1 | ;;; compile.el --- run compiler as inferior of Emacs, parse error messages.
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2 |
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3 | ;; Copyright (C) 1985, 86, 87, 93, 94 Free Software Foundation, Inc.
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4 |
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5 | ;; Author: Roland McGrath <roland@prep.ai.mit.edu>
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6 | ;; Maintainer: FSF
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7 | ;; Keywords: tools, processes
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8 |
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9 | ;; This file is part of GNU Emacs.
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10 |
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11 | ;; GNU Emacs is free software; you can redistribute it and/or modify
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12 | ;; it under the terms of the GNU General Public License as published by
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13 | ;; the Free Software Foundation; either version 2, or (at your option)
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14 | ;; any later version.
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15 |
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16 | ;; GNU Emacs is distributed in the hope that it will be useful,
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17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 | ;; GNU General Public License for more details.
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20 |
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21 | ;; You should have received a copy of the GNU General Public License
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22 | ;; along with GNU Emacs; see the file COPYING. If not, write to
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23 | ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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24 |
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25 | ;;; Commentary:
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26 |
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27 | ;; This package provides the compile and grep facilities documented in
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28 | ;; the Emacs user's manual.
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29 |
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30 | ;;; Code:
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31 |
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32 | ;;;###autoload
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33 | (defvar compilation-mode-hook nil
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34 | "*List of hook functions run by `compilation-mode' (see `run-hooks').")
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35 |
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36 | ;;;###autoload
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37 | (defconst compilation-window-height nil
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38 | "*Number of lines in a compilation window. If nil, use Emacs default.")
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39 |
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40 | (defvar compilation-error-list nil
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41 | "List of error message descriptors for visiting erring functions.
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42 | Each error descriptor is a cons (or nil). Its car is a marker pointing to
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43 | an error message. If its cdr is a marker, it points to the text of the
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44 | line the message is about. If its cdr is a cons, it is a list
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45 | \(\(DIRECTORY . FILE\) LINE [COLUMN]\). Or its cdr may be nil if that
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46 | error is not interesting.
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47 |
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48 | The value may be t instead of a list; this means that the buffer of
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49 | error messages should be reparsed the next time the list of errors is wanted.
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50 |
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51 | Some other commands (like `diff') use this list to control the error
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52 | message tracking facilites; if you change its structure, you should make
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53 | sure you also change those packages. Perhaps it is better not to change
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54 | it at all.")
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55 |
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56 | (defvar compilation-old-error-list nil
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57 | "Value of `compilation-error-list' after errors were parsed.")
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58 |
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59 | (defvar compilation-parse-errors-function 'compilation-parse-errors
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60 | "Function to call to parse error messages from a compilation.
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61 | It takes args LIMIT-SEARCH and FIND-AT-LEAST.
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62 | If LIMIT-SEARCH is non-nil, don't bother parsing past that location.
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63 | If FIND-AT-LEAST is non-nil, don't bother parsing after finding that
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64 | many new errors.
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65 | It should read in the source files which have errors and set
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66 | `compilation-error-list' to a list with an element for each error message
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67 | found. See that variable for more info.")
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68 |
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69 | ;;;###autoload
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70 | (defvar compilation-buffer-name-function nil
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71 | "Function to compute the name of a compilation buffer.
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72 | The function receives one argument, the name of the major mode of the
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73 | compilation buffer. It should return a string.
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74 | nil means compute the name with `(concat \"*\" (downcase major-mode) \"*\")'.")
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75 |
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76 | ;;;###autoload
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77 | (defvar compilation-finish-function nil
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78 | "*Function to call when a compilation process finishes.
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79 | It is called with two arguments: the compilation buffer, and a string
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80 | describing how the process finished.")
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81 |
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82 | (defvar compilation-last-buffer nil
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83 | "The most recent compilation buffer.
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84 | A buffer becomes most recent when its compilation is started
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85 | or when it is used with \\[next-error] or \\[compile-goto-error].")
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86 |
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87 | (defvar compilation-in-progress nil
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88 | "List of compilation processes now running.")
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89 | (or (assq 'compilation-in-progress minor-mode-alist)
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90 | (setq minor-mode-alist (cons '(compilation-in-progress " Compiling")
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91 | minor-mode-alist)))
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92 |
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93 | (defvar compilation-parsing-end nil
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94 | "Position of end of buffer when last error messages were parsed.")
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95 |
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96 | (defvar compilation-error-message "No more errors"
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97 | "Message to print when no more matches are found.")
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98 |
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99 | (defvar compilation-num-errors-found)
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100 |
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101 | (defvar compilation-error-regexp-alist
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102 | '(
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103 | ;; NOTE! This first one is repeated in grep-regexp-alist, below.
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104 |
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105 | ;; 4.3BSD grep, cc, lint pass 1:
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106 | ;; /usr/src/foo/foo.c(8): warning: w may be used before set
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107 | ;; or GNU utilities:
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108 | ;; foo.c:8: error message
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109 | ;; or HP-UX 7.0 fc:
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110 | ;; foo.f :16 some horrible error message
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111 | ;;
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112 | ;; We'll insist that the number be followed by a colon or closing
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113 | ;; paren, because otherwise this matches just about anything
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114 | ;; containing a number with spaces around it.
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115 | ("\n\\([^:( \t\n]+\\)[:(][ \t]*\\([0-9]+\\)[:) \t]" 1 2)
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116 |
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117 | ;; 4.3BSD lint pass 2
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118 | ;; strcmp: variable # of args. llib-lc(359) :: /usr/src/foo/foo.c(8)
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119 | ("[ \t:]\\([^:( \t\n]+\\)[:(](+[ \t]*\\([0-9]+\\))[:) \t]*$" 1 2)
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120 |
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121 | ;; 4.3BSD lint pass 3
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122 | ;; bloofle defined( /users/wolfgang/foo.c(4) ), but never used
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123 | ;; This used to be
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124 | ;; ("[ \t(]+\\([^:( \t\n]+\\)[:( \t]+\\([0-9]+\\)[:) \t]+" 1 2)
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125 | ;; which is regexp Impressionism - it matches almost anything!
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126 | ("([ \t]*\\([^:( \t\n]+\\)[:(][ \t]*\\([0-9]+\\))" 1 2)
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127 |
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128 | ;; Ultrix 3.0 f77:
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129 | ;; fort: Severe: addstf.f, line 82: Missing operator or delimiter symbol
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130 | ("\nfort: [^:\n]*: \\([^ \n]*\\), line \\([0-9]+\\):" 1 2)
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131 | ;; Error on line 3 of t.f: Execution error unclassifiable statement
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132 | ;; Unknown who does this:
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133 | ;; Line 45 of "foo.c": bloofel undefined
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134 | ;; Absoft FORTRAN 77 Compiler 3.1.3
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135 | ;; error on line 19 of fplot.f: spelling error?
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136 | ;; warning on line 17 of fplot.f: data type is undefined for variable d
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137 | ("\\(\n\\|on \\)[Ll]ine[ \t]+\\([0-9]+\\)[ \t]+\
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138 | of[ \t]+\"?\\([^\":\n]+\\)\"?:" 3 2)
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139 |
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140 | ;; Apollo cc, 4.3BSD fc:
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141 | ;; "foo.f", line 3: Error: syntax error near end of statement
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142 | ;; IBM RS6000:
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143 | ;; "vvouch.c", line 19.5: 1506-046 (S) Syntax error.
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144 | ;; Unknown compiler:
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145 | ;; File "foobar.ml", lines 5-8, characters 20-155: blah blah
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146 | ;; Microtec mcc68k:
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147 | ;; "foo.c", line 32 pos 1; (E) syntax error; unexpected symbol: "lossage"
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148 | ("\"\\([^,\" \n\t]+\\)\", lines? \\([0-9]+\\)[:., -]" 1 2)
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149 |
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150 | ;; MIPS RISC CC - the one distributed with Ultrix:
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151 | ;; ccom: Error: foo.c, line 2: syntax error
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152 | ;; DEC AXP OSF/1 cc
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153 | ;; /usr/lib/cmplrs/cc/cfe: Error: foo.c: 1: blah blah
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154 | ("rror: \\([^,\" \n\t]+\\)[,:] \\(line \\)?\\([0-9]+\\):" 1 3)
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155 |
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156 | ;; IBM AIX PS/2 C version 1.1:
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157 | ;; ****** Error number 140 in line 8 of file errors.c ******
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158 | ("in line \\([0-9]+\\) of file \\([^ \n]+[^. \n]\\)\\.? " 2 1)
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159 | ;; IBM AIX lint is too painful to do right this way. File name
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160 | ;; prefixes entire sections rather than being on each line.
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161 |
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162 | ;; Lucid Compiler, lcc 3.x
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163 | ;; E, file.cc(35,52) Illegal operation on pointers
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164 | ("\n[EW], \\([^(\n]*\\)(\\([0-9]+\\),[ \t]*\\([0-9]+\\)" 1 2 3)
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165 |
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166 | )
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167 | "Alist that specifies how to match errors in compiler output.
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168 | Each element has the form (REGEXP FILE-IDX LINE-IDX [COLUMN-IDX]).
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169 | If REGEXP matches, the FILE-IDX'th subexpression gives the file name, and
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170 | the LINE-IDX'th subexpression gives the line number. If COLUMN-IDX is
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171 | given, the COLUMN-IDX'th subexpression gives the column number on that line.")
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172 |
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173 | (defvar compilation-read-command t
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174 | "If not nil, M-x compile reads the compilation command to use.
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175 | Otherwise, M-x compile just uses the value of `compile-command'.")
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176 |
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177 | (defvar compilation-ask-about-save t
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178 | "If not nil, M-x compile asks which buffers to save before compiling.
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179 | Otherwise, it saves all modified buffers without asking.")
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180 |
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181 | (defvar grep-regexp-alist
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182 | '(("^\\([^:( \t\n]+\\)[:( \t]+\\([0-9]+\\)[:) \t]" 1 2))
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183 | "Regexp used to match grep hits. See `compilation-error-regexp-alist'.")
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184 |
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185 | (defvar grep-command "grep -n "
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186 | "Last grep command used in \\{grep}; default for next grep.")
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187 |
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188 | ;;;###autoload
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189 | (defvar compilation-search-path '(nil)
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190 | "*List of directories to search for source files named in error messages.
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191 | Elements should be directory names, not file names of directories.
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192 | nil as an element means to try the default directory.")
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193 |
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194 | (defvar compile-command "make -k "
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195 | "Last shell command used to do a compilation; default for next compilation.
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196 |
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197 | Sometimes it is useful for files to supply local values for this variable.
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198 | You might also use mode hooks to specify it in certain modes, like this:
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199 |
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200 | (setq c-mode-hook
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201 | '(lambda () (or (file-exists-p \"makefile\") (file-exists-p \"Makefile\")
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202 | (progn (make-local-variable 'compile-command)
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203 | (setq compile-command
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204 | (concat \"make -k \"
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205 | buffer-file-name))))))")
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206 |
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207 | (defconst compilation-enter-directory-regexp
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208 | ": Entering directory `\\(.*\\)'$"
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209 | "Regular expression matching lines that indicate a new current directory.
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210 | This must contain one \\(, \\) pair around the directory name.
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211 |
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212 | The default value matches lines printed by the `-w' option of GNU Make.")
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213 |
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214 | (defconst compilation-leave-directory-regexp
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215 | ": Leaving directory `\\(.*\\)'$"
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216 | "Regular expression matching lines that indicate restoring current directory.
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217 | This may contain one \\(, \\) pair around the name of the directory
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218 | being moved from. If it does not, the last directory entered \(by a
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219 | line matching `compilation-enter-directory-regexp'\) is assumed.
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220 |
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221 | The default value matches lines printed by the `-w' option of GNU Make.")
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222 |
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223 | (defvar compilation-directory-stack nil
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224 | "Stack of previous directories for `compilation-leave-directory-regexp'.
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225 | The head element is the directory the compilation was started in.")
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226 |
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227 | ;; History of compile commands.
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228 | (defvar compile-history nil)
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229 | ;; History of grep commands.
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230 | (defvar grep-history nil)
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231 |
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232 | ;;;###autoload
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233 | (defun compile (command)
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234 | "Compile the program including the current buffer. Default: run `make'.
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235 | Runs COMMAND, a shell command, in a separate process asynchronously
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236 | with output going to the buffer `*compilation*'.
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237 |
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238 | You can then use the command \\[next-error] to find the next error message
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239 | and move to the source code that caused it.
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240 |
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241 | To run more than one compilation at once, start one and rename the
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242 | \`*compilation*' buffer to some other name with \\[rename-buffer].
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243 | Then start the next one.
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244 |
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245 | The name used for the buffer is actually whatever is returned by
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246 | the function in `compilation-buffer-name-function', so you can set that
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247 | to a function that generates a unique name."
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248 | (interactive
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249 | (if compilation-read-command
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250 | (list (read-from-minibuffer "Compile command: "
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251 | compile-command nil nil
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252 | '(compile-history . 1)))
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253 | (list compile-command)))
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254 | (setq compile-command command)
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255 | (save-some-buffers (not compilation-ask-about-save) nil)
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256 | (compile-internal compile-command "No more errors"))
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257 |
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258 | ;;;###autoload
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259 | (defun grep (command-args)
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260 | "Run grep, with user-specified args, and collect output in a buffer.
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261 | While grep runs asynchronously, you can use the \\[next-error] command
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262 | to find the text that grep hits refer to.
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263 |
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264 | This command uses a special history list for its arguments, so you can
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265 | easily repeat a grep command."
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266 | (interactive
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267 | (list (read-from-minibuffer "Run grep (like this): "
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268 | grep-command nil nil 'grep-history)))
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269 | (compile-internal (concat command-args " /dev/null")
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270 | "No more grep hits" "grep"
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271 | ;; Give it a simpler regexp to match.
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272 | nil grep-regexp-alist))
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273 |
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274 | (defun compile-internal (command error-message
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275 | &optional name-of-mode parser regexp-alist
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276 | name-function)
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277 | "Run compilation command COMMAND (low level interface).
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278 | ERROR-MESSAGE is a string to print if the user asks to see another error
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279 | and there are no more errors. Third argument NAME-OF-MODE is the name
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280 | to display as the major mode in the compilation buffer.
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281 |
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282 | Fourth arg PARSER is the error parser function (nil means the default). Fifth
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283 | arg REGEXP-ALIST is the error message regexp alist to use (nil means the
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284 | default). Sixth arg NAME-FUNCTION is a function called to name the buffer (nil
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285 | means the default). The defaults for these variables are the global values of
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286 | \`compilation-parse-errors-function', `compilation-error-regexp-alist', and
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287 | \`compilation-buffer-name-function', respectively.
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288 |
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289 | Returns the compilation buffer created."
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290 | (let (outbuf)
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291 | (save-excursion
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292 | (or name-of-mode
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293 | (setq name-of-mode "Compilation"))
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294 | (setq outbuf
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295 | (get-buffer-create
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296 | (funcall (or name-function compilation-buffer-name-function
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297 | (function (lambda (mode)
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298 | (concat "*" (downcase mode) "*"))))
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299 | name-of-mode)))
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300 | (set-buffer outbuf)
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301 | (let ((comp-proc (get-buffer-process (current-buffer))))
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302 | (if comp-proc
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303 | (if (or (not (eq (process-status comp-proc) 'run))
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304 | (yes-or-no-p
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305 | (format "A %s process is running; kill it? "
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306 | name-of-mode)))
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307 | (condition-case ()
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308 | (progn
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309 | (interrupt-process comp-proc)
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310 | (sit-for 1)
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311 | (delete-process comp-proc))
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312 | (error nil))
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313 | (error "Cannot have two processes in `%s' at once"
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314 | (buffer-name))
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315 | )))
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316 | ;; In case the compilation buffer is current, make sure we get the global
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317 | ;; values of compilation-error-regexp-alist, etc.
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318 | (kill-all-local-variables))
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319 | (let ((regexp-alist (or regexp-alist compilation-error-regexp-alist))
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320 | (parser (or parser compilation-parse-errors-function))
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321 | (thisdir default-directory)
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322 | outwin)
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323 | (save-excursion
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324 | ;; Clear out the compilation buffer and make it writable.
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325 | ;; Change its default-directory to the directory where the compilation
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326 | ;; will happen, and insert a `cd' command to indicate this.
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327 | (set-buffer outbuf)
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328 | (setq buffer-read-only nil)
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329 | (erase-buffer)
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330 | ;; BEGIN C JANSSEN ADDITIONS
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331 | (if (and (not (string= name-of-mode "grep"))
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332 | (fboundp 'compile-modify-path))
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333 | (setq thisdir (compile-modify-path thisdir))
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334 | )
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335 | ;; END C JANSSEN ADDITIONS
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336 | (setq default-directory thisdir)
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337 | (insert "cd " thisdir "\n" command "\n")
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338 | (set-buffer-modified-p nil))
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339 | ;; If we're already in the compilation buffer, go to the end
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340 | ;; of the buffer, so point will track the compilation output.
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341 | (if (eq outbuf (current-buffer))
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342 | (goto-char (point-max)))
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343 | ;; Pop up the compilation buffer.
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344 | (setq outwin (display-buffer outbuf))
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345 | (save-excursion
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346 | (set-buffer outbuf)
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347 | (compilation-mode)
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348 | (buffer-disable-undo (current-buffer))
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349 | ;; (setq buffer-read-only t) ;;; Non-ergonomic.
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350 | (set (make-local-variable 'compilation-parse-errors-function) parser)
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351 | (set (make-local-variable 'compilation-error-message) error-message)
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352 | (set (make-local-variable 'compilation-error-regexp-alist) regexp-alist)
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353 | (setq default-directory thisdir
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354 | compilation-directory-stack (list default-directory))
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355 | (set-window-start outwin (point-min))
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356 | (setq mode-name name-of-mode)
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357 | (or (eq outwin (selected-window))
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358 | ;; BEGIN C JANSSEN MODS
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359 | ;; goto the end of the buffer instead of the beginning
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360 | ;;(set-window-point outwin (point-min)))
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361 | (set-window-point outwin (point-max)))
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362 | ;; END C JANSSEN MODS
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363 | (and compilation-window-height
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364 | (= (window-width outwin) (frame-width))
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365 | (let ((w (selected-window)))
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366 | (unwind-protect
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367 | (progn
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368 | (select-window outwin)
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369 | (enlarge-window (- compilation-window-height
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370 | (window-height))))
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371 | (select-window w))))
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372 | ;; Start the compilation.
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373 | (if (fboundp 'start-process)
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374 | (let ((proc (start-process-shell-command (downcase mode-name)
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375 | outbuf
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376 | command)))
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377 | (set-process-sentinel proc 'compilation-sentinel)
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378 | (set-process-filter proc 'compilation-filter)
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379 | (set-marker (process-mark proc) (point) outbuf)
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380 | (setq compilation-in-progress
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381 | (cons proc compilation-in-progress)))
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382 | ;; No asynchronous processes available
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383 | (message (format "Executing `%s'..." command))
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384 | (let ((status (call-process shell-file-name nil outbuf nil "-c"
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385 | command))))
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386 | (message (format "Executing `%s'...done" command)))))
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387 | ;; Make it so the next C-x ` will use this buffer.
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388 | (setq compilation-last-buffer outbuf)))
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389 |
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390 | (defvar compilation-minor-mode-map
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391 | (let ((map (make-sparse-keymap)))
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392 | (define-key map [mouse-2] 'compile-mouse-goto-error)
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393 | (define-key map "\C-c\C-c" 'compile-goto-error)
|
---|
394 | (define-key map "\C-c\C-k" 'kill-compilation)
|
---|
395 | (define-key map "\M-n" 'compilation-next-error)
|
---|
396 | (define-key map "\M-p" 'compilation-previous-error)
|
---|
397 | (define-key map "\M-{" 'compilation-previous-file)
|
---|
398 | (define-key map "\M-}" 'compilation-next-file)
|
---|
399 | map)
|
---|
400 | "Keymap for `compilation-minor-mode'.")
|
---|
401 |
|
---|
402 | (defvar compilation-mode-map
|
---|
403 | (let ((map (cons 'keymap compilation-minor-mode-map)))
|
---|
404 | (define-key map " " 'scroll-up)
|
---|
405 | (define-key map "\^?" 'scroll-down)
|
---|
406 | map)
|
---|
407 | "Keymap for compilation log buffers.
|
---|
408 | `compilation-minor-mode-map' is a cdr of this.")
|
---|
409 |
|
---|
410 | (defun compilation-mode ()
|
---|
411 | "Major mode for compilation log buffers.
|
---|
412 | \\<compilation-mode-map>To visit the source for a line-numbered error,
|
---|
413 | move point to the error message line and type \\[compile-goto-error].
|
---|
414 | To kill the compilation, type \\[kill-compilation].
|
---|
415 |
|
---|
416 | Runs `compilation-mode-hook' with `run-hooks' (which see)."
|
---|
417 | (interactive)
|
---|
418 | (fundamental-mode)
|
---|
419 | (use-local-map compilation-mode-map)
|
---|
420 | (setq major-mode 'compilation-mode
|
---|
421 | mode-name "Compilation")
|
---|
422 | (compilation-setup)
|
---|
423 | (run-hooks 'compilation-mode-hook))
|
---|
424 |
|
---|
425 | ;; Prepare the buffer for the compilation parsing commands to work.
|
---|
426 | (defun compilation-setup ()
|
---|
427 | ;; Make the buffer's mode line show process state.
|
---|
428 | (setq mode-line-process '(":%s"))
|
---|
429 | (set (make-local-variable 'compilation-error-list) nil)
|
---|
430 | (set (make-local-variable 'compilation-old-error-list) nil)
|
---|
431 | (set (make-local-variable 'compilation-parsing-end) 1)
|
---|
432 | (set (make-local-variable 'compilation-directory-stack) nil)
|
---|
433 | (setq compilation-last-buffer (current-buffer)))
|
---|
434 |
|
---|
435 | (defvar compilation-minor-mode nil
|
---|
436 | "Non-nil when in compilation-minor-mode.
|
---|
437 | In this minor mode, all the error-parsing commands of the
|
---|
438 | Compilation major mode are available.")
|
---|
439 | (make-variable-buffer-local 'compilation-minor-mode)
|
---|
440 |
|
---|
441 | (or (assq 'compilation-minor-mode minor-mode-alist)
|
---|
442 | (setq minor-mode-alist (cons '(compilation-minor-mode " Compilation")
|
---|
443 | minor-mode-alist)))
|
---|
444 | (or (assq 'compilation-minor-mode minor-mode-map-alist)
|
---|
445 | (setq minor-mode-map-alist (cons (cons 'compilation-minor-mode
|
---|
446 | compilation-minor-mode-map)
|
---|
447 | minor-mode-map-alist)))
|
---|
448 |
|
---|
449 | ;;;###autoload
|
---|
450 | (defun compilation-minor-mode (&optional arg)
|
---|
451 | "Toggle compilation minor mode.
|
---|
452 | With arg, turn compilation mode on if and only if arg is positive.
|
---|
453 | See `compilation-mode'."
|
---|
454 | (interactive "P")
|
---|
455 | (if (setq compilation-minor-mode (if (null arg)
|
---|
456 | (null compilation-minor-mode)
|
---|
457 | (> (prefix-numeric-value arg) 0)))
|
---|
458 | (compilation-setup)))
|
---|
459 |
|
---|
460 | ;; Called when compilation process changes state.
|
---|
461 | (defun compilation-sentinel (proc msg)
|
---|
462 | "Sentinel for compilation buffers."
|
---|
463 | (let ((buffer (process-buffer proc)))
|
---|
464 | (if (memq (process-status proc) '(signal exit))
|
---|
465 | (progn
|
---|
466 | (if (null (buffer-name buffer))
|
---|
467 | ;; buffer killed
|
---|
468 | (set-process-buffer proc nil)
|
---|
469 | (let ((obuf (current-buffer))
|
---|
470 | omax opoint)
|
---|
471 | ;; save-excursion isn't the right thing if
|
---|
472 | ;; process-buffer is current-buffer
|
---|
473 | (unwind-protect
|
---|
474 | (progn
|
---|
475 | ;; Write something in the compilation buffer
|
---|
476 | ;; and hack its mode line.
|
---|
477 | (set-buffer buffer)
|
---|
478 | (let ((buffer-read-only nil))
|
---|
479 | (setq omax (point-max)
|
---|
480 | opoint (point))
|
---|
481 | (goto-char omax)
|
---|
482 | ;; Record where we put the message, so we can ignore it
|
---|
483 | ;; later on.
|
---|
484 | (insert ?\n mode-name " " msg)
|
---|
485 | (forward-char -1)
|
---|
486 | (insert " at " (substring (current-time-string) 0 19))
|
---|
487 | (forward-char 1)
|
---|
488 | (setq mode-line-process
|
---|
489 | (concat ":"
|
---|
490 | (symbol-name (process-status proc))))
|
---|
491 | ;; Since the buffer and mode line will show that the
|
---|
492 | ;; process is dead, we can delete it now. Otherwise it
|
---|
493 | ;; will stay around until M-x list-processes.
|
---|
494 | (delete-process proc)
|
---|
495 | ;; Force mode line redisplay soon.
|
---|
496 | (set-buffer-modified-p (buffer-modified-p)))
|
---|
497 | (if (and opoint (< opoint omax))
|
---|
498 | (goto-char opoint))
|
---|
499 | (if compilation-finish-function
|
---|
500 | (funcall compilation-finish-function buffer msg)))
|
---|
501 | (set-buffer obuf))))
|
---|
502 | (setq compilation-in-progress (delq proc compilation-in-progress))
|
---|
503 | ))))
|
---|
504 |
|
---|
505 | (defun compilation-filter (proc string)
|
---|
506 | "Process filter for compilation buffers.
|
---|
507 | Just inserts the text, but uses `insert-before-markers'."
|
---|
508 | (save-excursion
|
---|
509 | (set-buffer (process-buffer proc))
|
---|
510 | (let ((buffer-read-only nil))
|
---|
511 | (save-excursion
|
---|
512 | (goto-char (process-mark proc))
|
---|
513 | (insert-before-markers string)
|
---|
514 | (set-marker (process-mark proc) (point))))))
|
---|
515 |
|
---|
516 | ;; Return the cdr of compilation-old-error-list for the error containing point.
|
---|
517 | (defun compile-error-at-point ()
|
---|
518 | (compile-reinitialize-errors nil (point))
|
---|
519 | (let ((errors compilation-old-error-list))
|
---|
520 | (while (and errors
|
---|
521 | (> (point) (car (car errors))))
|
---|
522 | (setq errors (cdr errors)))
|
---|
523 | errors))
|
---|
524 |
|
---|
525 | (defsubst compilation-buffer-p (buffer)
|
---|
526 | (assq 'compilation-error-list (buffer-local-variables buffer)))
|
---|
527 |
|
---|
528 | (defun compilation-next-error (n)
|
---|
529 | "Move point to the next error in the compilation buffer.
|
---|
530 | Does NOT find the source line like \\[next-error]."
|
---|
531 | (interactive "p")
|
---|
532 | (or (compilation-buffer-p (current-buffer))
|
---|
533 | (error "Not in a compilation buffer."))
|
---|
534 | (setq compilation-last-buffer (current-buffer))
|
---|
535 |
|
---|
536 | (let ((errors (compile-error-at-point)))
|
---|
537 |
|
---|
538 | ;; Move to the error after the one containing point.
|
---|
539 | (goto-char (car (if (< n 0)
|
---|
540 | (let ((i 0)
|
---|
541 | (e compilation-old-error-list))
|
---|
542 | ;; See how many cdrs away ERRORS is from the start.
|
---|
543 | (while (not (eq e errors))
|
---|
544 | (setq i (1+ i)
|
---|
545 | e (cdr e)))
|
---|
546 | (if (> (- n) i)
|
---|
547 | (error "Moved back past first error")
|
---|
548 | (nth (+ i n) compilation-old-error-list)))
|
---|
549 | (let ((compilation-error-list (cdr errors)))
|
---|
550 | (compile-reinitialize-errors nil nil n)
|
---|
551 | (if compilation-error-list
|
---|
552 | (nth (1- n) compilation-error-list)
|
---|
553 | (error "Moved past last error"))))))))
|
---|
554 |
|
---|
555 | (defun compilation-previous-error (n)
|
---|
556 | "Move point to the previous error in the compilation buffer.
|
---|
557 | Does NOT find the source line like \\[next-error]."
|
---|
558 | (interactive "p")
|
---|
559 | (compilation-next-error (- n)))
|
---|
560 |
|
---|
561 |
|
---|
562 | ;; Given an elt of `compilation-error-list', return an object representing
|
---|
563 | ;; the referenced file which is equal to (but not necessarily eq to) what
|
---|
564 | ;; this function would return for another error in the same file.
|
---|
565 | (defsubst compilation-error-filedata (data)
|
---|
566 | (setq data (cdr data))
|
---|
567 | (if (markerp data)
|
---|
568 | (marker-buffer data)
|
---|
569 | (car data)))
|
---|
570 |
|
---|
571 | ;; Return a string describing a value from compilation-error-filedata.
|
---|
572 | ;; This value is not necessarily useful as a file name, but should be
|
---|
573 | ;; indicative to the user of what file's errors are being referred to.
|
---|
574 | (defsubst compilation-error-filedata-file-name (filedata)
|
---|
575 | (if (bufferp filedata)
|
---|
576 | (buffer-file-name filedata)
|
---|
577 | (car filedata)))
|
---|
578 |
|
---|
579 | (defun compilation-next-file (n)
|
---|
580 | "Move point to the next error for a different file than the current one."
|
---|
581 | (interactive "p")
|
---|
582 | (or (compilation-buffer-p (current-buffer))
|
---|
583 | (error "Not in a compilation buffer."))
|
---|
584 | (setq compilation-last-buffer (current-buffer))
|
---|
585 |
|
---|
586 | (let ((reversed (< n 0))
|
---|
587 | errors filedata)
|
---|
588 |
|
---|
589 | (if (not reversed)
|
---|
590 | (setq errors (or (compile-error-at-point)
|
---|
591 | (error "Moved past last error")))
|
---|
592 |
|
---|
593 | ;; Get a reversed list of the errors up through the one containing point.
|
---|
594 | (compile-reinitialize-errors nil (point))
|
---|
595 | (setq errors (reverse compilation-old-error-list)
|
---|
596 | n (- n))
|
---|
597 |
|
---|
598 | ;; Ignore errors after point. (car ERRORS) will be the error
|
---|
599 | ;; containing point, (cadr ERRORS) the one before it.
|
---|
600 | (while (and errors
|
---|
601 | (< (point) (car (car errors))))
|
---|
602 | (setq errors (cdr errors))))
|
---|
603 |
|
---|
604 | (while (> n 0)
|
---|
605 | (setq filedata (compilation-error-filedata (car errors)))
|
---|
606 |
|
---|
607 | ;; Skip past the following errors for this file.
|
---|
608 | (while (equal filedata
|
---|
609 | (compilation-error-filedata
|
---|
610 | (car (or errors
|
---|
611 | (if reversed
|
---|
612 | (error "%s the first erring file"
|
---|
613 | (compilation-error-filedata-file-name
|
---|
614 | filedata))
|
---|
615 | (let ((compilation-error-list nil))
|
---|
616 | ;; Parse some more.
|
---|
617 | (compile-reinitialize-errors nil nil 2)
|
---|
618 | (setq errors compilation-error-list)))
|
---|
619 | (error "%s is the last erring file"
|
---|
620 | (compilation-error-filedata-file-name
|
---|
621 | filedata))))))
|
---|
622 | (setq errors (cdr errors)))
|
---|
623 |
|
---|
624 | (setq n (1- n)))
|
---|
625 |
|
---|
626 | ;; Move to the following error.
|
---|
627 | (goto-char (car (car (or errors
|
---|
628 | (if reversed
|
---|
629 | (error "This is the first erring file")
|
---|
630 | (let ((compilation-error-list nil))
|
---|
631 | ;; Parse the last one.
|
---|
632 | (compile-reinitialize-errors nil nil 1)
|
---|
633 | compilation-error-list))))))))
|
---|
634 |
|
---|
635 | (defun compilation-previous-file (n)
|
---|
636 | "Move point to the previous error for a different file than the current one."
|
---|
637 | (interactive "p")
|
---|
638 | (compilation-next-file (- n)))
|
---|
639 |
|
---|
640 |
|
---|
641 | (defun kill-compilation ()
|
---|
642 | "Kill the process made by the \\[compile] command."
|
---|
643 | (interactive)
|
---|
644 | (let ((buffer (compilation-find-buffer)))
|
---|
645 | (if (get-buffer-process buffer)
|
---|
646 | (interrupt-process (get-buffer-process buffer))
|
---|
647 | (error "The compilation process is not running."))))
|
---|
648 |
|
---|
649 |
|
---|
650 | ;; Parse any new errors in the compilation buffer,
|
---|
651 | ;; or reparse from the beginning if the user has asked for that.
|
---|
652 | (defun compile-reinitialize-errors (reparse
|
---|
653 | &optional limit-search find-at-least)
|
---|
654 | (save-excursion
|
---|
655 | (set-buffer compilation-last-buffer)
|
---|
656 | ;; If we are out of errors, or if user says "reparse",
|
---|
657 | ;; discard the info we have, to force reparsing.
|
---|
658 | (if (or (eq compilation-error-list t)
|
---|
659 | reparse)
|
---|
660 | (compilation-forget-errors))
|
---|
661 | (if (and compilation-error-list
|
---|
662 | (or (not limit-search)
|
---|
663 | (> compilation-parsing-end limit-search))
|
---|
664 | (or (not find-at-least)
|
---|
665 | (>= (length compilation-error-list) find-at-least)))
|
---|
666 | ;; Since compilation-error-list is non-nil, it points to a specific
|
---|
667 | ;; error the user wanted. So don't move it around.
|
---|
668 | nil
|
---|
669 | ;; This was here for a long time (before my rewrite); why? --roland
|
---|
670 | ;;(switch-to-buffer compilation-last-buffer)
|
---|
671 | (set-buffer-modified-p nil)
|
---|
672 | (if (< compilation-parsing-end (point-max))
|
---|
673 | ;; compilation-error-list might be non-nil if we have a non-nil
|
---|
674 | ;; LIMIT-SEARCH or FIND-AT-LEAST arg. In that case its value
|
---|
675 | ;; records the current position in the error list, and we must
|
---|
676 | ;; preserve that after reparsing.
|
---|
677 | (let ((error-list-pos compilation-error-list))
|
---|
678 | (funcall compilation-parse-errors-function
|
---|
679 | limit-search
|
---|
680 | (and find-at-least
|
---|
681 | ;; We only need enough new parsed errors to reach
|
---|
682 | ;; FIND-AT-LEAST errors past the current
|
---|
683 | ;; position.
|
---|
684 | (- find-at-least (length compilation-error-list))))
|
---|
685 | ;; Remember the entire list for compilation-forget-errors. If
|
---|
686 | ;; this is an incremental parse, append to previous list. If
|
---|
687 | ;; we are parsing anew, compilation-forget-errors cleared
|
---|
688 | ;; compilation-old-error-list above.
|
---|
689 | (setq compilation-old-error-list
|
---|
690 | (nconc compilation-old-error-list compilation-error-list))
|
---|
691 | (if error-list-pos
|
---|
692 | ;; We started in the middle of an existing list of parsed
|
---|
693 | ;; errors before parsing more; restore that position.
|
---|
694 | (setq compilation-error-list error-list-pos))
|
---|
695 | )))))
|
---|
696 |
|
---|
697 | (defun compile-mouse-goto-error (event)
|
---|
698 | (interactive "e")
|
---|
699 | (save-excursion
|
---|
700 | (set-buffer (window-buffer (posn-window (event-end event))))
|
---|
701 | (goto-char (posn-point (event-end event)))
|
---|
702 |
|
---|
703 | (or (compilation-buffer-p (current-buffer))
|
---|
704 | (error "Not in a compilation buffer."))
|
---|
705 | (setq compilation-last-buffer (current-buffer))
|
---|
706 | (compile-reinitialize-errors nil (point))
|
---|
707 |
|
---|
708 | ;; Move to bol; the marker for the error on this line will point there.
|
---|
709 | (beginning-of-line)
|
---|
710 |
|
---|
711 | ;; Move compilation-error-list to the elt of compilation-old-error-list
|
---|
712 | ;; we want.
|
---|
713 | (setq compilation-error-list compilation-old-error-list)
|
---|
714 | (while (and compilation-error-list
|
---|
715 | (> (point) (car (car compilation-error-list))))
|
---|
716 | (setq compilation-error-list (cdr compilation-error-list)))
|
---|
717 | (or compilation-error-list
|
---|
718 | (error "No error to go to")))
|
---|
719 | (select-window (posn-window (event-end event)))
|
---|
720 | ;; Move to another window, so that next-error's window changes
|
---|
721 | ;; result in the desired setup.
|
---|
722 | (or (one-window-p)
|
---|
723 | (progn
|
---|
724 | (other-window -1)
|
---|
725 | ;; other-window changed the selected buffer,
|
---|
726 | ;; but we didn't want to do that.
|
---|
727 | (set-buffer compilation-last-buffer)))
|
---|
728 |
|
---|
729 | (push-mark)
|
---|
730 | (next-error 1))
|
---|
731 |
|
---|
732 | (defun compile-goto-error (&optional argp)
|
---|
733 | "Visit the source for the error message point is on.
|
---|
734 | Use this command in a compilation log buffer. Sets the mark at point there.
|
---|
735 | \\[universal-argument] as a prefix arg means to reparse the buffer's error messages first;
|
---|
736 | other kinds of prefix arguments are ignored."
|
---|
737 | (interactive "P")
|
---|
738 | (or (compilation-buffer-p (current-buffer))
|
---|
739 | (error "Not in a compilation buffer."))
|
---|
740 | (setq compilation-last-buffer (current-buffer))
|
---|
741 | (compile-reinitialize-errors (consp argp) (point))
|
---|
742 |
|
---|
743 | ;; Move to bol; the marker for the error on this line will point there.
|
---|
744 | (beginning-of-line)
|
---|
745 |
|
---|
746 | ;; Move compilation-error-list to the elt of compilation-old-error-list
|
---|
747 | ;; we want.
|
---|
748 | (setq compilation-error-list compilation-old-error-list)
|
---|
749 | (while (and compilation-error-list
|
---|
750 | (> (point) (car (car compilation-error-list))))
|
---|
751 | (setq compilation-error-list (cdr compilation-error-list)))
|
---|
752 |
|
---|
753 | ;; Move to another window, so that next-error's window changes
|
---|
754 | ;; result in the desired setup.
|
---|
755 | (or (one-window-p)
|
---|
756 | (progn
|
---|
757 | (other-window -1)
|
---|
758 | ;; other-window changed the selected buffer,
|
---|
759 | ;; but we didn't want to do that.
|
---|
760 | (set-buffer compilation-last-buffer)))
|
---|
761 |
|
---|
762 | (push-mark)
|
---|
763 | (next-error 1))
|
---|
764 |
|
---|
765 | ;; Return a compilation buffer.
|
---|
766 | ;; If the current buffer is a compilation buffer, return it.
|
---|
767 | ;; If compilation-last-buffer is set to a live buffer, use that.
|
---|
768 | ;; Otherwise, look for a compilation buffer and signal an error
|
---|
769 | ;; if there are none.
|
---|
770 | (defun compilation-find-buffer (&optional other-buffer)
|
---|
771 | (if (and (not other-buffer)
|
---|
772 | (compilation-buffer-p (current-buffer)))
|
---|
773 | ;; The current buffer is a compilation buffer.
|
---|
774 | (current-buffer)
|
---|
775 | (if (and compilation-last-buffer (buffer-name compilation-last-buffer)
|
---|
776 | (or (not other-buffer) (not (eq compilation-last-buffer
|
---|
777 | (current-buffer)))))
|
---|
778 | compilation-last-buffer
|
---|
779 | (let ((buffers (buffer-list)))
|
---|
780 | (while (and buffers (or (not (compilation-buffer-p (car buffers)))
|
---|
781 | (and other-buffer
|
---|
782 | (eq (car buffers) (current-buffer)))))
|
---|
783 | (setq buffers (cdr buffers)))
|
---|
784 | (if buffers
|
---|
785 | (car buffers)
|
---|
786 | (or (and other-buffer
|
---|
787 | (compilation-buffer-p (current-buffer))
|
---|
788 | ;; The current buffer is a compilation buffer.
|
---|
789 | (progn
|
---|
790 | (if other-buffer
|
---|
791 | (message "This is the only compilation buffer."))
|
---|
792 | (current-buffer)))
|
---|
793 | (error "No compilation started!")))))))
|
---|
794 |
|
---|
795 | ;;;###autoload
|
---|
796 | (defun next-error (&optional argp)
|
---|
797 | "Visit next compilation error message and corresponding source code.
|
---|
798 | This operates on the output from the \\[compile] command.
|
---|
799 | If all preparsed error messages have been processed,
|
---|
800 | the error message buffer is checked for new ones.
|
---|
801 |
|
---|
802 | A prefix arg specifies how many error messages to move;
|
---|
803 | negative means move back to previous error messages.
|
---|
804 | Just C-u as a prefix means reparse the error message buffer
|
---|
805 | and start at the first error.
|
---|
806 |
|
---|
807 | \\[next-error] normally applies to the most recent compilation started,
|
---|
808 | but as long as you are in the middle of parsing errors from one compilation
|
---|
809 | output buffer, you stay with that compilation output buffer.
|
---|
810 |
|
---|
811 | Use \\[next-error] in a compilation output buffer to switch to
|
---|
812 | processing errors from that compilation.
|
---|
813 |
|
---|
814 | See variables `compilation-parse-errors-function' and
|
---|
815 | \`compilation-error-regexp-alist' for customization ideas."
|
---|
816 | (interactive "P")
|
---|
817 | (setq compilation-last-buffer (compilation-find-buffer))
|
---|
818 | (compilation-goto-locus (compilation-next-error-locus
|
---|
819 | ;; We want to pass a number here only if
|
---|
820 | ;; we got a numeric prefix arg, not just C-u.
|
---|
821 | (and (not (consp argp))
|
---|
822 | (prefix-numeric-value argp))
|
---|
823 | (consp argp))))
|
---|
824 | ;;;###autoload (define-key ctl-x-map "`" 'next-error)
|
---|
825 |
|
---|
826 | (defun compilation-next-error-locus (&optional move reparse)
|
---|
827 | "Visit next compilation error and return locus in corresponding source code.
|
---|
828 | This operates on the output from the \\[compile] command.
|
---|
829 | If all preparsed error messages have been processed,
|
---|
830 | the error message buffer is checked for new ones.
|
---|
831 |
|
---|
832 | Returns a cons (ERROR . SOURCE) of two markers: ERROR is a marker at the
|
---|
833 | location of the error message in the compilation buffer, and SOURCE is a
|
---|
834 | marker at the location in the source code indicated by the error message.
|
---|
835 |
|
---|
836 | Optional first arg MOVE says how many error messages to move forwards (or
|
---|
837 | backwards, if negative); default is 1. Optional second arg REPARSE, if
|
---|
838 | non-nil, says to reparse the error message buffer and reset to the first
|
---|
839 | error (plus MOVE - 1).
|
---|
840 |
|
---|
841 | The current buffer should be the desired compilation output buffer."
|
---|
842 | (or move (setq move 1))
|
---|
843 | (compile-reinitialize-errors reparse nil (and (not reparse)
|
---|
844 | (if (< move 1) 0 (1- move))))
|
---|
845 | (let (next-errors next-error)
|
---|
846 | (save-excursion
|
---|
847 | (set-buffer compilation-last-buffer)
|
---|
848 | ;; compilation-error-list points to the "current" error.
|
---|
849 | (setq next-errors
|
---|
850 | (if (> move 0)
|
---|
851 | (nthcdr (1- move)
|
---|
852 | compilation-error-list)
|
---|
853 | ;; Zero or negative arg; we need to move back in the list.
|
---|
854 | (let ((n (1- move))
|
---|
855 | (i 0)
|
---|
856 | (e compilation-old-error-list))
|
---|
857 | ;; See how many cdrs away the current error is from the start.
|
---|
858 | (while (not (eq e compilation-error-list))
|
---|
859 | (setq i (1+ i)
|
---|
860 | e (cdr e)))
|
---|
861 | (if (> (- n) i)
|
---|
862 | (error "Moved back past first error")
|
---|
863 | (nthcdr (+ i n) compilation-old-error-list))))
|
---|
864 | next-error (car next-errors))
|
---|
865 | (while
|
---|
866 | (if (null next-error)
|
---|
867 | (progn
|
---|
868 | (and move (/= move 1)
|
---|
869 | (error (if (> move 0)
|
---|
870 | "Moved past last error")
|
---|
871 | "Moved back past first error"))
|
---|
872 | (compilation-forget-errors)
|
---|
873 | (error (concat compilation-error-message
|
---|
874 | (and (get-buffer-process (current-buffer))
|
---|
875 | (eq (process-status
|
---|
876 | (get-buffer-process
|
---|
877 | (current-buffer)))
|
---|
878 | 'run)
|
---|
879 | " yet"))))
|
---|
880 | (setq compilation-error-list (cdr next-errors))
|
---|
881 | (if (null (cdr next-error))
|
---|
882 | ;; This error is boring. Go to the next.
|
---|
883 | t
|
---|
884 | (or (markerp (cdr next-error))
|
---|
885 | ;; This error has a filename/lineno pair.
|
---|
886 | ;; Find the file and turn it into a marker.
|
---|
887 | (let* ((fileinfo (car (cdr next-error)))
|
---|
888 | (buffer (compilation-find-file (cdr fileinfo)
|
---|
889 | (car fileinfo)
|
---|
890 | (car next-error))))
|
---|
891 | (if (null buffer)
|
---|
892 | ;; We can't find this error's file.
|
---|
893 | ;; Remove all errors in the same file.
|
---|
894 | (progn
|
---|
895 | (setq next-errors compilation-old-error-list)
|
---|
896 | (while next-errors
|
---|
897 | (and (consp (cdr (car next-errors)))
|
---|
898 | (equal (car (cdr (car next-errors)))
|
---|
899 | fileinfo)
|
---|
900 | (progn
|
---|
901 | (set-marker (car (car next-errors)) nil)
|
---|
902 | (setcdr (car next-errors) nil)))
|
---|
903 | (setq next-errors (cdr next-errors)))
|
---|
904 | ;; Look for the next error.
|
---|
905 | t)
|
---|
906 | ;; We found the file. Get a marker for this error.
|
---|
907 | ;; compilation-old-error-list is a buffer-local
|
---|
908 | ;; variable, so we must be careful to extract its value
|
---|
909 | ;; before switching to the source file buffer.
|
---|
910 | (let ((errors compilation-old-error-list)
|
---|
911 | (last-line (nth 1 (cdr next-error)))
|
---|
912 | (column (nth 2 (cdr next-error))))
|
---|
913 | (set-buffer buffer)
|
---|
914 | (save-excursion
|
---|
915 | (save-restriction
|
---|
916 | (widen)
|
---|
917 | (goto-line last-line)
|
---|
918 | (if column
|
---|
919 | (move-to-column column)
|
---|
920 | (beginning-of-line))
|
---|
921 | (setcdr next-error (point-marker))
|
---|
922 | ;; Make all the other error messages referring
|
---|
923 | ;; to the same file have markers into the buffer.
|
---|
924 | (while errors
|
---|
925 | (and (consp (cdr (car errors)))
|
---|
926 | (equal (car (cdr (car errors))) fileinfo)
|
---|
927 | (let* ((this (nth 1 (cdr (car errors))))
|
---|
928 | (column (nth 2 (cdr (car errors))))
|
---|
929 | (lines (- this last-line)))
|
---|
930 | (if (eq selective-display t)
|
---|
931 | ;; When selective-display is t,
|
---|
932 | ;; each C-m is a line boundary,
|
---|
933 | ;; as well as each newline.
|
---|
934 | (if (< lines 0)
|
---|
935 | (re-search-backward "[\n\C-m]"
|
---|
936 | nil 'end
|
---|
937 | (- lines))
|
---|
938 | (re-search-forward "[\n\C-m]"
|
---|
939 | nil 'end
|
---|
940 | lines))
|
---|
941 | (forward-line lines))
|
---|
942 | (if column
|
---|
943 | (move-to-column column))
|
---|
944 | (setq last-line this)
|
---|
945 | (setcdr (car errors) (point-marker))))
|
---|
946 | (setq errors (cdr errors)))))))))
|
---|
947 | ;; If we didn't get a marker for this error, or this
|
---|
948 | ;; marker's buffer was killed, go on to the next one.
|
---|
949 | (or (not (markerp (cdr next-error)))
|
---|
950 | (not (marker-buffer (cdr next-error))))))
|
---|
951 | (setq next-errors compilation-error-list
|
---|
952 | next-error (car next-errors))))
|
---|
953 |
|
---|
954 | ;; Skip over multiple error messages for the same source location,
|
---|
955 | ;; so the next C-x ` won't go to an error in the same place.
|
---|
956 | (while (and compilation-error-list
|
---|
957 | (equal (cdr (car compilation-error-list)) (cdr next-error)))
|
---|
958 | (setq compilation-error-list (cdr compilation-error-list)))
|
---|
959 |
|
---|
960 | ;; We now have a marker for the position of the error source code.
|
---|
961 | ;; NEXT-ERROR is a cons (ERROR . SOURCE) of two markers.
|
---|
962 | next-error))
|
---|
963 |
|
---|
964 | (defun compilation-goto-locus (next-error)
|
---|
965 | "Jump to an error locus returned by `compilation-next-error-locus'.
|
---|
966 | Takes one argument, a cons (ERROR . SOURCE) of two markers.
|
---|
967 | Selects a window with point at SOURCE, with another window displaying ERROR."
|
---|
968 | (if (and (window-dedicated-p (selected-window))
|
---|
969 | (eq (selected-window) (frame-root-window)))
|
---|
970 | (switch-to-buffer-other-frame (marker-buffer (cdr next-error)))
|
---|
971 | (switch-to-buffer (marker-buffer (cdr next-error))))
|
---|
972 | (goto-char (cdr next-error))
|
---|
973 | ;; If narrowing got in the way of
|
---|
974 | ;; going to the right place, widen.
|
---|
975 | (or (= (point) (marker-position (cdr next-error)))
|
---|
976 | (progn
|
---|
977 | (widen)
|
---|
978 | (goto-char (cdr next-error))))
|
---|
979 |
|
---|
980 | ;; Show compilation buffer in other window, scrolled to this error.
|
---|
981 | (let* ((pop-up-windows t)
|
---|
982 | (w (display-buffer (marker-buffer (car next-error)))))
|
---|
983 | (set-window-point w (car next-error))
|
---|
984 | (set-window-start w (car next-error))))
|
---|
985 | |
---|
986 |
|
---|
987 | ;; Find a buffer for file FILENAME.
|
---|
988 | ;; Search the directories in compilation-search-path.
|
---|
989 | ;; A nil in compilation-search-path means to try the
|
---|
990 | ;; current directory, which is passed in DIR.
|
---|
991 | ;; If FILENAME is not found at all, ask the user where to find it.
|
---|
992 | ;; Pop up the buffer containing MARKER and scroll to MARKER if we ask the user.
|
---|
993 | (defun compilation-find-file (filename dir marker)
|
---|
994 | (let ((dirs compilation-search-path)
|
---|
995 | result name)
|
---|
996 | (while (and dirs (null result))
|
---|
997 | (setq name (expand-file-name filename (or (car dirs) dir))
|
---|
998 | result (and (file-exists-p name)
|
---|
999 | (find-file-noselect name))
|
---|
1000 | dirs (cdr dirs)))
|
---|
1001 | (or result
|
---|
1002 | ;; The file doesn't exist.
|
---|
1003 | ;; Ask the user where to find it.
|
---|
1004 | ;; If he hits C-g, then the next time he does
|
---|
1005 | ;; next-error, he'll skip past it.
|
---|
1006 | (progn
|
---|
1007 | (let* ((pop-up-windows t)
|
---|
1008 | (w (display-buffer (marker-buffer marker))))
|
---|
1009 | (set-window-point w marker)
|
---|
1010 | (set-window-start w marker))
|
---|
1011 | (setq name
|
---|
1012 | (expand-file-name
|
---|
1013 | (read-file-name
|
---|
1014 | (format "Find this error in: (default %s) "
|
---|
1015 | filename) dir filename t)))
|
---|
1016 | (if (file-directory-p name)
|
---|
1017 | (setq name (concat (file-name-as-directory name) filename)))
|
---|
1018 | (if (file-exists-p name)
|
---|
1019 | (find-file-noselect name))))))
|
---|
1020 |
|
---|
1021 | ;; Set compilation-error-list to nil, and unchain the markers that point to the
|
---|
1022 | ;; error messages and their text, so that they no longer slow down gap motion.
|
---|
1023 | ;; This would happen anyway at the next garbage collection, but it is better to
|
---|
1024 | ;; do it right away.
|
---|
1025 | (defun compilation-forget-errors ()
|
---|
1026 | (while compilation-old-error-list
|
---|
1027 | (let ((next-error (car compilation-old-error-list)))
|
---|
1028 | (set-marker (car next-error) nil)
|
---|
1029 | (if (markerp (cdr next-error))
|
---|
1030 | (set-marker (cdr next-error) nil)))
|
---|
1031 | (setq compilation-old-error-list (cdr compilation-old-error-list)))
|
---|
1032 | (setq compilation-error-list nil
|
---|
1033 | compilation-directory-stack nil
|
---|
1034 | compilation-parsing-end 1))
|
---|
1035 |
|
---|
1036 |
|
---|
1037 | (defun count-regexp-groupings (regexp)
|
---|
1038 | "Return the number of \\( ... \\) groupings in REGEXP (a string)."
|
---|
1039 | (let ((groupings 0)
|
---|
1040 | (len (length regexp))
|
---|
1041 | (i 0)
|
---|
1042 | c)
|
---|
1043 | (while (< i len)
|
---|
1044 | (setq c (aref regexp i)
|
---|
1045 | i (1+ i))
|
---|
1046 | (cond ((= c ?\[)
|
---|
1047 | ;; Find the end of this [...].
|
---|
1048 | (while (and (< i len)
|
---|
1049 | (not (= (aref regexp i) ?\])))
|
---|
1050 | (setq i (1+ i))))
|
---|
1051 | ((= c ?\\)
|
---|
1052 | (if (< i len)
|
---|
1053 | (progn
|
---|
1054 | (setq c (aref regexp i)
|
---|
1055 | i (1+ i))
|
---|
1056 | (if (= c ?\))
|
---|
1057 | ;; We found the end of a grouping,
|
---|
1058 | ;; so bump our counter.
|
---|
1059 | (setq groupings (1+ groupings))))))))
|
---|
1060 | groupings))
|
---|
1061 |
|
---|
1062 | (defun compilation-parse-errors (limit-search find-at-least)
|
---|
1063 | "Parse the current buffer as grep, cc or lint error messages.
|
---|
1064 | See variable `compilation-parse-errors-function' for the interface it uses."
|
---|
1065 | (setq compilation-error-list nil)
|
---|
1066 | (message "Parsing error messages...")
|
---|
1067 | (let (text-buffer orig orig-expanded parent-expanded
|
---|
1068 | regexp enter-group leave-group error-group
|
---|
1069 | alist subexpr error-regexp-groups
|
---|
1070 | (found-desired nil)
|
---|
1071 | (compilation-num-errors-found 0))
|
---|
1072 |
|
---|
1073 | ;; Don't reparse messages already seen at last parse.
|
---|
1074 | (goto-char compilation-parsing-end)
|
---|
1075 | ;; Don't parse the first two lines as error messages.
|
---|
1076 | ;; This matters for grep.
|
---|
1077 | (if (bobp)
|
---|
1078 | (progn
|
---|
1079 | (forward-line 2)
|
---|
1080 | ;; Move back so point is before the newline.
|
---|
1081 | ;; This matters because some error regexps use \n instead of ^
|
---|
1082 | ;; to be faster.
|
---|
1083 | (forward-char -1)))
|
---|
1084 |
|
---|
1085 | ;; Compile all the regexps we want to search for into one.
|
---|
1086 | (setq regexp (concat "\\(" compilation-enter-directory-regexp "\\)\\|"
|
---|
1087 | "\\(" compilation-leave-directory-regexp "\\)\\|"
|
---|
1088 | "\\(" (mapconcat (function
|
---|
1089 | (lambda (elt)
|
---|
1090 | (concat "\\(" (car elt) "\\)")))
|
---|
1091 | compilation-error-regexp-alist
|
---|
1092 | "\\|") "\\)"))
|
---|
1093 |
|
---|
1094 | ;; Find out how many \(...\) groupings are in each of the regexps, and set
|
---|
1095 | ;; *-GROUP to the grouping containing each constituent regexp (whose
|
---|
1096 | ;; subgroups will come immediately thereafter) of the big regexp we have
|
---|
1097 | ;; just constructed.
|
---|
1098 | (setq enter-group 1
|
---|
1099 | leave-group (+ enter-group
|
---|
1100 | (count-regexp-groupings
|
---|
1101 | compilation-enter-directory-regexp)
|
---|
1102 | 1)
|
---|
1103 | error-group (+ leave-group
|
---|
1104 | (count-regexp-groupings
|
---|
1105 | compilation-leave-directory-regexp)
|
---|
1106 | 1))
|
---|
1107 |
|
---|
1108 | ;; Compile an alist (IDX FILE LINE [COL]), where IDX is the number of
|
---|
1109 | ;; the subexpression for an entire error-regexp, and FILE and LINE (and
|
---|
1110 | ;; possibly COL) are the numbers for the subexpressions giving the file
|
---|
1111 | ;; name and line number (and possibly column number).
|
---|
1112 | (setq alist (or compilation-error-regexp-alist
|
---|
1113 | (error "compilation-error-regexp-alist is empty!"))
|
---|
1114 | subexpr (1+ error-group))
|
---|
1115 | (while alist
|
---|
1116 | (setq error-regexp-groups
|
---|
1117 | (cons (list subexpr
|
---|
1118 | (+ subexpr (nth 1 (car alist)))
|
---|
1119 | (+ subexpr (nth 2 (car alist)))
|
---|
1120 | (and (nth 3 (car alist))
|
---|
1121 | (+ subexpr (nth 3 (car alist)))))
|
---|
1122 | error-regexp-groups))
|
---|
1123 | (setq subexpr (+ subexpr 1 (count-regexp-groupings (car (car alist)))))
|
---|
1124 | (setq alist (cdr alist)))
|
---|
1125 |
|
---|
1126 | (setq orig default-directory)
|
---|
1127 | (setq orig-expanded (file-truename orig))
|
---|
1128 | (setq parent-expanded (expand-file-name "../" orig-expanded))
|
---|
1129 |
|
---|
1130 | (while (and (not found-desired)
|
---|
1131 | ;; We don't just pass LIMIT-SEARCH to re-search-forward
|
---|
1132 | ;; because we want to find matches containing LIMIT-SEARCH
|
---|
1133 | ;; but which extend past it.
|
---|
1134 | (re-search-forward regexp nil t))
|
---|
1135 |
|
---|
1136 | ;; Figure out which constituent regexp matched.
|
---|
1137 | (cond ((match-beginning enter-group)
|
---|
1138 | ;; The match was the enter-directory regexp.
|
---|
1139 | (let ((dir
|
---|
1140 | (file-name-as-directory
|
---|
1141 | (expand-file-name
|
---|
1142 | (buffer-substring (match-beginning (+ enter-group 1))
|
---|
1143 | (match-end (+ enter-group 1)))))))
|
---|
1144 | ;; The directory name in the "entering" message
|
---|
1145 | ;; is a truename. Try to convert it to a form
|
---|
1146 | ;; like what the user typed in.
|
---|
1147 | (setq dir
|
---|
1148 | (compile-abbreviate-directory dir orig orig-expanded
|
---|
1149 | parent-expanded))
|
---|
1150 | (setq compilation-directory-stack
|
---|
1151 | (cons dir compilation-directory-stack))
|
---|
1152 | (and (file-directory-p dir)
|
---|
1153 | (setq default-directory dir)))
|
---|
1154 |
|
---|
1155 | (and limit-search (>= (point) limit-search)
|
---|
1156 | ;; The user wanted a specific error, and we're past it.
|
---|
1157 | ;; We do this check here (and in the leave-group case)
|
---|
1158 | ;; rather than at the end of the loop because if the last
|
---|
1159 | ;; thing seen is an error message, we must carefully
|
---|
1160 | ;; discard the last error when it is the first in a new
|
---|
1161 | ;; file (see below in the error-group case).
|
---|
1162 | (setq found-desired t)))
|
---|
1163 |
|
---|
1164 | ((match-beginning leave-group)
|
---|
1165 | ;; The match was the leave-directory regexp.
|
---|
1166 | (let ((beg (match-beginning (+ leave-group 1)))
|
---|
1167 | (stack compilation-directory-stack))
|
---|
1168 | (if beg
|
---|
1169 | (let ((dir
|
---|
1170 | (file-name-as-directory
|
---|
1171 | (expand-file-name
|
---|
1172 | (buffer-substring beg
|
---|
1173 | (match-end (+ leave-group
|
---|
1174 | 1)))))))
|
---|
1175 | ;; The directory name in the "entering" message
|
---|
1176 | ;; is a truename. Try to convert it to a form
|
---|
1177 | ;; like what the user typed in.
|
---|
1178 | (setq dir
|
---|
1179 | (compile-abbreviate-directory dir orig orig-expanded
|
---|
1180 | parent-expanded))
|
---|
1181 | (while (and stack
|
---|
1182 | (not (string-equal (car stack) dir)))
|
---|
1183 | (setq stack (cdr stack)))))
|
---|
1184 | (setq compilation-directory-stack (cdr stack))
|
---|
1185 | (setq stack (car compilation-directory-stack))
|
---|
1186 | (if stack
|
---|
1187 | (setq default-directory stack))
|
---|
1188 | )
|
---|
1189 |
|
---|
1190 | (and limit-search (>= (point) limit-search)
|
---|
1191 | ;; The user wanted a specific error, and we're past it.
|
---|
1192 | ;; We do this check here (and in the enter-group case)
|
---|
1193 | ;; rather than at the end of the loop because if the last
|
---|
1194 | ;; thing seen is an error message, we must carefully
|
---|
1195 | ;; discard the last error when it is the first in a new
|
---|
1196 | ;; file (see below in the error-group case).
|
---|
1197 | (setq found-desired t)))
|
---|
1198 |
|
---|
1199 | ((match-beginning error-group)
|
---|
1200 | ;; The match was the composite error regexp.
|
---|
1201 | ;; Find out which individual regexp matched.
|
---|
1202 | (setq alist error-regexp-groups)
|
---|
1203 | (while (and alist
|
---|
1204 | (null (match-beginning (car (car alist)))))
|
---|
1205 | (setq alist (cdr alist)))
|
---|
1206 | (if alist
|
---|
1207 | (setq alist (car alist))
|
---|
1208 | (error "compilation-parse-errors: impossible regexp match!"))
|
---|
1209 |
|
---|
1210 | ;; Extract the file name and line number from the error message.
|
---|
1211 | (let ((beginning-of-match (match-beginning 0)) ;looking-at nukes
|
---|
1212 | (filename (buffer-substring (match-beginning (nth 1 alist))
|
---|
1213 | (match-end (nth 1 alist))))
|
---|
1214 | (linenum (string-to-int
|
---|
1215 | (buffer-substring
|
---|
1216 | (match-beginning (nth 2 alist))
|
---|
1217 | (match-end (nth 2 alist)))))
|
---|
1218 | (column (and (nth 3 alist)
|
---|
1219 | (string-to-int
|
---|
1220 | (buffer-substring
|
---|
1221 | (match-beginning (nth 3 alist))
|
---|
1222 | (match-end (nth 3 alist)))))))
|
---|
1223 |
|
---|
1224 | ;; Check for a comint-file-name-prefix and prepend it if
|
---|
1225 | ;; appropriate. (This is very useful for
|
---|
1226 | ;; compilation-minor-mode in an rlogin-mode buffer.)
|
---|
1227 | (and (boundp 'comint-file-name-prefix)
|
---|
1228 | ;; If the file name is relative, default-directory will
|
---|
1229 | ;; already contain the comint-file-name-prefix (done by
|
---|
1230 | ;; compile-abbreviate-directory).
|
---|
1231 | (file-name-absolute-p filename)
|
---|
1232 | (setq filename (concat comint-file-name-prefix filename)))
|
---|
1233 | (setq filename (cons default-directory filename))
|
---|
1234 |
|
---|
1235 | ;; Locate the erring file and line.
|
---|
1236 | ;; Cons a new elt onto compilation-error-list,
|
---|
1237 | ;; giving a marker for the current compilation buffer
|
---|
1238 | ;; location, and the file and line number of the error.
|
---|
1239 | (save-excursion
|
---|
1240 | (beginning-of-line 1)
|
---|
1241 | (let ((this (cons (point-marker)
|
---|
1242 | (list filename linenum column))))
|
---|
1243 | ;; Don't add the same source line more than once.
|
---|
1244 | (if (equal (cdr this) (cdr (car compilation-error-list)))
|
---|
1245 | nil
|
---|
1246 | (setq compilation-error-list
|
---|
1247 | (cons this
|
---|
1248 | compilation-error-list))
|
---|
1249 | (setq compilation-num-errors-found
|
---|
1250 | (1+ compilation-num-errors-found)))))
|
---|
1251 | (and (or (and find-at-least (> compilation-num-errors-found
|
---|
1252 | find-at-least))
|
---|
1253 | (and limit-search (>= (point) limit-search)))
|
---|
1254 | ;; We have found as many new errors as the user wants,
|
---|
1255 | ;; or past the buffer position he indicated. We
|
---|
1256 | ;; continue to parse until we have seen all the
|
---|
1257 | ;; consecutive errors in the same file, so the error
|
---|
1258 | ;; positions will be recorded as markers in this buffer
|
---|
1259 | ;; that might change.
|
---|
1260 | (cdr compilation-error-list) ; Must check at least two.
|
---|
1261 | (not (equal (car (cdr (nth 0 compilation-error-list)))
|
---|
1262 | (car (cdr (nth 1 compilation-error-list)))))
|
---|
1263 | (progn
|
---|
1264 | ;; Discard the error just parsed, so that the next
|
---|
1265 | ;; parsing run can get it and the following errors in
|
---|
1266 | ;; the same file all at once. If we didn't do this, we
|
---|
1267 | ;; would have the same problem we are trying to avoid
|
---|
1268 | ;; with the test above, just delayed until the next run!
|
---|
1269 | (setq compilation-error-list
|
---|
1270 | (cdr compilation-error-list))
|
---|
1271 | (goto-char beginning-of-match)
|
---|
1272 | (setq found-desired t)))
|
---|
1273 | )
|
---|
1274 | )
|
---|
1275 | (t
|
---|
1276 | (error "compilation-parse-errors: known groups didn't match!")))
|
---|
1277 |
|
---|
1278 | (message "Parsing error messages...%d (%.0f%% of buffer)"
|
---|
1279 | compilation-num-errors-found
|
---|
1280 | ;; Use floating-point because (* 100 (point)) frequently
|
---|
1281 | ;; exceeds the range of Emacs Lisp integers.
|
---|
1282 | (/ (* 100.0 (point)) (point-max)))
|
---|
1283 |
|
---|
1284 | (and limit-search (>= (point) limit-search)
|
---|
1285 | ;; The user wanted a specific error, and we're past it.
|
---|
1286 | (setq found-desired t)))
|
---|
1287 | (setq compilation-parsing-end (if found-desired
|
---|
1288 | (point)
|
---|
1289 | ;; We have searched the whole buffer.
|
---|
1290 | (point-max))))
|
---|
1291 | (setq compilation-error-list (nreverse compilation-error-list))
|
---|
1292 | (message "Parsing error messages...done"))
|
---|
1293 |
|
---|
1294 | ;; If directory DIR is a subdir of ORIG or of ORIG's parent,
|
---|
1295 | ;; return a relative name for it starting from ORIG or its parent.
|
---|
1296 | ;; ORIG-EXPANDED is an expanded version of ORIG.
|
---|
1297 | ;; PARENT-EXPANDED is an expanded version of ORIG's parent.
|
---|
1298 | ;; Those two args could be computed here, but we run faster by
|
---|
1299 | ;; having the caller compute them just once.
|
---|
1300 | (defun compile-abbreviate-directory (dir orig orig-expanded parent-expanded)
|
---|
1301 | ;; Check for a comint-file-name-prefix and prepend it if appropriate.
|
---|
1302 | ;; (This is very useful for compilation-minor-mode in an rlogin-mode
|
---|
1303 | ;; buffer.)
|
---|
1304 | (if (boundp 'comint-file-name-prefix)
|
---|
1305 | (setq dir (concat comint-file-name-prefix dir)))
|
---|
1306 |
|
---|
1307 | (if (and (> (length dir) (length orig-expanded))
|
---|
1308 | (string= orig-expanded
|
---|
1309 | (substring dir 0 (length orig-expanded))))
|
---|
1310 | (setq dir
|
---|
1311 | (concat orig
|
---|
1312 | (substring dir (length orig-expanded)))))
|
---|
1313 | (if (and (> (length dir) (length parent-expanded))
|
---|
1314 | (string= parent-expanded
|
---|
1315 | (substring dir 0 (length parent-expanded))))
|
---|
1316 | (setq dir
|
---|
1317 | (concat (file-name-directory
|
---|
1318 | (directory-file-name orig))
|
---|
1319 | (substring dir (length parent-expanded)))))
|
---|
1320 | dir)
|
---|
1321 |
|
---|
1322 | (provide 'compile)
|
---|
1323 |
|
---|
1324 | ;;; compile.el ends here
|
---|