ABT.StructOrUnionType.StructOrUnionLayout.DefineStruct C# (CSharp) Method

            public void DefineStruct(IReadOnlyList<Tuple<String, ExprType>> attribs) {
                if (this.IsComplete) {
                    throw new InvalidOperationException("Cannot redefine a struct.");
                }

                this._attribs = new List<Utils.StoreEntry>();
                Int32 offset = 0;
                Int32 struct_alignment = 0;
                foreach (Tuple<String, ExprType> attrib in attribs) {
                    String name = attrib.Item1;
                    ExprType type = attrib.Item2;

                    Int32 attrib_alignment = type.Alignment;

                    // All attributes must be aligned.
                    // This means that the alignment of the struct is the largest attribute alignment.
                    struct_alignment = Math.Max(struct_alignment, attrib_alignment);

                    // Make sure all attributes are put into aligned places.
                    offset = Utils.RoundUp(offset, attrib_alignment);

                    this._attribs.Add(new Utils.StoreEntry(name, type, offset));

                    offset += type.SizeOf;
                }

                this._size_of = Utils.RoundUp(offset, struct_alignment);
            }