Commit 32e19b2b authored by Stefan Monnier's avatar Stefan Monnier

* lisp/progmodes/compile.el: Use non-nil values for *-function

(compilation-process-setup-function, compilation-buffer-name-function):
Give them non-nil default values.
(compilation-buffer-name): Restructure slightly.
(compilation--default-buffer-name): New function, extracted from it.
Use `name-of-mode` instead of `mode-command` to check if the current
buffer is already in the appropriate mode.
parent 3062f81d
Pipeline #1147 failed with stage
in 44 minutes and 44 seconds
......@@ -77,7 +77,7 @@ If this is buffer-local in the destination buffer, Emacs obeys
that value, otherwise it uses the value in the *compilation*
buffer. This enables a major-mode to specify its own value.")
(defvar compilation-parse-errors-filename-function nil
(defvar compilation-parse-errors-filename-function #'identity
"Function to call to post-process filenames while parsing error messages.
It takes one arg FILENAME which is the name of a file as found
in the compilation output, and should return a transformed file name
......@@ -86,18 +86,18 @@ or a buffer, the one which was compiled.")
;; match data.
(defvar compilation-process-setup-function nil
(defvar compilation-process-setup-function #'ignore
"Function to call to customize the compilation process.
This function is called immediately before the compilation process is
started. It can be used to set any variables or functions that are used
while processing the output of the compilation process.")
(defvar compilation-buffer-name-function nil
(defvar compilation-buffer-name-function #'compilation--default-buffer-name
"Function to compute the name of a compilation buffer.
The function receives one argument, the name of the major mode of the
compilation buffer. It should return a string.
If nil, compute the name with `(concat \"*\" (downcase major-mode) \"*\")'.")
By default, it returns `(concat \"*\" (downcase name-of-mode) \"*\")'.")
(defvar compilation-finish-functions nil
......@@ -721,8 +721,9 @@ This only affects platforms that support asynchronous processes (see
Then every error line will have a debug text property with the matcher that
fit this line and the match data. Use `describe-text-properties'.")
(defvar compilation-exit-message-function nil "\
If non-nil, called when a compilation process dies to return a status message.
(defvar compilation-exit-message-function
(lambda (_process-status exit-status msg) (cons msg exit-status))
"If non-nil, called when a compilation process dies to return a status message.
This should be a function of three arguments: process status, exit status,
and exit message; it returns a cons (MESSAGE . MODELINE) of the strings to
write into the compilation buffer, and to put in its mode line.")
......@@ -1562,19 +1563,22 @@ point on its location in the *compilation* buffer."
:version "20.3")
(defun compilation-buffer-name (name-of-mode mode-command name-function)
(defun compilation-buffer-name (name-of-mode _mode-command name-function)
"Return the name of a compilation buffer to use.
If NAME-FUNCTION is non-nil, call it with one argument NAME-OF-MODE
to determine the buffer name.
Likewise if `compilation-buffer-name-function' is non-nil.
If current buffer has the major mode MODE-COMMAND,
If current buffer has the NAME-OF-MODE major mode,
return the name of the current buffer, so that it gets reused.
Otherwise, construct a buffer name from NAME-OF-MODE."
(cond (name-function
(funcall name-function name-of-mode))
(funcall compilation-buffer-name-function name-of-mode))
((eq mode-command major-mode)
(funcall (or name-function
(defun compilation--default-buffer-name (name-of-mode)
(cond ((or (eq major-mode (intern-soft name-of-mode))
(eq major-mode (intern-soft (concat name-of-mode "-mode"))))
(concat "*" (downcase name-of-mode) "*"))))
......@@ -2778,7 +2782,8 @@ TRUE-DIRNAME is the `file-truename' of DIRNAME, if given."
;; If compilation-parse-errors-filename-function is
;; defined, use it to process the filename. The result might be a
;; buffer.
(when compilation-parse-errors-filename-function
(unless (memq compilation-parse-errors-filename-function
'(nil identity))
(setq filename
(funcall compilation-parse-errors-filename-function
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