Mercurial > hg > octave-lyh
annotate src/debug.cc @ 7719:87eda1f8faaa
octave_user_code: new base class for octave_user_script and octave_user_function
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Wed, 16 Apr 2008 22:08:15 -0400 |
| parents | 3e107d73aeb4 |
| children | a059b5679fbb |
| rev | line source |
|---|---|
| 3805 | 1 /* |
| 2 | |
| 7348 | 3 Copyright (C) 2007, 2008 John Swensen |
| 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 | |
| 3895 | 27 #include <iostream> |
| 28 #include <fstream> | |
| 3948 | 29 #include <string> |
| 7082 | 30 #include <set> |
| 31 | |
| 3895 | 32 |
| 3805 | 33 #include "defun.h" |
| 34 #include "error.h" | |
| 7082 | 35 #include "help.h" |
| 3805 | 36 #include "input.h" |
| 37 #include "pager.h" | |
| 38 #include "oct-obj.h" | |
| 39 #include "utils.h" | |
| 40 #include "parse.h" | |
| 41 #include "symtab.h" | |
| 42 #include "gripes.h" | |
| 43 #include "ov.h" | |
| 44 #include "ov-usr-fcn.h" | |
| 45 #include "ov-fcn.h" | |
| 7082 | 46 #include "ov-list.h" |
| 47 #include "ov-struct.h" | |
| 3805 | 48 #include "pt-pr-code.h" |
| 49 #include "pt.h" | |
| 50 #include "pt-bp.h" | |
| 51 #include "pt-stmt.h" | |
| 52 #include "toplev.h" | |
| 53 #include "unwind-prot.h" | |
| 54 #include "variables.h" | |
| 55 | |
| 7082 | 56 #include "debug.h" |
| 57 | |
| 58 // Initialize the singleton object | |
| 7083 | 59 bp_table *bp_table::instance = 0; |
| 7082 | 60 |
| 5743 | 61 // Return a pointer to the user-defined function FNAME. If FNAME is |
| 62 // empty, search backward for the first user-defined function in the | |
| 63 // current call stack. | |
| 7083 | 64 |
|
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65 static octave_user_code * |
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66 get_user_code (const std::string& fname = std::string ()) |
| 3805 | 67 { |
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68 octave_user_code *dbg_fcn = 0; |
| 3805 | 69 |
| 7083 | 70 if (fname.empty ()) |
| 5744 | 71 dbg_fcn = octave_call_stack::caller_user_function (); |
| 5743 | 72 else |
| 3805 | 73 { |
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74 octave_value fcn = symbol_table::find_function (fname); |
| 3946 | 75 |
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76 if (fcn.is_defined ()) |
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77 dbg_fcn = fcn.user_code_value (); |
| 3805 | 78 } |
| 79 | |
| 80 return dbg_fcn; | |
| 81 } | |
| 82 | |
| 7082 | 83 static void |
| 7348 | 84 parse_dbfunction_params (const char *who, const octave_value_list& args, |
| 85 std::string& symbol_name, bp_table::intmap& lines) | |
| 7082 | 86 { |
| 87 int nargin = args.length (); | |
| 88 int idx = 0; | |
| 89 int list_idx = 0; | |
| 90 symbol_name = std::string (); | |
| 7348 | 91 lines = bp_table::intmap (); |
| 92 | |
| 93 if (args.length () == 0) | |
| 94 return; | |
| 7082 | 95 |
| 7083 | 96 // If we are already in a debugging function. |
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97 if (octave_call_stack::caller_user_code ()) |
| 7348 | 98 { |
| 99 idx = 0; | |
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100 symbol_name = get_user_code ()->name (); |
| 7348 | 101 } |
| 102 else if (args(0).is_map ()) | |
| 7082 | 103 { |
| 7348 | 104 // Problem because parse_dbfunction_params() can only pass out a |
| 105 // single function | |
| 106 } | |
| 107 else if (args(0).is_string()) | |
| 108 { | |
| 109 symbol_name = args(0).string_value (); | |
| 7082 | 110 if (error_state) |
| 111 return; | |
| 112 idx = 1; | |
| 113 } | |
| 7348 | 114 else |
| 115 error ("%s: invalid parameter specified", who); | |
| 7082 | 116 |
| 117 for (int i = idx; i < nargin; i++ ) | |
| 118 { | |
| 7348 | 119 if (args(i).is_string ()) |
| 7082 | 120 { |
| 7083 | 121 int line = atoi (args(i).string_value().c_str ()); |
| 7082 | 122 if (error_state) |
| 7083 | 123 break; |
| 7082 | 124 lines[list_idx++] = line; |
| 125 } | |
| 7348 | 126 else if (args(i).is_map ()) |
| 127 octave_stdout << who << ": accepting a struct" << std::endl; | |
| 7082 | 128 else |
| 129 { | |
| 7083 | 130 const NDArray arg = args(i).array_value (); |
| 7082 | 131 |
| 132 if (error_state) | |
| 133 break; | |
| 134 | |
| 7083 | 135 for (octave_idx_type j = 0; j < arg.nelem (); j++) |
| 7082 | 136 { |
| 137 int line = static_cast<int> (arg.elem (j)); | |
| 138 if (error_state) | |
| 139 break; | |
| 140 lines[list_idx++] = line; | |
| 141 } | |
| 142 | |
| 143 if (error_state) | |
| 144 break; | |
| 145 } | |
| 146 } | |
| 147 } | |
| 148 | |
| 7083 | 149 bp_table::intmap |
| 150 bp_table::do_add_breakpoint (const std::string& fname, | |
| 151 const bp_table::intmap& line) | |
| 7082 | 152 { |
| 7083 | 153 intmap retval; |
| 7082 | 154 |
| 155 octave_idx_type len = line.size (); | |
| 7083 | 156 |
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157 octave_user_code *dbg_fcn = get_user_code (fname); |
| 7082 | 158 |
| 159 if (dbg_fcn) | |
| 160 { | |
| 161 tree_statement_list *cmds = dbg_fcn->body (); | |
| 7083 | 162 |
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163 if (cmds) |
| 7082 | 164 { |
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165 for (int i = 0; i < len; i++) |
| 7082 | 166 { |
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167 const_intmap_iterator p = line.find (i); |
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168 |
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169 if (p != line.end ()) |
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170 { |
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171 int lineno = p->second; |
| 7083 | 172 |
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173 retval[i] = cmds->set_breakpoint (lineno); |
| 7083 | 174 |
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175 if (retval[i] != 0) |
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176 bp_map[fname] = dbg_fcn; |
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177 } |
| 7082 | 178 } |
| 179 } | |
| 180 } | |
| 181 else | |
| 182 error ("add_breakpoint: unable to find the function requested\n"); | |
| 183 | |
| 184 return retval; | |
| 185 } | |
| 186 | |
| 187 | |
| 188 int | |
| 7083 | 189 bp_table::do_remove_breakpoint (const std::string& fname, |
| 190 const bp_table::intmap& line) | |
| 7082 | 191 { |
| 7083 | 192 int retval = 0; |
| 7082 | 193 |
| 194 octave_idx_type len = line.size (); | |
| 195 | |
| 196 if (len == 0) | |
| 197 { | |
| 198 intmap results = remove_all_breakpoints_in_file (fname); | |
| 199 retval = results.size (); | |
| 200 } | |
| 201 else | |
| 202 { | |
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203 octave_user_code *dbg_fcn = get_user_code (fname); |
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204 |
| 7082 | 205 if (dbg_fcn) |
| 206 { | |
| 207 tree_statement_list *cmds = dbg_fcn->body (); | |
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208 |
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209 if (cmds) |
| 7082 | 210 { |
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211 octave_value_list results = cmds->list_breakpoints (); |
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212 |
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213 if (results.length () > 0) |
| 7348 | 214 { |
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215 for (int i = 0; i < len; i++) |
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216 { |
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217 const_intmap_iterator p = line.find (i); |
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218 |
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219 if (p != line.end ()) |
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220 cmds->delete_breakpoint (p->second); |
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221 } |
| 7083 | 222 |
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223 results = cmds->list_breakpoints (); |
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224 |
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225 breakpoint_map_iterator it = bp_map.find (fname); |
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226 |
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227 if (results.length () == 0 && it != bp_map.end ()) |
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228 bp_map.erase (it); |
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229 } |
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230 |
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231 retval = results.length (); |
| 7082 | 232 } |
| 233 } | |
| 234 else | |
| 235 error ("remove_breakpoint: unable to find the function requested\n"); | |
| 236 } | |
| 237 return retval; | |
| 238 } | |
| 239 | |
| 240 | |
| 7083 | 241 bp_table::intmap |
| 242 bp_table::do_remove_all_breakpoints_in_file (const std::string& fname) | |
| 7082 | 243 { |
| 7083 | 244 intmap retval; |
| 7082 | 245 |
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246 octave_user_code *dbg_fcn = get_user_code (fname); |
| 7082 | 247 |
| 248 if (dbg_fcn) | |
| 249 { | |
| 250 tree_statement_list *cmds = dbg_fcn->body (); | |
| 7083 | 251 |
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252 if (cmds) |
| 7082 | 253 { |
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254 octave_value_list bkpts = cmds->list_breakpoints (); |
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255 |
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256 for (int i = 0; i < bkpts.length (); i++) |
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257 { |
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258 int lineno = static_cast<int> (bkpts(i).int_value ()); |
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259 cmds->delete_breakpoint (lineno); |
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260 retval[i] = lineno; |
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261 } |
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262 |
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263 breakpoint_map_iterator it = bp_map.find (fname); |
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264 |
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265 if (it != bp_map.end ()) |
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266 bp_map.erase (it); |
| 7082 | 267 } |
| 268 } | |
| 269 else | |
| 270 error ("remove_all_breakpoint_in_file: " | |
| 271 "unable to find the function requested\n"); | |
| 272 | |
| 273 return retval; | |
| 274 } | |
| 275 | |
| 276 void | |
| 7083 | 277 bp_table::do_remove_all_breakpoints (void) |
| 7082 | 278 { |
| 7083 | 279 for (const_breakpoint_map_iterator it = bp_map.begin (); |
| 280 it != bp_map.end (); it++) | |
| 281 remove_all_breakpoints_in_file (it->first); | |
| 7082 | 282 } |
| 283 | |
| 284 std::string | |
| 285 do_find_bkpt_list (octave_value_list slist, | |
| 286 std::string match) | |
| 287 { | |
| 288 std::string retval; | |
| 7083 | 289 |
| 7082 | 290 for (int i = 0; i < slist.length (); i++) |
| 291 { | |
| 292 if (slist (i).string_value () == match) | |
| 293 { | |
| 7083 | 294 retval = slist(i).string_value (); |
| 7082 | 295 break; |
| 296 } | |
| 297 } | |
| 298 return retval; | |
| 299 } | |
| 300 | |
| 301 | |
| 7083 | 302 bp_table::fname_line_map |
| 303 bp_table::do_get_breakpoint_list (const octave_value_list& fname_list) | |
| 7082 | 304 { |
| 7083 | 305 fname_line_map retval; |
| 7082 | 306 |
| 307 // Iterate through each of the files in the map and get the | |
| 7083 | 308 // name and list of breakpoints. |
| 309 | |
| 310 for (breakpoint_map_iterator it = bp_map.begin (); it != bp_map.end (); it++) | |
| 7082 | 311 { |
| 7083 | 312 if (fname_list.length () == 0 |
| 313 || do_find_bkpt_list (fname_list, it->first) != "") | |
| 7082 | 314 { |
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315 octave_user_code *f = it->second; |
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316 |
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317 tree_statement_list *cmds = f->body (); |
| 7083 | 318 |
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319 if (cmds) |
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320 { |
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321 octave_value_list bkpts = cmds->list_breakpoints (); |
| 7083 | 322 |
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323 octave_idx_type len = bkpts.length (); |
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324 |
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325 bp_table::intmap bkpts_vec; |
| 7083 | 326 |
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327 for (int i = 0; i < len; i++) |
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328 bkpts_vec[i] = bkpts (i).double_value (); |
| 7083 | 329 |
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330 retval[it->first] = bkpts_vec; |
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331 } |
| 7082 | 332 } |
| 333 } | |
| 7083 | 334 |
| 7082 | 335 return retval; |
| 336 } | |
| 337 | |
| 338 static octave_value | |
| 7083 | 339 intmap_to_ov (const bp_table::intmap& line) |
| 7082 | 340 { |
| 341 int idx = 0; | |
| 7083 | 342 |
| 343 NDArray retval (dim_vector (1, line.size ())); | |
| 344 | |
| 345 for (size_t i = 0; i < line.size (); i++) | |
| 7082 | 346 { |
| 7083 | 347 bp_table::const_intmap_iterator p = line.find (i); |
| 348 | |
| 7082 | 349 if (p != line.end ()) |
| 350 { | |
| 351 int lineno = p->second; | |
| 7083 | 352 retval(idx++) = lineno; |
| 7082 | 353 } |
| 354 } | |
| 7083 | 355 |
| 7082 | 356 retval.resize (dim_vector (1, idx)); |
| 7083 | 357 |
| 7082 | 358 return retval; |
| 359 } | |
| 3895 | 360 |
| 4208 | 361 DEFCMD (dbstop, args, , |
| 3805 | 362 "-*- texinfo -*-\n\ |
| 7083 | 363 @deftypefn {Loadable Function} {rline =} dbstop (@var{func}, @var{line}, @dots{})\n\ |
| 3805 | 364 Set a breakpoint in a function\n\ |
| 365 @table @code\n\ | |
| 366 @item func\n\ | |
| 367 String representing the function name. When already in debug\n\ | |
| 368 mode this should be left out and only the line should be given.\n\ | |
| 369 @item line\n\ | |
| 6646 | 370 Line you would like the breakpoint to be set on. Multiple\n\ |
| 7001 | 371 lines might be given as separate arguments or as a vector.\n\ |
| 3805 | 372 @end table\n\ |
| 373 \n\ | |
| 374 The rline returned is the real line that the breakpoint was set at.\n\ | |
| 5642 | 375 @seealso{dbclear, dbstatus, dbnext}\n\ |
| 376 @end deftypefn") | |
| 3805 | 377 { |
| 7083 | 378 bp_table::intmap retval; |
| 379 std::string symbol_name; | |
| 380 bp_table::intmap lines; | |
| 381 | |
| 7348 | 382 parse_dbfunction_params ("dbstop", args, symbol_name, lines); |
| 6646 | 383 |
| 7083 | 384 if (! error_state) |
| 7082 | 385 retval = bp_table::add_breakpoint (symbol_name, lines); |
| 3805 | 386 |
| 7083 | 387 return intmap_to_ov (retval); |
| 3805 | 388 } |
| 389 | |
| 4208 | 390 DEFCMD (dbclear, args, , |
| 3805 | 391 "-*- texinfo -*-\n\ |
| 7083 | 392 @deftypefn {Loadable Function} {} dbclear (@var{func}, @var{line}, @dots{})\n\ |
| 3805 | 393 Delete a breakpoint in a function\n\ |
| 394 @table @code\n\ | |
| 395 @item func\n\ | |
| 396 String representing the function name. When already in debug\n\ | |
| 397 mode this should be left out and only the line should be given.\n\ | |
| 398 @item line\n\ | |
| 6653 | 399 Line where you would like to remove the breakpoint. Multiple\n\ |
| 7001 | 400 lines might be given as separate arguments or as a vector.\n\ |
| 3805 | 401 @end table\n\ |
| 402 No checking is done to make sure that the line you requested is really\n\ | |
| 6646 | 403 a breakpoint. If you get the wrong line nothing will happen.\n\ |
| 5642 | 404 @seealso{dbstop, dbstatus, dbwhere}\n\ |
| 405 @end deftypefn") | |
| 3805 | 406 { |
| 407 octave_value retval; | |
| 408 std::string symbol_name = ""; | |
| 7083 | 409 bp_table::intmap lines; |
| 410 | |
| 7348 | 411 parse_dbfunction_params ("dbclear", args, symbol_name, lines); |
| 7082 | 412 |
| 7083 | 413 if (! error_state) |
| 7082 | 414 bp_table::remove_breakpoint (symbol_name, lines); |
| 3805 | 415 |
| 416 return retval; | |
| 417 } | |
| 418 | |
| 7082 | 419 DEFCMD (dbstatus, args, nargout, |
| 3805 | 420 "-*- texinfo -*-\n\ |
| 7083 | 421 @deftypefn {Loadable Function} {lst =} dbstatus (@var{func})\n\ |
| 3805 | 422 Return a vector containing the lines on which a function has \n\ |
| 423 breakpoints set.\n\ | |
| 424 @table @code\n\ | |
| 425 @item func\n\ | |
| 426 String representing the function name. When already in debug\n\ | |
| 427 mode this should be left out.\n\ | |
| 428 @end table\n\ | |
| 5642 | 429 @seealso{dbclear, dbwhere}\n\ |
| 430 @end deftypefn") | |
| 3805 | 431 { |
| 7082 | 432 Octave_map retval; |
| 3805 | 433 int nargin = args.length (); |
| 7082 | 434 octave_value_list fcn_list; |
| 7083 | 435 bp_table::fname_line_map bp_list; |
| 436 std::string symbol_name; | |
| 3805 | 437 |
| 438 if (nargin != 0 && nargin != 1) | |
| 439 { | |
| 3948 | 440 error ("dbstatus: only zero or one arguements accepted\n"); |
| 7082 | 441 return octave_value (); |
| 3805 | 442 } |
| 443 | |
| 444 if (nargin == 1) | |
| 445 { | |
| 446 if (args(0).is_string ()) | |
| 7082 | 447 { |
| 7083 | 448 symbol_name = args(0).string_value (); |
| 449 fcn_list(0) = symbol_name; | |
| 7082 | 450 bp_list = bp_table::get_breakpoint_list (fcn_list); |
| 451 } | |
| 3805 | 452 else |
| 7083 | 453 gripe_wrong_type_arg ("dbstatus", args(0)); |
| 7082 | 454 } |
| 455 else | |
| 456 { | |
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457 octave_user_code *dbg_fcn = get_user_code (); |
| 7082 | 458 if (dbg_fcn) |
| 459 { | |
| 460 symbol_name = dbg_fcn->name (); | |
| 7083 | 461 fcn_list(0) = symbol_name; |
| 7082 | 462 } |
| 7083 | 463 |
| 7082 | 464 bp_list = bp_table::get_breakpoint_list (fcn_list); |
| 3805 | 465 } |
| 466 | |
| 7083 | 467 if (nargout == 0) |
| 3805 | 468 { |
| 7083 | 469 // Print out the breakpoint information. |
| 470 | |
| 471 for (bp_table::fname_line_map_iterator it = bp_list.begin (); | |
| 472 it != bp_list.end (); it++) | |
| 473 { | |
| 474 octave_stdout << "Breakpoint in " << it->first << " at line(s) "; | |
| 475 | |
| 476 bp_table::intmap m = it->second; | |
| 477 | |
| 478 size_t nel = m.size (); | |
| 479 | |
| 480 for (size_t j = 0; j < nel; j++) | |
| 481 octave_stdout << m[j] << ((j < nel - 1) ? ", " : "."); | |
| 482 | |
| 483 if (nel > 0) | |
| 484 octave_stdout << std::endl; | |
| 485 } | |
| 486 return octave_value (); | |
| 487 } | |
| 488 else | |
| 489 { | |
| 490 // Fill in an array for return. | |
| 491 | |
| 7082 | 492 int i = 0; |
| 493 Cell names (dim_vector (bp_list.size (), 1)); | |
| 494 Cell file (dim_vector (bp_list.size (), 1)); | |
| 495 Cell line (dim_vector (bp_list.size (), 1)); | |
| 7083 | 496 |
| 497 for (bp_table::const_fname_line_map_iterator it = bp_list.begin (); | |
| 498 it != bp_list.end (); it++) | |
| 3946 | 499 { |
| 7083 | 500 names(i) = it->first; |
| 501 line(i) = intmap_to_ov (it->second); | |
| 502 file(i) = do_which (it->first); | |
| 7082 | 503 i++; |
| 3805 | 504 } |
| 7083 | 505 |
| 7082 | 506 retval.assign ("name", names); |
| 507 retval.assign ("file", file); | |
| 508 retval.assign ("line", line); | |
| 7083 | 509 |
| 7082 | 510 return octave_value (retval); |
| 3805 | 511 } |
| 512 } | |
| 513 | |
| 4208 | 514 DEFCMD (dbwhere, , , |
| 3805 | 515 "-*- texinfo -*-\n\ |
| 3895 | 516 @deftypefn {Loadable Function} {} dbwhere ()\n\ |
| 3805 | 517 Show where we are in the code\n\ |
| 5642 | 518 @seealso{dbclear, dbstatus, dbstop}\n\ |
| 5645 | 519 @end deftypefn") |
| 3805 | 520 { |
| 521 octave_value retval; | |
| 3946 | 522 |
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523 octave_user_code *dbg_fcn = get_user_code (); |
| 3805 | 524 |
| 525 if (dbg_fcn) | |
| 526 { | |
| 4748 | 527 std::string name = dbg_fcn->name (); |
| 3805 | 528 |
| 529 octave_stdout << name << ":"; | |
| 530 | |
| 531 const tree *dbg_stmt = tree::break_statement; | |
| 532 | |
| 533 if (dbg_stmt) | |
| 534 { | |
| 7083 | 535 octave_stdout << " line " << dbg_stmt->line () << ", "; |
| 3805 | 536 octave_stdout << "column " << dbg_stmt->column () << std::endl; |
| 537 } | |
| 538 else | |
| 7083 | 539 octave_stdout << " (unknown line)\n"; |
| 3805 | 540 } |
| 541 else | |
| 3948 | 542 error ("dbwhere: must be inside of a user function to use dbwhere\n"); |
| 3895 | 543 |
| 544 return retval; | |
| 545 } | |
| 546 | |
| 547 // Copied and modified from the do_type command in help.cc | |
| 3946 | 548 // Maybe we could share some code? |
| 549 void | |
| 3949 | 550 do_dbtype (std::ostream& os, const std::string& name, int start, int end) |
| 3895 | 551 { |
| 552 std::string ff = fcn_file_in_path (name); | |
| 553 | |
| 554 if (! ff.empty ()) | |
| 555 { | |
| 556 std::ifstream fs (ff.c_str (), std::ios::in); | |
| 3946 | 557 |
| 3895 | 558 if (fs) |
| 3946 | 559 { |
| 3895 | 560 char ch; |
| 561 int line = 1; | |
| 3946 | 562 |
| 3895 | 563 if (line >= start && line <= end) |
| 564 os << line << "\t"; | |
| 3946 | 565 |
| 3895 | 566 while (fs.get (ch)) |
| 567 { | |
| 568 if (line >= start && line <= end) | |
| 569 { | |
| 570 os << ch; | |
| 571 } | |
| 572 | |
| 573 if (ch == '\n') | |
| 574 { | |
| 575 line++; | |
| 576 if (line >= start && line <= end) | |
| 3946 | 577 os << line << "\t"; |
| 3895 | 578 } |
| 579 } | |
| 580 } | |
| 3946 | 581 else |
| 3949 | 582 os << "dbtype: unable to open `" << ff << "' for reading!\n"; |
| 3895 | 583 } |
| 584 else | |
| 6317 | 585 os << "dbtype: unknown function " << name << "\n"; |
| 3895 | 586 |
| 6646 | 587 os.flush (); |
| 3895 | 588 } |
| 589 | |
| 4208 | 590 DEFCMD (dbtype, args, , |
| 3895 | 591 "-*- texinfo -*-\n\ |
| 592 @deftypefn {Loadable Function} {} dbtype ()\n\ | |
| 593 List script file with line numbers.\n\ | |
| 5642 | 594 @seealso{dbclear, dbstatus, dbstop}\n\ |
| 595 @end deftypefn") | |
| 3895 | 596 { |
| 597 octave_value retval; | |
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598 octave_user_code *dbg_fcn; |
| 3946 | 599 |
| 3895 | 600 int nargin = args.length (); |
| 601 string_vector argv = args.make_argv ("dbtype"); | |
| 3946 | 602 |
| 3895 | 603 if (! error_state) |
| 604 { | |
| 605 switch (nargin) | |
| 606 { | |
| 607 case 0: // dbtype | |
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608 dbg_fcn = get_user_code (); |
| 3895 | 609 |
| 610 if (dbg_fcn) | |
| 4748 | 611 do_dbtype (octave_stdout, dbg_fcn->name (), 0, INT_MAX); |
| 3895 | 612 else |
| 3948 | 613 error ("dbtype: must be in a user function to give no arguments to dbtype\n"); |
| 3946 | 614 break; |
| 3895 | 615 |
| 3946 | 616 case 1: // (dbtype func) || (dbtype start:end) |
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617 dbg_fcn = get_user_code (argv[1]); |
| 3895 | 618 |
| 619 if (dbg_fcn) | |
| 4748 | 620 do_dbtype (octave_stdout, dbg_fcn->name (), 0, INT_MAX); |
| 3895 | 621 else |
| 622 { | |
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623 dbg_fcn = get_user_code (); |
| 3895 | 624 |
| 625 if (dbg_fcn) | |
| 626 { | |
| 3948 | 627 std::string arg = argv[1]; |
| 628 | |
| 629 size_t ind = arg.find (':'); | |
| 3895 | 630 |
| 3948 | 631 if (ind != NPOS) |
| 632 { | |
| 633 std::string start_str = arg.substr (0, ind); | |
| 634 std::string end_str = arg.substr (ind + 1); | |
| 635 | |
| 636 int start = atoi (start_str.c_str ()); | |
| 637 int end = atoi (end_str.c_str ()); | |
| 3946 | 638 |
| 6317 | 639 if (std::min (start, end) <= 0) |
| 640 error ("dbtype: start and end lines must be >= 1\n"); | |
| 641 | |
| 642 if (start <= end) | |
| 643 do_dbtype (octave_stdout, dbg_fcn->name (), start, end); | |
| 3948 | 644 else |
| 6317 | 645 error ("dbtype: start line must be less than end line\n"); |
| 3895 | 646 } |
| 3948 | 647 else |
| 6317 | 648 error ("dbtype: line specification must be `start:end'"); |
| 3895 | 649 } |
| 650 } | |
| 651 break; | |
| 3946 | 652 |
| 6317 | 653 case 2: // (dbtype func start:end) , (dbtype func start) |
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654 dbg_fcn = get_user_code (argv[1]); |
| 3895 | 655 |
| 656 if (dbg_fcn) | |
| 657 { | |
| 3948 | 658 std::string arg = argv[2]; |
| 6317 | 659 int start = 0; |
| 660 int end = 0; | |
| 3948 | 661 size_t ind = arg.find (':'); |
| 3895 | 662 |
| 3948 | 663 if (ind != NPOS) |
| 3895 | 664 { |
| 3948 | 665 std::string start_str = arg.substr (0, ind); |
| 666 std::string end_str = arg.substr (ind + 1); | |
| 3895 | 667 |
| 6317 | 668 start = atoi (start_str.c_str ()); |
| 669 end = atoi (end_str.c_str ()); | |
| 670 | |
| 3948 | 671 } |
| 672 else | |
| 6317 | 673 { |
| 674 start = atoi (arg.c_str ()); | |
| 675 end = start; | |
| 676 } | |
| 677 | |
| 678 if (std::min (start, end) <= 0) | |
| 679 error ("dbtype: start and end lines must be >= 1\n"); | |
| 680 | |
| 681 if (start <= end) | |
| 682 do_dbtype (octave_stdout, dbg_fcn->name (), start, end); | |
| 683 else | |
| 684 error ("dbtype: start line must be less than end line\n"); | |
| 3895 | 685 } |
| 3946 | 686 break; |
| 3895 | 687 |
| 688 default: | |
| 3948 | 689 error ("dbtype: expecting zero, one, or two arguments\n"); |
| 3895 | 690 } |
| 691 } | |
| 3805 | 692 |
| 693 return retval; | |
| 694 } | |
| 695 | |
| 696 /* | |
| 697 ;;; Local Variables: *** | |
| 698 ;;; mode: C++ *** | |
| 699 ;;; End: *** | |
| 700 */ |