public SlicerResult VisitCast(Cast cast, BackwardSlicerContext ctx)
{
var range = new BitRange(0, (short)cast.DataType.BitSize);
return(cast.Expression.Accept(this, new BackwardSlicerContext(ctx.Type, range)));
}
/// <summary>
/// The expression is being used in a conditional context.
/// </summary>
/// <param name="bitRange"></param>
/// <returns></returns>
public static BackwardSlicerContext Cond(BitRange bitRange)
{
return(new BackwardSlicerContext(ContextType.Condition, bitRange));
}
/// <summary>
/// The expression is being used in a jump table context.
/// </summary>
/// <param name="bitRange"></param>
/// <returns></returns>
public static BackwardSlicerContext Jump(BitRange bitRange)
{
return(new BackwardSlicerContext(ContextType.Jumptable, bitRange));
}
public BitRange BitRange; // Indicates the range of bits which are live.
public BackwardSlicerContext(ContextType type, BitRange range)
{
Type = type;
BitRange = range;
}
public RegisterStorage GetSubregister(RegisterStorage reg, BitRange range)
{
return(Architecture.GetRegister(reg.Domain, range) !);
}
public RegisterStorage GetSubregister(RegisterStorage reg, BitRange range)
{
throw new NotImplementedException();
}