(minibuffer-local-map): Rebind TAB so it inserts a \t.
[bpt/emacs.git] / lisp / progmodes / compile.el
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55535639 1;;; compile.el --- run compiler as inferior of Emacs, parse error messages
fad160d5 2
930a3e46 3;; Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
d91362c9 4;; 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
3a801d0c 5
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6;; Authors: Roland McGrath <roland@gnu.org>,
7;; Daniel Pfeiffer <occitan@esperanto.org>
d1c7011d 8;; Maintainer: FSF
e9571d2a 9;; Keywords: tools, processes
d1c7011d 10
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11;; This file is part of GNU Emacs.
12
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13;; GNU Emacs is free software; you can redistribute it and/or modify
14;; it under the terms of the GNU General Public License as published by
15;; the Free Software Foundation; either version 2, or (at your option)
16;; any later version.
17
55dfd2c4 18;; GNU Emacs is distributed in the hope that it will be useful,
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19;; but WITHOUT ANY WARRANTY; without even the implied warranty of
20;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21;; GNU General Public License for more details.
22
23;; You should have received a copy of the GNU General Public License
b578f267 24;; along with GNU Emacs; see the file COPYING. If not, write to the
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25;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
26;; Boston, MA 02110-1301, USA.
55dfd2c4 27
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28;;; Commentary:
29
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30;; This package provides the compile facilities documented in the Emacs user's
31;; manual.
5cc57841 32
c536bb39 33;; This mode uses some complex data-structures:
7837c247 34
c536bb39 35;; LOC (or location) is a list of (COLUMN LINE FILE-STRUCTURE)
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36
37;; COLUMN and LINE are numbers parsed from an error message. COLUMN and maybe
38;; LINE will be nil for a message that doesn't contain them. Then the
39;; location refers to a indented beginning of line or beginning of file.
40;; Once any location in some file has been jumped to, the list is extended to
41;; (COLUMN LINE FILE-STRUCTURE MARKER . VISITED) for all LOCs pertaining to
42;; that file.
43;; MARKER initially points to LINE and COLUMN in a buffer visiting that file.
44;; Being a marker it sticks to some text, when the buffer grows or shrinks
45;; before that point. VISITED is t if we have jumped there, else nil.
46
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47;; FILE-STRUCTURE is a list of
48;; ((FILENAME . DIRECTORY) FORMATS (LINE LOC ...) ...)
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49
50;; FILENAME is a string parsed from an error message. DIRECTORY is a string
51;; obtained by following directory change messages. DIRECTORY will be nil for
52;; an absolute filename. FORMATS is a list of formats to apply to FILENAME if
53;; a file of that name can't be found.
54;; The rest of the list is an alist of elements with LINE as key. The keys
55;; are either nil or line numbers. If present, nil comes first, followed by
56;; the numbers in decreasing order. The LOCs for each line are again an alist
57;; ordered the same way. Note that the whole file structure is referenced in
58;; every LOC.
59
c536bb39 60;; MESSAGE is a list of (LOC TYPE END-LOC)
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61
62;; TYPE is 0 for info or 1 for warning if the message matcher identified it as
63;; such, 2 otherwise (for a real error). END-LOC is a LOC pointing to the
64;; other end, if the parsed message contained a range. If the end of the
65;; range didn't specify a COLUMN, it defaults to -1, meaning end of line.
66;; These are the value of the `message' text-properties in the compilation
67;; buffer.
68
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69;;; Code:
70
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71(eval-when-compile (require 'cl))
72
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73(defvar font-lock-extra-managed-props)
74(defvar font-lock-keywords)
75(defvar font-lock-maximum-size)
76(defvar font-lock-support-mode)
77
78
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79(defgroup compilation nil
80 "Run compiler as inferior of Emacs, parse error messages."
81 :group 'tools
82 :group 'processes)
83
84
7c163413 85;;;###autoload
c5049fa0 86(defcustom compilation-mode-hook nil
2894bd96 87 "*List of hook functions run by `compilation-mode' (see `run-mode-hooks')."
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88 :type 'hook
89 :group 'compilation)
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90
91;;;###autoload
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92(defcustom compilation-window-height nil
93 "*Number of lines in a compilation window. If nil, use Emacs default."
94 :type '(choice (const :tag "Default" nil)
95 integer)
96 :group 'compilation)
d3cb357b 97
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98(defvar compilation-first-column 1
99 "*This is how compilers number the first column, usually 1 or 0.")
55dfd2c4 100
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101(defvar compilation-parse-errors-filename-function nil
102 "Function to call to post-process filenames while parsing error messages.
103It takes one arg FILENAME which is the name of a file as found
104in the compilation output, and should return a transformed file name.")
105
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106;;;###autoload
107(defvar compilation-process-setup-function nil
108 "*Function to call to customize the compilation process.
6f5b7627 109This function is called immediately before the compilation process is
49683a13 110started. It can be used to set any variables or functions that are used
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111while processing the output of the compilation process. The function
112is called with variables `compilation-buffer' and `compilation-window'
7837c247 113bound to the compilation buffer and window, respectively.")
49683a13 114
aa228418 115;;;###autoload
d3cb357b 116(defvar compilation-buffer-name-function nil
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117 "Function to compute the name of a compilation buffer.
118The function receives one argument, the name of the major mode of the
119compilation buffer. It should return a string.
120nil means compute the name with `(concat \"*\" (downcase major-mode) \"*\")'.")
55dfd2c4 121
aa228418 122;;;###autoload
d3cb357b 123(defvar compilation-finish-function nil
c5049fa0 124 "Function to call when a compilation process finishes.
d3cb357b 125It is called with two arguments: the compilation buffer, and a string
620d3304 126describing how the process finished.")
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127
128(make-obsolete-variable 'compilation-finish-function
129 "Use `compilation-finish-functions', but it works a little differently."
130 "22.1")
55dfd2c4 131
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132;;;###autoload
133(defvar compilation-finish-functions nil
c5049fa0 134 "Functions to call when a compilation process finishes.
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135Each function is called with two arguments: the compilation buffer,
136and a string describing how the process finished.")
137
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138(defvar compilation-in-progress nil
139 "List of compilation processes now running.")
140(or (assq 'compilation-in-progress minor-mode-alist)
141 (setq minor-mode-alist (cons '(compilation-in-progress " Compiling")
142 minor-mode-alist)))
143
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144(defvar compilation-error "error"
145 "Stem of message to print when no matches are found.")
6c43f2f9 146
58856335 147(defvar compilation-arguments nil
7837c247 148 "Arguments that were given to `compilation-start'.")
58856335 149
6c43f2f9 150(defvar compilation-num-errors-found)
d3cb357b 151
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152(defconst compilation-error-regexp-alist-alist
153 '((absoft
154 "^\\(?:[Ee]rror on \\|[Ww]arning on\\( \\)\\)?[Ll]ine[ \t]+\\([0-9]+\\)[ \t]+\
155of[ \t]+\"?\\([a-zA-Z]?:?[^\":\n]+\\)\"?:" 3 2 nil (1))
5dfa3d35 156
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157 (ada
158 "\\(warning: .*\\)? at \\([^ \n]+\\):\\([0-9]+\\)$" 2 3 nil (1))
c7c5bbc0 159
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160 (aix
161 " in line \\([0-9]+\\) of file \\([^ \n]+[^. \n]\\)\\.? " 2 1)
e1f540f2 162
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163 (ant
164 "^[ \t]*\\[[^] \n]+\\][ \t]*\\([^: \n]+\\):\\([0-9]+\\):\\(?:\\([0-9]+\\):[0-9]+:[0-9]+:\\)?\
165\\( warning\\)?" 1 2 3 (4))
e1f540f2 166
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167 (bash
168 "^\\([^: \n\t]+\\): line \\([0-9]+\\):" 1 2)
e1f540f2 169
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170 (borland
171 "^\\(?:Error\\|Warnin\\(g\\)\\) \\(?:[FEW][0-9]+ \\)?\
172\\([a-zA-Z]?:?[^:( \t\n]+\\)\
173 \\([0-9]+\\)\\(?:[) \t]\\|:[^0-9\n]\\)" 2 3 nil (1))
174
175 (caml
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176 "^ *File \\(\"?\\)\\([^,\" \n\t<>]+\\)\\1, lines? \\([0-9]+\\)-?\\([0-9]+\\)?\\(?:$\\|,\
177\\(?: characters? \\([0-9]+\\)-?\\([0-9]+\\)?:\\)?\\([ \n]Warning:\\)?\\)"
178 2 (3 . 4) (5 . 6) (7))
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179
180 (comma
181 "^\"\\([^,\" \n\t]+\\)\", line \\([0-9]+\\)\
182\\(?:[(. pos]+\\([0-9]+\\))?\\)?[:.,; (-]\\( warning:\\|[-0-9 ]*(W)\\)?" 1 2 3 (4))
183
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184 (edg-1
185 "^\\([^ \n]+\\)(\\([0-9]+\\)): \\(?:error\\|warnin\\(g\\)\\|remar\\(k\\)\\)"
186 1 2 nil (3 . 4))
187 (edg-2
188 "at line \\([0-9]+\\) of \"\\([^ \n]+\\)\"$"
189 2 1 nil 0)
190
7837c247 191 (epc
c39bf546 192 "^Error [0-9]+ at (\\([0-9]+\\):\\([^)\n]+\\))" 2 1)
7837c247 193
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194 (ftnchek
195 "\\(^Warning .*\\)? line[ \n]\\([0-9]+\\)[ \n]\\(?:col \\([0-9]+\\)[ \n]\\)?file \\([^ :;\n]+\\)"
196 4 2 3 (1))
9fcabe79 197
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198 (iar
199 "^\"\\(.*\\)\",\\([0-9]+\\)\\s-+\\(?:Error\\|Warnin\\(g\\)\\)\\[[0-9]+\\]:"
200 1 2 nil (3))
201
202 (ibm
203 "^\\([^( \n\t]+\\)(\\([0-9]+\\):\\([0-9]+\\)) :\
204 \\(?:warnin\\(g\\)\\|informationa\\(l\\)\\)?" 1 2 3 (4 . 5))
205
6f5b7627 206 ;; fixme: should be `mips'
7837c247 207 (irix
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208 "^[-[:alnum:]_/ ]+: \\(?:\\(?:[sS]evere\\|[eE]rror\\|[wW]arnin\\(g\\)\\|[iI]nf\\(o\\)\\)[0-9 ]*: \\)?\
209\\([^,\" \n\t]+\\)\\(?:, line\\|:\\) \\([0-9]+\\):" 3 4 nil (1 . 2))
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210
211 (java
212 "^\\(?:[ \t]+at \\|==[0-9]+== +\\(?:at\\|b\\(y\\)\\)\\).+(\\([^()\n]+\\):\\([0-9]+\\))$" 2 3 nil (1))
213
214 (jikes-file
215 "^\\(?:Found\\|Issued\\) .* compiling \"\\(.+\\)\":$" 1 nil nil 0)
216 (jikes-line
217 "^ *\\([0-9]+\\)\\.[ \t]+.*\n +\\(<-*>\n\\*\\*\\* \\(?:Error\\|Warnin\\(g\\)\\)\\)"
218 nil 1 nil 2 0
219 (2 (compilation-face '(3))))
220
221 (gcc-include
222 "^\\(?:In file included\\| \\) from \
223\\(.+\\):\\([0-9]+\\)\\(?:\\(:\\)\\|\\(,\\)\\)?" 1 2 nil (3 . 4))
224
225 (gnu
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226 ;; I have no idea what this first line is supposed to match, but it
227 ;; makes things ambiguous with output such as "foo:344:50:blabla" since
228 ;; the "foo" part can match this first line (in which case the file
229 ;; name as "344"). To avoid this, we disallow filenames exclusively
230 ;; composed of digits. --Stef
6f5b7627 231 "^\\(?:[[:alpha:]][-[:alnum:].]+: ?\\)?\
b8fa0ffd 232\\([0-9]*[^0-9\n].*?\\): ?\
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233\\([0-9]+\\)\\(?:\\([.:]\\)\\([0-9]+\\)\\)?\
234\\(?:-\\([0-9]+\\)?\\(?:\\3\\([0-9]+\\)\\)?\\)?:\
7837c247 235\\(?: *\\(\\(?:Future\\|Runtime\\)?[Ww]arning\\|W:\\)\\|\
d14fd70c 236 *\\([Ii]nfo\\(?:\\>\\|rmationa?l?\\)\\|I:\\|instantiated from\\)\\)?"
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237 1 (2 . 5) (4 . 6) (7 . 8))
238
239 (lcc
240 "^\\(?:E\\|\\(W\\)\\), \\([^(\n]+\\)(\\([0-9]+\\),[ \t]*\\([0-9]+\\)"
241 2 3 4 (1))
242
243 (makepp
d14fd70c 244 "^makepp: \\(?:\\(?:warning\\(:\\).*?\\|\\(Scanning\\|[LR]e?l?oading makefile\\|Imported\\) \\|.*?\\)\
3b79dd20 245`\\(\\(\\S +?\\)\\(?::\\([0-9]+\\)\\)?\\)['(]\\)"
7837c247 246 4 5 nil (1 . 2) 3
3b79dd20 247 ("`\\(\\(\\S +?\\)\\(?::\\([0-9]+\\)\\)?\\)['(]" nil nil
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248 (2 compilation-info-face)
249 (3 compilation-line-face nil t)
51c8ad03 250 (1 (compilation-error-properties 2 3 nil nil nil 0 nil)
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251 append)))
252
6f5b7627 253 ;; Should be lint-1, lint-2 (SysV lint)
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254 (mips-1
255 " (\\([0-9]+\\)) in \\([^ \n]+\\)" 2 1)
256 (mips-2
257 " in \\([^()\n ]+\\)(\\([0-9]+\\))$" 1 2)
258
259 (msft
28547c1f 260 "^\\([0-9]+>\\)?\\(\\(?:[a-zA-Z]:\\)?[^:(\t\n]+\\)(\\([0-9]+\\)) \
2a516a73 261: \\(?:error\\|warnin\\(g\\)\\) C[0-9]+:" 2 3 nil (4))
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262
263 (oracle
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264 "^\\(?:Semantic error\\|Error\\|PCC-[0-9]+:\\).* line \\([0-9]+\\)\
265\\(?:\\(?:,\\| at\\)? column \\([0-9]+\\)\\)?\
266\\(?:,\\| in\\| of\\)? file \\(.*?\\):?$"
7837c247 267 3 1 2)
40d63d1f 268
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269 (perl
270 " at \\([^ \n]+\\) line \\([0-9]+\\)\\(?:[,.]\\|$\\)" 1 2)
271
272 (rxp
273 "^\\(?:Error\\|Warnin\\(g\\)\\):.*\n.* line \\([0-9]+\\) char\
274 \\([0-9]+\\) of file://\\(.+\\)"
275 4 2 3 (1))
276
277 (sparc-pascal-file
278 "^\\w\\w\\w \\w\\w\\w +[0-3]?[0-9] +[0-2][0-9]:[0-5][0-9]:[0-5][0-9]\
279 [12][09][0-9][0-9] +\\(.*\\):$"
280 1 nil nil 0)
281 (sparc-pascal-line
282 "^\\(\\(?:E\\|\\(w\\)\\) +[0-9]+\\) line \\([0-9]+\\) - "
283 nil 3 nil (2) nil (1 (compilation-face '(2))))
284 (sparc-pascal-example
285 "^ +\\([0-9]+\\) +.*\n\\(\\(?:e\\|\\(w\\)\\) [0-9]+\\)-+"
286 nil 1 nil (3) nil (2 (compilation-face '(3))))
287
288 (sun
6f5b7627 289 ": \\(?:ERROR\\|WARNIN\\(G\\)\\|REMAR\\(K\\)\\) \\(?:[[:alnum:] ]+, \\)?\
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290File = \\(.+\\), Line = \\([0-9]+\\)\\(?:, Column = \\([0-9]+\\)\\)?"
291 3 4 5 (1 . 2))
292
293 (sun-ada
294 "^\\([^, \n\t]+\\), line \\([0-9]+\\), char \\([0-9]+\\)[:., \(-]" 1 2 3)
295
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296 (4bsd
297 "\\(?:^\\|:: \\|\\S ( \\)\\(/[^ \n\t()]+\\)(\\([0-9]+\\))\
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298\\(?:: \\(warning:\\)?\\|$\\| ),\\)" 1 2 nil (3))
299
300 (gcov-file
b8fa0ffd 301 "^ *-: *\\(0\\):Source:\\(.+\\)$"
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302 2 1 nil 0 nil
303 (1 compilation-line-face prepend) (2 compilation-info-face prepend))
304 (gcov-header
305 "^ *-: *\\(0\\):\\(?:Object\\|Graph\\|Data\\|Runs\\|Programs\\):.+$"
306 nil 1 nil 0 nil
307 (1 compilation-line-face prepend))
308 ;; Underlines over all lines of gcov output are too uncomfortable to read.
309 ;; However, hyperlinks embedded in the lines are useful.
310 ;; So I put default face on the lines; and then put
311 ;; compilation-*-face by manually to eliminate the underlines.
312 ;; The hyperlinks are still effective.
313 (gcov-nomark
314 "^ *-: *\\([1-9]\\|[0-9]\\{2,\\}\\):.*$"
315 nil 1 nil 0 nil
316 (0 'default t)
317 (1 compilation-line-face prepend))
0c9a01ff 318 (gcov-called-line
eb3d9609 319 "^ *\\([0-9]+\\): *\\([0-9]+\\):.*$"
b8fa0ffd 320 nil 2 nil 0 nil
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321 (0 'default t)
322 (1 compilation-info-face prepend) (2 compilation-line-face prepend))
323 (gcov-never-called
b8fa0ffd 324 "^ *\\(#####\\): *\\([0-9]+\\):.*$"
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325 nil 2 nil 2 nil
326 (0 'default t)
327 (1 compilation-error-face prepend) (2 compilation-line-face prepend))
328 )
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329 "Alist of values for `compilation-error-regexp-alist'.")
330
331(defcustom compilation-error-regexp-alist
332 (mapcar 'car compilation-error-regexp-alist-alist)
6c43f2f9 333 "Alist that specifies how to match errors in compiler output.
7957baea 334On GNU and Unix, any string is a valid filename, so these
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335matchers must make some common sense assumptions, which catch
336normal cases. A shorter list will be lighter on resource usage.
337
338Instead of an alist element, you can use a symbol, which is
339looked up in `compilation-error-regexp-alist-alist'. You can see
340the predefined symbols and their effects in the file
6f5b7627 341`etc/compilation.txt' (linked below if you are customizing this).
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342
343Each elt has the form (REGEXP FILE [LINE COLUMN TYPE HYPERLINK
344HIGHLIGHT...]). If REGEXP matches, the FILE'th subexpression
345gives the file name, and the LINE'th subexpression gives the line
346number. The COLUMN'th subexpression gives the column number on
347that line.
348
349If FILE, LINE or COLUMN are nil or that index didn't match, that
350information is not present on the matched line. In that case the
351file name is assumed to be the same as the previous one in the
352buffer, line number defaults to 1 and column defaults to
353beginning of line's indentation.
354
355FILE can also have the form (FILE FORMAT...), where the FORMATs
356\(e.g. \"%s.c\") will be applied in turn to the recognized file
357name, until a file of that name is found. Or FILE can also be a
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358function that returns (FILENAME) or (RELATIVE-FILENAME . DIRNAME).
359In the former case, FILENAME may be relative or absolute.
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360
361LINE can also be of the form (LINE . END-LINE) meaning a range
362of lines. COLUMN can also be of the form (COLUMN . END-COLUMN)
363meaning a range of columns starting on LINE and ending on
364END-LINE, if that matched.
365
366TYPE is 2 or nil for a real error or 1 for warning or 0 for info.
367TYPE can also be of the form (WARNING . INFO). In that case this
368will be equivalent to 1 if the WARNING'th subexpression matched
369or else equivalent to 0 if the INFO'th subexpression matched.
370See `compilation-error-face', `compilation-warning-face',
371`compilation-info-face' and `compilation-skip-threshold'.
372
373What matched the HYPERLINK'th subexpression has `mouse-face' and
374`compilation-message-face' applied. If this is nil, the text
375matched by the whole REGEXP becomes the hyperlink.
376
377Additional HIGHLIGHTs as described under `font-lock-keywords' can
378be added."
379 :type `(set :menu-tag "Pick"
380 ,@(mapcar (lambda (elt)
381 (list 'const (car elt)))
382 compilation-error-regexp-alist-alist))
383 :link `(file-link :tag "example file"
eeb3ede4 384 ,(expand-file-name "compilation.txt" data-directory))
7837c247 385 :group 'compilation)
55dfd2c4 386
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387(defvar compilation-directory nil
388 "Directory to restore to when doing `recompile'.")
389
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390(defvar compilation-directory-matcher
391 '("\\(?:Entering\\|Leavin\\(g\\)\\) directory `\\(.+\\)'$" (2 . 1))
392 "A list for tracking when directories are entered or left.
393Nil means not to track directories, e.g. if all file names are absolute. The
394first element is the REGEXP matching these messages. It can match any number
395of variants, e.g. different languages. The remaining elements are all of the
396form (DIR . LEAVE). If for any one of these the DIR'th subexpression
397matches, that is a directory name. If LEAVE is nil or the corresponding
398LEAVE'th subexpression doesn't match, this message is about going into another
399directory. If it does match anything, this message is about going back to the
400directory we were in before the last entering message. If you change this,
401you may also want to change `compilation-page-delimiter'.")
402
403(defvar compilation-page-delimiter
404 "^\\(?:\f\\|.*\\(?:Entering\\|Leaving\\) directory `.+'\n\\)+"
405 "Value of `page-delimiter' in Compilation mode.")
406
407(defvar compilation-mode-font-lock-keywords
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408 '(;; Don't highlight this as a compilation message.
409 ("^Compilation started at.*"
410 (0 '(face nil message nil help-echo nil mouse-face nil) t))
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411 ("^Compiling file .*"
412 (0 '(face nil message nil help-echo nil mouse-face nil) t))
47f97084 413 ;; configure output lines.
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414 ("^[Cc]hecking \\(?:[Ff]or \\|[Ii]f \\|[Ww]hether \\(?:to \\)?\\)?\\(.+\\)\\.\\.\\. *\\(?:(cached) *\\)?\\(\\(yes\\(?: .+\\)?\\)\\|no\\|\\(.*\\)\\)$"
415 (1 font-lock-variable-name-face)
38dbf92b 416 (2 (compilation-face '(4 . 3))))
7837c247 417 ;; Command output lines. Recognize `make[n]:' lines too.
6f5b7627 418 ("^\\([[:alnum:]_/.+-]+\\)\\(\\[\\([0-9]+\\)\\]\\)?[ \t]*:"
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419 (1 font-lock-function-name-face) (3 compilation-line-face nil t))
420 (" --?o\\(?:utfile\\|utput\\)?[= ]?\\(\\S +\\)" . 1)
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421 ("^Compilation \\(finished\\).*"
422 (0 '(face nil message nil help-echo nil mouse-face nil) t)
314b410b 423 (1 compilation-info-face))
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424 ("^Compilation \\(exited abnormally\\|interrupt\\|killed\\|terminated\\)\\(?:.*with code \\([0-9]+\\)\\)?.*"
425 (0 '(face nil message nil help-echo nil mouse-face nil) t)
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426 (1 compilation-error-face)
427 (2 compilation-error-face nil t)))
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428 "Additional things to highlight in Compilation mode.
429This gets tacked on the end of the generated expressions.")
a24770bc 430
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431(defvar compilation-highlight-regexp t
432 "Regexp matching part of visited source lines to highlight temporarily.
433Highlight entire line if t; don't highlight source lines if nil.")
434
435(defvar compilation-highlight-overlay nil
436 "Overlay used to temporarily highlight compilation matches.")
437
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438(defcustom compilation-error-screen-columns t
439 "*If non-nil, column numbers in error messages are screen columns.
440Otherwise they are interpreted as character positions, with
441each character occupying one column.
442The default is to use screen columns, which requires that the compilation
443program and Emacs agree about the display width of the characters,
444especially the TAB character."
445 :type 'boolean
446 :group 'compilation
447 :version "20.4")
448
c5049fa0 449(defcustom compilation-read-command t
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450 "*Non-nil means \\[compile] reads the compilation command to use.
451Otherwise, \\[compile] just uses the value of `compile-command'."
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452 :type 'boolean
453 :group 'compilation)
90016295 454
e83be080 455;;;###autoload
c5049fa0 456(defcustom compilation-ask-about-save t
851231e9 457 "*Non-nil means \\[compile] asks which buffers to save before compiling.
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458Otherwise, it saves all modified buffers without asking."
459 :type 'boolean
460 :group 'compilation)
90016295 461
7c163413 462;;;###autoload
c5049fa0 463(defcustom compilation-search-path '(nil)
7c163413 464 "*List of directories to search for source files named in error messages.
d3cb357b 465Elements should be directory names, not file names of directories.
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466nil as an element means to try the default directory."
467 :type '(repeat (choice (const :tag "Default" nil)
468 (string :tag "Directory")))
469 :group 'compilation)
55dfd2c4 470
7957baea 471;;;###autoload
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472(defcustom compile-command "make -k "
473 "*Last shell command used to do a compilation; default for next compilation.
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474
475Sometimes it is useful for files to supply local values for this variable.
476You might also use mode hooks to specify it in certain modes, like this:
477
61c4aaf8 478 (add-hook 'c-mode-hook
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479 (lambda ()
480 (unless (or (file-exists-p \"makefile\")
481 (file-exists-p \"Makefile\"))
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482 (set (make-local-variable 'compile-command)
483 (concat \"make -k \"
7837c247 484 (file-name-sans-extension buffer-file-name))))))"
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485 :type 'string
486 :group 'compilation)
631c8020 487;;;###autoload(put 'compile-command 'safe-local-variable 'stringp)
55dfd2c4 488
7957baea 489;;;###autoload
93ef35e4 490(defcustom compilation-disable-input nil
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491 "*If non-nil, send end-of-file as compilation process input.
492This only affects platforms that support asynchronous processes (see
bac3a1c9 493`start-process'); synchronous compilation processes never accept input."
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494 :type 'boolean
495 :group 'compilation
496 :version "22.1")
497
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498;; A weak per-compilation-buffer hash indexed by (FILENAME . DIRECTORY). Each
499;; value is a FILE-STRUCTURE as described above, with the car eq to the hash
500;; key. This holds the tree seen from root, for storing new nodes.
501(defvar compilation-locs ())
502
503(defvar compilation-debug nil
6f5b7627 504 "*Set this to t before creating a *compilation* buffer.
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505Then every error line will have a debug text property with the matcher that
506fit this line and the match data. Use `describe-text-properties'.")
d3cb357b 507
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508(defvar compilation-exit-message-function nil "\
509If non-nil, called when a compilation process dies to return a status message.
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510This should be a function of three arguments: process status, exit status,
511and exit message; it returns a cons (MESSAGE . MODELINE) of the strings to
512write into the compilation buffer, and to put in its mode line.")
01f89d11 513
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514(defvar compilation-environment nil
515 "*List of environment variables for compilation to inherit.
516Each element should be a string of the form ENVVARNAME=VALUE.
517This list is temporarily prepended to `process-environment' prior to
518starting the compilation process.")
519
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520;; History of compile commands.
521(defvar compile-history nil)
770970cb 522
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523(defface compilation-error
524 '((t :inherit font-lock-warning-face))
525 "Face used to highlight compiler errors."
da742205 526 :group 'compilation
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527 :version "22.1")
528
541a6d0d 529(defface compilation-warning
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530 '((((class color) (min-colors 16)) (:foreground "Orange" :weight bold))
531 (((class color)) (:foreground "cyan" :weight bold))
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532 (t (:weight bold)))
533 "Face used to highlight compiler warnings."
da742205 534 :group 'compilation
bf247b6e 535 :version "22.1")
7837c247 536
541a6d0d 537(defface compilation-info
e4aa3c94 538 '((((class color) (min-colors 16) (background light))
bc3621a0 539 (:foreground "Green3" :weight bold))
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540 (((class color) (min-colors 88) (background dark))
541 (:foreground "Green1" :weight bold))
e4aa3c94 542 (((class color) (min-colors 16) (background dark))
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543 (:foreground "Green" :weight bold))
544 (((class color)) (:foreground "green" :weight bold))
7837c247 545 (t (:weight bold)))
fa947ef3 546 "Face used to highlight compiler information."
da742205 547 :group 'compilation
bf247b6e 548 :version "22.1")
7837c247 549
a5f1c37e 550(defface compilation-line-number
38dbf92b 551 '((t :inherit font-lock-variable-name-face))
fa947ef3 552 "Face for displaying line numbers in compiler messages."
da742205 553 :group 'compilation
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554 :version "22.1")
555
556(defface compilation-column-number
38dbf92b 557 '((t :inherit font-lock-type-face))
fa947ef3 558 "Face for displaying column numbers in compiler messages."
da742205 559 :group 'compilation
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560 :version "22.1")
561
f4beca06 562(defcustom compilation-message-face 'underline
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563 "Face name to use for whole messages.
564Faces `compilation-error-face', `compilation-warning-face',
565`compilation-info-face', `compilation-line-face' and
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566`compilation-column-face' get prepended to this, when applicable."
567 :type 'face
568 :group 'compilation
569 :version "22.1")
7837c247 570
38dbf92b 571(defvar compilation-error-face 'compilation-error
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572 "Face name to use for file name in error messages.")
573
38dbf92b 574(defvar compilation-warning-face 'compilation-warning
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575 "Face name to use for file name in warning messages.")
576
38dbf92b 577(defvar compilation-info-face 'compilation-info
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578 "Face name to use for file name in informational messages.")
579
a5f1c37e 580(defvar compilation-line-face 'compilation-line-number
38dbf92b 581 "Face name to use for line numbers in compiler messages.")
7837c247 582
a5f1c37e 583(defvar compilation-column-face 'compilation-column-number
fa947ef3 584 "Face name to use for column numbers in compiler messages.")
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585
586;; same faces as dired uses
587(defvar compilation-enter-directory-face 'font-lock-function-name-face
fa947ef3 588 "Face name to use for entering directory messages.")
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589
590(defvar compilation-leave-directory-face 'font-lock-type-face
fa947ef3 591 "Face name to use for leaving directory messages.")
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592
593
594
c536bb39 595;; Used for compatibility with the old compile.el.
0ff7f01e 596(defvaralias 'compilation-last-buffer 'next-error-last-buffer)
6f5b7627 597(defvar compilation-parsing-end (make-marker))
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598(defvar compilation-parse-errors-function nil)
599(defvar compilation-error-list nil)
600(defvar compilation-old-error-list nil)
601
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602(defun compilation-face (type)
603 (or (and (car type) (match-end (car type)) compilation-warning-face)
604 (and (cdr type) (match-end (cdr type)) compilation-info-face)
605 compilation-error-face))
606
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607;; Internal function for calculating the text properties of a directory
608;; change message. The directory property is important, because it is
609;; the stack of nested enter-messages. Relative filenames on the following
610;; lines are relative to the top of the stack.
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611(defun compilation-directory-properties (idx leave)
612 (if leave (setq leave (match-end leave)))
613 ;; find previous stack, and push onto it, or if `leave' pop it
614 (let ((dir (previous-single-property-change (point) 'directory)))
615 (setq dir (if dir (or (get-text-property (1- dir) 'directory)
616 (get-text-property dir 'directory))))
617 `(face ,(if leave
618 compilation-leave-directory-face
619 compilation-enter-directory-face)
620 directory ,(if leave
621 (or (cdr dir)
622 '(nil)) ; nil only isn't a property-change
623 (cons (match-string-no-properties idx) dir))
624 mouse-face highlight
6f5b7627 625 keymap compilation-button-map
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626 help-echo "mouse-2: visit current directory")))
627
628;; Data type `reverse-ordered-alist' retriever. This function retrieves the
629;; KEY element from the ALIST, creating it in the right position if not already
630;; present. ALIST structure is
631;; '(ANCHOR (KEY1 ...) (KEY2 ...)... (KEYn ALIST ...))
632;; ANCHOR is ignored, but necessary so that elements can be inserted. KEY1
633;; may be nil. The other KEYs are ordered backwards so that growing line
634;; numbers can be inserted in front and searching can abort after half the
635;; list on average.
6f5b7627 636(eval-when-compile ;Don't keep it at runtime if not needed.
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637(defmacro compilation-assq (key alist)
638 `(let* ((l1 ,alist)
639 (l2 (cdr l1)))
640 (car (if (if (null ,key)
641 (if l2 (null (caar l2)))
642 (while (if l2 (if (caar l2) (< ,key (caar l2)) t))
643 (setq l1 l2
644 l2 (cdr l1)))
645 (if l2 (eq ,key (caar l2))))
646 l2
6f5b7627 647 (setcdr l1 (cons (list ,key) l2)))))))
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648
649
650;; This function is the central driver, called when font-locking to gather
651;; all information needed to later jump to corresponding source code.
652;; Return a property list with all meta information on this error location.
f0685ed1 653
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654(defun compilation-error-properties (file line end-line col end-col type fmt)
655 (unless (< (next-single-property-change (match-beginning 0) 'directory nil (point))
656 (point))
657 (if file
658 (if (functionp file)
659 (setq file (funcall file))
660 (let (dir)
661 (setq file (match-string-no-properties file))
662 (unless (file-name-absolute-p file)
663 (setq dir (previous-single-property-change (point) 'directory)
664 dir (if dir (or (get-text-property (1- dir) 'directory)
665 (get-text-property dir 'directory)))))
efb0e677 666 (setq file (cons file (car dir)))))
7837c247 667 ;; This message didn't mention one, get it from previous
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668 (let ((prev-pos
669 ;; Find the previous message.
670 (previous-single-property-change (point) 'message)))
671 (if prev-pos
672 ;; Get the file structure that belongs to it.
673 (let* ((prev
674 (or (get-text-property (1- prev-pos) 'message)
675 (get-text-property prev-pos 'message)))
676 (prev-struct
677 (car (nth 2 (car prev)))))
678 ;; Construct FILE . DIR from that.
679 (if prev-struct
680 (setq file (cons (car prev-struct)
681 (cadr prev-struct))))))
682 (unless file
683 (setq file '("*unknown*")))))
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684 ;; All of these fields are optional, get them only if we have an index, and
685 ;; it matched some part of the message.
686 (and line
687 (setq line (match-string-no-properties line))
688 (setq line (string-to-number line)))
689 (and end-line
690 (setq end-line (match-string-no-properties end-line))
691 (setq end-line (string-to-number end-line)))
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692 (if col
693 (if (functionp col)
694 (setq col (funcall col))
695 (and
696 (setq col (match-string-no-properties col))
697 (setq col (- (string-to-number col) compilation-first-column)))))
698 (if (and end-col (functionp end-col))
699 (setq end-col (funcall end-col))
700 (if (and end-col (setq end-col (match-string-no-properties end-col)))
701 (setq end-col (- (string-to-number end-col) compilation-first-column -1))
702 (if end-line (setq end-col -1))))
eb6fb6e2 703 (if (consp type) ; not a static type, check what it is.
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704 (setq type (or (and (car type) (match-end (car type)) 1)
705 (and (cdr type) (match-end (cdr type)) 0)
706 2)))
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707 (compilation-internal-error-properties file line end-line col end-col type fmt)))
708
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709(defun compilation-move-to-column (col screen)
710 "Go to column COL on the current line.
711If SCREEN is non-nil, columns are screen columns, otherwise, they are
712just char-counts."
713 (if screen
714 (move-to-column col)
715 (goto-char (min (+ (line-beginning-position) col) (line-end-position)))))
716
7957baea 717(defun compilation-internal-error-properties (file line end-line col end-col type fmts)
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718 "Get the meta-info that will be added as text-properties.
719LINE, END-LINE, COL, END-COL are integers or nil.
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720TYPE can be 0, 1, or 2, meaning error, warning, or just info.
721FILE should be (FILENAME) or (RELATIVE-FILENAME . DIRNAME) or nil.
722FMTS is a list of format specs for transforming the file name.
723 (See `compilation-error-regexp-alist'.)"
efb0e677 724 (unless file (setq file '("*unknown*")))
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725 (let* ((file-struct (compilation-get-file-structure file fmts))
726 ;; Get first already existing marker (if any has one, all have one).
727 ;; Do this first, as the compilation-assq`s may create new nodes.
728 (marker-line (car (cddr file-struct))) ; a line structure
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729 (marker (nth 3 (cadr marker-line))) ; its marker
730 (compilation-error-screen-columns compilation-error-screen-columns)
731 end-marker loc end-loc)
732 (if (not (and marker (marker-buffer marker)))
7957baea 733 (setq marker nil) ; no valid marker for this file
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734 (setq loc (or line 1)) ; normalize no linenumber to line 1
735 (catch 'marker ; find nearest loc, at least one exists
7957baea 736 (dolist (x (nthcdr 3 file-struct)) ; loop over remaining lines
dbd97672 737 (if (> (car x) loc) ; still bigger
efb0e677 738 (setq marker-line x)
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739 (if (> (- (or (car marker-line) 1) loc)
740 (- loc (car x))) ; current line is nearer
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741 (setq marker-line x))
742 (throw 'marker t))))
743 (setq marker (nth 3 (cadr marker-line))
dbd97672 744 marker-line (or (car marker-line) 1))
efb0e677 745 (with-current-buffer (marker-buffer marker)
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746 (save-excursion
747 (save-restriction
748 (widen)
749 (goto-char (marker-position marker))
750 (when (or end-col end-line)
751 (beginning-of-line (- (or end-line line) marker-line -1))
752 (if (or (null end-col) (< end-col 0))
753 (end-of-line)
754 (compilation-move-to-column
755 end-col compilation-error-screen-columns))
756 (setq end-marker (list (point-marker))))
757 (beginning-of-line (if end-line
758 (- line end-line -1)
759 (- loc marker-line -1)))
760 (if col
761 (compilation-move-to-column
762 col compilation-error-screen-columns)
763 (forward-to-indentation 0))
764 (setq marker (list (point-marker)))))))
efb0e677 765
7957baea 766 (setq loc (compilation-assq line (cdr file-struct)))
efb0e677 767 (if end-line
7957baea 768 (setq end-loc (compilation-assq end-line (cdr file-struct))
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769 end-loc (compilation-assq end-col end-loc))
770 (if end-col ; use same line element
771 (setq end-loc (compilation-assq end-col loc))))
772 (setq loc (compilation-assq col loc))
773 ;; If they are new, make the loc(s) reference the file they point to.
7957baea 774 (or (cdr loc) (setcdr loc `(,line ,file-struct ,@marker)))
efb0e677 775 (if end-loc
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776 (or (cdr end-loc)
777 (setcdr end-loc `(,(or end-line line) ,file-struct ,@end-marker))))
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778
779 ;; Must start with face
780 `(face ,compilation-message-face
781 message (,loc ,type ,end-loc)
782 ,@(if compilation-debug
783 `(debug (,(assoc (with-no-warnings matcher) font-lock-keywords)
784 ,@(match-data))))
785 help-echo ,(if col
786 "mouse-2: visit this file, line and column"
787 (if line
788 "mouse-2: visit this file and line"
789 "mouse-2: visit this file"))
790 keymap compilation-button-map
791 mouse-face highlight)))
7837c247 792
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793(defun compilation-mode-font-lock-keywords ()
794 "Return expressions to highlight in Compilation mode."
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795 (if compilation-parse-errors-function
796 ;; An old package! Try the compatibility code.
797 '((compilation-compat-parse-errors))
798 (append
799 ;; make directory tracking
800 (if compilation-directory-matcher
801 `((,(car compilation-directory-matcher)
802 ,@(mapcar (lambda (elt)
803 `(,(car elt)
804 (compilation-directory-properties
805 ,(car elt) ,(cdr elt))
0ea50e43 806 t t))
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807 (cdr compilation-directory-matcher)))))
808
809 ;; Compiler warning/error lines.
810 (mapcar
811 (lambda (item)
812 (if (symbolp item)
813 (setq item (cdr (assq item
814 compilation-error-regexp-alist-alist))))
815 (let ((file (nth 1 item))
816 (line (nth 2 item))
817 (col (nth 3 item))
818 (type (nth 4 item))
819 end-line end-col fmt)
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820 (if (consp file) (setq fmt (cdr file) file (car file)))
821 (if (consp line) (setq end-line (cdr line) line (car line)))
91fa27cd 822 (if (consp col) (setq end-col (cdr col) col (car col)))
b3a7f48f 823
544dccaa 824 (if (functionp line)
91fa27cd
SM
825 ;; The old compile.el had here an undocumented hook that
826 ;; allowed `line' to be a function that computed the actual
827 ;; error location. Let's do our best.
828 `(,(car item)
0ea50e43
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829 (0 (save-match-data
830 (compilation-compat-error-properties
831 (funcall ',line (cons (match-string ,file)
832 (cons default-directory
833 ',(nthcdr 4 item)))
834 ,(if col `(match-string ,col))))))
91fa27cd 835 (,file compilation-error-face t))
b3a7f48f 836
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837 (unless (or (null (nth 5 item)) (integerp (nth 5 item)))
838 (error "HYPERLINK should be an integer: %s" (nth 5 item)))
839
91fa27cd
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840 `(,(nth 0 item)
841
842 ,@(when (integerp file)
843 `((,file ,(if (consp type)
844 `(compilation-face ',type)
845 (aref [compilation-info-face
846 compilation-warning-face
847 compilation-error-face]
848 (or type 2))))))
849
850 ,@(when line
851 `((,line compilation-line-face nil t)))
852 ,@(when end-line
853 `((,end-line compilation-line-face nil t)))
854
9dc3a46a 855 ,@(when (integerp col)
91fa27cd 856 `((,col compilation-column-face nil t)))
9dc3a46a 857 ,@(when (integerp end-col)
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858 `((,end-col compilation-column-face nil t)))
859
860 ,@(nthcdr 6 item)
861 (,(or (nth 5 item) 0)
862 (compilation-error-properties ',file ,line ,end-line
863 ,col ,end-col ',(or type 2)
864 ',fmt)
865 append))))) ; for compilation-message-face
866 compilation-error-regexp-alist)
867
868 compilation-mode-font-lock-keywords)))
7837c247 869
01f89d11 870\f
d3cb357b 871;;;###autoload
7837c247 872(defun compile (command &optional comint)
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873 "Compile the program including the current buffer. Default: run `make'.
874Runs COMMAND, a shell command, in a separate process asynchronously
875with output going to the buffer `*compilation*'.
d3cb357b 876
6f5b7627 877If optional second arg COMINT is t the buffer will be in Comint mode with
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878`compilation-shell-minor-mode'.
879
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880You can then use the command \\[next-error] to find the next error message
881and move to the source code that caused it.
882
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883Interactively, prompts for the command if `compilation-read-command' is
884non-nil; otherwise uses `compile-command'. With prefix arg, always prompts.
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885Additionally, with universal prefix arg, compilation buffer will be in
886comint mode, i.e. interactive.
08b1edf4 887
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888To run more than one compilation at once, start one and rename
889the \`*compilation*' buffer to some other name with
890\\[rename-buffer]. Then start the next one. On most systems,
891termination of the main compilation process kills its
892subprocesses.
d3cb357b
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893
894The name used for the buffer is actually whatever is returned by
895the function in `compilation-buffer-name-function', so you can set that
896to a function that generates a unique name."
90016295 897 (interactive
c39bf546 898 (list
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899 (let ((command (eval compile-command)))
900 (if (or compilation-read-command current-prefix-arg)
901 (read-from-minibuffer "Compile command: "
902 command nil nil
903 (if (equal (car compile-history) command)
904 '(compile-history . 1)
905 'compile-history))
906 command))
c39bf546 907 (consp current-prefix-arg)))
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908 (unless (equal command (eval compile-command))
909 (setq compile-command command))
90016295 910 (save-some-buffers (not compilation-ask-about-save) nil)
ebb8cb68 911 (setq compilation-directory default-directory)
7837c247 912 (compilation-start command comint))
55dfd2c4 913
5b6858da 914;; run compile with the default command line
e60476ca 915(defun recompile ()
6867356a 916 "Re-compile the program including the current buffer.
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917If this is run in a Compilation mode buffer, re-use the arguments from the
918original use. Otherwise, recompile using `compile-command'."
e60476ca
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919 (interactive)
920 (save-some-buffers (not compilation-ask-about-save) nil)
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921 (let ((default-directory
922 (or (and (not (eq major-mode (nth 1 compilation-arguments)))
923 compilation-directory)
924 default-directory)))
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925 (apply 'compilation-start (or compilation-arguments
926 `(,(eval compile-command))))))
09843b4a 927
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928(defcustom compilation-scroll-output nil
929 "*Non-nil to scroll the *compilation* buffer window as output appears.
930
6f5b7627 931Setting it causes the Compilation mode commands to put point at the
b5812513 932end of their output window so that the end of the output is always
6f5b7627 933visible rather than the beginning."
b5812513 934 :type 'boolean
a46fddeb 935 :version "20.3"
b5812513
DL
936 :group 'compilation)
937
7bdb67b2 938
ae0cc840 939(defun compilation-buffer-name (mode-name mode-command name-function)
7bdb67b2
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940 "Return the name of a compilation buffer to use.
941If NAME-FUNCTION is non-nil, call it with one argument MODE-NAME
942to determine the buffer name.
943Likewise if `compilation-buffer-name-function' is non-nil.
ae0cc840 944If current buffer is the mode MODE-COMMAND,
7bdb67b2
GM
945return the name of the current buffer, so that it gets reused.
946Otherwise, construct a buffer name from MODE-NAME."
dc2feacf 947 (cond (name-function
7bdb67b2 948 (funcall name-function mode-name))
dc2feacf 949 (compilation-buffer-name-function
7bdb67b2 950 (funcall compilation-buffer-name-function mode-name))
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RS
951 ((and (eq mode-command major-mode)
952 (eq major-mode (nth 1 compilation-arguments)))
7bdb67b2
GM
953 (buffer-name))
954 (t
955 (concat "*" (downcase mode-name) "*"))))
956
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957;; This is a rough emulation of the old hack, until the transition to new
958;; compile is complete.
55dfd2c4 959(defun compile-internal (command error-message
a24770bc
RS
960 &optional name-of-mode parser
961 error-regexp-alist name-function
962 enter-regexp-alist leave-regexp-alist
23b0c5fc 963 file-regexp-alist nomessage-regexp-alist
9ac57479 964 no-async highlight-regexp local-map)
7837c247
SM
965 (if parser
966 (error "Compile now works very differently, see `compilation-error-regexp-alist'"))
967 (let ((compilation-error-regexp-alist
968 (append file-regexp-alist (or error-regexp-alist
969 compilation-error-regexp-alist)))
970 (compilation-error (replace-regexp-in-string "^No more \\(.+\\)s\\.?"
971 "\\1" error-message)))
972 (compilation-start command nil name-function highlight-regexp)))
973(make-obsolete 'compile-internal 'compilation-start)
974
a24c45d2 975;;;###autoload
7837c247 976(defun compilation-start (command &optional mode name-function highlight-regexp)
55dfd2c4 977 "Run compilation command COMMAND (low level interface).
489a8034 978If COMMAND starts with a cd command, that becomes the `default-directory'.
9ac57479
KS
979The rest of the arguments are optional; for them, nil means use the default.
980
7837c247 981MODE is the major mode to set in the compilation buffer. Mode
6f5b7627 982may also be t meaning use `compilation-shell-minor-mode' under `comint-mode'.
5b317d74
RF
983If NAME-FUNCTION is non-nil, call it with one argument (the mode name)
984to determine the buffer name.
23b0c5fc 985
9ac57479 986If HIGHLIGHT-REGEXP is non-nil, `next-error' will temporarily highlight
6f5b7627 987the matching section of the visited source line; the default is to use the
9ac57479
KS
988global value of `compilation-highlight-regexp'.
989
646bd331 990Returns the compilation buffer created."
7837c247 991 (or mode (setq mode 'compilation-mode))
489a8034
DP
992 (let* ((name-of-mode
993 (if (eq mode t)
994 (prog1 "compilation" (require 'comint))
995 (replace-regexp-in-string "-mode$" "" (symbol-name mode))))
199143f1 996 (thisdir default-directory)
489a8034 997 outwin outbuf)
c536bb39
SM
998 (with-current-buffer
999 (setq outbuf
1000 (get-buffer-create
ae0cc840 1001 (compilation-buffer-name name-of-mode mode name-function)))
d3cb357b
RM
1002 (let ((comp-proc (get-buffer-process (current-buffer))))
1003 (if comp-proc
1004 (if (or (not (eq (process-status comp-proc) 'run))
1005 (yes-or-no-p
bea1d57a
JB
1006 (format "A %s process is running; kill it? "
1007 name-of-mode)))
d3cb357b
RM
1008 (condition-case ()
1009 (progn
1010 (interrupt-process comp-proc)
1011 (sit-for 1)
1012 (delete-process comp-proc))
1013 (error nil))
1014 (error "Cannot have two processes in `%s' at once"
7837c247 1015 (buffer-name)))))
7837c247 1016 (buffer-disable-undo (current-buffer))
199143f1
DP
1017 ;; first transfer directory from where M-x compile was called
1018 (setq default-directory thisdir)
d42c87ab
RS
1019 ;; Make compilation buffer read-only. The filter can still write it.
1020 ;; Clear out the compilation buffer.
199143f1
DP
1021 (let ((inhibit-read-only t)
1022 (default-directory thisdir))
1023 ;; Then evaluate a cd command if any, but don't perform it yet, else start-command
1024 ;; would do it again through the shell: (cd "..") AND sh -c "cd ..; make"
1025 (cd (if (string-match "^\\s *cd\\(?:\\s +\\(\\S +?\\)\\)?\\s *[;&\n]" command)
1026 (if (match-end 1)
12221c84 1027 (substitute-env-vars (match-string 1 command))
199143f1
DP
1028 "~")
1029 default-directory))
abed5267 1030 (erase-buffer)
6d2957c4
RS
1031 ;; Select the desired mode.
1032 (if (not (eq mode t))
1033 (funcall mode)
1034 (setq buffer-read-only nil)
1035 (with-no-warnings (comint-mode))
1036 (compilation-shell-minor-mode))
1037 (if highlight-regexp
1038 (set (make-local-variable 'compilation-highlight-regexp)
1039 highlight-regexp))
6d2957c4 1040 ;; Output a mode setter, for saving and later reloading this buffer.
d42c87ab
RS
1041 (insert "-*- mode: " name-of-mode
1042 "; default-directory: " (prin1-to-string default-directory)
a67e5425 1043 " -*-\n"
314b410b
JL
1044 (format "%s started at %s\n\n"
1045 mode-name
1046 (substring (current-time-string) 0 19))
a67e5425 1047 command "\n")
abed5267 1048 (setq thisdir default-directory))
7837c247
SM
1049 (set-buffer-modified-p nil))
1050 ;; If we're already in the compilation buffer, go to the end
1051 ;; of the buffer, so point will track the compilation output.
1052 (if (eq outbuf (current-buffer))
1053 (goto-char (point-max)))
1054 ;; Pop up the compilation buffer.
1055 (setq outwin (display-buffer outbuf nil t))
1056 (with-current-buffer outbuf
577bf5d2
JL
1057 (let ((process-environment
1058 (append
1059 compilation-environment
1060 (if (if (boundp 'system-uses-terminfo) ; `if' for compiler warning
1061 system-uses-terminfo)
1062 (list "TERM=dumb" "TERMCAP="
1063 (format "COLUMNS=%d" (window-width)))
1064 (list "TERM=emacs"
1065 (format "TERMCAP=emacs:co#%d:tc=unknown:"
1066 (window-width))))
1067 ;; Set the EMACS variable, but
1068 ;; don't override users' setting of $EMACS.
1069 (unless (getenv "EMACS") '("EMACS=t"))
1070 (copy-sequence process-environment))))
577bf5d2
JL
1071 (set (make-local-variable 'compilation-arguments)
1072 (list command mode name-function highlight-regexp))
1073 (set (make-local-variable 'revert-buffer-function)
1074 'compilation-revert-buffer)
1075 (set-window-start outwin (point-min))
1076 (or (eq outwin (selected-window))
1077 (set-window-point outwin (if compilation-scroll-output
1078 (point)
1079 (point-min))))
1080 ;; The setup function is called before compilation-set-window-height
1081 ;; so it can set the compilation-window-height buffer locally.
1082 (if compilation-process-setup-function
1083 (funcall compilation-process-setup-function))
1084 (compilation-set-window-height outwin)
1085 ;; Start the compilation.
1086 (if (fboundp 'start-process)
1087 (let ((proc (if (eq mode t)
1088 (get-buffer-process
1089 (with-no-warnings
1090 (comint-exec outbuf (downcase mode-name)
1091 shell-file-name nil `("-c" ,command))))
1092 (start-process-shell-command (downcase mode-name)
1093 outbuf command))))
1094 ;; Make the buffer's mode line show process state.
1095 (setq mode-line-process '(":%s"))
1096 (set-process-sentinel proc 'compilation-sentinel)
1097 (set-process-filter proc 'compilation-filter)
1098 (set-marker (process-mark proc) (point) outbuf)
32eb2c08
SM
1099 (when compilation-disable-input
1100 (condition-case nil
1101 (process-send-eof proc)
1102 ;; The process may have exited already.
1103 (error nil)))
577bf5d2
JL
1104 (setq compilation-in-progress
1105 (cons proc compilation-in-progress)))
1106 ;; No asynchronous processes available.
1107 (message "Executing `%s'..." command)
1108 ;; Fake modeline display as if `start-process' were run.
1109 (setq mode-line-process ":run")
1110 (force-mode-line-update)
1111 (sit-for 0) ; Force redisplay
cf63e6fa
EZ
1112 (let* ((buffer-read-only nil) ; call-process needs to modify outbuf
1113 (status (call-process shell-file-name nil outbuf nil "-c"
1114 command)))
577bf5d2
JL
1115 (cond ((numberp status)
1116 (compilation-handle-exit 'exit status
1117 (if (zerop status)
1118 "finished\n"
1119 (format "\
fd5e58d7 1120exited abnormally with code %d\n"
577bf5d2
JL
1121 status))))
1122 ((stringp status)
1123 (compilation-handle-exit 'signal status
1124 (concat status "\n")))
1125 (t
1126 (compilation-handle-exit 'bizarre status status))))
1127 ;; Without async subprocesses, the buffer is not yet
1128 ;; fontified, so fontify it now.
1129 (let ((font-lock-verbose nil)) ; shut up font-lock messages
1130 (font-lock-fontify-buffer))
cf63e6fa 1131 (set-buffer-modified-p nil)
199143f1
DP
1132 (message "Executing `%s'...done" command)))
1133 ;; Now finally cd to where the shell started make/grep/...
1134 (setq default-directory thisdir))
7837c247
SM
1135 (if (buffer-local-value 'compilation-scroll-output outbuf)
1136 (save-selected-window
1137 (select-window outwin)
043442b4
KS
1138 (goto-char (point-max))))
1139 ;; Make it so the next C-x ` will use this buffer.
5d9f0de2 1140 (setq next-error-last-buffer outbuf)))
55dfd2c4 1141
c94b02d6 1142(defun compilation-set-window-height (window)
851231e9 1143 "Set the height of WINDOW according to `compilation-window-height'."
9ac57479
KS
1144 (let ((height (buffer-local-value 'compilation-window-height (window-buffer window))))
1145 (and height
1146 (= (window-width window) (frame-width (window-frame window)))
1147 ;; If window is alone in its frame, aside from a minibuffer,
1148 ;; don't change its height.
1149 (not (eq window (frame-root-window (window-frame window))))
b3ef54c5
DP
1150 ;; Stef said that doing the saves in this order is safer:
1151 (save-excursion
9ac57479 1152 (save-selected-window
b3ef54c5
DP
1153 (select-window window)
1154 (enlarge-window (- height (window-height))))))))
c94b02d6 1155
4282eba1
SM
1156(defvar compilation-menu-map
1157 (let ((map (make-sparse-keymap "Errors")))
1158 (define-key map [stop-subjob]
37bf89ab 1159 '("Stop Compilation" . kill-compilation))
4282eba1
SM
1160 (define-key map [compilation-mode-separator2]
1161 '("----" . nil))
9ac57479 1162 (define-key map [compilation-first-error]
4282eba1 1163 '("First Error" . first-error))
9ac57479 1164 (define-key map [compilation-previous-error]
4282eba1 1165 '("Previous Error" . previous-error))
9ac57479 1166 (define-key map [compilation-next-error]
4282eba1
SM
1167 '("Next Error" . next-error))
1168 map))
1169
0b18a8f6 1170(defvar compilation-minor-mode-map
55dfd2c4 1171 (let ((map (make-sparse-keymap)))
9da85ee5 1172 (define-key map [mouse-2] 'compile-goto-error)
0ac804df 1173 (define-key map [follow-link] 'mouse-face)
55dfd2c4 1174 (define-key map "\C-c\C-c" 'compile-goto-error)
4e7ce12e 1175 (define-key map "\C-m" 'compile-goto-error)
d3cb357b 1176 (define-key map "\C-c\C-k" 'kill-compilation)
646bd331
RM
1177 (define-key map "\M-n" 'compilation-next-error)
1178 (define-key map "\M-p" 'compilation-previous-error)
d1ed4475
RM
1179 (define-key map "\M-{" 'compilation-previous-file)
1180 (define-key map "\M-}" 'compilation-next-file)
4282eba1
SM
1181 ;; Set up the menu-bar
1182 (define-key map [menu-bar compilation]
1183 (cons "Errors" compilation-menu-map))
55dfd2c4 1184 map)
4f6e4ad6 1185 "Keymap for `compilation-minor-mode'.")
0b18a8f6 1186
a24770bc
RS
1187(defvar compilation-shell-minor-mode-map
1188 (let ((map (make-sparse-keymap)))
a24770bc
RS
1189 (define-key map "\M-\C-m" 'compile-goto-error)
1190 (define-key map "\M-\C-n" 'compilation-next-error)
1191 (define-key map "\M-\C-p" 'compilation-previous-error)
1192 (define-key map "\M-{" 'compilation-previous-file)
1193 (define-key map "\M-}" 'compilation-next-file)
1194 ;; Set up the menu-bar
4282eba1
SM
1195 (define-key map [menu-bar compilation]
1196 (cons "Errors" compilation-menu-map))
a24770bc
RS
1197 map)
1198 "Keymap for `compilation-shell-minor-mode'.")
1199
60470fd2
SM
1200(defvar compilation-button-map
1201 (let ((map (make-sparse-keymap)))
1202 (define-key map [mouse-2] 'compile-goto-error)
0ac804df 1203 (define-key map [follow-link] 'mouse-face)
60470fd2
SM
1204 (define-key map "\C-m" 'compile-goto-error)
1205 map)
1206 "Keymap for compilation-message buttons.")
1207(fset 'compilation-button-map compilation-button-map)
1208
0b18a8f6 1209(defvar compilation-mode-map
4282eba1 1210 (let ((map (make-sparse-keymap)))
261b01c6
RS
1211 ;; Don't inherit from compilation-minor-mode-map,
1212 ;; because that introduces a menu bar item we don't want.
1213 ;; That confuses C-down-mouse-3.
5988691b 1214 (define-key map [mouse-2] 'compile-goto-error)
0ac804df 1215 (define-key map [follow-link] 'mouse-face)
5988691b
RS
1216 (define-key map "\C-c\C-c" 'compile-goto-error)
1217 (define-key map "\C-m" 'compile-goto-error)
1218 (define-key map "\C-c\C-k" 'kill-compilation)
1219 (define-key map "\M-n" 'compilation-next-error)
1220 (define-key map "\M-p" 'compilation-previous-error)
1221 (define-key map "\M-{" 'compilation-previous-file)
1222 (define-key map "\M-}" 'compilation-next-file)
70fec115
JL
1223 (define-key map "\t" 'compilation-next-error)
1224 (define-key map [backtab] 'compilation-previous-error)
5988691b 1225
0b18a8f6
RM
1226 (define-key map " " 'scroll-up)
1227 (define-key map "\^?" 'scroll-down)
221206e3 1228 (define-key map "\C-c\C-f" 'next-error-follow-minor-mode)
9ac57479 1229
e60476ca 1230 ;; Set up the menu-bar
5988691b
RS
1231 (let ((submap (make-sparse-keymap "Compile")))
1232 (define-key map [menu-bar compilation]
1233 (cons "Compile" submap))
1234 (set-keymap-parent submap compilation-menu-map))
4282eba1 1235 (define-key map [menu-bar compilation compilation-separator2]
e60476ca 1236 '("----" . nil))
9ac57479 1237 (define-key map [menu-bar compilation compilation-grep]
314b410b 1238 '("Search Files (grep)..." . grep))
9ac57479 1239 (define-key map [menu-bar compilation compilation-recompile]
e60476ca 1240 '("Recompile" . recompile))
9ac57479 1241 (define-key map [menu-bar compilation compilation-compile]
32f4ab17 1242 '("Compile..." . compile))
0b18a8f6
RM
1243 map)
1244 "Keymap for compilation log buffers.
4282eba1 1245`compilation-minor-mode-map' is a parent of this.")
55dfd2c4 1246
0a35bd79
RS
1247(put 'compilation-mode 'mode-class 'special)
1248
c536bb39
SM
1249(defvar compilation-skip-to-next-location t
1250 "*If non-nil, skip multiple error messages for the same source location.")
1251
1252(defcustom compilation-skip-threshold 1
1253 "*Compilation motion commands skip less important messages.
1254The value can be either 2 -- skip anything less than error, 1 --
1255skip anything less than warning or 0 -- don't skip any messages.
1256Note that all messages not positively identified as warning or
1257info, are considered errors."
1258 :type '(choice (const :tag "Warnings and info" 2)
1259 (const :tag "Info" 1)
1260 (const :tag "None" 0))
f6164cdd 1261 :group 'compilation
bf247b6e 1262 :version "22.1")
c536bb39
SM
1263
1264(defcustom compilation-skip-visited nil
1265 "*Compilation motion commands skip visited messages if this is t.
1266Visited messages are ones for which the file, line and column have been jumped
1267to from the current content in the current compilation buffer, even if it was
1268from a different message."
1269 :type 'boolean
f6164cdd 1270 :group 'compilation
bf247b6e 1271 :version "22.1")
c536bb39 1272
501cf428 1273;;;###autoload
d42c87ab 1274(defun compilation-mode (&optional name-of-mode)
55dfd2c4
RS
1275 "Major mode for compilation log buffers.
1276\\<compilation-mode-map>To visit the source for a line-numbered error,
d3cb357b 1277move point to the error message line and type \\[compile-goto-error].
7c163413
RM
1278To kill the compilation, type \\[kill-compilation].
1279
2894bd96 1280Runs `compilation-mode-hook' with `run-mode-hooks' (which see).
8ff2ed52
RS
1281
1282\\{compilation-mode-map}"
55dfd2c4 1283 (interactive)
9af0d309 1284 (kill-all-local-variables)
55dfd2c4 1285 (use-local-map compilation-mode-map)
0b18a8f6 1286 (setq major-mode 'compilation-mode
d42c87ab 1287 mode-name (or name-of-mode "Compilation"))
7837c247
SM
1288 (set (make-local-variable 'page-delimiter)
1289 compilation-page-delimiter)
0b18a8f6 1290 (compilation-setup)
bd8c6db5 1291 (setq buffer-read-only t)
7837c247
SM
1292 (run-mode-hooks 'compilation-mode-hook))
1293
1294(defmacro define-compilation-mode (mode name doc &rest body)
1295 "This is like `define-derived-mode' without the PARENT argument.
1296The parent is always `compilation-mode' and the customizable `compilation-...'
bac3a1c9
JL
1297variables are also set from the name of the mode you have chosen,
1298by replacing the first word, e.g `compilation-scroll-output' from
1299`grep-scroll-output' if that variable exists."
7837c247
SM
1300 (let ((mode-name (replace-regexp-in-string "-mode\\'" "" (symbol-name mode))))
1301 `(define-derived-mode ,mode compilation-mode ,name
1302 ,doc
1303 ,@(mapcar (lambda (v)
1304 (setq v (cons v
1305 (intern-soft (replace-regexp-in-string
1306 "^compilation" mode-name
1307 (symbol-name v)))))
1308 (and (cdr v)
1309 (or (boundp (cdr v))
1310 (if (boundp 'byte-compile-bound-variables)
1311 (memq (cdr v) byte-compile-bound-variables)))
1312 `(set (make-local-variable ',(car v)) ,(cdr v))))
1313 '(compilation-buffer-name-function
1314 compilation-directory-matcher
1315 compilation-error
1316 compilation-error-regexp-alist
1317 compilation-error-regexp-alist-alist
1318 compilation-error-screen-columns
1319 compilation-finish-function
1320 compilation-finish-functions
1321 compilation-first-column
1322 compilation-mode-font-lock-keywords
1323 compilation-page-delimiter
1324 compilation-parse-errors-filename-function
1325 compilation-process-setup-function
1326 compilation-scroll-output
1327 compilation-search-path
1328 compilation-skip-threshold
1329 compilation-window-height))
1330 ,@body)))
0b18a8f6 1331
58856335 1332(defun compilation-revert-buffer (ignore-auto noconfirm)
9ed2ab9f
RS
1333 (if buffer-file-name
1334 (let (revert-buffer-function)
9ac57479 1335 (revert-buffer ignore-auto noconfirm))
9ed2ab9f 1336 (if (or noconfirm (yes-or-no-p (format "Restart compilation? ")))
7837c247
SM
1337 (apply 'compilation-start compilation-arguments))))
1338
c536bb39
SM
1339(defvar compilation-current-error nil
1340 "Marker to the location from where the next error will be found.
1341The global commands next/previous/first-error/goto-error use this.")
51c8ad03 1342
9b7b51a2
SM
1343(defvar compilation-messages-start nil
1344 "Buffer position of the beginning of the compilation messages.
1345If nil, use the beginning of buffer.")
1346
7837c247
SM
1347;; A function name can't be a hook, must be something with a value.
1348(defconst compilation-turn-on-font-lock 'turn-on-font-lock)
58856335 1349
7837c247 1350(defun compilation-setup (&optional minor)
6f5b7627
SM
1351 "Prepare the buffer for the compilation parsing commands to work.
1352Optional argument MINOR indicates this is called from
1353`compilation-minor-mode'."
51c8ad03 1354 (make-local-variable 'compilation-current-error)
9b7b51a2 1355 (make-local-variable 'compilation-messages-start)
18aac618 1356 (make-local-variable 'compilation-error-screen-columns)
b3a7f48f 1357 (make-local-variable 'overlay-arrow-position)
8b71e4d1 1358 (set (make-local-variable 'overlay-arrow-string) "")
6a1cdc5b
JL
1359 (setq next-error-overlay-arrow-position nil)
1360 (add-hook 'kill-buffer-hook
1361 (lambda () (setq next-error-overlay-arrow-position nil)) nil t)
9b7b51a2
SM
1362 ;; Note that compilation-next-error-function is for interfacing
1363 ;; with the next-error function in simple.el, and it's only
1364 ;; coincidentally named similarly to compilation-next-error.
1365 (setq next-error-function 'compilation-next-error-function)
7837c247
SM
1366 (set (make-local-variable 'font-lock-extra-managed-props)
1367 '(directory message help-echo mouse-face debug))
1368 (set (make-local-variable 'compilation-locs)
1369 (make-hash-table :test 'equal :weakness 'value))
6f5b7627 1370 ;; lazy-lock would never find the message unless it's scrolled to.
c536bb39
SM
1371 ;; jit-lock might fontify some things too late.
1372 (set (make-local-variable 'font-lock-support-mode) nil)
7837c247 1373 (set (make-local-variable 'font-lock-maximum-size) nil)
963b2040
CY
1374 (if minor
1375 (let ((fld font-lock-defaults))
f6164cdd 1376 (font-lock-add-keywords nil (compilation-mode-font-lock-keywords))
f6164cdd
DP
1377 (if font-lock-mode
1378 (if fld
1379 (font-lock-fontify-buffer)
1380 (font-lock-change-mode)
1381 (turn-on-font-lock))
963b2040 1382 (turn-on-font-lock)))
49d11c49 1383 (setq font-lock-defaults '(compilation-mode-font-lock-keywords t))
963b2040
CY
1384 ;; maybe defer font-lock till after derived mode is set up
1385 (run-mode-hooks 'compilation-turn-on-font-lock)))
0b18a8f6 1386
7052680b 1387;;;###autoload
4282eba1 1388(define-minor-mode compilation-shell-minor-mode
7052680b
RS
1389 "Toggle compilation shell minor mode.
1390With arg, turn compilation mode on if and only if arg is positive.
4282eba1
SM
1391In this minor mode, all the error-parsing commands of the
1392Compilation major mode are available but bound to keys that don't
1393collide with Shell mode. See `compilation-mode'.
7052680b 1394Turning the mode on runs the normal hook `compilation-shell-minor-mode-hook'."
7837c247 1395 nil " Shell-Compile"
d408fed8 1396 :group 'compilation
7837c247
SM
1397 (if compilation-shell-minor-mode
1398 (compilation-setup t)
1399 (font-lock-remove-keywords nil (compilation-mode-font-lock-keywords))
1400 (font-lock-fontify-buffer)))
7052680b 1401
d6bd8dca 1402;;;###autoload
4282eba1 1403(define-minor-mode compilation-minor-mode
0b18a8f6
RM
1404 "Toggle compilation minor mode.
1405With arg, turn compilation mode on if and only if arg is positive.
4282eba1
SM
1406In this minor mode, all the error-parsing commands of the
1407Compilation major mode are available. See `compilation-mode'.
fee3f63a 1408Turning the mode on runs the normal hook `compilation-minor-mode-hook'."
7837c247 1409 nil " Compilation"
d408fed8 1410 :group 'compilation
7837c247
SM
1411 (if compilation-minor-mode
1412 (compilation-setup t)
1413 (font-lock-remove-keywords nil (compilation-mode-font-lock-keywords))
1414 (font-lock-fontify-buffer)))
55dfd2c4 1415
fd5e58d7 1416(defun compilation-handle-exit (process-status exit-status msg)
6f5b7627 1417 "Write MSG in the current buffer and hack its mode-line-process."
d42c87ab 1418 (let ((inhibit-read-only t)
fd5e58d7
RM
1419 (status (if compilation-exit-message-function
1420 (funcall compilation-exit-message-function
1421 process-status exit-status msg)
1422 (cons msg exit-status)))
1423 (omax (point-max))
1424 (opoint (point)))
b3a7f48f 1425 ;; Record where we put the message, so we can ignore it later on.
fd5e58d7
RM
1426 (goto-char omax)
1427 (insert ?\n mode-name " " (car status))
0eac1faa 1428 (if (and (numberp compilation-window-height)
7837c247
SM
1429 (zerop compilation-window-height))
1430 (message "%s" (cdr status)))
01c50447
RS
1431 (if (bolp)
1432 (forward-char -1))
fd5e58d7 1433 (insert " at " (substring (current-time-string) 0 19))
01c50447 1434 (goto-char (point-max))
47092737
RS
1435 ;; Prevent that message from being recognized as a compilation error.
1436 (add-text-properties omax (point)
1437 (append '(compilation-handle-exit t) nil))
52f84622 1438 (setq mode-line-process (format ":%s [%s]" process-status (cdr status)))
fd5e58d7
RM
1439 ;; Force mode line redisplay soon.
1440 (force-mode-line-update)
1441 (if (and opoint (< opoint omax))
1442 (goto-char opoint))
a5f1c37e
RS
1443 (with-no-warnings
1444 (if compilation-finish-function
1445 (funcall compilation-finish-function (current-buffer) msg)))
4cc36b17
RS
1446 (let ((functions compilation-finish-functions))
1447 (while functions
1448 (funcall (car functions) (current-buffer) msg)
1449 (setq functions (cdr functions))))))
fd5e58d7 1450
55dfd2c4 1451;; Called when compilation process changes state.
55dfd2c4 1452(defun compilation-sentinel (proc msg)
d3cb357b 1453 "Sentinel for compilation buffers."
b3a7f48f
DP
1454 (if (memq (process-status proc) '(exit signal))
1455 (let ((buffer (process-buffer proc)))
1456 (if (null (buffer-name buffer))
1457 ;; buffer killed
1458 (set-process-buffer proc nil)
1459 (with-current-buffer buffer
1460 ;; Write something in the compilation buffer
1461 ;; and hack its mode line.
1462 (compilation-handle-exit (process-status proc)
1463 (process-exit-status proc)
1464 msg)
1465 ;; Since the buffer and mode line will show that the
1466 ;; process is dead, we can delete it now. Otherwise it
1467 ;; will stay around until M-x list-processes.
1468 (delete-process proc)))
1469 (setq compilation-in-progress (delq proc compilation-in-progress)))))
55dfd2c4 1470
ad62b7f1
RM
1471(defun compilation-filter (proc string)
1472 "Process filter for compilation buffers.
4f6e4ad6 1473Just inserts the text, but uses `insert-before-markers'."
991c70f8 1474 (if (buffer-name (process-buffer proc))
c536bb39
SM
1475 (with-current-buffer (process-buffer proc)
1476 (let ((inhibit-read-only t))
991c70f8
RS
1477 (save-excursion
1478 (goto-char (process-mark proc))
1479 (insert-before-markers string)
7837c247 1480 (run-hooks 'compilation-filter-hook))))))
b5bb472e 1481
5d9f0de2
KS
1482;;; test if a buffer is a compilation buffer, assuming we're in the buffer
1483(defsubst compilation-buffer-internal-p ()
1484 "Test if inside a compilation buffer."
1485 (local-variable-p 'compilation-locs))
1486
1487;;; test if a buffer is a compilation buffer, using compilation-buffer-internal-p
51ba27e7 1488(defsubst compilation-buffer-p (buffer)
5d9f0de2
KS
1489 "Test if BUFFER is a compilation buffer."
1490 (with-current-buffer buffer
1491 (compilation-buffer-internal-p)))
7837c247
SM
1492
1493(defmacro compilation-loop (< property-change 1+ error)
1494 `(while (,< n 0)
1495 (or (setq pt (,property-change pt 'message))
1496 (error ,error compilation-error))
1497 ;; prop 'message usually has 2 changes, on and off, so re-search if off
1498 (or (setq msg (get-text-property pt 'message))
1499 (if (setq pt (,property-change pt 'message))
1500 (setq msg (get-text-property pt 'message)))
1501 (error ,error compilation-error))
1502 (or (< (cadr msg) compilation-skip-threshold)
1503 (if different-file
1504 (eq (prog1 last (setq last (nth 2 (car msg))))
1505 last))
1506 (if compilation-skip-visited
1507 (nthcdr 4 (car msg)))
1508 (if compilation-skip-to-next-location
1509 (eq (car msg) loc))
1510 ;; count this message only if none of the above are true
1511 (setq n (,1+ n)))))
1512
51c8ad03 1513(defun compilation-next-error (n &optional different-file pt)
646bd331 1514 "Move point to the next error in the compilation buffer.
851231e9
DL
1515Prefix arg N says how many error messages to move forwards (or
1516backwards, if negative).
646bd331
RM
1517Does NOT find the source line like \\[next-error]."
1518 (interactive "p")
1519 (or (compilation-buffer-p (current-buffer))
851231e9 1520 (error "Not in a compilation buffer"))
51c8ad03 1521 (or pt (setq pt (point)))
51c8ad03
DP
1522 (let* ((msg (get-text-property pt 'message))
1523 (loc (car msg))
1524 last)
7837c247
SM
1525 (if (zerop n)
1526 (unless (or msg ; find message near here
c536bb39
SM
1527 (setq msg (get-text-property (max (1- pt) (point-min))
1528 'message)))
7837c247 1529 (setq pt (previous-single-property-change pt 'message nil
c536bb39 1530 (line-beginning-position)))
b3a7f48f 1531 (unless (setq msg (get-text-property (max (1- pt) (point-min)) 'message))
7837c247 1532 (setq pt (next-single-property-change pt 'message nil
c536bb39 1533 (line-end-position)))
b3a7f48f
DP
1534 (or (setq msg (get-text-property pt 'message))
1535 (setq pt (point)))))
7837c247 1536 (setq last (nth 2 (car msg)))
51c8ad03
DP
1537 (if (>= n 0)
1538 (compilation-loop > next-single-property-change 1-
1539 (if (get-buffer-process (current-buffer))
1540 "No more %ss yet"
1541 "Moved past last %s"))
c536bb39
SM
1542 ;; Don't move "back" to message at or before point.
1543 ;; Pass an explicit (point-min) to make sure pt is non-nil.
1544 (setq pt (previous-single-property-change pt 'message nil (point-min)))
51c8ad03
DP
1545 (compilation-loop < previous-single-property-change 1+
1546 "Moved back before first %s")))
7837c247
SM
1547 (goto-char pt)
1548 (or msg
1549 (error "No %s here" compilation-error))))
646bd331
RM
1550
1551(defun compilation-previous-error (n)
1552 "Move point to the previous error in the compilation buffer.
851231e9
DL
1553Prefix arg N says how many error messages to move backwards (or
1554forwards, if negative).
7837c247 1555Does NOT find the source line like \\[previous-error]."
646bd331
RM
1556 (interactive "p")
1557 (compilation-next-error (- n)))
1558
b5bb472e 1559(defun compilation-next-file (n)
24299582
DP
1560 "Move point to the next error for a different file than the current one.
1561Prefix arg N says how many files to move forwards (or backwards, if negative)."
b5bb472e 1562 (interactive "p")
7837c247 1563 (compilation-next-error n t))
b5bb472e
RM
1564
1565(defun compilation-previous-file (n)
24299582
DP
1566 "Move point to the previous error for a different file than the current one.
1567Prefix arg N says how many files to move backwards (or forwards, if negative)."
b5bb472e
RM
1568 (interactive "p")
1569 (compilation-next-file (- n)))
1570
55dfd2c4 1571(defun kill-compilation ()
b765ba64 1572 "Kill the process made by the \\[compile] or \\[grep] commands."
55dfd2c4 1573 (interactive)
d3cb357b 1574 (let ((buffer (compilation-find-buffer)))
55dfd2c4 1575 (if (get-buffer-process buffer)
d3cb357b 1576 (interrupt-process (get-buffer-process buffer))
bac3a1c9 1577 (error "The %s process is not running" (downcase mode-name)))))
d3cb357b 1578
9da85ee5 1579(defalias 'compile-mouse-goto-error 'compile-goto-error)
c536bb39 1580
9da85ee5
SM
1581(defun compile-goto-error (&optional event)
1582 "Visit the source for the error message at point.
7837c247 1583Use this command in a compilation log buffer. Sets the mark at point there."
9da85ee5 1584 (interactive (list last-input-event))
a6cd3f65 1585 (if event (posn-set-point (event-end event)))
d3cb357b 1586 (or (compilation-buffer-p (current-buffer))
851231e9 1587 (error "Not in a compilation buffer"))
b3a7f48f
DP
1588 (if (get-text-property (point) 'directory)
1589 (dired-other-window (car (get-text-property (point) 'directory)))
1590 (push-mark)
1591 (setq compilation-current-error (point))
942c40e3 1592 (next-error-internal)))
55dfd2c4 1593
d3cb357b
RM
1594;; Return a compilation buffer.
1595;; If the current buffer is a compilation buffer, return it.
d3cb357b
RM
1596;; Otherwise, look for a compilation buffer and signal an error
1597;; if there are none.
749354f0
RS
1598(defun compilation-find-buffer (&optional avoid-current)
1599 (next-error-find-buffer avoid-current 'compilation-buffer-internal-p))
d3cb357b
RM
1600
1601;;;###autoload
5d9f0de2 1602(defun compilation-next-error-function (n &optional reset)
a5f1c37e
RS
1603 "Advance to the next error message and visit the file where the error was.
1604This is the value of `next-error-function' in Compilation buffers."
7837c247 1605 (interactive "p")
5d9f0de2
KS
1606 (when reset
1607 (setq compilation-current-error nil))
7837c247
SM
1608 (let* ((columns compilation-error-screen-columns) ; buffer's local value
1609 (last 1)
51c8ad03 1610 (loc (compilation-next-error (or n 1) nil
9b7b51a2
SM
1611 (or compilation-current-error
1612 compilation-messages-start
1613 (point-min))))
7837c247
SM
1614 (end-loc (nth 2 loc))
1615 (marker (point-marker)))
51c8ad03 1616 (setq compilation-current-error (point-marker)
b3a7f48f
DP
1617 overlay-arrow-position
1618 (if (bolp)
1619 compilation-current-error
9b7b51a2 1620 (copy-marker (line-beginning-position)))
51c8ad03 1621 loc (car loc))
7837c247
SM
1622 ;; If loc contains no marker, no error in that file has been visited. If
1623 ;; the marker is invalid the buffer has been killed. So, recalculate all
1624 ;; markers for that file.
eb6fb6e2 1625 (unless (and (nth 3 loc) (marker-buffer (nth 3 loc)))
c536bb39 1626 (with-current-buffer (compilation-find-file marker (caar (nth 2 loc))
7957baea 1627 (cadr (car (nth 2 loc))))
7837c247
SM
1628 (save-restriction
1629 (widen)
c536bb39 1630 (goto-char (point-min))
7837c247
SM
1631 ;; Treat file's found lines in forward order, 1 by 1.
1632 (dolist (line (reverse (cddr (nth 2 loc))))
1633 (when (car line) ; else this is a filename w/o a line#
1634 (beginning-of-line (- (car line) last -1))
1635 (setq last (car line)))
1636 ;; Treat line's found columns and store/update a marker for each.
1637 (dolist (col (cdr line))
1638 (if (car col)
1639 (if (eq (car col) -1) ; special case for range end
1640 (end-of-line)
9c8e6c85 1641 (compilation-move-to-column (car col) columns))
7837c247
SM
1642 (beginning-of-line)
1643 (skip-chars-forward " \t"))
eb6fb6e2 1644 (if (nth 3 col)
7837c247
SM
1645 (set-marker (nth 3 col) (point))
1646 (setcdr (nthcdr 2 col) `(,(point-marker)))))))))
1647 (compilation-goto-locus marker (nth 3 loc) (nth 3 end-loc))
1648 (setcdr (nthcdr 3 loc) t))) ; Set this one as visited.
1649
e3bef839
SM
1650(defvar compilation-gcpro nil
1651 "Internal variable used to keep some values from being GC'd.")
1652(make-variable-buffer-local 'compilation-gcpro)
1653
eb6fb6e2
DP
1654(defun compilation-fake-loc (marker file &optional line col)
1655 "Preassociate MARKER with FILE.
dbd97672 1656FILE should be ABSOLUTE-FILENAME or (RELATIVE-FILENAME . DIRNAME).
eb6fb6e2
DP
1657This is useful when you compile temporary files, but want
1658automatic translation of the messages to the real buffer from
1659which the temporary file came. This only works if done before a
1660message about FILE appears!
1661
1662Optional args LINE and COL default to 1 and beginning of
1663indentation respectively. The marker is expected to reflect
1664this. In the simplest case the marker points to the first line
1665of the region that was saved to the temp file.
1666
1667If you concatenate several regions into the temp file (e.g. a
1668header with variable assignments and a code region), you must
1669call this several times, once each for the last line of one
1670region and the first line of the next region."
1671 (or (consp file) (setq file (list file)))
dbd97672 1672 (setq file (compilation-get-file-structure file))
e3bef839
SM
1673 ;; Between the current call to compilation-fake-loc and the first occurrence
1674 ;; of an error message referring to `file', the data is only kept is the
1675 ;; weak hash-table compilation-locs, so we need to prevent this entry
1676 ;; in compilation-locs from being GC'd away. --Stef
1677 (push file compilation-gcpro)
eb6fb6e2
DP
1678 (let ((loc (compilation-assq (or line 1) (cdr file))))
1679 (setq loc (compilation-assq col loc))
1680 (if (cdr loc)
1681 (setcdr (cddr loc) (list marker))
dbd97672 1682 (setcdr loc (list line file marker)))
eb6fb6e2
DP
1683 loc))
1684
8b71e4d1
NR
1685(defcustom compilation-context-lines nil
1686 "Display this many lines of leading context before the current message.
1687If nil and the left fringe is displayed, don't scroll the
1688compilation output window; an arrow in the left fringe points to
1689the current message. If nil and there is no left fringe, the message
1690displays at the top of the window; there is no arrow."
a3a9c080 1691 :type '(choice integer (const :tag "No window scrolling" nil))
f6164cdd 1692 :group 'compilation
bf247b6e 1693 :version "22.1")
7837c247
SM
1694
1695(defsubst compilation-set-window (w mk)
6f5b7627 1696 "Align the compilation output window W with marker MK near top."
a3a9c080
JL
1697 (if (integerp compilation-context-lines)
1698 (set-window-start w (save-excursion
8b71e4d1
NR
1699 (goto-char mk)
1700 (beginning-of-line
1701 (- 1 compilation-context-lines))
1702 (point)))
3c9e7f42
RS
1703 ;; If there is no left fringe.
1704 (if (equal (car (window-fringes)) 0)
8b71e4d1
NR
1705 (set-window-start w (save-excursion
1706 (goto-char mk)
1707 (beginning-of-line 1)
1708 (point)))))
1709 (set-window-point w mk))
7837c247 1710
0ea50e43
RS
1711(defvar next-error-highlight-timer)
1712
7837c247 1713(defun compilation-goto-locus (msg mk end-mk)
6f5b7627 1714 "Jump to an error corresponding to MSG at MK.
9dc3a46a
JL
1715All arguments are markers. If END-MK is non-nil, mark is set there
1716and overlay is highlighted between MK and END-MK."
eaa3cac5 1717 ;; Show compilation buffer in other window, scrolled to this error.
e5456e73
SM
1718 (let* ((from-compilation-buffer (eq (window-buffer (selected-window))
1719 (marker-buffer msg)))
1720 ;; Use an existing window if it is in a visible frame.
7bbbd31f 1721 (pre-existing (get-buffer-window (marker-buffer msg) 0))
e5456e73
SM
1722 (w (if (and from-compilation-buffer pre-existing)
1723 ;; Calling display-buffer here may end up (partly) hiding
1724 ;; the error location if the two buffers are in two
1725 ;; different frames. So don't do it if it's not necessary.
1726 pre-existing
1727 (let ((display-buffer-reuse-frames t)
1728 (pop-up-windows t))
1729 ;; Pop up a window.
1730 (display-buffer (marker-buffer msg)))))
7837c247
SM
1731 (highlight-regexp (with-current-buffer (marker-buffer msg)
1732 ;; also do this while we change buffer
1733 (compilation-set-window w msg)
9ac57479 1734 compilation-highlight-regexp)))
7bbbd31f
SM
1735 ;; Ideally, the window-size should be passed to `display-buffer' (via
1736 ;; something like special-display-buffer) so it's only used when
1737 ;; creating a new window.
1738 (unless pre-existing (compilation-set-window-height w))
9ac57479 1739
e5456e73
SM
1740 (if from-compilation-buffer
1741 ;; If the compilation buffer window was selected,
1742 ;; keep the compilation buffer in this window;
1743 ;; display the source in another window.
1744 (let ((pop-up-windows t))
1745 (pop-to-buffer (marker-buffer mk) 'other-window))
1746 (if (window-dedicated-p (selected-window))
1747 (pop-to-buffer (marker-buffer mk))
1748 (switch-to-buffer (marker-buffer mk))))
1749 ;; If narrowing gets in the way of going to the right place, widen.
1750 (unless (eq (goto-char mk) (point))
1751 (widen)
1752 (goto-char mk))
1753 (if end-mk
1754 (push-mark end-mk t)
1755 (if mark-active (setq mark-active)))
1756 ;; If hideshow got in the way of
1757 ;; seeing the right place, open permanently.
1758 (dolist (ov (overlays-at (point)))
1759 (when (eq 'hs (overlay-get ov 'invisible))
1760 (delete-overlay ov)
1761 (goto-char mk)))
1762
9dc3a46a 1763 (when highlight-regexp
073fcaf6
JL
1764 (if (timerp next-error-highlight-timer)
1765 (cancel-timer next-error-highlight-timer))
9ac57479 1766 (unless compilation-highlight-overlay
c536bb39
SM
1767 (setq compilation-highlight-overlay
1768 (make-overlay (point-min) (point-min)))
2beb6aa0 1769 (overlay-put compilation-highlight-overlay 'face 'next-error))
7837c247 1770 (with-current-buffer (marker-buffer mk)
9ac57479 1771 (save-excursion
9dc3a46a 1772 (if end-mk (goto-char end-mk) (end-of-line))
c536bb39 1773 (let ((end (point)))
9dc3a46a 1774 (if mk (goto-char mk) (beginning-of-line))
9ac57479 1775 (if (and (stringp highlight-regexp)
7837c247 1776 (re-search-forward highlight-regexp end t))
9ac57479
KS
1777 (progn
1778 (goto-char (match-beginning 0))
2beb6aa0
JL
1779 (move-overlay compilation-highlight-overlay
1780 (match-beginning 0) (match-end 0)
1781 (current-buffer)))
1782 (move-overlay compilation-highlight-overlay
1783 (point) end (current-buffer)))
1784 (if (numberp next-error-highlight)
073fcaf6
JL
1785 (setq next-error-highlight-timer
1786 (run-at-time next-error-highlight nil 'delete-overlay
1787 compilation-highlight-overlay)))
1788 (if (not (or (eq next-error-highlight t)
1789 (numberp next-error-highlight)))
2beb6aa0
JL
1790 (delete-overlay compilation-highlight-overlay))))))
1791 (when (and (eq next-error-highlight 'fringe-arrow))
6a1cdc5b
JL
1792 (setq next-error-overlay-arrow-position
1793 (copy-marker (line-beginning-position))))))
1794
eaa3cac5 1795\f
7957baea 1796(defun compilation-find-file (marker filename directory &rest formats)
851231e9 1797 "Find a buffer for file FILENAME.
ffb4b7a1
SM
1798Search the directories in `compilation-search-path'.
1799A nil in `compilation-search-path' means to try the
7957baea
RS
1800\"current\" directory, which is passed in DIRECTORY.
1801If DIRECTORY. is relative, it is combined with `default-directory'.
1802If DIRECTORY. is nil, that means use `default-directory'.
851231e9
DL
1803If FILENAME is not found at all, ask the user where to find it.
1804Pop up the buffer containing MARKER and scroll to MARKER if we ask the user."
20c1daec 1805 (or formats (setq formats '("%s")))
b8fa0ffd
SM
1806 (let ((dirs compilation-search-path)
1807 (spec-dir (if directory
1808 (expand-file-name directory)
1809 default-directory))
1810 buffer thisdir fmts name)
1811 (if (file-name-absolute-p filename)
1812 ;; The file name is absolute. Use its explicit directory as
1813 ;; the first in the search path, and strip it from FILENAME.
1814 (setq filename (abbreviate-file-name (expand-file-name filename))
1815 dirs (cons (file-name-directory filename) dirs)
1816 filename (file-name-nondirectory filename)))
1817 ;; Now search the path.
1818 (while (and dirs (null buffer))
1819 (setq thisdir (or (car dirs) spec-dir)
1820 fmts formats)
1821 ;; For each directory, try each format string.
1822 (while (and fmts (null buffer))
1823 (setq name (expand-file-name (format (car fmts) filename) thisdir)
1824 buffer (and (file-exists-p name)
1825 (find-file-noselect name))
1826 fmts (cdr fmts)))
1827 (setq dirs (cdr dirs)))
1828 (or buffer
1829 ;; The file doesn't exist. Ask the user where to find it.
1830 (save-excursion ;This save-excursion is probably not right.
1831 (let ((pop-up-windows t))
1832 (compilation-set-window (display-buffer (marker-buffer marker))
1833 marker)
1834 (let ((name (expand-file-name
1835 (read-file-name
1836 (format "Find this %s in (default %s): "
1837 compilation-error filename)
1838 spec-dir filename t))))
1839 (if (file-directory-p name)
1840 (setq name (expand-file-name filename name)))
1841 (setq buffer (and (file-exists-p name)
1842 (find-file-noselect name)))))))
1843 ;; Make intangible overlays tangible.
1844 ;; This is very weird: it's not even clear which is the current buffer,
1845 ;; so the code below can't be expected to DTRT here. --Stef
1846 (mapcar (function (lambda (ov)
1847 (when (overlay-get ov 'intangible)
1848 (overlay-put ov 'intangible nil))))
1849 (overlays-in (point-min) (point-max)))
1850 buffer))
721cfafe 1851
dbd97672
DP
1852(defun compilation-get-file-structure (file &optional fmt)
1853 "Retrieve FILE's file-structure or create a new one.
7957baea
RS
1854FILE should be (FILENAME) or (RELATIVE-FILENAME . DIRNAME).
1855In the former case, FILENAME may be relative or absolute.
dbd97672 1856
7957baea
RS
1857The file-structure looks like this:
1858 (list (list FILENAME [DIR-FROM-PREV-MSG]) FMT LINE-STRUCT...)
1859"
dbd97672
DP
1860 (or (gethash file compilation-locs)
1861 ;; File was not previously encountered, at least not in the form passed.
1862 ;; Let's normalize it and look again.
1863 (let ((filename (car file))
7957baea
RS
1864 ;; Get the specified directory from FILE.
1865 (spec-directory (if (cdr file)
1866 (file-truename (cdr file)))))
dbd97672
DP
1867
1868 ;; Check for a comint-file-name-prefix and prepend it if appropriate.
1869 ;; (This is very useful for compilation-minor-mode in an rlogin-mode
1870 ;; buffer.)
7957baea
RS
1871 (when (and (boundp 'comint-file-name-prefix)
1872 (not (equal comint-file-name-prefix "")))
1873 (if (file-name-absolute-p filename)
1874 (setq filename
1875 (concat comint-file-name-prefix filename))
1876 (if spec-directory
1877 (setq spec-directory
1878 (file-truename
1879 (concat comint-file-name-prefix spec-directory))))))
dbd97672
DP
1880
1881 ;; If compilation-parse-errors-filename-function is
1882 ;; defined, use it to process the filename.
1883 (when compilation-parse-errors-filename-function
1884 (setq filename
1885 (funcall compilation-parse-errors-filename-function
1886 filename)))
1887
1888 ;; Some compilers (e.g. Sun's java compiler, reportedly) produce bogus
1889 ;; file names like "./bar//foo.c" for file "bar/foo.c";
1890 ;; expand-file-name will collapse these into "/foo.c" and fail to find
1891 ;; the appropriate file. So we look for doubled slashes in the file
1892 ;; name and fix them.
1893 (setq filename (command-line-normalize-file-name filename))
1894
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1895 ;; Store it for the possibly unnormalized name
1896 (puthash file
1897 ;; Retrieve or create file-structure for normalized name
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1898 (or (gethash (list filename) compilation-locs)
1899 (puthash (list filename)
1900 (list (list filename spec-directory) fmt)
1901 compilation-locs))
dbd97672 1902 compilation-locs))))
51501e54 1903
7837c247 1904(add-to-list 'debug-ignored-errors "^No more [-a-z ]+s yet$")
f1ed9461 1905
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1906;;; Compatibility with the old compile.el.
1907
1908(defun compile-buffer-substring (n) (if n (match-string n)))
1909
1910(defun compilation-compat-error-properties (err)
6f5b7627 1911 "Map old-style error ERR to new-style message."
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1912 ;; Old-style structure is (MARKER (FILE DIR) LINE COL) or
1913 ;; (MARKER . MARKER).
1914 (let ((dst (cdr err)))
1915 (if (markerp dst)
1916 ;; Must start with a face, for font-lock.
1917 `(face nil
1918 message ,(list (list nil nil nil dst) 2)
1919 help-echo "mouse-2: visit the source location"
1920 keymap compilation-button-map
1921 mouse-face highlight)
1922 ;; Too difficult to do it by hand: dispatch to the normal code.
1923 (let* ((file (pop dst))
1924 (line (pop dst))
1925 (col (pop dst))
1926 (filename (pop file))
1927 (dirname (pop file))
1928 (fmt (pop file)))
1929 (compilation-internal-error-properties
1930 (cons filename dirname) line nil col nil 2 fmt)))))
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1931
1932(defun compilation-compat-parse-errors (limit)
1933 (when compilation-parse-errors-function
1934 ;; FIXME: We should remove the rest of the compilation keywords
1935 ;; but we can't do that from here because font-lock is using
1936 ;; the value right now. --stef
1937 (save-excursion
1938 (setq compilation-error-list nil)
1939 ;; Reset compilation-parsing-end each time because font-lock
1940 ;; might force us the re-parse many times (typically because
1941 ;; some code adds some text-property to the output that we
1942 ;; already parsed). You might say "why reparse", well:
1943 ;; because font-lock has just removed the `message' property so
1944 ;; have to do it all over again.
1945 (if compilation-parsing-end
1946 (set-marker compilation-parsing-end (point))
1947 (setq compilation-parsing-end (point-marker)))
1948 (condition-case nil
1949 ;; Ignore any error: we're calling this function earlier than
1950 ;; in the old compile.el so things might not all be setup yet.
1951 (funcall compilation-parse-errors-function limit nil)
1952 (error nil))
1953 (dolist (err (if (listp compilation-error-list) compilation-error-list))
1954 (let* ((src (car err))
1955 (dst (cdr err))
1956 (loc (cond ((markerp dst) (list nil nil nil dst))
1957 ((consp dst)
1958 (list (nth 2 dst) (nth 1 dst)
1959 (cons (cdar dst) (caar dst)))))))
1960 (when loc
1961 (goto-char src)
1962 ;; (put-text-property src (line-end-position) 'font-lock-face 'font-lock-warning-face)
1963 (put-text-property src (line-end-position)
1964 'message (list loc 2)))))))
1965 (goto-char limit)
1966 nil)
1967
9b7b51a2 1968;; Beware: this is not only compatiblity code. New code stil uses it. --Stef
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1969(defun compilation-forget-errors ()
1970 ;; In case we hit the same file/line specs, we want to recompute a new
1971 ;; marker for them, so flush our cache.
b3a7f48f 1972 (setq compilation-locs (make-hash-table :test 'equal :weakness 'value))
e3bef839 1973 (setq compilation-gcpro nil)
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1974 ;; FIXME: the old code reset the directory-stack, so maybe we should
1975 ;; put a `directory change' marker of some sort, but where? -stef
b3a7f48f 1976 ;;
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1977 ;; FIXME: The old code moved compilation-current-error (which was
1978 ;; virtually represented by a mix of compilation-parsing-end and
1979 ;; compilation-error-list) to point-min, but that was only meaningful for
1980 ;; the internal uses of compilation-forget-errors: all calls from external
1981 ;; packages seem to be followed by a move of compilation-parsing-end to
1982 ;; something equivalent to point-max. So we speculatively move
1983 ;; compilation-current-error to point-max (since the external package
1984 ;; won't know that it should do it). --stef
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1985 (setq compilation-current-error nil)
1986 (let* ((proc (get-buffer-process (current-buffer)))
1987 (mark (if proc (process-mark proc)))
1988 (pos (or mark (point-max))))
1989 (setq compilation-messages-start
1990 ;; In the future, ignore the text already present in the buffer.
1991 ;; Since many process filter functions insert before markers,
1992 ;; we need to put ours just before the insertion point rather
1993 ;; than at the insertion point. If that's not possible, then
1994 ;; don't use a marker. --Stef
1995 (if (> pos (point-min)) (copy-marker (1- pos)) pos))))
c536bb39 1996
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1997;;;###autoload
1998(add-to-list 'auto-mode-alist '("\\.gcov\\'" . compilation-mode))
1999
4746118a 2000(provide 'compile)
fad160d5 2001
822001db 2002;; arch-tag: 12465727-7382-4f72-b234-79855a00dd8c
fad160d5 2003;;; compile.el ends here