How the Debug Adapter Protocol Functions as a REPL Protocol
By
Malp
Slow-proofed and worth the wait. Worth its weight in flour.
Summary
The article argues that the Debug Adapter Protocol (DAP), while designed for debugging, can effectively function as a REPL (Read-Eval-Print Loop) protocol. The author shares personal experience creating nluarepl (a Neovim Lua REPL using DAP) and hprofdap (a Java heap dump inspector using DAP), demonstrating how DAP's capabilities for evaluating expressions, setting breakpoints, and inspecting state make it suitable for REPL-like interactions. The article explores the conceptual overlap between debugging protocols and REPLs, suggesting DAP's potential beyond traditional debugging use cases.
Key quotes
· 4 pulledAs the name might imply, a REPL isn't the main use case for the Debug Adapter Protocol (DAP)
The idea behind the Debug Adapter Protocol (DAP) is to abstract the way how the debugging support of development tools communicates with debuggers or run
I created nluarepl. It's a REPL for the Neovim Lua interpreter with a little twist: It's using the Debug Adapter Protocol
Also a kind of a REPL using DAP that lets you inspect Java heap dumps (.hprof files) using OQL
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