private Expression ParseBinaryOperation(OperationCode currentOpcode)
{
switch (currentOpcode) {
default:
Debug.Assert(false);
goto case OperationCode.Xor;
case OperationCode.Add:
case OperationCode.Add_Ovf:
case OperationCode.Add_Ovf_Un:
return this.ParseAddition(currentOpcode);
case OperationCode.And:
return this.ParseBinaryOperation(new BitwiseAnd());
case OperationCode.Ceq:
return this.ParseBinaryOperation(new Equality());
case OperationCode.Cgt:
return this.ParseBinaryOperation(new GreaterThan());
case OperationCode.Cgt_Un:
return this.ParseBinaryOperation(new GreaterThan() { IsUnsignedOrUnordered = true });
case OperationCode.Clt:
return this.ParseBinaryOperation(new LessThan());
case OperationCode.Clt_Un:
return this.ParseBinaryOperation(new LessThan() { IsUnsignedOrUnordered = true });
case OperationCode.Div:
return this.ParseBinaryOperation(new Division());
case OperationCode.Div_Un:
return this.ParseUnsignedBinaryOperation(new Division() { TreatOperandsAsUnsignedIntegers = true });
case OperationCode.Mul:
case OperationCode.Mul_Ovf:
case OperationCode.Mul_Ovf_Un:
return this.ParseMultiplication(currentOpcode);
case OperationCode.Or:
return this.ParseBinaryOperation(new BitwiseOr());
case OperationCode.Rem:
return this.ParseBinaryOperation(new Modulus());
case OperationCode.Rem_Un:
return this.ParseUnsignedBinaryOperation(new Modulus() { TreatOperandsAsUnsignedIntegers = true });
case OperationCode.Shl:
return this.ParseBinaryOperation(new LeftShift());
case OperationCode.Shr:
return this.ParseBinaryOperation(new RightShift());
case OperationCode.Shr_Un:
RightShift shrun = new RightShift();
shrun.RightOperand = this.PopOperandStack();
shrun.LeftOperand = this.PopOperandStackAsUnsigned();
return shrun;
case OperationCode.Sub:
case OperationCode.Sub_Ovf:
case OperationCode.Sub_Ovf_Un:
return this.ParseSubtraction(currentOpcode);
case OperationCode.Xor:
return this.ParseBinaryOperation(new ExclusiveOr());
}
}
/// <summary>
/// Visits the specified right shift.
/// </summary>
/// <param name="rightShift">The right shift.</param>
public override void Visit(IRightShift rightShift)
{
RightShift mutableRightShift = new RightShift(rightShift);
this.resultExpression = this.myCodeCopier.DeepCopy(mutableRightShift);
}
/// <summary>
/// Visits the specified right shift.
/// </summary>
/// <param name="rightShift">The right shift.</param>
/// <returns></returns>
protected virtual IExpression DeepCopy(RightShift rightShift)
{
return this.DeepCopy((BinaryOperation)rightShift);
}
/// <summary>
/// Rewrites the children of the given right shift expression.
/// </summary>
public virtual void RewriteChildren(RightShift rightShift)
{
this.RewriteChildren((BinaryOperation)rightShift);
}
/// <summary>
/// Visits the specified right shift.
/// </summary>
/// <param name="rightShift">The right shift.</param>
public override void Visit(IRightShift rightShift)
{
RightShift mutableRightShift = rightShift as RightShift;
if (alwaysMakeACopy || mutableRightShift == null) mutableRightShift = new RightShift(rightShift);
this.resultExpression = this.myCodeMutator.Visit(mutableRightShift);
}
/// <summary>
/// Visits the specified right shift.
/// </summary>
/// <param name="rightShift">The right shift.</param>
/// <returns></returns>
public virtual IExpression Visit(RightShift rightShift)
{
return this.Visit((BinaryOperation)rightShift);
}
