public IntermediateSymbol CreateSymbol(SourceLineNumber sourceLineNumber = null, Identifier id = null) { var result = (this.StrongSymbolType == typeof(IntermediateSymbol)) ? (IntermediateSymbol)Activator.CreateInstance(this.StrongSymbolType, this) : (IntermediateSymbol)Activator.CreateInstance(this.StrongSymbolType); result.SourceLineNumbers = sourceLineNumber; result.Id = id; return(result); }