79 lines
2.5 KiB
Org Mode
79 lines
2.5 KiB
Org Mode
#+TITLE: kotlin layer
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#+TAGS: general|layer|multi-paradigm|programming
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[[file:img/kotlin.png]]
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* Table of Contents :TOC_5_gh:noexport:
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- [[#description][Description]]
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- [[#features][Features:]]
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- [[#install][Install]]
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- [[#layer][Layer]]
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- [[#ktlint][Ktlint]]
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- [[#configuration][Configuration]]
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- [[#choosing-a-backend][Choosing a backend]]
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- [[#company-kotlin][Company-kotlin]]
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- [[#lsp][LSP]]
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* Description
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This layer adds support for [[http://kotlinlang.org/][Kotlin]] to Spacemacs.
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** Features:
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- Syntax highlighting
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- Auto-completion
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- Syntax-checking with [[https://github.com/shyiko/ktlint][ktlint]] and [[https://github.com/whirm/flycheck-kotlin][flycheck-kotlin]]
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- Navigation with =ggtags=
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* Install
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** Layer
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To use this configuration layer, add it to your =~/.spacemacs=. You will need to
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add =kotlin= to the existing =dotspacemacs-configuration-layers= list in this
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file.
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** Ktlint
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You must install [[https://github.com/shyiko/ktlint][ktlint]] and make sure that the =ktlint= binary is on Emacs
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=exec-path=
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* Configuration
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All layer configurations can be done by setting layer variables in your dotfile.
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No custom user config lines are necessary
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** Choosing a backend
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This layer provides two alternative backends to choose from.
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*** Company-kotlin
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This is the default choice if nothing is set and no lsp layer
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is loaded in your dotfile. This mode only provides very
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limited IDE capabilities. Used best if only small applications
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are edited. To set explicitly set the following in your
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dotfile:
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#+BEGIN_SRC emacs-lisp
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(kotlin :variables kotlin-backend 'company-kotlin)
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#+END_SRC
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*** LSP
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For proper IDE support this backend should be used. It is
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based on an external server which will be started automatically
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by emacs, once a kotlin file is opened. The key bindings are
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the same for all lsp modes so if you are already familiar with
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one you should be able to work the same in all modes.
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To set explicitly do the following in your dotfile:
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#+BEGIN_SRC emacs-lisp
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(kotlin :variables
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kotlin-backend 'lsp
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kotlin-lsp-jar-path "path/to/kotlin/installdir/install/server/bin/kotlin-language-server")
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#+END_SRC
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For this to work you will also need to obtain
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the latest version of the lsp server from [[https://github.com/fwcd/kotlin-language-server][here]].
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The path to the server jar must be given in the layer
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variable =kotlin-lsp-jar-path=.
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NOTE: Key bindings for LSP are defined in the
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LSP layer. Also it is advisable to have a look
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at the autocomplete layer for an optimal
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intellisense config for LSP.
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