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| author | Alex Kost <alezost@gmail.com> | 2014-10-20 23:18:13 +0400 |
|---|---|---|
| committer | Alex Kost <alezost@gmail.com> | 2014-10-27 21:52:55 +0300 |
| commit | ce2e4e393849499ecf4c51c78b41a6eed9ff8656 (patch) | |
| tree | ec9958d53b6c8a24e2578bc9c069cfa8fff9d455 /emacs/guix-backend.el | |
| parent | d2b299a91f3be283df1264afe62770ab2783ace9 (diff) | |
| download | patches-ce2e4e393849499ecf4c51c78b41a6eed9ff8656.tar patches-ce2e4e393849499ecf4c51c78b41a6eed9ff8656.tar.gz | |
emacs: Introduce REPL operation type.
* emacs/guix-backend.el (guix-repl-operation-type): New variable.
(guix-repl-output-filter): Run type hooks after performing an operation.
(guix-eval-read): Add 'operation-type' argument.
Diffstat (limited to 'emacs/guix-backend.el')
| -rw-r--r-- | emacs/guix-backend.el | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/emacs/guix-backend.el b/emacs/guix-backend.el index d37d9d4b67..93d0ed1c96 100644 --- a/emacs/guix-backend.el +++ b/emacs/guix-backend.el @@ -133,6 +133,12 @@ This REPL is used for receiving information only if This internal variable is used to distinguish Guix operations from operations performed in Guix REPL by a user.") +(defvar guix-repl-operation-type nil + "Type of the current operation performed by `guix-eval-in-repl'. +This internal variable is used to define what actions should be +executed after the current operation succeeds. +See `guix-eval-in-repl' for details.") + (defun guix-repl-operation-success-message () "Message telling about successful Guix operation." (message "Guix operation has been performed.")) @@ -232,7 +238,16 @@ This is a replacement for `geiser-repl--output-filter'." (geiser-autodoc--disinhibit-autodoc) (when guix-repl-operation-p (setq guix-repl-operation-p nil) - (run-hooks 'guix-after-repl-operation-hook))) + (run-hooks 'guix-after-repl-operation-hook) + ;; Run hooks specific to the current operation type. + (when guix-repl-operation-type + (let ((type-hook (intern + (concat "guix-after-" + (symbol-name guix-repl-operation-type) + "-hook")))) + (setq guix-repl-operation-type nil) + (and (boundp type-hook) + (run-hooks type-hook)))))) ((string-match geiser-guile--debugger-prompt-regexp str) (setq guix-repl-operation-p nil) (geiser-con--connection-set-debugging geiser-repl--connection @@ -317,12 +332,17 @@ Return elisp expression of the first result value of evaluation." (replace-regexp-in-string "#t" "t" (car (guix-eval str wrap)))))) -(defun guix-eval-in-repl (str &optional operation-buffer) +(defun guix-eval-in-repl (str &optional operation-buffer operation-type) "Switch to Guix REPL and evaluate STR with guile expression there. If OPERATION-BUFFER is non-nil, it should be a buffer from which -the current operation was performed." +the current operation was performed. + +If OPERATION-TYPE is non-nil, it should be a symbol. After +successful executing of the current operation, +`guix-after-OPERATION-TYPE-hook' is called." (run-hooks 'guix-before-repl-operation-hook) (setq guix-repl-operation-p t + guix-repl-operation-type operation-type guix-operation-buffer operation-buffer) (let ((repl (guix-get-repl-buffer))) (with-current-buffer repl |