diff options
Diffstat (limited to 'lisp')
| -rw-r--r-- | lisp/progmodes/compile.el | 48 |
1 files changed, 46 insertions, 2 deletions
diff --git a/lisp/progmodes/compile.el b/lisp/progmodes/compile.el index e75a44b6537..a621779f8cb 100644 --- a/lisp/progmodes/compile.el +++ b/lisp/progmodes/compile.el @@ -1752,6 +1752,13 @@ If nil, ask to kill it." :type 'boolean :version "24.3") +(defcustom compilation-max-output-line-length 400 + "Output lines that are longer than this value will be hidden. +If nil, don't hide anything." + :type '(choice (const :tag "Hide nothing" nil) + number) + :version "29.1") + (defun compilation--update-in-progress-mode-line () ;; `compilation-in-progress' affects the mode-line of all ;; buffers when it changes from nil to non-nil or vice-versa. @@ -2426,13 +2433,16 @@ and runs `compilation-filter-hook'." ;; We used to use `insert-before-markers', so that windows with ;; point at `process-mark' scroll along with the output, but we ;; now use window-point-insertion-type instead. - (insert string) + (if (not compilation-max-output-line-length) + (insert string) + (dolist (line (string-lines string nil t)) + (compilation--insert-abbreviated-line + line compilation-max-output-line-length))) (unless comint-inhibit-carriage-motion (comint-carriage-motion (process-mark proc) (point))) (set-marker (process-mark proc) (point)) ;; Update the number of errors in compilation-mode-line-errors (compilation--ensure-parse (point)) - ;; (setq-local compilation-buffer-modtime (current-time)) (run-hooks 'compilation-filter-hook)) (goto-char pos) (narrow-to-region min max) @@ -2440,6 +2450,40 @@ and runs `compilation-filter-hook'." (set-marker min nil) (set-marker max nil)))))) +(defun compilation--insert-abbreviated-line (string width) + (if (and (> (current-column) 0) + (get-text-property (1- (point)) 'button)) + ;; We already have an abbreviation; just add the string to it. + (let ((beg (point))) + (insert string) + (add-text-properties + beg + ;; Don't make the final newline invisible. + (if (= (aref string (1- (length string))) ?\n) + (1- (point)) + (point)) + (text-properties-at (1- beg)))) + (insert string) + ;; If we exceeded the limit, hide the last portion of the line. + (when (> (current-column) width) + (let ((start (save-excursion + (move-to-column width) + (point)))) + (buttonize-region + start (point) + (lambda (start) + (let ((inhibit-read-only t)) + (remove-text-properties start (save-excursion + (goto-char start) + (line-end-position)) + (text-properties-at start))))) + (put-text-property + start (if (= (aref string (1- (length string))) ?\n) + ;; Don't hide the final newline. + (1- (point)) + (point)) + 'display (if (char-displayable-p ?…) "[…]" "[...]")))))) + (defsubst compilation-buffer-internal-p () "Test if inside a compilation buffer." (local-variable-p 'compilation-locs)) |