vim-codequery : An asynchronous code searcher
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<img src="https://db.tt/j9XrjR4v" align="center" width="500">
> Choose what you want to know! 😼
" Open menu
:CodeQueryMenu Unite Full
" Or query directly
:CodeQuery Definition get_user_id
This Vim plugin is built on top of the great tool [CodeQuery](https://github.com/ruben2020/codequery) created by ruben2020, and aims at providing three primary functions to help you to:
1. **Search source code gracefully within Vim**.
* You can find: `definition, call, caller, callee, symbol, class, parent, child` and more for a string.
* Convenient menus are created for you.
* Well-formated results are shown in a custom Quickfix window with usable key bindings.
* Support asynchronous search (Vim version >= 8.0)
2. **Manage your database easily**.
* Load, make and move your database file by custom Vim commands.
* Support asynchronous build (Vim version >= 8.0 or by `Dispatch` plugin)
* `Note: CodeQuery's SQLite database is built on top of ctags and cscope.`
3. **Know your code more instantly**.
## Supported languages
* [x] `Python` 😎
* [x] `Ruby`
* [x] `Go`
* [x] `Java`
* [x] `C, C++`
`Choose a query from menu ➙ Get results`
`... ➙ Switch to different query ➙ Get results ... ➙ Filter them ➙ Get Results ➙ Undo ➙ Redo`
[more demo and screenshots](https://github.com/devjoe/vim-codequery/wiki/Screenshots-and-Demo)
These videos are quite old.
Now vim-codequery works better than what you see by using Vim8's async feature.
> **This project is almost ready to be released.**
> Main TODO:
> * ~~Use Vim8's new features to enhance usability.~~
> * ~~Do lazy-loading.~~
> * Enhance usability.
> * Test it.
> * Doc it.
> Completeness: 94%
> Current Version: v0.9
> Welcome to try it! 👌
#### 1. Make sure these commands are in your system
/bin/sh echo mkdir mv cut find awk stat git(optional)
#### 2. Install CodeQuery
* Linux => Install [binaries](https://sourceforge.net/projects/codequery/files/) or [build it](https://github.com/ruben2020/codequery/blob/master/doc/INSTALL-LINUX.md).
* Mac => `brew install codequery` 🍺 (make sure codequery version >= v0.17.0)
#### 3. Install additional ctags/cscope tools for your languages
| Language | Tools | How to install |
| --- | --- | --- |
| Python | [PyCscope](https://github.com/portante/pycscope) | `sudo pip install pycscope` |
| Ruby | [Starscope](https://github.com/eapache/starscope) | `sudo gem install starscope` |
| Go | [Starscope](https://github.com/eapache/starscope) | `sudo gem install starscope` |
> `Java`, `C` and `C++` users do not need to install additional ctags/cscope tools.
> Starscope has been [packaged for Arch Linux](https://aur.archlinux.org/packages/ruby-starscope/)
#### 4. Install Vim plugins
* Use your favorite plugins manager: [pathogen](https://github.com/tpope/vim-pathogen), [Vundle](https://github.com/VundleVim/Vundle.vim), [Plug](https://github.com/junegunn/vim-plug), [NeoBundle](https://github.com/Shougo/neobundle.vim), [Dein](https://github.com/Shougo/dein.vim), ...
* Take Plug as an example:
" if your vim version < 8.0
" if you don't have an :Ack (or :Ag) liked command
#### 1. Setup
* Go to the (git) root directory of your project. Open vim and type:
" Index Python files
* It's recommended that you should use `:CodeQueryMoveDBToGitDir python` to hide the DB file to `.git/codequery/` directory. If you do so, next time you can call `:CodeQueryMakeDB` directly in any opened Python buffer to rebuild the DB file.
#### 2. Search
* **Find symbol under your cursor**
* **Find word (by subcommands) under your cursor**
" Supported SubCommands are: `Symbol, Text, Call, Caller, Callee, Class, Parent, Child, Member, FunctionList, FileImporter`.
* **Find arbitrary word**
:CodeQuery [SubCommand] [word]
* **Find again with the same word**
* **Use fuzzy Option**
:CodeQuery [SubCommand] [word] -f
" [word] can be: get_* or *user_info or find_*_by_id
* **Use append Option** (results will be added to the current Quickfix)
:CodeQuery [SubCommand] [word] -a
* **Filter Search Results**
" [string] can be a regex
#### 3. Use Quickfix
* **Move your cursor inside Quickfix window to use these key bindings**
| Key | Action | Note |
| --- | --- | --- |
| s | `:CodeQueryAgain Symbol` | |
| x | `:CodeQueryAgain Text` | use `:Ack!` by default. #1 |
| c | `:CodeQueryAgain Call` | |
| r | `:CodeQueryAgain Caller` | |
| e | `:CodeQueryAgain Callee` | |
| d | `:CodeQueryAgain Definition` | |
| C | `:CodeQueryAgain Class` | |
| M | `:CodeQueryAgain Member` | |
| P | `:CodeQueryAgain Parent` | |
| D | `:CodeQueryAgain Child` | |
| m | `:CodeQueryMenu Unite Magic` | |
| q | `:cclose` | |
| \ | `:CodeQueryFilter` | |
| p | `<CR><C-W>p` | Preview |
| u | `:colder \| CodeQueryShowQF` | Older Quickfix Result |
| \<C-R> | `:cnewer \| CodeQueryShowQF` | Newer Quickfix Result |
> You can override `g:codequery_find_text_cmd` to change it.
* **Show Quickfix with above key bindings**
" This command can also be used to **patch** standard Quickfix.
#### 4. Open Menu
Currently, vim-codequery only provides [Unite](https://github.com/Shougo/unite.vim) menu because I love it ⭐. There are two types of menu:
* **Full Unite menu**
:CodeQueryMenu Unite Full
" The string between :: and :: is the word under cursor
" [F] means this action is for 'function variable only'
" [C] is for 'class variable only'
<img src="https://db.tt/j9XrjR4v" align="center" width="400">
* **Magic Unite menu**
:CodeQueryMenu Unite Magic
" This menu changes dynamically:
" 1. If the word under your cursor begins with a capital letter (possible be class): show [C] actions
" 2. vice versa (possible be function): show [F] actions
" 3. Show reasonable actions within Quickfix
<img src="https://db.tt/g6ZXMfaY" align="center" width="300">
#### Open Menu
nnoremap <space>c :CodeQueryMenu Unite Full<CR>
nnoremap <space>; :CodeQueryMenu Unite Magic<CR>
" Or enable typing (to search menu items) by default
nnoremap <space>\ :CodeQueryMenu Unite Magic<CR>A
nnoremap <space><CR> :CodeQuery Symbol<CR>
" Chain commands to find possible tests (for python)
nnoremap <space>t :CodeQuery Caller<CR>:CodeQueryFilter test_<CR>
" Filter reversely by adding '!'
:CodeQueryFilter ! [word]
" Trigger db building (in current filetype) when your query fails
let g:codequery_trigger_build_db_when_db_not_found = 1
#### Find Text
" Custom your `CodeQuery Text` commands
let g:codequery_find_text_cmd = 'Ack!'
let g:codequery_find_text_from_current_file_dir = 0
" 0 => search from project dir (git root directory -> then the directory containing xxx.db file)
" 1 => search from the directory containing current file
" If you use ':CodeQuery Symbol' in a txt file, of course, it will fail due to wrong filetype.
" With the following option set to 1, ':CodeQuery Text' will be automatically sent when your query fails.
let g:codequery_auto_switch_to_find_text_for_wrong_filetype = 0
#### Load Ctags File
" Set tags option
#### Clean Ctags, Cscope ... Files by Languages
let g:codequery_enable_auto_clean_languages = ['python']
" It accpepts a list of your languages written in lowercase
#### Custom Database Building
" Make sure to generate a python.db or xxxx.db file as a result
let g:codequery_build_python_db_cmd = '...'
let g:codequery_build_ruby_db_cmd = '...'
let g:codequery_build_go_db_cmd = '...'
let g:codequery_build_java_db_cmd = '...'
let g:codequery_build_c_db_cmd = '...'
" You can disable key binding within quickfix
let g:codequery_disable_qf_key_bindings = 1
" if your function usually begins with a capital letter ..., you can change your magic menu to a not-so-magic one
let g:codequery_enable_not_so_magic_menu = 1
#### Why writing this plugin?
> Because I need it.
> I already shared the story of making this plugin in local Python user groups [Taipei.py](http://www.meetup.com/Taipei-py/) and [Tainan.py](http://www.meetup.com/Tainan-py-Python-Tainan-User-Group/).
> Slides are available here: [Taipei.py](http://www.slideshare.net/excusemejoe/joe-vim-plugin-taipeipy20160825) / [Tainan.py](http://www.slideshare.net/excusemejoe/vim-plugin-20160827) (Language: Traditional Chinese)
#### Why not using Ctags or Cscope directly?
> Read what @ruben2020 the author of CodeQuery said: [Link](https://github.com/ruben2020/codequery#how-is-it-different-from-cscope-and-ctags-what-are-the-advantages)
> In addittion, vim-codequery provides:
> 1. Good interface.
> 2. Separated Database Management Mechanism.
> (You can open as many projects as you wish in a single Vim session without worrying about messing up Ctags or Cscope files or getting wrong result!)
> for Vim users.
#### More Questions
> Ask [here](https://docs.google.com/document/d/1gIvP9wrp1i3xLPDEKNVy76gUeYt1QkIUoqSvJDEbOfM/edit?usp=sharing) or create an issue.
## How to Contribute
#### Use It
> And give me [feedback](https://goo.gl/forms/9r8sOS6xTCBjNQEW2) or [bug report](https://docs.google.com/spreadsheets/d/1eSweAzJKYdzeNdTUVfhujEAOy1RHq1_bEBSX8DQ6xvA/edit?usp=sharing).
#### Fork It
> And give me PR. It would be better if you open an [issue](https://github.com/devjoe/vim-codequery/issues) and discuss with me before sending PR.
#### Star It
> If you like it. 👍
Thank all for working on these great projects!
Click on the package to download.
ip used for rating: 22.214.171.124