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1458 lines
56 KiB
EmacsLisp
1458 lines
56 KiB
EmacsLisp
;;; compile.el --- run compiler as inferior of Emacs, parse error messages.
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;; Copyright (C) 1985, 86, 87, 93, 94, 1995 Free Software Foundation, Inc.
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;; Author: Roland McGrath <roland@prep.ai.mit.edu>
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;; Maintainer: FSF
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;; Keywords: tools, processes
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to
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;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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;;; Commentary:
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;; This package provides the compile and grep facilities documented in
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;; the Emacs user's manual.
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;;; Code:
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;;;###autoload
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(defvar compilation-mode-hook nil
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"*List of hook functions run by `compilation-mode' (see `run-hooks').")
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;;;###autoload
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(defvar compilation-window-height nil
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"*Number of lines in a compilation window. If nil, use Emacs default.")
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(defvar compilation-error-list nil
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"List of error message descriptors for visiting erring functions.
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Each error descriptor is a cons (or nil). Its car is a marker pointing to
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an error message. If its cdr is a marker, it points to the text of the
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line the message is about. If its cdr is a cons, it is a list
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\(\(DIRECTORY . FILE\) LINE [COLUMN]\). Or its cdr may be nil if that
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error is not interesting.
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The value may be t instead of a list; this means that the buffer of
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error messages should be reparsed the next time the list of errors is wanted.
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Some other commands (like `diff') use this list to control the error
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message tracking facilites; if you change its structure, you should make
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sure you also change those packages. Perhaps it is better not to change
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it at all.")
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(defvar compilation-old-error-list nil
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"Value of `compilation-error-list' after errors were parsed.")
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(defvar compilation-parse-errors-function 'compilation-parse-errors
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"Function to call to parse error messages from a compilation.
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It takes args LIMIT-SEARCH and FIND-AT-LEAST.
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If LIMIT-SEARCH is non-nil, don't bother parsing past that location.
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If FIND-AT-LEAST is non-nil, don't bother parsing after finding that
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many new errors.
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It should read in the source files which have errors and set
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`compilation-error-list' to a list with an element for each error message
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found. See that variable for more info.")
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;;;###autoload
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(defvar compilation-buffer-name-function nil
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"Function to compute the name of a compilation buffer.
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The function receives one argument, the name of the major mode of the
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compilation buffer. It should return a string.
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nil means compute the name with `(concat \"*\" (downcase major-mode) \"*\")'.")
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;;;###autoload
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(defvar compilation-finish-function nil
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"*Function to call when a compilation process finishes.
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It is called with two arguments: the compilation buffer, and a string
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describing how the process finished.")
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(defvar compilation-last-buffer nil
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"The most recent compilation buffer.
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A buffer becomes most recent when its compilation is started
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or when it is used with \\[next-error] or \\[compile-goto-error].")
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(defvar compilation-in-progress nil
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"List of compilation processes now running.")
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(or (assq 'compilation-in-progress minor-mode-alist)
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(setq minor-mode-alist (cons '(compilation-in-progress " Compiling")
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minor-mode-alist)))
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(defvar compilation-parsing-end nil
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"Position of end of buffer when last error messages were parsed.")
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(defvar compilation-error-message "No more errors"
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"Message to print when no more matches are found.")
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(defvar compilation-num-errors-found)
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(defvar compilation-error-regexp-alist
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'(
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;; NOTE! See also grep-regexp-alist, below.
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;; 4.3BSD grep, cc, lint pass 1:
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;; /usr/src/foo/foo.c(8): warning: w may be used before set
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;; or GNU utilities:
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;; foo.c:8: error message
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;; or HP-UX 7.0 fc:
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;; foo.f :16 some horrible error message
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;; or GNU utilities with column (GNAT 1.82):
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;; foo.adb:2:1: Unit name does not match file name
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;;
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;; We'll insist that the number be followed by a colon or closing
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;; paren, because otherwise this matches just about anything
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;; containing a number with spaces around it.
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("\n\
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\\([^:( \t\n]+\\)[:(][ \t]*\\([0-9]+\\)\\([) \t]\\|\
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:\\([^0-9\n]\\|\\([0-9]+:\\)\\)\\)" 1 2 5)
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;; Borland C++:
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;; Error ping.c 15: Unable to open include file 'sys/types.h'
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;; Warning ping.c 68: Call to function 'func' with no prototype
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("\n\\(Error\\|Warning\\) \\([^:( \t\n]+\\)\
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\\([0-9]+\\)\\([) \t]\\|:[^0-9\n]\\)" 2 3)
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;; 4.3BSD lint pass 2
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;; strcmp: variable # of args. llib-lc(359) :: /usr/src/foo/foo.c(8)
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("[ \t:]\\([^:( \t\n]+\\)[:(](+[ \t]*\\([0-9]+\\))[:) \t]*$" 1 2)
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;; 4.3BSD lint pass 3
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;; bloofle defined( /users/wolfgang/foo.c(4) ), but never used
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;; This used to be
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;; ("[ \t(]+\\([^:( \t\n]+\\)[:( \t]+\\([0-9]+\\)[:) \t]+" 1 2)
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;; which is regexp Impressionism - it matches almost anything!
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("([ \t]*\\([^:( \t\n]+\\)[:(][ \t]*\\([0-9]+\\))" 1 2)
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;; Ultrix 3.0 f77:
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;; fort: Severe: addstf.f, line 82: Missing operator or delimiter symbol
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;; Some SGI cc version:
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;; cfe: Warning 835: foo.c, line 2: something
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("\n\\(cfe\\|fort\\): [^:\n]*: \\([^ \n]*\\), line \\([0-9]+\\):" 2 3)
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;; Error on line 3 of t.f: Execution error unclassifiable statement
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;; Unknown who does this:
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;; Line 45 of "foo.c": bloofel undefined
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;; Absoft FORTRAN 77 Compiler 3.1.3
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;; error on line 19 of fplot.f: spelling error?
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;; warning on line 17 of fplot.f: data type is undefined for variable d
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("\\(\n\\|on \\)[Ll]ine[ \t]+\\([0-9]+\\)[ \t]+\
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of[ \t]+\"?\\([^\":\n]+\\)\"?:" 3 2)
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;; Apollo cc, 4.3BSD fc:
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;; "foo.f", line 3: Error: syntax error near end of statement
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;; IBM RS6000:
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;; "vvouch.c", line 19.5: 1506-046 (S) Syntax error.
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;; Unknown compiler:
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;; File "foobar.ml", lines 5-8, characters 20-155: blah blah
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;; Microtec mcc68k:
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;; "foo.c", line 32 pos 1; (E) syntax error; unexpected symbol: "lossage"
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;; GNAT (as of July 94):
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;; "foo.adb", line 2(11): warning: file name does not match ...
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("\"\\([^,\" \n\t]+\\)\", lines? \\([0-9]+\\)[:., (-]" 1 2)
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;; MIPS RISC CC - the one distributed with Ultrix:
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;; ccom: Error: foo.c, line 2: syntax error
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;; DEC AXP OSF/1 cc
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;; /usr/lib/cmplrs/cc/cfe: Error: foo.c: 1: blah blah
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("rror: \\([^,\" \n\t]+\\)[,:] \\(line \\)?\\([0-9]+\\):" 1 3)
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;; IBM AIX PS/2 C version 1.1:
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;; ****** Error number 140 in line 8 of file errors.c ******
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("in line \\([0-9]+\\) of file \\([^ \n]+[^. \n]\\)\\.? " 2 1)
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;; IBM AIX lint is too painful to do right this way. File name
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;; prefixes entire sections rather than being on each line.
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;; Lucid Compiler, lcc 3.x
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;; E, file.cc(35,52) Illegal operation on pointers
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("\n[EW], \\([^(\n]*\\)(\\([0-9]+\\),[ \t]*\\([0-9]+\\)" 1 2 3)
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;; GNU messages with program name and optional column number.
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("\n[^0-9 \n\t:]+:[ \t]*\\([^ \n\t:]+\\):\
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\\([0-9]+\\):\\(\\([0-9]+\\)[: \t]\\)?" 1 2 4)
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;; Cray C compiler error messages
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("\n\\(cc\\| cft\\)-[0-9]+ c\\(c\\|f77\\): ERROR \\([^,\n]+, \\)* File = \\([^,\n]+\\), Line = \\([0-9]+\\)" 4 5)
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;; IBM C/C++ Tools 2.01:
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;; foo.c(2:0) : informational EDC0804: Function foo is not referenced.
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;; foo.c(3:8) : warning EDC0833: Implicit return statement encountered.
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;; foo.c(5:5) : error EDC0350: Syntax error.
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("\n\\([^( \n\t]+\\)(\\([0-9]+\\):\\([0-9]+\\)) : " 1 2 3)
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)
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"Alist that specifies how to match errors in compiler output.
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Each elt has the form (REGEXP FILE-IDX LINE-IDX [COLUMN-IDX FILE-FORMAT...])
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If REGEXP matches, the FILE-IDX'th subexpression gives the file name, and
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the LINE-IDX'th subexpression gives the line number. If COLUMN-IDX is
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given, the COLUMN-IDX'th subexpression gives the column number on that line.
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If any FILE-FORMAT is given, each is a format string to produce a file name to
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try; %s in the string is replaced by the text matching the FILE-IDX'th
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subexpression.")
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(defvar compilation-read-command t
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"If not nil, M-x compile reads the compilation command to use.
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Otherwise, M-x compile just uses the value of `compile-command'.")
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(defvar compilation-ask-about-save t
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"If not nil, M-x compile asks which buffers to save before compiling.
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Otherwise, it saves all modified buffers without asking.")
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(defvar grep-regexp-alist
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'(("^\\([^:( \t\n]+\\)[:( \t]+\\([0-9]+\\)[:) \t]" 1 2))
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"Regexp used to match grep hits. See `compilation-error-regexp-alist'.")
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(defvar grep-command "grep -n "
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"Last grep command used in \\[grep]; default for next grep.")
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;;;###autoload
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(defvar compilation-search-path '(nil)
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"*List of directories to search for source files named in error messages.
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Elements should be directory names, not file names of directories.
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nil as an element means to try the default directory.")
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(defvar compile-command "make -k "
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"Last shell command used to do a compilation; default for next compilation.
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Sometimes it is useful for files to supply local values for this variable.
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You might also use mode hooks to specify it in certain modes, like this:
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(setq c-mode-hook
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'(lambda () (or (file-exists-p \"makefile\") (file-exists-p \"Makefile\")
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(progn (make-local-variable 'compile-command)
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(setq compile-command
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(concat \"make -k \"
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buffer-file-name))))))")
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(defvar compilation-enter-directory-regexp
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": Entering directory `\\(.*\\)'$"
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"Regular expression matching lines that indicate a new current directory.
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This must contain one \\(, \\) pair around the directory name.
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The default value matches lines printed by the `-w' option of GNU Make.")
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(defvar compilation-leave-directory-regexp
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": Leaving directory `\\(.*\\)'$"
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"Regular expression matching lines that indicate restoring current directory.
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This may contain one \\(, \\) pair around the name of the directory
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being moved from. If it does not, the last directory entered \(by a
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line matching `compilation-enter-directory-regexp'\) is assumed.
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The default value matches lines printed by the `-w' option of GNU Make.")
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(defvar compilation-directory-stack nil
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"Stack of previous directories for `compilation-leave-directory-regexp'.
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The head element is the directory the compilation was started in.")
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;; History of compile commands.
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(defvar compile-history nil)
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;; History of grep commands.
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(defvar grep-history nil)
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(defvar compilation-mode-font-lock-keywords
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'(("^\\([^\n:]*:\\([0-9]+:\\)+\\)\\(.*\\)$" 1 font-lock-function-name-face))
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;;; ("^\\([^\n:]*:\\([0-9]+:\\)+\\)\\(.*\\)$" 0 font-lock-keyword-face keep)
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"Additional expressions to highlight in Compilation mode.")
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;;;###autoload
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(defun compile (command)
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"Compile the program including the current buffer. Default: run `make'.
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Runs COMMAND, a shell command, in a separate process asynchronously
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with output going to the buffer `*compilation*'.
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You can then use the command \\[next-error] to find the next error message
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and move to the source code that caused it.
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Interactively, prompts for the command if `compilation-read-command' is
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non-nil; otherwise uses `compile-command'. With prefix arg, always prompts.
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To run more than one compilation at once, start one and rename the
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\`*compilation*' buffer to some other name with \\[rename-buffer].
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Then start the next one.
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The name used for the buffer is actually whatever is returned by
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the function in `compilation-buffer-name-function', so you can set that
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to a function that generates a unique name."
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(interactive
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(if (or compilation-read-command current-prefix-arg)
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(list (read-from-minibuffer "Compile command: "
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compile-command nil nil
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'(compile-history . 1)))
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(list compile-command)))
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(setq compile-command command)
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(save-some-buffers (not compilation-ask-about-save) nil)
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(compile-internal compile-command "No more errors"))
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;;; run compile with the default command line
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(defun recompile ()
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"Re-compile the program including the current buffer."
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(interactive)
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(save-some-buffers (not compilation-ask-about-save) nil)
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(compile-internal compile-command "No more errors"))
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;; The system null device. (Should reference NULL_DEVICE from C.)
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(defvar grep-null-device "/dev/null" "The system null device.")
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;;;###autoload
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(defun grep (command-args)
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"Run grep, with user-specified args, and collect output in a buffer.
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While grep runs asynchronously, you can use the \\[next-error] command
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to find the text that grep hits refer to.
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This command uses a special history list for its arguments, so you can
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easily repeat a grep command."
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(interactive
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(list (read-from-minibuffer "Run grep (like this): "
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grep-command nil nil 'grep-history)))
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(compile-internal (concat command-args " " grep-null-device)
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"No more grep hits" "grep"
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;; Give it a simpler regexp to match.
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nil grep-regexp-alist))
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(defun compile-internal (command error-message
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&optional name-of-mode parser regexp-alist
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name-function)
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"Run compilation command COMMAND (low level interface).
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ERROR-MESSAGE is a string to print if the user asks to see another error
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and there are no more errors. Third argument NAME-OF-MODE is the name
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to display as the major mode in the compilation buffer.
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Fourth arg PARSER is the error parser function (nil means the default). Fifth
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arg REGEXP-ALIST is the error message regexp alist to use (nil means the
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default). Sixth arg NAME-FUNCTION is a function called to name the buffer (nil
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means the default). The defaults for these variables are the global values of
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\`compilation-parse-errors-function', `compilation-error-regexp-alist', and
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\`compilation-buffer-name-function', respectively.
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Returns the compilation buffer created."
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(let (outbuf)
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(save-excursion
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(or name-of-mode
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(setq name-of-mode "Compilation"))
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(setq outbuf
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(get-buffer-create
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(funcall (or name-function compilation-buffer-name-function
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(function (lambda (mode)
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(concat "*" (downcase mode) "*"))))
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name-of-mode)))
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(set-buffer outbuf)
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(let ((comp-proc (get-buffer-process (current-buffer))))
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(if comp-proc
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(if (or (not (eq (process-status comp-proc) 'run))
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(yes-or-no-p
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(format "A %s process is running; kill it? "
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name-of-mode)))
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(condition-case ()
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(progn
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(interrupt-process comp-proc)
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(sit-for 1)
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(delete-process comp-proc))
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(error nil))
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(error "Cannot have two processes in `%s' at once"
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(buffer-name))
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)))
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;; In case the compilation buffer is current, make sure we get the global
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;; values of compilation-error-regexp-alist, etc.
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(kill-all-local-variables))
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(let ((regexp-alist (or regexp-alist compilation-error-regexp-alist))
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(parser (or parser compilation-parse-errors-function))
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(thisdir default-directory)
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outwin)
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(save-excursion
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;; Clear out the compilation buffer and make it writable.
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;; Change its default-directory to the directory where the compilation
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;; will happen, and insert a `cd' command to indicate this.
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(set-buffer outbuf)
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(setq buffer-read-only nil)
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(buffer-disable-undo (current-buffer))
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(erase-buffer)
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(buffer-enable-undo (current-buffer))
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(setq default-directory thisdir)
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(insert "cd " thisdir "\n" command "\n")
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(set-buffer-modified-p nil))
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;; If we're already in the compilation buffer, go to the end
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;; of the buffer, so point will track the compilation output.
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(if (eq outbuf (current-buffer))
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(goto-char (point-max)))
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;; Pop up the compilation buffer.
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(setq outwin (display-buffer outbuf))
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(save-excursion
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(set-buffer outbuf)
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(compilation-mode)
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;; (setq buffer-read-only t) ;;; Non-ergonomic.
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(set (make-local-variable 'compilation-parse-errors-function) parser)
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(set (make-local-variable 'compilation-error-message) error-message)
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(set (make-local-variable 'compilation-error-regexp-alist) regexp-alist)
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(setq default-directory thisdir
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compilation-directory-stack (list default-directory))
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(set-window-start outwin (point-min))
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(setq mode-name name-of-mode)
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(or (eq outwin (selected-window))
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(set-window-point outwin (point-min)))
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(compilation-set-window-height outwin)
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;; Start the compilation.
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(if (fboundp 'start-process)
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(let* ((process-environment (cons "EMACS=t" process-environment))
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(proc (start-process-shell-command (downcase mode-name)
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outbuf
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command)))
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(set-process-sentinel proc 'compilation-sentinel)
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(set-process-filter proc 'compilation-filter)
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(set-marker (process-mark proc) (point) outbuf)
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(setq compilation-in-progress
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(cons proc compilation-in-progress)))
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;; No asynchronous processes available
|
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(message (format "Executing `%s'..." command))
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(sit-for 0) ;; Force redisplay
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(let ((status (call-process shell-file-name nil outbuf nil "-c"
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command))))
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(message (format "Executing `%s'...done" command)))))
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||
;; Make it so the next C-x ` will use this buffer.
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||
(setq compilation-last-buffer outbuf)))
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||
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;; Set the height of WINDOW according to compilation-window-height.
|
||
(defun compilation-set-window-height (window)
|
||
(and compilation-window-height
|
||
(= (window-width window) (frame-width (window-frame window)))
|
||
;; If window is alone in its frame, aside from a minibuffer,
|
||
;; don't change its height.
|
||
(not (eq window (frame-root-window (window-frame window))))
|
||
;; This save-excursion prevents us from changing the current buffer,
|
||
;; which might not be the same as the selected window's buffer.
|
||
(save-excursion
|
||
(let ((w (selected-window)))
|
||
(unwind-protect
|
||
(progn
|
||
(select-window window)
|
||
(enlarge-window (- compilation-window-height
|
||
(window-height))))
|
||
(select-window w))))))
|
||
|
||
(defvar compilation-minor-mode-map
|
||
(let ((map (make-sparse-keymap)))
|
||
(define-key map [mouse-2] 'compile-mouse-goto-error)
|
||
(define-key map "\C-c\C-c" 'compile-goto-error)
|
||
(define-key map "\C-m" 'compile-goto-error)
|
||
(define-key map "\C-c\C-k" 'kill-compilation)
|
||
(define-key map "\M-n" 'compilation-next-error)
|
||
(define-key map "\M-p" 'compilation-previous-error)
|
||
(define-key map "\M-{" 'compilation-previous-file)
|
||
(define-key map "\M-}" 'compilation-next-file)
|
||
map)
|
||
"Keymap for `compilation-minor-mode'.")
|
||
|
||
(defvar compilation-mode-map
|
||
(let ((map (cons 'keymap compilation-minor-mode-map)))
|
||
(define-key map " " 'scroll-up)
|
||
(define-key map "\^?" 'scroll-down)
|
||
;; Set up the menu-bar
|
||
(define-key map [menu-bar compilation-menu]
|
||
(cons "Compile" (make-sparse-keymap "Compile")))
|
||
|
||
(define-key map [menu-bar compilation-menu compilation-mode-kill-compilation]
|
||
'("Stop Compilation" . kill-compilation))
|
||
(define-key map [menu-bar compilation-menu compilation-mode-separator2]
|
||
'("----" . nil))
|
||
(define-key map [menu-bar compilation-menu compilation-mode-first-error]
|
||
'("First Error" . first-error))
|
||
(define-key map [menu-bar compilation-menu compilation-mode-previous-error]
|
||
'("Previous Error" . previous-error))
|
||
(define-key map [menu-bar compilation-menu compilation-mode-next-error]
|
||
'("Next Error" . next-error))
|
||
(define-key map [menu-bar compilation-menu compilation-separator2]
|
||
'("----" . nil))
|
||
(define-key map [menu-bar compilation-menu compilation-mode-grep]
|
||
'("Grep" . grep))
|
||
(define-key map [menu-bar compilation-menu compilation-mode-recompile]
|
||
'("Recompile" . recompile))
|
||
(define-key map [menu-bar compilation-menu compilation-mode-compile]
|
||
'("Compile" . compile))
|
||
map)
|
||
"Keymap for compilation log buffers.
|
||
`compilation-minor-mode-map' is a cdr of this.")
|
||
|
||
(defun compilation-mode ()
|
||
"Major mode for compilation log buffers.
|
||
\\<compilation-mode-map>To visit the source for a line-numbered error,
|
||
move point to the error message line and type \\[compile-goto-error].
|
||
To kill the compilation, type \\[kill-compilation].
|
||
|
||
Runs `compilation-mode-hook' with `run-hooks' (which see)."
|
||
(interactive)
|
||
(kill-all-local-variables)
|
||
(use-local-map compilation-mode-map)
|
||
(setq major-mode 'compilation-mode
|
||
mode-name "Compilation")
|
||
(compilation-setup)
|
||
(set (make-local-variable 'font-lock-defaults)
|
||
'(compilation-mode-font-lock-keywords t))
|
||
(run-hooks 'compilation-mode-hook))
|
||
|
||
;; Prepare the buffer for the compilation parsing commands to work.
|
||
(defun compilation-setup ()
|
||
;; Make the buffer's mode line show process state.
|
||
(setq mode-line-process '(":%s"))
|
||
(set (make-local-variable 'compilation-error-list) nil)
|
||
(set (make-local-variable 'compilation-old-error-list) nil)
|
||
(set (make-local-variable 'compilation-parsing-end) 1)
|
||
(set (make-local-variable 'compilation-directory-stack) nil)
|
||
(setq compilation-last-buffer (current-buffer)))
|
||
|
||
(defvar compilation-minor-mode nil
|
||
"Non-nil when in compilation-minor-mode.
|
||
In this minor mode, all the error-parsing commands of the
|
||
Compilation major mode are available.")
|
||
(make-variable-buffer-local 'compilation-minor-mode)
|
||
|
||
(or (assq 'compilation-minor-mode minor-mode-alist)
|
||
(setq minor-mode-alist (cons '(compilation-minor-mode " Compilation")
|
||
minor-mode-alist)))
|
||
(or (assq 'compilation-minor-mode minor-mode-map-alist)
|
||
(setq minor-mode-map-alist (cons (cons 'compilation-minor-mode
|
||
compilation-minor-mode-map)
|
||
minor-mode-map-alist)))
|
||
|
||
;;;###autoload
|
||
(defun compilation-minor-mode (&optional arg)
|
||
"Toggle compilation minor mode.
|
||
With arg, turn compilation mode on if and only if arg is positive.
|
||
See `compilation-mode'."
|
||
(interactive "P")
|
||
(if (setq compilation-minor-mode (if (null arg)
|
||
(null compilation-minor-mode)
|
||
(> (prefix-numeric-value arg) 0)))
|
||
(compilation-setup)))
|
||
|
||
;; Called when compilation process changes state.
|
||
(defun compilation-sentinel (proc msg)
|
||
"Sentinel for compilation buffers."
|
||
(let ((buffer (process-buffer proc)))
|
||
(if (memq (process-status proc) '(signal exit))
|
||
(progn
|
||
(if (null (buffer-name buffer))
|
||
;; buffer killed
|
||
(set-process-buffer proc nil)
|
||
(let ((obuf (current-buffer))
|
||
omax opoint)
|
||
;; save-excursion isn't the right thing if
|
||
;; process-buffer is current-buffer
|
||
(unwind-protect
|
||
(progn
|
||
;; Write something in the compilation buffer
|
||
;; and hack its mode line.
|
||
(set-buffer buffer)
|
||
(let ((buffer-read-only nil))
|
||
(setq omax (point-max)
|
||
opoint (point))
|
||
(goto-char omax)
|
||
;; Record where we put the message, so we can ignore it
|
||
;; later on.
|
||
(insert ?\n mode-name " " msg)
|
||
(forward-char -1)
|
||
(insert " at " (substring (current-time-string) 0 19))
|
||
(forward-char 1)
|
||
(setq mode-line-process
|
||
(format ":%s [%d]" (process-status proc)
|
||
(process-exit-status proc)))
|
||
;; Since the buffer and mode line will show that the
|
||
;; process is dead, we can delete it now. Otherwise it
|
||
;; will stay around until M-x list-processes.
|
||
(delete-process proc)
|
||
;; Force mode line redisplay soon.
|
||
(force-mode-line-update))
|
||
(if (and opoint (< opoint omax))
|
||
(goto-char opoint))
|
||
(if compilation-finish-function
|
||
(funcall compilation-finish-function buffer msg)))
|
||
(set-buffer obuf))))
|
||
(setq compilation-in-progress (delq proc compilation-in-progress))
|
||
))))
|
||
|
||
(defun compilation-filter (proc string)
|
||
"Process filter for compilation buffers.
|
||
Just inserts the text, but uses `insert-before-markers'."
|
||
(if (buffer-name (process-buffer proc))
|
||
(save-excursion
|
||
(set-buffer (process-buffer proc))
|
||
(let ((buffer-read-only nil))
|
||
(save-excursion
|
||
(goto-char (process-mark proc))
|
||
(insert-before-markers string)
|
||
(set-marker (process-mark proc) (point)))))))
|
||
|
||
;; Return the cdr of compilation-old-error-list for the error containing point.
|
||
(defun compile-error-at-point ()
|
||
(compile-reinitialize-errors nil (point))
|
||
(let ((errors compilation-old-error-list))
|
||
(while (and errors
|
||
(> (point) (car (car errors))))
|
||
(setq errors (cdr errors)))
|
||
errors))
|
||
|
||
(defsubst compilation-buffer-p (buffer)
|
||
(save-excursion
|
||
(set-buffer buffer)
|
||
(or compilation-minor-mode (eq major-mode 'compilation-mode))))
|
||
|
||
(defun compilation-next-error (n)
|
||
"Move point to the next error in the compilation buffer.
|
||
Does NOT find the source line like \\[next-error]."
|
||
(interactive "p")
|
||
(or (compilation-buffer-p (current-buffer))
|
||
(error "Not in a compilation buffer."))
|
||
(setq compilation-last-buffer (current-buffer))
|
||
|
||
(let ((errors (compile-error-at-point)))
|
||
|
||
;; Move to the error after the one containing point.
|
||
(goto-char (car (if (< n 0)
|
||
(let ((i 0)
|
||
(e compilation-old-error-list))
|
||
;; See how many cdrs away ERRORS is from the start.
|
||
(while (not (eq e errors))
|
||
(setq i (1+ i)
|
||
e (cdr e)))
|
||
(if (> (- n) i)
|
||
(error "Moved back past first error")
|
||
(nth (+ i n) compilation-old-error-list)))
|
||
(let ((compilation-error-list (cdr errors)))
|
||
(compile-reinitialize-errors nil nil n)
|
||
(if compilation-error-list
|
||
(nth (1- n) compilation-error-list)
|
||
(error "Moved past last error"))))))))
|
||
|
||
(defun compilation-previous-error (n)
|
||
"Move point to the previous error in the compilation buffer.
|
||
Does NOT find the source line like \\[next-error]."
|
||
(interactive "p")
|
||
(compilation-next-error (- n)))
|
||
|
||
|
||
;; Given an elt of `compilation-error-list', return an object representing
|
||
;; the referenced file which is equal to (but not necessarily eq to) what
|
||
;; this function would return for another error in the same file.
|
||
(defsubst compilation-error-filedata (data)
|
||
(setq data (cdr data))
|
||
(if (markerp data)
|
||
(marker-buffer data)
|
||
(car data)))
|
||
|
||
;; Return a string describing a value from compilation-error-filedata.
|
||
;; This value is not necessarily useful as a file name, but should be
|
||
;; indicative to the user of what file's errors are being referred to.
|
||
(defsubst compilation-error-filedata-file-name (filedata)
|
||
(if (bufferp filedata)
|
||
(buffer-file-name filedata)
|
||
(car filedata)))
|
||
|
||
(defun compilation-next-file (n)
|
||
"Move point to the next error for a different file than the current one."
|
||
(interactive "p")
|
||
(or (compilation-buffer-p (current-buffer))
|
||
(error "Not in a compilation buffer."))
|
||
(setq compilation-last-buffer (current-buffer))
|
||
|
||
(let ((reversed (< n 0))
|
||
errors filedata)
|
||
|
||
(if (not reversed)
|
||
(setq errors (or (compile-error-at-point)
|
||
(error "Moved past last error")))
|
||
|
||
;; Get a reversed list of the errors up through the one containing point.
|
||
(compile-reinitialize-errors nil (point))
|
||
(setq errors (reverse compilation-old-error-list)
|
||
n (- n))
|
||
|
||
;; Ignore errors after point. (car ERRORS) will be the error
|
||
;; containing point, (cadr ERRORS) the one before it.
|
||
(while (and errors
|
||
(< (point) (car (car errors))))
|
||
(setq errors (cdr errors))))
|
||
|
||
(while (> n 0)
|
||
(setq filedata (compilation-error-filedata (car errors)))
|
||
|
||
;; Skip past the following errors for this file.
|
||
(while (equal filedata
|
||
(compilation-error-filedata
|
||
(car (or errors
|
||
(if reversed
|
||
(error "%s the first erring file"
|
||
(compilation-error-filedata-file-name
|
||
filedata))
|
||
(let ((compilation-error-list nil))
|
||
;; Parse some more.
|
||
(compile-reinitialize-errors nil nil 2)
|
||
(setq errors compilation-error-list)))
|
||
(error "%s is the last erring file"
|
||
(compilation-error-filedata-file-name
|
||
filedata))))))
|
||
(setq errors (cdr errors)))
|
||
|
||
(setq n (1- n)))
|
||
|
||
;; Move to the following error.
|
||
(goto-char (car (car (or errors
|
||
(if reversed
|
||
(error "This is the first erring file")
|
||
(let ((compilation-error-list nil))
|
||
;; Parse the last one.
|
||
(compile-reinitialize-errors nil nil 1)
|
||
compilation-error-list))))))))
|
||
|
||
(defun compilation-previous-file (n)
|
||
"Move point to the previous error for a different file than the current one."
|
||
(interactive "p")
|
||
(compilation-next-file (- n)))
|
||
|
||
|
||
(defun kill-compilation ()
|
||
"Kill the process made by the \\[compile] command."
|
||
(interactive)
|
||
(let ((buffer (compilation-find-buffer)))
|
||
(if (get-buffer-process buffer)
|
||
(interrupt-process (get-buffer-process buffer))
|
||
(error "The compilation process is not running."))))
|
||
|
||
|
||
;; Parse any new errors in the compilation buffer,
|
||
;; or reparse from the beginning if the user has asked for that.
|
||
(defun compile-reinitialize-errors (reparse
|
||
&optional limit-search find-at-least)
|
||
(save-excursion
|
||
(set-buffer compilation-last-buffer)
|
||
;; If we are out of errors, or if user says "reparse",
|
||
;; discard the info we have, to force reparsing.
|
||
(if (or (eq compilation-error-list t)
|
||
reparse)
|
||
(compilation-forget-errors))
|
||
(if (and compilation-error-list
|
||
(or (not limit-search)
|
||
(> compilation-parsing-end limit-search))
|
||
(or (not find-at-least)
|
||
(>= (length compilation-error-list) find-at-least)))
|
||
;; Since compilation-error-list is non-nil, it points to a specific
|
||
;; error the user wanted. So don't move it around.
|
||
nil
|
||
;; This was here for a long time (before my rewrite); why? --roland
|
||
;;(switch-to-buffer compilation-last-buffer)
|
||
(set-buffer-modified-p nil)
|
||
(if (< compilation-parsing-end (point-max))
|
||
;; compilation-error-list might be non-nil if we have a non-nil
|
||
;; LIMIT-SEARCH or FIND-AT-LEAST arg. In that case its value
|
||
;; records the current position in the error list, and we must
|
||
;; preserve that after reparsing.
|
||
(let ((error-list-pos compilation-error-list))
|
||
(funcall compilation-parse-errors-function
|
||
limit-search
|
||
(and find-at-least
|
||
;; We only need enough new parsed errors to reach
|
||
;; FIND-AT-LEAST errors past the current
|
||
;; position.
|
||
(- find-at-least (length compilation-error-list))))
|
||
;; Remember the entire list for compilation-forget-errors. If
|
||
;; this is an incremental parse, append to previous list. If
|
||
;; we are parsing anew, compilation-forget-errors cleared
|
||
;; compilation-old-error-list above.
|
||
(setq compilation-old-error-list
|
||
(nconc compilation-old-error-list compilation-error-list))
|
||
(if error-list-pos
|
||
;; We started in the middle of an existing list of parsed
|
||
;; errors before parsing more; restore that position.
|
||
(setq compilation-error-list error-list-pos))
|
||
)))))
|
||
|
||
(defun compile-mouse-goto-error (event)
|
||
(interactive "e")
|
||
(save-excursion
|
||
(set-buffer (window-buffer (posn-window (event-end event))))
|
||
(goto-char (posn-point (event-end event)))
|
||
|
||
(or (compilation-buffer-p (current-buffer))
|
||
(error "Not in a compilation buffer."))
|
||
(setq compilation-last-buffer (current-buffer))
|
||
(compile-reinitialize-errors nil (point))
|
||
|
||
;; Move to bol; the marker for the error on this line will point there.
|
||
(beginning-of-line)
|
||
|
||
;; Move compilation-error-list to the elt of compilation-old-error-list
|
||
;; we want.
|
||
(setq compilation-error-list compilation-old-error-list)
|
||
(while (and compilation-error-list
|
||
(> (point) (car (car compilation-error-list))))
|
||
(setq compilation-error-list (cdr compilation-error-list)))
|
||
(or compilation-error-list
|
||
(error "No error to go to")))
|
||
(select-window (posn-window (event-end event)))
|
||
;; Move to another window, so that next-error's window changes
|
||
;; result in the desired setup.
|
||
(or (one-window-p)
|
||
(progn
|
||
(other-window -1)
|
||
;; other-window changed the selected buffer,
|
||
;; but we didn't want to do that.
|
||
(set-buffer compilation-last-buffer)))
|
||
|
||
(push-mark)
|
||
(next-error 1))
|
||
|
||
(defun compile-goto-error (&optional argp)
|
||
"Visit the source for the error message point is on.
|
||
Use this command in a compilation log buffer. Sets the mark at point there.
|
||
\\[universal-argument] as a prefix arg means to reparse the buffer's error messages first;
|
||
other kinds of prefix arguments are ignored."
|
||
(interactive "P")
|
||
(or (compilation-buffer-p (current-buffer))
|
||
(error "Not in a compilation buffer."))
|
||
(setq compilation-last-buffer (current-buffer))
|
||
(compile-reinitialize-errors (consp argp) (point))
|
||
|
||
;; Move to bol; the marker for the error on this line will point there.
|
||
(beginning-of-line)
|
||
|
||
;; Move compilation-error-list to the elt of compilation-old-error-list
|
||
;; we want.
|
||
(setq compilation-error-list compilation-old-error-list)
|
||
(while (and compilation-error-list
|
||
(> (point) (car (car compilation-error-list))))
|
||
(setq compilation-error-list (cdr compilation-error-list)))
|
||
|
||
;; Move to another window, so that next-error's window changes
|
||
;; result in the desired setup.
|
||
(or (one-window-p)
|
||
(progn
|
||
(other-window -1)
|
||
;; other-window changed the selected buffer,
|
||
;; but we didn't want to do that.
|
||
(set-buffer compilation-last-buffer)))
|
||
|
||
(push-mark)
|
||
(next-error 1))
|
||
|
||
;; Return a compilation buffer.
|
||
;; If the current buffer is a compilation buffer, return it.
|
||
;; If compilation-last-buffer is set to a live buffer, use that.
|
||
;; Otherwise, look for a compilation buffer and signal an error
|
||
;; if there are none.
|
||
(defun compilation-find-buffer (&optional other-buffer)
|
||
(if (and (not other-buffer)
|
||
(compilation-buffer-p (current-buffer)))
|
||
;; The current buffer is a compilation buffer.
|
||
(current-buffer)
|
||
(if (and compilation-last-buffer (buffer-name compilation-last-buffer)
|
||
(or (not other-buffer) (not (eq compilation-last-buffer
|
||
(current-buffer)))))
|
||
compilation-last-buffer
|
||
(let ((buffers (buffer-list)))
|
||
(while (and buffers (or (not (compilation-buffer-p (car buffers)))
|
||
(and other-buffer
|
||
(eq (car buffers) (current-buffer)))))
|
||
(setq buffers (cdr buffers)))
|
||
(if buffers
|
||
(car buffers)
|
||
(or (and other-buffer
|
||
(compilation-buffer-p (current-buffer))
|
||
;; The current buffer is a compilation buffer.
|
||
(progn
|
||
(if other-buffer
|
||
(message "This is the only compilation buffer."))
|
||
(current-buffer)))
|
||
(error "No compilation started!")))))))
|
||
|
||
;;;###autoload
|
||
(defun next-error (&optional argp)
|
||
"Visit next compilation error message and corresponding source code.
|
||
This operates on the output from the \\[compile] command.
|
||
If all preparsed error messages have been processed,
|
||
the error message buffer is checked for new ones.
|
||
|
||
A prefix arg specifies how many error messages to move;
|
||
negative means move back to previous error messages.
|
||
Just C-u as a prefix means reparse the error message buffer
|
||
and start at the first error.
|
||
|
||
\\[next-error] normally applies to the most recent compilation started,
|
||
but as long as you are in the middle of parsing errors from one compilation
|
||
output buffer, you stay with that compilation output buffer.
|
||
|
||
Use \\[next-error] in a compilation output buffer to switch to
|
||
processing errors from that compilation.
|
||
|
||
See variables `compilation-parse-errors-function' and
|
||
\`compilation-error-regexp-alist' for customization ideas."
|
||
(interactive "P")
|
||
(setq compilation-last-buffer (compilation-find-buffer))
|
||
(compilation-goto-locus (compilation-next-error-locus
|
||
;; We want to pass a number here only if
|
||
;; we got a numeric prefix arg, not just C-u.
|
||
(and (not (consp argp))
|
||
(prefix-numeric-value argp))
|
||
(consp argp))))
|
||
;;;###autoload (define-key ctl-x-map "`" 'next-error)
|
||
|
||
(defun previous-error ()
|
||
"Visit previous compilation error message and corresponding source code.
|
||
This operates on the output from the \\[compile] command."
|
||
(interactive)
|
||
(next-error -1))
|
||
|
||
(defun first-error ()
|
||
"Reparse the error message buffer and start at the first error
|
||
Visit corresponding source code.
|
||
This operates on the output from the \\[compile] command."
|
||
(interactive)
|
||
(next-error '(4)))
|
||
|
||
(defun compilation-next-error-locus (&optional move reparse silent)
|
||
"Visit next compilation error and return locus in corresponding source code.
|
||
This operates on the output from the \\[compile] command.
|
||
If all preparsed error messages have been processed,
|
||
the error message buffer is checked for new ones.
|
||
|
||
Returns a cons (ERROR . SOURCE) of two markers: ERROR is a marker at the
|
||
location of the error message in the compilation buffer, and SOURCE is a
|
||
marker at the location in the source code indicated by the error message.
|
||
|
||
Optional first arg MOVE says how many error messages to move forwards (or
|
||
backwards, if negative); default is 1. Optional second arg REPARSE, if
|
||
non-nil, says to reparse the error message buffer and reset to the first
|
||
error (plus MOVE - 1). If optional third argument SILENT is non-nil, return
|
||
nil instead of raising an error if there are no more errors.
|
||
|
||
The current buffer should be the desired compilation output buffer."
|
||
(or move (setq move 1))
|
||
(compile-reinitialize-errors reparse nil (and (not reparse)
|
||
(if (< move 1) 0 (1- move))))
|
||
(let (next-errors next-error)
|
||
(catch 'no-next-error
|
||
(save-excursion
|
||
(set-buffer compilation-last-buffer)
|
||
;; compilation-error-list points to the "current" error.
|
||
(setq next-errors
|
||
(if (> move 0)
|
||
(nthcdr (1- move)
|
||
compilation-error-list)
|
||
;; Zero or negative arg; we need to move back in the list.
|
||
(let ((n (1- move))
|
||
(i 0)
|
||
(e compilation-old-error-list))
|
||
;; See how many cdrs away the current error is from the start.
|
||
(while (not (eq e compilation-error-list))
|
||
(setq i (1+ i)
|
||
e (cdr e)))
|
||
(if (> (- n) i)
|
||
(error "Moved back past first error")
|
||
(nthcdr (+ i n) compilation-old-error-list))))
|
||
next-error (car next-errors))
|
||
(while
|
||
(if (null next-error)
|
||
(progn
|
||
(and move (/= move 1)
|
||
(error (if (> move 0)
|
||
"Moved past last error")
|
||
"Moved back past first error"))
|
||
;; Forget existing error messages if compilation has finished.
|
||
(if (not (and (get-buffer-process (current-buffer))
|
||
(eq (process-status
|
||
(get-buffer-process
|
||
(current-buffer)))
|
||
'run)))
|
||
(compilation-forget-errors))
|
||
(if silent
|
||
(throw 'no-next-error nil)
|
||
(error (concat compilation-error-message
|
||
(and (get-buffer-process (current-buffer))
|
||
(eq (process-status
|
||
(get-buffer-process
|
||
(current-buffer)))
|
||
'run)
|
||
" yet")))))
|
||
(setq compilation-error-list (cdr next-errors))
|
||
(if (null (cdr next-error))
|
||
;; This error is boring. Go to the next.
|
||
t
|
||
(or (markerp (cdr next-error))
|
||
;; This error has a filename/lineno pair.
|
||
;; Find the file and turn it into a marker.
|
||
(let* ((fileinfo (car (cdr next-error)))
|
||
(buffer (apply 'compilation-find-file
|
||
(car next-error) fileinfo)))
|
||
(if (null buffer)
|
||
;; We can't find this error's file.
|
||
;; Remove all errors in the same file.
|
||
(progn
|
||
(setq next-errors compilation-old-error-list)
|
||
(while next-errors
|
||
(and (consp (cdr (car next-errors)))
|
||
(equal (car (cdr (car next-errors)))
|
||
fileinfo)
|
||
(progn
|
||
(set-marker (car (car next-errors)) nil)
|
||
(setcdr (car next-errors) nil)))
|
||
(setq next-errors (cdr next-errors)))
|
||
;; Look for the next error.
|
||
t)
|
||
;; We found the file. Get a marker for this error.
|
||
;; compilation-old-error-list is a buffer-local
|
||
;; variable, so we must be careful to extract its value
|
||
;; before switching to the source file buffer.
|
||
(let ((errors compilation-old-error-list)
|
||
(last-line (nth 1 (cdr next-error)))
|
||
(column (nth 2 (cdr next-error))))
|
||
(set-buffer buffer)
|
||
(save-excursion
|
||
(save-restriction
|
||
(widen)
|
||
(goto-line last-line)
|
||
(if (and column (> column 0))
|
||
;; Columns in error msgs are 1-origin.
|
||
(move-to-column (1- column))
|
||
(beginning-of-line))
|
||
(setcdr next-error (point-marker))
|
||
;; Make all the other error messages referring
|
||
;; to the same file have markers into the buffer.
|
||
(while errors
|
||
(and (consp (cdr (car errors)))
|
||
(equal (car (cdr (car errors))) fileinfo)
|
||
(let* ((this (nth 1 (cdr (car errors))))
|
||
(column (nth 2 (cdr (car errors))))
|
||
(lines (- this last-line)))
|
||
(if (eq selective-display t)
|
||
;; When selective-display is t,
|
||
;; each C-m is a line boundary,
|
||
;; as well as each newline.
|
||
(if (< lines 0)
|
||
(re-search-backward "[\n\C-m]"
|
||
nil 'end
|
||
(- lines))
|
||
(re-search-forward "[\n\C-m]"
|
||
nil 'end
|
||
lines))
|
||
(forward-line lines))
|
||
(if (and column (> column 1))
|
||
(move-to-column (1- column))
|
||
(beginning-of-line))
|
||
(setq last-line this)
|
||
(setcdr (car errors) (point-marker))))
|
||
(setq errors (cdr errors)))))))))
|
||
;; If we didn't get a marker for this error, or this
|
||
;; marker's buffer was killed, go on to the next one.
|
||
(or (not (markerp (cdr next-error)))
|
||
(not (marker-buffer (cdr next-error))))))
|
||
(setq next-errors compilation-error-list
|
||
next-error (car next-errors)))))
|
||
|
||
;; Skip over multiple error messages for the same source location,
|
||
;; so the next C-x ` won't go to an error in the same place.
|
||
(while (and compilation-error-list
|
||
(equal (cdr (car compilation-error-list)) (cdr next-error)))
|
||
(setq compilation-error-list (cdr compilation-error-list)))
|
||
|
||
;; We now have a marker for the position of the error source code.
|
||
;; NEXT-ERROR is a cons (ERROR . SOURCE) of two markers.
|
||
next-error))
|
||
|
||
(defun compilation-goto-locus (next-error)
|
||
"Jump to an error locus returned by `compilation-next-error-locus'.
|
||
Takes one argument, a cons (ERROR . SOURCE) of two markers.
|
||
Selects a window with point at SOURCE, with another window displaying ERROR."
|
||
(if (and (window-dedicated-p (selected-window))
|
||
(eq (selected-window) (frame-root-window)))
|
||
(switch-to-buffer-other-frame (marker-buffer (cdr next-error)))
|
||
(switch-to-buffer (marker-buffer (cdr next-error))))
|
||
(goto-char (cdr next-error))
|
||
;; If narrowing got in the way of
|
||
;; going to the right place, widen.
|
||
(or (= (point) (marker-position (cdr next-error)))
|
||
(progn
|
||
(widen)
|
||
(goto-char (cdr next-error))))
|
||
|
||
;; Show compilation buffer in other window, scrolled to this error.
|
||
(let* ((pop-up-windows t)
|
||
;; Use an existing window if it is in a visible frame.
|
||
(w (or (get-buffer-window (marker-buffer (car next-error)) 'visible)
|
||
;; Pop up a window.
|
||
(display-buffer (marker-buffer (car next-error))))))
|
||
(set-window-point w (car next-error))
|
||
(set-window-start w (car next-error))
|
||
(compilation-set-window-height w)))
|
||
|
||
;; Find a buffer for file FILENAME.
|
||
;; Search the directories in compilation-search-path.
|
||
;; A nil in compilation-search-path means to try the
|
||
;; current directory, which is passed in DIR.
|
||
;; If FILENAME is not found at all, ask the user where to find it.
|
||
;; Pop up the buffer containing MARKER and scroll to MARKER if we ask the user.
|
||
(defun compilation-find-file (marker filename dir &rest formats)
|
||
(or formats (setq formats '("%s")))
|
||
(let ((dirs compilation-search-path)
|
||
buffer thisdir fmts name)
|
||
(if (file-name-absolute-p filename)
|
||
;; The file name is absolute. Use its explicit directory as
|
||
;; the first in the search path, and strip it from FILENAME.
|
||
(setq filename (abbreviate-file-name (expand-file-name filename))
|
||
dirs (cons (file-name-directory filename) dirs)
|
||
filename (file-name-nondirectory filename)))
|
||
;; Now search the path.
|
||
(while (and dirs (null buffer))
|
||
(setq thisdir (or (car dirs) dir)
|
||
fmts formats)
|
||
;; For each directory, try each format string.
|
||
(while (and fmts (null buffer))
|
||
(setq name (expand-file-name (format (car fmts) filename) thisdir)
|
||
buffer (and (file-exists-p name)
|
||
(find-file-noselect name))
|
||
fmts (cdr fmts)))
|
||
(setq dirs (cdr dirs)))
|
||
(or buffer
|
||
;; The file doesn't exist.
|
||
;; Ask the user where to find it.
|
||
;; If he hits C-g, then the next time he does
|
||
;; next-error, he'll skip past it.
|
||
(let* ((pop-up-windows t)
|
||
(w (display-buffer (marker-buffer marker))))
|
||
(set-window-point w marker)
|
||
(set-window-start w marker)
|
||
(let ((name (expand-file-name
|
||
(read-file-name
|
||
(format "Find this error in: (default %s) "
|
||
filename)
|
||
dir filename t))))
|
||
(if (file-directory-p name)
|
||
(setq name (expand-file-name filename name)))
|
||
(and (file-exists-p name)
|
||
(find-file-noselect name)))))))
|
||
|
||
;; Set compilation-error-list to nil, and unchain the markers that point to the
|
||
;; error messages and their text, so that they no longer slow down gap motion.
|
||
;; This would happen anyway at the next garbage collection, but it is better to
|
||
;; do it right away.
|
||
(defun compilation-forget-errors ()
|
||
(while compilation-old-error-list
|
||
(let ((next-error (car compilation-old-error-list)))
|
||
(set-marker (car next-error) nil)
|
||
(if (markerp (cdr next-error))
|
||
(set-marker (cdr next-error) nil)))
|
||
(setq compilation-old-error-list (cdr compilation-old-error-list)))
|
||
(setq compilation-error-list nil
|
||
compilation-directory-stack nil
|
||
compilation-parsing-end 1))
|
||
|
||
|
||
(defun count-regexp-groupings (regexp)
|
||
"Return the number of \\( ... \\) groupings in REGEXP (a string)."
|
||
(let ((groupings 0)
|
||
(len (length regexp))
|
||
(i 0)
|
||
c)
|
||
(while (< i len)
|
||
(setq c (aref regexp i)
|
||
i (1+ i))
|
||
(cond ((= c ?\[)
|
||
;; Find the end of this [...].
|
||
(while (and (< i len)
|
||
(not (= (aref regexp i) ?\])))
|
||
(setq i (1+ i))))
|
||
((= c ?\\)
|
||
(if (< i len)
|
||
(progn
|
||
(setq c (aref regexp i)
|
||
i (1+ i))
|
||
(if (= c ?\))
|
||
;; We found the end of a grouping,
|
||
;; so bump our counter.
|
||
(setq groupings (1+ groupings))))))))
|
||
groupings))
|
||
|
||
(defun compilation-parse-errors (limit-search find-at-least)
|
||
"Parse the current buffer as grep, cc or lint error messages.
|
||
See variable `compilation-parse-errors-function' for the interface it uses."
|
||
(setq compilation-error-list nil)
|
||
(message "Parsing error messages...")
|
||
(let (text-buffer orig orig-expanded parent-expanded
|
||
regexp enter-group leave-group error-group
|
||
alist subexpr error-regexp-groups
|
||
(found-desired nil)
|
||
(compilation-num-errors-found 0))
|
||
|
||
;; Don't reparse messages already seen at last parse.
|
||
(goto-char compilation-parsing-end)
|
||
;; Don't parse the first two lines as error messages.
|
||
;; This matters for grep.
|
||
(if (bobp)
|
||
(progn
|
||
(forward-line 2)
|
||
;; Move back so point is before the newline.
|
||
;; This matters because some error regexps use \n instead of ^
|
||
;; to be faster.
|
||
(forward-char -1)))
|
||
|
||
;; Compile all the regexps we want to search for into one.
|
||
(setq regexp (concat "\\(" compilation-enter-directory-regexp "\\)\\|"
|
||
"\\(" compilation-leave-directory-regexp "\\)\\|"
|
||
"\\(" (mapconcat (function
|
||
(lambda (elt)
|
||
(concat "\\(" (car elt) "\\)")))
|
||
compilation-error-regexp-alist
|
||
"\\|") "\\)"))
|
||
|
||
;; Find out how many \(...\) groupings are in each of the regexps, and set
|
||
;; *-GROUP to the grouping containing each constituent regexp (whose
|
||
;; subgroups will come immediately thereafter) of the big regexp we have
|
||
;; just constructed.
|
||
(setq enter-group 1
|
||
leave-group (+ enter-group
|
||
(count-regexp-groupings
|
||
compilation-enter-directory-regexp)
|
||
1)
|
||
error-group (+ leave-group
|
||
(count-regexp-groupings
|
||
compilation-leave-directory-regexp)
|
||
1))
|
||
|
||
;; Compile an alist (IDX FILE LINE [COL]), where IDX is the number of
|
||
;; the subexpression for an entire error-regexp, and FILE and LINE (and
|
||
;; possibly COL) are the numbers for the subexpressions giving the file
|
||
;; name and line number (and possibly column number).
|
||
(setq alist (or compilation-error-regexp-alist
|
||
(error "compilation-error-regexp-alist is empty!"))
|
||
subexpr (1+ error-group))
|
||
(while alist
|
||
(setq error-regexp-groups
|
||
(cons (list subexpr
|
||
(+ subexpr (nth 1 (car alist)))
|
||
(+ subexpr (nth 2 (car alist)))
|
||
(and (nth 3 (car alist))
|
||
(+ subexpr (nth 3 (car alist)))))
|
||
error-regexp-groups))
|
||
(setq subexpr (+ subexpr 1 (count-regexp-groupings (car (car alist)))))
|
||
(setq alist (cdr alist)))
|
||
|
||
;; Set up now the expanded, abbreviated directory variables
|
||
;; that compile-abbreviate-directory will need, so we can
|
||
;; compute them just once here.
|
||
(setq orig (abbreviate-file-name default-directory)
|
||
orig-expanded (abbreviate-file-name
|
||
(file-truename default-directory))
|
||
parent-expanded (abbreviate-file-name
|
||
(expand-file-name "../" orig-expanded)))
|
||
|
||
(while (and (not found-desired)
|
||
;; We don't just pass LIMIT-SEARCH to re-search-forward
|
||
;; because we want to find matches containing LIMIT-SEARCH
|
||
;; but which extend past it.
|
||
(re-search-forward regexp nil t))
|
||
|
||
;; Figure out which constituent regexp matched.
|
||
(cond ((match-beginning enter-group)
|
||
;; The match was the enter-directory regexp.
|
||
(let ((dir
|
||
(file-name-as-directory
|
||
(expand-file-name
|
||
(buffer-substring (match-beginning (+ enter-group 1))
|
||
(match-end (+ enter-group 1)))))))
|
||
;; The directory name in the "entering" message
|
||
;; is a truename. Try to convert it to a form
|
||
;; like what the user typed in.
|
||
(setq dir
|
||
(compile-abbreviate-directory dir orig orig-expanded
|
||
parent-expanded))
|
||
(setq compilation-directory-stack
|
||
(cons dir compilation-directory-stack))
|
||
(and (file-directory-p dir)
|
||
(setq default-directory dir)))
|
||
|
||
(and limit-search (>= (point) limit-search)
|
||
;; The user wanted a specific error, and we're past it.
|
||
;; We do this check here (and in the leave-group case)
|
||
;; rather than at the end of the loop because if the last
|
||
;; thing seen is an error message, we must carefully
|
||
;; discard the last error when it is the first in a new
|
||
;; file (see below in the error-group case).
|
||
(setq found-desired t)))
|
||
|
||
((match-beginning leave-group)
|
||
;; The match was the leave-directory regexp.
|
||
(let ((beg (match-beginning (+ leave-group 1)))
|
||
(stack compilation-directory-stack))
|
||
(if beg
|
||
(let ((dir
|
||
(file-name-as-directory
|
||
(expand-file-name
|
||
(buffer-substring beg
|
||
(match-end (+ leave-group
|
||
1)))))))
|
||
;; The directory name in the "leaving" message
|
||
;; is a truename. Try to convert it to a form
|
||
;; like what the user typed in.
|
||
(setq dir
|
||
(compile-abbreviate-directory dir orig orig-expanded
|
||
parent-expanded))
|
||
(while (and stack
|
||
(not (string-equal (car stack) dir)))
|
||
(setq stack (cdr stack)))))
|
||
(setq compilation-directory-stack (cdr stack))
|
||
(setq stack (car compilation-directory-stack))
|
||
(if stack
|
||
(setq default-directory stack))
|
||
)
|
||
|
||
(and limit-search (>= (point) limit-search)
|
||
;; The user wanted a specific error, and we're past it.
|
||
;; We do this check here (and in the enter-group case)
|
||
;; rather than at the end of the loop because if the last
|
||
;; thing seen is an error message, we must carefully
|
||
;; discard the last error when it is the first in a new
|
||
;; file (see below in the error-group case).
|
||
(setq found-desired t)))
|
||
|
||
((match-beginning error-group)
|
||
;; The match was the composite error regexp.
|
||
;; Find out which individual regexp matched.
|
||
(setq alist error-regexp-groups)
|
||
(while (and alist
|
||
(null (match-beginning (car (car alist)))))
|
||
(setq alist (cdr alist)))
|
||
(if alist
|
||
(setq alist (car alist))
|
||
(error "compilation-parse-errors: impossible regexp match!"))
|
||
|
||
;; Extract the file name and line number from the error message.
|
||
(let ((beginning-of-match (match-beginning 0)) ;looking-at nukes
|
||
(filename (buffer-substring (match-beginning (nth 1 alist))
|
||
(match-end (nth 1 alist))))
|
||
(linenum (string-to-int
|
||
(buffer-substring
|
||
(match-beginning (nth 2 alist))
|
||
(match-end (nth 2 alist)))))
|
||
(column (and (nth 3 alist)
|
||
(match-beginning (nth 3 alist))
|
||
(string-to-int
|
||
(buffer-substring
|
||
(match-beginning (nth 3 alist))
|
||
(match-end (nth 3 alist)))))))
|
||
|
||
;; Check for a comint-file-name-prefix and prepend it if
|
||
;; appropriate. (This is very useful for
|
||
;; compilation-minor-mode in an rlogin-mode buffer.)
|
||
(and (boundp 'comint-file-name-prefix)
|
||
;; If the file name is relative, default-directory will
|
||
;; already contain the comint-file-name-prefix (done by
|
||
;; compile-abbreviate-directory).
|
||
(file-name-absolute-p filename)
|
||
(setq filename (concat comint-file-name-prefix filename)))
|
||
(setq filename (cons filename (cons default-directory
|
||
(nthcdr 4 alist))))
|
||
|
||
|
||
;; Locate the erring file and line.
|
||
;; Cons a new elt onto compilation-error-list,
|
||
;; giving a marker for the current compilation buffer
|
||
;; location, and the file and line number of the error.
|
||
(save-excursion
|
||
;; Save as the start of the error the beginning of the
|
||
;; line containing the match unless the match starts at a
|
||
;; newline, in which case the beginning of the next line.
|
||
(goto-char beginning-of-match)
|
||
(forward-line (if (eolp) 1 0))
|
||
(let ((this (cons (point-marker)
|
||
(list filename linenum column))))
|
||
;; Don't add the same source line more than once.
|
||
(if (equal (cdr this) (cdr (car compilation-error-list)))
|
||
nil
|
||
(setq compilation-error-list
|
||
(cons this
|
||
compilation-error-list))
|
||
(setq compilation-num-errors-found
|
||
(1+ compilation-num-errors-found)))))
|
||
(and (or (and find-at-least (> compilation-num-errors-found
|
||
find-at-least))
|
||
(and limit-search (>= (point) limit-search)))
|
||
;; We have found as many new errors as the user wants,
|
||
;; or past the buffer position he indicated. We
|
||
;; continue to parse until we have seen all the
|
||
;; consecutive errors in the same file, so the error
|
||
;; positions will be recorded as markers in this buffer
|
||
;; that might change.
|
||
(cdr compilation-error-list) ; Must check at least two.
|
||
(not (equal (car (cdr (nth 0 compilation-error-list)))
|
||
(car (cdr (nth 1 compilation-error-list)))))
|
||
(progn
|
||
;; Discard the error just parsed, so that the next
|
||
;; parsing run can get it and the following errors in
|
||
;; the same file all at once. If we didn't do this, we
|
||
;; would have the same problem we are trying to avoid
|
||
;; with the test above, just delayed until the next run!
|
||
(setq compilation-error-list
|
||
(cdr compilation-error-list))
|
||
(goto-char beginning-of-match)
|
||
(setq found-desired t)))
|
||
)
|
||
)
|
||
(t
|
||
(error "compilation-parse-errors: known groups didn't match!")))
|
||
|
||
(message "Parsing error messages...%d (%.0f%% of buffer)"
|
||
compilation-num-errors-found
|
||
;; Use floating-point because (* 100 (point)) frequently
|
||
;; exceeds the range of Emacs Lisp integers.
|
||
(/ (* 100.0 (point)) (point-max)))
|
||
|
||
(and limit-search (>= (point) limit-search)
|
||
;; The user wanted a specific error, and we're past it.
|
||
(setq found-desired t)))
|
||
(setq compilation-parsing-end (if found-desired
|
||
(point)
|
||
;; We have searched the whole buffer.
|
||
(point-max))))
|
||
(setq compilation-error-list (nreverse compilation-error-list))
|
||
(message "Parsing error messages...done"))
|
||
|
||
;; If directory DIR is a subdir of ORIG or of ORIG's parent,
|
||
;; return a relative name for it starting from ORIG or its parent.
|
||
;; ORIG-EXPANDED is an expanded version of ORIG.
|
||
;; PARENT-EXPANDED is an expanded version of ORIG's parent.
|
||
;; Those two args could be computed here, but we run faster by
|
||
;; having the caller compute them just once.
|
||
(defun compile-abbreviate-directory (dir orig orig-expanded parent-expanded)
|
||
;; Apply canonical abbreviations to DIR first thing.
|
||
;; Those abbreviations are already done in the other arguments passed.
|
||
(setq dir (abbreviate-file-name dir))
|
||
|
||
;; Check for a comint-file-name-prefix and prepend it if appropriate.
|
||
;; (This is very useful for compilation-minor-mode in an rlogin-mode
|
||
;; buffer.)
|
||
(if (boundp 'comint-file-name-prefix)
|
||
(setq dir (concat comint-file-name-prefix dir)))
|
||
|
||
(if (and (> (length dir) (length orig-expanded))
|
||
(string= orig-expanded
|
||
(substring dir 0 (length orig-expanded))))
|
||
(setq dir
|
||
(concat orig
|
||
(substring dir (length orig-expanded)))))
|
||
(if (and (> (length dir) (length parent-expanded))
|
||
(string= parent-expanded
|
||
(substring dir 0 (length parent-expanded))))
|
||
(setq dir
|
||
(concat (file-name-directory
|
||
(directory-file-name orig))
|
||
(substring dir (length parent-expanded)))))
|
||
dir)
|
||
|
||
(provide 'compile)
|
||
|
||
;;; compile.el ends here
|