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1 /* |
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2 |
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3 Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 Ben Sapp |
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4 |
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5 This file is part of Octave. |
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6 |
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7 Octave is free software; you can redistribute it and/or modify it |
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8 under the terms of the GNU General Public License as published by the |
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9 Free Software Foundation; either version 3 of the License, or (at your |
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10 option) any later version. |
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11 |
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12 Octave is distributed in the hope that it will be useful, but WITHOUT |
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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15 for more details. |
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16 |
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17 You should have received a copy of the GNU General Public License |
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18 along with Octave; see the file COPYING. If not, see |
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19 <http://www.gnu.org/licenses/>. |
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20 |
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21 */ |
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22 |
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23 #ifdef HAVE_CONFIG_H |
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24 #include <config.h> |
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25 #endif |
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26 |
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27 #include "ov-usr-fcn.h" |
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28 #include "ov-list.h" |
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29 #include "pager.h" |
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30 #include "pt-all.h" |
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31 |
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4185
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32 // TRUE means SIGINT should put us in the debugger at the next |
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33 // available breakpoint. |
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34 bool octave_debug_on_interrupt_state = false; |
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35 |
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36 void |
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37 tree_breakpoint::take_action (tree &tr) |
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38 { |
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39 if (act == set) |
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40 { |
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41 tr.set_breakpoint (); |
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42 line = tr.line (); |
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43 found = true; |
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44 } |
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45 else if (act == clear) |
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46 { |
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47 tr.delete_breakpoint (); |
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48 found = true; |
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49 } |
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50 else if (act == list) |
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51 { |
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52 if (tr.is_breakpoint ()) |
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53 { |
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54 bp_list.append (octave_value (tr.line ())); |
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55 line = tr.line () + 1; |
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56 } |
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57 } |
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58 else |
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59 panic_impossible (); |
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60 |
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61 return; |
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62 } |
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63 |
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64 void |
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65 tree_breakpoint::visit_while_command (tree_while_command& cmd) |
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66 { |
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67 if (found) |
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68 return; |
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69 |
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70 if (cmd.line () >= line) |
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71 take_action (cmd); |
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72 |
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73 tree_expression *expr = cmd.condition (); |
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74 |
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75 if (expr) |
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76 expr->accept (*this); |
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77 |
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78 tree_statement_list *lst = cmd.body (); |
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79 |
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80 if (lst) |
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81 lst->accept (*this); |
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82 } |
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83 |
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84 void |
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85 tree_breakpoint::visit_do_until_command (tree_do_until_command& cmd) |
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86 { |
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87 if (found) |
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88 return; |
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89 |
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90 if (cmd.line () >= line) |
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91 take_action (cmd); |
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92 |
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93 tree_statement_list *lst = cmd.body (); |
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94 |
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95 if (lst) |
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96 lst->accept (*this); |
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97 |
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98 if (found) |
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99 return; |
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100 |
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101 tree_expression *expr = cmd.condition (); |
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102 |
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103 if (expr) |
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104 expr->accept (*this); |
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105 } |
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106 |
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107 void |
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108 tree_breakpoint::visit_argument_list (tree_argument_list& lst) |
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109 { |
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110 if (found) |
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111 return; |
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112 |
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113 for (tree_argument_list::iterator p = lst.begin (); p != lst.end (); p++) |
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114 { |
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115 tree_expression *elt = *p; |
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116 |
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117 if (elt) |
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118 elt->accept (*this); |
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119 } |
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120 } |
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121 |
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122 void |
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123 tree_breakpoint::visit_binary_expression (tree_binary_expression& expr) |
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124 { |
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125 if (found) |
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126 return; |
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127 |
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128 tree_expression *lhs = expr.lhs (); |
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129 tree_expression *rhs = expr.rhs (); |
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130 |
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131 if (lhs && lhs->line () >= line) |
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132 lhs->accept (*this); |
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133 |
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134 if (rhs && rhs->line () >= line) |
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135 rhs->accept (*this); |
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136 } |
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137 |
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138 void |
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139 tree_breakpoint::visit_break_command (tree_break_command& cmd) |
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140 { |
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141 if (found) |
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142 return; |
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143 |
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144 if (cmd.line () >= line) |
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145 take_action (cmd); |
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146 } |
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147 |
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148 void |
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149 tree_breakpoint::visit_colon_expression (tree_colon_expression& expr) |
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150 { |
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151 if (found) |
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152 return; |
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153 |
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154 if (expr.line () >= line) |
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155 take_action (expr); |
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156 |
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157 tree_expression *base = expr.base (); |
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158 |
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159 if (base) |
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160 base->accept (*this); |
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161 |
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162 tree_expression *increment = expr.increment (); |
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163 |
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164 if (increment) |
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165 increment->accept (*this); |
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166 |
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167 tree_expression *limit = expr.limit (); |
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168 |
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169 if (limit) |
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170 limit->accept (*this); |
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171 } |
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172 |
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173 void |
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174 tree_breakpoint::visit_continue_command (tree_continue_command& cmd) |
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175 { |
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176 if (found) |
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177 return; |
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178 |
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179 if (cmd.line () >= line) |
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180 take_action (cmd); |
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181 } |
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182 |
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183 void |
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184 tree_breakpoint::visit_decl_command (tree_decl_command& cmd) |
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185 { |
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186 if (found) |
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187 return; |
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188 |
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189 tree_decl_init_list *init_list = cmd.initializer_list (); |
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190 |
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191 if (init_list) |
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192 init_list->accept (*this); |
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193 } |
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194 |
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195 void |
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196 tree_breakpoint::visit_decl_elt (tree_decl_elt& cmd) |
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197 { |
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198 if (found) |
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199 return; |
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200 |
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201 tree_identifier *ident = cmd.ident (); |
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202 |
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203 if (ident) |
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204 ident->accept (*this); |
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205 |
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206 tree_expression *expr = cmd.expression (); |
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207 |
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208 if (expr) |
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209 expr->accept (*this); |
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210 |
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211 } |
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212 |
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213 void |
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214 tree_breakpoint::visit_decl_init_list (tree_decl_init_list& lst) |
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215 { |
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216 if (found) |
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217 return; |
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218 |
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219 for (tree_decl_init_list::iterator p = lst.begin (); p != lst.end (); p++) |
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220 { |
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221 tree_decl_elt *elt = *p; |
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222 |
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223 if (elt) |
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224 elt->accept (*this); |
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225 } |
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226 } |
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227 |
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228 void |
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229 tree_breakpoint::visit_simple_for_command (tree_simple_for_command& cmd) |
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230 { |
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231 if (found) |
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232 return; |
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233 |
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234 if (cmd.line () >= line) |
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235 take_action (cmd); |
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236 |
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237 tree_expression *expr = cmd.control_expr (); |
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238 |
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239 if (expr) |
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240 expr->accept (*this); |
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241 |
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242 tree_statement_list *lst = cmd.body (); |
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243 |
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244 if (lst) |
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245 lst->accept (*this); |
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246 } |
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247 |
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248 void |
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249 tree_breakpoint::visit_complex_for_command (tree_complex_for_command& cmd) |
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250 { |
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251 if (found) |
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252 return; |
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253 |
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254 if (cmd.line () >= line) |
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255 take_action (cmd); |
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256 |
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257 tree_expression *expr = cmd.control_expr (); |
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258 |
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259 if (expr) |
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260 expr->accept (*this); |
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261 |
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262 tree_statement_list *lst = cmd.body (); |
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263 |
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264 if (lst) |
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265 lst->accept (*this); |
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266 |
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267 } |
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268 |
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269 void |
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270 tree_breakpoint::visit_octave_user_function (octave_user_function&) |
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271 { |
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272 // We should not visit octave user functions because the function we |
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273 // are currently in is the function where the breakpoint was |
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274 // requested. |
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275 } |
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276 |
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277 void |
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278 tree_breakpoint::visit_octave_user_function_header (octave_user_function&) |
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279 { |
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280 // Do nothing. |
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281 } |
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282 |
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283 void |
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284 tree_breakpoint::visit_octave_user_function_trailer (octave_user_function&) |
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285 { |
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286 // Do nothing. |
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287 } |
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288 |
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289 void |
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290 tree_breakpoint::visit_identifier (tree_identifier& id) |
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291 { |
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292 if (found) |
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293 return; |
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294 |
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295 if (id.line () >= line ) |
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296 take_action (id); |
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297 } |
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298 |
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299 void |
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300 tree_breakpoint::visit_if_clause (tree_if_clause& cmd) |
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301 { |
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302 if (found) |
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303 return; |
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304 |
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305 tree_expression *expr = cmd.condition (); |
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306 |
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307 if (expr) |
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308 expr->accept (*this); |
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309 |
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310 tree_statement_list *lst = cmd.commands (); |
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311 |
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312 if (lst) |
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313 lst->accept (*this); |
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314 } |
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315 |
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316 void |
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317 tree_breakpoint::visit_if_command (tree_if_command& cmd) |
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318 { |
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319 if (found) |
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320 return; |
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321 |
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322 tree_if_command_list *lst = cmd.cmd_list (); |
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323 |
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324 if (lst) |
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325 lst->accept (*this); |
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326 } |
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327 |
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328 void |
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329 tree_breakpoint::visit_if_command_list (tree_if_command_list& lst) |
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330 { |
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331 if (found) |
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332 return; |
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333 |
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334 for (tree_if_command_list::iterator p = lst.begin (); p != lst.end (); p++) |
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335 { |
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336 tree_if_clause *elt = *p; |
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337 |
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338 if (elt) |
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339 elt->accept (*this); |
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340 } |
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341 } |
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342 |
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343 void |
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344 tree_breakpoint::visit_index_expression (tree_index_expression& cmd) |
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345 { |
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346 if (found) |
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347 return; |
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348 |
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349 tree_expression *expr = cmd.expression (); |
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350 |
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351 if (expr && expr->line () >= line) |
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352 take_action (*expr); |
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353 |
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354 std::list<tree_argument_list *> lst = cmd.arg_lists (); |
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355 |
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356 |
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357 if (! lst.empty ()) |
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358 { |
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359 for (std::list<tree_argument_list *>::iterator p = lst.begin (); |
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360 p != lst.end (); |
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361 p++) |
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362 { |
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363 tree_argument_list *elt = *p; |
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364 |
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365 if (elt) |
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366 elt->accept (*this); |
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367 } |
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368 } |
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369 } |
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370 |
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371 void |
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372 tree_breakpoint::visit_matrix (tree_matrix& mat) |
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373 { |
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374 if (found) |
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375 return; |
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376 |
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377 tree_matrix::iterator p = mat.begin (); |
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378 |
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379 while (p != mat.end ()) |
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380 { |
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381 tree_argument_list *elt = *p++; |
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382 |
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383 if (elt) |
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384 elt->accept (*this); |
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385 } |
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386 } |
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387 |
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388 void |
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389 tree_breakpoint::visit_cell (tree_cell& cell) |
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390 { |
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391 if (found) |
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392 return; |
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393 |
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394 tree_cell::iterator p = cell.begin (); |
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395 |
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396 while (p != cell.end ()) |
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397 { |
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398 tree_argument_list *elt = *p++; |
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399 |
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400 if (elt) |
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401 elt->accept (*this); |
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402 } |
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403 } |
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404 |
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405 void |
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406 tree_breakpoint::visit_multi_assignment (tree_multi_assignment& expr) |
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407 { |
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408 if (found) |
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409 return; |
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410 |
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411 tree_argument_list *lst = expr.left_hand_side (); |
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412 |
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4274
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413 if (lst) |
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414 lst->accept (*this); |
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415 |
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416 tree_expression *rhs = expr.right_hand_side (); |
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417 |
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418 if (rhs) |
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419 rhs->accept (*this); |
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420 } |
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421 |
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422 void |
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423 tree_breakpoint::visit_no_op_command (tree_no_op_command& cmd) |
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424 { |
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425 if (found) |
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426 return; |
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427 |
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428 if (cmd.line () >= line) |
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429 take_action (cmd); |
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430 } |
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431 |
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5861
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432 void |
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433 tree_breakpoint::visit_anon_fcn_handle (tree_anon_fcn_handle& afh) |
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434 { |
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435 if (found) |
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436 return; |
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437 |
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438 if (afh.line () >= line) |
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439 take_action (afh); |
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440 } |
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441 |
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442 void |
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443 tree_breakpoint::visit_constant (tree_constant& cmd) |
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444 { |
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445 if (found) |
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446 return; |
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447 |
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448 if (cmd.line () >= line) |
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449 take_action (cmd); |
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450 } |
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451 |
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452 void |
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4342
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453 tree_breakpoint::visit_fcn_handle (tree_fcn_handle& fh) |
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454 { |
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455 if (found) |
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456 return; |
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457 |
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458 if (fh.line () >= line) |
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459 take_action (fh); |
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460 } |
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461 |
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462 void |
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463 tree_breakpoint::visit_parameter_list (tree_parameter_list& lst) |
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464 { |
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465 if (found) |
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466 return; |
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467 |
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4219
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468 tree_parameter_list::iterator p = lst.begin (); |
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469 |
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4219
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470 while (p != lst.end ()) |
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471 { |
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6215
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472 tree_decl_elt *elt = *p++; |
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473 |
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474 if (elt) |
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475 elt->accept (*this); |
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476 } |
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477 } |
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478 |
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479 void |
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480 tree_breakpoint::visit_postfix_expression (tree_postfix_expression& expr) |
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481 { |
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482 if (found) |
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483 return; |
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484 |
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485 if (expr.line () >= line) |
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486 take_action (expr); |
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487 |
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488 tree_expression *e = expr.operand (); |
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489 |
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490 if (e) |
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491 e->accept (*this); |
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492 } |
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493 |
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494 void |
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495 tree_breakpoint::visit_prefix_expression (tree_prefix_expression& expr) |
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496 { |
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497 if (found) |
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498 return; |
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499 |
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500 if (expr.line () >= line) |
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501 take_action (expr); |
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502 |
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503 tree_expression *e = expr.operand (); |
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504 |
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505 if (e) |
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506 e->accept (*this); |
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507 } |
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508 |
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509 void |
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4207
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510 tree_breakpoint::visit_return_command (tree_return_command& cmd) |
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511 { |
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512 if (found) |
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513 return; |
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514 |
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515 if (cmd.line () >= line) |
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516 take_action (cmd); |
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517 } |
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518 |
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519 void |
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520 tree_breakpoint::visit_return_list (tree_return_list& lst) |
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521 { |
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522 if (found) |
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523 return; |
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524 |
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4219
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525 tree_return_list::iterator p = lst.begin (); |
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3771
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526 |
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4219
|
527 while (p != lst.end ()) |
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3771
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528 { |
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4219
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529 tree_index_expression *elt = *p++; |
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3771
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530 |
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531 if (elt) |
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532 elt->accept (*this); |
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533 } |
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534 } |
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535 |
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536 void |
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537 tree_breakpoint::visit_simple_assignment (tree_simple_assignment& expr) |
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538 { |
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539 if (found) |
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540 return; |
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541 |
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542 if (expr.line () >= line) |
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543 take_action (expr); |
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544 |
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545 } |
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546 |
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547 void |
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548 tree_breakpoint::visit_statement (tree_statement& stmt) |
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549 { |
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550 if (found) |
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|
551 return; |
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552 |
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553 tree_command *cmd = stmt.command (); |
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554 |
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555 if (cmd) |
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556 cmd->accept (*this); |
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557 else |
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558 { |
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559 tree_expression *expr = stmt.expression (); |
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560 |
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561 if (expr) |
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562 expr->accept (*this); |
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563 } |
|
|
564 } |
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565 |
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566 void |
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567 tree_breakpoint::visit_statement_list (tree_statement_list& lst) |
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|
568 { |
|
|
569 if (found) |
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570 return; |
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571 |
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4219
|
572 for (tree_statement_list::iterator p = lst.begin (); p != lst.end (); p++) |
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3771
|
573 { |
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4219
|
574 tree_statement *elt = *p; |
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3771
|
575 |
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576 if (elt) |
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577 elt->accept (*this); |
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|
578 } |
|
|
579 } |
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|
580 |
|
|
581 void |
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582 tree_breakpoint::visit_switch_case (tree_switch_case& cmd) |
|
|
583 { |
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|
584 if (found) |
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|
585 return; |
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|
586 |
|
|
587 // Disallow breakpoints on the label. |
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588 |
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|
589 tree_statement_list *lst = cmd.commands (); |
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|
590 |
|
|
591 if (lst) |
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|
592 lst->accept (*this); |
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|
593 } |
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|
594 |
|
|
595 void |
|
|
596 tree_breakpoint::visit_switch_case_list (tree_switch_case_list& lst) |
|
|
597 { |
|
|
598 if (found) |
|
|
599 return; |
|
|
600 |
|
4219
|
601 tree_switch_case_list::iterator p = lst.begin (); |
|
3771
|
602 |
|
4219
|
603 while (p != lst.end ()) |
|
3771
|
604 { |
|
4219
|
605 tree_switch_case *elt = *p++; |
|
3771
|
606 |
|
|
607 if (elt) |
|
|
608 elt->accept (*this); |
|
|
609 } |
|
|
610 } |
|
|
611 |
|
|
612 |
|
|
613 void |
|
|
614 tree_breakpoint::visit_switch_command (tree_switch_command& cmd) |
|
|
615 { |
|
|
616 if (found) |
|
|
617 return; |
|
|
618 |
|
|
619 tree_expression *expr = cmd.switch_value (); |
|
|
620 |
|
|
621 if (expr) |
|
|
622 expr->accept (*this); |
|
|
623 |
|
|
624 tree_switch_case_list *lst = cmd.case_list (); |
|
|
625 |
|
|
626 if (lst) |
|
|
627 lst->accept (*this); |
|
|
628 } |
|
|
629 |
|
|
630 void |
|
|
631 tree_breakpoint::visit_try_catch_command (tree_try_catch_command& cmd) |
|
|
632 { |
|
|
633 if (found) |
|
|
634 return; |
|
|
635 |
|
|
636 if (cmd.line () >= line) |
|
|
637 take_action (cmd); |
|
|
638 |
|
|
639 tree_statement_list *try_code = cmd.body (); |
|
|
640 |
|
|
641 if (try_code) |
|
|
642 try_code->accept (*this); |
|
|
643 |
|
|
644 tree_statement_list *catch_code = cmd.cleanup (); |
|
|
645 |
|
|
646 if (catch_code) |
|
|
647 catch_code->accept (*this); |
|
|
648 } |
|
|
649 |
|
|
650 void |
|
|
651 tree_breakpoint::visit_unwind_protect_command (tree_unwind_protect_command& cmd) |
|
|
652 { |
|
|
653 if (found) |
|
|
654 return; |
|
|
655 |
|
|
656 if (cmd.line () >= line) |
|
|
657 take_action (cmd); |
|
|
658 |
|
4064
|
659 tree_statement_list *lstA = cmd.body (); |
|
3771
|
660 |
|
4064
|
661 if (lstA) |
|
|
662 lstA->accept (*this); |
|
3771
|
663 |
|
4064
|
664 tree_statement_list *lstB = cmd.cleanup (); |
|
3771
|
665 |
|
4064
|
666 if (lstB) |
|
|
667 lstB->accept (*this); |
|
3771
|
668 } |
|
|
669 |
|
|
670 /* |
|
|
671 ;;; Local Variables: *** |
|
|
672 ;;; mode: C++ *** |
|
|
673 ;;; End: *** |
|
|
674 */ |
