[erlang-questions] luerl stacktraces

[Robert Virding]

Yes, I know.

But I am doing some work on the Luerl VM and I am going to try to add more
Lua call stack information. Function names can be a bit difficult but line
numbers should be easier.

Robert


On 12 January 2015 at 18:57, Max Lapshin <max.lapshin@REDACTED> wrote:

> Hi.
>
> luerl (https://github.com/rvirding/luerl ) is a wonderful project, thanks
> for it.
>
>
> 3 years ago Robert told that it is a big problem to add proper stacktraces
> to lua errors.
>
> Right now it is:
>
> {lua_error,{undef_function,nil},{luerl,{array,25,100,undefined,{{{table,{array,0,10,nil,10},{{{{empty,<<"_G">>,{tref,0},empty,<<"_VERSION">>,<<"Lua
> 5.2">>,empty},<<"assert">>,{function,#Fun<luerl_lib_basic.1.33635960>},{empty,<<"auth_url">>,<<"
> http://go.commpass.tv/flussonic/auth
> ">>,empty,<<"bit32">>,{tref,11},empty},<<"collectgarbage">>,{function,#Fun<luerl_lib_basic.2.33635960>},{empty,<<"comet">>,{tref,19},empty,<<"converter">>,{tref,18},empty}},<<"dofile">>,{function,#Fun<luerl_lib_basic.3.33635960>},{{empty,<<"eprint">>,{function,#Fun<luerl_lib_basic.4.33635960>},empty},<<"error">>,.....
>
>
> For something like:
>
> mytable.unexisting_function("Hello world")
>
>
> Are there any severe problems to add stacktraces?
>
> It would be very good at least to have file and line of the error to show
> user where he has error.
>
>
> Perhaps some library function like:  luerl_lib:unpack_stacktrace(Error) ->
> ... ?
>
>
>
>
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