C# (CSharp) Reko.Evaluation SliceConstant_Rule.Matchの例

コード例 #1

ファイル: ExpressionSimplifier.cs プロジェクト: Godzil/reko

        public virtual Expression VisitSlice(Slice slice)
        {
            slice.Expression = slice.Expression.Accept(this);
            if (sliceConst.Match(slice))
            {
                Changed = true;
                return(sliceConst.Transform());
            }
            if (sliceMem.Match(slice))
            {
                Changed = true;
                return(sliceMem.Transform());
            }

            // (slice (shl e n) n) ==> e
            if (sliceShift.Match(slice))
            {
                Changed = true;
                return(sliceShift.Transform());
            }
            return(slice);
        }

コード例 #2

        public virtual Expression VisitSlice(Slice slice)
        {
            var e = slice.Expression.Accept(this);

            slice = new Slice(slice.DataType, e, slice.Offset);
            if (sliceConst.Match(slice))
            {
                Changed = true;
                return(sliceConst.Transform());
            }
            if (sliceMem.Match(slice))
            {
                Changed = true;
                return(sliceMem.Transform());
            }

            // (slice (shl e n) n) ==> e
            if (sliceShift.Match(slice))
            {
                Changed = true;
                return(sliceShift.Transform());
            }
            return(slice);
        }