May I ask if the author can update the support for VSCode conditional breakpoints?

[EnthusiasticZ]

My project urgently needs support for conditional breakpoint functionality, but it is difficult for me to modify your code based on my current abilities. Please update the support for conditional breakpoint functionality. Thank you very much!

[sim642]

This would require the ability to evaluate expressions on the fly, which isn't currently even supported outside of breakpoints (#39).

Actually, ocamldebug itself has very limited syntax for evaluation at all: https://ocaml.org/manual/5.3/debugger.html#s%3Adebugger-examining-values. It can basically just access values of variables, not perform any operations on them (e.g. a conditional expression).

My project urgently needs support for conditional breakpoint functionality, but it is difficult for me to modify your code based on my current abilities.

If it's so urgent, then just put the condition in the code itself as an if and put a normal (unconditional) breakpoint into its then branch. That requires no modification of earlybird.

[tmcgilchrist]

We could support this (without needing ocamldebug support) by using the existing breakpoint functionality and having a small expression evaluator in earlybird. It would set a breakpoint, and then run a simple expression that supports infix operators and simple types. If the expression evaluates to true it would stop, otherwise it resumes the breakpoint.

The expression language would need to be deliberately small so we don't run into issues with calling functions that then trigger other breakpoints or allocations.