[erlang-questions] Re: Getting line number in backtrace?

Robert Virding <>
Fri Dec 3 10:42:31 CET 2010


Is the smart_exceptions module compiled and put in a place where erlc can find it?

Robert

----- "Brian Candler" <> wrote:

> P.S. I did try git://github.com/thomasl/smart_exceptions.git but
> couldn't
> get it to work.
> 
> Here's my test program:
> 
> ------------------------------------
> -module(my_test).
> -export([go/0]).
> 
> go() ->
>   dostuff(),
>   io:format("The end~n").
> 
> dostuff() ->
>   A1 = {foo,bar},
>   io:write(A1),
>   {foo, baz} = A1,
>   io:format("Finished~n").
> ------------------------------------
> 
> And here's what I got trying to compile it using the 'devel' version
> of
> smart_exceptions (under R13B3)
> 
> $ erlc +'{parse_transform,smart_exceptions}' -o ebin src/my_test.erl
> src/my_test.erl:none: error in parse transform 'smart_exceptions':
> {undef,
>                                               [{smart_exceptions,
>                                                 parse_transform,
>                                                 [[{attribute,1,file,
>                                                   
> {"src/my_test.erl",1}},
>                                                  
> {attribute,1,module,my_test},
>                                                  
> {attribute,2,export,
>                                                    [{go,0}]},
>                                                   {function,4,go,0,
>                                                    [{clause,4,[],[],
>                                                      [{call,5,
>                                                       
> {atom,5,dostuff},
>                                                        []},
>                                                       {call,6,
>                                                        {remote,6,
>                                                         {atom,6,io},
>                                                        
> {atom,6,format}},
>                                                        [{string,6,
>                                                          "The
> end~n"}]}]}]},
>                                                  
> {function,8,dostuff,0,
>                                                    [{clause,8,[],[],
>                                                      [{match,9,
>                                                        {var,9,'A1'},
>                                                        {tuple,9,
>                                                        
> [{atom,9,foo},
>                                                         
> {atom,9,bar}]}},
>                                                       {call,10,
>                                                        {remote,10,
>                                                         {atom,10,io},
>                                                        
> {atom,10,write}},
>                                                       
> [{var,10,'A1'}]},
>                                                       {match,11,
>                                                        {tuple,11,
>                                                        
> [{atom,11,foo},
>                                                         
> {atom,11,baz}]},
>                                                       
> {var,11,'A1'}},
>                                                       {call,12,
>                                                        {remote,12,
>                                                         {atom,12,io},
>                                                        
> {atom,12,format}},
>                                                        [{string,12,
>                                                         
> "Finished~n"}]}]}]},
>                                                   {eof,13}],
>                                                  [report_warnings,
>                                                   report_errors,
>                                                   {cwd,"/v/git/rfe"},
>                                                  
> {outdir,"/v/git/rfe/ebin"},
>                                                   {parse_transform,
>                                                   
> smart_exceptions}]]},
>                                                {compile,
>                                                
> '-foldl_transform/2-anonymous-2-',
>                                                 2},
>                                               
> {compile,foldl_transform,2},
>                                                {compile,
>                                                
> '-internal_comp/4-anonymous-1-',
>                                                 2},
>                                                {compile,fold_comp,3},
>                                               
> {compile,internal_comp,4},
>                                                {compile,internal,3}]}
> 
> Regards,
> 
> Brian.
> 
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