Mercurial > octave-nkf
annotate src/pt-bp.h @ 7961:a5d1e27ee1f4 ss-3-1-51
3.1.51 snapshot
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Tue, 22 Jul 2008 11:40:48 -0400 |
| parents | 5640a70cbab1 |
| children | 73c4516fae10 |
| rev | line source |
|---|---|
| 3771 | 1 /* |
| 2 | |
| 7017 | 3 Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 Ben Sapp |
| 3771 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 3771 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 3771 | 20 |
| 21 */ | |
| 22 | |
| 23 #if !defined (octave_tree_bp_h) | |
| 24 #define octave_tree_bp_h 1 | |
| 25 | |
| 26 #include "input.h" | |
| 3805 | 27 #include "ov-usr-fcn.h" |
| 3771 | 28 #include "pt-walk.h" |
| 3805 | 29 #include "pt-pr-code.h" |
| 30 #include "toplev.h" | |
| 3771 | 31 |
| 32 class tree; | |
| 33 | |
| 34 class | |
| 35 tree_breakpoint : public tree_walker | |
| 36 { | |
| 37 public: | |
| 38 | |
| 39 enum action { set = 1, clear = 2, list = 3 }; | |
| 40 | |
| 41 tree_breakpoint (int l, action a) | |
| 3805 | 42 : line (l), act (a), found (false), bp_list () { } |
| 3771 | 43 |
| 44 ~tree_breakpoint (void) { } | |
| 45 | |
| 46 bool success (void) const { return found; } | |
| 47 | |
| 48 void visit_argument_list (tree_argument_list&); | |
| 49 | |
| 50 void visit_binary_expression (tree_binary_expression&); | |
| 51 | |
| 4207 | 52 void visit_break_command (tree_break_command&); |
| 3771 | 53 |
| 54 void visit_colon_expression (tree_colon_expression&); | |
| 55 | |
| 4207 | 56 void visit_continue_command (tree_continue_command&); |
| 3771 | 57 |
| 58 void visit_decl_command (tree_decl_command&); | |
| 59 | |
| 60 void visit_decl_elt (tree_decl_elt&); | |
| 61 | |
| 62 void visit_decl_init_list (tree_decl_init_list&); | |
| 63 | |
| 64 void visit_while_command (tree_while_command&); | |
| 65 | |
| 66 void visit_do_until_command (tree_do_until_command&); | |
| 67 | |
| 68 void visit_simple_for_command (tree_simple_for_command&); | |
| 69 | |
| 70 void visit_complex_for_command (tree_complex_for_command&); | |
| 71 | |
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72 void visit_octave_user_script (octave_user_script&); |
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73 |
| 3771 | 74 void visit_octave_user_function (octave_user_function&); |
| 75 | |
| 76 void visit_octave_user_function_header (octave_user_function&); | |
| 77 | |
| 78 void visit_octave_user_function_trailer (octave_user_function&); | |
| 79 | |
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80 void visit_function_def (tree_function_def&); |
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81 |
| 3771 | 82 void visit_identifier (tree_identifier&); |
| 83 | |
| 84 void visit_if_clause (tree_if_clause&); | |
| 85 | |
| 86 void visit_if_command (tree_if_command&); | |
| 87 | |
| 88 void visit_if_command_list (tree_if_command_list&); | |
| 89 | |
| 90 void visit_index_expression (tree_index_expression&); | |
| 91 | |
| 92 void visit_matrix (tree_matrix&); | |
| 93 | |
| 94 void visit_cell (tree_cell&); | |
| 95 | |
| 96 void visit_multi_assignment (tree_multi_assignment&); | |
| 97 | |
| 98 void visit_no_op_command (tree_no_op_command&); | |
| 99 | |
| 5861 | 100 void visit_anon_fcn_handle (tree_anon_fcn_handle&); |
| 101 | |
| 3771 | 102 void visit_constant (tree_constant&); |
| 103 | |
| 4342 | 104 void visit_fcn_handle (tree_fcn_handle&); |
| 105 | |
| 3771 | 106 void visit_parameter_list (tree_parameter_list&); |
| 107 | |
| 108 void visit_postfix_expression (tree_postfix_expression&); | |
| 109 | |
| 110 void visit_prefix_expression (tree_prefix_expression&); | |
| 111 | |
| 4207 | 112 void visit_return_command (tree_return_command&); |
| 3771 | 113 |
| 114 void visit_return_list (tree_return_list&); | |
| 115 | |
| 116 void visit_simple_assignment (tree_simple_assignment&); | |
| 117 | |
| 118 void visit_statement (tree_statement&); | |
| 119 | |
| 120 void visit_statement_list (tree_statement_list&); | |
| 121 | |
| 122 void visit_switch_case (tree_switch_case&); | |
| 123 | |
| 124 void visit_switch_case_list (tree_switch_case_list&); | |
| 125 | |
| 126 void visit_switch_command (tree_switch_command&); | |
| 127 | |
| 128 void visit_try_catch_command (tree_try_catch_command&); | |
| 129 | |
| 130 void visit_unwind_protect_command (tree_unwind_protect_command&); | |
| 131 | |
| 3805 | 132 octave_value_list get_list (void) { return bp_list; } |
| 3771 | 133 |
| 134 int get_line (void) { return line; } | |
| 135 | |
| 136 private: | |
| 137 | |
| 138 void take_action (tree &tr); | |
| 139 | |
| 3805 | 140 // Statement line number we are looking for. |
| 3771 | 141 int line; |
| 142 | |
| 3805 | 143 // What to do. |
| 3771 | 144 action act; |
| 3805 | 145 |
| 146 // Have we already found the line? | |
| 3771 | 147 bool found; |
| 148 | |
| 3805 | 149 // List of breakpoint line numbers. |
| 150 octave_value_list bp_list; | |
| 3771 | 151 |
| 152 // No copying! | |
| 153 | |
| 154 tree_breakpoint (const tree_breakpoint&); | |
| 155 | |
| 156 tree_breakpoint& operator = (const tree_breakpoint&); | |
| 157 }; | |
| 158 | |
| 4185 | 159 // TRUE means SIGINT should put us in the debugger at the next |
| 160 // available breakpoint. | |
| 161 extern bool octave_debug_on_interrupt_state; | |
| 162 | |
| 3771 | 163 #define MAYBE_DO_BREAKPOINT \ |
| 164 do \ | |
| 165 { \ | |
| 6802 | 166 octave_function *xfcn = octave_call_stack::current (); \ |
| 5743 | 167 \ |
| 4185 | 168 if (octave_debug_on_interrupt_state \ |
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169 || (tree::break_next >= 0 \ |
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170 && (tree::break_function == 0 || tree::break_function == xfcn) \ |
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171 && (tree::last_break_function != xfcn || tree::last_line != line ())) \ |
| 3805 | 172 || is_breakpoint ()) \ |
| 3771 | 173 { \ |
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174 if (!octave_debug_on_interrupt_state && tree::break_next > 0) \ |
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175 { \ |
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176 tree::break_next--; \ |
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177 if (tree::last_line > 0) \ |
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178 tree::last_line = line(); \ |
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179 } \ |
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180 else \ |
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181 { \ |
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182 octave_debug_on_interrupt_state = false; \ |
| 4185 | 183 \ |
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184 tree::break_next = -1; \ |
| 3805 | 185 \ |
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186 if (xfcn) \ |
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187 octave_stdout << xfcn->name () << ": "; \ |
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188 \ |
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189 octave_stdout << "line " << line () << ", " \ |
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190 << "column " << column () \ |
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191 << std::endl; \ |
| 3805 | 192 \ |
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193 tree_print_code tpc (octave_stdout); \ |
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194 this->accept (tpc); \ |
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195 \ |
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196 octave_stdout << std::endl; \ |
| 3805 | 197 \ |
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198 tree::break_statement = this; \ |
| 3805 | 199 \ |
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200 do_keyboard (); \ |
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201 } \ |
| 3771 | 202 } \ |
| 203 } \ | |
| 204 while (0) | |
| 205 | |
| 206 #endif | |
| 207 | |
| 208 /* | |
| 209 ;;; Local Variables: *** | |
| 210 ;;; mode: C++ *** | |
| 211 ;;; End: *** | |
| 212 */ |