ac30247811
* Added a new function to each language to select the backend * Use these new functions in all `pcase`.
138 lines
4 KiB
EmacsLisp
138 lines
4 KiB
EmacsLisp
;;; funcs.el --- Haskell Layer funcs File for Spacemacs
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;;
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;; Copyright (c) 2012-2018 Sylvain Benner & Contributors
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;;
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;; Author: Sylvain Benner <sylvain.benner@gmail.com>
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;; URL: https://github.com/syl20bnr/spacemacs
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;;
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;; This file is not part of GNU Emacs.
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;;
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;;; License: GPLv3
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;; Completion setup functions
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(defun spacemacs//haskell-backend ()
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"Returns selected backend."
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(if haskell-completion-backend
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haskell-completion-backend
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(cond
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((configuration-layer/layer-used-p 'lsp) 'lsp)
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(t 'ghci))))
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(defun spacemacs-haskell//setup-backend ()
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"Conditionally setup haskell backend."
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(pcase (spacemacs//haskell-backend)
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(`ghci (spacemacs-haskell//setup-ghci))
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(`lsp (spacemacs-haskell//setup-lsp))
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(`intero (spacemacs-haskell//setup-intero))
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(`dante (spacemacs-haskell//setup-dante))
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(`ghc-mod (spacemacs-haskell//setup-ghc-mod))))
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(defun spacemacs-haskell//setup-company ()
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"Conditionally setup haskell completion backend."
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(pcase (spacemacs//haskell-backend)
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(`ghci (spacemacs-haskell//setup-ghci-company))
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(`lsp nil) ;; nothing to do, auto-configured by lsp-mode
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(`intero (spacemacs-haskell//setup-intero-company))
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(`dante (spacemacs-haskell//setup-dante-company))
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(`ghc-mod (spacemacs-haskell//setup-ghc-mod-company))))
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;; ghci functions
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(defun spacemacs-haskell//setup-ghci ()
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(interactive-haskell-mode))
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(defun spacemacs-haskell//setup-ghci-company ()
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(spacemacs|add-company-backends
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:backends (company-ghci company-dabbrev-code company-yasnippet)
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:modes haskell-mode))
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;; LSP functions
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(defun spacemacs-haskell//setup-lsp ()
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"Setup lsp backend"
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(if (configuration-layer/layer-used-p 'lsp)
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(progn
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;; The functionality we require from this is not an autoload, but rather some
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;; top-level code that registers a LSP server type. So we need to load it
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;; directly and can't rely on it being autoloaded.
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(require 'lsp-haskell)
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(lsp))
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(message "`lsp' layer is not installed, please add `lsp' layer to your dotfile.")))
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;; ghc-mod functions
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(defun spacemacs-haskell//setup-ghc-mod ()
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(ghc-init))
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(defun spacemacs-haskell//setup-ghc-mod-company ()
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(spacemacs|add-company-backends
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:backends (company-ghc company-dabbrev-code company-yasnippet)
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:modes haskell-mode))
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;; Dante functions
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(defun spacemacs-haskell//setup-dante ()
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(dante-mode)
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(add-to-list 'spacemacs-jump-handlers 'xref-find-definitions))
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(defun spacemacs-haskell//setup-dante-company ()
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(spacemacs|add-company-backends
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:backends (dante-company company-dabbrev-code company-yasnippet)
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:modes haskell-mode))
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(defun spacemacs-haskell//dante-insert-type ()
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(interactive)
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(dante-type-at :insert))
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;; Intero functions
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(defun spacemacs-haskell//setup-intero ()
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(interactive-haskell-mode)
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(intero-mode)
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(add-to-list 'spacemacs-jump-handlers 'intero-goto-definition))
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(defun spacemacs-haskell//setup-intero-company ()
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(spacemacs|add-company-backends
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:backends (company-intero company-dabbrev-code company-yasnippet)
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:modes haskell-mode))
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(defun haskell-intero/insert-type ()
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(interactive)
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(intero-type-at :insert))
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(defun haskell-intero/display-repl (&optional prompt-options)
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(interactive "P")
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(let ((buffer (intero-repl-buffer prompt-options t)))
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(unless (get-buffer-window buffer 'visible)
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(display-buffer buffer))))
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(defun haskell-intero/pop-to-repl (&optional prompt-options)
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(interactive "P")
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(pop-to-buffer (intero-repl-buffer prompt-options t)))
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(defun haskell-intero//preserve-focus (f &rest args)
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(let ((buffer (current-buffer)))
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(apply f args)
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(pop-to-buffer buffer)))
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;; misc
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(defun spacemacs-haskell//disable-electric-indent ()
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"Disable electric indent mode if available"
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;; use only internal indentation system from haskell
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(if (fboundp 'electric-indent-local-mode)
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(electric-indent-local-mode -1)))
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(defun spacemacs/haskell-format-imports ()
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"Sort and align import statements from anywhere in the source file."
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(interactive)
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(save-excursion
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(haskell-navigate-imports)
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(haskell-mode-format-imports)))
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