diff options
Diffstat (limited to 'emacs/guix-backend.el')
| -rw-r--r-- | emacs/guix-backend.el | 47 |
1 files changed, 38 insertions, 9 deletions
diff --git a/emacs/guix-backend.el b/emacs/guix-backend.el index 46d0f06778..0ca9083434 100644 --- a/emacs/guix-backend.el +++ b/emacs/guix-backend.el @@ -121,6 +121,22 @@ This REPL is used for receiving information only if (defvar guix-internal-repl-buffer-name "*Guix Internal REPL*" "Default name of an internal Guix REPL buffer.") +(defvar guix-before-repl-operation-hook nil + "Hook run before executing an operation in Guix REPL.") + +(defvar guix-after-repl-operation-hook + '(guix-repl-operation-success-message) + "Hook run after executing successful operation in Guix REPL.") + +(defvar guix-repl-operation-p nil + "Non-nil, if current operation is performed by `guix-eval-in-repl'. +This internal variable is used to distinguish Guix operations +from operations performed in Guix REPL by a user.") + +(defun guix-repl-operation-success-message () + "Message telling about successful Guix operation." + (message "Guix operation has been performed.")) + (defun guix-get-guile-program (&optional internal) "Return a value suitable for `geiser-guile-binary'." (if (or internal @@ -184,12 +200,9 @@ this address (it should be defined by (geiser-impl--set-buffer-implementation impl) (geiser-repl--autodoc-mode -1) (goto-char (point-max)) - (let* ((prompt-re (geiser-repl--prompt-regexp impl)) - (deb-prompt-re (geiser-repl--debugger-prompt-regexp impl)) - (prompt (geiser-con--combined-prompt prompt-re deb-prompt-re))) - (or prompt-re - (error "Oh no! Guix REPL in the buffer '%s' has not been started" - (buffer-name buffer))) + (let ((prompt (geiser-con--combined-prompt + geiser-guile--prompt-regexp + geiser-guile--debugger-prompt-regexp))) (geiser-repl--save-remote-data address) (geiser-repl--start-scheme impl address prompt) (geiser-repl--quit-setup) @@ -199,18 +212,32 @@ this address (it should be defined by (setq geiser-repl--connection (geiser-con--make-connection (get-buffer-process (current-buffer)) - prompt-re - deb-prompt-re)) + geiser-guile--prompt-regexp + geiser-guile--debugger-prompt-regexp)) (geiser-repl--startup impl address) (geiser-repl--autodoc-mode 1) (geiser-company--setup geiser-repl-company-p) (add-hook 'comint-output-filter-functions - 'geiser-repl--output-filter + 'guix-repl-output-filter nil t) (set-process-query-on-exit-flag (get-buffer-process (current-buffer)) geiser-repl-query-on-kill-p))))) +(defun guix-repl-output-filter (str) + "Filter function suitable for `comint-output-filter-functions'. +This is a replacement for `geiser-repl--output-filter'." + (cond + ((string-match-p geiser-guile--prompt-regexp str) + (geiser-autodoc--disinhibit-autodoc) + (when guix-repl-operation-p + (setq guix-repl-operation-p nil) + (run-hooks 'guix-after-repl-operation-hook))) + ((string-match geiser-guile--debugger-prompt-regexp str) + (geiser-con--connection-set-debugging geiser-repl--connection + (match-beginning 0)) + (geiser-autodoc--disinhibit-autodoc)))) + (defun guix-get-repl-buffer (&optional internal) "Return Guix REPL buffer; start REPL if needed. If INTERNAL is non-nil, return an additional internal REPL." @@ -288,6 +315,8 @@ Return elisp expression of the first result value of evaluation." (defun guix-eval-in-repl (str) "Switch to Guix REPL and evaluate STR with guile expression there." + (run-hooks 'guix-before-repl-operation-hook) + (setq guix-repl-operation-p t) (let ((repl (guix-get-repl-buffer))) (with-current-buffer repl (delete-region (geiser-repl--last-prompt-end) (point-max)) |