code.delx.au - gnu-emacs/blob - lisp/progmodes/flymake.el

   1 ;;; flymake.el -- a universal on-the-fly syntax checker
   2
   3 ;; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
   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 of the License, or
  16 ;; (at your option) 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.  If not, see <http://www.gnu.org/licenses/>.
  25
  26 ;;; Commentary:
  27 ;;
  28 ;; Flymake is a minor Emacs mode performing on-the-fly syntax
  29 ;; checks using the external syntax check tool (for C/C++ this
  30 ;; is usually the compiler)
  31
  32 ;;; Bugs/todo:
  33
  34 ;; - Only uses "Makefile", not "makefile" or "GNUmakefile"
  35 ;;   (from http://bugs.debian.org/337339).
  36
  37 ;;; Code:
  38
  39 (eval-when-compile (require 'cl))
  40 (if (featurep 'xemacs) (require 'overlay))
  41
  42 (defvar flymake-is-running nil
  43   "If t, flymake syntax check process is running for the current buffer.")
  44 (make-variable-buffer-local 'flymake-is-running)
  45
  46 (defvar flymake-timer nil
  47   "Timer for starting syntax check.")
  48 (make-variable-buffer-local 'flymake-timer)
  49
  50 (defvar flymake-last-change-time nil
  51   "Time of last buffer change.")
  52 (make-variable-buffer-local 'flymake-last-change-time)
  53
  54 (defvar flymake-check-start-time nil
  55   "Time at which syntax check was started.")
  56 (make-variable-buffer-local 'flymake-check-start-time)
  57
  58 (defvar flymake-check-was-interrupted nil
  59   "Non-nil if syntax check was killed by `flymake-compile'.")
  60 (make-variable-buffer-local 'flymake-check-was-interrupted)
  61
  62 (defvar flymake-err-info nil
  63   "Sorted list of line numbers and lists of err info in the form (file, err-text).")
  64 (make-variable-buffer-local 'flymake-err-info)
  65
  66 (defvar flymake-new-err-info nil
  67   "Same as `flymake-err-info', effective when a syntax check is in progress.")
  68 (make-variable-buffer-local 'flymake-new-err-info)
  69
  70 ;;;; [[ cross-emacs compatibility routines
  71 (defsubst flymake-makehash (&optional test)
  72   (if (fboundp 'make-hash-table)
  73       (if test (make-hash-table :test test) (make-hash-table))
  74     (with-no-warnings
  75       (makehash test))))
  76
  77 (defalias 'flymake-float-time
  78   (if (fboundp 'float-time)
  79       'float-time
  80     (if (featurep 'xemacs)
  81         (lambda ()
  82           (multiple-value-bind (s0 s1 s2) (values-list (current-time))
  83             (+ (* (float (ash 1 16)) s0) (float s1) (* 0.0000001 s2)))))))
  84
  85 (defalias 'flymake-replace-regexp-in-string
  86   (if (eval-when-compile (fboundp 'replace-regexp-in-string))
  87       'replace-regexp-in-string
  88     (lambda (regexp rep str)
  89       (replace-in-string str regexp rep))))
  90
  91 (defalias 'flymake-split-string
  92   (if (condition-case nil (equal (split-string " bc " " " t) '("bc"))
  93         (error nil))
  94       (lambda (str pattern) (split-string str pattern t))
  95     (lambda (str pattern)
  96       "Split STR into a list of substrings bounded by PATTERN.
  97 Zero-length substrings at the beginning and end of the list are omitted."
  98       (let ((split (split-string str pattern)))
  99         (while (equal (car split) "") (setq split (cdr split)))
 100         (setq split (nreverse split))
 101         (while (equal (car split) "") (setq split (cdr split)))
 102         (nreverse split)))))
 103
 104 (defalias 'flymake-get-temp-dir
 105   (if (fboundp 'temp-directory)
 106       'temp-directory
 107     (lambda () temporary-file-directory)))
 108
 109 (defun flymake-posn-at-point-as-event (&optional position window dx dy)
 110   "Return pixel position of top left corner of glyph at POSITION,
 111 relative to top left corner of WINDOW, as a mouse-1 click
 112 event (identical to the event that would be triggered by clicking
 113 mouse button 1 at the top left corner of the glyph).
 114
 115 POSITION and WINDOW default to the position of point in the
 116 selected window.
 117
 118 DX and DY specify optional offsets from the top left of the glyph."
 119   (unless window (setq window (selected-window)))
 120   (unless position (setq position (window-point window)))
 121   (unless dx (setq dx 0))
 122   (unless dy (setq dy 0))
 123
 124   (let* ((pos (posn-at-point position window))
 125          (x-y (posn-x-y pos))
 126          (edges (window-inside-pixel-edges window))
 127          (win-x-y (window-pixel-edges window)))
 128     ;; adjust for window edges
 129     (setcar (nthcdr 2 pos)
 130             (cons (+ (car x-y) (car  edges) (- (car win-x-y))  dx)
 131                   (+ (cdr x-y) (cadr edges) (- (cadr win-x-y)) dy)))
 132     (list 'mouse-1 pos)))
 133
 134 (defun flymake-popup-menu (menu-data)
 135   "Pop up the flymake menu at point, using the data MENU-DATA.
 136 POS is a list of the form ((X Y) WINDOW), where X and Y are
 137 pixels positions from the top left corner of WINDOW's frame.
 138 MENU-DATA is a list of error and warning messages returned by
 139 `flymake-make-err-menu-data'."
 140   (if (featurep 'xemacs)
 141       (let* ((pos         (flymake-get-point-pixel-pos))
 142              (x-pos       (nth 0 pos))
 143              (y-pos       (nth 1 pos))
 144              (fake-event-props  '(button 1 x 1 y 1)))
 145         (setq fake-event-props (plist-put fake-event-props 'x x-pos))
 146         (setq fake-event-props (plist-put fake-event-props 'y y-pos))
 147         (popup-menu (flymake-make-xemacs-menu menu-data)
 148                     (make-event 'button-press fake-event-props)))
 149     (x-popup-menu (if (eval-when-compile (fboundp 'posn-at-point))
 150                       (flymake-posn-at-point-as-event)
 151                     (list (flymake-get-point-pixel-pos) (selected-window)))
 152                   (flymake-make-emacs-menu menu-data))))
 153
 154 (defun flymake-make-emacs-menu (menu-data)
 155   "Return a menu specifier using MENU-DATA.
 156 MENU-DATA is a list of error and warning messages returned by
 157 `flymake-make-err-menu-data'.
 158 See `x-popup-menu' for the menu specifier format."
 159   (let* ((menu-title     (nth 0 menu-data))
 160          (menu-items     (nth 1 menu-data))
 161          (menu-commands  (mapcar (lambda (foo)
 162                                    (cons (nth 0 foo) (nth 1 foo)))
 163                                  menu-items)))
 164     (list menu-title (cons "" menu-commands))))
 165
 166 (if (featurep 'xemacs) (progn
 167
 168 (defun flymake-nop ())
 169
 170 (defun flymake-make-xemacs-menu (menu-data)
 171   "Return a menu specifier using MENU-DATA."
 172   (let* ((menu-title     (nth 0 menu-data))
 173          (menu-items     (nth 1 menu-data))
 174          (menu-commands  nil))
 175     (setq menu-commands (mapcar (lambda (foo)
 176                                   (vector (nth 0 foo) (or (nth 1 foo) '(flymake-nop)) t))
 177                                 menu-items))
 178     (cons menu-title menu-commands)))
 179
 180 )) ;; xemacs
 181
 182 (unless (eval-when-compile (fboundp 'posn-at-point))
 183
 184 (defun flymake-current-row ()
 185   "Return current row number in current frame."
 186   (if (fboundp 'window-edges)
 187       (+ (car (cdr (window-edges))) (count-lines (window-start) (point)))
 188     (count-lines (window-start) (point))))
 189
 190 (defun flymake-selected-frame ()
 191   (if (fboundp 'window-edges)
 192       (selected-frame)
 193     (selected-window)))
 194
 195 (defun flymake-get-point-pixel-pos ()
 196   "Return point position in pixels: (x, y)."
 197   (let ((mouse-pos  (mouse-position))
 198         (pixel-pos  nil)
 199         (ret        nil))
 200     (if (car (cdr mouse-pos))
 201         (progn
 202           (set-mouse-position (flymake-selected-frame) (current-column) (flymake-current-row))
 203           (setq pixel-pos (mouse-pixel-position))
 204           (set-mouse-position (car mouse-pos) (car (cdr mouse-pos)) (cdr (cdr mouse-pos)))
 205           (setq ret (list (car (cdr pixel-pos)) (cdr (cdr pixel-pos)))))
 206       (progn
 207         (setq ret '(0 0))))
 208     (flymake-log 3 "mouse pos is %s" ret)
 209     ret))
 210
 211 ) ;; End of (unless (fboundp 'posn-at-point)
 212
 213 ;;;; ]]
 214
 215 (defcustom flymake-log-level -1
 216   "Logging level, only messages with level lower or equal will be logged.
 217 -1 = NONE, 0 = ERROR, 1 = WARNING, 2 = INFO, 3 = DEBUG"
 218   :group 'flymake
 219   :type 'integer)
 220
 221 (defun flymake-log (level text &rest args)
 222   "Log a message at level LEVEL.
 223 If LEVEL is higher than `flymake-log-level', the message is
 224 ignored.  Otherwise, it is printed using `message'.
 225 TEXT is a format control string, and the remaining arguments ARGS
 226 are the string substitutions (see `format')."
 227   (if (<= level flymake-log-level)
 228       (let* ((msg (apply 'format text args)))
 229         (message "%s" msg)
 230         ;;(with-temp-buffer
 231         ;;    (insert msg)
 232         ;;   (insert "\n")
 233         ;;   (flymake-save-buffer-in-file "d:/flymake.log" t)  ; make log file name customizable
 234         ;;)
 235         )))
 236
 237 (defun flymake-ins-after (list pos val)
 238   "Insert VAL into LIST after position POS."
 239   (let ((tmp (copy-sequence list)))     ; (???)
 240     (setcdr (nthcdr pos tmp) (cons val (nthcdr (1+ pos) tmp)))
 241     tmp))
 242
 243 (defun flymake-set-at (list pos val)
 244   "Set VAL at position POS in LIST."
 245   (let ((tmp (copy-sequence list)))     ; (???)
 246     (setcar (nthcdr pos tmp) val)
 247     tmp))
 248
 249 (defvar flymake-processes nil
 250   "List of currently active flymake processes.")
 251
 252 (defvar flymake-output-residual nil)
 253
 254 (make-variable-buffer-local 'flymake-output-residual)
 255
 256 (defgroup flymake nil
 257   "A universal on-the-fly syntax checker."
 258   :version "23.1"
 259   :group 'tools)
 260
 261 (defcustom flymake-allowed-file-name-masks
 262   '(("\\.\\(?:c\\(?:pp\\|xx\\|\\+\\+\\)?\\|CC\\)\\'" flymake-simple-make-init)
 263     ("\\.xml\\'" flymake-xml-init)
 264     ("\\.html?\\'" flymake-xml-init)
 265     ("\\.cs\\'" flymake-simple-make-init)
 266     ("\\.p[ml]\\'" flymake-perl-init)
 267     ("\\.php[345]?\\'" flymake-php-init)
 268     ("\\.h\\'" flymake-master-make-header-init flymake-master-cleanup)
 269     ("\\.java\\'" flymake-simple-make-java-init flymake-simple-java-cleanup)
 270     ("[0-9]+\\.tex\\'" flymake-master-tex-init flymake-master-cleanup)
 271     ("\\.tex\\'" flymake-simple-tex-init)
 272     ("\\.idl\\'" flymake-simple-make-init)
 273     ;; ("\\.cpp\\'" 1)
 274     ;; ("\\.java\\'" 3)
 275     ;; ("\\.h\\'" 2 ("\\.cpp\\'" "\\.c\\'")
 276     ;; ("[ \t]*#[ \t]*include[ \t]*\"\\([\w0-9/\\_\.]*[/\\]*\\)\\(%s\\)\"" 1 2))
 277     ;; ("\\.idl\\'" 1)
 278     ;; ("\\.odl\\'" 1)
 279     ;; ("[0-9]+\\.tex\\'" 2 ("\\.tex\\'")
 280     ;; ("[ \t]*\\input[ \t]*{\\(.*\\)\\(%s\\)}" 1 2 ))
 281     ;; ("\\.tex\\'" 1)
 282     )
 283   "Files syntax checking is allowed for."
 284   :group 'flymake
 285   :type '(repeat (string symbol symbol symbol)))
 286
 287 (defun flymake-get-file-name-mode-and-masks (file-name)
 288   "Return the corresponding entry from `flymake-allowed-file-name-masks'."
 289   (unless (stringp file-name)
 290     (error "Invalid file-name"))
 291   (let ((fnm flymake-allowed-file-name-masks)
 292         (mode-and-masks  nil))
 293     (while (and (not mode-and-masks) fnm)
 294       (if (string-match (car (car fnm)) file-name)
 295           (setq mode-and-masks (cdr (car fnm))))
 296       (setq fnm (cdr fnm)))
 297     (flymake-log 3 "file %s, init=%s" file-name (car mode-and-masks))
 298     mode-and-masks))
 299
 300 (defun flymake-can-syntax-check-file (file-name)
 301   "Determine whether we can syntax check FILE-NAME.
 302 Return nil if we cannot, non-nil if we can."
 303   (if (flymake-get-init-function file-name) t nil))
 304
 305 (defun flymake-get-init-function (file-name)
 306   "Return init function to be used for the file."
 307   (let* ((init-f  (nth 0 (flymake-get-file-name-mode-and-masks file-name))))
 308     ;;(flymake-log 0 "calling %s" init-f)
 309     ;;(funcall init-f (current-buffer))
 310     init-f))
 311
 312 (defun flymake-get-cleanup-function (file-name)
 313   "Return cleanup function to be used for the file."
 314   (or (nth 1 (flymake-get-file-name-mode-and-masks file-name))
 315       'flymake-simple-cleanup))
 316
 317 (defun flymake-get-real-file-name-function (file-name)
 318   (or (nth 2 (flymake-get-file-name-mode-and-masks file-name))
 319       'flymake-get-real-file-name))
 320
 321 (defvar flymake-find-buildfile-cache (flymake-makehash 'equal))
 322
 323 (defun flymake-get-buildfile-from-cache (dir-name)
 324   (gethash dir-name flymake-find-buildfile-cache))
 325
 326 (defun flymake-add-buildfile-to-cache (dir-name buildfile)
 327   (puthash dir-name buildfile flymake-find-buildfile-cache))
 328
 329 (defun flymake-clear-buildfile-cache ()
 330   (clrhash flymake-find-buildfile-cache))
 331
 332 (defun flymake-find-buildfile (buildfile-name source-dir-name)
 333   "Find buildfile starting from current directory.
 334 Buildfile includes Makefile, build.xml etc.
 335 Return its file name if found, or nil if not found."
 336   (or (flymake-get-buildfile-from-cache source-dir-name)
 337       (let* ((file (locate-dominating-file source-dir-name buildfile-name)))
 338         (if file
 339             (progn
 340               (flymake-log 3 "found buildfile at %s" file)
 341               (flymake-add-buildfile-to-cache source-dir-name file)
 342               file)
 343           (progn
 344             (flymake-log 3 "buildfile for %s not found" source-dir-name)
 345             nil)))))
 346
 347 (defun flymake-fix-file-name (name)
 348   "Replace all occurrences of '\' with '/'."
 349   (when name
 350     (setq name (expand-file-name name))
 351     (setq name (abbreviate-file-name name))
 352     (setq name (directory-file-name name))
 353     name))
 354
 355 (defun flymake-same-files (file-name-one file-name-two)
 356   "Check if FILE-NAME-ONE and FILE-NAME-TWO point to same file.
 357 Return t if so, nil if not."
 358   (equal (flymake-fix-file-name file-name-one)
 359          (flymake-fix-file-name file-name-two)))
 360
 361 (defcustom flymake-master-file-dirs '("." "./src" "./UnitTest")
 362   "Dirs where to look for master files."
 363   :group 'flymake
 364   :type '(repeat (string)))
 365
 366 (defcustom flymake-master-file-count-limit 32
 367   "Max number of master files to check."
 368   :group 'flymake
 369   :type 'integer)
 370
 371 ;; This is bound dynamically to pass a parameter to a sort predicate below
 372 (defvar flymake-included-file-name)
 373
 374 (defun flymake-find-possible-master-files (file-name master-file-dirs masks)
 375   "Find (by name and location) all possible master files.
 376 Master files include .cpp and .c for .h.  Files are searched for
 377 starting from the .h directory and max max-level parent dirs.
 378 File contents are not checked."
 379   (let* ((dirs master-file-dirs)
 380          (files  nil)
 381          (done   nil))
 382
 383     (while (and (not done) dirs)
 384       (let* ((dir (expand-file-name (car dirs) (file-name-directory file-name)))
 385              (masks masks))
 386         (while (and (file-exists-p dir) (not done) masks)
 387           (let* ((mask        (car masks))
 388                  (dir-files   (directory-files dir t mask)))
 389
 390             (flymake-log 3 "dir %s, %d file(s) for mask %s"
 391                          dir (length dir-files) mask)
 392             (while (and (not done) dir-files)
 393               (when (not (file-directory-p (car dir-files)))
 394                 (setq files (cons (car dir-files) files))
 395                 (when (>= (length files) flymake-master-file-count-limit)
 396                   (flymake-log 3 "master file count limit (%d) reached" flymake-master-file-count-limit)
 397                   (setq done t)))
 398               (setq dir-files (cdr dir-files))))
 399           (setq masks (cdr masks))))
 400       (setq dirs (cdr dirs)))
 401     (when files
 402       (let ((flymake-included-file-name (file-name-nondirectory file-name)))
 403         (setq files (sort files 'flymake-master-file-compare))))
 404     (flymake-log 3 "found %d possible master file(s)" (length files))
 405     files))
 406
 407 (defun flymake-master-file-compare (file-one file-two)
 408   "Compare two files specified by FILE-ONE and FILE-TWO.
 409 This function is used in sort to move most possible file names
 410 to the beginning of the list (File.h -> File.cpp moved to top)."
 411   (and (equal (file-name-sans-extension flymake-included-file-name)
 412               (file-name-sans-extension (file-name-nondirectory file-one)))
 413        (not (equal file-one file-two))))
 414
 415 (defcustom flymake-check-file-limit 8192
 416   "Maximum number of chars to look at when checking possible master file.
 417 Nil means search the entire file."
 418   :group 'flymake
 419   :type '(choice (const :tag "No limit" nil)
 420                  (integer :tag "Characters")))
 421
 422 (defun flymake-check-patch-master-file-buffer
 423        (master-file-temp-buffer
 424         master-file-name patched-master-file-name
 425         source-file-name patched-source-file-name
 426         include-dirs regexp)
 427   "Check if MASTER-FILE-NAME is a master file for SOURCE-FILE-NAME.
 428 If yes, patch a copy of MASTER-FILE-NAME to include PATCHED-SOURCE-FILE-NAME
 429 instead of SOURCE-FILE-NAME.
 430
 431 For example, foo.cpp is a master file if it includes foo.h.
 432
 433 Whether a buffer for MATER-FILE-NAME exists, use it as a source
 434 instead of reading master file from disk."
 435   (let* ((source-file-nondir (file-name-nondirectory source-file-name))
 436          (source-file-extension (file-name-extension source-file-nondir))
 437          (source-file-nonext (file-name-sans-extension source-file-nondir))
 438          (found                     nil)
 439          (inc-name                  nil)
 440          (search-limit              flymake-check-file-limit))
 441     (setq regexp
 442           (format regexp        ; "[ \t]*#[ \t]*include[ \t]*\"\\(.*%s\\)\""
 443                   ;; Hack for tex files, where \include often excludes .tex.
 444                   ;; Maybe this is safe generally.
 445                   (if (and (> (length source-file-extension) 1)
 446                            (string-equal source-file-extension "tex"))
 447                       (format "%s\\(?:\\.%s\\)?"
 448                               (regexp-quote source-file-nonext)
 449                               (regexp-quote source-file-extension))
 450                     (regexp-quote source-file-nondir))))
 451     (unwind-protect
 452         (with-current-buffer master-file-temp-buffer
 453           (if (or (not search-limit)
 454                   (> search-limit (point-max)))
 455               (setq search-limit (point-max)))
 456           (flymake-log 3 "checking %s against regexp %s"
 457                        master-file-name regexp)
 458           (goto-char (point-min))
 459           (while (and (< (point) search-limit)
 460                       (re-search-forward regexp search-limit t))
 461             (let ((match-beg   (match-beginning 1))
 462                   (match-end   (match-end 1)))
 463
 464               (flymake-log 3 "found possible match for %s" source-file-nondir)
 465               (setq inc-name (match-string 1))
 466               (and (> (length source-file-extension) 1)
 467                    (string-equal source-file-extension "tex")
 468                    (not (string-match (format "\\.%s\\'" source-file-extension)
 469                                       inc-name))
 470                    (setq inc-name (concat inc-name "." source-file-extension)))
 471               (when (eq t (compare-strings
 472                            source-file-nondir nil nil
 473                            inc-name (- (length inc-name)
 474                                        (length source-file-nondir)) nil))
 475                 (flymake-log 3 "inc-name=%s" inc-name)
 476                 (when (flymake-check-include source-file-name inc-name
 477                                              include-dirs)
 478                   (setq found t)
 479                   ;;  replace-match is not used here as it fails in
 480                   ;; XEmacs with 'last match not a buffer' error as
 481                   ;; check-includes calls replace-in-string
 482                   (flymake-replace-region
 483                    match-beg match-end
 484                    (file-name-nondirectory patched-source-file-name))))
 485               (forward-line 1)))
 486           (when found
 487             (flymake-save-buffer-in-file patched-master-file-name)))
 488       ;;+(flymake-log 3 "killing buffer %s"
 489       ;;                (buffer-name master-file-temp-buffer))
 490       (kill-buffer master-file-temp-buffer))
 491     ;;+(flymake-log 3 "check-patch master file %s: %s" master-file-name found)
 492     (when found
 493       (flymake-log 2 "found master file %s" master-file-name))
 494     found))
 495
 496 (defun flymake-replace-region (beg end rep)
 497   "Replace text in BUFFER in region (BEG END) with REP."
 498   (save-excursion
 499     (goto-char end)
 500     ;; Insert before deleting, so as to better preserve markers's positions.
 501     (insert rep)
 502     (delete-region beg end)))
 503
 504 (defun flymake-read-file-to-temp-buffer (file-name)
 505   "Insert contents of FILE-NAME into newly created temp buffer."
 506   (let* ((temp-buffer (get-buffer-create (generate-new-buffer-name (concat "flymake:" (file-name-nondirectory file-name))))))
 507     (with-current-buffer temp-buffer
 508       (insert-file-contents file-name))
 509     temp-buffer))
 510
 511 (defun flymake-copy-buffer-to-temp-buffer (buffer)
 512   "Copy contents of BUFFER into newly created temp buffer."
 513   (with-current-buffer
 514       (get-buffer-create (generate-new-buffer-name
 515                           (concat "flymake:" (buffer-name buffer))))
 516     (insert-buffer-substring buffer)
 517     (current-buffer)))
 518
 519 (defun flymake-check-include (source-file-name inc-name include-dirs)
 520   "Check if SOURCE-FILE-NAME can be found in include path.
 521 Return t if it can be found via include path using INC-NAME."
 522   (if (file-name-absolute-p inc-name)
 523       (flymake-same-files source-file-name inc-name)
 524     (while (and include-dirs
 525                 (not (flymake-same-files
 526                       source-file-name
 527                       (concat (file-name-directory source-file-name)
 528                               "/" (car include-dirs)
 529                               "/" inc-name))))
 530       (setq include-dirs (cdr include-dirs)))
 531     include-dirs))
 532
 533 (defun flymake-find-buffer-for-file (file-name)
 534   "Check if there exists a buffer visiting FILE-NAME.
 535 Return t if so, nil if not."
 536   (let ((buffer-name (get-file-buffer file-name)))
 537     (if buffer-name
 538         (get-buffer buffer-name))))
 539
 540 (defun flymake-create-master-file (source-file-name patched-source-file-name get-incl-dirs-f create-temp-f masks include-regexp)
 541   "Save SOURCE-FILE-NAME with a different name.
 542 Find master file, patch and save it."
 543   (let* ((possible-master-files     (flymake-find-possible-master-files source-file-name flymake-master-file-dirs masks))
 544          (master-file-count         (length possible-master-files))
 545          (idx                       0)
 546          (temp-buffer               nil)
 547          (master-file-name          nil)
 548          (patched-master-file-name  nil)
 549          (found                     nil))
 550
 551     (while (and (not found) (< idx master-file-count))
 552       (setq master-file-name (nth idx possible-master-files))
 553       (setq patched-master-file-name (funcall create-temp-f master-file-name "flymake_master"))
 554       (if (flymake-find-buffer-for-file master-file-name)
 555           (setq temp-buffer (flymake-copy-buffer-to-temp-buffer (flymake-find-buffer-for-file master-file-name)))
 556         (setq temp-buffer (flymake-read-file-to-temp-buffer master-file-name)))
 557       (setq found
 558             (flymake-check-patch-master-file-buffer
 559              temp-buffer
 560              master-file-name
 561              patched-master-file-name
 562              source-file-name
 563              patched-source-file-name
 564              (funcall get-incl-dirs-f (file-name-directory master-file-name))
 565              include-regexp))
 566       (setq idx (1+ idx)))
 567     (if found
 568         (list master-file-name patched-master-file-name)
 569       (progn
 570         (flymake-log 3 "none of %d master file(s) checked includes %s" master-file-count
 571                      (file-name-nondirectory source-file-name))
 572         nil))))
 573
 574 (defun flymake-save-buffer-in-file (file-name)
 575   (make-directory (file-name-directory file-name) 1)
 576   (write-region nil nil file-name nil 566)
 577   (flymake-log 3 "saved buffer %s in file %s" (buffer-name) file-name))
 578
 579 (defun flymake-save-string-to-file (file-name data)
 580   "Save string DATA to file FILE-NAME."
 581   (write-region data nil file-name nil 566))
 582
 583 (defun flymake-read-file-to-string (file-name)
 584   "Read contents of file FILE-NAME and return as a string."
 585   (with-temp-buffer
 586     (insert-file-contents file-name)
 587     (buffer-substring (point-min) (point-max))))
 588
 589 (defun flymake-process-filter (process output)
 590   "Parse OUTPUT and highlight error lines.
 591 It's flymake process filter."
 592   (let ((source-buffer (process-buffer process)))
 593
 594     (flymake-log 3 "received %d byte(s) of output from process %d"
 595                  (length output) (process-id process))
 596     (when (buffer-live-p source-buffer)
 597       (with-current-buffer source-buffer
 598         (flymake-parse-output-and-residual output)))))
 599
 600 (defun flymake-process-sentinel (process event)
 601   "Sentinel for syntax check buffers."
 602   (when (memq (process-status process) '(signal exit))
 603     (let* ((exit-status       (process-exit-status process))
 604            (command           (process-command process))
 605            (source-buffer     (process-buffer process))
 606            (cleanup-f         (flymake-get-cleanup-function (buffer-file-name source-buffer))))
 607
 608       (flymake-log 2 "process %d exited with code %d"
 609                    (process-id process) exit-status)
 610       (condition-case err
 611           (progn
 612             (flymake-log 3 "cleaning up using %s" cleanup-f)
 613             (when (buffer-live-p source-buffer)
 614               (with-current-buffer source-buffer
 615                 (funcall cleanup-f)))
 616
 617             (delete-process process)
 618             (setq flymake-processes (delq process flymake-processes))
 619
 620             (when (buffer-live-p source-buffer)
 621               (with-current-buffer source-buffer
 622
 623                 (flymake-parse-residual)
 624                 (flymake-post-syntax-check exit-status command)
 625                 (setq flymake-is-running nil))))
 626         (error
 627          (let ((err-str (format "Error in process sentinel for buffer %s: %s"
 628                                 source-buffer (error-message-string err))))
 629            (flymake-log 0 err-str)
 630            (with-current-buffer source-buffer
 631              (setq flymake-is-running nil))))))))
 632
 633 (defun flymake-post-syntax-check (exit-status command)
 634   (setq flymake-err-info flymake-new-err-info)
 635   (setq flymake-new-err-info nil)
 636   (setq flymake-err-info
 637         (flymake-fix-line-numbers
 638          flymake-err-info 1 (flymake-count-lines)))
 639   (flymake-delete-own-overlays)
 640   (flymake-highlight-err-lines flymake-err-info)
 641   (let (err-count warn-count)
 642     (setq err-count (flymake-get-err-count flymake-err-info "e"))
 643     (setq warn-count  (flymake-get-err-count flymake-err-info "w"))
 644     (flymake-log 2 "%s: %d error(s), %d warning(s) in %.2f second(s)"
 645                  (buffer-name) err-count warn-count
 646                  (- (flymake-float-time) flymake-check-start-time))
 647     (setq flymake-check-start-time nil)
 648
 649     (if (and (equal 0 err-count) (equal 0 warn-count))
 650         (if (equal 0 exit-status)
 651             (flymake-report-status "" "")       ; PASSED
 652           (if (not flymake-check-was-interrupted)
 653               (flymake-report-fatal-status "CFGERR"
 654                                            (format "Configuration error has occurred while running %s" command))
 655             (flymake-report-status nil ""))) ; "STOPPED"
 656       (flymake-report-status (format "%d/%d" err-count warn-count) ""))))
 657
 658 (defun flymake-parse-output-and-residual (output)
 659   "Split OUTPUT into lines, merge in residual if necessary."
 660   (let* ((buffer-residual     flymake-output-residual)
 661          (total-output        (if buffer-residual (concat buffer-residual output) output))
 662          (lines-and-residual  (flymake-split-output total-output))
 663          (lines               (nth 0 lines-and-residual))
 664          (new-residual        (nth 1 lines-and-residual)))
 665     (setq flymake-output-residual new-residual)
 666     (setq flymake-new-err-info
 667           (flymake-parse-err-lines
 668            flymake-new-err-info lines))))
 669
 670 (defun flymake-parse-residual ()
 671   "Parse residual if it's non empty."
 672   (when flymake-output-residual
 673     (setq flymake-new-err-info
 674           (flymake-parse-err-lines
 675            flymake-new-err-info
 676            (list flymake-output-residual)))
 677     (setq flymake-output-residual nil)))
 678
 679 (defun flymake-er-make-er (line-no line-err-info-list)
 680   (list line-no line-err-info-list))
 681
 682 (defun flymake-er-get-line (err-info)
 683   (nth 0 err-info))
 684
 685 (defun flymake-er-get-line-err-info-list (err-info)
 686   (nth 1 err-info))
 687
 688 (defstruct (flymake-ler
 689             (:constructor nil)
 690             (:constructor flymake-ler-make-ler (file line type text &optional full-file)))
 691   file line type text full-file)
 692
 693 (defun flymake-ler-set-file (line-err-info file)
 694   (flymake-ler-make-ler file
 695                         (flymake-ler-line line-err-info)
 696                         (flymake-ler-type line-err-info)
 697                         (flymake-ler-text line-err-info)
 698                         (flymake-ler-full-file line-err-info)))
 699
 700 (defun flymake-ler-set-full-file (line-err-info full-file)
 701   (flymake-ler-make-ler (flymake-ler-file line-err-info)
 702                         (flymake-ler-line line-err-info)
 703                         (flymake-ler-type line-err-info)
 704                         (flymake-ler-text line-err-info)
 705                         full-file))
 706
 707 (defun flymake-ler-set-line (line-err-info line)
 708   (flymake-ler-make-ler (flymake-ler-file line-err-info)
 709                         line
 710                         (flymake-ler-type line-err-info)
 711                         (flymake-ler-text line-err-info)
 712                         (flymake-ler-full-file line-err-info)))
 713
 714 (defun flymake-get-line-err-count (line-err-info-list type)
 715   "Return number of errors of specified TYPE.
 716 Value of TYPE is either \"e\" or \"w\"."
 717   (let* ((idx        0)
 718          (count      (length line-err-info-list))
 719          (err-count  0))
 720
 721     (while (< idx count)
 722       (when (equal type (flymake-ler-type (nth idx line-err-info-list)))
 723         (setq err-count (1+ err-count)))
 724       (setq idx (1+ idx)))
 725     err-count))
 726
 727 (defun flymake-get-err-count (err-info-list type)
 728   "Return number of errors of specified TYPE for ERR-INFO-LIST."
 729   (let* ((idx        0)
 730          (count      (length err-info-list))
 731          (err-count  0))
 732     (while (< idx count)
 733       (setq err-count (+ err-count (flymake-get-line-err-count (nth 1 (nth idx err-info-list)) type)))
 734       (setq idx (1+ idx)))
 735     err-count))
 736
 737 (defun flymake-fix-line-numbers (err-info-list min-line max-line)
 738   "Replace line numbers with fixed value.
 739 If line-numbers is less than MIN-LINE, set line numbers to MIN-LINE.
 740 If line numbers is greater than MAX-LINE, set line numbers to MAX-LINE.
 741 The reason for this fix is because some compilers might report
 742 line number outside the file being compiled."
 743   (let* ((count     (length err-info-list))
 744          (err-info  nil)
 745          (line      0))
 746     (while (> count 0)
 747       (setq err-info (nth (1- count) err-info-list))
 748       (setq line (flymake-er-get-line err-info))
 749       (when (or (< line min-line) (> line max-line))
 750         (setq line (if (< line min-line) min-line max-line))
 751         (setq err-info-list (flymake-set-at err-info-list (1- count)
 752                                             (flymake-er-make-er line
 753                                                                 (flymake-er-get-line-err-info-list err-info)))))
 754       (setq count (1- count))))
 755   err-info-list)
 756
 757 (defun flymake-highlight-err-lines (err-info-list)
 758   "Highlight error lines in BUFFER using info from ERR-INFO-LIST."
 759   (save-excursion
 760     (dolist (err err-info-list)
 761       (flymake-highlight-line (car err) (nth 1 err)))))
 762
 763 (defun flymake-overlay-p (ov)
 764   "Determine whether overlay OV was created by flymake."
 765   (and (overlayp ov) (overlay-get ov 'flymake-overlay)))
 766
 767 (defun flymake-make-overlay (beg end tooltip-text face mouse-face)
 768   "Allocate a flymake overlay in range BEG and END."
 769   (when (not (flymake-region-has-flymake-overlays beg end))
 770     (let ((ov (make-overlay beg end nil t t)))
 771       (overlay-put ov 'face           face)
 772       (overlay-put ov 'mouse-face     mouse-face)
 773       (overlay-put ov 'help-echo      tooltip-text)
 774       (overlay-put ov 'flymake-overlay  t)
 775       (overlay-put ov 'priority 100)
 776       ;;+(flymake-log 3 "created overlay %s" ov)
 777       ov)
 778     (flymake-log 3 "created an overlay at (%d-%d)" beg end)))
 779
 780 (defun flymake-delete-own-overlays ()
 781   "Delete all flymake overlays in BUFFER."
 782   (dolist (ol (overlays-in (point-min) (point-max)))
 783     (when (flymake-overlay-p ol)
 784       (delete-overlay ol)
 785       ;;+(flymake-log 3 "deleted overlay %s" ol)
 786       )))
 787
 788 (defun flymake-region-has-flymake-overlays (beg end)
 789   "Check if region specified by BEG and END has overlay.
 790 Return t if it has at least one flymake overlay, nil if no overlay."
 791   (let ((ov                  (overlays-in beg end))
 792         (has-flymake-overlays  nil))
 793     (while (consp ov)
 794       (when (flymake-overlay-p (car ov))
 795         (setq has-flymake-overlays t))
 796       (setq ov (cdr ov)))
 797     has-flymake-overlays))
 798
 799 (defface flymake-errline
 800   '((((class color) (background dark)) (:background "Firebrick4"))
 801     (((class color) (background light)) (:background "LightPink"))
 802     (t (:bold t)))
 803   "Face used for marking error lines."
 804   :group 'flymake)
 805
 806 (defface flymake-warnline
 807   '((((class color) (background dark)) (:background "DarkBlue"))
 808     (((class color) (background light)) (:background "LightBlue2"))
 809     (t (:bold t)))
 810   "Face used for marking warning lines."
 811   :group 'flymake)
 812
 813 (defun flymake-highlight-line (line-no line-err-info-list)
 814   "Highlight line LINE-NO in current buffer.
 815 Perhaps use text from LINE-ERR-INFO-LIST to enhance highlighting."
 816   (goto-char (point-min))
 817   (forward-line (1- line-no))
 818   (let* ((line-beg (point-at-bol))
 819          (line-end (point-at-eol))
 820          (beg      line-beg)
 821          (end      line-end)
 822          (tooltip-text (flymake-ler-text (nth 0 line-err-info-list)))
 823          (face     nil))
 824
 825     (goto-char line-beg)
 826     (while (looking-at "[ \t]")
 827       (forward-char))
 828
 829     (setq beg (point))
 830
 831     (goto-char line-end)
 832     (while (and (looking-at "[ \t\r\n]") (> (point) 1))
 833       (backward-char))
 834
 835     (setq end (1+ (point)))
 836
 837     (when (<= end beg)
 838       (setq beg line-beg)
 839       (setq end line-end))
 840
 841     (when (= end beg)
 842       (goto-char end)
 843       (forward-line)
 844       (setq end (point)))
 845
 846     (if (> (flymake-get-line-err-count line-err-info-list "e") 0)
 847         (setq face 'flymake-errline)
 848       (setq face 'flymake-warnline))
 849
 850     (flymake-make-overlay beg end tooltip-text face nil)))
 851
 852 (defun flymake-parse-err-lines (err-info-list lines)
 853   "Parse err LINES, store info in ERR-INFO-LIST."
 854   (let* ((count              (length lines))
 855          (idx                0)
 856          (line-err-info      nil)
 857          (real-file-name     nil)
 858          (source-file-name   buffer-file-name)
 859          (get-real-file-name-f (flymake-get-real-file-name-function source-file-name)))
 860
 861     (while (< idx count)
 862       (setq line-err-info (flymake-parse-line (nth idx lines)))
 863       (when line-err-info
 864         (setq real-file-name (funcall get-real-file-name-f
 865                                       (flymake-ler-file line-err-info)))
 866         (setq line-err-info (flymake-ler-set-full-file line-err-info real-file-name))
 867
 868         (when (flymake-same-files real-file-name source-file-name)
 869           (setq line-err-info (flymake-ler-set-file line-err-info nil))
 870           (setq err-info-list (flymake-add-err-info err-info-list line-err-info))))
 871       (flymake-log 3 "parsed '%s', %s line-err-info" (nth idx lines) (if line-err-info "got" "no"))
 872       (setq idx (1+ idx)))
 873     err-info-list))
 874
 875 (defun flymake-split-output (output)
 876   "Split OUTPUT into lines.
 877 Return last one as residual if it does not end with newline char.
 878 Returns ((LINES) RESIDUAL)."
 879   (when (and output (> (length output) 0))
 880     (let* ((lines (flymake-split-string output "[\n\r]+"))
 881            (complete (equal "\n" (char-to-string (aref output (1- (length output))))))
 882            (residual nil))
 883       (when (not complete)
 884         (setq residual (car (last lines)))
 885         (setq lines (butlast lines)))
 886       (list lines residual))))
 887
 888 (defun flymake-reformat-err-line-patterns-from-compile-el (original-list)
 889   "Grab error line patterns from ORIGINAL-LIST in compile.el format.
 890 Convert it to flymake internal format."
 891   (let* ((converted-list '()))
 892     (dolist (item original-list)
 893       (setq item (cdr item))
 894       (let ((regexp (nth 0 item))
 895             (file (nth 1 item))
 896             (line (nth 2 item))
 897             (col (nth 3 item)))
 898         (if (consp file)        (setq file (car file)))
 899         (if (consp line)        (setq line (car line)))
 900         (if (consp col) (setq col (car col)))
 901
 902         (when (not (functionp line))
 903           (setq converted-list (cons (list regexp file line col) converted-list)))))
 904     converted-list))
 905
 906 (require 'compile)
 907
 908 (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
 909   (append
 910    '(
 911      ;; MS Visual C++ 6.0
 912      ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\)) \: \\(\\(error\\|warning\\|fatal error\\) \\(C[0-9]+\\):[ \t\n]*\\(.+\\)\\)"
 913       1 3 nil 4)
 914      ;; jikes
 915      ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)\:\\([0-9]+\\)\:[0-9]+\:[0-9]+\:[0-9]+\: \\(\\(Error\\|Warning\\|Caution\\|Semantic Error\\):[ \t\n]*\\(.+\\)\\)"
 916       1 3 nil 4)
 917      ;; MS midl
 918      ("midl[ ]*:[ ]*\\(command line error .*\\)"
 919       nil nil nil 1)
 920      ;; MS C#
 921      ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\),[0-9]+)\: \\(\\(error\\|warning\\|fatal error\\) \\(CS[0-9]+\\):[ \t\n]*\\(.+\\)\\)"
 922       1 3 nil 4)
 923      ;; perl
 924      ("\\(.*\\) at \\([^ \n]+\\) line \\([0-9]+\\)[,.\n]" 2 3 nil 1)
 925      ;; PHP
 926      ("\\(?:Parse\\|Fatal\\) error: \\(.*\\) in \\(.*\\) on line \\([0-9]+\\)" 2 3 nil 1)
 927      ;; LaTeX warnings (fileless) ("\\(LaTeX \\(Warning\\|Error\\): .*\\) on input line \\([0-9]+\\)" 20 3 nil 1)
 928      ;; ant/javac
 929      (" *\\(\\[javac\\] *\\)?\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)\:\\([0-9]+\\)\:[ \t\n]*\\(.+\\)"
 930       2 4 nil 5))
 931    ;; compilation-error-regexp-alist)
 932    (flymake-reformat-err-line-patterns-from-compile-el compilation-error-regexp-alist-alist))
 933   "Patterns for matching error/warning lines.  Each pattern has the form
 934 \(REGEXP FILE-IDX LINE-IDX COL-IDX ERR-TEXT-IDX).
 935 Use `flymake-reformat-err-line-patterns-from-compile-el' to add patterns
 936 from compile.el")
 937
 938 ;;(defcustom flymake-err-line-patterns
 939 ;;  '(
 940 ;;    ; MS Visual C++ 6.0
 941 ;;    ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\)) \: \\(\\(error\\|warning\\|fatal error\\) \\(C[0-9]+\\):[ \t\n]*\\(.+\\)\\)"
 942 ;;       1 3 4)
 943 ;;   ; jikes
 944 ;;   ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)\:\\([0-9]+\\)\:[0-9]+\:[0-9]+\:[0-9]+\: \\(\\(Error\\|Warning\\|Caution\\):[ \t\n]*\\(.+\\)\\)"
 945 ;;       1 3 4))
 946 ;;    "patterns for matching error/warning lines, (regexp file-idx line-idx err-text-idx)"
 947 ;;   :group 'flymake
 948 ;;   :type '(repeat (string number number number))
 949 ;;)
 950
 951 (defun flymake-parse-line (line)
 952   "Parse LINE to see if it is an error or warning.
 953 Return its components if so, nil otherwise."
 954   (let ((raw-file-name nil)
 955         (line-no 0)
 956         (err-type "e")
 957         (err-text nil)
 958         (patterns flymake-err-line-patterns)
 959         (matched nil))
 960     (while (and patterns (not matched))
 961       (when (string-match (car (car patterns)) line)
 962         (let* ((file-idx (nth 1 (car patterns)))
 963                (line-idx (nth 2 (car patterns))))
 964
 965           (setq raw-file-name (if file-idx (match-string file-idx line) nil))
 966           (setq line-no       (if line-idx (string-to-number (match-string line-idx line)) 0))
 967           (setq err-text      (if (> (length (car patterns)) 4)
 968                                   (match-string (nth 4 (car patterns)) line)
 969                                 (flymake-patch-err-text (substring line (match-end 0)))))
 970           (or err-text (setq err-text "<no error text>"))
 971           (if (and err-text (string-match "^[wW]arning" err-text))
 972               (setq err-type "w")
 973             )
 974           (flymake-log 3 "parse line: file-idx=%s line-idx=%s file=%s line=%s text=%s" file-idx line-idx
 975                        raw-file-name line-no err-text)
 976           (setq matched t)))
 977       (setq patterns (cdr patterns)))
 978     (if matched
 979         (flymake-ler-make-ler raw-file-name line-no err-type err-text)
 980       ())))
 981
 982 (defun flymake-find-err-info (err-info-list line-no)
 983   "Find (line-err-info-list pos) for specified LINE-NO."
 984   (if err-info-list
 985       (let* ((line-err-info-list  nil)
 986              (pos       0)
 987              (count     (length err-info-list)))
 988
 989         (while (and (< pos count) (< (car (nth pos err-info-list)) line-no))
 990           (setq pos (1+ pos)))
 991         (when (and (< pos count) (equal (car (nth pos err-info-list)) line-no))
 992           (setq line-err-info-list (flymake-er-get-line-err-info-list (nth pos err-info-list))))
 993         (list line-err-info-list pos))
 994     '(nil 0)))
 995
 996 (defun flymake-line-err-info-is-less-or-equal (line-one line-two)
 997   (or (string< (flymake-ler-type line-one) (flymake-ler-type line-two))
 998       (and (string= (flymake-ler-type line-one) (flymake-ler-type line-two))
 999            (not (flymake-ler-file line-one)) (flymake-ler-file line-two))
1000       (and (string= (flymake-ler-type line-one) (flymake-ler-type line-two))
1001            (or (and      (flymake-ler-file line-one)       (flymake-ler-file line-two))
1002                (and (not (flymake-ler-file line-one)) (not (flymake-ler-file line-two)))))))
1003
1004 (defun flymake-add-line-err-info (line-err-info-list line-err-info)
1005   "Update LINE-ERR-INFO-LIST with the error LINE-ERR-INFO.
1006 For the format of LINE-ERR-INFO, see `flymake-ler-make-ler'.
1007 The new element is inserted in the proper position, according to
1008 the predicate `flymake-line-err-info-is-less-or-equal'.
1009 The updated value of LINE-ERR-INFO-LIST is returned."
1010   (if (not line-err-info-list)
1011       (list line-err-info)
1012     (let* ((count  (length line-err-info-list))
1013            (idx    0))
1014       (while (and (< idx count) (flymake-line-err-info-is-less-or-equal (nth idx line-err-info-list) line-err-info))
1015         (setq idx (1+ idx)))
1016       (cond ((equal 0     idx)    (setq line-err-info-list (cons line-err-info line-err-info-list)))
1017             (t                    (setq line-err-info-list (flymake-ins-after line-err-info-list (1- idx) line-err-info))))
1018       line-err-info-list)))
1019
1020 (defun flymake-add-err-info (err-info-list line-err-info)
1021   "Update ERR-INFO-LIST with the error LINE-ERR-INFO, preserving sort order.
1022 Returns the updated value of ERR-INFO-LIST.
1023 For the format of ERR-INFO-LIST, see `flymake-err-info'.
1024 For the format of LINE-ERR-INFO, see `flymake-ler-make-ler'."
1025   (let* ((line-no             (if (flymake-ler-file line-err-info) 1 (flymake-ler-line line-err-info)))
1026          (info-and-pos        (flymake-find-err-info err-info-list line-no))
1027          (exists              (car info-and-pos))
1028          (pos                 (nth 1 info-and-pos))
1029          (line-err-info-list  nil)
1030          (err-info            nil))
1031
1032     (if exists
1033         (setq line-err-info-list (flymake-er-get-line-err-info-list (car (nthcdr pos err-info-list)))))
1034     (setq line-err-info-list (flymake-add-line-err-info line-err-info-list line-err-info))
1035
1036     (setq err-info (flymake-er-make-er line-no line-err-info-list))
1037     (cond (exists             (setq err-info-list (flymake-set-at err-info-list pos err-info)))
1038           ((equal 0 pos)      (setq err-info-list (cons err-info err-info-list)))
1039           (t                  (setq err-info-list (flymake-ins-after err-info-list (1- pos) err-info))))
1040     err-info-list))
1041
1042 (defun flymake-get-project-include-dirs-imp (basedir)
1043   "Include dirs for the project current file belongs to."
1044   (if (flymake-get-project-include-dirs-from-cache basedir)
1045       (progn
1046         (flymake-get-project-include-dirs-from-cache basedir))
1047     ;;else
1048     (let* ((command-line  (concat "make -C "
1049                                   (shell-quote-argument basedir)
1050                                   " DUMPVARS=INCLUDE_DIRS dumpvars"))
1051            (output        (shell-command-to-string command-line))
1052            (lines         (flymake-split-string output "\n"))
1053            (count         (length lines))
1054            (idx           0)
1055            (inc-dirs      nil))
1056       (while (and (< idx count) (not (string-match "^INCLUDE_DIRS=.*" (nth idx lines))))
1057         (setq idx (1+ idx)))
1058       (when (< idx count)
1059         (let* ((inc-lines  (flymake-split-string (nth idx lines) " *-I"))
1060                (inc-count  (length inc-lines)))
1061           (while (> inc-count 0)
1062             (when (not (string-match "^INCLUDE_DIRS=.*" (nth (1- inc-count) inc-lines)))
1063               (push (flymake-replace-regexp-in-string "\"" "" (nth (1- inc-count) inc-lines)) inc-dirs))
1064             (setq inc-count (1- inc-count)))))
1065       (flymake-add-project-include-dirs-to-cache basedir inc-dirs)
1066       inc-dirs)))
1067
1068 (defcustom flymake-get-project-include-dirs-function 'flymake-get-project-include-dirs-imp
1069   "Function used to get project include dirs, one parameter: basedir name."
1070   :group 'flymake
1071   :type 'function)
1072
1073 (defun flymake-get-project-include-dirs (basedir)
1074   (funcall flymake-get-project-include-dirs-function basedir))
1075
1076 (defun flymake-get-system-include-dirs ()
1077   "System include dirs - from the 'INCLUDE' env setting."
1078   (let* ((includes (getenv "INCLUDE")))
1079     (if includes (flymake-split-string includes path-separator) nil)))
1080
1081 (defvar flymake-project-include-dirs-cache (flymake-makehash 'equal))
1082
1083 (defun flymake-get-project-include-dirs-from-cache (base-dir)
1084   (gethash base-dir flymake-project-include-dirs-cache))
1085
1086 (defun flymake-add-project-include-dirs-to-cache (base-dir include-dirs)
1087   (puthash base-dir include-dirs flymake-project-include-dirs-cache))
1088
1089 (defun flymake-clear-project-include-dirs-cache ()
1090   (clrhash flymake-project-include-dirs-cache))
1091
1092 (defun flymake-get-include-dirs (base-dir)
1093   "Get dirs to use when resolving local file names."
1094   (let* ((include-dirs (append '(".") (flymake-get-project-include-dirs base-dir) (flymake-get-system-include-dirs))))
1095     include-dirs))
1096
1097 ;; (defun flymake-restore-formatting ()
1098 ;;   "Remove any formatting made by flymake."
1099 ;;   )
1100
1101 ;; (defun flymake-get-program-dir (buffer)
1102 ;;   "Get dir to start program in."
1103 ;;   (unless (bufferp buffer)
1104 ;;     (error "Invalid buffer"))
1105 ;;   (with-current-buffer buffer
1106 ;;     default-directory))
1107
1108 (defun flymake-safe-delete-file (file-name)
1109   (when (and file-name (file-exists-p file-name))
1110     (delete-file file-name)
1111     (flymake-log 1 "deleted file %s" file-name)))
1112
1113 (defun flymake-safe-delete-directory (dir-name)
1114   (condition-case err
1115       (progn
1116         (delete-directory dir-name)
1117         (flymake-log 1 "deleted dir %s" dir-name))
1118     (error
1119      (flymake-log 1 "Failed to delete dir %s, error ignored" dir-name))))
1120
1121 (defcustom flymake-compilation-prevents-syntax-check t
1122   "If non-nil, syntax check won't be started in case compilation is running."
1123   :group 'flymake
1124   :type 'boolean)
1125
1126 (defun flymake-start-syntax-check ()
1127   "Start syntax checking for current buffer."
1128   (interactive)
1129   (flymake-log 3 "flymake is running: %s" flymake-is-running)
1130   (when (and (not flymake-is-running)
1131              (flymake-can-syntax-check-file buffer-file-name))
1132     (when (or (not flymake-compilation-prevents-syntax-check)
1133               (not (flymake-compilation-is-running))) ;+ (flymake-rep-ort-status buffer "COMP")
1134       (flymake-clear-buildfile-cache)
1135       (flymake-clear-project-include-dirs-cache)
1136
1137       (setq flymake-check-was-interrupted nil)
1138
1139       (let* ((source-file-name  buffer-file-name)
1140              (init-f (flymake-get-init-function source-file-name))
1141              (cleanup-f (flymake-get-cleanup-function source-file-name))
1142              (cmd-and-args (funcall init-f))
1143              (cmd          (nth 0 cmd-and-args))
1144              (args         (nth 1 cmd-and-args))
1145              (dir          (nth 2 cmd-and-args)))
1146         (if (not cmd-and-args)
1147             (progn
1148               (flymake-log 0 "init function %s for %s failed, cleaning up" init-f source-file-name)
1149               (funcall cleanup-f))
1150           (progn
1151             (setq flymake-last-change-time nil)
1152             (flymake-start-syntax-check-process cmd args dir)))))))
1153
1154 (defun flymake-start-syntax-check-process (cmd args dir)
1155   "Start syntax check process."
1156   (let* ((process nil))
1157     (condition-case err
1158         (progn
1159           (when dir
1160             (let ((default-directory dir))
1161               (flymake-log 3 "starting process on dir %s" default-directory)))
1162           (setq process (apply 'start-file-process
1163                                "flymake-proc" (current-buffer) cmd args))
1164           (set-process-sentinel process 'flymake-process-sentinel)
1165           (set-process-filter process 'flymake-process-filter)
1166           (push process flymake-processes)
1167
1168           (setq flymake-is-running t)
1169           (setq flymake-last-change-time nil)
1170           (setq flymake-check-start-time (flymake-float-time))
1171
1172           (flymake-report-status nil "*")
1173           (flymake-log 2 "started process %d, command=%s, dir=%s"
1174                        (process-id process) (process-command process)
1175                        default-directory)
1176           process)
1177       (error
1178        (let* ((err-str (format "Failed to launch syntax check process '%s' with args %s: %s"
1179                                cmd args (error-message-string err)))
1180               (source-file-name buffer-file-name)
1181               (cleanup-f        (flymake-get-cleanup-function source-file-name)))
1182          (flymake-log 0 err-str)
1183          (funcall cleanup-f)
1184          (flymake-report-fatal-status "PROCERR" err-str))))))
1185
1186 (defun flymake-kill-process (proc)
1187   "Kill process PROC."
1188   (kill-process proc)
1189   (let* ((buf (process-buffer proc)))
1190     (when (buffer-live-p buf)
1191       (with-current-buffer buf
1192         (setq flymake-check-was-interrupted t))))
1193   (flymake-log 1 "killed process %d" (process-id proc)))
1194
1195 (defun flymake-stop-all-syntax-checks ()
1196   "Kill all syntax check processes."
1197   (interactive)
1198   (while flymake-processes
1199     (flymake-kill-process (pop flymake-processes))))
1200
1201 (defun flymake-compilation-is-running ()
1202   (and (boundp 'compilation-in-progress)
1203        compilation-in-progress))
1204
1205 (defun flymake-compile ()
1206   "Kill all flymake syntax checks, start compilation."
1207   (interactive)
1208   (flymake-stop-all-syntax-checks)
1209   (call-interactively 'compile))
1210
1211 (defcustom flymake-no-changes-timeout 0.5
1212   "Time to wait after last change before starting compilation."
1213   :group 'flymake
1214   :type 'number)
1215
1216 (defun flymake-on-timer-event (buffer)
1217   "Start a syntax check for buffer BUFFER if necessary."
1218   (when (buffer-live-p buffer)
1219     (with-current-buffer buffer
1220       (when (and (not flymake-is-running)
1221                  flymake-last-change-time
1222                  (> (- (flymake-float-time) flymake-last-change-time)
1223                     flymake-no-changes-timeout))
1224
1225         (setq flymake-last-change-time nil)
1226         (flymake-log 3 "starting syntax check as more than 1 second passed since last change")
1227         (flymake-start-syntax-check)))))
1228
1229 (defun flymake-current-line-no ()
1230   "Return number of current line in current buffer."
1231   (count-lines (point-min) (if (eobp) (point) (1+ (point)))))
1232
1233 (defun flymake-count-lines ()
1234   "Return number of lines in buffer BUFFER."
1235   (count-lines (point-min) (point-max)))
1236
1237 (defun flymake-display-err-menu-for-current-line ()
1238   "Display a menu with errors/warnings for current line if it has errors and/or warnings."
1239   (interactive)
1240   (let* ((line-no             (flymake-current-line-no))
1241          (line-err-info-list  (nth 0 (flymake-find-err-info flymake-err-info line-no)))
1242          (menu-data           (flymake-make-err-menu-data line-no line-err-info-list))
1243          (choice              nil))
1244     (if menu-data
1245         (progn
1246           (setq choice (flymake-popup-menu menu-data))
1247           (flymake-log 3 "choice=%s" choice)
1248           (when choice
1249             (eval choice)))
1250       (flymake-log 1 "no errors for line %d" line-no))))
1251
1252 (defun flymake-make-err-menu-data (line-no line-err-info-list)
1253   "Make a (menu-title (item-title item-action)*) list with errors/warnings from LINE-ERR-INFO-LIST."
1254   (let* ((menu-items  nil))
1255     (when line-err-info-list
1256       (let* ((count           (length line-err-info-list))
1257              (menu-item-text  nil))
1258         (while (> count 0)
1259           (setq menu-item-text (flymake-ler-text (nth (1- count) line-err-info-list)))
1260           (let* ((file       (flymake-ler-file (nth (1- count) line-err-info-list)))
1261                  (full-file  (flymake-ler-full-file (nth (1- count) line-err-info-list)))
1262                  (line       (flymake-ler-line (nth (1- count) line-err-info-list))))
1263             (if file
1264                 (setq menu-item-text (concat menu-item-text " - " file "(" (format "%d" line) ")")))
1265             (setq menu-items (cons (list menu-item-text
1266                                          (if file (list 'flymake-goto-file-and-line full-file line) nil))
1267                                    menu-items)))
1268           (setq count (1- count)))
1269         (flymake-log 3 "created menu-items with %d item(s)" (length menu-items))))
1270     (if menu-items
1271         (let* ((menu-title  (format "Line %d: %d error(s), %d warning(s)" line-no
1272                                     (flymake-get-line-err-count line-err-info-list "e")
1273                                     (flymake-get-line-err-count line-err-info-list "w"))))
1274           (list menu-title menu-items))
1275       nil)))
1276
1277 (defun flymake-goto-file-and-line (file line)
1278   "Try to get buffer for FILE and goto line LINE in it."
1279   (if (not (file-exists-p file))
1280       (flymake-log 1 "File %s does not exist" file)
1281     (find-file file)
1282     (goto-char (point-min))
1283     (forward-line (1- line))))
1284
1285 ;; flymake minor mode declarations
1286 (defvar flymake-mode-line nil)
1287
1288 (make-variable-buffer-local 'flymake-mode-line)
1289
1290 (defvar flymake-mode-line-e-w nil)
1291
1292 (make-variable-buffer-local 'flymake-mode-line-e-w)
1293
1294 (defvar flymake-mode-line-status nil)
1295
1296 (make-variable-buffer-local 'flymake-mode-line-status)
1297
1298 (defun flymake-report-status (e-w &optional status)
1299   "Show status in mode line."
1300   (when e-w
1301     (setq flymake-mode-line-e-w e-w))
1302   (when status
1303     (setq flymake-mode-line-status status))
1304   (let* ((mode-line " Flymake"))
1305     (when (> (length flymake-mode-line-e-w) 0)
1306       (setq mode-line (concat mode-line ":" flymake-mode-line-e-w)))
1307     (setq mode-line (concat mode-line flymake-mode-line-status))
1308     (setq flymake-mode-line mode-line)
1309     (force-mode-line-update)))
1310
1311 (defun flymake-display-warning (warning)
1312   "Display a warning to user."
1313   (message-box warning))
1314
1315 (defcustom flymake-gui-warnings-enabled t
1316   "Enables/disables GUI warnings."
1317   :group 'flymake
1318   :type 'boolean)
1319
1320 (defun flymake-report-fatal-status (status warning)
1321   "Display a warning and switch flymake mode off."
1322   (when flymake-gui-warnings-enabled
1323     (flymake-display-warning (format "Flymake: %s. Flymake will be switched OFF" warning))
1324     )
1325   (flymake-mode 0)
1326   (flymake-log 0 "switched OFF Flymake mode for buffer %s due to fatal status %s, warning %s"
1327                (buffer-name) status warning))
1328
1329 (defcustom flymake-start-syntax-check-on-find-file t
1330   "Start syntax check on find file."
1331   :group 'flymake
1332   :type 'boolean)
1333
1334 ;;;###autoload
1335 (define-minor-mode flymake-mode
1336   "Minor mode to do on-the-fly syntax checking.
1337 When called interactively, toggles the minor mode.
1338 With arg, turn Flymake mode on if and only if arg is positive."
1339   :group 'flymake :lighter flymake-mode-line
1340   (cond
1341
1342    ;; Turning the mode ON.
1343    (flymake-mode
1344     (if (not (flymake-can-syntax-check-file buffer-file-name))
1345         (flymake-log 2 "flymake cannot check syntax in buffer %s" (buffer-name))
1346       (add-hook 'after-change-functions 'flymake-after-change-function nil t)
1347       (add-hook 'after-save-hook 'flymake-after-save-hook nil t)
1348       (add-hook 'kill-buffer-hook 'flymake-kill-buffer-hook nil t)
1349       ;;+(add-hook 'find-file-hook 'flymake-find-file-hook)
1350
1351       (flymake-report-status "" "")
1352
1353       (setq flymake-timer
1354             (run-at-time nil 1 'flymake-on-timer-event (current-buffer)))
1355
1356       (when flymake-start-syntax-check-on-find-file
1357         (flymake-start-syntax-check))))
1358
1359    ;; Turning the mode OFF.
1360    (t
1361     (remove-hook 'after-change-functions 'flymake-after-change-function t)
1362     (remove-hook 'after-save-hook 'flymake-after-save-hook t)
1363     (remove-hook 'kill-buffer-hook 'flymake-kill-buffer-hook t)
1364     ;;+(remove-hook 'find-file-hook (function flymake-find-file-hook) t)
1365
1366     (flymake-delete-own-overlays)
1367
1368     (when flymake-timer
1369       (cancel-timer flymake-timer)
1370       (setq flymake-timer nil))
1371
1372     (setq flymake-is-running nil))))
1373
1374 ;;;###autoload
1375 (defun flymake-mode-on ()
1376   "Turn flymake mode on."
1377   (flymake-mode 1)
1378   (flymake-log 1 "flymake mode turned ON for buffer %s" (buffer-name)))
1379
1380 ;;;###autoload
1381 (defun flymake-mode-off ()
1382   "Turn flymake mode off."
1383   (flymake-mode 0)
1384   (flymake-log 1 "flymake mode turned OFF for buffer %s" (buffer-name)))
1385
1386 (defcustom flymake-start-syntax-check-on-newline t
1387   "Start syntax check if newline char was added/removed from the buffer."
1388   :group 'flymake
1389   :type 'boolean)
1390
1391 (defun flymake-after-change-function (start stop len)
1392   "Start syntax check for current buffer if it isn't already running."
1393   ;;+(flymake-log 0 "setting change time to %s" (flymake-float-time))
1394   (let((new-text (buffer-substring start stop)))
1395     (when (and flymake-start-syntax-check-on-newline (equal new-text "\n"))
1396       (flymake-log 3 "starting syntax check as new-line has been seen")
1397       (flymake-start-syntax-check))
1398     (setq flymake-last-change-time (flymake-float-time))))
1399
1400 (defun flymake-after-save-hook ()
1401   (if (local-variable-p 'flymake-mode (current-buffer)) ; (???) other way to determine whether flymake is active in buffer being saved?
1402       (progn
1403         (flymake-log 3 "starting syntax check as buffer was saved")
1404         (flymake-start-syntax-check)))) ; no more mode 3. cannot start check if mode 3 (to temp copies) is active - (???)
1405
1406 (defun flymake-kill-buffer-hook ()
1407   (when flymake-timer
1408     (cancel-timer flymake-timer)
1409     (setq flymake-timer nil)))
1410
1411 (defun flymake-find-file-hook ()
1412   ;;+(when flymake-start-syntax-check-on-find-file
1413   ;;+    (flymake-log 3 "starting syntax check on file open")
1414   ;;+    (flymake-start-syntax-check)
1415   ;;+)
1416   (when (and (not (local-variable-p 'flymake-mode (current-buffer)))
1417              (flymake-can-syntax-check-file buffer-file-name))
1418     (flymake-mode)
1419     (flymake-log 3 "automatically turned ON flymake mode")))
1420
1421 (defun flymake-get-first-err-line-no (err-info-list)
1422   "Return first line with error."
1423   (when err-info-list
1424     (flymake-er-get-line (car err-info-list))))
1425
1426 (defun flymake-get-last-err-line-no (err-info-list)
1427   "Return last line with error."
1428   (when err-info-list
1429     (flymake-er-get-line (nth (1- (length err-info-list)) err-info-list))))
1430
1431 (defun flymake-get-next-err-line-no (err-info-list line-no)
1432   "Return next line with error."
1433   (when err-info-list
1434     (let* ((count  (length err-info-list))
1435            (idx    0))
1436       (while (and (< idx count) (>= line-no (flymake-er-get-line (nth idx err-info-list))))
1437         (setq idx (1+ idx)))
1438       (if (< idx count)
1439           (flymake-er-get-line (nth idx err-info-list))))))
1440
1441 (defun flymake-get-prev-err-line-no (err-info-list line-no)
1442   "Return previous line with error."
1443   (when err-info-list
1444     (let* ((count (length err-info-list)))
1445       (while (and (> count 0) (<= line-no (flymake-er-get-line (nth (1- count) err-info-list))))
1446         (setq count (1- count)))
1447       (if (> count 0)
1448           (flymake-er-get-line (nth (1- count) err-info-list))))))
1449
1450 (defun flymake-skip-whitespace ()
1451   "Move forward until non-whitespace is reached."
1452   (while (looking-at "[ \t]")
1453     (forward-char)))
1454
1455 (defun flymake-goto-line (line-no)
1456   "Go to line LINE-NO, then skip whitespace."
1457   (goto-char (point-min))
1458   (forward-line (1- line-no))
1459   (flymake-skip-whitespace))
1460
1461 (defun flymake-goto-next-error ()
1462   "Go to next error in err ring."
1463   (interactive)
1464   (let ((line-no (flymake-get-next-err-line-no flymake-err-info (flymake-current-line-no))))
1465     (when (not line-no)
1466       (setq line-no (flymake-get-first-err-line-no flymake-err-info))
1467       (flymake-log 1 "passed end of file"))
1468     (if line-no
1469         (flymake-goto-line line-no)
1470       (flymake-log 1 "no errors in current buffer"))))
1471
1472 (defun flymake-goto-prev-error ()
1473   "Go to previous error in err ring."
1474   (interactive)
1475   (let ((line-no (flymake-get-prev-err-line-no flymake-err-info (flymake-current-line-no))))
1476     (when (not line-no)
1477       (setq line-no (flymake-get-last-err-line-no flymake-err-info))
1478       (flymake-log 1 "passed beginning of file"))
1479     (if line-no
1480         (flymake-goto-line line-no)
1481       (flymake-log 1 "no errors in current buffer"))))
1482
1483 (defun flymake-patch-err-text (string)
1484   (if (string-match "^[\n\t :0-9]*\\(.*\\)$" string)
1485       (match-string 1 string)
1486     string))
1487
1488 ;;;; general init-cleanup and helper routines
1489 (defun flymake-create-temp-inplace (file-name prefix)
1490   (unless (stringp file-name)
1491     (error "Invalid file-name"))
1492   (or prefix
1493       (setq prefix "flymake"))
1494   (let* ((temp-name   (concat (file-name-sans-extension file-name)
1495                               "_" prefix
1496                               (and (file-name-extension file-name)
1497                                    (concat "." (file-name-extension file-name))))))
1498     (flymake-log 3 "create-temp-inplace: file=%s temp=%s" file-name temp-name)
1499     temp-name))
1500
1501 (defun flymake-create-temp-with-folder-structure (file-name prefix)
1502   (unless (stringp file-name)
1503     (error "Invalid file-name"))
1504
1505   (let* ((dir       (file-name-directory file-name))
1506          ;; Not sure what this slash-pos is all about, but I guess it's just
1507          ;; trying to remove the leading / of absolute file names.
1508          (slash-pos (string-match "/" dir))
1509          (temp-dir  (expand-file-name (substring dir (1+ slash-pos))
1510                                       (flymake-get-temp-dir))))
1511
1512     (file-truename (expand-file-name (file-name-nondirectory file-name)
1513                                      temp-dir))))
1514
1515 (defun flymake-delete-temp-directory (dir-name)
1516   "Attempt to delete temp dir created by `flymake-create-temp-with-folder-structure', do not fail on error."
1517   (let* ((temp-dir    (flymake-get-temp-dir))
1518          (suffix      (substring dir-name (1+ (length temp-dir)))))
1519
1520     (while (> (length suffix) 0)
1521       (setq suffix (directory-file-name suffix))
1522       ;;+(flymake-log 0 "suffix=%s" suffix)
1523       (flymake-safe-delete-directory
1524        (file-truename (expand-file-name suffix temp-dir)))
1525       (setq suffix (file-name-directory suffix)))))
1526
1527 (defvar flymake-temp-source-file-name nil)
1528 (make-variable-buffer-local 'flymake-temp-source-file-name)
1529
1530 (defvar flymake-master-file-name nil)
1531 (make-variable-buffer-local 'flymake-master-file-name)
1532
1533 (defvar flymake-temp-master-file-name nil)
1534 (make-variable-buffer-local 'flymake-temp-master-file-name)
1535
1536 (defvar flymake-base-dir nil)
1537 (make-variable-buffer-local 'flymake-base-dir)
1538
1539 (defun flymake-init-create-temp-buffer-copy (create-temp-f)
1540   "Make a temporary copy of the current buffer, save its name in buffer data and return the name."
1541   (let*  ((source-file-name       buffer-file-name)
1542           (temp-source-file-name  (funcall create-temp-f source-file-name "flymake")))
1543
1544     (flymake-save-buffer-in-file temp-source-file-name)
1545     (setq flymake-temp-source-file-name temp-source-file-name)
1546     temp-source-file-name))
1547
1548 (defun flymake-simple-cleanup ()
1549   "Do cleanup after `flymake-init-create-temp-buffer-copy'.
1550 Delete temp file."
1551   (flymake-safe-delete-file flymake-temp-source-file-name)
1552   (setq flymake-last-change-time nil))
1553
1554 (defun flymake-get-real-file-name (file-name-from-err-msg)
1555   "Translate file name from error message to \"real\" file name.
1556 Return full-name.  Names are real, not patched."
1557   (let* ((real-name             nil)
1558          (source-file-name      buffer-file-name)
1559          (master-file-name      flymake-master-file-name)
1560          (temp-source-file-name flymake-temp-source-file-name)
1561          (temp-master-file-name flymake-temp-master-file-name)
1562          (base-dirs
1563           (list flymake-base-dir
1564                 (file-name-directory source-file-name)
1565                 (if master-file-name (file-name-directory master-file-name))))
1566          (files (list (list source-file-name       source-file-name)
1567                       (list temp-source-file-name  source-file-name)
1568                       (list master-file-name       master-file-name)
1569                       (list temp-master-file-name  master-file-name))))
1570
1571     (when (equal 0 (length file-name-from-err-msg))
1572       (setq file-name-from-err-msg source-file-name))
1573
1574     (setq real-name (flymake-get-full-patched-file-name file-name-from-err-msg base-dirs files))
1575     ;; if real-name is nil, than file name from err msg is none of the files we've patched
1576     (if (not real-name)
1577         (setq real-name (flymake-get-full-nonpatched-file-name file-name-from-err-msg base-dirs)))
1578     (if (not real-name)
1579         (setq real-name file-name-from-err-msg))
1580     (setq real-name (flymake-fix-file-name real-name))
1581     (flymake-log 3 "get-real-file-name: file-name=%s real-name=%s" file-name-from-err-msg real-name)
1582     real-name))
1583
1584 (defun flymake-get-full-patched-file-name (file-name-from-err-msg base-dirs files)
1585   (let* ((base-dirs-count  (length base-dirs))
1586          (file-count       (length files))
1587          (real-name        nil))
1588
1589     (while (and (not real-name) (> base-dirs-count 0))
1590       (setq file-count (length files))
1591       (while (and (not real-name) (> file-count 0))
1592         (let* ((this-dir        (nth (1- base-dirs-count) base-dirs))
1593                (this-file       (nth 0 (nth (1- file-count) files)))
1594                (this-real-name  (nth 1 (nth (1- file-count) files))))
1595           ;;+(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)
1596           (when (and this-dir this-file (flymake-same-files
1597                                          (expand-file-name file-name-from-err-msg this-dir)
1598                                          this-file))
1599             (setq real-name this-real-name)))
1600         (setq file-count (1- file-count)))
1601       (setq base-dirs-count (1- base-dirs-count)))
1602     real-name))
1603
1604 (defun flymake-get-full-nonpatched-file-name (file-name-from-err-msg base-dirs)
1605   (let* ((real-name  nil))
1606     (if (file-name-absolute-p file-name-from-err-msg)
1607         (setq real-name file-name-from-err-msg)
1608       (let* ((base-dirs-count  (length base-dirs)))
1609         (while (and (not real-name) (> base-dirs-count 0))
1610           (let* ((full-name (expand-file-name file-name-from-err-msg
1611                                               (nth (1- base-dirs-count) base-dirs))))
1612             (if (file-exists-p full-name)
1613                 (setq real-name full-name))
1614             (setq base-dirs-count (1- base-dirs-count))))))
1615     real-name))
1616
1617 (defun flymake-init-find-buildfile-dir (source-file-name buildfile-name)
1618   "Find buildfile, store its dir in buffer data and return its dir, if found."
1619   (let* ((buildfile-dir
1620           (flymake-find-buildfile buildfile-name
1621                                   (file-name-directory source-file-name))))
1622     (if buildfile-dir
1623         (setq flymake-base-dir buildfile-dir)
1624       (flymake-log 1 "no buildfile (%s) for %s" buildfile-name source-file-name)
1625       (flymake-report-fatal-status
1626        "NOMK" (format "No buildfile (%s) found for %s"
1627                       buildfile-name source-file-name)))))
1628
1629 (defun flymake-init-create-temp-source-and-master-buffer-copy (get-incl-dirs-f create-temp-f master-file-masks include-regexp)
1630   "Find master file (or buffer), create its copy along with a copy of the source file."
1631   (let* ((source-file-name       buffer-file-name)
1632          (temp-source-file-name  (flymake-init-create-temp-buffer-copy create-temp-f))
1633          (master-and-temp-master (flymake-create-master-file
1634                                   source-file-name temp-source-file-name
1635                                   get-incl-dirs-f create-temp-f
1636                                   master-file-masks include-regexp)))
1637
1638     (if (not master-and-temp-master)
1639         (progn
1640           (flymake-log 1 "cannot find master file for %s" source-file-name)
1641           (flymake-report-status "!" "")        ; NOMASTER
1642           nil)
1643       (setq flymake-master-file-name (nth 0 master-and-temp-master))
1644       (setq flymake-temp-master-file-name (nth 1 master-and-temp-master)))))
1645
1646 (defun flymake-master-cleanup ()
1647   (flymake-simple-cleanup)
1648   (flymake-safe-delete-file flymake-temp-master-file-name))
1649
1650 ;;;; make-specific init-cleanup routines
1651 (defun flymake-get-syntax-check-program-args (source-file-name base-dir use-relative-base-dir use-relative-source get-cmd-line-f)
1652   "Create a command line for syntax check using GET-CMD-LINE-F."
1653   (funcall get-cmd-line-f
1654            (if use-relative-source
1655                (file-relative-name source-file-name base-dir)
1656              source-file-name)
1657            (if use-relative-base-dir
1658                (file-relative-name base-dir
1659                                    (file-name-directory source-file-name))
1660              base-dir)))
1661
1662 (defun flymake-get-make-cmdline (source base-dir)
1663   (list "make"
1664         (list "-s"
1665               "-C"
1666               base-dir
1667               (concat "CHK_SOURCES=" source)
1668               "SYNTAX_CHECK_MODE=1"
1669               "check-syntax")))
1670
1671 (defun flymake-get-ant-cmdline (source base-dir)
1672   (list "ant"
1673         (list "-buildfile"
1674               (concat base-dir "/" "build.xml")
1675               (concat "-DCHK_SOURCES=" source)
1676               "check-syntax")))
1677
1678 (defun flymake-simple-make-init-impl (create-temp-f use-relative-base-dir use-relative-source build-file-name get-cmdline-f)
1679   "Create syntax check command line for a directly checked source file.
1680 Use CREATE-TEMP-F for creating temp copy."
1681   (let* ((args nil)
1682          (source-file-name   buffer-file-name)
1683          (buildfile-dir      (flymake-init-find-buildfile-dir source-file-name build-file-name)))
1684     (if buildfile-dir
1685         (let* ((temp-source-file-name  (flymake-init-create-temp-buffer-copy create-temp-f)))
1686           (setq args (flymake-get-syntax-check-program-args temp-source-file-name buildfile-dir
1687                                                             use-relative-base-dir use-relative-source
1688                                                             get-cmdline-f))))
1689     args))
1690
1691 (defun flymake-simple-make-init ()
1692   (flymake-simple-make-init-impl 'flymake-create-temp-inplace t t "Makefile" 'flymake-get-make-cmdline))
1693
1694 (defun flymake-master-make-init (get-incl-dirs-f master-file-masks include-regexp)
1695   "Create make command line for a source file checked via master file compilation."
1696   (let* ((make-args nil)
1697          (temp-master-file-name (flymake-init-create-temp-source-and-master-buffer-copy
1698                                  get-incl-dirs-f 'flymake-create-temp-inplace
1699                                  master-file-masks include-regexp)))
1700     (when temp-master-file-name
1701       (let* ((buildfile-dir (flymake-init-find-buildfile-dir temp-master-file-name "Makefile")))
1702         (if  buildfile-dir
1703             (setq make-args (flymake-get-syntax-check-program-args
1704                              temp-master-file-name buildfile-dir nil nil 'flymake-get-make-cmdline)))))
1705     make-args))
1706
1707 (defun flymake-find-make-buildfile (source-dir)
1708   (flymake-find-buildfile "Makefile" source-dir))
1709
1710 ;;;; .h/make specific
1711 (defun flymake-master-make-header-init ()
1712   (flymake-master-make-init
1713    'flymake-get-include-dirs
1714    '("\\.\\(?:c\\(?:pp\\|xx\\|\\+\\+\\)?\\|CC\\)\\'")
1715    "[ \t]*#[ \t]*include[ \t]*\"\\([[:word:]0-9/\\_.]*%s\\)\""))
1716
1717 ;;;; .java/make specific
1718 (defun flymake-simple-make-java-init ()
1719   (flymake-simple-make-init-impl 'flymake-create-temp-with-folder-structure nil nil "Makefile" 'flymake-get-make-cmdline))
1720
1721 (defun flymake-simple-ant-java-init ()
1722   (flymake-simple-make-init-impl 'flymake-create-temp-with-folder-structure nil nil "build.xml" 'flymake-get-ant-cmdline))
1723
1724 (defun flymake-simple-java-cleanup ()
1725   "Cleanup after `flymake-simple-make-java-init' -- delete temp file and dirs."
1726   (flymake-safe-delete-file flymake-temp-source-file-name)
1727   (when flymake-temp-source-file-name
1728     (flymake-delete-temp-directory
1729      (file-name-directory flymake-temp-source-file-name))))
1730
1731 ;;;; perl-specific init-cleanup routines
1732 (defun flymake-perl-init ()
1733   (let* ((temp-file   (flymake-init-create-temp-buffer-copy
1734                        'flymake-create-temp-inplace))
1735          (local-file  (file-relative-name
1736                        temp-file
1737                        (file-name-directory buffer-file-name))))
1738     (list "perl" (list "-wc " local-file))))
1739
1740 ;;;; php-specific init-cleanup routines
1741 (defun flymake-php-init ()
1742   (let* ((temp-file   (flymake-init-create-temp-buffer-copy
1743                        'flymake-create-temp-inplace))
1744          (local-file  (file-relative-name
1745                        temp-file
1746                        (file-name-directory buffer-file-name))))
1747     (list "php" (list "-f" local-file "-l"))))
1748
1749 ;;;; tex-specific init-cleanup routines
1750 (defun flymake-get-tex-args (file-name)
1751   ;;(list "latex" (list "-c-style-errors" file-name))
1752   (list "texify" (list "--pdf" "--tex-option=-c-style-errors" file-name)))
1753
1754 (defun flymake-simple-tex-init ()
1755   (flymake-get-tex-args (flymake-init-create-temp-buffer-copy 'flymake-create-temp-inplace)))
1756
1757 ;; Perhaps there should be a buffer-local variable flymake-master-file
1758 ;; that people can set to override this stuff.  Could inherit from
1759 ;; the similar AUCTeX variable.
1760 (defun flymake-master-tex-init ()
1761   (let* ((temp-master-file-name (flymake-init-create-temp-source-and-master-buffer-copy
1762                                  'flymake-get-include-dirs-dot 'flymake-create-temp-inplace
1763                                  '("\\.tex\\'")
1764                                  "[ \t]*\\in\\(?:put\\|clude\\)[ \t]*{\\(.*%s\\)}")))
1765     (when temp-master-file-name
1766       (flymake-get-tex-args temp-master-file-name))))
1767
1768 (defun flymake-get-include-dirs-dot (base-dir)
1769   '("."))
1770
1771 ;;;; xml-specific init-cleanup routines
1772 (defun flymake-xml-init ()
1773   (list "xml" (list "val" (flymake-init-create-temp-buffer-copy 'flymake-create-temp-inplace))))
1774
1775 (provide 'flymake)
1776
1777 ;;; flymake.el ends here