Mercurial > octave
annotate libinterp/parse-tree/bp-table.cc @ 25441:143007dad864
store reference instead of pointer to interpreter in lexer
* lex.h (base_lexer::m_interpreter): Now reference instead of pointer.
In lexer constructors, require interpreter argument. Change all uses.
* parse.h, oct-parse.in.yy: In parser constructors, require
interpreter argument. Change all uses.
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 08 Jun 2018 18:27:37 -0400 |
parents | cb1606f78f6b |
children | 05dfcb24ef12 |
rev | line source |
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1 /* |
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2 |
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3 Copyright (C) 2001-2018 Ben Sapp |
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4 Copyright (C) 2007-2009 John Swensen |
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5 |
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6 This file is part of Octave. |
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7 |
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8 Octave is free software: you can redistribute it and/or modify it |
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9 under the terms of the GNU General Public License as published by |
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10 the Free Software Foundation, either version 3 of the License, or |
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11 (at your option) any later version. |
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12 |
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13 Octave is distributed in the hope that it will be useful, but |
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14 WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 GNU General Public License for more details. |
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17 |
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18 You should have received a copy of the GNU General Public License |
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19 along with Octave; see the file COPYING. If not, see |
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20 <https://www.gnu.org/licenses/>. |
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21 |
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22 */ |
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23 |
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24 #if defined (HAVE_CONFIG_H) |
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25 # include "config.h" |
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26 #endif |
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27 |
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28 #include <algorithm> |
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29 #include <limits> |
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30 #include <list> |
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31 #include <map> |
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32 #include <set> |
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33 #include <string> |
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34 |
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35 #include "file-ops.h" |
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36 |
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37 #include "bp-table.h" |
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38 #include "defun-int.h" |
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39 #include "call-stack.h" |
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40 #include "error.h" |
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41 #include "interpreter.h" |
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42 #include "interpreter-private.h" |
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43 #include "oct-map.h" |
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44 #include "octave-link.h" |
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45 #include "ov-usr-fcn.h" |
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46 #include "ov.h" |
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47 #include "ovl.h" |
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48 #include "pager.h" |
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49 #include "parse.h" |
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50 #include "pt-eval.h" |
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51 #include "pt-exp.h" |
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52 #include "pt-stmt.h" |
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53 #include "sighandlers.h" |
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54 #include "symtab.h" |
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55 |
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56 namespace octave |
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57 { |
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58 // Clear all reasons to stop, other than breakpoints. |
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59 |
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60 void bp_table::dbclear_all_signals (void) |
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61 { |
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62 Vdebug_on_error = false; |
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63 bp_table::m_errors_that_stop.clear (); |
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64 |
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65 Vdebug_on_caught = false; |
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66 bp_table::m_caught_that_stop.clear (); |
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67 |
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68 Vdebug_on_warning = false; |
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69 bp_table::m_warnings_that_stop.clear (); |
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70 |
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71 Vdebug_on_interrupt = false; |
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72 } |
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73 |
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74 // Process the "warn", "errs", "caught" and "intr" fields for a call of |
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75 // "dbstop (p)". |
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76 |
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77 void bp_table::dbstop_process_map_args (const octave_map& mv) |
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78 { |
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79 // process errs |
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80 // why so many levels of indirection needed? |
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81 bool fail = false; |
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82 Cell U = mv.contents ("errs"); |
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83 if (U.numel () != 1) |
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84 fail = (U.numel () > 1); |
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85 else |
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86 { |
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87 Array<octave_value> W = U.index (static_cast<octave_idx_type> (0)); |
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88 if (W.isempty () || W(0).isempty ()) |
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89 Vdebug_on_error = 1; // like "dbstop if error" with no identifier |
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90 else if (! W(0).iscell ()) |
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91 fail = true; |
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92 else |
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93 { |
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94 Cell V = W(0).cell_value (); |
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95 for (int i = 0; i < V.numel (); i++) |
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96 { |
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97 m_errors_that_stop.insert (V(i).string_value ()); |
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98 Vdebug_on_error = 1; |
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99 } |
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100 } |
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101 } |
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102 |
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103 if (fail) |
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104 error ("dbstop: invalid 'errs' field"); |
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105 |
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106 // process caught |
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107 // why so many levels of indirection needed? |
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108 fail = false; |
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109 U = mv.contents ("caught"); |
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110 if (U.numel () != 1) |
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111 fail = (U.numel () > 1); |
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112 else |
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113 { |
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114 Array<octave_value> W = U.index (static_cast<octave_idx_type> (0)); |
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115 if (W.isempty () || W(0).isempty ()) |
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116 Vdebug_on_caught = 1; // like "dbstop if caught error" with no ID |
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117 else if (! W(0).iscell ()) |
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118 fail = true; |
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119 else |
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120 { |
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121 Cell V = W(0).cell_value (); |
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122 for (int i = 0; i < V.numel (); i++) |
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123 { |
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124 m_caught_that_stop.insert (V(i).string_value ()); |
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125 Vdebug_on_caught = 1; |
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126 } |
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127 } |
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128 } |
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129 |
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130 if (fail) |
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131 error ("dbstop: invalid 'caught' field"); |
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132 |
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133 // process warn |
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134 // why so many levels of indirection needed? |
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135 fail = false; |
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136 U = mv.contents ("warn"); |
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137 if (U.numel () != 1) |
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138 fail = (U.numel () > 1); |
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139 else |
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140 { |
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141 Array<octave_value> W = U.index (static_cast<octave_idx_type> (0)); |
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142 if (W.isempty () || W(0).isempty ()) |
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143 Vdebug_on_warning = 1; // like "dbstop if warning" with no identifier |
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144 else if (! W(0).iscell ()) |
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145 fail = true; |
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146 else |
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147 { |
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148 Cell V = W(0).cell_value (); |
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149 for (int i = 0; i < V.numel (); i++) |
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150 { |
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151 m_warnings_that_stop.insert (V(i).string_value ()); |
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152 Vdebug_on_warning = 1; |
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153 } |
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154 } |
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155 } |
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156 |
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157 if (fail) |
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158 error ("dbstop: invalid 'warn' field"); |
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159 |
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160 // process interrupt |
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161 if (mv.isfield ("intr")) |
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162 Vdebug_on_interrupt = 1; |
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163 } |
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164 |
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165 // Insert a breakpoint in function fcn at line within file fname, |
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166 // to stop only when condition is true. |
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167 // Record in m_bp_set that fname contains a breakpoint. |
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168 |
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169 bool bp_table::add_breakpoint_1 (octave_user_code *fcn, |
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170 const std::string& fname, |
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171 const bp_table::intmap& line, |
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172 const std::string& condition, |
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173 bp_table::intmap& retval) |
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174 { |
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175 bool found = false; |
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176 |
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177 tree_statement_list *cmds = fcn->body (); |
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178 |
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179 std::string file = fcn->fcn_file_name (); |
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180 |
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181 if (cmds) |
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182 { |
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183 retval = cmds->add_breakpoint (file, line, condition); |
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184 |
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185 for (auto& idx_line_p : retval) |
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186 { |
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187 if (idx_line_p.second != 0) |
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188 { |
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189 // Normalize to store only the file name. |
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190 // Otherwise, there can be an entry for both |
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191 // file>subfunction and file, which causes a crash on |
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192 // dbclear all |
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193 const char *s = strchr (fname.c_str (), '>'); |
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194 if (s) |
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195 m_bp_set.insert (fname.substr (0, s - fname.c_str ())); |
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196 else |
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197 m_bp_set.insert (fname); |
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198 found = true; |
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199 break; |
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200 } |
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201 } |
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202 } |
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203 |
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204 return found; |
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205 } |
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206 |
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207 // Cursory check that cond is a valid condition to use for a breakpoint. |
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208 // Currently allows conditions with side-effects, like 'y+=10' and 'y++'; |
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209 // it is odd that the former is not flagged by "is_assignment_expression". |
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210 // Throws an exception if not valid. |
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211 |
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212 bool bp_table::condition_valid (const std::string& cond) |
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213 { |
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214 if (cond.length () > 0) |
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215 { |
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216 // ; to reject partial expr like "y==" |
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217 parser parser (cond + " ;", m_evaluator.get_interpreter ()); |
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218 parser.reset (); |
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219 int parse_status = parser.run (); |
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220 if (parse_status) |
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221 error ("dbstop: Cannot parse condition '%s'", cond.c_str ()); |
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222 else |
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223 { |
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224 tree_statement *stmt = nullptr; |
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225 if (! parser.m_stmt_list) |
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226 error ("dbstop: " |
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227 "condition is not empty, but has nothing to evaluate"); |
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228 else |
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229 { |
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230 if (parser.m_stmt_list->length () == 1 |
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231 && (stmt = parser.m_stmt_list->front ()) |
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232 && stmt->is_expression ()) |
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233 { |
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234 tree_expression *expr = stmt->expression (); |
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235 if (expr->is_assignment_expression ()) |
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236 error ("dbstop: condition cannot be an assignment. " |
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237 "Did you mean '=='?"); |
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238 } |
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239 else |
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240 error ("dbstop: condition must be an expression"); |
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241 } |
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242 } |
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243 } |
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244 |
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245 return true; |
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246 } |
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247 |
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248 enum dbstop_args |
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249 { |
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250 dbstop_in, |
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251 dbstop_at, |
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252 dbstop_if, |
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253 dbstop_none |
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254 }; |
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255 |
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256 // Parse parameters (args) of dbstop and dbclear commands. |
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257 // For dbstop, who=="dbstop"; for dbclear, who=="dbclear". |
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258 // The syntax is: dbstop [[in] symbol] [[at] line [line [...]]] [if condition] |
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259 // where the form of condition depends on whether or not a file or line has |
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260 // been seen. |
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261 // Also execute "if [error|warning|interrupt|naninf]" clauses. |
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262 |
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263 void bp_table::parse_dbfunction_params (const char *who, |
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264 const octave_value_list& args, |
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265 std::string& symbol_name, |
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266 bp_table::intmap& lines, |
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267 std::string& cond) |
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268 { |
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269 int nargin = args.length (); |
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270 int list_idx = 0; |
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271 symbol_name = ""; |
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272 lines = bp_table::intmap (); |
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273 |
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274 if (nargin == 0 || ! args(0).is_string ()) |
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275 print_usage (who); |
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276 |
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277 // elements already processed |
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278 bool seen_in = false, seen_at = false, seen_if = false; |
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279 int pos = 0; |
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280 dbstop_args tok = dbstop_none; |
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281 while (pos < nargin) |
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282 { |
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283 // allow "in" and "at" to be implicit |
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284 if (args(pos).is_string ()) |
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285 { |
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286 std::string arg = args(pos).string_value (); |
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287 if (arg == "in") |
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288 { |
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289 tok = dbstop_in; |
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290 pos++; |
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291 } |
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292 else if (arg == "at") |
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293 { |
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294 tok = dbstop_at; |
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295 pos++; |
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296 } |
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297 else if (arg == "if") |
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298 { |
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299 tok = dbstop_if; |
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300 pos++; |
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301 } |
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302 else if (atoi (args(pos).string_value ().c_str ()) > 0) |
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303 tok = dbstop_at; |
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304 else |
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305 tok = dbstop_in; |
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306 } |
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307 else |
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308 tok = dbstop_at; |
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309 |
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310 if (pos >= nargin) |
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311 error ("%s: '%s' missing argument", who, |
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312 (tok == dbstop_in |
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313 ? "in" : (tok == dbstop_at ? "at" : "if"))); |
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314 |
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315 // process the actual arguments |
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316 switch (tok) |
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317 { |
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318 case dbstop_in: |
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319 symbol_name = args(pos).string_value (); |
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320 if (seen_in) |
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321 error ("%s: Too many function names specified -- %s", |
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322 who, symbol_name.c_str ()); |
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323 else if (seen_at || seen_if) |
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324 error ("%s: function name must come before line number and 'if'", |
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325 who); |
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326 seen_in = true; |
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327 pos++; |
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328 break; |
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329 |
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330 case dbstop_at: |
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331 if (seen_at) |
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332 error ("%s: Only one 'at' clause is allowed -- %s", |
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333 who, args(pos).string_value ().c_str ()); |
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334 else if (seen_if) |
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335 error ("%s: line number must come before 'if' clause\n"); |
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336 seen_at = true; |
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337 |
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338 if (! seen_in) |
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339 { |
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340 // It was a line number. Get function name from debugger. |
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341 if (Vdebugging) |
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342 symbol_name = m_evaluator.get_user_code ()->profiler_name (); |
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343 else |
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344 error ("%s: function name must come before line number " |
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345 "and 'if'", who); |
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346 seen_in = true; |
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347 } |
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348 else if (seen_if) |
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349 error ("%s: line number must come before 'if' clause\n"); |
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350 |
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351 // Read a list of line numbers (or arrays thereof) |
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352 for ( ; pos < nargin; pos++) |
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353 { |
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354 if (args(pos).is_string ()) |
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355 { |
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356 int line = atoi (args(pos).string_value ().c_str ()); |
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357 |
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358 if (line > 0) |
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359 lines[list_idx++] = line; |
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360 else |
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361 break; // may be "if" |
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362 } |
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363 else if (args(pos).isnumeric ()) |
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364 { |
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365 const NDArray arg = args(pos).array_value (); |
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366 |
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367 for (octave_idx_type j = 0; j < arg.numel (); j++) |
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368 lines[list_idx++] = static_cast<int> (arg.elem (j)); |
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369 } |
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370 else |
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371 error ("%s: Invalid argument type %s", |
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372 args(pos).type_name ().c_str ()); |
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373 } |
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374 break; |
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375 |
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376 case dbstop_if: |
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377 if (seen_in) // conditional breakpoint |
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378 { |
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379 cond = ""; // remaining arguments form condition |
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380 for (; pos < nargin; pos++) |
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381 { |
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382 if (args(pos).is_string ()) |
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383 cond += ' ' + args(pos).string_value (); |
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384 else |
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385 error ("%s: arguments to 'if' must all be strings", who); |
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386 } |
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387 |
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388 cond = cond.substr (1); // omit initial space |
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389 } |
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390 else // stop on event (error, warning, interrupt, NaN/inf) |
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391 { |
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392 std::string condition = args(pos).string_value (); |
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393 int on_off = ! strcmp(who, "dbstop"); |
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394 |
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395 // list of error/warning IDs to update |
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396 std::set<std::string> *id_list = nullptr; |
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397 bool *stop_flag = nullptr; // Vdebug_on_... flag |
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398 |
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399 if (condition == "error") |
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400 { |
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401 id_list = &m_errors_that_stop; |
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402 stop_flag = &Vdebug_on_error; |
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403 } |
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404 else if (condition == "warning") |
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405 { |
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406 id_list = &m_warnings_that_stop; |
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407 stop_flag = &Vdebug_on_warning; |
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408 } |
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409 else if (condition == "caught" && nargin > pos+1 |
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410 && args(pos+1).string_value () == "error") |
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411 { |
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412 id_list = &m_caught_that_stop; |
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413 stop_flag = &Vdebug_on_caught; |
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414 pos++; |
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415 } |
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416 else if (condition == "interrupt") |
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417 { |
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418 Vdebug_on_interrupt = on_off; |
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419 } |
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420 else if (condition == "naninf") |
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421 { |
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422 #if defined (DBSTOP_NANINF) |
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423 Vdebug_on_naninf = on_off; |
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424 enable_fpe (on_off); |
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425 #else |
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426 warning ("%s: condition '%s' not yet supported", |
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427 who, condition.c_str ()); |
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428 #endif |
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429 } |
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430 else |
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431 error ("%s: invalid condition %s", |
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432 who, condition.c_str ()); |
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433 |
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434 // process ID list for "dbstop if error <error_ID>" etc |
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435 if (id_list) |
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436 { |
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437 pos++; |
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438 if (pos < nargin) // only affect a single error ID |
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439 { |
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440 if (! args(pos).is_string () || nargin > pos+1) |
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441 error ("%s: ID must be a single string", who); |
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442 else if (on_off == 1) |
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443 { |
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444 id_list->insert (args(pos).string_value ()); |
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445 *stop_flag = true; |
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446 } |
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447 else |
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448 { |
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449 id_list->erase (args(pos).string_value ()); |
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450 if (id_list->empty ()) |
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451 *stop_flag = false; |
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452 } |
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453 } |
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454 else // unqualified. Turn all on or off |
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455 { |
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456 id_list->clear (); |
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457 *stop_flag = on_off; |
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458 if (stop_flag == &Vdebug_on_error) |
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459 { |
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460 // Matlab stops on both. |
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461 Vdebug_on_interrupt = on_off; |
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462 } |
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463 } |
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464 } |
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465 |
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466 pos = nargin; |
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467 } |
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468 break; |
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469 |
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470 default: // dbstop_none should never occur |
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471 break; |
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472 } |
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473 } |
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474 } |
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475 |
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476 /* |
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477 %!test |
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478 %! dbclear all; # Clear out breakpoints before test |
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479 %! dbstop help; |
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480 %! dbstop in ls; |
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481 %! dbstop help at 100; |
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482 %! dbstop in ls 100; |
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483 %! dbstop help 201 if a==5; |
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484 %! dbstop if error Octave:undefined-function; |
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485 %! s = dbstatus; |
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486 %! dbclear all; |
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487 %! assert ({s.bkpt(:).name}, {"help", "help", "help>do_contents", "ls", "ls"}); |
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488 %! assert ([s.bkpt(:).line], [48, 100, 201, 58, 100]); |
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489 %! assert (s.errs, {"Octave:undefined-function"}); |
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490 */ |
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491 |
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492 // Return the sub/nested/main function of MAIN_FCN that contains |
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493 // line number LINENO of the source file. |
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494 // If END_LINE != 0, *END_LINE is set to last line of the returned function. |
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495 |
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496 static octave_user_code * find_fcn_by_line (octave_user_code *main_fcn, |
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497 int lineno, int *end_line = nullptr) |
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498 { |
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499 octave_user_code *retval = nullptr; |
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500 octave_user_code *next_fcn = nullptr; // 1st function starting after lineno |
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501 |
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502 // Find innermost nested (or parent) function containing lineno. |
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503 int earliest_end = std::numeric_limits<int>::max (); |
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504 |
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505 std::map<std::string, octave_value> subfcns = main_fcn->subfunctions (); |
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506 for (const auto& str_val_p : subfcns) |
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507 { |
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508 if (str_val_p.second.is_user_function ()) |
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509 { |
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510 auto *dbg_subfcn = str_val_p.second.user_function_value (); |
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511 |
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512 // Check if lineno is within dbg_subfcn. |
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513 // FIXME: we could break when beginning_line() > lineno, |
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514 // but that makes the code "fragile" |
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515 // if the order of walking subfcns changes, |
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516 // for a minor speed improvement in non-critical code. |
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517 if (dbg_subfcn->ending_line () < earliest_end |
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518 && dbg_subfcn->ending_line () >= lineno |
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519 && dbg_subfcn->beginning_line () <= lineno) |
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520 { |
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521 earliest_end = dbg_subfcn->ending_line (); |
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522 retval = find_fcn_by_line (dbg_subfcn, lineno, &earliest_end); |
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523 } |
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524 |
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525 // Find the first fcn starting after lineno. |
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526 // This is used if line is not inside any function. |
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527 if (dbg_subfcn->beginning_line () >= lineno && ! next_fcn) |
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528 next_fcn = dbg_subfcn; |
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529 } |
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530 } |
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531 |
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532 // The breakpoint is either in the subfunction found above, |
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533 // or in the main function, which we check now. |
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534 if (main_fcn->is_user_function ()) |
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535 { |
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536 int e = dynamic_cast<octave_user_function *> (main_fcn)->ending_line (); |
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537 if (e >= lineno && e < earliest_end) |
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538 retval = main_fcn; |
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539 |
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540 if (! retval) |
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541 retval = next_fcn; |
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542 } |
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543 else // main_fcn is a script. |
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544 { |
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545 if (! retval) |
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546 retval = main_fcn; |
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547 } |
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548 |
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549 if (end_line && earliest_end < *end_line) |
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550 *end_line = earliest_end; |
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551 |
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552 return retval; |
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553 } |
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554 |
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555 // Given file name fname, find the subfunction at line and create |
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556 // a breakpoint there. Put the system into debug_mode. |
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557 bp_table::intmap bp_table::add_breakpoint (const std::string& fname, |
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558 const bp_table::intmap& line, |
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559 const std::string& condition) |
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560 { |
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561 octave_user_code *main_fcn = m_evaluator.get_user_code (fname); |
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562 |
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563 if (! main_fcn) |
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564 error ("add_breakpoint: unable to find function '%s'\n", fname.c_str ()); |
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565 |
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566 condition_valid (condition); // Throw error if condition not valid. |
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567 |
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568 intmap retval; |
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569 |
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570 octave_idx_type len = line.size (); |
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571 |
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572 for (int i = 0; i < len; i++) |
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573 { |
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574 const_intmap_iterator m = line.find (i); |
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575 |
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576 if (m != line.end ()) |
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577 { |
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578 int lineno = m->second; |
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579 |
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580 octave_user_code *dbg_fcn = find_fcn_by_line (main_fcn, lineno); |
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581 |
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582 // We've found the right (sub)function. Now insert the breakpoint. |
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583 // We insert all breakpoints. |
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584 // If multiple are in the same function, we insert multiple times. |
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585 intmap ret_one; |
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586 if (dbg_fcn |
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587 && add_breakpoint_1 (dbg_fcn, fname, line, condition, ret_one)) |
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588 retval.insert (std::pair<int,int> (i, ret_one.find (i)->second)); |
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589 } |
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590 } |
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591 |
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592 m_evaluator.debug_mode (bp_table::have_breakpoints () || Vdebugging); |
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593 |
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594 return retval; |
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595 } |
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596 |
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597 int bp_table::remove_breakpoint_1 (octave_user_code *fcn, |
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598 const std::string& fname, |
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599 const bp_table::intmap& line) |
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600 { |
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601 int retval = 0; |
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602 |
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603 std::string file = fcn->fcn_file_name (); |
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604 |
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605 tree_statement_list *cmds = fcn->body (); |
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606 |
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607 // FIXME: move the operation on cmds to the tree_statement_list class? |
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608 |
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609 if (cmds) |
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610 { |
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611 octave_value_list results = cmds->list_breakpoints (); |
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612 |
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613 if (results.length () > 0) |
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614 { |
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615 octave_idx_type len = line.size (); |
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616 |
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617 for (int i = 0; i < len; i++) |
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618 { |
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619 const_intmap_iterator p = line.find (i); |
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620 |
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621 if (p != line.end ()) |
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622 { |
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623 int lineno = p->second; |
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624 |
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625 cmds->delete_breakpoint (lineno); |
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626 |
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627 if (! file.empty ()) |
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628 octave_link::update_breakpoint (false, file, lineno); |
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629 } |
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630 } |
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631 |
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632 results = cmds->list_breakpoints (); |
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633 |
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634 auto it = m_bp_set.find (fname); |
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635 if (results.empty () && it != m_bp_set.end ()) |
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636 m_bp_set.erase (it); |
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637 } |
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638 |
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639 retval = results.length (); |
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640 } |
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641 |
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642 return retval; |
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643 } |
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644 |
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645 int bp_table::remove_breakpoint (const std::string& fname, |
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646 const bp_table::intmap& line) |
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647 { |
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648 int retval = 0; |
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649 |
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650 octave_idx_type len = line.size (); |
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651 |
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652 if (len == 0) |
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653 { |
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654 intmap results = remove_all_breakpoints_in_file (fname); |
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655 retval = results.size (); |
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656 } |
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657 else |
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658 { |
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659 octave_user_code *dbg_fcn = m_evaluator.get_user_code (fname); |
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660 |
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661 if (! dbg_fcn) |
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662 error ("remove_breakpoint: unable to find function %s\n", |
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663 fname.c_str ()); |
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664 |
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665 retval = remove_breakpoint_1 (dbg_fcn, fname, line); |
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666 |
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667 // Search subfunctions in the order they appear in the file. |
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668 |
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669 const std::list<std::string> subfcn_names |
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670 = dbg_fcn->subfunction_names (); |
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671 |
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672 std::map<std::string, octave_value> subfcns |
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673 = dbg_fcn->subfunctions (); |
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674 |
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675 for (const auto& subf_nm : subfcn_names) |
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676 { |
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677 const auto q = subfcns.find (subf_nm); |
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678 |
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679 if (q != subfcns.end ()) |
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680 { |
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681 octave_user_code *dbg_subfcn = q->second.user_code_value (); |
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682 |
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683 retval += remove_breakpoint_1 (dbg_subfcn, fname, line); |
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684 } |
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685 } |
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686 } |
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687 |
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688 m_evaluator.debug_mode (bp_table::have_breakpoints () || Vdebugging); |
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689 |
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690 return retval; |
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691 } |
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692 |
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693 // Remove all breakpoints from a file, including those in subfunctions. |
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694 |
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695 bp_table::intmap |
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696 bp_table::remove_all_breakpoints_in_file (const std::string& fname, |
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697 bool silent) |
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698 { |
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699 intmap retval; |
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700 |
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701 octave_user_code *dbg_fcn = m_evaluator.get_user_code (fname); |
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702 |
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703 if (dbg_fcn) |
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704 { |
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705 std::string file = dbg_fcn->fcn_file_name (); |
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706 |
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707 tree_statement_list *cmds = dbg_fcn->body (); |
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708 |
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709 if (cmds) |
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710 { |
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711 retval = cmds->remove_all_breakpoints (file); |
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712 |
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713 auto it = m_bp_set.find (fname); |
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714 if (it != m_bp_set.end ()) |
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715 m_bp_set.erase (it); |
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716 } |
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717 } |
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718 else if (! silent) |
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719 error ("remove_all_breakpoint_in_file: " |
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720 "unable to find function %s\n", fname.c_str ()); |
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721 |
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722 m_evaluator.debug_mode (bp_table::have_breakpoints () || Vdebugging); |
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723 |
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724 return retval; |
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725 } |
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726 |
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727 void bp_table::remove_all_breakpoints (void) |
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728 { |
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729 // Odd loop structure required because delete will invalidate |
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730 // m_bp_set iterators. |
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731 for (auto it = m_bp_set.cbegin (), it_next = it; |
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732 it != m_bp_set.cend (); |
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733 it = it_next) |
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734 { |
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735 ++it_next; |
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736 remove_all_breakpoints_in_file (*it); |
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737 } |
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738 |
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739 m_evaluator.debug_mode (bp_table::have_breakpoints () || Vdebugging); |
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740 } |
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741 |
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742 std::string find_bkpt_list (octave_value_list slist, std::string match) |
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743 { |
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744 std::string retval; |
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745 |
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746 for (int i = 0; i < slist.length (); i++) |
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747 { |
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748 if (slist(i).string_value () == match) |
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749 { |
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750 retval = slist(i).string_value (); |
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751 break; |
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752 } |
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753 } |
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754 |
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755 return retval; |
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756 } |
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757 |
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758 bp_table::fname_bp_map |
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759 bp_table::get_breakpoint_list (const octave_value_list& fname_list) |
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760 { |
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761 fname_bp_map retval; |
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762 |
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763 // make copy since changes may invalidate iters of m_bp_set. |
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764 std::set<std::string> tmp_bp_set = m_bp_set; |
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765 |
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766 for (auto& bp_fname : tmp_bp_set) |
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767 { |
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768 if (fname_list.empty () |
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769 || find_bkpt_list (fname_list, bp_fname) != "") |
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770 { |
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771 octave_user_code *dbg_fcn = m_evaluator.get_user_code (bp_fname); |
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772 |
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773 if (dbg_fcn) |
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774 { |
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775 tree_statement_list *cmds = dbg_fcn->body (); |
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776 |
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777 // FIXME: move the operation on cmds to the |
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778 // tree_statement_list class? |
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779 if (cmds) |
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780 { |
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781 std::list<bp_type> bkpts = cmds->breakpoints_and_conds (); |
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782 |
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783 if (! bkpts.empty ()) |
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784 retval[bp_fname] = bkpts; |
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785 } |
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786 |
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787 // look for breakpoints in subfunctions |
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788 const std::list<std::string> subf_nm |
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789 = dbg_fcn->subfunction_names (); |
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790 |
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791 std::map<std::string, octave_value> subfcns |
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792 = dbg_fcn->subfunctions (); |
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793 |
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794 for (const auto& subfcn_nm : subf_nm) |
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795 { |
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796 const auto q = subfcns.find (subfcn_nm); |
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797 |
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798 if (q != subfcns.end ()) |
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799 { |
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800 octave_user_code *dbg_subfcn |
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801 = q->second.user_code_value (); |
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|
802 |
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803 cmds = dbg_subfcn->body (); |
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804 if (cmds) |
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|
805 { |
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806 std::list<bp_type> bkpts |
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807 = cmds->breakpoints_and_conds (); |
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|
808 |
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|
809 if (! bkpts.empty ()) |
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|
810 { |
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|
811 std::string key |
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812 = bp_fname + '>' + dbg_subfcn->name (); |
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|
813 |
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814 retval[key] = bkpts; |
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|
815 } |
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|
816 } |
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|
817 } |
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|
818 } |
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|
819 } |
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|
820 } |
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821 } |
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|
822 |
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823 return retval; |
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|
824 } |
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|
825 |
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826 // Report the status of "dbstop if error ..." and "dbstop if warning ..." |
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827 // If to_screen is true, the output goes to octave_stdout; otherwise it is |
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828 // returned. |
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|
829 // If dbstop if error is true but no explicit IDs are specified, the return |
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830 // value will have an empty field called "errs". If IDs are specified, the |
3695c2cd69b8
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831 // "errs" field will have a row per ID. If dbstop if error is false, there |
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832 // is no "errs" field. The "warn" field is set similarly by dbstop if warning |
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833 |
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834 octave_map bp_table::stop_on_err_warn_status (bool to_screen) |
3695c2cd69b8
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835 { |
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|
836 octave_map retval; |
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|
837 |
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838 // print dbstop if error information |
3695c2cd69b8
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839 if (Vdebug_on_error) |
3695c2cd69b8
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840 { |
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841 if (m_errors_that_stop.empty ()) |
3695c2cd69b8
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842 { |
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|
843 if (to_screen) |
3695c2cd69b8
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844 octave_stdout << "stop if error\n"; |
3695c2cd69b8
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845 else |
3695c2cd69b8
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|
846 retval.assign ("errs", octave_value("")); |
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|
847 } |
3695c2cd69b8
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|
848 else |
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|
849 { |
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850 Cell errs (dim_vector (bp_table::m_errors_that_stop.size (), 1)); |
3695c2cd69b8
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851 int i = 0; |
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|
852 |
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|
853 for (const auto& e : m_errors_that_stop) |
3695c2cd69b8
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|
854 { |
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|
855 if (to_screen) |
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|
856 octave_stdout << "stop if error " << e << "\n"; |
3695c2cd69b8
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857 else |
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858 errs(i++) = e; |
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859 } |
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860 if (! to_screen) |
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861 retval.assign ("errs", octave_value (errs)); |
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862 } |
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863 } |
24286
6bfb96ab73cb
* bp-table.cc: Style fixes.
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864 |
24738
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865 // print dbstop if caught error information |
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866 if (Vdebug_on_caught) |
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867 { |
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868 if (m_caught_that_stop.empty ()) |
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869 { |
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870 if (to_screen) |
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871 octave_stdout << "stop if caught error\n"; |
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872 else |
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873 retval.assign ("caught", octave_value("")); |
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874 } |
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875 else |
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876 { |
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877 Cell errs (dim_vector (m_caught_that_stop.size (), 1)); |
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878 int i = 0; |
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|
879 |
24738
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880 for (const auto& e : m_caught_that_stop) |
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881 { |
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882 if (to_screen) |
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883 octave_stdout << "stop if caught error " << e << "\n"; |
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884 else |
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885 errs(i++) = e; |
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886 } |
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887 if (! to_screen) |
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888 retval.assign ("caught", octave_value (errs)); |
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889 } |
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|
890 } |
23137
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|
891 |
24738
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|
892 // print dbstop if warning information |
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893 if (Vdebug_on_warning) |
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|
894 { |
3695c2cd69b8
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|
895 if (m_warnings_that_stop.empty ()) |
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|
896 { |
3695c2cd69b8
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|
897 if (to_screen) |
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898 octave_stdout << "stop if warning\n"; |
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899 else |
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900 retval.assign ("warn", octave_value("")); |
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|
901 } |
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|
902 else |
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|
903 { |
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|
904 Cell warn (dim_vector (m_warnings_that_stop.size (), 1)); |
3695c2cd69b8
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|
905 int i = 0; |
23137
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changeset
|
906 |
24738
3695c2cd69b8
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diff
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|
907 for (const auto& w : m_warnings_that_stop) |
3695c2cd69b8
don't use singleton pattern for bp_table
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diff
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|
908 { |
3695c2cd69b8
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diff
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|
909 if (to_screen) |
3695c2cd69b8
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diff
changeset
|
910 octave_stdout << "stop if warning " << w << "\n"; |
3695c2cd69b8
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diff
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|
911 else |
3695c2cd69b8
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diff
changeset
|
912 warn(i++) = w; |
3695c2cd69b8
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diff
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|
913 } |
3695c2cd69b8
don't use singleton pattern for bp_table
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24534
diff
changeset
|
914 if (! to_screen) |
3695c2cd69b8
don't use singleton pattern for bp_table
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diff
changeset
|
915 retval.assign ("warn", octave_value (warn)); |
3695c2cd69b8
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diff
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|
916 } |
3695c2cd69b8
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diff
changeset
|
917 } |
23137
334119c390b3
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diff
changeset
|
918 |
24738
3695c2cd69b8
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24534
diff
changeset
|
919 // print dbstop if interrupt information |
25336
389757b7b6af
eliminate redundant octave:: namespace tags
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parents:
25103
diff
changeset
|
920 if (Vdebug_on_interrupt) |
24738
3695c2cd69b8
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24534
diff
changeset
|
921 { |
3695c2cd69b8
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diff
changeset
|
922 if (to_screen) |
3695c2cd69b8
don't use singleton pattern for bp_table
John W. Eaton <jwe@octave.org>
parents:
24534
diff
changeset
|
923 octave_stdout << "stop if interrupt\n"; |
3695c2cd69b8
don't use singleton pattern for bp_table
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diff
changeset
|
924 else |
3695c2cd69b8
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diff
changeset
|
925 retval.assign ("intr", octave_value ()); |
3695c2cd69b8
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diff
changeset
|
926 } |
3695c2cd69b8
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24534
diff
changeset
|
927 |
3695c2cd69b8
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diff
changeset
|
928 return retval; |
3695c2cd69b8
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parents:
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diff
changeset
|
929 } |
3695c2cd69b8
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diff
changeset
|
930 |
3695c2cd69b8
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diff
changeset
|
931 octave_user_code * |
3695c2cd69b8
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diff
changeset
|
932 get_user_code (const std::string& fname) |
3695c2cd69b8
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24534
diff
changeset
|
933 { |
25360
bc5f225bc578
eliminate some global accesses to the breakpoint table
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parents:
25347
diff
changeset
|
934 tree_evaluator& tw = __get_evaluator__ ("get_user_code"); |
24738
3695c2cd69b8
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24534
diff
changeset
|
935 |
25360
bc5f225bc578
eliminate some global accesses to the breakpoint table
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parents:
25347
diff
changeset
|
936 return tw.get_user_code (fname); |
24738
3695c2cd69b8
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parents:
24534
diff
changeset
|
937 } |
23137
334119c390b3
move bp_table class to separate file
John W. Eaton <jwe@octave.org>
parents:
diff
changeset
|
938 } |