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Auto merge of #3140 - micbou:merge-linux-docs, r=Valloric

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[READY] Merge Linux distributions instructions

As proposed in https://github.com/Valloric/YouCompleteMe/pull/3055#pullrequestreview-149835682, merge the Ubuntu Linux x64 and Fedora Linux x64 instructions into one section for Linux 64-bit. The result can be seen [here](https://github.com/micbou/YouCompleteMe/tree/merge-linux-docs#linux-64-bit).

I confirmed the required packages for Fedora are `gcc-c++`, `cmake`, `python3-devel` (and `ncurses-compat-libs` for C/C++) by installing the distribution in a VM.

Closes #3069.

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README.md
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@ -34,8 +34,7 @@ Contents
- [Intro](#intro) - [Intro](#intro)
- [Installation](#installation) - [Installation](#installation)
- [Mac OS X](#mac-os-x) - [Mac OS X](#mac-os-x)
- [Ubuntu Linux x64](#ubuntu-linux-x64) - [Linux 64-bit](#linux-64-bit)
- [Fedora Linux x64](#fedora-linux-x64)
- [Windows](#windows) - [Windows](#windows)
- [FreeBSD/OpenBSD](#freebsdopenbsd) - [FreeBSD/OpenBSD](#freebsdopenbsd)
- [Full Installation Guide](#full-installation-guide) - [Full Installation Guide](#full-installation-guide)
@ -211,15 +210,15 @@ The following additional language support options are available:
- C# support: install Mono with [Homebrew][brew] or by downloading the [Mono Mac - C# support: install Mono with [Homebrew][brew] or by downloading the [Mono Mac
package][mono-install-osx] and add `--cs-completer` when calling package][mono-install-osx] and add `--cs-completer` when calling
`./install.py`. `install.py`.
- Go support: install [Go][go-install] and add `--go-completer` when calling - Go support: install [Go][go-install] and add `--go-completer` when calling
`./install.py`. `install.py`.
- JavaScript and TypeScript support: install [Node.js and npm][npm-install] then - JavaScript and TypeScript support: install [Node.js and npm][npm-install] then
install the TypeScript SDK with `npm install -g typescript`. install the TypeScript SDK with `npm install -g typescript`.
- Rust support: install [Rust][rust-install] and add - Rust support: install [Rust][rust-install] and add
`--rust-completer` when calling `./install.py`. `--rust-completer` when calling `install.py`.
- Java support: install [JDK8 (version 8 required)][jdk-install] and add - Java support: install [JDK8 (version 8 required)][jdk-install] and add
`--java-completer` when calling `./install.py`. `--java-completer` when calling `install.py`.
To simply compile with everything enabled, there's a `--all` flag. So, to To simply compile with everything enabled, there's a `--all` flag. So, to
install with all language features, ensure `xbuild`, `go`, `tsserver`, `node`, install with all language features, ensure `xbuild`, `go`, `tsserver`, `node`,
@ -238,60 +237,63 @@ YCM comes with sane defaults for its options, but you still may want to take a
look at what's available for configuration. There are a few interesting options look at what's available for configuration. There are a few interesting options
that are conservatively turned off by default that you may want to turn on. that are conservatively turned off by default that you may want to turn on.
### Ubuntu Linux x64 ### Linux 64-bit
These instructions (using `install.py`) are the quickest way to install These instructions (using `install.py`) are the quickest way to install
YouCompleteMe, however they may not work for everyone. If the following YouCompleteMe, however they may not work for everyone. If the following
instructions don't work for you, check out the [full installation instructions don't work for you, check out the [full installation
guide](#full-installation-guide). guide](#full-installation-guide).
Make sure you have Vim 7.4.1578 with Python 2 or Python 3 support. Ubuntu 16.04 Make sure you have Vim 7.4.1578 with Python 2 or Python 3 support. The Vim
and later have a Vim that's recent enough. You can see the version of Vim package on Fedora 27 and later and the pre-installed Vim on Ubuntu 16.04 and
installed by running `vim --version`. If the version is too old, you may need to later are recent enough. You can see the version of Vim installed by running
[compile Vim from source][vim-build] (don't worry, it's easy). `vim --version`. If the version is too old, you may need to [compile Vim from
source][vim-build] (don't worry, it's easy).
Install YouCompleteMe with [Vundle][]. Install YouCompleteMe with [Vundle][].
**Remember:** YCM is a plugin with a compiled component. If you **update** YCM **Remember:** YCM is a plugin with a compiled component. If you **update** YCM
using Vundle and the ycm_core library APIs have changed (happens using Vundle and the ycm_core library APIs have changed (happens rarely), YCM
rarely), YCM will notify you to recompile it. You should then rerun the install will notify you to recompile it. You should then rerun the install process.
process.
Install development tools and CMake: Install development tools, CMake, and Python headers:
sudo apt-get install build-essential cmake - Fedora 27 and later:
**Note:** On older systems (e.g. Ubuntu 14.04) you may run into compilation sudo dnf install cmake gcc-c++ make ncurses-compat-libs python3-devel
issues with `cmake`. Therefore, install the following instead:
sudo apt-get install build-essential cmake3 `ncurses-compat-libs` is only required for C-family languages support.
Make sure you have Python headers installed: - Ubuntu 14.04:
sudo apt-get install python-dev python3-dev sudo apt install build-essential cmake3 python3-dev
- Ubuntu 16.04 and later:
sudo apt install build-essential cmake python3-dev
Compiling YCM **with** semantic support for C-family languages: Compiling YCM **with** semantic support for C-family languages:
cd ~/.vim/bundle/YouCompleteMe cd ~/.vim/bundle/YouCompleteMe
./install.py --clang-completer python3 install.py --clang-completer
Compiling YCM **without** semantic support for C-family languages: Compiling YCM **without** semantic support for C-family languages:
cd ~/.vim/bundle/YouCompleteMe cd ~/.vim/bundle/YouCompleteMe
./install.py python3 install.py
The following additional language support options are available: The following additional language support options are available:
- C# support: install [Mono][mono-install-ubuntu] and add `--cs-completer` - C# support: install [Mono][mono-install-linux] and add `--cs-completer`
when calling `./install.py`. when calling `install.py`.
- Go support: install [Go][go-install] and add `--go-completer` when calling - Go support: install [Go][go-install] and add `--go-completer` when calling
`./install.py`. `install.py`.
- JavaScript and TypeScript support: install [Node.js and npm][npm-install] then - JavaScript and TypeScript support: install [Node.js and npm][npm-install] then
install the TypeScript SDK with `npm install -g typescript`. install the TypeScript SDK with `npm install -g typescript`.
- Rust support: install [Rust][rust-install] and add `--rust-completer` when - Rust support: install [Rust][rust-install] and add `--rust-completer` when
calling `./install.py`. calling `install.py`.
- Java support: install [JDK8 (version 8 required)][jdk-install] and add - Java support: install [JDK8 (version 8 required)][jdk-install] and add
`--java-completer` when calling `./install.py`. `--java-completer` when calling `install.py`.
To simply compile with everything enabled, there's a `--all` flag. So, to To simply compile with everything enabled, there's a `--all` flag. So, to
install with all language features, ensure `xbuild`, `go`, `tsserver`, `node`, install with all language features, ensure `xbuild`, `go`, `tsserver`, `node`,
@ -299,74 +301,7 @@ install with all language features, ensure `xbuild`, `go`, `tsserver`, `node`,
simply run: simply run:
cd ~/.vim/bundle/YouCompleteMe cd ~/.vim/bundle/YouCompleteMe
./install.py --all python3 install.py --all
That's it. You're done. Refer to the _User Guide_ section on how to use YCM.
Don't forget that if you want the C-family semantic completion engine to work,
you will need to provide the compilation flags for your project to YCM. It's all
in the User Guide.
YCM comes with sane defaults for its options, but you still may want to take a
look at what's available for configuration. There are a few interesting options
that are conservatively turned off by default that you may want to turn on.
### Fedora Linux x64
These instructions (using `install.py`) are the quickest way to install
YouCompleteMe, however they may not work for everyone. If the following
instructions don't work for you, check out the [full installation
guide](#full-installation-guide).
Make sure you have Vim 7.4.1578 with Python 2 or Python 3 support. Fedora 21 and
later have a Vim that's recent enough. You can see the version of Vim installed
by running `vim --version`. If the version is too old, you may need to [compile
Vim from source][vim-build] (don't worry, it's easy).
Install YouCompleteMe with [Vundle][].
**Remember:** YCM is a plugin with a compiled component. If you **update** YCM
using Vundle and the ycm_core library APIs have changed (happens
rarely), YCM will notify you to recompile it. You should then rerun the install
process.
Install development tools and CMake:
sudo dnf install automake gcc gcc-c++ kernel-devel cmake
Make sure you have Python headers installed:
sudo dnf install python-devel python3-devel
Compiling YCM **with** semantic support for C-family languages:
cd ~/.vim/bundle/YouCompleteMe
./install.py --clang-completer
Compiling YCM **without** semantic support for C-family languages:
cd ~/.vim/bundle/YouCompleteMe
./install.py
The following additional language support options are available:
- C# support: install [Mono][mono-install-fedora] and add `--cs-completer`
when calling `./install.py`.
- Go support: install [Go][go-install] and add `--go-completer` when calling
`./install.py`.
- JavaScript and TypeScript support: install [Node.js and npm][npm-install] then
install the TypeScript SDK with `npm install -g typescript`.
- Rust support: install [Rust][rust-install] and add `--rust-completer` when
calling `./install.py`.
- Java support: install [JDK8 (version 8 required)][jdk-install] and add
`--java-completer` when calling `./install.py`.
To simply compile with everything enabled, there's a `--all` flag. So, to
install with all language features, ensure `xbuild`, `go`, `tsserver`, `node`,
`npm`, `rustc`, and `cargo` tools are installed and in your `PATH`, then
simply run:
cd ~/.vim/bundle/YouCompleteMe
./install.py --all
That's it. You're done. Refer to the _User Guide_ section on how to use YCM. That's it. You're done. Refer to the _User Guide_ section on how to use YCM.
Don't forget that if you want the C-family semantic completion engine to work, Don't forget that if you want the C-family semantic completion engine to work,
@ -424,9 +359,9 @@ Download and install the following software:
Python 3.5. You'll need one or the other installed, matching the version Python 3.5. You'll need one or the other installed, matching the version
number exactly. number exactly.
- [CMake][cmake-download]. Add CMake executable to the PATH environment - [CMake][cmake-download]. Add CMake executable to the PATH environment
variable. variable.
- [Visual Studio][visual-studio-download]. Download the community edition. - [Visual Studio][visual-studio-download]. Download the community edition.
During setup, select _Desktop development with C++_ in _Workloads_. During setup, select _Desktop development with C++_ in _Workloads_.
Compiling YCM **with** semantic support for C-family languages: Compiling YCM **with** semantic support for C-family languages:
@ -449,7 +384,7 @@ The following additional language support options are available:
- Rust support: install [Rust][rust-install] and add `--rust-completer` when - Rust support: install [Rust][rust-install] and add `--rust-completer` when
calling `install.py`. calling `install.py`.
- Java support: install [JDK8 (version 8 required)][jdk-install] and add - Java support: install [JDK8 (version 8 required)][jdk-install] and add
`--java-completer` when calling `./install.py`. `--java-completer` when calling `install.py`.
To simply compile with everything enabled, there's a `--all` flag. So, to To simply compile with everything enabled, there's a `--all` flag. So, to
install with all language features, ensure `msbuild`, `go`, `tsserver`, `node`, install with all language features, ensure `msbuild`, `go`, `tsserver`, `node`,
@ -3504,11 +3439,10 @@ This software is licensed under the [GPL v3 license][gpl].
[visual-studio-download]: https://www.visualstudio.com/downloads/ [visual-studio-download]: https://www.visualstudio.com/downloads/
[7z-download]: http://www.7-zip.org/download.html [7z-download]: http://www.7-zip.org/download.html
[mono-install-osx]: http://www.mono-project.com/docs/getting-started/install/mac/ [mono-install-osx]: http://www.mono-project.com/docs/getting-started/install/mac/
[mono-install-ubuntu]: http://www.mono-project.com/docs/getting-started/install/linux/#debian-ubuntu-and-derivatives [mono-install-linux]: https://www.mono-project.com/download/stable/#download-lin
[mono-install-fedora]: http://www.mono-project.com/docs/getting-started/install/linux/#centos-7-fedora-19-and-later-and-derivatives
[mono-install]: http://www.mono-project.com/docs/getting-started/install/ [mono-install]: http://www.mono-project.com/docs/getting-started/install/
[go-install]: https://golang.org/doc/install [go-install]: https://golang.org/doc/install
[npm-install]: https://docs.npmjs.com/getting-started/installing-node [npm-install]: https://docs.npmjs.com/getting-started/installing-node#1-install-nodejs--npm
[tern-instructions]: https://github.com/Valloric/YouCompleteMe/wiki/JavaScript-Semantic-Completion-through-Tern [tern-instructions]: https://github.com/Valloric/YouCompleteMe/wiki/JavaScript-Semantic-Completion-through-Tern
[Tern]: http://ternjs.net [Tern]: http://ternjs.net
[racer]: https://github.com/phildawes/racer [racer]: https://github.com/phildawes/racer

428
doc/youcompleteme.txt
View File

@ -9,11 +9,10 @@ Contents ~
4. Intro |youcompleteme-intro| 4. Intro |youcompleteme-intro|
5. Installation |youcompleteme-installation| 5. Installation |youcompleteme-installation|
1. Mac OS X |youcompleteme-mac-os-x| 1. Mac OS X |youcompleteme-mac-os-x|
2. Ubuntu Linux x64 |youcompleteme-ubuntu-linux-x64| 2. Linux 64-bit |youcompleteme-linux-64-bit|
3. Fedora Linux x64 |youcompleteme-fedora-linux-x64| 3. Windows |youcompleteme-windows|
4. Windows |youcompleteme-windows| 4. FreeBSD/OpenBSD |youcompleteme-freebsd-openbsd|
5. FreeBSD/OpenBSD |youcompleteme-freebsd-openbsd| 5. Full Installation Guide |youcompleteme-full-installation-guide|
6. Full Installation Guide |youcompleteme-full-installation-guide|
6. Quick Feature Summary |youcompleteme-quick-feature-summary| 6. Quick Feature Summary |youcompleteme-quick-feature-summary|
1. General (all languages) |youcompleteme-general| 1. General (all languages) |youcompleteme-general|
2. C-family languages (C, C++, Objective C, Objective C++, CUDA) |youcompleteme-c-family-languages| 2. C-family languages (C, C++, Objective C, Objective C++, CUDA) |youcompleteme-c-family-languages|
@ -29,7 +28,7 @@ Contents ~
3. Completion String Ranking |youcompleteme-completion-string-ranking| 3. Completion String Ranking |youcompleteme-completion-string-ranking|
4. General Semantic Completion |youcompleteme-general-semantic-completion| 4. General Semantic Completion |youcompleteme-general-semantic-completion|
5. C-family Semantic Completion |youcompleteme-c-family-semantic-completion| 5. C-family Semantic Completion |youcompleteme-c-family-semantic-completion|
1. Option 1: Use a compilation database [48] |youcompleteme-option-1-use-compilation-database-48| 1. Option 1: Use a compilation database [47] |youcompleteme-option-1-use-compilation-database-47|
2. Option 2: Provide the flags manually |youcompleteme-option-2-provide-flags-manually| 2. Option 2: Provide the flags manually |youcompleteme-option-2-provide-flags-manually|
3. Errors during compilation |youcompleteme-errors-during-compilation| 3. Errors during compilation |youcompleteme-errors-during-compilation|
6. Java Semantic Completion |youcompleteme-java-semantic-completion| 6. Java Semantic Completion |youcompleteme-java-semantic-completion|
@ -223,8 +222,7 @@ Contents ~
- Installation - Installation
- Mac OS X - Mac OS X
- Ubuntu Linux x64 - Linux 64-bit
- Fedora Linux x64
- Windows - Windows
- FreeBSD/OpenBSD - FreeBSD/OpenBSD
- Full Installation Guide - Full Installation Guide
@ -407,19 +405,19 @@ Compiling YCM **without** semantic support for C-family languages:
The following additional language support options are available: The following additional language support options are available:
- C# support: install Mono with Homebrew [25] or by downloading the Mono Mac - C# support: install Mono with Homebrew [25] or by downloading the Mono Mac
package [27] and add '--cs-completer' when calling './install.py'. package [27] and add '--cs-completer' when calling 'install.py'.
- Go support: install Go [28] and add '--go-completer' when calling - Go support: install Go [28] and add '--go-completer' when calling
'./install.py'. 'install.py'.
- JavaScript and TypeScript support: install Node.js and npm [29] then - JavaScript and TypeScript support: install Node.js and npm [29] then
install the TypeScript SDK with 'npm install -g typescript'. install the TypeScript SDK with 'npm install -g typescript'.
- Rust support: install Rust [30] and add '--rust-completer' when calling - Rust support: install Rust [30] and add '--rust-completer' when calling
'./install.py'. 'install.py'.
- Java support: install JDK8 (version 8 required) [31] and add '--java- - Java support: install JDK8 (version 8 required) [31] and add '--java-
completer' when calling './install.py'. completer' when calling 'install.py'.
To simply compile with everything enabled, there's a '--all' flag. So, to To simply compile with everything enabled, there's a '--all' flag. So, to
install with all language features, ensure 'xbuild', 'go', 'tsserver', 'node', install with all language features, ensure 'xbuild', 'go', 'tsserver', 'node',
@ -439,17 +437,18 @@ look at what's available for configuration. There are a few interesting options
that are conservatively turned off by default that you may want to turn on. that are conservatively turned off by default that you may want to turn on.
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
*youcompleteme-ubuntu-linux-x64* *youcompleteme-linux-64-bit*
Ubuntu Linux x64 ~ Linux 64-bit ~
These instructions (using 'install.py') are the quickest way to install These instructions (using 'install.py') are the quickest way to install
YouCompleteMe, however they may not work for everyone. If the following YouCompleteMe, however they may not work for everyone. If the following
instructions don't work for you, check out the full installation guide. instructions don't work for you, check out the full installation guide.
Make sure you have Vim 7.4.1578 with Python 2 or Python 3 support. Ubuntu 16.04 Make sure you have Vim 7.4.1578 with Python 2 or Python 3 support. The Vim
and later have a Vim that's recent enough. You can see the version of Vim package on Fedora 27 and later and the pre-installed Vim on Ubuntu 16.04 and
installed by running 'vim --version'. If the version is too old, you may need later are recent enough. You can see the version of Vim installed by running
to compile Vim from source [32] (don't worry, it's easy). 'vim --version'. If the version is too old, you may need to compile Vim from
source [32] (don't worry, it's easy).
Install YouCompleteMe with Vundle [24]. Install YouCompleteMe with Vundle [24].
@ -457,45 +456,48 @@ Install YouCompleteMe with Vundle [24].
using Vundle and the ycm_core library APIs have changed (happens rarely), YCM using Vundle and the ycm_core library APIs have changed (happens rarely), YCM
will notify you to recompile it. You should then rerun the install process. will notify you to recompile it. You should then rerun the install process.
Install development tools and CMake: Install development tools, CMake, and Python headers:
>
sudo apt-get install build-essential cmake - Fedora 27 and later:
<
**Note:** On older systems (e.g. Ubuntu 14.04) you may run into compilation sudo dnf install cmake gcc-c++ make ncurses-compat-libs python3-devel
issues with 'cmake'. Therefore, install the following instead:
> 'ncurses-compat-libs' is only required for C-family languages support.
sudo apt-get install build-essential cmake3
< - Ubuntu 14.04:
Make sure you have Python headers installed:
> sudo apt install build-essential cmake3 python3-dev
sudo apt-get install python-dev python3-dev
< - Ubuntu 16.04 and later:
sudo apt install build-essential cmake python3-dev
Compiling YCM **with** semantic support for C-family languages: Compiling YCM **with** semantic support for C-family languages:
> >
cd ~/.vim/bundle/YouCompleteMe cd ~/.vim/bundle/YouCompleteMe
./install.py --clang-completer python3 install.py --clang-completer
< <
Compiling YCM **without** semantic support for C-family languages: Compiling YCM **without** semantic support for C-family languages:
> >
cd ~/.vim/bundle/YouCompleteMe cd ~/.vim/bundle/YouCompleteMe
./install.py python3 install.py
< <
The following additional language support options are available: The following additional language support options are available:
- C# support: install Mono [33] and add '--cs-completer' when calling - C# support: install Mono [33] and add '--cs-completer' when calling
'./install.py'. 'install.py'.
- Go support: install Go [28] and add '--go-completer' when calling - Go support: install Go [28] and add '--go-completer' when calling
'./install.py'. 'install.py'.
- JavaScript and TypeScript support: install Node.js and npm [29] then - JavaScript and TypeScript support: install Node.js and npm [29] then
install the TypeScript SDK with 'npm install -g typescript'. install the TypeScript SDK with 'npm install -g typescript'.
- Rust support: install Rust [30] and add '--rust-completer' when calling - Rust support: install Rust [30] and add '--rust-completer' when calling
'./install.py'. 'install.py'.
- Java support: install JDK8 (version 8 required) [31] and add '--java- - Java support: install JDK8 (version 8 required) [31] and add '--java-
completer' when calling './install.py'. completer' when calling 'install.py'.
To simply compile with everything enabled, there's a '--all' flag. So, to To simply compile with everything enabled, there's a '--all' flag. So, to
install with all language features, ensure 'xbuild', 'go', 'tsserver', 'node', install with all language features, ensure 'xbuild', 'go', 'tsserver', 'node',
@ -503,78 +505,7 @@ install with all language features, ensure 'xbuild', 'go', 'tsserver', 'node',
run: run:
> >
cd ~/.vim/bundle/YouCompleteMe cd ~/.vim/bundle/YouCompleteMe
./install.py --all python3 install.py --all
<
That's it. You're done. Refer to the _User Guide_ section on how to use YCM.
Don't forget that if you want the C-family semantic completion engine to work,
you will need to provide the compilation flags for your project to YCM. It's
all in the User Guide.
YCM comes with sane defaults for its options, but you still may want to take a
look at what's available for configuration. There are a few interesting options
that are conservatively turned off by default that you may want to turn on.
-------------------------------------------------------------------------------
*youcompleteme-fedora-linux-x64*
Fedora Linux x64 ~
These instructions (using 'install.py') are the quickest way to install
YouCompleteMe, however they may not work for everyone. If the following
instructions don't work for you, check out the full installation guide.
Make sure you have Vim 7.4.1578 with Python 2 or Python 3 support. Fedora 21
and later have a Vim that's recent enough. You can see the version of Vim
installed by running 'vim --version'. If the version is too old, you may need
to compile Vim from source [32] (don't worry, it's easy).
Install YouCompleteMe with Vundle [24].
**Remember:** YCM is a plugin with a compiled component. If you **update** YCM
using Vundle and the ycm_core library APIs have changed (happens rarely), YCM
will notify you to recompile it. You should then rerun the install process.
Install development tools and CMake:
>
sudo dnf install automake gcc gcc-c++ kernel-devel cmake
<
Make sure you have Python headers installed:
>
sudo dnf install python-devel python3-devel
<
Compiling YCM **with** semantic support for C-family languages:
>
cd ~/.vim/bundle/YouCompleteMe
./install.py --clang-completer
<
Compiling YCM **without** semantic support for C-family languages:
>
cd ~/.vim/bundle/YouCompleteMe
./install.py
<
The following additional language support options are available:
- C# support: install Mono [34] and add '--cs-completer' when calling
'./install.py'.
- Go support: install Go [28] and add '--go-completer' when calling
'./install.py'.
- JavaScript and TypeScript support: install Node.js and npm [29] then
install the TypeScript SDK with 'npm install -g typescript'.
- Rust support: install Rust [30] and add '--rust-completer' when calling
'./install.py'.
- Java support: install JDK8 (version 8 required) [31] and add '--java-
completer' when calling './install.py'.
To simply compile with everything enabled, there's a '--all' flag. So, to
install with all language features, ensure 'xbuild', 'go', 'tsserver', 'node',
'npm', 'rustc', and 'cargo' tools are installed and in your 'PATH', then simply
run:
>
cd ~/.vim/bundle/YouCompleteMe
./install.py --all
< <
That's it. You're done. Refer to the _User Guide_ section on how to use YCM. That's it. You're done. Refer to the _User Guide_ section on how to use YCM.
Don't forget that if you want the C-family semantic completion engine to work, Don't forget that if you want the C-family semantic completion engine to work,
@ -602,13 +533,13 @@ Vim. Look at the features included: '+python/dyn' for Python 2 and
'+python3/dyn' for Python 3. Take note of the Vim architecture, i.e. 32 or '+python3/dyn' for Python 3. Take note of the Vim architecture, i.e. 32 or
64-bit. It will be important when choosing the Python installer. We recommend 64-bit. It will be important when choosing the Python installer. We recommend
using a 64-bit client. Daily updated copies of 32-bit and 64-bit Vim with using a 64-bit client. Daily updated copies of 32-bit and 64-bit Vim with
Python 2 and Python 3 support [35] are available. Python 2 and Python 3 support [34] are available.
Add the line: Add the line:
> >
set encoding=utf-8 set encoding=utf-8
< <
to your vimrc [36] if not already present. This option is required by YCM. Note to your vimrc [35] if not already present. This option is required by YCM. Note
that it does not prevent you from editing a file in another encoding than that it does not prevent you from editing a file in another encoding than
UTF-8. You can do that by specifying the '|++enc|' argument to the ':e' UTF-8. You can do that by specifying the '|++enc|' argument to the ':e'
command. command.
@ -621,7 +552,7 @@ will notify you to recompile it. You should then rerun the install process.
Download and install the following software: Download and install the following software:
- Python 2 or Python 3 [37]. Be sure to pick the version corresponding to - Python 2 or Python 3 [36]. Be sure to pick the version corresponding to
your Vim architecture. It is _Windows x86_ for a 32-bit Vim and _Windows your Vim architecture. It is _Windows x86_ for a 32-bit Vim and _Windows
x86-64_ for a 64-bit Vim. We recommend installing Python 3. Additionally, x86-64_ for a 64-bit Vim. We recommend installing Python 3. Additionally,
the version of Python you install must match up exactly with the version of the version of Python you install must match up exactly with the version of
@ -635,7 +566,7 @@ Download and install the following software:
- CMake [26]. Add CMake executable to the PATH environment variable. - CMake [26]. Add CMake executable to the PATH environment variable.
- Visual Studio [38]. Download the community edition. During setup, select - Visual Studio [37]. Download the community edition. During setup, select
_Desktop development with C++_ in _Workloads_. _Desktop development with C++_ in _Workloads_.
Compiling YCM **with** semantic support for C-family languages: Compiling YCM **with** semantic support for C-family languages:
@ -651,7 +582,7 @@ Compiling YCM **without** semantic support for C-family languages:
The following additional language support options are available: The following additional language support options are available:
- C# support: add '--cs-completer' when calling 'install.py'. Be sure that - C# support: add '--cs-completer' when calling 'install.py'. Be sure that
the build utility 'msbuild' is in your PATH [39]. the build utility 'msbuild' is in your PATH [38].
- Go support: install Go [28] and add '--go-completer' when calling - Go support: install Go [28] and add '--go-completer' when calling
'install.py'. 'install.py'.
@ -663,7 +594,7 @@ The following additional language support options are available:
'install.py'. 'install.py'.
- Java support: install JDK8 (version 8 required) [31] and add '--java- - Java support: install JDK8 (version 8 required) [31] and add '--java-
completer' when calling './install.py'. completer' when calling 'install.py'.
To simply compile with everything enabled, there's a '--all' flag. So, to To simply compile with everything enabled, there's a '--all' flag. So, to
install with all language features, ensure 'msbuild', 'go', 'tsserver', 'node', install with all language features, ensure 'msbuild', 'go', 'tsserver', 'node',
@ -798,9 +729,9 @@ will notify you to recompile it. You should then rerun the install process.
critical because it must match the Python and the YCM libraries critical because it must match the Python and the YCM libraries
architectures. We recommend using a 64-bit Vim. architectures. We recommend using a 64-bit Vim.
2. **Install YCM** with Vundle [24] (or Pathogen [40], but Vundle is a 2. **Install YCM** with Vundle [24] (or Pathogen [39], but Vundle is a
better idea). With Vundle, this would mean adding a "Plugin better idea). With Vundle, this would mean adding a "Plugin
'Valloric/YouCompleteMe'" line to your vimrc [36]. 'Valloric/YouCompleteMe'" line to your vimrc [35].
If you don't install YCM with Vundle, make sure you have run 'git If you don't install YCM with Vundle, make sure you have run 'git
submodule update --init --recursive' after checking out the YCM submodule update --init --recursive' after checking out the YCM
@ -816,7 +747,7 @@ will notify you to recompile it. You should then rerun the install process.
You can use the system libclang _only if you are sure it is version 3.9 You can use the system libclang _only if you are sure it is version 3.9
or higher_, otherwise don't. Even if it is, we recommend using the or higher_, otherwise don't. Even if it is, we recommend using the
official binaries from llvm.org [41] if at all possible. Make sure you official binaries from llvm.org [40] if at all possible. Make sure you
download the correct archive file for your OS. download the correct archive file for your OS.
We **STRONGLY recommend AGAINST use** of the system libclang instead of We **STRONGLY recommend AGAINST use** of the system libclang instead of
@ -836,10 +767,10 @@ will notify you to recompile it. You should then rerun the install process.
a Debian-like Linux distro, this would be 'sudo apt-get install python- a Debian-like Linux distro, this would be 'sudo apt-get install python-
dev python3-dev'. On Mac they should already be present. dev python3-dev'. On Mac they should already be present.
On Windows, you need to download and install Python 2 or Python 3 [37]. On Windows, you need to download and install Python 2 or Python 3 [36].
Pick the version corresponding to your Vim architecture. You will also Pick the version corresponding to your Vim architecture. You will also
need Microsoft Visual C++ (MSVC) to build YCM. You can obtain it by need Microsoft Visual C++ (MSVC) to build YCM. You can obtain it by
installing Visual Studio [38]. MSVC 14 (Visual Studio 2015) and 15 (2017) installing Visual Studio [37]. MSVC 14 (Visual Studio 2015) and 15 (2017)
are officially supported. are officially supported.
Here we'll assume you installed YCM with Vundle. That means that the top- Here we'll assume you installed YCM with Vundle. That means that the top-
@ -881,7 +812,7 @@ will notify you to recompile it. You should then rerun the install process.
extracted the archive file to folder '~/ycm_temp/llvm_root_dir' (with extracted the archive file to folder '~/ycm_temp/llvm_root_dir' (with
'bin', 'lib', 'include' etc. folders right inside that folder). On 'bin', 'lib', 'include' etc. folders right inside that folder). On
Windows, you can extract the files from the LLVM+Clang installer using Windows, you can extract the files from the LLVM+Clang installer using
7-zip [42]. 7-zip [41].
**NOTE:** This _only_ works with a _downloaded_ LLVM binary package, not **NOTE:** This _only_ works with a _downloaded_ LLVM binary package, not
a custom-built LLVM! See docs below for 'EXTERNAL_LIBCLANG_PATH' when a custom-built LLVM! See docs below for 'EXTERNAL_LIBCLANG_PATH' when
@ -922,7 +853,7 @@ will notify you to recompile it. You should then rerun the install process.
5. _This step is optional._ 5. _This step is optional._
Build the regex [43] module for improved Unicode support and better Build the regex [42] module for improved Unicode support and better
performance with regular expressions. The procedure is similar to performance with regular expressions. The procedure is similar to
compiling the 'ycm_core' library: compiling the 'ycm_core' library:
> >
@ -936,14 +867,14 @@ will notify you to recompile it. You should then rerun the install process.
6. Set up support for additional languages, as desired: 6. Set up support for additional languages, as desired:
- C# support: install Mono on non-Windows platforms [44]. Navigate to - C# support: install Mono on non-Windows platforms [43]. Navigate to
'YouCompleteMe/third_party/ycmd/third_party/OmniSharpServer' and run 'YouCompleteMe/third_party/ycmd/third_party/OmniSharpServer' and run
msbuild /property:Configuration=Release /property:Platform="Any CPU" msbuild /property:Configuration=Release /property:Platform="Any CPU"
/property:TargetFrameworkVersion=v4.5 /property:TargetFrameworkVersion=v4.5
On Windows, be sure that the build utility 'msbuild' is in your PATH On Windows, be sure that the build utility 'msbuild' is in your PATH
[39]. [38].
- Go support: install Go [28] and add it to your path. Navigate to - Go support: install Go [28] and add it to your path. Navigate to
'YouCompleteMe/third_party/ycmd/third_party/gocode' and run 'go 'YouCompleteMe/third_party/ycmd/third_party/gocode' and run 'go
@ -958,7 +889,7 @@ will notify you to recompile it. You should then rerun the install process.
build --release'. build --release'.
- Java support: install JDK8 (version 8 required) [31]. Download a - Java support: install JDK8 (version 8 required) [31]. Download a
binary release of eclipse.jdt.ls [45] and extract it to 'YouCompleteM binary release of eclipse.jdt.ls [44] and extract it to 'YouCompleteM
e/third_party/ycmd/third_party/eclipse.jdt.ls/target/repository'. e/third_party/ycmd/third_party/eclipse.jdt.ls/target/repository'.
Note: this approach is not recommended for most users and is Note: this approach is not recommended for most users and is
supported only for advanced users and developers of YCM on a best- supported only for advanced users and developers of YCM on a best-
@ -1087,7 +1018,7 @@ General Usage ~
If the offered completions are too broad, keep typing characters; YCM will If the offered completions are too broad, keep typing characters; YCM will
continue refining the offered completions based on your input. continue refining the offered completions based on your input.
Filtering is "smart-case" and "smart-diacritic [46]" sensitive; if you are Filtering is "smart-case" and "smart-diacritic [45]" sensitive; if you are
typing only lowercase letters, then it's case-insensitive. If your input typing only lowercase letters, then it's case-insensitive. If your input
contains uppercase letters, then the uppercase letters in your query must match contains uppercase letters, then the uppercase letters in your query must match
uppercase letters in the completion strings (the lowercase letters still match uppercase letters in the completion strings (the lowercase letters still match
@ -1138,7 +1069,7 @@ and presents the results to you.
Client-Server Architecture ~ Client-Server Architecture ~
YCM has a client-server architecture; the Vim part of YCM is only a thin client YCM has a client-server architecture; the Vim part of YCM is only a thin client
that talks to the ycmd HTTP+JSON server [47] that has the vast majority of YCM that talks to the ycmd HTTP+JSON server [46] that has the vast majority of YCM
logic and functionality. The server is started and stopped automatically as you logic and functionality. The server is started and stopped automatically as you
start and stop Vim. start and stop Vim.
@ -1178,8 +1109,8 @@ analysis.
There are 2 methods which can be used to provide compile flags to 'libclang': There are 2 methods which can be used to provide compile flags to 'libclang':
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
*youcompleteme-option-1-use-compilation-database-48* *youcompleteme-option-1-use-compilation-database-47*
Option 1: Use a compilation database [48] ~ Option 1: Use a compilation database [47] ~
The easiest way to get YCM to compile your code is to use a compilation The easiest way to get YCM to compile your code is to use a compilation
database. A compilation database is usually generated by your build system database. A compilation database is usually generated by your build system
@ -1187,13 +1118,13 @@ database. A compilation database is usually generated by your build system
in your project. in your project.
For information on how to generate a compilation database, see the clang For information on how to generate a compilation database, see the clang
documentation [48]. In short: documentation [47]. In short:
- If using CMake, add '-DCMAKE_EXPORT_COMPILE_COMMANDS=ON' when configuring - If using CMake, add '-DCMAKE_EXPORT_COMPILE_COMMANDS=ON' when configuring
(or add 'set( CMAKE_EXPORT_COMPILE_COMMANDS ON )' to 'CMakeLists.txt') and (or add 'set( CMAKE_EXPORT_COMPILE_COMMANDS ON )' to 'CMakeLists.txt') and
copy or symlink the generated database to the root of your project. copy or symlink the generated database to the root of your project.
- If using Ninja, check out the 'compdb' tool ('-t compdb') in its docs [49]. - If using Ninja, check out the 'compdb' tool ('-t compdb') in its docs [48].
- If using GNU make, check out Bear [50]. - If using GNU make, check out Bear [49].
- For other build systems, check out '.ycm_extra_conf.py' below. - For other build systems, check out '.ycm_extra_conf.py' below.
If no '.ycm_extra_conf.py' is found, YouCompleteMe automatically tries to load If no '.ycm_extra_conf.py' is found, YouCompleteMe automatically tries to load
@ -1274,14 +1205,14 @@ That's it! This is actually enough for most projects, but for complex projects
it is not uncommon to integrate directly with an existing build system using it is not uncommon to integrate directly with an existing build system using
the full power of the Python language. the full power of the Python language.
For a more elaborate example, see ycmd's own '.ycm_extra_conf.py' [51]. You For a more elaborate example, see ycmd's own '.ycm_extra_conf.py' [50]. You
should be able to use it _as a starting point_. **Don't** just copy/paste that should be able to use it _as a starting point_. **Don't** just copy/paste that
file somewhere and expect things to magically work; **your project needs file somewhere and expect things to magically work; **your project needs
different flags**. Hint: just replace the strings in the 'flags' variable with different flags**. Hint: just replace the strings in the 'flags' variable with
compilation flags necessary for your project. That should be enough for 99% of compilation flags necessary for your project. That should be enough for 99% of
projects. projects.
You could also consider using YCM-Generator [52] to generate the You could also consider using YCM-Generator [51] to generate the
'ycm_extra_conf.py' file. 'ycm_extra_conf.py' file.
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
@ -1331,7 +1262,7 @@ Java Project Files ~
In order to provide semantic analysis, the Java completion engine requires In order to provide semantic analysis, the Java completion engine requires
knowledge of your project structure. In particular it needs to know the class knowledge of your project structure. In particular it needs to know the class
path to use, when compiling your code. Fortunately jdt.ls [18] supports eclipse path to use, when compiling your code. Fortunately jdt.ls [18] supports eclipse
project files [53], maven projects [54] and gradle projects [55]. project files [52], maven projects [53] and gradle projects [54].
**NOTE:** Our recommendation is to use either maven or gradle projects. **NOTE:** Our recommendation is to use either maven or gradle projects.
@ -1366,7 +1297,7 @@ native Java support. This can be done temporarily with ':EclimDisable'.
*youcompleteme-eclipse-projects* *youcompleteme-eclipse-projects*
Eclipse Projects ~ Eclipse Projects ~
Eclipse style projects require two files: .project [53] and .classpath [56]. Eclipse style projects require two files: .project [52] and .classpath [55].
If your project already has these files due to previously being set up within If your project already has these files due to previously being set up within
eclipse, then no setup is required. jdt.ls [18] should load the project just eclipse, then no setup is required. jdt.ls [18] should load the project just
@ -1375,7 +1306,7 @@ fine (it's basically eclipse after all).
However, if not, it is possible (easy in fact) to craft them manually, though However, if not, it is possible (easy in fact) to craft them manually, though
it is not recommended. You're better off using gradle or maven (see below). it is not recommended. You're better off using gradle or maven (see below).
A simple eclipse style project example [57] can be found in the ycmd test A simple eclipse style project example [56] can be found in the ycmd test
directory. Normally all that is required is to copy these files to the root of directory. Normally all that is required is to copy these files to the root of
your project and to edit the '.classpath' to add additional libraries, such as: your project and to edit the '.classpath' to add additional libraries, such as:
> >
@ -1395,10 +1326,10 @@ don't already use eclipse to manage your projects.
*youcompleteme-maven-projects* *youcompleteme-maven-projects*
Maven Projects ~ Maven Projects ~
Maven needs a file named pom.xml [54] in the root of the project. Once again a Maven needs a file named pom.xml [53] in the root of the project. Once again a
simple pom.xml [58] can be found in ycmd source. simple pom.xml [57] can be found in ycmd source.
The format of pom.xml [54] files is way beyond the scope of this document, but The format of pom.xml [53] files is way beyond the scope of this document, but
we do recommend using the various tools that can generate them for you, if we do recommend using the various tools that can generate them for you, if
you're not familiar with them already. you're not familiar with them already.
@ -1406,10 +1337,10 @@ you're not familiar with them already.
*youcompleteme-gradle-projects* *youcompleteme-gradle-projects*
Gradle Projects ~ Gradle Projects ~
Gradle projects require a build.gradle [55]. Again, there is a trivial example Gradle projects require a build.gradle [54]. Again, there is a trivial example
in ycmd's tests [59]. in ycmd's tests [58].
The format of build.gradle [55] files is way beyond the scope of this document, The format of build.gradle [54] files is way beyond the scope of this document,
but we do recommend using the various tools that can generate them for you, if but we do recommend using the various tools that can generate them for you, if
you're not familiar with them already. you're not familiar with them already.
@ -1438,7 +1369,7 @@ configured the project files, in particular check that the classpath is set
correctly. correctly.
For anything else, contact us. Java support is experimental at present so we'd For anything else, contact us. Java support is experimental at present so we'd
love to hear your feedback! Please do remember to check CONTRIBUTING.md [60] love to hear your feedback! Please do remember to check CONTRIBUTING.md [59]
for the list of diagnostics we'll need. for the list of diagnostics we'll need.
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
@ -1513,7 +1444,7 @@ the second position of 'sys.path':
sys_path.insert( 1, '/path/to/third_party/package' ) sys_path.insert( 1, '/path/to/third_party/package' )
return sys_path return sys_path
< <
A more advanced example can be found in YCM's own '.ycm_extra_conf.py' [61]. A more advanced example can be found in YCM's own '.ycm_extra_conf.py' [60].
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
*youcompleteme-configuring-through-vim-options* *youcompleteme-configuring-through-vim-options*
@ -1558,7 +1489,7 @@ Completions and GoTo commands within the current crate and its dependencies
should work out of the box with no additional configuration (provided that you should work out of the box with no additional configuration (provided that you
built YCM with the '--rust-completer' flag; see the _Installation_ section for built YCM with the '--rust-completer' flag; see the _Installation_ section for
details). For semantic analysis inclusive of the standard library, you must details). For semantic analysis inclusive of the standard library, you must
have a local copy of the Rust source code [62]. If using rustup [63], run the have a local copy of the Rust source code [61]. If using rustup [62], run the
following command to download the code: following command to download the code:
> >
rustup component add rust-src rustup component add rust-src
@ -1574,15 +1505,15 @@ extract it somewhere, and set the following option so YCM can locate it:
*youcompleteme-javascript-typescript-semantic-completion* *youcompleteme-javascript-typescript-semantic-completion*
JavaScript and TypeScript Semantic Completion ~ JavaScript and TypeScript Semantic Completion ~
**NOTE:** YCM originally used the Tern [64] engine for JavaScript but due to **NOTE:** YCM originally used the Tern [63] engine for JavaScript but due to
Tern [64] not being maintained anymore by its main author and the TSServer [16] Tern [63] not being maintained anymore by its main author and the TSServer [16]
engine offering more features, YCM is moving to TSServer [16]. This won't engine offering more features, YCM is moving to TSServer [16]. This won't
affect you if you were already using Tern [64] but you are encouraged to do the affect you if you were already using Tern [63] but you are encouraged to do the
switch by deleting the 'third_party/ycmd/third_party/tern_runtime/node_modules' switch by deleting the 'third_party/ycmd/third_party/tern_runtime/node_modules'
directory in YCM folder. If you are a new user but still want to use Tern [64], directory in YCM folder. If you are a new user but still want to use Tern [63],
you should pass the '--js-completer' option to the 'install.py' script during you should pass the '--js-completer' option to the 'install.py' script during
installation. Further instructions on how to setup YCM with Tern [64] are installation. Further instructions on how to setup YCM with Tern [63] are
available on the wiki [65]. available on the wiki [64].
All JavaScript and TypeScript features are provided by the TSServer [16] All JavaScript and TypeScript features are provided by the TSServer [16]
engine, which is included in the TypeScript SDK. To get the SDK, install engine, which is included in the TypeScript SDK. To get the SDK, install
@ -1590,8 +1521,8 @@ Node.js and npm [29] and run the command:
> >
npm install -g typescript npm install -g typescript
< <
TSServer [16] relies on the 'jsconfig.json' file [66] for JavaScript and the TSServer [16] relies on the 'jsconfig.json' file [65] for JavaScript and the
'tsconfig.json' file [67] for TypeScript to analyze your project. Ensure the 'tsconfig.json' file [66] for TypeScript to analyze your project. Ensure the
file exists at the root of your project. file exists at the root of your project.
To get diagnostics in JavaScript, set the 'checkJs' option to 'true' in your To get diagnostics in JavaScript, set the 'checkJs' option to 'true' in your
@ -1623,7 +1554,7 @@ semantic completions if it does not have a native semantic completion engine
for your file's filetype. Vim comes with okayish omnifuncs for various for your file's filetype. Vim comes with okayish omnifuncs for various
languages like Ruby, PHP, etc. It depends on the language. languages like Ruby, PHP, etc. It depends on the language.
You can get a stellar omnifunc for Ruby with Eclim [68]. Just make sure you You can get a stellar omnifunc for Ruby with Eclim [67]. Just make sure you
have the _latest_ Eclim installed and configured (this means Eclim '>= 2.2.*' have the _latest_ Eclim installed and configured (this means Eclim '>= 2.2.*'
and Eclipse '>= 4.2.*'). and Eclipse '>= 4.2.*').
@ -1640,7 +1571,7 @@ Writing New Semantic Completers ~
You have two options here: writing an 'omnifunc' for Vim's omnicomplete system You have two options here: writing an 'omnifunc' for Vim's omnicomplete system
that YCM will then use through its omni-completer, or a custom completer for that YCM will then use through its omni-completer, or a custom completer for
YCM using the Completer API [69]. YCM using the Completer API [68].
Here are the differences between the two approaches: Here are the differences between the two approaches:
@ -1659,7 +1590,7 @@ Here are the differences between the two approaches:
than VimScript. than VimScript.
If you want to use the 'omnifunc' system, see the relevant Vim docs with ':h If you want to use the 'omnifunc' system, see the relevant Vim docs with ':h
complete-functions'. For the Completer API, see the API docs [69]. complete-functions'. For the Completer API, see the API docs [68].
If you want to upstream your completer into YCM's source, you should use the If you want to upstream your completer into YCM's source, you should use the
Completer API. Completer API.
@ -1710,7 +1641,7 @@ current file in Vim's 'locationlist', which can be opened with the ':lopen' and
':lclose' commands (make sure you have set 'let ':lclose' commands (make sure you have set 'let
g:ycm_always_populate_location_list = 1' in your vimrc). A good way to toggle g:ycm_always_populate_location_list = 1' in your vimrc). A good way to toggle
the display of the 'locationlist' with a single key mapping is provided by the display of the 'locationlist' with a single key mapping is provided by
another (very small) Vim plugin called ListToggle [70] (which also makes it another (very small) Vim plugin called ListToggle [69] (which also makes it
possible to change the height of the 'locationlist' window), also written by possible to change the height of the 'locationlist' window), also written by
yours truly. yours truly.
@ -1752,7 +1683,7 @@ Commands ~
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
The *:YcmRestartServer* command The *:YcmRestartServer* command
If the ycmd completion server [47] suddenly stops for some reason, you can If the ycmd completion server [46] suddenly stops for some reason, you can
restart it with this command. restart it with this command.
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
@ -1800,7 +1731,7 @@ semantic completion engine.
The *:YcmToggleLogs* command The *:YcmToggleLogs* command
This command presents the list of logfiles created by YCM, the ycmd server This command presents the list of logfiles created by YCM, the ycmd server
[47], and the semantic engine server for the current filetype, if any. One of [46], and the semantic engine server for the current filetype, if any. One of
these logfiles can be opened in the editor (or closed if already open) by these logfiles can be opened in the editor (or closed if already open) by
entering the corresponding number or by clicking on it with the mouse. entering the corresponding number or by clicking on it with the mouse.
Additionally, this command can take the logfile names as arguments. Use the Additionally, this command can take the logfile names as arguments. Use the
@ -2209,7 +2140,7 @@ For example:
call youcompleteme#GetErrorCount() call youcompleteme#GetErrorCount()
< <
Both this function and |youcompleteme#GetWarningCount| can be useful when Both this function and |youcompleteme#GetWarningCount| can be useful when
integrating YCM with other Vim plugins. For example, a lightline [71] user integrating YCM with other Vim plugins. For example, a lightline [70] user
could add a diagnostics section to their statusline which would display the could add a diagnostics section to their statusline which would display the
number of errors and warnings. number of errors and warnings.
@ -2273,12 +2204,12 @@ Options ~
All options have reasonable defaults so if the plug-in works after installation All options have reasonable defaults so if the plug-in works after installation
you don't need to change any options. These options can be configured in your you don't need to change any options. These options can be configured in your
vimrc script [36] by including a line like this: vimrc script [35] by including a line like this:
> >
let g:ycm_min_num_of_chars_for_completion = 1 let g:ycm_min_num_of_chars_for_completion = 1
< <
Note that after changing an option in your vimrc script [36] you have to Note that after changing an option in your vimrc script [35] you have to
restart ycmd [47] with the |:YcmRestartServer| command for the changes to take restart ycmd [46] with the |:YcmRestartServer| command for the changes to take
effect. effect.
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
@ -2577,13 +2508,13 @@ YCM will not render it.
The following filter types are supported: The following filter types are supported:
- "regex": Accepts a string regular expression [72]. This type matches when - "regex": Accepts a string regular expression [71]. This type matches when
the regex (treated as case-insensitive) is found in the diagnostic text. the regex (treated as case-insensitive) is found in the diagnostic text.
- "level": Accepts a string level, either "warning" or "error." This type - "level": Accepts a string level, either "warning" or "error." This type
matches when the diagnostic has the same level. matches when the diagnostic has the same level.
**NOTE:** The regex syntax is **NOT** Vim's, it's Python's [72]. **NOTE:** The regex syntax is **NOT** Vim's, it's Python's [71].
Default: '{}' Default: '{}'
> >
@ -2672,7 +2603,7 @@ from the 'tagfiles()' Vim function which examines the 'tags' Vim option. See
YCM will re-index your tags files if it detects that they have been modified. YCM will re-index your tags files if it detects that they have been modified.
The only supported tag format is the Exuberant Ctags format [73]. The format The only supported tag format is the Exuberant Ctags format [72]. The format
from "plain" ctags is NOT supported. Ctags needs to be called with the '-- from "plain" ctags is NOT supported. Ctags needs to be called with the '--
fields=+l' option (that's a lowercase 'L', not a one) because YCM needs the fields=+l' option (that's a lowercase 'L', not a one) because YCM needs the
'language:<lang>' field in the tags output. 'language:<lang>' field in the tags output.
@ -2709,7 +2640,7 @@ handy; it's a way of sending data from Vim to your 'Settings' function in your
'.ycm_extra_conf.py' file. '.ycm_extra_conf.py' file.
This option is supposed to be a list of VimScript expression strings that are This option is supposed to be a list of VimScript expression strings that are
evaluated for every request to the ycmd server [47] and then passed to your evaluated for every request to the ycmd server [46] and then passed to your
'Settings' function as a 'client_data' keyword argument. 'Settings' function as a 'client_data' keyword argument.
For instance, if you set this option to "['v:version']", your 'Settings' For instance, if you set this option to "['v:version']", your 'Settings'
@ -2738,7 +2669,7 @@ YCM will by default search for an appropriate Python interpreter on your
system. You can use this option to override that behavior and force the use of system. You can use this option to override that behavior and force the use of
a specific interpreter of your choosing. a specific interpreter of your choosing.
**NOTE:** This interpreter is only used for the ycmd server [47]. The YCM **NOTE:** This interpreter is only used for the ycmd server [46]. The YCM
client running inside Vim always uses the Python interpreter that's embedded client running inside Vim always uses the Python interpreter that's embedded
inside Vim. inside Vim.
@ -2749,7 +2680,7 @@ Default: "''"
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
The *g:ycm_keep_logfiles* option The *g:ycm_keep_logfiles* option
When this option is set to '1', YCM and the ycmd completion server [47] will When this option is set to '1', YCM and the ycmd completion server [46] will
keep the logfiles around after shutting down (they are deleted on shutdown by keep the logfiles around after shutting down (they are deleted on shutdown by
default). default).
@ -2762,7 +2693,7 @@ Default: '0'
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
The *g:ycm_log_level* option The *g:ycm_log_level* option
The logging level that YCM and the ycmd completion server [47] use. Valid The logging level that YCM and the ycmd completion server [46] use. Valid
values are the following, from most verbose to least verbose: - 'debug' - values are the following, from most verbose to least verbose: - 'debug' -
'info' - 'warning' - 'error' - 'critical' 'info' - 'warning' - 'error' - 'critical'
@ -3052,7 +2983,7 @@ It's also possible to use a regular expression as a trigger. You have to prefix
your trigger with 're!' to signify it's a regex trigger. For instance, your trigger with 're!' to signify it's a regex trigger. For instance,
're!\w+\.' would only trigger after the '\w+\.' regex matches. 're!\w+\.' would only trigger after the '\w+\.' regex matches.
**NOTE:** The regex syntax is **NOT** Vim's, it's Python's [72]. **NOTE:** The regex syntax is **NOT** Vim's, it's Python's [71].
Default: '[see next line]' Default: '[see next line]'
> >
@ -3146,7 +3077,7 @@ FAQ ~
I used to be able to 'import vim' in '.ycm_extra_conf.py', but now can't ~ I used to be able to 'import vim' in '.ycm_extra_conf.py', but now can't ~
YCM was rewritten to use a client-server architecture where most of the logic YCM was rewritten to use a client-server architecture where most of the logic
is in the ycmd server [47]. So the magic 'vim' module you could have previously is in the ycmd server [46]. So the magic 'vim' module you could have previously
imported in your '.ycm_extra_conf.py' files doesn't exist anymore. imported in your '.ycm_extra_conf.py' files doesn't exist anymore.
To be fair, importing the magic 'vim' module in extra conf files was never To be fair, importing the magic 'vim' module in extra conf files was never
@ -3217,7 +3148,7 @@ to the message log if it encounters problems. It's likely you misconfigured
something and YCM is complaining about it. something and YCM is complaining about it.
Also, you may want to run the |:YcmDebugInfo| command; it will make YCM spew Also, you may want to run the |:YcmDebugInfo| command; it will make YCM spew
out various debugging information, including the YCM and ycmd [47] logfile out various debugging information, including the YCM and ycmd [46] logfile
paths and the compile flags for the current file if the file is a C-family paths and the compile flags for the current file if the file is a C-family
language file and you have compiled in Clang support. Logfiles can be opened in language file and you have compiled in Clang support. Logfiles can be opened in
the editor using the |:YcmToggleLogs| command. the editor using the |:YcmToggleLogs| command.
@ -3285,7 +3216,7 @@ I have a Homebrew Python and/or MacVim; can't compile/SIGABRT when starting ~
You should probably run 'brew rm python; brew install python' to get the latest You should probably run 'brew rm python; brew install python' to get the latest
fixes that should make YCM work with such a configuration. Also rebuild Macvim fixes that should make YCM work with such a configuration. Also rebuild Macvim
then. If you still get problems with this, see issue #18 [74] for suggestions. then. If you still get problems with this, see issue #18 [73] for suggestions.
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
*youcompleteme-i-get-long_bit-definition-appears-wrong-for-platform-when-compiling* *youcompleteme-i-get-long_bit-definition-appears-wrong-for-platform-when-compiling*
@ -3384,15 +3315,15 @@ YCM does not read identifiers from my tags files ~
First, put 'let g:ycm_collect_identifiers_from_tags_files = 1' in your vimrc. First, put 'let g:ycm_collect_identifiers_from_tags_files = 1' in your vimrc.
Make sure you are using Exuberant Ctags [75] to produce your tags files since Make sure you are using Exuberant Ctags [74] to produce your tags files since
the only supported tag format is the Exuberant Ctags format [73]. The format the only supported tag format is the Exuberant Ctags format [72]. The format
from "plain" ctags is NOT supported. The output of 'ctags --version' should from "plain" ctags is NOT supported. The output of 'ctags --version' should
list "Exuberant Ctags". See Universal Ctags [76] for a maintained version. list "Exuberant Ctags". See Universal Ctags [75] for a maintained version.
Ctags needs to be called with the '--fields=+l' (that's a lowercase 'L', not a Ctags needs to be called with the '--fields=+l' (that's a lowercase 'L', not a
one) option because YCM needs the 'language:<lang>' field in the tags output. one) option because YCM needs the 'language:<lang>' field in the tags output.
**NOTE:** Exuberant Ctags [75] by default sets language tag for '*.h' files as **NOTE:** Exuberant Ctags [74] by default sets language tag for '*.h' files as
'C++'. If you have C (not C++) project, consider giving parameter '-- 'C++'. If you have C (not C++) project, consider giving parameter '--
langmap=c:.c.h' to ctags to see tags from '*.h' files. langmap=c:.c.h' to ctags to see tags from '*.h' files.
@ -3471,7 +3402,7 @@ asynchronicity. This feature is available since Vim 7.4.1578.
*youcompleteme-nasty-bugs-happen-if-i-have-vim-autoclose-plugin-installed* *youcompleteme-nasty-bugs-happen-if-i-have-vim-autoclose-plugin-installed*
Nasty bugs happen if I have the 'vim-autoclose' plugin installed ~ Nasty bugs happen if I have the 'vim-autoclose' plugin installed ~
Use the delimitMate [77] plugin instead. It does the same thing without Use the delimitMate [76] plugin instead. It does the same thing without
conflicting with YCM. conflicting with YCM.
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
@ -3479,7 +3410,7 @@ conflicting with YCM.
Is there some sort of YCM mailing list? I have questions ~ Is there some sort of YCM mailing list? I have questions ~
If you have questions about the plugin or need help, please use the ycm-users If you have questions about the plugin or need help, please use the ycm-users
[78] mailing list, _don't_ create issues on the tracker. The tracker is for bug [77] mailing list, _don't_ create issues on the tracker. The tracker is for bug
reports and feature requests. reports and feature requests.
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
@ -3533,7 +3464,7 @@ mismatch in assumptions causes performance problems since Syntastic code isn't
optimized for this use case of constant diagnostic refreshing. optimized for this use case of constant diagnostic refreshing.
Poor support for this use case also led to crash bugs in Vim caused by Poor support for this use case also led to crash bugs in Vim caused by
Syntastic-Vim interactions (issue #593 [79]) and other problems, like random Syntastic-Vim interactions (issue #593 [78]) and other problems, like random
Vim flickering. Attempts were made to resolve these issues in Syntastic, but Vim flickering. Attempts were made to resolve these issues in Syntastic, but
ultimately some of them failed (for various reasons). ultimately some of them failed (for various reasons).
@ -3569,7 +3500,7 @@ paths, prepend '-isystem' to each individual path and append them all to the
list of flags you return from your 'Settings' function in your list of flags you return from your 'Settings' function in your
'.ycm_extra_conf.py' file. '.ycm_extra_conf.py' file.
See issue #303 [80] for details. See issue #303 [79] for details.
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
*youcompleteme-when-i-start-vim-i-get-runtime-error-saying-r6034-an-application-has-made-an-attempt-to-load-c-runtime-library-incorrectly.* *youcompleteme-when-i-start-vim-i-get-runtime-error-saying-r6034-an-application-has-made-an-attempt-to-load-c-runtime-library-incorrectly.*
@ -3577,7 +3508,7 @@ When I start vim I get a runtime error saying 'R6034 An application has made ~
an attempt to load the C runtime library incorrectly.' ~ an attempt to load the C runtime library incorrectly.' ~
CMake and other things seem to screw up the PATH with their own msvcrXX.dll CMake and other things seem to screw up the PATH with their own msvcrXX.dll
versions. [81] Add the following to the very top of your vimrc to remove these versions. [80] Add the following to the very top of your vimrc to remove these
entries from the path. entries from the path.
> >
python << EOF python << EOF
@ -3602,7 +3533,7 @@ entries from the path.
*youcompleteme-i-hear-that-ycm-only-supports-python-2-is-that-true* *youcompleteme-i-hear-that-ycm-only-supports-python-2-is-that-true*
I hear that YCM only supports Python 2, is that true? ~ I hear that YCM only supports Python 2, is that true? ~
**No.** Both the Vim client and the ycmd server [47] run on Python 2 or 3. If **No.** Both the Vim client and the ycmd server [46] run on Python 2 or 3. If
you are talking about code completion in a project, you can configure the you are talking about code completion in a project, you can configure the
Python used for your project through a '.ycm_extra_conf.py' file. See the Python used for your project through a '.ycm_extra_conf.py' file. See the
Python Semantic Completion section for more details. Python Semantic Completion section for more details.
@ -3613,7 +3544,7 @@ On Windows I get "E887: Sorry, this command is disabled, the Python's site ~
module could not be loaded" ~ module could not be loaded" ~
If you are running vim on Windows with Python 2.7.11, this is likely caused by If you are running vim on Windows with Python 2.7.11, this is likely caused by
a bug [82]. Follow this workaround [83] or use a different version (Python a bug [81]. Follow this workaround [82] or use a different version (Python
2.7.12 does not suffer from the bug). 2.7.12 does not suffer from the bug).
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
@ -3649,12 +3580,12 @@ In recent versions of Vim, you can install YCM in a folder under
*youcompleteme-ycm-does-not-shut-down-when-i-quit-vim* *youcompleteme-ycm-does-not-shut-down-when-i-quit-vim*
YCM does not shut down when I quit Vim ~ YCM does not shut down when I quit Vim ~
YCM relies on the 'VimLeave' event to shut down the ycmd server [47]. Some YCM relies on the 'VimLeave' event to shut down the ycmd server [46]. Some
plugins prevent this event from triggering by exiting Vim through an plugins prevent this event from triggering by exiting Vim through an
autocommand without using the 'nested' keyword (see ':h autocmd-nested'). One autocommand without using the 'nested' keyword (see ':h autocmd-nested'). One
of these plugins is vim-nerdtree-tabs [84]. You should identify which plugin is of these plugins is vim-nerdtree-tabs [83]. You should identify which plugin is
responsible for the issue and report it to the plugin author. Note that when responsible for the issue and report it to the plugin author. Note that when
this happens, ycmd [47] will automatically shut itself down after 30 minutes. this happens, ycmd [46] will automatically shut itself down after 30 minutes.
------------------------------------------------------------------------------- -------------------------------------------------------------------------------
*youcompleteme-ycm-does-not-work-with-my-anaconda-python-setup* *youcompleteme-ycm-does-not-work-with-my-anaconda-python-setup*
@ -3687,17 +3618,17 @@ later.
Contributor Code of Conduct ~ Contributor Code of Conduct ~
Please note that this project is released with a Contributor Code of Conduct Please note that this project is released with a Contributor Code of Conduct
[85]. By participating in this project you agree to abide by its terms. [84]. By participating in this project you agree to abide by its terms.
=============================================================================== ===============================================================================
*youcompleteme-contact* *youcompleteme-contact*
Contact ~ Contact ~
If you have questions about the plugin or need help, please join the Gitter If you have questions about the plugin or need help, please join the Gitter
room [1] or use the ycm-users [78] mailing list. room [1] or use the ycm-users [77] mailing list.
If you have bug reports or feature suggestions, please use the issue tracker If you have bug reports or feature suggestions, please use the issue tracker
[86]. Before you do, please carefully read CONTRIBUTING.md [60] as this asks [85]. Before you do, please carefully read CONTRIBUTING.md [59] as this asks
for important diagnostics which the team will use to help get you going. for important diagnostics which the team will use to help get you going.
The latest version of the plugin is available at The latest version of the plugin is available at
@ -3712,7 +3643,7 @@ YouCompleteMe maintainers directly using the contact details below.
*youcompleteme-license* *youcompleteme-license*
License ~ License ~
This software is licensed under the GPL v3 license [87]. © 2015-2018 This software is licensed under the GPL v3 license [86]. © 2015-2018
YouCompleteMe contributors YouCompleteMe contributors
=============================================================================== ===============================================================================
@ -3747,64 +3678,63 @@ References ~
[26] https://cmake.org/download/ [26] https://cmake.org/download/
[27] http://www.mono-project.com/docs/getting-started/install/mac/ [27] http://www.mono-project.com/docs/getting-started/install/mac/
[28] https://golang.org/doc/install [28] https://golang.org/doc/install
[29] https://docs.npmjs.com/getting-started/installing-node [29] https://docs.npmjs.com/getting-started/installing-node#1-install-nodejs--npm
[30] https://www.rust-lang.org/ [30] https://www.rust-lang.org/
[31] http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html [31] http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
[32] https://github.com/Valloric/YouCompleteMe/wiki/Building-Vim-from-source [32] https://github.com/Valloric/YouCompleteMe/wiki/Building-Vim-from-source
[33] http://www.mono-project.com/docs/getting-started/install/linux/#debian-ubuntu-and-derivatives [33] https://www.mono-project.com/download/stable/#download-lin
[34] http://www.mono-project.com/docs/getting-started/install/linux/#centos-7-fedora-19-and-later-and-derivatives [34] https://bintray.com/micbou/generic/vim
[35] https://bintray.com/micbou/generic/vim [35] http://vimhelp.appspot.com/starting.txt.html#vimrc
[36] http://vimhelp.appspot.com/starting.txt.html#vimrc [36] https://www.python.org/downloads/windows/
[37] https://www.python.org/downloads/windows/ [37] https://www.visualstudio.com/downloads/
[38] https://www.visualstudio.com/downloads/ [38] http://stackoverflow.com/questions/6319274/how-do-i-run-msbuild-from-the-command-line-using-windows-sdk-7-1
[39] http://stackoverflow.com/questions/6319274/how-do-i-run-msbuild-from-the-command-line-using-windows-sdk-7-1 [39] https://github.com/tpope/vim-pathogen#pathogenvim
[40] https://github.com/tpope/vim-pathogen#pathogenvim [40] http://llvm.org/releases/download.html
[41] http://llvm.org/releases/download.html [41] http://www.7-zip.org/download.html
[42] http://www.7-zip.org/download.html [42] https://pypi.org/project/regex/
[43] https://pypi.org/project/regex/ [43] http://www.mono-project.com/docs/getting-started/install/
[44] http://www.mono-project.com/docs/getting-started/install/ [44] http://download.eclipse.org/jdtls/milestones
[45] http://download.eclipse.org/jdtls/milestones [45] https://www.unicode.org/glossary/#diacritic
[46] https://www.unicode.org/glossary/#diacritic [46] https://github.com/Valloric/ycmd
[47] https://github.com/Valloric/ycmd [47] http://clang.llvm.org/docs/JSONCompilationDatabase.html
[48] http://clang.llvm.org/docs/JSONCompilationDatabase.html [48] https://ninja-build.org/manual.html
[49] https://ninja-build.org/manual.html [49] https://github.com/rizsotto/Bear
[50] https://github.com/rizsotto/Bear [50] https://raw.githubusercontent.com/Valloric/ycmd/66030cd94299114ae316796f3cad181cac8a007c/.ycm_extra_conf.py
[51] https://raw.githubusercontent.com/Valloric/ycmd/66030cd94299114ae316796f3cad181cac8a007c/.ycm_extra_conf.py [51] https://github.com/rdnetto/YCM-Generator
[52] https://github.com/rdnetto/YCM-Generator [52] https://help.eclipse.org/oxygen/index.jsp?topic=%2Forg.eclipse.platform.doc.isv%2Freference%2Fmisc%2Fproject_description_file.html
[53] https://help.eclipse.org/oxygen/index.jsp?topic=%2Forg.eclipse.platform.doc.isv%2Freference%2Fmisc%2Fproject_description_file.html [53] https://maven.apache.org/guides/getting-started/maven-in-five-minutes.html
[54] https://maven.apache.org/guides/getting-started/maven-in-five-minutes.html [54] https://docs.gradle.org/current/userguide/tutorial_java_projects.html
[55] https://docs.gradle.org/current/userguide/tutorial_java_projects.html [55] https://help.eclipse.org/mars/index.jsp?topic=%2Forg.eclipse.jdt.doc.isv%2Freference%2Fapi%2Forg%2Feclipse%2Fjdt%2Fcore%2FIClasspathEntry.html
[56] https://help.eclipse.org/mars/index.jsp?topic=%2Forg.eclipse.jdt.doc.isv%2Freference%2Fapi%2Forg%2Feclipse%2Fjdt%2Fcore%2FIClasspathEntry.html [56] https://github.com/Valloric/ycmd/tree/master/ycmd/tests/java/testdata/simple_eclipse_project
[57] https://github.com/Valloric/ycmd/tree/master/ycmd/tests/java/testdata/simple_eclipse_project [57] https://github.com/Valloric/ycmd/blob/java-language-server/ycmd/tests/java/testdata/simple_maven_project/pom.xml
[58] https://github.com/Valloric/ycmd/blob/java-language-server/ycmd/tests/java/testdata/simple_maven_project/pom.xml [58] https://github.com/Valloric/ycmd/tree/master/ycmd/tests/java/testdata/simple_gradle_project
[59] https://github.com/Valloric/ycmd/tree/master/ycmd/tests/java/testdata/simple_gradle_project [59] https://github.com/Valloric/YouCompleteMe/blob/master/CONTRIBUTING.md
[60] https://github.com/Valloric/YouCompleteMe/blob/master/CONTRIBUTING.md [60] https://github.com/Valloric/YouCompleteMe/blob/master/.ycm_extra_conf.py
[61] https://github.com/Valloric/YouCompleteMe/blob/master/.ycm_extra_conf.py [61] https://www.rust-lang.org/downloads.html
[62] https://www.rust-lang.org/downloads.html [62] https://www.rustup.rs/
[63] https://www.rustup.rs/ [63] http://ternjs.net
[64] http://ternjs.net [64] https://github.com/Valloric/YouCompleteMe/wiki/JavaScript-Semantic-Completion-through-Tern
[65] https://github.com/Valloric/YouCompleteMe/wiki/JavaScript-Semantic-Completion-through-Tern [65] https://code.visualstudio.com/docs/languages/jsconfig
[66] https://code.visualstudio.com/docs/languages/jsconfig [66] https://www.typescriptlang.org/docs/handbook/tsconfig-json.html
[67] https://www.typescriptlang.org/docs/handbook/tsconfig-json.html [67] http://eclim.org/
[68] http://eclim.org/ [68] https://github.com/Valloric/ycmd/blob/master/ycmd/completers/completer.py
[69] https://github.com/Valloric/ycmd/blob/master/ycmd/completers/completer.py [69] https://github.com/Valloric/ListToggle
[70] https://github.com/Valloric/ListToggle [70] https://github.com/itchyny/lightline.vim
[71] https://github.com/itchyny/lightline.vim [71] https://docs.python.org/2/library/re.html#regular-expression-syntax
[72] https://docs.python.org/2/library/re.html#regular-expression-syntax [72] http://ctags.sourceforge.net/FORMAT
[73] http://ctags.sourceforge.net/FORMAT [73] https://github.com/Valloric/YouCompleteMe/issues/18
[74] https://github.com/Valloric/YouCompleteMe/issues/18 [74] http://ctags.sourceforge.net/
[75] http://ctags.sourceforge.net/ [75] https://github.com/universal-ctags/ctags
[76] https://github.com/universal-ctags/ctags [76] https://github.com/Raimondi/delimitMate
[77] https://github.com/Raimondi/delimitMate [77] https://groups.google.com/forum/?hl=en#!forum/ycm-users
[78] https://groups.google.com/forum/?hl=en#!forum/ycm-users [78] https://github.com/Valloric/YouCompleteMe/issues/593
[79] https://github.com/Valloric/YouCompleteMe/issues/593 [79] https://github.com/Valloric/YouCompleteMe/issues/303
[80] https://github.com/Valloric/YouCompleteMe/issues/303 [80] http://stackoverflow.com/questions/14552348/runtime-error-r6034-in-embedded-python-application/34696022
[81] http://stackoverflow.com/questions/14552348/runtime-error-r6034-in-embedded-python-application/34696022 [81] https://github.com/vim/vim/issues/717
[82] https://github.com/vim/vim/issues/717 [82] https://github.com/vim/vim-win32-installer/blob/a27bbdba9bb87fa0e44c8a00d33d46be936822dd/appveyor.bat#L86-L88
[83] https://github.com/vim/vim-win32-installer/blob/a27bbdba9bb87fa0e44c8a00d33d46be936822dd/appveyor.bat#L86-L88 [83] https://github.com/jistr/vim-nerdtree-tabs
[84] https://github.com/jistr/vim-nerdtree-tabs [84] https://github.com/Valloric/YouCompleteMe/blob/master/CODE_OF_CONDUCT.md
[85] https://github.com/Valloric/YouCompleteMe/blob/master/CODE_OF_CONDUCT.md [85] https://github.com/Valloric/YouCompleteMe/issues?state=open
[86] https://github.com/Valloric/YouCompleteMe/issues?state=open [86] http://www.gnu.org/copyleft/gpl.html
[87] http://www.gnu.org/copyleft/gpl.html
vim: ft=help vim: ft=help