265 lines
9.2 KiB
EmacsLisp
265 lines
9.2 KiB
EmacsLisp
;;; lean-mode.el --- Emacs mode for Lean theorem prover
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;;
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;; Copyright (c) 2013, 2014 Microsoft Corporation. All rights reserved.
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;;
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;; Author: Leonardo de Moura <leonardo@microsoft.com>
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;; Soonho Kong <soonhok@cs.cmu.edu>
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;; Maintainer: Soonho Kong <soonhok@cs.cmu.edu>
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;; Created: Jan 09, 2014
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;; Keywords: languages
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;; Version: 0.1
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;; URL: https://github.com/leanprover/lean/blob/master/src/emacs
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;;
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;; Released under Apache 2.0 license as described in the file LICENSE.
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;;
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(require 'pcase)
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(require 'lean-require)
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(require 'eri)
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(require 'lean-variable)
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(require 'lean-util)
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(require 'lean-settings)
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(require 'lean-flycheck)
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(require 'lean-input)
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(require 'lean-type)
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(require 'lean-tags)
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(require 'lean-option)
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(require 'lean-syntax)
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(require 'lean-mmm-lua)
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(require 'lean-company)
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(require 'lean-changes)
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(require 'lean-server)
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(require 'lean-project)
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(defun lean-compile-string (exe-name args file-name)
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"Concatenate exe-name, args, and file-name"
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(format "%s %s %s" exe-name args file-name))
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(defun lean-create-temp-in-system-tempdir (file-name prefix)
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"Create a temp lean file and return its name"
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(make-temp-file (or prefix "flymake") nil ".lean"))
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(defun lean-execute (&optional arg)
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"Execute Lean in the current buffer"
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(interactive)
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(setq arg (concat (lean-option-string) " " arg))
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(when (called-interactively-p)
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(setq arg (read-string "arg: " arg)))
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(let ((target-file-name
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(or
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(buffer-file-name)
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(flymake-init-create-temp-buffer-copy 'lean-create-temp-in-system-tempdir))))
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(compile (lean-compile-string
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(lean-get-executable lean-executable-name)
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(or arg "")
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target-file-name))))
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(defun lean-std-exe ()
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(interactive)
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(lean-execute))
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(defun lean-check-expansion ()
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(interactive)
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(save-excursion
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(if (looking-at (rx symbol-start "_")) t
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(if (looking-at "\\_>") t
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(backward-char 1)
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(if (looking-at "\\.") t
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(backward-char 1)
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(if (looking-at "->") t nil))))))
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(defun lean-tab-indent ()
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(cond ((looking-back (rx line-start (* white)))
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(eri-indent))
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(t (indent-for-tab-command))))
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(defun lean-tab-indent-or-complete ()
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(interactive)
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(if (minibufferp)
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(minibuffer-complete)
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(cond ((and lean-company-use (company-lean--check-prefix))
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(company-complete-common))
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(lean-company-use (lean-tab-indent))
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((lean-check-expansion)
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(completion-at-point-functions))
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(t (lean-tab-indent)))))
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(defun lean-set-keys ()
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(local-set-key "\C-c\C-x" 'lean-std-exe)
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(local-set-key "\C-c\C-l" 'lean-std-exe)
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(local-set-key "\C-c\C-k" 'quail-show-key)
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(local-set-key "\C-c\C-o" 'lean-set-option)
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(local-set-key "\C-c\C-e" 'lean-eval-cmd)
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(local-set-key "\C-c\C-t" 'lean-show-type)
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(local-set-key "\C-c\C-f" 'lean-fill-placeholder)
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(local-set-key "\C-c\C-r" 'lean-server-restart-process)
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(local-set-key "\M-." 'lean-find-tag)
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(local-set-key (kbd "TAB") 'lean-tab-indent-or-complete))
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(define-abbrev-table 'lean-abbrev-table
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'())
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(defvar lean-mode-map (make-sparse-keymap)
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"Keymap used in Lean mode")
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(easy-menu-define lean-mode-menu lean-mode-map
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"Menu for the Lean major mode"
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`("Lean"
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["Execute lean" lean-execute t]
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["Create a new project" (call-interactively 'lean-project-create) (not (lean-project-inside-p))]
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"-----------------"
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["Show type info" lean-eldoc-documentation-function lean-eldoc-use]
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["Fill a placeholder" lean-fill-placeholder (looking-at (rx symbol-start "_"))]
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["Find tag at point" lean-find-tag t]
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["Global tag search" lean-global-search t]
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"-----------------"
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["Run flycheck" flycheck-compile lean-flycheck-use]
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["List of errors" flycheck-list-errors lean-flycheck-use]
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"-----------------"
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["Clear all cache" lean-clear-cache t]
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["Kill lean process" lean-server-kill-process t]
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["Restart lean process" lean-server-restart-process t]
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"-----------------"
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["Customize lean-mode" (customize-group 'lean) t]))
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(defconst lean-hooks-alist
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'(
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;; Handle events that may start automatic syntax checks
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(before-save-hook . lean-whitespace-cleanup)
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(after-save-hook . lean-server-after-save)
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;; ;; Handle events that may triggered pending deferred checks
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;; (window-configuration-change-hook . lean-perform-deferred-syntax-check)
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;; (post-command-hook . lean-perform-deferred-syntax-check)
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;; ;; Teardown Lean whenever the buffer state is about to get lost, to
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;; ;; clean up temporary files and directories.
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;; (kill-buffer-hook . lean-teardown)
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;; (change-major-mode-hook . lean-teardown)
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(before-revert-hook . lean-before-revert)
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(after-revert-hook . lean-after-revert)
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;; ;; Update the error list if necessary
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;; (post-command-hook . lean-error-list-update-source)
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;; (post-command-hook . lean-error-list-highlight-errors)
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;; ;; Show or hide error popups after commands
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;; (post-command-hook . lean-display-error-at-point-soon)
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;; (post-command-hook . lean-hide-error-buffer)
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)
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"Hooks which lean-mode needs to hook in.
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The `car' of each pair is a hook variable, the `cdr' a function
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to be added or removed from the hook variable if Flycheck mode is
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enabled and disabled respectively.")
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(when lean-follow-changes
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(add-to-list 'lean-hooks-alist '(after-change-functions . lean-after-change-function))
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(add-to-list 'lean-hooks-alist '(before-change-functions . lean-before-change-function)))
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(defun lean-mode-setup ()
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"Default lean-mode setup"
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;; Flycheck
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(when lean-flycheck-use
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(lean-flycheck-turn-on)
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(setq-local flycheck-disabled-checkers '(lua))
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(add-hook 'flycheck-after-syntax-check-hook 'lean-flycheck-delete-temporaries nil t))
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;; Draw a vertical line for rule-column
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(when (and lean-rule-column
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lean-show-rule-column-method)
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(cl-case lean-show-rule-column-method
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('vline (require 'fill-column-indicator)
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(setq fci-rule-column lean-rule-column)
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(setq fci-rule-color lean-rule-color)
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(fci-mode t))))
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;; eldoc
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(when lean-eldoc-use
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(set (make-local-variable 'eldoc-documentation-function)
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'lean-eldoc-documentation-function)
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(eldoc-mode t))
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;; company-mode
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(when lean-company-use
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(company-lean-hook))
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;; mmm-lua-mode
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(lean-mmm-lua-hook)
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;; choose minor mode -- Standard / HoTT
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(let ((minor-mode (lean-choose-minor-mode-based-on-extension)))
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(cond
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((eq minor-mode 'hott) (lean-hott-mode) )
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((eq minor-mode 'standard) (lean-standard-mode)))))
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;; Define Minor mode
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;; - Standard
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;; - HoTT
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(define-minor-mode lean-standard-mode
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"Minor mode for standard Lean."
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:init-value nil
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:lighter " [Standard]"
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:group 'lean
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:require 'lean)
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(define-minor-mode lean-hott-mode
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"Minor mode for HoTT Lean."
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:init-value nil
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:lighter " [HoTT]"
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:group 'lean
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:require 'lean)
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;; Automode List
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;;;###autoload
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(define-derived-mode lean-mode prog-mode "Lean"
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"Major mode for Lean
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\\{lean-mode-map}
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Invokes `lean-mode-hook'.
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"
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:syntax-table lean-syntax-table
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:abbrev-table lean-abbrev-table
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:group 'lean
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(set (make-local-variable 'comment-start) "--")
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(set (make-local-variable 'comment-start-skip) "[-/]-[ \t]*")
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(set (make-local-variable 'comment-end) "")
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(set (make-local-variable 'comment-end-skip) "[ \t]*\\(-/\\|\\s>\\)")
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(set (make-local-variable 'comment-padding) 1)
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(set (make-local-variable 'comment-use-syntax) t)
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(set (make-local-variable 'font-lock-defaults) lean-font-lock-defaults)
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(set (make-local-variable 'indent-tabs-mode) nil)
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(set 'compilation-mode-font-lock-keywords '())
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(set-input-method "Lean")
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(set (make-local-variable 'lisp-indent-function)
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'common-lisp-indent-function)
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(lean-set-keys)
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;; (abbrev-mode 1)
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(pcase-dolist (`(,hook . ,fn) lean-hooks-alist)
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(add-hook hook fn nil 'local))
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(lean-mode-setup))
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;;; Automatically update TAGS file without asking
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(setq tags-revert-without-query t)
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;; Automatically use lean-mode for .lean files.
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;;;###autoload
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(push '("\\.lean$" . lean-mode) auto-mode-alist)
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(push '("\\.hlean$" . lean-mode) auto-mode-alist)
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;; Use utf-8 encoding
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;;;### autoload
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(modify-coding-system-alist 'file "\\.lean\\'" 'utf-8)
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(modify-coding-system-alist 'file "\\.hlean\\'" 'utf-8)
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;; Flycheck init
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(when lean-flycheck-use
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(require 'flycheck)
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(eval-after-load 'flycheck
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'(lean-flycheck-init)))
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;; Lean Info Mode (for "*lean-info*" buffer)
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;; Automode List
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;;;###autoload
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(define-derived-mode lean-info-mode prog-mode "Lean-Info"
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"Major mode for Lean Info Buffer"
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:syntax-table lean-syntax-table
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:group 'lean
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(set (make-local-variable 'font-lock-defaults) lean-info-font-lock-defaults)
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(set (make-local-variable 'indent-tabs-mode) nil)
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(set 'compilation-mode-font-lock-keywords '())
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(set-input-method "Lean")
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(set (make-local-variable 'lisp-indent-function)
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'common-lisp-indent-function))
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(provide 'lean-mode)
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;;; lean-mode.el ends here
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