Maciej Szlosarczyk
1f20dd7bc1
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103 lines
3.5 KiB
EmacsLisp
103 lines
3.5 KiB
EmacsLisp
;;; languages/erlang -- summary -*- lexical-binding: t; -*-
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;;; Commentary:
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;;; Code:
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(require 'icejam-prog-mode)
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(require 'icejam-lsp)
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(require 'icejam-projectile)
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(use-package erlang
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:defer t
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:straight t
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:requires (lsp-mode lsp-ui))
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(cl-defun erlang/emacs-path (erlang-version)
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(car (split-string
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(shell-command-to-string
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(format "find $HOME/.asdf/installs/erlang/%s/ -name erlang.el"
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erlang-version)) "erlang.el")))
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(cl-defun erlang/erlang-path (erlang-version)
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(format "$HOME/.asdf/installs/erlang/%s/" erlang-version))
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(defun erlang/erlang-plist (erlang-version)
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"Create property list for ERLANG-VERSION."
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(list :version erlang-version
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:erlang-path (erlang/erlang-path erlang-version)
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:emacs-path (erlang/emacs-path erlang-version)))
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(cl-defun erlang/installed-erlangs ()
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(split-string
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(shell-command-to-string
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(format "asdf list erlang"))))
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(cl-defun erlang/available-versions--plist ()
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(mapcar 'erlang/erlang-plist (erlang/installed-erlangs)))
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(defvar erlang/available-versions (erlang/available-versions--plist))
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(cl-defun erlang/currently-in-use ()
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(car (split-string (shell-command-to-string "asdf current erlang"))))
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(cl-defun erlang/current-version--plistp (erlang-plist)
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(equal (plist-get erlang-plist :version) (erlang/currently-in-use)))
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(cl-defun erlang/current-plist ()
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(seq-find 'erlang/current-version--plistp erlang/available-versions))
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;; Flycheck checker for Erlang
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(flycheck-define-checker erlang-otp
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"An Erlang syntax checker using the Erlang interpreter."
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:command ("erlc" "-o" temporary-directory "-Wall"
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"-I" "../include" "-I" "../../include"
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"-I" "../../../include" source)
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:error-patterns
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((warning line-start (file-name) ":" line ": Warning:" (message) line-end)
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(error line-start (file-name) ":" line ": " (message) line-end))
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:modes (my-erlang-mode))
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(defun erlang/activate-erlang-mode ()
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"All things for all Erlang, including header files."
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(when (featurep 'erlang-start) (unload-feature 'erlang-start))
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(defvar erlang/current-erlang (erlang/current-plist))
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(add-to-list (make-local-variable 'load-path)
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(plist-get erlang/current-erlang :emacs-path))
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(add-to-list (make-local-variable 'exec-path)
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(format "%slib/tools-3.1/emacs"
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(plist-get erlang/current-erlang :erlang-path)))
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(setq-local erlang-man-root-dir
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(format "%sman"
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(plist-get erlang/current-erlang :erlang-path)))
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(require 'erlang-start)
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(set-indent 4)
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(column-enforce-n 80)
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;; Add include path so that Erlang does not complain about
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;; missing header files.
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(setq-local flycheck-erlang-include-path
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(list (format "%sdeps" (projectile-project-root))
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(format "%s_build/default/lib" (projectile-project-root))
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(format "%sinclude" (projectile-project-root))
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(format "%sapps" (projectile-project-root))))
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(setq-local flycheck-erlang-library-path
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(list (format "%sdeps" (projectile-project-root))
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(format "%s_build/default/lib" (projectile-project-root))
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(format "%sapps" (projectile-project-root))))
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;; Company list override
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(add-to-list (make-local-variable 'company-backends)
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'(company-capf company-yasnippet))
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;; Start LSP server
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(lsp))
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(add-hook 'erlang-mode-hook 'erlang/activate-erlang-mode)
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(provide 'icejam-lang-erlang)
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;;; icejam-lang-erlang.el ends here
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