try
jl_value_t * mod = (jl_value_t*)jl_eval_string("mymodule");
jl_function_t * func = jl_get_function((jl_module_t*)mod,"myfunction");
(jl_new_module creates a new module -- that's not what you want, because
the module containing your function is created when you eval "yourfile.jl")
On Tue, Jun 30, 2015 at 11:47 AM, Kostas Tavlaridis-Gyparakis <
kostas.tavlari...@gmail.com> wrote:
> Ok, so first of all thanks a lot for all the help so far.
> So, now I try to follow the instructions and I write the following three
> lines of code inside C++:
>
> jl_load("mymodule.jl");
> jl_value_t * mod = jl_eval_string("mymodule");
> jl_function_t * func =
> jl_get_function(jl_new_module(mod),"myfunction");
>
> (the jl file and the module itself have the same name in this case
> mymodule)
> But I do receive the following 2 errors when Eclipse compiles:
>
> 1) error: invalid conversion from ‘void*’ to ‘jl_value_t* {aka
> _jl_value_t*}’ [-fpermissive] (this is referring to jl_value_t * mod =
> jl_eval_string("mymodule");)
>
> 2) error: cannot convert ‘jl_value_t* {aka _jl_value_t*}’ to ‘jl_sym_t*
> {aka _jl_sym_t*}’ for argument ‘1’ to ‘jl_module_t*
> jl_new_module(jl_sym_t*)’ (this referring to jl_function_t * func =
> jl_get_function(jl_new_module(mod),"myfunction");)
>
>
> >No problem, no stupid questions. However, I would suggest that you might
> want to spend some time getting really familiar with Julia by itself,
> before trying to use the embedding API. It might save a lot of time in the
> long run.
>
> You are totally right on this, I am just trying first to check if it is
> doable to do some combinations between C++ in Eclipse and Julia (such as
> using functions written in
> Julia inside a C++ routine etc), because I am planning to connect a
> large-scale C++ with Julia and before starting to studying Julia in full
> detail and start writing proper
> code was thinking to do some small tests in connectivity between the two.
> But it turns out that I don't know some very basic things to finish this
> task.
>
>
> On Tuesday, June 30, 2015 at 5:32:53 PM UTC+2, Isaiah wrote:
>>
>> Sorry but I am not sure what you mean and how to "*evaluate your .jl
>>> file defining the module first*"?
>>
>>
>> Ok, say you have a file:
>>
>> ```
>> module mymod
>> function foo() ... end
>> end
>> ```
>>
>> At the Julia prompt you would do:
>>
>> julia> include("myfile.jl")
>>
>> And then you have the module `mymod` available in the global namespace.
>> In C you can do the equivalent with:
>>
>> `jl_load("myfile.jl")`
>>
>> I am really new to Julia so maybe the question sounds really stupid,
>>> sorry for that
>>
>>
>> No problem, no stupid questions. However, I would suggest that you might
>> want to spend some time getting really familiar with Julia by itself,
>> before trying to use the embedding API. It might save a lot of time in the
>> long run.
>>
>> On Tue, Jun 30, 2015 at 10:54 AM, Kostas Tavlaridis-Gyparakis <
>> kostas.t...@gmail.com> wrote:
>>
>>> Sorry but I am not sure what you mean and how to "*evaluate your .jl
>>> file defining the module first*"?
>>> (I am really new to Julia so maybe the question sounds really stupid,
>>> sorry for that)
>>>
>>>
>>>
>>>
>>>
>>> On Tuesday, June 30, 2015 at 4:28:54 PM UTC+2, Isaiah wrote:
>>>>
>>>> `jl_new_module` creates a new module. You must evaluate your .jl file
>>>> defining the module first, then to get a reference to the module do:
>>>>
>>>> `jl_value_t* mod = jl_eval_string("MyModName");
>>>>
>>>> Then you can pass "mod" as the argument to `jl_get_function`.
>>>>
>>>> On Tue, Jun 30, 2015 at 10:16 AM, Kostas Tavlaridis-Gyparakis <
>>>> kostas.t...@gmail.com> wrote:
>>>>
>>>>> Hello,
>>>>> I am trying to write some function in Julia which I will be able to
>>>>> call inside my C++ projects in Eclipse.
>>>>> In the documentation there is this
>>>>> <http://julia-demo.readthedocs.org/en/latest/manual/embedding.html#calling-julia-functions>
>>>>> example on how to call a function of julia from an existing module.
>>>>> So, what I have done was to create my own module where inside I
>>>>> included my function and then my
>>>>> understanding is that I should be using "jl_new_module(jl_sym_t
>>>>> *name);" instead of jl_base_module.
>>>>> But I am not sure (in case my assumption that this is the correct
>>>>> command is true) how to proper use
>>>>> it's syntax, as what I am trying is:
>>>>>
>>>>> jl_function_t * func =
>>>>> jl_get_function(jl_new_module(mymodule),"myfunction");
>>>>>
>>>>> and I tried instead of mymodule also mymodule.jl and "mymodule" and
>>>>> "mymodule.jl" and in all the attempts I
>>>>> recieve an error that:
>>>>>
>>>>> mymodule was not declared in this scope
>>>>>
>>>>>
>>>>> Let me note beforehand that the module is being stored globaly as when I
>>>>> run julia on the terminal I can use it
>>>>> through the comand using mymodule.
>>>>> Still maybe I am trying to use the wrong command or sth, so if there is
>>>>> any suggestion I would be really greatful
>>>>> to hear it.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>
