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lisp/ob-comint.el: Refactor `org-babel-comint-with-output' 

* lisp/ob-comint.el (org-babel-comint-with-output): Replace logic for
prompt and echo filtering with `org-babel-comint--prompt-filter' and
`org-babel-comint--echo-filter'.  Delete
`org-babel-comint-prompt-separator' variable and move related comment
to `org-babel-comint--prompt-filter'.
This commit is contained in:
Matthew Trzcinski 2024-03-17 18:24:43 +01:00
parent 3776eba2f7
commit 574e04d119
1 changed files with 9 additions and 30 deletions
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39
lisp/ob-comint.el
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@ -79,6 +79,9 @@ This is useful when prompt unexpectedly changes."
PROMPT-REGEXP defaults to `comint-prompt-regexp'."
(let* ((prompt-regexp (or prompt-regexp comint-prompt-regexp))
;; We need newline in case if we do progressive replacement
;; of agglomerated comint prompts with `comint-prompt-regexp'
;; containing ^.
(separator "org-babel-comint--prompt-filter-separator\n"))
(while (string-match-p prompt-regexp string)
(setq string
@ -112,12 +115,7 @@ or user `keyboard-quit' during execution of body."
(let ((buffer (nth 0 meta))
(eoe-indicator (nth 1 meta))
(remove-echo (nth 2 meta))
(full-body (nth 3 meta))
(org-babel-comint-prompt-separator
;; We need newline in case if we do progressive replacement
;; of agglomerated comint prompts with `comint-prompt-regexp'
;; containing ^.
"org-babel-comint-prompt-separator\n"))
(full-body (nth 3 meta)))
`(org-babel-comint-in-buffer ,buffer
(let* ((string-buffer "")
(comint-output-filter-functions
@ -161,31 +159,12 @@ or user `keyboard-quit' during execution of body."
(goto-char (process-mark (get-buffer-process (current-buffer))))
(insert dangling-text)
;; Filter out prompts.
(while (string-match-p comint-prompt-regexp string-buffer)
(setq string-buffer
(replace-regexp-in-string
;; Sometimes, we get multiple agglomerated
;; prompts together in a single output:
;; "prompt prompt prompt output"
;; Or even "<whitespace>prompt<whitespace>prompt ...>.
;; Remove them progressively, so that
;; possible "^" in the prompt regexp gets to
;; work as we remove the heading prompt
;; instance.
(format "\\(?:%s\\)?\\(?:%s\\)[ \t]*" ,org-babel-comint-prompt-separator comint-prompt-regexp)
,org-babel-comint-prompt-separator
string-buffer)))
;; remove echo'd FULL-BODY from input
(when (and ,remove-echo ,full-body
(string-match
(replace-regexp-in-string
"\n" "[\r\n]+" (regexp-quote (or ,full-body "")))
string-buffer))
(setq string-buffer (substring string-buffer (match-end 0))))
(delete "" (split-string
string-buffer
,org-babel-comint-prompt-separator))))))
(and ,remove-echo ,full-body
(setq string-buffer (org-babel-comint--echo-filter string-buffer ,full-body)))
;; Filter out prompts.
(org-babel-comint--prompt-filter string-buffer)))))
(defun org-babel-comint-input-command (buffer cmd)
"Pass CMD to BUFFER.