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raise julia errors #525

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raise julia errors #525

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c7dfe5f
raise julia errors
schlichtanders May 2, 2024
05a680e
no RCall. needed
schlichtanders May 6, 2024
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28 changes: 19 additions & 9 deletions src/callback.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -100,6 +100,9 @@ const juliaCallback = RObject{ExtPtrSxp}()
function setup_callbacks()
julia_extptr_callback_ptr = @cfunction(julia_extptr_callback,Ptr{UnknownSxp},(Ptr{ListSxp},))
juliaCallback.p = makeNativeSymbolRef(julia_extptr_callback_ptr)

# helper to throw Julia errors on R side
reval("...stop_if_error <- function (obj) if (inherits(obj, 'error')) stop(obj) else obj")
end


Expand All @@ -124,24 +127,31 @@ Wrap a callable Julia object `f` an a R `ClosSxpPtr`.

Constructs the following R code

function(...) .External(juliaCallback, fExPtr, ...)
function(...) ...stop_if_error(.External(juliaCallback, fExPtr, ...))

"""
function sexp(::Type{RClass{:function}}, f)
fptr = protect(sexp(RClass{:externalptr}, f))
body = protect(rlang_p(Symbol(".External"),
juliaCallback,
fptr,
Const.DotsSymbol))
body = protect(
rlang_p(
Symbol("...stop_if_error"),
rlang_p(
Symbol(".External"),
juliaCallback,
fptr,
Const.DotsSymbol
)
)
)
nprotect = 2
local clos
try
args = protect(sexp_arglist_dots())
args = RCall.protect(RCall.sexp_arglist_dots())
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Suggested change
args = RCall.protect(RCall.sexp_arglist_dots())
args = protect(sexp_arglist_dots())

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You don't need to qualify things from RCall when executing within RCall. (If you were overwriting these methods from an external definition, then you do need that qualification.)

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thank you for all the changes. yes indeed I was previously overwriting it but as this got discouraged like an error in julia 1.10 I switched to forking RCall. These were apparently some leftovers

nprotect += 1
lang = rlang_p(:function, args, body)
clos = reval_p(lang)
lang = RCall.rlang_p(:function, args, body)
clos = RCall.reval_p(lang)
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Suggested change
lang = RCall.rlang_p(:function, args, body)
clos = RCall.reval_p(lang)
lang = rlang_p(:function, args, body)
clos = reval_p(lang)

finally
unprotect(nprotect)
RCall.unprotect(nprotect)
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Suggested change
RCall.unprotect(nprotect)
unprotect(nprotect)

end
clos
end
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