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update Octave Project Developers copyright for the new year In files that have the "Octave Project Developers" copyright notice, update for 2020.
author John W. Eaton <jwe@octave.org>
date Mon, 06 Jan 2020 22:29:51 -0500
parents b442ec6dda5c
children bd51beb6205e
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1 /*
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2
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1891570abac8 update Octave Project Developers copyright for the new year
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3 Copyright (C) 1993-2020 The Octave Project Developers
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4
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5 See the file COPYRIGHT.md in the top-level directory of this distribution
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6 or <https://octave.org/COPYRIGHT.html/>.
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7
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9 This file is part of Octave.
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10
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11 Octave is free software: you can redistribute it and/or modify it
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12 under the terms of the GNU General Public License as published by
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13 the Free Software Foundation, either version 3 of the License, or
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14 (at your option) any later version.
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15
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16 Octave is distributed in the hope that it will be useful, but
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17 WITHOUT ANY WARRANTY; without even the implied warranty of
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18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 GNU General Public License for more details.
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21 You should have received a copy of the GNU General Public License
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22 along with Octave; see the file COPYING. If not, see
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23 <https://www.gnu.org/licenses/>.
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25 */
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26
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27 #if ! defined (octave_error_h)
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28 #define octave_error_h 1
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29
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30 #include "octave-config.h"
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31
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32 #include <cstdarg>
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33 #include <cinttypes>
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34 #include <string>
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35
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36 #include "unwind-prot.h"
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37
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38 #include "oct-map.h"
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39
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40 class octave_value_list;
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41 namespace octave
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42 {
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43 class execution_exception;
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44 }
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45
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46 namespace octave
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47 {
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48 class error_system
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49 {
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50 public:
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51
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52 error_system (interpreter& interp);
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53
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54 error_system (const error_system&) = delete;
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55
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56 error_system& operator = (const error_system&) = delete;
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57
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58 ~error_system (void) = default;
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59
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60 octave_value debug_on_error (const octave_value_list& args, int nargout);
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61
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62 void set_debug_on_error (bool flag) { m_debug_on_error = flag; }
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63
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64 bool debug_on_error (void) const { return m_debug_on_error; }
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65
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66 bool debug_on_error (bool flag)
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67 {
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68 bool val = m_debug_on_error;
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69 m_debug_on_error = flag;
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70 return val;
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71 }
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72
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73 octave_value debug_on_caught (const octave_value_list& args, int nargout);
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74
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75 void set_debug_on_caught (bool flag) { m_debug_on_caught = flag; }
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76
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77 bool debug_on_caught (void) const { return m_debug_on_caught; }
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78
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79 bool debug_on_caught (bool flag)
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80 {
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81 bool val = m_debug_on_caught;
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82 m_debug_on_caught = flag;
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83 return val;
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84 }
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85
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86 octave_value debug_on_warning (const octave_value_list& args, int nargout);
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87
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88 void set_debug_on_warning (bool flag) { m_debug_on_warning = flag; }
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89
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90 bool debug_on_warning (void) const { return m_debug_on_warning; }
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91
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92 bool debug_on_warning (bool flag)
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93 {
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94 bool val = m_debug_on_warning;
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95 m_debug_on_warning = flag;
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96 return val;
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97 }
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98
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99 octave_value discard_warning_messages (const octave_value_list& args, int nargout);
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100
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101 void set_discard_warning_messages (bool flag) { m_discard_warning_messages = flag; }
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102
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103 bool discard_warning_messages (void) const { return m_discard_warning_messages; }
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104
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105 bool discard_warning_messages (bool flag)
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106 {
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107 bool val = m_discard_warning_messages;
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108 m_discard_warning_messages = flag;
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109 return val;
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110 }
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111
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112 octave_value beep_on_error (const octave_value_list& args, int nargout);
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113
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114 void set_beep_on_error (bool flag) { m_beep_on_error = flag; }
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115
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116 bool beep_on_error (void) const { return m_beep_on_error; }
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117
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118 bool beep_on_error (bool flag)
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119 {
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120 bool val = m_beep_on_error;
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121 m_beep_on_error = flag;
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122 return val;
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123 }
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124
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125 octave_value backtrace_on_warning (const octave_value_list& args, int nargout);
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126
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127 void set_backtrace_on_warning (bool flag) { m_backtrace_on_warning = flag; }
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128
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129 bool backtrace_on_warning (void) const { return m_backtrace_on_warning; }
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130
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131 bool backtrace_on_warning (bool flag)
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132 {
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133 bool val = m_backtrace_on_warning;
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134 m_backtrace_on_warning = flag;
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135 return val;
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136 }
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137
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138 octave_value verbose_warning (const octave_value_list& args, int nargout);
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139
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140 void set_verbose_warning (bool flag) { m_verbose_warning = flag; }
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141
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142 bool verbose_warning (void) const { return m_verbose_warning; }
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143
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144 bool verbose_warning (bool flag)
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145 {
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146 bool val = m_verbose_warning;
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147 m_verbose_warning = flag;
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148 return val;
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149 }
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150
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151 octave_value quiet_warning (const octave_value_list& args, int nargout);
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152
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153 void set_quiet_warning (bool flag) { m_quiet_warning = flag; }
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154
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155 bool quiet_warning (void) const { return m_quiet_warning; }
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156
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157 bool quiet_warning (bool flag)
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158 {
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159 bool val = m_quiet_warning;
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160 m_quiet_warning = flag;
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161 return val;
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162 }
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163
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164 octave_map warning_options (void) const { return m_warning_options; }
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165
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166 void set_warning_options (const octave_map& val) { m_warning_options = val; }
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167
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168 octave_map warning_options (const octave_map& new_val)
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169 {
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170 octave_map val = m_warning_options;
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171 m_warning_options = new_val;
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172 return val;
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173 }
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174
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175 octave_value last_error_message (const octave_value_list& args, int nargout);
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176
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177 void set_last_error_message (const std::string& val) { m_last_error_message = val; }
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178
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179 std::string last_error_message (void) const { return m_last_error_message; }
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180
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181 std::string last_error_message (const std::string& s)
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182 {
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183 std::string val = m_last_error_message;
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184 m_last_error_message = s;
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185 return val;
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186 }
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187
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188 octave_value last_warning_message (const octave_value_list& args, int nargout);
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189
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190 void set_last_warning_message (const std::string& val) { m_last_warning_message = val; }
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191
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192 std::string last_warning_message (void) const { return m_last_warning_message; }
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193
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194 std::string last_warning_message (const std::string& s)
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195 {
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196 std::string val = m_last_warning_message;
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197 m_last_warning_message = s;
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198 return val;
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199 }
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200
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201 octave_value last_warning_id (const octave_value_list& args, int nargout);
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202
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203 void set_last_warning_id (const std::string& val) { m_last_warning_id = val; }
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204
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205 std::string last_warning_id (void) const { return m_last_warning_id; }
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206
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207 std::string last_warning_id (const std::string& s)
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208 {
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209 std::string val = m_last_warning_id;
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210 m_last_warning_id = s;
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211 return val;
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212 }
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213
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214 octave_value last_error_id (const octave_value_list& args, int nargout);
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215
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216 void set_last_error_id (const std::string& val) { m_last_error_id = val; }
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217
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218 std::string last_error_id (void) const { return m_last_error_id; }
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219
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220 std::string last_error_id (const std::string& s)
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221 {
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222 std::string val = m_last_error_id;
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223 m_last_error_id = s;
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224 return val;
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225 }
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226
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227 void set_last_error_stack (const octave_map& val)
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228 {
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229 m_last_error_stack = val;
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230 }
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231
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232 octave_map last_error_stack (void) const { return m_last_error_stack; }
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233
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234 octave_map last_error_stack (const octave_map& new_val)
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235 {
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236 octave_map val = m_last_error_stack;
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237 m_last_error_stack = new_val;
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238 return val;
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239 }
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240
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241 static octave_map
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242 make_stack_map (const std::list<octave::frame_info>& frames);
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243
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244 static std::list<octave::frame_info>
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245 make_stack_frame_list (const octave_map& stack);
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246
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247 //! For given warning ID, return 0 if warnings are disabled, 1 if
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248 //! enabled, and 2 if the given ID should be an error instead of a
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249 //! warning.
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250
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251 int warning_enabled (const std::string& id);
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252
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253 void verror (bool save_last_error, std::ostream& os, const char *name,
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254 const char *id, const char *fmt, va_list args,
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255 bool with_cfn = false);
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256
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257 void vwarning (const char *name, const char *id, const char *fmt,
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258 va_list args);
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259
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260 OCTAVE_NORETURN
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261 void error_1 (execution_exception& e, const char *id, const char *fmt,
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262 va_list args);
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263
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264 OCTAVE_NORETURN
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265 void error_1 (const char *id, const char *fmt, va_list args);
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266
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267 OCTAVE_NORETURN
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268 void vusage (const char *id, const char *fmt, va_list args);
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269
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270 void vwarning (const char *id, const char *fmt, va_list args);
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271
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272 OCTAVE_NORETURN
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273 void rethrow_error (const std::string& id, const std::string& msg,
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274 const octave_map& stack);
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275
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276 OCTAVE_NORETURN
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277 void vpanic (const char *fmt, va_list args);
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278
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279 OCTAVE_NORETURN
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280 void panic (const char *fmt, ...);
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281
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282 octave_scalar_map warning_query (const std::string& id_arg);
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283
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284 std::string default_warning_state (void);
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285
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286 void display_warning_options (std::ostream& os);
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287
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288 void set_warning_option (const std::string& state, const std::string& id);
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289
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290 void disable_warning (const std::string& id);
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291
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292 void initialize_default_warning_state (void);
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293
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294 void interpreter_try (octave::unwind_protect& frame);
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295
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296 // Throw execution_exception or, if debug_on_error is TRUE, enter
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297 // debugger. If stack_info is empty, use current call stack.
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298
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299 OCTAVE_NORETURN
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300 void throw_error (const std::string& err_type,
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301 const std::string& id,
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302 const std::string& message,
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303 const std::list<frame_info>& stack_info
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304 = std::list<frame_info> ());
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305
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306 OCTAVE_NORETURN
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307 void throw_error (execution_exception& e);
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308
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309 void save_exception (const execution_exception& e);
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310
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311 void display_exception (const execution_exception& e,
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312 std::ostream& os) const;
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313
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314 private:
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315
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316 interpreter& m_interpreter;
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317
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318 //! TRUE means that Octave will try to enter the debugger when an error
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319 //! is encountered. This will also inhibit printing of the normal
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320 //! traceback message (you will only see the top-level error message).
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321
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322 bool m_debug_on_error;
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323
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324 //! TRUE means that Octave will try to enter the debugger when an error
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325 //! is encountered within the 'try' section of a 'try' / 'catch' block.
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326
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327 bool m_debug_on_caught;
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328
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329 //! TRUE means that Octave will try to enter the debugger when a warning
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330 //! is encountered.
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331
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332 bool m_debug_on_warning;
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333
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334 //! TRUE means warning messages are turned off.
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335
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336 bool m_discard_warning_messages;
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337
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338 //! TRUE means that Octave will try to beep obnoxiously before
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339 //! printing error messages.
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340 bool m_beep_on_error;
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341
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342 //! TRUE means that Octave will try to display a stack trace when a
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343 //! warning is encountered.
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344 bool m_backtrace_on_warning;
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345
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346 //! TRUE means that Octave will print a verbose warning. Currently
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347 //! unused.
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348 bool m_verbose_warning;
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349
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350 //! TRUE means that Octave will print no warnings, but lastwarn will
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351 //! be updated
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352 bool m_quiet_warning;
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353
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354 //! A structure containing (most of) the current state of warnings.
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355 octave_map m_warning_options;
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356
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357 //! The text of the last error message.
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358 std::string m_last_error_message;
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359
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360 //! The text of the last warning message.
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361 std::string m_last_warning_message;
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362
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363 //! The last warning message id.
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364 std::string m_last_warning_id;
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365
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366 //! The last error message id.
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367 std::string m_last_error_id;
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368
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369 //! The last file in which an error occurred.
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370 octave_map m_last_error_stack;
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371 };
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372 }
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373
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374 // FIXME: should we move the following functions inside the octave
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375 // namespace? If so, should the functions outside of the namespace be
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376 // deprecated? Doing that might cause a lot of trouble... If they are
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377 // not deprecated and eventually removed, does it make sense to also
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378 // define them inside the octave namespace?
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379
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380 #define panic_impossible() \
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381 panic ("impossible state reached in file '%s' at line %d", __FILE__, __LINE__)
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382
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383 extern OCTINTERP_API int warning_enabled (const std::string& id);
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384
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385 extern OCTINTERP_API void
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386 vmessage (const char *name, const char *fmt, va_list args);
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387
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388 OCTAVE_FORMAT_PRINTF (2, 3)
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389 extern OCTINTERP_API void message (const char *name, const char *fmt, ...);
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390
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391 extern OCTINTERP_API void vwarning (const char *fmt, va_list args);
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392
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393 OCTAVE_FORMAT_PRINTF (1, 2)
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394 extern OCTINTERP_API void warning (const char *fmt, ...);
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395
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396 OCTAVE_NORETURN
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397 extern OCTINTERP_API void verror (const char *fmt, va_list args);
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398
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399 OCTAVE_FORMAT_PRINTF (1, 2)
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400 OCTAVE_NORETURN
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401 extern OCTINTERP_API void error (const char *fmt, ...);
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402
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403 OCTAVE_NORETURN
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404 extern OCTINTERP_API void
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405 verror (octave::execution_exception&, const char *fmt, va_list args);
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406
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407 OCTAVE_FORMAT_PRINTF (2, 3)
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408 OCTAVE_NORETURN
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409 extern OCTINTERP_API void
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410 error (octave::execution_exception&, const char *fmt, ...);
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411
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412 OCTAVE_NORETURN
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413 extern OCTINTERP_API void
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414 verror_with_cfn (const char *fmt, va_list args);
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415
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416 OCTAVE_FORMAT_PRINTF (1, 2)
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417 OCTAVE_NORETURN
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418 extern OCTINTERP_API void
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419 error_with_cfn (const char *fmt, ...);
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420
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421 OCTAVE_NORETURN
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422 extern OCTINTERP_API void
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423 vparse_error (const char *fmt, va_list args);
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424
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425 OCTAVE_FORMAT_PRINTF (1, 2)
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426 OCTAVE_NORETURN
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427 extern OCTINTERP_API void
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428 parse_error (const char *fmt, ...);
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429
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430 OCTAVE_NORETURN
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431 extern OCTINTERP_API void
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432 vusage_with_id (const char *id, const char *fmt, va_list args);
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433
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434 OCTAVE_FORMAT_PRINTF (2, 3)
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435 OCTAVE_NORETURN
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436 extern OCTINTERP_API void
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437 usage_with_id (const char *id, const char *fmt, ...);
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438
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439 extern OCTINTERP_API void
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440 vwarning_with_id (const char *id, const char *fmt, va_list args);
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441
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442 OCTAVE_FORMAT_PRINTF (2, 3)
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443 extern OCTINTERP_API void
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444 warning_with_id (const char *id, const char *fmt, ...);
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445
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446 OCTAVE_NORETURN
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447 extern OCTINTERP_API void
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448 verror_with_id (const char *id, const char *fmt, va_list args);
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449
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450 OCTAVE_FORMAT_PRINTF (2, 3)
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451 OCTAVE_NORETURN
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452 extern OCTINTERP_API void
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453 error_with_id (const char *id, const char *fmt, ...);
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454
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455 OCTAVE_NORETURN
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456 extern OCTINTERP_API void
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457 verror_with_id_cfn (const char *id, const char *fmt, va_list args);
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458
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459 OCTAVE_FORMAT_PRINTF (2, 3)
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460 OCTAVE_NORETURN
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461 extern OCTINTERP_API void
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462 error_with_id_cfn (const char *id, const char *fmt, ...);
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463
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464 OCTAVE_NORETURN
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465 extern OCTINTERP_API void
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466 vparse_error_with_id (const char *id, const char *fmt, va_list args);
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467
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468 OCTAVE_FORMAT_PRINTF (2, 3)
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469 OCTAVE_NORETURN
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470 extern OCTINTERP_API void
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471 parse_error_with_id (const char *id, const char *fmt, ...);
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472
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473 OCTAVE_NORETURN
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474 extern OCTINTERP_API void vpanic (const char *fmt, va_list args);
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475
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476 OCTAVE_FORMAT_PRINTF (1, 2)
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477 OCTAVE_NORETURN
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478 extern OCTINTERP_API void panic (const char *fmt, ...);
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479
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480 //! Helper function for print_usage defined in defun.cc.
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481
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482 extern OCTINTERP_API void defun_usage_message (const std::string& msg);
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483
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484 extern OCTINTERP_API octave_value_list
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485 set_warning_state (const std::string& id, const std::string& state);
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486
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487 extern OCTINTERP_API octave_value_list
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488 set_warning_state (const octave_value_list& args);
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489
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490 extern OCTINTERP_API void disable_warning (const std::string& id);
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491
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492 extern OCTINTERP_API void interpreter_try (octave::unwind_protect&);
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493
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494 OCTAVE_DEPRECATED (6, "this variable is obsolete and always has the value 0")
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495 extern OCTINTERP_API int error_state;
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496
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497 OCTAVE_DEPRECATED (6, "this function is obsolete and should not be needed")
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498 inline void reset_error_handler (void) { }
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499
1
78fd87e624cb [project @ 1993-08-08 01:13:40 by jwe]
jwe
parents:
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500 #endif