| 1 | /* GDB CLI command scripting. |
| 2 | Copyright 1986-2000 Free Software Foundation, Inc. |
| 3 | |
| 4 | This file is part of GDB. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 59 Temple Place - Suite 330, |
| 19 | Boston, MA 02111-1307, USA. */ |
| 20 | |
| 21 | #include "defs.h" |
| 22 | #include "value.h" |
| 23 | #include "language.h" /* For value_true */ |
| 24 | #include <ctype.h> |
| 25 | |
| 26 | #ifdef UI_OUT |
| 27 | #include "ui-out.h" |
| 28 | #endif |
| 29 | |
| 30 | #include "top.h" |
| 31 | #include "cli/cli-cmds.h" |
| 32 | #include "cli/cli-decode.h" |
| 33 | #include "cli/cli-script.h" |
| 34 | |
| 35 | /* From gdb/top.c */ |
| 36 | |
| 37 | extern void dont_repeat (void); |
| 38 | |
| 39 | extern void do_restore_instream_cleanup (void *stream); |
| 40 | |
| 41 | /* Prototypes for local functions */ |
| 42 | |
| 43 | static struct cleanup * |
| 44 | make_cleanup_free_command_lines (struct command_line **arg); |
| 45 | |
| 46 | static enum command_control_type |
| 47 | recurse_read_control_structure (struct command_line *current_cmd); |
| 48 | |
| 49 | static char *insert_args (char *line); |
| 50 | |
| 51 | static struct cleanup * setup_user_args (char *p); |
| 52 | |
| 53 | static void validate_comname (char *); |
| 54 | |
| 55 | /* Level of control structure. */ |
| 56 | static int control_level; |
| 57 | |
| 58 | /* Source command state variable. */ |
| 59 | static int source_error_allocated; |
| 60 | |
| 61 | /* Structure for arguments to user defined functions. */ |
| 62 | #define MAXUSERARGS 10 |
| 63 | struct user_args |
| 64 | { |
| 65 | struct user_args *next; |
| 66 | struct |
| 67 | { |
| 68 | char *arg; |
| 69 | int len; |
| 70 | } |
| 71 | a[MAXUSERARGS]; |
| 72 | int count; |
| 73 | } |
| 74 | *user_args; |
| 75 | |
| 76 | \f |
| 77 | /* Allocate, initialize a new command line structure for one of the |
| 78 | control commands (if/while). */ |
| 79 | |
| 80 | static struct command_line * |
| 81 | build_command_line (enum command_control_type type, char *args) |
| 82 | { |
| 83 | struct command_line *cmd; |
| 84 | |
| 85 | if (args == NULL) |
| 86 | error ("if/while commands require arguments.\n"); |
| 87 | |
| 88 | cmd = (struct command_line *) xmalloc (sizeof (struct command_line)); |
| 89 | cmd->next = NULL; |
| 90 | cmd->control_type = type; |
| 91 | |
| 92 | cmd->body_count = 1; |
| 93 | cmd->body_list |
| 94 | = (struct command_line **) xmalloc (sizeof (struct command_line *) |
| 95 | * cmd->body_count); |
| 96 | memset (cmd->body_list, 0, sizeof (struct command_line *) * cmd->body_count); |
| 97 | cmd->line = savestring (args, strlen (args)); |
| 98 | return cmd; |
| 99 | } |
| 100 | |
| 101 | /* Build and return a new command structure for the control commands |
| 102 | such as "if" and "while". */ |
| 103 | |
| 104 | static struct command_line * |
| 105 | get_command_line (enum command_control_type type, char *arg) |
| 106 | { |
| 107 | struct command_line *cmd; |
| 108 | struct cleanup *old_chain = NULL; |
| 109 | |
| 110 | /* Allocate and build a new command line structure. */ |
| 111 | cmd = build_command_line (type, arg); |
| 112 | |
| 113 | old_chain = make_cleanup_free_command_lines (&cmd); |
| 114 | |
| 115 | /* Read in the body of this command. */ |
| 116 | if (recurse_read_control_structure (cmd) == invalid_control) |
| 117 | { |
| 118 | warning ("error reading in control structure\n"); |
| 119 | do_cleanups (old_chain); |
| 120 | return NULL; |
| 121 | } |
| 122 | |
| 123 | discard_cleanups (old_chain); |
| 124 | return cmd; |
| 125 | } |
| 126 | |
| 127 | /* Recursively print a command (including full control structures). */ |
| 128 | #ifdef UI_OUT |
| 129 | void |
| 130 | print_command_lines (struct ui_out *uiout, struct command_line *cmd, |
| 131 | unsigned int depth) |
| 132 | { |
| 133 | struct command_line *list; |
| 134 | |
| 135 | list = cmd; |
| 136 | while (list) |
| 137 | { |
| 138 | |
| 139 | if (depth) |
| 140 | ui_out_spaces (uiout, 2 * depth); |
| 141 | |
| 142 | /* A simple command, print it and continue. */ |
| 143 | if (list->control_type == simple_control) |
| 144 | { |
| 145 | ui_out_field_string (uiout, NULL, list->line); |
| 146 | ui_out_text (uiout, "\n"); |
| 147 | list = list->next; |
| 148 | continue; |
| 149 | } |
| 150 | |
| 151 | /* loop_continue to jump to the start of a while loop, print it |
| 152 | and continue. */ |
| 153 | if (list->control_type == continue_control) |
| 154 | { |
| 155 | ui_out_field_string (uiout, NULL, "loop_continue"); |
| 156 | ui_out_text (uiout, "\n"); |
| 157 | list = list->next; |
| 158 | continue; |
| 159 | } |
| 160 | |
| 161 | /* loop_break to break out of a while loop, print it and continue. */ |
| 162 | if (list->control_type == break_control) |
| 163 | { |
| 164 | ui_out_field_string (uiout, NULL, "loop_break"); |
| 165 | ui_out_text (uiout, "\n"); |
| 166 | list = list->next; |
| 167 | continue; |
| 168 | } |
| 169 | |
| 170 | /* A while command. Recursively print its subcommands and continue. */ |
| 171 | if (list->control_type == while_control) |
| 172 | { |
| 173 | ui_out_text (uiout, "while "); |
| 174 | ui_out_field_fmt (uiout, NULL, "while %s", list->line); |
| 175 | ui_out_text (uiout, "\n"); |
| 176 | print_command_lines (uiout, *list->body_list, depth + 1); |
| 177 | ui_out_field_string (uiout, NULL, "end"); |
| 178 | if (depth) |
| 179 | ui_out_spaces (uiout, 2 * depth); |
| 180 | ui_out_text (uiout, "end\n"); |
| 181 | list = list->next; |
| 182 | continue; |
| 183 | } |
| 184 | |
| 185 | /* An if command. Recursively print both arms before continueing. */ |
| 186 | if (list->control_type == if_control) |
| 187 | { |
| 188 | ui_out_text (uiout, "if "); |
| 189 | ui_out_field_fmt (uiout, NULL, "if %s", list->line); |
| 190 | ui_out_text (uiout, "\n"); |
| 191 | /* The true arm. */ |
| 192 | print_command_lines (uiout, list->body_list[0], depth + 1); |
| 193 | |
| 194 | /* Show the false arm if it exists. */ |
| 195 | if (list->body_count == 2) |
| 196 | { |
| 197 | if (depth) |
| 198 | ui_out_spaces (uiout, 2 * depth); |
| 199 | ui_out_field_string (uiout, NULL, "else"); |
| 200 | ui_out_text (uiout, "else\n"); |
| 201 | print_command_lines (uiout, list->body_list[1], depth + 1); |
| 202 | } |
| 203 | |
| 204 | ui_out_field_string (uiout, NULL, "end"); |
| 205 | if (depth) |
| 206 | ui_out_spaces (uiout, 2 * depth); |
| 207 | ui_out_text (uiout, "end\n"); |
| 208 | list = list->next; |
| 209 | continue; |
| 210 | } |
| 211 | |
| 212 | /* ignore illegal command type and try next */ |
| 213 | list = list->next; |
| 214 | } /* while (list) */ |
| 215 | } |
| 216 | #else |
| 217 | void |
| 218 | print_command_line (struct command_line *cmd, unsigned int depth, |
| 219 | struct ui_file *stream) |
| 220 | { |
| 221 | unsigned int i; |
| 222 | |
| 223 | if (depth) |
| 224 | { |
| 225 | for (i = 0; i < depth; i++) |
| 226 | fputs_filtered (" ", stream); |
| 227 | } |
| 228 | |
| 229 | /* A simple command, print it and return. */ |
| 230 | if (cmd->control_type == simple_control) |
| 231 | { |
| 232 | fputs_filtered (cmd->line, stream); |
| 233 | fputs_filtered ("\n", stream); |
| 234 | return; |
| 235 | } |
| 236 | |
| 237 | /* loop_continue to jump to the start of a while loop, print it |
| 238 | and return. */ |
| 239 | if (cmd->control_type == continue_control) |
| 240 | { |
| 241 | fputs_filtered ("loop_continue\n", stream); |
| 242 | return; |
| 243 | } |
| 244 | |
| 245 | /* loop_break to break out of a while loop, print it and return. */ |
| 246 | if (cmd->control_type == break_control) |
| 247 | { |
| 248 | fputs_filtered ("loop_break\n", stream); |
| 249 | return; |
| 250 | } |
| 251 | |
| 252 | /* A while command. Recursively print its subcommands before returning. */ |
| 253 | if (cmd->control_type == while_control) |
| 254 | { |
| 255 | struct command_line *list; |
| 256 | fputs_filtered ("while ", stream); |
| 257 | fputs_filtered (cmd->line, stream); |
| 258 | fputs_filtered ("\n", stream); |
| 259 | list = *cmd->body_list; |
| 260 | while (list) |
| 261 | { |
| 262 | print_command_line (list, depth + 1, stream); |
| 263 | list = list->next; |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | /* An if command. Recursively print both arms before returning. */ |
| 268 | if (cmd->control_type == if_control) |
| 269 | { |
| 270 | fputs_filtered ("if ", stream); |
| 271 | fputs_filtered (cmd->line, stream); |
| 272 | fputs_filtered ("\n", stream); |
| 273 | /* The true arm. */ |
| 274 | print_command_line (cmd->body_list[0], depth + 1, stream); |
| 275 | |
| 276 | /* Show the false arm if it exists. */ |
| 277 | if (cmd->body_count == 2) |
| 278 | { |
| 279 | if (depth) |
| 280 | { |
| 281 | for (i = 0; i < depth; i++) |
| 282 | fputs_filtered (" ", stream); |
| 283 | } |
| 284 | fputs_filtered ("else\n", stream); |
| 285 | print_command_line (cmd->body_list[1], depth + 1, stream); |
| 286 | } |
| 287 | if (depth) |
| 288 | { |
| 289 | for (i = 0; i < depth; i++) |
| 290 | fputs_filtered (" ", stream); |
| 291 | } |
| 292 | fputs_filtered ("end\n", stream); |
| 293 | } |
| 294 | } |
| 295 | #endif |
| 296 | |
| 297 | /* Execute the command in CMD. */ |
| 298 | |
| 299 | void |
| 300 | execute_user_command (struct cmd_list_element *c, char *args) |
| 301 | { |
| 302 | register struct command_line *cmdlines; |
| 303 | struct cleanup *old_chain; |
| 304 | enum command_control_type ret; |
| 305 | |
| 306 | old_chain = setup_user_args (args); |
| 307 | |
| 308 | cmdlines = c->user_commands; |
| 309 | if (cmdlines == 0) |
| 310 | /* Null command */ |
| 311 | return; |
| 312 | |
| 313 | /* Set the instream to 0, indicating execution of a |
| 314 | user-defined function. */ |
| 315 | old_chain = make_cleanup (do_restore_instream_cleanup, instream); |
| 316 | instream = (FILE *) 0; |
| 317 | while (cmdlines) |
| 318 | { |
| 319 | ret = execute_control_command (cmdlines); |
| 320 | if (ret != simple_control && ret != break_control) |
| 321 | { |
| 322 | warning ("Error in control structure.\n"); |
| 323 | break; |
| 324 | } |
| 325 | cmdlines = cmdlines->next; |
| 326 | } |
| 327 | do_cleanups (old_chain); |
| 328 | } |
| 329 | |
| 330 | enum command_control_type |
| 331 | execute_control_command (struct command_line *cmd) |
| 332 | { |
| 333 | struct expression *expr; |
| 334 | struct command_line *current; |
| 335 | struct cleanup *old_chain = 0; |
| 336 | value_ptr val; |
| 337 | value_ptr val_mark; |
| 338 | int loop; |
| 339 | enum command_control_type ret; |
| 340 | char *new_line; |
| 341 | |
| 342 | switch (cmd->control_type) |
| 343 | { |
| 344 | case simple_control: |
| 345 | /* A simple command, execute it and return. */ |
| 346 | new_line = insert_args (cmd->line); |
| 347 | if (!new_line) |
| 348 | return invalid_control; |
| 349 | old_chain = make_cleanup (free_current_contents, &new_line); |
| 350 | execute_command (new_line, 0); |
| 351 | ret = cmd->control_type; |
| 352 | break; |
| 353 | |
| 354 | case continue_control: |
| 355 | case break_control: |
| 356 | /* Return for "continue", and "break" so we can either |
| 357 | continue the loop at the top, or break out. */ |
| 358 | ret = cmd->control_type; |
| 359 | break; |
| 360 | |
| 361 | case while_control: |
| 362 | { |
| 363 | /* Parse the loop control expression for the while statement. */ |
| 364 | new_line = insert_args (cmd->line); |
| 365 | if (!new_line) |
| 366 | return invalid_control; |
| 367 | old_chain = make_cleanup (free_current_contents, &new_line); |
| 368 | expr = parse_expression (new_line); |
| 369 | make_cleanup (free_current_contents, &expr); |
| 370 | |
| 371 | ret = simple_control; |
| 372 | loop = 1; |
| 373 | |
| 374 | /* Keep iterating so long as the expression is true. */ |
| 375 | while (loop == 1) |
| 376 | { |
| 377 | int cond_result; |
| 378 | |
| 379 | QUIT; |
| 380 | |
| 381 | /* Evaluate the expression. */ |
| 382 | val_mark = value_mark (); |
| 383 | val = evaluate_expression (expr); |
| 384 | cond_result = value_true (val); |
| 385 | value_free_to_mark (val_mark); |
| 386 | |
| 387 | /* If the value is false, then break out of the loop. */ |
| 388 | if (!cond_result) |
| 389 | break; |
| 390 | |
| 391 | /* Execute the body of the while statement. */ |
| 392 | current = *cmd->body_list; |
| 393 | while (current) |
| 394 | { |
| 395 | ret = execute_control_command (current); |
| 396 | |
| 397 | /* If we got an error, or a "break" command, then stop |
| 398 | looping. */ |
| 399 | if (ret == invalid_control || ret == break_control) |
| 400 | { |
| 401 | loop = 0; |
| 402 | break; |
| 403 | } |
| 404 | |
| 405 | /* If we got a "continue" command, then restart the loop |
| 406 | at this point. */ |
| 407 | if (ret == continue_control) |
| 408 | break; |
| 409 | |
| 410 | /* Get the next statement. */ |
| 411 | current = current->next; |
| 412 | } |
| 413 | } |
| 414 | |
| 415 | /* Reset RET so that we don't recurse the break all the way down. */ |
| 416 | if (ret == break_control) |
| 417 | ret = simple_control; |
| 418 | |
| 419 | break; |
| 420 | } |
| 421 | |
| 422 | case if_control: |
| 423 | { |
| 424 | new_line = insert_args (cmd->line); |
| 425 | if (!new_line) |
| 426 | return invalid_control; |
| 427 | old_chain = make_cleanup (free_current_contents, &new_line); |
| 428 | /* Parse the conditional for the if statement. */ |
| 429 | expr = parse_expression (new_line); |
| 430 | make_cleanup (free_current_contents, &expr); |
| 431 | |
| 432 | current = NULL; |
| 433 | ret = simple_control; |
| 434 | |
| 435 | /* Evaluate the conditional. */ |
| 436 | val_mark = value_mark (); |
| 437 | val = evaluate_expression (expr); |
| 438 | |
| 439 | /* Choose which arm to take commands from based on the value of the |
| 440 | conditional expression. */ |
| 441 | if (value_true (val)) |
| 442 | current = *cmd->body_list; |
| 443 | else if (cmd->body_count == 2) |
| 444 | current = *(cmd->body_list + 1); |
| 445 | value_free_to_mark (val_mark); |
| 446 | |
| 447 | /* Execute commands in the given arm. */ |
| 448 | while (current) |
| 449 | { |
| 450 | ret = execute_control_command (current); |
| 451 | |
| 452 | /* If we got an error, get out. */ |
| 453 | if (ret != simple_control) |
| 454 | break; |
| 455 | |
| 456 | /* Get the next statement in the body. */ |
| 457 | current = current->next; |
| 458 | } |
| 459 | |
| 460 | break; |
| 461 | } |
| 462 | |
| 463 | default: |
| 464 | warning ("Invalid control type in command structure."); |
| 465 | return invalid_control; |
| 466 | } |
| 467 | |
| 468 | if (old_chain) |
| 469 | do_cleanups (old_chain); |
| 470 | |
| 471 | return ret; |
| 472 | } |
| 473 | |
| 474 | /* "while" command support. Executes a body of statements while the |
| 475 | loop condition is nonzero. */ |
| 476 | |
| 477 | void |
| 478 | while_command (char *arg, int from_tty) |
| 479 | { |
| 480 | struct command_line *command = NULL; |
| 481 | |
| 482 | control_level = 1; |
| 483 | command = get_command_line (while_control, arg); |
| 484 | |
| 485 | if (command == NULL) |
| 486 | return; |
| 487 | |
| 488 | execute_control_command (command); |
| 489 | free_command_lines (&command); |
| 490 | } |
| 491 | |
| 492 | /* "if" command support. Execute either the true or false arm depending |
| 493 | on the value of the if conditional. */ |
| 494 | |
| 495 | void |
| 496 | if_command (char *arg, int from_tty) |
| 497 | { |
| 498 | struct command_line *command = NULL; |
| 499 | |
| 500 | control_level = 1; |
| 501 | command = get_command_line (if_control, arg); |
| 502 | |
| 503 | if (command == NULL) |
| 504 | return; |
| 505 | |
| 506 | execute_control_command (command); |
| 507 | free_command_lines (&command); |
| 508 | } |
| 509 | |
| 510 | /* Cleanup */ |
| 511 | static void |
| 512 | arg_cleanup (void *ignore) |
| 513 | { |
| 514 | struct user_args *oargs = user_args; |
| 515 | if (!user_args) |
| 516 | internal_error ("Internal error, arg_cleanup called with no user args.\n"); |
| 517 | |
| 518 | user_args = user_args->next; |
| 519 | free (oargs); |
| 520 | } |
| 521 | |
| 522 | /* Bind the incomming arguments for a user defined command to |
| 523 | $arg0, $arg1 ... $argMAXUSERARGS. */ |
| 524 | |
| 525 | static struct cleanup * |
| 526 | setup_user_args (char *p) |
| 527 | { |
| 528 | struct user_args *args; |
| 529 | struct cleanup *old_chain; |
| 530 | unsigned int arg_count = 0; |
| 531 | |
| 532 | args = (struct user_args *) xmalloc (sizeof (struct user_args)); |
| 533 | memset (args, 0, sizeof (struct user_args)); |
| 534 | |
| 535 | args->next = user_args; |
| 536 | user_args = args; |
| 537 | |
| 538 | old_chain = make_cleanup (arg_cleanup, 0/*ignored*/); |
| 539 | |
| 540 | if (p == NULL) |
| 541 | return old_chain; |
| 542 | |
| 543 | while (*p) |
| 544 | { |
| 545 | char *start_arg; |
| 546 | int squote = 0; |
| 547 | int dquote = 0; |
| 548 | int bsquote = 0; |
| 549 | |
| 550 | if (arg_count >= MAXUSERARGS) |
| 551 | { |
| 552 | error ("user defined function may only have %d arguments.\n", |
| 553 | MAXUSERARGS); |
| 554 | return old_chain; |
| 555 | } |
| 556 | |
| 557 | /* Strip whitespace. */ |
| 558 | while (*p == ' ' || *p == '\t') |
| 559 | p++; |
| 560 | |
| 561 | /* P now points to an argument. */ |
| 562 | start_arg = p; |
| 563 | user_args->a[arg_count].arg = p; |
| 564 | |
| 565 | /* Get to the end of this argument. */ |
| 566 | while (*p) |
| 567 | { |
| 568 | if (((*p == ' ' || *p == '\t')) && !squote && !dquote && !bsquote) |
| 569 | break; |
| 570 | else |
| 571 | { |
| 572 | if (bsquote) |
| 573 | bsquote = 0; |
| 574 | else if (*p == '\\') |
| 575 | bsquote = 1; |
| 576 | else if (squote) |
| 577 | { |
| 578 | if (*p == '\'') |
| 579 | squote = 0; |
| 580 | } |
| 581 | else if (dquote) |
| 582 | { |
| 583 | if (*p == '"') |
| 584 | dquote = 0; |
| 585 | } |
| 586 | else |
| 587 | { |
| 588 | if (*p == '\'') |
| 589 | squote = 1; |
| 590 | else if (*p == '"') |
| 591 | dquote = 1; |
| 592 | } |
| 593 | p++; |
| 594 | } |
| 595 | } |
| 596 | |
| 597 | user_args->a[arg_count].len = p - start_arg; |
| 598 | arg_count++; |
| 599 | user_args->count++; |
| 600 | } |
| 601 | return old_chain; |
| 602 | } |
| 603 | |
| 604 | /* Given character string P, return a point to the first argument ($arg), |
| 605 | or NULL if P contains no arguments. */ |
| 606 | |
| 607 | static char * |
| 608 | locate_arg (char *p) |
| 609 | { |
| 610 | while ((p = strchr (p, '$'))) |
| 611 | { |
| 612 | if (strncmp (p, "$arg", 4) == 0 && isdigit (p[4])) |
| 613 | return p; |
| 614 | p++; |
| 615 | } |
| 616 | return NULL; |
| 617 | } |
| 618 | |
| 619 | /* Insert the user defined arguments stored in user_arg into the $arg |
| 620 | arguments found in line, with the updated copy being placed into nline. */ |
| 621 | |
| 622 | static char * |
| 623 | insert_args (char *line) |
| 624 | { |
| 625 | char *p, *save_line, *new_line; |
| 626 | unsigned len, i; |
| 627 | |
| 628 | /* First we need to know how much memory to allocate for the new line. */ |
| 629 | save_line = line; |
| 630 | len = 0; |
| 631 | while ((p = locate_arg (line))) |
| 632 | { |
| 633 | len += p - line; |
| 634 | i = p[4] - '0'; |
| 635 | |
| 636 | if (i >= user_args->count) |
| 637 | { |
| 638 | error ("Missing argument %d in user function.\n", i); |
| 639 | return NULL; |
| 640 | } |
| 641 | len += user_args->a[i].len; |
| 642 | line = p + 5; |
| 643 | } |
| 644 | |
| 645 | /* Don't forget the tail. */ |
| 646 | len += strlen (line); |
| 647 | |
| 648 | /* Allocate space for the new line and fill it in. */ |
| 649 | new_line = (char *) xmalloc (len + 1); |
| 650 | if (new_line == NULL) |
| 651 | return NULL; |
| 652 | |
| 653 | /* Restore pointer to beginning of old line. */ |
| 654 | line = save_line; |
| 655 | |
| 656 | /* Save pointer to beginning of new line. */ |
| 657 | save_line = new_line; |
| 658 | |
| 659 | while ((p = locate_arg (line))) |
| 660 | { |
| 661 | int i, len; |
| 662 | |
| 663 | memcpy (new_line, line, p - line); |
| 664 | new_line += p - line; |
| 665 | i = p[4] - '0'; |
| 666 | |
| 667 | len = user_args->a[i].len; |
| 668 | if (len) |
| 669 | { |
| 670 | memcpy (new_line, user_args->a[i].arg, len); |
| 671 | new_line += len; |
| 672 | } |
| 673 | line = p + 5; |
| 674 | } |
| 675 | /* Don't forget the tail. */ |
| 676 | strcpy (new_line, line); |
| 677 | |
| 678 | /* Return a pointer to the beginning of the new line. */ |
| 679 | return save_line; |
| 680 | } |
| 681 | |
| 682 | \f |
| 683 | /* Expand the body_list of COMMAND so that it can hold NEW_LENGTH |
| 684 | code bodies. This is typically used when we encounter an "else" |
| 685 | clause for an "if" command. */ |
| 686 | |
| 687 | static void |
| 688 | realloc_body_list (struct command_line *command, int new_length) |
| 689 | { |
| 690 | int n; |
| 691 | struct command_line **body_list; |
| 692 | |
| 693 | n = command->body_count; |
| 694 | |
| 695 | /* Nothing to do? */ |
| 696 | if (new_length <= n) |
| 697 | return; |
| 698 | |
| 699 | body_list = (struct command_line **) |
| 700 | xmalloc (sizeof (struct command_line *) * new_length); |
| 701 | |
| 702 | memcpy (body_list, command->body_list, sizeof (struct command_line *) * n); |
| 703 | |
| 704 | free (command->body_list); |
| 705 | command->body_list = body_list; |
| 706 | command->body_count = new_length; |
| 707 | } |
| 708 | |
| 709 | /* Read one line from the input stream. If the command is an "else" or |
| 710 | "end", return such an indication to the caller. */ |
| 711 | |
| 712 | static enum misc_command_type |
| 713 | read_next_line (struct command_line **command) |
| 714 | { |
| 715 | char *p, *p1, *prompt_ptr, control_prompt[256]; |
| 716 | int i = 0; |
| 717 | |
| 718 | if (control_level >= 254) |
| 719 | error ("Control nesting too deep!\n"); |
| 720 | |
| 721 | /* Set a prompt based on the nesting of the control commands. */ |
| 722 | if (instream == stdin || (instream == 0 && readline_hook != NULL)) |
| 723 | { |
| 724 | for (i = 0; i < control_level; i++) |
| 725 | control_prompt[i] = ' '; |
| 726 | control_prompt[i] = '>'; |
| 727 | control_prompt[i + 1] = '\0'; |
| 728 | prompt_ptr = (char *) &control_prompt[0]; |
| 729 | } |
| 730 | else |
| 731 | prompt_ptr = NULL; |
| 732 | |
| 733 | p = command_line_input (prompt_ptr, instream == stdin, "commands"); |
| 734 | |
| 735 | /* Not sure what to do here. */ |
| 736 | if (p == NULL) |
| 737 | return end_command; |
| 738 | |
| 739 | /* Strip leading and trailing whitespace. */ |
| 740 | while (*p == ' ' || *p == '\t') |
| 741 | p++; |
| 742 | |
| 743 | p1 = p + strlen (p); |
| 744 | while (p1 != p && (p1[-1] == ' ' || p1[-1] == '\t')) |
| 745 | p1--; |
| 746 | |
| 747 | /* Blanks and comments don't really do anything, but we need to |
| 748 | distinguish them from else, end and other commands which can be |
| 749 | executed. */ |
| 750 | if (p1 == p || p[0] == '#') |
| 751 | return nop_command; |
| 752 | |
| 753 | /* Is this the end of a simple, while, or if control structure? */ |
| 754 | if (p1 - p == 3 && !strncmp (p, "end", 3)) |
| 755 | return end_command; |
| 756 | |
| 757 | /* Is the else clause of an if control structure? */ |
| 758 | if (p1 - p == 4 && !strncmp (p, "else", 4)) |
| 759 | return else_command; |
| 760 | |
| 761 | /* Check for while, if, break, continue, etc and build a new command |
| 762 | line structure for them. */ |
| 763 | if (p1 - p > 5 && !strncmp (p, "while", 5)) |
| 764 | *command = build_command_line (while_control, p + 6); |
| 765 | else if (p1 - p > 2 && !strncmp (p, "if", 2)) |
| 766 | *command = build_command_line (if_control, p + 3); |
| 767 | else if (p1 - p == 10 && !strncmp (p, "loop_break", 10)) |
| 768 | { |
| 769 | *command = (struct command_line *) |
| 770 | xmalloc (sizeof (struct command_line)); |
| 771 | (*command)->next = NULL; |
| 772 | (*command)->line = NULL; |
| 773 | (*command)->control_type = break_control; |
| 774 | (*command)->body_count = 0; |
| 775 | (*command)->body_list = NULL; |
| 776 | } |
| 777 | else if (p1 - p == 13 && !strncmp (p, "loop_continue", 13)) |
| 778 | { |
| 779 | *command = (struct command_line *) |
| 780 | xmalloc (sizeof (struct command_line)); |
| 781 | (*command)->next = NULL; |
| 782 | (*command)->line = NULL; |
| 783 | (*command)->control_type = continue_control; |
| 784 | (*command)->body_count = 0; |
| 785 | (*command)->body_list = NULL; |
| 786 | } |
| 787 | else |
| 788 | { |
| 789 | /* A normal command. */ |
| 790 | *command = (struct command_line *) |
| 791 | xmalloc (sizeof (struct command_line)); |
| 792 | (*command)->next = NULL; |
| 793 | (*command)->line = savestring (p, p1 - p); |
| 794 | (*command)->control_type = simple_control; |
| 795 | (*command)->body_count = 0; |
| 796 | (*command)->body_list = NULL; |
| 797 | } |
| 798 | |
| 799 | /* Nothing special. */ |
| 800 | return ok_command; |
| 801 | } |
| 802 | |
| 803 | /* Recursively read in the control structures and create a command_line |
| 804 | structure from them. |
| 805 | |
| 806 | The parent_control parameter is the control structure in which the |
| 807 | following commands are nested. */ |
| 808 | |
| 809 | static enum command_control_type |
| 810 | recurse_read_control_structure (struct command_line *current_cmd) |
| 811 | { |
| 812 | int current_body, i; |
| 813 | enum misc_command_type val; |
| 814 | enum command_control_type ret; |
| 815 | struct command_line **body_ptr, *child_tail, *next; |
| 816 | |
| 817 | child_tail = NULL; |
| 818 | current_body = 1; |
| 819 | |
| 820 | /* Sanity checks. */ |
| 821 | if (current_cmd->control_type == simple_control) |
| 822 | { |
| 823 | error ("Recursed on a simple control type\n"); |
| 824 | return invalid_control; |
| 825 | } |
| 826 | |
| 827 | if (current_body > current_cmd->body_count) |
| 828 | { |
| 829 | error ("Allocated body is smaller than this command type needs\n"); |
| 830 | return invalid_control; |
| 831 | } |
| 832 | |
| 833 | /* Read lines from the input stream and build control structures. */ |
| 834 | while (1) |
| 835 | { |
| 836 | dont_repeat (); |
| 837 | |
| 838 | next = NULL; |
| 839 | val = read_next_line (&next); |
| 840 | |
| 841 | /* Just skip blanks and comments. */ |
| 842 | if (val == nop_command) |
| 843 | continue; |
| 844 | |
| 845 | if (val == end_command) |
| 846 | { |
| 847 | if (current_cmd->control_type == while_control |
| 848 | || current_cmd->control_type == if_control) |
| 849 | { |
| 850 | /* Success reading an entire control structure. */ |
| 851 | ret = simple_control; |
| 852 | break; |
| 853 | } |
| 854 | else |
| 855 | { |
| 856 | ret = invalid_control; |
| 857 | break; |
| 858 | } |
| 859 | } |
| 860 | |
| 861 | /* Not the end of a control structure. */ |
| 862 | if (val == else_command) |
| 863 | { |
| 864 | if (current_cmd->control_type == if_control |
| 865 | && current_body == 1) |
| 866 | { |
| 867 | realloc_body_list (current_cmd, 2); |
| 868 | current_body = 2; |
| 869 | child_tail = NULL; |
| 870 | continue; |
| 871 | } |
| 872 | else |
| 873 | { |
| 874 | ret = invalid_control; |
| 875 | break; |
| 876 | } |
| 877 | } |
| 878 | |
| 879 | if (child_tail) |
| 880 | { |
| 881 | child_tail->next = next; |
| 882 | } |
| 883 | else |
| 884 | { |
| 885 | body_ptr = current_cmd->body_list; |
| 886 | for (i = 1; i < current_body; i++) |
| 887 | body_ptr++; |
| 888 | |
| 889 | *body_ptr = next; |
| 890 | |
| 891 | } |
| 892 | |
| 893 | child_tail = next; |
| 894 | |
| 895 | /* If the latest line is another control structure, then recurse |
| 896 | on it. */ |
| 897 | if (next->control_type == while_control |
| 898 | || next->control_type == if_control) |
| 899 | { |
| 900 | control_level++; |
| 901 | ret = recurse_read_control_structure (next); |
| 902 | control_level--; |
| 903 | |
| 904 | if (ret != simple_control) |
| 905 | break; |
| 906 | } |
| 907 | } |
| 908 | |
| 909 | dont_repeat (); |
| 910 | |
| 911 | return ret; |
| 912 | } |
| 913 | |
| 914 | /* Read lines from the input stream and accumulate them in a chain of |
| 915 | struct command_line's, which is then returned. For input from a |
| 916 | terminal, the special command "end" is used to mark the end of the |
| 917 | input, and is not included in the returned chain of commands. */ |
| 918 | |
| 919 | #define END_MESSAGE "End with a line saying just \"end\"." |
| 920 | |
| 921 | struct command_line * |
| 922 | read_command_lines (char *prompt_arg, int from_tty) |
| 923 | { |
| 924 | struct command_line *head, *tail, *next; |
| 925 | struct cleanup *old_chain; |
| 926 | enum command_control_type ret; |
| 927 | enum misc_command_type val; |
| 928 | |
| 929 | control_level = 0; |
| 930 | if (readline_begin_hook) |
| 931 | { |
| 932 | /* Note - intentional to merge messages with no newline */ |
| 933 | (*readline_begin_hook) ("%s %s\n", prompt_arg, END_MESSAGE); |
| 934 | } |
| 935 | else if (from_tty && input_from_terminal_p ()) |
| 936 | { |
| 937 | printf_unfiltered ("%s\n%s\n", prompt_arg, END_MESSAGE); |
| 938 | gdb_flush (gdb_stdout); |
| 939 | } |
| 940 | |
| 941 | head = tail = NULL; |
| 942 | old_chain = NULL; |
| 943 | |
| 944 | while (1) |
| 945 | { |
| 946 | val = read_next_line (&next); |
| 947 | |
| 948 | /* Ignore blank lines or comments. */ |
| 949 | if (val == nop_command) |
| 950 | continue; |
| 951 | |
| 952 | if (val == end_command) |
| 953 | { |
| 954 | ret = simple_control; |
| 955 | break; |
| 956 | } |
| 957 | |
| 958 | if (val != ok_command) |
| 959 | { |
| 960 | ret = invalid_control; |
| 961 | break; |
| 962 | } |
| 963 | |
| 964 | if (next->control_type == while_control |
| 965 | || next->control_type == if_control) |
| 966 | { |
| 967 | control_level++; |
| 968 | ret = recurse_read_control_structure (next); |
| 969 | control_level--; |
| 970 | |
| 971 | if (ret == invalid_control) |
| 972 | break; |
| 973 | } |
| 974 | |
| 975 | if (tail) |
| 976 | { |
| 977 | tail->next = next; |
| 978 | } |
| 979 | else |
| 980 | { |
| 981 | head = next; |
| 982 | old_chain = make_cleanup_free_command_lines (&head); |
| 983 | } |
| 984 | tail = next; |
| 985 | } |
| 986 | |
| 987 | dont_repeat (); |
| 988 | |
| 989 | if (head) |
| 990 | { |
| 991 | if (ret != invalid_control) |
| 992 | { |
| 993 | discard_cleanups (old_chain); |
| 994 | } |
| 995 | else |
| 996 | do_cleanups (old_chain); |
| 997 | } |
| 998 | |
| 999 | if (readline_end_hook) |
| 1000 | { |
| 1001 | (*readline_end_hook) (); |
| 1002 | } |
| 1003 | return (head); |
| 1004 | } |
| 1005 | |
| 1006 | /* Free a chain of struct command_line's. */ |
| 1007 | |
| 1008 | void |
| 1009 | free_command_lines (struct command_line **lptr) |
| 1010 | { |
| 1011 | register struct command_line *l = *lptr; |
| 1012 | register struct command_line *next; |
| 1013 | struct command_line **blist; |
| 1014 | int i; |
| 1015 | |
| 1016 | while (l) |
| 1017 | { |
| 1018 | if (l->body_count > 0) |
| 1019 | { |
| 1020 | blist = l->body_list; |
| 1021 | for (i = 0; i < l->body_count; i++, blist++) |
| 1022 | free_command_lines (blist); |
| 1023 | } |
| 1024 | next = l->next; |
| 1025 | free (l->line); |
| 1026 | free ((PTR) l); |
| 1027 | l = next; |
| 1028 | } |
| 1029 | } |
| 1030 | |
| 1031 | static void |
| 1032 | do_free_command_lines_cleanup (void *arg) |
| 1033 | { |
| 1034 | free_command_lines (arg); |
| 1035 | } |
| 1036 | |
| 1037 | static struct cleanup * |
| 1038 | make_cleanup_free_command_lines (struct command_line **arg) |
| 1039 | { |
| 1040 | return make_cleanup (do_free_command_lines_cleanup, arg); |
| 1041 | } |
| 1042 | \f |
| 1043 | static void |
| 1044 | validate_comname (char *comname) |
| 1045 | { |
| 1046 | register char *p; |
| 1047 | |
| 1048 | if (comname == 0) |
| 1049 | error_no_arg ("name of command to define"); |
| 1050 | |
| 1051 | p = comname; |
| 1052 | while (*p) |
| 1053 | { |
| 1054 | if (!isalnum (*p) && *p != '-' && *p != '_') |
| 1055 | error ("Junk in argument list: \"%s\"", p); |
| 1056 | p++; |
| 1057 | } |
| 1058 | } |
| 1059 | |
| 1060 | /* This is just a placeholder in the command data structures. */ |
| 1061 | static void |
| 1062 | user_defined_command (char *ignore, int from_tty) |
| 1063 | { |
| 1064 | } |
| 1065 | |
| 1066 | void |
| 1067 | define_command (char *comname, int from_tty) |
| 1068 | { |
| 1069 | #define MAX_TMPBUF 128 |
| 1070 | enum cmd_hook_type |
| 1071 | { |
| 1072 | CMD_NO_HOOK = 0, |
| 1073 | CMD_PRE_HOOK, |
| 1074 | CMD_POST_HOOK |
| 1075 | }; |
| 1076 | register struct command_line *cmds; |
| 1077 | register struct cmd_list_element *c, *newc, *oldc, *hookc = 0; |
| 1078 | char *tem = comname; |
| 1079 | char *tem2; |
| 1080 | char tmpbuf[MAX_TMPBUF]; |
| 1081 | int hook_type = CMD_NO_HOOK; |
| 1082 | int hook_name_size = 0; |
| 1083 | |
| 1084 | #define HOOK_STRING "hook-" |
| 1085 | #define HOOK_LEN 5 |
| 1086 | #define HOOK_POST_STRING "hookpost-" |
| 1087 | #define HOOK_POST_LEN 9 |
| 1088 | |
| 1089 | validate_comname (comname); |
| 1090 | |
| 1091 | /* Look it up, and verify that we got an exact match. */ |
| 1092 | c = lookup_cmd (&tem, cmdlist, "", -1, 1); |
| 1093 | if (c && !STREQ (comname, c->name)) |
| 1094 | c = 0; |
| 1095 | |
| 1096 | if (c) |
| 1097 | { |
| 1098 | if (c->class == class_user || c->class == class_alias) |
| 1099 | tem = "Redefine command \"%s\"? "; |
| 1100 | else |
| 1101 | tem = "Really redefine built-in command \"%s\"? "; |
| 1102 | if (!query (tem, c->name)) |
| 1103 | error ("Command \"%s\" not redefined.", c->name); |
| 1104 | } |
| 1105 | |
| 1106 | /* If this new command is a hook, then mark the command which it |
| 1107 | is hooking. Note that we allow hooking `help' commands, so that |
| 1108 | we can hook the `stop' pseudo-command. */ |
| 1109 | |
| 1110 | if (!strncmp (comname, HOOK_STRING, HOOK_LEN)) |
| 1111 | { |
| 1112 | hook_type = CMD_PRE_HOOK; |
| 1113 | hook_name_size = HOOK_LEN; |
| 1114 | } |
| 1115 | else if (!strncmp (comname, HOOK_POST_STRING, HOOK_POST_LEN)) |
| 1116 | { |
| 1117 | hook_type = CMD_POST_HOOK; |
| 1118 | hook_name_size = HOOK_POST_LEN; |
| 1119 | } |
| 1120 | |
| 1121 | if (hook_type != CMD_NO_HOOK) |
| 1122 | { |
| 1123 | /* Look up cmd it hooks, and verify that we got an exact match. */ |
| 1124 | tem = comname + hook_name_size; |
| 1125 | hookc = lookup_cmd (&tem, cmdlist, "", -1, 0); |
| 1126 | if (hookc && !STREQ (comname + hook_name_size, hookc->name)) |
| 1127 | hookc = 0; |
| 1128 | if (!hookc) |
| 1129 | { |
| 1130 | warning ("Your new `%s' command does not hook any existing command.", |
| 1131 | comname); |
| 1132 | if (!query ("Proceed? ")) |
| 1133 | error ("Not confirmed."); |
| 1134 | } |
| 1135 | } |
| 1136 | |
| 1137 | comname = savestring (comname, strlen (comname)); |
| 1138 | |
| 1139 | /* If the rest of the commands will be case insensitive, this one |
| 1140 | should behave in the same manner. */ |
| 1141 | for (tem = comname; *tem; tem++) |
| 1142 | if (isupper (*tem)) |
| 1143 | *tem = tolower (*tem); |
| 1144 | |
| 1145 | sprintf (tmpbuf, "Type commands for definition of \"%s\".", comname); |
| 1146 | cmds = read_command_lines (tmpbuf, from_tty); |
| 1147 | |
| 1148 | if (c && c->class == class_user) |
| 1149 | free_command_lines (&c->user_commands); |
| 1150 | |
| 1151 | newc = add_cmd (comname, class_user, user_defined_command, |
| 1152 | (c && c->class == class_user) |
| 1153 | ? c->doc : savestring ("User-defined.", 13), &cmdlist); |
| 1154 | newc->user_commands = cmds; |
| 1155 | |
| 1156 | /* If this new command is a hook, then mark both commands as being |
| 1157 | tied. */ |
| 1158 | if (hookc) |
| 1159 | { |
| 1160 | switch (hook_type) |
| 1161 | { |
| 1162 | case CMD_PRE_HOOK: |
| 1163 | hookc->hook_pre = newc; /* Target gets hooked. */ |
| 1164 | newc->hookee_pre = hookc; /* We are marked as hooking target cmd. */ |
| 1165 | break; |
| 1166 | case CMD_POST_HOOK: |
| 1167 | hookc->hook_pre = newc; /* Target gets hooked. */ |
| 1168 | newc->hookee_pre = hookc; /* We are marked as hooking target cmd. */ |
| 1169 | break; |
| 1170 | default: |
| 1171 | /* Should never come here as hookc would be 0. */ |
| 1172 | } |
| 1173 | } |
| 1174 | } |
| 1175 | |
| 1176 | void |
| 1177 | document_command (char *comname, int from_tty) |
| 1178 | { |
| 1179 | struct command_line *doclines; |
| 1180 | register struct cmd_list_element *c; |
| 1181 | char *tem = comname; |
| 1182 | char tmpbuf[128]; |
| 1183 | |
| 1184 | validate_comname (comname); |
| 1185 | |
| 1186 | c = lookup_cmd (&tem, cmdlist, "", 0, 1); |
| 1187 | |
| 1188 | if (c->class != class_user) |
| 1189 | error ("Command \"%s\" is built-in.", comname); |
| 1190 | |
| 1191 | sprintf (tmpbuf, "Type documentation for \"%s\".", comname); |
| 1192 | doclines = read_command_lines (tmpbuf, from_tty); |
| 1193 | |
| 1194 | if (c->doc) |
| 1195 | free (c->doc); |
| 1196 | |
| 1197 | { |
| 1198 | register struct command_line *cl1; |
| 1199 | register int len = 0; |
| 1200 | |
| 1201 | for (cl1 = doclines; cl1; cl1 = cl1->next) |
| 1202 | len += strlen (cl1->line) + 1; |
| 1203 | |
| 1204 | c->doc = (char *) xmalloc (len + 1); |
| 1205 | *c->doc = 0; |
| 1206 | |
| 1207 | for (cl1 = doclines; cl1; cl1 = cl1->next) |
| 1208 | { |
| 1209 | strcat (c->doc, cl1->line); |
| 1210 | if (cl1->next) |
| 1211 | strcat (c->doc, "\n"); |
| 1212 | } |
| 1213 | } |
| 1214 | |
| 1215 | free_command_lines (&doclines); |
| 1216 | } |
| 1217 | \f |
| 1218 | struct source_cleanup_lines_args |
| 1219 | { |
| 1220 | int old_line; |
| 1221 | char *old_file; |
| 1222 | char *old_pre_error; |
| 1223 | char *old_error_pre_print; |
| 1224 | }; |
| 1225 | |
| 1226 | static void |
| 1227 | source_cleanup_lines (PTR args) |
| 1228 | { |
| 1229 | struct source_cleanup_lines_args *p = |
| 1230 | (struct source_cleanup_lines_args *) args; |
| 1231 | source_line_number = p->old_line; |
| 1232 | source_file_name = p->old_file; |
| 1233 | source_pre_error = p->old_pre_error; |
| 1234 | error_pre_print = p->old_error_pre_print; |
| 1235 | } |
| 1236 | |
| 1237 | /* ARGSUSED */ |
| 1238 | static void |
| 1239 | do_fclose_cleanup (void *stream) |
| 1240 | { |
| 1241 | fclose (stream); |
| 1242 | } |
| 1243 | |
| 1244 | /* Used to implement source_command */ |
| 1245 | |
| 1246 | void |
| 1247 | script_from_file (FILE *stream, char *file) |
| 1248 | { |
| 1249 | struct cleanup *old_cleanups; |
| 1250 | struct source_cleanup_lines_args old_lines; |
| 1251 | int needed_length; |
| 1252 | |
| 1253 | if (stream == NULL) |
| 1254 | { |
| 1255 | internal_error ("called with NULL file pointer!"); |
| 1256 | } |
| 1257 | |
| 1258 | old_cleanups = make_cleanup (do_fclose_cleanup, stream); |
| 1259 | |
| 1260 | old_lines.old_line = source_line_number; |
| 1261 | old_lines.old_file = source_file_name; |
| 1262 | old_lines.old_pre_error = source_pre_error; |
| 1263 | old_lines.old_error_pre_print = error_pre_print; |
| 1264 | make_cleanup (source_cleanup_lines, &old_lines); |
| 1265 | source_line_number = 0; |
| 1266 | source_file_name = file; |
| 1267 | source_pre_error = error_pre_print == NULL ? "" : error_pre_print; |
| 1268 | source_pre_error = savestring (source_pre_error, strlen (source_pre_error)); |
| 1269 | make_cleanup (free, source_pre_error); |
| 1270 | /* This will get set every time we read a line. So it won't stay "" for |
| 1271 | long. */ |
| 1272 | error_pre_print = ""; |
| 1273 | |
| 1274 | needed_length = strlen (source_file_name) + strlen (source_pre_error) + 80; |
| 1275 | if (source_error_allocated < needed_length) |
| 1276 | { |
| 1277 | source_error_allocated *= 2; |
| 1278 | if (source_error_allocated < needed_length) |
| 1279 | source_error_allocated = needed_length; |
| 1280 | if (source_error == NULL) |
| 1281 | source_error = xmalloc (source_error_allocated); |
| 1282 | else |
| 1283 | source_error = xrealloc (source_error, source_error_allocated); |
| 1284 | } |
| 1285 | |
| 1286 | read_command_file (stream); |
| 1287 | |
| 1288 | do_cleanups (old_cleanups); |
| 1289 | } |
| 1290 | |
| 1291 | void |
| 1292 | show_user_1 (struct cmd_list_element *c, struct ui_file *stream) |
| 1293 | { |
| 1294 | register struct command_line *cmdlines; |
| 1295 | |
| 1296 | cmdlines = c->user_commands; |
| 1297 | if (!cmdlines) |
| 1298 | return; |
| 1299 | fputs_filtered ("User command ", stream); |
| 1300 | fputs_filtered (c->name, stream); |
| 1301 | fputs_filtered (":\n", stream); |
| 1302 | |
| 1303 | #ifdef UI_OUT |
| 1304 | print_command_lines (uiout, cmdlines, 1); |
| 1305 | fputs_filtered ("\n", stream); |
| 1306 | #else |
| 1307 | while (cmdlines) |
| 1308 | { |
| 1309 | print_command_line (cmdlines, 4, stream); |
| 1310 | cmdlines = cmdlines->next; |
| 1311 | } |
| 1312 | fputs_filtered ("\n", stream); |
| 1313 | #endif |
| 1314 | } |
| 1315 | |