Re: tracepoints, source breakpoints

[Ludovic Courtès]

Hi!

Andy Wingo <address@hidden> writes:

> Tracepoints and breakpoints are "traps", which can enabled and disabled
> and listed with the "enable", "disable", "delete", and "traps" REPL
> meta-commands.
>
> I can also break at source locations now:
>
>     scheme@(guile-user)> ,break-at-source "ice-9/boot-9.scm" 2242
>     Trap 2: Breakpoint at ice-9/boot-9.scm:2242.
>     scheme@(guile-user)> (resolve-module '(ice-9 popen))
>     Trap 0: (#<procedure b038e0 at ice-9/boot-9.scm:2234:4 (name 
> #:optional...> #)
>     Trap 2: Breakpoint at ice-9/boot-9.scm:2242
>     Entering a new prompt.  Type `,bt' for a backtrace or `,q' to continue.
>     scheme@(guile-user) [1]> ,bt
>     In ice-9/boot-9.scm:
>       2242:14  0 (#<procedure b038e0 at ice-9/boot-9.scm:2234:4 (na...> ...)
>     scheme@(guile-user) [1]> ,q
>     Trap 0: #<directory (ice-9 popen) 12d8bd0>
>     $2 = #<directory (ice-9 popen) 12d8bd0>
>
> Here we see that tracepoints and breakpoints interoperate well.

Woow, excellent!  :-)

Ludo’.