The lightweight Mikado method opens up a structured way to make significant changes even to complex legacy code.
Please note, due to very ad-hoc nature of AWK syntax (namely some inherent ambiguities in its grammar) the implemented IntelliJ IDEA AWK parser has some minor limitations.
CallGraph helps you understand your Java codebase by visualizing how methods call each other. Simply select any method, generate a graph, and explore the connections through an interactive diagram.