1 ;;; compile.el --- run compiler as inferior of Emacs, parse error messages.
3 ;; Copyright (C) 1985, 86, 87, 93, 94, 95, 96, 97, 98, 1999 Free Software Foundation, Inc.
5 ;; Author: Roland McGrath <roland@gnu.org>
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 (defcustom 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."
63 :type
'(choice (const :tag
"All" t
)
64 (const :tag
"None" nil
)
65 (integer :tag
"First N lines"))
68 (defvar compilation-error-list nil
69 "List of error message descriptors for visiting erring functions.
70 Each error descriptor is a cons (or nil). Its car is a marker pointing to
71 an error message. If its cdr is a marker, it points to the text of the
72 line the message is about. If its cdr is a cons, it is a list
73 \(\(DIRECTORY . FILE\) LINE [COLUMN]\). Or its cdr may be nil if that
74 error is not interesting.
76 The value may be t instead of a list; this means that the buffer of
77 error messages should be reparsed the next time the list of errors is wanted.
79 Some other commands (like `diff') use this list to control the error
80 message tracking facilities; if you change its structure, you should make
81 sure you also change those packages. Perhaps it is better not to change
84 (defvar compilation-old-error-list nil
85 "Value of `compilation-error-list' after errors were parsed.")
87 (defvar compilation-parse-errors-function
'compilation-parse-errors
88 "Function to call to parse error messages from a compilation.
89 It takes args LIMIT-SEARCH and FIND-AT-LEAST.
90 If LIMIT-SEARCH is non-nil, don't bother parsing past that location.
91 If FIND-AT-LEAST is non-nil, don't bother parsing after finding that
93 It should read in the source files which have errors and set
94 `compilation-error-list' to a list with an element for each error message
95 found. See that variable for more info.")
98 (defvar compilation-process-setup-function nil
99 "*Function to call to customize the compilation process.
100 This functions is called immediately before the compilation process is
101 started. It can be used to set any variables or functions that are used
102 while processing the output of the compilation process.")
105 (defvar compilation-buffer-name-function nil
106 "Function to compute the name of a compilation buffer.
107 The function receives one argument, the name of the major mode of the
108 compilation buffer. It should return a string.
109 nil means compute the name with `(concat \"*\" (downcase major-mode) \"*\")'.")
112 (defvar compilation-finish-function nil
113 "Function to call when a compilation process finishes.
114 It is called with two arguments: the compilation buffer, and a string
115 describing how the process finished.")
118 (defvar compilation-finish-functions nil
119 "Functions to call when a compilation process finishes.
120 Each function is called with two arguments: the compilation buffer,
121 and a string describing how the process finished.")
123 (defvar compilation-last-buffer nil
124 "The most recent compilation buffer.
125 A buffer becomes most recent when its compilation is started
126 or when it is used with \\[next-error] or \\[compile-goto-error].")
128 (defvar compilation-in-progress nil
129 "List of compilation processes now running.")
130 (or (assq 'compilation-in-progress minor-mode-alist
)
131 (setq minor-mode-alist
(cons '(compilation-in-progress " Compiling")
134 (defvar compilation-parsing-end nil
135 "Marker position of end of buffer when last error messages were parsed.")
137 (defvar compilation-error-message
"No more errors"
138 "Message to print when no more matches are found.")
140 (defvar compilation-arguments nil
141 "Arguments that were given to `compile-internal'.")
143 (defvar compilation-num-errors-found
)
145 (defvar compilation-error-regexp-alist
147 ;; NOTE! See also grep-regexp-alist, below.
149 ;; 4.3BSD grep, cc, lint pass 1:
150 ;; /usr/src/foo/foo.c(8): warning: w may be used before set
152 ;; foo.c:8: error message
154 ;; foo.f :16 some horrible error message
155 ;; or GNU utilities with column (GNAT 1.82):
156 ;; foo.adb:2:1: Unit name does not match file name
157 ;; or with column and program name:
158 ;; jade:dbcommon.dsl:133:17:E: missing argument for function call
160 ;; We'll insist that the number be followed by a colon or closing
161 ;; paren, because otherwise this matches just about anything
162 ;; containing a number with spaces around it.
164 ;; We insist on a non-digit in the file name
165 ;; so that we don't mistake the file name for a command name
166 ;; and take the line number as the file name.
167 ("\\([a-zA-Z][-a-zA-Z._0-9]+: ?\\)?\
168 \\([a-zA-Z]?:?[^:( \t\n]*[^:( \t\n0-9][^:( \t\n]*\\)[:(][ \t]*\\([0-9]+\\)\
169 \\([) \t]\\|:\\(\\([0-9]+:\\)\\|[0-9]*[^:0-9]\\)\\)" 2 3 6)
172 ;; keyboard.c(537) : warning C4005: 'min' : macro redefinition
173 ;; d:\tmp\test.c(23) : error C2143: syntax error : missing ';' before 'if'
174 ;; This used to be less selective and allow characters other than
175 ;; parens around the line number, but that caused confusion for
176 ;; GNU-style error messages.
177 ;; This used to reject spaces and dashes in file names,
178 ;; but they are valid now; so I made it more strict about the error
179 ;; message that follows.
180 ("\\(\\([a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\)) \
181 : \\(error\\|warning\\) C[0-9]+:" 1 3)
183 ;; Borland C++, C++Builder:
184 ;; Error ping.c 15: Unable to open include file 'sys/types.h'
185 ;; Warning ping.c 68: Call to function 'func' with no prototype
186 ;; Error E2010 ping.c 15: Unable to open include file 'sys/types.h'
187 ;; Warning W1022 ping.c 68: Call to function 'func' with no prototype
188 ("\\(Error\\|Warning\\) \\(\\([FEW][0-9]+\\) \\)?\
189 \\([a-zA-Z]?:?[^:( \t\n]+\\)\
190 \\([0-9]+\\)\\([) \t]\\|:[^0-9\n]\\)" 4 5)
192 ;; 4.3BSD lint pass 2
193 ;; strcmp: variable # of args. llib-lc(359) :: /usr/src/foo/foo.c(8)
194 (".*[ \t:]\\([a-zA-Z]?:?[^:( \t\n]+\\)[:(](+[ \t]*\\([0-9]+\\))[:) \t]*$"
197 ;; 4.3BSD lint pass 3
198 ;; bloofle defined( /users/wolfgang/foo.c(4) ), but never used
200 ;; ("[ \t(]+\\([a-zA-Z]?:?[^:( \t\n]+\\)[:( \t]+\\([0-9]+\\)[:) \t]+" 1 2)
201 ;; which is regexp Impressionism - it matches almost anything!
202 (".*([ \t]*\\([a-zA-Z]?:?[^:( \t\n]+\\)[:(][ \t]*\\([0-9]+\\))" 1 2)
204 ;; MIPS lint pass<n>; looks good for SunPro lint also
205 ;; TrimMask (255) in solomon.c may be indistinguishable from TrimMasks (93) in solomon.c due to truncation
206 ("[^\n ]+ (\\([0-9]+\\)) in \\([^ \n]+\\)" 2 1)
207 ;; name defined but never used: LinInt in cmap_calc.c(199)
208 (".*in \\([^(\n]+\\)(\\([0-9]+\\))$" 1 2)
211 ;; fort: Severe: addstf.f, line 82: Missing operator or delimiter symbol
212 ;; Some SGI cc version:
213 ;; cfe: Warning 835: foo.c, line 2: something
214 ("\\(cfe\\|fort\\): [^:\n]*: \\([^ \n]*\\), line \\([0-9]+\\):" 2 3)
215 ;; Error on line 3 of t.f: Execution error unclassifiable statement
216 ;; Unknown who does this:
217 ;; Line 45 of "foo.c": bloofle undefined
218 ;; Absoft FORTRAN 77 Compiler 3.1.3
219 ;; error on line 19 of fplot.f: spelling error?
220 ;; warning on line 17 of fplot.f: data type is undefined for variable d
221 ("\\(.* on \\)?[Ll]ine[ \t]+\\([0-9]+\\)[ \t]+\
222 of[ \t]+\"?\\([a-zA-Z]?:?[^\":\n]+\\)\"?:" 3 2)
224 ;; Apollo cc, 4.3BSD fc:
225 ;; "foo.f", line 3: Error: syntax error near end of statement
227 ;; "vvouch.c", line 19.5: 1506-046 (S) Syntax error.
229 ;; "foo.c", line 32 pos 1; (E) syntax error; unexpected symbol: "lossage"
230 ;; GNAT (as of July 94):
231 ;; "foo.adb", line 2(11): warning: file name does not match ...
232 ;; IBM AIX xlc compiler:
233 ;; "src/swapping.c", line 30.34: 1506-342 (W) "/*" detected in comment.
234 (".*\"\\([^,\" \n\t]+\\)\", lines? \
235 \\([0-9]+\\)\\([\(.]\\([0-9]+\\)\)?\\)?[:., (-]" 1 2 4)
238 ;; File "foobar.ml", lines 5-8, characters 20-155: blah blah
239 ("^File \"\\([^,\" \n\t]+\\)\", lines? \\([0-9]+\\)[-0-9]*, characters? \\([0-9]+\\)" 1 2 3)
241 ;; MIPS RISC CC - the one distributed with Ultrix:
242 ;; ccom: Error: foo.c, line 2: syntax error
244 ;; /usr/lib/cmplrs/cc/cfe: Error: foo.c: 1: blah blah
245 ("[a-z0-9/]+: \\([eE]rror\\|[wW]arning\\): \\([^,\" \n\t]+\\)[,:] \\(line \\)?\\([0-9]+\\):" 2 4)
247 ;; IBM AIX PS/2 C version 1.1:
248 ;; ****** Error number 140 in line 8 of file errors.c ******
249 (".*in line \\([0-9]+\\) of file \\([^ \n]+[^. \n]\\)\\.? " 2 1)
250 ;; IBM AIX lint is too painful to do right this way. File name
251 ;; prefixes entire sections rather than being on each line.
253 ;; SPARCcompiler Pascal:
254 ;; 20 linjer : array[1..4] of linje;
255 ;; e 18480-----------^--- Inserted ';'
257 ;; E 18520 line 61 - 0 is undefined
258 ;; These messages don't contain a file name. Instead the compiler gives
259 ;; a message whenever the file being compiled is changed.
260 (" +\\([0-9]+\\) +.*\n[ew] [0-9]+-+" nil
1)
261 ("[Ew] +[0-9]+ line \\([0-9]+\\) - " nil
1)
263 ;; Lucid Compiler, lcc 3.x
264 ;; E, file.cc(35,52) Illegal operation on pointers
265 ("[EW], \\([^(\n]*\\)(\\([0-9]+\\),[ \t]*\\([0-9]+\\)" 1 2 3)
267 ;;; This seems to be superfluous because the first pattern matches it.
268 ;;; ;; GNU messages with program name and optional column number.
269 ;;; ("[a-zA-Z]?:?[^0-9 \n\t:]+[^ \n\t:]*:[ \t]*\\([^ \n\t:]+\\):\
270 ;;;\\([0-9]+\\):\\(\\([0-9]+\\)[: \t]\\)?" 1 2 4)
272 ;; Cray C compiler error messages
273 ("\\(cc\\| cft\\)-[0-9]+ c\\(c\\|f77\\): ERROR \\([^,\n]+, \\)* File = \
274 \\([^,\n]+\\), Line = \\([0-9]+\\)" 4 5)
276 ;; IBM C/C++ Tools 2.01:
277 ;; foo.c(2:0) : informational EDC0804: Function foo is not referenced.
278 ;; foo.c(3:8) : warning EDC0833: Implicit return statement encountered.
279 ;; foo.c(5:5) : error EDC0350: Syntax error.
280 ("\\([^( \n\t]+\\)(\\([0-9]+\\):\\([0-9]+\\)) : " 1 2 3)
282 ;; IAR Systems C Compiler:
283 ;; "foo.c",3 Error[32]: Error message
284 ;; "foo.c",3 Warning[32]: Error message
285 ("\"\\(.*\\)\",\\([0-9]+\\)\\s-+\\(Error\\|Warning\\)\\[[0-9]+\\]:" 1 2)
287 ;; Sun ada (VADS, Solaris):
288 ;; /home3/xdhar/rcds_rc/main.a, line 361, char 6:syntax error: "," inserted
289 ("\\([^, \n\t]+\\), line \\([0-9]+\\), char \\([0-9]+\\)[:., \(-]" 1 2 3)
292 ;; syntax error at automake line 922, near "':'"
293 ;; Perl debugging traces
294 ;; store::odrecall('File_A', 'x2') called at store.pm line 90
295 (".* at \\([^ \n]+\\) line \\([0-9]+\\)[,.\n]" 1 2)
298 ;; Semantic error at line 528, column 5, file erosacqdb.pc:
299 ("Semantic error at line \\([0-9]+\\), column \\([0-9]+\\), file \\(.*\\):"
303 ;; Error 24 at (2:progran.f90) : syntax error
304 ("Error [0-9]+ at (\\([0-9]*\\):\\([^)\n]+\\))" 2 1)
306 ;; SGI IRIX MipsPro 7.3 compilers:
307 ;; cc-1070 cc: ERROR File = linkl.c, Line = 38
308 (".*: ERROR File = \\(.+\\), Line = \\([0-9]+\\)" 1 2)
309 (".*: WARNING File = \\(.+\\), Line = \\([0-9]+\\)" 1 2)
311 ;; Sun F90 error messages:
312 ;; cf90-113 f90comp: ERROR NSE, File = Hoved.f90, Line = 16, Column = 3
313 (".* ERROR [a-zA-Z0-9 ]+, File = \\(.+\\), Line = \\([0-9]+\\), Column = \\([0-9]+\\)"
317 "Alist that specifies how to match errors in compiler output.
318 Each elt has the form (REGEXP FILE-IDX LINE-IDX [COLUMN-IDX FILE-FORMAT...])
319 If REGEXP matches, the FILE-IDX'th subexpression gives the file name, and
320 the LINE-IDX'th subexpression gives the line number. If COLUMN-IDX is
321 given, the COLUMN-IDX'th subexpression gives the column number on that line.
322 If any FILE-FORMAT is given, each is a format string to produce a file name to
323 try; %s in the string is replaced by the text matching the FILE-IDX'th
326 (defvar compilation-enter-directory-regexp-alist
328 ;; Matches lines printed by the `-w' option of GNU Make.
329 (".*: Entering directory `\\(.*\\)'$" 1)
331 "Alist specifying how to match lines that indicate a new current directory.
332 Note that the match is done at the beginning of lines.
333 Each elt has the form (REGEXP IDX).
334 If REGEXP matches, the IDX'th subexpression gives the directory name.
336 The default value matches lines printed by the `-w' option of GNU Make.")
338 (defvar compilation-leave-directory-regexp-alist
340 ;; Matches lines printed by the `-w' option of GNU Make.
341 (".*: Leaving directory `\\(.*\\)'$" 1)
343 "Alist specifying how to match lines that indicate restoring current directory.
344 Note that the match is done at the beginning of lines.
345 Each elt has the form (REGEXP IDX).
346 If REGEXP matches, the IDX'th subexpression gives the name of the directory
347 being moved from. If IDX is nil, the last directory entered \(by a line
348 matching `compilation-enter-directory-regexp-alist'\) is assumed.
350 The default value matches lines printed by the `-w' option of GNU Make.")
352 (defvar compilation-file-regexp-alist
354 ;; This matches entries with date time year file-name: like
355 ;; Thu May 14 10:46:12 1992 mom3.p:
356 ("\\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)
358 "Alist specifying how to match lines that indicate a new current file.
359 Note that the match is done at the beginning of lines.
360 Each elt has the form (REGEXP IDX).
361 If REGEXP matches, the IDX'th subexpression gives the file name. This is
362 used with compilers that don't indicate file name in every error message.")
364 ;; There is no generally useful regexp that will match non messages, but
365 ;; in special cases there might be one. The lines that are not matched by
366 ;; a regexp take much longer time than the ones that are recognized so if
367 ;; you have same regexeps here, parsing is faster.
368 (defvar compilation-nomessage-regexp-alist
371 "Alist specifying how to match lines that have no message.
372 Note that the match is done at the beginning of lines.
373 Each elt has the form (REGEXP). This alist is by default empty, but if
374 you have some good regexps here, the parsing of messages will be faster.")
376 (defcustom compilation-error-screen-columns t
377 "*If non-nil, column numbers in error messages are screen columns.
378 Otherwise they are interpreted as character positions, with
379 each character occupying one column.
380 The default is to use screen columns, which requires that the compilation
381 program and Emacs agree about the display width of the characters,
382 especially the TAB character."
387 (defcustom compilation-read-command t
388 "*Non-nil means \\[compile] reads the compilation command to use.
389 Otherwise, \\[compile] just uses the value of `compile-command'."
394 (defcustom compilation-ask-about-save t
395 "*Non-nil means \\[compile] asks which buffers to save before compiling.
396 Otherwise, it saves all modified buffers without asking."
400 (defvar grep-regexp-alist
401 '(("\\([a-zA-Z]?:?[^:( \t\n]+\\)[:( \t]+\\([0-9]+\\)[:) \t]" 1 2))
402 "Regexp used to match grep hits. See `compilation-error-regexp-alist'.")
405 ;; Currently zgrep has trouble. It runs egrep instead of grep,
406 ;; and it doesn't pass along long options right.
408 ;;; (if (equal (condition-case nil ; in case "zgrep" isn't in exec-path
409 ;;; (call-process "zgrep" nil nil nil
410 ;;; "foo" null-device)
415 "The default grep program for `grep-command' and `grep-find-command'.
416 This variable's value takes effect when `grep-compute-defaults' is called.")
418 ;; Use -e if grep supports it,
419 ;; because that avoids lossage if the pattern starts with `-'.
420 (defvar grep-command nil
421 "The default grep command for \\[grep].
422 The real default value of this variable is set up by `grep-compute-defaults';
423 call that function before using this variable.")
425 (defvar grep-find-use-xargs nil
426 "Whether \\[grep-find] uses the `xargs' utility by default.
428 If nil, it uses `grep -exec'; if `gnu', it uses `find -print0' and `xargs -0';
429 if not nil and not `gnu', it uses `find -print' and `xargs'.
431 This variable's value takes effect when `grep-compute-defaults' is called.")
433 (defvar grep-find-command nil
434 "The default find command for \\[grep-find].
435 The default value of this variable is set up by `grep-compute-defaults';
436 call that function before using this variable.")
439 (defcustom compilation-search-path
'(nil)
440 "*List of directories to search for source files named in error messages.
441 Elements should be directory names, not file names of directories.
442 nil as an element means to try the default directory."
443 :type
'(repeat (choice (const :tag
"Default" nil
)
444 (string :tag
"Directory")))
447 (defcustom compile-command
"make -k "
448 "*Last shell command used to do a compilation; default for next compilation.
450 Sometimes it is useful for files to supply local values for this variable.
451 You might also use mode hooks to specify it in certain modes, like this:
453 (add-hook 'c-mode-hook
456 (unless (or (file-exists-p \"makefile\")
457 (file-exists-p \"Makefile\"))
458 (make-local-variable 'compile-command)
459 (setq compile-command
461 (file-name-sans-extension buffer-file-name)))))))"
465 (defvar compilation-directory-stack nil
466 "Stack of previous directories for `compilation-leave-directory-regexp'.
467 The last element is the directory the compilation was started in.")
469 (defvar compilation-exit-message-function nil
"\
470 If non-nil, called when a compilation process dies to return a status message.
471 This should be a function of three arguments: process status, exit status,
472 and exit message; it returns a cons (MESSAGE . MODELINE) of the strings to
473 write into the compilation buffer, and to put in its mode line.")
475 ;; History of compile commands.
476 (defvar compile-history nil
)
477 ;; History of grep commands.
478 (defvar grep-history nil
)
479 (defvar grep-find-history nil
)
481 (defun compilation-mode-font-lock-keywords ()
482 "Return expressions to highlight in Compilation mode."
485 ;; Compiler warning/error lines.
488 ;; Prepend "^", adjusting FILE-IDX and LINE-IDX accordingly.
489 (let ((file-idx (nth 1 item
))
490 (line-idx (nth 2 item
))
491 (col-idx (nth 3 item
))
493 (when (numberp col-idx
)
495 (cons (list (1+ col-idx
) 'font-lock-type-face nil t
)
497 (when (numberp line-idx
)
499 (cons (list (1+ line-idx
) 'font-lock-variable-name-face
)
501 (when (numberp file-idx
)
503 (cons (list (1+ file-idx
) 'font-lock-warning-face
)
505 (cons (concat "^\\(" (nth 0 item
) "\\)") keyword
))))
506 compilation-error-regexp-alist
)
509 ;; Compiler output lines. Recognize `make[n]:' lines too.
510 '("^\\([A-Za-z_0-9/\.+-]+\\)\\(\\[\\([0-9]+\\)\\]\\)?[ \t]*:"
511 (1 font-lock-function-name-face
) (3 font-lock-comment-face nil t
)))
515 (defun compile (command)
516 "Compile the program including the current buffer. Default: run `make'.
517 Runs COMMAND, a shell command, in a separate process asynchronously
518 with output going to the buffer `*compilation*'.
520 You can then use the command \\[next-error] to find the next error message
521 and move to the source code that caused it.
523 Interactively, prompts for the command if `compilation-read-command' is
524 non-nil; otherwise uses `compile-command'. With prefix arg, always prompts.
526 To run more than one compilation at once, start one and rename the
527 \`*compilation*' buffer to some other name with \\[rename-buffer].
528 Then start the next one.
530 The name used for the buffer is actually whatever is returned by
531 the function in `compilation-buffer-name-function', so you can set that
532 to a function that generates a unique name."
534 (if (or compilation-read-command current-prefix-arg
)
535 (list (read-from-minibuffer "Compile command: "
536 compile-command nil nil
537 '(compile-history .
1)))
538 (list compile-command
)))
539 (setq compile-command command
)
540 (save-some-buffers (not compilation-ask-about-save
) nil
)
541 (compile-internal compile-command
"No more errors"))
543 ;;; run compile with the default command line
545 "Re-compile the program including the current buffer."
547 (save-some-buffers (not compilation-ask-about-save
) nil
)
548 (compile-internal compile-command
"No more errors"))
550 (defun grep-process-setup ()
551 "Set up `compilation-exit-message-function' for `grep'."
552 (set (make-local-variable 'compilation-exit-message-function
)
553 (lambda (status code msg
)
554 (if (eq status
'exit
)
556 '("finished (matches found)\n" .
"matched"))
558 '("finished with no matches found\n" .
"no match"))
563 (defun grep-compute-defaults ()
565 (if (equal (condition-case nil
; in case "grep" isn't in exec-path
566 (call-process grep-program nil nil nil
567 "-e" "foo" null-device
)
570 (format "%s -n -e " grep-program
)
571 (format "%s -n " grep-program
)))
572 (unless grep-find-use-xargs
573 (setq grep-find-use-xargs
575 (equal (call-process "find" nil nil nil
576 null-device
"-print0")
578 (equal (call-process "xargs" nil nil nil
582 (setq grep-find-command
583 (cond ((eq grep-find-use-xargs
'gnu
)
584 (format "find . -type f -print0 | xargs -0 -e %s"
587 (format "find . -type f -print | xargs %s" grep-command
))
588 (t (cons (format "find . -type f -exec %s {} /dev/null \\;"
590 (+ 22 (length grep-command
)))))))
593 (defun grep (command-args)
594 "Run grep, with user-specified args, and collect output in a buffer.
595 While grep runs asynchronously, you can use \\[next-error] (M-x next-error),
596 or \\<compilation-minor-mode-map>\\[compile-goto-error] in the grep \
597 output buffer, to go to the lines
598 where grep found matches.
600 This command uses a special history list for its COMMAND-ARGS, so you can
601 easily repeat a grep command.
603 A prefix argument says to default the argument based upon the current
604 tag the cursor is over, substituting it into the last grep command
605 in the grep command history (or into `grep-command'
606 if that history list is empty)."
608 (let (grep-default (arg current-prefix-arg
))
610 (grep-compute-defaults))
613 (funcall (or find-tag-default-function
614 (get major-mode
'find-tag-default-function
)
615 ;; We use grep-tag-default instead of
616 ;; find-tag-default, to avoid loading etags.
617 'grep-tag-default
))))
618 (setq grep-default
(or (car grep-history
) grep-command
))
619 ;; Replace the thing matching for with that around cursor
620 (when (string-match "[^ ]+\\s +\\(-[^ ]+\\s +\\)*\\(\"[^\"]+\"\\|[^ ]+\\)\\(\\s-+\\S-+\\)?" grep-default
)
621 (unless (or (match-beginning 3) (not (stringp buffer-file-name
)))
622 (setq grep-default
(concat grep-default
"*."
623 (file-name-extension buffer-file-name
))))
624 (setq grep-default
(replace-match (or tag-default
"")
625 t t grep-default
2)))))
626 (list (read-from-minibuffer "Run grep (like this): "
627 (or grep-default grep-command
)
628 nil nil
'grep-history
))))
630 ;; Setting process-setup-function makes exit-message-function work
631 ;; even when async processes aren't supported.
632 (let* ((compilation-process-setup-function 'grep-process-setup
)
633 (buf (compile-internal (if null-device
634 (concat command-args
" " null-device
)
636 "No more grep hits" "grep"
637 ;; Give it a simpler regexp to match.
638 nil grep-regexp-alist
)))))
640 ;; This is a copy of find-tag-default from etags.el.
641 (defun grep-tag-default ()
643 (while (looking-at "\\sw\\|\\s_")
645 (when (or (re-search-backward "\\sw\\|\\s_"
646 (save-excursion (beginning-of-line) (point))
648 (re-search-forward "\\(\\sw\\|\\s_\\)+"
649 (save-excursion (end-of-line) (point))
651 (goto-char (match-end 0))
652 (buffer-substring (point)
653 (progn (forward-sexp -
1)
654 (while (looking-at "\\s'")
659 (defun grep-find (command-args)
660 "Run grep via find, with user-specified args COMMAND-ARGS.
661 Collect output in a buffer.
662 While find runs asynchronously, you can use the \\[next-error] command
663 to find the text that grep hits refer to.
665 This command uses a special history list for its arguments, so you can
666 easily repeat a find command."
669 (unless grep-find-command
670 (grep-compute-defaults))
671 (list (read-from-minibuffer "Run find (like this): "
672 grep-find-command nil nil
673 'grep-find-history
))))
674 (let ((null-device nil
)) ; see grep
675 (grep command-args
)))
677 (defcustom compilation-scroll-output nil
678 "*Non-nil to scroll the *compilation* buffer window as output appears.
680 Setting it causes the compilation-mode commands to put point at the
681 end of their output window so that the end of the output is always
682 visible rather than the begining."
687 (defun compile-internal (command error-message
688 &optional name-of-mode parser
689 error-regexp-alist name-function
690 enter-regexp-alist leave-regexp-alist
691 file-regexp-alist nomessage-regexp-alist
)
692 "Run compilation command COMMAND (low level interface).
693 ERROR-MESSAGE is a string to print if the user asks to see another error
694 and there are no more errors. The rest of the arguments, 3-10 are optional.
695 For them nil means use the default.
696 NAME-OF-MODE is the name to display as the major mode in the compilation
697 buffer. PARSER is the error parser function. ERROR-REGEXP-ALIST is the error
698 message regexp alist to use. NAME-FUNCTION is a function called to name the
699 buffer. ENTER-REGEXP-ALIST is the enter directory message regexp alist to use.
700 LEAVE-REGEXP-ALIST is the leave directory message regexp alist to use.
701 FILE-REGEXP-ALIST is the change current file message regexp alist to use.
702 NOMESSAGE-REGEXP-ALIST is the nomessage regexp alist to use.
703 The defaults for these variables are the global values of
704 \`compilation-parse-errors-function', `compilation-error-regexp-alist',
705 \`compilation-buffer-name-function', `compilation-enter-directory-regexp-alist',
706 \`compilation-leave-directory-regexp-alist', `compilation-file-regexp-alist',
707 \ and `compilation-nomessage-regexp-alist', respectively.
708 For arg 7-10 a value `t' means an empty alist.
710 Returns the compilation buffer created."
714 (setq name-of-mode
"Compilation"))
717 (funcall (or name-function compilation-buffer-name-function
718 (function (lambda (mode)
719 (concat "*" (downcase mode
) "*"))))
722 (let ((comp-proc (get-buffer-process (current-buffer))))
724 (if (or (not (eq (process-status comp-proc
) 'run
))
726 (format "A %s process is running; kill it? "
730 (interrupt-process comp-proc
)
732 (delete-process comp-proc
))
734 (error "Cannot have two processes in `%s' at once"
737 ;; In case the compilation buffer is current, make sure we get the global
738 ;; values of compilation-error-regexp-alist, etc.
739 (kill-all-local-variables))
740 (or error-regexp-alist
741 (setq error-regexp-alist compilation-error-regexp-alist
))
742 (or enter-regexp-alist
743 (setq enter-regexp-alist compilation-enter-directory-regexp-alist
))
744 (or leave-regexp-alist
745 (setq leave-regexp-alist compilation-leave-directory-regexp-alist
))
746 (or file-regexp-alist
747 (setq file-regexp-alist compilation-file-regexp-alist
))
748 (or nomessage-regexp-alist
749 (setq nomessage-regexp-alist compilation-nomessage-regexp-alist
))
750 (or parser
(setq parser compilation-parse-errors-function
))
751 (let ((thisdir default-directory
)
754 ;; Clear out the compilation buffer and make it writable.
755 ;; Change its default-directory to the directory where the compilation
756 ;; will happen, and insert a `cd' command to indicate this.
758 (setq buffer-read-only nil
)
759 (buffer-disable-undo (current-buffer))
761 (buffer-enable-undo (current-buffer))
762 (setq default-directory thisdir
)
763 (insert "cd " thisdir
"\n" command
"\n")
764 (set-buffer-modified-p nil
))
765 ;; If we're already in the compilation buffer, go to the end
766 ;; of the buffer, so point will track the compilation output.
767 (if (eq outbuf
(current-buffer))
768 (goto-char (point-max)))
769 ;; Pop up the compilation buffer.
770 (setq outwin
(display-buffer outbuf nil t
))
773 (compilation-mode name-of-mode
)
774 ;; (setq buffer-read-only t) ;;; Non-ergonomic.
775 (set (make-local-variable 'compilation-parse-errors-function
) parser
)
776 (set (make-local-variable 'compilation-error-message
) error-message
)
777 (set (make-local-variable 'compilation-error-regexp-alist
)
779 (set (make-local-variable 'compilation-enter-directory-regexp-alist
)
781 (set (make-local-variable 'compilation-leave-directory-regexp-alist
)
783 (set (make-local-variable 'compilation-file-regexp-alist
)
785 (set (make-local-variable 'compilation-nomessage-regexp-alist
)
786 nomessage-regexp-alist
)
787 (set (make-local-variable 'compilation-arguments
)
788 (list command error-message
790 error-regexp-alist name-function
791 enter-regexp-alist leave-regexp-alist
792 file-regexp-alist nomessage-regexp-alist
))
793 ;; This proves a good idea if the buffer's going to scroll
794 ;; with lazy-lock on.
795 (set (make-local-variable 'lazy-lock-defer-on-scrolling
) t
)
796 (setq default-directory thisdir
797 compilation-directory-stack
(list default-directory
))
798 (set-window-start outwin
(point-min))
799 (or (eq outwin
(selected-window))
800 (set-window-point outwin
(point-min)))
801 (compilation-set-window-height outwin
)
802 (if compilation-process-setup-function
803 (funcall compilation-process-setup-function
))
804 ;; Start the compilation.
805 (if (fboundp 'start-process
)
806 (let* ((process-environment (cons "EMACS=t" process-environment
))
807 (proc (start-process-shell-command (downcase mode-name
)
810 (set-process-sentinel proc
'compilation-sentinel
)
811 (set-process-filter proc
'compilation-filter
)
812 (set-marker (process-mark proc
) (point) outbuf
)
813 (setq compilation-in-progress
814 (cons proc compilation-in-progress
)))
815 ;; No asynchronous processes available.
816 (message "Executing `%s'..." command
)
817 ;; Fake modeline display as if `start-process' were run.
818 (setq mode-line-process
":run")
819 (force-mode-line-update)
820 (sit-for 0) ; Force redisplay
821 (let ((status (call-process shell-file-name nil outbuf nil
"-c"
823 (cond ((numberp status
)
824 (compilation-handle-exit 'exit status
828 exited abnormally with code %d\n"
831 (compilation-handle-exit 'signal status
832 (concat status
"\n")))
834 (compilation-handle-exit 'bizarre status status
))))
835 (message "Executing `%s'...done" command
)))
836 (if compilation-scroll-output
837 (save-selected-window
838 (select-window outwin
)
839 (goto-char (point-max)))))
840 ;; Make it so the next C-x ` will use this buffer.
841 (setq compilation-last-buffer outbuf
)))
843 (defun compilation-set-window-height (window)
844 "Set the height of WINDOW according to `compilation-window-height'."
845 (and compilation-window-height
846 (= (window-width window
) (frame-width (window-frame window
)))
847 ;; If window is alone in its frame, aside from a minibuffer,
848 ;; don't change its height.
849 (not (eq window
(frame-root-window (window-frame window
))))
850 ;; This save-excursion prevents us from changing the current buffer,
851 ;; which might not be the same as the selected window's buffer.
853 (let ((w (selected-window)))
856 (select-window window
)
857 (enlarge-window (- compilation-window-height
859 (select-window w
))))))
861 (defvar compilation-minor-mode-map
862 (let ((map (make-sparse-keymap)))
863 (define-key map
[mouse-2
] 'compile-mouse-goto-error
)
864 (define-key map
"\C-c\C-c" 'compile-goto-error
)
865 (define-key map
"\C-m" 'compile-goto-error
)
866 (define-key map
"\C-c\C-k" 'kill-compilation
)
867 (define-key map
"\M-n" 'compilation-next-error
)
868 (define-key map
"\M-p" 'compilation-previous-error
)
869 (define-key map
"\M-{" 'compilation-previous-file
)
870 (define-key map
"\M-}" 'compilation-next-file
)
872 "Keymap for `compilation-minor-mode'.")
874 (defvar compilation-shell-minor-mode-map
875 (let ((map (make-sparse-keymap)))
876 (define-key map
[mouse-2
] 'compile-mouse-goto-error
)
877 (define-key map
"\M-\C-m" 'compile-goto-error
)
878 (define-key map
"\M-\C-n" 'compilation-next-error
)
879 (define-key map
"\M-\C-p" 'compilation-previous-error
)
880 (define-key map
"\M-{" 'compilation-previous-file
)
881 (define-key map
"\M-}" 'compilation-next-file
)
882 ;; Set up the menu-bar
883 (define-key map
[menu-bar errors-menu
]
884 (cons "Errors" (make-sparse-keymap "Errors")))
885 (define-key map
[menu-bar errors-menu stop-subjob
]
886 '("Stop" . comint-interrupt-subjob
))
887 (define-key map
[menu-bar errors-menu compilation-mode-separator2
]
889 (define-key map
[menu-bar errors-menu compilation-mode-first-error
]
890 '("First Error" . first-error
))
891 (define-key map
[menu-bar errors-menu compilation-mode-previous-error
]
892 '("Previous Error" . previous-error
))
893 (define-key map
[menu-bar errors-menu compilation-mode-next-error
]
894 '("Next Error" . next-error
))
896 "Keymap for `compilation-shell-minor-mode'.")
898 (defvar compilation-mode-map
899 (let ((map (cons 'keymap compilation-minor-mode-map
)))
900 (define-key map
" " 'scroll-up
)
901 (define-key map
"\^?" 'scroll-down
)
902 ;; Set up the menu-bar
903 (define-key map
[menu-bar compilation-menu
]
904 (cons "Compile" (make-sparse-keymap "Compile")))
906 (define-key map
[menu-bar compilation-menu compilation-mode-kill-compilation
]
907 '("Stop Compilation" . kill-compilation
))
908 (define-key map
[menu-bar compilation-menu compilation-mode-separator2
]
910 (define-key map
[menu-bar compilation-menu compilation-mode-first-error
]
911 '("First Error" . first-error
))
912 (define-key map
[menu-bar compilation-menu compilation-mode-previous-error
]
913 '("Previous Error" . previous-error
))
914 (define-key map
[menu-bar compilation-menu compilation-mode-next-error
]
915 '("Next Error" . next-error
))
916 (define-key map
[menu-bar compilation-menu compilation-separator2
]
918 (define-key map
[menu-bar compilation-menu compilation-mode-grep
]
919 '("Search Files (grep)" . grep
))
920 (define-key map
[menu-bar compilation-menu compilation-mode-recompile
]
921 '("Recompile" . recompile
))
922 (define-key map
[menu-bar compilation-menu compilation-mode-compile
]
923 '("Compile..." . compile
))
925 "Keymap for compilation log buffers.
926 `compilation-minor-mode-map' is a cdr of this.")
928 (put 'compilation-mode
'mode-class
'special
)
931 (defun compilation-mode (&optional name-of-mode
)
932 "Major mode for compilation log buffers.
933 \\<compilation-mode-map>To visit the source for a line-numbered error,
934 move point to the error message line and type \\[compile-goto-error].
935 To kill the compilation, type \\[kill-compilation].
937 Runs `compilation-mode-hook' with `run-hooks' (which see)."
939 (kill-all-local-variables)
940 (use-local-map compilation-mode-map
)
941 (setq major-mode
'compilation-mode
942 mode-name
(or name-of-mode
"Compilation"))
944 (set (make-local-variable 'font-lock-defaults
)
945 '(compilation-mode-font-lock-keywords t
))
946 (set (make-local-variable 'revert-buffer-function
)
947 'compilation-revert-buffer
)
948 (run-hooks 'compilation-mode-hook
))
950 (defun compilation-revert-buffer (ignore-auto noconfirm
)
951 (if (or noconfirm
(yes-or-no-p (format "Restart compilation? ")))
952 (apply 'compile-internal compilation-arguments
)))
954 (defun compilation-setup ()
955 "Prepare the buffer for the compilation parsing commands to work."
956 ;; Make the buffer's mode line show process state.
957 (setq mode-line-process
'(":%s"))
958 (set (make-local-variable 'compilation-error-list
) nil
)
959 (set (make-local-variable 'compilation-old-error-list
) nil
)
960 (set (make-local-variable 'compilation-parsing-end
) (copy-marker 1))
961 (set (make-local-variable 'compilation-directory-stack
)
962 (list default-directory
))
963 (make-local-variable 'compilation-error-screen-columns
)
964 (setq compilation-last-buffer
(current-buffer)))
966 (defvar compilation-shell-minor-mode nil
967 "Non-nil when in `compilation-shell-minor-mode'.
968 In this minor mode, all the error-parsing commands of the
969 Compilation major mode are available but bound to keys that don't
970 collide with Shell mode.")
971 (make-variable-buffer-local 'compilation-shell-minor-mode
)
973 (or (assq 'compilation-shell-minor-mode minor-mode-alist
)
974 (setq minor-mode-alist
975 (cons '(compilation-shell-minor-mode " Shell-Compile")
977 (or (assq 'compilation-shell-minor-mode minor-mode-map-alist
)
978 (setq minor-mode-map-alist
(cons (cons 'compilation-shell-minor-mode
979 compilation-shell-minor-mode-map
)
980 minor-mode-map-alist
)))
982 (defvar compilation-minor-mode nil
983 "Non-nil when in `compilation-minor-mode'.
984 In this minor mode, all the error-parsing commands of the
985 Compilation major mode are available.")
986 (make-variable-buffer-local 'compilation-minor-mode
)
988 (or (assq 'compilation-minor-mode minor-mode-alist
)
989 (setq minor-mode-alist
(cons '(compilation-minor-mode " Compilation")
991 (or (assq 'compilation-minor-mode minor-mode-map-alist
)
992 (setq minor-mode-map-alist
(cons (cons 'compilation-minor-mode
993 compilation-minor-mode-map
)
994 minor-mode-map-alist
)))
997 (defun compilation-shell-minor-mode (&optional arg
)
998 "Toggle compilation shell minor mode.
999 With arg, turn compilation mode on if and only if arg is positive.
1000 See `compilation-mode'.
1001 Turning the mode on runs the normal hook `compilation-shell-minor-mode-hook'."
1003 (if (setq compilation-shell-minor-mode
(if (null arg
)
1004 (null compilation-shell-minor-mode
)
1005 (> (prefix-numeric-value arg
) 0)))
1006 (let ((mode-line-process))
1008 (run-hooks 'compilation-shell-minor-mode-hook
))))
1011 (defun compilation-minor-mode (&optional arg
)
1012 "Toggle compilation minor mode.
1013 With arg, turn compilation mode on if and only if arg is positive.
1014 See `compilation-mode'.
1015 Turning the mode on runs the normal hook `compilation-minor-mode-hook'."
1017 (if (setq compilation-minor-mode
(if (null arg
)
1018 (null compilation-minor-mode
)
1019 (> (prefix-numeric-value arg
) 0)))
1020 (let ((mode-line-process))
1022 (run-hooks 'compilation-minor-mode-hook
))))
1024 (defun compilation-handle-exit (process-status exit-status msg
)
1025 "Write msg in the current buffer and hack its mode-line-process."
1026 (let ((buffer-read-only nil
)
1027 (status (if compilation-exit-message-function
1028 (funcall compilation-exit-message-function
1029 process-status exit-status msg
)
1030 (cons msg exit-status
)))
1033 ;; Record where we put the message, so we can ignore it
1036 (insert ?
\n mode-name
" " (car status
))
1039 (insert " at " (substring (current-time-string) 0 19))
1040 (goto-char (point-max))
1041 (setq mode-line-process
(format ":%s [%s]" process-status
(cdr status
)))
1042 ;; Force mode line redisplay soon.
1043 (force-mode-line-update)
1044 (if (and opoint
(< opoint omax
))
1046 ;; Automatically parse (and mouse-highlight) error messages:
1047 (cond ((eq compile-auto-highlight t
)
1048 (compile-reinitialize-errors nil
(point-max)))
1049 ((numberp compile-auto-highlight
)
1050 (compile-reinitialize-errors nil
1052 (goto-line compile-auto-highlight
)
1054 (if compilation-finish-function
1055 (funcall compilation-finish-function
(current-buffer) msg
))
1056 (let ((functions compilation-finish-functions
))
1058 (funcall (car functions
) (current-buffer) msg
)
1059 (setq functions
(cdr functions
))))))
1061 ;; Called when compilation process changes state.
1062 (defun compilation-sentinel (proc msg
)
1063 "Sentinel for compilation buffers."
1064 (let ((buffer (process-buffer proc
)))
1065 (if (memq (process-status proc
) '(signal exit
))
1067 (if (null (buffer-name buffer
))
1069 (set-process-buffer proc nil
)
1070 (let ((obuf (current-buffer)))
1071 ;; save-excursion isn't the right thing if
1072 ;; process-buffer is current-buffer
1075 ;; Write something in the compilation buffer
1076 ;; and hack its mode line.
1078 (compilation-handle-exit (process-status proc
)
1079 (process-exit-status proc
)
1081 ;; Since the buffer and mode line will show that the
1082 ;; process is dead, we can delete it now. Otherwise it
1083 ;; will stay around until M-x list-processes.
1084 (delete-process proc
))
1085 (set-buffer obuf
))))
1086 (setq compilation-in-progress
(delq proc compilation-in-progress
))
1089 (defun compilation-filter (proc string
)
1090 "Process filter for compilation buffers.
1091 Just inserts the text, but uses `insert-before-markers'."
1092 (if (buffer-name (process-buffer proc
))
1094 (set-buffer (process-buffer proc
))
1095 (let ((buffer-read-only nil
)
1096 (end (marker-position compilation-parsing-end
)))
1098 (goto-char (process-mark proc
))
1099 (insert-before-markers string
)
1100 (set-marker compilation-parsing-end end
) ;don't move it
1101 (run-hooks 'compilation-filter-hook
)
1102 ;; this seems redundant since we insert-before-marks -stefan
1103 ;;(set-marker (process-mark proc) (point))
1106 (defun compile-error-at-point ()
1107 "Return the cdr of `compilation-old-error-list' for error containing point."
1108 (compile-reinitialize-errors nil
(point))
1109 (let ((errors compilation-old-error-list
))
1111 (> (point) (car (car errors
))))
1112 (setq errors
(cdr errors
)))
1115 (defsubst compilation-buffer-p
(buffer)
1118 (or compilation-shell-minor-mode compilation-minor-mode
1119 (eq major-mode
'compilation-mode
))))
1121 (defun compilation-next-error (n)
1122 "Move point to the next error in the compilation buffer.
1123 Prefix arg N says how many error messages to move forwards (or
1124 backwards, if negative).
1125 Does NOT find the source line like \\[next-error]."
1127 (or (compilation-buffer-p (current-buffer))
1128 (error "Not in a compilation buffer"))
1129 (setq compilation-last-buffer
(current-buffer))
1131 (let ((errors (compile-error-at-point)))
1133 ;; Move to the error after the one containing point.
1134 (goto-char (car (if (< n
0)
1136 (e compilation-old-error-list
))
1137 ;; See how many cdrs away ERRORS is from the start.
1138 (while (not (eq e errors
))
1142 (error "Moved back past first error")
1143 (nth (+ i n
) compilation-old-error-list
)))
1144 (let ((compilation-error-list (cdr errors
)))
1145 (compile-reinitialize-errors nil nil n
)
1146 (if compilation-error-list
1147 (nth (1- n
) compilation-error-list
)
1148 (error "Moved past last error"))))))))
1150 (defun compilation-previous-error (n)
1151 "Move point to the previous error in the compilation buffer.
1152 Prefix arg N says how many error messages to move backwards (or
1153 forwards, if negative).
1154 Does NOT find the source line like \\[next-error]."
1156 (compilation-next-error (- n
)))
1159 ;; Given an elt of `compilation-error-list', return an object representing
1160 ;; the referenced file which is equal to (but not necessarily eq to) what
1161 ;; this function would return for another error in the same file.
1162 (defsubst compilation-error-filedata
(data)
1163 (setq data
(cdr data
))
1165 (marker-buffer data
)
1168 ;; Return a string describing a value from compilation-error-filedata.
1169 ;; This value is not necessarily useful as a file name, but should be
1170 ;; indicative to the user of what file's errors are being referred to.
1171 (defsubst compilation-error-filedata-file-name
(filedata)
1172 (if (bufferp filedata
)
1173 (buffer-file-name filedata
)
1176 (defun compilation-next-file (n)
1177 "Move point to the next error for a different file than the current one."
1179 (or (compilation-buffer-p (current-buffer))
1180 (error "Not in a compilation buffer"))
1181 (setq compilation-last-buffer
(current-buffer))
1183 (let ((reversed (< n
0))
1187 (setq errors
(or (compile-error-at-point)
1188 (error "Moved past last error")))
1190 ;; Get a reversed list of the errors up through the one containing point.
1191 (compile-reinitialize-errors nil
(point))
1192 (setq errors
(reverse compilation-old-error-list
)
1195 ;; Ignore errors after point. (car ERRORS) will be the error
1196 ;; containing point, (cadr ERRORS) the one before it.
1198 (< (point) (car (car errors
))))
1199 (setq errors
(cdr errors
))))
1202 (setq filedata
(compilation-error-filedata (car errors
)))
1204 ;; Skip past the following errors for this file.
1205 (while (equal filedata
1206 (compilation-error-filedata
1209 (error "%s the first erring file"
1210 (compilation-error-filedata-file-name
1212 (let ((compilation-error-list nil
))
1214 (compile-reinitialize-errors nil nil
2)
1215 (setq errors compilation-error-list
)))
1216 (error "%s is the last erring file"
1217 (compilation-error-filedata-file-name
1219 (setq errors
(cdr errors
)))
1223 ;; Move to the following error.
1224 (goto-char (car (car (or errors
1226 (error "This is the first erring file")
1227 (let ((compilation-error-list nil
))
1228 ;; Parse the last one.
1229 (compile-reinitialize-errors nil nil
1)
1230 compilation-error-list
))))))))
1232 (defun compilation-previous-file (n)
1233 "Move point to the previous error for a different file than the current one."
1235 (compilation-next-file (- n
)))
1238 (defun kill-compilation ()
1239 "Kill the process made by the \\[compile] command."
1241 (let ((buffer (compilation-find-buffer)))
1242 (if (get-buffer-process buffer
)
1243 (interrupt-process (get-buffer-process buffer
))
1244 (error "The compilation process is not running"))))
1247 ;; Parse any new errors in the compilation buffer,
1248 ;; or reparse from the beginning if the user has asked for that.
1249 (defun compile-reinitialize-errors (reparse
1250 &optional limit-search find-at-least
)
1252 (set-buffer compilation-last-buffer
)
1253 ;; If we are out of errors, or if user says "reparse",
1254 ;; discard the info we have, to force reparsing.
1255 (if (or (eq compilation-error-list t
)
1257 (compilation-forget-errors))
1258 (if (and compilation-error-list
1259 (or (not limit-search
)
1260 (> compilation-parsing-end limit-search
))
1261 (or (not find-at-least
)
1262 (>= (length compilation-error-list
) find-at-least
)))
1263 ;; Since compilation-error-list is non-nil, it points to a specific
1264 ;; error the user wanted. So don't move it around.
1266 ;; This was here for a long time (before my rewrite); why? --roland
1267 ;;(switch-to-buffer compilation-last-buffer)
1268 (set-buffer-modified-p nil
)
1269 (if (< compilation-parsing-end
(point-max))
1270 ;; compilation-error-list might be non-nil if we have a non-nil
1271 ;; LIMIT-SEARCH or FIND-AT-LEAST arg. In that case its value
1272 ;; records the current position in the error list, and we must
1273 ;; preserve that after reparsing.
1274 (let ((error-list-pos compilation-error-list
))
1275 (funcall compilation-parse-errors-function
1278 ;; We only need enough new parsed errors to reach
1279 ;; FIND-AT-LEAST errors past the current
1281 (- find-at-least
(length compilation-error-list
))))
1282 ;; Remember the entire list for compilation-forget-errors. If
1283 ;; this is an incremental parse, append to previous list. If
1284 ;; we are parsing anew, compilation-forget-errors cleared
1285 ;; compilation-old-error-list above.
1286 (setq compilation-old-error-list
1287 (nconc compilation-old-error-list compilation-error-list
))
1289 ;; We started in the middle of an existing list of parsed
1290 ;; errors before parsing more; restore that position.
1291 (setq compilation-error-list error-list-pos
))
1292 ;; Mouse-Highlight (the first line of) each error message when the
1293 ;; mouse pointer moves over it:
1294 (let ((inhibit-read-only t
)
1295 (buffer-undo-list t
)
1297 (error-list compilation-error-list
))
1300 (put-text-property (goto-char (car (car error-list
)))
1301 (progn (end-of-line) (point))
1302 'mouse-face
'highlight
))
1303 (setq error-list
(cdr error-list
))))
1306 (defun compile-mouse-goto-error (event)
1307 "Visit the source for the error message the mouse is pointing at.
1308 This is like `compile-goto-error' called without prefix arg
1309 at the end of the line."
1312 (set-buffer (window-buffer (posn-window (event-end event
))))
1313 (goto-char (posn-point (event-end event
)))
1315 (or (compilation-buffer-p (current-buffer))
1316 (error "Not in a compilation buffer"))
1317 (setq compilation-last-buffer
(current-buffer))
1318 ;; `compile-reinitialize-errors' needs to see the complete filename
1319 ;; on the line where they clicked the mouse. Since it only looks
1320 ;; up to point, moving point to eol makes sure the filename is
1321 ;; visible to `compile-reinitialize-errors'.
1323 (compile-reinitialize-errors nil
(point))
1325 ;; Move to bol; the marker for the error on this line will point there.
1328 ;; Move compilation-error-list to the elt of compilation-old-error-list
1330 (setq compilation-error-list compilation-old-error-list
)
1331 (while (and compilation-error-list
1332 ;; The marker can point nowhere if we previously
1333 ;; failed to find the relevant file. See
1334 ;; compilation-next-error-locus.
1335 (or (null (marker-buffer (caar compilation-error-list
)))
1336 (> (point) (caar compilation-error-list
))))
1337 (setq compilation-error-list
(cdr compilation-error-list
)))
1338 (or compilation-error-list
1339 (error "No error to go to")))
1340 (select-window (posn-window (event-end event
)))
1345 (defun compile-goto-error (&optional argp
)
1346 "Visit the source for the error message point is on.
1347 Use this command in a compilation log buffer. Sets the mark at point there.
1348 \\[universal-argument] as a prefix arg means to reparse the buffer's error messages first;
1349 other kinds of prefix arguments are ignored."
1351 (or (compilation-buffer-p (current-buffer))
1352 (error "Not in a compilation buffer"))
1353 (setq compilation-last-buffer
(current-buffer))
1354 (compile-reinitialize-errors (consp argp
) (point))
1356 ;; Move to bol; the marker for the error on this line will point there.
1359 ;; Move compilation-error-list to the elt of compilation-old-error-list
1361 (setq compilation-error-list compilation-old-error-list
)
1362 (while (and compilation-error-list
1363 ;; The marker can point nowhere if we previously
1364 ;; failed to find the relevant file. See
1365 ;; compilation-next-error-locus.
1366 (or (null (marker-buffer (caar compilation-error-list
)))
1367 (> (point) (caar compilation-error-list
))))
1368 (setq compilation-error-list
(cdr compilation-error-list
)))
1373 ;; Return a compilation buffer.
1374 ;; If the current buffer is a compilation buffer, return it.
1375 ;; If compilation-last-buffer is set to a live buffer, use that.
1376 ;; Otherwise, look for a compilation buffer and signal an error
1377 ;; if there are none.
1378 (defun compilation-find-buffer (&optional other-buffer
)
1379 (if (and (not other-buffer
)
1380 (compilation-buffer-p (current-buffer)))
1381 ;; The current buffer is a compilation buffer.
1383 (if (and compilation-last-buffer
(buffer-name compilation-last-buffer
)
1384 (compilation-buffer-p compilation-last-buffer
)
1385 (or (not other-buffer
) (not (eq compilation-last-buffer
1386 (current-buffer)))))
1387 compilation-last-buffer
1388 (let ((buffers (buffer-list)))
1389 (while (and buffers
(or (not (compilation-buffer-p (car buffers
)))
1391 (eq (car buffers
) (current-buffer)))))
1392 (setq buffers
(cdr buffers
)))
1395 (or (and other-buffer
1396 (compilation-buffer-p (current-buffer))
1397 ;; The current buffer is a compilation buffer.
1400 (message "This is the only compilation buffer."))
1402 (error "No compilation started!")))))))
1405 (defun next-error (&optional argp
)
1406 "Visit next compilation error message and corresponding source code.
1408 If all the error messages parsed so far have been processed already,
1409 the message buffer is checked for new ones.
1411 A prefix ARGP specifies how many error messages to move;
1412 negative means move back to previous error messages.
1413 Just \\[universal-argument] as a prefix means reparse the error message buffer
1414 and start at the first error.
1416 \\[next-error] normally uses the most recently started compilation or
1417 grep buffer. However, it can operate on any buffer with output from
1418 the \\[compile] and \\[grep] commands, or, more generally, on any
1419 buffer in Compilation mode or with Compilation Minor mode enabled. To
1420 specify use of a particular buffer for error messages, type
1421 \\[next-error] in that buffer.
1423 Once \\[next-error] has chosen the buffer for error messages,
1424 it stays with that buffer until you use it in some other buffer which
1425 uses Compilation mode or Compilation Minor mode.
1427 See variables `compilation-parse-errors-function' and
1428 \`compilation-error-regexp-alist' for customization ideas."
1430 (setq compilation-last-buffer
(compilation-find-buffer))
1431 (compilation-goto-locus (compilation-next-error-locus
1432 ;; We want to pass a number here only if
1433 ;; we got a numeric prefix arg, not just C-u.
1434 (and (not (consp argp
))
1435 (prefix-numeric-value argp
))
1437 ;;;###autoload (define-key ctl-x-map "`" 'next-error)
1439 (defun previous-error ()
1440 "Visit previous compilation error message and corresponding source code.
1441 This operates on the output from the \\[compile] command."
1445 (defun first-error ()
1446 "Reparse the error message buffer and start at the first error.
1447 Visit corresponding source code.
1448 This operates on the output from the \\[compile] command."
1452 (defvar compilation-skip-to-next-location nil
1453 "*If non-nil, skip multiple error messages for the same source location.")
1455 (defun compilation-next-error-locus (&optional move reparse silent
)
1456 "Visit next compilation error and return locus in corresponding source code.
1457 This operates on the output from the \\[compile] command.
1458 If all preparsed error messages have been processed,
1459 the error message buffer is checked for new ones.
1461 Returns a cons (ERROR . SOURCE) of two markers: ERROR is a marker at the
1462 location of the error message in the compilation buffer, and SOURCE is a
1463 marker at the location in the source code indicated by the error message.
1465 Optional first arg MOVE says how many error messages to move forwards (or
1466 backwards, if negative); default is 1. Optional second arg REPARSE, if
1467 non-nil, says to reparse the error message buffer and reset to the first
1468 error (plus MOVE - 1). If optional third argument SILENT is non-nil, return
1469 nil instead of raising an error if there are no more errors.
1471 The current buffer should be the desired compilation output buffer."
1472 (or move
(setq move
1))
1473 (compile-reinitialize-errors reparse nil
(and (not reparse
) (max 0 move
)))
1474 (let (next-errors next-error
)
1475 (catch 'no-next-error
1477 (set-buffer compilation-last-buffer
)
1478 ;; compilation-error-list points to the "current" error.
1482 compilation-error-list
)
1483 ;; Zero or negative arg; we need to move back in the list.
1486 (e compilation-old-error-list
))
1487 ;; See how many cdrs away the current error is from the start.
1488 (while (not (eq e compilation-error-list
))
1492 (error "Moved back past first error")
1493 (nthcdr (+ i n
) compilation-old-error-list
))))
1494 next-error
(car next-errors
))
1496 (if (null next-error
)
1498 (and move
(/= move
1)
1499 (error (if (> move
0)
1500 "Moved past last error")
1501 "Moved back past first error"))
1502 ;; Forget existing error messages if compilation has finished.
1503 (if (not (and (get-buffer-process (current-buffer))
1508 (compilation-forget-errors))
1510 (throw 'no-next-error nil
)
1511 (error (concat compilation-error-message
1512 (and (get-buffer-process (current-buffer))
1518 (setq compilation-error-list
(cdr next-errors
))
1519 (if (null (cdr next-error
))
1520 ;; This error is boring. Go to the next.
1522 (or (markerp (cdr next-error
))
1523 ;; This error has a filename/lineno pair.
1524 ;; Find the file and turn it into a marker.
1525 (let* ((fileinfo (car (cdr next-error
)))
1526 (buffer (apply 'compilation-find-file
1527 (car next-error
) fileinfo
)))
1529 ;; We can't find this error's file.
1530 ;; Remove all errors in the same file.
1532 (setq next-errors compilation-old-error-list
)
1534 (and (consp (cdr (car next-errors
)))
1535 (equal (car (cdr (car next-errors
)))
1538 (set-marker (car (car next-errors
)) nil
)
1539 (setcdr (car next-errors
) nil
)))
1540 (setq next-errors
(cdr next-errors
)))
1541 ;; Look for the next error.
1543 ;; We found the file. Get a marker for this error.
1544 ;; compilation-old-error-list and
1545 ;; compilation-error-screen-columns are buffer-local
1546 ;; so we must be careful to extract their value
1547 ;; before switching to the source file buffer.
1548 (let ((errors compilation-old-error-list
)
1549 (columns compilation-error-screen-columns
)
1550 (last-line (nth 1 (cdr next-error
)))
1551 (column (nth 2 (cdr next-error
))))
1556 (goto-line last-line
)
1557 (if (and column
(> column
0))
1558 ;; Columns in error msgs are 1-origin.
1560 (move-to-column (1- column
))
1561 (forward-char (1- column
)))
1562 (beginning-of-line))
1563 (setcdr next-error
(point-marker))
1564 ;; Make all the other error messages referring
1565 ;; to the same file have markers into the buffer.
1567 (and (consp (cdr (car errors
)))
1568 (equal (car (cdr (car errors
))) fileinfo
)
1569 (let* ((this (nth 1 (cdr (car errors
))))
1570 (column (nth 2 (cdr (car errors
))))
1571 (lines (- this last-line
)))
1572 (if (eq selective-display t
)
1573 ;; When selective-display is t,
1574 ;; each C-m is a line boundary,
1575 ;; as well as each newline.
1577 (re-search-backward "[\n\C-m]"
1580 (re-search-forward "[\n\C-m]"
1583 (forward-line lines
))
1584 (if (and column
(> column
1))
1586 (move-to-column (1- column
))
1587 (forward-char (1- column
)))
1588 (beginning-of-line))
1589 (setq last-line this
)
1590 (setcdr (car errors
) (point-marker))))
1591 (setq errors
(cdr errors
)))))))))
1592 ;; If we didn't get a marker for this error, or this
1593 ;; marker's buffer was killed, go on to the next one.
1594 (or (not (markerp (cdr next-error
)))
1595 (not (marker-buffer (cdr next-error
))))))
1596 (setq next-errors compilation-error-list
1597 next-error
(car next-errors
)))))
1599 (if compilation-skip-to-next-location
1600 ;; Skip over multiple error messages for the same source location,
1601 ;; so the next C-x ` won't go to an error in the same place.
1602 (while (and compilation-error-list
1603 (equal (cdr (car compilation-error-list
))
1605 (setq compilation-error-list
(cdr compilation-error-list
))))
1607 ;; We now have a marker for the position of the error source code.
1608 ;; NEXT-ERROR is a cons (ERROR . SOURCE) of two markers.
1611 (defun compilation-goto-locus (next-error)
1612 "Jump to an error locus returned by `compilation-next-error-locus'.
1613 Takes one argument, a cons (ERROR . SOURCE) of two markers.
1614 Selects a window with point at SOURCE, with another window displaying ERROR."
1615 (if (eq (window-buffer (selected-window))
1616 (marker-buffer (car next-error
)))
1617 ;; If the compilation buffer window is selected,
1618 ;; keep the compilation buffer in this window;
1619 ;; display the source in another window.
1620 (let ((pop-up-windows t
))
1621 (pop-to-buffer (marker-buffer (cdr next-error
))))
1622 (if (and (window-dedicated-p (selected-window))
1623 (eq (selected-window) (frame-root-window)))
1624 (switch-to-buffer-other-frame (marker-buffer (cdr next-error
)))
1625 (switch-to-buffer (marker-buffer (cdr next-error
)))))
1626 (goto-char (cdr next-error
))
1627 ;; If narrowing got in the way of
1628 ;; going to the right place, widen.
1629 (or (= (point) (marker-position (cdr next-error
)))
1632 (goto-char (cdr next-error
))))
1633 ;; If hideshow got in the way of
1634 ;; seeing the right place, open permanently.
1635 (mapcar (function (lambda (ov)
1636 (when (eq 'hs
(overlay-get ov
'invisible
))
1638 (goto-char (cdr next-error
)))))
1639 (overlays-at (point)))
1641 ;; Show compilation buffer in other window, scrolled to this error.
1642 (let* ((pop-up-windows t
)
1643 ;; Use an existing window if it is in a visible frame.
1644 (w (or (get-buffer-window (marker-buffer (car next-error
)) 'visible
)
1646 (display-buffer (marker-buffer (car next-error
))))))
1647 (set-window-point w
(car next-error
))
1648 (set-window-start w
(car next-error
))
1649 (compilation-set-window-height w
)))
1651 (defun compilation-find-file (marker filename dir
&rest formats
)
1652 "Find a buffer for file FILENAME.
1653 Search the directories in `compilation-search-path'.
1654 A nil in `compilation-search-path' means to try the
1655 current directory, which is passed in DIR.
1656 If FILENAME is not found at all, ask the user where to find it.
1657 Pop up the buffer containing MARKER and scroll to MARKER if we ask the user."
1658 (or formats
(setq formats
'("%s")))
1660 (let ((dirs compilation-search-path
)
1661 buffer thisdir fmts name
)
1662 (if (file-name-absolute-p filename
)
1663 ;; The file name is absolute. Use its explicit directory as
1664 ;; the first in the search path, and strip it from FILENAME.
1665 (setq filename
(abbreviate-file-name (expand-file-name filename
))
1666 dirs
(cons (file-name-directory filename
) dirs
)
1667 filename
(file-name-nondirectory filename
)))
1668 ;; Now search the path.
1669 (while (and dirs
(null buffer
))
1670 (setq thisdir
(or (car dirs
) dir
)
1672 ;; For each directory, try each format string.
1673 (while (and fmts
(null buffer
))
1674 (setq name
(expand-file-name (format (car fmts
) filename
) thisdir
)
1675 buffer
(and (file-exists-p name
)
1676 (find-file-noselect name
))
1678 (setq dirs
(cdr dirs
)))
1680 ;; The file doesn't exist.
1681 ;; Ask the user where to find it.
1682 ;; If he hits C-g, then the next time he does
1683 ;; next-error, he'll skip past it.
1684 (let* ((pop-up-windows t
)
1685 (w (display-buffer (marker-buffer marker
))))
1686 (set-window-point w marker
)
1687 (set-window-start w marker
)
1688 (let ((name (expand-file-name
1690 (format "Find this error in: (default %s) "
1693 (if (file-directory-p name
)
1694 (setq name
(expand-file-name filename name
)))
1695 (setq buffer
(and (file-exists-p name
)
1696 (find-file name
))))))
1697 ;; Make intangible overlays tangible.
1698 (mapcar (function (lambda (ov)
1699 (when (overlay-get ov
'intangible
)
1700 (overlay-put ov
'intangible nil
))))
1701 (overlays-in (point-min) (point-max)))
1705 ;; Set compilation-error-list to nil, and unchain the markers that point to the
1706 ;; error messages and their text, so that they no longer slow down gap motion.
1707 ;; This would happen anyway at the next garbage collection, but it is better to
1708 ;; do it right away.
1709 (defun compilation-forget-errors ()
1710 (while compilation-old-error-list
1711 (let ((next-error (car compilation-old-error-list
)))
1712 (set-marker (car next-error
) nil
)
1713 (if (markerp (cdr next-error
))
1714 (set-marker (cdr next-error
) nil
)))
1715 (setq compilation-old-error-list
(cdr compilation-old-error-list
)))
1716 (setq compilation-error-list nil
1717 compilation-directory-stack
(list default-directory
))
1718 (set-marker compilation-parsing-end
1)
1719 ;; Remove the highlighting added by compile-reinitialize-errors:
1720 (let ((inhibit-read-only t
)
1721 (buffer-undo-list t
)
1723 (remove-text-properties (point-min) (point-max) '(mouse-face highlight
)))
1727 ;; This function is not needed any more by compilation mode.
1728 ;; Does anyone else need it or can it be deleted?
1729 (defun count-regexp-groupings (regexp)
1730 "Return the number of \\( ... \\) groupings in REGEXP (a string)."
1732 (len (length regexp
))
1736 (setq c
(aref regexp i
)
1739 ;; Find the end of this [...].
1740 (while (and (< i len
)
1741 (not (= (aref regexp i
) ?\
])))
1746 (setq c
(aref regexp i
)
1749 ;; We found the end of a grouping,
1750 ;; so bump our counter.
1751 (setq groupings
(1+ groupings
))))))))
1754 (defvar compilation-current-file nil
1755 "Used by `compilation-parse-errors' to store filename for file being compiled.")
1757 ;; This variable is not used as a global variable. It's defined here just to
1758 ;; shut up the byte compiler. It's bound and used by compilation-parse-errors
1759 ;; and set by compile-collect-regexps.
1760 (defvar compilation-regexps nil
)
1762 (defun compilation-parse-errors (limit-search find-at-least
)
1763 "Parse the current buffer as grep, cc, lint or other error messages.
1764 See variable `compilation-parse-errors-function' for the interface it uses."
1765 (setq compilation-error-list nil
)
1766 (message "Parsing error messages...")
1767 (if (null compilation-error-regexp-alist
)
1768 (error "compilation-error-regexp-alist is empty!"))
1769 (let* ((compilation-regexps nil
) ; Variable set by compile-collect-regexps.
1770 (default-directory (car compilation-directory-stack
))
1772 (compilation-num-errors-found 0)
1773 ;; Set up now the expanded, abbreviated directory variables
1774 ;; that compile-abbreviate-directory will need, so we can
1775 ;; compute them just once here.
1776 (orig (abbreviate-file-name default-directory
))
1777 (orig-expanded (abbreviate-file-name
1778 (file-truename default-directory
)))
1779 (parent-expanded (abbreviate-file-name
1780 (expand-file-name "../" orig-expanded
))))
1782 ;; Make a list of all the regexps. Each element has the form
1783 ;; (REGEXP TYPE IDX1 IDX2 ...)
1784 ;; where TYPE is one of leave, enter, file, error or nomessage.
1785 (compile-collect-regexps 'leave compilation-leave-directory-regexp-alist
)
1786 (compile-collect-regexps 'enter compilation-enter-directory-regexp-alist
)
1787 (compile-collect-regexps 'file compilation-file-regexp-alist
)
1788 (compile-collect-regexps 'error compilation-error-regexp-alist
)
1789 (compile-collect-regexps 'nomessage compilation-nomessage-regexp-alist
)
1791 ;; Don't reparse messages already seen at last parse.
1792 (goto-char compilation-parsing-end
)
1794 (compilation-buffer-p (current-buffer)))
1795 (setq compilation-current-file nil
) ; No current file at start.
1796 ;; Don't parse the first two lines as error messages.
1797 ;; This matters for grep.
1801 (while (not (or found-desired
(eobp)))
1802 (let ((this compilation-regexps
) (prev nil
) (alist nil
) type
)
1803 ;; Go through the regular expressions. If a match is found,
1804 ;; variable alist is set to the corresponding alist and the
1805 ;; matching regexp is moved to the front of compilation-regexps
1806 ;; to make it match faster next time.
1807 (while (and this
(null alist
))
1808 (if (not (looking-at (car (car this
))))
1809 (progn (setq prev this
) ; No match, go to next.
1810 (setq this
(cdr this
)))
1811 (setq alist
(cdr (car this
))) ; Got a match.
1812 ;;; (if prev ; If not the first regexp,
1813 ;;; (progn ; move it to the front.
1814 ;;; (setcdr prev (cdr this))
1815 ;;; (setcdr this compilation-regexps)
1816 ;;; (setq compilation-regexps this)))
1818 (if (and alist
; Seen a match and not to
1819 (not (eq (setq type
(car alist
)) 'nomessage
))) ; be ignored.
1820 (let* ((end-of-match (match-end 0))
1822 (compile-buffer-substring (car (setq alist
(cdr alist
)))))
1824 (if (eq type
'error
) ; error message
1825 (let* ((linenum (if (numberp (car (setq alist
(cdr alist
))))
1827 (compile-buffer-substring (car alist
)))
1828 ;; (car alist) is not a number, must be a
1829 ;; function that is called below to return
1830 ;; an error position descriptor.
1832 ;; Convert to integer later if linenum not a function.
1833 (column (compile-buffer-substring
1834 (car (setq alist
(cdr alist
)))))
1837 ;; Check that we have a file name.
1839 ;; No file name in message, we must have seen it before
1840 (setq filename compilation-current-file
)
1842 An error message with no file name and no file name has been seen earlier"))
1844 ;; Check for a comint-file-name-prefix and prepend it if
1845 ;; appropriate. (This is very useful for
1846 ;; compilation-minor-mode in an rlogin-mode buffer.)
1847 (and (boundp 'comint-file-name-prefix
)
1848 ;; If file name is relative, default-directory will
1849 ;; already contain the comint-file-name-prefix (done
1850 ;; by compile-abbreviate-directory).
1851 (file-name-absolute-p filename
)
1853 (concat comint-file-name-prefix filename
)))
1855 ;; Some compilers (e.g. Sun's java compiler, reportedly)
1856 ;; produce bogus file names like "./bar//foo.c" for file
1857 ;; "bar/foo.c"; expand-file-name will collapse these into
1858 ;; "/foo.c" and fail to find the appropriate file. So we
1859 ;; look for doubled slashes in the file name and fix them
1860 ;; up in the buffer.
1861 (setq filename
(command-line-normalize-file-name filename
))
1864 (cons filename
(cons default-directory
(cdr alist
))))
1866 ;; Locate the erring file and line.
1867 ;; Make this-error a new elt for compilation-error-list,
1868 ;; giving a marker for the current compilation buffer
1869 ;; location, and the file and line number of the error.
1870 ;; Save, as the start of the error, the beginning of the
1871 ;; line containing the match.
1873 (if (numberp linenum
)
1874 (list (point-marker) filename linenum
1875 (and column
(string-to-int column
)))
1876 ;; If linenum is not a number then it must be
1877 ;; a function returning an error position
1878 ;; descriptor or nil (meaning no position).
1880 (funcall linenum filename column
))))
1882 ;; We have an error position descriptor.
1883 ;; If we have found as many new errors as the user
1884 ;; wants, or if we are past the buffer position he
1885 ;; indicated, then we continue to parse until we have
1886 ;; seen all consecutive errors in the same file. This
1887 ;; means that all the errors of a source file will be
1888 ;; seen in one parsing run, so that the error positions
1889 ;; will be recorded as markers in the source file
1890 ;; buffer that will move when the buffer is changed.
1892 compilation-error-list
; At least one previous.
1893 (or (and find-at-least
1894 (>= compilation-num-errors-found
1897 (>= end-of-match limit-search
)))
1898 (not (equal ; Same filename?
1899 (car (cdr (car compilation-error-list
)))
1900 (car (cdr this-error
)))))
1901 ;; We are past the limits and the last error
1902 ;; parsed, didn't belong to the same source file
1903 ;; as the earlier ones i.e. we have seen all the
1904 ;; errors belonging to the earlier file. We don't
1905 ;; add the error just parsed so that the next
1906 ;; parsing run can get it and the following errors
1907 ;; in the same file all at once.
1908 (setq found-desired t
)
1910 (goto-char end-of-match
) ; Prepare for next message.
1911 ;; Don't add the same source line more than once.
1914 compilation-error-list
1915 (equal (cdr (car compilation-error-list
))
1917 (setq compilation-error-list
1918 (cons this-error compilation-error-list
)
1919 compilation-num-errors-found
1920 (1+ compilation-num-errors-found
)))))
1922 ;; Not an error message.
1923 (if (eq type
`file
) ; Change current file.
1924 (and filename
(setq compilation-current-file filename
))
1925 ;; Enter or leave directory.
1926 (setq stack compilation-directory-stack
)
1930 ;; The directory name in the message
1931 ;; is a truename. Try to convert it to a form
1932 ;; like what the user typed in.
1933 (compile-abbreviate-directory
1934 (file-name-as-directory
1935 (expand-file-name filename
))
1936 orig orig-expanded parent-expanded
)))
1937 (if (eq type
'leave
)
1939 (not (string-equal (car stack
)
1941 (setq stack
(cdr stack
)))
1942 (setq compilation-directory-stack
1943 (cons filename compilation-directory-stack
)
1944 default-directory filename
)))
1945 (and (eq type
'leave
)
1947 (setq compilation-directory-stack
(cdr stack
))
1948 (setq stack
(car compilation-directory-stack
))
1949 (setq default-directory stack
)))
1950 (goto-char end-of-match
) ; Prepare to look at next message.
1951 (and limit-search
(>= end-of-match limit-search
)
1952 ;; The user wanted a specific error, and we're past it.
1953 ;; We do this check here rather than at the end of the
1954 ;; loop because if the last thing seen is an error
1955 ;; message, we must carefully discard the last error
1956 ;; when it is the first in a new file (see above in
1957 ;; the error-message case)
1958 (setq found-desired t
)))
1960 ;; Go to before the last character in the message so that we will
1961 ;; see the next line also when the message ended at end of line.
1962 ;; When we ignore the last error message above, this will
1963 ;; cancel the effect of forward-line below so that point
1967 ;; Is this message necessary any more? Parsing is now so fast
1968 ;; that you might not need to know how it proceeds.
1970 "Parsing error messages...%d found. %.0f%% of buffer seen."
1971 compilation-num-errors-found
1972 ;; Use floating-point because (* 100 (point)) frequently
1973 ;; exceeds the range of Emacs Lisp integers.
1974 (/ (* 100.0 (point)) (point-max)))
1977 (forward-line 1))) ; End of while loop. Look at next line.
1979 (set-marker compilation-parsing-end
(point))
1980 (setq compilation-error-list
(nreverse compilation-error-list
))
1981 ;;; (message "Parsing error messages...done. %d found. %.0f%% of buffer seen."
1982 ;;; compilation-num-errors-found
1983 ;;; (/ (* 100.0 (point)) (point-max)))
1984 (message "Parsing error messages...done.")))
1986 (defun compile-collect-regexps (type this
)
1987 ;; Add elements to variable compilation-regexps that is bound in
1988 ;; compilation-parse-errors.
1989 (and (not (eq this t
))
1991 (push (cons (car el
) (cons type
(cdr el
))) compilation-regexps
))))
1993 (defun compile-buffer-substring (index)
1994 "Get substring matched by INDEXth subexpression."
1996 (let ((beg (match-beginning index
)))
1997 (if beg
(buffer-substring beg
(match-end index
))))))
1999 ;; If directory DIR is a subdir of ORIG or of ORIG's parent,
2000 ;; return a relative name for it starting from ORIG or its parent.
2001 ;; ORIG-EXPANDED is an expanded version of ORIG.
2002 ;; PARENT-EXPANDED is an expanded version of ORIG's parent.
2003 ;; Those two args could be computed here, but we run faster by
2004 ;; having the caller compute them just once.
2005 (defun compile-abbreviate-directory (dir orig orig-expanded parent-expanded
)
2006 ;; Apply canonical abbreviations to DIR first thing.
2007 ;; Those abbreviations are already done in the other arguments passed.
2008 (setq dir
(abbreviate-file-name dir
))
2010 ;; Check for a comint-file-name-prefix and prepend it if appropriate.
2011 ;; (This is very useful for compilation-minor-mode in an rlogin-mode
2013 (if (boundp 'comint-file-name-prefix
)
2014 (setq dir
(concat comint-file-name-prefix dir
)))
2016 (if (and (> (length dir
) (length orig-expanded
))
2017 (string= orig-expanded
2018 (substring dir
0 (length orig-expanded
))))
2021 (substring dir
(length orig-expanded
)))))
2022 (if (and (> (length dir
) (length parent-expanded
))
2023 (string= parent-expanded
2024 (substring dir
0 (length parent-expanded
))))
2026 (concat (file-name-directory
2027 (directory-file-name orig
))
2028 (substring dir
(length parent-expanded
)))))
2031 (add-to-list 'debug-ignored-errors
"^No more errors\\( yet\\|\\)$")
2035 ;;; compile.el ends here