From eb34f7f5a29e7bf62326ecb6e693f28878be28cd Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jo=C3=A3o=20T=C3=A1vora?= <joaotavora@gmail.com>
Date: Thu, 17 Aug 2017 12:43:05 +0100
Subject: [PATCH] Split flymake.el into flymake-proc.el and flymake-ui.el

flymake.el is now a stub that requires both files.

* lisp/progmodes/flymake-proc.el: New file.

* lisp/progmodes/flymake-ui.el: New file.

* lisp/progmodes/flymake.el: Split into flymake-ui.el and
  flymake-proc.el.  Require both files.
---
 lisp/progmodes/flymake-proc.el | 1088 +++++++++++++++++++++
 lisp/progmodes/flymake-ui.el   |  601 ++++++++++++
 lisp/progmodes/flymake.el      | 1626 +-------------------------------
 3 files changed, 1698 insertions(+), 1617 deletions(-)
 create mode 100644 lisp/progmodes/flymake-proc.el
 create mode 100644 lisp/progmodes/flymake-ui.el

diff --git a/lisp/progmodes/flymake-proc.el b/lisp/progmodes/flymake-proc.el
new file mode 100644
index 00000000000..8a2fede2df5
--- /dev/null
+++ b/lisp/progmodes/flymake-proc.el
@@ -0,0 +1,1088 @@
+;;; flymake-proc.el --- Flymake for external syntax checker processes  -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2003-2017 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.
+;;
+;; This file contains the most original implementation of flymake's
+;; main source of on-the-fly diagnostic info, the external syntax
+;; checker backend.
+;;
+;;; Bugs/todo:
+
+;; - Only uses "Makefile", not "makefile" or "GNUmakefile"
+;;   (from http://bugs.debian.org/337339).
+
+;;; Code:
+
+(require 'flymake-ui)
+
+(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-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 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.
+
+When a buffer for MASTER-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-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-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-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)
+        (set-process-query-on-exit-flag process nil)
+        (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-message
+              "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))
+
+;;;; 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-proc)
+;;; flymake-proc.el ends here
diff --git a/lisp/progmodes/flymake-ui.el b/lisp/progmodes/flymake-ui.el
new file mode 100644
index 00000000000..c1dffb4e7ef
--- /dev/null
+++ b/lisp/progmodes/flymake-ui.el
@@ -0,0 +1,601 @@
+;;; flymake-ui.el --- A universal on-the-fly syntax checker  -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2003-2017 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.xo
+;;
+;; This file contains the UI for displaying and interacting with the
+;; results of such checks, as well as entry points for backends to
+;; hook on to. Backends are sources of diagnostic info.
+;;
+;;; 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-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)
+(make-obsolete-variable 'flymake-gui-warnings-enabled
+			"it no longer has any effect." "26.1")
+
+(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)
+
+(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-message 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))
+
+(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-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-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))
+
+(defvar-local flymake-is-running nil
+  "If t, flymake syntax check process is running for the current buffer.")
+
+(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)))
+
+;; Nothing in flymake uses this at all any more, so this is just for
+;; third-party compatibility.
+(define-obsolete-function-alias 'flymake-display-warning 'message-box "26.1")
+
+(defun flymake-report-fatal-status (status warning)
+  "Display a warning and switch flymake mode off."
+  ;; This first message was always shown by default, and flymake-log
+  ;; does nothing by default, hence the use of message.
+  ;; Another option is display-warning.
+  (if (< flymake-log-level 0)
+      (message "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))
+
+(provide 'flymake-ui)
+;;; flymake-ui.el ends here
diff --git a/lisp/progmodes/flymake.el b/lisp/progmodes/flymake.el
index ed34d9aaa52..6ae2280a35d 100644
--- a/lisp/progmodes/flymake.el
+++ b/lisp/progmodes/flymake.el
@@ -24,1626 +24,18 @@
 
 ;;; 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).
+;; Flymake is a minor Emacs mode performing on-the-fly syntax checks.
+;;
+;; It collects diagnostic information for multiple sources and
+;; visually annotates the relevant lines in the buffer.
+;;
+;; This file is just a stub for that loads the UI and backends, which
+;; could also be loaded separately.
 
 ;;; 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)
-(make-obsolete-variable 'flymake-gui-warnings-enabled
-			"it no longer has any effect." "26.1")
-
-(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-message 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.
-
-When a buffer for MASTER-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)
-        (set-process-query-on-exit-flag process nil)
-        (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-message
-              "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)))
-
-;; Nothing in flymake uses this at all any more, so this is just for
-;; third-party compatibility.
-(define-obsolete-function-alias 'flymake-display-warning 'message-box "26.1")
-
-(defun flymake-report-fatal-status (status warning)
-  "Display a warning and switch flymake mode off."
-  ;; This first message was always shown by default, and flymake-log
-  ;; does nothing by default, hence the use of message.
-  ;; Another option is display-warning.
-  (if (< flymake-log-level 0)
-      (message "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))))
+(require 'flymake-ui)
+(require 'flymake-proc)
 
 (provide 'flymake)
 ;;; flymake.el ends here
-- 
2.39.2