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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 (octave_tree_bp_h) |
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24 #define octave_tree_bp_h 1 |
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25 |
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26 #if defined (__GNUG__) && defined (USE_PRAGMA_INTERFACE_IMPLEMENTATION) |
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27 #pragma interface |
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28 #endif |
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29 |
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30 #include "input.h" |
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31 #include "ov-usr-fcn.h" |
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32 #include "pt-walk.h" |
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33 #include "pt-pr-code.h" |
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34 #include "toplev.h" |
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35 |
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36 class tree; |
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37 |
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38 class |
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39 tree_breakpoint : public tree_walker |
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40 { |
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41 public: |
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42 |
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43 enum action { set = 1, clear = 2, list = 3 }; |
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44 |
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45 tree_breakpoint (int l, action a) |
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46 : line (l), act (a), found (false), bp_list () { } |
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47 |
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48 ~tree_breakpoint (void) { } |
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49 |
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50 bool success (void) const { return found; } |
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51 |
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52 void visit_argument_list (tree_argument_list&); |
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53 |
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54 void visit_binary_expression (tree_binary_expression&); |
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55 |
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56 void visit_break_expression (tree_break_expression&); |
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57 |
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58 void visit_colon_expression (tree_colon_expression&); |
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59 |
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60 void visit_continue_expression (tree_continue_expression&); |
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61 |
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62 void visit_decl_command (tree_decl_command&); |
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63 |
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64 void visit_decl_elt (tree_decl_elt&); |
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65 |
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66 void visit_decl_init_list (tree_decl_init_list&); |
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67 |
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68 void visit_while_command (tree_while_command&); |
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69 |
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70 void visit_do_until_command (tree_do_until_command&); |
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71 |
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72 void visit_simple_for_command (tree_simple_for_command&); |
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73 |
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74 void visit_complex_for_command (tree_complex_for_command&); |
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75 |
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76 void visit_octave_user_function (octave_user_function&); |
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77 |
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78 void visit_octave_user_function_header (octave_user_function&); |
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79 |
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80 void visit_octave_user_function_trailer (octave_user_function&); |
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81 |
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82 void visit_identifier (tree_identifier&); |
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83 |
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84 void visit_if_clause (tree_if_clause&); |
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85 |
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86 void visit_if_command (tree_if_command&); |
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87 |
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88 void visit_if_command_list (tree_if_command_list&); |
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89 |
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90 void visit_index_expression (tree_index_expression&); |
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91 |
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92 void visit_matrix (tree_matrix&); |
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93 |
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94 void visit_cell (tree_cell&); |
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95 |
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96 void visit_multi_assignment (tree_multi_assignment&); |
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97 |
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98 void visit_no_op_command (tree_no_op_command&); |
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99 |
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100 void visit_constant (tree_constant&); |
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101 |
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102 void visit_parameter_list (tree_parameter_list&); |
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103 |
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104 void visit_plot_command (tree_plot_command&); |
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105 |
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106 void visit_plot_limits (plot_limits&); |
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107 |
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108 void visit_plot_range (plot_range&); |
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109 |
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110 void visit_postfix_expression (tree_postfix_expression&); |
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111 |
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112 void visit_prefix_expression (tree_prefix_expression&); |
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113 |
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114 void visit_return_expression (tree_return_expression&); |
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115 |
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116 void visit_return_list (tree_return_list&); |
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117 |
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118 void visit_simple_assignment (tree_simple_assignment&); |
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119 |
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120 void visit_statement (tree_statement&); |
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121 |
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122 void visit_statement_list (tree_statement_list&); |
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123 |
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124 void visit_subplot (subplot&); |
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125 |
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126 void visit_subplot_axes (subplot_axes&); |
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127 |
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128 void visit_subplot_list (subplot_list&); |
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129 |
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130 void visit_subplot_style (subplot_style&); |
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131 |
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132 void visit_subplot_using (subplot_using&); |
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133 |
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134 void visit_switch_case (tree_switch_case&); |
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135 |
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136 void visit_switch_case_list (tree_switch_case_list&); |
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137 |
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138 void visit_switch_command (tree_switch_command&); |
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139 |
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140 void visit_try_catch_command (tree_try_catch_command&); |
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141 |
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142 void visit_unwind_protect_command (tree_unwind_protect_command&); |
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143 |
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144 octave_value_list get_list (void) { return bp_list; } |
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145 |
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146 int get_line (void) { return line; } |
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147 |
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148 private: |
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149 |
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150 void take_action (tree &tr); |
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151 |
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152 // Statement line number we are looking for. |
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153 int line; |
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154 |
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155 // What to do. |
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156 action act; |
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157 |
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158 // Have we already found the line? |
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159 bool found; |
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160 |
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161 // List of breakpoint line numbers. |
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162 octave_value_list bp_list; |
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163 |
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164 // No copying! |
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165 |
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166 tree_breakpoint (const tree_breakpoint&); |
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167 |
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168 tree_breakpoint& operator = (const tree_breakpoint&); |
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169 }; |
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170 |
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171 // TRUE means SIGINT should put us in the debugger at the next |
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172 // available breakpoint. |
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173 extern bool octave_debug_on_interrupt_state; |
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174 |
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175 #define MAYBE_DO_BREAKPOINT \ |
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176 do \ |
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177 { \ |
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178 if (octave_debug_on_interrupt_state \ |
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179 || (tree::break_next && tree::last_line == 0) \ |
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180 || (tree::break_next \ |
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181 && curr_function == tree::break_function \ |
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182 && tree::last_line != line ()) \ |
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183 || is_breakpoint ()) \ |
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184 { \ |
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185 octave_debug_on_interrupt_state = false; \ |
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186 \ |
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187 tree::break_next = false; \ |
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188 \ |
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189 if (curr_function) \ |
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190 octave_stdout << curr_function->function_name () << ": "; \ |
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191 \ |
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192 octave_stdout << "line " << line () << ", " \ |
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193 << "column " << column () \ |
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194 << std::endl; \ |
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195 \ |
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196 tree_print_code tpc (octave_stdout); \ |
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197 this->accept (tpc); \ |
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198 \ |
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199 octave_stdout << std::endl; \ |
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200 \ |
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201 tree::break_statement = this; \ |
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202 \ |
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203 do_keyboard (); \ |
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204 } \ |
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205 } \ |
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206 while (0) |
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207 |
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208 #endif |
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209 |
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210 /* |
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211 ;;; Local Variables: *** |
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212 ;;; mode: C++ *** |
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213 ;;; End: *** |
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214 */ |
