Do you want to create DB entries when other programmer's types are called?
On Sunday, January 3, 2016 at 11:22:10 PM UTC-5, Julia Tylors wrote:
>
> But the you can't be doing this for every new type which is being defined
> by other programmers.
> So I need more general way. For every constructor of every type,
> That makes it a bit problematic.
> Thanks
>
>
>
> On Sunday, January 3, 2016 at 7:59:11 PM UTC-8, Jeffrey Sarnoff wrote:
>>
>> Hi Julia,
>>
>> The simplest way to do this is to make Foo a type and define its type
>> constructor to behave as you wish.
>>
>> type Foo
>> n::Float64
>> end
>>
>> function Foo(n::Float64)
>> record = createRecordForFooDB(n)
>> saveRecordInFooDB(record)
>> println("saved Foo($(n)) to DB")
>> end
>>
>>
>>
>> On Sunday, January 3, 2016 at 10:49:12 PM UTC-5, Julia Tylors wrote:
>>>
>>> Hi, my end goal is whenever a constructor call is made, I want to detect
>>> it and keep track of it by creating an object
>>>
>>> For example
>>> f = Foo(12)
>>> I want to detect this and create a record and save it to a db.
>>>
>>> Thanks
>>>
>>> On Sunday, January 3, 2016 at 6:58:49 PM UTC-8, Isaiah wrote:
>>>>
>>>> There is no AST-level distinction between a "constructor call" and a
>>>> "normal function call", see [1]. Look at the code in 'reflection.jl' to
>>>> see
>>>> how to determine the applicable method for a given name (which may be a
>>>> constructor). If that doesn't help, it would be helpful to clarify the
>>>> goal.
>>>>
>>>> For return statements, use `expand(a)` to convert the expression to
>>>> goto form, which should contain only explicit returns.
>>>>
>>>> [1] https://github.com/JuliaLang/julia/pull/8712
>>>>
>>>> On Sun, Jan 3, 2016 at 6:52 PM, Julia Tylors <[email protected]>
>>>> wrote:
>>>>
>>>>> I am planning to detect the constructor calls and return statement of
>>>>> a function
>>>>>
>>>>>
>>>>> a = quote begin
>>>>> x = Foo(12)
>>>>> y = 5 + 6
>>>>> f(x.val,y)
>>>>> x.val * y
>>>>> end
>>>>>
>>>>> a is an Expr, in this expression , I would like to detect the
>>>>> constructor calls (Foo(12)( and distinguish them from normal function
>>>>> calls(fx.val,y).
>>>>> and i also want to identify the return statement, (x.val*y). How can i
>>>>> do it programmatically?
>>>>>
>>>>> Thanks
>>>>>
>>>>>
>>>>>
>>>>
>>>>