public StructureType MergeStructureFields(StructureType str) { if (!HasCoincidentFields(str)) { return(str); } StructureType strNew = new StructureType(str.Name, str.Size); strNew.IsSegment = str.IsSegment; UnionType ut = new UnionType(null, null); int offset = 0; string? name = null; foreach (StructureField f in str.Fields) { //$REVIEW: what if multiple fields have differing names? if (ut.Alternatives.Count == 0) { offset = f.Offset; name = f.IsNameSet ? f.Name : null; ut.Alternatives.Add(f.DataType); } else { if (f.Offset == offset) { if (f.DataType is UnionType uf) { ut = unifier.UnifyUnions(ut, uf); } else { unifier.UnifyIntoUnion(ut, f.DataType); } } else { strNew.Fields.Add(offset, ut.Simplify(), name); offset = f.Offset; name = f.IsNameSet ? f.Name : null; ut = new UnionType(null, null); ut.Alternatives.Add(f.DataType); } } } if (ut.Alternatives.Count > 0) { strNew.Fields.Add(offset, ut.Simplify(), name); } var sfm = new StructureFieldMerger(strNew); strNew = sfm.Merge(); return(strNew); }
public void Setup() { factory = new TypeFactory(); sfm = new StructureFieldMerger(); }