DBGp

Common DeBugGer Protocol as used by Xdebug[1] and potentially other implementations. DBGp is a simple protocol for use with language tools and engines for the purpose of debugging applications.[2] The protocol provides a means of communication between a debugger engine (scripting engine, Virtual Machine, etc.) and a debugger IDE.

Criticisms

DBGp has not received widespread adoption as a server protocol. Most implementations are client-side so that IDEs may be compatible specifically with Xdebug, which remains popular.

Criticisms have included:[3][4]

  • Performance (DBGp is a text-mode protocol)
  • Security (DBGp has a complex connection mechanism that could lead to buggy vulnerable implementations)
  • Generality (DBGp is designed to be compatible with multiple programming languages rather than being optimized for PHP)

A primary author of the DBGp specification has defended the design.[5]

References
  1. Rethans, Derick (10 March 2022). "Main contributor to DBGp". github.
  2. "Xdebug: Documentation for DBGp". Xdebug.
  3. "Support DBGP protocol for easy integration with IDEs and tools · Issue #105 · krakjoe/phpdbg". GitHub. Retrieved 2016-09-25.
  4. "Guy Harpaz Blog: PHP IDE Debug Protocol". guyharpaz.blogspot.hu. Retrieved 2016-09-25.
  5. Rethans, Derick. "Debugging Protocol Shoot-out — Derick Rethans". derickrethans.nl. Retrieved 2016-09-25.
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