43 lines
1.4 KiB
EmacsLisp
43 lines
1.4 KiB
EmacsLisp
;; Requires `ambrevar/sly-end-of-prompt-p'.
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(defun ambrevar/sly-prompt-begin-position ()
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(cond
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((and (get-text-property (point) 'sly-mrepl--prompt)
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(not (get-text-property (1- (point)) 'sly-mrepl--prompt)))
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(point))
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((or (get-text-property (point) 'sly-mrepl--prompt)
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(ambrevar/sly-end-of-prompt-p))
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(previous-single-char-property-change
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(point) 'sly-mrepl--prompt))
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(t (previous-single-char-property-change
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(previous-single-char-property-change
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(point) 'sly-mrepl--prompt)
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'sly-mrepl--prompt))))
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(defun ambrevar/sly-prompt-end-position ()
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(save-excursion
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(goto-char (ambrevar/sly-prompt-begin-position))
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(call-interactively #'sly-mrepl-next-prompt)
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(point)))
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(defun ambrevar/sly-output-end-position ()
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(if (get-text-property (point) 'sly-mrepl--prompt)
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(next-single-char-property-change
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(next-single-char-property-change
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(point) 'sly-mrepl--prompt)
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'sly-mrepl--prompt)
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(next-single-char-property-change
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(point) 'sly-mrepl--prompt)))
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(defun ambrevar/sly-narrow-to-prompt ()
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"Narrow buffer to prompt at point."
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(interactive)
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(narrow-to-region
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(ambrevar/sly-prompt-begin-position)
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(ambrevar/sly-output-end-position)))
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(with-eval-after-load 'sly-mrepl
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(define-key sly-mrepl-mode-map (kbd "C-x n d") 'ambrevar/sly-narrow-to-prompt))
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(provide 'init-sly-narrow)
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