Article
Article
Visual debugging
Article By:
Zeller, Andreas Universität Passau, Lehrstuhl Für Software-Systeme, Passau, Germany.
Last reviewed:August 2020
DOI:https://doi.org/10.1036/1097-8542.757778
Visualization of computer program state and program execution to facilitate understanding and, if necessary, alteration of the program. Debuggers are universal tools for understanding what is going on when a program is executed. Using a debugger, one can execute the program in a specific environment, stop the program under specific conditions, and examine or alter the content of the program variables or pointers. Traditional command-line oriented debuggers allowed only a simple textual representation of the program variables (program state). In the Unix GNU debugger (GDB), for instance, one would enter “print variable” to see a textual representation of variable on the console:
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