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1 ;; octave-mod.el --- editing Octave source files under Emacs |
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2 |
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3 ;;; Copyright (C) 1997 Free Software Foundation, Inc. |
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4 |
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5 ;; Author: Kurt Hornik <Kurt.Hornik@ci.tuwien.ac.at> |
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6 ;; Author: John Eaton <jwe@bevo.che.wisc.edu> |
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7 ;; Maintainer: Kurt Hornik <Kurt.Hornik@ci.tuwien.ac.at> |
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8 ;; Keywords: languages |
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9 |
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10 ;; This file is part of GNU Emacs. |
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11 |
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12 ;; GNU Emacs is free software; you can redistribute it and/or modify |
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13 ;; it under the terms of the GNU General Public License as published by |
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14 ;; the Free Software Foundation; either version 2, or (at your option) |
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15 ;; any later version. |
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16 |
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17 ;; GNU Emacs is distributed in the hope that it will be useful, |
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18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
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19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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20 ;; GNU General Public License for more details. |
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21 |
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22 ;; You should have received a copy of the GNU General Public License |
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23 ;; along with GNU Emacs; see the file COPYING. If not, write to the |
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24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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25 ;; Boston, MA 02111-1307, USA. |
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26 |
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27 ;;; Commentary: |
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28 |
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29 ;; This package provides Emacs support for Octave. |
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30 ;; It defines Octave mode, a major mode for editing |
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31 ;; Octave code. |
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32 |
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33 ;; The file octave-hlp.el provides `octave-help', a facility for looking up |
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34 ;; documentation on a symbol in the Octave info files. |
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35 |
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36 ;; The file octave-inf.el contains code for interacting with an inferior |
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37 ;; Octave process using comint. |
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38 |
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39 ;; See the documentation of `octave-mode', `octave-help' and |
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40 ;; `run-octave' for further information on usage and customization. |
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41 |
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42 ;;; Code: |
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43 |
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44 (defconst octave-maintainer-address |
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45 "Kurt Hornik <Kurt.Hornik@ci.tuwien.ac.at>, bug-gnu-emacs@prep.ai.mit.edu" |
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46 "Current maintainer of the Emacs Octave package.") |
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47 |
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48 (defvar octave-abbrev-table nil |
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49 "Abbrev table for Octave's reserved words. |
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50 Used in octave-mode and inferior-octave-mode buffers. |
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51 All Octave abbrevs start with a grave accent (`).") |
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52 (if octave-abbrev-table |
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53 () |
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54 (let ((ac abbrevs-changed)) |
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55 (define-abbrev-table 'octave-abbrev-table ()) |
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56 (define-abbrev octave-abbrev-table "`a" "all_va_args" nil) |
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57 (define-abbrev octave-abbrev-table "`b" "break" nil) |
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58 (define-abbrev octave-abbrev-table "`ca" "catch" nil) |
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59 (define-abbrev octave-abbrev-table "`c" "continue" nil) |
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60 (define-abbrev octave-abbrev-table "`el" "else" nil) |
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61 (define-abbrev octave-abbrev-table "`eli" "elseif" nil) |
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62 (define-abbrev octave-abbrev-table "`et" "end_try_catch" nil) |
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63 (define-abbrev octave-abbrev-table "`eu" "end_unwind_protect" nil) |
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64 (define-abbrev octave-abbrev-table "`ef" "endfor" nil) |
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65 (define-abbrev octave-abbrev-table "`efu" "endfunction" nil) |
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66 (define-abbrev octave-abbrev-table "`ei" "endif" nil) |
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67 (define-abbrev octave-abbrev-table "`ew" "endwhile" nil) |
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68 (define-abbrev octave-abbrev-table "`f" "for" nil) |
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69 (define-abbrev octave-abbrev-table "`fu" "function" nil) |
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70 (define-abbrev octave-abbrev-table "`gl" "global" nil) |
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71 (define-abbrev octave-abbrev-table "`gp" "gplot" nil) |
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72 (define-abbrev octave-abbrev-table "`gs" "gsplot" nil) |
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73 (define-abbrev octave-abbrev-table "`if" "if ()" nil) |
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74 (define-abbrev octave-abbrev-table "`rp" "replot" nil) |
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75 (define-abbrev octave-abbrev-table "`r" "return" nil) |
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76 (define-abbrev octave-abbrev-table "`t" "try" nil) |
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77 (define-abbrev octave-abbrev-table "`up" "unwind_protect" nil) |
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78 (define-abbrev octave-abbrev-table "`upc" "unwind_protect_cleanup" nil) |
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79 (define-abbrev octave-abbrev-table "`w" "while ()" nil) |
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80 (setq abbrevs-changed ac))) |
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81 |
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82 (defvar octave-comment-char ?# |
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83 "Character to start an Octave comment.") |
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84 (defvar octave-comment-start |
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85 (concat (make-string 1 octave-comment-char) " ") |
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86 "String to insert to start a new Octave in-line comment.") |
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87 (defvar octave-comment-start-skip "\\s<+\\s-*" |
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88 "Regexp to match the start of an Octave comment up to its body.") |
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89 |
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90 (defvar octave-begin-keywords |
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91 '("for" "function" "if" "try" "unwind_protect" "while")) |
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92 (defvar octave-else-keywords |
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93 '("catch" "else" "elseif" "unwind_protect_cleanup")) |
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94 (defvar octave-end-keywords |
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95 '("end" "endfor" "endfunction" "endif" "end_try_catch" |
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96 "end_unwind_protect" "endwhile")) |
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97 |
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98 (defvar octave-reserved-words |
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99 (append octave-begin-keywords octave-else-keywords octave-end-keywords |
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100 '("all_va_args" "break" "continue" "global" "gplot" "gsplot" |
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101 "replot" "return")) |
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102 "Reserved words in Octave.") |
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103 |
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104 (defvar octave-text-functions |
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105 '("casesen" "cd" "chdir" "clear" "diary" "dir" "document" "echo" |
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106 "edit_history" "format" "gset" "gshow" "help" "history" "hold" |
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107 "load" "ls" "more" "run_history" "save" "set" "show" "type" |
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108 "which" "who" "whos") |
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109 "Text functions in Octave (these names are also reserved).") |
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110 |
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111 (defvar octave-variables |
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112 '("EDITOR" "EXEC_PATH" "F_DUPFD" "F_GETFD" "F_GETFL" "F_SETFD" |
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113 "F_SETFL" "I" "IMAGEPATH" "INFO_FILE" "INFO_PROGRAM" "Inf" "J" |
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114 "LOADPATH" "NaN" "OCTAVE_VERSION" "O_APPEND" "O_CREAT" "O_EXCL" |
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115 "O_NONBLOCK" "O_RDONLY" "O_RDWR" "O_TRUNC" "O_WRONLY" "PAGER" "PS1" |
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116 "PS2" "PS4" "PWD" "SEEK_CUR" "SEEK_END" "SEEK_SET" "__F_DUPFD__" |
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117 "__F_GETFD__" "__F_GETFL__" "__F_SETFD__" "__F_SETFL__" "__I__" |
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118 "__Inf__" "__J__" "__NaN__" "__OCTAVE_VERSION__" "__O_APPEND__" |
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119 "__O_CREAT__" "__O_EXCL__" "__O_NONBLOCK__" "__O_RDONLY__" |
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120 "__O_RDWR__" "__O_TRUNC__" "__O_WRONLY__" "__PWD__" "__SEEK_CUR__" |
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121 "__SEEK_END__" "__SEEK_SET__" "__argv__" "__e__" "__eps__" |
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122 "__error_text__" "__i__" "__inf__" "__j__" "__nan__" "__pi__" |
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123 "__program_invocation_name__" "__program_name__" "__realmax__" |
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124 "__realmin__" "__stderr__" "__stdin__" "__stdout__" "ans" "argv" |
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125 "automatic_replot" "beep_on_error" "completion_append_char" |
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126 "default_return_value" "default_save_format" |
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127 "define_all_return_values" "do_fortran_indexing" "e" |
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128 "echo_executing_commands" "empty_list_elements_ok" "eps" |
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129 "error_text" "gnuplot_binary" "gnuplot_has_multiplot" "history_file" |
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130 "history_size" "ignore_function_time_stamp" "implicit_str_to_num_ok" |
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131 "inf" "nan" "nargin" "ok_to_lose_imaginary_part" |
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132 "output_max_field_width" "output_precision" |
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133 "page_output_immediately" "page_screen_output" "pi" |
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134 "prefer_column_vectors" "prefer_zero_one_indexing" |
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135 "print_answer_id_name" "print_empty_dimensions" |
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136 "program_invocation_name" "program_name" "propagate_empty_matrices" |
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137 "realmax" "realmin" "resize_on_range_error" |
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138 "return_last_computed_value" "save_precision" "saving_history" |
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139 "silent_functions" "split_long_rows" "stderr" "stdin" "stdout" |
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140 "string_fill_char" "struct_levels_to_print" |
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141 "suppress_verbose_help_message" "treat_neg_dim_as_zero" |
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142 "warn_assign_as_truth_value" "warn_comma_in_global_decl" |
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143 "warn_divide_by_zero" "warn_function_name_clash" |
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144 "warn_missing_semicolon" "whitespace_in_literal_matrix") |
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145 "Builtin variables in Octave.") |
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146 |
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147 (defvar octave-function-header-regexp |
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148 (concat "^\\s-*\\<\\(function\\)\\>" |
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149 "\\([^=;\n]*=[ \t]*\\|[ \t]*\\)\\(\\w+\\)\\>") |
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150 "Regexp to match an Octave function header. |
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151 The string `function' and its name are given by the first and third |
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152 parenthetical grouping.") |
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153 |
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154 (defvar octave-font-lock-keywords |
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155 (list |
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156 ;; Fontify all builtin keywords. |
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157 (cons (concat "\\<\\(" |
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158 (mapconcat 'identity octave-reserved-words "\\|") |
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159 (mapconcat 'identity octave-text-functions "\\|") |
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160 "\\)\\>") |
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161 'font-lock-keyword-face) |
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162 ;; Fontify all builtin operators. |
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163 (cons "\\(&\\||\\|<=\\|>=\\|==\\|<\\|>\\|!=\\|!\\)" |
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164 'font-lock-reference-face) |
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165 ;; Fontify all builtin variables. |
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166 (cons (concat "\\<\\(" |
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167 (mapconcat 'identity octave-variables "\\|") |
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168 "\\)\\>") |
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169 'font-lock-variable-name-face) |
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170 ;; Fontify all function declarations. |
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171 (list octave-function-header-regexp |
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172 '(1 font-lock-keyword-face) |
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173 '(3 font-lock-function-name-face nil t))) |
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174 "Additional Octave expressions to highlight.") |
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175 |
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176 (defvar inferior-octave-buffer "*Inferior Octave*" |
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177 "*Name of buffer for running an inferior Octave process.") |
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178 |
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179 (defvar inferior-octave-process nil) |
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180 |
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181 (defvar octave-mode-map nil |
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182 "Keymap used in Octave mode.") |
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183 (if octave-mode-map |
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184 () |
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185 (let ((map (make-sparse-keymap))) |
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186 (define-key map "`" 'octave-abbrev-start) |
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187 (define-key map ";" 'octave-electric-semi) |
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188 (define-key map " " 'octave-electric-space) |
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189 (define-key map "\n" 'octave-reindent-then-newline-and-indent) |
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190 (define-key map "\t" 'indent-according-to-mode) |
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191 (define-key map "\e;" 'octave-indent-for-comment) |
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192 (define-key map "\e\n" 'octave-indent-new-comment-line) |
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193 (define-key map "\e\t" 'octave-complete-symbol) |
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194 (define-key map "\M-\C-a" 'octave-beginning-of-defun) |
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195 (define-key map "\M-\C-e" 'octave-end-of-defun) |
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196 (define-key map "\M-\C-h" 'octave-mark-defun) |
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197 (define-key map "\M-\C-q" 'octave-indent-defun) |
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198 (define-key map "\C-c;" 'octave-comment-region) |
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199 (define-key map "\C-c:" 'octave-uncomment-region) |
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200 (define-key map "\C-c\C-b" 'octave-submit-bug-report) |
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201 (define-key map "\C-c\C-p" 'octave-previous-code-line) |
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202 (define-key map "\C-c\C-n" 'octave-next-code-line) |
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203 (define-key map "\C-c\C-a" 'octave-beginning-of-line) |
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204 (define-key map "\C-c\C-e" 'octave-end-of-line) |
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205 (define-key map "\C-c\M-\C-n" 'octave-forward-block) |
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206 (define-key map "\C-c\M-\C-p" 'octave-backward-block) |
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207 (define-key map "\C-c\M-\C-u" 'octave-backward-up-block) |
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208 (define-key map "\C-c\M-\C-d" 'octave-down-block) |
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209 (define-key map "\C-c\M-\C-h" 'octave-mark-block) |
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210 (define-key map "\C-c]" 'octave-close-block) |
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211 (define-key map "\C-cf" 'octave-insert-defun) |
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212 (define-key map "\C-c\C-h" 'octave-help) |
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213 (define-key map "\C-cil" 'octave-send-line) |
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214 (define-key map "\C-cib" 'octave-send-block) |
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215 (define-key map "\C-cif" 'octave-send-defun) |
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216 (define-key map "\C-cir" 'octave-send-region) |
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217 (define-key map "\C-cis" 'octave-show-process-buffer) |
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218 (define-key map "\C-cih" 'octave-hide-process-buffer) |
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219 (define-key map "\C-cik" 'octave-kill-process) |
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220 (setq octave-mode-map map))) |
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221 |
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222 (defvar octave-mode-menu |
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223 (list "Octave" |
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224 (list "Lines" |
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225 ["Previous Code Line" octave-previous-code-line t] |
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226 ["Next Code Line" octave-next-code-line t] |
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227 ["Begin of Continuation" octave-beginning-of-line t] |
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228 ["End of Continuation" octave-end-of-line t] |
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229 ["Split Line at Point" octave-indent-new-comment-line t]) |
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230 (list "Blocks" |
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231 ["Next Block" octave-forward-block t] |
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232 ["Previous Block" octave-backward-block t] |
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233 ["Down Block" octave-down-block t] |
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234 ["Up Block" octave-backward-up-block t] |
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235 ["Mark Block" octave-mark-block t] |
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236 ["Close Block" octave-close-block t]) |
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237 (list "Functions" |
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238 ["Begin of Function" octave-beginning-of-defun t] |
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239 ["End of Function" octave-end-of-defun t] |
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240 ["Mark Function" octave-mark-defun t] |
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241 ["Indent Function" octave-indent-defun t] |
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242 ["Insert Function" octave-insert-defun t]) |
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243 "-" |
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244 (list "Debug" |
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245 ["Send Current Line" octave-send-line t] |
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246 ["Send Current Block" octave-send-block t] |
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247 ["Send Current Function" octave-send-defun t] |
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248 ["Send Region" octave-send-region t] |
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249 ["Show Process Buffer" octave-show-process-buffer t] |
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250 ["Hide Process Buffer" octave-hide-process-buffer t] |
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251 ["Kill Process" octave-kill-process t]) |
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252 "-" |
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253 ["Indent Line" indent-according-to-mode t] |
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254 ["Complete Symbol" octave-complete-symbol t] |
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255 "-" |
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256 ["Toggle Abbrev Mode" abbrev-mode t] |
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257 ["Toggle Auto-Fill Mode" auto-fill-mode t] |
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258 "-" |
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259 ["Submit Bug Report" octave-submit-bug-report t] |
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260 "-" |
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261 ["Describe Octave Mode" octave-describe-major-mode t] |
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262 ["Lookup Octave Index" octave-help t]) |
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263 "Menu for Octave mode.") |
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264 |
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265 (defvar octave-mode-syntax-table nil |
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266 "Syntax table in use in octave-mode buffers.") |
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267 (if octave-mode-syntax-table |
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268 () |
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269 (let ((table (make-syntax-table))) |
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270 (modify-syntax-entry ?\r " " table) |
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271 (modify-syntax-entry ?+ "." table) |
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272 (modify-syntax-entry ?- "." table) |
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273 (modify-syntax-entry ?= "." table) |
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274 (modify-syntax-entry ?* "." table) |
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275 (modify-syntax-entry ?/ "." table) |
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276 (modify-syntax-entry ?> "." table) |
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277 (modify-syntax-entry ?< "." table) |
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278 (modify-syntax-entry ?& "." table) |
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279 (modify-syntax-entry ?| "." table) |
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280 (modify-syntax-entry ?! "." table) |
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281 (modify-syntax-entry ?\\ "\\" table) |
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282 (modify-syntax-entry ?\' "." table) |
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283 (modify-syntax-entry ?\` "w" table) |
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284 (modify-syntax-entry ?\" "\"" table) |
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285 (modify-syntax-entry ?. "w" table) |
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286 (modify-syntax-entry ?_ "w" table) |
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287 (modify-syntax-entry ?\% "." table) |
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288 (modify-syntax-entry ?\# "<" table) |
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289 (modify-syntax-entry ?\n ">" table) |
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290 (setq octave-mode-syntax-table table))) |
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291 |
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292 (defvar octave-auto-newline nil |
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293 "*Non-nil means automatically newline after a semicolon in Octave mode.") |
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294 |
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295 (defvar octave-blink-matching-block t |
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296 "*Control the blinking of matching Octave block keywords. |
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297 Non-nil means show matching begin of block when inserting a space, |
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298 newline or semicolon after an else or end keyword.") |
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299 (defvar octave-block-offset 2 |
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300 "*Extra indentation applied to statements in Octave block structures.") |
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301 |
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302 (defvar octave-block-begin-regexp |
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303 (concat "\\<\\(" |
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304 (mapconcat 'identity octave-begin-keywords "\\|") |
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305 "\\)\\>")) |
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306 (defvar octave-block-else-regexp |
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307 (concat "\\<\\(" |
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308 (mapconcat 'identity octave-else-keywords "\\|") |
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309 "\\)\\>")) |
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310 (defvar octave-block-end-regexp |
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311 (concat "\\<\\(" |
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312 (mapconcat 'identity octave-end-keywords "\\|") |
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313 "\\)\\>")) |
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314 (defvar octave-block-begin-or-end-regexp |
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315 (concat octave-block-begin-regexp "\\|" octave-block-end-regexp)) |
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316 (defvar octave-block-else-or-end-regexp |
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317 (concat octave-block-else-regexp "\\|" octave-block-end-regexp)) |
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318 (defvar octave-block-match-alist |
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319 '(("for" . ("end" "endfor")) |
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320 ("function" . ("end" "endfunction")) |
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321 ("if" . ("else" "elseif" "end" "endif")) |
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322 ("try" . ("catch" "end" "end_try_catch")) |
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323 ("unwind_protect" . ("unwind_protect_cleanup" "end" |
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324 "end_unwind_protect")) |
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325 ("while" . ("end" "endwhile"))) |
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326 "Alist with Octave's matching block keywords. |
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327 Has Octave's begin keywords as keys and a list of the matching else or |
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328 end keywords as associated values.") |
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329 |
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330 (defvar octave-block-comment-start |
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331 (concat (make-string 2 octave-comment-char) " ") |
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332 "String to insert to start a new Octave comment on an empty line.") |
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333 |
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334 (defvar octave-continuation-offset 4 |
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335 "*Extra indentation applied to Octave continuation lines.") |
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336 (defvar octave-continuation-regexp |
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337 "[^#%\n]*\\(\\\\\\|\\.\\.\\.\\)\\s-*\\(\\s<.*\\)?$") |
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338 (defvar octave-continuation-string "\\" |
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339 "*Character string used for Octave continuation lines. Normally \\.") |
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340 |
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341 (defvar octave-completion-alist nil |
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342 "Alist of Octave symbols for completion in Octave mode. |
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343 Each element looks like (VAR . VAR), where the car and cdr are the same |
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344 symbol (an Octave command or variable name). |
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345 Currently, only builtin variables can be completed.") |
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346 |
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347 (defvar octave-mode-imenu-generic-expression |
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348 (list |
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349 ;; Functions |
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350 (list nil octave-function-header-regexp 3)) |
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351 "Imenu expression for Octave mode. See `imenu-generic-expression'.") |
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352 |
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353 (defvar octave-mode-startup-message t |
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354 "*Nil means do not display the Octave mode startup message.") |
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355 |
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356 (defvar octave-mode-hook nil |
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357 "*Hook to be run when Octave mode is started.") |
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358 |
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359 (defvar octave-send-show-buffer t |
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360 "*Non-nil means display `inferior-octave-buffer' after sending to it.") |
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361 (defvar octave-send-line-auto-forward t |
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362 "*Control auto-forward after sending to the inferior Octave process. |
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363 Non-nil means always go to the next Octave code line after sending.") |
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364 (defvar octave-send-echo-input t |
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365 "*Non-nil means echo input sent to the inferior Octave process.") |
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366 |
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367 |
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368 ;;;###autoload |
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369 (defun octave-mode () |
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370 "Major mode for editing Octave code. |
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371 |
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372 This mode makes it easier to write Octave code by helping with |
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373 indentation, doing some of the typing for you (with Abbrev mode) and by |
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374 showing keywords, comments, strings, etc. in different faces (with |
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375 Font Lock mode on terminals that support it). |
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376 |
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377 Octave itself is a high-level language, primarily intended for numerical |
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378 computations. It provides a convenient command line interface for |
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379 solving linear and nonlinear problems numerically. Function definitions |
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380 can also be stored in files, and it can be used in a batch mode (which |
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381 is why you need this mode!). |
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382 |
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383 The latest released version of Octave is always available via anonymous |
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384 ftp from bevo.che.wisc.edu in the directory `/pub/octave'. Complete |
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385 source and binaries for several popular systems are available. |
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386 |
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387 Type \\[list-abbrevs] to display the built-in abbrevs for Octave keywords. |
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388 |
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389 Keybindings |
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390 =========== |
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391 |
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392 \\{octave-mode-map} |
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393 |
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394 Variables you can use to customize Octave mode |
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395 ============================================== |
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396 |
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397 octave-auto-newline |
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398 Non-nil means auto-insert a newline and indent after a semicolon. |
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399 Default is nil. |
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400 |
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401 octave-blink-matching-block |
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402 Non-nil means show matching begin of block when inserting a space, |
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|
403 newline or semicolon after an else or end keyword. Default is t. |
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404 |
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405 octave-block-offset |
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406 Extra indentation applied to statements in block structures. |
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407 Default is 2. |
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408 |
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409 octave-continuation-offset |
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410 Extra indentation applied to Octave continuation lines. |
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411 Default is 4. |
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412 |
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413 octave-continuation-string |
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|
414 String used for Octave continuation lines. |
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|
415 Default is a backslash. |
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416 |
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417 octave-mode-startup-message |
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418 Nil means do not display the Octave mode startup message. |
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419 Default is t. |
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420 |
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421 octave-send-echo-input |
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422 Non-nil means always display `inferior-octave-buffer' after sending a |
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|
423 command to the inferior Octave process. |
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424 |
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425 octave-send-line-auto-forward |
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426 Non-nil means always go to the next unsent line of Octave code after |
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|
427 sending a line to the inferior Octave process. |
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428 |
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429 octave-send-echo-input |
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430 Non-nil means echo input sent to the inferior Octave process. |
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431 |
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|
432 Turning on Octave mode runs the hook `octave-mode-hook'. |
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433 |
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|
434 To begin using this mode for all `.m' files that you edit, add the |
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435 following lines to your `.emacs' file: |
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436 |
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|
437 (autoload 'octave-mode \"octave-mod\" nil t) |
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|
438 (setq auto-mode-alist |
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|
439 (cons '(\"\\\\.m$\" . octave-mode) auto-mode-alist)) |
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440 |
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|
441 To automatically turn on the abbrev, auto-fill and font-lock features, |
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|
442 add the following lines to your `.emacs' file as well: |
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443 |
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|
444 (add-hook 'octave-mode-hook |
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|
445 (lambda () |
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|
446 (abbrev-mode 1) |
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|
447 (auto-fill-mode 1) |
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|
448 (if (eq window-system 'x) |
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|
449 (font-lock-mode 1)))) |
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450 |
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|
451 To submit a problem report, enter \\[octave-submit-bug-report] from \ |
|
|
452 an Octave mode buffer. |
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|
453 This automatically sets up a mail buffer with version information |
|
|
454 already added. You just need to add a description of the problem, |
|
|
455 including a reproducible test case and send the message." |
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|
456 (interactive) |
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|
457 (kill-all-local-variables) |
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|
458 |
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|
459 (use-local-map octave-mode-map) |
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|
460 (setq major-mode 'octave-mode) |
|
|
461 (setq mode-name "Octave") |
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|
462 (setq local-abbrev-table octave-abbrev-table) |
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|
463 (set-syntax-table octave-mode-syntax-table) |
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|
464 |
|
|
465 (make-local-variable 'indent-line-function) |
|
|
466 (setq indent-line-function 'octave-indent-line) |
|
|
467 |
|
|
468 (make-local-variable 'comment-start) |
|
|
469 (setq comment-start octave-comment-start) |
|
|
470 (make-local-variable 'comment-end) |
|
|
471 (setq comment-end "") |
|
|
472 (make-local-variable 'comment-column) |
|
|
473 (setq comment-column 32) |
|
|
474 (make-local-variable 'comment-start-skip) |
|
|
475 (setq comment-start-skip "\\s<+\\s-*") |
|
|
476 (make-local-variable 'comment-indent-function) |
|
|
477 (setq comment-indent-function 'octave-comment-indent) |
|
|
478 |
|
|
479 (make-local-variable 'parse-sexp-ignore-comments) |
|
|
480 (setq parse-sexp-ignore-comments t) |
|
|
481 (make-local-variable 'paragraph-start) |
|
|
482 (setq paragraph-start (concat "\\s-*$\\|" page-delimiter)) |
|
|
483 (make-local-variable 'paragraph-separate) |
|
|
484 (setq paragraph-separate paragraph-start) |
|
|
485 (make-local-variable 'paragraph-ignore-fill-prefix) |
|
|
486 (setq paragraph-ignore-fill-prefix t) |
|
|
487 (make-local-variable 'fill-paragraph-function) |
|
|
488 (setq fill-paragraph-function 'octave-fill-paragraph) |
|
|
489 (make-local-variable 'adaptive-fill-regexp) |
|
|
490 (setq adaptive-fill-regexp nil) |
|
|
491 (make-local-variable 'fill-column) |
|
|
492 (setq fill-column 72) |
|
|
493 (make-local-variable 'normal-auto-fill-function) |
|
|
494 (setq normal-auto-fill-function 'octave-auto-fill) |
|
|
495 |
|
|
496 (make-local-variable 'font-lock-defaults) |
|
|
497 (setq font-lock-defaults '(octave-font-lock-keywords nil nil)) |
|
|
498 |
|
|
499 (make-local-variable 'imenu-generic-expression) |
|
|
500 (setq imenu-generic-expression octave-mode-imenu-generic-expression) |
|
|
501 |
|
|
502 (octave-add-octave-menu) |
|
|
503 (octave-initialize-completions) |
|
|
504 (run-hooks 'octave-mode-hook)) |
|
|
505 |
|
|
506 ;;; Miscellaneous useful functions |
|
|
507 (defun octave-describe-major-mode () |
|
|
508 "Describe the current major mode." |
|
|
509 (interactive) |
|
|
510 (describe-function major-mode)) |
|
|
511 |
|
|
512 (defun octave-point (position) |
|
|
513 "Returns the value of point at certain positions." |
|
|
514 (save-excursion |
|
|
515 (cond |
|
|
516 ((eq position 'bol) (beginning-of-line)) |
|
|
517 ((eq position 'eol) (end-of-line)) |
|
|
518 ((eq position 'boi) (back-to-indentation)) |
|
|
519 ((eq position 'bonl) (forward-line 1)) |
|
|
520 ((eq position 'bopl) (forward-line -1)) |
|
|
521 (t (error "unknown buffer position requested: %s" position))) |
|
|
522 (point))) |
|
|
523 |
|
|
524 (defsubst octave-in-comment-p () |
|
|
525 "Returns t if point is inside an Octave comment, nil otherwise." |
|
|
526 (interactive) |
|
|
527 (save-excursion |
|
|
528 (nth 4 (parse-partial-sexp (octave-point 'bol) (point))))) |
|
|
529 |
|
|
530 (defsubst octave-in-string-p () |
|
|
531 "Returns t if point is inside an Octave string, nil otherwise." |
|
|
532 (interactive) |
|
|
533 (save-excursion |
|
|
534 (nth 3 (parse-partial-sexp (octave-point 'bol) (point))))) |
|
|
535 |
|
|
536 (defsubst octave-not-in-string-or-comment-p () |
|
|
537 "Returns t iff point is not inside an Octave string or comment." |
|
|
538 (let ((pps (parse-partial-sexp (octave-point 'bol) (point)))) |
|
|
539 (not (or (nth 3 pps) (nth 4 pps))))) |
|
|
540 |
|
|
541 (defun octave-in-block-p () |
|
|
542 "Returns t if point is inside an Octave block, nil otherwise. |
|
|
543 The block is taken to start at the first letter of the begin keyword and |
|
|
544 to end after the end keyword." |
|
|
545 (let ((pos (point))) |
|
|
546 (save-excursion |
|
|
547 (condition-case nil |
|
|
548 (progn |
|
|
549 (skip-syntax-forward "w") |
|
|
550 (octave-up-block -1) |
|
|
551 (octave-forward-block) |
|
|
552 t) |
|
|
553 (error nil)) |
|
|
554 (< pos (point))))) |
|
|
555 |
|
|
556 (defun octave-in-defun-p () |
|
|
557 "Returns t iff point is inside an Octave function declaration. |
|
|
558 The function is taken to start at the `f' of `function' and to end after |
|
|
559 the end keyword." |
|
|
560 (let ((pos (point))) |
|
|
561 (save-excursion |
|
|
562 (or (and (looking-at "\\<function\\>") |
|
|
563 (octave-not-in-string-or-comment-p)) |
|
|
564 (and (octave-beginning-of-defun) |
|
|
565 (condition-case nil |
|
|
566 (progn |
|
|
567 (octave-forward-block) |
|
|
568 t) |
|
|
569 (error nil)) |
|
|
570 (< pos (point))))))) |
|
|
571 |
|
|
572 ;;; Comments |
|
|
573 (defun octave-comment-region (beg end &optional arg) |
|
|
574 "Comment or uncomment each line in the region as Octave code. |
|
|
575 See `comment-region'." |
|
|
576 (interactive "r\nP") |
|
|
577 (let ((comment-start (char-to-string octave-comment-char))) |
|
|
578 (comment-region beg end arg))) |
|
|
579 |
|
|
580 (defun octave-uncomment-region (beg end &optional arg) |
|
|
581 "Uncomment each line in the region as Octave code." |
|
|
582 (interactive "r\nP") |
|
|
583 (or arg (setq arg 1)) |
|
|
584 (octave-comment-region beg end (- arg))) |
|
|
585 |
|
|
586 |
|
|
587 ;;; Indentation |
|
|
588 (defun calculate-octave-indent () |
|
|
589 "Return appropriate indentation for current line as Octave code. |
|
|
590 Returns an integer (the column to indent to) unless the line is a |
|
|
591 comment line with fixed goal golumn. In that case, returns a list whose |
|
|
592 car is the column to indent to, and whose cdr is the current indentation |
|
|
593 level." |
|
|
594 (let ((is-continuation-line |
|
|
595 (save-excursion |
|
|
596 (if (zerop (octave-previous-code-line)) |
|
|
597 (looking-at octave-continuation-regexp)))) |
|
|
598 (icol 0)) |
|
|
599 (save-excursion |
|
|
600 (beginning-of-line) |
|
|
601 ;; If we can move backward out one level of parentheses, take 1 |
|
|
602 ;; plus the indentation of that parenthesis. Otherwise, go back |
|
|
603 ;; to the beginning of the previous code line, and compute the |
|
|
604 ;; offset this line gives. |
|
|
605 (if (condition-case nil |
|
|
606 (progn |
|
|
607 (up-list -1) |
|
|
608 t) |
|
|
609 (error nil)) |
|
|
610 (setq icol (+ 1 (current-column))) |
|
|
611 (if (zerop (octave-previous-code-line)) |
|
|
612 (progn |
|
|
613 (octave-beginning-of-line) |
|
|
614 (back-to-indentation) |
|
|
615 (setq icol (current-column)) |
|
|
616 (let ((bot (point)) |
|
|
617 (eol (octave-point 'eol))) |
|
|
618 (while (< (point) eol) |
|
|
619 (if (octave-not-in-string-or-comment-p) |
|
|
620 (cond |
|
|
621 ((looking-at octave-block-begin-regexp) |
|
|
622 (setq icol (+ icol octave-block-offset))) |
|
|
623 ((looking-at octave-block-else-regexp) |
|
|
624 (if (= bot (point)) |
|
|
625 (setq icol (+ icol octave-block-offset)))) |
|
|
626 ((looking-at octave-block-end-regexp) |
|
|
627 (if (not (= bot (point))) |
|
|
628 (setq icol (- icol octave-block-offset)))))) |
|
|
629 (forward-char))) |
|
|
630 (if is-continuation-line |
|
|
631 (setq icol (+ icol octave-continuation-offset))))))) |
|
|
632 (save-excursion |
|
|
633 (back-to-indentation) |
|
|
634 (cond |
|
|
635 ((and (or (looking-at octave-block-else-regexp) |
|
|
636 (looking-at octave-block-end-regexp)) |
|
|
637 (octave-not-in-string-or-comment-p)) |
|
|
638 (setq icol (- icol octave-block-offset))) |
|
|
639 ((looking-at "\\s<\\s<\\s<\\S<") |
|
|
640 (setq icol (list 0 icol))) |
|
|
641 ((looking-at "\\s<\\S<") |
|
|
642 (setq icol (list comment-column icol))))) |
|
|
643 icol)) |
|
|
644 |
|
|
645 (defun octave-comment-indent () |
|
|
646 (if (looking-at "\\s<\\s<\\s<") |
|
|
647 0 |
|
|
648 (if (looking-at "\\s<\\s<") |
|
|
649 (calculate-octave-indent) |
|
|
650 (skip-syntax-backward " ") |
|
|
651 (max (if (bolp) 0 (+ (current-column))) |
|
|
652 comment-column)))) |
|
|
653 |
|
|
654 (defun octave-indent-for-comment () |
|
|
655 "Maybe insert and indent an Octave comment. |
|
|
656 If there is no comment already on this line, create a code-level comment |
|
|
657 (started by two comment characters) if the line is empty, or an in-line |
|
|
658 comment (started by one comment character) otherwise. |
|
|
659 Point is left after the start of the comment which is properly aligned." |
|
|
660 (interactive) |
|
|
661 (indent-for-comment) |
|
|
662 (indent-according-to-mode)) |
|
|
663 |
|
|
664 (defun octave-indent-line (&optional arg) |
|
|
665 "Indent current line as Octave code. |
|
|
666 With optional ARG, use this as offset unless this line is a comment with |
|
|
667 fixed goal column." |
|
|
668 (interactive) |
|
|
669 (or arg (setq arg 0)) |
|
|
670 (let ((icol (calculate-octave-indent)) |
|
|
671 (relpos (- (current-column) (current-indentation)))) |
|
|
672 (if (listp icol) |
|
|
673 (setq icol (car icol)) |
|
|
674 (setq icol (+ icol arg))) |
|
|
675 (if (< icol 0) |
|
|
676 (error "Unmatched end keyword") |
|
|
677 (indent-line-to icol) |
|
|
678 (if (> relpos 0) |
|
|
679 (move-to-column (+ icol relpos)))))) |
|
|
680 |
|
|
681 (defun octave-indent-new-comment-line () |
|
|
682 "Break Octave line at point, continuing comment if within one. |
|
|
683 If within code, insert `octave-continuation-string' before breaking the |
|
|
684 line. If within a string, signal an error. |
|
|
685 The new line is properly indented." |
|
|
686 (interactive) |
|
|
687 (delete-horizontal-space) |
|
|
688 (cond |
|
|
689 ((octave-in-comment-p) |
|
|
690 (indent-new-comment-line)) |
|
|
691 ((octave-in-string-p) |
|
|
692 (error "Cannot split a code line inside a string")) |
|
|
693 (t |
|
|
694 (insert (concat " " octave-continuation-string)) |
|
|
695 (octave-reindent-then-newline-and-indent)))) |
|
|
696 |
|
|
697 (defun octave-indent-defun () |
|
|
698 "Properly indents the Octave function which contains point." |
|
|
699 (interactive) |
|
|
700 (save-excursion |
|
|
701 (octave-mark-defun) |
|
|
702 (message "Indenting function...") |
|
|
703 (indent-region (point) (mark) nil)) |
|
|
704 (message "Indenting function...done.")) |
|
|
705 |
|
|
706 |
|
|
707 ;;; Motion |
|
|
708 (defun octave-next-code-line (&optional arg) |
|
|
709 "Move ARG lines of Octave code forward (backward if ARG is negative). |
|
|
710 Skips past all empty and comment lines. Default for ARG is 1. |
|
|
711 |
|
|
712 On success, return 0. Otherwise, go as far as possible and return -1." |
|
|
713 (interactive "p") |
|
|
714 (or arg (setq arg 1)) |
|
|
715 (beginning-of-line) |
|
|
716 (let ((n 0) |
|
|
717 (inc (if (> arg 0) 1 -1))) |
|
|
718 (while (and (/= arg 0) (= n 0)) |
|
|
719 (setq n (forward-line inc)) |
|
|
720 (while (and (= n 0) |
|
|
721 (looking-at "\\s-*\\($\\|\\s<\\)")) |
|
|
722 (setq n (forward-line inc))) |
|
|
723 (setq arg (- arg inc))) |
|
|
724 n)) |
|
|
725 |
|
|
726 (defun octave-previous-code-line (&optional arg) |
|
|
727 "Move ARG lines of Octave code backward (forward if ARG is negative). |
|
|
728 Skips past all empty and comment lines. Default for ARG is 1. |
|
|
729 |
|
|
730 On success, return 0. Otherwise, go as far as possible and return -1." |
|
|
731 (interactive "p") |
|
|
732 (or arg (setq arg 1)) |
|
|
733 (octave-next-code-line (- arg))) |
|
|
734 |
|
|
735 (defun octave-beginning-of-line () |
|
|
736 "Move point to beginning of current Octave line. |
|
|
737 If on an empty or comment line, go to the beginning of that line. |
|
|
738 Otherwise, move backward to the beginning of the first Octave code line |
|
|
739 which is not inside a continuation statement, i.e., which does not |
|
|
740 follow a code line ending in `...' or `\\', or is inside an open |
|
|
741 parenthesis list." |
|
|
742 (interactive) |
|
|
743 (beginning-of-line) |
|
|
744 (if (not (looking-at "\\s-*\\($\\|\\s<\\)")) |
|
|
745 (while (or (condition-case nil |
|
|
746 (progn |
|
|
747 (up-list -1) |
|
|
748 (beginning-of-line) |
|
|
749 t) |
|
|
750 (error nil)) |
|
|
751 (and (or (looking-at "\\s-*\\($\\|\\s<\\)") |
|
|
752 (save-excursion |
|
|
753 (if (zerop (octave-previous-code-line)) |
|
|
754 (looking-at octave-continuation-regexp)))) |
|
|
755 (zerop (forward-line -1))))))) |
|
|
756 |
|
|
757 (defun octave-end-of-line () |
|
|
758 "Move point to end of current Octave line. |
|
|
759 If on an empty or comment line, go to the end of that line. |
|
|
760 Otherwise, move forward to the end of the first Octave code line which |
|
|
761 does not end in `...' or `\\' or is inside an open parenthesis list." |
|
|
762 (interactive) |
|
|
763 (end-of-line) |
|
|
764 (if (save-excursion |
|
|
765 (beginning-of-line) |
|
|
766 (looking-at "\\s-*\\($\\|\\s<\\)")) |
|
|
767 () |
|
|
768 (while (or (condition-case nil |
|
|
769 (progn |
|
|
770 (up-list 1) |
|
|
771 (end-of-line) |
|
|
772 t) |
|
|
773 (error nil)) |
|
|
774 (and (save-excursion |
|
|
775 (beginning-of-line) |
|
|
776 (or (looking-at "\\s-*\\($\\|\\s<\\)") |
|
|
777 (looking-at octave-continuation-regexp))) |
|
|
778 (zerop (forward-line 1))))) |
|
|
779 (end-of-line))) |
|
|
780 |
|
|
781 (defun octave-scan-blocks (from count depth) |
|
|
782 "Scan from character number FROM by COUNT Octave begin-end blocks. |
|
|
783 Returns the character number of the position thus found. |
|
|
784 |
|
|
785 If DEPTH is nonzero, block depth begins counting from that value. |
|
|
786 Only places where the depth in blocks becomes zero are candidates for |
|
|
787 stopping; COUNT such places are counted. |
|
|
788 |
|
|
789 If the beginning or end of the buffer is reached and the depth is wrong, |
|
|
790 an error is signaled." |
|
|
791 (let ((min-depth (if (> depth 0) 0 depth)) |
|
|
792 (inc (if (> count 0) 1 -1))) |
|
|
793 (save-excursion |
|
|
794 (while (/= count 0) |
|
|
795 (catch 'foo |
|
|
796 (while (or (re-search-forward |
|
|
797 octave-block-begin-or-end-regexp nil 'move inc) |
|
|
798 (if (/= depth 0) |
|
|
799 (error "Unbalanced block"))) |
|
|
800 (if (octave-not-in-string-or-comment-p) |
|
|
801 (progn |
|
|
802 (cond |
|
|
803 ((match-end 1) |
|
|
804 (setq depth (+ depth inc))) |
|
|
805 ((match-end 2) |
|
|
806 (setq depth (- depth inc)))) |
|
|
807 (if (< depth min-depth) |
|
|
808 (error "Containing expression ends prematurely")) |
|
|
809 (if (= depth 0) |
|
|
810 (throw 'foo nil)))))) |
|
|
811 (setq count (- count inc))) |
|
|
812 (point)))) |
|
|
813 |
|
|
814 (defun octave-forward-block (&optional arg) |
|
|
815 "Move forward across one balanced Octave begin-end block. |
|
|
816 With argument, do it that many times. |
|
|
817 Negative arg -N means move backward across N blocks." |
|
|
818 (interactive "p") |
|
|
819 (or arg (setq arg 1)) |
|
|
820 (goto-char (or (octave-scan-blocks (point) arg 0) (buffer-end arg)))) |
|
|
821 |
|
|
822 (defun octave-backward-block (&optional arg) |
|
|
823 "Move backward across one balanced Octave begin-end block. |
|
|
824 With argument, do it that many times. |
|
|
825 Negative arg -N means move forward across N blocks." |
|
|
826 (interactive "p") |
|
|
827 (or arg (setq arg 1)) |
|
|
828 (octave-forward-block (- arg))) |
|
|
829 |
|
|
830 (defun octave-down-block (arg) |
|
|
831 "Move forward down one begin-end block level of Octave code. |
|
|
832 With argument, do this that many times. |
|
|
833 A negative argument means move backward but still go down a level. |
|
|
834 In Lisp programs, an argument is required." |
|
|
835 (interactive "p") |
|
|
836 (let ((inc (if (> arg 0) 1 -1))) |
|
|
837 (while (/= arg 0) |
|
|
838 (goto-char (or (octave-scan-blocks (point) inc -1) |
|
|
839 (buffer-end arg))) |
|
|
840 (setq arg (- arg inc))))) |
|
|
841 |
|
|
842 (defun octave-backward-up-block (arg) |
|
|
843 "Move backward out of one begin-end block level of Octave code. |
|
|
844 With argument, do this that many times. |
|
|
845 A negative argument means move forward but still to a less deep spot. |
|
|
846 In Lisp programs, an argument is required." |
|
|
847 (interactive "p") |
|
|
848 (octave-up-block (- arg))) |
|
|
849 |
|
|
850 (defun octave-up-block (arg) |
|
|
851 "Move forward out of one begin-end block level of Octave code. |
|
|
852 With argument, do this that many times. |
|
|
853 A negative argument means move backward but still to a less deep spot. |
|
|
854 In Lisp programs, an argument is required." |
|
|
855 (interactive "p") |
|
|
856 (let ((inc (if (> arg 0) 1 -1))) |
|
|
857 (while (/= arg 0) |
|
|
858 (goto-char (or (octave-scan-blocks (point) inc 1) |
|
|
859 (buffer-end arg))) |
|
|
860 (setq arg (- arg inc))))) |
|
|
861 |
|
|
862 (defun octave-mark-block () |
|
|
863 "Put point at the beginning of this Octave block, mark at the end. |
|
|
864 The block marked is the one that contains point or follows point." |
|
|
865 (interactive) |
|
|
866 (let ((pos (point))) |
|
|
867 (if (or (and (octave-in-block-p) |
|
|
868 (skip-syntax-forward "w")) |
|
|
869 (condition-case nil |
|
|
870 (progn |
|
|
871 (octave-down-block 1) |
|
|
872 (octave-in-block-p)) |
|
|
873 (error nil))) |
|
|
874 (progn |
|
|
875 (octave-up-block -1) |
|
|
876 (push-mark (point)) |
|
|
877 (octave-forward-block) |
|
|
878 (exchange-point-and-mark)) |
|
|
879 (goto-char pos) |
|
|
880 (message "No block to mark found")))) |
|
|
881 |
|
|
882 (defun octave-close-block () |
|
|
883 "Close the current Octave block on a separate line. |
|
|
884 An error is signaled if no block to close is found." |
|
|
885 (interactive) |
|
|
886 (let (bb-keyword) |
|
|
887 (condition-case nil |
|
|
888 (progn |
|
|
889 (save-excursion |
|
|
890 (octave-backward-up-block 1) |
|
|
891 (setq bb-keyword (buffer-substring-no-properties |
|
|
892 (match-beginning 1) (match-end 1)))) |
|
|
893 (if (save-excursion |
|
|
894 (beginning-of-line) |
|
|
895 (looking-at "^\\s-*$")) |
|
|
896 (indent-according-to-mode) |
|
|
897 (octave-reindent-then-newline-and-indent)) |
|
|
898 (insert (car (reverse |
|
|
899 (assoc bb-keyword |
|
|
900 octave-block-match-alist)))) |
|
|
901 (octave-reindent-then-newline-and-indent) |
|
|
902 t) |
|
|
903 (error (message "No block to close found"))))) |
|
|
904 |
|
|
905 (defun octave-blink-matching-block-open () |
|
|
906 "Blink the matching Octave begin block keyword. |
|
|
907 If point is right after an Octave else or end type block keyword, move |
|
|
908 cursor momentarily to the corresponding begin keyword. |
|
|
909 Signal an error if the keywords are incompatible." |
|
|
910 (interactive) |
|
|
911 (let (bb-keyword bb-arg eb-keyword pos eol) |
|
|
912 (if (and (octave-not-in-string-or-comment-p) |
|
|
913 (looking-at "\\>") |
|
|
914 (save-excursion |
|
|
915 (skip-syntax-backward "w") |
|
|
916 (looking-at octave-block-else-or-end-regexp))) |
|
|
917 (save-excursion |
|
|
918 (cond |
|
|
919 ((match-end 1) |
|
|
920 (setq eb-keyword |
|
|
921 (buffer-substring-no-properties |
|
|
922 (match-beginning 1) (match-end 1))) |
|
|
923 (octave-backward-up-block 1)) |
|
|
924 ((match-end 2) |
|
|
925 (setq eb-keyword |
|
|
926 (buffer-substring-no-properties |
|
|
927 (match-beginning 2) (match-end 2))) |
|
|
928 (octave-backward-block))) |
|
|
929 (setq pos (match-end 0) |
|
|
930 bb-keyword |
|
|
931 (buffer-substring-no-properties |
|
|
932 (match-beginning 0) pos) |
|
|
933 pos (+ pos 1) |
|
|
934 eol (octave-point 'eol) |
|
|
935 bb-arg |
|
|
936 (save-excursion |
|
|
937 (save-restriction |
|
|
938 (goto-char pos) |
|
|
939 (while (and (skip-syntax-forward "^<" eol) |
|
|
940 (octave-in-string-p) |
|
|
941 (not (forward-char 1)))) |
|
|
942 (skip-syntax-backward " ") |
|
|
943 (buffer-substring-no-properties pos (point))))) |
|
|
944 (if (member eb-keyword |
|
|
945 (cdr (assoc bb-keyword octave-block-match-alist))) |
|
|
946 (progn |
|
|
947 (message "Matches `%s %s'" bb-keyword bb-arg) |
|
|
948 (if (pos-visible-in-window-p) |
|
|
949 (sit-for blink-matching-delay))) |
|
|
950 (error "Block keywords `%s' and `%s' do not match" |
|
|
951 bb-keyword eb-keyword)))))) |
|
|
952 |
|
|
953 (defun octave-beginning-of-defun (&optional arg) |
|
|
954 "Move backward to the beginning of an Octave function. |
|
|
955 With positive ARG, do it that many times. Negative argument -N means |
|
|
956 move forward to Nth following beginning of a function. |
|
|
957 Returns t unless search stops at the beginning or end of the buffer." |
|
|
958 (interactive "p") |
|
|
959 (let* ((arg (or arg 1)) |
|
|
960 (inc (if (> arg 0) 1 -1)) |
|
|
961 (found)) |
|
|
962 (and (not (eobp)) |
|
|
963 (not (and (> arg 0) (looking-at "\\<function\\>"))) |
|
|
964 (skip-syntax-forward "w")) |
|
|
965 (while (and (/= arg 0) |
|
|
966 (setq found |
|
|
967 (re-search-backward "\\<function\\>" nil 'move inc))) |
|
|
968 (if (octave-not-in-string-or-comment-p) |
|
|
969 (setq arg (- arg inc)))) |
|
|
970 (if found |
|
|
971 (progn |
|
|
972 (and (< inc 0) (goto-char (match-beginning 0))) |
|
|
973 t)))) |
|
|
974 |
|
|
975 (defun octave-end-of-defun (&optional arg) |
|
|
976 "Move forward to the end of an Octave function. |
|
|
977 With positive ARG, do it that many times. Negative argument -N means |
|
|
978 move back to Nth preceding end of a function. |
|
|
979 |
|
|
980 An end of a function occurs right after the end keyword matching the |
|
|
981 `function' keyword that starts the function." |
|
|
982 (interactive "p") |
|
|
983 (or arg (setq arg 1)) |
|
|
984 (and (< arg 0) (skip-syntax-backward "w")) |
|
|
985 (and (> arg 0) (skip-syntax-forward "w")) |
|
|
986 (if (octave-in-defun-p) |
|
|
987 (setq arg (- arg 1))) |
|
|
988 (if (= arg 0) (setq arg -1)) |
|
|
989 (if (octave-beginning-of-defun (- arg)) |
|
|
990 (octave-forward-block))) |
|
|
991 |
|
|
992 (defun octave-mark-defun () |
|
|
993 "Put point at the beginning of this Octave function, mark at its end. |
|
|
994 The function marked is the one containing point or following point." |
|
|
995 (interactive) |
|
|
996 (let ((pos (point))) |
|
|
997 (if (or (octave-in-defun-p) |
|
|
998 (and (octave-beginning-of-defun -1) |
|
|
999 (octave-in-defun-p))) |
|
|
1000 (progn |
|
|
1001 (skip-syntax-forward "w") |
|
|
1002 (octave-beginning-of-defun) |
|
|
1003 (push-mark (point)) |
|
|
1004 (octave-end-of-defun) |
|
|
1005 (exchange-point-and-mark)) |
|
|
1006 (goto-char pos) |
|
|
1007 (message "No function to mark found")))) |
|
|
1008 |
|
|
1009 |
|
|
1010 ;;; Filling |
|
|
1011 (defun octave-auto-fill () |
|
|
1012 "Perform auto-fill in Octave mode." |
|
|
1013 (if (> (current-column) (current-fill-column)) |
|
|
1014 (if (octave-in-comment-p) |
|
|
1015 (do-auto-fill) |
|
|
1016 (if (> (current-column) (current-fill-column)) |
|
|
1017 (let ((fill-column (- (current-fill-column) |
|
|
1018 (length octave-continuation-string)))) |
|
|
1019 (do-auto-fill) |
|
|
1020 (save-excursion |
|
|
1021 (forward-line -1) |
|
|
1022 (end-of-line) |
|
|
1023 (insert (concat " " octave-continuation-string))) |
|
|
1024 (indent-according-to-mode)))))) |
|
|
1025 |
|
|
1026 (defun octave-fill-paragraph (&optional arg) |
|
|
1027 "Fill paragraph of Octave code, handling Octave comments." |
|
|
1028 (interactive "P") |
|
|
1029 (save-excursion |
|
|
1030 (let ((end (progn (forward-paragraph) (point))) |
|
|
1031 (beg (progn |
|
|
1032 (forward-paragraph -1) |
|
|
1033 (skip-chars-forward " \t\n") |
|
|
1034 (beginning-of-line) |
|
|
1035 (point))) |
|
|
1036 (cfc (current-fill-column)) |
|
|
1037 (ind (calculate-octave-indent)) |
|
|
1038 comment-prefix) |
|
|
1039 (save-restriction |
|
|
1040 (goto-char beg) |
|
|
1041 (narrow-to-region beg end) |
|
|
1042 (if (listp ind) (setq ind (nth 1 ind))) |
|
|
1043 (while (not (eobp)) |
|
|
1044 (condition-case nil |
|
|
1045 (octave-indent-line ind) |
|
|
1046 (error nil)) |
|
|
1047 (if (and (> ind 0) |
|
|
1048 (not |
|
|
1049 (save-excursion |
|
|
1050 (beginning-of-line) |
|
|
1051 (looking-at "^\\s-*\\($\\|\\s<+\\)")))) |
|
|
1052 (setq ind 0)) |
|
|
1053 (move-to-column cfc) |
|
|
1054 ;; First check whether we need to combine non-empty comment lines |
|
|
1055 (if (and (< (current-column) cfc) |
|
|
1056 (octave-in-comment-p) |
|
|
1057 (not (save-excursion |
|
|
1058 (beginning-of-line) |
|
|
1059 (looking-at "^\\s-*\\s<+\\s-*$")))) |
|
|
1060 ;; This is a nonempty comment line which does not extend |
|
|
1061 ;; past the fill column. If it is followed by an nonempty |
|
|
1062 ;; comment line with the same comment prefix, try to |
|
|
1063 ;; combine them, and repeat this until either we reach the |
|
|
1064 ;; fill-column or there is nothing more to combine. |
|
|
1065 (progn |
|
|
1066 ;; Get the comment prefix |
|
|
1067 (save-excursion |
|
|
1068 (beginning-of-line) |
|
|
1069 (while (and (re-search-forward "\\s<+") |
|
|
1070 (not (octave-in-comment-p)))) |
|
|
1071 (setq comment-prefix (match-string 0))) |
|
|
1072 ;; And keep combining ... |
|
|
1073 (while (and (< (current-column) cfc) |
|
|
1074 (save-excursion |
|
|
1075 (forward-line 1) |
|
|
1076 (and (looking-at |
|
|
1077 (concat "^\\s-*" |
|
|
1078 comment-prefix |
|
|
1079 "\\S<")) |
|
|
1080 (not (looking-at |
|
|
1081 (concat "^\\s-*" |
|
|
1082 comment-prefix |
|
|
1083 "\\s-*$")))))) |
|
|
1084 (delete-char 1) |
|
|
1085 (re-search-forward comment-prefix) |
|
|
1086 (delete-region (match-beginning 0) (match-end 0)) |
|
|
1087 (fixup-whitespace) |
|
|
1088 (move-to-column cfc)))) |
|
|
1089 (skip-chars-forward "^ \t\n") |
|
|
1090 (delete-horizontal-space) |
|
|
1091 (if (or (< (current-column) cfc) |
|
|
1092 (and (= (current-column) cfc) (eolp))) |
|
|
1093 (forward-line 1) |
|
|
1094 (if (not (eolp)) (insert " ")) |
|
|
1095 (octave-auto-fill)))) |
|
|
1096 t))) |
|
|
1097 |
|
|
1098 |
|
|
1099 ;;; Completions |
|
|
1100 (defun octave-initialize-completions () |
|
|
1101 "Create an alist for Octave completions." |
|
|
1102 (if octave-completion-alist |
|
|
1103 () |
|
|
1104 (setq octave-completion-alist |
|
|
1105 (mapcar '(lambda (var) (cons var var)) |
|
|
1106 (append octave-reserved-words |
|
|
1107 octave-text-functions |
|
|
1108 octave-variables))))) |
|
|
1109 |
|
|
1110 (defun octave-complete-symbol () |
|
|
1111 "Perform completion on Octave symbol preceding point. |
|
|
1112 Compare that symbol against Octave's reserved words and builtin |
|
|
1113 variables." |
|
|
1114 ;; This code taken from lisp-complete-symbol |
|
|
1115 (interactive) |
|
|
1116 (let* ((end (point)) |
|
|
1117 (beg (save-excursion (backward-sexp 1) (point))) |
|
|
1118 (string (buffer-substring-no-properties beg end)) |
|
|
1119 (completion (try-completion string octave-completion-alist))) |
|
|
1120 (cond ((eq completion t)) ; ??? |
|
|
1121 ((null completion) |
|
|
1122 (message "Can't find completion for \"%s\"" string) |
|
|
1123 (ding)) |
|
|
1124 ((not (string= string completion)) |
|
|
1125 (delete-region beg end) |
|
|
1126 (insert completion)) |
|
|
1127 (t |
|
|
1128 (let ((list (all-completions string octave-completion-alist)) |
|
|
1129 (conf (current-window-configuration))) |
|
|
1130 ;; Taken from comint.el |
|
|
1131 (message "Making completion list...") |
|
|
1132 (with-output-to-temp-buffer "*Completions*" |
|
|
1133 (display-completion-list list)) |
|
|
1134 (message "Hit space to flush") |
|
|
1135 (let (key first) |
|
|
1136 (if (save-excursion |
|
|
1137 (set-buffer (get-buffer "*Completions*")) |
|
|
1138 (setq key (read-key-sequence nil) |
|
|
1139 first (aref key 0)) |
|
|
1140 (and (consp first) (consp (event-start first)) |
|
|
1141 (eq (window-buffer (posn-window (event-start |
|
|
1142 first))) |
|
|
1143 (get-buffer "*Completions*")) |
|
|
1144 (eq (key-binding key) 'mouse-choose-completion))) |
|
|
1145 (progn |
|
|
1146 (mouse-choose-completion first) |
|
|
1147 (set-window-configuration conf)) |
|
|
1148 (if (eq first ?\ ) |
|
|
1149 (set-window-configuration conf) |
|
|
1150 (setq unread-command-events |
|
|
1151 (listify-key-sequence key)))))))))) |
|
|
1152 |
|
|
1153 |
|
|
1154 ;;; Electric characters && friends |
|
|
1155 (defun octave-reindent-then-newline-and-indent () |
|
|
1156 "Reindent current Octave line, insert newline, and indent the new line. |
|
|
1157 If Abbrev mode is on, expand abbrevs first." |
|
|
1158 (interactive) |
|
|
1159 (if abbrev-mode (expand-abbrev)) |
|
|
1160 (if octave-blink-matching-block |
|
|
1161 (octave-blink-matching-block-open)) |
|
|
1162 (save-excursion |
|
|
1163 (delete-region (point) (progn (skip-chars-backward " \t") (point))) |
|
|
1164 (indent-according-to-mode)) |
|
|
1165 (insert "\n") |
|
|
1166 (indent-according-to-mode)) |
|
|
1167 |
|
|
1168 (defun octave-electric-semi () |
|
|
1169 "Insert a semicolon in Octave mode. |
|
|
1170 Always reindent the line. Insert a newline if `octave-auto-newline' is |
|
|
1171 non-nil." |
|
|
1172 (interactive) |
|
|
1173 (if (not (octave-not-in-string-or-comment-p)) |
|
|
1174 (insert ";") |
|
|
1175 (if abbrev-mode (expand-abbrev)) |
|
|
1176 (if octave-blink-matching-block |
|
|
1177 (octave-blink-matching-block-open)) |
|
|
1178 (indent-according-to-mode) |
|
|
1179 (insert ";") |
|
|
1180 (if octave-auto-newline |
|
|
1181 (newline-and-indent)))) |
|
|
1182 |
|
|
1183 (defun octave-electric-space () |
|
|
1184 "Insert a space in Octave mode. |
|
|
1185 Maybe expand abbrevs and blink matching block open keywords." |
|
|
1186 (interactive) |
|
|
1187 (setq last-command-char ? ) |
|
|
1188 (if (not (octave-not-in-string-or-comment-p)) |
|
|
1189 (progn |
|
|
1190 (indent-according-to-mode) |
|
|
1191 (self-insert-command 1)) |
|
|
1192 (if abbrev-mode (expand-abbrev)) |
|
|
1193 (if octave-blink-matching-block |
|
|
1194 (octave-blink-matching-block-open)) |
|
|
1195 (if (save-excursion |
|
|
1196 (skip-syntax-backward " ") |
|
|
1197 (not (bolp))) |
|
|
1198 (indent-according-to-mode)) |
|
|
1199 (self-insert-command 1))) |
|
|
1200 |
|
|
1201 (defun octave-abbrev-start () |
|
|
1202 "Start entering an Octave abbreviation. |
|
|
1203 If Abbrev mode is turned on, typing ` (grave accent) followed by ? or |
|
|
1204 \\[help-command] lists all Octave abbrevs. Any other key combination is |
|
|
1205 executed normally. |
|
|
1206 Note that all Octave mode abbrevs start with a grave accent." |
|
|
1207 (interactive) |
|
|
1208 (if (not abbrev-mode) |
|
|
1209 (self-insert-command 1) |
|
|
1210 (let (c) |
|
|
1211 (insert last-command-char) |
|
|
1212 (if (or (eq (setq c (read-event)) ??) |
|
|
1213 (eq c help-char)) |
|
|
1214 (let ((abbrev-table-name-list '(octave-mode-abbrev-table))) |
|
|
1215 (list-abbrevs)) |
|
|
1216 (setq unread-command-events (list c)))))) |
|
|
1217 |
|
|
1218 (defun octave-insert-defun (name args vals) |
|
|
1219 "Insert an Octave function skeleton. |
|
|
1220 Prompt for the function's name, arguments and return values (to be |
|
|
1221 entered without parens)." |
|
|
1222 (interactive |
|
|
1223 (list |
|
|
1224 (read-from-minibuffer "Function name: " |
|
|
1225 (substring (buffer-name) 0 -2)) |
|
|
1226 (read-from-minibuffer "Arguments: ") |
|
|
1227 (read-from-minibuffer "Return values: "))) |
|
|
1228 (let ((string (format "%s %s (%s)" |
|
|
1229 (cond |
|
|
1230 ((string-equal vals "") |
|
|
1231 vals) |
|
|
1232 ((string-match "[ ,]" vals) |
|
|
1233 (concat " [" vals "] =")) |
|
|
1234 (t |
|
|
1235 (concat " " vals " ="))) |
|
|
1236 name |
|
|
1237 args)) |
|
|
1238 (prefix octave-block-comment-start)) |
|
|
1239 (if (not (bobp)) (newline)) |
|
|
1240 (insert "function" string) |
|
|
1241 (indent-according-to-mode) |
|
|
1242 (newline 2) |
|
|
1243 (insert prefix "usage: " string) |
|
|
1244 (reindent-then-newline-and-indent) |
|
|
1245 (insert prefix) |
|
|
1246 (reindent-then-newline-and-indent) |
|
|
1247 (insert prefix) |
|
|
1248 (indent-according-to-mode) |
|
|
1249 (save-excursion |
|
|
1250 (newline 2) |
|
|
1251 (insert "endfunction") |
|
|
1252 (indent-according-to-mode)))) |
|
|
1253 |
|
|
1254 |
|
|
1255 ;;; Menu |
|
|
1256 (defun octave-add-octave-menu () |
|
|
1257 "Adds the `Octave' menu to the menu bar in Octave mode." |
|
|
1258 (require 'easymenu) |
|
|
1259 (easy-menu-define octave-mode-menu-map octave-mode-map |
|
|
1260 "Menu keymap for Octave mode." octave-mode-menu) |
|
|
1261 (easy-menu-add octave-mode-menu-map octave-mode-map)) |
|
|
1262 |
|
|
1263 |
|
|
1264 ;;; Communication with the inferior Octave process |
|
|
1265 (defun octave-kill-process () |
|
|
1266 "Kill inferior Octave process and its buffer." |
|
|
1267 (interactive) |
|
|
1268 (if inferior-octave-process |
|
|
1269 (progn |
|
|
1270 (process-send-string inferior-octave-process "quit;\n") |
|
|
1271 (accept-process-output inferior-octave-process))) |
|
|
1272 (if inferior-octave-buffer |
|
|
1273 (kill-buffer inferior-octave-buffer))) |
|
|
1274 |
|
|
1275 (defun octave-show-process-buffer () |
|
|
1276 "Make sure that `inferior-octave-buffer' is displayed." |
|
|
1277 (interactive) |
|
|
1278 (if (get-buffer inferior-octave-buffer) |
|
|
1279 (display-buffer inferior-octave-buffer) |
|
|
1280 (message "No buffer named %s" inferior-octave-buffer))) |
|
|
1281 |
|
|
1282 (defun octave-hide-process-buffer () |
|
|
1283 "Delete all windows that display `inferior-octave-buffer'." |
|
|
1284 (interactive) |
|
|
1285 (if (get-buffer inferior-octave-buffer) |
|
|
1286 (delete-windows-on inferior-octave-buffer) |
|
|
1287 (message "No buffer named %s" inferior-octave-buffer))) |
|
|
1288 |
|
|
1289 (defun octave-send-region (beg end) |
|
|
1290 "Send current region to the inferior Octave process." |
|
|
1291 (interactive "r") |
|
|
1292 (inferior-octave t) |
|
|
1293 (let ((proc inferior-octave-process) |
|
|
1294 (string (buffer-substring-no-properties beg end)) |
|
|
1295 line) |
|
|
1296 (save-excursion |
|
|
1297 (set-buffer inferior-octave-buffer) |
|
|
1298 (setq inferior-octave-output-list nil) |
|
|
1299 (while (not (string-equal string "")) |
|
|
1300 (if (string-match "\n" string) |
|
|
1301 (setq line (substring string 0 (match-beginning 0)) |
|
|
1302 string (substring string (match-end 0))) |
|
|
1303 (setq line string string "")) |
|
|
1304 (setq inferior-octave-receive-in-progress t) |
|
|
1305 (inferior-octave-send-list-and-digest (list (concat line "\n"))) |
|
|
1306 (while inferior-octave-receive-in-progress |
|
|
1307 (accept-process-output proc)) |
|
|
1308 (insert-before-markers |
|
|
1309 (mapconcat 'identity |
|
|
1310 (append |
|
|
1311 (if octave-send-echo-input (list line) (list "")) |
|
|
1312 (mapcar 'inferior-octave-strip-ctrl-g |
|
|
1313 inferior-octave-output-list) |
|
|
1314 (list inferior-octave-output-string)) |
|
|
1315 "\n"))))) |
|
|
1316 (if octave-send-show-buffer |
|
|
1317 (display-buffer inferior-octave-buffer))) |
|
|
1318 |
|
|
1319 (defun octave-send-block () |
|
|
1320 "Send current Octave block to the inferior Octave process." |
|
|
1321 (interactive) |
|
|
1322 (save-excursion |
|
|
1323 (octave-mark-block) |
|
|
1324 (octave-send-region (point) (mark)))) |
|
|
1325 |
|
|
1326 (defun octave-send-defun () |
|
|
1327 "Send current Octave function to the inferior Octave process." |
|
|
1328 (interactive) |
|
|
1329 (save-excursion |
|
|
1330 (octave-mark-defun) |
|
|
1331 (octave-send-region (point) (mark)))) |
|
|
1332 |
|
|
1333 (defun octave-send-line (&optional arg) |
|
|
1334 "Send current Octave code line to the inferior Octave process. |
|
|
1335 With positive prefix ARG, send that many lines. |
|
|
1336 If `octave-send-line-auto-forward' is non-nil, go to the next unsent |
|
|
1337 code line." |
|
|
1338 (interactive "P") |
|
|
1339 (or arg (setq arg 1)) |
|
|
1340 (if (> arg 0) |
|
|
1341 (let (beg end) |
|
|
1342 (beginning-of-line) |
|
|
1343 (setq beg (point)) |
|
|
1344 (octave-next-code-line (- arg 1)) |
|
|
1345 (end-of-line) |
|
|
1346 (setq end (point)) |
|
|
1347 (if octave-send-line-auto-forward |
|
|
1348 (octave-next-code-line 1)) |
|
|
1349 (octave-send-region beg end)))) |
|
|
1350 |
|
|
1351 (defun octave-eval-print-last-sexp () |
|
|
1352 "Evaluate Octave sexp before point and print value into current buffer." |
|
|
1353 (interactive) |
|
|
1354 (inferior-octave t) |
|
|
1355 (let ((standard-output (current-buffer)) |
|
|
1356 (print-escape-newlines nil) |
|
|
1357 (opoint (point))) |
|
|
1358 (terpri) |
|
|
1359 (prin1 |
|
|
1360 (save-excursion |
|
|
1361 (forward-sexp -1) |
|
|
1362 (inferior-octave-send-list-and-digest |
|
|
1363 (list (concat (buffer-substring-no-properties (point) opoint) |
|
|
1364 "\n"))) |
|
|
1365 (mapconcat 'identity inferior-octave-output-list "\n"))) |
|
|
1366 (terpri))) |
|
|
1367 |
|
|
1368 ;;; Bug reporting |
|
|
1369 (defun octave-submit-bug-report () |
|
|
1370 "Submit a bug report on the Emacs Octave package via mail." |
|
|
1371 (interactive) |
|
|
1372 (require 'reporter) |
|
|
1373 (and |
|
|
1374 (y-or-n-p "Do you want to submit a bug report? ") |
|
|
1375 (reporter-submit-bug-report |
|
|
1376 octave-maintainer-address |
|
|
1377 (concat "Emacs version " emacs-version) |
|
|
1378 (list |
|
|
1379 'octave-auto-newline |
|
|
1380 'octave-blink-matching-block |
|
|
1381 'octave-block-offset |
|
|
1382 'octave-comment-char |
|
|
1383 'octave-continuation-offset |
|
|
1384 'octave-continuation-string |
|
|
1385 'octave-help-files |
|
|
1386 'octave-mode-startup-message |
|
|
1387 'octave-send-echo-input |
|
|
1388 'octave-send-line-auto-forward |
|
|
1389 'octave-send-show-buffer)))) |
|
|
1390 |
|
|
1391 ;;; provide ourself |
|
|
1392 |
|
|
1393 (provide 'octave-mod) |
|
|
1394 |
|
|
1395 ;;; octave-mod.el ends here |
