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emacs/lisp/progmodes/flymake.el
Daniel Colascione 0b87142f24 Fix flymake in narrowed buffers
2014-02-13 14:37:29 -08:00

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;;; flymake.el --- a universal on-the-fly syntax checker -*- lexical-binding: t; -*-
;; Copyright (C) 2003-2014 Free Software Foundation, Inc.
;; Author: Pavel Kobyakov <pk_at_work@yahoo.com>
;; Maintainer: Leo Liu <sdl.web@gmail.com>
;; Version: 0.3
;; Keywords: c languages tools
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;; Flymake is a minor Emacs mode performing on-the-fly syntax checks
;; using the external syntax check tool (for C/C++ this is usually the
;; compiler).
;;; Bugs/todo:
;; - Only uses "Makefile", not "makefile" or "GNUmakefile"
;; (from http://bugs.debian.org/337339).
;;; Code:
(eval-when-compile (require 'cl-lib))
(defgroup flymake nil
"Universal on-the-fly syntax checker."
:version "23.1"
:link '(custom-manual "(flymake) Top")
:group 'tools)
(defcustom flymake-error-bitmap '(exclamation-mark error)
"Bitmap (a symbol) used in the fringe for indicating errors.
The value may also be a list of two elements where the second
element specifies the face for the bitmap. For possible bitmap
symbols, see `fringe-bitmaps'. See also `flymake-warning-bitmap'.
The option `flymake-fringe-indicator-position' controls how and where
this is used."
:group 'flymake
:version "24.3"
:type '(choice (symbol :tag "Bitmap")
(list :tag "Bitmap and face"
(symbol :tag "Bitmap")
(face :tag "Face"))))
(defcustom flymake-warning-bitmap 'question-mark
"Bitmap (a symbol) used in the fringe for indicating warnings.
The value may also be a list of two elements where the second
element specifies the face for the bitmap. For possible bitmap
symbols, see `fringe-bitmaps'. See also `flymake-error-bitmap'.
The option `flymake-fringe-indicator-position' controls how and where
this is used."
:group 'flymake
:version "24.3"
:type '(choice (symbol :tag "Bitmap")
(list :tag "Bitmap and face"
(symbol :tag "Bitmap")
(face :tag "Face"))))
(defcustom flymake-fringe-indicator-position 'left-fringe
"The position to put flymake fringe indicator.
The value can be nil (do not use indicators), `left-fringe' or `right-fringe'.
See `flymake-error-bitmap' and `flymake-warning-bitmap'."
:group 'flymake
:version "24.3"
:type '(choice (const left-fringe)
(const right-fringe)
(const :tag "No fringe indicators" nil)))
(defcustom flymake-compilation-prevents-syntax-check t
"If non-nil, don't start syntax check if compilation is running."
:group 'flymake
:type 'boolean)
(defcustom flymake-start-syntax-check-on-newline t
"Start syntax check if newline char was added/removed from the buffer."
:group 'flymake
:type 'boolean)
(defcustom flymake-no-changes-timeout 0.5
"Time to wait after last change before starting compilation."
:group 'flymake
:type 'number)
(defcustom flymake-gui-warnings-enabled t
"Enables/disables GUI warnings."
:group 'flymake
:type 'boolean)
(defcustom flymake-start-syntax-check-on-find-file t
"Start syntax check on find file."
:group 'flymake
:type 'boolean)
(defcustom flymake-log-level -1
"Logging level, only messages with level lower or equal will be logged.
-1 = NONE, 0 = ERROR, 1 = WARNING, 2 = INFO, 3 = DEBUG"
:group 'flymake
:type 'integer)
(defcustom flymake-xml-program
(if (executable-find "xmlstarlet") "xmlstarlet" "xml")
"Program to use for XML validation."
:type 'file
:group 'flymake
:version "24.4")
(defcustom flymake-master-file-dirs '("." "./src" "./UnitTest")
"Dirs where to look for master files."
:group 'flymake
:type '(repeat (string)))
(defcustom flymake-master-file-count-limit 32
"Max number of master files to check."
:group 'flymake
:type 'integer)
(defcustom flymake-allowed-file-name-masks
'(("\\.\\(?:c\\(?:pp\\|xx\\|\\+\\+\\)?\\|CC\\)\\'" flymake-simple-make-init)
("\\.xml\\'" flymake-xml-init)
("\\.html?\\'" flymake-xml-init)
("\\.cs\\'" flymake-simple-make-init)
("\\.p[ml]\\'" flymake-perl-init)
("\\.php[345]?\\'" flymake-php-init)
("\\.h\\'" flymake-master-make-header-init flymake-master-cleanup)
("\\.java\\'" flymake-simple-make-java-init flymake-simple-java-cleanup)
("[0-9]+\\.tex\\'" flymake-master-tex-init flymake-master-cleanup)
("\\.tex\\'" flymake-simple-tex-init)
("\\.idl\\'" flymake-simple-make-init)
;; ("\\.cpp\\'" 1)
;; ("\\.java\\'" 3)
;; ("\\.h\\'" 2 ("\\.cpp\\'" "\\.c\\'")
;; ("[ \t]*#[ \t]*include[ \t]*\"\\([\w0-9/\\_\.]*[/\\]*\\)\\(%s\\)\"" 1 2))
;; ("\\.idl\\'" 1)
;; ("\\.odl\\'" 1)
;; ("[0-9]+\\.tex\\'" 2 ("\\.tex\\'")
;; ("[ \t]*\\input[ \t]*{\\(.*\\)\\(%s\\)}" 1 2 ))
;; ("\\.tex\\'" 1)
)
"Files syntax checking is allowed for.
This is an alist with elements of the form:
REGEXP INIT [CLEANUP [NAME]]
REGEXP is a regular expression that matches a file name.
INIT is the init function to use.
CLEANUP is the cleanup function to use, default `flymake-simple-cleanup'.
NAME is the file name function to use, default `flymake-get-real-file-name'."
:group 'flymake
:type '(alist :key-type (regexp :tag "File regexp")
:value-type
(list :tag "Handler functions"
(function :tag "Init function")
(choice :tag "Cleanup function"
(const :tag "flymake-simple-cleanup" nil)
function)
(choice :tag "Name function"
(const :tag "flymake-get-real-file-name" nil)
function))))
(defvar-local flymake-is-running nil
"If t, flymake syntax check process is running for the current buffer.")
(defvar-local flymake-timer nil
"Timer for starting syntax check.")
(defvar-local flymake-last-change-time nil
"Time of last buffer change.")
(defvar-local flymake-check-start-time nil
"Time at which syntax check was started.")
(defvar-local flymake-check-was-interrupted nil
"Non-nil if syntax check was killed by `flymake-compile'.")
(defvar-local flymake-err-info nil
"Sorted list of line numbers and lists of err info in the form (file, err-text).")
(defvar-local flymake-new-err-info nil
"Same as `flymake-err-info', effective when a syntax check is in progress.")
(defun flymake-log (level text &rest args)
"Log a message at level LEVEL.
If LEVEL is higher than `flymake-log-level', the message is
ignored. Otherwise, it is printed using `message'.
TEXT is a format control string, and the remaining arguments ARGS
are the string substitutions (see the function `format')."
(if (<= level flymake-log-level)
(let* ((msg (apply 'format text args)))
(message "%s" msg))))
(defun flymake-ins-after (list pos val)
"Insert VAL into LIST after position POS.
POS counts from zero."
(let ((tmp (copy-sequence list)))
(setcdr (nthcdr pos tmp) (cons val (nthcdr (1+ pos) tmp)))
tmp))
(defun flymake-set-at (list pos val)
"Set VAL at position POS in LIST.
POS counts from zero."
(let ((tmp (copy-sequence list)))
(setcar (nthcdr pos tmp) val)
tmp))
(defvar flymake-processes nil
"List of currently active flymake processes.")
(defvar-local flymake-output-residual nil)
(defun flymake-get-file-name-mode-and-masks (file-name)
"Return the corresponding entry from `flymake-allowed-file-name-masks'."
(unless (stringp file-name)
(error "Invalid file-name"))
(let ((fnm flymake-allowed-file-name-masks)
(mode-and-masks nil))
(while (and (not mode-and-masks) fnm)
(if (string-match (car (car fnm)) file-name)
(setq mode-and-masks (cdr (car fnm))))
(setq fnm (cdr fnm)))
(flymake-log 3 "file %s, init=%s" file-name (car mode-and-masks))
mode-and-masks))
(defun flymake-can-syntax-check-file (file-name)
"Determine whether we can syntax check FILE-NAME.
Return nil if we cannot, non-nil if we can."
(if (flymake-get-init-function file-name) t nil))
(defun flymake-get-init-function (file-name)
"Return init function to be used for the file."
(let* ((init-f (nth 0 (flymake-get-file-name-mode-and-masks file-name))))
;;(flymake-log 0 "calling %s" init-f)
;;(funcall init-f (current-buffer))
init-f))
(defun flymake-get-cleanup-function (file-name)
"Return cleanup function to be used for the file."
(or (nth 1 (flymake-get-file-name-mode-and-masks file-name))
'flymake-simple-cleanup))
(defun flymake-get-real-file-name-function (file-name)
(or (nth 2 (flymake-get-file-name-mode-and-masks file-name))
'flymake-get-real-file-name))
(defvar flymake-find-buildfile-cache (make-hash-table :test #'equal))
(defun flymake-get-buildfile-from-cache (dir-name)
"Look up DIR-NAME in cache and return its associated value.
If DIR-NAME is not found, return nil."
(gethash dir-name flymake-find-buildfile-cache))
(defun flymake-add-buildfile-to-cache (dir-name buildfile)
"Associate DIR-NAME with BUILDFILE in the buildfile cache."
(puthash dir-name buildfile flymake-find-buildfile-cache))
(defun flymake-clear-buildfile-cache ()
"Clear the buildfile cache."
(clrhash flymake-find-buildfile-cache))
(defun flymake-find-buildfile (buildfile-name source-dir-name)
"Find buildfile starting from current directory.
Buildfile includes Makefile, build.xml etc.
Return its file name if found, or nil if not found."
(or (flymake-get-buildfile-from-cache source-dir-name)
(let* ((file (locate-dominating-file source-dir-name buildfile-name)))
(if file
(progn
(flymake-log 3 "found buildfile at %s" file)
(flymake-add-buildfile-to-cache source-dir-name file)
file)
(progn
(flymake-log 3 "buildfile for %s not found" source-dir-name)
nil)))))
(defun flymake-fix-file-name (name)
"Replace all occurrences of '\' with '/'."
(when name
(setq name (expand-file-name name))
(setq name (abbreviate-file-name name))
(setq name (directory-file-name name))
name))
(defun flymake-same-files (file-name-one file-name-two)
"Check if FILE-NAME-ONE and FILE-NAME-TWO point to same file.
Return t if so, nil if not."
(equal (flymake-fix-file-name file-name-one)
(flymake-fix-file-name file-name-two)))
;; This is bound dynamically to pass a parameter to a sort predicate below
(defvar flymake-included-file-name)
(defun flymake-find-possible-master-files (file-name master-file-dirs masks)
"Find (by name and location) all possible master files.
Name is specified by FILE-NAME and location is specified by
MASTER-FILE-DIRS. Master files include .cpp and .c for .h.
Files are searched for starting from the .h directory and max
max-level parent dirs. File contents are not checked."
(let* ((dirs master-file-dirs)
(files nil)
(done nil))
(while (and (not done) dirs)
(let* ((dir (expand-file-name (car dirs) (file-name-directory file-name)))
(masks masks))
(while (and (file-exists-p dir) (not done) masks)
(let* ((mask (car masks))
(dir-files (directory-files dir t mask)))
(flymake-log 3 "dir %s, %d file(s) for mask %s"
dir (length dir-files) mask)
(while (and (not done) dir-files)
(when (not (file-directory-p (car dir-files)))
(setq files (cons (car dir-files) files))
(when (>= (length files) flymake-master-file-count-limit)
(flymake-log 3 "master file count limit (%d) reached" flymake-master-file-count-limit)
(setq done t)))
(setq dir-files (cdr dir-files))))
(setq masks (cdr masks))))
(setq dirs (cdr dirs)))
(when files
(let ((flymake-included-file-name (file-name-nondirectory file-name)))
(setq files (sort files 'flymake-master-file-compare))))
(flymake-log 3 "found %d possible master file(s)" (length files))
files))
(defun flymake-master-file-compare (file-one file-two)
"Compare two files specified by FILE-ONE and FILE-TWO.
This function is used in sort to move most possible file names
to the beginning of the list (File.h -> File.cpp moved to top)."
(and (equal (file-name-sans-extension flymake-included-file-name)
(file-name-base file-one))
(not (equal file-one file-two))))
(defvar flymake-check-file-limit 8192
"Maximum number of chars to look at when checking possible master file.
Nil means search the entire file.")
(defun flymake-check-patch-master-file-buffer
(master-file-temp-buffer
master-file-name patched-master-file-name
source-file-name patched-source-file-name
include-dirs regexp)
"Check if MASTER-FILE-NAME is a master file for SOURCE-FILE-NAME.
If yes, patch a copy of MASTER-FILE-NAME to include PATCHED-SOURCE-FILE-NAME
instead of SOURCE-FILE-NAME.
For example, foo.cpp is a master file if it includes foo.h.
Whether a buffer for MATER-FILE-NAME exists, use it as a source
instead of reading master file from disk."
(let* ((source-file-nondir (file-name-nondirectory source-file-name))
(source-file-extension (file-name-extension source-file-nondir))
(source-file-nonext (file-name-sans-extension source-file-nondir))
(found nil)
(inc-name nil)
(search-limit flymake-check-file-limit))
(setq regexp
(format regexp ; "[ \t]*#[ \t]*include[ \t]*\"\\(.*%s\\)\""
;; Hack for tex files, where \include often excludes .tex.
;; Maybe this is safe generally.
(if (and (> (length source-file-extension) 1)
(string-equal source-file-extension "tex"))
(format "%s\\(?:\\.%s\\)?"
(regexp-quote source-file-nonext)
(regexp-quote source-file-extension))
(regexp-quote source-file-nondir))))
(unwind-protect
(with-current-buffer master-file-temp-buffer
(if (or (not search-limit)
(> search-limit (point-max)))
(setq search-limit (point-max)))
(flymake-log 3 "checking %s against regexp %s"
master-file-name regexp)
(goto-char (point-min))
(while (and (< (point) search-limit)
(re-search-forward regexp search-limit t))
(let ((match-beg (match-beginning 1))
(match-end (match-end 1)))
(flymake-log 3 "found possible match for %s" source-file-nondir)
(setq inc-name (match-string 1))
(and (> (length source-file-extension) 1)
(string-equal source-file-extension "tex")
(not (string-match (format "\\.%s\\'" source-file-extension)
inc-name))
(setq inc-name (concat inc-name "." source-file-extension)))
(when (eq t (compare-strings
source-file-nondir nil nil
inc-name (- (length inc-name)
(length source-file-nondir)) nil))
(flymake-log 3 "inc-name=%s" inc-name)
(when (flymake-check-include source-file-name inc-name
include-dirs)
(setq found t)
;; replace-match is not used here as it fails in
;; XEmacs with 'last match not a buffer' error as
;; check-includes calls replace-in-string
(flymake-replace-region
match-beg match-end
(file-name-nondirectory patched-source-file-name))))
(forward-line 1)))
(when found
(flymake-save-buffer-in-file patched-master-file-name)))
;;+(flymake-log 3 "killing buffer %s"
;; (buffer-name master-file-temp-buffer))
(kill-buffer master-file-temp-buffer))
;;+(flymake-log 3 "check-patch master file %s: %s" master-file-name found)
(when found
(flymake-log 2 "found master file %s" master-file-name))
found))
;;; XXX: remove
(defun flymake-replace-region (beg end rep)
"Replace text in BUFFER in region (BEG END) with REP."
(save-excursion
(goto-char end)
;; Insert before deleting, so as to better preserve markers's positions.
(insert rep)
(delete-region beg end)))
(defun flymake-read-file-to-temp-buffer (file-name)
"Insert contents of FILE-NAME into newly created temp buffer."
(let* ((temp-buffer (get-buffer-create (generate-new-buffer-name (concat "flymake:" (file-name-nondirectory file-name))))))
(with-current-buffer temp-buffer
(insert-file-contents file-name))
temp-buffer))
(defun flymake-copy-buffer-to-temp-buffer (buffer)
"Copy contents of BUFFER into newly created temp buffer."
(with-current-buffer
(get-buffer-create (generate-new-buffer-name
(concat "flymake:" (buffer-name buffer))))
(insert-buffer-substring buffer)
(current-buffer)))
(defun flymake-check-include (source-file-name inc-name include-dirs)
"Check if SOURCE-FILE-NAME can be found in include path.
Return t if it can be found via include path using INC-NAME."
(if (file-name-absolute-p inc-name)
(flymake-same-files source-file-name inc-name)
(while (and include-dirs
(not (flymake-same-files
source-file-name
(concat (file-name-directory source-file-name)
"/" (car include-dirs)
"/" inc-name))))
(setq include-dirs (cdr include-dirs)))
include-dirs))
(defun flymake-find-buffer-for-file (file-name)
"Check if there exists a buffer visiting FILE-NAME.
Return t if so, nil if not."
(let ((buffer-name (get-file-buffer file-name)))
(if buffer-name
(get-buffer buffer-name))))
(defun flymake-create-master-file (source-file-name patched-source-file-name get-incl-dirs-f create-temp-f masks include-regexp)
"Save SOURCE-FILE-NAME with a different name.
Find master file, patch and save it."
(let* ((possible-master-files (flymake-find-possible-master-files source-file-name flymake-master-file-dirs masks))
(master-file-count (length possible-master-files))
(idx 0)
(temp-buffer nil)
(master-file-name nil)
(patched-master-file-name nil)
(found nil))
(while (and (not found) (< idx master-file-count))
(setq master-file-name (nth idx possible-master-files))
(setq patched-master-file-name (funcall create-temp-f master-file-name "flymake_master"))
(if (flymake-find-buffer-for-file master-file-name)
(setq temp-buffer (flymake-copy-buffer-to-temp-buffer (flymake-find-buffer-for-file master-file-name)))
(setq temp-buffer (flymake-read-file-to-temp-buffer master-file-name)))
(setq found
(flymake-check-patch-master-file-buffer
temp-buffer
master-file-name
patched-master-file-name
source-file-name
patched-source-file-name
(funcall get-incl-dirs-f (file-name-directory master-file-name))
include-regexp))
(setq idx (1+ idx)))
(if found
(list master-file-name patched-master-file-name)
(progn
(flymake-log 3 "none of %d master file(s) checked includes %s" master-file-count
(file-name-nondirectory source-file-name))
nil))))
(defun flymake-save-buffer-in-file (file-name)
"Save the entire buffer contents into file FILE-NAME.
Create parent directories as needed."
(make-directory (file-name-directory file-name) 1)
(write-region nil nil file-name nil 566)
(flymake-log 3 "saved buffer %s in file %s" (buffer-name) file-name))
(defun flymake-process-filter (process output)
"Parse OUTPUT and highlight error lines.
It's flymake process filter."
(let ((source-buffer (process-buffer process)))
(flymake-log 3 "received %d byte(s) of output from process %d"
(length output) (process-id process))
(when (buffer-live-p source-buffer)
(with-current-buffer source-buffer
(flymake-parse-output-and-residual output)))))
(defun flymake-process-sentinel (process _event)
"Sentinel for syntax check buffers."
(when (memq (process-status process) '(signal exit))
(let* ((exit-status (process-exit-status process))
(command (process-command process))
(source-buffer (process-buffer process))
(cleanup-f (flymake-get-cleanup-function (buffer-file-name source-buffer))))
(flymake-log 2 "process %d exited with code %d"
(process-id process) exit-status)
(condition-case err
(progn
(flymake-log 3 "cleaning up using %s" cleanup-f)
(when (buffer-live-p source-buffer)
(with-current-buffer source-buffer
(funcall cleanup-f)))
(delete-process process)
(setq flymake-processes (delq process flymake-processes))
(when (buffer-live-p source-buffer)
(with-current-buffer source-buffer
(flymake-parse-residual)
(flymake-post-syntax-check exit-status command)
(setq flymake-is-running nil))))
(error
(let ((err-str (format "Error in process sentinel for buffer %s: %s"
source-buffer (error-message-string err))))
(flymake-log 0 err-str)
(with-current-buffer source-buffer
(setq flymake-is-running nil))))))))
(defun flymake-post-syntax-check (exit-status command)
(save-restriction
(widen)
(setq flymake-err-info flymake-new-err-info)
(setq flymake-new-err-info nil)
(setq flymake-err-info
(flymake-fix-line-numbers
flymake-err-info 1 (count-lines (point-min) (point-max))))
(flymake-delete-own-overlays)
(flymake-highlight-err-lines flymake-err-info)
(let (err-count warn-count)
(setq err-count (flymake-get-err-count flymake-err-info "e"))
(setq warn-count (flymake-get-err-count flymake-err-info "w"))
(flymake-log 2 "%s: %d error(s), %d warning(s) in %.2f second(s)"
(buffer-name) err-count warn-count
(- (float-time) flymake-check-start-time))
(setq flymake-check-start-time nil)
(if (and (equal 0 err-count) (equal 0 warn-count))
(if (equal 0 exit-status)
(flymake-report-status "" "") ; PASSED
(if (not flymake-check-was-interrupted)
(flymake-report-fatal-status "CFGERR"
(format "Configuration error has occurred while running %s" command))
(flymake-report-status nil ""))) ; "STOPPED"
(flymake-report-status (format "%d/%d" err-count warn-count) "")))))
(defun flymake-parse-output-and-residual (output)
"Split OUTPUT into lines, merge in residual if necessary."
(let* ((buffer-residual flymake-output-residual)
(total-output (if buffer-residual (concat buffer-residual output) output))
(lines-and-residual (flymake-split-output total-output))
(lines (nth 0 lines-and-residual))
(new-residual (nth 1 lines-and-residual)))
(setq flymake-output-residual new-residual)
(setq flymake-new-err-info
(flymake-parse-err-lines
flymake-new-err-info lines))))
(defun flymake-parse-residual ()
"Parse residual if it's non empty."
(when flymake-output-residual
(setq flymake-new-err-info
(flymake-parse-err-lines
flymake-new-err-info
(list flymake-output-residual)))
(setq flymake-output-residual nil)))
(defun flymake-er-make-er (line-no line-err-info-list)
(list line-no line-err-info-list))
(defun flymake-er-get-line (err-info)
(nth 0 err-info))
(defun flymake-er-get-line-err-info-list (err-info)
(nth 1 err-info))
(cl-defstruct (flymake-ler
(:constructor nil)
(:constructor flymake-ler-make-ler (file line type text &optional full-file)))
file line type text full-file)
(defun flymake-ler-set-file (line-err-info file)
(flymake-ler-make-ler file
(flymake-ler-line line-err-info)
(flymake-ler-type line-err-info)
(flymake-ler-text line-err-info)
(flymake-ler-full-file line-err-info)))
(defun flymake-ler-set-full-file (line-err-info full-file)
(flymake-ler-make-ler (flymake-ler-file line-err-info)
(flymake-ler-line line-err-info)
(flymake-ler-type line-err-info)
(flymake-ler-text line-err-info)
full-file))
(defun flymake-ler-set-line (line-err-info line)
(flymake-ler-make-ler (flymake-ler-file line-err-info)
line
(flymake-ler-type line-err-info)
(flymake-ler-text line-err-info)
(flymake-ler-full-file line-err-info)))
(defun flymake-get-line-err-count (line-err-info-list type)
"Return number of errors of specified TYPE.
Value of TYPE is either \"e\" or \"w\"."
(let* ((idx 0)
(count (length line-err-info-list))
(err-count 0))
(while (< idx count)
(when (equal type (flymake-ler-type (nth idx line-err-info-list)))
(setq err-count (1+ err-count)))
(setq idx (1+ idx)))
err-count))
(defun flymake-get-err-count (err-info-list type)
"Return number of errors of specified TYPE for ERR-INFO-LIST."
(let* ((idx 0)
(count (length err-info-list))
(err-count 0))
(while (< idx count)
(setq err-count (+ err-count (flymake-get-line-err-count (nth 1 (nth idx err-info-list)) type)))
(setq idx (1+ idx)))
err-count))
(defun flymake-fix-line-numbers (err-info-list min-line max-line)
"Replace line numbers with fixed value.
If line-numbers is less than MIN-LINE, set line numbers to MIN-LINE.
If line numbers is greater than MAX-LINE, set line numbers to MAX-LINE.
The reason for this fix is because some compilers might report
line number outside the file being compiled."
(let* ((count (length err-info-list))
(err-info nil)
(line 0))
(while (> count 0)
(setq err-info (nth (1- count) err-info-list))
(setq line (flymake-er-get-line err-info))
(when (or (< line min-line) (> line max-line))
(setq line (if (< line min-line) min-line max-line))
(setq err-info-list (flymake-set-at err-info-list (1- count)
(flymake-er-make-er line
(flymake-er-get-line-err-info-list err-info)))))
(setq count (1- count))))
err-info-list)
(defun flymake-highlight-err-lines (err-info-list)
"Highlight error lines in BUFFER using info from ERR-INFO-LIST."
(save-excursion
(dolist (err err-info-list)
(flymake-highlight-line (car err) (nth 1 err)))))
(defun flymake-overlay-p (ov)
"Determine whether overlay OV was created by flymake."
(and (overlayp ov) (overlay-get ov 'flymake-overlay)))
(defun flymake-make-overlay (beg end tooltip-text face bitmap)
"Allocate a flymake overlay in range BEG and END."
(when (not (flymake-region-has-flymake-overlays beg end))
(let ((ov (make-overlay beg end nil t))
(fringe (and flymake-fringe-indicator-position
(propertize "!" 'display
(cons flymake-fringe-indicator-position
(if (listp bitmap)
bitmap
(list bitmap)))))))
(overlay-put ov 'face face)
(overlay-put ov 'help-echo tooltip-text)
(overlay-put ov 'flymake-overlay t)
(overlay-put ov 'priority 100)
(overlay-put ov 'evaporate t)
(overlay-put ov 'before-string fringe)
;;+(flymake-log 3 "created overlay %s" ov)
ov)
(flymake-log 3 "created an overlay at (%d-%d)" beg end)))
(defun flymake-delete-own-overlays ()
"Delete all flymake overlays in BUFFER."
(dolist (ol (overlays-in (point-min) (point-max)))
(when (flymake-overlay-p ol)
(delete-overlay ol)
;;+(flymake-log 3 "deleted overlay %s" ol)
)))
(defun flymake-region-has-flymake-overlays (beg end)
"Check if region specified by BEG and END has overlay.
Return t if it has at least one flymake overlay, nil if no overlay."
(let ((ov (overlays-in beg end))
(has-flymake-overlays nil))
(while (consp ov)
(when (flymake-overlay-p (car ov))
(setq has-flymake-overlays t))
(setq ov (cdr ov)))
has-flymake-overlays))
(defface flymake-errline
'((((supports :underline (:style wave)))
:underline (:style wave :color "Red1"))
(t
:inherit error))
"Face used for marking error lines."
:version "24.4"
:group 'flymake)
(defface flymake-warnline
'((((supports :underline (:style wave)))
:underline (:style wave :color "DarkOrange"))
(t
:inherit warning))
"Face used for marking warning lines."
:version "24.4"
:group 'flymake)
(defun flymake-highlight-line (line-no line-err-info-list)
"Highlight line LINE-NO in current buffer.
Perhaps use text from LINE-ERR-INFO-LIST to enhance highlighting."
(goto-char (point-min))
(forward-line (1- line-no))
(pcase-let* ((beg (progn (back-to-indentation) (point)))
(end (progn
(end-of-line)
(skip-chars-backward " \t\f\t\n" beg)
(if (eq (point) beg)
(line-beginning-position 2)
(point))))
(tooltip-text (mapconcat #'flymake-ler-text line-err-info-list "\n"))
(`(,face ,bitmap)
(if (> (flymake-get-line-err-count line-err-info-list "e") 0)
(list 'flymake-errline flymake-error-bitmap)
(list 'flymake-warnline flymake-warning-bitmap))))
(flymake-make-overlay beg end tooltip-text face bitmap)))
(defun flymake-parse-err-lines (err-info-list lines)
"Parse err LINES, store info in ERR-INFO-LIST."
(let* ((count (length lines))
(idx 0)
(line-err-info nil)
(real-file-name nil)
(source-file-name buffer-file-name)
(get-real-file-name-f (flymake-get-real-file-name-function source-file-name)))
(while (< idx count)
(setq line-err-info (flymake-parse-line (nth idx lines)))
(when line-err-info
(setq real-file-name (funcall get-real-file-name-f
(flymake-ler-file line-err-info)))
(setq line-err-info (flymake-ler-set-full-file line-err-info real-file-name))
(when (flymake-same-files real-file-name source-file-name)
(setq line-err-info (flymake-ler-set-file line-err-info nil))
(setq err-info-list (flymake-add-err-info err-info-list line-err-info))))
(flymake-log 3 "parsed '%s', %s line-err-info" (nth idx lines) (if line-err-info "got" "no"))
(setq idx (1+ idx)))
err-info-list))
(defun flymake-split-output (output)
"Split OUTPUT into lines.
Return last one as residual if it does not end with newline char.
Returns ((LINES) RESIDUAL)."
(when (and output (> (length output) 0))
(let* ((lines (split-string output "[\n\r]+" t))
(complete (equal "\n" (char-to-string (aref output (1- (length output))))))
(residual nil))
(when (not complete)
(setq residual (car (last lines)))
(setq lines (butlast lines)))
(list lines residual))))
(defun flymake-reformat-err-line-patterns-from-compile-el (original-list)
"Grab error line patterns from ORIGINAL-LIST in compile.el format.
Convert it to flymake internal format."
(let* ((converted-list '()))
(dolist (item original-list)
(setq item (cdr item))
(let ((regexp (nth 0 item))
(file (nth 1 item))
(line (nth 2 item))
(col (nth 3 item)))
(if (consp file) (setq file (car file)))
(if (consp line) (setq line (car line)))
(if (consp col) (setq col (car col)))
(when (not (functionp line))
(setq converted-list (cons (list regexp file line col) converted-list)))))
converted-list))
(require 'compile)
(defvar flymake-err-line-patterns ; regexp file-idx line-idx col-idx (optional) text-idx(optional), match-end to end of string is error text
(append
'(
;; MS Visual C++ 6.0
("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\)) \: \\(\\(error\\|warning\\|fatal error\\) \\(C[0-9]+\\):[ \t\n]*\\(.+\\)\\)"
1 3 nil 4)
;; jikes
("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)\:\\([0-9]+\\)\:[0-9]+\:[0-9]+\:[0-9]+\: \\(\\(Error\\|Warning\\|Caution\\|Semantic Error\\):[ \t\n]*\\(.+\\)\\)"
1 3 nil 4)
;; MS midl
("midl[ ]*:[ ]*\\(command line error .*\\)"
nil nil nil 1)
;; MS C#
("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\),[0-9]+)\: \\(\\(error\\|warning\\|fatal error\\) \\(CS[0-9]+\\):[ \t\n]*\\(.+\\)\\)"
1 3 nil 4)
;; perl
("\\(.*\\) at \\([^ \n]+\\) line \\([0-9]+\\)[,.\n]" 2 3 nil 1)
;; PHP
("\\(?:Parse\\|Fatal\\) error: \\(.*\\) in \\(.*\\) on line \\([0-9]+\\)" 2 3 nil 1)
;; LaTeX warnings (fileless) ("\\(LaTeX \\(Warning\\|Error\\): .*\\) on input line \\([0-9]+\\)" 20 3 nil 1)
;; ant/javac. Note this also matches gcc warnings!
(" *\\(\\[javac\\] *\\)?\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)\:\\([0-9]+\\)\\(?:\:[0-9]+\\)?\:[ \t\n]*\\(.+\\)"
2 4 nil 5))
;; compilation-error-regexp-alist)
(flymake-reformat-err-line-patterns-from-compile-el compilation-error-regexp-alist-alist))
"Patterns for matching error/warning lines. Each pattern has the form
\(REGEXP FILE-IDX LINE-IDX COL-IDX ERR-TEXT-IDX).
Use `flymake-reformat-err-line-patterns-from-compile-el' to add patterns
from compile.el")
(define-obsolete-variable-alias 'flymake-warning-re 'flymake-warning-predicate "24.4")
(defvar flymake-warning-predicate "^[wW]arning"
"Predicate matching against error text to detect a warning.
Takes a single argument, the error's text and should return non-nil
if it's a warning.
Instead of a function, it can also be a regular expression.")
(defun flymake-parse-line (line)
"Parse LINE to see if it is an error or warning.
Return its components if so, nil otherwise."
(let ((raw-file-name nil)
(line-no 0)
(err-type "e")
(err-text nil)
(patterns flymake-err-line-patterns)
(matched nil))
(while (and patterns (not matched))
(when (string-match (car (car patterns)) line)
(let* ((file-idx (nth 1 (car patterns)))
(line-idx (nth 2 (car patterns))))
(setq raw-file-name (if file-idx (match-string file-idx line) nil))
(setq line-no (if line-idx (string-to-number
(match-string line-idx line)) 0))
(setq err-text (if (> (length (car patterns)) 4)
(match-string (nth 4 (car patterns)) line)
(flymake-patch-err-text
(substring line (match-end 0)))))
(if (null err-text)
(setq err-text "<no error text>")
(when (cond ((stringp flymake-warning-predicate)
(string-match flymake-warning-predicate err-text))
((functionp flymake-warning-predicate)
(funcall flymake-warning-predicate err-text)))
(setq err-type "w")))
(flymake-log
3 "parse line: file-idx=%s line-idx=%s file=%s line=%s text=%s"
file-idx line-idx raw-file-name line-no err-text)
(setq matched t)))
(setq patterns (cdr patterns)))
(if matched
(flymake-ler-make-ler raw-file-name line-no err-type err-text)
())))
(defun flymake-find-err-info (err-info-list line-no)
"Find (line-err-info-list pos) for specified LINE-NO."
(if err-info-list
(let* ((line-err-info-list nil)
(pos 0)
(count (length err-info-list)))
(while (and (< pos count) (< (car (nth pos err-info-list)) line-no))
(setq pos (1+ pos)))
(when (and (< pos count) (equal (car (nth pos err-info-list)) line-no))
(setq line-err-info-list (flymake-er-get-line-err-info-list (nth pos err-info-list))))
(list line-err-info-list pos))
'(nil 0)))
(defun flymake-line-err-info-is-less-or-equal (line-one line-two)
(or (string< (flymake-ler-type line-one) (flymake-ler-type line-two))
(and (string= (flymake-ler-type line-one) (flymake-ler-type line-two))
(not (flymake-ler-file line-one)) (flymake-ler-file line-two))
(and (string= (flymake-ler-type line-one) (flymake-ler-type line-two))
(or (and (flymake-ler-file line-one) (flymake-ler-file line-two))
(and (not (flymake-ler-file line-one)) (not (flymake-ler-file line-two)))))))
(defun flymake-add-line-err-info (line-err-info-list line-err-info)
"Update LINE-ERR-INFO-LIST with the error LINE-ERR-INFO.
For the format of LINE-ERR-INFO, see `flymake-ler-make-ler'.
The new element is inserted in the proper position, according to
the predicate `flymake-line-err-info-is-less-or-equal'.
The updated value of LINE-ERR-INFO-LIST is returned."
(if (not line-err-info-list)
(list line-err-info)
(let* ((count (length line-err-info-list))
(idx 0))
(while (and (< idx count) (flymake-line-err-info-is-less-or-equal (nth idx line-err-info-list) line-err-info))
(setq idx (1+ idx)))
(cond ((equal 0 idx) (setq line-err-info-list (cons line-err-info line-err-info-list)))
(t (setq line-err-info-list (flymake-ins-after line-err-info-list (1- idx) line-err-info))))
line-err-info-list)))
(defun flymake-add-err-info (err-info-list line-err-info)
"Update ERR-INFO-LIST with the error LINE-ERR-INFO, preserving sort order.
Returns the updated value of ERR-INFO-LIST.
For the format of ERR-INFO-LIST, see `flymake-err-info'.
For the format of LINE-ERR-INFO, see `flymake-ler-make-ler'."
(let* ((line-no (if (flymake-ler-file line-err-info) 1 (flymake-ler-line line-err-info)))
(info-and-pos (flymake-find-err-info err-info-list line-no))
(exists (car info-and-pos))
(pos (nth 1 info-and-pos))
(line-err-info-list nil)
(err-info nil))
(if exists
(setq line-err-info-list (flymake-er-get-line-err-info-list (car (nthcdr pos err-info-list)))))
(setq line-err-info-list (flymake-add-line-err-info line-err-info-list line-err-info))
(setq err-info (flymake-er-make-er line-no line-err-info-list))
(cond (exists (setq err-info-list (flymake-set-at err-info-list pos err-info)))
((equal 0 pos) (setq err-info-list (cons err-info err-info-list)))
(t (setq err-info-list (flymake-ins-after err-info-list (1- pos) err-info))))
err-info-list))
(defun flymake-get-project-include-dirs-imp (basedir)
"Include dirs for the project current file belongs to."
(if (flymake-get-project-include-dirs-from-cache basedir)
(progn
(flymake-get-project-include-dirs-from-cache basedir))
;;else
(let* ((command-line (concat "make -C "
(shell-quote-argument basedir)
" DUMPVARS=INCLUDE_DIRS dumpvars"))
(output (shell-command-to-string command-line))
(lines (split-string output "\n" t))
(count (length lines))
(idx 0)
(inc-dirs nil))
(while (and (< idx count) (not (string-match "^INCLUDE_DIRS=.*" (nth idx lines))))
(setq idx (1+ idx)))
(when (< idx count)
(let* ((inc-lines (split-string (nth idx lines) " *-I" t))
(inc-count (length inc-lines)))
(while (> inc-count 0)
(when (not (string-match "^INCLUDE_DIRS=.*" (nth (1- inc-count) inc-lines)))
(push (replace-regexp-in-string "\"" "" (nth (1- inc-count) inc-lines)) inc-dirs))
(setq inc-count (1- inc-count)))))
(flymake-add-project-include-dirs-to-cache basedir inc-dirs)
inc-dirs)))
(defvar flymake-get-project-include-dirs-function #'flymake-get-project-include-dirs-imp
"Function used to get project include dirs, one parameter: basedir name.")
(defun flymake-get-project-include-dirs (basedir)
(funcall flymake-get-project-include-dirs-function basedir))
(defun flymake-get-system-include-dirs ()
"System include dirs - from the 'INCLUDE' env setting."
(let* ((includes (getenv "INCLUDE")))
(if includes (split-string includes path-separator t) nil)))
(defvar flymake-project-include-dirs-cache (make-hash-table :test #'equal))
(defun flymake-get-project-include-dirs-from-cache (base-dir)
(gethash base-dir flymake-project-include-dirs-cache))
(defun flymake-add-project-include-dirs-to-cache (base-dir include-dirs)
(puthash base-dir include-dirs flymake-project-include-dirs-cache))
(defun flymake-clear-project-include-dirs-cache ()
(clrhash flymake-project-include-dirs-cache))
(defun flymake-get-include-dirs (base-dir)
"Get dirs to use when resolving local file names."
(let* ((include-dirs (append '(".") (flymake-get-project-include-dirs base-dir) (flymake-get-system-include-dirs))))
include-dirs))
;; (defun flymake-restore-formatting ()
;; "Remove any formatting made by flymake."
;; )
;; (defun flymake-get-program-dir (buffer)
;; "Get dir to start program in."
;; (unless (bufferp buffer)
;; (error "Invalid buffer"))
;; (with-current-buffer buffer
;; default-directory))
(defun flymake-safe-delete-file (file-name)
(when (and file-name (file-exists-p file-name))
(delete-file file-name)
(flymake-log 1 "deleted file %s" file-name)))
(defun flymake-safe-delete-directory (dir-name)
(condition-case nil
(progn
(delete-directory dir-name)
(flymake-log 1 "deleted dir %s" dir-name))
(error
(flymake-log 1 "Failed to delete dir %s, error ignored" dir-name))))
(defun flymake-start-syntax-check ()
"Start syntax checking for current buffer."
(interactive)
(flymake-log 3 "flymake is running: %s" flymake-is-running)
(when (and (not flymake-is-running)
(flymake-can-syntax-check-file buffer-file-name))
(when (or (not flymake-compilation-prevents-syntax-check)
(not (flymake-compilation-is-running))) ;+ (flymake-rep-ort-status buffer "COMP")
(flymake-clear-buildfile-cache)
(flymake-clear-project-include-dirs-cache)
(setq flymake-check-was-interrupted nil)
(let* ((source-file-name buffer-file-name)
(init-f (flymake-get-init-function source-file-name))
(cleanup-f (flymake-get-cleanup-function source-file-name))
(cmd-and-args (funcall init-f))
(cmd (nth 0 cmd-and-args))
(args (nth 1 cmd-and-args))
(dir (nth 2 cmd-and-args)))
(if (not cmd-and-args)
(progn
(flymake-log 0 "init function %s for %s failed, cleaning up" init-f source-file-name)
(funcall cleanup-f))
(progn
(setq flymake-last-change-time nil)
(flymake-start-syntax-check-process cmd args dir)))))))
(defun flymake-start-syntax-check-process (cmd args dir)
"Start syntax check process."
(condition-case err
(let* ((process
(let ((default-directory (or dir default-directory)))
(when dir
(flymake-log 3 "starting process on dir %s" dir))
(apply 'start-file-process
"flymake-proc" (current-buffer) cmd args))))
(set-process-sentinel process 'flymake-process-sentinel)
(set-process-filter process 'flymake-process-filter)
(push process flymake-processes)
(setq flymake-is-running t)
(setq flymake-last-change-time nil)
(setq flymake-check-start-time (float-time))
(flymake-report-status nil "*")
(flymake-log 2 "started process %d, command=%s, dir=%s"
(process-id process) (process-command process)
default-directory)
process)
(error
(let* ((err-str (format "Failed to launch syntax check process '%s' with args %s: %s"
cmd args (error-message-string err)))
(source-file-name buffer-file-name)
(cleanup-f (flymake-get-cleanup-function source-file-name)))
(flymake-log 0 err-str)
(funcall cleanup-f)
(flymake-report-fatal-status "PROCERR" err-str)))))
(defun flymake-kill-process (proc)
"Kill process PROC."
(kill-process proc)
(let* ((buf (process-buffer proc)))
(when (buffer-live-p buf)
(with-current-buffer buf
(setq flymake-check-was-interrupted t))))
(flymake-log 1 "killed process %d" (process-id proc)))
(defun flymake-stop-all-syntax-checks ()
"Kill all syntax check processes."
(interactive)
(while flymake-processes
(flymake-kill-process (pop flymake-processes))))
(defun flymake-compilation-is-running ()
(and (boundp 'compilation-in-progress)
compilation-in-progress))
(defun flymake-compile ()
"Kill all flymake syntax checks, start compilation."
(interactive)
(flymake-stop-all-syntax-checks)
(call-interactively 'compile))
(defun flymake-on-timer-event (buffer)
"Start a syntax check for buffer BUFFER if necessary."
(when (buffer-live-p buffer)
(with-current-buffer buffer
(when (and (not flymake-is-running)
flymake-last-change-time
(> (- (float-time) flymake-last-change-time)
flymake-no-changes-timeout))
(setq flymake-last-change-time nil)
(flymake-log 3 "starting syntax check as more than 1 second passed since last change")
(flymake-start-syntax-check)))))
(define-obsolete-function-alias 'flymake-display-err-menu-for-current-line
'flymake-popup-current-error-menu "24.4")
(defun flymake-popup-current-error-menu (&optional event)
"Pop up a menu with errors/warnings for current line."
(interactive (list last-nonmenu-event))
(let* ((line-no (line-number-at-pos))
(errors (or (car (flymake-find-err-info flymake-err-info line-no))
(user-error "No errors for current line")))
(menu (mapcar (lambda (x)
(if (flymake-ler-file x)
(cons (format "%s - %s(%d)"
(flymake-ler-text x)
(flymake-ler-file x)
(flymake-ler-line x))
x)
(list (flymake-ler-text x))))
errors))
(event (if (mouse-event-p event)
event
(list 'mouse-1 (posn-at-point))))
(title (format "Line %d: %d error(s), %d warning(s)"
line-no
(flymake-get-line-err-count errors "e")
(flymake-get-line-err-count errors "w")))
(choice (x-popup-menu event (list title (cons "" menu)))))
(flymake-log 3 "choice=%s" choice)
(when choice
(flymake-goto-file-and-line (flymake-ler-full-file choice)
(flymake-ler-line choice)))))
(defun flymake-goto-file-and-line (file line)
"Try to get buffer for FILE and goto line LINE in it."
(if (not (file-exists-p file))
(flymake-log 1 "File %s does not exist" file)
(find-file file)
(goto-char (point-min))
(forward-line (1- line))))
;; flymake minor mode declarations
(defvar-local flymake-mode-line nil)
(defvar-local flymake-mode-line-e-w nil)
(defvar-local flymake-mode-line-status nil)
(defun flymake-report-status (e-w &optional status)
"Show status in mode line."
(when e-w
(setq flymake-mode-line-e-w e-w))
(when status
(setq flymake-mode-line-status status))
(let* ((mode-line " Flymake"))
(when (> (length flymake-mode-line-e-w) 0)
(setq mode-line (concat mode-line ":" flymake-mode-line-e-w)))
(setq mode-line (concat mode-line flymake-mode-line-status))
(setq flymake-mode-line mode-line)
(force-mode-line-update)))
(defun flymake-display-warning (warning)
"Display a warning to user."
(message-box warning))
(defun flymake-report-fatal-status (status warning)
"Display a warning and switch flymake mode off."
(when flymake-gui-warnings-enabled
(flymake-display-warning (format "Flymake: %s. Flymake will be switched OFF" warning))
)
(flymake-mode 0)
(flymake-log 0 "switched OFF Flymake mode for buffer %s due to fatal status %s, warning %s"
(buffer-name) status warning))
;;;###autoload
(define-minor-mode flymake-mode nil
:group 'flymake :lighter flymake-mode-line
(cond
;; Turning the mode ON.
(flymake-mode
(cond
((not buffer-file-name)
(message "Flymake unable to run without a buffer file name"))
((not (flymake-can-syntax-check-file buffer-file-name))
(flymake-log 2 "flymake cannot check syntax in buffer %s" (buffer-name)))
(t
(add-hook 'after-change-functions 'flymake-after-change-function nil t)
(add-hook 'after-save-hook 'flymake-after-save-hook nil t)
(add-hook 'kill-buffer-hook 'flymake-kill-buffer-hook nil t)
;;+(add-hook 'find-file-hook 'flymake-find-file-hook)
(flymake-report-status "" "")
(setq flymake-timer
(run-at-time nil 1 'flymake-on-timer-event (current-buffer)))
(when (and flymake-start-syntax-check-on-find-file
;; Since we write temp files in current dir, there's no point
;; trying if the directory is read-only (bug#8954).
(file-writable-p (file-name-directory buffer-file-name)))
(with-demoted-errors
(flymake-start-syntax-check))))))
;; Turning the mode OFF.
(t
(remove-hook 'after-change-functions 'flymake-after-change-function t)
(remove-hook 'after-save-hook 'flymake-after-save-hook t)
(remove-hook 'kill-buffer-hook 'flymake-kill-buffer-hook t)
;;+(remove-hook 'find-file-hook (function flymake-find-file-hook) t)
(flymake-delete-own-overlays)
(when flymake-timer
(cancel-timer flymake-timer)
(setq flymake-timer nil))
(setq flymake-is-running nil))))
;;;###autoload
(defun flymake-mode-on ()
"Turn flymake mode on."
(flymake-mode 1)
(flymake-log 1 "flymake mode turned ON for buffer %s" (buffer-name)))
;;;###autoload
(defun flymake-mode-off ()
"Turn flymake mode off."
(flymake-mode 0)
(flymake-log 1 "flymake mode turned OFF for buffer %s" (buffer-name)))
(defun flymake-after-change-function (start stop _len)
"Start syntax check for current buffer if it isn't already running."
;;+(flymake-log 0 "setting change time to %s" (float-time))
(let((new-text (buffer-substring start stop)))
(when (and flymake-start-syntax-check-on-newline (equal new-text "\n"))
(flymake-log 3 "starting syntax check as new-line has been seen")
(flymake-start-syntax-check))
(setq flymake-last-change-time (float-time))))
(defun flymake-after-save-hook ()
(if (local-variable-p 'flymake-mode (current-buffer)) ; (???) other way to determine whether flymake is active in buffer being saved?
(progn
(flymake-log 3 "starting syntax check as buffer was saved")
(flymake-start-syntax-check)))) ; no more mode 3. cannot start check if mode 3 (to temp copies) is active - (???)
(defun flymake-kill-buffer-hook ()
(when flymake-timer
(cancel-timer flymake-timer)
(setq flymake-timer nil)))
;;;###autoload
(defun flymake-find-file-hook ()
;;+(when flymake-start-syntax-check-on-find-file
;;+ (flymake-log 3 "starting syntax check on file open")
;;+ (flymake-start-syntax-check)
;;+)
(when (and (not (local-variable-p 'flymake-mode (current-buffer)))
(flymake-can-syntax-check-file buffer-file-name))
(flymake-mode)
(flymake-log 3 "automatically turned ON flymake mode")))
(defun flymake-get-first-err-line-no (err-info-list)
"Return first line with error."
(when err-info-list
(flymake-er-get-line (car err-info-list))))
(defun flymake-get-last-err-line-no (err-info-list)
"Return last line with error."
(when err-info-list
(flymake-er-get-line (nth (1- (length err-info-list)) err-info-list))))
(defun flymake-get-next-err-line-no (err-info-list line-no)
"Return next line with error."
(when err-info-list
(let* ((count (length err-info-list))
(idx 0))
(while (and (< idx count) (>= line-no (flymake-er-get-line (nth idx err-info-list))))
(setq idx (1+ idx)))
(if (< idx count)
(flymake-er-get-line (nth idx err-info-list))))))
(defun flymake-get-prev-err-line-no (err-info-list line-no)
"Return previous line with error."
(when err-info-list
(let* ((count (length err-info-list)))
(while (and (> count 0) (<= line-no (flymake-er-get-line (nth (1- count) err-info-list))))
(setq count (1- count)))
(if (> count 0)
(flymake-er-get-line (nth (1- count) err-info-list))))))
(defun flymake-skip-whitespace ()
"Move forward until non-whitespace is reached."
(while (looking-at "[ \t]")
(forward-char)))
(defun flymake-goto-line (line-no)
"Go to line LINE-NO, then skip whitespace."
(goto-char (point-min))
(forward-line (1- line-no))
(flymake-skip-whitespace))
(defun flymake-goto-next-error ()
"Go to next error in err ring."
(interactive)
(let ((line-no (flymake-get-next-err-line-no flymake-err-info (line-number-at-pos))))
(when (not line-no)
(setq line-no (flymake-get-first-err-line-no flymake-err-info))
(flymake-log 1 "passed end of file"))
(if line-no
(flymake-goto-line line-no)
(flymake-log 1 "no errors in current buffer"))))
(defun flymake-goto-prev-error ()
"Go to previous error in err ring."
(interactive)
(let ((line-no (flymake-get-prev-err-line-no flymake-err-info (line-number-at-pos))))
(when (not line-no)
(setq line-no (flymake-get-last-err-line-no flymake-err-info))
(flymake-log 1 "passed beginning of file"))
(if line-no
(flymake-goto-line line-no)
(flymake-log 1 "no errors in current buffer"))))
(defun flymake-patch-err-text (string)
(if (string-match "^[\n\t :0-9]*\\(.*\\)$" string)
(match-string 1 string)
string))
;;;; general init-cleanup and helper routines
(defun flymake-create-temp-inplace (file-name prefix)
(unless (stringp file-name)
(error "Invalid file-name"))
(or prefix
(setq prefix "flymake"))
(let* ((ext (file-name-extension file-name))
(temp-name (file-truename
(concat (file-name-sans-extension file-name)
"_" prefix
(and ext (concat "." ext))))))
(flymake-log 3 "create-temp-inplace: file=%s temp=%s" file-name temp-name)
temp-name))
(defun flymake-create-temp-with-folder-structure (file-name _prefix)
(unless (stringp file-name)
(error "Invalid file-name"))
(let* ((dir (file-name-directory file-name))
;; Not sure what this slash-pos is all about, but I guess it's just
;; trying to remove the leading / of absolute file names.
(slash-pos (string-match "/" dir))
(temp-dir (expand-file-name (substring dir (1+ slash-pos))
temporary-file-directory)))
(file-truename (expand-file-name (file-name-nondirectory file-name)
temp-dir))))
(defun flymake-delete-temp-directory (dir-name)
"Attempt to delete temp dir created by `flymake-create-temp-with-folder-structure', do not fail on error."
(let* ((temp-dir temporary-file-directory)
(suffix (substring dir-name (1+ (length temp-dir)))))
(while (> (length suffix) 0)
(setq suffix (directory-file-name suffix))
;;+(flymake-log 0 "suffix=%s" suffix)
(flymake-safe-delete-directory
(file-truename (expand-file-name suffix temp-dir)))
(setq suffix (file-name-directory suffix)))))
(defvar-local flymake-temp-source-file-name nil)
(defvar-local flymake-master-file-name nil)
(defvar-local flymake-temp-master-file-name nil)
(defvar-local flymake-base-dir nil)
(defun flymake-init-create-temp-buffer-copy (create-temp-f)
"Make a temporary copy of the current buffer, save its name in buffer data and return the name."
(let* ((source-file-name buffer-file-name)
(temp-source-file-name (funcall create-temp-f source-file-name "flymake")))
(flymake-save-buffer-in-file temp-source-file-name)
(setq flymake-temp-source-file-name temp-source-file-name)
temp-source-file-name))
(defun flymake-simple-cleanup ()
"Do cleanup after `flymake-init-create-temp-buffer-copy'.
Delete temp file."
(flymake-safe-delete-file flymake-temp-source-file-name)
(setq flymake-last-change-time nil))
(defun flymake-get-real-file-name (file-name-from-err-msg)
"Translate file name from error message to \"real\" file name.
Return full-name. Names are real, not patched."
(let* ((real-name nil)
(source-file-name buffer-file-name)
(master-file-name flymake-master-file-name)
(temp-source-file-name flymake-temp-source-file-name)
(temp-master-file-name flymake-temp-master-file-name)
(base-dirs
(list flymake-base-dir
(file-name-directory source-file-name)
(if master-file-name (file-name-directory master-file-name))))
(files (list (list source-file-name source-file-name)
(list temp-source-file-name source-file-name)
(list master-file-name master-file-name)
(list temp-master-file-name master-file-name))))
(when (equal 0 (length file-name-from-err-msg))
(setq file-name-from-err-msg source-file-name))
(setq real-name (flymake-get-full-patched-file-name file-name-from-err-msg base-dirs files))
;; if real-name is nil, than file name from err msg is none of the files we've patched
(if (not real-name)
(setq real-name (flymake-get-full-nonpatched-file-name file-name-from-err-msg base-dirs)))
(if (not real-name)
(setq real-name file-name-from-err-msg))
(setq real-name (flymake-fix-file-name real-name))
(flymake-log 3 "get-real-file-name: file-name=%s real-name=%s" file-name-from-err-msg real-name)
real-name))
(defun flymake-get-full-patched-file-name (file-name-from-err-msg base-dirs files)
(let* ((base-dirs-count (length base-dirs))
(file-count (length files))
(real-name nil))
(while (and (not real-name) (> base-dirs-count 0))
(setq file-count (length files))
(while (and (not real-name) (> file-count 0))
(let* ((this-dir (nth (1- base-dirs-count) base-dirs))
(this-file (nth 0 (nth (1- file-count) files)))
(this-real-name (nth 1 (nth (1- file-count) files))))
;;+(flymake-log 0 "this-dir=%s this-file=%s this-real=%s msg-file=%s" this-dir this-file this-real-name file-name-from-err-msg)
(when (and this-dir this-file (flymake-same-files
(expand-file-name file-name-from-err-msg this-dir)
this-file))
(setq real-name this-real-name)))
(setq file-count (1- file-count)))
(setq base-dirs-count (1- base-dirs-count)))
real-name))
(defun flymake-get-full-nonpatched-file-name (file-name-from-err-msg base-dirs)
(let* ((real-name nil))
(if (file-name-absolute-p file-name-from-err-msg)
(setq real-name file-name-from-err-msg)
(let* ((base-dirs-count (length base-dirs)))
(while (and (not real-name) (> base-dirs-count 0))
(let* ((full-name (expand-file-name file-name-from-err-msg
(nth (1- base-dirs-count) base-dirs))))
(if (file-exists-p full-name)
(setq real-name full-name))
(setq base-dirs-count (1- base-dirs-count))))))
real-name))
(defun flymake-init-find-buildfile-dir (source-file-name buildfile-name)
"Find buildfile, store its dir in buffer data and return its dir, if found."
(let* ((buildfile-dir
(flymake-find-buildfile buildfile-name
(file-name-directory source-file-name))))
(if buildfile-dir
(setq flymake-base-dir buildfile-dir)
(flymake-log 1 "no buildfile (%s) for %s" buildfile-name source-file-name)
(flymake-report-fatal-status
"NOMK" (format "No buildfile (%s) found for %s"
buildfile-name source-file-name)))))
(defun flymake-init-create-temp-source-and-master-buffer-copy (get-incl-dirs-f create-temp-f master-file-masks include-regexp)
"Find master file (or buffer), create its copy along with a copy of the source file."
(let* ((source-file-name buffer-file-name)
(temp-source-file-name (flymake-init-create-temp-buffer-copy create-temp-f))
(master-and-temp-master (flymake-create-master-file
source-file-name temp-source-file-name
get-incl-dirs-f create-temp-f
master-file-masks include-regexp)))
(if (not master-and-temp-master)
(progn
(flymake-log 1 "cannot find master file for %s" source-file-name)
(flymake-report-status "!" "") ; NOMASTER
nil)
(setq flymake-master-file-name (nth 0 master-and-temp-master))
(setq flymake-temp-master-file-name (nth 1 master-and-temp-master)))))
(defun flymake-master-cleanup ()
(flymake-simple-cleanup)
(flymake-safe-delete-file flymake-temp-master-file-name))
;;;; make-specific init-cleanup routines
(defun flymake-get-syntax-check-program-args (source-file-name base-dir use-relative-base-dir use-relative-source get-cmd-line-f)
"Create a command line for syntax check using GET-CMD-LINE-F."
(funcall get-cmd-line-f
(if use-relative-source
(file-relative-name source-file-name base-dir)
source-file-name)
(if use-relative-base-dir
(file-relative-name base-dir
(file-name-directory source-file-name))
base-dir)))
(defun flymake-get-make-cmdline (source base-dir)
(list "make"
(list "-s"
"-C"
base-dir
(concat "CHK_SOURCES=" source)
"SYNTAX_CHECK_MODE=1"
"check-syntax")))
(defun flymake-get-ant-cmdline (source base-dir)
(list "ant"
(list "-buildfile"
(concat base-dir "/" "build.xml")
(concat "-DCHK_SOURCES=" source)
"check-syntax")))
(defun flymake-simple-make-init-impl (create-temp-f use-relative-base-dir use-relative-source build-file-name get-cmdline-f)
"Create syntax check command line for a directly checked source file.
Use CREATE-TEMP-F for creating temp copy."
(let* ((args nil)
(source-file-name buffer-file-name)
(buildfile-dir (flymake-init-find-buildfile-dir source-file-name build-file-name)))
(if buildfile-dir
(let* ((temp-source-file-name (flymake-init-create-temp-buffer-copy create-temp-f)))
(setq args (flymake-get-syntax-check-program-args temp-source-file-name buildfile-dir
use-relative-base-dir use-relative-source
get-cmdline-f))))
args))
(defun flymake-simple-make-init ()
(flymake-simple-make-init-impl 'flymake-create-temp-inplace t t "Makefile" 'flymake-get-make-cmdline))
(defun flymake-master-make-init (get-incl-dirs-f master-file-masks include-regexp)
"Create make command line for a source file checked via master file compilation."
(let* ((make-args nil)
(temp-master-file-name (flymake-init-create-temp-source-and-master-buffer-copy
get-incl-dirs-f 'flymake-create-temp-inplace
master-file-masks include-regexp)))
(when temp-master-file-name
(let* ((buildfile-dir (flymake-init-find-buildfile-dir temp-master-file-name "Makefile")))
(if buildfile-dir
(setq make-args (flymake-get-syntax-check-program-args
temp-master-file-name buildfile-dir nil nil 'flymake-get-make-cmdline)))))
make-args))
(defun flymake-find-make-buildfile (source-dir)
(flymake-find-buildfile "Makefile" source-dir))
;;;; .h/make specific
(defun flymake-master-make-header-init ()
(flymake-master-make-init
'flymake-get-include-dirs
'("\\.\\(?:c\\(?:pp\\|xx\\|\\+\\+\\)?\\|CC\\)\\'")
"[ \t]*#[ \t]*include[ \t]*\"\\([[:word:]0-9/\\_.]*%s\\)\""))
;;;; .java/make specific
(defun flymake-simple-make-java-init ()
(flymake-simple-make-init-impl 'flymake-create-temp-with-folder-structure nil nil "Makefile" 'flymake-get-make-cmdline))
(defun flymake-simple-ant-java-init ()
(flymake-simple-make-init-impl 'flymake-create-temp-with-folder-structure nil nil "build.xml" 'flymake-get-ant-cmdline))
(defun flymake-simple-java-cleanup ()
"Cleanup after `flymake-simple-make-java-init' -- delete temp file and dirs."
(flymake-safe-delete-file flymake-temp-source-file-name)
(when flymake-temp-source-file-name
(flymake-delete-temp-directory
(file-name-directory flymake-temp-source-file-name))))
;;;; perl-specific init-cleanup routines
(defun flymake-perl-init ()
(let* ((temp-file (flymake-init-create-temp-buffer-copy
'flymake-create-temp-inplace))
(local-file (file-relative-name
temp-file
(file-name-directory buffer-file-name))))
(list "perl" (list "-wc " local-file))))
;;;; php-specific init-cleanup routines
(defun flymake-php-init ()
(let* ((temp-file (flymake-init-create-temp-buffer-copy
'flymake-create-temp-inplace))
(local-file (file-relative-name
temp-file
(file-name-directory buffer-file-name))))
(list "php" (list "-f" local-file "-l"))))
;;;; tex-specific init-cleanup routines
(defun flymake-get-tex-args (file-name)
;;(list "latex" (list "-c-style-errors" file-name))
(list "texify" (list "--pdf" "--tex-option=-c-style-errors" file-name)))
(defun flymake-simple-tex-init ()
(flymake-get-tex-args (flymake-init-create-temp-buffer-copy 'flymake-create-temp-inplace)))
;; Perhaps there should be a buffer-local variable flymake-master-file
;; that people can set to override this stuff. Could inherit from
;; the similar AUCTeX variable.
(defun flymake-master-tex-init ()
(let* ((temp-master-file-name (flymake-init-create-temp-source-and-master-buffer-copy
'flymake-get-include-dirs-dot 'flymake-create-temp-inplace
'("\\.tex\\'")
"[ \t]*\\in\\(?:put\\|clude\\)[ \t]*{\\(.*%s\\)}")))
(when temp-master-file-name
(flymake-get-tex-args temp-master-file-name))))
(defun flymake-get-include-dirs-dot (_base-dir)
'("."))
;;;; xml-specific init-cleanup routines
(defun flymake-xml-init ()
(list flymake-xml-program
(list "val" (flymake-init-create-temp-buffer-copy
'flymake-create-temp-inplace))))
(provide 'flymake)
;;; flymake.el ends here
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