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.
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.
The lightweight Mikado method opens up a structured way to make significant changes even to complex legacy code.