2014-02-08 10:05:16 +00:00
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,
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/ \,,_ .'|
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,{{| /}}}}/_.' _____________________________________________
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}}}}` '{{' '. / \
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{{{{{ _ ;, \ / Ladies and Gentlemen, \
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,}}}}}} /o`\ ` ;) | |
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{{{{{{ / ( | this is ... |
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}}}}}} | \ | |
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{{{{{{{{ \ \ | |
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}}}}}}}}} '.__ _ | | _____ __ __ _ |
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{{{{{{{{ /`._ (_\ / | / ___/__ ______ / /_____ ______/ /_(_)____ |
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}}}}}}' | //___/ --=: \__ \/ / / / __ \/ __/ __ `/ ___/ __/ / ___/ |
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jgs `{{{{` | '--' | ___/ / /_/ / / / / /_/ /_/ (__ ) /_/ / /__ |
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}}}` | /____/\__, /_/ /_/\__/\__,_/____/\__/_/\___/ |
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| /____/ |
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\_____________________________________________/
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- - -
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1\. [Introduction](#introduction)
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2\. [Installation](#installation)
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3\. [FAQ](#faq)
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4\. [Other resources](#otherresources)
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- - -
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<a name="introduction"></a>
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## 1\. Introduction
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Syntastic is a syntax checking plugin for Vim that runs files through external
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syntax checkers and displays any resulting errors to the user. This can be done
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on demand, or automatically as files are saved. If syntax errors are detected,
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the user is notified and is happy because they didn't have to compile their
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code or execute their script to find them.
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At the time of this writing, syntax checking plugins exist for ActionScript,
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2014-07-02 11:18:18 +00:00
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Ada, AppleScript, AsciiDoc, ASM, BEMHTML, Bro, Bourne shell, C, C++, C#, Cabal,
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Chef, CoffeeScript, Coco, Coq, CSS, Cucumber, CUDA, D, Dart, DocBook, Dust,
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Elixir, Erlang, eRuby, Fortran, Gentoo metadata, GLSL, Go, Haml, Haskell, Haxe,
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2014-03-02 14:35:00 +00:00
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Handlebars, HSS, HTML, Java, JavaScript, JSON, JSX, LESS, Lex, Limbo, LISP,
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2014-02-08 10:05:16 +00:00
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LLVM intermediate language, Lua, MATLAB, NASM, Objective-C, Objective-C++,
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2014-04-18 12:58:02 +00:00
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OCaml, Perl, Perl POD, PHP, gettext Portable Object, OS X and iOS property
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2014-07-02 11:18:18 +00:00
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lists, Puppet, Python, Racket, R, reStructuredText, Ruby, SASS/SCSS, Scala,
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Slim, Tcl, TeX, Texinfo, Twig, TypeScript, Vala, Verilog, VHDL, VimL, xHtml,
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XML, XSLT, YACC, YAML, z80, Zope page templates, and zsh. See the [wiki][3]
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for details about the corresponding supported checkers.
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2014-02-08 10:05:16 +00:00
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Below is a screenshot showing the methods that Syntastic uses to display syntax
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errors. Note that, in practise, you will only have a subset of these methods
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enabled.
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![Screenshot 1][0]
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1. Errors are loaded into the location list for the corresponding window.
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2. When the cursor is on a line containing an error, the error message is echoed in the command window.
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3. Signs are placed beside lines with errors - note that warnings are displayed in a different color.
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4. There is a configurable statusline flag you can include in your statusline config.
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5. Hover the mouse over a line containing an error and the error message is displayed as a balloon.
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6. (not shown) Highlighting errors with syntax highlighting. Erroneous parts of lines can be highlighted.
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<a name="installation"></a>
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## 2\. Installation
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2014-03-11 20:10:50 +00:00
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Installing syntastic is easy but first you need to have the [pathogen][1]
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plugin installed. If you already have [pathogen][1] working then skip
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[Step 1](#step1) and go to [Step 2](#step2).
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2014-02-08 10:05:16 +00:00
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<a name="step1"></a>
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### 2.1\. Step 1: Install pathogen.vim
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2014-03-11 20:10:50 +00:00
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First I'll show you how to install Tim Pope's [pathogen][1] so that it's easy to
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install syntastic. Do this in your terminal so that you get the `pathogen.vim`
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file and the directories it needs:
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```sh
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mkdir -p ~/.vim/autoload ~/.vim/bundle && \
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curl -LSso ~/.vim/autoload/pathogen.vim https://tpo.pe/pathogen.vim
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```
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Next you *need* to add this to your `~/.vimrc`:
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```vim
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execute pathogen#infect()
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```
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2014-02-08 10:05:16 +00:00
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<a name="step2"></a>
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### 2.2\. Step 2: Install syntastic as a pathogen bundle
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2014-03-11 20:10:50 +00:00
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You now have pathogen installed and can put syntastic into `~/.vim/bundle` like
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this:
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```sh
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cd ~/.vim/bundle && \
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git clone https://github.com/scrooloose/syntastic.git
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```
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Quit vim and start it back up to reload it, then type:
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2014-03-11 20:10:50 +00:00
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```vim
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:Helptags
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```
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If you get an error when you do this, then you probably didn't install
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[pathogen][1] right. Go back to [Step 1](#step1) and make sure you did the following:
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2014-02-08 10:05:16 +00:00
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2014-03-11 20:10:50 +00:00
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1. Created both the `~/.vim/autoload` and `~/.vim/bundle` directories.
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2. Added the `call pathogen#infect()` line to your `~/.vimrc` file
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3. Did the `git clone` of syntastic inside `~/.vim/bundle`
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2014-02-08 10:05:16 +00:00
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4. Have permissions to access all of these directories.
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<a name="faq"></a>
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## 3\. FAQ
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2014-04-18 12:58:02 +00:00
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<a name="faqinfo"></a>
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2014-02-08 10:05:16 +00:00
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__Q. I installed syntastic but it isn't reporting any errors...__
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A. The most likely reason is that none of the syntax checkers that it requires
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2014-03-11 20:10:50 +00:00
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is installed. For example: by default, python requires either `flake8` or
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`pylint` to be installed and in your `$PATH`. To see which executables are
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supported, look at the [wiki][3]. Note that aliases do not work; the actual
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executables must be available in your `$PATH`. Symbolic links are okay though.
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You can see syntastic's idea of available checkers by running `:SyntasticInfo`.
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2014-02-08 10:05:16 +00:00
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Another reason it could fail is that either the command line options or the
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error output for a syntax checker may have changed. In this case, make sure you
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have the latest version of the syntax checker installed. If it still fails then
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create an issue - or better yet, create a pull request.
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2014-04-18 12:58:02 +00:00
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<a name="faqperl"></a>
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2014-03-11 20:10:50 +00:00
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__Q. The `perl` checker has stopped working...__
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2014-02-08 10:05:16 +00:00
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2014-03-11 20:10:50 +00:00
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A. The `perl` checker runs `perl -c` against your file, which in turn
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__executes__ any `BEGIN`, `UNITCHECK`, and `CHECK` blocks, and any `use`
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statements in your file (cf. [perlrun][10]). This is probably fine if you
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wrote the file yourself, but it's a security problem if you're checking third
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party files. Since there is currently no way to disable this behaviour while
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still producing useful results, the checker is now disabled by default. To
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(re-)enable it, set `g:syntastic_enable_perl_checker` to 1 in your vimrc:
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```vim
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let g:syntastic_enable_perl_checker = 1
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```
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2014-02-08 10:05:16 +00:00
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2014-07-02 11:18:18 +00:00
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<a name="faqrust"></a>
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__Q. What happened to the `rustc` checker?__
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A. It has been included in the [Rust compiler package][12]. If you have
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a recent version of the Rust compiler, the checker should be picked up
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automatically by syntastic.
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2014-04-18 12:58:02 +00:00
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<a name="faqloclist"></a>
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2014-02-08 10:05:16 +00:00
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__Q. I run a checker and the location list is not updated...__
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2014-03-11 20:10:50 +00:00
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A. By default the location list is changed only when you run the `:Errors`
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2014-02-08 10:05:16 +00:00
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command, in order to minimise conflicts with other plugins. If you want the
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location list to always be updated when you run the checkers, add this line to
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your vimrc:
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```vim
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let g:syntastic_always_populate_loc_list = 1
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2014-02-08 10:05:16 +00:00
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```
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2014-04-18 12:58:02 +00:00
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<a name="faqargs"></a>
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2014-02-08 10:05:16 +00:00
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__Q. How can I pass additional arguments to a checker?__
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A. Almost all syntax checkers use the `makeprgBuild()` function. Those checkers
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that do can be configured using global variables. The general form of the
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2014-03-11 20:10:50 +00:00
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global `args` variables is `syntastic_<filetype>_<checker>_args`.
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2014-02-08 10:05:16 +00:00
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So, If you wanted to pass "--my --args --here" to the ruby mri checker you
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would add this line to your vimrc:
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```vim
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2014-03-11 20:10:50 +00:00
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let g:syntastic_ruby_mri_args = "--my --args --here"
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2014-02-08 10:05:16 +00:00
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```
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See `:help syntastic-checker-options` for more information.
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2014-04-18 12:58:02 +00:00
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<a name="faqcheckers"></a>
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2014-02-08 10:05:16 +00:00
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__Q. Syntastic supports several checkers for my filetype - how do I tell it
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which one(s) to use?__
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A. Stick a line like this in your vimrc:
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```vim
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let g:syntastic_<filetype>_checkers = ['<checker-name>']
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2014-02-08 10:05:16 +00:00
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```
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2014-03-11 20:10:50 +00:00
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To see the list of supported checkers for your filetype look at the
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[wiki][3].
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2014-02-08 10:05:16 +00:00
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2014-03-11 20:10:50 +00:00
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e.g. Python has the following checkers, among others: `flake8`, `pyflakes`,
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`pylint` and a native `python` checker.
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2014-02-08 10:05:16 +00:00
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To tell syntastic to use `pylint`, you would use this setting:
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```vim
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let g:syntastic_python_checkers = ['pylint']
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2014-02-08 10:05:16 +00:00
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```
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Some filetypes, like PHP, have style checkers as well as syntax checkers. These
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can be chained together like this:
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```vim
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let g:syntastic_php_checkers = ['php', 'phpcs', 'phpmd']
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2014-02-08 10:05:16 +00:00
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```
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This is telling syntastic to run the `php` checker first, and if no errors are
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found, run `phpcs`, and then `phpmd`.
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2014-04-18 12:58:02 +00:00
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You can also run checkers explicitly by calling `:SyntasticCheck <checker>`.
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e.g. to run `phpcs` and `phpmd`:
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```vim
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:SyntasticCheck phpcs phpmd
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```
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This works for any checkers available for the current filetype, even if they
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aren't listed in `g:syntastic_<filetype>_checkers`. You can't run checkers for
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"foreign" filetypes though (e.g. you can't run, say, a Python checker if the
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current filetype is `php`).
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<a name="faqaggregate"></a>
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__Q. How can I display together the errors found by all checkers enabled for
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the current file?__
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A. Set `g:syntastic_aggregate_errors` to 1 in your vimrc:
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```vim
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let g:syntastic_aggregate_errors = 1
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```
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See `:help syntastic-aggregating-errors` for more details.
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<a name="faqlnext"></a>
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2014-02-08 10:05:16 +00:00
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__Q. How can I jump between the different errors without using the location
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list at the bottom of the window?__
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A. Vim provides several built in commands for this. See `:help :lnext` and
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`:help :lprev`.
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If you use these commands a lot then you may want to add shortcut mappings to
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your vimrc, or install something like [unimpaired][2], which provides such
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mappings (among other things).
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2014-04-18 12:58:02 +00:00
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<a name="faqstyle"></a>
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2014-02-08 10:05:16 +00:00
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__Q. A syntax checker is giving me unwanted/strange style tips?__
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A. Some filetypes (e.g. php) have style checkers as well as syntax
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checkers. You can usually configure the options that are passed to the style
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checkers, or just disable them. Take a look at the [wiki][3] to see what
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options are available.
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2014-03-11 20:10:50 +00:00
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Alternatively, you can use `g:syntastic_quiet_messages` to filter out the
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messages you don't want to see. e.g. To turn off all style messages:
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```vim
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let g:syntastic_quiet_messages = { "type": "style" }
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```
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See `:help syntastic_quiet_messages` for details.
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2014-04-18 12:58:02 +00:00
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<a name="faqbdelete"></a>
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2014-02-08 10:05:16 +00:00
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__Q. The error window is closed automatically when I :quit the current buffer
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but not when I :bdelete it?__
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A. There is no safe way to handle that situation automatically, but you can
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work around it:
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```vim
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nnoremap <silent> <C-d> :lclose<CR>:bdelete<CR>
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cabbrev <silent> bd lclose\|bdelete
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```
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<a name="otherresources"></a>
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## 4\. Other resources
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The preferred place for posting suggestions, reporting bugs, and general
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2014-07-02 11:18:18 +00:00
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discussions related to syntastic is the [issue tracker at GitHub][4].
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A guide for writing syntax checkers can be found in the [wiki][11].
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There are also a dedicated [google group][5], and a
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[syntastic tag at StackOverflow][6].
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2014-02-08 10:05:16 +00:00
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Syntastic aims to provide a common interface to syntax checkers for as many
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languages as possible. For particular languages, there are, of course, other
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plugins that provide more functionality than syntastic. You might want to take
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a look at [jedi-vim][7], [python-mode][8], or [YouCompleteMe][9].
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[0]: https://github.com/scrooloose/syntastic/raw/master/_assets/screenshot_1.png
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[1]: https://github.com/tpope/vim-pathogen
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[2]: https://github.com/tpope/vim-unimpaired
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[3]: https://github.com/scrooloose/syntastic/wiki/Syntax-Checkers
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[4]: https://github.com/scrooloose/syntastic/issues
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[5]: https://groups.google.com/group/vim-syntastic
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[6]: http://stackoverflow.com/questions/tagged/syntastic
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[7]: https://github.com/davidhalter/jedi-vim
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[8]: https://github.com/klen/python-mode
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2014-04-18 12:58:02 +00:00
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[9]: http://valloric.github.io/YouCompleteMe/
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2014-03-11 20:10:50 +00:00
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[10]: http://perldoc.perl.org/perlrun.html#*-c*
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2014-07-02 11:18:18 +00:00
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[11]: https://github.com/scrooloose/syntastic/wiki/Syntax-Checker-Guide
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[12]: https://github.com/rust-lang/rust/
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