2] = (Int16)((Int16)l / (Int16)r);
frame.StackIndex--;
return 1;
}
}
internal sealed class DivInt64 : DivInstruction
{
public override int Run(InterpretedFrame frame)
{
object l = frame.Data[frame.StackIndex - 2];
object r = frame.Data[frame.StackIndex - 1];
frame.Data[frame.StackIndex - 2] = (Int64)((Int64)l / (Int64)r);
frame.StackIndex--;
return 1;
}
}
internal sealed class DivUInt16 : DivInstruction
{
public override int Run(InterpretedFrame frame)
{
object l = frame.Data[frame.StackIndex - 2];
object r = frame.Data[frame.StackIndex - 1];
frame.Data[frame.StackIndex - 2] = (UInt16)((UInt16)l / (UInt16)r);
frame.StackIndex--;
return 1;
}
}
internal sealed class DivUInt32 : DivInstruction
{
public override int Run(InterpretedFrame frame)
{
object l = frame.Data[frame.StackIndex - 2];
object r = frame.Data[frame.StackIndex - 1];
frame.Data[frame.StackIndex - 2] = (UInt32)((UInt32)l / (UInt32)r);
frame.StackIndex--;
return 1;
}
}
internal sealed class DivUInt64 : DivInstruction
{
public override int Run(InterpretedFrame frame)
{
object l = frame.Data[frame.StackIndex - 2];
object r = frame.Data[frame.StackIndex - 1];
frame.Data[frame.StackIndex - 2] = (UInt64)((Int16)l / (Int16)r);
frame.StackIndex--;
return 1;
}
}
internal sealed class DivSingle : DivInstruction
{
public override int Run(InterpretedFrame frame)
{
object l = frame.Data[frame.StackIndex - 2];
object r = frame.Data[frame.StackIndex - 1];
frame.Data[frame.StackIndex - 2] = (Single)((Single)l / (Single)r);
frame.StackIndex--;
return 1;
}
}
internal sealed class DivDouble : DivInstruction
{
public override int Run(InterpretedFrame frame)
{
object l = frame.Data[frame.StackIndex - 2];
object r = frame.Data[frame.StackIndex - 1];
frame.Data[frame.StackIndex - 2] = (double)l / (double)r;
frame.StackIndex--;
return 1;
}
}
public static Instruction Create(Type type)
{
Debug.Assert(!type.IsEnum);
switch (type.GetTypeCode())
{
case TypeCode.Int16: return s_int16 ??= new DivInt16();
case TypeCode.Int32: return s_int32 ??= new DivInt32();
case TypeCode.Int64: return s_int64 ??= new DivInt64();
case TypeCode.UInt16: return s_UInt16 ??= new DivUInt16();
case TypeCode.UInt32: return s_UInt32 ??= new DivUInt32();
case TypeCode.UInt64: return s_UInt64 ??= new DivUInt64();
case TypeCode.Single: return s_single ??= new DivSingle();
case TypeCode.Double: return s_double ??= new DivDouble();
default:
throw Assert.Unreachable;
}
}
public override string ToString()
{
return "Div()";
}
}
}
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