Code that is tangled, messy, and difficult to follow or maintain. Defining it is easy. Untangling it is the hard part — and that is what Understand is for.
“Spaghetti code” is a term used to describe code that is tangled, messy, and difficult to follow or maintain. It often results from poor programming practices, such as a lack of structure, organization, or clear design. In spaghetti code, control flow can be chaotic, with numerous jumps between different parts of the code, making it hard to understand how different sections interact. But once you have spaghetti code, how do you fix it?
If you've recently inherited spaghetti code there are several tools available to help. Here is how Understand goes at it.
Code maps. Understand can generate visual representations of code structure, such as call graphs and dependency graphs. These visual maps help you see how different parts of the code interact with each other, making it easier to understand and untangle complex relationships.
Flow diagrams. Understand also provides flow diagrams that show the execution paths through the code, so you can follow how control flows through various functions and modules.
Complexity metrics. Understand can calculate various metrics, such as cyclomatic complexity, which measures the complexity of code by counting the number of independent paths through it. High complexity often indicates spaghetti code, and identifying such areas can help prioritize refactoring efforts.
Code metrics reports. Reports on code quality — code duplication, function size, depth of nesting — point you at the problematic areas. High numbers in these metrics are usually where to start.
Automated refactoring helps restructure code without changing its functionality, which is how you break a large, tangled function into smaller, manageable pieces. Code recommendations suggest where to split a function, reduce nesting levels, or improve readability.
Automatic documentation is generated from the code structure and comments, so you can see what each part is for — essential when dealing with spaghetti code. Code annotations show where extra comments or documentation would be worth writing.
Understand analyzes and visualizes dependencies between different modules or components. Knowing these dependencies is what lets you change and refactor the code in a controlled manner rather than pulling a thread and seeing what breaks.
Quickly see the difference between two project states. View changes by files, folders, entities or architectures. View your changes as a text comparison or in a tree map. Just specify the git revision you would like to compare against, or compare two databases.
Download a free trial and test out all of Understand's features using a sample code base.