Mercurial > octave
annotate src/debug.cc @ 10160:cd96d29c5efa
remove Emacs local-variable settings from source files in src directory
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 20 Jan 2010 20:39:26 -0500 |
| parents | 2cd940306a06 |
| children | 095a1e670e68 |
| rev | line source |
|---|---|
| 3805 | 1 /* |
| 2 | |
| 8920 | 3 Copyright (C) 2007, 2008, 2009 John Swensen |
| 7348 | 4 Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006 Ben Sapp |
| 3805 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 3805 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 7016 | 19 along with Octave; see the file COPYING. If not, see |
| 20 <http://www.gnu.org/licenses/>. | |
| 3805 | 21 |
| 22 */ | |
| 23 #ifdef HAVE_CONFIG_H | |
| 24 #include <config.h> | |
| 25 #endif | |
| 26 | |
|
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27 #include <deque> |
| 3895 | 28 #include <fstream> |
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29 #include <iostream> |
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30 #include <set> |
| 3948 | 31 #include <string> |
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32 |
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33 #include "file-stat.h" |
| 7082 | 34 |
| 3805 | 35 #include "defun.h" |
| 36 #include "error.h" | |
| 7082 | 37 #include "help.h" |
| 3805 | 38 #include "input.h" |
| 39 #include "pager.h" | |
| 40 #include "oct-obj.h" | |
| 41 #include "utils.h" | |
| 42 #include "parse.h" | |
| 43 #include "symtab.h" | |
| 44 #include "gripes.h" | |
| 45 #include "ov.h" | |
| 46 #include "ov-usr-fcn.h" | |
| 47 #include "ov-fcn.h" | |
| 7082 | 48 #include "ov-list.h" |
| 49 #include "ov-struct.h" | |
| 3805 | 50 #include "pt-pr-code.h" |
| 51 #include "pt-bp.h" | |
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52 #include "pt-eval.h" |
| 3805 | 53 #include "pt-stmt.h" |
| 54 #include "toplev.h" | |
| 55 #include "unwind-prot.h" | |
| 56 #include "variables.h" | |
| 57 | |
| 7082 | 58 #include "debug.h" |
| 59 | |
| 60 // Initialize the singleton object | |
| 7083 | 61 bp_table *bp_table::instance = 0; |
| 7082 | 62 |
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63 static std::string |
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64 snarf_file (const std::string& fname) |
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65 { |
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66 std::string retval; |
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67 |
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68 file_stat fs (fname); |
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69 |
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70 if (fs) |
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71 { |
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72 size_t sz = fs.size (); |
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73 |
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74 std::ifstream file (fname.c_str (), std::ios::in|std::ios::binary); |
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75 |
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76 if (file) |
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77 { |
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78 std::string buf (sz+1, 0); |
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79 |
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80 file.read (&buf[0], sz+1); |
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81 |
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82 if (file.eof ()) |
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83 { |
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84 // Expected to read the entire file. |
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85 |
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86 retval = buf; |
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87 } |
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88 else |
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89 error ("error reading file %s", fname.c_str ()); |
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90 } |
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91 } |
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92 |
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93 return retval; |
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94 } |
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95 |
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96 static std::deque<size_t> |
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97 get_line_offsets (const std::string& buf) |
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98 { |
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99 // This could maybe be smarter. Is deque the right thing to use |
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100 // here? |
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101 |
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102 std::deque<size_t> offsets; |
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103 |
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104 offsets.push_back (0); |
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105 |
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106 size_t len = buf.length (); |
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107 |
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108 for (size_t i = 0; i < len; i++) |
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109 { |
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110 char c = buf[i]; |
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111 |
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112 if (c == '\r' && ++i < len) |
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113 { |
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114 c = buf[i]; |
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115 |
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116 if (c == '\n') |
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117 offsets.push_back (i+1); |
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118 else |
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119 offsets.push_back (i); |
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120 } |
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121 else if (c == '\n') |
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122 offsets.push_back (i+1); |
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123 } |
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124 |
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125 offsets.push_back (len); |
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126 |
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127 return offsets; |
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128 } |
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129 |
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130 std::string |
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131 get_file_line (const std::string& fname, size_t line) |
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132 { |
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133 std::string retval; |
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134 |
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135 static std::string last_fname; |
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136 |
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137 static std::string buf; |
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138 |
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139 static std::deque<size_t> offsets; |
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140 |
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141 if (fname != last_fname) |
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142 { |
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143 buf = snarf_file (fname); |
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144 |
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145 offsets = get_line_offsets (buf); |
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146 } |
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147 |
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148 if (line > 0) |
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149 line--; |
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150 |
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151 if (line < offsets.size () - 1) |
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152 { |
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153 size_t bol = offsets[line]; |
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154 size_t eol = offsets[line+1]; |
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155 |
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156 while (eol > 0 && (buf[eol-1] == '\n' || buf[eol-1] == '\r')) |
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157 eol--; |
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158 |
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159 retval = buf.substr (bol, eol - bol); |
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160 } |
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161 |
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162 return retval; |
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163 } |
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164 |
| 5743 | 165 // Return a pointer to the user-defined function FNAME. If FNAME is |
| 166 // empty, search backward for the first user-defined function in the | |
| 167 // current call stack. | |
| 7083 | 168 |
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169 static octave_user_code * |
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170 get_user_code (const std::string& fname = std::string ()) |
| 3805 | 171 { |
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172 octave_user_code *dbg_fcn = 0; |
| 3805 | 173 |
| 7083 | 174 if (fname.empty ()) |
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175 dbg_fcn = octave_call_stack::caller_user_code (); |
| 5743 | 176 else |
| 3805 | 177 { |
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178 octave_value fcn = symbol_table::find_function (fname); |
| 3946 | 179 |
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180 if (fcn.is_defined () && fcn.is_user_code ()) |
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181 dbg_fcn = fcn.user_code_value (); |
| 3805 | 182 } |
| 183 | |
| 184 return dbg_fcn; | |
| 185 } | |
| 186 | |
| 7082 | 187 static void |
| 7348 | 188 parse_dbfunction_params (const char *who, const octave_value_list& args, |
| 189 std::string& symbol_name, bp_table::intmap& lines) | |
| 7082 | 190 { |
| 191 int nargin = args.length (); | |
| 192 int idx = 0; | |
| 193 int list_idx = 0; | |
| 194 symbol_name = std::string (); | |
| 7348 | 195 lines = bp_table::intmap (); |
| 196 | |
| 197 if (args.length () == 0) | |
| 198 return; | |
| 7082 | 199 |
| 7083 | 200 // If we are already in a debugging function. |
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201 if (octave_call_stack::caller_user_code ()) |
| 7348 | 202 { |
| 203 idx = 0; | |
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204 symbol_name = get_user_code ()->name (); |
| 7348 | 205 } |
| 206 else if (args(0).is_map ()) | |
| 7082 | 207 { |
| 7348 | 208 // Problem because parse_dbfunction_params() can only pass out a |
| 209 // single function | |
| 210 } | |
| 211 else if (args(0).is_string()) | |
| 212 { | |
| 213 symbol_name = args(0).string_value (); | |
| 7082 | 214 if (error_state) |
| 215 return; | |
| 216 idx = 1; | |
| 217 } | |
| 7348 | 218 else |
| 219 error ("%s: invalid parameter specified", who); | |
| 7082 | 220 |
| 221 for (int i = idx; i < nargin; i++ ) | |
| 222 { | |
| 7348 | 223 if (args(i).is_string ()) |
| 7082 | 224 { |
| 7083 | 225 int line = atoi (args(i).string_value().c_str ()); |
| 7082 | 226 if (error_state) |
| 7083 | 227 break; |
| 7082 | 228 lines[list_idx++] = line; |
| 229 } | |
| 7348 | 230 else if (args(i).is_map ()) |
| 231 octave_stdout << who << ": accepting a struct" << std::endl; | |
| 7082 | 232 else |
| 233 { | |
| 7083 | 234 const NDArray arg = args(i).array_value (); |
| 7082 | 235 |
| 236 if (error_state) | |
| 237 break; | |
| 238 | |
| 7083 | 239 for (octave_idx_type j = 0; j < arg.nelem (); j++) |
| 7082 | 240 { |
| 241 int line = static_cast<int> (arg.elem (j)); | |
| 242 if (error_state) | |
| 243 break; | |
| 244 lines[list_idx++] = line; | |
| 245 } | |
| 246 | |
| 247 if (error_state) | |
| 248 break; | |
| 249 } | |
| 250 } | |
| 251 } | |
| 252 | |
| 7083 | 253 bp_table::intmap |
| 254 bp_table::do_add_breakpoint (const std::string& fname, | |
| 255 const bp_table::intmap& line) | |
| 7082 | 256 { |
| 7083 | 257 intmap retval; |
| 7082 | 258 |
| 259 octave_idx_type len = line.size (); | |
| 7083 | 260 |
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261 octave_user_code *dbg_fcn = get_user_code (fname); |
| 7082 | 262 |
| 263 if (dbg_fcn) | |
| 264 { | |
| 265 tree_statement_list *cmds = dbg_fcn->body (); | |
| 7083 | 266 |
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267 if (cmds) |
| 7082 | 268 { |
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269 for (int i = 0; i < len; i++) |
| 7082 | 270 { |
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271 const_intmap_iterator p = line.find (i); |
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272 |
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273 if (p != line.end ()) |
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274 { |
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275 int lineno = p->second; |
| 7083 | 276 |
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277 retval[i] = cmds->set_breakpoint (lineno); |
| 7083 | 278 |
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279 if (retval[i] != 0) |
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280 { |
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281 bp_set.insert (fname); |
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282 } |
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283 } |
| 7082 | 284 } |
| 285 } | |
| 286 } | |
| 287 else | |
| 288 error ("add_breakpoint: unable to find the function requested\n"); | |
| 289 | |
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290 tree_evaluator::debug_mode = bp_table::have_breakpoints (); |
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291 |
| 7082 | 292 return retval; |
| 293 } | |
| 294 | |
| 295 | |
| 296 int | |
| 7083 | 297 bp_table::do_remove_breakpoint (const std::string& fname, |
| 298 const bp_table::intmap& line) | |
| 7082 | 299 { |
| 7083 | 300 int retval = 0; |
| 7082 | 301 |
| 302 octave_idx_type len = line.size (); | |
| 303 | |
| 304 if (len == 0) | |
| 305 { | |
| 306 intmap results = remove_all_breakpoints_in_file (fname); | |
| 307 retval = results.size (); | |
| 308 } | |
| 309 else | |
| 310 { | |
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311 octave_user_code *dbg_fcn = get_user_code (fname); |
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312 |
| 7082 | 313 if (dbg_fcn) |
| 314 { | |
| 315 tree_statement_list *cmds = dbg_fcn->body (); | |
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316 |
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317 if (cmds) |
| 7082 | 318 { |
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319 octave_value_list results = cmds->list_breakpoints (); |
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320 |
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321 if (results.length () > 0) |
| 7348 | 322 { |
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323 for (int i = 0; i < len; i++) |
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324 { |
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325 const_intmap_iterator p = line.find (i); |
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326 |
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327 if (p != line.end ()) |
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328 cmds->delete_breakpoint (p->second); |
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329 } |
| 7083 | 330 |
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331 results = cmds->list_breakpoints (); |
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332 |
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333 bp_set_iterator it = bp_set.find (fname); |
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334 if (results.length () == 0 && it != bp_set.end ()) |
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335 bp_set.erase (it); |
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336 |
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337 } |
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338 |
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339 retval = results.length (); |
| 7082 | 340 } |
| 341 } | |
| 342 else | |
| 343 error ("remove_breakpoint: unable to find the function requested\n"); | |
| 344 } | |
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345 |
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346 tree_evaluator::debug_mode = bp_table::have_breakpoints (); |
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347 |
| 7082 | 348 return retval; |
| 349 } | |
| 350 | |
| 351 | |
| 7083 | 352 bp_table::intmap |
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353 bp_table::do_remove_all_breakpoints_in_file (const std::string& fname, |
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354 bool silent) |
| 7082 | 355 { |
| 7083 | 356 intmap retval; |
| 7082 | 357 |
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358 octave_user_code *dbg_fcn = get_user_code (fname); |
| 7082 | 359 |
| 360 if (dbg_fcn) | |
| 361 { | |
| 362 tree_statement_list *cmds = dbg_fcn->body (); | |
| 7083 | 363 |
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364 if (cmds) |
| 7082 | 365 { |
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366 octave_value_list bkpts = cmds->list_breakpoints (); |
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367 |
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368 for (int i = 0; i < bkpts.length (); i++) |
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369 { |
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370 int lineno = static_cast<int> (bkpts(i).int_value ()); |
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371 cmds->delete_breakpoint (lineno); |
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372 retval[i] = lineno; |
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373 } |
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374 |
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375 bp_set_iterator it = bp_set.find (fname); |
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376 if (it != bp_set.end ()) |
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377 bp_set.erase (it); |
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378 |
| 7082 | 379 } |
| 380 } | |
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381 else if (! silent) |
| 7082 | 382 error ("remove_all_breakpoint_in_file: " |
| 383 "unable to find the function requested\n"); | |
| 384 | |
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385 tree_evaluator::debug_mode = bp_table::have_breakpoints (); |
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386 |
| 7082 | 387 return retval; |
| 388 } | |
| 389 | |
| 390 void | |
| 7083 | 391 bp_table::do_remove_all_breakpoints (void) |
| 7082 | 392 { |
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393 for (const_bp_set_iterator it = bp_set.begin (); it != bp_set.end (); it++) |
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394 remove_all_breakpoints_in_file (*it); |
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395 |
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396 |
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397 tree_evaluator::debug_mode = bp_table::have_breakpoints (); |
| 7082 | 398 } |
| 399 | |
| 400 std::string | |
| 401 do_find_bkpt_list (octave_value_list slist, | |
| 402 std::string match) | |
| 403 { | |
| 404 std::string retval; | |
| 7083 | 405 |
| 7082 | 406 for (int i = 0; i < slist.length (); i++) |
| 407 { | |
| 408 if (slist (i).string_value () == match) | |
| 409 { | |
| 7083 | 410 retval = slist(i).string_value (); |
| 7082 | 411 break; |
| 412 } | |
| 413 } | |
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414 |
| 7082 | 415 return retval; |
| 416 } | |
| 417 | |
| 418 | |
| 7083 | 419 bp_table::fname_line_map |
| 420 bp_table::do_get_breakpoint_list (const octave_value_list& fname_list) | |
| 7082 | 421 { |
| 7083 | 422 fname_line_map retval; |
| 7082 | 423 |
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424 for (bp_set_iterator it = bp_set.begin (); it != bp_set.end (); it++) |
| 7082 | 425 { |
| 7083 | 426 if (fname_list.length () == 0 |
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427 || do_find_bkpt_list (fname_list, *it) != "") |
| 7082 | 428 { |
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429 octave_user_code *f = get_user_code (*it); |
| 7083 | 430 |
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431 if (f) |
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432 { |
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433 tree_statement_list *cmds = f->body (); |
| 7083 | 434 |
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435 if (cmds) |
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436 { |
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437 octave_value_list bkpts = cmds->list_breakpoints (); |
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438 octave_idx_type len = bkpts.length (); |
| 7083 | 439 |
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440 if (len > 0) |
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441 { |
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442 bp_table::intmap bkpts_vec; |
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443 |
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444 for (int i = 0; i < len; i++) |
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445 bkpts_vec[i] = bkpts (i).double_value (); |
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446 |
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447 std::string symbol_name = f->name (); |
| 7083 | 448 |
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449 retval[symbol_name] = bkpts_vec; |
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450 } |
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451 } |
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452 } |
| 7082 | 453 } |
| 454 } | |
| 7083 | 455 |
| 7082 | 456 return retval; |
| 457 } | |
| 458 | |
| 459 static octave_value | |
| 7083 | 460 intmap_to_ov (const bp_table::intmap& line) |
| 7082 | 461 { |
| 462 int idx = 0; | |
| 7083 | 463 |
| 464 NDArray retval (dim_vector (1, line.size ())); | |
| 465 | |
| 466 for (size_t i = 0; i < line.size (); i++) | |
| 7082 | 467 { |
| 7083 | 468 bp_table::const_intmap_iterator p = line.find (i); |
| 469 | |
| 7082 | 470 if (p != line.end ()) |
| 471 { | |
| 472 int lineno = p->second; | |
| 7083 | 473 retval(idx++) = lineno; |
| 7082 | 474 } |
| 475 } | |
| 7083 | 476 |
| 7082 | 477 retval.resize (dim_vector (1, idx)); |
| 7083 | 478 |
| 7082 | 479 return retval; |
| 480 } | |
| 3895 | 481 |
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482 DEFUN (dbstop, args, , |
| 3805 | 483 "-*- texinfo -*-\n\ |
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484 @deftypefn {Loadable Function} {@var{rline} =} dbstop (@var{func}, @var{line}, @dots{})\n\ |
| 3805 | 485 Set a breakpoint in a function\n\ |
| 486 @table @code\n\ | |
| 487 @item func\n\ | |
| 488 String representing the function name. When already in debug\n\ | |
| 489 mode this should be left out and only the line should be given.\n\ | |
| 490 @item line\n\ | |
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491 Line number you would like the breakpoint to be set on. Multiple\n\ |
| 7001 | 492 lines might be given as separate arguments or as a vector.\n\ |
| 3805 | 493 @end table\n\ |
| 494 \n\ | |
| 495 The rline returned is the real line that the breakpoint was set at.\n\ | |
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496 @seealso{dbclear, dbstatus, dbstep}\n\ |
| 5642 | 497 @end deftypefn") |
| 3805 | 498 { |
| 7083 | 499 bp_table::intmap retval; |
| 500 std::string symbol_name; | |
| 501 bp_table::intmap lines; | |
| 502 | |
| 7348 | 503 parse_dbfunction_params ("dbstop", args, symbol_name, lines); |
| 6646 | 504 |
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505 if (lines.size () == 0) |
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506 lines[0] = 1; |
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507 |
| 7083 | 508 if (! error_state) |
| 7082 | 509 retval = bp_table::add_breakpoint (symbol_name, lines); |
| 3805 | 510 |
| 7083 | 511 return intmap_to_ov (retval); |
| 3805 | 512 } |
| 513 | |
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514 DEFUN (dbclear, args, , |
| 3805 | 515 "-*- texinfo -*-\n\ |
| 7083 | 516 @deftypefn {Loadable Function} {} dbclear (@var{func}, @var{line}, @dots{})\n\ |
| 3805 | 517 Delete a breakpoint in a function\n\ |
| 518 @table @code\n\ | |
| 519 @item func\n\ | |
| 520 String representing the function name. When already in debug\n\ | |
| 521 mode this should be left out and only the line should be given.\n\ | |
| 522 @item line\n\ | |
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523 Line number where you would like to remove the breakpoint. Multiple\n\ |
| 7001 | 524 lines might be given as separate arguments or as a vector.\n\ |
| 3805 | 525 @end table\n\ |
| 526 No checking is done to make sure that the line you requested is really\n\ | |
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527 a breakpoint. If you get the wrong line nothing will happen.\n\ |
| 5642 | 528 @seealso{dbstop, dbstatus, dbwhere}\n\ |
| 529 @end deftypefn") | |
| 3805 | 530 { |
| 531 octave_value retval; | |
| 532 std::string symbol_name = ""; | |
| 7083 | 533 bp_table::intmap lines; |
| 534 | |
| 7348 | 535 parse_dbfunction_params ("dbclear", args, symbol_name, lines); |
| 7082 | 536 |
| 7083 | 537 if (! error_state) |
| 7082 | 538 bp_table::remove_breakpoint (symbol_name, lines); |
| 3805 | 539 |
| 540 return retval; | |
| 541 } | |
| 542 | |
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543 DEFUN (dbstatus, args, nargout, |
| 3805 | 544 "-*- texinfo -*-\n\ |
| 7083 | 545 @deftypefn {Loadable Function} {lst =} dbstatus (@var{func})\n\ |
| 3805 | 546 Return a vector containing the lines on which a function has \n\ |
| 547 breakpoints set.\n\ | |
| 548 @table @code\n\ | |
| 549 @item func\n\ | |
| 550 String representing the function name. When already in debug\n\ | |
| 551 mode this should be left out.\n\ | |
| 552 @end table\n\ | |
| 5642 | 553 @seealso{dbclear, dbwhere}\n\ |
| 554 @end deftypefn") | |
| 3805 | 555 { |
| 7082 | 556 Octave_map retval; |
| 3805 | 557 int nargin = args.length (); |
| 7082 | 558 octave_value_list fcn_list; |
| 7083 | 559 bp_table::fname_line_map bp_list; |
| 560 std::string symbol_name; | |
| 3805 | 561 |
| 562 if (nargin != 0 && nargin != 1) | |
| 563 { | |
| 3948 | 564 error ("dbstatus: only zero or one arguements accepted\n"); |
| 7082 | 565 return octave_value (); |
| 3805 | 566 } |
| 567 | |
| 568 if (nargin == 1) | |
| 569 { | |
| 570 if (args(0).is_string ()) | |
| 7082 | 571 { |
| 7083 | 572 symbol_name = args(0).string_value (); |
| 573 fcn_list(0) = symbol_name; | |
| 7082 | 574 bp_list = bp_table::get_breakpoint_list (fcn_list); |
| 575 } | |
| 3805 | 576 else |
| 7083 | 577 gripe_wrong_type_arg ("dbstatus", args(0)); |
| 7082 | 578 } |
| 579 else | |
| 580 { | |
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581 octave_user_code *dbg_fcn = get_user_code (); |
| 7082 | 582 if (dbg_fcn) |
| 583 { | |
| 584 symbol_name = dbg_fcn->name (); | |
| 7083 | 585 fcn_list(0) = symbol_name; |
| 7082 | 586 } |
| 7083 | 587 |
| 7082 | 588 bp_list = bp_table::get_breakpoint_list (fcn_list); |
| 3805 | 589 } |
| 590 | |
| 7083 | 591 if (nargout == 0) |
| 3805 | 592 { |
| 7083 | 593 // Print out the breakpoint information. |
| 594 | |
| 595 for (bp_table::fname_line_map_iterator it = bp_list.begin (); | |
| 596 it != bp_list.end (); it++) | |
| 597 { | |
| 598 octave_stdout << "Breakpoint in " << it->first << " at line(s) "; | |
| 599 | |
| 600 bp_table::intmap m = it->second; | |
| 601 | |
| 602 size_t nel = m.size (); | |
| 603 | |
| 604 for (size_t j = 0; j < nel; j++) | |
| 605 octave_stdout << m[j] << ((j < nel - 1) ? ", " : "."); | |
| 606 | |
| 607 if (nel > 0) | |
| 608 octave_stdout << std::endl; | |
| 609 } | |
| 610 return octave_value (); | |
| 611 } | |
| 612 else | |
| 613 { | |
| 614 // Fill in an array for return. | |
| 615 | |
| 7082 | 616 int i = 0; |
| 617 Cell names (dim_vector (bp_list.size (), 1)); | |
| 618 Cell file (dim_vector (bp_list.size (), 1)); | |
| 619 Cell line (dim_vector (bp_list.size (), 1)); | |
| 7083 | 620 |
| 621 for (bp_table::const_fname_line_map_iterator it = bp_list.begin (); | |
| 622 it != bp_list.end (); it++) | |
| 3946 | 623 { |
| 7083 | 624 names(i) = it->first; |
| 625 line(i) = intmap_to_ov (it->second); | |
| 626 file(i) = do_which (it->first); | |
| 7082 | 627 i++; |
| 3805 | 628 } |
| 7083 | 629 |
| 7082 | 630 retval.assign ("name", names); |
| 631 retval.assign ("file", file); | |
| 632 retval.assign ("line", line); | |
| 7083 | 633 |
| 7082 | 634 return octave_value (retval); |
| 3805 | 635 } |
| 636 } | |
| 637 | |
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638 DEFUN (dbwhere, , , |
| 3805 | 639 "-*- texinfo -*-\n\ |
| 3895 | 640 @deftypefn {Loadable Function} {} dbwhere ()\n\ |
| 3805 | 641 Show where we are in the code\n\ |
| 5642 | 642 @seealso{dbclear, dbstatus, dbstop}\n\ |
| 5645 | 643 @end deftypefn") |
| 3805 | 644 { |
| 645 octave_value retval; | |
| 3946 | 646 |
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647 octave_user_code *dbg_fcn = get_user_code (); |
| 3805 | 648 |
| 649 if (dbg_fcn) | |
| 650 { | |
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651 bool have_file = true; |
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652 |
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653 std::string name = dbg_fcn->fcn_file_name (); |
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654 |
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655 if (name.empty ()) |
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656 { |
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657 have_file = false; |
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658 |
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659 name = dbg_fcn->name (); |
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660 } |
| 3805 | 661 |
| 662 octave_stdout << name << ":"; | |
| 663 | |
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664 unwind_protect frame; |
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665 |
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666 frame.add_fcn (octave_call_stack::restore_frame, |
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667 octave_call_stack::current_frame ()); |
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668 |
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669 // Skip the frame assigned to the dbwhere function. |
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670 octave_call_stack::goto_frame_relative (0); |
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671 |
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672 int l = octave_call_stack::current_line (); |
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673 |
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674 if (l > 0) |
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675 { |
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676 octave_stdout << " line " << l; |
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677 |
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678 int c = octave_call_stack::current_column (); |
| 3805 | 679 |
|
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680 if (c > 0) |
|
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|
681 octave_stdout << ", column " << c; |
|
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|
682 |
|
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|
683 octave_stdout << std::endl; |
|
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|
684 |
|
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|
685 if (have_file) |
|
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|
686 { |
|
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687 std::string line = get_file_line (name, l); |
|
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|
688 |
|
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|
689 if (! line.empty ()) |
|
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|
690 octave_stdout << l << ": " << line << std::endl; |
|
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|
691 } |
| 3805 | 692 } |
| 693 else | |
| 7083 | 694 octave_stdout << " (unknown line)\n"; |
| 3805 | 695 } |
| 696 else | |
| 3948 | 697 error ("dbwhere: must be inside of a user function to use dbwhere\n"); |
| 3895 | 698 |
| 699 return retval; | |
| 700 } | |
| 701 | |
| 702 // Copied and modified from the do_type command in help.cc | |
| 3946 | 703 // Maybe we could share some code? |
| 704 void | |
| 3949 | 705 do_dbtype (std::ostream& os, const std::string& name, int start, int end) |
| 3895 | 706 { |
| 707 std::string ff = fcn_file_in_path (name); | |
| 708 | |
| 709 if (! ff.empty ()) | |
| 710 { | |
| 711 std::ifstream fs (ff.c_str (), std::ios::in); | |
| 3946 | 712 |
| 3895 | 713 if (fs) |
| 3946 | 714 { |
| 3895 | 715 char ch; |
| 716 int line = 1; | |
| 3946 | 717 |
| 3895 | 718 if (line >= start && line <= end) |
| 719 os << line << "\t"; | |
| 3946 | 720 |
| 3895 | 721 while (fs.get (ch)) |
| 722 { | |
| 723 if (line >= start && line <= end) | |
| 724 { | |
| 725 os << ch; | |
| 726 } | |
| 727 | |
| 728 if (ch == '\n') | |
| 729 { | |
| 730 line++; | |
| 731 if (line >= start && line <= end) | |
| 3946 | 732 os << line << "\t"; |
| 3895 | 733 } |
| 734 } | |
| 735 } | |
| 3946 | 736 else |
| 3949 | 737 os << "dbtype: unable to open `" << ff << "' for reading!\n"; |
| 3895 | 738 } |
| 739 else | |
| 6317 | 740 os << "dbtype: unknown function " << name << "\n"; |
| 3895 | 741 |
| 6646 | 742 os.flush (); |
| 3895 | 743 } |
| 744 | |
|
8746
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diff
changeset
|
745 DEFUN (dbtype, args, , |
| 3895 | 746 "-*- texinfo -*-\n\ |
| 747 @deftypefn {Loadable Function} {} dbtype ()\n\ | |
| 748 List script file with line numbers.\n\ | |
| 5642 | 749 @seealso{dbclear, dbstatus, dbstop}\n\ |
| 750 @end deftypefn") | |
| 3895 | 751 { |
| 752 octave_value retval; | |
|
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diff
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|
753 octave_user_code *dbg_fcn; |
| 3946 | 754 |
| 3895 | 755 int nargin = args.length (); |
| 756 string_vector argv = args.make_argv ("dbtype"); | |
| 3946 | 757 |
| 3895 | 758 if (! error_state) |
| 759 { | |
| 760 switch (nargin) | |
| 761 { | |
| 762 case 0: // dbtype | |
|
7719
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7539
diff
changeset
|
763 dbg_fcn = get_user_code (); |
| 3895 | 764 |
| 765 if (dbg_fcn) | |
| 4748 | 766 do_dbtype (octave_stdout, dbg_fcn->name (), 0, INT_MAX); |
| 3895 | 767 else |
| 3948 | 768 error ("dbtype: must be in a user function to give no arguments to dbtype\n"); |
| 3946 | 769 break; |
| 3895 | 770 |
| 3946 | 771 case 1: // (dbtype func) || (dbtype start:end) |
|
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diff
changeset
|
772 dbg_fcn = get_user_code (argv[1]); |
| 3895 | 773 |
| 774 if (dbg_fcn) | |
| 4748 | 775 do_dbtype (octave_stdout, dbg_fcn->name (), 0, INT_MAX); |
| 3895 | 776 else |
| 777 { | |
|
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diff
changeset
|
778 dbg_fcn = get_user_code (); |
| 3895 | 779 |
| 780 if (dbg_fcn) | |
| 781 { | |
| 3948 | 782 std::string arg = argv[1]; |
| 783 | |
| 784 size_t ind = arg.find (':'); | |
| 3895 | 785 |
| 8021 | 786 if (ind != std::string::npos) |
| 3948 | 787 { |
| 788 std::string start_str = arg.substr (0, ind); | |
| 789 std::string end_str = arg.substr (ind + 1); | |
| 790 | |
| 791 int start = atoi (start_str.c_str ()); | |
| 792 int end = atoi (end_str.c_str ()); | |
| 3946 | 793 |
| 6317 | 794 if (std::min (start, end) <= 0) |
| 795 error ("dbtype: start and end lines must be >= 1\n"); | |
| 796 | |
| 797 if (start <= end) | |
| 798 do_dbtype (octave_stdout, dbg_fcn->name (), start, end); | |
| 3948 | 799 else |
| 6317 | 800 error ("dbtype: start line must be less than end line\n"); |
| 3895 | 801 } |
| 3948 | 802 else |
| 6317 | 803 error ("dbtype: line specification must be `start:end'"); |
| 3895 | 804 } |
| 805 } | |
| 806 break; | |
| 3946 | 807 |
| 6317 | 808 case 2: // (dbtype func start:end) , (dbtype func start) |
|
7719
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octave_user_code: new base class for octave_user_script and octave_user_function
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7539
diff
changeset
|
809 dbg_fcn = get_user_code (argv[1]); |
| 3895 | 810 |
| 811 if (dbg_fcn) | |
| 812 { | |
| 3948 | 813 std::string arg = argv[2]; |
| 6317 | 814 int start = 0; |
| 815 int end = 0; | |
| 3948 | 816 size_t ind = arg.find (':'); |
| 3895 | 817 |
| 8021 | 818 if (ind != std::string::npos) |
| 3895 | 819 { |
| 3948 | 820 std::string start_str = arg.substr (0, ind); |
| 821 std::string end_str = arg.substr (ind + 1); | |
| 3895 | 822 |
| 6317 | 823 start = atoi (start_str.c_str ()); |
| 824 end = atoi (end_str.c_str ()); | |
| 825 | |
| 3948 | 826 } |
| 827 else | |
| 6317 | 828 { |
| 829 start = atoi (arg.c_str ()); | |
| 830 end = start; | |
| 831 } | |
| 832 | |
| 833 if (std::min (start, end) <= 0) | |
| 834 error ("dbtype: start and end lines must be >= 1\n"); | |
| 835 | |
| 836 if (start <= end) | |
| 837 do_dbtype (octave_stdout, dbg_fcn->name (), start, end); | |
| 838 else | |
| 839 error ("dbtype: start line must be less than end line\n"); | |
| 3895 | 840 } |
| 3946 | 841 break; |
| 3895 | 842 |
| 843 default: | |
| 3948 | 844 error ("dbtype: expecting zero, one, or two arguments\n"); |
| 3895 | 845 } |
| 846 } | |
| 3805 | 847 |
| 848 return retval; | |
| 849 } | |
| 850 | |
|
8746
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handle commands in the lexer
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diff
changeset
|
851 DEFUN (dbstack, args, nargout, |
| 7736 | 852 "-*- texinfo -*-\n\ |
|
7752
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initial implementation of dbup and dbdown
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diff
changeset
|
853 @deftypefn {Loadable Function} {[@var{stack}, @var{idx}]} dbstack (@var{n})\n\ |
|
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initial implementation of dbup and dbdown
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diff
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|
854 Print or return current stack information. With optional argument\n\ |
|
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initial implementation of dbup and dbdown
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diff
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|
855 @var{n}, omit the @var{n} innermost stack frames.\n\ |
|
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diff
changeset
|
856 @seealso{dbclear, dbstatus, dbstop}\n\ |
| 7736 | 857 @end deftypefn") |
| 858 { | |
| 859 octave_value_list retval; | |
| 860 | |
|
10066
2cd940306a06
make unwind_protect frames local
Jaroslav Hajek <highegg@gmail.com>
parents:
9724
diff
changeset
|
861 unwind_protect frame; |
| 7890 | 862 |
| 7901 | 863 octave_idx_type curr_frame = -1; |
| 7890 | 864 |
| 7901 | 865 size_t nskip = 0; |
| 7736 | 866 |
| 867 if (args.length () == 1) | |
|
7752
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initial implementation of dbup and dbdown
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diff
changeset
|
868 { |
| 7890 | 869 int n = 0; |
| 870 | |
|
7752
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initial implementation of dbup and dbdown
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diff
changeset
|
871 octave_value arg = args(0); |
|
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initial implementation of dbup and dbdown
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diff
changeset
|
872 |
|
40c428ea3408
initial implementation of dbup and dbdown
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diff
changeset
|
873 if (arg.is_string ()) |
|
40c428ea3408
initial implementation of dbup and dbdown
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diff
changeset
|
874 { |
|
40c428ea3408
initial implementation of dbup and dbdown
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parents:
7736
diff
changeset
|
875 std::string s_arg = arg.string_value (); |
|
40c428ea3408
initial implementation of dbup and dbdown
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diff
changeset
|
876 |
|
40c428ea3408
initial implementation of dbup and dbdown
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diff
changeset
|
877 n = atoi (s_arg.c_str ()); |
|
40c428ea3408
initial implementation of dbup and dbdown
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diff
changeset
|
878 } |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
879 else |
|
40c428ea3408
initial implementation of dbup and dbdown
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parents:
7736
diff
changeset
|
880 n = args(0).int_value (); |
| 7890 | 881 |
| 882 if (n > 0) | |
| 7901 | 883 nskip = n; |
| 7890 | 884 else |
| 885 error ("dbstack: expecting N to be a nonnegative integer"); | |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
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7736
diff
changeset
|
886 } |
| 7736 | 887 |
| 888 if (! error_state) | |
| 889 { | |
| 7901 | 890 Octave_map stk = octave_call_stack::backtrace (nskip, curr_frame); |
|
7752
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initial implementation of dbup and dbdown
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diff
changeset
|
891 |
| 7890 | 892 if (nargout == 0) |
| 893 { | |
| 7897 | 894 octave_idx_type nframes_to_display = stk.numel (); |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
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parents:
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diff
changeset
|
895 |
| 7897 | 896 if (nframes_to_display > 0) |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
897 { |
| 7890 | 898 octave_stdout << "Stopped in:\n\n"; |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
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diff
changeset
|
899 |
| 7890 | 900 Cell names = stk.contents ("name"); |
| 901 Cell lines = stk.contents ("line"); | |
| 902 Cell columns = stk.contents ("column"); | |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
903 |
| 7897 | 904 for (octave_idx_type i = 0; i < nframes_to_display; i++) |
| 7890 | 905 { |
| 906 octave_value name = names(i); | |
| 907 octave_value line = lines(i); | |
| 908 octave_value column = columns(i); | |
| 909 | |
| 7901 | 910 octave_stdout << (i == curr_frame ? "--> " : " ") |
| 7890 | 911 << name.string_value () |
| 912 << " at line " << line.int_value () | |
| 913 << " column " << column.int_value () | |
| 914 << std::endl; | |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
915 } |
|
40c428ea3408
initial implementation of dbup and dbdown
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parents:
7736
diff
changeset
|
916 } |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
917 } |
|
40c428ea3408
initial implementation of dbup and dbdown
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parents:
7736
diff
changeset
|
918 else |
| 7890 | 919 { |
| 7901 | 920 retval(1) = curr_frame < 0 ? 1 : curr_frame + 1; |
| 7890 | 921 retval(0) = stk; |
| 922 } | |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
923 } |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
924 |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
925 return retval; |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
926 } |
| 7736 | 927 |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
928 static void |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
929 do_dbupdown (const octave_value_list& args, const std::string& who) |
|
40c428ea3408
initial implementation of dbup and dbdown
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parents:
7736
diff
changeset
|
930 { |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
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diff
changeset
|
931 int n = 1; |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
932 |
|
40c428ea3408
initial implementation of dbup and dbdown
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parents:
7736
diff
changeset
|
933 if (args.length () == 1) |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
934 { |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
935 octave_value arg = args(0); |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
936 |
|
40c428ea3408
initial implementation of dbup and dbdown
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parents:
7736
diff
changeset
|
937 if (arg.is_string ()) |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
938 { |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
939 std::string s_arg = arg.string_value (); |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
940 |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
941 n = atoi (s_arg.c_str ()); |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
942 } |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
943 else |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
944 n = args(0).int_value (); |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
945 } |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
946 |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
947 if (! error_state) |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
948 { |
| 7890 | 949 if (who == "dbup") |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
950 n = -n; |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
951 |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
952 if (! octave_call_stack::goto_frame_relative (n, true)) |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
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diff
changeset
|
953 error ("%s: invalid stack frame", who.c_str ()); |
| 7736 | 954 } |
|
7752
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
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diff
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|
955 } |
|
40c428ea3408
initial implementation of dbup and dbdown
John W. Eaton <jwe@octave.org>
parents:
7736
diff
changeset
|
956 |
|
8746
5dd06f19e9be
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John W. Eaton <jwe@octave.org>
parents:
8677
diff
changeset
|
957 DEFUN (dbup, args, , |
|
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958 "-*- texinfo -*-\n\ |
|
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959 @deftypefn {Loadable Function} {} dbup\n\ |
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960 @deftypefnx {Loadable Function} {} dbup (@var{n})\n\ |
|
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961 In debugging mode, move up the execution stack @var{n} frames.\n\ |
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962 If @var{n} is omitted, move up one frame.\n\ |
|
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963 @seealso{dbstack}\n\ |
|
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964 @end deftypefn") |
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965 { |
|
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966 octave_value retval; |
|
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|
967 |
|
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|
968 do_dbupdown (args, "dbup"); |
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969 |
|
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|
970 return retval; |
|
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|
971 } |
|
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972 |
|
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973 DEFUN (dbdown, args, , |
|
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974 "-*- texinfo -*-\n\ |
|
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975 @deftypefn {Loadable Function} {} dbdown\n\ |
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976 @deftypefnx {Loadable Function} {} dbdown (@var{n})\n\ |
|
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977 In debugging mode, move down the execution stack @var{n} frames.\n\ |
|
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978 If @var{n} is omitted, move down one frame.\n\ |
|
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979 @seealso{dbstack}\n\ |
|
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980 @end deftypefn") |
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981 { |
|
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982 octave_value retval; |
|
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983 |
|
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|
984 do_dbupdown (args, "dbdown"); |
| 7736 | 985 |
| 986 return retval; | |
| 987 } | |
| 988 | |
|
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989 DEFUN (dbstep, args, , |
|
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990 "-*- texinfo -*-\n\ |
|
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991 @deftypefn {Command} {} dbstep\n\ |
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992 @deftypefnx {Command} {} dbstep @var{n}\n\ |
|
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993 @deftypefnx {Command} {} dbstep in\n\ |
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994 @deftypefnx {Command} {} dbstep out\n\ |
|
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995 In debugging mode, execute the next @var{n} lines of code.\n\ |
|
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996 If @var{n} is omitted , execute the next single line of code.\n\ |
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997 If the next line of code is itself\n\ |
|
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998 defined in terms of an m-file remain in the existing function.\n\ |
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999 \n\ |
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1000 Using @code{dbstep in} will cause execution of the next line to step into\n\ |
|
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1001 any m-files defined on the next line. Using @code{dbstep out} will cause\n\ |
|
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1002 execution to continue until the current function returns.\n\ |
|
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1003 @seealso{dbcont, dbquit}\n\ |
|
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1004 @end deftypefn") |
|
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1005 { |
|
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1006 if (Vdebugging) |
|
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1007 { |
|
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1008 int nargin = args.length (); |
|
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1009 |
|
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1010 if (nargin > 1) |
|
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1011 print_usage (); |
|
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1012 else if (nargin == 1) |
|
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1013 { |
|
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1014 if (args(0).is_string ()) |
|
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1015 { |
|
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1016 std::string arg = args(0).string_value (); |
|
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1017 |
|
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|
1018 if (! error_state) |
|
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|
1019 { |
|
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|
1020 if (arg == "in") |
|
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|
1021 { |
|
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|
1022 Vdebugging = false; |
|
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|
1023 |
|
8658
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|
1024 tree_evaluator::dbstep_flag = -1; |
|
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changeset
|
1025 } |
|
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changeset
|
1026 else if (arg == "out") |
|
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changeset
|
1027 { |
|
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|
1028 Vdebugging = false; |
|
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|
1029 |
|
8658
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changeset
|
1030 tree_evaluator::dbstep_flag = -2; |
|
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changeset
|
1031 } |
|
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|
1032 else |
|
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|
1033 { |
|
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changeset
|
1034 int n = atoi (arg.c_str ()); |
|
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|
1035 |
|
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changeset
|
1036 if (n > 0) |
|
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New evaluator and debugger derived from tree-walker class
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|
1037 { |
|
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New evaluator and debugger derived from tree-walker class
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changeset
|
1038 Vdebugging = false; |
|
7818
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|
1039 |
|
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|
1040 tree_evaluator::dbstep_flag = n; |
|
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|
1041 } |
|
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New evaluator and debugger derived from tree-walker class
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|
1042 else |
|
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changeset
|
1043 error ("dbstep: invalid argument"); |
|
73c4516fae10
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|
1044 } |
|
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|
1045 } |
|
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|
1046 } |
|
8658
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New evaluator and debugger derived from tree-walker class
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changeset
|
1047 else |
|
73c4516fae10
New evaluator and debugger derived from tree-walker class
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changeset
|
1048 error ("dbstep: expecting character string as argument"); |
|
7787
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|
1049 } |
|
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Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input
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|
1050 else |
|
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Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input
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|
1051 { |
|
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Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input
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changeset
|
1052 Vdebugging = false; |
|
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|
1053 |
|
8658
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changeset
|
1054 tree_evaluator::dbstep_flag = 1; |
|
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|
1055 } |
|
6b521b1e3631
Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input
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|
1056 } |
|
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Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input
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|
1057 else |
|
6b521b1e3631
Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input
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changeset
|
1058 error ("dbstep: can only be called in debug mode"); |
|
6b521b1e3631
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changeset
|
1059 |
|
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Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input
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changeset
|
1060 return octave_value_list (); |
|
6b521b1e3631
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|
1061 } |
|
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Add dbquit and make dbstep compatible. Use parser in debug mode to handle multi-line input
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changeset
|
1062 |
|
8658
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|
1063 DEFALIAS (dbnext, dbstep); |
|
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|
1064 |
|
8746
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changeset
|
1065 DEFUN (dbcont, args, , |
|
7787
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changeset
|
1066 "-*- texinfo -*-\n\ |
|
9724
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|
1067 @deftypefn {Command} {} dbcont\n\ |
|
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changeset
|
1068 In debugging mode, quit debugging mode and continue execution.\n\ |
|
9724
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1069 @seealso{dbstep, dbquit}\n\ |
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1070 @end deftypefn") |
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1071 { |
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1072 if (Vdebugging) |
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1073 { |
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1074 if (args.length () == 0) |
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1075 { |
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1076 Vdebugging = false; |
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1077 |
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1078 tree_evaluator::dbstep_flag = 0; |
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1079 } |
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1080 else |
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1081 print_usage (); |
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1082 } |
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1083 else |
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1084 error ("dbcont: can only be called in debug mode"); |
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1085 |
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1086 return octave_value_list (); |
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1087 } |
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1088 |
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1089 DEFUN (dbquit, args, , |
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1090 "-*- texinfo -*-\n\ |
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1091 @deftypefn {Command} {} dbquit\n\ |
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1092 In debugging mode, quit debugging mode and return to the top level.\n\ |
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1093 @seealso{dbstep, dbcont}\n\ |
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1094 @end deftypefn") |
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1095 { |
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1096 if (Vdebugging) |
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1097 { |
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1098 if (args.length () == 0) |
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1099 { |
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1100 tree_evaluator::dbstep_flag = 0; |
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1101 |
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1102 octave_throw_interrupt_exception (); |
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1103 } |
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1104 else |
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1105 print_usage (); |
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1106 } |
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1107 else |
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1108 error ("dbquit: can only be called in debug mode"); |
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1109 |
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1110 return octave_value_list (); |
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1111 } |
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1112 |
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1113 DEFUN (isdebugmode, args, , |
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1114 "-*- texinfo -*-\n\ |
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1115 @deftypefn {Loadable Function} {} isdebugmode ()\n\ |
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1116 Return true if debug mode is on, otherwise false.\n\ |
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1117 @seealso{dbstack, dbclear, dbstop, dbstatus}\n\ |
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1118 @end deftypefn") |
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1119 { |
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1120 octave_value retval; |
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1121 |
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1122 if (args.length () == 0) |
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1123 retval = Vdebugging; |
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1124 else |
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1125 print_usage (); |
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1126 |
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1127 return retval; |
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1128 } |