Mercurial > octave
annotate libinterp/corefcn/interpreter.cc @ 27689:4f32af6abd4b
don't use static variable for list of interpreter atexit functions
* interpreter.h, interpreter.cc (atexit_functions): Delete static
variable.
(interpreter::m_atexit_fcns): New member variable. Replace all uses
of old atexit_functions list with this variable.
(Fatexit): Call new member functions instead of static functions.
(interpreter::execute_atexit_fcns): New function.
(interpreter::cleanup): Call execute_atexit_fcns instead of doing that
job directly here.
(interpreter::add_atexit_fcn, interpreter::remove_atexit_fcn):
New member functions.
(interpreter::add_atexit_function,
interpreter::remove_atexit_function): Deprecate static functions.
Call new member functions.
author | John W. Eaton <jwe@octave.org> |
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date | Thu, 14 Nov 2019 15:18:15 -0500 |
parents | e091e09d26f0 |
children | c81139d8dcc3 |
rev | line source |
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1 /* |
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2 |
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3 Copyright (C) 1993-2019 John W. Eaton |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software: you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by |
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9 the Free Software Foundation, either version 3 of the License, or |
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10 (at your option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but |
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13 WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 GNU General Public License for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, see |
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19 <https://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #if defined (HAVE_CONFIG_H) |
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24 # include "config.h" |
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25 #endif |
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26 |
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27 #include <cstdio> |
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28 |
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29 #include <set> |
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30 #include <string> |
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31 #include <iostream> |
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32 |
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33 #include "cmd-edit.h" |
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34 #include "cmd-hist.h" |
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35 #include "file-ops.h" |
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36 #include "file-stat.h" |
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37 #include "fpucw-wrappers.h" |
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38 #include "lo-blas-proto.h" |
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39 #include "lo-error.h" |
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40 #include "oct-env.h" |
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41 #include "str-vec.h" |
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42 #include "signal-wrappers.h" |
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43 #include "unistd-wrappers.h" |
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44 |
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45 #include "builtin-defun-decls.h" |
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46 #include "defaults.h" |
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47 #include "Cell.h" |
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48 #include "defun.h" |
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49 #include "display.h" |
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50 #include "error.h" |
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51 #include "event-manager.h" |
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52 #include "file-io.h" |
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53 #include "graphics.h" |
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54 #include "help.h" |
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55 #include "input.h" |
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56 #include "interpreter-private.h" |
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57 #include "interpreter.h" |
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58 #include "load-path.h" |
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59 #include "load-save.h" |
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60 #include "octave.h" |
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61 #include "oct-hist.h" |
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62 #include "oct-map.h" |
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63 #include "oct-mutex.h" |
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64 #include "ovl.h" |
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65 #include "ov.h" |
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66 #include "ov-classdef.h" |
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67 #include "parse.h" |
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68 #include "pt-classdef.h" |
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69 #include "pt-eval.h" |
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70 #include "pt-jump.h" |
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71 #include "pt-stmt.h" |
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72 #include "settings.h" |
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73 #include "sighandlers.h" |
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74 #include "sysdep.h" |
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75 #include "unwind-prot.h" |
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76 #include "utils.h" |
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77 #include "variables.h" |
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78 #include "version.h" |
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79 |
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80 // TRUE means the quit() call is allowed. |
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81 bool quit_allowed = true; |
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82 |
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83 // TRUE means we are ready to interpret commands, but not everything |
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84 // is ready for interactive use. |
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85 bool octave_interpreter_ready = false; |
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86 |
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87 // TRUE means we've processed all the init code and we are good to go. |
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88 bool octave_initialized = false; |
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89 |
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90 DEFUN (__version_info__, args, , |
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91 doc: /* -*- texinfo -*- |
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92 @deftypefn {} {retval =} __version_info__ (@var{name}, @var{version}, @var{release}, @var{date}) |
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93 Undocumented internal function. |
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94 @end deftypefn */) |
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95 { |
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96 static octave_map vinfo; |
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97 |
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98 int nargin = args.length (); |
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99 |
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100 if (nargin != 0 && nargin != 4) |
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101 print_usage (); |
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102 |
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103 octave_value retval; |
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104 |
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105 if (nargin == 0) |
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106 retval = vinfo; |
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107 else if (nargin == 4) |
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108 { |
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109 if (vinfo.nfields () == 0) |
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110 { |
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111 vinfo.assign ("Name", args(0)); |
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112 vinfo.assign ("Version", args(1)); |
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113 vinfo.assign ("Release", args(2)); |
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114 vinfo.assign ("Date", args(3)); |
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115 } |
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116 else |
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117 { |
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118 octave_idx_type n = vinfo.numel () + 1; |
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119 |
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120 vinfo.resize (dim_vector (n, 1)); |
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121 |
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122 octave_value idx (n); |
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123 |
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124 vinfo.assign (idx, "Name", Cell (octave_value (args(0)))); |
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125 vinfo.assign (idx, "Version", Cell (octave_value (args(1)))); |
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126 vinfo.assign (idx, "Release", Cell (octave_value (args(2)))); |
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127 vinfo.assign (idx, "Date", Cell (octave_value (args(3)))); |
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128 } |
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129 } |
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130 |
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131 return retval; |
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132 } |
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133 |
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134 DEFMETHOD (quit, interp, args, , |
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135 doc: /* -*- texinfo -*- |
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136 @deftypefn {} {} quit |
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137 @deftypefnx {} {} quit cancel |
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138 @deftypefnx {} {} quit force |
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139 @deftypefnx {} {} quit ("cancel") |
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140 @deftypefnx {} {} quit ("force") |
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141 @deftypefnx {} {} quit (@var{status}) |
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142 @deftypefnx {} {} quit (@var{status}, "force") |
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143 Quit the current Octave session. |
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144 |
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145 The @code{exit} function is an alias for @code{quit}. |
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146 |
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147 If the optional integer value @var{status} is supplied, pass that value to |
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148 the operating system as Octave's exit status. The default value is zero. |
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149 |
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150 When exiting, Octave will attempt to run the m-file @file{finish.m} if it |
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151 exists. User commands to save the workspace or clean up temporary files |
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152 may be placed in that file. Alternatively, another m-file may be scheduled |
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153 to run using @code{atexit}. If an error occurs while executing the |
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154 @file{finish.m} file, Octave does not exit and control is returned to |
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155 the command prompt. |
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156 |
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157 If the optional argument @qcode{"cancel"} is provided, Octave does not |
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158 exit and control is returned to the command prompt. This feature allows |
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159 the @code{finish.m} file to cancel the quit process. |
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160 |
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161 If the user preference to request confirmation before exiting, Octave |
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162 will display a dialog and give the user an option to cancel the exit |
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163 process. |
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164 |
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165 If the optional argument @qcode{"force"} is provided, no confirmation is |
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166 requested, and the execution of the @file{finish.m} file is skipped. |
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167 @seealso{atexit} |
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168 @end deftypefn */) |
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169 { |
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170 int numel = args.length (); |
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171 |
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172 if (numel > 2) |
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173 print_usage (); |
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174 |
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175 int exit_status = 0; |
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176 |
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177 bool force = false; |
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178 bool cancel = false; |
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179 |
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180 if (numel == 2) |
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181 { |
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182 exit_status = args(0).xnint_value ("quit: STATUS must be an integer"); |
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183 std::string frc |
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184 = args(1).xstring_value ("quit: second argument must be a string"); |
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185 |
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186 if (frc == "force") |
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187 force = true; |
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188 else |
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189 error (R"(quit: second argument must be string "force")"); |
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190 } |
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191 else if (numel == 1) |
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192 { |
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193 if (args(0).is_string ()) |
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194 { |
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195 const char *msg |
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196 = R"(quit: option must be string "cancel" or "force")"; |
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197 |
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198 std::string opt = args(0).xstring_value (msg); |
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199 |
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200 if (opt == "cancel") |
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201 cancel = true; |
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202 else if (opt == "force") |
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203 force = true; |
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204 else |
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205 error ("%s", msg); |
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206 } |
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207 else |
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208 exit_status = args(0).xnint_value ("quit: STATUS must be an integer"); |
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209 } |
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210 |
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211 if (cancel) |
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212 { |
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213 // No effect if "quit cancel" appears outside of finish script. |
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214 |
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215 if (interp.executing_finish_script ()) |
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216 interp.cancel_quit (true); |
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217 |
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218 return ovl (); |
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219 } |
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220 |
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221 interp.quit (exit_status, force); |
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222 |
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223 return ovl (); |
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224 } |
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225 |
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226 DEFALIAS (exit, quit); |
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227 |
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228 DEFMETHOD (atexit, interp, args, nargout, |
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229 doc: /* -*- texinfo -*- |
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230 @deftypefn {} {} atexit (@var{fcn}) |
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231 @deftypefnx {} {} atexit (@var{fcn}, @var{flag}) |
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232 Register a function to be called when Octave exits. |
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233 |
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234 For example, |
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235 |
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236 @example |
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237 @group |
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238 function last_words () |
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239 disp ("Bye bye"); |
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240 endfunction |
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241 atexit ("last_words"); |
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242 @end group |
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243 @end example |
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244 |
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245 @noindent |
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246 will print the message @qcode{"Bye bye"} when Octave exits. |
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247 |
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248 The additional argument @var{flag} will register or unregister @var{fcn} |
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249 from the list of functions to be called when Octave exits. If @var{flag} is |
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250 true, the function is registered, and if @var{flag} is false, it is |
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251 unregistered. For example, after registering the function @code{last_words} |
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252 above, |
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253 |
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254 @example |
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255 atexit ("last_words", false); |
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256 @end example |
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257 |
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258 @noindent |
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259 will remove the function from the list and Octave will not call |
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260 @code{last_words} when it exits. |
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261 |
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262 Note that @code{atexit} only removes the first occurrence of a function |
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263 from the list, so if a function was placed in the list multiple times with |
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264 @code{atexit}, it must also be removed from the list multiple times. |
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265 @seealso{quit} |
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266 @end deftypefn */) |
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267 { |
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268 int nargin = args.length (); |
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269 |
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270 if (nargin < 1 || nargin > 2) |
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271 print_usage (); |
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272 |
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273 std::string arg = args(0).xstring_value ("atexit: FCN argument must be a string"); |
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274 |
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275 bool add_mode = (nargin == 2) |
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276 ? args(1).xbool_value ("atexit: FLAG argument must be a logical value") |
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277 : true; |
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278 |
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279 octave_value_list retval; |
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280 |
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281 if (add_mode) |
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282 interp.add_atexit_fcn (arg); |
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283 else |
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284 { |
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285 bool found = interp.remove_atexit_fcn (arg); |
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286 |
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287 if (nargout > 0) |
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288 retval = ovl (found); |
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289 } |
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290 |
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291 return retval; |
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292 } |
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293 |
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294 namespace octave |
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295 { |
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296 temporary_file_list::~temporary_file_list (void) |
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297 { |
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298 cleanup (); |
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299 } |
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300 |
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301 void temporary_file_list::insert (const std::string& file) |
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302 { |
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303 m_files.insert (file); |
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304 } |
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305 |
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306 void temporary_file_list::cleanup (void) |
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307 { |
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308 while (! m_files.empty ()) |
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309 { |
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310 auto it = m_files.begin (); |
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311 |
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312 octave_unlink_wrapper (it->c_str ()); |
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313 |
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314 m_files.erase (it); |
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315 } |
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316 } |
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317 |
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318 // The time we last time we changed directories. |
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319 sys::time Vlast_chdir_time = 0.0; |
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320 |
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321 // Execute commands from a file and catch potential exceptions in a consistent |
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322 // way. This function should be called anywhere we might parse and execute |
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323 // commands from a file before we have entered the main loop in |
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324 // toplev.cc. |
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325 |
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326 static int safe_source_file (const std::string& file_name, |
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327 const std::string& context = "", |
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328 bool verbose = false, |
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329 bool require_file = true) |
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330 { |
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331 interpreter& interp = __get_interpreter__ ("safe_source_file"); |
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332 |
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333 try |
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334 { |
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335 source_file (file_name, context, verbose, require_file); |
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336 } |
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337 catch (const interrupt_exception&) |
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338 { |
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339 interp.recover_from_exception (); |
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340 |
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341 return 1; |
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342 } |
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343 catch (const execution_exception& e) |
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344 { |
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346 |
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347 return 1; |
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348 } |
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349 |
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350 return 0; |
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351 } |
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352 |
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353 static void initialize_version_info (void) |
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354 { |
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355 octave_value_list args; |
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356 |
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357 args(3) = OCTAVE_RELEASE_DATE; |
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358 args(2) = config::release (); |
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359 args(1) = OCTAVE_VERSION; |
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360 args(0) = "GNU Octave"; |
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361 |
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362 F__version_info__ (args, 0); |
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363 } |
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364 |
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365 static void xerbla_abort (void) |
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366 { |
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367 error ("Fortran procedure terminated by call to XERBLA"); |
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368 } |
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369 |
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370 static void initialize_xerbla_error_handler (void) |
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371 { |
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372 // The idea here is to force xerbla to be referenced so that we will |
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373 // link to our own version instead of the one provided by the BLAS |
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374 // library. But numeric_limits<double>::NaN () should never be -1, so |
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375 // we should never actually call xerbla. FIXME (again!): If this |
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376 // becomes a constant expression the test might be optimized away and |
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377 // then the reference to the function might also disappear. |
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378 |
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379 if (numeric_limits<double>::NaN () == -1) |
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380 F77_FUNC (xerbla, XERBLA) ("octave", 13 F77_CHAR_ARG_LEN (6)); |
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381 |
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382 typedef void (*xerbla_handler_ptr) (void); |
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383 |
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384 typedef void (*octave_set_xerbla_handler_ptr) (xerbla_handler_ptr); |
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385 |
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386 dynamic_library libs (""); |
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387 |
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388 if (libs) |
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389 { |
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390 octave_set_xerbla_handler_ptr octave_set_xerbla_handler |
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391 = reinterpret_cast<octave_set_xerbla_handler_ptr> |
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392 (libs.search ("octave_set_xerbla_handler")); |
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393 |
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394 if (octave_set_xerbla_handler) |
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395 octave_set_xerbla_handler (xerbla_abort); |
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396 } |
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397 } |
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398 |
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399 OCTAVE_NORETURN static void |
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400 lo_error_handler (const char *fmt, ...) |
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401 { |
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402 va_list args; |
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403 va_start (args, fmt); |
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404 verror_with_cfn (fmt, args); |
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405 va_end (args); |
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406 |
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407 throw execution_exception (); |
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408 } |
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409 |
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410 OCTAVE_NORETURN static void |
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411 lo_error_with_id_handler (const char *id, const char *fmt, ...) |
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412 { |
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413 va_list args; |
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414 va_start (args, fmt); |
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415 verror_with_id_cfn (id, fmt, args); |
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416 va_end (args); |
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417 |
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418 throw execution_exception (); |
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419 } |
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420 |
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421 static void initialize_error_handlers (void) |
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422 { |
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423 set_liboctave_error_handler (lo_error_handler); |
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424 set_liboctave_error_with_id_handler (lo_error_with_id_handler); |
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* interpreter.cc (intialize_xerbla_error_handler, xerbla_abort): New functions.
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425 set_liboctave_warning_handler (warning); |
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426 set_liboctave_warning_with_id_handler (warning_with_id); |
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427 } |
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428 |
23117
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429 // Create an interpreter object and perform initialization up to the |
17a3567a7b01
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430 // point of setting reading command history and setting the load |
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431 // path. |
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432 |
23111
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more refactoring of interpreter and application classes
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433 interpreter::interpreter (application *app_context) |
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434 : m_app_context (app_context), |
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eliminate global tmp_files variable
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435 m_tmp_files (), |
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don't use static variable for list of interpreter atexit functions
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436 m_atexit_fcns (), |
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437 m_display_info (), |
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eliminate some global variables
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438 m_environment (), |
25443
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new class for miscellaneous interpreter settings
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439 m_settings (), |
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move global error configuration and status variables inside a class
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440 m_error_system (*this), |
23721
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new class to manage help system and associated variables
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441 m_help_system (*this), |
25407
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442 m_input_system (*this), |
25435
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eliminate some singletons and static & global variables
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443 m_output_system (*this), |
25994
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eliminate global and file-scope static variables in oct-hist.cc
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444 m_history_system (*this), |
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445 m_dynamic_loader (*this), |
27394
489c74ac36da
store reference to interpreter in load_path object
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446 m_load_path (*this), |
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f75bb9d659e0
eliminate global and file-scope static variables from load-save.cc (bug #54571)
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447 m_load_save_system (*this), |
24540
46440078d73b
don't use singleton for octave_value_typeinfo
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448 m_type_info (), |
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move variable values from symbol_record objects to stack_frame objects
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449 m_symbol_table (*this), |
23630
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avoid memory leak in interpreter
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450 m_evaluator (*this), |
23738
8acd390d16c9
don't use singleton for stream_list object
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451 m_stream_list (*this), |
24734
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don't use singleton pattern for child_list
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diff
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452 m_child_list (), |
23742
1f0daaf81955
don't use singleton for ch_manager, rename to url_handle_manager
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453 m_url_handle_manager (), |
23651
5c6cceef132b
don't use singleton for cdef_manager object
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454 m_cdef_manager (*this), |
23774
41795b504a8b
don't use singleton for gtk_manager
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|
455 m_gtk_manager (), |
27302
5f170ea12fa1
use Qt signals to pass interpreter callbacks to octave-qobject
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diff
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456 m_event_manager (*this), |
27321
eddce82a57cc
don't use singleton pattern for gh_manager object
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457 m_gh_manager (nullptr), |
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458 m_interactive (false), |
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|
459 m_read_site_files (true), |
23795
980f39c3ab90
Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
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diff
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|
460 m_read_init_files (m_app_context != nullptr), |
23627
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461 m_verbose (false), |
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462 m_inhibit_startup_message (false), |
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463 m_load_path_initialized (false), |
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|
464 m_history_initialized (false), |
27519
804e5d42b728
move reader and parser from evaluator repl to interpreter main_loop
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465 m_in_top_level_repl (false), |
27587
494d6243c188
improve compatibility of quit function
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|
466 m_cancel_quit (false), |
494d6243c188
improve compatibility of quit function
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|
467 m_executing_finish_script (false), |
23553
14723784b9f2
don't use singleton for call_stack
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diff
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|
468 m_initialized (false) |
22094
9203833cab7d
move new interpreter class to separate file
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diff
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|
469 { |
24538
2b273df71aa0
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|
470 // FIXME: When thread_local storage is used by default, this message |
2b273df71aa0
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471 // should change to say something like |
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|
472 // |
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473 // only one Octave interpreter may be active in any given thread |
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474 |
23511
232c8d69d934
manage interpreter instance in interpreter object
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|
475 if (instance) |
232c8d69d934
manage interpreter instance in interpreter object
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476 throw std::runtime_error |
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|
477 ("only one Octave interpreter may be active"); |
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put parser, lexer, and evaluator in namespace; interpreter now owns evaluator
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|
478 |
23511
232c8d69d934
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479 instance = this; |
22094
9203833cab7d
move new interpreter class to separate file
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|
480 |
9203833cab7d
move new interpreter class to separate file
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diff
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|
481 // Matlab uses "C" locale for LC_NUMERIC class regardless of local setting |
27309
463fc0cfed90
initialize locale from values in the environment on interpreter start
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|
482 setlocale (LC_ALL, ""); |
22094
9203833cab7d
move new interpreter class to separate file
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|
483 setlocale (LC_NUMERIC, "C"); |
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|
484 setlocale (LC_TIME, "C"); |
23696
08036a7f3660
remove octave:: namespace tag from symbols used inside octave namespace
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485 sys::env::putenv ("LC_NUMERIC", "C"); |
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486 sys::env::putenv ("LC_TIME", "C"); |
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487 |
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488 // Initialize the default floating point unit control state. |
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489 octave_set_default_fpucw (); |
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490 |
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491 thread::init (); |
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492 |
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493 octave_ieee_init (); |
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494 |
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495 initialize_xerbla_error_handler (); |
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496 |
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497 initialize_error_handlers (); |
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498 |
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499 if (m_app_context) |
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500 { |
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501 install_signal_handlers (); |
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502 octave_unblock_signal_by_name ("SIGTSTP"); |
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503 } |
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504 else |
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505 quit_allowed = false; |
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506 |
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507 if (! m_app_context) |
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508 m_display_info.initialize (); |
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509 |
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510 bool line_editing = false; |
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511 bool traditional = false; |
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512 |
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513 if (m_app_context) |
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514 { |
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515 // Embedded interpeters don't execute command line options. |
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516 const cmdline_options& options = m_app_context->options (); |
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517 |
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518 // Make all command-line arguments available to startup files, |
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519 // including PKG_ADD files. |
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520 |
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521 string_vector args = options.all_args (); |
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522 |
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523 m_app_context->intern_argv (args); |
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524 intern_nargin (args.numel () - 1); |
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525 |
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526 bool is_octave_program = m_app_context->is_octave_program (); |
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527 |
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528 std::list<std::string> command_line_path = options.command_line_path (); |
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529 |
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530 for (const auto& pth : command_line_path) |
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531 m_load_path.set_command_line_path (pth); |
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532 |
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533 std::string exec_path = options.exec_path (); |
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534 if (! exec_path.empty ()) |
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535 m_environment.exec_path (exec_path); |
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536 |
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537 std::string image_path = options.image_path (); |
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538 if (! image_path.empty ()) |
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539 m_environment.image_path (image_path); |
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540 |
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541 if (! options.no_window_system ()) |
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542 m_display_info.initialize (); |
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543 |
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544 // Is input coming from a terminal? If so, we are probably |
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545 // interactive. |
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546 |
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547 // If stdin is not a tty, then we are reading commands from a |
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548 // pipe or a redirected file. |
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549 bool stdin_is_tty = octave_isatty_wrapper (fileno (stdin)); |
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550 |
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551 m_interactive = (! is_octave_program && stdin_is_tty |
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552 && octave_isatty_wrapper (fileno (stdout))); |
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553 |
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554 // Check if the user forced an interactive session. |
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555 if (options.forced_interactive ()) |
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556 m_interactive = true; |
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557 |
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558 line_editing = options.line_editing (); |
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559 if ((! m_interactive || options.forced_interactive ()) |
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560 && ! options.forced_line_editing ()) |
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561 line_editing = false; |
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562 |
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563 traditional = options.traditional (); |
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564 |
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565 // FIXME: if possible, perform the following actions directly |
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566 // instead of using the interpreter-level functions. |
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567 |
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568 if (options.echo_commands ()) |
23723
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|
569 m_evaluator.echo |
25063
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570 (tree_evaluator::ECHO_SCRIPTS | tree_evaluator::ECHO_FUNCTIONS |
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571 | tree_evaluator::ECHO_ALL); |
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572 |
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573 std::string docstrings_file = options.docstrings_file (); |
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574 if (! docstrings_file.empty ()) |
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575 Fbuilt_in_docstrings_file (*this, octave_value (docstrings_file)); |
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576 |
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577 std::string doc_cache_file = options.doc_cache_file (); |
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578 if (! doc_cache_file.empty ()) |
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579 Fdoc_cache_file (*this, octave_value (doc_cache_file)); |
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580 |
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581 std::string info_file = options.info_file (); |
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582 if (! info_file.empty ()) |
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583 Finfo_file (*this, octave_value (info_file)); |
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584 |
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585 std::string info_program = options.info_program (); |
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586 if (! info_program.empty ()) |
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587 Finfo_program (*this, octave_value (info_program)); |
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588 |
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589 if (options.debug_jit ()) |
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590 Fdebug_jit (octave_value (true)); |
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591 |
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592 if (options.jit_compiler ()) |
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593 Fjit_enable (octave_value (true)); |
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594 |
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595 std::string texi_macros_file = options.texi_macros_file (); |
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596 if (! texi_macros_file.empty ()) |
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597 Ftexi_macros_file (*this, octave_value (texi_macros_file)); |
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598 } |
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|
599 |
27322
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|
600 // FIXME: we defer creation of the gh_manager object because it |
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601 // creates a root_figure object that requires the display_info |
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602 // object, but that is currently only accessible through the global |
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603 // interpreter object and that is not available until after the |
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604 // interpreter::instance pointer is set (above). It would be better |
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605 // if m_gh_manager could be an object value instead of a pointer and |
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606 // created as part of the interpreter initialization. To do that, |
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607 // we should either make the display_info object independent of the |
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608 // interpreter object (does it really need to cache any |
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609 // information?) or defer creation of the root_figure object until |
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610 // it is actually needed. |
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611 m_gh_manager = new gh_manager (*this); |
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612 |
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613 m_input_system.initialize (line_editing); |
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614 |
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615 // These can come after command line args since none of them set any |
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616 // defaults that might be changed by command line options. |
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617 |
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618 initialize_version_info (); |
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619 |
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620 // This should be done before initializing the load path because |
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621 // some PKG_ADD files might need --traditional behavior. |
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622 |
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623 if (traditional) |
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624 maximum_braindamage (); |
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625 |
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626 octave_interpreter_ready = true; |
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627 } |
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628 |
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629 OCTAVE_THREAD_LOCAL interpreter *interpreter::instance = nullptr; |
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630 |
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631 interpreter::~interpreter (void) |
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632 { |
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633 cleanup (); |
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634 |
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635 delete m_gh_manager; |
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636 } |
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637 |
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638 void interpreter::intern_nargin (octave_idx_type nargs) |
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639 { |
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640 m_evaluator.set_auto_fcn_var (stack_frame::NARGIN, nargs); |
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641 } |
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642 |
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643 // Read the history file unless a command-line option inhibits that. |
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644 |
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645 void interpreter::initialize_history (bool read_history_file) |
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646 { |
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647 if (! m_history_initialized) |
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648 { |
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649 // Allow command-line option to override. |
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650 |
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651 if (m_app_context) |
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652 { |
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653 const cmdline_options& options = m_app_context->options (); |
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654 |
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655 read_history_file = options.read_history_file (); |
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656 |
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657 if (! read_history_file) |
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658 command_history::ignore_entries (); |
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659 } |
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660 |
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661 m_history_system.initialize (read_history_file); |
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662 |
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663 if (! m_app_context) |
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664 command_history::ignore_entries (); |
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665 |
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666 m_history_initialized = true; |
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667 } |
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668 } |
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669 |
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670 // Set the initial path to the system default unless command-line |
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671 // option says to leave it empty. |
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672 |
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673 void interpreter::initialize_load_path (bool set_initial_path) |
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674 { |
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675 if (! m_load_path_initialized) |
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676 { |
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677 // Allow command-line option to override. |
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678 |
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679 if (m_app_context) |
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680 { |
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681 const cmdline_options& options = m_app_context->options (); |
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682 |
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683 set_initial_path = options.set_initial_path (); |
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684 } |
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685 |
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686 // Temporarily set the execute_pkg_add function to one that |
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687 // catches exceptions. This is better than wrapping |
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688 // load_path::initialize in a try-catch block because it will |
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689 // not stop executing PKG_ADD files at the first exception. |
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690 // It's also better than changing the default execute_pkg_add |
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691 // function to use safe_source file because that will normally |
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692 // be evaluated from the normal intepreter loop where exceptions |
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693 // are already handled. |
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694 |
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695 unwind_protect frame; |
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696 |
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697 frame.add_method (m_load_path, &load_path::set_add_hook, |
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698 m_load_path.get_add_hook ()); |
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699 |
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700 m_load_path.set_add_hook ([this] (const std::string& dir) |
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701 { this->execute_pkg_add (dir); }); |
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702 |
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703 m_load_path.initialize (set_initial_path); |
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704 |
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705 m_load_path_initialized = true; |
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706 } |
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707 } |
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|
708 |
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709 // This may be called separately from execute |
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710 |
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711 void interpreter::initialize (void) |
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712 { |
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713 if (m_initialized) |
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714 return; |
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715 |
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716 display_startup_message (); |
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717 |
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718 // Wait to read the history file until the interpreter reads input |
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719 // files and begins evaluating commands. |
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720 |
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721 initialize_history (); |
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722 |
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723 // Initializing the load path may execute PKG_ADD files, so can't be |
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724 // done until the interpreter is ready to execute commands. |
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725 |
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726 // Deferring it to the execute step also allows the path to be |
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727 // initialized between creating and execute the interpreter, for |
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728 // example, to set a custom path for an embedded interpreter. |
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729 |
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730 initialize_load_path (); |
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731 |
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732 octave_save_signal_mask (); |
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733 |
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734 can_interrupt = true; |
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735 |
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736 octave_signal_hook = respond_to_pending_signals; |
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737 octave_interrupt_hook = nullptr; |
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738 |
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739 catch_interrupts (); |
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740 |
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741 // FIXME: could we eliminate this variable or make it not be global? |
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742 // Global used to communicate with signal handler. |
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743 octave_initialized = true; |
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744 |
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745 m_initialized = true; |
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746 } |
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747 |
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748 // FIXME: this function is intended to be executed only once. Should |
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749 // we enforce that restriction? |
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750 |
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751 int interpreter::execute (void) |
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752 { |
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753 int exit_status = 0; |
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754 |
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755 try |
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756 { |
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757 initialize (); |
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758 |
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759 execute_startup_files (); |
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760 |
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761 if (m_app_context) |
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762 { |
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763 const cmdline_options& options = m_app_context->options (); |
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764 |
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765 if (m_app_context->have_eval_option_code ()) |
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766 { |
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767 int status = execute_eval_option_code (); |
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768 |
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769 if (status ) |
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770 exit_status = status; |
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771 |
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772 if (! options.persist ()) |
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773 return exit_status; |
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774 } |
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775 |
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776 // If there is an extra argument, see if it names a file to |
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777 // read. Additional arguments are taken as command line options |
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778 // for the script. |
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779 |
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780 if (m_app_context->have_script_file ()) |
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781 { |
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782 int status = execute_command_line_file (); |
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783 |
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784 if (status) |
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785 exit_status = status; |
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|
786 |
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787 if (! options.persist ()) |
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788 return exit_status; |
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789 } |
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790 |
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|
791 if (options.forced_interactive ()) |
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792 command_editor::blink_matching_paren (false); |
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793 } |
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|
794 |
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795 return main_loop (); |
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796 } |
23696
08036a7f3660
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|
797 catch (const exit_exception& ex) |
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798 { |
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799 return ex.exit_status (); |
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800 } |
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801 |
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802 return exit_status; |
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|
803 } |
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|
804 |
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805 void interpreter::display_startup_message (void) const |
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806 { |
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807 bool inhibit_startup_message = false; |
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|
808 |
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809 if (m_app_context) |
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|
810 { |
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811 const cmdline_options& options = m_app_context->options (); |
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812 |
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813 inhibit_startup_message = options.inhibit_startup_message (); |
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814 } |
23396
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|
815 |
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816 if (m_interactive && ! inhibit_startup_message) |
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817 std::cout << octave_startup_message () << "\n" << std::endl; |
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818 } |
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819 |
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820 // Initialize by reading startup files. Return non-zero if an exception |
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821 // occurs when reading any of them, but don't exit early because of an |
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822 // exception. |
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823 |
26722
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|
824 int interpreter::execute_startup_files (void) |
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825 { |
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826 bool read_site_files = m_read_site_files; |
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827 bool read_init_files = m_read_init_files; |
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828 bool verbose = m_verbose; |
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829 bool inhibit_startup_message = m_inhibit_startup_message; |
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830 |
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831 if (m_app_context) |
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832 { |
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833 const cmdline_options& options = m_app_context->options (); |
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834 |
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835 read_site_files = options.read_site_files (); |
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836 read_init_files = options.read_init_files (); |
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837 verbose = options.verbose_flag (); |
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838 inhibit_startup_message = options.inhibit_startup_message (); |
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839 } |
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840 |
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841 verbose = (verbose && ! inhibit_startup_message); |
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842 |
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843 bool require_file = false; |
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844 |
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845 std::string context; |
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846 |
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847 int exit_status = 0; |
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848 |
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849 if (read_site_files) |
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|
850 { |
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851 // Execute commands from the site-wide configuration file. |
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852 // First from the file $(prefix)/lib/octave/site/m/octaverc |
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853 // (if it exists), then from the file |
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854 // $(prefix)/share/octave/$(version)/m/octaverc (if it exists). |
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855 |
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856 int status = safe_source_file (config::local_site_defaults_file (), |
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857 context, verbose, require_file); |
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858 |
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859 if (status) |
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860 exit_status = status; |
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861 |
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862 status = safe_source_file (config::site_defaults_file (), |
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863 context, verbose, require_file); |
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864 |
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865 if (status) |
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866 exit_status = status; |
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867 } |
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868 |
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869 if (read_init_files) |
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870 { |
26722
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871 // Try to execute commands from the Matlab compatible startup.m file |
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872 // if it exists anywhere in the load path when starting Octave. |
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873 std::string ff_startup_m = file_in_path ("startup.m", ""); |
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874 |
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875 if (! ff_startup_m.empty ()) |
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876 { |
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877 int parse_status = 0; |
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878 |
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879 try |
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880 { |
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881 eval_string (std::string ("startup"), false, parse_status, 0); |
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882 } |
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883 catch (const interrupt_exception&) |
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884 { |
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|
885 recover_from_exception (); |
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886 } |
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887 catch (const execution_exception& e) |
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888 { |
27471 | 889 handle_exception (e); |
26722
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890 } |
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891 } |
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892 |
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893 // Try to execute commands from $HOME/$OCTAVE_INITFILE and |
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894 // $OCTAVE_INITFILE. If $OCTAVE_INITFILE is not set, |
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895 // .octaverc is assumed. |
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|
896 |
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897 bool home_rc_already_executed = false; |
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898 |
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899 std::string initfile = sys::env::getenv ("OCTAVE_INITFILE"); |
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900 |
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901 if (initfile.empty ()) |
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902 initfile = ".octaverc"; |
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903 |
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904 std::string home_dir = sys::env::get_home_directory (); |
23102
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905 |
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906 std::string home_rc = sys::env::make_absolute (initfile, home_dir); |
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|
907 |
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|
908 std::string local_rc; |
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|
909 |
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|
910 if (! home_rc.empty ()) |
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911 { |
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912 int status = safe_source_file (home_rc, context, verbose, |
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913 require_file); |
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|
914 |
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915 if (status) |
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916 exit_status = status; |
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917 |
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918 // Names alone are not enough. |
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|
919 |
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920 sys::file_stat fs_home_rc (home_rc); |
23102
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921 |
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|
922 if (fs_home_rc) |
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923 { |
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924 // We want to check for curr_dir after executing home_rc |
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925 // because doing that may change the working directory. |
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|
926 |
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|
927 local_rc = sys::env::make_absolute (initfile); |
23102
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|
928 |
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refactor interpreter::execute
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929 home_rc_already_executed = same_file (home_rc, local_rc); |
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|
930 } |
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|
931 } |
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|
932 |
23102
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|
933 if (! home_rc_already_executed) |
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|
934 { |
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|
935 if (local_rc.empty ()) |
23696
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|
936 local_rc = sys::env::make_absolute (initfile); |
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|
937 |
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|
938 int status = safe_source_file (local_rc, context, verbose, |
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|
939 require_file); |
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diff
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|
940 |
373771419d51
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|
941 if (status) |
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|
942 exit_status = status; |
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|
943 } |
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|
944 } |
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|
945 |
23111
252975fdc444
more refactoring of interpreter and application classes
John W. Eaton <jwe@octave.org>
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changeset
|
946 if (m_interactive && verbose) |
23102
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changeset
|
947 std::cout << std::endl; |
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|
948 |
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changeset
|
949 return exit_status; |
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changeset
|
950 } |
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|
951 |
23102
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|
952 // Execute any code specified with --eval 'CODE' |
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|
953 |
373771419d51
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|
954 int interpreter::execute_eval_option_code (void) |
22094
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changeset
|
955 { |
27530
7a9d2b0e6da8
be more defensive about using m_app_context in interpreter code
John W. Eaton <jwe@octave.org>
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27529
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changeset
|
956 if (! m_app_context) |
7a9d2b0e6da8
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John W. Eaton <jwe@octave.org>
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957 return 0; |
7a9d2b0e6da8
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John W. Eaton <jwe@octave.org>
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|
958 |
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|
959 const cmdline_options& options = m_app_context->options (); |
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|
960 |
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|
961 std::string code_to_eval = options.code_to_eval (); |
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|
962 |
27532
2af853f94b97
use unwind_protect_var instead of unwind_protect object for a single var
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changeset
|
963 unwind_protect_var<bool> upv (m_interactive, false); |
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|
964 |
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|
965 int parse_status = 0; |
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|
966 |
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|
967 try |
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|
968 { |
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|
969 eval_string (code_to_eval, false, parse_status, 0); |
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|
970 } |
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08036a7f3660
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|
971 catch (const interrupt_exception&) |
22094
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|
972 { |
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changeset
|
973 recover_from_exception (); |
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John W. Eaton <jwe@octave.org>
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|
974 |
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|
975 return 1; |
22094
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|
976 } |
27471 | 977 catch (const execution_exception& e) |
22094
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|
978 { |
27471 | 979 handle_exception (e); |
22094
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|
980 |
23087
9f406f0b36da
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diff
changeset
|
981 return 1; |
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982 } |
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983 |
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984 return parse_status; |
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985 } |
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986 |
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987 int interpreter::execute_command_line_file (void) |
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988 { |
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989 if (! m_app_context) |
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990 return 0; |
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991 |
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992 const cmdline_options& options = m_app_context->options (); |
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993 |
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994 unwind_protect frame; |
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995 |
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996 frame.add_method (this, &interpreter::interactive, m_interactive); |
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997 |
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998 string_vector args = options.all_args (); |
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999 |
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1000 frame.add_method (m_app_context, &application::intern_argv, args); |
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1001 |
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1002 frame.add_method (this, &interpreter::intern_nargin, args.numel () - 1); |
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1003 |
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1004 frame.add_method (m_app_context, |
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1005 &application::program_invocation_name, |
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1006 application::program_invocation_name ()); |
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1007 |
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1008 frame.add_method (m_app_context, |
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1009 &application::program_name, |
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1010 application::program_name ()); |
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1011 |
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1012 m_interactive = false; |
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1013 |
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1014 // If we are running an executable script (#! /bin/octave) then |
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1015 // we should only see the args passed to the script. |
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1016 |
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1017 string_vector script_args = options.remaining_args (); |
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1018 |
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1019 m_app_context->intern_argv (script_args); |
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1020 intern_nargin (script_args.numel () - 1); |
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1021 |
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1022 std::string fname = script_args[0]; |
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1023 |
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1024 m_app_context->set_program_names (fname); |
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1025 |
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1026 std::string context; |
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1027 bool verbose = false; |
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1028 bool require_file = true; |
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1029 |
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1030 return safe_source_file (fname, context, verbose, require_file); |
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1031 } |
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1032 |
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1033 int interpreter::main_loop (void) |
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1034 { |
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1035 int exit_status = 0; |
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1036 |
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1037 // The big loop. |
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1038 |
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1039 #if defined (OCTAVE_ENABLE_COMMAND_LINE_PUSH_PARSER) |
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1040 |
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1041 input_reader reader (*this); |
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1042 |
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1043 push_parser repl_parser (*this); |
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1044 |
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1045 #else |
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1046 |
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1047 // The pull parser takes ownership of the lexer and will delete it |
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1048 // when the parser goes out of scope. |
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1049 |
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1050 parser repl_parser (m_interactive |
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1051 ? new lexer (*this) : new lexer (stdin, *this)); |
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1052 |
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1053 #endif |
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1054 |
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1055 do |
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1056 { |
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1057 try |
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1058 { |
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1059 unwind_protect_var<bool> upv (m_in_top_level_repl, true); |
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1060 |
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1061 repl_parser.reset (); |
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1062 |
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1063 if (m_evaluator.at_top_level ()) |
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1064 { |
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1065 m_evaluator.dbstep_flag (0); |
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1066 m_evaluator.reset_debug_state (); |
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1067 } |
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1068 |
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1069 #if defined (OCTAVE_ENABLE_COMMAND_LINE_PUSH_PARSER) |
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1070 |
27528
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1071 std::string prompt |
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1072 = command_editor::decode_prompt_string (m_input_system.PS1 ()); |
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1073 |
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1074 do |
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1075 { |
27545
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1076 // Reset status each time through the read loop so that |
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1077 // it won't be set to -1 and cause us to exit the outer |
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1078 // loop early if there is an exception while reading |
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1079 // input or parsing. |
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1080 |
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1081 exit_status = 0; |
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1082 |
27527
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1083 bool eof = false; |
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1084 std::string input_line = reader.get_input (prompt, eof); |
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1085 |
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1086 if (eof) |
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1087 { |
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1088 exit_status = EOF; |
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1089 break; |
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1090 } |
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1091 |
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1092 exit_status = repl_parser.run (input_line, false); |
27528
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1093 |
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1094 prompt = command_editor::decode_prompt_string (m_input_system.PS2 ()); |
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1095 } |
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1096 while (exit_status < 0); |
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1097 |
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1098 #else |
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1099 |
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1100 exit_status = repl_parser.run (); |
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1101 |
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1102 #endif |
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1103 if (exit_status == 0) |
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1104 { |
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1105 std::shared_ptr<tree_statement_list> |
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1106 stmt_list = repl_parser.statement_list (); |
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1107 |
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1108 if (stmt_list) |
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1109 { |
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1110 command_editor::increment_current_command_number (); |
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1111 |
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1112 m_evaluator.eval (stmt_list, m_interactive); |
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1113 } |
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1114 else if (repl_parser.at_end_of_input ()) |
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1115 { |
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1116 exit_status = EOF; |
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1117 break; |
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1118 } |
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1119 } |
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1120 } |
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1121 catch (const interrupt_exception&) |
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1122 { |
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1123 recover_from_exception (); |
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1124 |
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1125 // Required newline when the user does Ctrl+C at the prompt. |
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1126 if (m_interactive) |
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1127 octave_stdout << "\n"; |
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1128 } |
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1129 catch (const index_exception& e) |
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1130 { |
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1131 recover_from_exception (); |
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1132 |
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1133 std::cerr << "error: unhandled index exception: " |
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1134 << e.message () << " -- trying to return to prompt" |
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1135 << std::endl; |
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1136 } |
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1137 catch (const execution_exception& ee) |
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1138 { |
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1139 m_error_system.save_exception (ee); |
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1140 m_error_system.display_exception (ee, std::cerr); |
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1141 |
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1142 if (m_interactive) |
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1143 recover_from_exception (); |
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1144 else |
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1145 { |
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1146 // We should exit with a nonzero status. |
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1147 exit_status = 1; |
27519
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1148 break; |
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1149 } |
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1150 } |
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1151 catch (const std::bad_alloc&) |
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1152 { |
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1153 recover_from_exception (); |
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1154 |
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1155 std::cerr << "error: out of memory -- trying to return to prompt" |
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1156 << std::endl; |
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1157 } |
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1158 } |
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1159 while (exit_status == 0); |
27519
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1160 |
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1161 if (exit_status == EOF) |
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1162 { |
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1163 if (m_interactive) |
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1164 octave_stdout << "\n"; |
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1165 |
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1166 exit_status = 0; |
27519
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1167 } |
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1168 |
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1169 return exit_status; |
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1170 } |
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1171 |
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1172 // Call a function with exceptions handled to avoid problems with |
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1173 // errors while shutting down. |
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1174 |
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1175 #define OCTAVE_IGNORE_EXCEPTION(E) \ |
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1176 catch (E) \ |
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1177 { \ |
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1178 recover_from_exception (); \ |
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1179 \ |
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1180 std::cerr << "error: ignoring " #E " while preparing to exit" \ |
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1181 << std::endl; \ |
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1182 } |
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1183 |
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1184 #define OCTAVE_SAFE_CALL(F, ARGS) \ |
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1185 do \ |
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1186 { \ |
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1187 try \ |
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1188 { \ |
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1189 unwind_protect frame; \ |
23106
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1190 \ |
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1191 frame.add_method (m_error_system, \ |
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1192 &error_system::set_debug_on_error, \ |
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1193 m_error_system.debug_on_error ()); \ |
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1194 frame.add_method (m_error_system, \ |
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1195 &error_system::set_debug_on_warning, \ |
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1196 m_error_system.debug_on_warning ()); \ |
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1197 \ |
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1198 m_error_system.debug_on_error (false); \ |
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1199 m_error_system.debug_on_warning (false); \ |
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1200 \ |
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1201 F ARGS; \ |
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1202 } \ |
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1203 OCTAVE_IGNORE_EXCEPTION (const exit_exception&) \ |
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1204 OCTAVE_IGNORE_EXCEPTION (const interrupt_exception&) \ |
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1205 OCTAVE_IGNORE_EXCEPTION (const execution_exception&) \ |
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1206 OCTAVE_IGNORE_EXCEPTION (const std::bad_alloc&) \ |
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1207 } \ |
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1208 while (0) |
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1209 |
23087
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|
1210 void interpreter::cleanup (void) |
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1211 { |
23092
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|
1212 // If we are attached to a GUI, process pending events and |
27262
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1213 // disable the link. |
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1214 |
27263
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1215 m_event_manager.process_events (true); |
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1216 m_event_manager.disable (); |
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1217 |
25407
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1218 OCTAVE_SAFE_CALL (m_input_system.clear_input_event_hooks, ()); |
22094
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1219 |
27689
4f32af6abd4b
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1220 // Any atexit functions added after this function call won't be |
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1221 // executed. |
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1222 |
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1223 execute_atexit_fcns (); |
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1224 |
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1225 // Do this explicitly so that destructors for mex file objects |
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1226 // are called, so that functions registered with mexAtExit are |
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1227 // called. |
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1228 OCTAVE_SAFE_CALL (m_symbol_table.clear_mex_functions, ()); |
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1229 |
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1230 OCTAVE_SAFE_CALL (command_editor::restore_terminal_state, ()); |
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1231 |
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f881d3e271d2
eliminate global and file-scope static variables in oct-hist.cc
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1232 OCTAVE_SAFE_CALL (m_history_system.write_timestamp, ()); |
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1233 |
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1234 if (! command_history::ignoring_entries ()) |
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1235 OCTAVE_SAFE_CALL (command_history::clean_up_and_save, ()); |
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1236 |
27335
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1237 OCTAVE_SAFE_CALL (m_gh_manager->close_all_figures, ()); |
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1238 |
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1239 m_gtk_manager.unload_all_toolkits (); |
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1240 |
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1241 // FIXME: May still need something like this to ensure that |
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1242 // destructors for class objects will run properly. Should that be |
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1243 // done earlier? Before or after atexit functions are executed? |
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1244 m_symbol_table.cleanup (); |
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1245 |
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1246 OCTAVE_SAFE_CALL (sysdep_cleanup, ()); |
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1247 |
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1248 OCTAVE_SAFE_CALL (flush_stdout, ()); |
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1249 |
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1250 // Don't call singleton_cleanup_list::cleanup until we have the |
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1251 // problems with registering/unregistering types worked out. For |
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1252 // example, uncomment the following line, then use the make_int |
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1253 // function from the examples directory to create an integer |
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1254 // object and then exit Octave. Octave should crash with a |
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1255 // segfault when cleaning up the typinfo singleton. We need some |
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1256 // way to force new octave_value_X types that are created in |
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1257 // .oct files to be unregistered when the .oct file shared library |
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1258 // is unloaded. |
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1259 // |
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1260 // OCTAVE_SAFE_CALL (singleton_cleanup_list::cleanup, ()); |
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1261 } |
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1262 |
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1263 void interpreter::execute_atexit_fcns (void) |
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1264 { |
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1265 while (! m_atexit_fcns.empty ()) |
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1266 { |
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1267 std::string fcn = m_atexit_fcns.front (); |
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1268 |
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1269 m_atexit_fcns.pop_front (); |
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1270 |
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1271 OCTAVE_SAFE_CALL (feval, (fcn, octave_value_list (), 0)); |
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1272 |
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1273 OCTAVE_SAFE_CALL (flush_stdout, ()); |
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1274 } |
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1275 } |
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1276 |
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1277 tree_evaluator& interpreter::get_evaluator (void) |
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1278 { |
23630
8a47d4735655
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1279 return m_evaluator; |
23532
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1280 } |
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1281 |
23738
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1282 stream_list& interpreter::get_stream_list (void) |
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1283 { |
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1284 return m_stream_list; |
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1285 } |
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1286 |
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1287 url_handle_manager& interpreter::get_url_handle_manager (void) |
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1288 { |
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1289 return m_url_handle_manager; |
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1290 } |
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|
1291 |
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|
1292 symbol_scope |
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1293 interpreter::get_top_scope (void) const |
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1294 { |
26661
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1295 return m_evaluator.get_top_scope (); |
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1296 } |
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|
1297 |
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1298 symbol_scope |
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1299 interpreter::get_current_scope (void) const |
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1300 { |
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1301 return m_evaluator.get_current_scope (); |
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1302 } |
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|
1303 |
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|
1304 symbol_scope |
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1305 interpreter::require_current_scope (const std::string& who) const |
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1306 { |
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1307 symbol_scope scope = get_current_scope (); |
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1308 |
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1309 if (! scope) |
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1310 error ("%s: symbol table scope missing", who.c_str ()); |
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1311 |
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1312 return scope; |
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1313 } |
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1314 |
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1315 profiler& interpreter::get_profiler (void) |
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1316 { |
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1317 return m_evaluator.get_profiler (); |
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1318 } |
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1319 |
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1320 int interpreter::chdir (const std::string& dir) |
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1321 { |
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1322 std::string xdir = sys::file_ops::tilde_expand (dir); |
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1323 |
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1324 int cd_ok = sys::env::chdir (xdir); |
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1325 |
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1326 if (! cd_ok) |
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1327 error ("%s: %s", dir.c_str (), std::strerror (errno)); |
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1328 |
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1329 Vlast_chdir_time.stamp (); |
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1330 |
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1331 // FIXME: should these actions be handled as a list of functions |
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1332 // to call so users can add their own chdir handlers? |
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1333 |
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1334 m_load_path.update (); |
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1335 |
27409
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|
1336 m_event_manager.directory_changed (sys::env::get_current_directory ()); |
27408
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1337 |
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1338 return cd_ok; |
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1339 } |
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1340 |
23703
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|
1341 void interpreter::mlock (void) |
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|
1342 { |
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eliminate direct access to call stack in interpreter::mlock
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|
1343 m_evaluator.mlock (); |
23703
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|
1344 } |
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|
1345 |
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diff
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|
1346 void interpreter::munlock (const std::string& nm) |
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|
1347 { |
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|
1348 octave_value val = m_symbol_table.find_function (nm); |
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|
1349 |
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|
1350 if (val.is_defined ()) |
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|
1351 { |
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|
1352 octave_function *fcn = val.function_value (); |
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|
1353 |
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diff
changeset
|
1354 if (fcn) |
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diff
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|
1355 fcn->unlock (); |
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|
1356 } |
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|
1357 } |
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|
1358 |
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|
1359 bool interpreter::mislocked (const std::string& nm) |
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parents:
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|
1360 { |
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diff
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|
1361 bool retval = false; |
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|
1362 |
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|
1363 octave_value val = m_symbol_table.find_function (nm); |
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|
1364 |
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changeset
|
1365 if (val.is_defined ()) |
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|
1366 { |
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diff
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|
1367 octave_function *fcn = val.function_value (); |
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|
1368 |
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|
1369 if (fcn) |
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|
1370 retval = fcn->islocked (); |
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|
1371 } |
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|
1372 |
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|
1373 return retval; |
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|
1374 } |
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|
1375 |
27015
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diff
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|
1376 std::string interpreter::mfilename (const std::string& opt) const |
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|
1377 { |
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|
1378 return m_evaluator.mfilename (opt); |
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|
1379 } |
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|
1380 |
26113
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|
1381 octave_value_list interpreter::eval_string (const std::string& eval_str, |
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|
1382 bool silent, int& parse_status, |
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|
1383 int nargout) |
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|
1384 { |
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diff
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|
1385 return m_evaluator.eval_string (eval_str, silent, parse_status, nargout); |
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|
1386 } |
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diff
changeset
|
1387 |
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changeset
|
1388 octave_value interpreter::eval_string (const std::string& eval_str, |
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|
1389 bool silent, int& parse_status) |
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|
1390 { |
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|
1391 return m_evaluator.eval_string (eval_str, silent, parse_status); |
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|
1392 } |
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diff
changeset
|
1393 |
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diff
changeset
|
1394 octave_value_list interpreter::eval_string (const octave_value& arg, |
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|
1395 bool silent, int& parse_status, |
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|
1396 int nargout) |
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diff
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|
1397 { |
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diff
changeset
|
1398 return m_evaluator.eval_string (arg, silent, parse_status, nargout); |
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diff
changeset
|
1399 } |
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diff
changeset
|
1400 |
27019
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diff
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|
1401 octave_value_list interpreter::eval (const std::string& try_code, |
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diff
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|
1402 int nargout) |
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|
1403 { |
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diff
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|
1404 return m_evaluator.eval (try_code, nargout); |
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|
1405 } |
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|
1406 |
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diff
changeset
|
1407 octave_value_list interpreter::eval (const std::string& try_code, |
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|
1408 const std::string& catch_code, |
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diff
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|
1409 int nargout) |
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diff
changeset
|
1410 { |
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diff
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|
1411 return m_evaluator.eval (try_code, catch_code, nargout); |
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diff
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|
1412 } |
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diff
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|
1413 |
27018
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|
1414 octave_value_list interpreter::evalin (const std::string& context, |
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diff
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|
1415 const std::string& try_code, |
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|
1416 int nargout) |
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|
1417 { |
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|
1418 return m_evaluator.evalin (context, try_code, nargout); |
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diff
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|
1419 } |
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changeset
|
1420 |
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diff
changeset
|
1421 octave_value_list interpreter::evalin (const std::string& context, |
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|
1422 const std::string& try_code, |
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|
1423 const std::string& catch_code, |
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|
1424 int nargout) |
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|
1425 { |
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|
1426 return m_evaluator.evalin (context, try_code, catch_code, nargout); |
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|
1427 } |
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|
1428 |
27020
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|
1429 //! Evaluate an Octave function (built-in or interpreted) and return |
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diff
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|
1430 //! the list of result values. |
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|
1431 //! |
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|
1432 //! @param name The name of the function to call. |
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|
1433 //! @param args The arguments to the function. |
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|
1434 //! @param nargout The number of output arguments expected. |
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|
1435 //! @return A list of output values. The length of the list is not |
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|
1436 //! necessarily the same as @c nargout. |
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|
1437 |
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|
1438 octave_value_list interpreter::feval (const char *name, |
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|
1439 const octave_value_list& args, |
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|
1440 int nargout) |
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|
1441 { |
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|
1442 return feval (std::string (name), args, nargout); |
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|
1443 } |
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|
1444 |
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|
1445 octave_value_list interpreter::feval (const std::string& name, |
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|
1446 const octave_value_list& args, |
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|
1447 int nargout) |
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|
1448 { |
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|
1449 octave_value fcn = m_symbol_table.find_function (name, args); |
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|
1450 |
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|
1451 if (fcn.is_undefined ()) |
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|
1452 error ("feval: function '%s' not found", name.c_str ()); |
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|
1453 |
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|
1454 octave_function *of = fcn.function_value (); |
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changeset
|
1455 |
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changeset
|
1456 return of->call (m_evaluator, nargout, args); |
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|
1457 } |
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diff
changeset
|
1458 |
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|
1459 octave_value_list interpreter::feval (octave_function *fcn, |
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|
1460 const octave_value_list& args, |
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1461 int nargout) |
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1462 { |
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1463 if (fcn) |
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1464 return fcn->call (m_evaluator, nargout, args); |
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1465 |
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1466 return octave_value_list (); |
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1467 } |
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1468 |
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1469 octave_value_list interpreter::feval (const octave_value& val, |
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1470 const octave_value_list& args, |
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1471 int nargout) |
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1472 { |
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1473 // FIXME: do we really want to silently return an empty ovl if |
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1474 // the function object is undefined? It's essentially what the |
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1475 // version above that accepts a pointer to an octave_function |
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1476 // object does and some code was apparently written to rely on it |
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1477 // (for example, __ode15__). |
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1478 |
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1479 if (val.is_undefined ()) |
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1480 return ovl (); |
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1481 |
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1482 if (val.is_function ()) |
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1483 { |
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1484 return feval (val.function_value (), args, nargout); |
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1485 } |
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1486 else if (val.is_function_handle ()) |
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1487 { |
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1488 // This covers function handles, inline functions, and anonymous |
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1489 // functions. |
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1490 |
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1491 std::list<octave_value_list> arg_list; |
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1492 arg_list.push_back (args); |
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1493 |
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1494 // FIXME: could we make octave_value::subsref a const method? |
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1495 // It would be difficult because there are instances of |
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1496 // incrementing the reference count inside subsref methods, |
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1497 // which means they can't be const with the current way of |
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1498 // handling reference counting. |
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1499 |
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1500 octave_value xval = val; |
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1501 return xval.subsref ("(", arg_list, nargout); |
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1502 } |
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1503 else if (val.is_string ()) |
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1504 { |
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1505 return feval (val.string_value (), args, nargout); |
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1506 } |
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1507 else |
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1508 error ("feval: first argument must be a string, inline function, or a function handle"); |
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1509 |
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1510 return ovl (); |
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1511 } |
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1512 |
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1513 //! Evaluate an Octave function (built-in or interpreted) and return |
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1514 //! the list of result values. |
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1515 //! |
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1516 //! @param args The first element of @c args is the function to call. |
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1517 //! It may be the name of the function as a string, a function |
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1518 //! handle, or an inline function. The remaining arguments are |
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1519 //! passed to the function. |
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1520 //! @param nargout The number of output arguments expected. |
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1521 //! @return A list of output values. The length of the list is not |
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1522 //! necessarily the same as @c nargout. |
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1523 |
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1524 octave_value_list interpreter::feval (const octave_value_list& args, |
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1525 int nargout) |
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1526 { |
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1527 if (args.length () == 0) |
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1528 error ("feval: first argument must be a string, inline function, or a function handle"); |
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1529 |
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1530 octave_value f_arg = args(0); |
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1531 |
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1532 octave_value_list tmp_args = args.slice (1, args.length () - 1, true); |
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1533 |
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1534 return feval (f_arg, tmp_args, nargout); |
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1535 } |
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1536 |
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1537 void interpreter::install_variable (const std::string& name, |
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1538 const octave_value& value, bool global) |
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1539 { |
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|
1540 m_evaluator.install_variable (name, value, global); |
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1541 } |
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1542 |
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1543 octave_value interpreter::global_varval (const std::string& name) const |
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1544 { |
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1545 return m_evaluator.global_varval (name); |
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1546 } |
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|
1547 |
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1548 void interpreter::global_assign (const std::string& name, |
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1549 const octave_value& val) |
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1550 { |
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|
1551 m_evaluator.global_assign (name, val); |
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1552 } |
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|
1553 |
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1554 octave_value interpreter::top_level_varval (const std::string& name) const |
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1555 { |
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1556 return m_evaluator.top_level_varval (name); |
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1557 } |
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|
1558 |
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|
1559 void interpreter::top_level_assign (const std::string& name, |
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1560 const octave_value& val) |
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1561 { |
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|
1562 m_evaluator.top_level_assign (name, val); |
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1563 } |
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|
1564 |
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1565 bool interpreter::is_variable (const std::string& name) const |
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1566 { |
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1567 return m_evaluator.is_variable (name); |
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1568 } |
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|
1569 |
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1570 bool interpreter::is_local_variable (const std::string& name) const |
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1571 { |
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1572 return m_evaluator.is_local_variable (name); |
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1573 } |
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1574 |
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1575 octave_value interpreter::varval (const std::string& name) const |
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1576 { |
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1577 return m_evaluator.varval (name); |
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1578 } |
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1579 |
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1580 void interpreter::assign (const std::string& name, |
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1581 const octave_value& val) |
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1582 { |
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|
1583 m_evaluator.assign (name, val); |
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|
1584 } |
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move variable values from symbol_record objects to stack_frame objects
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|
1585 |
27014
daab1b311a98
move core of assignin function to evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1586 void interpreter::assignin (const std::string& context, |
daab1b311a98
move core of assignin function to evaluator
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diff
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|
1587 const std::string& name, |
daab1b311a98
move core of assignin function to evaluator
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diff
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|
1588 const octave_value& val) |
daab1b311a98
move core of assignin function to evaluator
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diff
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|
1589 { |
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move core of assignin function to evaluator
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diff
changeset
|
1590 m_evaluator.assignin (context, name, val); |
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move core of assignin function to evaluator
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diff
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|
1591 } |
daab1b311a98
move core of assignin function to evaluator
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1592 |
27017
24b7e6326e26
move parse_fcn_file to interpreter; source_file to evaluator
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1593 void interpreter::source_file (const std::string& file_name, |
24b7e6326e26
move parse_fcn_file to interpreter; source_file to evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1594 const std::string& context, bool verbose, |
27507
2d537a089e5d
eliminate warn_for argument for source_file and parse_fcn_file functions
John W. Eaton <jwe@octave.org>
parents:
27506
diff
changeset
|
1595 bool require_file) |
27017
24b7e6326e26
move parse_fcn_file to interpreter; source_file to evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1596 { |
27507
2d537a089e5d
eliminate warn_for argument for source_file and parse_fcn_file functions
John W. Eaton <jwe@octave.org>
parents:
27506
diff
changeset
|
1597 m_evaluator.source_file (file_name, context, verbose, require_file); |
27017
24b7e6326e26
move parse_fcn_file to interpreter; source_file to evaluator
John W. Eaton <jwe@octave.org>
parents:
27016
diff
changeset
|
1598 } |
24b7e6326e26
move parse_fcn_file to interpreter; source_file to evaluator
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1599 |
26661
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
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diff
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|
1600 bool interpreter::at_top_level (void) const |
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|
1601 { |
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move variable values from symbol_record objects to stack_frame objects
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diff
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|
1602 return m_evaluator.at_top_level (); |
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|
1603 } |
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|
1604 |
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diff
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|
1605 bool interpreter::isglobal (const std::string& name) const |
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move variable values from symbol_record objects to stack_frame objects
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|
1606 { |
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move variable values from symbol_record objects to stack_frame objects
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|
1607 return m_evaluator.is_global (name); |
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diff
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|
1608 } |
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diff
changeset
|
1609 |
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diff
changeset
|
1610 octave_value interpreter::find (const std::string& name) |
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move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1611 { |
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changeset
|
1612 return m_evaluator.find (name); |
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diff
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|
1613 } |
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diff
changeset
|
1614 |
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diff
changeset
|
1615 void interpreter::clear_all (bool force) |
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|
1616 { |
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changeset
|
1617 m_evaluator.clear_all (force); |
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|
1618 } |
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diff
changeset
|
1619 |
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changeset
|
1620 void interpreter::clear_objects (void) |
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diff
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|
1621 { |
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diff
changeset
|
1622 m_evaluator.clear_objects (); |
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diff
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|
1623 } |
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1624 |
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diff
changeset
|
1625 void interpreter::clear_variable (const std::string& name) |
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1626 { |
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move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1627 m_evaluator.clear_variable (name); |
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parents:
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diff
changeset
|
1628 } |
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move variable values from symbol_record objects to stack_frame objects
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parents:
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diff
changeset
|
1629 |
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1630 void interpreter::clear_variable_pattern (const std::string& pattern) |
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move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1631 { |
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move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1632 m_evaluator.clear_variable_pattern (pattern); |
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1633 } |
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move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1634 |
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1635 void interpreter::clear_variable_regexp (const std::string& pattern) |
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1636 { |
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move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1637 m_evaluator.clear_variable_regexp (pattern); |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1638 } |
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move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1639 |
cf9e10ce3351
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John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1640 void interpreter::clear_variables (void) |
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move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
26376
diff
changeset
|
1641 { |
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move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1642 m_evaluator.clear_variables (); |
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move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1643 } |
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move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1644 |
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move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1645 void interpreter::clear_global_variable (const std::string& name) |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
26376
diff
changeset
|
1646 { |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1647 m_evaluator.clear_global_variable (name); |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
26376
diff
changeset
|
1648 } |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1649 |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
26376
diff
changeset
|
1650 void interpreter::clear_global_variable_pattern (const std::string& pattern) |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
26376
diff
changeset
|
1651 { |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
26376
diff
changeset
|
1652 m_evaluator.clear_global_variable_pattern (pattern); |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
26376
diff
changeset
|
1653 } |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
26376
diff
changeset
|
1654 |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
26376
diff
changeset
|
1655 void interpreter::clear_global_variable_regexp (const std::string& pattern) |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
26376
diff
changeset
|
1656 { |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
26376
diff
changeset
|
1657 m_evaluator.clear_global_variable_regexp (pattern); |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
26376
diff
changeset
|
1658 } |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
26376
diff
changeset
|
1659 |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
26376
diff
changeset
|
1660 void interpreter::clear_global_variables (void) |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
26376
diff
changeset
|
1661 { |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
26376
diff
changeset
|
1662 m_evaluator.clear_global_variables (); |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
26376
diff
changeset
|
1663 } |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1664 |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1665 void interpreter::clear_functions (bool force) |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
26376
diff
changeset
|
1666 { |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1667 m_symbol_table.clear_functions (force); |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1668 } |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1669 |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1670 void interpreter::clear_function (const std::string& name) |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
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parents:
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diff
changeset
|
1671 { |
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move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
1672 m_symbol_table.clear_function (name); |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1673 } |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1674 |
cf9e10ce3351
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John W. Eaton <jwe@octave.org>
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diff
changeset
|
1675 void interpreter::clear_symbol (const std::string& name) |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
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parents:
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diff
changeset
|
1676 { |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1677 m_evaluator.clear_symbol (name); |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1678 } |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1679 |
cf9e10ce3351
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diff
changeset
|
1680 void interpreter::clear_function_pattern (const std::string& pat) |
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move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1681 { |
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move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1682 m_symbol_table.clear_function_pattern (pat); |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1683 } |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1684 |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1685 void interpreter::clear_function_regexp (const std::string& pat) |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1686 { |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1687 m_symbol_table.clear_function_regexp (pat); |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1688 } |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1689 |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1690 void interpreter::clear_symbol_pattern (const std::string& pat) |
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move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1691 { |
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move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1692 return m_evaluator.clear_symbol_pattern (pat); |
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move variable values from symbol_record objects to stack_frame objects
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changeset
|
1693 } |
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move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1694 |
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move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1695 void interpreter::clear_symbol_regexp (const std::string& pat) |
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move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1696 { |
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move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1697 return m_evaluator.clear_symbol_regexp (pat); |
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move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1698 } |
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move variable values from symbol_record objects to stack_frame objects
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diff
changeset
|
1699 |
cf9e10ce3351
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John W. Eaton <jwe@octave.org>
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changeset
|
1700 std::list<std::string> interpreter::global_variable_names (void) |
cf9e10ce3351
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changeset
|
1701 { |
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move variable values from symbol_record objects to stack_frame objects
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changeset
|
1702 return m_evaluator.global_variable_names (); |
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
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diff
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|
1703 } |
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move variable values from symbol_record objects to stack_frame objects
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diff
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|
1704 |
27594
e091e09d26f0
restore some symbol table functions for backward compatibility
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27593
diff
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|
1705 std::list<std::string> interpreter::top_level_variable_names (void) |
e091e09d26f0
restore some symbol table functions for backward compatibility
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parents:
27593
diff
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|
1706 { |
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restore some symbol table functions for backward compatibility
John W. Eaton <jwe@octave.org>
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diff
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|
1707 return m_evaluator.top_level_variable_names (); |
e091e09d26f0
restore some symbol table functions for backward compatibility
John W. Eaton <jwe@octave.org>
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27593
diff
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|
1708 } |
e091e09d26f0
restore some symbol table functions for backward compatibility
John W. Eaton <jwe@octave.org>
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27593
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|
1709 |
26661
cf9e10ce3351
move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
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|
1710 std::list<std::string> interpreter::variable_names (void) |
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move variable values from symbol_record objects to stack_frame objects
John W. Eaton <jwe@octave.org>
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diff
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|
1711 { |
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move variable values from symbol_record objects to stack_frame objects
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|
1712 return m_evaluator.variable_names (); |
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John W. Eaton <jwe@octave.org>
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diff
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|
1713 } |
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John W. Eaton <jwe@octave.org>
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|
1714 |
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John W. Eaton <jwe@octave.org>
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|
1715 std::list<std::string> interpreter::user_function_names (void) |
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John W. Eaton <jwe@octave.org>
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|
1716 { |
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|
1717 return m_symbol_table.user_function_names (); |
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|
1718 } |
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John W. Eaton <jwe@octave.org>
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|
1719 |
27016
9b261300a001
move file-scope static autoload map variable and functions to evaluator
John W. Eaton <jwe@octave.org>
parents:
27015
diff
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|
1720 std::list<std::string> interpreter::autoloaded_functions (void) const |
9b261300a001
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John W. Eaton <jwe@octave.org>
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diff
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|
1721 { |
9b261300a001
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|
1722 return m_evaluator.autoloaded_functions (); |
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John W. Eaton <jwe@octave.org>
parents:
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diff
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|
1723 } |
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move file-scope static autoload map variable and functions to evaluator
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parents:
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diff
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|
1724 |
27471 | 1725 void interpreter::handle_exception (const execution_exception& e) |
1726 { | |
1727 m_error_system.save_exception (e); | |
1728 | |
1729 // FIXME: use a separate stream instad of std::cerr directly so that | |
1730 // error messages can be redirected more easily? Pass the message | |
1731 // to an event manager function? | |
1732 m_error_system.display_exception (e, std::cerr); | |
1733 | |
1734 recover_from_exception (); | |
1735 } | |
1736 | |
23111
252975fdc444
more refactoring of interpreter and application classes
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
1737 void interpreter::recover_from_exception (void) |
23110
af48d8be62b3
move recover_from_exception and atexit functions inside octave namespace
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|
1738 { |
23696
08036a7f3660
remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
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|
1739 can_interrupt = true; |
23110
af48d8be62b3
move recover_from_exception and atexit functions inside octave namespace
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|
1740 octave_interrupt_state = 0; |
af48d8be62b3
move recover_from_exception and atexit functions inside octave namespace
John W. Eaton <jwe@octave.org>
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diff
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|
1741 octave_signal_caught = 0; |
af48d8be62b3
move recover_from_exception and atexit functions inside octave namespace
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|
1742 octave_restore_signal_mask (); |
23696
08036a7f3660
remove octave:: namespace tag from symbols used inside octave namespace
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|
1743 catch_interrupts (); |
23110
af48d8be62b3
move recover_from_exception and atexit functions inside octave namespace
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|
1744 } |
22094
9203833cab7d
move new interpreter class to separate file
John W. Eaton <jwe@octave.org>
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|
1745 |
27542
b8aa62c1deb5
eliminate global tmp_files variable
John W. Eaton <jwe@octave.org>
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27532
diff
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|
1746 void interpreter::mark_for_deletion (const std::string& file) |
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27532
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|
1747 { |
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1748 m_tmp_files.insert (file); |
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|
1749 } |
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|
1750 |
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diff
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|
1751 void interpreter::cleanup_tmp_files (void) |
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|
1752 { |
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|
1753 m_tmp_files.cleanup (); |
b8aa62c1deb5
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|
1754 } |
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diff
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|
1755 |
27588
f0e3f3e28a8e
move qt_interpreter_events object from interpreter_qobject to octave_qobject
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diff
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|
1756 void interpreter::quit (int exit_status, bool force, bool confirm) |
27587
494d6243c188
improve compatibility of quit function
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diff
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|
1757 { |
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diff
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|
1758 if (! force) |
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|
1759 { |
494d6243c188
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|
1760 try |
494d6243c188
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|
1761 { |
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|
1762 bool cancel = false; |
494d6243c188
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|
1763 |
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|
1764 if (symbol_exist ("finish.m", "file")) |
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|
1765 { |
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John W. Eaton <jwe@octave.org>
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diff
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|
1766 unwind_protect_var<bool> upv1 (m_executing_finish_script, true); |
494d6243c188
improve compatibility of quit function
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|
1767 unwind_protect_var<bool> upv2 (m_cancel_quit); |
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improve compatibility of quit function
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|
1768 |
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|
1769 evalin ("base", "finish", 0); |
494d6243c188
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|
1770 |
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diff
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|
1771 cancel = m_cancel_quit; |
494d6243c188
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|
1772 } |
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|
1773 |
494d6243c188
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|
1774 if (cancel) |
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diff
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|
1775 return; |
494d6243c188
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|
1776 |
494d6243c188
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diff
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|
1777 // Check for confirmation. |
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|
1778 |
27588
f0e3f3e28a8e
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diff
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|
1779 if (confirm && ! m_event_manager.confirm_shutdown ()) |
27587
494d6243c188
improve compatibility of quit function
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|
1780 return; |
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improve compatibility of quit function
John W. Eaton <jwe@octave.org>
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diff
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|
1781 } |
27592
637279c8caba
* intepreter.cc (interpreter::quit): Fix exception handling logic.
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27591
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|
1782 catch (const execution_exception&) |
27587
494d6243c188
improve compatibility of quit function
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diff
changeset
|
1783 { |
27592
637279c8caba
* intepreter.cc (interpreter::quit): Fix exception handling logic.
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parents:
27591
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|
1784 // Catch execution_exceptions so we don't throw an |
637279c8caba
* intepreter.cc (interpreter::quit): Fix exception handling logic.
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|
1785 // exit_exception if there is an in finish.m. But throw it |
637279c8caba
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|
1786 // again so that will be handled as any other |
637279c8caba
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1787 // execution_exception by the evaluator. This way, errors |
637279c8caba
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|
1788 // will be ignored properly and we won't exit if quit is |
637279c8caba
* intepreter.cc (interpreter::quit): Fix exception handling logic.
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changeset
|
1789 // called recursively from finish.m. |
27587
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diff
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|
1790 |
27592
637279c8caba
* intepreter.cc (interpreter::quit): Fix exception handling logic.
John W. Eaton <jwe@octave.org>
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diff
changeset
|
1791 throw; |
27587
494d6243c188
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|
1792 } |
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diff
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|
1793 } |
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|
1794 |
494d6243c188
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|
1795 throw exit_exception (exit_status); |
494d6243c188
improve compatibility of quit function
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diff
changeset
|
1796 } |
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|
1797 |
27689
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|
1798 void interpreter::add_atexit_fcn (const std::string& fname) |
23110
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move recover_from_exception and atexit functions inside octave namespace
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|
1799 { |
27689
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|
1800 m_atexit_fcns.push_front (fname); |
23110
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1801 } |
22094
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|
1802 |
27689
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|
1803 bool interpreter::remove_atexit_fcn (const std::string& fname) |
23110
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1804 { |
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1805 bool found = false; |
22094
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1806 |
27689
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|
1807 for (auto it = m_atexit_fcns.begin (); |
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1808 it != m_atexit_fcns.end (); it++) |
23110
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1809 { |
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1810 if (*it == fname) |
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1811 { |
27689
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|
1812 m_atexit_fcns.erase (it); |
23110
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1813 found = true; |
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1814 break; |
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1815 } |
22094
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1816 } |
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|
1817 |
23110
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1818 return found; |
22094
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|
1819 } |
23723
ab8831d346c1
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|
1820 |
27689
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1821 void interpreter::add_atexit_function (const std::string& fname) |
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|
1822 { |
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1823 interpreter& interp |
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|
1824 = __get_interpreter__ ("interpreter::add_atexit_function"); |
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1825 |
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1826 interp.add_atexit_fcn (fname); |
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1827 } |
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1828 |
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|
1829 bool interpreter::remove_atexit_function (const std::string& fname) |
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1830 { |
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1831 interpreter& interp |
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|
1832 = __get_interpreter__ ("interpreter::remove_atexit_function"); |
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1833 |
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1834 return interp.remove_atexit_fcn (fname); |
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1835 } |
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1836 |
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1837 // What internal options get configured by --traditional. |
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1838 |
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1839 void interpreter::maximum_braindamage (void) |
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1840 { |
25407
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1841 m_input_system.PS1 (">> "); |
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1842 m_input_system.PS2 (""); |
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1843 |
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1844 m_evaluator.PS4 (""); |
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1845 |
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1846 m_load_save_system.crash_dumps_octave_core (false); |
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1847 m_load_save_system.save_default_options ("-mat-binary"); |
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1848 |
25994
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1849 m_history_system.timestamp_format_string ("%%-- %D %I:%M %p --%%"); |
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1850 |
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1851 m_error_system.beep_on_error (true); |
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1852 Fconfirm_recursive_rmdir (octave_value (false)); |
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1853 |
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1854 Fdisable_diagonal_matrix (octave_value (true)); |
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1855 Fdisable_permutation_matrix (octave_value (true)); |
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1856 Fdisable_range (octave_value (true)); |
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1857 Ffixed_point_format (octave_value (true)); |
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1858 Fprint_empty_dimensions (octave_value (false)); |
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1859 Fstruct_levels_to_print (octave_value (0)); |
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1860 |
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1861 disable_warning ("Octave:abbreviated-property-match"); |
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1862 disable_warning ("Octave:colon-nonscalar-argument"); |
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1863 disable_warning ("Octave:data-file-in-path"); |
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1864 disable_warning ("Octave:function-name-clash"); |
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1865 disable_warning ("Octave:possible-matlab-short-circuit-operator"); |
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1866 } |
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1867 |
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1868 void interpreter::execute_pkg_add (const std::string& dir) |
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1869 { |
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1870 try |
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1871 { |
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1872 m_load_path.execute_pkg_add (dir); |
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1873 } |
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1874 catch (const interrupt_exception&) |
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1875 { |
27474
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1876 recover_from_exception (); |
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1877 } |
27471 | 1878 catch (const execution_exception& e) |
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1879 { |
27471 | 1880 handle_exception (e); |
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1881 } |
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1882 } |
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1883 } |