169 lines
5.3 KiB
EmacsLisp
169 lines
5.3 KiB
EmacsLisp
;;;; Hacks for Lilypond work
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(use-package lilypond-mode
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:load-path "elisp-git/lilypond/elisp"
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:bind
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(("C-c C-i" . LilyPond-info)
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("M-]" . set-selective-display)
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:map LilyPond-mode-map
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("M-p" . cp-backward-def)
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("M-n" . cp-forward-def)
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("M-P" . cp-upper-level)
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("M-N" . cp-lower-level)
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("C-c C-w" . cp-ly-wrap-para))
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:commands LilyPond-mode
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:load-path "../user/"
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:mode (("\\.ly$" . LilyPond-mode)
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("\\.ily$" . LilyPond-mode))
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:config
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(--map (add-hook 'LilyPond-mode-hook it)
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'(subword-mode
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(lambda () (turn-on-font-lock))))
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(defalias 'string-to-int #'string-to-number)
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(defvar cp/ly-definition-rx
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'(and bol
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(1+ (any "a-z" "A-Z" "\\\\"))
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(1+ (any "a-z" "A-Z" "\\\\" " "))
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(any "{" "=" "#")))
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(defun cp-backward-def ()
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(interactive)
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(unless (region-active-p)
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(push-mark))
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(re-search-backward (rx-to-string cp/ly-definition-rx)
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nil t)
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(beginning-of-line)
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(recenter))
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(defun cp-forward-def ()
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(interactive)
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(let* ((regex (rx-to-string cp/ly-definition-rx))
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(count (if (looking-at-p regex) 2 1)))
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(unless (region-active-p)
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(push-mark))
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;; (forward-char)
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(if (not (re-search-forward regex nil t count))
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(re-search-forward "^}" nil t))
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;; (re-search-forward "^[\\a-zA-Z]" nil t)
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(beginning-of-line)
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(recenter)))
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;; (defun cp-backward-def ()
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;; (interactive)
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;; (re-search-backward "\(^\\\\?[a-zA-Z]\|^ *\\[a-zA-Z]\)")
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;; (beginning-of-line))
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;; (defun cp-forward-def ()
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;; (interactive)
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;; (forward-char)
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;; (re-search-forward "\(^\\\\?[a-zA-Z]\|^ *\\[a-zA-Z]\)")
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;; (beginning-of-line))
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(defun cp-upper-level ()
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(interactive)
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(re-search-backward "{"))
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(defun cp-lower-level ()
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(interactive)
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(if (equal (string (char-after)) "{")
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(forward-char))
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(if (not (re-search-forward "{"))
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(message "At deepest level."))
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(backward-char))
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;; (defun cp-lilypond-enclose-<< ()
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;; (interactive)
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;; (if (equal (string (char-after)) "\\")
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;; (progn (insert "<< ")
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;; (search-forward "{")
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;; (backward-char)
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;; (forward-sexp))))
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;; if at a \new ... block - enclose expression
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;; otherwise, enclose current position and after the first bar check
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;; found
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;; if region is active, enclose beginning and end
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;; (defun cp-lilypond-enclose-<< ()
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;; (interactive)
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;; (if (equal (thing-at-point 'sexp)
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;; "\\new")
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;; (progn ;; (insert "<< ")
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;; (newline-and-indent)
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;; (search-forward "{")
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;; (backward-char)
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;; (forward-list)
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;; ;; (forward-sexp))
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;; )
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;; ;; (let ((point1 (point)))
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;; ;; (next-line)
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;; ;; (goto-char point1))
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;; ))
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;; (define-key LilyPond-mode-map (kbd "<<")
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;; 'cp-lilypond-enclose-<<)
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;; If I change files, it's still main.ly that gets compiled; this is
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;; good most of the time, but many times I want to compile a part-*
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;; file instead. If we compile both main.ly and the respective part-*
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;; file every time, it's wasteful. Having to select means giving up
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;; the 'effortless-compilation' behaviour.
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;; 2017-03-14T00:52:07+0530 - commented out, see cp/after-save
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;; (defadvice LilyPond-save-buffer
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;; (after lysb activate)
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;; ;; (compile "make")
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;; (cd (locate-dominating-file (buffer-file-name)
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;; "main.ly"))
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;; (compile (car compile-history)))
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;;
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;; (defadvice compile
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;; (before compile activate)
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;; (if (equal major-mode 'LilyPond-mode)
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;; (cd (locate-dominating-file (buffer-file-name)
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;; "main.ly"))))
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;; TODO - refactor into one COND, with one case per operation.
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;; TODO - operate on region as well.
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(defun cp-ly-wrap-para (arg)
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"Wrap current paragraph with -
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\\relative c { ... } with no args,
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\\repeat { ... } with universal argument,
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and only braces - { ... } - with null argument.
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Numeric arg wraps that many paragraphs.
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TODO - wrap region if region active"
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(interactive "P")
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(let ((point-a (point)))
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(beginning-of-line)
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(unless (looking-at "[[:blank:]]*$")
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;; go to start of paragraph or block, or previous blank line
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(re-search-backward (rx (or (and bol (0+ blank) eol)
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(and "{" eol))))
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(end-of-line))
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(newline-and-indent)
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(insert (pcase arg
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(`(,x) "\\repeat {")
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(0 "{")
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;; nil
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(_ "\\relative c {")))
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(let ((indent-start (point)))
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(forward-paragraph (pcase arg
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(`(,x) 1)
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(_ (if (and arg (<= arg 0))
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1 arg))))
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(indent-region indent-start (point))
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(insert "}")
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(indent-for-tab-command)
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(newline)
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;; FIXME
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(goto-char (pcase arg
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(0 point-a)
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(_ (- indent-start 2))))))))
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;; TODO - cp-ly-new-var, bind to M-RET.
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;; Exits current variable body, if in any, and inserts "| = \relative
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;; c {\n\n \n}", where | is the cursor
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(provide 'cp-lily)
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