[Rd] Finding inter-function dependencies within a package

[Mark.Bravington at csiro.au]

Hi Keith

'foodweb' and friends in the 'mvbutils' package should do what you're after. 

For example, I just tried this on the 'debug' package:

> ff <- foodweb( where=asNamespace( 'debug'))

> # Now either just eyeball the dependency graph that 'foodweb' produces, or more formally:

> callers.of( 'find.debug.HQ', ff) 
 [1] ".end.incarnation"          ".onLoad"                   "bp"                        "check.legality"           
 [5] "debug.eval.guts"           "debug.q"                   "debug.Recall"              "debug.with"               
 [9] "debug.within"              "dismiss.debug.window"      "enact.command.r"           "eval.catching.errors"     
[13] "evaluator"                 "find.active.control.frame" "get.mtraced.callers"       "launch.debug.windows"     
[17] "qqq"                       "set.global.debug.vars"     "stepping"                  "try2"                     

HTH
Mark

-- 
Mark Bravington
CSIRO Mathematical & Information Sciences
Marine Laboratory
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Keith Jewell wrote:
> Hi,
> 
> I'd like to know which functions in a package call one specific
> function. 
> I think I've seen a tool for identifying such dependencies, but now I
> can't find it :-( Searches of help and R site search for keywords
> like function, call, tree, depend haven't helped :-(  
> 
> Can anyone point me in the right direction?
> 
> Thanks in advance,
> 
> Keith Jewell
> 
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