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3771
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1 /* |
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2 |
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3 Copyright (C) 2001 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 2, or (at your option) any |
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10 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, write to the Free |
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19 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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20 |
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21 */ |
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22 |
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23 #if defined (__GNUG__) |
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24 #pragma implementation |
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25 #endif |
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26 |
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27 #ifdef HAVE_CONFIG_H |
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28 #include <config.h> |
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29 #endif |
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30 |
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31 #include "ov-usr-fcn.h" |
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32 #include "ov-list.h" |
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33 #include "pager.h" |
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34 #include "pt-all.h" |
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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 lst.append (octave_value (static_cast<double> (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 *list = cmd.body (); |
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79 |
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80 if (list) |
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81 list->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 tree_statement_list *lst = cmd.body (); |
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88 |
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89 if (cmd.line () >= line) |
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90 take_action (cmd); |
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91 |
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92 if (lst) |
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93 lst->accept (*this); |
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94 |
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95 if (found) |
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96 return; |
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97 |
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98 tree_expression *expr = cmd.condition (); |
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99 |
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100 if (expr) |
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101 expr->accept (*this); |
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102 } |
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103 |
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104 void |
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105 tree_breakpoint::visit_argument_list (tree_argument_list& lst) |
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106 { |
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107 if (found) |
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108 return; |
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109 |
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110 for (Pix p = lst.first (); p != 0; lst.next (p)) |
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111 { |
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112 tree_expression *elt = lst(p); |
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113 |
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114 if (elt) |
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115 elt->accept (*this); |
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116 } |
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117 } |
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118 |
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119 void |
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120 tree_breakpoint::visit_binary_expression (tree_binary_expression& expr) |
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121 { |
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122 if (found) |
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123 return; |
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124 |
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125 tree_expression *lhs = expr.lhs (); |
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126 tree_expression *rhs = expr.rhs (); |
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127 |
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128 if (lhs && lhs->line () >= line) |
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129 { |
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130 take_action (expr); |
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131 return; |
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132 } |
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133 |
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134 if (rhs && rhs->line () >= line) |
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135 take_action (expr); |
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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 tree_expression *base = expr.base (); |
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155 |
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156 if (base) |
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157 base->accept (*this); |
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158 |
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159 tree_expression *increment = expr.increment (); |
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160 |
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161 if (increment) |
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162 increment->accept (*this); |
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163 |
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164 tree_expression *limit = expr.limit (); |
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165 |
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166 if (limit) |
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167 limit->accept (*this); |
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168 } |
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169 |
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170 void |
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171 tree_breakpoint::visit_continue_command (tree_continue_command& cmd) |
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172 { |
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173 if (found) |
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174 return; |
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175 |
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176 if (cmd.line () >= line) |
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177 take_action (cmd); |
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178 } |
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179 |
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180 void |
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181 tree_breakpoint::visit_decl_command (tree_decl_command& cmd) |
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182 { |
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183 if (found) |
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184 return; |
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185 |
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186 tree_decl_init_list *init_list = cmd.initializer_list (); |
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187 |
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188 if (init_list) |
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189 init_list->accept (*this); |
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190 } |
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191 |
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192 void |
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193 tree_breakpoint::visit_decl_elt (tree_decl_elt& cmd) |
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194 { |
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195 if (found) |
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196 return; |
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197 |
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198 tree_identifier *ident = cmd.ident (); |
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199 |
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200 if (ident) |
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201 ident->accept (*this); |
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202 |
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203 tree_expression *expr = cmd.expression (); |
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204 |
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205 if (expr) |
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206 expr->accept (*this); |
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207 |
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208 } |
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209 |
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210 void |
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211 tree_breakpoint::visit_decl_init_list (tree_decl_init_list& lst) |
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212 { |
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213 if (found) |
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214 return; |
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215 |
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216 for (Pix p = lst.first (); p != 0; lst.next (p)) |
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217 { |
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218 tree_decl_elt *elt = lst(p); |
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219 |
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220 if (elt) |
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221 elt->accept (*this); |
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222 } |
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223 } |
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224 |
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225 void |
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226 tree_breakpoint::visit_simple_for_command (tree_simple_for_command& cmd) |
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227 { |
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228 if (found) |
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229 return; |
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230 |
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231 if (cmd.line () >= line) |
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232 take_action (cmd); |
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233 |
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234 tree_expression *expr = cmd.control_expr (); |
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235 |
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236 if (expr) |
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237 expr->accept (*this); |
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238 |
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239 tree_statement_list *list = cmd.body (); |
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240 |
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241 if (list) |
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242 list->accept (*this); |
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243 } |
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244 |
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245 void |
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246 tree_breakpoint::visit_complex_for_command (tree_complex_for_command& cmd) |
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247 { |
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248 if (found) |
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249 return; |
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250 |
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251 if (cmd.line () >= line) |
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252 take_action (cmd); |
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253 |
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254 tree_expression *expr = cmd.control_expr (); |
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255 |
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256 if (expr) |
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257 expr->accept (*this); |
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258 |
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259 tree_statement_list *list = cmd.body (); |
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260 |
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261 if (list) |
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262 list->accept (*this); |
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263 |
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264 } |
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265 |
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266 void |
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267 tree_breakpoint::visit_octave_user_function (octave_user_function& cmd) |
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268 { |
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269 // we should not visit octave user functions because the function we are currently |
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270 // in is the function where the breakpoint was requested |
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271 } |
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272 |
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273 void |
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274 tree_breakpoint::visit_octave_user_function_header (octave_user_function& cmd) |
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275 { |
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276 // Do nothing |
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277 } |
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278 |
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279 void |
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280 tree_breakpoint::visit_octave_user_function_trailer (octave_user_function& cmd) |
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281 { |
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282 // Do nothing |
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283 } |
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284 |
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285 void |
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286 tree_breakpoint::visit_identifier (tree_identifier& id) |
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287 { |
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288 if (found) |
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289 return; |
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290 |
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291 if (id.line () >= line ) |
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292 take_action (id); |
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293 } |
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294 |
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295 void |
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296 tree_breakpoint::visit_if_clause (tree_if_clause& cmd) |
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297 { |
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298 if (found) |
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299 return; |
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300 |
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301 tree_expression *expr = cmd.condition (); |
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302 |
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303 if (expr) |
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304 expr->accept (*this); |
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305 |
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306 tree_statement_list *list = cmd.commands (); |
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307 |
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308 if (list) |
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309 list->accept (*this); |
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310 } |
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311 |
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312 void |
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313 tree_breakpoint::visit_if_command (tree_if_command& cmd) |
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314 { |
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315 if (found) |
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316 return; |
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317 |
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318 tree_if_command_list *list = cmd.cmd_list (); |
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319 |
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320 if (list) |
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321 list->accept (*this); |
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322 } |
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323 |
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324 void |
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325 tree_breakpoint::visit_if_command_list (tree_if_command_list& lst) |
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326 { |
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327 if (found) |
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328 return; |
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329 |
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330 for (Pix p = lst.first (); p != 0; lst.next (p)) |
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331 { |
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332 tree_if_clause *elt = lst(p); |
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333 |
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334 if (elt) |
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335 elt->accept (*this); |
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336 } |
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337 } |
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338 |
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339 void |
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340 tree_breakpoint::visit_index_expression (tree_index_expression& cmd) |
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341 { |
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342 if (found) |
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343 return; |
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344 |
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345 tree_expression *expr = cmd.expression (); |
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346 |
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347 if (expr) |
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348 if (expr->line () >= line) |
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349 take_action (*expr); |
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350 |
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351 tree_argument_list *lst = cmd.arg_list (); |
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352 |
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353 if (lst) |
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354 lst->accept (*this); |
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355 } |
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356 |
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357 void |
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358 tree_breakpoint::visit_indirect_ref (tree_indirect_ref& cmd) |
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359 { |
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360 if (found) |
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361 return; |
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362 |
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363 if (cmd.line () >= line) |
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364 take_action (cmd); |
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365 } |
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366 |
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367 void |
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368 tree_breakpoint::visit_matrix (tree_matrix& mat) |
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369 { |
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370 if (found) |
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371 return; |
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372 |
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373 Pix p = mat.first (); |
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374 |
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375 while (p) |
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376 { |
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377 tree_argument_list *elt = mat (p); |
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378 mat.next (p); |
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379 |
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380 if (elt) |
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381 elt->accept (*this); |
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382 } |
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383 } |
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384 |
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385 void |
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386 tree_breakpoint::visit_cell (tree_cell& cell) |
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387 { |
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388 if (found) |
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389 return; |
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390 |
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391 Pix p = cell.first (); |
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392 |
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393 while (p) |
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394 { |
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395 tree_argument_list *elt = cell (p); |
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396 cell.next (p); |
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397 |
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398 if (elt) |
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399 elt->accept (*this); |
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400 } |
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401 } |
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402 |
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403 void |
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404 tree_breakpoint::visit_multi_assignment (tree_multi_assignment& expr) |
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405 { |
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406 if (found) |
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407 return; |
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408 |
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409 tree_argument_list *list = expr.left_hand_side (); |
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410 |
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411 if (list) |
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412 list->accept (*this); |
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413 |
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414 tree_expression *rhs = expr.right_hand_side (); |
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415 |
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416 if (rhs) |
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417 rhs->accept (*this); |
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418 } |
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419 |
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420 void |
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421 tree_breakpoint::visit_no_op_command (tree_no_op_command& cmd) |
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422 { |
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423 if (found) |
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424 return; |
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425 |
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426 if (cmd.line () >= line) |
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427 take_action (cmd); |
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428 } |
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429 |
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430 void |
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431 tree_breakpoint::visit_constant (tree_constant& cmd) |
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432 { |
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433 if (found) |
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434 return; |
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435 |
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436 if (cmd.line () >= line) |
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437 take_action (cmd); |
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438 } |
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439 |
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440 void |
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441 tree_breakpoint::visit_parameter_list (tree_parameter_list& lst) |
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442 { |
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443 if (found) |
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444 return; |
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445 |
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446 Pix p = lst.first (); |
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447 |
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448 while (p) |
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449 { |
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450 tree_identifier *elt = lst(p); |
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451 lst.next (p); |
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452 |
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453 if (elt) |
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454 elt->accept (*this); |
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455 } |
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456 } |
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457 |
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458 void |
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459 tree_breakpoint::visit_plot_command (tree_plot_command& cmd) |
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460 { |
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461 if (found) |
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462 return; |
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463 |
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464 // Don't bother looking at the range plot list since they must be |
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465 // on the same line. |
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466 |
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467 if (cmd.line () >= line) |
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468 take_action (cmd); |
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469 } |
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470 |
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471 void |
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472 tree_breakpoint::visit_plot_limits (plot_limits& cmd) |
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473 { |
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474 // Do nothing. This case will be handled in visit_tree_plot_command. |
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475 } |
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476 |
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477 void |
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478 tree_breakpoint::visit_plot_range (plot_range& cmd) |
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479 { |
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480 // Do nothing. This case will be handled in visit_tree_plot_command. |
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481 } |
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482 |
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483 void |
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484 tree_breakpoint::visit_postfix_expression (tree_postfix_expression& expr) |
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485 { |
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486 if (found) |
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487 return; |
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488 |
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489 if (expr.line () >= line) |
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490 take_action (expr); |
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491 |
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492 tree_expression *e = expr.operand (); |
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493 |
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494 if (e) |
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495 e->accept (*this); |
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496 } |
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497 |
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498 void |
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499 tree_breakpoint::visit_prefix_expression (tree_prefix_expression& expr) |
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500 { |
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501 if (found) |
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502 return; |
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503 |
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504 if (expr.line () >= line) |
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505 take_action (expr); |
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506 |
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507 tree_expression *e = expr.operand (); |
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508 |
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509 if (e) |
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510 e->accept (*this); |
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511 } |
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512 |
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513 void |
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514 tree_breakpoint::visit_return_command (tree_return_command& cmd) |
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515 { |
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516 if (found) |
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517 return; |
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518 |
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519 if (cmd.line () >= line) |
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520 take_action (cmd); |
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521 } |
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522 |
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523 void |
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524 tree_breakpoint::visit_return_list (tree_return_list& lst) |
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525 { |
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526 if (found) |
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527 return; |
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528 |
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529 Pix p = lst.first (); |
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530 |
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531 while (p) |
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532 { |
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533 tree_index_expression *elt = lst(p); |
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534 lst.next (p); |
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535 |
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536 if (elt) |
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537 elt->accept (*this); |
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538 } |
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539 } |
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540 |
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541 void |
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542 tree_breakpoint::visit_simple_assignment (tree_simple_assignment& expr) |
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543 { |
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544 if (found) |
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545 return; |
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546 |
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547 if (expr.line () >= line) |
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548 take_action (expr); |
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549 |
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550 } |
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551 |
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552 void |
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553 tree_breakpoint::visit_statement (tree_statement& stmt) |
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554 { |
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555 if (found) |
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556 return; |
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557 |
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558 tree_command *cmd = stmt.command (); |
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559 |
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560 if (cmd) |
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561 cmd->accept (*this); |
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562 else |
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563 { |
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|
564 tree_expression *expr = stmt.expression (); |
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565 |
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566 if (expr) |
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567 expr->accept (*this); |
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568 } |
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569 } |
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570 |
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571 void |
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572 tree_breakpoint::visit_statement_list (tree_statement_list& lst) |
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573 { |
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574 if (found) |
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575 return; |
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|
576 |
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577 for (Pix p = lst.first (); p != 0; lst.next (p)) |
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|
578 { |
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|
579 tree_statement *elt = lst(p); |
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|
580 |
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581 if (elt) |
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582 elt->accept (*this); |
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583 } |
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|
584 } |
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|
585 |
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586 void |
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587 tree_breakpoint::visit_subplot (subplot& cmd) |
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588 { |
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589 // Do nothing. This case will be handled in visit_tree_plot_command. |
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590 } |
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591 |
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592 void |
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|
593 tree_breakpoint::visit_subplot_axes (subplot_axes& cmd) |
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594 { |
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595 // Do nothing. This caser will be handled in visit_tree_plot_command. |
|
|
596 } |
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597 |
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598 void |
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599 tree_breakpoint::visit_subplot_list (subplot_list& cmd) |
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|
600 { |
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|
601 // Do nothing. This case will be handled in visit_tree_plot_command. |
|
|
602 } |
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603 |
|
|
604 void |
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605 tree_breakpoint::visit_subplot_style (subplot_style& cmd) |
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|
606 { |
|
|
607 // Do nothing. This case will be handled in visit_tree_plot_command. |
|
|
608 } |
|
|
609 |
|
|
610 void |
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|
611 tree_breakpoint::visit_subplot_using (subplot_using& cmd) |
|
|
612 { |
|
|
613 // Do nothing. This case will be handled in visit_tree_plot_command. |
|
|
614 } |
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|
615 |
|
|
616 void |
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|
617 tree_breakpoint::visit_switch_case (tree_switch_case& cmd) |
|
|
618 { |
|
|
619 if (found) |
|
|
620 return; |
|
|
621 |
|
|
622 // Disallow breakpoints on the label. |
|
|
623 |
|
|
624 tree_statement_list *lst = cmd.commands (); |
|
|
625 |
|
|
626 if (lst) |
|
|
627 lst->accept (*this); |
|
|
628 } |
|
|
629 |
|
|
630 void |
|
|
631 tree_breakpoint::visit_switch_case_list (tree_switch_case_list& lst) |
|
|
632 { |
|
|
633 if (found) |
|
|
634 return; |
|
|
635 |
|
|
636 Pix p = lst.first (); |
|
|
637 |
|
|
638 while (p) |
|
|
639 { |
|
|
640 tree_switch_case *elt = lst(p); |
|
|
641 |
|
|
642 if (elt) |
|
|
643 elt->accept (*this); |
|
|
644 |
|
|
645 lst.next (p); |
|
|
646 } |
|
|
647 } |
|
|
648 |
|
|
649 |
|
|
650 void |
|
|
651 tree_breakpoint::visit_switch_command (tree_switch_command& cmd) |
|
|
652 { |
|
|
653 if (found) |
|
|
654 return; |
|
|
655 |
|
|
656 tree_expression *expr = cmd.switch_value (); |
|
|
657 |
|
|
658 if (expr) |
|
|
659 expr->accept (*this); |
|
|
660 |
|
|
661 tree_switch_case_list *lst = cmd.case_list (); |
|
|
662 |
|
|
663 if (lst) |
|
|
664 lst->accept (*this); |
|
|
665 } |
|
|
666 |
|
|
667 void |
|
|
668 tree_breakpoint::visit_try_catch_command (tree_try_catch_command& cmd) |
|
|
669 { |
|
|
670 if (found) |
|
|
671 return; |
|
|
672 |
|
|
673 if (cmd.line () >= line) |
|
|
674 take_action (cmd); |
|
|
675 |
|
|
676 tree_statement_list *try_code = cmd.body (); |
|
|
677 |
|
|
678 if (try_code) |
|
|
679 try_code->accept (*this); |
|
|
680 |
|
|
681 tree_statement_list *catch_code = cmd.cleanup (); |
|
|
682 |
|
|
683 if (catch_code) |
|
|
684 catch_code->accept (*this); |
|
|
685 } |
|
|
686 |
|
|
687 void |
|
|
688 tree_breakpoint::visit_unwind_protect_command (tree_unwind_protect_command& cmd) |
|
|
689 { |
|
|
690 if (found) |
|
|
691 return; |
|
|
692 |
|
|
693 if (cmd.line () >= line) |
|
|
694 take_action (cmd); |
|
|
695 |
|
|
696 tree_statement_list *lst1 = cmd.body (); |
|
|
697 |
|
|
698 if (lst1) |
|
|
699 lst1->accept (*this); |
|
|
700 |
|
|
701 tree_statement_list *lst2 = cmd.cleanup (); |
|
|
702 |
|
|
703 if (lst2) |
|
|
704 lst2->accept (*this); |
|
|
705 } |
|
|
706 |
|
|
707 /* |
|
|
708 ;;; Local Variables: *** |
|
|
709 ;;; mode: C++ *** |
|
|
710 ;;; End: *** |
|
|
711 */ |
