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  Free Software Foundation
   4
   5 ;; Author:  Pavel Kobiakov <pk_at_work@yahoo.com>
   6 ;; Maintainer: Pavel Kobiakov <pk_at_work@yahoo.com>
   7 ;; Version: 0.3
   8 ;; Keywords: c languages tools
   9
  10 ;; This file is part of GNU Emacs.
  11
  12 ;; GNU Emacs is free software; you can redistribute it and/or modify
  13 ;; it under the terms of the GNU General Public License as published by
  14 ;; the Free Software Foundation; either version 2, or (at your option)
  15 ;; any later version.
  16
  17 ;; GNU Emacs is distributed in the hope that it will be useful,
  18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;; GNU General Public License for more details.
  21
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  24 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  25 ;; Boston, MA 02110-1301, USA.
  26
  27 ;;; Commentary:
  28 ;;
  29 ;; Flymake is a minor Emacs mode performing on-the-fly syntax
  30 ;; checks using the external syntax check tool (for C/C++ this
  31 ;; is usually the compiler)
  32
  33 ;;; Code:
  34
  35 ;;;; [[ Silence the byte-compiler
  36
  37 (defvar flymake-check-start-time)
  38 (defvar flymake-check-was-interrupted)
  39 (defvar flymake-err-info)
  40 (defvar flymake-is-running)
  41 (defvar flymake-last-change-time)
  42 (defvar flymake-new-err-info)
  43
  44 ;;;; ]]
  45
  46 ;;;; [[ Xemacs overlay compatibility
  47 (if (featurep 'xemacs) (progn
  48 (autoload 'make-overlay            "overlay" "Overlay compatibility kit." t)
  49 (autoload 'overlayp                "overlay" "Overlay compatibility kit." t)
  50 (autoload 'overlays-in             "overlay" "Overlay compatibility kit." t)
  51 (autoload 'delete-overlay          "overlay" "Overlay compatibility kit." t)
  52 (autoload 'overlay-put             "overlay" "Overlay compatibility kit." t)
  53 (autoload 'overlay-get             "overlay" "Overlay compatibility kit." t)
  54 ))
  55 ;;;; ]]
  56
  57 ;;;; [[ cross-emacs compatibility routines
  58 (defsubst flymake-makehash (&optional test)
  59   (if (fboundp 'make-hash-table)
  60       (if test (make-hash-table :test test) (make-hash-table))
  61     (with-no-warnings
  62       (makehash test))))
  63
  64 (defalias 'flymake-float-time
  65   (if (fboundp 'float-time)
  66       'float-time
  67     (if (featurep 'xemacs)
  68         (lambda ()
  69           (multiple-value-bind (s0 s1 s2) (current-time)
  70             (+ (* (float (ash 1 16)) s0) (float s1) (* 0.0000001 s2)))))))
  71
  72 (defsubst flymake-replace-regexp-in-string (regexp rep str)
  73   (if (fboundp 'replace-in-string)
  74       (replace-in-string str regexp rep)
  75     (replace-regexp-in-string regexp rep str)))
  76
  77 (defun flymake-split-string (str pattern)
  78   "Split STR into a list of substrings bounded by PATTERN.
  79 Zero-length substrings at the beginning and end of the list are omitted."
  80   (let* ((splitted (split-string str pattern)))
  81     (if (and (> (length splitted) 0) (= 0 (length (elt splitted 0))))
  82         (setq splitted (cdr splitted)))
  83     (if (and (> (length splitted) 0) (= 0 (length (elt splitted (1- (length splitted))))))
  84         (setq splitted (reverse (cdr (reverse splitted)))))
  85     splitted))
  86
  87 (defsubst flymake-get-temp-dir ()
  88   (if (fboundp 'temp-directory)
  89       (temp-directory)
  90     temporary-file-directory))
  91
  92 (defalias 'flymake-line-beginning-position
  93   (if (fboundp 'line-beginning-position)
  94       'line-beginning-position
  95     (lambda (&optional arg) (save-excursion (beginning-of-line arg) (point)))))
  96
  97 (defalias 'flymake-line-end-position
  98   (if (fboundp 'line-end-position)
  99       'line-end-position
 100     (lambda (&optional arg) (save-excursion (end-of-line arg) (point)))))
 101
 102 (defun flymake-popup-menu (pos menu-data)
 103   "Pop up the flymake menu at position POS, using the data MENU-DATA.
 104 POS is a list of the form ((X Y) WINDOW), where X and Y are
 105 pixels positions from the top left corner of WINDOW's frame.
 106 MENU-DATA is a list of error and warning messages returned by
 107 `flymake-make-err-menu-data'."
 108   (if (featurep 'xemacs)
 109       (let* ((x-pos       (nth 0 (nth 0 pos)))
 110              (y-pos       (nth 1 (nth 0 pos)))
 111              (fake-event-props  '(button 1 x 1 y 1)))
 112         (setq fake-event-props (plist-put fake-event-props 'x x-pos))
 113         (setq fake-event-props (plist-put fake-event-props 'y y-pos))
 114         (popup-menu (flymake-make-xemacs-menu menu-data) (make-event 'button-press fake-event-props)))
 115     (x-popup-menu pos (flymake-make-emacs-menu menu-data))))
 116
 117 (defun flymake-make-emacs-menu (menu-data)
 118   "Return a menu specifier using MENU-DATA.
 119 MENU-DATA is a list of error and warning messages returned by
 120 `flymake-make-err-menu-data'.
 121 See `x-popup-menu' for the menu specifier format."
 122   (let* ((menu-title     (nth 0 menu-data))
 123          (menu-items     (nth 1 menu-data))
 124          (menu-commands  nil))
 125     (setq menu-commands (mapcar (lambda (foo)
 126                                   (cons (nth 0 foo) (nth 1 foo)))
 127                                 menu-items))
 128     (list menu-title (cons "" menu-commands))))
 129
 130 (if (featurep 'xemacs) (progn
 131
 132 (defun flymake-nop ())
 133
 134 (defun flymake-make-xemacs-menu (menu-data)
 135   "Return a menu specifier using MENU-DATA."
 136   (let* ((menu-title     (nth 0 menu-data))
 137          (menu-items     (nth 1 menu-data))
 138          (menu-commands  nil))
 139     (setq menu-commands (mapcar (lambda (foo)
 140                                   (vector (nth 0 foo) (or (nth 1 foo) '(flymake-nop)) t))
 141                                 menu-items))
 142     (cons menu-title menu-commands)))
 143
 144 (defun flymake-xemacs-window-edges (&optional window)
 145   (let ((edges  (window-pixel-edges window))
 146         tmp)
 147     (setq tmp edges)
 148     (setcar tmp (/ (car tmp) (face-width 'default)))
 149     (setq tmp (cdr tmp))
 150     (setcar tmp (/ (car tmp) (face-height 'default)))
 151     (setq tmp (cdr tmp))
 152     (setcar tmp (/ (car tmp) (face-width 'default)))
 153     (setq tmp (cdr tmp))
 154     (setcar tmp (/ (car tmp) (face-height 'default)))
 155     edges))
 156
 157 )) ;; xemacs
 158
 159 (defun flymake-current-row ()
 160   "Return current row number in current frame."
 161   (if (fboundp 'window-edges)
 162       (+ (car (cdr (window-edges))) (count-lines (window-start) (point)))
 163     (count-lines (window-start) (point))))
 164
 165 (defun flymake-selected-frame ()
 166   (if (fboundp 'window-edges)
 167       (selected-frame)
 168     (selected-window)))
 169
 170 ;;;; ]]
 171
 172 (defcustom flymake-log-level -1
 173   "Logging level, only messages with level lower or equal will be logged.
 174 -1 = NONE, 0 = ERROR, 1 = WARNING, 2 = INFO, 3 = DEBUG"
 175   :group 'flymake
 176   :type 'integer)
 177
 178 (defun flymake-log (level text &rest args)
 179   "Log a message at level LEVEL.
 180 If LEVEL is higher than `flymake-log-level', the message is
 181 ignored.  Otherwise, it is printed using `message'.
 182 TEXT is a format control string, and the remaining arguments ARGS
 183 are the string substitutions (see `format')."
 184   (if (<= level flymake-log-level)
 185       (let* ((msg (apply 'format text args)))
 186         (message msg)
 187         ;;(with-temp-buffer
 188         ;;    (insert msg)
 189         ;;   (insert "\n")
 190         ;;   (flymake-save-buffer-in-file (current-buffer) "d:/flymake.log" t)  ; make log file name customizable
 191         ;;)
 192         )))
 193
 194 (defun flymake-ins-after (list pos val)
 195   "Insert VAL into LIST after position POS."
 196   (let ((tmp (copy-sequence list)))     ; (???)
 197     (setcdr (nthcdr pos tmp) (cons val (nthcdr (1+ pos) tmp)))
 198     tmp))
 199
 200 (defun flymake-set-at (list pos val)
 201   "Set VAL at position POS in LIST."
 202   (let ((tmp (copy-sequence list)))     ; (???)
 203     (setcar (nthcdr pos tmp) val)
 204     tmp))
 205
 206 (defvar flymake-pid-to-names (flymake-makehash)
 207   "Hash table mapping PIDs to source buffer names and output files.")
 208
 209 (defun flymake-reg-names (pid source-buffer-name)
 210   "Associate PID with SOURCE-BUFFER-NAME in `flymake-pid-to-names'."
 211   (unless (stringp source-buffer-name)
 212     (error "Invalid buffer name"))
 213   (puthash pid (list source-buffer-name) flymake-pid-to-names))
 214
 215 (defun flymake-get-source-buffer-name (pid)
 216   "Return buffer name associated with PID in `flymake-pid-to-names'."
 217   (nth 0 (gethash pid flymake-pid-to-names)))
 218
 219 (defun flymake-unreg-names (pid)
 220   "Remove the entry associated with PID from `flymake-pid-to-names'."
 221   (remhash pid flymake-pid-to-names))
 222
 223 (defvar flymake-buffer-data (flymake-makehash)
 224   "Data specific to syntax check tool, in name-value pairs.")
 225
 226 (make-variable-buffer-local 'flymake-buffer-data)
 227
 228 (defun flymake-get-buffer-value (buffer name)
 229   (gethash name (with-current-buffer buffer flymake-buffer-data)))
 230
 231 (defun flymake-set-buffer-value (buffer name value)
 232   (puthash name value (with-current-buffer buffer flymake-buffer-data)))
 233
 234 (defvar flymake-output-residual nil)
 235
 236 (make-variable-buffer-local 'flymake-output-residual)
 237
 238 (defcustom flymake-allowed-file-name-masks
 239   '((".+\\.c$" flymake-simple-make-init flymake-simple-cleanup flymake-get-real-file-name)
 240     (".+\\.cpp$" flymake-simple-make-init flymake-simple-cleanup flymake-get-real-file-name)
 241     (".+\\.xml$" flymake-xml-init flymake-simple-cleanup flymake-get-real-file-name)
 242     (".+\\.html?$" flymake-xml-init flymake-simple-cleanup flymake-get-real-file-name)
 243     (".+\\.cs$" flymake-simple-make-init flymake-simple-cleanup flymake-get-real-file-name)
 244     (".+\\.pl$" flymake-perl-init flymake-simple-cleanup flymake-get-real-file-name)
 245     (".+\\.h$" flymake-master-make-header-init flymake-master-cleanup flymake-get-real-file-name)
 246     (".+\\.java$" flymake-simple-make-java-init flymake-simple-java-cleanup flymake-get-real-file-name)
 247     (".+[0-9]+\\.tex$" flymake-master-tex-init flymake-master-cleanup flymake-get-real-file-name)
 248     (".+\\.tex$" flymake-simple-tex-init flymake-simple-cleanup flymake-get-real-file-name)
 249     (".+\\.idl$" flymake-simple-make-init flymake-simple-cleanup flymake-get-real-file-name)
 250     ;; (".+\\.cpp$" 1)
 251     ;; (".+\\.java$" 3)
 252     ;; (".+\\.h$" 2 (".+\\.cpp$" ".+\\.c$")
 253     ;; ("[ \t]*#[ \t]*include[ \t]*\"\\([\w0-9/\\_\.]*[/\\]*\\)\\(%s\\)\"" 1 2))
 254     ;; (".+\\.idl$" 1)
 255     ;; (".+\\.odl$" 1)
 256     ;; (".+[0-9]+\\.tex$" 2 (".+\\.tex$")
 257     ;; ("[ \t]*\\input[ \t]*{\\(.*\\)\\(%s\\)}" 1 2 ))
 258     ;; (".+\\.tex$" 1)
 259     )
 260   "*Files syntax checking is allowed for."
 261   :group 'flymake
 262   :type '(repeat (string symbol symbol symbol)))
 263
 264 (defun flymake-get-file-name-mode-and-masks (file-name)
 265   "Return the corresponding entry from `flymake-allowed-file-name-masks'."
 266   (unless (stringp file-name)
 267     (error "Invalid file-name"))
 268   (let ((fnm flymake-allowed-file-name-masks)
 269         (mode-and-masks  nil))
 270     (while (and (not mode-and-masks) fnm)
 271       (if (string-match (car (car fnm)) file-name)
 272           (setq mode-and-masks (cdr (car fnm))))
 273       (setq fnm (cdr fnm)))
 274     (flymake-log 3 "file %s, init=%s" file-name (car mode-and-masks))
 275     mode-and-masks))
 276
 277 (defun flymake-can-syntax-check-file (file-name)
 278   "Determine whether we can syntax check FILE-NAME.
 279 Return nil if we cannot, non-nil if we can."
 280   (if (flymake-get-init-function file-name) t nil))
 281
 282 (defun flymake-get-init-function (file-name)
 283   "Return init function to be used for the file."
 284   (let* ((init-f  (nth 0 (flymake-get-file-name-mode-and-masks file-name))))
 285     ;;(flymake-log 0 "calling %s" init-f)
 286     ;;(funcall init-f (current-buffer))
 287     init-f))
 288
 289 (defun flymake-get-cleanup-function (file-name)
 290   "Return cleanup function to be used for the file."
 291   (nth 1 (flymake-get-file-name-mode-and-masks file-name)))
 292
 293 (defun flymake-get-real-file-name-function (file-name)
 294   (or (nth 2 (flymake-get-file-name-mode-and-masks file-name)) 'flymake-get-real-file-name))
 295
 296 (defcustom flymake-buildfile-dirs '("." ".." "../.." "../../.." "../../../.." "../../../../.." "../../../../../.." "../../../../../../.." "../../../../../../../.." "../../../../../../../../.." "../../../../../../../../../.." "../../../../../../../../../../..")
 297   "Dirs to look for buildfile."
 298   :group 'flymake
 299   :type '(repeat (string)))
 300
 301 (defvar flymake-find-buildfile-cache (flymake-makehash 'equal))
 302
 303 (defun flymake-get-buildfile-from-cache (dir-name)
 304   (gethash dir-name flymake-find-buildfile-cache))
 305
 306 (defun flymake-add-buildfile-to-cache (dir-name buildfile)
 307   (puthash dir-name buildfile flymake-find-buildfile-cache))
 308
 309 (defun flymake-clear-buildfile-cache ()
 310   (clrhash flymake-find-buildfile-cache))
 311
 312 (defun flymake-find-buildfile (buildfile-name source-dir-name dirs)
 313   "Find buildfile starting from current directory.
 314 Buildfile includes Makefile, build.xml etc.
 315 Return its file name if found, or nil if not found."
 316   (if (flymake-get-buildfile-from-cache source-dir-name)
 317       (progn
 318         (flymake-get-buildfile-from-cache source-dir-name))
 319     (let* ((buildfile-dir          nil)
 320            (buildfile              nil)
 321            (found                  nil))
 322       (while (and (not found) dirs)
 323         (setq buildfile-dir (concat source-dir-name (car dirs)))
 324         (setq buildfile (concat buildfile-dir "/" buildfile-name))
 325         (when (file-exists-p buildfile)
 326           (setq found t))
 327         (setq dirs (cdr dirs)))
 328       (if found
 329           (progn
 330             (flymake-log 3 "found buildfile at %s/%s" buildfile-dir buildfile-name)
 331             (flymake-add-buildfile-to-cache source-dir-name buildfile-dir)
 332             buildfile-dir)
 333         (progn
 334           (flymake-log 3 "buildfile for %s not found" source-dir-name)
 335           nil)))))
 336
 337 (defun flymake-fix-file-name (name)
 338   "Replace all occurences of '\' with '/'."
 339   (when name
 340     (let* ((new-name (flymake-replace-regexp-in-string "[\\]" "/" (expand-file-name name)))
 341            (last-char (elt new-name (1- (length new-name)))))
 342       (setq new-name (flymake-replace-regexp-in-string "\\./" "" new-name))
 343       (if (equal "/" (char-to-string last-char))
 344           (setq new-name (substring new-name 0 (1- (length new-name)))))
 345       new-name)))
 346
 347 (defun flymake-same-files (file-name-one file-name-two)
 348   "Check if FILE-NAME-ONE and FILE-NAME-TWO point to same file.
 349 Return t if so, nil if not."
 350   (equal (flymake-fix-file-name file-name-one)
 351          (flymake-fix-file-name file-name-two)))
 352
 353 (defun flymake-get-common-file-prefix (string-one string-two)
 354   "Return common prefix for two file names STRING-ONE and STRING-TWO."
 355   (setq string-one (file-name-as-directory string-one))
 356   (setq string-two (file-name-as-directory string-two))
 357   (let ((n (compare-strings string-one nil nil string-two nil nil)))
 358     (if (eq n t) string-one
 359       (setq n (abs (1+ n)))
 360       (file-name-directory (substring string-one 0 n)))))
 361
 362 (defun flymake-build-relative-filename (from-dir to-dir)
 363   "Return rel: FROM-DIR/rel == TO-DIR."
 364   ;; FIXME: Why not use `file-relative-name'?
 365   (if (not (equal (elt from-dir 0) (elt to-dir 0)))
 366       (error "First chars in file names %s, %s must be equal (same drive)"
 367              from-dir to-dir)
 368     (let* ((from (file-name-as-directory (flymake-fix-file-name from-dir)))
 369            (to   (file-name-as-directory (flymake-fix-file-name to-dir)))
 370            (prefix      (flymake-get-common-file-prefix from to))
 371            (from-suffix (substring from (length prefix)))
 372            (up-count    (length (flymake-split-string from-suffix "[/]")))
 373            (to-suffix   (substring to   (length prefix)))
 374            (idx         0)
 375            (rel         nil))
 376       (if (and (> (length to-suffix) 0) (equal "/" (char-to-string (elt to-suffix 0))))
 377           (setq to-suffix (substring to-suffix 1)))
 378
 379       (while (< idx up-count)
 380         (if (> (length rel) 0)
 381             (setq rel (concat rel "/")))
 382         (setq rel (concat rel ".."))
 383         (setq idx (1+ idx)))
 384       (if (> (length rel) 0)
 385           (setq rel (concat rel "/")))
 386       (if (> (length to-suffix) 0)
 387           (setq rel (concat rel to-suffix)))
 388       (or rel "./"))))
 389
 390 (defcustom flymake-master-file-dirs '("." "./src" "./UnitTest")
 391   "Dirs where to look for master files."
 392   :group 'flymake
 393   :type '(repeat (string)))
 394
 395 (defcustom flymake-master-file-count-limit 32
 396   "Max number of master files to check."
 397   :group 'flymake
 398   :type 'integer)
 399
 400 ;; This is bound dynamically to pass a parameter to a sort predicate below
 401 (defvar flymake-included-file-name)
 402
 403 (defun flymake-find-possible-master-files (file-name master-file-dirs masks)
 404   "Find (by name and location) all possible master files.
 405 Master files are .cpp and .c for and .h.  Files are searched for
 406 starting from the .h directory and max max-level parent dirs.
 407 File contents are not checked."
 408   (let* ((dirs master-file-dirs)
 409          (files  nil)
 410          (done   nil))
 411
 412     (while (and (not done) dirs)
 413       (let* ((dir (concat (flymake-fix-file-name (file-name-directory file-name))
 414                           "/" (car dirs)))
 415              (masks masks))
 416         (while (and (file-exists-p dir) (not done) masks)
 417           (let* ((mask        (car masks))
 418                  (dir-files   (directory-files dir t mask)))
 419
 420             (flymake-log 3 "dir %s, %d file(s) for mask %s"
 421                          dir (length dir-files) mask)
 422             (while (and (not done) dir-files)
 423               (when (not (file-directory-p (car dir-files)))
 424                 (setq files (cons (car dir-files) files))
 425                 (when (>= (length files) flymake-master-file-count-limit)
 426                   (flymake-log 3 "master file count limit (%d) reached" flymake-master-file-count-limit)
 427                   (setq done t)))
 428               (setq dir-files (cdr dir-files))))
 429           (setq masks (cdr masks))))
 430       (setq dirs (cdr dirs)))
 431     (when files
 432       (let ((flymake-included-file-name (file-name-nondirectory file-name)))
 433         (setq files (sort files 'flymake-master-file-compare))))
 434     (flymake-log 3 "found %d possible master file(s)" (length files))
 435     files))
 436
 437 (defun flymake-master-file-compare (file-one file-two)
 438   "Compare two files specified by FILE-ONE and FILE-TWO.
 439 This function is used in sort to move most possible file names
 440 to the beginning of the list (File.h -> File.cpp moved to top)."
 441   (and (equal (file-name-sans-extension flymake-included-file-name)
 442               (file-name-sans-extension (file-name-nondirectory file-one)))
 443        (not (equal file-one file-two))))
 444
 445 (defcustom flymake-check-file-limit 8192
 446   "Max number of chars to look at when checking possible master file."
 447   :group 'flymake
 448   :type 'integer)
 449
 450 (defun flymake-check-patch-master-file-buffer (master-file-temp-buffer
 451                                                master-file-name patched-master-file-name
 452                                                source-file-name patched-source-file-name
 453                                                include-dirs regexp-list)
 454   "Check if MASTER-FILE-NAME is a master file for SOURCE-FILE-NAME.
 455 For .cpp master file this means it includes SOURCE-FILE-NAME (.h).
 456 If yes, patch a copy of MASTER-FILE-NAME to include PATCHED-SOURCE-FILE-NAME
 457 instead of SOURCE-FILE-NAME.
 458 Whether a buffer for MATER-FILE-NAME exists, use it as a source
 459 instead of reading master file from disk."
 460   (let* ((found                     nil)
 461          (regexp                    (format (nth 0 regexp-list) ; "[ \t]*#[ \t]*include[ \t]*\"\\([\w0-9/\\_\.]*[/\\]*\\)\\(%s\\)\""
 462                                             (file-name-nondirectory source-file-name)))
 463          (path-idx                  (nth 1 regexp-list))
 464          (name-idx                  (nth 2 regexp-list))
 465          (inc-path                  nil)
 466          (inc-name                  nil)
 467          (search-limit              flymake-check-file-limit))
 468     (save-excursion
 469       (unwind-protect
 470           (progn
 471             (set-buffer master-file-temp-buffer)
 472             (when (> search-limit (point-max))
 473               (setq search-limit (point-max)))
 474             (flymake-log 3 "checking %s against regexp %s" master-file-name regexp)
 475             (goto-char (point-min))
 476             (while (and (< (point) search-limit) (re-search-forward regexp search-limit t))
 477               (let* ((match-beg   (match-beginning name-idx))
 478                      (match-end   (match-end name-idx)))
 479
 480                 (flymake-log 3 "found possible match for %s" (file-name-nondirectory source-file-name))
 481                 (setq inc-path (match-string path-idx))
 482                 (setq inc-name (match-string name-idx))
 483                 (when (string= inc-name (file-name-nondirectory source-file-name))
 484                   (flymake-log 3 "inc-path=%s inc-name=%s" inc-path inc-name)
 485                   (when (flymake-check-include source-file-name inc-path inc-name include-dirs)
 486                     (setq found t)
 487                     ;;  replace-match is not used here as it fails in
 488                     ;; XEmacs with 'last match not a buffer' error as
 489                     ;; check-includes calls replace-in-string
 490                     (flymake-replace-region match-beg match-end
 491                                             (file-name-nondirectory patched-source-file-name))))
 492                 (forward-line 1)))
 493             (when found
 494               (flymake-save-buffer-in-file (current-buffer) patched-master-file-name)))
 495         ;;+(flymake-log 3 "killing buffer %s" (buffer-name master-file-temp-buffer))
 496         (kill-buffer master-file-temp-buffer)))
 497     ;;+(flymake-log 3 "check-patch master file %s: %s" master-file-name found)
 498     (when found
 499       (flymake-log 2 "found master file %s" master-file-name))
 500     found))
 501
 502 (defun flymake-replace-region (beg end rep)
 503   "Replace text in BUFFER in region (BEG END) with REP."
 504   (save-excursion
 505     (goto-char end)
 506     ;; Insert before deleting, so as to better preserve markers's positions.
 507     (insert rep)
 508     (delete-region beg end)))
 509
 510 (defun flymake-read-file-to-temp-buffer (file-name)
 511   "Insert contents of FILE-NAME into newly created temp buffer."
 512   (let* ((temp-buffer (get-buffer-create (generate-new-buffer-name (concat "flymake:" (file-name-nondirectory file-name))))))
 513     (with-current-buffer temp-buffer
 514       (insert-file-contents file-name))
 515     temp-buffer))
 516
 517 (defun flymake-copy-buffer-to-temp-buffer (buffer)
 518   "Copy contents of BUFFER into newly created temp buffer."
 519   (let ((contents     nil)
 520         (temp-buffer  nil))
 521     (with-current-buffer buffer
 522       (setq contents (buffer-string))
 523
 524       (setq temp-buffer (get-buffer-create (generate-new-buffer-name (concat "flymake:" (buffer-name buffer)))))
 525       (set-buffer temp-buffer)
 526       (insert contents))
 527     temp-buffer))
 528
 529 (defun flymake-check-include (source-file-name inc-path inc-name include-dirs)
 530   "Check if SOURCE-FILE-NAME can be found in include path.
 531 Return t if it can be found via include path using INC-PATH and INC-NAME."
 532   (if (file-name-absolute-p inc-path)
 533       (flymake-same-files source-file-name (concat inc-path "/" inc-name))
 534     (let* ((file-name  nil)
 535            (found      nil))
 536       (while (and (not found) include-dirs)
 537         (setq file-name (concat (file-name-directory source-file-name)
 538                                 "/" (car include-dirs)))
 539         (if (> (length inc-path) 0)
 540             (setq file-name (concat file-name "/" inc-path)))
 541         (setq file-name (concat file-name "/" inc-name))
 542         (when (flymake-same-files source-file-name file-name)
 543           (setq found t))
 544         (setq include-dirs (cdr include-dirs)))
 545       found)))
 546
 547 (defun flymake-find-buffer-for-file (file-name)
 548   "Check if there exists a buffer visiting FILE-NAME.
 549 Return t if so, nil if not."
 550   (let ((buffer-name (get-file-buffer file-name)))
 551     (if buffer-name
 552         (get-buffer buffer-name))))
 553
 554 (defun flymake-create-master-file (source-file-name patched-source-file-name get-incl-dirs-f create-temp-f masks include-regexp-list)
 555   "Save SOURCE-FILE-NAME with a different name.
 556 Find master file, patch and save it."
 557   (let* ((possible-master-files     (flymake-find-possible-master-files source-file-name flymake-master-file-dirs masks))
 558          (master-file-count         (length possible-master-files))
 559          (idx                       0)
 560          (temp-buffer               nil)
 561          (master-file-name          nil)
 562          (patched-master-file-name  nil)
 563          (found                     nil))
 564
 565     (while (and (not found) (< idx master-file-count))
 566       (setq master-file-name (nth idx possible-master-files))
 567       (setq patched-master-file-name (funcall create-temp-f master-file-name "flymake_master"))
 568       (if (flymake-find-buffer-for-file master-file-name)
 569           (setq temp-buffer (flymake-copy-buffer-to-temp-buffer (flymake-find-buffer-for-file master-file-name)))
 570         (setq temp-buffer (flymake-read-file-to-temp-buffer master-file-name)))
 571       (setq found
 572             (flymake-check-patch-master-file-buffer
 573              temp-buffer
 574              master-file-name
 575              patched-master-file-name
 576              source-file-name
 577              patched-source-file-name
 578              (funcall get-incl-dirs-f (file-name-directory master-file-name))
 579              include-regexp-list))
 580       (setq idx (1+ idx)))
 581     (if found
 582         (list master-file-name patched-master-file-name)
 583       (progn
 584         (flymake-log 3 "none of %d master file(s) checked includes %s" master-file-count
 585                      (file-name-nondirectory source-file-name))
 586         nil))))
 587
 588 (defun flymake-save-buffer-in-file (buffer file-name)
 589   (or buffer
 590       (error "Invalid buffer"))
 591   (with-current-buffer buffer
 592     (save-restriction
 593       (widen)
 594       (make-directory (file-name-directory file-name) 1)
 595       (write-region (point-min) (point-max) file-name nil 566)))
 596   (flymake-log 3 "saved buffer %s in file %s" (buffer-name buffer) file-name))
 597
 598 (defun flymake-save-string-to-file (file-name data)
 599   "Save string DATA to file FILE-NAME."
 600   (write-region data nil file-name nil 566))
 601
 602 (defun flymake-read-file-to-string (file-name)
 603   "Read contents of file FILE-NAME and return as a string."
 604   (with-temp-buffer
 605     (insert-file-contents file-name)
 606     (buffer-substring (point-min) (point-max))))
 607
 608 (defun flymake-process-filter (process output)
 609   "Parse OUTPUT and highlight error lines.
 610 It's flymake process filter."
 611   (let* ((pid               (process-id process))
 612          (source-buffer     (get-buffer (flymake-get-source-buffer-name pid))))
 613
 614     (flymake-log 3 "received %d byte(s) of output from process %d" (length output) pid)
 615     (when source-buffer
 616       (flymake-parse-output-and-residual source-buffer output))))
 617
 618 (defun flymake-process-sentinel (process event)
 619   "Sentinel for syntax check buffers."
 620   (if (memq (process-status process) '(signal exit))
 621       (let*((exit-status       (process-exit-status process))
 622             (command           (process-command process))
 623             (pid               (process-id process))
 624             (source-buffer     (get-buffer (flymake-get-source-buffer-name pid)))
 625             (cleanup-f         (flymake-get-cleanup-function (buffer-file-name source-buffer))))
 626
 627         (flymake-log 2 "process %d exited with code %d" pid exit-status)
 628         (condition-case err
 629             (progn
 630               (flymake-log 3 "cleaning up using %s" cleanup-f)
 631               (funcall cleanup-f source-buffer)
 632
 633               (flymake-unreg-names pid)
 634               (delete-process process)
 635
 636               (when source-buffer
 637                 (with-current-buffer source-buffer
 638
 639                   (flymake-parse-residual source-buffer)
 640                   (flymake-post-syntax-check source-buffer exit-status command)
 641                   (setq flymake-is-running nil))))
 642           (error
 643            (let ((err-str (format "Error in process sentinel for buffer %s: %s"
 644                                   source-buffer (error-message-string err))))
 645              (flymake-log 0 err-str)
 646              (with-current-buffer source-buffer
 647                (setq flymake-is-running nil))))))))
 648
 649 (defun flymake-post-syntax-check (source-buffer exit-status command)
 650   (with-current-buffer source-buffer
 651     (setq flymake-err-info flymake-new-err-info)
 652     (setq flymake-new-err-info nil)
 653     (setq flymake-err-info
 654           (flymake-fix-line-numbers
 655            flymake-err-info 1 (flymake-count-lines source-buffer))))
 656   (flymake-delete-own-overlays source-buffer)
 657   (flymake-highlight-err-lines
 658    source-buffer (with-current-buffer source-buffer flymake-err-info))
 659   (let (err-count warn-count)
 660     (with-current-buffer source-buffer
 661       (setq err-count (flymake-get-err-count flymake-err-info "e"))
 662       (setq warn-count  (flymake-get-err-count flymake-err-info "w"))
 663       (flymake-log 2 "%s: %d error(s), %d warning(s) in %.2f second(s)"
 664                  (buffer-name source-buffer) err-count warn-count
 665                  (- (flymake-float-time) flymake-check-start-time))
 666       (setq flymake-check-start-time nil))
 667
 668     (if (and (equal 0 err-count) (equal 0 warn-count))
 669         (if (equal 0 exit-status)
 670             (flymake-report-status source-buffer "" "") ; PASSED
 671           (if (not (with-current-buffer source-buffer
 672                      flymake-check-was-interrupted))
 673               (flymake-report-fatal-status (current-buffer) "CFGERR"
 674                                            (format "Configuration error has occured while running %s" command))
 675             (flymake-report-status source-buffer nil ""))) ; "STOPPED"
 676       (flymake-report-status source-buffer (format "%d/%d" err-count warn-count) ""))))
 677
 678 (defun flymake-parse-output-and-residual (source-buffer output)
 679   "Split OUTPUT into lines, merge in residual if necessary."
 680   (with-current-buffer source-buffer
 681     (let* ((buffer-residual     flymake-output-residual)
 682            (total-output        (if buffer-residual (concat buffer-residual output) output))
 683            (lines-and-residual  (flymake-split-output total-output))
 684            (lines               (nth 0 lines-and-residual))
 685            (new-residual        (nth 1 lines-and-residual)))
 686       (with-current-buffer source-buffer
 687         (setq flymake-output-residual new-residual)
 688         (setq flymake-new-err-info
 689               (flymake-parse-err-lines
 690                flymake-new-err-info
 691                source-buffer lines))))))
 692
 693 (defun flymake-parse-residual (source-buffer)
 694   "Parse residual if it's non empty."
 695   (with-current-buffer source-buffer
 696     (when flymake-output-residual
 697       (setq flymake-new-err-info
 698             (flymake-parse-err-lines
 699              flymake-new-err-info
 700              source-buffer
 701              (list flymake-output-residual)))
 702       (setq flymake-output-residual nil))))
 703
 704 (defvar flymake-err-info nil
 705   "Sorted list of line numbers and lists of err info in the form (file, err-text).")
 706
 707 (make-variable-buffer-local 'flymake-err-info)
 708
 709 (defun flymake-er-make-er (line-no line-err-info-list)
 710   (list line-no line-err-info-list))
 711
 712 (defun flymake-er-get-line (err-info)
 713   (nth 0 err-info))
 714
 715 (defun flymake-er-get-line-err-info-list (err-info)
 716   (nth 1 err-info))
 717
 718 (defvar flymake-new-err-info nil
 719   "Same as `flymake-err-info', effective when a syntax check is in progress.")
 720
 721 (make-variable-buffer-local 'flymake-new-err-info)
 722
 723 ;; getters/setters for line-err-info: (file, line, type, text).
 724 (defun flymake-ler-make-ler (file line type text &optional full-file)
 725   (list file line type text full-file))
 726
 727 (defun flymake-ler-get-file (line-err-info)
 728   (nth 0 line-err-info))
 729
 730 (defun flymake-ler-get-line (line-err-info)
 731   (nth 1 line-err-info))
 732
 733 (defun flymake-ler-get-type (line-err-info)
 734   (nth 2 line-err-info))
 735
 736 (defun flymake-ler-get-text (line-err-info)
 737   (nth 3 line-err-info))
 738
 739 (defun flymake-ler-get-full-file (line-err-info)
 740   (nth 4 line-err-info))
 741
 742 (defun flymake-ler-set-file (line-err-info file)
 743   (flymake-ler-make-ler file
 744                         (flymake-ler-get-line line-err-info)
 745                         (flymake-ler-get-type line-err-info)
 746                         (flymake-ler-get-text line-err-info)
 747                         (flymake-ler-get-full-file line-err-info)))
 748
 749 (defun flymake-ler-set-full-file (line-err-info full-file)
 750   (flymake-ler-make-ler (flymake-ler-get-file line-err-info)
 751                         (flymake-ler-get-line line-err-info)
 752                         (flymake-ler-get-type line-err-info)
 753                         (flymake-ler-get-text line-err-info)
 754                         full-file))
 755
 756 (defun flymake-ler-set-line (line-err-info line)
 757   (flymake-ler-make-ler (flymake-ler-get-file line-err-info)
 758                         line
 759                         (flymake-ler-get-type line-err-info)
 760                         (flymake-ler-get-text line-err-info)
 761                         (flymake-ler-get-full-file line-err-info)))
 762
 763 (defun flymake-get-line-err-count (line-err-info-list type)
 764   "Return number of errors of specified TYPE.
 765 Value of TYPE is either \"e\" or \"w\"."
 766   (let* ((idx        0)
 767          (count      (length line-err-info-list))
 768          (err-count  0))
 769
 770     (while (< idx count)
 771       (when (equal type (flymake-ler-get-type (nth idx line-err-info-list)))
 772         (setq err-count (1+ err-count)))
 773       (setq idx (1+ idx)))
 774     err-count))
 775
 776 (defun flymake-get-err-count (err-info-list type)
 777   "Return number of errors of specified TYPE for ERR-INFO-LIST."
 778   (let* ((idx        0)
 779          (count      (length err-info-list))
 780          (err-count  0))
 781     (while (< idx count)
 782       (setq err-count (+ err-count (flymake-get-line-err-count (nth 1 (nth idx err-info-list)) type)))
 783       (setq idx (1+ idx)))
 784     err-count))
 785
 786 (defun flymake-fix-line-numbers (err-info-list min-line max-line)
 787   "Replace line numbers with fixed value.
 788 If line-numbers is less than MIN-LINE, set line numbers to MIN-LINE.
 789 If line numbers is greater than MAX-LINE, set line numbers to MAX-LINE.
 790 The reason for this fix is because some compilers might report
 791 line number outside the file being compiled."
 792   (let* ((count     (length err-info-list))
 793          (err-info  nil)
 794          (line      0))
 795     (while (> count 0)
 796       (setq err-info (nth (1- count) err-info-list))
 797       (setq line (flymake-er-get-line err-info))
 798       (when (or (< line min-line) (> line max-line))
 799         (setq line (if (< line min-line) min-line max-line))
 800         (setq err-info-list (flymake-set-at err-info-list (1- count)
 801                                             (flymake-er-make-er line
 802                                                                 (flymake-er-get-line-err-info-list err-info)))))
 803       (setq count (1- count))))
 804   err-info-list)
 805
 806 (defun flymake-highlight-err-lines (buffer err-info-list)
 807   "Highlight error lines in BUFFER using info from ERR-INFO-LIST."
 808   (with-current-buffer buffer
 809     (let* ((idx    0)
 810            (count  (length err-info-list)))
 811       (while (< idx count)
 812         (flymake-highlight-line (car (nth idx err-info-list)) (nth 1 (nth idx err-info-list)))
 813         (setq idx (1+ idx))))))
 814
 815 (defun flymake-overlay-p (ov)
 816   "Determine whether overlay OV was created by flymake."
 817   (and (overlayp ov) (overlay-get ov 'flymake-overlay)))
 818
 819 (defun flymake-make-overlay (beg end tooltip-text face mouse-face)
 820   "Allocate a flymake overlay in range BEG and END."
 821   (when (not (flymake-region-has-flymake-overlays beg end))
 822     (let ((ov (make-overlay beg end nil t t)))
 823       (overlay-put ov 'face           face)
 824       (overlay-put ov 'mouse-face     mouse-face)
 825       (overlay-put ov 'help-echo      tooltip-text)
 826       (overlay-put ov 'flymake-overlay  t)
 827       (overlay-put ov 'priority 100)
 828       ;;+(flymake-log 3 "created overlay %s" ov)
 829       ov)
 830     (flymake-log 3 "created an overlay at (%d-%d)" beg end)))
 831
 832 (defun flymake-delete-own-overlays (buffer)
 833   "Delete all flymake overlays in BUFFER."
 834   (with-current-buffer buffer
 835     (let ((ov (overlays-in (point-min) (point-max))))
 836       (while (consp ov)
 837         (when (flymake-overlay-p (car ov))
 838           (delete-overlay (car ov))
 839           ;;+(flymake-log 3 "deleted overlay %s" ov)
 840           )
 841         (setq ov (cdr ov))))))
 842
 843 (defun flymake-region-has-flymake-overlays (beg end)
 844   "Check if region specified by BEG and END has overlay.
 845 Return t if it has at least one flymake overlay, nil if no overlay."
 846   (let ((ov                  (overlays-in beg end))
 847         (has-flymake-overlays  nil))
 848     (while (consp ov)
 849       (when (flymake-overlay-p (car ov))
 850         (setq has-flymake-overlays t))
 851       (setq ov (cdr ov)))
 852     has-flymake-overlays))
 853
 854 (defface flymake-errline
 855   ;;+   '((((class color)) (:foreground "OrangeRed" :bold t :underline t))
 856   ;;+   '((((class color)) (:underline "OrangeRed"))
 857   '((((class color)) (:background "LightPink"))
 858     (t (:bold t)))
 859   "Face used for marking error lines."
 860   :group 'flymake)
 861 ;; backward-compatibility alias
 862 (put 'flymake-errline-face 'face-alias 'flymake-errline)
 863
 864 (defface flymake-warnline
 865   '((((class color)) (:background "LightBlue2"))
 866     (t (:bold t)))
 867   "Face used for marking warning lines."
 868   :group 'flymake)
 869 ;; backward-compatibility alias
 870 (put 'flymake-warnline-face 'face-alias 'flymake-warnline)
 871
 872 (defun flymake-highlight-line (line-no line-err-info-list)
 873   "Highlight line LINE-NO in current buffer.
 874 Perhaps use text from LINE-ERR-INFO-LIST to enhance highlighting."
 875   (goto-line line-no)
 876   (let* ((line-beg (flymake-line-beginning-position))
 877          (line-end (flymake-line-end-position))
 878          (beg      line-beg)
 879          (end      line-end)
 880          (tooltip-text (flymake-ler-get-text (nth 0 line-err-info-list)))
 881          (face     nil))
 882
 883     (goto-char line-beg)
 884     (while (looking-at "[ \t]")
 885       (forward-char))
 886
 887     (setq beg (point))
 888
 889     (goto-char line-end)
 890     (while (and (looking-at "[ \t\r\n]") (> (point) 1))
 891       (backward-char))
 892
 893     (setq end (1+ (point)))
 894
 895     (when (<= end beg)
 896       (setq beg line-beg)
 897       (setq end line-end))
 898
 899     (when (= end beg)
 900       (goto-char end)
 901       (forward-line)
 902       (setq end (point)))
 903
 904     (if (> (flymake-get-line-err-count line-err-info-list "e") 0)
 905         (setq face 'flymake-errline)
 906       (setq face 'flymake-warnline))
 907
 908     (flymake-make-overlay beg end tooltip-text face nil)))
 909
 910 (defun flymake-parse-err-lines (err-info-list source-buffer lines)
 911   "Parse err LINES, store info in ERR-INFO-LIST."
 912   (let* ((count              (length lines))
 913          (idx                0)
 914          (line-err-info      nil)
 915          (real-file-name     nil)
 916          (source-file-name   (buffer-file-name source-buffer))
 917          (get-real-file-name-f (flymake-get-real-file-name-function source-file-name)))
 918
 919     (while (< idx count)
 920       (setq line-err-info (flymake-parse-line (nth idx lines)))
 921       (when line-err-info
 922         (setq real-file-name (funcall get-real-file-name-f source-buffer (flymake-ler-get-file line-err-info)))
 923         (setq line-err-info (flymake-ler-set-full-file line-err-info real-file-name))
 924
 925         (if (flymake-same-files real-file-name source-file-name)
 926             (setq line-err-info (flymake-ler-set-file line-err-info nil))
 927           (setq line-err-info (flymake-ler-set-file line-err-info (file-name-nondirectory real-file-name))))
 928
 929         (setq err-info-list (flymake-add-err-info err-info-list line-err-info)))
 930       (flymake-log 3 "parsed '%s', %s line-err-info" (nth idx lines) (if line-err-info "got" "no"))
 931       (setq idx (1+ idx)))
 932     err-info-list))
 933
 934 (defun flymake-split-output (output)
 935   "Split OUTPUT into lines.
 936 Return last one as residual if it does not end with newline char.
 937 Returns ((LINES) RESIDUAL)."
 938   (when (and output (> (length output) 0))
 939     (let* ((lines (flymake-split-string output "[\n\r]+"))
 940            (complete (equal "\n" (char-to-string (aref output (1- (length output))))))
 941            (residual nil))
 942       (when (not complete)
 943         (setq residual (car (last lines)))
 944         (setq lines (butlast lines)))
 945       (list lines residual))))
 946
 947 (defun flymake-reformat-err-line-patterns-from-compile-el (original-list)
 948   "Grab error line patterns from ORIGINAL-LIST in compile.el format.
 949 Convert it to flymake internal format."
 950   (let* ((converted-list '()))
 951     (dolist (item original-list)
 952       (setq item (cdr item))
 953       (let ((regexp (nth 0 item))
 954             (file (nth 1 item))
 955             (line (nth 2 item))
 956             (col (nth 3 item)))
 957         (if (consp file)        (setq file (car file)))
 958         (if (consp line)        (setq line (car line)))
 959         (if (consp col) (setq col (car col)))
 960
 961         (when (not (functionp line))
 962           (setq converted-list (cons (list regexp file line col) converted-list)))))
 963     converted-list))
 964
 965 (eval-when-compile
 966   (require 'compile))
 967
 968 (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
 969   (append
 970    '(
 971      ;; MS Visual C++ 6.0
 972      ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\)) \: \\(\\(error\\|warning\\|fatal error\\) \\(C[0-9]+\\):[ \t\n]*\\(.+\\)\\)"
 973       1 3 nil 4)
 974      ;; jikes
 975      ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)\:\\([0-9]+\\)\:[0-9]+\:[0-9]+\:[0-9]+\: \\(\\(Error\\|Warning\\|Caution\\|Semantic Error\\):[ \t\n]*\\(.+\\)\\)"
 976       1 3 nil 4)
 977      ;; MS midl
 978      ("midl[ ]*:[ ]*\\(command line error .*\\)"
 979       nil nil nil 1)
 980      ;; MS C#
 981      ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\),[0-9]+)\: \\(\\(error\\|warning\\|fatal error\\) \\(CS[0-9]+\\):[ \t\n]*\\(.+\\)\\)"
 982       1 3 nil 4)
 983      ;; perl
 984      ("\\(.*\\) at \\([^ \n]+\\) line \\([0-9]+\\)[,.\n]" 2 3 nil 1)
 985      ;; LaTeX warnings (fileless) ("\\(LaTeX \\(Warning\\|Error\\): .*\\) on input line \\([0-9]+\\)" 20 3 nil 1)
 986      ;; ant/javac
 987      (" *\\(\\[javac\\]\\)? *\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)\:\\([0-9]+\\)\:[ \t\n]*\\(.+\\)"
 988       2 4 nil 5))
 989    ;; compilation-error-regexp-alist)
 990    (flymake-reformat-err-line-patterns-from-compile-el compilation-error-regexp-alist-alist))
 991   "Patterns for matching error/warning lines.
 992 \(REGEXP FILE-IDX LINE-IDX ERR-TEXT-IDX).
 993 Use `flymake-reformat-err-line-patterns-from-compile-el' to add patterns
 994 from compile.el")
 995
 996 ;;(defcustom flymake-err-line-patterns
 997 ;;  '(
 998 ;;    ; MS Visual C++ 6.0
 999 ;;    ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\)) \: \\(\\(error\\|warning\\|fatal error\\) \\(C[0-9]+\\):[ \t\n]*\\(.+\\)\\)"
1000 ;;       1 3 4)
1001 ;;   ; jikes
1002 ;;   ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)\:\\([0-9]+\\)\:[0-9]+\:[0-9]+\:[0-9]+\: \\(\\(Error\\|Warning\\|Caution\\):[ \t\n]*\\(.+\\)\\)"
1003 ;;       1 3 4))
1004 ;;    "patterns for matching error/warning lines, (regexp file-idx line-idx err-text-idx)"
1005 ;;   :group 'flymake
1006 ;;   :type '(repeat (string number number number))
1007 ;;)
1008
1009 (defun flymake-parse-line (line)
1010   "Parse LINE to see if it is an error or warning.
1011 Return its components if so, nil otherwise."
1012   (let ((raw-file-name nil)
1013         (line-no 0)
1014         (err-type "e")
1015         (err-text nil)
1016         (patterns flymake-err-line-patterns)
1017         (matched nil))
1018     (while (and patterns (not matched))
1019       (when (string-match (car (car patterns)) line)
1020         (let* ((file-idx (nth 1 (car patterns)))
1021                (line-idx (nth 2 (car patterns))))
1022
1023           (setq raw-file-name (if file-idx (match-string file-idx line) nil))
1024           (setq line-no       (if line-idx (string-to-number (match-string line-idx line)) 0))
1025           (setq err-text      (if (> (length (car patterns)) 4)
1026                                   (match-string (nth 4 (car patterns)) line)
1027                                 (flymake-patch-err-text (substring line (match-end 0)))))
1028           (or err-text (setq err-text "<no error text>"))
1029           (if (and err-text (string-match "^[wW]arning" err-text))
1030               (setq err-type "w")
1031             )
1032           (flymake-log 3 "parse line: file-idx=%s line-idx=%s file=%s line=%s text=%s" file-idx line-idx
1033                        raw-file-name line-no err-text)
1034           (setq matched t)))
1035       (setq patterns (cdr patterns)))
1036     (if matched
1037         (flymake-ler-make-ler raw-file-name line-no err-type err-text)
1038       ())))
1039
1040 (defun flymake-find-err-info (err-info-list line-no)
1041   "Find (line-err-info-list pos) for specified LINE-NO."
1042   (if err-info-list
1043       (let* ((line-err-info-list  nil)
1044              (pos       0)
1045              (count     (length err-info-list)))
1046
1047         (while (and (< pos count) (< (car (nth pos err-info-list)) line-no))
1048           (setq pos (1+ pos)))
1049         (when (and (< pos count) (equal (car (nth pos err-info-list)) line-no))
1050           (setq line-err-info-list (flymake-er-get-line-err-info-list (nth pos err-info-list))))
1051         (list line-err-info-list pos))
1052     '(nil 0)))
1053
1054 (defun flymake-line-err-info-is-less-or-equal (line-one line-two)
1055   (or (string< (flymake-ler-get-type line-one) (flymake-ler-get-type line-two))
1056       (and (string= (flymake-ler-get-type line-one) (flymake-ler-get-type line-two))
1057            (not (flymake-ler-get-file line-one)) (flymake-ler-get-file line-two))
1058       (and (string= (flymake-ler-get-type line-one) (flymake-ler-get-type line-two))
1059            (or (and      (flymake-ler-get-file line-one)       (flymake-ler-get-file line-two))
1060                (and (not (flymake-ler-get-file line-one)) (not (flymake-ler-get-file line-two)))))))
1061
1062 (defun flymake-add-line-err-info (line-err-info-list line-err-info)
1063   "Update LINE-ERR-INFO-LIST with the error LINE-ERR-INFO.
1064 For the format of LINE-ERR-INFO, see `flymake-ler-make-ler'.
1065 The new element is inserted in the proper position, according to
1066 the predicate `flymake-line-err-info-is-less-or-equal'.
1067 The updated value of LINE-ERR-INFO-LIST is returned."
1068   (if (not line-err-info-list)
1069       (list line-err-info)
1070     (let* ((count  (length line-err-info-list))
1071            (idx    0))
1072       (while (and (< idx count) (flymake-line-err-info-is-less-or-equal (nth idx line-err-info-list) line-err-info))
1073         (setq idx (1+ idx)))
1074       (cond ((equal 0     idx)    (setq line-err-info-list (cons line-err-info line-err-info-list)))
1075             (t                    (setq line-err-info-list (flymake-ins-after line-err-info-list (1- idx) line-err-info))))
1076       line-err-info-list)))
1077
1078 (defun flymake-add-err-info (err-info-list line-err-info)
1079   "Update ERR-INFO-LIST with the error LINE-ERR-INFO, preserving sort order.
1080 Returns the updated value of ERR-INFO-LIST.
1081 For the format of ERR-INFO-LIST, see `flymake-err-info'.
1082 For the format of LINE-ERR-INFO, see `flymake-ler-make-ler'."
1083   (let* ((line-no             (if (flymake-ler-get-file line-err-info) 1 (flymake-ler-get-line line-err-info)))
1084          (info-and-pos        (flymake-find-err-info err-info-list line-no))
1085          (exists              (car info-and-pos))
1086          (pos                 (nth 1 info-and-pos))
1087          (line-err-info-list  nil)
1088          (err-info            nil))
1089
1090     (if exists
1091         (setq line-err-info-list (flymake-er-get-line-err-info-list (car (nthcdr pos err-info-list)))))
1092     (setq line-err-info-list (flymake-add-line-err-info line-err-info-list line-err-info))
1093
1094     (setq err-info (flymake-er-make-er line-no line-err-info-list))
1095     (cond (exists             (setq err-info-list (flymake-set-at err-info-list pos err-info)))
1096           ((equal 0 pos)      (setq err-info-list (cons err-info err-info-list)))
1097           (t                  (setq err-info-list (flymake-ins-after err-info-list (1- pos) err-info))))
1098     err-info-list))
1099
1100 (defun flymake-get-project-include-dirs-imp (basedir)
1101   "Include dirs for the project current file belongs to."
1102   (if (flymake-get-project-include-dirs-from-cache basedir)
1103       (progn
1104         (flymake-get-project-include-dirs-from-cache basedir))
1105     ;;else
1106     (let* ((command-line  (concat "make -C\"" basedir "\" DUMPVARS=INCLUDE_DIRS dumpvars"))
1107            (output        (shell-command-to-string command-line))
1108            (lines         (flymake-split-string output "\n"))
1109            (count         (length lines))
1110            (idx           0)
1111            (inc-dirs      nil))
1112       (while (and (< idx count) (not (string-match "^INCLUDE_DIRS=.*" (nth idx lines))))
1113         (setq idx (1+ idx)))
1114       (when (< idx count)
1115         (let* ((inc-lines  (flymake-split-string (nth idx lines) " *-I"))
1116                (inc-count  (length inc-lines)))
1117           (while (> inc-count 0)
1118             (when (not (string-match "^INCLUDE_DIRS=.*" (nth (1- inc-count) inc-lines)))
1119               (setq inc-dirs (cons (flymake-replace-regexp-in-string "\"" "" (nth (1- inc-count) inc-lines)) inc-dirs)))
1120             (setq inc-count (1- inc-count)))))
1121       (flymake-add-project-include-dirs-to-cache basedir inc-dirs)
1122       inc-dirs)))
1123
1124 (defcustom flymake-get-project-include-dirs-function 'flymake-get-project-include-dirs-imp
1125   "Function used to get project include dirs, one parameter: basedir name."
1126   :group 'flymake
1127   :type 'function)
1128
1129 (defun flymake-get-project-include-dirs (basedir)
1130   (funcall flymake-get-project-include-dirs-function basedir))
1131
1132 (defun flymake-get-system-include-dirs ()
1133   "System include dirs - from the 'INCLUDE' env setting."
1134   (let* ((includes (getenv "INCLUDE")))
1135     (if includes (flymake-split-string includes path-separator) nil)))
1136
1137 (defvar flymake-project-include-dirs-cache (flymake-makehash 'equal))
1138
1139 (defun flymake-get-project-include-dirs-from-cache (base-dir)
1140   (gethash base-dir flymake-project-include-dirs-cache))
1141
1142 (defun flymake-add-project-include-dirs-to-cache (base-dir include-dirs)
1143   (puthash base-dir include-dirs flymake-project-include-dirs-cache))
1144
1145 (defun flymake-clear-project-include-dirs-cache ()
1146   (clrhash flymake-project-include-dirs-cache))
1147
1148 (defun flymake-get-include-dirs (base-dir)
1149   "Get dirs to use when resolving local file names."
1150   (let* ((include-dirs (append '(".") (flymake-get-project-include-dirs base-dir) (flymake-get-system-include-dirs))))
1151     include-dirs))
1152
1153 (defun flymake-restore-formatting (source-buffer)
1154   "Remove any formatting made by flymake."
1155   )
1156
1157 (defun flymake-get-program-dir (buffer)
1158   "Get dir to start program in."
1159   (unless (bufferp buffer)
1160     (error "Invalid buffer"))
1161   (with-current-buffer buffer
1162     default-directory))
1163
1164 (defun flymake-safe-delete-file (file-name)
1165   (when (and file-name (file-exists-p file-name))
1166     (delete-file file-name)
1167     (flymake-log 1 "deleted file %s" file-name)))
1168
1169 (defun flymake-safe-delete-directory (dir-name)
1170   (condition-case err
1171       (progn
1172         (delete-directory dir-name)
1173         (flymake-log 1 "deleted dir %s" dir-name))
1174     (error
1175      (flymake-log 1 "Failed to delete dir %s, error ignored" dir-name))))
1176
1177 (defcustom flymake-compilation-prevents-syntax-check t
1178   "If non-nil, syntax check won't be started in case compilation is running."
1179   :group 'flymake
1180   :type 'boolean)
1181
1182 (defun flymake-start-syntax-check (buffer)
1183   "Start syntax checking for buffer BUFFER."
1184   (unless (bufferp buffer)
1185     (error "Expected a buffer"))
1186   (with-current-buffer buffer
1187     (flymake-log 3 "flymake is running: %s" flymake-is-running)
1188     (when (and (not flymake-is-running)
1189                (flymake-can-syntax-check-file (buffer-file-name buffer)))
1190       (when (or (not flymake-compilation-prevents-syntax-check)
1191                 (not (flymake-compilation-is-running))) ;+ (flymake-rep-ort-status buffer "COMP")
1192         (flymake-clear-buildfile-cache)
1193         (flymake-clear-project-include-dirs-cache)
1194
1195         (setq flymake-check-was-interrupted nil)
1196         (setq flymake-buffer-data (flymake-makehash 'equal))
1197
1198         (let* ((source-file-name  (buffer-file-name buffer))
1199                (init-f (flymake-get-init-function source-file-name))
1200                (cleanup-f (flymake-get-cleanup-function source-file-name))
1201                (cmd-and-args (funcall init-f buffer))
1202                (cmd          (nth 0 cmd-and-args))
1203                (args         (nth 1 cmd-and-args))
1204                (dir          (nth 2 cmd-and-args)))
1205           (if (not cmd-and-args)
1206               (progn
1207                 (flymake-log 0 "init function %s for %s failed, cleaning up" init-f source-file-name)
1208                 (funcall cleanup-f buffer))
1209             (progn
1210               (setq flymake-last-change-time nil)
1211               (flymake-start-syntax-check-process buffer cmd args dir))))))))
1212
1213 (defun flymake-start-syntax-check-process (buffer cmd args dir)
1214   "Start syntax check process."
1215   (let* ((process nil))
1216     (condition-case err
1217         (progn
1218           (when dir
1219             (let ((default-directory dir))
1220               (flymake-log 3 "starting process on dir %s" default-directory)))
1221           (setq process (get-process (apply 'start-process "flymake-proc" nil cmd args)))
1222           (set-process-sentinel process 'flymake-process-sentinel)
1223           (set-process-filter process 'flymake-process-filter)
1224
1225           (flymake-reg-names (process-id process) (buffer-name buffer))
1226
1227           (with-current-buffer buffer
1228             (setq flymake-is-running t)
1229             (setq flymake-last-change-time nil)
1230             (setq flymake-check-start-time (flymake-float-time)))
1231
1232           (flymake-report-status buffer nil "*")
1233           (flymake-log 2 "started process %d, command=%s, dir=%s"
1234                        (process-id process) (process-command process) default-directory)
1235           process)
1236       (error
1237        (let* ((err-str (format "Failed to launch syntax check process '%s' with args %s: %s"
1238                                cmd args (error-message-string err)))
1239               (source-file-name (buffer-file-name buffer))
1240               (cleanup-f        (flymake-get-cleanup-function source-file-name)))
1241          (flymake-log 0 err-str)
1242          (funcall cleanup-f buffer)
1243          (flymake-report-fatal-status buffer "PROCERR" err-str))))))
1244
1245 (defun flymake-kill-process (pid &optional rest)
1246   "Kill process PID."
1247   (signal-process pid 9)
1248   (let* ((buffer-name (flymake-get-source-buffer-name pid)))
1249     (when (and buffer-name (get-buffer buffer-name))
1250       (with-current-buffer (get-buffer buffer-name)
1251         (setq flymake-check-was-interrupted t))))
1252   (flymake-log 1 "killed process %d" pid))
1253
1254 (defun flymake-stop-all-syntax-checks ()
1255   "Kill all syntax check processes."
1256   (interactive)
1257   (let ((pids  (copy-hash-table flymake-pid-to-names)))
1258     (maphash 'flymake-kill-process pids)))
1259
1260 (defun flymake-compilation-is-running ()
1261   (and (boundp 'compilation-in-progress)
1262        compilation-in-progress))
1263
1264 (defun flymake-compile ()
1265   "Kill all flymake syntax checks, start compilation."
1266   (interactive)
1267   (flymake-stop-all-syntax-checks)
1268   (call-interactively 'compile))
1269
1270 (defvar flymake-is-running nil
1271   "If t, flymake syntax check process is running for the current buffer.")
1272
1273 (make-variable-buffer-local 'flymake-is-running)
1274
1275 (defvar flymake-timer nil
1276   "Timer for starting syntax check.")
1277
1278 (make-variable-buffer-local 'flymake-timer)
1279
1280 (defvar flymake-last-change-time nil
1281   "Time of last buffer change.")
1282
1283 (make-variable-buffer-local 'flymake-last-change-time)
1284
1285 (defvar flymake-check-start-time nil
1286   "Time at which syntax check was started.")
1287
1288 (make-variable-buffer-local 'flymake-check-start-time)
1289
1290 (defvar flymake-check-was-interrupted nil
1291   "Non-nil if syntax check was killed by `flymake-compile'.")
1292
1293 (make-variable-buffer-local 'flymake-check-was-interrupted)
1294
1295 (defcustom flymake-no-changes-timeout 0.5
1296   "Time to wait after last change before starting compilation."
1297   :group 'flymake
1298   :type 'number)
1299
1300 (defun flymake-on-timer-event (buffer)
1301   "Start a syntax check for buffer BUFFER if necessary."
1302   (when (bufferp buffer)
1303     (with-current-buffer buffer
1304       (when (and (not flymake-is-running)
1305                  flymake-last-change-time
1306                  (> (flymake-float-time) (+ flymake-no-changes-timeout flymake-last-change-time)))
1307
1308         (setq flymake-last-change-time nil)
1309         (flymake-log 3 "starting syntax check as more than 1 second passed since last change")
1310         (flymake-start-syntax-check buffer)))))
1311
1312 (defun flymake-start-syntax-check-for-current-buffer ()
1313   "Run `flymake-start-syntax-check' for current buffer if it isn't already running."
1314   (interactive)
1315   (flymake-start-syntax-check (current-buffer)))
1316
1317 (defun flymake-current-line-no ()
1318   "Return number of current line in current buffer."
1319   (interactive)
1320   (let ((beg  (point-min))
1321         (end  (if (= (point) (point-max)) (point) (1+ (point)))))
1322     (count-lines beg end)))
1323
1324 (defun flymake-count-lines (buffer)
1325   "Return number of lines in buffer BUFFER."
1326   (with-current-buffer buffer
1327     (count-lines (point-min) (point-max))))
1328
1329 (defun flymake-get-point-pixel-pos ()
1330   "Return point position in pixels: (x, y)."
1331   (let ((mouse-pos  (mouse-position))
1332         (pixel-pos  nil)
1333         (ret        nil))
1334     (if (car (cdr mouse-pos))
1335         (progn
1336           (set-mouse-position (flymake-selected-frame) (current-column) (flymake-current-row))
1337           (setq pixel-pos (mouse-pixel-position))
1338           (set-mouse-position (car mouse-pos) (car (cdr mouse-pos)) (cdr (cdr mouse-pos)))
1339           (setq ret (list (car (cdr pixel-pos)) (cdr (cdr pixel-pos)))))
1340       (progn
1341         (setq ret '(0 0))))
1342     (flymake-log 3 "mouse pos is %s" ret)
1343     ret))
1344
1345 (defun flymake-display-err-menu-for-current-line ()
1346   "Display a menu with errors/warnings for current line if it has errors and/or warnings."
1347   (interactive)
1348   (let* ((line-no             (flymake-current-line-no))
1349          (line-err-info-list  (nth 0 (flymake-find-err-info flymake-err-info line-no)))
1350          (menu-data           (flymake-make-err-menu-data line-no line-err-info-list))
1351          (choice              nil)
1352          (mouse-pos           (flymake-get-point-pixel-pos))
1353          (menu-pos            (list (flymake-get-point-pixel-pos) (selected-window))))
1354     (if menu-data
1355         (progn
1356           (setq choice (flymake-popup-menu menu-pos menu-data))
1357           (flymake-log 3 "choice=%s" choice)
1358           (when choice
1359             (eval choice)))
1360       (flymake-log 1 "no errors for line %d" line-no))))
1361
1362 (defun flymake-make-err-menu-data (line-no line-err-info-list)
1363   "Make a (menu-title (item-title item-action)*) list with errors/warnings from LINE-ERR-INFO-LIST."
1364   (let* ((menu-items  nil))
1365     (when line-err-info-list
1366       (let* ((count           (length line-err-info-list))
1367              (menu-item-text  nil))
1368         (while (> count 0)
1369           (setq menu-item-text (flymake-ler-get-text (nth (1- count) line-err-info-list)))
1370           (let* ((file       (flymake-ler-get-file (nth (1- count) line-err-info-list)))
1371                  (full-file  (flymake-ler-get-full-file (nth (1- count) line-err-info-list)))
1372                  (line       (flymake-ler-get-line (nth (1- count) line-err-info-list))))
1373             (if file
1374                 (setq menu-item-text (concat menu-item-text " - " file "(" (format "%d" line) ")")))
1375             (setq menu-items (cons (list menu-item-text
1376                                          (if file (list 'flymake-goto-file-and-line full-file line) nil))
1377                                    menu-items)))
1378           (setq count (1- count)))
1379         (flymake-log 3 "created menu-items with %d item(s)" (length menu-items))))
1380     (if menu-items
1381         (let* ((menu-title  (format "Line %d: %d error(s), %d warning(s)" line-no
1382                                     (flymake-get-line-err-count line-err-info-list "e")
1383                                     (flymake-get-line-err-count line-err-info-list "w"))))
1384           (list menu-title menu-items))
1385       nil)))
1386
1387 (defun flymake-goto-file-and-line (file line)
1388   "Try to get buffer for FILE and goto line LINE in it."
1389   (if (not (file-exists-p file))
1390       (flymake-log 1 "file %s does not exists" file)
1391     (progn
1392       (find-file file)
1393       (goto-line line))))
1394
1395 ;; flymake minor mode declarations
1396 (defvar flymake-mode-line nil)
1397
1398 (make-variable-buffer-local 'flymake-mode-line)
1399
1400 (defvar flymake-mode-line-e-w nil)
1401
1402 (make-variable-buffer-local 'flymake-mode-line-e-w)
1403
1404 (defvar flymake-mode-line-status nil)
1405
1406 (make-variable-buffer-local 'flymake-mode-line-status)
1407
1408 (defun flymake-report-status (buffer e-w &optional status)
1409   "Show status in mode line."
1410   (when (bufferp buffer)
1411     (with-current-buffer buffer
1412       (when e-w
1413         (setq flymake-mode-line-e-w e-w))
1414       (when status
1415         (setq flymake-mode-line-status status))
1416       (let* ((mode-line " Flymake"))
1417         (when (> (length flymake-mode-line-e-w) 0)
1418           (setq mode-line (concat mode-line ":" flymake-mode-line-e-w)))
1419         (setq mode-line (concat mode-line flymake-mode-line-status))
1420         (setq flymake-mode-line mode-line)
1421         (force-mode-line-update)))))
1422
1423 (defun flymake-display-warning (warning)
1424   "Display a warning to user."
1425   (message-box warning))
1426
1427 (defcustom flymake-gui-warnings-enabled t
1428   "Enables/disables GUI warnings."
1429   :group 'flymake
1430   :type 'boolean)
1431
1432 (defun flymake-report-fatal-status (buffer status warning)
1433   "Display a warning and switch flymake mode off."
1434   (when flymake-gui-warnings-enabled
1435     (flymake-display-warning (format "Flymake: %s. Flymake will be switched OFF" warning))
1436     )
1437   (with-current-buffer buffer
1438     (flymake-mode 0)
1439     (flymake-log 0 "switched OFF Flymake mode for buffer %s due to fatal status %s, warning %s"
1440                  (buffer-name buffer) status warning)))
1441
1442 (defcustom flymake-start-syntax-check-on-find-file t
1443   "Start syntax check on find file."
1444   :group 'flymake
1445   :type 'boolean)
1446
1447 ;;;###autoload
1448 (define-minor-mode flymake-mode
1449   "Minor mode to do on-the-fly syntax checking.
1450 When called interactively, toggles the minor mode.
1451 With arg, turn Flymake mode on if and only if arg is positive."
1452   :group 'flymake :lighter flymake-mode-line
1453   (cond
1454
1455    ;; Turning the mode ON.
1456    (flymake-mode
1457     (if (not (flymake-can-syntax-check-file buffer-file-name))
1458         (flymake-log 2 "flymake cannot check syntax in buffer %s" (buffer-name))
1459       (add-hook 'after-change-functions 'flymake-after-change-function nil t)
1460       (add-hook 'after-save-hook 'flymake-after-save-hook nil t)
1461       (add-hook 'kill-buffer-hook 'flymake-kill-buffer-hook nil t)
1462       ;;+(add-hook 'find-file-hook 'flymake-find-file-hook)
1463
1464       (flymake-report-status (current-buffer) "" "")
1465
1466       (setq flymake-timer
1467             (run-at-time nil 1 'flymake-on-timer-event (current-buffer)))
1468
1469       (when flymake-start-syntax-check-on-find-file
1470         (flymake-start-syntax-check-for-current-buffer))))
1471
1472    ;; Turning the mode OFF.
1473    (t
1474     (remove-hook 'after-change-functions 'flymake-after-change-function t)
1475     (remove-hook 'after-save-hook 'flymake-after-save-hook t)
1476     (remove-hook 'kill-buffer-hook 'flymake-kill-buffer-hook t)
1477     ;;+(remove-hook 'find-file-hook (function flymake-find-file-hook) t)
1478
1479     (flymake-delete-own-overlays (current-buffer))
1480
1481     (when flymake-timer
1482       (cancel-timer flymake-timer)
1483       (setq flymake-timer nil))
1484
1485     (setq flymake-is-running nil))))
1486
1487 ;;;###autoload
1488 (defun flymake-mode-on ()
1489   "Turn flymake mode on."
1490   (flymake-mode 1)
1491   (flymake-log 1 "flymake mode turned ON for buffer %s" (buffer-name)))
1492
1493 ;;;###autoload
1494 (defun flymake-mode-off ()
1495   "Turn flymake mode off."
1496   (flymake-mode 0)
1497   (flymake-log 1 "flymake mode turned OFF for buffer %s" (buffer-name)))
1498
1499 (defcustom flymake-start-syntax-check-on-newline t
1500   "Start syntax check if newline char was added/removed from the buffer."
1501   :group 'flymake
1502   :type 'boolean)
1503
1504 (defun flymake-after-change-function (start stop len)
1505   "Start syntax check for current buffer if it isn't already running."
1506   ;;+(flymake-log 0 "setting change time to %s" (flymake-float-time))
1507   (let((new-text (buffer-substring start stop)))
1508     (when (and flymake-start-syntax-check-on-newline (equal new-text "\n"))
1509       (flymake-log 3 "starting syntax check as new-line has been seen")
1510       (flymake-start-syntax-check-for-current-buffer))
1511     (setq flymake-last-change-time (flymake-float-time))))
1512
1513 (defun flymake-after-save-hook ()
1514   (if (local-variable-p 'flymake-mode (current-buffer)) ; (???) other way to determine whether flymake is active in buffer being saved?
1515       (progn
1516         (flymake-log 3 "starting syntax check as buffer was saved")
1517         (flymake-start-syntax-check-for-current-buffer)))) ; no more mode 3. cannot start check if mode 3 (to temp copies) is active - (???)
1518
1519 (defun flymake-kill-buffer-hook ()
1520   (when flymake-timer
1521     (cancel-timer flymake-timer)
1522     (setq flymake-timer nil)))
1523
1524 (defun flymake-find-file-hook ()
1525   ;;+(when flymake-start-syntax-check-on-find-file
1526   ;;+    (flymake-log 3 "starting syntax check on file open")
1527   ;;+    (flymake-start-syntax-check-for-current-buffer)
1528   ;;+)
1529   (when (and (not (local-variable-p 'flymake-mode (current-buffer)))
1530              (flymake-can-syntax-check-file buffer-file-name))
1531     (flymake-mode)
1532     (flymake-log 3 "automatically turned ON flymake mode")))
1533
1534 (defun flymake-get-first-err-line-no (err-info-list)
1535   "Return first line with error."
1536   (when err-info-list
1537     (flymake-er-get-line (car err-info-list))))
1538
1539 (defun flymake-get-last-err-line-no (err-info-list)
1540   "Return last line with error."
1541   (when err-info-list
1542     (flymake-er-get-line (nth (1- (length err-info-list)) err-info-list))))
1543
1544 (defun flymake-get-next-err-line-no (err-info-list line-no)
1545   "Return next line with error."
1546   (when err-info-list
1547     (let* ((count  (length err-info-list))
1548            (idx    0))
1549       (while (and (< idx count) (>= line-no (flymake-er-get-line (nth idx err-info-list))))
1550         (setq idx (1+ idx)))
1551       (if (< idx count)
1552           (flymake-er-get-line (nth idx err-info-list))))))
1553
1554 (defun flymake-get-prev-err-line-no (err-info-list line-no)
1555   "Return previous line with error."
1556   (when err-info-list
1557     (let* ((count (length err-info-list)))
1558       (while (and (> count 0) (<= line-no (flymake-er-get-line (nth (1- count) err-info-list))))
1559         (setq count (1- count)))
1560       (if (> count 0)
1561           (flymake-er-get-line (nth (1- count) err-info-list))))))
1562
1563 (defun flymake-skip-whitespace ()
1564   "Move forward until non-whitespace is reached."
1565   (while (looking-at "[ \t]")
1566     (forward-char)))
1567
1568 (defun flymake-goto-line (line-no)
1569   "Go to line LINE-NO, then skip whitespace."
1570   (goto-line line-no)
1571   (flymake-skip-whitespace))
1572
1573 (defun flymake-goto-next-error ()
1574   "Go to next error in err ring."
1575   (interactive)
1576   (let ((line-no (flymake-get-next-err-line-no flymake-err-info (flymake-current-line-no))))
1577     (when (not line-no)
1578       (setq line-no (flymake-get-first-err-line-no flymake-err-info))
1579       (flymake-log 1 "passed end of file"))
1580     (if line-no
1581         (flymake-goto-line line-no)
1582       (flymake-log 1 "no errors in current buffer"))))
1583
1584 (defun flymake-goto-prev-error ()
1585   "Go to previous error in err ring."
1586   (interactive)
1587   (let ((line-no (flymake-get-prev-err-line-no flymake-err-info (flymake-current-line-no))))
1588     (when (not line-no)
1589       (setq line-no (flymake-get-last-err-line-no flymake-err-info))
1590       (flymake-log 1 "passed beginning of file"))
1591     (if line-no
1592         (flymake-goto-line line-no)
1593       (flymake-log 1 "no errors in current buffer"))))
1594
1595 (defun flymake-patch-err-text (string)
1596   (if (string-match "^[\n\t :0-9]*\\(.*\\)$" string)
1597       (match-string 1 string)
1598     string))
1599
1600 ;;;; general init-cleanup and helper routines
1601 (defun flymake-create-temp-inplace (file-name prefix)
1602   (unless (stringp file-name)
1603     (error "Invalid file-name"))
1604   (or prefix
1605       (setq prefix "flymake"))
1606   (let* ((temp-name   (concat (file-name-sans-extension file-name)
1607                               "_" prefix
1608                               (and (file-name-extension file-name)
1609                                    (concat "." (file-name-extension file-name))))))
1610     (flymake-log 3 "create-temp-inplace: file=%s temp=%s" file-name temp-name)
1611     temp-name))
1612
1613 (defun flymake-create-temp-with-folder-structure (file-name prefix)
1614   (unless (stringp file-name)
1615     (error "Invalid file-name"))
1616
1617   (let* ((dir       (file-name-directory file-name))
1618          (slash-pos (string-match "/" dir))
1619          (temp-dir  (concat (file-name-as-directory (flymake-get-temp-dir)) (substring dir (1+ slash-pos)))))
1620
1621     (file-truename (concat (file-name-as-directory temp-dir)
1622                            (file-name-nondirectory file-name)))))
1623
1624 (defun flymake-strrchr (str ch)
1625   (let* ((count  (length str))
1626          (pos    nil))
1627     (while (and (not pos) (> count 0))
1628       (if (= ch (elt str (1- count)))
1629           (setq pos (1- count)))
1630       (setq count (1- count)))
1631     pos))
1632
1633 (defun flymake-delete-temp-directory (dir-name)
1634   "Attempt to delete temp dir created by `flymake-create-temp-with-folder-structure', do not fail on error."
1635   (let* ((temp-dir    (flymake-get-temp-dir))
1636          (suffix      (substring dir-name (1+ (length temp-dir))))
1637          (slash-pos   nil))
1638
1639     (while (> (length suffix) 0)
1640       ;;+(flymake-log 0 "suffix=%s" suffix)
1641       (flymake-safe-delete-directory (file-truename (concat (file-name-as-directory temp-dir) suffix)))
1642       (setq slash-pos (flymake-strrchr suffix (string-to-char "/")))
1643       (if slash-pos
1644           (setq suffix (substring suffix 0 slash-pos))
1645         (setq suffix "")))))
1646
1647 (defun flymake-init-create-temp-buffer-copy (buffer create-temp-f)
1648   "Make a temporary copy of the current buffer, save its name in buffer data and return the name."
1649   (let*  ((source-file-name       (buffer-file-name buffer))
1650           (temp-source-file-name  (funcall create-temp-f source-file-name "flymake")))
1651
1652     (flymake-save-buffer-in-file buffer temp-source-file-name)
1653     (flymake-set-buffer-value buffer "temp-source-file-name" temp-source-file-name)
1654     temp-source-file-name))
1655
1656 (defun flymake-simple-cleanup (buffer)
1657   "Do cleanup after `flymake-init-create-temp-buffer-copy'.
1658 Delete temp file."
1659   (let* ((temp-source-file-name (flymake-get-buffer-value buffer "temp-source-file-name")))
1660     (flymake-safe-delete-file temp-source-file-name)
1661     (with-current-buffer buffer
1662       (setq flymake-last-change-time nil))))
1663
1664 (defun flymake-get-real-file-name (buffer file-name-from-err-msg)
1665   "Translate file name from error message to \"real\" file name.
1666 Return full-name.  Names are real, not patched."
1667   (let* ((real-name              nil)
1668          (source-file-name       (buffer-file-name buffer))
1669          (master-file-name       (flymake-get-buffer-value buffer "master-file-name"))
1670          (temp-source-file-name  (flymake-get-buffer-value buffer "temp-source-file-name"))
1671          (temp-master-file-name  (flymake-get-buffer-value buffer "temp-master-file-name"))
1672          (base-dirs              (list (flymake-get-buffer-value buffer "base-dir")
1673                                        (file-name-directory source-file-name)
1674                                        (if master-file-name (file-name-directory master-file-name) nil)))
1675          (files                  (list (list source-file-name       source-file-name)
1676                                        (list temp-source-file-name  source-file-name)
1677                                        (list master-file-name       master-file-name)
1678                                        (list temp-master-file-name  master-file-name))))
1679
1680     (when (equal 0 (length file-name-from-err-msg))
1681       (setq file-name-from-err-msg source-file-name))
1682
1683     (setq real-name (flymake-get-full-patched-file-name file-name-from-err-msg base-dirs files))
1684     ;; if real-name is nil, than file name from err msg is none of the files we've patched
1685     (if (not real-name)
1686         (setq real-name (flymake-get-full-nonpatched-file-name file-name-from-err-msg base-dirs)))
1687     (if (not real-name)
1688         (setq real-name file-name-from-err-msg))
1689     (setq real-name (flymake-fix-file-name real-name))
1690     (flymake-log 3 "get-real-file-name: file-name=%s real-name=%s" file-name-from-err-msg real-name)
1691     real-name))
1692
1693 (defun flymake-get-full-patched-file-name (file-name-from-err-msg base-dirs files)
1694   (let* ((base-dirs-count  (length base-dirs))
1695          (file-count       (length files))
1696          (real-name        nil))
1697
1698     (while (and (not real-name) (> base-dirs-count 0))
1699       (setq file-count (length files))
1700       (while (and (not real-name) (> file-count 0))
1701         (let* ((this-dir        (nth (1- base-dirs-count) base-dirs))
1702                (this-file       (nth 0 (nth (1- file-count) files)))
1703                (this-real-name  (nth 1 (nth (1- file-count) files))))
1704           ;;+(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)
1705           (when (and this-dir this-file (flymake-same-files
1706                                          (expand-file-name file-name-from-err-msg this-dir)
1707                                          this-file))
1708             (setq real-name this-real-name)))
1709         (setq file-count (1- file-count)))
1710       (setq base-dirs-count (1- base-dirs-count)))
1711     real-name))
1712
1713 (defun flymake-get-full-nonpatched-file-name (file-name-from-err-msg base-dirs)
1714   (let* ((real-name  nil))
1715     (if (file-name-absolute-p file-name-from-err-msg)
1716         (setq real-name file-name-from-err-msg)
1717       (let* ((base-dirs-count  (length base-dirs)))
1718         (while (and (not real-name) (> base-dirs-count 0))
1719           (let* ((full-name (expand-file-name file-name-from-err-msg
1720                                               (nth (1- base-dirs-count) base-dirs))))
1721             (if (file-exists-p full-name)
1722                 (setq real-name full-name))
1723             (setq base-dirs-count (1- base-dirs-count))))))
1724     real-name))
1725
1726 (defun flymake-init-find-buildfile-dir (buffer source-file-name buildfile-name)
1727   "Find buildfile, store its dir in buffer data and return its dir, if found."
1728   (let* ((buildfile-dir  (flymake-find-buildfile buildfile-name
1729                                                  (file-name-directory source-file-name)
1730                                                  flymake-buildfile-dirs)))
1731     (if (not buildfile-dir)
1732         (progn
1733           (flymake-log 1 "no buildfile (%s) for %s" buildfile-name source-file-name)
1734           (flymake-report-fatal-status buffer "NOMK" (format "No buildfile (%s) found for %s" buildfile-name source-file-name))
1735           )
1736       (progn
1737         (flymake-set-buffer-value buffer "base-dir" buildfile-dir)))
1738     buildfile-dir))
1739
1740 (defun flymake-init-create-temp-source-and-master-buffer-copy (buffer get-incl-dirs-f create-temp-f master-file-masks include-regexp-list)
1741   "Find master file (or buffer), create it's copy along with a copy of the source file."
1742   (let* ((source-file-name       (buffer-file-name buffer))
1743          (temp-source-file-name  (flymake-init-create-temp-buffer-copy buffer create-temp-f))
1744          (master-file-name       nil)
1745          (temp-master-file-name  nil)
1746          (master-and-temp-master (flymake-create-master-file
1747                                   source-file-name temp-source-file-name
1748                                   get-incl-dirs-f create-temp-f
1749                                   master-file-masks include-regexp-list)))
1750
1751     (if (not master-and-temp-master)
1752         (progn
1753           (flymake-log 1 "cannot find master file for %s" source-file-name)
1754           (flymake-report-status buffer "!" "") ; NOMASTER
1755           )
1756       (progn
1757         (setq master-file-name       (nth 0 master-and-temp-master))
1758         (setq temp-master-file-name  (nth 1 master-and-temp-master))
1759         (flymake-set-buffer-value buffer "master-file-name"      master-file-name)
1760         (flymake-set-buffer-value buffer "temp-master-file-name" temp-master-file-name)
1761         ))
1762     temp-master-file-name))
1763
1764 (defun flymake-master-cleanup (buffer)
1765   (flymake-simple-cleanup buffer)
1766   (flymake-safe-delete-file (flymake-get-buffer-value buffer "temp-master-file-name")))
1767
1768 ;;;; make-specific init-cleanup routines
1769 (defun flymake-get-syntax-check-program-args (source-file-name base-dir use-relative-base-dir use-relative-source get-cmd-line-f)
1770   "Create a command line for syntax check using GET-CMD-LINE-F."
1771   (let* ((my-base-dir  base-dir)
1772          (my-source    source-file-name))
1773
1774     (when use-relative-base-dir
1775       (setq my-base-dir (flymake-build-relative-filename (file-name-directory source-file-name) base-dir)))
1776
1777     (when use-relative-source
1778       (setq my-source (concat (flymake-build-relative-filename base-dir (file-name-directory source-file-name))
1779                               (file-name-nondirectory source-file-name))))
1780     (funcall get-cmd-line-f my-source my-base-dir)))
1781
1782 (defun flymake-get-make-cmdline (source base-dir)
1783   (list "make"
1784         (list "-s"
1785               "-C"
1786               base-dir
1787               (concat "CHK_SOURCES=" source)
1788               "SYNTAX_CHECK_MODE=1"
1789               "check-syntax")))
1790
1791 (defun flymake-get-ant-cmdline (source base-dir)
1792   (list "ant"
1793         (list "-buildfile"
1794               (concat base-dir "/" "build.xml")
1795               (concat "-DCHK_SOURCES=" source)
1796               "check-syntax")))
1797
1798 (defun flymake-simple-make-init-impl (buffer create-temp-f use-relative-base-dir use-relative-source build-file-name get-cmdline-f)
1799   "Create syntax check command line for a directly checked source file.
1800 Use CREATE-TEMP-F for creating temp copy."
1801   (let* ((args nil)
1802          (source-file-name   (buffer-file-name buffer))
1803          (buildfile-dir      (flymake-init-find-buildfile-dir buffer source-file-name build-file-name)))
1804     (if buildfile-dir
1805         (let* ((temp-source-file-name  (flymake-init-create-temp-buffer-copy buffer create-temp-f)))
1806           (setq args (flymake-get-syntax-check-program-args temp-source-file-name buildfile-dir
1807                                                             use-relative-base-dir use-relative-source
1808                                                             get-cmdline-f))))
1809     args))
1810
1811 (defun flymake-simple-make-init (buffer)
1812   (flymake-simple-make-init-impl buffer 'flymake-create-temp-inplace t t "Makefile" 'flymake-get-make-cmdline))
1813
1814 (defun flymake-master-make-init (buffer get-incl-dirs-f master-file-masks include-regexp-list)
1815   "Create make command line for a source file checked via master file compilation."
1816   (let* ((make-args nil)
1817          (temp-master-file-name (flymake-init-create-temp-source-and-master-buffer-copy
1818                                  buffer get-incl-dirs-f 'flymake-create-temp-inplace
1819                                  master-file-masks include-regexp-list)))
1820     (when temp-master-file-name
1821       (let* ((buildfile-dir (flymake-init-find-buildfile-dir buffer temp-master-file-name "Makefile")))
1822         (if  buildfile-dir
1823             (setq make-args (flymake-get-syntax-check-program-args
1824                              temp-master-file-name buildfile-dir nil nil 'flymake-get-make-cmdline)))))
1825     make-args))
1826
1827 (defun flymake-find-make-buildfile (source-dir)
1828   (flymake-find-buildfile "Makefile" source-dir flymake-buildfile-dirs))
1829
1830 ;;;; .h/make specific
1831 (defun flymake-master-make-header-init (buffer)
1832   (flymake-master-make-init buffer
1833                             'flymake-get-include-dirs
1834                             '(".+\\.cpp$" ".+\\.c$")
1835                             '("[ \t]*#[ \t]*include[ \t]*\"\\([\w0-9/\\_\.]*[/\\]*\\)\\(%s\\)\"" 1 2)))
1836
1837 ;;;; .java/make specific
1838 (defun flymake-simple-make-java-init (buffer)
1839   (flymake-simple-make-init-impl buffer 'flymake-create-temp-with-folder-structure nil nil "Makefile" 'flymake-get-make-cmdline))
1840
1841 (defun flymake-simple-ant-java-init (buffer)
1842   (flymake-simple-make-init-impl buffer 'flymake-create-temp-with-folder-structure nil nil "build.xml" 'flymake-get-ant-cmdline))
1843
1844 (defun flymake-simple-java-cleanup (buffer)
1845   "Cleanup after `flymake-simple-make-java-init' -- delete temp file and dirs."
1846   (let* ((temp-source-file-name (flymake-get-buffer-value buffer "temp-source-file-name")))
1847     (flymake-safe-delete-file temp-source-file-name)
1848     (when temp-source-file-name
1849       (flymake-delete-temp-directory (file-name-directory temp-source-file-name)))))
1850
1851 ;;;; perl-specific init-cleanup routines
1852 (defun flymake-perl-init (buffer)
1853   (let* ((temp-file   (flymake-init-create-temp-buffer-copy
1854                        buffer 'flymake-create-temp-inplace))
1855          (local-file  (concat (flymake-build-relative-filename
1856                                (file-name-directory buffer-file-name)
1857                                (file-name-directory temp-file))
1858                               (file-name-nondirectory temp-file))))
1859     (list "perl" (list "-wc " local-file))))
1860
1861 ;;;; tex-specific init-cleanup routines
1862 (defun flymake-get-tex-args (file-name)
1863   ;;(list "latex" (list "-c-style-errors" file-name))
1864   (list "texify" (list "--pdf" "--tex-option=-c-style-errors" file-name)))
1865
1866 (defun flymake-simple-tex-init (buffer)
1867   (flymake-get-tex-args (flymake-init-create-temp-buffer-copy buffer 'flymake-create-temp-inplace)))
1868
1869 (defun flymake-master-tex-init (buffer)
1870   (let* ((temp-master-file-name (flymake-init-create-temp-source-and-master-buffer-copy
1871                                  buffer 'flymake-get-include-dirs-dot 'flymake-create-temp-inplace
1872                                  '(".+\\.tex$")
1873                                  '("[ \t]*\\input[ \t]*{\\(.*\\)\\(%s\\)}" 1 2))))
1874     (when temp-master-file-name
1875       (flymake-get-tex-args temp-master-file-name))))
1876
1877 (defun flymake-get-include-dirs-dot (base-dir)
1878   '("."))
1879
1880 ;;;; xml-specific init-cleanup routines
1881 (defun flymake-xml-init (buffer)
1882   (list "xml" (list "val" (flymake-init-create-temp-buffer-copy buffer 'flymake-create-temp-inplace))))
1883
1884 (provide 'flymake)
1885
1886 ;; arch-tag: 8f0d6090-061d-4cac-8862-7c151c4a02dd
1887 ;;; flymake.el ends here