lisp/progmodes/flymake.el

   1 ;;; flymake.el -- a universal on-the-fly syntax checker
   2
   3 ;; Copyright (C) 2003, 2004, 2005, 2006, 2007
   4 ;;   Free Software Foundation, Inc.
   5
   6 ;; Author:  Pavel Kobyakov <pk_at_work@yahoo.com>
   7 ;; Maintainer: Pavel Kobyakov <pk_at_work@yahoo.com>
   8 ;; Version: 0.3
   9 ;; Keywords: c languages tools
  10
  11 ;; This file is part of GNU Emacs.
  12
  13 ;; GNU Emacs is free software; you can redistribute it and/or modify
  14 ;; it under the terms of the GNU General Public License as published by
  15 ;; the Free Software Foundation; either version 3, or (at your option)
  16 ;; any later version.
  17
  18 ;; GNU Emacs is distributed in the hope that it will be useful,
  19 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 ;; GNU General Public License for more details.
  22
  23 ;; You should have received a copy of the GNU General Public License
  24 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  25 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  26 ;; Boston, MA 02110-1301, USA.
  27
  28 ;;; Commentary:
  29 ;;
  30 ;; Flymake is a minor Emacs mode performing on-the-fly syntax
  31 ;; checks using the external syntax check tool (for C/C++ this
  32 ;; is usually the compiler)
  33
  34 ;;; Bugs/todo:
  35
  36 ;; - Only uses "Makefile", not "makefile" or "GNUmakefile"
  37 ;;   (from http://bugs.debian.org/337339).
  38
  39 ;;; Code:
  40
  41 (eval-when-compile (require 'cl))
  42 (if (featurep 'xemacs) (require 'overlay))
  43
  44 (defvar flymake-is-running nil
  45   "If t, flymake syntax check process is running for the current buffer.")
  46 (make-variable-buffer-local 'flymake-is-running)
  47
  48 (defvar flymake-timer nil
  49   "Timer for starting syntax check.")
  50 (make-variable-buffer-local 'flymake-timer)
  51
  52 (defvar flymake-last-change-time nil
  53   "Time of last buffer change.")
  54 (make-variable-buffer-local 'flymake-last-change-time)
  55
  56 (defvar flymake-check-start-time nil
  57   "Time at which syntax check was started.")
  58 (make-variable-buffer-local 'flymake-check-start-time)
  59
  60 (defvar flymake-check-was-interrupted nil
  61   "Non-nil if syntax check was killed by `flymake-compile'.")
  62 (make-variable-buffer-local 'flymake-check-was-interrupted)
  63
  64 (defvar flymake-err-info nil
  65   "Sorted list of line numbers and lists of err info in the form (file, err-text).")
  66 (make-variable-buffer-local 'flymake-err-info)
  67
  68 (defvar flymake-new-err-info nil
  69   "Same as `flymake-err-info', effective when a syntax check is in progress.")
  70 (make-variable-buffer-local 'flymake-new-err-info)
  71
  72 ;;;; [[ cross-emacs compatibility routines
  73 (defsubst flymake-makehash (&optional test)
  74   (if (fboundp 'make-hash-table)
  75       (if test (make-hash-table :test test) (make-hash-table))
  76     (with-no-warnings
  77       (makehash test))))
  78
  79 (defalias 'flymake-float-time
  80   (if (fboundp 'float-time)
  81       'float-time
  82     (if (featurep 'xemacs)
  83         (lambda ()
  84           (multiple-value-bind (s0 s1 s2) (current-time)
  85             (+ (* (float (ash 1 16)) s0) (float s1) (* 0.0000001 s2)))))))
  86
  87 (defalias 'flymake-replace-regexp-in-string
  88   (if (eval-when-compile (fboundp 'replace-regexp-in-string))
  89       'replace-regexp-in-string
  90     (lambda (regexp rep str)
  91       (replace-in-string str regexp rep))))
  92
  93 (defalias 'flymake-split-string
  94   (if (condition-case nil (equal (split-string " bc " " " t) '("bc"))
  95         (error nil))
  96       (lambda (str pattern) (split-string str pattern t))
  97     (lambda (str pattern)
  98       "Split STR into a list of substrings bounded by PATTERN.
  99 Zero-length substrings at the beginning and end of the list are omitted."
 100       (let ((split (split-string str pattern)))
 101         (while (equal (car split) "") (setq split (cdr split)))
 102         (setq split (nreverse split))
 103         (while (equal (car split) "") (setq split (cdr split)))
 104         (nreverse split)))))
 105
 106 (defalias 'flymake-get-temp-dir
 107   (if (fboundp 'temp-directory)
 108       'temp-directory
 109     (lambda () temporary-file-directory)))
 110
 111 (defalias 'flymake-line-beginning-position
 112   (if (fboundp 'line-beginning-position)
 113       'line-beginning-position
 114     (lambda (&optional arg) (save-excursion (beginning-of-line arg) (point)))))
 115
 116 (defalias 'flymake-line-end-position
 117   (if (fboundp 'line-end-position)
 118       'line-end-position
 119     (lambda (&optional arg) (save-excursion (end-of-line arg) (point)))))
 120
 121 (defun flymake-posn-at-point-as-event (&optional position window dx dy)
 122   "Return pixel position of top left corner of glyph at POSITION,
 123 relative to top left corner of WINDOW, as a mouse-1 click
 124 event (identical to the event that would be triggered by clicking
 125 mouse button 1 at the top left corner of the glyph).
 126
 127 POSITION and WINDOW default to the position of point in the
 128 selected window.
 129
 130 DX and DY specify optional offsets from the top left of the glyph."
 131   (unless window (setq window (selected-window)))
 132   (unless position (setq position (window-point window)))
 133   (unless dx (setq dx 0))
 134   (unless dy (setq dy 0))
 135
 136   (let* ((pos (posn-at-point position window))
 137          (x-y (posn-x-y pos))
 138          (edges (window-inside-pixel-edges window))
 139          (win-x-y (window-pixel-edges window)))
 140     ;; adjust for window edges
 141     (setcar (nthcdr 2 pos)
 142             (cons (+ (car x-y) (car  edges) (- (car win-x-y))  dx)
 143                   (+ (cdr x-y) (cadr edges) (- (cadr win-x-y)) dy)))
 144     (list 'mouse-1 pos)))
 145
 146 (defun flymake-popup-menu (menu-data)
 147   "Pop up the flymake menu at point, using the data MENU-DATA.
 148 POS is a list of the form ((X Y) WINDOW), where X and Y are
 149 pixels positions from the top left corner of WINDOW's frame.
 150 MENU-DATA is a list of error and warning messages returned by
 151 `flymake-make-err-menu-data'."
 152   (if (featurep 'xemacs)
 153       (let* ((pos         (flymake-get-point-pixel-pos))
 154              (x-pos       (nth 0 pos))
 155              (y-pos       (nth 1 pos))
 156              (fake-event-props  '(button 1 x 1 y 1)))
 157         (setq fake-event-props (plist-put fake-event-props 'x x-pos))
 158         (setq fake-event-props (plist-put fake-event-props 'y y-pos))
 159         (popup-menu (flymake-make-xemacs-menu menu-data)
 160                     (make-event 'button-press fake-event-props)))
 161     (x-popup-menu (if (eval-when-compile (fboundp 'posn-at-point))
 162                       (flymake-posn-at-point-as-event)
 163                     (list (flymake-get-point-pixel-pos) (selected-window)))
 164                   (flymake-make-emacs-menu menu-data))))
 165
 166 (defun flymake-make-emacs-menu (menu-data)
 167   "Return a menu specifier using MENU-DATA.
 168 MENU-DATA is a list of error and warning messages returned by
 169 `flymake-make-err-menu-data'.
 170 See `x-popup-menu' for the menu specifier format."
 171   (let* ((menu-title     (nth 0 menu-data))
 172          (menu-items     (nth 1 menu-data))
 173          (menu-commands  (mapcar (lambda (foo)
 174                                    (cons (nth 0 foo) (nth 1 foo)))
 175                                  menu-items)))
 176     (list menu-title (cons "" menu-commands))))
 177
 178 (if (featurep 'xemacs) (progn
 179
 180 (defun flymake-nop ())
 181
 182 (defun flymake-make-xemacs-menu (menu-data)
 183   "Return a menu specifier using MENU-DATA."
 184   (let* ((menu-title     (nth 0 menu-data))
 185          (menu-items     (nth 1 menu-data))
 186          (menu-commands  nil))
 187     (setq menu-commands (mapcar (lambda (foo)
 188                                   (vector (nth 0 foo) (or (nth 1 foo) '(flymake-nop)) t))
 189                                 menu-items))
 190     (cons menu-title menu-commands)))
 191
 192 )) ;; xemacs
 193
 194 (unless (eval-when-compile (fboundp 'posn-at-point))
 195
 196 (defun flymake-current-row ()
 197   "Return current row number in current frame."
 198   (if (fboundp 'window-edges)
 199       (+ (car (cdr (window-edges))) (count-lines (window-start) (point)))
 200     (count-lines (window-start) (point))))
 201
 202 (defun flymake-selected-frame ()
 203   (if (fboundp 'window-edges)
 204       (selected-frame)
 205     (selected-window)))
 206
 207 (defun flymake-get-point-pixel-pos ()
 208   "Return point position in pixels: (x, y)."
 209   (let ((mouse-pos  (mouse-position))
 210         (pixel-pos  nil)
 211         (ret        nil))
 212     (if (car (cdr mouse-pos))
 213         (progn
 214           (set-mouse-position (flymake-selected-frame) (current-column) (flymake-current-row))
 215           (setq pixel-pos (mouse-pixel-position))
 216           (set-mouse-position (car mouse-pos) (car (cdr mouse-pos)) (cdr (cdr mouse-pos)))
 217           (setq ret (list (car (cdr pixel-pos)) (cdr (cdr pixel-pos)))))
 218       (progn
 219         (setq ret '(0 0))))
 220     (flymake-log 3 "mouse pos is %s" ret)
 221     ret))
 222
 223 ) ;; End of (unless (fboundp 'posn-at-point)
 224
 225 ;;;; ]]
 226
 227 (defcustom flymake-log-level -1
 228   "Logging level, only messages with level lower or equal will be logged.
 229 -1 = NONE, 0 = ERROR, 1 = WARNING, 2 = INFO, 3 = DEBUG"
 230   :group 'flymake
 231   :type 'integer)
 232
 233 (defun flymake-log (level text &rest args)
 234   "Log a message at level LEVEL.
 235 If LEVEL is higher than `flymake-log-level', the message is
 236 ignored.  Otherwise, it is printed using `message'.
 237 TEXT is a format control string, and the remaining arguments ARGS
 238 are the string substitutions (see `format')."
 239   (if (<= level flymake-log-level)
 240       (let* ((msg (apply 'format text args)))
 241         (message "%s" msg)
 242         ;;(with-temp-buffer
 243         ;;    (insert msg)
 244         ;;   (insert "\n")
 245         ;;   (flymake-save-buffer-in-file "d:/flymake.log" t)  ; make log file name customizable
 246         ;;)
 247         )))
 248
 249 (defun flymake-ins-after (list pos val)
 250   "Insert VAL into LIST after position POS."
 251   (let ((tmp (copy-sequence list)))     ; (???)
 252     (setcdr (nthcdr pos tmp) (cons val (nthcdr (1+ pos) tmp)))
 253     tmp))
 254
 255 (defun flymake-set-at (list pos val)
 256   "Set VAL at position POS in LIST."
 257   (let ((tmp (copy-sequence list)))     ; (???)
 258     (setcar (nthcdr pos tmp) val)
 259     tmp))
 260
 261 (defvar flymake-processes nil
 262   "List of currently active flymake processes.")
 263
 264 (defvar flymake-output-residual nil)
 265
 266 (make-variable-buffer-local 'flymake-output-residual)
 267
 268 (defcustom flymake-allowed-file-name-masks
 269   '(("\\.c\\'" flymake-simple-make-init)
 270     ("\\.cpp\\'" flymake-simple-make-init)
 271     ("\\.xml\\'" flymake-xml-init)
 272     ("\\.html?\\'" flymake-xml-init)
 273     ("\\.cs\\'" flymake-simple-make-init)
 274     ("\\.pl\\'" flymake-perl-init)
 275     ("\\.h\\'" flymake-master-make-header-init flymake-master-cleanup)
 276     ("\\.java\\'" flymake-simple-make-java-init flymake-simple-java-cleanup)
 277     ("[0-9]+\\.tex\\'" flymake-master-tex-init flymake-master-cleanup)
 278     ("\\.tex\\'" flymake-simple-tex-init)
 279     ("\\.idl\\'" flymake-simple-make-init)
 280     ;; ("\\.cpp\\'" 1)
 281     ;; ("\\.java\\'" 3)
 282     ;; ("\\.h\\'" 2 ("\\.cpp\\'" "\\.c\\'")
 283     ;; ("[ \t]*#[ \t]*include[ \t]*\"\\([\w0-9/\\_\.]*[/\\]*\\)\\(%s\\)\"" 1 2))
 284     ;; ("\\.idl\\'" 1)
 285     ;; ("\\.odl\\'" 1)
 286     ;; ("[0-9]+\\.tex\\'" 2 ("\\.tex\\'")
 287     ;; ("[ \t]*\\input[ \t]*{\\(.*\\)\\(%s\\)}" 1 2 ))
 288     ;; ("\\.tex\\'" 1)
 289     )
 290   "*Files syntax checking is allowed for."
 291   :group 'flymake
 292   :type '(repeat (string symbol symbol symbol)))
 293
 294 (defun flymake-get-file-name-mode-and-masks (file-name)
 295   "Return the corresponding entry from `flymake-allowed-file-name-masks'."
 296   (unless (stringp file-name)
 297     (error "Invalid file-name"))
 298   (let ((fnm flymake-allowed-file-name-masks)
 299         (mode-and-masks  nil))
 300     (while (and (not mode-and-masks) fnm)
 301       (if (string-match (car (car fnm)) file-name)
 302           (setq mode-and-masks (cdr (car fnm))))
 303       (setq fnm (cdr fnm)))
 304     (flymake-log 3 "file %s, init=%s" file-name (car mode-and-masks))
 305     mode-and-masks))
 306
 307 (defun flymake-can-syntax-check-file (file-name)
 308   "Determine whether we can syntax check FILE-NAME.
 309 Return nil if we cannot, non-nil if we can."
 310   (if (flymake-get-init-function file-name) t nil))
 311
 312 (defun flymake-get-init-function (file-name)
 313   "Return init function to be used for the file."
 314   (let* ((init-f  (nth 0 (flymake-get-file-name-mode-and-masks file-name))))
 315     ;;(flymake-log 0 "calling %s" init-f)
 316     ;;(funcall init-f (current-buffer))
 317     init-f))
 318
 319 (defun flymake-get-cleanup-function (file-name)
 320   "Return cleanup function to be used for the file."
 321   (or (nth 1 (flymake-get-file-name-mode-and-masks file-name))
 322       'flymake-simple-cleanup))
 323
 324 (defun flymake-get-real-file-name-function (file-name)
 325   (or (nth 2 (flymake-get-file-name-mode-and-masks file-name))
 326       'flymake-get-real-file-name))
 327
 328 (defvar flymake-find-buildfile-cache (flymake-makehash 'equal))
 329
 330 (defun flymake-get-buildfile-from-cache (dir-name)
 331   (gethash dir-name flymake-find-buildfile-cache))
 332
 333 (defun flymake-add-buildfile-to-cache (dir-name buildfile)
 334   (puthash dir-name buildfile flymake-find-buildfile-cache))
 335
 336 (defun flymake-clear-buildfile-cache ()
 337   (clrhash flymake-find-buildfile-cache))
 338
 339 (defun flymake-find-buildfile (buildfile-name source-dir-name)
 340   "Find buildfile starting from current directory.
 341 Buildfile includes Makefile, build.xml etc.
 342 Return its file name if found, or nil if not found."
 343   (or (flymake-get-buildfile-from-cache source-dir-name)
 344       (let* ((file (locate-dominating-file
 345                     source-dir-name
 346                     (concat "\\`" (regexp-quote buildfile-name) "\\'"))))
 347         (if file
 348             (progn
 349               (flymake-log 3 "found buildfile at %s" file)
 350               (setq file (file-name-directory file))
 351               (flymake-add-buildfile-to-cache source-dir-name file)
 352               file)
 353           (progn
 354             (flymake-log 3 "buildfile for %s not found" source-dir-name)
 355             nil)))))
 356
 357 (defun flymake-fix-file-name (name)
 358   "Replace all occurrences of '\' with '/'."
 359   (when name
 360     (setq name (expand-file-name name))
 361     (setq name (abbreviate-file-name name))
 362     (setq name (directory-file-name name))
 363     name))
 364
 365 (defun flymake-same-files (file-name-one file-name-two)
 366   "Check if FILE-NAME-ONE and FILE-NAME-TWO point to same file.
 367 Return t if so, nil if not."
 368   (equal (flymake-fix-file-name file-name-one)
 369          (flymake-fix-file-name file-name-two)))
 370
 371 (defcustom flymake-master-file-dirs '("." "./src" "./UnitTest")
 372   "Dirs where to look for master files."
 373   :group 'flymake
 374   :type '(repeat (string)))
 375
 376 (defcustom flymake-master-file-count-limit 32
 377   "Max number of master files to check."
 378   :group 'flymake
 379   :type 'integer)
 380
 381 ;; This is bound dynamically to pass a parameter to a sort predicate below
 382 (defvar flymake-included-file-name)
 383
 384 (defun flymake-find-possible-master-files (file-name master-file-dirs masks)
 385   "Find (by name and location) all possible master files.
 386 Master files are .cpp and .c for and .h.  Files are searched for
 387 starting from the .h directory and max max-level parent dirs.
 388 File contents are not checked."
 389   (let* ((dirs master-file-dirs)
 390          (files  nil)
 391          (done   nil))
 392
 393     (while (and (not done) dirs)
 394       (let* ((dir (expand-file-name (car dirs) (file-name-directory file-name)))
 395              (masks masks))
 396         (while (and (file-exists-p dir) (not done) masks)
 397           (let* ((mask        (car masks))
 398                  (dir-files   (directory-files dir t mask)))
 399
 400             (flymake-log 3 "dir %s, %d file(s) for mask %s"
 401                          dir (length dir-files) mask)
 402             (while (and (not done) dir-files)
 403               (when (not (file-directory-p (car dir-files)))
 404                 (setq files (cons (car dir-files) files))
 405                 (when (>= (length files) flymake-master-file-count-limit)
 406                   (flymake-log 3 "master file count limit (%d) reached" flymake-master-file-count-limit)
 407                   (setq done t)))
 408               (setq dir-files (cdr dir-files))))
 409           (setq masks (cdr masks))))
 410       (setq dirs (cdr dirs)))
 411     (when files
 412       (let ((flymake-included-file-name (file-name-nondirectory file-name)))
 413         (setq files (sort files 'flymake-master-file-compare))))
 414     (flymake-log 3 "found %d possible master file(s)" (length files))
 415     files))
 416
 417 (defun flymake-master-file-compare (file-one file-two)
 418   "Compare two files specified by FILE-ONE and FILE-TWO.
 419 This function is used in sort to move most possible file names
 420 to the beginning of the list (File.h -> File.cpp moved to top)."
 421   (and (equal (file-name-sans-extension flymake-included-file-name)
 422               (file-name-sans-extension (file-name-nondirectory file-one)))
 423        (not (equal file-one file-two))))
 424
 425 (defcustom flymake-check-file-limit 8192
 426   "Max number of chars to look at when checking possible master file."
 427   :group 'flymake
 428   :type 'integer)
 429
 430 (defun flymake-check-patch-master-file-buffer
 431        (master-file-temp-buffer
 432         master-file-name patched-master-file-name
 433         source-file-name patched-source-file-name
 434         include-dirs regexp)
 435   "Check if MASTER-FILE-NAME is a master file for SOURCE-FILE-NAME.
 436 For .cpp master file this means it includes SOURCE-FILE-NAME (.h).
 437 If yes, patch a copy of MASTER-FILE-NAME to include PATCHED-SOURCE-FILE-NAME
 438 instead of SOURCE-FILE-NAME.
 439 Whether a buffer for MATER-FILE-NAME exists, use it as a source
 440 instead of reading master file from disk."
 441   (let* ((source-file-nondir (file-name-nondirectory source-file-name))
 442          (found                     nil)
 443          (inc-name                  nil)
 444          (search-limit              flymake-check-file-limit))
 445     (setq regexp
 446           (format regexp        ; "[ \t]*#[ \t]*include[ \t]*\"\\(.*%s\\)\""
 447                   (regexp-quote source-file-nondir)))
 448     (unwind-protect
 449         (with-current-buffer master-file-temp-buffer
 450           (when (> search-limit (point-max))
 451             (setq search-limit (point-max)))
 452           (flymake-log 3 "checking %s against regexp %s"
 453                        master-file-name regexp)
 454           (goto-char (point-min))
 455           (while (and (< (point) search-limit)
 456                       (re-search-forward regexp search-limit t))
 457             (let ((match-beg   (match-beginning 1))
 458                   (match-end   (match-end 1)))
 459
 460               (flymake-log 3 "found possible match for %s" source-file-nondir)
 461               (setq inc-name (match-string 1))
 462               (when (eq t (compare-strings
 463                            source-file-nondir nil nil
 464                            inc-name (- (length inc-name)
 465                                        (length source-file-nondir)) nil))
 466                 (flymake-log 3 "inc-name=%s" inc-name)
 467                 (when (flymake-check-include source-file-name inc-name
 468                                              include-dirs)
 469                   (setq found t)
 470                   ;;  replace-match is not used here as it fails in
 471                   ;; XEmacs with 'last match not a buffer' error as
 472                   ;; check-includes calls replace-in-string
 473                   (flymake-replace-region
 474                    match-beg match-end
 475                    (file-name-nondirectory patched-source-file-name))))
 476               (forward-line 1)))
 477           (when found
 478             (flymake-save-buffer-in-file patched-master-file-name)))
 479       ;;+(flymake-log 3 "killing buffer %s"
 480       ;;                (buffer-name master-file-temp-buffer))
 481       (kill-buffer master-file-temp-buffer))
 482     ;;+(flymake-log 3 "check-patch master file %s: %s" master-file-name found)
 483     (when found
 484       (flymake-log 2 "found master file %s" master-file-name))
 485     found))
 486
 487 (defun flymake-replace-region (beg end rep)
 488   "Replace text in BUFFER in region (BEG END) with REP."
 489   (save-excursion
 490     (goto-char end)
 491     ;; Insert before deleting, so as to better preserve markers's positions.
 492     (insert rep)
 493     (delete-region beg end)))
 494
 495 (defun flymake-read-file-to-temp-buffer (file-name)
 496   "Insert contents of FILE-NAME into newly created temp buffer."
 497   (let* ((temp-buffer (get-buffer-create (generate-new-buffer-name (concat "flymake:" (file-name-nondirectory file-name))))))
 498     (with-current-buffer temp-buffer
 499       (insert-file-contents file-name))
 500     temp-buffer))
 501
 502 (defun flymake-copy-buffer-to-temp-buffer (buffer)
 503   "Copy contents of BUFFER into newly created temp buffer."
 504   (with-current-buffer
 505       (get-buffer-create (generate-new-buffer-name
 506                           (concat "flymake:" (buffer-name buffer))))
 507     (insert-buffer-substring buffer)
 508     (current-buffer)))
 509
 510 (defun flymake-check-include (source-file-name inc-name include-dirs)
 511   "Check if SOURCE-FILE-NAME can be found in include path.
 512 Return t if it can be found via include path using INC-NAME."
 513   (if (file-name-absolute-p inc-name)
 514       (flymake-same-files source-file-name inc-name)
 515     (while (and include-dirs
 516                 (not (flymake-same-files
 517                       source-file-name
 518                       (concat (file-name-directory source-file-name)
 519                               "/" (car include-dirs)
 520                               "/" inc-name))))
 521       (setq include-dirs (cdr include-dirs)))
 522     include-dirs))
 523
 524 (defun flymake-find-buffer-for-file (file-name)
 525   "Check if there exists a buffer visiting FILE-NAME.
 526 Return t if so, nil if not."
 527   (let ((buffer-name (get-file-buffer file-name)))
 528     (if buffer-name
 529         (get-buffer buffer-name))))
 530
 531 (defun flymake-create-master-file (source-file-name patched-source-file-name get-incl-dirs-f create-temp-f masks include-regexp)
 532   "Save SOURCE-FILE-NAME with a different name.
 533 Find master file, patch and save it."
 534   (let* ((possible-master-files     (flymake-find-possible-master-files source-file-name flymake-master-file-dirs masks))
 535          (master-file-count         (length possible-master-files))
 536          (idx                       0)
 537          (temp-buffer               nil)
 538          (master-file-name          nil)
 539          (patched-master-file-name  nil)
 540          (found                     nil))
 541
 542     (while (and (not found) (< idx master-file-count))
 543       (setq master-file-name (nth idx possible-master-files))
 544       (setq patched-master-file-name (funcall create-temp-f master-file-name "flymake_master"))
 545       (if (flymake-find-buffer-for-file master-file-name)
 546           (setq temp-buffer (flymake-copy-buffer-to-temp-buffer (flymake-find-buffer-for-file master-file-name)))
 547         (setq temp-buffer (flymake-read-file-to-temp-buffer master-file-name)))
 548       (setq found
 549             (flymake-check-patch-master-file-buffer
 550              temp-buffer
 551              master-file-name
 552              patched-master-file-name
 553              source-file-name
 554              patched-source-file-name
 555              (funcall get-incl-dirs-f (file-name-directory master-file-name))
 556              include-regexp))
 557       (setq idx (1+ idx)))
 558     (if found
 559         (list master-file-name patched-master-file-name)
 560       (progn
 561         (flymake-log 3 "none of %d master file(s) checked includes %s" master-file-count
 562                      (file-name-nondirectory source-file-name))
 563         nil))))
 564
 565 (defun flymake-save-buffer-in-file (file-name)
 566   (save-restriction
 567     (widen)
 568     (make-directory (file-name-directory file-name) 1)
 569     (write-region (point-min) (point-max) file-name nil 566))
 570   (flymake-log 3 "saved buffer %s in file %s" (buffer-name) file-name))
 571
 572 (defun flymake-save-string-to-file (file-name data)
 573   "Save string DATA to file FILE-NAME."
 574   (write-region data nil file-name nil 566))
 575
 576 (defun flymake-read-file-to-string (file-name)
 577   "Read contents of file FILE-NAME and return as a string."
 578   (with-temp-buffer
 579     (insert-file-contents file-name)
 580     (buffer-substring (point-min) (point-max))))
 581
 582 (defun flymake-process-filter (process output)
 583   "Parse OUTPUT and highlight error lines.
 584 It's flymake process filter."
 585   (let ((source-buffer (process-buffer process)))
 586
 587     (flymake-log 3 "received %d byte(s) of output from process %d"
 588                  (length output) (process-id process))
 589     (when source-buffer
 590       (with-current-buffer source-buffer
 591         (flymake-parse-output-and-residual output)))))
 592
 593 (defun flymake-process-sentinel (process event)
 594   "Sentinel for syntax check buffers."
 595   (when (memq (process-status process) '(signal exit))
 596     (let* ((exit-status       (process-exit-status process))
 597            (command           (process-command process))
 598            (source-buffer     (process-buffer process))
 599            (cleanup-f         (flymake-get-cleanup-function (buffer-file-name source-buffer))))
 600
 601       (flymake-log 2 "process %d exited with code %d"
 602                    (process-id process) exit-status)
 603       (condition-case err
 604           (progn
 605             (flymake-log 3 "cleaning up using %s" cleanup-f)
 606             (when (buffer-live-p source-buffer)
 607               (with-current-buffer source-buffer
 608                 (funcall cleanup-f)))
 609
 610             (delete-process process)
 611             (setq flymake-processes (delq process flymake-processes))
 612
 613             (when (buffer-live-p source-buffer)
 614               (with-current-buffer source-buffer
 615
 616                 (flymake-parse-residual)
 617                 (flymake-post-syntax-check exit-status command)
 618                 (setq flymake-is-running nil))))
 619         (error
 620          (let ((err-str (format "Error in process sentinel for buffer %s: %s"
 621                                 source-buffer (error-message-string err))))
 622            (flymake-log 0 err-str)
 623            (with-current-buffer source-buffer
 624              (setq flymake-is-running nil))))))))
 625
 626 (defun flymake-post-syntax-check (exit-status command)
 627   (setq flymake-err-info flymake-new-err-info)
 628   (setq flymake-new-err-info nil)
 629   (setq flymake-err-info
 630         (flymake-fix-line-numbers
 631          flymake-err-info 1 (flymake-count-lines)))
 632   (flymake-delete-own-overlays)
 633   (flymake-highlight-err-lines flymake-err-info)
 634   (let (err-count warn-count)
 635     (setq err-count (flymake-get-err-count flymake-err-info "e"))
 636     (setq warn-count  (flymake-get-err-count flymake-err-info "w"))
 637     (flymake-log 2 "%s: %d error(s), %d warning(s) in %.2f second(s)"
 638                  (buffer-name) err-count warn-count
 639                  (- (flymake-float-time) flymake-check-start-time))
 640     (setq flymake-check-start-time nil)
 641
 642     (if (and (equal 0 err-count) (equal 0 warn-count))
 643         (if (equal 0 exit-status)
 644             (flymake-report-status "" "")       ; PASSED
 645           (if (not flymake-check-was-interrupted)
 646               (flymake-report-fatal-status "CFGERR"
 647                                            (format "Configuration error has occured while running %s" command))
 648             (flymake-report-status nil ""))) ; "STOPPED"
 649       (flymake-report-status (format "%d/%d" err-count warn-count) ""))))
 650
 651 (defun flymake-parse-output-and-residual (output)
 652   "Split OUTPUT into lines, merge in residual if necessary."
 653   (let* ((buffer-residual     flymake-output-residual)
 654          (total-output        (if buffer-residual (concat buffer-residual output) output))
 655          (lines-and-residual  (flymake-split-output total-output))
 656          (lines               (nth 0 lines-and-residual))
 657          (new-residual        (nth 1 lines-and-residual)))
 658     (setq flymake-output-residual new-residual)
 659     (setq flymake-new-err-info
 660           (flymake-parse-err-lines
 661            flymake-new-err-info lines))))
 662
 663 (defun flymake-parse-residual ()
 664   "Parse residual if it's non empty."
 665   (when flymake-output-residual
 666     (setq flymake-new-err-info
 667           (flymake-parse-err-lines
 668            flymake-new-err-info
 669            (list flymake-output-residual)))
 670     (setq flymake-output-residual nil)))
 671
 672 (defun flymake-er-make-er (line-no line-err-info-list)
 673   (list line-no line-err-info-list))
 674
 675 (defun flymake-er-get-line (err-info)
 676   (nth 0 err-info))
 677
 678 (defun flymake-er-get-line-err-info-list (err-info)
 679   (nth 1 err-info))
 680
 681 (defstruct (flymake-ler
 682             (:constructor nil)
 683             (:constructor flymake-ler-make-ler (file line type text &optional full-file)))
 684   file line type text full-file)
 685
 686 (defun flymake-ler-set-file (line-err-info file)
 687   (flymake-ler-make-ler file
 688                         (flymake-ler-line line-err-info)
 689                         (flymake-ler-type line-err-info)
 690                         (flymake-ler-text line-err-info)
 691                         (flymake-ler-full-file line-err-info)))
 692
 693 (defun flymake-ler-set-full-file (line-err-info full-file)
 694   (flymake-ler-make-ler (flymake-ler-file line-err-info)
 695                         (flymake-ler-line line-err-info)
 696                         (flymake-ler-type line-err-info)
 697                         (flymake-ler-text line-err-info)
 698                         full-file))
 699
 700 (defun flymake-ler-set-line (line-err-info line)
 701   (flymake-ler-make-ler (flymake-ler-file line-err-info)
 702                         line
 703                         (flymake-ler-type line-err-info)
 704                         (flymake-ler-text line-err-info)
 705                         (flymake-ler-full-file line-err-info)))
 706
 707 (defun flymake-get-line-err-count (line-err-info-list type)
 708   "Return number of errors of specified TYPE.
 709 Value of TYPE is either \"e\" or \"w\"."
 710   (let* ((idx        0)
 711          (count      (length line-err-info-list))
 712          (err-count  0))
 713
 714     (while (< idx count)
 715       (when (equal type (flymake-ler-type (nth idx line-err-info-list)))
 716         (setq err-count (1+ err-count)))
 717       (setq idx (1+ idx)))
 718     err-count))
 719
 720 (defun flymake-get-err-count (err-info-list type)
 721   "Return number of errors of specified TYPE for ERR-INFO-LIST."
 722   (let* ((idx        0)
 723          (count      (length err-info-list))
 724          (err-count  0))
 725     (while (< idx count)
 726       (setq err-count (+ err-count (flymake-get-line-err-count (nth 1 (nth idx err-info-list)) type)))
 727       (setq idx (1+ idx)))
 728     err-count))
 729
 730 (defun flymake-fix-line-numbers (err-info-list min-line max-line)
 731   "Replace line numbers with fixed value.
 732 If line-numbers is less than MIN-LINE, set line numbers to MIN-LINE.
 733 If line numbers is greater than MAX-LINE, set line numbers to MAX-LINE.
 734 The reason for this fix is because some compilers might report
 735 line number outside the file being compiled."
 736   (let* ((count     (length err-info-list))
 737          (err-info  nil)
 738          (line      0))
 739     (while (> count 0)
 740       (setq err-info (nth (1- count) err-info-list))
 741       (setq line (flymake-er-get-line err-info))
 742       (when (or (< line min-line) (> line max-line))
 743         (setq line (if (< line min-line) min-line max-line))
 744         (setq err-info-list (flymake-set-at err-info-list (1- count)
 745                                             (flymake-er-make-er line
 746                                                                 (flymake-er-get-line-err-info-list err-info)))))
 747       (setq count (1- count))))
 748   err-info-list)
 749
 750 (defun flymake-highlight-err-lines (err-info-list)
 751   "Highlight error lines in BUFFER using info from ERR-INFO-LIST."
 752   (save-excursion
 753     (dolist (err err-info-list)
 754       (flymake-highlight-line (car err) (nth 1 err)))))
 755
 756 (defun flymake-overlay-p (ov)
 757   "Determine whether overlay OV was created by flymake."
 758   (and (overlayp ov) (overlay-get ov 'flymake-overlay)))
 759
 760 (defun flymake-make-overlay (beg end tooltip-text face mouse-face)
 761   "Allocate a flymake overlay in range BEG and END."
 762   (when (not (flymake-region-has-flymake-overlays beg end))
 763     (let ((ov (make-overlay beg end nil t t)))
 764       (overlay-put ov 'face           face)
 765       (overlay-put ov 'mouse-face     mouse-face)
 766       (overlay-put ov 'help-echo      tooltip-text)
 767       (overlay-put ov 'flymake-overlay  t)
 768       (overlay-put ov 'priority 100)
 769       ;;+(flymake-log 3 "created overlay %s" ov)
 770       ov)
 771     (flymake-log 3 "created an overlay at (%d-%d)" beg end)))
 772
 773 (defun flymake-delete-own-overlays ()
 774   "Delete all flymake overlays in BUFFER."
 775   (dolist (ol (overlays-in (point-min) (point-max)))
 776     (when (flymake-overlay-p ol)
 777       (delete-overlay ol)
 778       ;;+(flymake-log 3 "deleted overlay %s" ol)
 779       )))
 780
 781 (defun flymake-region-has-flymake-overlays (beg end)
 782   "Check if region specified by BEG and END has overlay.
 783 Return t if it has at least one flymake overlay, nil if no overlay."
 784   (let ((ov                  (overlays-in beg end))
 785         (has-flymake-overlays  nil))
 786     (while (consp ov)
 787       (when (flymake-overlay-p (car ov))
 788         (setq has-flymake-overlays t))
 789       (setq ov (cdr ov)))
 790     has-flymake-overlays))
 791
 792 (defface flymake-errline
 793   ;;+   '((((class color)) (:foreground "OrangeRed" :bold t :underline t))
 794   ;;+   '((((class color)) (:underline "OrangeRed"))
 795   '((((class color)) (:background "LightPink"))
 796     (t (:bold t)))
 797   "Face used for marking error lines."
 798   :group 'flymake)
 799
 800 (defface flymake-warnline
 801   '((((class color)) (:background "LightBlue2"))
 802     (t (:bold t)))
 803   "Face used for marking warning lines."
 804   :group 'flymake)
 805
 806 (defun flymake-highlight-line (line-no line-err-info-list)
 807   "Highlight line LINE-NO in current buffer.
 808 Perhaps use text from LINE-ERR-INFO-LIST to enhance highlighting."
 809   (goto-line line-no)
 810   (let* ((line-beg (flymake-line-beginning-position))
 811          (line-end (flymake-line-end-position))
 812          (beg      line-beg)
 813          (end      line-end)
 814          (tooltip-text (flymake-ler-text (nth 0 line-err-info-list)))
 815          (face     nil))
 816
 817     (goto-char line-beg)
 818     (while (looking-at "[ \t]")
 819       (forward-char))
 820
 821     (setq beg (point))
 822
 823     (goto-char line-end)
 824     (while (and (looking-at "[ \t\r\n]") (> (point) 1))
 825       (backward-char))
 826
 827     (setq end (1+ (point)))
 828
 829     (when (<= end beg)
 830       (setq beg line-beg)
 831       (setq end line-end))
 832
 833     (when (= end beg)
 834       (goto-char end)
 835       (forward-line)
 836       (setq end (point)))
 837
 838     (if (> (flymake-get-line-err-count line-err-info-list "e") 0)
 839         (setq face 'flymake-errline)
 840       (setq face 'flymake-warnline))
 841
 842     (flymake-make-overlay beg end tooltip-text face nil)))
 843
 844 (defun flymake-parse-err-lines (err-info-list lines)
 845   "Parse err LINES, store info in ERR-INFO-LIST."
 846   (let* ((count              (length lines))
 847          (idx                0)
 848          (line-err-info      nil)
 849          (real-file-name     nil)
 850          (source-file-name   buffer-file-name)
 851          (get-real-file-name-f (flymake-get-real-file-name-function source-file-name)))
 852
 853     (while (< idx count)
 854       (setq line-err-info (flymake-parse-line (nth idx lines)))
 855       (when line-err-info
 856         (setq real-file-name (funcall get-real-file-name-f
 857                                       (flymake-ler-file line-err-info)))
 858         (setq line-err-info (flymake-ler-set-full-file line-err-info real-file-name))
 859
 860         (if (flymake-same-files real-file-name source-file-name)
 861             (setq line-err-info (flymake-ler-set-file line-err-info nil))
 862           (setq line-err-info (flymake-ler-set-file line-err-info (file-name-nondirectory real-file-name))))
 863
 864         (setq err-info-list (flymake-add-err-info err-info-list line-err-info)))
 865       (flymake-log 3 "parsed '%s', %s line-err-info" (nth idx lines) (if line-err-info "got" "no"))
 866       (setq idx (1+ idx)))
 867     err-info-list))
 868
 869 (defun flymake-split-output (output)
 870   "Split OUTPUT into lines.
 871 Return last one as residual if it does not end with newline char.
 872 Returns ((LINES) RESIDUAL)."
 873   (when (and output (> (length output) 0))
 874     (let* ((lines (flymake-split-string output "[\n\r]+"))
 875            (complete (equal "\n" (char-to-string (aref output (1- (length output))))))
 876            (residual nil))
 877       (when (not complete)
 878         (setq residual (car (last lines)))
 879         (setq lines (butlast lines)))
 880       (list lines residual))))
 881
 882 (defun flymake-reformat-err-line-patterns-from-compile-el (original-list)
 883   "Grab error line patterns from ORIGINAL-LIST in compile.el format.
 884 Convert it to flymake internal format."
 885   (let* ((converted-list '()))
 886     (dolist (item original-list)
 887       (setq item (cdr item))
 888       (let ((regexp (nth 0 item))
 889             (file (nth 1 item))
 890             (line (nth 2 item))
 891             (col (nth 3 item)))
 892         (if (consp file)        (setq file (car file)))
 893         (if (consp line)        (setq line (car line)))
 894         (if (consp col) (setq col (car col)))
 895
 896         (when (not (functionp line))
 897           (setq converted-list (cons (list regexp file line col) converted-list)))))
 898     converted-list))
 899
 900 (require 'compile)
 901
 902 (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
 903   (append
 904    '(
 905      ;; MS Visual C++ 6.0
 906      ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\)) \: \\(\\(error\\|warning\\|fatal error\\) \\(C[0-9]+\\):[ \t\n]*\\(.+\\)\\)"
 907       1 3 nil 4)
 908      ;; jikes
 909      ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)\:\\([0-9]+\\)\:[0-9]+\:[0-9]+\:[0-9]+\: \\(\\(Error\\|Warning\\|Caution\\|Semantic Error\\):[ \t\n]*\\(.+\\)\\)"
 910       1 3 nil 4)
 911      ;; MS midl
 912      ("midl[ ]*:[ ]*\\(command line error .*\\)"
 913       nil nil nil 1)
 914      ;; MS C#
 915      ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\),[0-9]+)\: \\(\\(error\\|warning\\|fatal error\\) \\(CS[0-9]+\\):[ \t\n]*\\(.+\\)\\)"
 916       1 3 nil 4)
 917      ;; perl
 918      ("\\(.*\\) at \\([^ \n]+\\) line \\([0-9]+\\)[,.\n]" 2 3 nil 1)
 919      ;; LaTeX warnings (fileless) ("\\(LaTeX \\(Warning\\|Error\\): .*\\) on input line \\([0-9]+\\)" 20 3 nil 1)
 920      ;; ant/javac
 921      (" *\\(\\[javac\\] *\\)?\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)\:\\([0-9]+\\)\:[ \t\n]*\\(.+\\)"
 922       2 4 nil 5))
 923    ;; compilation-error-regexp-alist)
 924    (flymake-reformat-err-line-patterns-from-compile-el compilation-error-regexp-alist-alist))
 925   "Patterns for matching error/warning lines.  Each pattern has the form
 926 \(REGEXP FILE-IDX LINE-IDX COL-IDX ERR-TEXT-IDX).
 927 Use `flymake-reformat-err-line-patterns-from-compile-el' to add patterns
 928 from compile.el")
 929
 930 ;;(defcustom flymake-err-line-patterns
 931 ;;  '(
 932 ;;    ; MS Visual C++ 6.0
 933 ;;    ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\)) \: \\(\\(error\\|warning\\|fatal error\\) \\(C[0-9]+\\):[ \t\n]*\\(.+\\)\\)"
 934 ;;       1 3 4)
 935 ;;   ; jikes
 936 ;;   ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)\:\\([0-9]+\\)\:[0-9]+\:[0-9]+\:[0-9]+\: \\(\\(Error\\|Warning\\|Caution\\):[ \t\n]*\\(.+\\)\\)"
 937 ;;       1 3 4))
 938 ;;    "patterns for matching error/warning lines, (regexp file-idx line-idx err-text-idx)"
 939 ;;   :group 'flymake
 940 ;;   :type '(repeat (string number number number))
 941 ;;)
 942
 943 (defun flymake-parse-line (line)
 944   "Parse LINE to see if it is an error or warning.
 945 Return its components if so, nil otherwise."
 946   (let ((raw-file-name nil)
 947         (line-no 0)
 948         (err-type "e")
 949         (err-text nil)
 950         (patterns flymake-err-line-patterns)
 951         (matched nil))
 952     (while (and patterns (not matched))
 953       (when (string-match (car (car patterns)) line)
 954         (let* ((file-idx (nth 1 (car patterns)))
 955                (line-idx (nth 2 (car patterns))))
 956
 957           (setq raw-file-name (if file-idx (match-string file-idx line) nil))
 958           (setq line-no       (if line-idx (string-to-number (match-string line-idx line)) 0))
 959           (setq err-text      (if (> (length (car patterns)) 4)
 960                                   (match-string (nth 4 (car patterns)) line)
 961                                 (flymake-patch-err-text (substring line (match-end 0)))))
 962           (or err-text (setq err-text "<no error text>"))
 963           (if (and err-text (string-match "^[wW]arning" err-text))
 964               (setq err-type "w")
 965             )
 966           (flymake-log 3 "parse line: file-idx=%s line-idx=%s file=%s line=%s text=%s" file-idx line-idx
 967                        raw-file-name line-no err-text)
 968           (setq matched t)))
 969       (setq patterns (cdr patterns)))
 970     (if matched
 971         (flymake-ler-make-ler raw-file-name line-no err-type err-text)
 972       ())))
 973
 974 (defun flymake-find-err-info (err-info-list line-no)
 975   "Find (line-err-info-list pos) for specified LINE-NO."
 976   (if err-info-list
 977       (let* ((line-err-info-list  nil)
 978              (pos       0)
 979              (count     (length err-info-list)))
 980
 981         (while (and (< pos count) (< (car (nth pos err-info-list)) line-no))
 982           (setq pos (1+ pos)))
 983         (when (and (< pos count) (equal (car (nth pos err-info-list)) line-no))
 984           (setq line-err-info-list (flymake-er-get-line-err-info-list (nth pos err-info-list))))
 985         (list line-err-info-list pos))
 986     '(nil 0)))
 987
 988 (defun flymake-line-err-info-is-less-or-equal (line-one line-two)
 989   (or (string< (flymake-ler-type line-one) (flymake-ler-type line-two))
 990       (and (string= (flymake-ler-type line-one) (flymake-ler-type line-two))
 991            (not (flymake-ler-file line-one)) (flymake-ler-file line-two))
 992       (and (string= (flymake-ler-type line-one) (flymake-ler-type line-two))
 993            (or (and      (flymake-ler-file line-one)       (flymake-ler-file line-two))
 994                (and (not (flymake-ler-file line-one)) (not (flymake-ler-file line-two)))))))
 995
 996 (defun flymake-add-line-err-info (line-err-info-list line-err-info)
 997   "Update LINE-ERR-INFO-LIST with the error LINE-ERR-INFO.
 998 For the format of LINE-ERR-INFO, see `flymake-ler-make-ler'.
 999 The new element is inserted in the proper position, according to
1000 the predicate `flymake-line-err-info-is-less-or-equal'.
1001 The updated value of LINE-ERR-INFO-LIST is returned."
1002   (if (not line-err-info-list)
1003       (list line-err-info)
1004     (let* ((count  (length line-err-info-list))
1005            (idx    0))
1006       (while (and (< idx count) (flymake-line-err-info-is-less-or-equal (nth idx line-err-info-list) line-err-info))
1007         (setq idx (1+ idx)))
1008       (cond ((equal 0     idx)    (setq line-err-info-list (cons line-err-info line-err-info-list)))
1009             (t                    (setq line-err-info-list (flymake-ins-after line-err-info-list (1- idx) line-err-info))))
1010       line-err-info-list)))
1011
1012 (defun flymake-add-err-info (err-info-list line-err-info)
1013   "Update ERR-INFO-LIST with the error LINE-ERR-INFO, preserving sort order.
1014 Returns the updated value of ERR-INFO-LIST.
1015 For the format of ERR-INFO-LIST, see `flymake-err-info'.
1016 For the format of LINE-ERR-INFO, see `flymake-ler-make-ler'."
1017   (let* ((line-no             (if (flymake-ler-file line-err-info) 1 (flymake-ler-line line-err-info)))
1018          (info-and-pos        (flymake-find-err-info err-info-list line-no))
1019          (exists              (car info-and-pos))
1020          (pos                 (nth 1 info-and-pos))
1021          (line-err-info-list  nil)
1022          (err-info            nil))
1023
1024     (if exists
1025         (setq line-err-info-list (flymake-er-get-line-err-info-list (car (nthcdr pos err-info-list)))))
1026     (setq line-err-info-list (flymake-add-line-err-info line-err-info-list line-err-info))
1027
1028     (setq err-info (flymake-er-make-er line-no line-err-info-list))
1029     (cond (exists             (setq err-info-list (flymake-set-at err-info-list pos err-info)))
1030           ((equal 0 pos)      (setq err-info-list (cons err-info err-info-list)))
1031           (t                  (setq err-info-list (flymake-ins-after err-info-list (1- pos) err-info))))
1032     err-info-list))
1033
1034 (defun flymake-get-project-include-dirs-imp (basedir)
1035   "Include dirs for the project current file belongs to."
1036   (if (flymake-get-project-include-dirs-from-cache basedir)
1037       (progn
1038         (flymake-get-project-include-dirs-from-cache basedir))
1039     ;;else
1040     (let* ((command-line  (concat "make -C "
1041                                   (shell-quote-argument basedir)
1042                                   " DUMPVARS=INCLUDE_DIRS dumpvars"))
1043            (output        (shell-command-to-string command-line))
1044            (lines         (flymake-split-string output "\n"))
1045            (count         (length lines))
1046            (idx           0)
1047            (inc-dirs      nil))
1048       (while (and (< idx count) (not (string-match "^INCLUDE_DIRS=.*" (nth idx lines))))
1049         (setq idx (1+ idx)))
1050       (when (< idx count)
1051         (let* ((inc-lines  (flymake-split-string (nth idx lines) " *-I"))
1052                (inc-count  (length inc-lines)))
1053           (while (> inc-count 0)
1054             (when (not (string-match "^INCLUDE_DIRS=.*" (nth (1- inc-count) inc-lines)))
1055               (push (flymake-replace-regexp-in-string "\"" "" (nth (1- inc-count) inc-lines)) inc-dirs))
1056             (setq inc-count (1- inc-count)))))
1057       (flymake-add-project-include-dirs-to-cache basedir inc-dirs)
1058       inc-dirs)))
1059
1060 (defcustom flymake-get-project-include-dirs-function 'flymake-get-project-include-dirs-imp
1061   "Function used to get project include dirs, one parameter: basedir name."
1062   :group 'flymake
1063   :type 'function)
1064
1065 (defun flymake-get-project-include-dirs (basedir)
1066   (funcall flymake-get-project-include-dirs-function basedir))
1067
1068 (defun flymake-get-system-include-dirs ()
1069   "System include dirs - from the 'INCLUDE' env setting."
1070   (let* ((includes (getenv "INCLUDE")))
1071     (if includes (flymake-split-string includes path-separator) nil)))
1072
1073 (defvar flymake-project-include-dirs-cache (flymake-makehash 'equal))
1074
1075 (defun flymake-get-project-include-dirs-from-cache (base-dir)
1076   (gethash base-dir flymake-project-include-dirs-cache))
1077
1078 (defun flymake-add-project-include-dirs-to-cache (base-dir include-dirs)
1079   (puthash base-dir include-dirs flymake-project-include-dirs-cache))
1080
1081 (defun flymake-clear-project-include-dirs-cache ()
1082   (clrhash flymake-project-include-dirs-cache))
1083
1084 (defun flymake-get-include-dirs (base-dir)
1085   "Get dirs to use when resolving local file names."
1086   (let* ((include-dirs (append '(".") (flymake-get-project-include-dirs base-dir) (flymake-get-system-include-dirs))))
1087     include-dirs))
1088
1089 ;; (defun flymake-restore-formatting ()
1090 ;;   "Remove any formatting made by flymake."
1091 ;;   )
1092
1093 ;; (defun flymake-get-program-dir (buffer)
1094 ;;   "Get dir to start program in."
1095 ;;   (unless (bufferp buffer)
1096 ;;     (error "Invalid buffer"))
1097 ;;   (with-current-buffer buffer
1098 ;;     default-directory))
1099
1100 (defun flymake-safe-delete-file (file-name)
1101   (when (and file-name (file-exists-p file-name))
1102     (delete-file file-name)
1103     (flymake-log 1 "deleted file %s" file-name)))
1104
1105 (defun flymake-safe-delete-directory (dir-name)
1106   (condition-case err
1107       (progn
1108         (delete-directory dir-name)
1109         (flymake-log 1 "deleted dir %s" dir-name))
1110     (error
1111      (flymake-log 1 "Failed to delete dir %s, error ignored" dir-name))))
1112
1113 (defcustom flymake-compilation-prevents-syntax-check t
1114   "If non-nil, syntax check won't be started in case compilation is running."
1115   :group 'flymake
1116   :type 'boolean)
1117
1118 (defun flymake-start-syntax-check ()
1119   "Start syntax checking for current buffer."
1120   (interactive)
1121   (flymake-log 3 "flymake is running: %s" flymake-is-running)
1122   (when (and (not flymake-is-running)
1123              (flymake-can-syntax-check-file buffer-file-name))
1124     (when (or (not flymake-compilation-prevents-syntax-check)
1125               (not (flymake-compilation-is-running))) ;+ (flymake-rep-ort-status buffer "COMP")
1126       (flymake-clear-buildfile-cache)
1127       (flymake-clear-project-include-dirs-cache)
1128
1129       (setq flymake-check-was-interrupted nil)
1130
1131       (let* ((source-file-name  buffer-file-name)
1132              (init-f (flymake-get-init-function source-file-name))
1133              (cleanup-f (flymake-get-cleanup-function source-file-name))
1134              (cmd-and-args (funcall init-f))
1135              (cmd          (nth 0 cmd-and-args))
1136              (args         (nth 1 cmd-and-args))
1137              (dir          (nth 2 cmd-and-args)))
1138         (if (not cmd-and-args)
1139             (progn
1140               (flymake-log 0 "init function %s for %s failed, cleaning up" init-f source-file-name)
1141               (funcall cleanup-f))
1142           (progn
1143             (setq flymake-last-change-time nil)
1144             (flymake-start-syntax-check-process cmd args dir)))))))
1145
1146 (defun flymake-start-syntax-check-process (cmd args dir)
1147   "Start syntax check process."
1148   (let* ((process nil))
1149     (condition-case err
1150         (progn
1151           (when dir
1152             (let ((default-directory dir))
1153               (flymake-log 3 "starting process on dir %s" default-directory)))
1154           (setq process (apply 'start-process "flymake-proc" (current-buffer) cmd args))
1155           (set-process-sentinel process 'flymake-process-sentinel)
1156           (set-process-filter process 'flymake-process-filter)
1157           (push process flymake-processes)
1158
1159           (setq flymake-is-running t)
1160           (setq flymake-last-change-time nil)
1161           (setq flymake-check-start-time (flymake-float-time))
1162
1163           (flymake-report-status nil "*")
1164           (flymake-log 2 "started process %d, command=%s, dir=%s"
1165                        (process-id process) (process-command process)
1166                        default-directory)
1167           process)
1168       (error
1169        (let* ((err-str (format "Failed to launch syntax check process '%s' with args %s: %s"
1170                                cmd args (error-message-string err)))
1171               (source-file-name buffer-file-name)
1172               (cleanup-f        (flymake-get-cleanup-function source-file-name)))
1173          (flymake-log 0 err-str)
1174          (funcall cleanup-f)
1175          (flymake-report-fatal-status "PROCERR" err-str))))))
1176
1177 (defun flymake-kill-process (proc)
1178   "Kill process PROC."
1179   (kill-process proc)
1180   (let* ((buf (process-buffer proc)))
1181     (when (buffer-live-p buf)
1182       (with-current-buffer buf
1183         (setq flymake-check-was-interrupted t))))
1184   (flymake-log 1 "killed process %d" (process-id proc)))
1185
1186 (defun flymake-stop-all-syntax-checks ()
1187   "Kill all syntax check processes."
1188   (interactive)
1189   (while flymake-processes
1190     (flymake-kill-process (pop flymake-processes))))
1191
1192 (defun flymake-compilation-is-running ()
1193   (and (boundp 'compilation-in-progress)
1194        compilation-in-progress))
1195
1196 (defun flymake-compile ()
1197   "Kill all flymake syntax checks, start compilation."
1198   (interactive)
1199   (flymake-stop-all-syntax-checks)
1200   (call-interactively 'compile))
1201
1202 (defcustom flymake-no-changes-timeout 0.5
1203   "Time to wait after last change before starting compilation."
1204   :group 'flymake
1205   :type 'number)
1206
1207 (defun flymake-on-timer-event (buffer)
1208   "Start a syntax check for buffer BUFFER if necessary."
1209   (when (buffer-live-p buffer)
1210     (with-current-buffer buffer
1211       (when (and (not flymake-is-running)
1212                  flymake-last-change-time
1213                  (> (- (flymake-float-time) flymake-last-change-time)
1214                     flymake-no-changes-timeout))
1215
1216         (setq flymake-last-change-time nil)
1217         (flymake-log 3 "starting syntax check as more than 1 second passed since last change")
1218         (flymake-start-syntax-check)))))
1219
1220 (defun flymake-current-line-no ()
1221   "Return number of current line in current buffer."
1222   (count-lines (point-min) (if (eobp) (point) (1+ (point)))))
1223
1224 (defun flymake-count-lines ()
1225   "Return number of lines in buffer BUFFER."
1226   (count-lines (point-min) (point-max)))
1227
1228 (defun flymake-display-err-menu-for-current-line ()
1229   "Display a menu with errors/warnings for current line if it has errors and/or warnings."
1230   (interactive)
1231   (let* ((line-no             (flymake-current-line-no))
1232          (line-err-info-list  (nth 0 (flymake-find-err-info flymake-err-info line-no)))
1233          (menu-data           (flymake-make-err-menu-data line-no line-err-info-list))
1234          (choice              nil))
1235     (if menu-data
1236         (progn
1237           (setq choice (flymake-popup-menu menu-data))
1238           (flymake-log 3 "choice=%s" choice)
1239           (when choice
1240             (eval choice)))
1241       (flymake-log 1 "no errors for line %d" line-no))))
1242
1243 (defun flymake-make-err-menu-data (line-no line-err-info-list)
1244   "Make a (menu-title (item-title item-action)*) list with errors/warnings from LINE-ERR-INFO-LIST."
1245   (let* ((menu-items  nil))
1246     (when line-err-info-list
1247       (let* ((count           (length line-err-info-list))
1248              (menu-item-text  nil))
1249         (while (> count 0)
1250           (setq menu-item-text (flymake-ler-text (nth (1- count) line-err-info-list)))
1251           (let* ((file       (flymake-ler-file (nth (1- count) line-err-info-list)))
1252                  (full-file  (flymake-ler-full-file (nth (1- count) line-err-info-list)))
1253                  (line       (flymake-ler-line (nth (1- count) line-err-info-list))))
1254             (if file
1255                 (setq menu-item-text (concat menu-item-text " - " file "(" (format "%d" line) ")")))
1256             (setq menu-items (cons (list menu-item-text
1257                                          (if file (list 'flymake-goto-file-and-line full-file line) nil))
1258                                    menu-items)))
1259           (setq count (1- count)))
1260         (flymake-log 3 "created menu-items with %d item(s)" (length menu-items))))
1261     (if menu-items
1262         (let* ((menu-title  (format "Line %d: %d error(s), %d warning(s)" line-no
1263                                     (flymake-get-line-err-count line-err-info-list "e")
1264                                     (flymake-get-line-err-count line-err-info-list "w"))))
1265           (list menu-title menu-items))
1266       nil)))
1267
1268 (defun flymake-goto-file-and-line (file line)
1269   "Try to get buffer for FILE and goto line LINE in it."
1270   (if (not (file-exists-p file))
1271       (flymake-log 1 "file %s does not exists" file)
1272     (progn
1273       (find-file file)
1274       (goto-line line))))
1275
1276 ;; flymake minor mode declarations
1277 (defvar flymake-mode-line nil)
1278
1279 (make-variable-buffer-local 'flymake-mode-line)
1280
1281 (defvar flymake-mode-line-e-w nil)
1282
1283 (make-variable-buffer-local 'flymake-mode-line-e-w)
1284
1285 (defvar flymake-mode-line-status nil)
1286
1287 (make-variable-buffer-local 'flymake-mode-line-status)
1288
1289 (defun flymake-report-status (e-w &optional status)
1290   "Show status in mode line."
1291   (when e-w
1292     (setq flymake-mode-line-e-w e-w))
1293   (when status
1294     (setq flymake-mode-line-status status))
1295   (let* ((mode-line " Flymake"))
1296     (when (> (length flymake-mode-line-e-w) 0)
1297       (setq mode-line (concat mode-line ":" flymake-mode-line-e-w)))
1298     (setq mode-line (concat mode-line flymake-mode-line-status))
1299     (setq flymake-mode-line mode-line)
1300     (force-mode-line-update)))
1301
1302 (defun flymake-display-warning (warning)
1303   "Display a warning to user."
1304   (message-box warning))
1305
1306 (defcustom flymake-gui-warnings-enabled t
1307   "Enables/disables GUI warnings."
1308   :group 'flymake
1309   :type 'boolean)
1310
1311 (defun flymake-report-fatal-status (status warning)
1312   "Display a warning and switch flymake mode off."
1313   (when flymake-gui-warnings-enabled
1314     (flymake-display-warning (format "Flymake: %s. Flymake will be switched OFF" warning))
1315     )
1316   (flymake-mode 0)
1317   (flymake-log 0 "switched OFF Flymake mode for buffer %s due to fatal status %s, warning %s"
1318                (buffer-name) status warning))
1319
1320 (defcustom flymake-start-syntax-check-on-find-file t
1321   "Start syntax check on find file."
1322   :group 'flymake
1323   :type 'boolean)
1324
1325 ;;;###autoload
1326 (define-minor-mode flymake-mode
1327   "Minor mode to do on-the-fly syntax checking.
1328 When called interactively, toggles the minor mode.
1329 With arg, turn Flymake mode on if and only if arg is positive."
1330   :group 'flymake :lighter flymake-mode-line
1331   (cond
1332
1333    ;; Turning the mode ON.
1334    (flymake-mode
1335     (if (not (flymake-can-syntax-check-file buffer-file-name))
1336         (flymake-log 2 "flymake cannot check syntax in buffer %s" (buffer-name))
1337       (add-hook 'after-change-functions 'flymake-after-change-function nil t)
1338       (add-hook 'after-save-hook 'flymake-after-save-hook nil t)
1339       (add-hook 'kill-buffer-hook 'flymake-kill-buffer-hook nil t)
1340       ;;+(add-hook 'find-file-hook 'flymake-find-file-hook)
1341
1342       (flymake-report-status "" "")
1343
1344       (setq flymake-timer
1345             (run-at-time nil 1 'flymake-on-timer-event (current-buffer)))
1346
1347       (when flymake-start-syntax-check-on-find-file
1348         (flymake-start-syntax-check))))
1349
1350    ;; Turning the mode OFF.
1351    (t
1352     (remove-hook 'after-change-functions 'flymake-after-change-function t)
1353     (remove-hook 'after-save-hook 'flymake-after-save-hook t)
1354     (remove-hook 'kill-buffer-hook 'flymake-kill-buffer-hook t)
1355     ;;+(remove-hook 'find-file-hook (function flymake-find-file-hook) t)
1356
1357     (flymake-delete-own-overlays)
1358
1359     (when flymake-timer
1360       (cancel-timer flymake-timer)
1361       (setq flymake-timer nil))
1362
1363     (setq flymake-is-running nil))))
1364
1365 ;;;###autoload
1366 (defun flymake-mode-on ()
1367   "Turn flymake mode on."
1368   (flymake-mode 1)
1369   (flymake-log 1 "flymake mode turned ON for buffer %s" (buffer-name)))
1370
1371 ;;;###autoload
1372 (defun flymake-mode-off ()
1373   "Turn flymake mode off."
1374   (flymake-mode 0)
1375   (flymake-log 1 "flymake mode turned OFF for buffer %s" (buffer-name)))
1376
1377 (defcustom flymake-start-syntax-check-on-newline t
1378   "Start syntax check if newline char was added/removed from the buffer."
1379   :group 'flymake
1380   :type 'boolean)
1381
1382 (defun flymake-after-change-function (start stop len)
1383   "Start syntax check for current buffer if it isn't already running."
1384   ;;+(flymake-log 0 "setting change time to %s" (flymake-float-time))
1385   (let((new-text (buffer-substring start stop)))
1386     (when (and flymake-start-syntax-check-on-newline (equal new-text "\n"))
1387       (flymake-log 3 "starting syntax check as new-line has been seen")
1388       (flymake-start-syntax-check))
1389     (setq flymake-last-change-time (flymake-float-time))))
1390
1391 (defun flymake-after-save-hook ()
1392   (if (local-variable-p 'flymake-mode (current-buffer)) ; (???) other way to determine whether flymake is active in buffer being saved?
1393       (progn
1394         (flymake-log 3 "starting syntax check as buffer was saved")
1395         (flymake-start-syntax-check)))) ; no more mode 3. cannot start check if mode 3 (to temp copies) is active - (???)
1396
1397 (defun flymake-kill-buffer-hook ()
1398   (when flymake-timer
1399     (cancel-timer flymake-timer)
1400     (setq flymake-timer nil)))
1401
1402 (defun flymake-find-file-hook ()
1403   ;;+(when flymake-start-syntax-check-on-find-file
1404   ;;+    (flymake-log 3 "starting syntax check on file open")
1405   ;;+    (flymake-start-syntax-check)
1406   ;;+)
1407   (when (and (not (local-variable-p 'flymake-mode (current-buffer)))
1408              (flymake-can-syntax-check-file buffer-file-name))
1409     (flymake-mode)
1410     (flymake-log 3 "automatically turned ON flymake mode")))
1411
1412 (defun flymake-get-first-err-line-no (err-info-list)
1413   "Return first line with error."
1414   (when err-info-list
1415     (flymake-er-get-line (car err-info-list))))
1416
1417 (defun flymake-get-last-err-line-no (err-info-list)
1418   "Return last line with error."
1419   (when err-info-list
1420     (flymake-er-get-line (nth (1- (length err-info-list)) err-info-list))))
1421
1422 (defun flymake-get-next-err-line-no (err-info-list line-no)
1423   "Return next line with error."
1424   (when err-info-list
1425     (let* ((count  (length err-info-list))
1426            (idx    0))
1427       (while (and (< idx count) (>= line-no (flymake-er-get-line (nth idx err-info-list))))
1428         (setq idx (1+ idx)))
1429       (if (< idx count)
1430           (flymake-er-get-line (nth idx err-info-list))))))
1431
1432 (defun flymake-get-prev-err-line-no (err-info-list line-no)
1433   "Return previous line with error."
1434   (when err-info-list
1435     (let* ((count (length err-info-list)))
1436       (while (and (> count 0) (<= line-no (flymake-er-get-line (nth (1- count) err-info-list))))
1437         (setq count (1- count)))
1438       (if (> count 0)
1439           (flymake-er-get-line (nth (1- count) err-info-list))))))
1440
1441 (defun flymake-skip-whitespace ()
1442   "Move forward until non-whitespace is reached."
1443   (while (looking-at "[ \t]")
1444     (forward-char)))
1445
1446 (defun flymake-goto-line (line-no)
1447   "Go to line LINE-NO, then skip whitespace."
1448   (goto-line line-no)
1449   (flymake-skip-whitespace))
1450
1451 (defun flymake-goto-next-error ()
1452   "Go to next error in err ring."
1453   (interactive)
1454   (let ((line-no (flymake-get-next-err-line-no flymake-err-info (flymake-current-line-no))))
1455     (when (not line-no)
1456       (setq line-no (flymake-get-first-err-line-no flymake-err-info))
1457       (flymake-log 1 "passed end of file"))
1458     (if line-no
1459         (flymake-goto-line line-no)
1460       (flymake-log 1 "no errors in current buffer"))))
1461
1462 (defun flymake-goto-prev-error ()
1463   "Go to previous error in err ring."
1464   (interactive)
1465   (let ((line-no (flymake-get-prev-err-line-no flymake-err-info (flymake-current-line-no))))
1466     (when (not line-no)
1467       (setq line-no (flymake-get-last-err-line-no flymake-err-info))
1468       (flymake-log 1 "passed beginning of file"))
1469     (if line-no
1470         (flymake-goto-line line-no)
1471       (flymake-log 1 "no errors in current buffer"))))
1472
1473 (defun flymake-patch-err-text (string)
1474   (if (string-match "^[\n\t :0-9]*\\(.*\\)$" string)
1475       (match-string 1 string)
1476     string))
1477
1478 ;;;; general init-cleanup and helper routines
1479 (defun flymake-create-temp-inplace (file-name prefix)
1480   (unless (stringp file-name)
1481     (error "Invalid file-name"))
1482   (or prefix
1483       (setq prefix "flymake"))
1484   (let* ((temp-name   (concat (file-name-sans-extension file-name)
1485                               "_" prefix
1486                               (and (file-name-extension file-name)
1487                                    (concat "." (file-name-extension file-name))))))
1488     (flymake-log 3 "create-temp-inplace: file=%s temp=%s" file-name temp-name)
1489     temp-name))
1490
1491 (defun flymake-create-temp-with-folder-structure (file-name prefix)
1492   (unless (stringp file-name)
1493     (error "Invalid file-name"))
1494
1495   (let* ((dir       (file-name-directory file-name))
1496          ;; Not sure what this slash-pos is all about, but I guess it's just
1497          ;; trying to remove the leading / of absolute file names.
1498          (slash-pos (string-match "/" dir))
1499          (temp-dir  (expand-file-name (substring dir (1+ slash-pos))
1500                                       (flymake-get-temp-dir))))
1501
1502     (file-truename (expand-file-name (file-name-nondirectory file-name)
1503                                      temp-dir))))
1504
1505 (defun flymake-delete-temp-directory (dir-name)
1506   "Attempt to delete temp dir created by `flymake-create-temp-with-folder-structure', do not fail on error."
1507   (let* ((temp-dir    (flymake-get-temp-dir))
1508          (suffix      (substring dir-name (1+ (length temp-dir)))))
1509
1510     (while (> (length suffix) 0)
1511       (setq suffix (directory-file-name suffix))
1512       ;;+(flymake-log 0 "suffix=%s" suffix)
1513       (flymake-safe-delete-directory
1514        (file-truename (expand-file-name suffix temp-dir)))
1515       (setq suffix (file-name-directory suffix)))))
1516
1517 (defvar flymake-temp-source-file-name nil)
1518 (make-variable-buffer-local 'flymake-temp-source-file-name)
1519
1520 (defvar flymake-master-file-name nil)
1521 (make-variable-buffer-local 'flymake-master-file-name)
1522
1523 (defvar flymake-temp-master-file-name nil)
1524 (make-variable-buffer-local 'flymake-temp-master-file-name)
1525
1526 (defvar flymake-base-dir nil)
1527 (make-variable-buffer-local 'flymake-base-dir)
1528
1529 (defun flymake-init-create-temp-buffer-copy (create-temp-f)
1530   "Make a temporary copy of the current buffer, save its name in buffer data and return the name."
1531   (let*  ((source-file-name       buffer-file-name)
1532           (temp-source-file-name  (funcall create-temp-f source-file-name "flymake")))
1533
1534     (flymake-save-buffer-in-file temp-source-file-name)
1535     (setq flymake-temp-source-file-name temp-source-file-name)
1536     temp-source-file-name))
1537
1538 (defun flymake-simple-cleanup ()
1539   "Do cleanup after `flymake-init-create-temp-buffer-copy'.
1540 Delete temp file."
1541   (flymake-safe-delete-file flymake-temp-source-file-name)
1542   (setq flymake-last-change-time nil))
1543
1544 (defun flymake-get-real-file-name (file-name-from-err-msg)
1545   "Translate file name from error message to \"real\" file name.
1546 Return full-name.  Names are real, not patched."
1547   (let* ((real-name             nil)
1548          (source-file-name      buffer-file-name)
1549          (master-file-name      flymake-master-file-name)
1550          (temp-source-file-name flymake-temp-source-file-name)
1551          (temp-master-file-name flymake-temp-master-file-name)
1552          (base-dirs
1553           (list flymake-base-dir
1554                 (file-name-directory source-file-name)
1555                 (if master-file-name (file-name-directory master-file-name))))
1556          (files (list (list source-file-name       source-file-name)
1557                       (list temp-source-file-name  source-file-name)
1558                       (list master-file-name       master-file-name)
1559                       (list temp-master-file-name  master-file-name))))
1560
1561     (when (equal 0 (length file-name-from-err-msg))
1562       (setq file-name-from-err-msg source-file-name))
1563
1564     (setq real-name (flymake-get-full-patched-file-name file-name-from-err-msg base-dirs files))
1565     ;; if real-name is nil, than file name from err msg is none of the files we've patched
1566     (if (not real-name)
1567         (setq real-name (flymake-get-full-nonpatched-file-name file-name-from-err-msg base-dirs)))
1568     (if (not real-name)
1569         (setq real-name file-name-from-err-msg))
1570     (setq real-name (flymake-fix-file-name real-name))
1571     (flymake-log 3 "get-real-file-name: file-name=%s real-name=%s" file-name-from-err-msg real-name)
1572     real-name))
1573
1574 (defun flymake-get-full-patched-file-name (file-name-from-err-msg base-dirs files)
1575   (let* ((base-dirs-count  (length base-dirs))
1576          (file-count       (length files))
1577          (real-name        nil))
1578
1579     (while (and (not real-name) (> base-dirs-count 0))
1580       (setq file-count (length files))
1581       (while (and (not real-name) (> file-count 0))
1582         (let* ((this-dir        (nth (1- base-dirs-count) base-dirs))
1583                (this-file       (nth 0 (nth (1- file-count) files)))
1584                (this-real-name  (nth 1 (nth (1- file-count) files))))
1585           ;;+(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)
1586           (when (and this-dir this-file (flymake-same-files
1587                                          (expand-file-name file-name-from-err-msg this-dir)
1588                                          this-file))
1589             (setq real-name this-real-name)))
1590         (setq file-count (1- file-count)))
1591       (setq base-dirs-count (1- base-dirs-count)))
1592     real-name))
1593
1594 (defun flymake-get-full-nonpatched-file-name (file-name-from-err-msg base-dirs)
1595   (let* ((real-name  nil))
1596     (if (file-name-absolute-p file-name-from-err-msg)
1597         (setq real-name file-name-from-err-msg)
1598       (let* ((base-dirs-count  (length base-dirs)))
1599         (while (and (not real-name) (> base-dirs-count 0))
1600           (let* ((full-name (expand-file-name file-name-from-err-msg
1601                                               (nth (1- base-dirs-count) base-dirs))))
1602             (if (file-exists-p full-name)
1603                 (setq real-name full-name))
1604             (setq base-dirs-count (1- base-dirs-count))))))
1605     real-name))
1606
1607 (defun flymake-init-find-buildfile-dir (source-file-name buildfile-name)
1608   "Find buildfile, store its dir in buffer data and return its dir, if found."
1609   (let* ((buildfile-dir
1610           (flymake-find-buildfile buildfile-name
1611                                   (file-name-directory source-file-name))))
1612     (if buildfile-dir
1613         (setq flymake-base-dir buildfile-dir)
1614       (flymake-log 1 "no buildfile (%s) for %s" buildfile-name source-file-name)
1615       (flymake-report-fatal-status
1616        "NOMK" (format "No buildfile (%s) found for %s"
1617                       buildfile-name source-file-name)))))
1618
1619 (defun flymake-init-create-temp-source-and-master-buffer-copy (get-incl-dirs-f create-temp-f master-file-masks include-regexp)
1620   "Find master file (or buffer), create its copy along with a copy of the source file."
1621   (let* ((source-file-name       buffer-file-name)
1622          (temp-source-file-name  (flymake-init-create-temp-buffer-copy create-temp-f))
1623          (master-and-temp-master (flymake-create-master-file
1624                                   source-file-name temp-source-file-name
1625                                   get-incl-dirs-f create-temp-f
1626                                   master-file-masks include-regexp)))
1627
1628     (if (not master-and-temp-master)
1629         (progn
1630           (flymake-log 1 "cannot find master file for %s" source-file-name)
1631           (flymake-report-status "!" "")        ; NOMASTER
1632           nil)
1633       (setq flymake-master-file-name (nth 0 master-and-temp-master))
1634       (setq flymake-temp-master-file-name (nth 1 master-and-temp-master)))))
1635
1636 (defun flymake-master-cleanup ()
1637   (flymake-simple-cleanup)
1638   (flymake-safe-delete-file flymake-temp-master-file-name))
1639
1640 ;;;; make-specific init-cleanup routines
1641 (defun flymake-get-syntax-check-program-args (source-file-name base-dir use-relative-base-dir use-relative-source get-cmd-line-f)
1642   "Create a command line for syntax check using GET-CMD-LINE-F."
1643   (funcall get-cmd-line-f
1644            (if use-relative-source
1645                (file-relative-name source-file-name base-dir)
1646              source-file-name)
1647            (if use-relative-base-dir
1648                (file-relative-name base-dir
1649                                    (file-name-directory source-file-name))
1650              base-dir)))
1651
1652 (defun flymake-get-make-cmdline (source base-dir)
1653   (list "make"
1654         (list "-s"
1655               "-C"
1656               base-dir
1657               (concat "CHK_SOURCES=" source)
1658               "SYNTAX_CHECK_MODE=1"
1659               "check-syntax")))
1660
1661 (defun flymake-get-ant-cmdline (source base-dir)
1662   (list "ant"
1663         (list "-buildfile"
1664               (concat base-dir "/" "build.xml")
1665               (concat "-DCHK_SOURCES=" source)
1666               "check-syntax")))
1667
1668 (defun flymake-simple-make-init-impl (create-temp-f use-relative-base-dir use-relative-source build-file-name get-cmdline-f)
1669   "Create syntax check command line for a directly checked source file.
1670 Use CREATE-TEMP-F for creating temp copy."
1671   (let* ((args nil)
1672          (source-file-name   buffer-file-name)
1673          (buildfile-dir      (flymake-init-find-buildfile-dir source-file-name build-file-name)))
1674     (if buildfile-dir
1675         (let* ((temp-source-file-name  (flymake-init-create-temp-buffer-copy create-temp-f)))
1676           (setq args (flymake-get-syntax-check-program-args temp-source-file-name buildfile-dir
1677                                                             use-relative-base-dir use-relative-source
1678                                                             get-cmdline-f))))
1679     args))
1680
1681 (defun flymake-simple-make-init ()
1682   (flymake-simple-make-init-impl 'flymake-create-temp-inplace t t "Makefile" 'flymake-get-make-cmdline))
1683
1684 (defun flymake-master-make-init (get-incl-dirs-f master-file-masks include-regexp)
1685   "Create make command line for a source file checked via master file compilation."
1686   (let* ((make-args nil)
1687          (temp-master-file-name (flymake-init-create-temp-source-and-master-buffer-copy
1688                                  get-incl-dirs-f 'flymake-create-temp-inplace
1689                                  master-file-masks include-regexp)))
1690     (when temp-master-file-name
1691       (let* ((buildfile-dir (flymake-init-find-buildfile-dir temp-master-file-name "Makefile")))
1692         (if  buildfile-dir
1693             (setq make-args (flymake-get-syntax-check-program-args
1694                              temp-master-file-name buildfile-dir nil nil 'flymake-get-make-cmdline)))))
1695     make-args))
1696
1697 (defun flymake-find-make-buildfile (source-dir)
1698   (flymake-find-buildfile "Makefile" source-dir))
1699
1700 ;;;; .h/make specific
1701 (defun flymake-master-make-header-init ()
1702   (flymake-master-make-init 'flymake-get-include-dirs
1703                             '("\\.cpp\\'" "\\.c\\'")
1704                             "[ \t]*#[ \t]*include[ \t]*\"\\([[:word:]0-9/\\_.]*%s\\)\""))
1705
1706 ;;;; .java/make specific
1707 (defun flymake-simple-make-java-init ()
1708   (flymake-simple-make-init-impl 'flymake-create-temp-with-folder-structure nil nil "Makefile" 'flymake-get-make-cmdline))
1709
1710 (defun flymake-simple-ant-java-init ()
1711   (flymake-simple-make-init-impl 'flymake-create-temp-with-folder-structure nil nil "build.xml" 'flymake-get-ant-cmdline))
1712
1713 (defun flymake-simple-java-cleanup ()
1714   "Cleanup after `flymake-simple-make-java-init' -- delete temp file and dirs."
1715   (flymake-safe-delete-file flymake-temp-source-file-name)
1716   (when flymake-temp-source-file-name
1717     (flymake-delete-temp-directory
1718      (file-name-directory flymake-temp-source-file-name))))
1719
1720 ;;;; perl-specific init-cleanup routines
1721 (defun flymake-perl-init ()
1722   (let* ((temp-file   (flymake-init-create-temp-buffer-copy
1723                        'flymake-create-temp-inplace))
1724          (local-file  (file-relative-name
1725                        temp-file
1726                        (file-name-directory buffer-file-name))))
1727     (list "perl" (list "-wc " local-file))))
1728
1729 ;;;; tex-specific init-cleanup routines
1730 (defun flymake-get-tex-args (file-name)
1731   ;;(list "latex" (list "-c-style-errors" file-name))
1732   (list "texify" (list "--pdf" "--tex-option=-c-style-errors" file-name)))
1733
1734 (defun flymake-simple-tex-init ()
1735   (flymake-get-tex-args (flymake-init-create-temp-buffer-copy 'flymake-create-temp-inplace)))
1736
1737 (defun flymake-master-tex-init ()
1738   (let* ((temp-master-file-name (flymake-init-create-temp-source-and-master-buffer-copy
1739                                  'flymake-get-include-dirs-dot 'flymake-create-temp-inplace
1740                                  '("\\.tex\\'")
1741                                  "[ \t]*\\input[ \t]*{\\(.*%s\\)}")))
1742     (when temp-master-file-name
1743       (flymake-get-tex-args temp-master-file-name))))
1744
1745 (defun flymake-get-include-dirs-dot (base-dir)
1746   '("."))
1747
1748 ;;;; xml-specific init-cleanup routines
1749 (defun flymake-xml-init ()
1750   (list "xml" (list "val" (flymake-init-create-temp-buffer-copy 'flymake-create-temp-inplace))))
1751
1752 (provide 'flymake)
1753
1754 ;; arch-tag: 8f0d6090-061d-4cac-8862-7c151c4a02dd
1755 ;;; flymake.el ends here