lisp/progmodes/flymake.el

   1 ;;; flymake.el -- a universal on-the-fly syntax checker
   2
   3 ;; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008
   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     ("\\.p[ml]\\'" flymake-perl-init)
 275     ("\\.php[345]?\\'" flymake-php-init)
 276     ("\\.h\\'" flymake-master-make-header-init flymake-master-cleanup)
 277     ("\\.java\\'" flymake-simple-make-java-init flymake-simple-java-cleanup)
 278     ("[0-9]+\\.tex\\'" flymake-master-tex-init flymake-master-cleanup)
 279     ("\\.tex\\'" flymake-simple-tex-init)
 280     ("\\.idl\\'" flymake-simple-make-init)
 281     ;; ("\\.cpp\\'" 1)
 282     ;; ("\\.java\\'" 3)
 283     ;; ("\\.h\\'" 2 ("\\.cpp\\'" "\\.c\\'")
 284     ;; ("[ \t]*#[ \t]*include[ \t]*\"\\([\w0-9/\\_\.]*[/\\]*\\)\\(%s\\)\"" 1 2))
 285     ;; ("\\.idl\\'" 1)
 286     ;; ("\\.odl\\'" 1)
 287     ;; ("[0-9]+\\.tex\\'" 2 ("\\.tex\\'")
 288     ;; ("[ \t]*\\input[ \t]*{\\(.*\\)\\(%s\\)}" 1 2 ))
 289     ;; ("\\.tex\\'" 1)
 290     )
 291   "*Files syntax checking is allowed for."
 292   :group 'flymake
 293   :type '(repeat (string symbol symbol symbol)))
 294
 295 (defun flymake-get-file-name-mode-and-masks (file-name)
 296   "Return the corresponding entry from `flymake-allowed-file-name-masks'."
 297   (unless (stringp file-name)
 298     (error "Invalid file-name"))
 299   (let ((fnm flymake-allowed-file-name-masks)
 300         (mode-and-masks  nil))
 301     (while (and (not mode-and-masks) fnm)
 302       (if (string-match (car (car fnm)) file-name)
 303           (setq mode-and-masks (cdr (car fnm))))
 304       (setq fnm (cdr fnm)))
 305     (flymake-log 3 "file %s, init=%s" file-name (car mode-and-masks))
 306     mode-and-masks))
 307
 308 (defun flymake-can-syntax-check-file (file-name)
 309   "Determine whether we can syntax check FILE-NAME.
 310 Return nil if we cannot, non-nil if we can."
 311   (if (flymake-get-init-function file-name) t nil))
 312
 313 (defun flymake-get-init-function (file-name)
 314   "Return init function to be used for the file."
 315   (let* ((init-f  (nth 0 (flymake-get-file-name-mode-and-masks file-name))))
 316     ;;(flymake-log 0 "calling %s" init-f)
 317     ;;(funcall init-f (current-buffer))
 318     init-f))
 319
 320 (defun flymake-get-cleanup-function (file-name)
 321   "Return cleanup function to be used for the file."
 322   (or (nth 1 (flymake-get-file-name-mode-and-masks file-name))
 323       'flymake-simple-cleanup))
 324
 325 (defun flymake-get-real-file-name-function (file-name)
 326   (or (nth 2 (flymake-get-file-name-mode-and-masks file-name))
 327       'flymake-get-real-file-name))
 328
 329 (defvar flymake-find-buildfile-cache (flymake-makehash 'equal))
 330
 331 (defun flymake-get-buildfile-from-cache (dir-name)
 332   (gethash dir-name flymake-find-buildfile-cache))
 333
 334 (defun flymake-add-buildfile-to-cache (dir-name buildfile)
 335   (puthash dir-name buildfile flymake-find-buildfile-cache))
 336
 337 (defun flymake-clear-buildfile-cache ()
 338   (clrhash flymake-find-buildfile-cache))
 339
 340 (defun flymake-find-buildfile (buildfile-name source-dir-name)
 341   "Find buildfile starting from current directory.
 342 Buildfile includes Makefile, build.xml etc.
 343 Return its file name if found, or nil if not found."
 344   (or (flymake-get-buildfile-from-cache source-dir-name)
 345       (let* ((file (locate-dominating-file
 346                     source-dir-name
 347                     (concat "\\`" (regexp-quote buildfile-name) "\\'"))))
 348         (if file
 349             (progn
 350               (flymake-log 3 "found buildfile at %s" file)
 351               (setq file (file-name-directory file))
 352               (flymake-add-buildfile-to-cache source-dir-name file)
 353               file)
 354           (progn
 355             (flymake-log 3 "buildfile for %s not found" source-dir-name)
 356             nil)))))
 357
 358 (defun flymake-fix-file-name (name)
 359   "Replace all occurrences of '\' with '/'."
 360   (when name
 361     (setq name (expand-file-name name))
 362     (setq name (abbreviate-file-name name))
 363     (setq name (directory-file-name name))
 364     name))
 365
 366 (defun flymake-same-files (file-name-one file-name-two)
 367   "Check if FILE-NAME-ONE and FILE-NAME-TWO point to same file.
 368 Return t if so, nil if not."
 369   (equal (flymake-fix-file-name file-name-one)
 370          (flymake-fix-file-name file-name-two)))
 371
 372 (defcustom flymake-master-file-dirs '("." "./src" "./UnitTest")
 373   "Dirs where to look for master files."
 374   :group 'flymake
 375   :type '(repeat (string)))
 376
 377 (defcustom flymake-master-file-count-limit 32
 378   "Max number of master files to check."
 379   :group 'flymake
 380   :type 'integer)
 381
 382 ;; This is bound dynamically to pass a parameter to a sort predicate below
 383 (defvar flymake-included-file-name)
 384
 385 (defun flymake-find-possible-master-files (file-name master-file-dirs masks)
 386   "Find (by name and location) all possible master files.
 387 Master files are .cpp and .c for and .h.  Files are searched for
 388 starting from the .h directory and max max-level parent dirs.
 389 File contents are not checked."
 390   (let* ((dirs master-file-dirs)
 391          (files  nil)
 392          (done   nil))
 393
 394     (while (and (not done) dirs)
 395       (let* ((dir (expand-file-name (car dirs) (file-name-directory file-name)))
 396              (masks masks))
 397         (while (and (file-exists-p dir) (not done) masks)
 398           (let* ((mask        (car masks))
 399                  (dir-files   (directory-files dir t mask)))
 400
 401             (flymake-log 3 "dir %s, %d file(s) for mask %s"
 402                          dir (length dir-files) mask)
 403             (while (and (not done) dir-files)
 404               (when (not (file-directory-p (car dir-files)))
 405                 (setq files (cons (car dir-files) files))
 406                 (when (>= (length files) flymake-master-file-count-limit)
 407                   (flymake-log 3 "master file count limit (%d) reached" flymake-master-file-count-limit)
 408                   (setq done t)))
 409               (setq dir-files (cdr dir-files))))
 410           (setq masks (cdr masks))))
 411       (setq dirs (cdr dirs)))
 412     (when files
 413       (let ((flymake-included-file-name (file-name-nondirectory file-name)))
 414         (setq files (sort files 'flymake-master-file-compare))))
 415     (flymake-log 3 "found %d possible master file(s)" (length files))
 416     files))
 417
 418 (defun flymake-master-file-compare (file-one file-two)
 419   "Compare two files specified by FILE-ONE and FILE-TWO.
 420 This function is used in sort to move most possible file names
 421 to the beginning of the list (File.h -> File.cpp moved to top)."
 422   (and (equal (file-name-sans-extension flymake-included-file-name)
 423               (file-name-sans-extension (file-name-nondirectory file-one)))
 424        (not (equal file-one file-two))))
 425
 426 (defcustom flymake-check-file-limit 8192
 427   "Max number of chars to look at when checking possible master file."
 428   :group 'flymake
 429   :type 'integer)
 430
 431 (defun flymake-check-patch-master-file-buffer
 432        (master-file-temp-buffer
 433         master-file-name patched-master-file-name
 434         source-file-name patched-source-file-name
 435         include-dirs regexp)
 436   "Check if MASTER-FILE-NAME is a master file for SOURCE-FILE-NAME.
 437 For .cpp master file this means it includes SOURCE-FILE-NAME (.h).
 438 If yes, patch a copy of MASTER-FILE-NAME to include PATCHED-SOURCE-FILE-NAME
 439 instead of SOURCE-FILE-NAME.
 440 Whether a buffer for MATER-FILE-NAME exists, use it as a source
 441 instead of reading master file from disk."
 442   (let* ((source-file-nondir (file-name-nondirectory source-file-name))
 443          (found                     nil)
 444          (inc-name                  nil)
 445          (search-limit              flymake-check-file-limit))
 446     (setq regexp
 447           (format regexp        ; "[ \t]*#[ \t]*include[ \t]*\"\\(.*%s\\)\""
 448                   (regexp-quote source-file-nondir)))
 449     (unwind-protect
 450         (with-current-buffer master-file-temp-buffer
 451           (when (> search-limit (point-max))
 452             (setq search-limit (point-max)))
 453           (flymake-log 3 "checking %s against regexp %s"
 454                        master-file-name regexp)
 455           (goto-char (point-min))
 456           (while (and (< (point) search-limit)
 457                       (re-search-forward regexp search-limit t))
 458             (let ((match-beg   (match-beginning 1))
 459                   (match-end   (match-end 1)))
 460
 461               (flymake-log 3 "found possible match for %s" source-file-nondir)
 462               (setq inc-name (match-string 1))
 463               (when (eq t (compare-strings
 464                            source-file-nondir nil nil
 465                            inc-name (- (length inc-name)
 466                                        (length source-file-nondir)) nil))
 467                 (flymake-log 3 "inc-name=%s" inc-name)
 468                 (when (flymake-check-include source-file-name inc-name
 469                                              include-dirs)
 470                   (setq found t)
 471                   ;;  replace-match is not used here as it fails in
 472                   ;; XEmacs with 'last match not a buffer' error as
 473                   ;; check-includes calls replace-in-string
 474                   (flymake-replace-region
 475                    match-beg match-end
 476                    (file-name-nondirectory patched-source-file-name))))
 477               (forward-line 1)))
 478           (when found
 479             (flymake-save-buffer-in-file patched-master-file-name)))
 480       ;;+(flymake-log 3 "killing buffer %s"
 481       ;;                (buffer-name master-file-temp-buffer))
 482       (kill-buffer master-file-temp-buffer))
 483     ;;+(flymake-log 3 "check-patch master file %s: %s" master-file-name found)
 484     (when found
 485       (flymake-log 2 "found master file %s" master-file-name))
 486     found))
 487
 488 (defun flymake-replace-region (beg end rep)
 489   "Replace text in BUFFER in region (BEG END) with REP."
 490   (save-excursion
 491     (goto-char end)
 492     ;; Insert before deleting, so as to better preserve markers's positions.
 493     (insert rep)
 494     (delete-region beg end)))
 495
 496 (defun flymake-read-file-to-temp-buffer (file-name)
 497   "Insert contents of FILE-NAME into newly created temp buffer."
 498   (let* ((temp-buffer (get-buffer-create (generate-new-buffer-name (concat "flymake:" (file-name-nondirectory file-name))))))
 499     (with-current-buffer temp-buffer
 500       (insert-file-contents file-name))
 501     temp-buffer))
 502
 503 (defun flymake-copy-buffer-to-temp-buffer (buffer)
 504   "Copy contents of BUFFER into newly created temp buffer."
 505   (with-current-buffer
 506       (get-buffer-create (generate-new-buffer-name
 507                           (concat "flymake:" (buffer-name buffer))))
 508     (insert-buffer-substring buffer)
 509     (current-buffer)))
 510
 511 (defun flymake-check-include (source-file-name inc-name include-dirs)
 512   "Check if SOURCE-FILE-NAME can be found in include path.
 513 Return t if it can be found via include path using INC-NAME."
 514   (if (file-name-absolute-p inc-name)
 515       (flymake-same-files source-file-name inc-name)
 516     (while (and include-dirs
 517                 (not (flymake-same-files
 518                       source-file-name
 519                       (concat (file-name-directory source-file-name)
 520                               "/" (car include-dirs)
 521                               "/" inc-name))))
 522       (setq include-dirs (cdr include-dirs)))
 523     include-dirs))
 524
 525 (defun flymake-find-buffer-for-file (file-name)
 526   "Check if there exists a buffer visiting FILE-NAME.
 527 Return t if so, nil if not."
 528   (let ((buffer-name (get-file-buffer file-name)))
 529     (if buffer-name
 530         (get-buffer buffer-name))))
 531
 532 (defun flymake-create-master-file (source-file-name patched-source-file-name get-incl-dirs-f create-temp-f masks include-regexp)
 533   "Save SOURCE-FILE-NAME with a different name.
 534 Find master file, patch and save it."
 535   (let* ((possible-master-files     (flymake-find-possible-master-files source-file-name flymake-master-file-dirs masks))
 536          (master-file-count         (length possible-master-files))
 537          (idx                       0)
 538          (temp-buffer               nil)
 539          (master-file-name          nil)
 540          (patched-master-file-name  nil)
 541          (found                     nil))
 542
 543     (while (and (not found) (< idx master-file-count))
 544       (setq master-file-name (nth idx possible-master-files))
 545       (setq patched-master-file-name (funcall create-temp-f master-file-name "flymake_master"))
 546       (if (flymake-find-buffer-for-file master-file-name)
 547           (setq temp-buffer (flymake-copy-buffer-to-temp-buffer (flymake-find-buffer-for-file master-file-name)))
 548         (setq temp-buffer (flymake-read-file-to-temp-buffer master-file-name)))
 549       (setq found
 550             (flymake-check-patch-master-file-buffer
 551              temp-buffer
 552              master-file-name
 553              patched-master-file-name
 554              source-file-name
 555              patched-source-file-name
 556              (funcall get-incl-dirs-f (file-name-directory master-file-name))
 557              include-regexp))
 558       (setq idx (1+ idx)))
 559     (if found
 560         (list master-file-name patched-master-file-name)
 561       (progn
 562         (flymake-log 3 "none of %d master file(s) checked includes %s" master-file-count
 563                      (file-name-nondirectory source-file-name))
 564         nil))))
 565
 566 (defun flymake-save-buffer-in-file (file-name)
 567   (save-restriction
 568     (widen)
 569     (make-directory (file-name-directory file-name) 1)
 570     (write-region (point-min) (point-max) file-name nil 566))
 571   (flymake-log 3 "saved buffer %s in file %s" (buffer-name) file-name))
 572
 573 (defun flymake-save-string-to-file (file-name data)
 574   "Save string DATA to file FILE-NAME."
 575   (write-region data nil file-name nil 566))
 576
 577 (defun flymake-read-file-to-string (file-name)
 578   "Read contents of file FILE-NAME and return as a string."
 579   (with-temp-buffer
 580     (insert-file-contents file-name)
 581     (buffer-substring (point-min) (point-max))))
 582
 583 (defun flymake-process-filter (process output)
 584   "Parse OUTPUT and highlight error lines.
 585 It's flymake process filter."
 586   (let ((source-buffer (process-buffer process)))
 587
 588     (flymake-log 3 "received %d byte(s) of output from process %d"
 589                  (length output) (process-id process))
 590     (when source-buffer
 591       (with-current-buffer source-buffer
 592         (flymake-parse-output-and-residual output)))))
 593
 594 (defun flymake-process-sentinel (process event)
 595   "Sentinel for syntax check buffers."
 596   (when (memq (process-status process) '(signal exit))
 597     (let* ((exit-status       (process-exit-status process))
 598            (command           (process-command process))
 599            (source-buffer     (process-buffer process))
 600            (cleanup-f         (flymake-get-cleanup-function (buffer-file-name source-buffer))))
 601
 602       (flymake-log 2 "process %d exited with code %d"
 603                    (process-id process) exit-status)
 604       (condition-case err
 605           (progn
 606             (flymake-log 3 "cleaning up using %s" cleanup-f)
 607             (when (buffer-live-p source-buffer)
 608               (with-current-buffer source-buffer
 609                 (funcall cleanup-f)))
 610
 611             (delete-process process)
 612             (setq flymake-processes (delq process flymake-processes))
 613
 614             (when (buffer-live-p source-buffer)
 615               (with-current-buffer source-buffer
 616
 617                 (flymake-parse-residual)
 618                 (flymake-post-syntax-check exit-status command)
 619                 (setq flymake-is-running nil))))
 620         (error
 621          (let ((err-str (format "Error in process sentinel for buffer %s: %s"
 622                                 source-buffer (error-message-string err))))
 623            (flymake-log 0 err-str)
 624            (with-current-buffer source-buffer
 625              (setq flymake-is-running nil))))))))
 626
 627 (defun flymake-post-syntax-check (exit-status command)
 628   (setq flymake-err-info flymake-new-err-info)
 629   (setq flymake-new-err-info nil)
 630   (setq flymake-err-info
 631         (flymake-fix-line-numbers
 632          flymake-err-info 1 (flymake-count-lines)))
 633   (flymake-delete-own-overlays)
 634   (flymake-highlight-err-lines flymake-err-info)
 635   (let (err-count warn-count)
 636     (setq err-count (flymake-get-err-count flymake-err-info "e"))
 637     (setq warn-count  (flymake-get-err-count flymake-err-info "w"))
 638     (flymake-log 2 "%s: %d error(s), %d warning(s) in %.2f second(s)"
 639                  (buffer-name) err-count warn-count
 640                  (- (flymake-float-time) flymake-check-start-time))
 641     (setq flymake-check-start-time nil)
 642
 643     (if (and (equal 0 err-count) (equal 0 warn-count))
 644         (if (equal 0 exit-status)
 645             (flymake-report-status "" "")       ; PASSED
 646           (if (not flymake-check-was-interrupted)
 647               (flymake-report-fatal-status "CFGERR"
 648                                            (format "Configuration error has occured while running %s" command))
 649             (flymake-report-status nil ""))) ; "STOPPED"
 650       (flymake-report-status (format "%d/%d" err-count warn-count) ""))))
 651
 652 (defun flymake-parse-output-and-residual (output)
 653   "Split OUTPUT into lines, merge in residual if necessary."
 654   (let* ((buffer-residual     flymake-output-residual)
 655          (total-output        (if buffer-residual (concat buffer-residual output) output))
 656          (lines-and-residual  (flymake-split-output total-output))
 657          (lines               (nth 0 lines-and-residual))
 658          (new-residual        (nth 1 lines-and-residual)))
 659     (setq flymake-output-residual new-residual)
 660     (setq flymake-new-err-info
 661           (flymake-parse-err-lines
 662            flymake-new-err-info lines))))
 663
 664 (defun flymake-parse-residual ()
 665   "Parse residual if it's non empty."
 666   (when flymake-output-residual
 667     (setq flymake-new-err-info
 668           (flymake-parse-err-lines
 669            flymake-new-err-info
 670            (list flymake-output-residual)))
 671     (setq flymake-output-residual nil)))
 672
 673 (defun flymake-er-make-er (line-no line-err-info-list)
 674   (list line-no line-err-info-list))
 675
 676 (defun flymake-er-get-line (err-info)
 677   (nth 0 err-info))
 678
 679 (defun flymake-er-get-line-err-info-list (err-info)
 680   (nth 1 err-info))
 681
 682 (defstruct (flymake-ler
 683             (:constructor nil)
 684             (:constructor flymake-ler-make-ler (file line type text &optional full-file)))
 685   file line type text full-file)
 686
 687 (defun flymake-ler-set-file (line-err-info file)
 688   (flymake-ler-make-ler file
 689                         (flymake-ler-line line-err-info)
 690                         (flymake-ler-type line-err-info)
 691                         (flymake-ler-text line-err-info)
 692                         (flymake-ler-full-file line-err-info)))
 693
 694 (defun flymake-ler-set-full-file (line-err-info full-file)
 695   (flymake-ler-make-ler (flymake-ler-file line-err-info)
 696                         (flymake-ler-line line-err-info)
 697                         (flymake-ler-type line-err-info)
 698                         (flymake-ler-text line-err-info)
 699                         full-file))
 700
 701 (defun flymake-ler-set-line (line-err-info line)
 702   (flymake-ler-make-ler (flymake-ler-file line-err-info)
 703                         line
 704                         (flymake-ler-type line-err-info)
 705                         (flymake-ler-text line-err-info)
 706                         (flymake-ler-full-file line-err-info)))
 707
 708 (defun flymake-get-line-err-count (line-err-info-list type)
 709   "Return number of errors of specified TYPE.
 710 Value of TYPE is either \"e\" or \"w\"."
 711   (let* ((idx        0)
 712          (count      (length line-err-info-list))
 713          (err-count  0))
 714
 715     (while (< idx count)
 716       (when (equal type (flymake-ler-type (nth idx line-err-info-list)))
 717         (setq err-count (1+ err-count)))
 718       (setq idx (1+ idx)))
 719     err-count))
 720
 721 (defun flymake-get-err-count (err-info-list type)
 722   "Return number of errors of specified TYPE for ERR-INFO-LIST."
 723   (let* ((idx        0)
 724          (count      (length err-info-list))
 725          (err-count  0))
 726     (while (< idx count)
 727       (setq err-count (+ err-count (flymake-get-line-err-count (nth 1 (nth idx err-info-list)) type)))
 728       (setq idx (1+ idx)))
 729     err-count))
 730
 731 (defun flymake-fix-line-numbers (err-info-list min-line max-line)
 732   "Replace line numbers with fixed value.
 733 If line-numbers is less than MIN-LINE, set line numbers to MIN-LINE.
 734 If line numbers is greater than MAX-LINE, set line numbers to MAX-LINE.
 735 The reason for this fix is because some compilers might report
 736 line number outside the file being compiled."
 737   (let* ((count     (length err-info-list))
 738          (err-info  nil)
 739          (line      0))
 740     (while (> count 0)
 741       (setq err-info (nth (1- count) err-info-list))
 742       (setq line (flymake-er-get-line err-info))
 743       (when (or (< line min-line) (> line max-line))
 744         (setq line (if (< line min-line) min-line max-line))
 745         (setq err-info-list (flymake-set-at err-info-list (1- count)
 746                                             (flymake-er-make-er line
 747                                                                 (flymake-er-get-line-err-info-list err-info)))))
 748       (setq count (1- count))))
 749   err-info-list)
 750
 751 (defun flymake-highlight-err-lines (err-info-list)
 752   "Highlight error lines in BUFFER using info from ERR-INFO-LIST."
 753   (save-excursion
 754     (dolist (err err-info-list)
 755       (flymake-highlight-line (car err) (nth 1 err)))))
 756
 757 (defun flymake-overlay-p (ov)
 758   "Determine whether overlay OV was created by flymake."
 759   (and (overlayp ov) (overlay-get ov 'flymake-overlay)))
 760
 761 (defun flymake-make-overlay (beg end tooltip-text face mouse-face)
 762   "Allocate a flymake overlay in range BEG and END."
 763   (when (not (flymake-region-has-flymake-overlays beg end))
 764     (let ((ov (make-overlay beg end nil t t)))
 765       (overlay-put ov 'face           face)
 766       (overlay-put ov 'mouse-face     mouse-face)
 767       (overlay-put ov 'help-echo      tooltip-text)
 768       (overlay-put ov 'flymake-overlay  t)
 769       (overlay-put ov 'priority 100)
 770       ;;+(flymake-log 3 "created overlay %s" ov)
 771       ov)
 772     (flymake-log 3 "created an overlay at (%d-%d)" beg end)))
 773
 774 (defun flymake-delete-own-overlays ()
 775   "Delete all flymake overlays in BUFFER."
 776   (dolist (ol (overlays-in (point-min) (point-max)))
 777     (when (flymake-overlay-p ol)
 778       (delete-overlay ol)
 779       ;;+(flymake-log 3 "deleted overlay %s" ol)
 780       )))
 781
 782 (defun flymake-region-has-flymake-overlays (beg end)
 783   "Check if region specified by BEG and END has overlay.
 784 Return t if it has at least one flymake overlay, nil if no overlay."
 785   (let ((ov                  (overlays-in beg end))
 786         (has-flymake-overlays  nil))
 787     (while (consp ov)
 788       (when (flymake-overlay-p (car ov))
 789         (setq has-flymake-overlays t))
 790       (setq ov (cdr ov)))
 791     has-flymake-overlays))
 792
 793 (defface flymake-errline
 794   ;;+   '((((class color)) (:foreground "OrangeRed" :bold t :underline t))
 795   ;;+   '((((class color)) (:underline "OrangeRed"))
 796   '((((class color)) (:background "LightPink"))
 797     (t (:bold t)))
 798   "Face used for marking error lines."
 799   :group 'flymake)
 800
 801 (defface flymake-warnline
 802   '((((class color)) (:background "LightBlue2"))
 803     (t (:bold t)))
 804   "Face used for marking warning lines."
 805   :group 'flymake)
 806
 807 (defun flymake-highlight-line (line-no line-err-info-list)
 808   "Highlight line LINE-NO in current buffer.
 809 Perhaps use text from LINE-ERR-INFO-LIST to enhance highlighting."
 810   (goto-line line-no)
 811   (let* ((line-beg (flymake-line-beginning-position))
 812          (line-end (flymake-line-end-position))
 813          (beg      line-beg)
 814          (end      line-end)
 815          (tooltip-text (flymake-ler-text (nth 0 line-err-info-list)))
 816          (face     nil))
 817
 818     (goto-char line-beg)
 819     (while (looking-at "[ \t]")
 820       (forward-char))
 821
 822     (setq beg (point))
 823
 824     (goto-char line-end)
 825     (while (and (looking-at "[ \t\r\n]") (> (point) 1))
 826       (backward-char))
 827
 828     (setq end (1+ (point)))
 829
 830     (when (<= end beg)
 831       (setq beg line-beg)
 832       (setq end line-end))
 833
 834     (when (= end beg)
 835       (goto-char end)
 836       (forward-line)
 837       (setq end (point)))
 838
 839     (if (> (flymake-get-line-err-count line-err-info-list "e") 0)
 840         (setq face 'flymake-errline)
 841       (setq face 'flymake-warnline))
 842
 843     (flymake-make-overlay beg end tooltip-text face nil)))
 844
 845 (defun flymake-parse-err-lines (err-info-list lines)
 846   "Parse err LINES, store info in ERR-INFO-LIST."
 847   (let* ((count              (length lines))
 848          (idx                0)
 849          (line-err-info      nil)
 850          (real-file-name     nil)
 851          (source-file-name   buffer-file-name)
 852          (get-real-file-name-f (flymake-get-real-file-name-function source-file-name)))
 853
 854     (while (< idx count)
 855       (setq line-err-info (flymake-parse-line (nth idx lines)))
 856       (when line-err-info
 857         (setq real-file-name (funcall get-real-file-name-f
 858                                       (flymake-ler-file line-err-info)))
 859         (setq line-err-info (flymake-ler-set-full-file line-err-info real-file-name))
 860
 861         (if (flymake-same-files real-file-name source-file-name)
 862             (setq line-err-info (flymake-ler-set-file line-err-info nil))
 863           (setq line-err-info (flymake-ler-set-file line-err-info (file-name-nondirectory real-file-name))))
 864
 865         (setq err-info-list (flymake-add-err-info err-info-list line-err-info)))
 866       (flymake-log 3 "parsed '%s', %s line-err-info" (nth idx lines) (if line-err-info "got" "no"))
 867       (setq idx (1+ idx)))
 868     err-info-list))
 869
 870 (defun flymake-split-output (output)
 871   "Split OUTPUT into lines.
 872 Return last one as residual if it does not end with newline char.
 873 Returns ((LINES) RESIDUAL)."
 874   (when (and output (> (length output) 0))
 875     (let* ((lines (flymake-split-string output "[\n\r]+"))
 876            (complete (equal "\n" (char-to-string (aref output (1- (length output))))))
 877            (residual nil))
 878       (when (not complete)
 879         (setq residual (car (last lines)))
 880         (setq lines (butlast lines)))
 881       (list lines residual))))
 882
 883 (defun flymake-reformat-err-line-patterns-from-compile-el (original-list)
 884   "Grab error line patterns from ORIGINAL-LIST in compile.el format.
 885 Convert it to flymake internal format."
 886   (let* ((converted-list '()))
 887     (dolist (item original-list)
 888       (setq item (cdr item))
 889       (let ((regexp (nth 0 item))
 890             (file (nth 1 item))
 891             (line (nth 2 item))
 892             (col (nth 3 item)))
 893         (if (consp file)        (setq file (car file)))
 894         (if (consp line)        (setq line (car line)))
 895         (if (consp col) (setq col (car col)))
 896
 897         (when (not (functionp line))
 898           (setq converted-list (cons (list regexp file line col) converted-list)))))
 899     converted-list))
 900
 901 (require 'compile)
 902
 903 (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
 904   (append
 905    '(
 906      ;; MS Visual C++ 6.0
 907      ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\)) \: \\(\\(error\\|warning\\|fatal error\\) \\(C[0-9]+\\):[ \t\n]*\\(.+\\)\\)"
 908       1 3 nil 4)
 909      ;; jikes
 910      ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)\:\\([0-9]+\\)\:[0-9]+\:[0-9]+\:[0-9]+\: \\(\\(Error\\|Warning\\|Caution\\|Semantic Error\\):[ \t\n]*\\(.+\\)\\)"
 911       1 3 nil 4)
 912      ;; MS midl
 913      ("midl[ ]*:[ ]*\\(command line error .*\\)"
 914       nil nil nil 1)
 915      ;; MS C#
 916      ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\),[0-9]+)\: \\(\\(error\\|warning\\|fatal error\\) \\(CS[0-9]+\\):[ \t\n]*\\(.+\\)\\)"
 917       1 3 nil 4)
 918      ;; perl
 919      ("\\(.*\\) at \\([^ \n]+\\) line \\([0-9]+\\)[,.\n]" 2 3 nil 1)
 920      ;; PHP
 921      ("\\(?:Parse\\|Fatal\\) error: \\(.*\\) in \\(.*\\) on line \\([0-9]+\\)" 2 3 nil 1)
 922      ;; LaTeX warnings (fileless) ("\\(LaTeX \\(Warning\\|Error\\): .*\\) on input line \\([0-9]+\\)" 20 3 nil 1)
 923      ;; ant/javac
 924      (" *\\(\\[javac\\] *\\)?\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)\:\\([0-9]+\\)\:[ \t\n]*\\(.+\\)"
 925       2 4 nil 5))
 926    ;; compilation-error-regexp-alist)
 927    (flymake-reformat-err-line-patterns-from-compile-el compilation-error-regexp-alist-alist))
 928   "Patterns for matching error/warning lines.  Each pattern has the form
 929 \(REGEXP FILE-IDX LINE-IDX COL-IDX ERR-TEXT-IDX).
 930 Use `flymake-reformat-err-line-patterns-from-compile-el' to add patterns
 931 from compile.el")
 932
 933 ;;(defcustom flymake-err-line-patterns
 934 ;;  '(
 935 ;;    ; MS Visual C++ 6.0
 936 ;;    ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\)) \: \\(\\(error\\|warning\\|fatal error\\) \\(C[0-9]+\\):[ \t\n]*\\(.+\\)\\)"
 937 ;;       1 3 4)
 938 ;;   ; jikes
 939 ;;   ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)\:\\([0-9]+\\)\:[0-9]+\:[0-9]+\:[0-9]+\: \\(\\(Error\\|Warning\\|Caution\\):[ \t\n]*\\(.+\\)\\)"
 940 ;;       1 3 4))
 941 ;;    "patterns for matching error/warning lines, (regexp file-idx line-idx err-text-idx)"
 942 ;;   :group 'flymake
 943 ;;   :type '(repeat (string number number number))
 944 ;;)
 945
 946 (defun flymake-parse-line (line)
 947   "Parse LINE to see if it is an error or warning.
 948 Return its components if so, nil otherwise."
 949   (let ((raw-file-name nil)
 950         (line-no 0)
 951         (err-type "e")
 952         (err-text nil)
 953         (patterns flymake-err-line-patterns)
 954         (matched nil))
 955     (while (and patterns (not matched))
 956       (when (string-match (car (car patterns)) line)
 957         (let* ((file-idx (nth 1 (car patterns)))
 958                (line-idx (nth 2 (car patterns))))
 959
 960           (setq raw-file-name (if file-idx (match-string file-idx line) nil))
 961           (setq line-no       (if line-idx (string-to-number (match-string line-idx line)) 0))
 962           (setq err-text      (if (> (length (car patterns)) 4)
 963                                   (match-string (nth 4 (car patterns)) line)
 964                                 (flymake-patch-err-text (substring line (match-end 0)))))
 965           (or err-text (setq err-text "<no error text>"))
 966           (if (and err-text (string-match "^[wW]arning" err-text))
 967               (setq err-type "w")
 968             )
 969           (flymake-log 3 "parse line: file-idx=%s line-idx=%s file=%s line=%s text=%s" file-idx line-idx
 970                        raw-file-name line-no err-text)
 971           (setq matched t)))
 972       (setq patterns (cdr patterns)))
 973     (if matched
 974         (flymake-ler-make-ler raw-file-name line-no err-type err-text)
 975       ())))
 976
 977 (defun flymake-find-err-info (err-info-list line-no)
 978   "Find (line-err-info-list pos) for specified LINE-NO."
 979   (if err-info-list
 980       (let* ((line-err-info-list  nil)
 981              (pos       0)
 982              (count     (length err-info-list)))
 983
 984         (while (and (< pos count) (< (car (nth pos err-info-list)) line-no))
 985           (setq pos (1+ pos)))
 986         (when (and (< pos count) (equal (car (nth pos err-info-list)) line-no))
 987           (setq line-err-info-list (flymake-er-get-line-err-info-list (nth pos err-info-list))))
 988         (list line-err-info-list pos))
 989     '(nil 0)))
 990
 991 (defun flymake-line-err-info-is-less-or-equal (line-one line-two)
 992   (or (string< (flymake-ler-type line-one) (flymake-ler-type line-two))
 993       (and (string= (flymake-ler-type line-one) (flymake-ler-type line-two))
 994            (not (flymake-ler-file line-one)) (flymake-ler-file line-two))
 995       (and (string= (flymake-ler-type line-one) (flymake-ler-type line-two))
 996            (or (and      (flymake-ler-file line-one)       (flymake-ler-file line-two))
 997                (and (not (flymake-ler-file line-one)) (not (flymake-ler-file line-two)))))))
 998
 999 (defun flymake-add-line-err-info (line-err-info-list line-err-info)
1000   "Update LINE-ERR-INFO-LIST with the error LINE-ERR-INFO.
1001 For the format of LINE-ERR-INFO, see `flymake-ler-make-ler'.
1002 The new element is inserted in the proper position, according to
1003 the predicate `flymake-line-err-info-is-less-or-equal'.
1004 The updated value of LINE-ERR-INFO-LIST is returned."
1005   (if (not line-err-info-list)
1006       (list line-err-info)
1007     (let* ((count  (length line-err-info-list))
1008            (idx    0))
1009       (while (and (< idx count) (flymake-line-err-info-is-less-or-equal (nth idx line-err-info-list) line-err-info))
1010         (setq idx (1+ idx)))
1011       (cond ((equal 0     idx)    (setq line-err-info-list (cons line-err-info line-err-info-list)))
1012             (t                    (setq line-err-info-list (flymake-ins-after line-err-info-list (1- idx) line-err-info))))
1013       line-err-info-list)))
1014
1015 (defun flymake-add-err-info (err-info-list line-err-info)
1016   "Update ERR-INFO-LIST with the error LINE-ERR-INFO, preserving sort order.
1017 Returns the updated value of ERR-INFO-LIST.
1018 For the format of ERR-INFO-LIST, see `flymake-err-info'.
1019 For the format of LINE-ERR-INFO, see `flymake-ler-make-ler'."
1020   (let* ((line-no             (if (flymake-ler-file line-err-info) 1 (flymake-ler-line line-err-info)))
1021          (info-and-pos        (flymake-find-err-info err-info-list line-no))
1022          (exists              (car info-and-pos))
1023          (pos                 (nth 1 info-and-pos))
1024          (line-err-info-list  nil)
1025          (err-info            nil))
1026
1027     (if exists
1028         (setq line-err-info-list (flymake-er-get-line-err-info-list (car (nthcdr pos err-info-list)))))
1029     (setq line-err-info-list (flymake-add-line-err-info line-err-info-list line-err-info))
1030
1031     (setq err-info (flymake-er-make-er line-no line-err-info-list))
1032     (cond (exists             (setq err-info-list (flymake-set-at err-info-list pos err-info)))
1033           ((equal 0 pos)      (setq err-info-list (cons err-info err-info-list)))
1034           (t                  (setq err-info-list (flymake-ins-after err-info-list (1- pos) err-info))))
1035     err-info-list))
1036
1037 (defun flymake-get-project-include-dirs-imp (basedir)
1038   "Include dirs for the project current file belongs to."
1039   (if (flymake-get-project-include-dirs-from-cache basedir)
1040       (progn
1041         (flymake-get-project-include-dirs-from-cache basedir))
1042     ;;else
1043     (let* ((command-line  (concat "make -C "
1044                                   (shell-quote-argument basedir)
1045                                   " DUMPVARS=INCLUDE_DIRS dumpvars"))
1046            (output        (shell-command-to-string command-line))
1047            (lines         (flymake-split-string output "\n"))
1048            (count         (length lines))
1049            (idx           0)
1050            (inc-dirs      nil))
1051       (while (and (< idx count) (not (string-match "^INCLUDE_DIRS=.*" (nth idx lines))))
1052         (setq idx (1+ idx)))
1053       (when (< idx count)
1054         (let* ((inc-lines  (flymake-split-string (nth idx lines) " *-I"))
1055                (inc-count  (length inc-lines)))
1056           (while (> inc-count 0)
1057             (when (not (string-match "^INCLUDE_DIRS=.*" (nth (1- inc-count) inc-lines)))
1058               (push (flymake-replace-regexp-in-string "\"" "" (nth (1- inc-count) inc-lines)) inc-dirs))
1059             (setq inc-count (1- inc-count)))))
1060       (flymake-add-project-include-dirs-to-cache basedir inc-dirs)
1061       inc-dirs)))
1062
1063 (defcustom flymake-get-project-include-dirs-function 'flymake-get-project-include-dirs-imp
1064   "Function used to get project include dirs, one parameter: basedir name."
1065   :group 'flymake
1066   :type 'function)
1067
1068 (defun flymake-get-project-include-dirs (basedir)
1069   (funcall flymake-get-project-include-dirs-function basedir))
1070
1071 (defun flymake-get-system-include-dirs ()
1072   "System include dirs - from the 'INCLUDE' env setting."
1073   (let* ((includes (getenv "INCLUDE")))
1074     (if includes (flymake-split-string includes path-separator) nil)))
1075
1076 (defvar flymake-project-include-dirs-cache (flymake-makehash 'equal))
1077
1078 (defun flymake-get-project-include-dirs-from-cache (base-dir)
1079   (gethash base-dir flymake-project-include-dirs-cache))
1080
1081 (defun flymake-add-project-include-dirs-to-cache (base-dir include-dirs)
1082   (puthash base-dir include-dirs flymake-project-include-dirs-cache))
1083
1084 (defun flymake-clear-project-include-dirs-cache ()
1085   (clrhash flymake-project-include-dirs-cache))
1086
1087 (defun flymake-get-include-dirs (base-dir)
1088   "Get dirs to use when resolving local file names."
1089   (let* ((include-dirs (append '(".") (flymake-get-project-include-dirs base-dir) (flymake-get-system-include-dirs))))
1090     include-dirs))
1091
1092 ;; (defun flymake-restore-formatting ()
1093 ;;   "Remove any formatting made by flymake."
1094 ;;   )
1095
1096 ;; (defun flymake-get-program-dir (buffer)
1097 ;;   "Get dir to start program in."
1098 ;;   (unless (bufferp buffer)
1099 ;;     (error "Invalid buffer"))
1100 ;;   (with-current-buffer buffer
1101 ;;     default-directory))
1102
1103 (defun flymake-safe-delete-file (file-name)
1104   (when (and file-name (file-exists-p file-name))
1105     (delete-file file-name)
1106     (flymake-log 1 "deleted file %s" file-name)))
1107
1108 (defun flymake-safe-delete-directory (dir-name)
1109   (condition-case err
1110       (progn
1111         (delete-directory dir-name)
1112         (flymake-log 1 "deleted dir %s" dir-name))
1113     (error
1114      (flymake-log 1 "Failed to delete dir %s, error ignored" dir-name))))
1115
1116 (defcustom flymake-compilation-prevents-syntax-check t
1117   "If non-nil, syntax check won't be started in case compilation is running."
1118   :group 'flymake
1119   :type 'boolean)
1120
1121 (defun flymake-start-syntax-check ()
1122   "Start syntax checking for current buffer."
1123   (interactive)
1124   (flymake-log 3 "flymake is running: %s" flymake-is-running)
1125   (when (and (not flymake-is-running)
1126              (flymake-can-syntax-check-file buffer-file-name))
1127     (when (or (not flymake-compilation-prevents-syntax-check)
1128               (not (flymake-compilation-is-running))) ;+ (flymake-rep-ort-status buffer "COMP")
1129       (flymake-clear-buildfile-cache)
1130       (flymake-clear-project-include-dirs-cache)
1131
1132       (setq flymake-check-was-interrupted nil)
1133
1134       (let* ((source-file-name  buffer-file-name)
1135              (init-f (flymake-get-init-function source-file-name))
1136              (cleanup-f (flymake-get-cleanup-function source-file-name))
1137              (cmd-and-args (funcall init-f))
1138              (cmd          (nth 0 cmd-and-args))
1139              (args         (nth 1 cmd-and-args))
1140              (dir          (nth 2 cmd-and-args)))
1141         (if (not cmd-and-args)
1142             (progn
1143               (flymake-log 0 "init function %s for %s failed, cleaning up" init-f source-file-name)
1144               (funcall cleanup-f))
1145           (progn
1146             (setq flymake-last-change-time nil)
1147             (flymake-start-syntax-check-process cmd args dir)))))))
1148
1149 (defun flymake-start-syntax-check-process (cmd args dir)
1150   "Start syntax check process."
1151   (let* ((process nil))
1152     (condition-case err
1153         (progn
1154           (when dir
1155             (let ((default-directory dir))
1156               (flymake-log 3 "starting process on dir %s" default-directory)))
1157           (setq process (apply 'start-process "flymake-proc" (current-buffer) cmd args))
1158           (set-process-sentinel process 'flymake-process-sentinel)
1159           (set-process-filter process 'flymake-process-filter)
1160           (push process flymake-processes)
1161
1162           (setq flymake-is-running t)
1163           (setq flymake-last-change-time nil)
1164           (setq flymake-check-start-time (flymake-float-time))
1165
1166           (flymake-report-status nil "*")
1167           (flymake-log 2 "started process %d, command=%s, dir=%s"
1168                        (process-id process) (process-command process)
1169                        default-directory)
1170           process)
1171       (error
1172        (let* ((err-str (format "Failed to launch syntax check process '%s' with args %s: %s"
1173                                cmd args (error-message-string err)))
1174               (source-file-name buffer-file-name)
1175               (cleanup-f        (flymake-get-cleanup-function source-file-name)))
1176          (flymake-log 0 err-str)
1177          (funcall cleanup-f)
1178          (flymake-report-fatal-status "PROCERR" err-str))))))
1179
1180 (defun flymake-kill-process (proc)
1181   "Kill process PROC."
1182   (kill-process proc)
1183   (let* ((buf (process-buffer proc)))
1184     (when (buffer-live-p buf)
1185       (with-current-buffer buf
1186         (setq flymake-check-was-interrupted t))))
1187   (flymake-log 1 "killed process %d" (process-id proc)))
1188
1189 (defun flymake-stop-all-syntax-checks ()
1190   "Kill all syntax check processes."
1191   (interactive)
1192   (while flymake-processes
1193     (flymake-kill-process (pop flymake-processes))))
1194
1195 (defun flymake-compilation-is-running ()
1196   (and (boundp 'compilation-in-progress)
1197        compilation-in-progress))
1198
1199 (defun flymake-compile ()
1200   "Kill all flymake syntax checks, start compilation."
1201   (interactive)
1202   (flymake-stop-all-syntax-checks)
1203   (call-interactively 'compile))
1204
1205 (defcustom flymake-no-changes-timeout 0.5
1206   "Time to wait after last change before starting compilation."
1207   :group 'flymake
1208   :type 'number)
1209
1210 (defun flymake-on-timer-event (buffer)
1211   "Start a syntax check for buffer BUFFER if necessary."
1212   (when (buffer-live-p buffer)
1213     (with-current-buffer buffer
1214       (when (and (not flymake-is-running)
1215                  flymake-last-change-time
1216                  (> (- (flymake-float-time) flymake-last-change-time)
1217                     flymake-no-changes-timeout))
1218
1219         (setq flymake-last-change-time nil)
1220         (flymake-log 3 "starting syntax check as more than 1 second passed since last change")
1221         (flymake-start-syntax-check)))))
1222
1223 (defun flymake-current-line-no ()
1224   "Return number of current line in current buffer."
1225   (count-lines (point-min) (if (eobp) (point) (1+ (point)))))
1226
1227 (defun flymake-count-lines ()
1228   "Return number of lines in buffer BUFFER."
1229   (count-lines (point-min) (point-max)))
1230
1231 (defun flymake-display-err-menu-for-current-line ()
1232   "Display a menu with errors/warnings for current line if it has errors and/or warnings."
1233   (interactive)
1234   (let* ((line-no             (flymake-current-line-no))
1235          (line-err-info-list  (nth 0 (flymake-find-err-info flymake-err-info line-no)))
1236          (menu-data           (flymake-make-err-menu-data line-no line-err-info-list))
1237          (choice              nil))
1238     (if menu-data
1239         (progn
1240           (setq choice (flymake-popup-menu menu-data))
1241           (flymake-log 3 "choice=%s" choice)
1242           (when choice
1243             (eval choice)))
1244       (flymake-log 1 "no errors for line %d" line-no))))
1245
1246 (defun flymake-make-err-menu-data (line-no line-err-info-list)
1247   "Make a (menu-title (item-title item-action)*) list with errors/warnings from LINE-ERR-INFO-LIST."
1248   (let* ((menu-items  nil))
1249     (when line-err-info-list
1250       (let* ((count           (length line-err-info-list))
1251              (menu-item-text  nil))
1252         (while (> count 0)
1253           (setq menu-item-text (flymake-ler-text (nth (1- count) line-err-info-list)))
1254           (let* ((file       (flymake-ler-file (nth (1- count) line-err-info-list)))
1255                  (full-file  (flymake-ler-full-file (nth (1- count) line-err-info-list)))
1256                  (line       (flymake-ler-line (nth (1- count) line-err-info-list))))
1257             (if file
1258                 (setq menu-item-text (concat menu-item-text " - " file "(" (format "%d" line) ")")))
1259             (setq menu-items (cons (list menu-item-text
1260                                          (if file (list 'flymake-goto-file-and-line full-file line) nil))
1261                                    menu-items)))
1262           (setq count (1- count)))
1263         (flymake-log 3 "created menu-items with %d item(s)" (length menu-items))))
1264     (if menu-items
1265         (let* ((menu-title  (format "Line %d: %d error(s), %d warning(s)" line-no
1266                                     (flymake-get-line-err-count line-err-info-list "e")
1267                                     (flymake-get-line-err-count line-err-info-list "w"))))
1268           (list menu-title menu-items))
1269       nil)))
1270
1271 (defun flymake-goto-file-and-line (file line)
1272   "Try to get buffer for FILE and goto line LINE in it."
1273   (if (not (file-exists-p file))
1274       (flymake-log 1 "File %s does not exist" file)
1275     (find-file file)
1276     (goto-line line)))
1277
1278 ;; flymake minor mode declarations
1279 (defvar flymake-mode-line nil)
1280
1281 (make-variable-buffer-local 'flymake-mode-line)
1282
1283 (defvar flymake-mode-line-e-w nil)
1284
1285 (make-variable-buffer-local 'flymake-mode-line-e-w)
1286
1287 (defvar flymake-mode-line-status nil)
1288
1289 (make-variable-buffer-local 'flymake-mode-line-status)
1290
1291 (defun flymake-report-status (e-w &optional status)
1292   "Show status in mode line."
1293   (when e-w
1294     (setq flymake-mode-line-e-w e-w))
1295   (when status
1296     (setq flymake-mode-line-status status))
1297   (let* ((mode-line " Flymake"))
1298     (when (> (length flymake-mode-line-e-w) 0)
1299       (setq mode-line (concat mode-line ":" flymake-mode-line-e-w)))
1300     (setq mode-line (concat mode-line flymake-mode-line-status))
1301     (setq flymake-mode-line mode-line)
1302     (force-mode-line-update)))
1303
1304 (defun flymake-display-warning (warning)
1305   "Display a warning to user."
1306   (message-box warning))
1307
1308 (defcustom flymake-gui-warnings-enabled t
1309   "Enables/disables GUI warnings."
1310   :group 'flymake
1311   :type 'boolean)
1312
1313 (defun flymake-report-fatal-status (status warning)
1314   "Display a warning and switch flymake mode off."
1315   (when flymake-gui-warnings-enabled
1316     (flymake-display-warning (format "Flymake: %s. Flymake will be switched OFF" warning))
1317     )
1318   (flymake-mode 0)
1319   (flymake-log 0 "switched OFF Flymake mode for buffer %s due to fatal status %s, warning %s"
1320                (buffer-name) status warning))
1321
1322 (defcustom flymake-start-syntax-check-on-find-file t
1323   "Start syntax check on find file."
1324   :group 'flymake
1325   :type 'boolean)
1326
1327 ;;;###autoload
1328 (define-minor-mode flymake-mode
1329   "Minor mode to do on-the-fly syntax checking.
1330 When called interactively, toggles the minor mode.
1331 With arg, turn Flymake mode on if and only if arg is positive."
1332   :group 'flymake :lighter flymake-mode-line
1333   (cond
1334
1335    ;; Turning the mode ON.
1336    (flymake-mode
1337     (if (not (flymake-can-syntax-check-file buffer-file-name))
1338         (flymake-log 2 "flymake cannot check syntax in buffer %s" (buffer-name))
1339       (add-hook 'after-change-functions 'flymake-after-change-function nil t)
1340       (add-hook 'after-save-hook 'flymake-after-save-hook nil t)
1341       (add-hook 'kill-buffer-hook 'flymake-kill-buffer-hook nil t)
1342       ;;+(add-hook 'find-file-hook 'flymake-find-file-hook)
1343
1344       (flymake-report-status "" "")
1345
1346       (setq flymake-timer
1347             (run-at-time nil 1 'flymake-on-timer-event (current-buffer)))
1348
1349       (when flymake-start-syntax-check-on-find-file
1350         (flymake-start-syntax-check))))
1351
1352    ;; Turning the mode OFF.
1353    (t
1354     (remove-hook 'after-change-functions 'flymake-after-change-function t)
1355     (remove-hook 'after-save-hook 'flymake-after-save-hook t)
1356     (remove-hook 'kill-buffer-hook 'flymake-kill-buffer-hook t)
1357     ;;+(remove-hook 'find-file-hook (function flymake-find-file-hook) t)
1358
1359     (flymake-delete-own-overlays)
1360
1361     (when flymake-timer
1362       (cancel-timer flymake-timer)
1363       (setq flymake-timer nil))
1364
1365     (setq flymake-is-running nil))))
1366
1367 ;;;###autoload
1368 (defun flymake-mode-on ()
1369   "Turn flymake mode on."
1370   (flymake-mode 1)
1371   (flymake-log 1 "flymake mode turned ON for buffer %s" (buffer-name)))
1372
1373 ;;;###autoload
1374 (defun flymake-mode-off ()
1375   "Turn flymake mode off."
1376   (flymake-mode 0)
1377   (flymake-log 1 "flymake mode turned OFF for buffer %s" (buffer-name)))
1378
1379 (defcustom flymake-start-syntax-check-on-newline t
1380   "Start syntax check if newline char was added/removed from the buffer."
1381   :group 'flymake
1382   :type 'boolean)
1383
1384 (defun flymake-after-change-function (start stop len)
1385   "Start syntax check for current buffer if it isn't already running."
1386   ;;+(flymake-log 0 "setting change time to %s" (flymake-float-time))
1387   (let((new-text (buffer-substring start stop)))
1388     (when (and flymake-start-syntax-check-on-newline (equal new-text "\n"))
1389       (flymake-log 3 "starting syntax check as new-line has been seen")
1390       (flymake-start-syntax-check))
1391     (setq flymake-last-change-time (flymake-float-time))))
1392
1393 (defun flymake-after-save-hook ()
1394   (if (local-variable-p 'flymake-mode (current-buffer)) ; (???) other way to determine whether flymake is active in buffer being saved?
1395       (progn
1396         (flymake-log 3 "starting syntax check as buffer was saved")
1397         (flymake-start-syntax-check)))) ; no more mode 3. cannot start check if mode 3 (to temp copies) is active - (???)
1398
1399 (defun flymake-kill-buffer-hook ()
1400   (when flymake-timer
1401     (cancel-timer flymake-timer)
1402     (setq flymake-timer nil)))
1403
1404 (defun flymake-find-file-hook ()
1405   ;;+(when flymake-start-syntax-check-on-find-file
1406   ;;+    (flymake-log 3 "starting syntax check on file open")
1407   ;;+    (flymake-start-syntax-check)
1408   ;;+)
1409   (when (and (not (local-variable-p 'flymake-mode (current-buffer)))
1410              (flymake-can-syntax-check-file buffer-file-name))
1411     (flymake-mode)
1412     (flymake-log 3 "automatically turned ON flymake mode")))
1413
1414 (defun flymake-get-first-err-line-no (err-info-list)
1415   "Return first line with error."
1416   (when err-info-list
1417     (flymake-er-get-line (car err-info-list))))
1418
1419 (defun flymake-get-last-err-line-no (err-info-list)
1420   "Return last line with error."
1421   (when err-info-list
1422     (flymake-er-get-line (nth (1- (length err-info-list)) err-info-list))))
1423
1424 (defun flymake-get-next-err-line-no (err-info-list line-no)
1425   "Return next line with error."
1426   (when err-info-list
1427     (let* ((count  (length err-info-list))
1428            (idx    0))
1429       (while (and (< idx count) (>= line-no (flymake-er-get-line (nth idx err-info-list))))
1430         (setq idx (1+ idx)))
1431       (if (< idx count)
1432           (flymake-er-get-line (nth idx err-info-list))))))
1433
1434 (defun flymake-get-prev-err-line-no (err-info-list line-no)
1435   "Return previous line with error."
1436   (when err-info-list
1437     (let* ((count (length err-info-list)))
1438       (while (and (> count 0) (<= line-no (flymake-er-get-line (nth (1- count) err-info-list))))
1439         (setq count (1- count)))
1440       (if (> count 0)
1441           (flymake-er-get-line (nth (1- count) err-info-list))))))
1442
1443 (defun flymake-skip-whitespace ()
1444   "Move forward until non-whitespace is reached."
1445   (while (looking-at "[ \t]")
1446     (forward-char)))
1447
1448 (defun flymake-goto-line (line-no)
1449   "Go to line LINE-NO, then skip whitespace."
1450   (goto-line line-no)
1451   (flymake-skip-whitespace))
1452
1453 (defun flymake-goto-next-error ()
1454   "Go to next error in err ring."
1455   (interactive)
1456   (let ((line-no (flymake-get-next-err-line-no flymake-err-info (flymake-current-line-no))))
1457     (when (not line-no)
1458       (setq line-no (flymake-get-first-err-line-no flymake-err-info))
1459       (flymake-log 1 "passed end of file"))
1460     (if line-no
1461         (flymake-goto-line line-no)
1462       (flymake-log 1 "no errors in current buffer"))))
1463
1464 (defun flymake-goto-prev-error ()
1465   "Go to previous error in err ring."
1466   (interactive)
1467   (let ((line-no (flymake-get-prev-err-line-no flymake-err-info (flymake-current-line-no))))
1468     (when (not line-no)
1469       (setq line-no (flymake-get-last-err-line-no flymake-err-info))
1470       (flymake-log 1 "passed beginning of file"))
1471     (if line-no
1472         (flymake-goto-line line-no)
1473       (flymake-log 1 "no errors in current buffer"))))
1474
1475 (defun flymake-patch-err-text (string)
1476   (if (string-match "^[\n\t :0-9]*\\(.*\\)$" string)
1477       (match-string 1 string)
1478     string))
1479
1480 ;;;; general init-cleanup and helper routines
1481 (defun flymake-create-temp-inplace (file-name prefix)
1482   (unless (stringp file-name)
1483     (error "Invalid file-name"))
1484   (or prefix
1485       (setq prefix "flymake"))
1486   (let* ((temp-name   (concat (file-name-sans-extension file-name)
1487                               "_" prefix
1488                               (and (file-name-extension file-name)
1489                                    (concat "." (file-name-extension file-name))))))
1490     (flymake-log 3 "create-temp-inplace: file=%s temp=%s" file-name temp-name)
1491     temp-name))
1492
1493 (defun flymake-create-temp-with-folder-structure (file-name prefix)
1494   (unless (stringp file-name)
1495     (error "Invalid file-name"))
1496
1497   (let* ((dir       (file-name-directory file-name))
1498          ;; Not sure what this slash-pos is all about, but I guess it's just
1499          ;; trying to remove the leading / of absolute file names.
1500          (slash-pos (string-match "/" dir))
1501          (temp-dir  (expand-file-name (substring dir (1+ slash-pos))
1502                                       (flymake-get-temp-dir))))
1503
1504     (file-truename (expand-file-name (file-name-nondirectory file-name)
1505                                      temp-dir))))
1506
1507 (defun flymake-delete-temp-directory (dir-name)
1508   "Attempt to delete temp dir created by `flymake-create-temp-with-folder-structure', do not fail on error."
1509   (let* ((temp-dir    (flymake-get-temp-dir))
1510          (suffix      (substring dir-name (1+ (length temp-dir)))))
1511
1512     (while (> (length suffix) 0)
1513       (setq suffix (directory-file-name suffix))
1514       ;;+(flymake-log 0 "suffix=%s" suffix)
1515       (flymake-safe-delete-directory
1516        (file-truename (expand-file-name suffix temp-dir)))
1517       (setq suffix (file-name-directory suffix)))))
1518
1519 (defvar flymake-temp-source-file-name nil)
1520 (make-variable-buffer-local 'flymake-temp-source-file-name)
1521
1522 (defvar flymake-master-file-name nil)
1523 (make-variable-buffer-local 'flymake-master-file-name)
1524
1525 (defvar flymake-temp-master-file-name nil)
1526 (make-variable-buffer-local 'flymake-temp-master-file-name)
1527
1528 (defvar flymake-base-dir nil)
1529 (make-variable-buffer-local 'flymake-base-dir)
1530
1531 (defun flymake-init-create-temp-buffer-copy (create-temp-f)
1532   "Make a temporary copy of the current buffer, save its name in buffer data and return the name."
1533   (let*  ((source-file-name       buffer-file-name)
1534           (temp-source-file-name  (funcall create-temp-f source-file-name "flymake")))
1535
1536     (flymake-save-buffer-in-file temp-source-file-name)
1537     (setq flymake-temp-source-file-name temp-source-file-name)
1538     temp-source-file-name))
1539
1540 (defun flymake-simple-cleanup ()
1541   "Do cleanup after `flymake-init-create-temp-buffer-copy'.
1542 Delete temp file."
1543   (flymake-safe-delete-file flymake-temp-source-file-name)
1544   (setq flymake-last-change-time nil))
1545
1546 (defun flymake-get-real-file-name (file-name-from-err-msg)
1547   "Translate file name from error message to \"real\" file name.
1548 Return full-name.  Names are real, not patched."
1549   (let* ((real-name             nil)
1550          (source-file-name      buffer-file-name)
1551          (master-file-name      flymake-master-file-name)
1552          (temp-source-file-name flymake-temp-source-file-name)
1553          (temp-master-file-name flymake-temp-master-file-name)
1554          (base-dirs
1555           (list flymake-base-dir
1556                 (file-name-directory source-file-name)
1557                 (if master-file-name (file-name-directory master-file-name))))
1558          (files (list (list source-file-name       source-file-name)
1559                       (list temp-source-file-name  source-file-name)
1560                       (list master-file-name       master-file-name)
1561                       (list temp-master-file-name  master-file-name))))
1562
1563     (when (equal 0 (length file-name-from-err-msg))
1564       (setq file-name-from-err-msg source-file-name))
1565
1566     (setq real-name (flymake-get-full-patched-file-name file-name-from-err-msg base-dirs files))
1567     ;; if real-name is nil, than file name from err msg is none of the files we've patched
1568     (if (not real-name)
1569         (setq real-name (flymake-get-full-nonpatched-file-name file-name-from-err-msg base-dirs)))
1570     (if (not real-name)
1571         (setq real-name file-name-from-err-msg))
1572     (setq real-name (flymake-fix-file-name real-name))
1573     (flymake-log 3 "get-real-file-name: file-name=%s real-name=%s" file-name-from-err-msg real-name)
1574     real-name))
1575
1576 (defun flymake-get-full-patched-file-name (file-name-from-err-msg base-dirs files)
1577   (let* ((base-dirs-count  (length base-dirs))
1578          (file-count       (length files))
1579          (real-name        nil))
1580
1581     (while (and (not real-name) (> base-dirs-count 0))
1582       (setq file-count (length files))
1583       (while (and (not real-name) (> file-count 0))
1584         (let* ((this-dir        (nth (1- base-dirs-count) base-dirs))
1585                (this-file       (nth 0 (nth (1- file-count) files)))
1586                (this-real-name  (nth 1 (nth (1- file-count) files))))
1587           ;;+(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)
1588           (when (and this-dir this-file (flymake-same-files
1589                                          (expand-file-name file-name-from-err-msg this-dir)
1590                                          this-file))
1591             (setq real-name this-real-name)))
1592         (setq file-count (1- file-count)))
1593       (setq base-dirs-count (1- base-dirs-count)))
1594     real-name))
1595
1596 (defun flymake-get-full-nonpatched-file-name (file-name-from-err-msg base-dirs)
1597   (let* ((real-name  nil))
1598     (if (file-name-absolute-p file-name-from-err-msg)
1599         (setq real-name file-name-from-err-msg)
1600       (let* ((base-dirs-count  (length base-dirs)))
1601         (while (and (not real-name) (> base-dirs-count 0))
1602           (let* ((full-name (expand-file-name file-name-from-err-msg
1603                                               (nth (1- base-dirs-count) base-dirs))))
1604             (if (file-exists-p full-name)
1605                 (setq real-name full-name))
1606             (setq base-dirs-count (1- base-dirs-count))))))
1607     real-name))
1608
1609 (defun flymake-init-find-buildfile-dir (source-file-name buildfile-name)
1610   "Find buildfile, store its dir in buffer data and return its dir, if found."
1611   (let* ((buildfile-dir
1612           (flymake-find-buildfile buildfile-name
1613                                   (file-name-directory source-file-name))))
1614     (if buildfile-dir
1615         (setq flymake-base-dir buildfile-dir)
1616       (flymake-log 1 "no buildfile (%s) for %s" buildfile-name source-file-name)
1617       (flymake-report-fatal-status
1618        "NOMK" (format "No buildfile (%s) found for %s"
1619                       buildfile-name source-file-name)))))
1620
1621 (defun flymake-init-create-temp-source-and-master-buffer-copy (get-incl-dirs-f create-temp-f master-file-masks include-regexp)
1622   "Find master file (or buffer), create its copy along with a copy of the source file."
1623   (let* ((source-file-name       buffer-file-name)
1624          (temp-source-file-name  (flymake-init-create-temp-buffer-copy create-temp-f))
1625          (master-and-temp-master (flymake-create-master-file
1626                                   source-file-name temp-source-file-name
1627                                   get-incl-dirs-f create-temp-f
1628                                   master-file-masks include-regexp)))
1629
1630     (if (not master-and-temp-master)
1631         (progn
1632           (flymake-log 1 "cannot find master file for %s" source-file-name)
1633           (flymake-report-status "!" "")        ; NOMASTER
1634           nil)
1635       (setq flymake-master-file-name (nth 0 master-and-temp-master))
1636       (setq flymake-temp-master-file-name (nth 1 master-and-temp-master)))))
1637
1638 (defun flymake-master-cleanup ()
1639   (flymake-simple-cleanup)
1640   (flymake-safe-delete-file flymake-temp-master-file-name))
1641
1642 ;;;; make-specific init-cleanup routines
1643 (defun flymake-get-syntax-check-program-args (source-file-name base-dir use-relative-base-dir use-relative-source get-cmd-line-f)
1644   "Create a command line for syntax check using GET-CMD-LINE-F."
1645   (funcall get-cmd-line-f
1646            (if use-relative-source
1647                (file-relative-name source-file-name base-dir)
1648              source-file-name)
1649            (if use-relative-base-dir
1650                (file-relative-name base-dir
1651                                    (file-name-directory source-file-name))
1652              base-dir)))
1653
1654 (defun flymake-get-make-cmdline (source base-dir)
1655   (list "make"
1656         (list "-s"
1657               "-C"
1658               base-dir
1659               (concat "CHK_SOURCES=" source)
1660               "SYNTAX_CHECK_MODE=1"
1661               "check-syntax")))
1662
1663 (defun flymake-get-ant-cmdline (source base-dir)
1664   (list "ant"
1665         (list "-buildfile"
1666               (concat base-dir "/" "build.xml")
1667               (concat "-DCHK_SOURCES=" source)
1668               "check-syntax")))
1669
1670 (defun flymake-simple-make-init-impl (create-temp-f use-relative-base-dir use-relative-source build-file-name get-cmdline-f)
1671   "Create syntax check command line for a directly checked source file.
1672 Use CREATE-TEMP-F for creating temp copy."
1673   (let* ((args nil)
1674          (source-file-name   buffer-file-name)
1675          (buildfile-dir      (flymake-init-find-buildfile-dir source-file-name build-file-name)))
1676     (if buildfile-dir
1677         (let* ((temp-source-file-name  (flymake-init-create-temp-buffer-copy create-temp-f)))
1678           (setq args (flymake-get-syntax-check-program-args temp-source-file-name buildfile-dir
1679                                                             use-relative-base-dir use-relative-source
1680                                                             get-cmdline-f))))
1681     args))
1682
1683 (defun flymake-simple-make-init ()
1684   (flymake-simple-make-init-impl 'flymake-create-temp-inplace t t "Makefile" 'flymake-get-make-cmdline))
1685
1686 (defun flymake-master-make-init (get-incl-dirs-f master-file-masks include-regexp)
1687   "Create make command line for a source file checked via master file compilation."
1688   (let* ((make-args nil)
1689          (temp-master-file-name (flymake-init-create-temp-source-and-master-buffer-copy
1690                                  get-incl-dirs-f 'flymake-create-temp-inplace
1691                                  master-file-masks include-regexp)))
1692     (when temp-master-file-name
1693       (let* ((buildfile-dir (flymake-init-find-buildfile-dir temp-master-file-name "Makefile")))
1694         (if  buildfile-dir
1695             (setq make-args (flymake-get-syntax-check-program-args
1696                              temp-master-file-name buildfile-dir nil nil 'flymake-get-make-cmdline)))))
1697     make-args))
1698
1699 (defun flymake-find-make-buildfile (source-dir)
1700   (flymake-find-buildfile "Makefile" source-dir))
1701
1702 ;;;; .h/make specific
1703 (defun flymake-master-make-header-init ()
1704   (flymake-master-make-init 'flymake-get-include-dirs
1705                             '("\\.cpp\\'" "\\.c\\'")
1706                             "[ \t]*#[ \t]*include[ \t]*\"\\([[:word:]0-9/\\_.]*%s\\)\""))
1707
1708 ;;;; .java/make specific
1709 (defun flymake-simple-make-java-init ()
1710   (flymake-simple-make-init-impl 'flymake-create-temp-with-folder-structure nil nil "Makefile" 'flymake-get-make-cmdline))
1711
1712 (defun flymake-simple-ant-java-init ()
1713   (flymake-simple-make-init-impl 'flymake-create-temp-with-folder-structure nil nil "build.xml" 'flymake-get-ant-cmdline))
1714
1715 (defun flymake-simple-java-cleanup ()
1716   "Cleanup after `flymake-simple-make-java-init' -- delete temp file and dirs."
1717   (flymake-safe-delete-file flymake-temp-source-file-name)
1718   (when flymake-temp-source-file-name
1719     (flymake-delete-temp-directory
1720      (file-name-directory flymake-temp-source-file-name))))
1721
1722 ;;;; perl-specific init-cleanup routines
1723 (defun flymake-perl-init ()
1724   (let* ((temp-file   (flymake-init-create-temp-buffer-copy
1725                        'flymake-create-temp-inplace))
1726          (local-file  (file-relative-name
1727                        temp-file
1728                        (file-name-directory buffer-file-name))))
1729     (list "perl" (list "-wc " local-file))))
1730
1731 ;;;; php-specific init-cleanup routines
1732 (defun flymake-php-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 "php" (list "-f" local-file "-l"))))
1739
1740 ;;;; tex-specific init-cleanup routines
1741 (defun flymake-get-tex-args (file-name)
1742   ;;(list "latex" (list "-c-style-errors" file-name))
1743   (list "texify" (list "--pdf" "--tex-option=-c-style-errors" file-name)))
1744
1745 (defun flymake-simple-tex-init ()
1746   (flymake-get-tex-args (flymake-init-create-temp-buffer-copy 'flymake-create-temp-inplace)))
1747
1748 (defun flymake-master-tex-init ()
1749   (let* ((temp-master-file-name (flymake-init-create-temp-source-and-master-buffer-copy
1750                                  'flymake-get-include-dirs-dot 'flymake-create-temp-inplace
1751                                  '("\\.tex\\'")
1752                                  "[ \t]*\\input[ \t]*{\\(.*%s\\)}")))
1753     (when temp-master-file-name
1754       (flymake-get-tex-args temp-master-file-name))))
1755
1756 (defun flymake-get-include-dirs-dot (base-dir)
1757   '("."))
1758
1759 ;;;; xml-specific init-cleanup routines
1760 (defun flymake-xml-init ()
1761   (list "xml" (list "val" (flymake-init-create-temp-buffer-copy 'flymake-create-temp-inplace))))
1762
1763 (provide 'flymake)
1764
1765 ;; arch-tag: 8f0d6090-061d-4cac-8862-7c151c4a02dd
1766 ;;; flymake.el ends here