[ESS] hide function bodies

[Charles C. Berry]

On Thu, 21 Jun 2007, Sven Hartenstein wrote:

> Hi,
>
> is there any Emacs or ESS feature allowing for automatic hiding of
> function bodies (similar to "outlining" maybe)?
>

Dunno, but...

> If I have a R file with multiple R functions it would be cool being
> able to get a quick overview of all functions, say, like this:
>
>
> firstfun <-- function(a, b, c=d) { ... }
>
> secondfun <-- function(x, y, z=NULL) { ... }

M-x occur RET <- function RET

will show an *Occur* buffer with the lines containing that regexp.
mouse-1 on a line in the *Occur* buffer will take you to the line in the 
buffer from which you invoked occur.

Unfortunately, occur does not handle multiple line regexps, so this in a 
buffer

foo <- function(x){
   bar <- function(y) x+1
 	bar(x)^2
 	}

will give you
--------------------------------------------
2 matches for "<- function" in buffer: tmp.R
       2:foo <- function(x){
       3:  bar <- function(y) x+1
--------------------------------------------

in the occur buffer, and I see no way around this.

HTH,

Chuck


>
>
> Best,
>
> Sven
>
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>

Charles C. Berry                            (858) 534-2098
                                             Dept of Family/Preventive Medicine
E mailto:cberry at tajo.ucsd.edu	            UC San Diego
http://famprevmed.ucsd.edu/faculty/cberry/  La Jolla, San Diego 92093-0901