Vim: How to set up an efficient autocomplete configuration? - vim

I've been using Vim for a while now and love it, but one thing I've noticed when I use other editors is that I've never really got autocomplete working with much efficiency. I have supertab & snipmate working, I have tags for whatever language I'm using set up, but somehow it seems a little too cumbersome to use all that much, and apart from long method names I typically just avoid autocomplete.
Does anyone have fast, comprehensive autocomplete funcitonality set up in vim? Specifically:
At the moment, I hit "tab" to autocomplete class/method/variable names & generate snippets, but Ctrl+X+O for inbuilt langauge commands. I'd rather press tab for everything.
The ordering doesn't seem to be too intelligent. Very common stuff is often hidden in the middle of a bunch of rarely-used commands.
I've set up autocomplpop to show potential autocompletes as I'm typing, but I have to hit tab twice to accept the first entry. One much rather single-tab it.
So, any tips on setting up an efficient, comprehensive autocomplete configuration in vim? I know this question is a little vague - but if anyone has an overview of how they autocomplete well, and/or a link to a guide, it would be much appreciated.

Just thought I'd come back and mention that I finally found something I like: A customised version of NeoComplCache. Nice auto popup, everything integrated pleasantly into 'tab', and with a bit of customisation plays nice with snippets.
http://www.vim.org/scripts/script.php?script_id=2620

This is very dependant on your working domain. Vim is a text editor with the ability to interface with intelligent text-aware mechanisms.
If you are using java there is eclim, which is the eclipse backend together with a vim plugin for the frontend.
For C or C++ there is the plugin OmniCppComplete
It works by scanning the headers in the paths you have set up in vim (see :h path), and works very well imo.
If you have to press Ctrl-X_Ctrl-O for omnicompleteion, then your supertab config seems a bit broken. It should try omni or filename completion first, and then fall back to word completion.

YouCompleteMe plugin by Valloric is a very decent plugins for autocomplete and suggestion.
It contains support for all the major languages and you can extend the feature with setting up different engine .
it also comes with syntax checker so u don't have to use Syntastic separately
For setup details visit this link
https://github.com/Valloric/YouCompleteMe

Related

Vi / Vim for project of more than a few files

I typically use an ide for large projects and vi for small single file scripts temporary files etc.
Lately I have heard of people using vi for larger projects too - actually, quite defensive and particular proud to do so.
I have tried, but i found it very cumbersome. Do any other programmers here use vi for and medium - large projects? If so, are there any tips/tricks you can offer for navigating source, looking at multiple files etc?
I have tried using tmux to see if it made things easier - but it still felt quite cumbersome
There is no magical tool that can make everything perfect. Vim is an editor, and it's pretty good at it, but it's not and will never be an IDE.
There used to be the pida project that made an IDE around vim, for better interaction when using python, but it got abandonned.
There is eclim which is a really neat tool that can use eclipse as a backend IDE accessible in a few keystrokes from within vim, while having all the power of eclipse for tagging, refactoring, debugging etc.. But you have to want running eclipse in background, which is like hiding an elephant under the carpet...
There are many little plugins you may want to use, and I'm pretty sure everyone has his favorite set of plugins, that helps navigate easily in the code and help tagging (like fugitive, nerdtree, etc..)
Finally, there is vim, a shell and that's all. Vim does a lot of things correctly, like navigating in the source, launching compilations and parsing the errors etc.. And for what vim is not good at, you can use your shell, to execute, to do git stuff, to open more vim windows to edit code..
Anyway, there's no perfect answer to your question, and I bet your question will be closed because of being "non constructive".
What do you find cumbersome? What works for you? What doesn't? What kind of feature do you need to be able to work efficiently with multiple files? How many are multiple files anyway?
Some people use Vim for working on quite large projects: the Linux kernel, Firefox, Vim itself… I guess that you need to know Vim pretty well to pull that off but it's all very doable, even without many plugins.
But I tend to think "complexity" rather than "quantity".
When I work with "complex" languages+projects (quotes because it is all very subjective) I'll use a more suited IDE with a Vim-emulation plugin: Flash Builder+Vrapper for Actionscript 3, Eclipse+Vrapper (then) Android Studio+IdeaVim (now) for Android.
When I work with "simple" (quotes, again) languages+projects I'll use Vim: that's any project involving HTML/CSS/JavaScript/PHP, from 3 to 50+ files.
File/buffer navigation
Vim is very good at opening files (which sounds funny), even without plugins. :sp **/foo<Tab>, for example, is quick and easy. :Ex foo/bar as well.
Switching buffers is also very easy, if a bit awkward at first. :bn, :bN and :b <Tab> will get you a long way.
And if you don't like those built-in methods, you can create your own cool mappings or choose from many plugins.
"Semantic" navigation
I like to think about my project in class/method names rather than in file names. With an up-to-date tags file (generated with ctags or some compatible program), :tag foo is a very efficient way to move around, <C-]> jumps to the definition of the tag under the cursor and <C-w>} opens that definition in a small preview window. That's more than enough for my needs.
I don't particularly like them but you can also use TagBar or TagList to have something that resembles the class browser of your IDE.
I'd suggest you make your needs more clear and ask more specific questions or look around on SO. The subjects above are pretty well covered.
Just a few pointers: I like NERDTree and CtrlP for easy/powerful file navigation and splits for keeping several files visable and navigatable at the same time.

C++ Cross Ref for VIM similar to Source Insight

I wanted a cross reference navigation similar to Source Insight.
Lets take simple example:
classA::MethodB()
{
...
m_variable = value;
}
In this example if I use Ctags / Cscope, then when I try to find m_variable, it will show me all the available m_variable. I need to go through each and then find which one is required.
Where as in Source Insight, it clearly gives me the Class delectation.
Is there any such Cross ref tools available for Vim?
Vim is not an IDE, it's a text editor.
You can't reasonably expect it to understand your code as well or as deeply as an IDE.
IDEs typically keep a dynamic internal representation of your code which makes them able to track declaration and usage even when you have dozens of methods or variables with the same name. Vim, like most text editors, is not able to do that on its own: it must rely on external tools for indexing/navigating through your code. Now, because of architectural constraints, Vim is incapable of running any background process which is the absolute prerequisite for a real "code intelligence" to be added to Vim.
Given all that, you are left with code indexers like ctags, cscope or GLOBAL. These tools do their best trying to give you accurate results but they are not as smart and as specific as the tools used in IDEs.
To compensate, Vim has a bunch of different commands like :tselect or g] which open a list of possible tags to chose from. Read :h tags, :h ctags and :h cscope for how to deal with those limitations.
I've not tried this myself. But sounds like eclim is what you're looking for. http://eclim.org/
It provides eclipse features to be accessible from Vim, including code searching and auto-completion.

Change buffers in FakeVim

Does anyone know some shortcuts for FakeVim to change between files?
Is it possible to use buffers in Fake Vim? I accidentally found out that Ctrl+w,w gets you the next window. Does anyone know other? For example getting to the left, right, top, bottom windows?(vim's Ctrl+w,l and others)? Is there any documentation on FakeVim? Is it possible to configure FakeVim's vimrc file to create shortcuts for changing between buffers and the Projects view?
Thanks!
Recently I've been doing most of the changes on FakeVim plugin.
You can find list of Vim commands supported by FakeVim at https://github.com/hluk/FakeVim (recent version from Git master branch).
I'm still not sure how to document the features in Qt Creator. I'll probably implement something like :help <command> in near future.
The FakeVim documentation is severely lacking. This paragraph, for example, is so fuzzy it's borderline irresponsible:
In the FakeVim mode, most keystrokes in the main editor will be intercepted and interpreted in a way that resembles Vim. Documentation for Vim is not included in Qt Creator. For more information on using Vim, see Documentation on the Vim web site.
Basically, without a proper documentation or a look at the editor's source code it's impossible to know what should work, what shouldn't and in which way the behavior of what works deviates from Vim's behavior. And that's what passes for a modern IDE, these days.
Whatever…
I think that your best bet is simply trial and error: since you appear to know how to use Vim you'll have a lot of commands and shortcuts to try.

VIM as an IDE - Suggestions

I am looking for recommendations on using VIM as an IDE. I generally code in a number of programming languages, including C, C++, assembler, MATLAB, Maple, BASH scripts, to name a few.
In general, I like to use a single IDE for the bulk of my projects for the sake of consistency, and I have found that I perform about 90% of all my coding in VIM, and occasionally use Eclipse instead for certain projects in C/C++ (ie: projects people have already put together as an Eclipse project, or PIC24/32 projects from www.microchip.com).
I am already very familiar with the basic functionality of VIM (windows vs buffers, text manipulation, scripting), and would like to use it as my primary IDE. I have already taken a few tips from here:
http://vim.wikia.com/wiki/Use_Vim_like_an_IDE#Writing_Code
I already use the nerdTree plugin for directory browsing in a project, etc, but I need to do something about code completion and symbol resolution, as those are my two greatest concerns.
Symbol resolution
I have some limited experience in the use of C-tags, and wanted a suggestion on what I should use if I am working with a VERY large code-base that changes frequently. The projects I work on typically are pulling in header files from at least a dozen other projects, and I would like to be able to jump to the file where a function, constant, or macro is defined quickly (ie: like the CTRL-G feature in Eclipse, "jump to definition"), as well as rapidly get a list of all calls/references to a function/macro/constant/etc (ie: like the CTRL-SHIFT-G feature in Eclipse, "Show all references in project or current working directory").
Tab completion
One of the features I really like in Visual Studio and Eclipse, for example, is when I type in a variable name (ie: pointer to struct) and it resolves the names and types of all structure members and gives me a tab completion list to choose the appropriate member. They also point out when I've incorrectly used "." vs "->" for member access. I've tried superTab in VIM, but I just couldn't get it working. I also want the tab-completion feature to use the same C-tags as generated by the symbol resolution plugin
Handling build output
The final concern of mine is having an auto-generated list of build warnings and build errors. When I, for example, just run "make all" at the command-line prompt, it is a pain to have to read through code listings to manually find all build warnings.
I realize this is a lot to ask, and that I could always just fall-back to Visual Studio or Eclipse, but I really want just a simple cross-platform console-capable modal editor for all my development needs, and none of the major IDE's out there fill this need.
Thank you all in advance.
http://eclim.org/ - bring Eclipse functionality to the Vim editor
https://github.com/scrooloose/syntastic - syntax checker warnings in quickfix list
I think (but haven't checked) that Eclim satisfies #1 and #2 while I'm sure that Syntastic satisfies #3. More things of interest:
https://github.com/Lokaltog/vim-powerline - just nice
https://github.com/kien/ctrlp.vim - quick file finder
https://github.com/tpope/vim-pathogen - plugin manager (to install the others)
And are you aware of omnicompletion via Ctrl-p and Ctrl-n (prev and next) in insert mode? That's not code completion, but frequently does the job.
For the auto-completion part (point 2), I am proficiently using clang_complete.
For a quick setup and reference, try this page: http://zwiener.org/vimautocomplete.html
EDIT: this is for C, C++ and Objective-C only.
I use the following configuration in vim:
zipped file
It has autocomplete based on tag list, ctags, nerd commenter and some more plugins.
Hope it helps.. :)
I have been using Vim as an IDE for about a year now. All of my customization is online at github.
That said, I don't think a Vim beginner should start using vim like this; rather I think the Vim beginner should learn vim incrementally. The only changes that I think are so essential I would make them from the very beginning are:
Remap ESC to jk
Switch : and ;
Set leader key to ,

Interface texshop with vim

Any advice on how you would interface texshop on mac osx with vim? I'm using vim quite a lot lately for coding. I find myself now trying to use vim-commands (replace, search, pattern matching, move, etc) when writing documents for latex with texshop and they obviously don't work. However, I don't want to leave texshop altogether, because it has some pretty nice tools I use very often (maybe the most important one is the ability to click the compliled .pdf file while pressing the CMD key on my macbook to jump immediately to the corresponding place in the .tex file).
Thanks in advance!
Can't really help with the question but if you want to use vim I would highly recommend vim-latex suite. It has a lot of mappings and other latex goodness including completion of references/citations (it loads them from the bib file and gives prompts based on what you've already typed). Also it supports pdfsync forward/backward searching - I use that with Skim. There is some information here on how to get that working (and see other posts on that blog).
Are there any other texshop features you would like to reproduce in Vim?

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