> They aren't "cannibalized", they are still there, where the source
> ref says they are.
I was thinking along the lines of using parse() to unambiguously
associate a comment block with a code object; sure, srcref() retains
them: but that's no different than parsing a text file.
If I can't associate comment with code in parse(), I don't see how I
can avoid reimplementing the R parser; at least far enough to identify
top-level objects (but why stop there?).
By "cannibalizing", I'm referring to the following; take trivial.R:
# Comment relevant to foo
foo <- "bar"
attributes(parse("trivial.R"))$srcref[[1]] returns:
foo <- "bar"
which is consistent with SkipComment.
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