1 ;;; compile.el --- run compiler as inferior of Emacs, parse error messages.
3 ;; Copyright (C) 1985, 86, 87, 93, 94, 95, 96, 97, 1998 Free Software Foundation, Inc.
5 ;; Author: Roland McGrath <roland@prep.ai.mit.edu>
7 ;; Keywords: tools, processes
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
28 ;; This package provides the compile and grep facilities documented in
29 ;; the Emacs user's manual.
33 (defgroup compilation nil
34 "Run compiler as inferior of Emacs, parse error messages."
40 (defcustom compilation-mode-hook nil
41 "*List of hook functions run by `compilation-mode' (see `run-hooks')."
46 (defcustom compilation-window-height nil
47 "*Number of lines in a compilation window. If nil, use Emacs default."
48 :type
'(choice (const :tag
"Default" nil
)
52 (defvar compile-auto-highlight nil
53 "*Specify how many compiler errors to highlight (and parse) initially.
54 \(Highlighting applies to an error message when the mouse is over it.)
55 If this is a number N, all compiler error messages in the first N lines
56 are highlighted and parsed as soon as they arrive in Emacs.
57 If t, highlight and parse the whole compilation output as soon as it arrives.
58 If nil, don't highlight or parse any of the buffer until you try to
59 move to the error messages.
61 Those messages which are not parsed and highlighted initially
62 will be parsed and highlighted as soon as you try to move to them.")
64 (defvar compilation-error-list nil
65 "List of error message descriptors for visiting erring functions.
66 Each error descriptor is a cons (or nil). Its car is a marker pointing to
67 an error message. If its cdr is a marker, it points to the text of the
68 line the message is about. If its cdr is a cons, it is a list
69 \(\(DIRECTORY . FILE\) LINE [COLUMN]\). Or its cdr may be nil if that
70 error is not interesting.
72 The value may be t instead of a list; this means that the buffer of
73 error messages should be reparsed the next time the list of errors is wanted.
75 Some other commands (like `diff') use this list to control the error
76 message tracking facilities; if you change its structure, you should make
77 sure you also change those packages. Perhaps it is better not to change
80 (defvar compilation-old-error-list nil
81 "Value of `compilation-error-list' after errors were parsed.")
83 (defvar compilation-parse-errors-function
'compilation-parse-errors
84 "Function to call to parse error messages from a compilation.
85 It takes args LIMIT-SEARCH and FIND-AT-LEAST.
86 If LIMIT-SEARCH is non-nil, don't bother parsing past that location.
87 If FIND-AT-LEAST is non-nil, don't bother parsing after finding that
89 It should read in the source files which have errors and set
90 `compilation-error-list' to a list with an element for each error message
91 found. See that variable for more info.")
94 (defvar compilation-process-setup-function nil
95 "*Function to call to customize the compilation process.
96 This functions is called immediately before the compilation process is
97 started. It can be used to set any variables or functions that are used
98 while processing the output of the compilation process.")
101 (defvar compilation-buffer-name-function nil
102 "Function to compute the name of a compilation buffer.
103 The function receives one argument, the name of the major mode of the
104 compilation buffer. It should return a string.
105 nil means compute the name with `(concat \"*\" (downcase major-mode) \"*\")'.")
108 (defvar compilation-finish-function nil
109 "Function to call when a compilation process finishes.
110 It is called with two arguments: the compilation buffer, and a string
111 describing how the process finished.")
114 (defvar compilation-finish-functions nil
115 "Functions to call when a compilation process finishes.
116 Each function is called with two arguments: the compilation buffer,
117 and a string describing how the process finished.")
119 (defvar compilation-last-buffer nil
120 "The most recent compilation buffer.
121 A buffer becomes most recent when its compilation is started
122 or when it is used with \\[next-error] or \\[compile-goto-error].")
124 (defvar compilation-in-progress nil
125 "List of compilation processes now running.")
126 (or (assq 'compilation-in-progress minor-mode-alist
)
127 (setq minor-mode-alist
(cons '(compilation-in-progress " Compiling")
130 (defvar compilation-parsing-end nil
131 "Position of end of buffer when last error messages were parsed.")
133 (defvar compilation-error-message
"No more errors"
134 "Message to print when no more matches are found.")
136 (defvar compilation-arguments nil
137 "Arguments that were given to `compile-internal'.")
139 (defvar compilation-num-errors-found
)
141 (defvar compilation-error-regexp-alist
143 ;; NOTE! See also grep-regexp-alist, below.
145 ;; 4.3BSD grep, cc, lint pass 1:
146 ;; /usr/src/foo/foo.c(8): warning: w may be used before set
148 ;; foo.c:8: error message
150 ;; foo.f :16 some horrible error message
151 ;; or GNU utilities with column (GNAT 1.82):
152 ;; foo.adb:2:1: Unit name does not match file name
153 ;; or with column and program name:
154 ;; jade:dbcommon.dsl:133:17:E: missing argument for function call
156 ;; We'll insist that the number be followed by a colon or closing
157 ;; paren, because otherwise this matches just about anything
158 ;; containing a number with spaces around it.
159 ("\\([-a-zA-Z._]+: ?\\)?\\([a-zA-Z]?:?[^:( \t\n]+\\)[:(][ \t]*\\([0-9]+\\)\
160 \\([) \t]\\|:\\([^0-9\n]\\|\\([0-9]+:\\)\\)\\)" 2 3 6)
163 ;; keyboard.c(537) : warning C4005: 'min' : macro redefinition
164 ;; d:\tmp\test.c(23) : error C2143: syntax error : missing ';' before 'if'
165 ;; This used to be less selective and allow characters other than
166 ;; parens around the line number, but that caused confusion for
167 ;; GNU-style error messages.
168 ;; This used to reject spaces and dashes in file names,
169 ;; but they are valudnow; so I made it more strict about the error
170 ;; message that follows.
171 ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\)) \
172 : \\(error\\|warning\\) C[0-9]+:" 1 3)
175 ;; Error ping.c 15: Unable to open include file 'sys/types.h'
176 ;; Warning ping.c 68: Call to function 'func' with no prototype
177 ("\\(Error\\|Warning\\) \\([a-zA-Z]?:?[^:( \t\n]+\\)\
178 \\([0-9]+\\)\\([) \t]\\|:[^0-9\n]\\)" 2 3)
180 ;; 4.3BSD lint pass 2
181 ;; strcmp: variable # of args. llib-lc(359) :: /usr/src/foo/foo.c(8)
182 (".*[ \t:]\\([a-zA-Z]?:?[^:( \t\n]+\\)[:(](+[ \t]*\\([0-9]+\\))[:) \t]*$"
185 ;; 4.3BSD lint pass 3
186 ;; bloofle defined( /users/wolfgang/foo.c(4) ), but never used
188 ;; ("[ \t(]+\\([a-zA-Z]?:?[^:( \t\n]+\\)[:( \t]+\\([0-9]+\\)[:) \t]+" 1 2)
189 ;; which is regexp Impressionism - it matches almost anything!
190 (".*([ \t]*\\([a-zA-Z]?:?[^:( \t\n]+\\)[:(][ \t]*\\([0-9]+\\))" 1 2)
192 ;; MIPS lint pass<n>; looks good for SunPro lint also
193 ;; TrimMask (255) in solomon.c may be indistinguishable from TrimMasks (93) in solomon.c due to truncation
194 ("[^\n ]+ (\\([0-9]+\\)) in \\([^ \n]+\\)" 2 1)
195 ;; name defined but never used: LinInt in cmap_calc.c(199)
196 (".*in \\([^(\n]+\\)(\\([0-9]+\\))$" 1 2)
199 ;; fort: Severe: addstf.f, line 82: Missing operator or delimiter symbol
200 ;; Some SGI cc version:
201 ;; cfe: Warning 835: foo.c, line 2: something
202 ("\\(cfe\\|fort\\): [^:\n]*: \\([^ \n]*\\), line \\([0-9]+\\):" 2 3)
203 ;; Error on line 3 of t.f: Execution error unclassifiable statement
204 ;; Unknown who does this:
205 ;; Line 45 of "foo.c": bloofle undefined
206 ;; Absoft FORTRAN 77 Compiler 3.1.3
207 ;; error on line 19 of fplot.f: spelling error?
208 ;; warning on line 17 of fplot.f: data type is undefined for variable d
209 ("\\(.* on \\)?[Ll]ine[ \t]+\\([0-9]+\\)[ \t]+\
210 of[ \t]+\"?\\([a-zA-Z]?:?[^\":\n]+\\)\"?:" 3 2)
212 ;; Apollo cc, 4.3BSD fc:
213 ;; "foo.f", line 3: Error: syntax error near end of statement
215 ;; "vvouch.c", line 19.5: 1506-046 (S) Syntax error.
217 ;; "foo.c", line 32 pos 1; (E) syntax error; unexpected symbol: "lossage"
218 ;; GNAT (as of July 94):
219 ;; "foo.adb", line 2(11): warning: file name does not match ...
220 ;; IBM AIX xlc compiler:
221 ;; "src/swapping.c", line 30.34: 1506-342 (W) "/*" detected in comment.
222 (".*\"\\([^,\" \n\t]+\\)\", lines? \
223 \\([0-9]+\\)\\([\(.]\\([0-9]+\\)\)?\\)?[:., (-]" 1 2 4)
226 ;; File "foobar.ml", lines 5-8, characters 20-155: blah blah
227 ("^File \"\\([^,\" \n\t]+\\)\", lines? \\([0-9]+\\)[-0-9]*, characters? \\([0-9]+\\)" 1 2 3)
229 ;; MIPS RISC CC - the one distributed with Ultrix:
230 ;; ccom: Error: foo.c, line 2: syntax error
232 ;; /usr/lib/cmplrs/cc/cfe: Error: foo.c: 1: blah blah
233 ("[a-z0-9/]+: \\([eE]rror\\|[wW]arning\\): \\([^,\" \n\t]+\\)[,:] \\(line \\)?\\([0-9]+\\):" 2 4)
235 ;; IBM AIX PS/2 C version 1.1:
236 ;; ****** Error number 140 in line 8 of file errors.c ******
237 (".*in line \\([0-9]+\\) of file \\([^ \n]+[^. \n]\\)\\.? " 2 1)
238 ;; IBM AIX lint is too painful to do right this way. File name
239 ;; prefixes entire sections rather than being on each line.
241 ;; SPARCcompiler Pascal:
242 ;; 20 linjer : array[1..4] of linje;
243 ;; e 18480-----------^--- Inserted ';'
245 ;; E 18520 line 61 - 0 is undefined
246 ;; These messages don't contain a file name. Instead the compiler gives
247 ;; a message whenever the file being compiled is changed.
248 (" +\\([0-9]+\\) +.*\n[ew] [0-9]+-+" nil
1)
249 ("[Ew] +[0-9]+ line \\([0-9]+\\) - " nil
1)
251 ;; Lucid Compiler, lcc 3.x
252 ;; E, file.cc(35,52) Illegal operation on pointers
253 ("[EW], \\([^(\n]*\\)(\\([0-9]+\\),[ \t]*\\([0-9]+\\)" 1 2 3)
255 ;;; This seems to be superfluous because the first pattern matches it.
256 ;;; ;; GNU messages with program name and optional column number.
257 ;;; ("[a-zA-Z]?:?[^0-9 \n\t:]+[^ \n\t:]*:[ \t]*\\([^ \n\t:]+\\):\
258 ;;;\\([0-9]+\\):\\(\\([0-9]+\\)[: \t]\\)?" 1 2 4)
260 ;; Cray C compiler error messages
261 ("\\(cc\\| cft\\)-[0-9]+ c\\(c\\|f77\\): ERROR \\([^,\n]+, \\)* File = \
262 \\([^,\n]+\\), Line = \\([0-9]+\\)" 4 5)
264 ;; IBM C/C++ Tools 2.01:
265 ;; foo.c(2:0) : informational EDC0804: Function foo is not referenced.
266 ;; foo.c(3:8) : warning EDC0833: Implicit return statement encountered.
267 ;; foo.c(5:5) : error EDC0350: Syntax error.
268 ("\\([^( \n\t]+\\)(\\([0-9]+\\):\\([0-9]+\\)) : " 1 2 3)
270 ;; IAR Systems C Compiler:
271 ;; "foo.c",3 Error[32]: Error message
272 ;; "foo.c",3 Warning[32]: Error message
273 ("\"\\(.*\\)\",\\([0-9]+\\)\\s-+\\(Error\\|Warning\\)\\[[0-9]+\\]:" 1 2)
275 ;; Sun ada (VADS, Solaris):
276 ;; /home3/xdhar/rcds_rc/main.a, line 361, char 6:syntax error: "," inserted
277 ("\\([^, \n\t]+\\), line \\([0-9]+\\), char \\([0-9]+\\)[:., \(-]" 1 2 3)
280 ;; syntax error at automake line 922, near "':'"
281 (".* at \\([^ ]+\\) line \\([0-9]+\\)," 1 2)
284 ;; Semantic error at line 528, column 5, file erosacqdb.pc:
285 ("Semantic error at line \\([0-9]+\\), column \\([0-9]+\\), file \\(.*\\):"
289 ;; Error 24 at (2:progran.f90) : syntax error
290 ("Error [0-9]+ at (\\([0-9]*\\):\\([^)\n]+\\))" 2 1)
292 ;; Sun F90 error messages:
293 ;; cf90-113 f90comp: ERROR NSE, File = Hoved.f90, Line = 16, Column = 3
294 (".* ERROR [a-zA-Z0-9 ]+, File = \\(.+\\), Line = \\([0-9]+\\), Column = \\([0-9]+\\)"
297 "Alist that specifies how to match errors in compiler output.
298 Each elt has the form (REGEXP FILE-IDX LINE-IDX [COLUMN-IDX FILE-FORMAT...])
299 If REGEXP matches, the FILE-IDX'th subexpression gives the file name, and
300 the LINE-IDX'th subexpression gives the line number. If COLUMN-IDX is
301 given, the COLUMN-IDX'th subexpression gives the column number on that line.
302 If any FILE-FORMAT is given, each is a format string to produce a file name to
303 try; %s in the string is replaced by the text matching the FILE-IDX'th
306 (defvar compilation-enter-directory-regexp-alist
308 ;; Matches lines printed by the `-w' option of GNU Make.
309 (".*: Entering directory `\\(.*\\)'$" 1)
311 "Alist specifying how to match lines that indicate a new current directory.
312 Note that the match is done at the beginning of lines.
313 Each elt has the form (REGEXP IDX).
314 If REGEXP matches, the IDX'th subexpression gives the directory name.
316 The default value matches lines printed by the `-w' option of GNU Make.")
318 (defvar compilation-leave-directory-regexp-alist
320 ;; Matches lines printed by the `-w' option of GNU Make.
321 (".*: Leaving directory `\\(.*\\)'$" 1)
323 "Alist specifying how to match lines that indicate restoring current directory.
324 Note that the match is done at the beginning of lines.
325 Each elt has the form (REGEXP IDX).
326 If REGEXP matches, the IDX'th subexpression gives the name of the directory
327 being moved from. If IDX is nil, the last directory entered \(by a line
328 matching `compilation-enter-directory-regexp-alist'\) is assumed.
330 The default value matches lines printed by the `-w' option of GNU Make.")
332 (defvar compilation-file-regexp-alist
334 ;; This matches entries with date time year file-name: like
335 ;; Thu May 14 10:46:12 1992 mom3.p:
336 ("\\w\\w\\w \\w\\w\\w +[0-9]+ [0-9][0-9]:[0-9][0-9]:[0-9][0-9] [0-9][0-9][0-9][0-9] \\(.*\\):$" 1)
338 "Alist specifying how to match lines that indicate a new current file.
339 Note that the match is done at the beginning of lines.
340 Each elt has the form (REGEXP IDX).
341 If REGEXP matches, the IDX'th subexpression gives the file name. This is
342 used with compilers that don't indicate file name in every error message.")
344 ;; There is no generally useful regexp that will match non messages, but
345 ;; in special cases there might be one. The lines that are not matched by
346 ;; a regexp take much longer time than the ones that are recognized so if
347 ;; you have same regexeps here, parsing is faster.
348 (defvar compilation-nomessage-regexp-alist
351 "Alist specifying how to match lines that have no message.
352 Note that the match is done at the beginning of lines.
353 Each elt has the form (REGEXP). This alist is by default empty, but if
354 you have some good regexps here, the parsing of messages will be faster.")
356 (defcustom compilation-error-screen-columns t
357 "*If non-nil, column numbers in error messages are screen columns.
358 Otherwise they are interpreted as character positions, with
359 each character occupying one column.
360 The default is to use screen columns, which requires that the compilation
361 program and Emacs agree about the display width of the characters,
362 especially the TAB character."
367 (defcustom compilation-read-command t
368 "*If not nil, M-x compile reads the compilation command to use.
369 Otherwise, M-x compile just uses the value of `compile-command'."
374 (defcustom compilation-ask-about-save t
375 "*If not nil, M-x compile asks which buffers to save before compiling.
376 Otherwise, it saves all modified buffers without asking."
380 (defvar grep-regexp-alist
381 '(("\\([a-zA-Z]?:?[^:( \t\n]+\\)[:( \t]+\\([0-9]+\\)[:) \t]" 1 2))
382 "Regexp used to match grep hits. See `compilation-error-regexp-alist'.")
385 ;; Currently zgrep has trouble. It runs egrep instead of grep,
386 ;; and it doesn't pass along long options right.
388 ;;; (if (equal (condition-case nil ; in case "zgrep" isn't in exec-path
389 ;;; (call-process "zgrep" nil nil nil
390 ;;; "foo" null-device)
395 "The default grep program for `grep-command' and `grep-find-command'.
396 This variable's value takes effect when `grep-compute-defaults' is called.")
398 ;; Use -e if grep supports it,
399 ;; because that avoids lossage if the pattern starts with `-'.
400 (defvar grep-command nil
401 "The default grep command for \\[grep].
402 The real default value of this variable is set up by `grep-compute-defaults';
403 call that function before using this variable.")
405 (defvar grep-find-use-xargs nil
406 "Whether \\[grep-find] uses the `xargs' utility by default.
408 If nil, it uses `grep -exec'; if `gnu', it uses `find -print0' and `xargs -0';
409 if not nil and not `gnu', it uses `find -print' and `xargs'.
411 This variable's value takes effect when `grep-compute-defaults' is called.")
413 (defvar grep-find-command nil
414 "The default find command for \\[grep-find].
415 The default value of this variable is set up by `grep-compute-defaults';
416 call that function before using this variable.")
419 (defcustom compilation-search-path
'(nil)
420 "*List of directories to search for source files named in error messages.
421 Elements should be directory names, not file names of directories.
422 nil as an element means to try the default directory."
423 :type
'(repeat (choice (const :tag
"Default" nil
)
424 (string :tag
"Directory")))
427 (defcustom compile-command
"make -k "
428 "*Last shell command used to do a compilation; default for next compilation.
430 Sometimes it is useful for files to supply local values for this variable.
431 You might also use mode hooks to specify it in certain modes, like this:
433 (add-hook 'c-mode-hook
436 (unless (or (file-exists-p \"makefile\")
437 (file-exists-p \"Makefile\"))
438 (make-local-variable 'compile-command)
439 (setq compile-command
441 (file-name-sans-extension buffer-file-name)))))))"
445 (defvar compilation-directory-stack nil
446 "Stack of previous directories for `compilation-leave-directory-regexp'.
447 The last element is the directory the compilation was started in.")
449 (defvar compilation-exit-message-function nil
"\
450 If non-nil, called when a compilation process dies to return a status message.
451 This should be a function of three arguments: process status, exit status,
452 and exit message; it returns a cons (MESSAGE . MODELINE) of the strings to
453 write into the compilation buffer, and to put in its mode line.")
455 ;; History of compile commands.
456 (defvar compile-history nil
)
457 ;; History of grep commands.
458 (defvar grep-history nil
)
459 (defvar grep-find-history nil
)
461 (defun compilation-mode-font-lock-keywords ()
462 "Return expressions to highlight in Compilation mode."
465 ;; Compiler warning/error lines.
468 ;; Prepend "^", adjusting FILE-IDX and LINE-IDX accordingly.
469 (let ((file-idx (nth 1 item
))
470 (line-idx (nth 2 item
))
471 (col-idx (nth 3 item
))
473 (when (numberp col-idx
)
475 (cons (list (1+ col-idx
) 'font-lock-type-face nil t
)
477 (when (numberp line-idx
)
479 (cons (list (1+ line-idx
) 'font-lock-variable-name-face
)
481 (when (numberp file-idx
)
483 (cons (list (1+ file-idx
) 'font-lock-warning-face
)
485 (cons (concat "^\\(" (nth 0 item
) "\\)") keyword
))))
486 compilation-error-regexp-alist
)
489 ;; Compiler output lines. Recognize `make[n]:' lines too.
490 '("^\\([A-Za-z_0-9/\.+-]+\\)\\(\\[\\([0-9]+\\)\\]\\)?[ \t]*:"
491 (1 font-lock-function-name-face
) (3 font-lock-comment-face nil t
)))
495 (defun compile (command)
496 "Compile the program including the current buffer. Default: run `make'.
497 Runs COMMAND, a shell command, in a separate process asynchronously
498 with output going to the buffer `*compilation*'.
500 You can then use the command \\[next-error] to find the next error message
501 and move to the source code that caused it.
503 Interactively, prompts for the command if `compilation-read-command' is
504 non-nil; otherwise uses `compile-command'. With prefix arg, always prompts.
506 To run more than one compilation at once, start one and rename the
507 \`*compilation*' buffer to some other name with \\[rename-buffer].
508 Then start the next one.
510 The name used for the buffer is actually whatever is returned by
511 the function in `compilation-buffer-name-function', so you can set that
512 to a function that generates a unique name."
514 (if (or compilation-read-command current-prefix-arg
)
515 (list (read-from-minibuffer "Compile command: "
516 compile-command nil nil
517 '(compile-history .
1)))
518 (list compile-command
)))
519 (setq compile-command command
)
520 (save-some-buffers (not compilation-ask-about-save
) nil
)
521 (compile-internal compile-command
"No more errors"))
523 ;;; run compile with the default command line
525 "Re-compile the program including the current buffer."
527 (save-some-buffers (not compilation-ask-about-save
) nil
)
528 (compile-internal compile-command
"No more errors"))
530 (defun grep-process-setup ()
531 "Set up `compilation-exit-message-function' for `grep'."
532 (set (make-local-variable 'compilation-exit-message-function
)
533 (lambda (status code msg
)
534 (if (eq status
'exit
)
536 '("finished (matches found)\n" .
"matched"))
538 '("finished with no matches found\n" .
"no match"))
543 (defun grep-compute-defaults ()
545 (if (equal (condition-case nil
; in case "grep" isn't in exec-path
546 (call-process grep-program nil nil nil
547 "-e" "foo" null-device
)
550 (format "%s -n -e " grep-program
)
551 (format "%s -n " grep-program
)))
552 (unless grep-find-use-xargs
553 (setq grep-find-use-xargs
554 (if (equal (call-process "find" nil nil nil
555 null-device
"-print0")
558 (setq grep-find-command
559 (cond ((eq grep-find-use-xargs
'gnu
)
560 (format "find . -type f -print0 | xargs -0 -e %s"
563 (format "find . -type f -print | xargs %s" grep-command
))
564 (t (cons (format "find . -type f -exec %s {} /dev/null \\;"
566 (+ 22 (length grep-command
)))))))
569 (defun grep (command-args)
570 "Run grep, with user-specified args, and collect output in a buffer.
571 While grep runs asynchronously, you can use \\[next-error] (M-x next-error),
572 or \\<compilation-minor-mode-map>\\[compile-goto-error] in the grep \
573 output buffer, to go to the lines
574 where grep found matches.
576 This command uses a special history list for its arguments, so you can
577 easily repeat a grep command.
579 A prefix argument says to default the argument based upon the current
580 tag the cursor is over, substituting it into the last grep command
581 in the grep command history (or into `grep-command'
582 if that history list is empty)."
584 (let (grep-default (arg current-prefix-arg
))
586 (grep-compute-defaults))
589 (funcall (or find-tag-default-function
590 (get major-mode
'find-tag-default-function
)
591 ;; We use grep-tag-default instead of
592 ;; find-tag-default, to avoid loading etags.
593 'grep-tag-default
))))
594 (setq grep-default
(or (car grep-history
) grep-command
))
595 ;; Replace the thing matching for with that around cursor
596 (if (string-match "[^ ]+\\s +\\(-[^ ]+\\s +\\)*\\(\"[^\"]+\"\\|[^ ]+\\)" grep-default
)
597 (setq grep-default
(replace-match tag-default t t
599 (list (read-from-minibuffer "Run grep (like this): "
600 (or grep-default grep-command
)
601 nil nil
'grep-history
))))
603 ;; Setting process-setup-function makes exit-message-function work
604 ;; even when async processes aren't supported.
605 (let* ((compilation-process-setup-function 'grep-process-setup
)
606 (buf (compile-internal (if null-device
607 (concat command-args
" " null-device
)
609 "No more grep hits" "grep"
610 ;; Give it a simpler regexp to match.
611 nil grep-regexp-alist
)))))
613 ;; This is a copy of find-tag-default from etags.el.
614 (defun grep-tag-default ()
616 (while (looking-at "\\sw\\|\\s_")
618 (when (or (re-search-backward "\\sw\\|\\s_"
619 (save-excursion (beginning-of-line) (point))
621 (re-search-forward "\\(\\sw\\|\\s_\\)+"
622 (save-excursion (end-of-line) (point))
624 (goto-char (match-end 0))
625 (buffer-substring (point)
626 (progn (forward-sexp -
1)
627 (while (looking-at "\\s'")
632 (defun grep-find (command-args)
633 "Run grep via find, with user-specified args, and collect output in a buffer.
634 While find runs asynchronously, you can use the \\[next-error] command
635 to find the text that grep hits refer to.
637 This command uses a special history list for its arguments, so you can
638 easily repeat a find command."
641 (unless grep-find-command
642 (grep-compute-defaults))
643 (list (read-from-minibuffer "Run find (like this): "
644 grep-find-command nil nil
645 'grep-find-history
))))
646 (let ((null-device nil
)) ; see grep
647 (grep command-args
)))
649 (defcustom compilation-scroll-output nil
650 "*Non-nil to scroll the *compilation* buffer window as output appears.
652 Setting it causes the compilation-mode commands to put point at the
653 end of their output window so that the end of the output is always
654 visible rather than the begining."
659 (defun compile-internal (command error-message
660 &optional name-of-mode parser
661 error-regexp-alist name-function
662 enter-regexp-alist leave-regexp-alist
663 file-regexp-alist nomessage-regexp-alist
)
664 "Run compilation command COMMAND (low level interface).
665 ERROR-MESSAGE is a string to print if the user asks to see another error
666 and there are no more errors. The rest of the arguments, 3-10 are optional.
667 For them nil means use the default.
668 NAME-OF-MODE is the name to display as the major mode in the compilation
669 buffer. PARSER is the error parser function. ERROR-REGEXP-ALIST is the error
670 message regexp alist to use. NAME-FUNCTION is a function called to name the
671 buffer. ENTER-REGEXP-ALIST is the enter directory message regexp alist to use.
672 LEAVE-REGEXP-ALIST is the leave directory message regexp alist to use.
673 FILE-REGEXP-ALIST is the change current file message regexp alist to use.
674 NOMESSAGE-REGEXP-ALIST is the nomessage regexp alist to use.
675 The defaults for these variables are the global values of
676 \`compilation-parse-errors-function', `compilation-error-regexp-alist',
677 \`compilation-buffer-name-function', `compilation-enter-directory-regexp-alist',
678 \`compilation-leave-directory-regexp-alist', `compilation-file-regexp-alist',
679 \ and `compilation-nomessage-regexp-alist', respectively.
680 For arg 7-10 a value `t' means an empty alist.
682 Returns the compilation buffer created."
686 (setq name-of-mode
"Compilation"))
689 (funcall (or name-function compilation-buffer-name-function
690 (function (lambda (mode)
691 (concat "*" (downcase mode
) "*"))))
694 (let ((comp-proc (get-buffer-process (current-buffer))))
696 (if (or (not (eq (process-status comp-proc
) 'run
))
698 (format "A %s process is running; kill it? "
702 (interrupt-process comp-proc
)
704 (delete-process comp-proc
))
706 (error "Cannot have two processes in `%s' at once"
709 ;; In case the compilation buffer is current, make sure we get the global
710 ;; values of compilation-error-regexp-alist, etc.
711 (kill-all-local-variables))
712 (or error-regexp-alist
713 (setq error-regexp-alist compilation-error-regexp-alist
))
714 (or enter-regexp-alist
715 (setq enter-regexp-alist compilation-enter-directory-regexp-alist
))
716 (or leave-regexp-alist
717 (setq leave-regexp-alist compilation-leave-directory-regexp-alist
))
718 (or file-regexp-alist
719 (setq file-regexp-alist compilation-file-regexp-alist
))
720 (or nomessage-regexp-alist
721 (setq nomessage-regexp-alist compilation-nomessage-regexp-alist
))
722 (or parser
(setq parser compilation-parse-errors-function
))
723 (let ((thisdir default-directory
)
726 ;; Clear out the compilation buffer and make it writable.
727 ;; Change its default-directory to the directory where the compilation
728 ;; will happen, and insert a `cd' command to indicate this.
730 (setq buffer-read-only nil
)
731 (buffer-disable-undo (current-buffer))
733 (buffer-enable-undo (current-buffer))
734 (setq default-directory thisdir
)
735 (insert "cd " thisdir
"\n" command
"\n")
736 (set-buffer-modified-p nil
))
737 ;; If we're already in the compilation buffer, go to the end
738 ;; of the buffer, so point will track the compilation output.
739 (if (eq outbuf
(current-buffer))
740 (goto-char (point-max)))
741 ;; Pop up the compilation buffer.
742 (setq outwin
(display-buffer outbuf
))
745 (compilation-mode name-of-mode
)
746 ;; (setq buffer-read-only t) ;;; Non-ergonomic.
747 (set (make-local-variable 'compilation-parse-errors-function
) parser
)
748 (set (make-local-variable 'compilation-error-message
) error-message
)
749 (set (make-local-variable 'compilation-error-regexp-alist
)
751 (set (make-local-variable 'compilation-enter-directory-regexp-alist
)
753 (set (make-local-variable 'compilation-leave-directory-regexp-alist
)
755 (set (make-local-variable 'compilation-file-regexp-alist
)
757 (set (make-local-variable 'compilation-nomessage-regexp-alist
)
758 nomessage-regexp-alist
)
759 (set (make-local-variable 'compilation-arguments
)
760 (list command error-message
762 error-regexp-alist name-function
763 enter-regexp-alist leave-regexp-alist
764 file-regexp-alist nomessage-regexp-alist
))
765 (make-local-variable 'lazy-lock-defer-on-scrolling
)
766 ;; This proves a good idea if the buffer's going to scroll
767 ;; with lazy-lock on.
768 (setq lazy-lock-defer-on-scrolling t
)
769 (setq default-directory thisdir
770 compilation-directory-stack
(list default-directory
))
771 (set-window-start outwin
(point-min))
772 (or (eq outwin
(selected-window))
773 (set-window-point outwin
(point-min)))
774 (compilation-set-window-height outwin
)
775 (if compilation-process-setup-function
776 (funcall compilation-process-setup-function
))
777 ;; Start the compilation.
778 (if (fboundp 'start-process
)
779 (let* ((process-environment (cons "EMACS=t" process-environment
))
780 (proc (start-process-shell-command (downcase mode-name
)
783 (set-process-sentinel proc
'compilation-sentinel
)
784 (set-process-filter proc
'compilation-filter
)
785 (set-marker (process-mark proc
) (point) outbuf
)
786 (setq compilation-in-progress
787 (cons proc compilation-in-progress
)))
788 ;; No asynchronous processes available.
789 (message "Executing `%s'..." command
)
790 ;; Fake modeline display as if `start-process' were run.
791 (setq mode-line-process
":run")
792 (force-mode-line-update)
793 (sit-for 0) ; Force redisplay
794 (let ((status (call-process shell-file-name nil outbuf nil
"-c"
796 (cond ((numberp status
)
797 (compilation-handle-exit 'exit status
801 exited abnormally with code %d\n"
804 (compilation-handle-exit 'signal status
805 (concat status
"\n")))
807 (compilation-handle-exit 'bizarre status status
))))
808 (message "Executing `%s'...done" command
)))
809 (if compilation-scroll-output
810 (let ((currbuf (current-buffer)))
811 (select-window outwin
)
812 (goto-char (point-max))
813 (select-window (get-buffer-window currbuf
)))))
814 ;; Make it so the next C-x ` will use this buffer.
815 (setq compilation-last-buffer outbuf
)))
817 ;; Set the height of WINDOW according to compilation-window-height.
818 (defun compilation-set-window-height (window)
819 (and compilation-window-height
820 (= (window-width window
) (frame-width (window-frame window
)))
821 ;; If window is alone in its frame, aside from a minibuffer,
822 ;; don't change its height.
823 (not (eq window
(frame-root-window (window-frame window
))))
824 ;; This save-excursion prevents us from changing the current buffer,
825 ;; which might not be the same as the selected window's buffer.
827 (let ((w (selected-window)))
830 (select-window window
)
831 (enlarge-window (- compilation-window-height
833 (select-window w
))))))
835 (defvar compilation-minor-mode-map
836 (let ((map (make-sparse-keymap)))
837 (define-key map
[mouse-2
] 'compile-mouse-goto-error
)
838 (define-key map
"\C-c\C-c" 'compile-goto-error
)
839 (define-key map
"\C-m" 'compile-goto-error
)
840 (define-key map
"\C-c\C-k" 'kill-compilation
)
841 (define-key map
"\M-n" 'compilation-next-error
)
842 (define-key map
"\M-p" 'compilation-previous-error
)
843 (define-key map
"\M-{" 'compilation-previous-file
)
844 (define-key map
"\M-}" 'compilation-next-file
)
846 "Keymap for `compilation-minor-mode'.")
848 (defvar compilation-shell-minor-mode-map
849 (let ((map (make-sparse-keymap)))
850 (define-key map
[mouse-2
] 'compile-mouse-goto-error
)
851 (define-key map
"\M-\C-m" 'compile-goto-error
)
852 (define-key map
"\M-\C-n" 'compilation-next-error
)
853 (define-key map
"\M-\C-p" 'compilation-previous-error
)
854 (define-key map
"\M-{" 'compilation-previous-file
)
855 (define-key map
"\M-}" 'compilation-next-file
)
856 ;; Set up the menu-bar
857 (define-key map
[menu-bar errors-menu
]
858 (cons "Errors" (make-sparse-keymap "Errors")))
859 (define-key map
[menu-bar errors-menu stop-subjob
]
860 '("Stop" . comint-interrupt-subjob
))
861 (define-key map
[menu-bar errors-menu compilation-mode-separator2
]
863 (define-key map
[menu-bar errors-menu compilation-mode-first-error
]
864 '("First Error" . first-error
))
865 (define-key map
[menu-bar errors-menu compilation-mode-previous-error
]
866 '("Previous Error" . previous-error
))
867 (define-key map
[menu-bar errors-menu compilation-mode-next-error
]
868 '("Next Error" . next-error
))
870 "Keymap for `compilation-shell-minor-mode'.")
872 (defvar compilation-mode-map
873 (let ((map (cons 'keymap compilation-minor-mode-map
)))
874 (define-key map
" " 'scroll-up
)
875 (define-key map
"\^?" 'scroll-down
)
876 ;; Set up the menu-bar
877 (define-key map
[menu-bar compilation-menu
]
878 (cons "Compile" (make-sparse-keymap "Compile")))
880 (define-key map
[menu-bar compilation-menu compilation-mode-kill-compilation
]
881 '("Stop Compilation" . kill-compilation
))
882 (define-key map
[menu-bar compilation-menu compilation-mode-separator2
]
884 (define-key map
[menu-bar compilation-menu compilation-mode-first-error
]
885 '("First Error" . first-error
))
886 (define-key map
[menu-bar compilation-menu compilation-mode-previous-error
]
887 '("Previous Error" . previous-error
))
888 (define-key map
[menu-bar compilation-menu compilation-mode-next-error
]
889 '("Next Error" . next-error
))
890 (define-key map
[menu-bar compilation-menu compilation-separator2
]
892 (define-key map
[menu-bar compilation-menu compilation-mode-grep
]
893 '("Search Files (grep)" . grep
))
894 (define-key map
[menu-bar compilation-menu compilation-mode-recompile
]
895 '("Recompile" . recompile
))
896 (define-key map
[menu-bar compilation-menu compilation-mode-compile
]
897 '("Compile..." . compile
))
899 "Keymap for compilation log buffers.
900 `compilation-minor-mode-map' is a cdr of this.")
902 (put 'compilation-mode
'mode-class
'special
)
905 (defun compilation-mode (&optional name-of-mode
)
906 "Major mode for compilation log buffers.
907 \\<compilation-mode-map>To visit the source for a line-numbered error,
908 move point to the error message line and type \\[compile-goto-error].
909 To kill the compilation, type \\[kill-compilation].
911 Runs `compilation-mode-hook' with `run-hooks' (which see)."
913 (kill-all-local-variables)
914 (use-local-map compilation-mode-map
)
915 (setq major-mode
'compilation-mode
916 mode-name
(or name-of-mode
"Compilation"))
918 (set (make-local-variable 'font-lock-defaults
)
919 '(compilation-mode-font-lock-keywords t
))
920 (set (make-local-variable 'revert-buffer-function
)
921 'compilation-revert-buffer
)
922 (run-hooks 'compilation-mode-hook
))
924 (defun compilation-revert-buffer (ignore-auto noconfirm
)
925 (if (or noconfirm
(yes-or-no-p (format "Restart compilation? ")))
926 (apply 'compile-internal compilation-arguments
)))
928 ;; Prepare the buffer for the compilation parsing commands to work.
929 (defun compilation-setup ()
930 ;; Make the buffer's mode line show process state.
931 (setq mode-line-process
'(":%s"))
932 (set (make-local-variable 'compilation-error-list
) nil
)
933 (set (make-local-variable 'compilation-old-error-list
) nil
)
934 (set (make-local-variable 'compilation-parsing-end
) 1)
935 (set (make-local-variable 'compilation-directory-stack
) nil
)
936 (setq compilation-last-buffer
(current-buffer)))
938 (defvar compilation-shell-minor-mode nil
939 "Non-nil when in compilation-shell-minor-mode.
940 In this minor mode, all the error-parsing commands of the
941 Compilation major mode are available but bound to keys that don't
942 collide with Shell mode.")
943 (make-variable-buffer-local 'compilation-shell-minor-mode
)
945 (or (assq 'compilation-shell-minor-mode minor-mode-alist
)
946 (setq minor-mode-alist
947 (cons '(compilation-shell-minor-mode " Shell-Compile")
949 (or (assq 'compilation-shell-minor-mode minor-mode-map-alist
)
950 (setq minor-mode-map-alist
(cons (cons 'compilation-shell-minor-mode
951 compilation-shell-minor-mode-map
)
952 minor-mode-map-alist
)))
954 (defvar compilation-minor-mode nil
955 "Non-nil when in compilation-minor-mode.
956 In this minor mode, all the error-parsing commands of the
957 Compilation major mode are available.")
958 (make-variable-buffer-local 'compilation-minor-mode
)
960 (or (assq 'compilation-minor-mode minor-mode-alist
)
961 (setq minor-mode-alist
(cons '(compilation-minor-mode " Compilation")
963 (or (assq 'compilation-minor-mode minor-mode-map-alist
)
964 (setq minor-mode-map-alist
(cons (cons 'compilation-minor-mode
965 compilation-minor-mode-map
)
966 minor-mode-map-alist
)))
969 (defun compilation-minor-mode (&optional arg
)
970 "Toggle compilation minor mode.
971 With arg, turn compilation mode on if and only if arg is positive.
972 See `compilation-mode'.
973 Turning the mode on runs the normal hook `compilation-minor-mode-hook'."
975 (if (setq compilation-minor-mode
(if (null arg
)
976 (null compilation-minor-mode
)
977 (> (prefix-numeric-value arg
) 0)))
978 (let ((mode-line-process))
980 (run-hooks 'compilation-minor-mode-hook
))))
982 ;; Write msg in the current buffer and hack its mode-line-process.
983 (defun compilation-handle-exit (process-status exit-status msg
)
984 (let ((buffer-read-only nil
)
985 (status (if compilation-exit-message-function
986 (funcall compilation-exit-message-function
987 process-status exit-status msg
)
988 (cons msg exit-status
)))
991 ;; Record where we put the message, so we can ignore it
994 (insert ?
\n mode-name
" " (car status
))
996 (insert " at " (substring (current-time-string) 0 19))
998 (setq mode-line-process
(format ":%s [%s]" process-status
(cdr status
)))
999 ;; Force mode line redisplay soon.
1000 (force-mode-line-update)
1001 (if (and opoint
(< opoint omax
))
1003 ;; Automatically parse (and mouse-highlight) error messages:
1004 (cond ((eq compile-auto-highlight t
)
1005 (compile-reinitialize-errors nil
(point-max)))
1006 ((numberp compile-auto-highlight
)
1007 (compile-reinitialize-errors nil
1009 (goto-line compile-auto-highlight
)
1011 (if compilation-finish-function
1012 (funcall compilation-finish-function
(current-buffer) msg
))
1013 (let ((functions compilation-finish-functions
))
1015 (funcall (car functions
) (current-buffer) msg
)
1016 (setq functions
(cdr functions
))))))
1018 ;; Called when compilation process changes state.
1019 (defun compilation-sentinel (proc msg
)
1020 "Sentinel for compilation buffers."
1021 (let ((buffer (process-buffer proc
)))
1022 (if (memq (process-status proc
) '(signal exit
))
1024 (if (null (buffer-name buffer
))
1026 (set-process-buffer proc nil
)
1027 (let ((obuf (current-buffer)))
1028 ;; save-excursion isn't the right thing if
1029 ;; process-buffer is current-buffer
1032 ;; Write something in the compilation buffer
1033 ;; and hack its mode line.
1035 (compilation-handle-exit (process-status proc
)
1036 (process-exit-status proc
)
1038 ;; Since the buffer and mode line will show that the
1039 ;; process is dead, we can delete it now. Otherwise it
1040 ;; will stay around until M-x list-processes.
1041 (delete-process proc
))
1042 (set-buffer obuf
))))
1043 (setq compilation-in-progress
(delq proc compilation-in-progress
))
1046 (defun compilation-filter (proc string
)
1047 "Process filter for compilation buffers.
1048 Just inserts the text, but uses `insert-before-markers'."
1049 (if (buffer-name (process-buffer proc
))
1051 (set-buffer (process-buffer proc
))
1052 (let ((buffer-read-only nil
))
1054 (goto-char (process-mark proc
))
1055 (insert-before-markers string
)
1056 (run-hooks 'compilation-filter-hook
)
1057 (set-marker (process-mark proc
) (point)))))))
1059 ;; Return the cdr of compilation-old-error-list for the error containing point.
1060 (defun compile-error-at-point ()
1061 (compile-reinitialize-errors nil
(point))
1062 (let ((errors compilation-old-error-list
))
1064 (> (point) (car (car errors
))))
1065 (setq errors
(cdr errors
)))
1068 (defsubst compilation-buffer-p
(buffer)
1071 (or compilation-shell-minor-mode compilation-minor-mode
1072 (eq major-mode
'compilation-mode
))))
1074 (defun compilation-next-error (n)
1075 "Move point to the next error in the compilation buffer.
1076 Does NOT find the source line like \\[next-error]."
1078 (or (compilation-buffer-p (current-buffer))
1079 (error "Not in a compilation buffer."))
1080 (setq compilation-last-buffer
(current-buffer))
1082 (let ((errors (compile-error-at-point)))
1084 ;; Move to the error after the one containing point.
1085 (goto-char (car (if (< n
0)
1087 (e compilation-old-error-list
))
1088 ;; See how many cdrs away ERRORS is from the start.
1089 (while (not (eq e errors
))
1093 (error "Moved back past first error")
1094 (nth (+ i n
) compilation-old-error-list
)))
1095 (let ((compilation-error-list (cdr errors
)))
1096 (compile-reinitialize-errors nil nil n
)
1097 (if compilation-error-list
1098 (nth (1- n
) compilation-error-list
)
1099 (error "Moved past last error"))))))))
1101 (defun compilation-previous-error (n)
1102 "Move point to the previous error in the compilation buffer.
1103 Does NOT find the source line like \\[next-error]."
1105 (compilation-next-error (- n
)))
1108 ;; Given an elt of `compilation-error-list', return an object representing
1109 ;; the referenced file which is equal to (but not necessarily eq to) what
1110 ;; this function would return for another error in the same file.
1111 (defsubst compilation-error-filedata
(data)
1112 (setq data
(cdr data
))
1114 (marker-buffer data
)
1117 ;; Return a string describing a value from compilation-error-filedata.
1118 ;; This value is not necessarily useful as a file name, but should be
1119 ;; indicative to the user of what file's errors are being referred to.
1120 (defsubst compilation-error-filedata-file-name
(filedata)
1121 (if (bufferp filedata
)
1122 (buffer-file-name filedata
)
1125 (defun compilation-next-file (n)
1126 "Move point to the next error for a different file than the current one."
1128 (or (compilation-buffer-p (current-buffer))
1129 (error "Not in a compilation buffer."))
1130 (setq compilation-last-buffer
(current-buffer))
1132 (let ((reversed (< n
0))
1136 (setq errors
(or (compile-error-at-point)
1137 (error "Moved past last error")))
1139 ;; Get a reversed list of the errors up through the one containing point.
1140 (compile-reinitialize-errors nil
(point))
1141 (setq errors
(reverse compilation-old-error-list
)
1144 ;; Ignore errors after point. (car ERRORS) will be the error
1145 ;; containing point, (cadr ERRORS) the one before it.
1147 (< (point) (car (car errors
))))
1148 (setq errors
(cdr errors
))))
1151 (setq filedata
(compilation-error-filedata (car errors
)))
1153 ;; Skip past the following errors for this file.
1154 (while (equal filedata
1155 (compilation-error-filedata
1158 (error "%s the first erring file"
1159 (compilation-error-filedata-file-name
1161 (let ((compilation-error-list nil
))
1163 (compile-reinitialize-errors nil nil
2)
1164 (setq errors compilation-error-list
)))
1165 (error "%s is the last erring file"
1166 (compilation-error-filedata-file-name
1168 (setq errors
(cdr errors
)))
1172 ;; Move to the following error.
1173 (goto-char (car (car (or errors
1175 (error "This is the first erring file")
1176 (let ((compilation-error-list nil
))
1177 ;; Parse the last one.
1178 (compile-reinitialize-errors nil nil
1)
1179 compilation-error-list
))))))))
1181 (defun compilation-previous-file (n)
1182 "Move point to the previous error for a different file than the current one."
1184 (compilation-next-file (- n
)))
1187 (defun kill-compilation ()
1188 "Kill the process made by the \\[compile] command."
1190 (let ((buffer (compilation-find-buffer)))
1191 (if (get-buffer-process buffer
)
1192 (interrupt-process (get-buffer-process buffer
))
1193 (error "The compilation process is not running."))))
1196 ;; Parse any new errors in the compilation buffer,
1197 ;; or reparse from the beginning if the user has asked for that.
1198 (defun compile-reinitialize-errors (reparse
1199 &optional limit-search find-at-least
)
1201 (set-buffer compilation-last-buffer
)
1202 ;; If we are out of errors, or if user says "reparse",
1203 ;; discard the info we have, to force reparsing.
1204 (if (or (eq compilation-error-list t
)
1206 (compilation-forget-errors))
1207 (if (and compilation-error-list
1208 (or (not limit-search
)
1209 (> compilation-parsing-end limit-search
))
1210 (or (not find-at-least
)
1211 (>= (length compilation-error-list
) find-at-least
)))
1212 ;; Since compilation-error-list is non-nil, it points to a specific
1213 ;; error the user wanted. So don't move it around.
1215 ;; This was here for a long time (before my rewrite); why? --roland
1216 ;;(switch-to-buffer compilation-last-buffer)
1217 (set-buffer-modified-p nil
)
1218 (if (< compilation-parsing-end
(point-max))
1219 ;; compilation-error-list might be non-nil if we have a non-nil
1220 ;; LIMIT-SEARCH or FIND-AT-LEAST arg. In that case its value
1221 ;; records the current position in the error list, and we must
1222 ;; preserve that after reparsing.
1223 (let ((error-list-pos compilation-error-list
))
1224 (funcall compilation-parse-errors-function
1227 ;; We only need enough new parsed errors to reach
1228 ;; FIND-AT-LEAST errors past the current
1230 (- find-at-least
(length compilation-error-list
))))
1231 ;; Remember the entire list for compilation-forget-errors. If
1232 ;; this is an incremental parse, append to previous list. If
1233 ;; we are parsing anew, compilation-forget-errors cleared
1234 ;; compilation-old-error-list above.
1235 (setq compilation-old-error-list
1236 (nconc compilation-old-error-list compilation-error-list
))
1238 ;; We started in the middle of an existing list of parsed
1239 ;; errors before parsing more; restore that position.
1240 (setq compilation-error-list error-list-pos
))
1241 ;; Mouse-Highlight (the first line of) each error message when the
1242 ;; mouse pointer moves over it:
1243 (let ((inhibit-read-only t
)
1244 (error-list compilation-error-list
))
1247 (put-text-property (goto-char (car (car error-list
)))
1248 (progn (end-of-line) (point))
1249 'mouse-face
'highlight
))
1250 (setq error-list
(cdr error-list
))))
1253 (defun compile-mouse-goto-error (event)
1256 (set-buffer (window-buffer (posn-window (event-end event
))))
1257 (goto-char (posn-point (event-end event
)))
1259 (or (compilation-buffer-p (current-buffer))
1260 (error "Not in a compilation buffer."))
1261 (setq compilation-last-buffer
(current-buffer))
1262 ;; `compile-reinitialize-errors' needs to see the complete filename
1263 ;; on the line where they clicked the mouse. Since it only looks
1264 ;; up to point, moving point to eol makes sure the filename is
1265 ;; visible to `compile-reinitialize-errors'.
1267 (compile-reinitialize-errors nil
(point))
1269 ;; Move to bol; the marker for the error on this line will point there.
1272 ;; Move compilation-error-list to the elt of compilation-old-error-list
1274 (setq compilation-error-list compilation-old-error-list
)
1275 (while (and compilation-error-list
1276 (> (point) (car (car compilation-error-list
))))
1277 (setq compilation-error-list
(cdr compilation-error-list
)))
1278 (or compilation-error-list
1279 (error "No error to go to")))
1280 (select-window (posn-window (event-end event
)))
1281 ;; Move to another window, so that next-error's window changes
1282 ;; result in the desired setup.
1286 ;; other-window changed the selected buffer,
1287 ;; but we didn't want to do that.
1288 (set-buffer compilation-last-buffer
)))
1293 (defun compile-goto-error (&optional argp
)
1294 "Visit the source for the error message point is on.
1295 Use this command in a compilation log buffer. Sets the mark at point there.
1296 \\[universal-argument] as a prefix arg means to reparse the buffer's error messages first;
1297 other kinds of prefix arguments are ignored."
1299 (or (compilation-buffer-p (current-buffer))
1300 (error "Not in a compilation buffer."))
1301 (setq compilation-last-buffer
(current-buffer))
1302 (compile-reinitialize-errors (consp argp
) (point))
1304 ;; Move to bol; the marker for the error on this line will point there.
1307 ;; Move compilation-error-list to the elt of compilation-old-error-list
1309 (setq compilation-error-list compilation-old-error-list
)
1310 (while (and compilation-error-list
1311 (> (point) (car (car compilation-error-list
))))
1312 (setq compilation-error-list
(cdr compilation-error-list
)))
1314 ;; Move to another window, so that next-error's window changes
1315 ;; result in the desired setup.
1319 ;; other-window changed the selected buffer,
1320 ;; but we didn't want to do that.
1321 (set-buffer compilation-last-buffer
)))
1326 ;; Return a compilation buffer.
1327 ;; If the current buffer is a compilation buffer, return it.
1328 ;; If compilation-last-buffer is set to a live buffer, use that.
1329 ;; Otherwise, look for a compilation buffer and signal an error
1330 ;; if there are none.
1331 (defun compilation-find-buffer (&optional other-buffer
)
1332 (if (and (not other-buffer
)
1333 (compilation-buffer-p (current-buffer)))
1334 ;; The current buffer is a compilation buffer.
1336 (if (and compilation-last-buffer
(buffer-name compilation-last-buffer
)
1337 (compilation-buffer-p compilation-last-buffer
)
1338 (or (not other-buffer
) (not (eq compilation-last-buffer
1339 (current-buffer)))))
1340 compilation-last-buffer
1341 (let ((buffers (buffer-list)))
1342 (while (and buffers
(or (not (compilation-buffer-p (car buffers
)))
1344 (eq (car buffers
) (current-buffer)))))
1345 (setq buffers
(cdr buffers
)))
1348 (or (and other-buffer
1349 (compilation-buffer-p (current-buffer))
1350 ;; The current buffer is a compilation buffer.
1353 (message "This is the only compilation buffer."))
1355 (error "No compilation started!")))))))
1358 (defun next-error (&optional argp
)
1359 "Visit next compilation error message and corresponding source code.
1361 If all the error messages parsed so far have been processed already,
1362 the message buffer is checked for new ones.
1364 A prefix arg specifies how many error messages to move;
1365 negative means move back to previous error messages.
1366 Just C-u as a prefix means reparse the error message buffer
1367 and start at the first error.
1369 \\[next-error] normally uses the most recently started compilation or
1370 grep buffer. However, it can operate on any buffer with output from
1371 the \\[compile] and \\[grep] commands, or, more generally, on any
1372 buffer in Compilation mode or with Compilation Minor mode enabled. To
1373 specify use of a particular buffer for error messages, type
1374 \\[next-error] in that buffer.
1376 Once \\[next-error] has chosen the buffer for error messages,
1377 it stays with that buffer until you use it in some other buffer which
1378 uses Compilation mode or Compilation Minor mode.
1380 See variables `compilation-parse-errors-function' and
1381 \`compilation-error-regexp-alist' for customization ideas."
1383 (setq compilation-last-buffer
(compilation-find-buffer))
1384 (compilation-goto-locus (compilation-next-error-locus
1385 ;; We want to pass a number here only if
1386 ;; we got a numeric prefix arg, not just C-u.
1387 (and (not (consp argp
))
1388 (prefix-numeric-value argp
))
1390 ;;;###autoload (define-key ctl-x-map "`" 'next-error)
1392 (defun previous-error ()
1393 "Visit previous compilation error message and corresponding source code.
1394 This operates on the output from the \\[compile] command."
1398 (defun first-error ()
1399 "Reparse the error message buffer and start at the first error.
1400 Visit corresponding source code.
1401 This operates on the output from the \\[compile] command."
1405 (defvar compilation-skip-to-next-location nil
1406 "*If non-nil, skip multiple error messages for the same source location.")
1408 (defun compilation-next-error-locus (&optional move reparse silent
)
1409 "Visit next compilation error and return locus in corresponding source code.
1410 This operates on the output from the \\[compile] command.
1411 If all preparsed error messages have been processed,
1412 the error message buffer is checked for new ones.
1414 Returns a cons (ERROR . SOURCE) of two markers: ERROR is a marker at the
1415 location of the error message in the compilation buffer, and SOURCE is a
1416 marker at the location in the source code indicated by the error message.
1418 Optional first arg MOVE says how many error messages to move forwards (or
1419 backwards, if negative); default is 1. Optional second arg REPARSE, if
1420 non-nil, says to reparse the error message buffer and reset to the first
1421 error (plus MOVE - 1). If optional third argument SILENT is non-nil, return
1422 nil instead of raising an error if there are no more errors.
1424 The current buffer should be the desired compilation output buffer."
1425 (or move
(setq move
1))
1426 (compile-reinitialize-errors reparse nil
(and (not reparse
)
1427 (if (< move
1) 0 (1- move
))))
1428 (let (next-errors next-error
)
1429 (catch 'no-next-error
1431 (set-buffer compilation-last-buffer
)
1432 ;; compilation-error-list points to the "current" error.
1436 compilation-error-list
)
1437 ;; Zero or negative arg; we need to move back in the list.
1440 (e compilation-old-error-list
))
1441 ;; See how many cdrs away the current error is from the start.
1442 (while (not (eq e compilation-error-list
))
1446 (error "Moved back past first error")
1447 (nthcdr (+ i n
) compilation-old-error-list
))))
1448 next-error
(car next-errors
))
1450 (if (null next-error
)
1452 (and move
(/= move
1)
1453 (error (if (> move
0)
1454 "Moved past last error")
1455 "Moved back past first error"))
1456 ;; Forget existing error messages if compilation has finished.
1457 (if (not (and (get-buffer-process (current-buffer))
1462 (compilation-forget-errors))
1464 (throw 'no-next-error nil
)
1465 (error (concat compilation-error-message
1466 (and (get-buffer-process (current-buffer))
1472 (setq compilation-error-list
(cdr next-errors
))
1473 (if (null (cdr next-error
))
1474 ;; This error is boring. Go to the next.
1476 (or (markerp (cdr next-error
))
1477 ;; This error has a filename/lineno pair.
1478 ;; Find the file and turn it into a marker.
1479 (let* ((fileinfo (car (cdr next-error
)))
1480 (buffer (apply 'compilation-find-file
1481 (car next-error
) fileinfo
)))
1483 ;; We can't find this error's file.
1484 ;; Remove all errors in the same file.
1486 (setq next-errors compilation-old-error-list
)
1488 (and (consp (cdr (car next-errors
)))
1489 (equal (car (cdr (car next-errors
)))
1492 (set-marker (car (car next-errors
)) nil
)
1493 (setcdr (car next-errors
) nil
)))
1494 (setq next-errors
(cdr next-errors
)))
1495 ;; Look for the next error.
1497 ;; We found the file. Get a marker for this error.
1498 ;; compilation-old-error-list is a buffer-local
1499 ;; variable, so we must be careful to extract its value
1500 ;; before switching to the source file buffer.
1501 (let ((errors compilation-old-error-list
)
1502 (last-line (nth 1 (cdr next-error
)))
1503 (column (nth 2 (cdr next-error
))))
1508 (goto-line last-line
)
1509 (if (and column
(> column
0))
1510 ;; Columns in error msgs are 1-origin.
1511 (if compilation-error-screen-columns
1512 (move-to-column (1- column
))
1513 (forward-char (1- column
)))
1514 (beginning-of-line))
1515 (setcdr next-error
(point-marker))
1516 ;; Make all the other error messages referring
1517 ;; to the same file have markers into the buffer.
1519 (and (consp (cdr (car errors
)))
1520 (equal (car (cdr (car errors
))) fileinfo
)
1521 (let* ((this (nth 1 (cdr (car errors
))))
1522 (column (nth 2 (cdr (car errors
))))
1523 (lines (- this last-line
)))
1524 (if (eq selective-display t
)
1525 ;; When selective-display is t,
1526 ;; each C-m is a line boundary,
1527 ;; as well as each newline.
1529 (re-search-backward "[\n\C-m]"
1532 (re-search-forward "[\n\C-m]"
1535 (forward-line lines
))
1536 (if (and column
(> column
1))
1537 (if compilation-error-screen-columns
1538 (move-to-column (1- column
))
1539 (forward-char (1- column
)))
1540 (beginning-of-line))
1541 (setq last-line this
)
1542 (setcdr (car errors
) (point-marker))))
1543 (setq errors
(cdr errors
)))))))))
1544 ;; If we didn't get a marker for this error, or this
1545 ;; marker's buffer was killed, go on to the next one.
1546 (or (not (markerp (cdr next-error
)))
1547 (not (marker-buffer (cdr next-error
))))))
1548 (setq next-errors compilation-error-list
1549 next-error
(car next-errors
)))))
1551 (if compilation-skip-to-next-location
1552 ;; Skip over multiple error messages for the same source location,
1553 ;; so the next C-x ` won't go to an error in the same place.
1554 (while (and compilation-error-list
1555 (equal (cdr (car compilation-error-list
))
1557 (setq compilation-error-list
(cdr compilation-error-list
))))
1559 ;; We now have a marker for the position of the error source code.
1560 ;; NEXT-ERROR is a cons (ERROR . SOURCE) of two markers.
1563 (defun compilation-goto-locus (next-error)
1564 "Jump to an error locus returned by `compilation-next-error-locus'.
1565 Takes one argument, a cons (ERROR . SOURCE) of two markers.
1566 Selects a window with point at SOURCE, with another window displaying ERROR."
1567 (if (and (window-dedicated-p (selected-window))
1568 (eq (selected-window) (frame-root-window)))
1569 (switch-to-buffer-other-frame (marker-buffer (cdr next-error
)))
1570 (switch-to-buffer (marker-buffer (cdr next-error
))))
1571 (goto-char (cdr next-error
))
1572 ;; If narrowing got in the way of
1573 ;; going to the right place, widen.
1574 (or (= (point) (marker-position (cdr next-error
)))
1577 (goto-char (cdr next-error
))))
1579 ;; Show compilation buffer in other window, scrolled to this error.
1580 (let* ((pop-up-windows t
)
1581 ;; Use an existing window if it is in a visible frame.
1582 (w (or (get-buffer-window (marker-buffer (car next-error
)) 'visible
)
1584 (display-buffer (marker-buffer (car next-error
))))))
1585 (set-window-point w
(car next-error
))
1586 (set-window-start w
(car next-error
))
1587 (compilation-set-window-height w
)))
1589 ;; Find a buffer for file FILENAME.
1590 ;; Search the directories in compilation-search-path.
1591 ;; A nil in compilation-search-path means to try the
1592 ;; current directory, which is passed in DIR.
1593 ;; If FILENAME is not found at all, ask the user where to find it.
1594 ;; Pop up the buffer containing MARKER and scroll to MARKER if we ask the user.
1595 (defun compilation-find-file (marker filename dir
&rest formats
)
1596 (or formats
(setq formats
'("%s")))
1597 (let ((dirs compilation-search-path
)
1598 buffer thisdir fmts name
)
1599 (if (file-name-absolute-p filename
)
1600 ;; The file name is absolute. Use its explicit directory as
1601 ;; the first in the search path, and strip it from FILENAME.
1602 (setq filename
(abbreviate-file-name (expand-file-name filename
))
1603 dirs
(cons (file-name-directory filename
) dirs
)
1604 filename
(file-name-nondirectory filename
)))
1605 ;; Now search the path.
1606 (while (and dirs
(null buffer
))
1607 (setq thisdir
(or (car dirs
) dir
)
1609 ;; For each directory, try each format string.
1610 (while (and fmts
(null buffer
))
1611 (setq name
(expand-file-name (format (car fmts
) filename
) thisdir
)
1612 buffer
(and (file-exists-p name
)
1613 (find-file-noselect name
))
1615 (setq dirs
(cdr dirs
)))
1617 ;; The file doesn't exist.
1618 ;; Ask the user where to find it.
1619 ;; If he hits C-g, then the next time he does
1620 ;; next-error, he'll skip past it.
1621 (let* ((pop-up-windows t
)
1622 (w (display-buffer (marker-buffer marker
))))
1623 (set-window-point w marker
)
1624 (set-window-start w marker
)
1625 (let ((name (expand-file-name
1627 (format "Find this error in: (default %s) "
1630 (if (file-directory-p name
)
1631 (setq name
(expand-file-name filename name
)))
1632 (and (file-exists-p name
)
1633 (find-file-noselect name
)))))))
1635 ;; Set compilation-error-list to nil, and unchain the markers that point to the
1636 ;; error messages and their text, so that they no longer slow down gap motion.
1637 ;; This would happen anyway at the next garbage collection, but it is better to
1638 ;; do it right away.
1639 (defun compilation-forget-errors ()
1640 (while compilation-old-error-list
1641 (let ((next-error (car compilation-old-error-list
)))
1642 (set-marker (car next-error
) nil
)
1643 (if (markerp (cdr next-error
))
1644 (set-marker (cdr next-error
) nil
)))
1645 (setq compilation-old-error-list
(cdr compilation-old-error-list
)))
1646 (setq compilation-error-list nil
1647 compilation-directory-stack
(list default-directory
)
1648 compilation-parsing-end
1)
1649 ;; Remove the highlighting added by compile-reinitialize-errors:
1650 (let ((inhibit-read-only t
))
1651 (remove-text-properties (point-min) (point-max) '(mouse-face highlight
)))
1655 ;; This function is not needed any more by compilation mode.
1656 ;; Does anyone else need it or can it be deleted?
1657 (defun count-regexp-groupings (regexp)
1658 "Return the number of \\( ... \\) groupings in REGEXP (a string)."
1660 (len (length regexp
))
1664 (setq c
(aref regexp i
)
1667 ;; Find the end of this [...].
1668 (while (and (< i len
)
1669 (not (= (aref regexp i
) ?\
])))
1674 (setq c
(aref regexp i
)
1677 ;; We found the end of a grouping,
1678 ;; so bump our counter.
1679 (setq groupings
(1+ groupings
))))))))
1682 (defvar compilation-current-file nil
1683 "Used by compilation-parse-errors to store filename for file being compiled")
1685 ;; This variable is not used as a global variable. It's defined here just to
1686 ;; shut up the byte compiler. It's bound and used by compilation-parse-errors
1687 ;; and set by compile-collect-regexps.
1688 (defvar compilation-regexps nil
)
1690 (defun compilation-parse-errors (limit-search find-at-least
)
1691 "Parse the current buffer as grep, cc, lint or other error messages.
1692 See variable `compilation-parse-errors-function' for the interface it uses."
1693 (setq compilation-error-list nil
)
1694 (message "Parsing error messages...")
1695 (if (null compilation-error-regexp-alist
)
1696 (error "compilation-error-regexp-alist is empty!"))
1697 (let* ((compilation-regexps nil
) ; Variable set by compile-collect-regexps.
1698 (default-directory (car compilation-directory-stack
))
1700 (compilation-num-errors-found 0)
1701 ;; Set up now the expanded, abbreviated directory variables
1702 ;; that compile-abbreviate-directory will need, so we can
1703 ;; compute them just once here.
1704 (orig (abbreviate-file-name default-directory
))
1705 (orig-expanded (abbreviate-file-name
1706 (file-truename default-directory
)))
1707 (parent-expanded (abbreviate-file-name
1708 (expand-file-name "../" orig-expanded
))))
1710 ;; Make a list of all the regexps. Each element has the form
1711 ;; (REGEXP TYPE IDX1 IDX2 ...)
1712 ;; where TYPE is one of leave, enter, file, error or nomessage.
1713 (compile-collect-regexps 'leave compilation-leave-directory-regexp-alist
)
1714 (compile-collect-regexps 'enter compilation-enter-directory-regexp-alist
)
1715 (compile-collect-regexps 'file compilation-file-regexp-alist
)
1716 (compile-collect-regexps 'nomessage compilation-nomessage-regexp-alist
)
1717 (compile-collect-regexps 'error compilation-error-regexp-alist
)
1719 ;; Don't reparse messages already seen at last parse.
1720 (goto-char compilation-parsing-end
)
1722 (eq major-mode
'compilation-mode
))
1723 (setq compilation-current-file nil
) ; No current file at start.
1724 ;; Don't parse the first two lines as error messages.
1725 ;; This matters for grep.
1729 (while (not (or found-desired
(eobp)))
1730 (let ((this compilation-regexps
) (prev nil
) (alist nil
) type
)
1731 ;; Go through the regular expressions. If a match is found,
1732 ;; variable alist is set to the corresponding alist and the
1733 ;; matching regexp is moved to the front of compilation-regexps
1734 ;; to make it match faster next time.
1735 (while (and this
(null alist
))
1736 (if (not (looking-at (car (car this
))))
1737 (progn (setq prev this
) ; No match, go to next.
1738 (setq this
(cdr this
)))
1739 (setq alist
(cdr (car this
))) ; Got a match.
1740 ;;; (if prev ; If not the first regexp,
1741 ;;; (progn ; move it to the front.
1742 ;;; (setcdr prev (cdr this))
1743 ;;; (setcdr this compilation-regexps)
1744 ;;; (setq compilation-regexps this)))
1746 (if (and alist
; Seen a match and not to
1747 (not (eq (setq type
(car alist
)) 'nomessage
))) ; be ignored.
1748 (let* ((end-of-match (match-end 0))
1750 (compile-buffer-substring (car (setq alist
(cdr alist
)))))
1752 (if (eq type
'error
) ; error message
1753 (let* ((linenum (if (numberp (car (setq alist
(cdr alist
))))
1755 (compile-buffer-substring (car alist
)))
1756 ;; (car alist) is not a number, must be a
1757 ;; function that is called below to return
1758 ;; an error position descriptor.
1760 ;; Convert to integer later if linenum not a function.
1761 (column (compile-buffer-substring
1762 (car (setq alist
(cdr alist
)))))
1765 ;; Check that we have a file name.
1767 ;; No file name in message, we must have seen it before
1768 (setq filename compilation-current-file
)
1770 An error message with no file name and no file name has been seen earlier."))
1772 ;; Check for a comint-file-name-prefix and prepend it if
1773 ;; appropriate. (This is very useful for
1774 ;; compilation-minor-mode in an rlogin-mode buffer.)
1775 (and (boundp 'comint-file-name-prefix
)
1776 ;; If file name is relative, default-directory will
1777 ;; already contain the comint-file-name-prefix (done
1778 ;; by compile-abbreviate-directory).
1779 (file-name-absolute-p filename
)
1781 (concat comint-file-name-prefix filename
)))
1783 ;; Some compilers (e.g. Sun's java compiler, reportedly)
1784 ;; produce bogus file names like "./bar//foo.c" for file
1785 ;; "bar/foo.c"; expand-file-name will collapse these into
1786 ;; "/foo.c" and fail to find the appropriate file. So we
1787 ;; look for doubled slashes in the file name and fix them
1788 ;; up in the buffer.
1789 (setq filename
(command-line-normalize-file-name filename
))
1792 (cons filename
(cons default-directory
(cdr alist
))))
1794 ;; Locate the erring file and line.
1795 ;; Make this-error a new elt for compilation-error-list,
1796 ;; giving a marker for the current compilation buffer
1797 ;; location, and the file and line number of the error.
1798 ;; Save, as the start of the error, the beginning of the
1799 ;; line containing the match.
1801 (if (numberp linenum
)
1802 (list (point-marker) filename linenum
1803 (and column
(string-to-int column
)))
1804 ;; If linenum is not a number then it must be
1805 ;; a function returning an error position
1806 ;; descriptor or nil (meaning no position).
1808 (funcall linenum filename column
))))
1810 ;; We have an error position descriptor.
1811 ;; If we have found as many new errors as the user
1812 ;; wants, or if we are past the buffer position he
1813 ;; indicated, then we continue to parse until we have
1814 ;; seen all consecutive errors in the same file. This
1815 ;; means that all the errors of a source file will be
1816 ;; seen in one parsing run, so that the error positions
1817 ;; will be recorded as markers in the source file
1818 ;; buffer that will move when the buffer is changed.
1820 compilation-error-list
; At least one previous.
1821 (or (and find-at-least
1822 (>= compilation-num-errors-found
1825 (>= end-of-match limit-search
)))
1826 (not (equal ; Same filename?
1827 (car (cdr (car compilation-error-list
)))
1828 (car (cdr this-error
)))))
1829 ;; We are past the limits and the last error
1830 ;; parsed, didn't belong to the same source file
1831 ;; as the earlier ones i.e. we have seen all the
1832 ;; errors belonging to the earlier file. We don't
1833 ;; add the error just parsed so that the next
1834 ;; parsing run can get it and the following errors
1835 ;; in the same file all at once.
1836 (setq found-desired t
)
1838 (goto-char end-of-match
) ; Prepare for next message.
1839 ;; Don't add the same source line more than once.
1842 compilation-error-list
1843 (equal (cdr (car compilation-error-list
))
1845 (setq compilation-error-list
1846 (cons this-error compilation-error-list
)
1847 compilation-num-errors-found
1848 (1+ compilation-num-errors-found
)))))
1850 ;; Not an error message.
1851 (if (eq type
`file
) ; Change current file.
1852 (and filename
(setq compilation-current-file filename
))
1853 ;; Enter or leave directory.
1854 (setq stack compilation-directory-stack
)
1858 ;; The directory name in the message
1859 ;; is a truename. Try to convert it to a form
1860 ;; like what the user typed in.
1861 (compile-abbreviate-directory
1862 (file-name-as-directory
1863 (expand-file-name filename
))
1864 orig orig-expanded parent-expanded
)))
1865 (if (eq type
'leave
)
1867 (not (string-equal (car stack
)
1869 (setq stack
(cdr stack
)))
1870 (setq compilation-directory-stack
1871 (cons filename compilation-directory-stack
)
1872 default-directory filename
)))
1873 (and (eq type
'leave
)
1875 (setq compilation-directory-stack
(cdr stack
))
1876 (setq stack
(car compilation-directory-stack
))
1877 (setq default-directory stack
)))
1878 (goto-char end-of-match
) ; Prepare to look at next message.
1879 (and limit-search
(>= end-of-match limit-search
)
1880 ;; The user wanted a specific error, and we're past it.
1881 ;; We do this check here rather than at the end of the
1882 ;; loop because if the last thing seen is an error
1883 ;; message, we must carefully discard the last error
1884 ;; when it is the first in a new file (see above in
1885 ;; the error-message case)
1886 (setq found-desired t
)))
1888 ;; Go to before the last character in the message so that we will
1889 ;; see the next line also when the message ended at end of line.
1890 ;; When we ignore the last error message above, this will
1891 ;; cancel the effect of forward-line below so that point
1895 ;; Is this message necessary any more? Parsing is now so fast
1896 ;; that you might not need to know how it proceeds.
1898 "Parsing error messages...%d found. %.0f%% of buffer seen."
1899 compilation-num-errors-found
1900 ;; Use floating-point because (* 100 (point)) frequently
1901 ;; exceeds the range of Emacs Lisp integers.
1902 (/ (* 100.0 (point)) (point-max)))
1905 (forward-line 1))) ; End of while loop. Look at next line.
1907 (setq compilation-parsing-end
(point))
1908 (setq compilation-error-list
(nreverse compilation-error-list
))
1909 ;;; (message "Parsing error messages...done. %d found. %.0f%% of buffer seen."
1910 ;;; compilation-num-errors-found
1911 ;;; (/ (* 100.0 (point)) (point-max)))
1912 (message "Parsing error messages...done.")))
1914 (defun compile-collect-regexps (type this
)
1915 ;; Add elements to variable compilation-regexps that is bound in
1916 ;; compilation-parse-errors.
1917 (and (not (eq this t
))
1919 (setq compilation-regexps
1920 (cons (cons (car (car this
)) (cons type
(cdr (car this
))))
1921 compilation-regexps
))
1922 (setq this
(cdr this
)))))
1924 (defun compile-buffer-substring (index)
1925 ;; Get substring matched by INDEXth subexpression.
1927 (let ((beg (match-beginning index
)))
1928 (if beg
(buffer-substring beg
(match-end index
))))))
1930 ;; If directory DIR is a subdir of ORIG or of ORIG's parent,
1931 ;; return a relative name for it starting from ORIG or its parent.
1932 ;; ORIG-EXPANDED is an expanded version of ORIG.
1933 ;; PARENT-EXPANDED is an expanded version of ORIG's parent.
1934 ;; Those two args could be computed here, but we run faster by
1935 ;; having the caller compute them just once.
1936 (defun compile-abbreviate-directory (dir orig orig-expanded parent-expanded
)
1937 ;; Apply canonical abbreviations to DIR first thing.
1938 ;; Those abbreviations are already done in the other arguments passed.
1939 (setq dir
(abbreviate-file-name dir
))
1941 ;; Check for a comint-file-name-prefix and prepend it if appropriate.
1942 ;; (This is very useful for compilation-minor-mode in an rlogin-mode
1944 (if (boundp 'comint-file-name-prefix
)
1945 (setq dir
(concat comint-file-name-prefix dir
)))
1947 (if (and (> (length dir
) (length orig-expanded
))
1948 (string= orig-expanded
1949 (substring dir
0 (length orig-expanded
))))
1952 (substring dir
(length orig-expanded
)))))
1953 (if (and (> (length dir
) (length parent-expanded
))
1954 (string= parent-expanded
1955 (substring dir
0 (length parent-expanded
))))
1957 (concat (file-name-directory
1958 (directory-file-name orig
))
1959 (substring dir
(length parent-expanded
)))))
1964 ;;; compile.el ends here