Could not find declaration or Could not find symbol

[NikkiKoole]

I am trying to get DCD working together with emacs24, (in debian wheezy)
I followed all steps in both setups:

• dcd-server and dcd-client are built succesfully
• they both have their path set.
• emacs' el file is getting loaded, all the ac-dcd functions are callable from within emacs
• I've set the flags (dcd-server, dcd-client are findable) (I can start a server session from withing emacs, I know this because I can close it, when I close again it says: process dcd-server doesn't exist, so I assume it did exist the first time I tried closing it )
• I've set the imports by writing the file dcd.conf.
  that file is :

/usr/include/dmd/
/home/nikki/projects/d/DerelictSDL2/

it gets found because the first line on dcd-server says:
[info ] Loading configuration from /home/nikki/.config/dcd/dcd.conf,
when I run dcd-server on the terminal I see its loading symbols .

I am starting the server from the terminal, I see all loading symbols and all is green, but when I actually open a file in emacs, and try any of the C-c .?, functions I just see messages like

[error] Could not find declaration of DerelictSDL2 from position 636
[error] Could not find symbol

[error] Could not find declaration of writefln from position 1122
[error] Could not find symbol

I believe I am just missing one detail, but I don't know which one ;)
could someone point me in the right direction ?

[Hackerpilot]

This is going to sound like a dumb question, but did you import std.stdio? DCD filters its autocomplete list based on the import statements in the file.

[Hackerpilot]

One other thing. Try changing:

/usr/include/dmd/

to

/usr/include/dmd/phobos/
/usr/include/dmd/druntime/import/

DCD looks for imports the way DMD does. If you tell it to import "std.stdio" with that include path it will try "/usr/include/dmd/std/stdio.d", which doesn't exist.

[NikkiKoole]

;) I did import that file yes, by the way I forgot to ask I've installed all emacs reqs (popwin, autocomplete, yasnippet) but when I open a .d file which minor modes should then be running ?

edit: i've changed those lines, it doesn't look like it changed anything though, when I start the dcd-server I see all the [info] getting symbols, (for the same files as before) but the 'could not find declaration/symbol problem' still persists.

[Hackerpilot]

I don't even know what a minor mode is.

[NikkiKoole]

changing the conf lines did do something though, I managed to jump to the definition of writefln !
a minor mode has todo with emacs, you can have 1 major mode (in this case D) and a couple of minor modes that aid you.

I still don't know why the autocompletion is not showing, and I also don't get the same jumping to definition working for the derelictSDL import .

progress though cool

[NikkiKoole]

the issue was the derelictSDL path wasn't deep enough (like the dmd one) now my conf file is
/usr/include/dmd/phobos/
/usr/include/dmd/druntime/import/
/home/nikki/projects/d/DerelictSDL2/source/

and I can jump to all definitions, now that's something!

[Hackerpilot]

I've updated the readme to make DCD's handling of import directories more clear.

[NikkiKoole]

cool, so my nooby questions actually lead to some use for others!, speaking about nooby questions, now it's safe to assume the definitions and symbols can be found (since I can goto them via Cc. ); have you got an idea why the autocompletion isn't kicking in ?

I've installed all requirements (auto-complete package. yasnippet and popwin ), but the autcomplete popup never shows, when I trigger it to come up manually wih auto-complete-mode, ac-start, it's not shown either.
When i do the same in some arbitrary other file (lisp or C for example) it shows the autocompletion by doing that.
just for test's sake i've downloaded textadept to see if that magically did show autocompletion, it didn't ;)

[NikkiKoole]

enabling autocomplete mode and then writing 'SDL_' then I call the autocomplete command manually it gives me this feedback :
apply: Wrong type argument: stringp, ("-c" "1677" "-p" "9166")

[NikkiKoole]

I've tried to get autocompletion going as described here #106
on the terminal, and I do get a result
server says [info ] Getting completions
and nikki@crunchbang:~/test$ dcd-client --cursorPos 79 test.d
identifiers
MyUint l
alignof k
init k
mangleof k
sizeof k
stringof k
tupleof k

but this [info] getting completions is not triggered anyway from within emacs..

[tsukimizake]

Pardon me for jumping in. I'm one of the maintainers of emacs integration.
Can you try to edit line 153 of ac-dcd.el
from
(defun ac-dcd-call-process (prefix &rest args)

to
(defun ac-dcd-call-process (prefix args)

and M-x eval-buffer, then retry?
It seems to be a bug of recent commit. If it works on your enviroment, I'll write a pull request at once.

[NikkiKoole]

@tsukimizake
yes! that solved it immediately ;)

I've got autocompletion woohoo, and a haunting 'Exit the snippet first'.. :)
that little issue is similar as described joaotavora/yasnippet#459 and the fix for that works here too I believe

(add-hook 'd-mode-hook 'yas-minor-mode-on)

[tsukimizake]

@NikkiKoole
I'm glad to hear that. Enjoy!
And thanks for the report about yas-minor-mode. I'll update README.md.