SwiftKitten
SwiftKitten is a Swift autocompleter for Sublime Text, via the adorable SourceKitten framework. Faster than XCode !
This package is new and still in beta! I welcome any suggestions. If you find a bug, please open an issue. If you want to contribute, feel free to fork and submit a pull request.
Installation
First, make sure to install SourceKitten !
SwiftKitten is available via Package Control.
To install manually, clone this repository into your packages directory:
git clone https://github.com/johncsnyder/SwiftKitten.git
In Sublime, run Preferences: Browse Packages from the command palette to find your packages directory.
Dependencies
The dependencies are included with the SwiftKitten package.
ijson
SwiftKitten uses ijson to parse completions results from SourceKitten. By default, SwiftKitten will use the pure python backend. If the faster yajl2_cffi backend is available, SwiftKitten will automatically load it. It is highly recommended that you build the cffi backend.
cffi [optional]
Navigate to [Packages]/SwiftKitten/cffi/ and run python setup.py build. This will build cffi in place. Maybe sure to run this command with python3.3. Must be compatible with Sublime. Next time you start Sublime, SwiftKitten will load the yajl2_cffi backend.
Caching
SwiftKitten uses pygments to parse autocomplete prefixes and caches the result for the next time you request it. There will be a slight delay the first time you autocomplete a function, but the next time, it will be instantaneous. For example
SwiftKitten will remember the autocomplete results for foo and cache them. The next time you type foo., SwiftKitten will return the cached results. Also, an autocomplete request will be sent if the cached results have timed out (See cache_timeout in package settings). If the results have changed, SwiftKitten will update the autocomplete window. A default cache timeout of one second ensures you will always be shown up-to-date results, while preventing a barrage of unnecessary requests to SourceKitten.
To clear the cache manually, run SwiftKitten: Clear Cache from the command palette (this clears the framework cache also).
Frameworks
SwiftKitten parses your file to find imported frameworks automatically. SwiftKitten requests and caches framework globals separately, since they are only needed once and requesting them via SourceKitten can take a while (e.g. 20-30 seconds for Foundation). It is possible to exclude specific frameworks from autocompletion results (See exclude_framework_globals in package settings).
The framework cache is persistant between sessions. It is saved to Sublime's cache folder on saving a view, and is loaded next time SwiftKitten is loaded.
External frameworks
Please provide a list of paths to external frameworks in settings under extra_framework_paths. These are passed to SourceKitten via compilerargs.
Documentation [experimental]
Running SwiftKitten: Display Documentation from the command palette, or by pressing ctrl+alt+d will search a docset (path specified in settings) via docsetutil and display the most relevant entry in an html popup.
Settings
See SwiftKitten.sublime-settings for more settings and information. Copy this file to [Packages]/User to customize the settings.
/*
SwiftKitten default settings.
All settings can be overriden in a sublime project file.
*/
{
/*
Path to SourceKitten binary.
See `https://github.com/jpsim/SourceKitten`.
*/
"sourcekitten_binary" : "/usr/local/bin/sourcekitten",
/*
sdk to link with. SourceKitten will find the
default sdk (OS X) if left blank.
*/
"sdk" : "",
/*
Extra framework search paths.
To enable autocompletion for external frameworks,
add the path to the directory containing the
framework here.
*/
"extra_framework_paths" : [],
/*
Extra compiler arguments to SourceKitten.
*/
"extra_compilerargs" : "",
/*
Exclude globals from specific frameworks in auto-
completion results. For example, `import Foundation`
adds a lot of bloat to autocomplete results, and can
slow down typing.
*/
"exclude_framework_globals" : ["Foundation"],
/*
Timeout for cached completion data (in seconds).
*/
"cache_timeout" : 1.0,
/*
Limit to number of concurrent completion requests.
*/
"concurrent_request_limit" : 4,
/*
Enable linting. This will query structure info via
SourceKitten, and underline any parse errors. Move
the cursor to the error position to see the error
description in the status bar.
*/
"linting" : true,
/*
Supress Sublime Text regular completions.
*/
"suppress_word_completions" : true,
"suppress_explicit_completions" : true,
/*
Path to docset.
Running `ctrl+alt+d` will search the docset for the
current word or selection and display the docs in
a popup.
*/
"docsetutil_binary" : "/usr/local/bin/docsetutil",
"docset" : "/Applications/Xcode.app/Contents/Developer/Documentation/DocSets/com.apple.adc.documentation.OSX.docset"
}
Additionally, settings can be overridden in a sublime project file.
It is recommended to add the following to user or Swift syntax specific preferences:
"auto_complete_triggers": [ {"selector": "source.swift", "characters": "."} ]
Troubleshooting
If autocompletion is not working, pull up the Sublime python console (ctrl+` ) and see if any error messages are reported.
TO DO
-
Add support for multi-file projects/modules (e.g. specified in a sublime project file).
-
Parse Xcode project to get file list and embedded frameworks (similiar to SourceKittenDaemon).
-
Add Xcode build, run and debug commands. Build system is not flexible enough. Specify the xcode project in sublime project file. Or if xcode project in same folder as sublime project, use this one as default.
-
Build cffi automatically on sublime package install ? I'm not sure if sublime's python interpreter has the necessary tools to build it. Tried briefly but could not get it to work.
-
Add support for multiple docsets. Make documentation context aware. Add support for api links, so that documentation can be navigated.
License
SwiftKitten is MIT licensed.
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![[fix] Fix autocompletion](https://avatars.githubusercontent.com/u/526374?v=4)
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