Completor是vim8的一个异步代码完成框架

Completor是vim8的一个异步代码完成框架

Completor

Completor is an asynchronous code completion framework for vim8. New features of vim8 are used to implement the fast completion engine with low overhead. For using semantic completion, external completion tools should be installed.

Requirements

vim8,compiled with python or python3

Install

vim8 builtin package manager:

$ mkdir -p ~/.vim/pack/completor/start$ cd ~/.vim/pack/completor/start$ git clone https://github.com/maralla/completor.vim.git

pack

$ pack install maralla/completor.vim

vim-plug

Plug 'maralla/completor.vim'

Completers

Filename

When the input matches a file path pattern the file name will be automatically completed.

Buffer

This is the fallback completer. When no semantic completer found the buffer completer will be used and will complete based on the current buffers.

Ultisnips and neosnippet

Ultisnips is supported by default. If ultisnips is installed, the snips candidates will show on the completion popup menu.

Use this plugin completor-neosnippet for neosnippet support.

Neoinclude

Neoinclude is supported by default. If neoinclude is installed, the include candidates will show on the completion popup menu.

dictionary

Dictionary completion is supported by completor-dictionary.

shell

You can add some complete functions with shell command by completor-shell.

tmux

Completion from words in tmux panes is supported by completor-tmux.

Python

Use jedi for completion. jedi should be installed for semantic completion. Install jedi to global environment or in virtualenv:

pip install jedi

The python executable can be specified using:

let g:completor_python_binary = '/path/to/python/with/jedi/installed'

Rust

Use racer for completion. Install racer first. To specify the racer executable path:

let g:completor_racer_binary = '/path/to/racer'

Javascript

Use tern for completion. To install tern you must have node and either npm or yarn installed. Then go to the completor.vim directory and run:

make js

The node executable path can be specified using:

let g:completor_node_binary = '/path/to/node'

If you're using vim-plug, you can just use post install hook to do this for you.

Plug 'ternjs/tern_for_vim', { 'do': 'npm install' }Plug 'maralla/completor.vim', { 'do': 'make js' }

c/c++

Use clang for completion. Clang should be installed first. To specify clang path:

let g:completor_clang_binary = '/path/to/clang'

To pass extra clang arguments, you can create a file named .clang_complete under the project root directory or any parent directories. Every argument should be in a single line in the file. This is an example file:

-std=c++11-I/Users/maralla/Workspace/src/dji-sdk/Onboard-SDK/lib/inc-I/Users/maralla/Workspace/src/dji-sdk/Onboard-SDK/sample/Linux/inc

The key mapping CompletorCppJumpToPlaceholder can be defined to jump to placeholders:

map CompletorCppJumpToPlaceholderimap CompletorCppJumpToPlaceholder

go

Use gocode to provide omni completions. To specify the gocode executable path:

let g:completor_gocode_binary = '/path/to/gocode'

swift

Use completor-swift.

Elixir

Use alchemist.vim.

vim script

Use completor-necovim.

type script

Use completor-typescript.

other languages

For other omni completions completor not natively implemented, auto completion can still be used if an omni function is defined for the file type. But an option should be defined to specify the trigger for triggering auto completion. The option name pattern:

let g:completor_{filetype}_omni_trigger = ''

For example to use css omnifunc:

let g:completor_css_omni_trigger = '([\w-]+|@[\w-]*|[\w-]+:\s*[\w-]*)$'

Tips

Config tern for javascript completion

This is simple .tern-project file:

{ "plugins": { "node": {}, "es_modules": {} }, "libs": [ "ecma5", "ecma6" ], "ecmaVersion": 6}

Use Tab to select completion

inoremap pumvisible() ? "\" : "\"inoremap pumvisible() ? "\" : "\"inoremap pumvisible() ? "\" : "\"

Use Tab to trigger completion (disable auto trigger)

let g:completor_auto_trigger = 0inoremap pumvisible() ? "" : "=completor#do('complete')"

A better way:

" Use TAB to complete when typing words, else inserts TABs as usual. Uses" dictionary, source files, and completor to find matching words to complete." Note: usual completion is on but more trouble to press all the time." Never type the same word twice and maybe learn a new spellings!" Use the Linux dictionary when spelling is in doubt.function! Tab_Or_Complete() abort " If completor is already open the `tab` cycles through suggested completions. if pumvisible() return "\" " If completor is not open and we are in the middle of typing a word then " `tab` opens completor menu. elseif col('.')>1 && strpart( getline('.'), col('.')-2, 3 ) =~ '^[[:keyword:][:ident:]]' return "\=completor#do('complete')\" else " If we aren't typing a word and we press `tab` simply do the normal `tab` " action. return "\" endifendfunction" Use `tab` key to select completions. Default is arrow keys.inoremap pumvisible() ? "\" : "\"inoremap pumvisible() ? "\" : "\"" Use tab to trigger auto completion. Default suggests completions as you type.let g:completor_auto_trigger = 0inoremap Tab_Or_Complete()

Complete Options (completeopt)

Completor try its best to not overwrite the config completeopt, so the config g:completor_complete_options is introduced to be the complete option when completor is triggered.

let g:completor_complete_options = 'menuone,noselect,preview'

If you explicitly set completeopt completor will not use this value for complete options.

Completor Actions

Jump to definition completor#do('definition')Show documentation completor#do('doc')Format code completor#do('format')Hover info (lsp hover) completor#do('hover')

noremap d :call completor#do('definition')noremap c :call completor#do('doc')noremap f :call completor#do('format')noremap s :call completor#do('hover')

Golang practices (without using lsp)

Use guru for jumping to definition:

let g:completor_go_guru_binary = 'guru'

Use goimports to format code:

let g:completor_go_gofmt_binary = 'goimports'

Format file after write to buffer:

autocmd BufWritePost *.go :call completor#do('format')

c/c++ practices (without using lsp)

Jump to completion placeholder:

map CompletorCppJumpToPlaceholderimap CompletorCppJumpToPlaceholder

Disable completion placeholder:

let g:completor_clang_disable_placeholders = 1

Enable LSP

let g:completor_filetype_map = {}" Enable lsp for go by using goplslet g:completor_filetype_map.go = {'ft': 'lsp', 'cmd': 'gopls'}" Enable lsp for rust by using rlslet g:completor_filetype_map.rust = {'ft': 'lsp', 'cmd': 'rls'}" Enable lsp for c by using clangdlet g:completor_filetype_map.c = {'ft': 'lsp', 'cmd': 'clangd-7'}

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