| 1 | /* Output generating routines for GDB. |
| 2 | |
| 3 | Copyright (C) 1999-2020 Free Software Foundation, Inc. |
| 4 | |
| 5 | Contributed by Cygnus Solutions. |
| 6 | Written by Fernando Nasser for Cygnus. |
| 7 | |
| 8 | This file is part of GDB. |
| 9 | |
| 10 | This program is free software; you can redistribute it and/or modify |
| 11 | it under the terms of the GNU General Public License as published by |
| 12 | the Free Software Foundation; either version 3 of the License, or |
| 13 | (at your option) any later version. |
| 14 | |
| 15 | This program is distributed in the hope that it will be useful, |
| 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | GNU General Public License for more details. |
| 19 | |
| 20 | You should have received a copy of the GNU General Public License |
| 21 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 22 | |
| 23 | #include "defs.h" |
| 24 | #include "expression.h" /* For language.h */ |
| 25 | #include "language.h" |
| 26 | #include "ui-out.h" |
| 27 | #include "gdbsupport/format.h" |
| 28 | #include "cli/cli-style.h" |
| 29 | #include "diagnostics.h" |
| 30 | |
| 31 | #include <vector> |
| 32 | #include <memory> |
| 33 | #include <string> |
| 34 | |
| 35 | namespace { |
| 36 | |
| 37 | /* A header of a ui_out_table. */ |
| 38 | |
| 39 | class ui_out_hdr |
| 40 | { |
| 41 | public: |
| 42 | |
| 43 | explicit ui_out_hdr (int number, int min_width, ui_align alignment, |
| 44 | const std::string &name, const std::string &header) |
| 45 | : m_number (number), |
| 46 | m_min_width (min_width), |
| 47 | m_alignment (alignment), |
| 48 | m_name (name), |
| 49 | m_header (header) |
| 50 | { |
| 51 | } |
| 52 | |
| 53 | int number () const |
| 54 | { |
| 55 | return m_number; |
| 56 | } |
| 57 | |
| 58 | int min_width () const |
| 59 | { |
| 60 | return m_min_width; |
| 61 | } |
| 62 | |
| 63 | ui_align alignment () const |
| 64 | { |
| 65 | return m_alignment; |
| 66 | } |
| 67 | |
| 68 | const std::string &header () const |
| 69 | { |
| 70 | return m_header; |
| 71 | } |
| 72 | |
| 73 | const std::string &name () const |
| 74 | { |
| 75 | return m_name; |
| 76 | } |
| 77 | |
| 78 | private: |
| 79 | |
| 80 | /* The number of the table column this header represents, 1-based. */ |
| 81 | int m_number; |
| 82 | |
| 83 | /* Minimal column width in characters. May or may not be applicable, |
| 84 | depending on the actual implementation of ui_out. */ |
| 85 | int m_min_width; |
| 86 | |
| 87 | /* Alignment of the content in the column. May or may not be applicable, |
| 88 | depending on the actual implementation of ui_out. */ |
| 89 | ui_align m_alignment; |
| 90 | |
| 91 | /* Internal column name, used to internally refer to the column. */ |
| 92 | std::string m_name; |
| 93 | |
| 94 | /* Printed header text of the column. */ |
| 95 | std::string m_header; |
| 96 | }; |
| 97 | |
| 98 | } // namespace |
| 99 | |
| 100 | /* A level of nesting (either a list or a tuple) in a ui_out output. */ |
| 101 | |
| 102 | class ui_out_level |
| 103 | { |
| 104 | public: |
| 105 | |
| 106 | explicit ui_out_level (ui_out_type type) |
| 107 | : m_type (type), |
| 108 | m_field_count (0) |
| 109 | { |
| 110 | } |
| 111 | |
| 112 | ui_out_type type () const |
| 113 | { |
| 114 | return m_type; |
| 115 | } |
| 116 | |
| 117 | int field_count () const |
| 118 | { |
| 119 | return m_field_count; |
| 120 | } |
| 121 | |
| 122 | void inc_field_count () |
| 123 | { |
| 124 | m_field_count++; |
| 125 | } |
| 126 | |
| 127 | private: |
| 128 | |
| 129 | /* The type of this level. */ |
| 130 | ui_out_type m_type; |
| 131 | |
| 132 | /* Count each field; the first element is for non-list fields. */ |
| 133 | int m_field_count; |
| 134 | }; |
| 135 | |
| 136 | /* Tables are special. Maintain a separate structure that tracks |
| 137 | their state. At present an output can only contain a single table |
| 138 | but that restriction might eventually be lifted. */ |
| 139 | |
| 140 | class ui_out_table |
| 141 | { |
| 142 | public: |
| 143 | |
| 144 | /* States (steps) of a table generation. */ |
| 145 | |
| 146 | enum class state |
| 147 | { |
| 148 | /* We are generating the table headers. */ |
| 149 | HEADERS, |
| 150 | |
| 151 | /* We are generating the table body. */ |
| 152 | BODY, |
| 153 | }; |
| 154 | |
| 155 | explicit ui_out_table (int entry_level, int nr_cols, const std::string &id) |
| 156 | : m_state (state::HEADERS), |
| 157 | m_entry_level (entry_level), |
| 158 | m_nr_cols (nr_cols), |
| 159 | m_id (id) |
| 160 | { |
| 161 | } |
| 162 | |
| 163 | /* Start building the body of the table. */ |
| 164 | |
| 165 | void start_body (); |
| 166 | |
| 167 | /* Add a new header to the table. */ |
| 168 | |
| 169 | void append_header (int width, ui_align alignment, |
| 170 | const std::string &col_name, const std::string &col_hdr); |
| 171 | |
| 172 | void start_row (); |
| 173 | |
| 174 | /* Extract the format information for the next header and advance |
| 175 | the header iterator. Return false if there was no next header. */ |
| 176 | |
| 177 | bool get_next_header (int *colno, int *width, ui_align *alignment, |
| 178 | const char **col_hdr); |
| 179 | |
| 180 | bool query_field (int colno, int *width, int *alignment, |
| 181 | const char **col_name) const; |
| 182 | |
| 183 | state current_state () const; |
| 184 | |
| 185 | int entry_level () const; |
| 186 | |
| 187 | private: |
| 188 | |
| 189 | state m_state; |
| 190 | |
| 191 | /* The level at which each entry of the table is to be found. A row |
| 192 | (a tuple) is made up of entries. Consequently ENTRY_LEVEL is one |
| 193 | above that of the table. */ |
| 194 | int m_entry_level; |
| 195 | |
| 196 | /* Number of table columns (as specified in the table_begin call). */ |
| 197 | int m_nr_cols; |
| 198 | |
| 199 | /* String identifying the table (as specified in the table_begin |
| 200 | call). */ |
| 201 | std::string m_id; |
| 202 | |
| 203 | /* Pointers to the column headers. */ |
| 204 | std::vector<std::unique_ptr<ui_out_hdr>> m_headers; |
| 205 | |
| 206 | /* Iterator over the headers vector, used when printing successive fields. */ |
| 207 | std::vector<std::unique_ptr<ui_out_hdr>>::const_iterator m_headers_iterator; |
| 208 | }; |
| 209 | |
| 210 | /* See ui-out.h. */ |
| 211 | |
| 212 | void ui_out_table::start_body () |
| 213 | { |
| 214 | if (m_state != state::HEADERS) |
| 215 | internal_error (__FILE__, __LINE__, |
| 216 | _("extra table_body call not allowed; there must be only " |
| 217 | "one table_body after a table_begin and before a " |
| 218 | "table_end.")); |
| 219 | |
| 220 | /* Check if the number of defined headers matches the number of expected |
| 221 | columns. */ |
| 222 | if (m_headers.size () != m_nr_cols) |
| 223 | internal_error (__FILE__, __LINE__, |
| 224 | _("number of headers differ from number of table " |
| 225 | "columns.")); |
| 226 | |
| 227 | m_state = state::BODY; |
| 228 | m_headers_iterator = m_headers.begin (); |
| 229 | } |
| 230 | |
| 231 | /* See ui-out.h. */ |
| 232 | |
| 233 | void ui_out_table::append_header (int width, ui_align alignment, |
| 234 | const std::string &col_name, |
| 235 | const std::string &col_hdr) |
| 236 | { |
| 237 | if (m_state != state::HEADERS) |
| 238 | internal_error (__FILE__, __LINE__, |
| 239 | _("table header must be specified after table_begin and " |
| 240 | "before table_body.")); |
| 241 | |
| 242 | std::unique_ptr<ui_out_hdr> header (new ui_out_hdr (m_headers.size () + 1, |
| 243 | width, alignment, |
| 244 | col_name, col_hdr)); |
| 245 | |
| 246 | m_headers.push_back (std::move (header)); |
| 247 | } |
| 248 | |
| 249 | /* See ui-out.h. */ |
| 250 | |
| 251 | void ui_out_table::start_row () |
| 252 | { |
| 253 | m_headers_iterator = m_headers.begin (); |
| 254 | } |
| 255 | |
| 256 | /* See ui-out.h. */ |
| 257 | |
| 258 | bool ui_out_table::get_next_header (int *colno, int *width, ui_align *alignment, |
| 259 | const char **col_hdr) |
| 260 | { |
| 261 | /* There may be no headers at all or we may have used all columns. */ |
| 262 | if (m_headers_iterator == m_headers.end ()) |
| 263 | return false; |
| 264 | |
| 265 | ui_out_hdr *hdr = m_headers_iterator->get (); |
| 266 | |
| 267 | *colno = hdr->number (); |
| 268 | *width = hdr->min_width (); |
| 269 | *alignment = hdr->alignment (); |
| 270 | *col_hdr = hdr->header ().c_str (); |
| 271 | |
| 272 | /* Advance the header pointer to the next entry. */ |
| 273 | m_headers_iterator++; |
| 274 | |
| 275 | return true; |
| 276 | } |
| 277 | |
| 278 | /* See ui-out.h. */ |
| 279 | |
| 280 | bool ui_out_table::query_field (int colno, int *width, int *alignment, |
| 281 | const char **col_name) const |
| 282 | { |
| 283 | /* Column numbers are 1-based, so convert to 0-based index. */ |
| 284 | int index = colno - 1; |
| 285 | |
| 286 | if (index >= 0 && index < m_headers.size ()) |
| 287 | { |
| 288 | ui_out_hdr *hdr = m_headers[index].get (); |
| 289 | |
| 290 | gdb_assert (colno == hdr->number ()); |
| 291 | |
| 292 | *width = hdr->min_width (); |
| 293 | *alignment = hdr->alignment (); |
| 294 | *col_name = hdr->name ().c_str (); |
| 295 | |
| 296 | return true; |
| 297 | } |
| 298 | else |
| 299 | return false; |
| 300 | } |
| 301 | |
| 302 | /* See ui-out.h. */ |
| 303 | |
| 304 | ui_out_table::state ui_out_table::current_state () const |
| 305 | { |
| 306 | return m_state; |
| 307 | } |
| 308 | |
| 309 | /* See ui-out.h. */ |
| 310 | |
| 311 | int ui_out_table::entry_level () const |
| 312 | { |
| 313 | return m_entry_level; |
| 314 | } |
| 315 | |
| 316 | int |
| 317 | ui_out::level () const |
| 318 | { |
| 319 | return m_levels.size (); |
| 320 | } |
| 321 | |
| 322 | /* The current (inner most) level. */ |
| 323 | |
| 324 | ui_out_level * |
| 325 | ui_out::current_level () const |
| 326 | { |
| 327 | return m_levels.back ().get (); |
| 328 | } |
| 329 | |
| 330 | /* Create a new level, of TYPE. */ |
| 331 | void |
| 332 | ui_out::push_level (ui_out_type type) |
| 333 | { |
| 334 | std::unique_ptr<ui_out_level> level (new ui_out_level (type)); |
| 335 | |
| 336 | m_levels.push_back (std::move (level)); |
| 337 | } |
| 338 | |
| 339 | /* Discard the current level. TYPE is the type of the level being |
| 340 | discarded. */ |
| 341 | void |
| 342 | ui_out::pop_level (ui_out_type type) |
| 343 | { |
| 344 | /* We had better not underflow the buffer. */ |
| 345 | gdb_assert (m_levels.size () > 0); |
| 346 | gdb_assert (current_level ()->type () == type); |
| 347 | |
| 348 | m_levels.pop_back (); |
| 349 | } |
| 350 | |
| 351 | /* Mark beginning of a table. */ |
| 352 | |
| 353 | void |
| 354 | ui_out::table_begin (int nr_cols, int nr_rows, const std::string &tblid) |
| 355 | { |
| 356 | if (m_table_up != nullptr) |
| 357 | internal_error (__FILE__, __LINE__, |
| 358 | _("tables cannot be nested; table_begin found before \ |
| 359 | previous table_end.")); |
| 360 | |
| 361 | m_table_up.reset (new ui_out_table (level () + 1, nr_cols, tblid)); |
| 362 | |
| 363 | do_table_begin (nr_cols, nr_rows, tblid.c_str ()); |
| 364 | } |
| 365 | |
| 366 | void |
| 367 | ui_out::table_header (int width, ui_align alignment, |
| 368 | const std::string &col_name, const std::string &col_hdr) |
| 369 | { |
| 370 | if (m_table_up == nullptr) |
| 371 | internal_error (__FILE__, __LINE__, |
| 372 | _("table_header outside a table is not valid; it must be \ |
| 373 | after a table_begin and before a table_body.")); |
| 374 | |
| 375 | m_table_up->append_header (width, alignment, col_name, col_hdr); |
| 376 | |
| 377 | do_table_header (width, alignment, col_name, col_hdr); |
| 378 | } |
| 379 | |
| 380 | void |
| 381 | ui_out::table_body () |
| 382 | { |
| 383 | if (m_table_up == nullptr) |
| 384 | internal_error (__FILE__, __LINE__, |
| 385 | _("table_body outside a table is not valid; it must be " |
| 386 | "after a table_begin and before a table_end.")); |
| 387 | |
| 388 | m_table_up->start_body (); |
| 389 | |
| 390 | do_table_body (); |
| 391 | } |
| 392 | |
| 393 | void |
| 394 | ui_out::table_end () |
| 395 | { |
| 396 | if (m_table_up == nullptr) |
| 397 | internal_error (__FILE__, __LINE__, |
| 398 | _("misplaced table_end or missing table_begin.")); |
| 399 | |
| 400 | do_table_end (); |
| 401 | |
| 402 | m_table_up = nullptr; |
| 403 | } |
| 404 | |
| 405 | void |
| 406 | ui_out::begin (ui_out_type type, const char *id) |
| 407 | { |
| 408 | /* Be careful to verify the ``field'' before the new tuple/list is |
| 409 | pushed onto the stack. That way the containing list/table/row is |
| 410 | verified and not the newly created tuple/list. This verification |
| 411 | is needed (at least) for the case where a table row entry |
| 412 | contains either a tuple/list. For that case bookkeeping such as |
| 413 | updating the column count or advancing to the next heading still |
| 414 | needs to be performed. */ |
| 415 | { |
| 416 | int fldno; |
| 417 | int width; |
| 418 | ui_align align; |
| 419 | |
| 420 | verify_field (&fldno, &width, &align); |
| 421 | } |
| 422 | |
| 423 | push_level (type); |
| 424 | |
| 425 | /* If the push puts us at the same level as a table row entry, we've |
| 426 | got a new table row. Put the header pointer back to the start. */ |
| 427 | if (m_table_up != nullptr |
| 428 | && m_table_up->current_state () == ui_out_table::state::BODY |
| 429 | && m_table_up->entry_level () == level ()) |
| 430 | m_table_up->start_row (); |
| 431 | |
| 432 | do_begin (type, id); |
| 433 | } |
| 434 | |
| 435 | void |
| 436 | ui_out::end (ui_out_type type) |
| 437 | { |
| 438 | pop_level (type); |
| 439 | |
| 440 | do_end (type); |
| 441 | } |
| 442 | |
| 443 | void |
| 444 | ui_out::field_signed (const char *fldname, LONGEST value) |
| 445 | { |
| 446 | int fldno; |
| 447 | int width; |
| 448 | ui_align align; |
| 449 | |
| 450 | verify_field (&fldno, &width, &align); |
| 451 | |
| 452 | do_field_signed (fldno, width, align, fldname, value); |
| 453 | } |
| 454 | |
| 455 | void |
| 456 | ui_out::field_fmt_signed (int input_width, ui_align input_align, |
| 457 | const char *fldname, LONGEST value) |
| 458 | { |
| 459 | int fldno; |
| 460 | int width; |
| 461 | ui_align align; |
| 462 | |
| 463 | verify_field (&fldno, &width, &align); |
| 464 | |
| 465 | do_field_signed (fldno, input_width, input_align, fldname, value); |
| 466 | } |
| 467 | |
| 468 | /* See ui-out.h. */ |
| 469 | |
| 470 | void |
| 471 | ui_out::field_unsigned (const char *fldname, ULONGEST value) |
| 472 | { |
| 473 | int fldno; |
| 474 | int width; |
| 475 | ui_align align; |
| 476 | |
| 477 | verify_field (&fldno, &width, &align); |
| 478 | |
| 479 | do_field_unsigned (fldno, width, align, fldname, value); |
| 480 | } |
| 481 | |
| 482 | /* Documented in ui-out.h. */ |
| 483 | |
| 484 | void |
| 485 | ui_out::field_core_addr (const char *fldname, struct gdbarch *gdbarch, |
| 486 | CORE_ADDR address) |
| 487 | { |
| 488 | field_string (fldname, print_core_address (gdbarch, address), |
| 489 | address_style.style ()); |
| 490 | } |
| 491 | |
| 492 | void |
| 493 | ui_out::field_stream (const char *fldname, string_file &stream, |
| 494 | const ui_file_style &style) |
| 495 | { |
| 496 | if (!stream.empty ()) |
| 497 | field_string (fldname, stream.c_str (), style); |
| 498 | else |
| 499 | field_skip (fldname); |
| 500 | stream.clear (); |
| 501 | } |
| 502 | |
| 503 | /* Used to omit a field. */ |
| 504 | |
| 505 | void |
| 506 | ui_out::field_skip (const char *fldname) |
| 507 | { |
| 508 | int fldno; |
| 509 | int width; |
| 510 | ui_align align; |
| 511 | |
| 512 | verify_field (&fldno, &width, &align); |
| 513 | |
| 514 | do_field_skip (fldno, width, align, fldname); |
| 515 | } |
| 516 | |
| 517 | void |
| 518 | ui_out::field_string (const char *fldname, const char *string, |
| 519 | const ui_file_style &style) |
| 520 | { |
| 521 | int fldno; |
| 522 | int width; |
| 523 | ui_align align; |
| 524 | |
| 525 | verify_field (&fldno, &width, &align); |
| 526 | |
| 527 | do_field_string (fldno, width, align, fldname, string, style); |
| 528 | } |
| 529 | |
| 530 | void |
| 531 | ui_out::field_string (const char *fldname, const std::string &string) |
| 532 | { |
| 533 | field_string (fldname, string.c_str ()); |
| 534 | } |
| 535 | |
| 536 | /* VARARGS */ |
| 537 | void |
| 538 | ui_out::field_fmt (const char *fldname, const char *format, ...) |
| 539 | { |
| 540 | va_list args; |
| 541 | int fldno; |
| 542 | int width; |
| 543 | ui_align align; |
| 544 | |
| 545 | verify_field (&fldno, &width, &align); |
| 546 | |
| 547 | va_start (args, format); |
| 548 | |
| 549 | do_field_fmt (fldno, width, align, fldname, ui_file_style (), format, args); |
| 550 | |
| 551 | va_end (args); |
| 552 | } |
| 553 | |
| 554 | void |
| 555 | ui_out::field_fmt (const char *fldname, const ui_file_style &style, |
| 556 | const char *format, ...) |
| 557 | { |
| 558 | va_list args; |
| 559 | int fldno; |
| 560 | int width; |
| 561 | ui_align align; |
| 562 | |
| 563 | verify_field (&fldno, &width, &align); |
| 564 | |
| 565 | va_start (args, format); |
| 566 | |
| 567 | do_field_fmt (fldno, width, align, fldname, style, format, args); |
| 568 | |
| 569 | va_end (args); |
| 570 | } |
| 571 | |
| 572 | void |
| 573 | ui_out::spaces (int numspaces) |
| 574 | { |
| 575 | do_spaces (numspaces); |
| 576 | } |
| 577 | |
| 578 | void |
| 579 | ui_out::text (const char *string) |
| 580 | { |
| 581 | do_text (string); |
| 582 | } |
| 583 | |
| 584 | void |
| 585 | ui_out::call_do_message (const ui_file_style &style, const char *format, |
| 586 | ...) |
| 587 | { |
| 588 | va_list args; |
| 589 | |
| 590 | va_start (args, format); |
| 591 | |
| 592 | /* Since call_do_message is only used as a helper of vmessage, silence the |
| 593 | warning here once instead of at all call sites in vmessage, if we were |
| 594 | to put a "format" attribute on call_do_message. */ |
| 595 | DIAGNOSTIC_PUSH |
| 596 | DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL |
| 597 | do_message (style, format, args); |
| 598 | DIAGNOSTIC_POP |
| 599 | |
| 600 | va_end (args); |
| 601 | } |
| 602 | |
| 603 | void |
| 604 | ui_out::vmessage (const ui_file_style &in_style, const char *format, |
| 605 | va_list args) |
| 606 | { |
| 607 | format_pieces fpieces (&format, true); |
| 608 | |
| 609 | ui_file_style style = in_style; |
| 610 | |
| 611 | for (auto &&piece : fpieces) |
| 612 | { |
| 613 | const char *current_substring = piece.string; |
| 614 | |
| 615 | gdb_assert (piece.n_int_args >= 0 && piece.n_int_args <= 2); |
| 616 | int intvals[2] = { 0, 0 }; |
| 617 | for (int i = 0; i < piece.n_int_args; ++i) |
| 618 | intvals[i] = va_arg (args, int); |
| 619 | |
| 620 | /* The only ones we support for now. */ |
| 621 | gdb_assert (piece.n_int_args == 0 |
| 622 | || piece.argclass == string_arg |
| 623 | || piece.argclass == int_arg |
| 624 | || piece.argclass == long_arg); |
| 625 | |
| 626 | switch (piece.argclass) |
| 627 | { |
| 628 | case string_arg: |
| 629 | { |
| 630 | const char *str = va_arg (args, const char *); |
| 631 | switch (piece.n_int_args) |
| 632 | { |
| 633 | case 0: |
| 634 | call_do_message (style, current_substring, str); |
| 635 | break; |
| 636 | case 1: |
| 637 | call_do_message (style, current_substring, intvals[0], str); |
| 638 | break; |
| 639 | case 2: |
| 640 | call_do_message (style, current_substring, |
| 641 | intvals[0], intvals[1], str); |
| 642 | break; |
| 643 | } |
| 644 | } |
| 645 | break; |
| 646 | case wide_string_arg: |
| 647 | gdb_assert_not_reached (_("wide_string_arg not supported in vmessage")); |
| 648 | break; |
| 649 | case wide_char_arg: |
| 650 | gdb_assert_not_reached (_("wide_char_arg not supported in vmessage")); |
| 651 | break; |
| 652 | case long_long_arg: |
| 653 | call_do_message (style, current_substring, va_arg (args, long long)); |
| 654 | break; |
| 655 | case int_arg: |
| 656 | { |
| 657 | int val = va_arg (args, int); |
| 658 | switch (piece.n_int_args) |
| 659 | { |
| 660 | case 0: |
| 661 | call_do_message (style, current_substring, val); |
| 662 | break; |
| 663 | case 1: |
| 664 | call_do_message (style, current_substring, intvals[0], val); |
| 665 | break; |
| 666 | case 2: |
| 667 | call_do_message (style, current_substring, |
| 668 | intvals[0], intvals[1], val); |
| 669 | break; |
| 670 | } |
| 671 | } |
| 672 | break; |
| 673 | case long_arg: |
| 674 | { |
| 675 | long val = va_arg (args, long); |
| 676 | switch (piece.n_int_args) |
| 677 | { |
| 678 | case 0: |
| 679 | call_do_message (style, current_substring, val); |
| 680 | break; |
| 681 | case 1: |
| 682 | call_do_message (style, current_substring, intvals[0], val); |
| 683 | break; |
| 684 | case 2: |
| 685 | call_do_message (style, current_substring, |
| 686 | intvals[0], intvals[1], val); |
| 687 | break; |
| 688 | } |
| 689 | } |
| 690 | break; |
| 691 | case size_t_arg: |
| 692 | { |
| 693 | size_t val = va_arg (args, size_t); |
| 694 | switch (piece.n_int_args) |
| 695 | { |
| 696 | case 0: |
| 697 | call_do_message (style, current_substring, val); |
| 698 | break; |
| 699 | case 1: |
| 700 | call_do_message (style, current_substring, intvals[0], val); |
| 701 | break; |
| 702 | case 2: |
| 703 | call_do_message (style, current_substring, |
| 704 | intvals[0], intvals[1], val); |
| 705 | break; |
| 706 | } |
| 707 | } |
| 708 | break; |
| 709 | case double_arg: |
| 710 | call_do_message (style, current_substring, va_arg (args, double)); |
| 711 | break; |
| 712 | case long_double_arg: |
| 713 | gdb_assert_not_reached (_("long_double_arg not supported in vmessage")); |
| 714 | break; |
| 715 | case dec32float_arg: |
| 716 | gdb_assert_not_reached (_("dec32float_arg not supported in vmessage")); |
| 717 | break; |
| 718 | case dec64float_arg: |
| 719 | gdb_assert_not_reached (_("dec64float_arg not supported in vmessage")); |
| 720 | break; |
| 721 | case dec128float_arg: |
| 722 | gdb_assert_not_reached (_("dec128float_arg not supported in vmessage")); |
| 723 | break; |
| 724 | case ptr_arg: |
| 725 | switch (current_substring[2]) |
| 726 | { |
| 727 | case 'F': |
| 728 | { |
| 729 | gdb_assert (!test_flags (disallow_ui_out_field)); |
| 730 | base_field_s *bf = va_arg (args, base_field_s *); |
| 731 | switch (bf->kind) |
| 732 | { |
| 733 | case field_kind::FIELD_SIGNED: |
| 734 | { |
| 735 | auto *f = (signed_field_s *) bf; |
| 736 | field_signed (f->name, f->val); |
| 737 | } |
| 738 | break; |
| 739 | case field_kind::FIELD_STRING: |
| 740 | { |
| 741 | auto *f = (string_field_s *) bf; |
| 742 | field_string (f->name, f->str); |
| 743 | } |
| 744 | break; |
| 745 | } |
| 746 | } |
| 747 | break; |
| 748 | case 's': |
| 749 | { |
| 750 | styled_string_s *ss = va_arg (args, styled_string_s *); |
| 751 | call_do_message (ss->style, "%s", ss->str); |
| 752 | } |
| 753 | break; |
| 754 | case '[': |
| 755 | style = *va_arg (args, const ui_file_style *); |
| 756 | break; |
| 757 | case ']': |
| 758 | { |
| 759 | void *arg = va_arg (args, void *); |
| 760 | gdb_assert (arg == nullptr); |
| 761 | |
| 762 | style = {}; |
| 763 | } |
| 764 | break; |
| 765 | default: |
| 766 | call_do_message (style, current_substring, va_arg (args, void *)); |
| 767 | break; |
| 768 | } |
| 769 | break; |
| 770 | case literal_piece: |
| 771 | /* Print a portion of the format string that has no |
| 772 | directives. Note that this will not include any ordinary |
| 773 | %-specs, but it might include "%%". That is why we use |
| 774 | call_do_message here. Also, we pass a dummy argument |
| 775 | because some platforms have modified GCC to include |
| 776 | -Wformat-security by default, which will warn here if |
| 777 | there is no argument. */ |
| 778 | call_do_message (style, current_substring, 0); |
| 779 | break; |
| 780 | default: |
| 781 | internal_error (__FILE__, __LINE__, |
| 782 | _("failed internal consistency check")); |
| 783 | } |
| 784 | } |
| 785 | } |
| 786 | |
| 787 | void |
| 788 | ui_out::message (const char *format, ...) |
| 789 | { |
| 790 | va_list args; |
| 791 | va_start (args, format); |
| 792 | |
| 793 | vmessage (ui_file_style (), format, args); |
| 794 | |
| 795 | va_end (args); |
| 796 | } |
| 797 | |
| 798 | void |
| 799 | ui_out::wrap_hint (const char *identstring) |
| 800 | { |
| 801 | do_wrap_hint (identstring); |
| 802 | } |
| 803 | |
| 804 | void |
| 805 | ui_out::flush () |
| 806 | { |
| 807 | do_flush (); |
| 808 | } |
| 809 | |
| 810 | void |
| 811 | ui_out::redirect (ui_file *outstream) |
| 812 | { |
| 813 | do_redirect (outstream); |
| 814 | } |
| 815 | |
| 816 | /* Test the flags against the mask given. */ |
| 817 | ui_out_flags |
| 818 | ui_out::test_flags (ui_out_flags mask) |
| 819 | { |
| 820 | return m_flags & mask; |
| 821 | } |
| 822 | |
| 823 | bool |
| 824 | ui_out::is_mi_like_p () const |
| 825 | { |
| 826 | return do_is_mi_like_p (); |
| 827 | } |
| 828 | |
| 829 | /* Verify that the field/tuple/list is correctly positioned. Return |
| 830 | the field number and corresponding alignment (if |
| 831 | available/applicable). */ |
| 832 | |
| 833 | void |
| 834 | ui_out::verify_field (int *fldno, int *width, ui_align *align) |
| 835 | { |
| 836 | ui_out_level *current = current_level (); |
| 837 | const char *text; |
| 838 | |
| 839 | if (m_table_up != nullptr |
| 840 | && m_table_up->current_state () != ui_out_table::state::BODY) |
| 841 | { |
| 842 | internal_error (__FILE__, __LINE__, |
| 843 | _("table_body missing; table fields must be \ |
| 844 | specified after table_body and inside a list.")); |
| 845 | } |
| 846 | |
| 847 | current->inc_field_count (); |
| 848 | |
| 849 | if (m_table_up != nullptr |
| 850 | && m_table_up->current_state () == ui_out_table::state::BODY |
| 851 | && m_table_up->entry_level () == level () |
| 852 | && m_table_up->get_next_header (fldno, width, align, &text)) |
| 853 | { |
| 854 | if (*fldno != current->field_count ()) |
| 855 | internal_error (__FILE__, __LINE__, |
| 856 | _("ui-out internal error in handling headers.")); |
| 857 | } |
| 858 | else |
| 859 | { |
| 860 | *width = 0; |
| 861 | *align = ui_noalign; |
| 862 | *fldno = current->field_count (); |
| 863 | } |
| 864 | } |
| 865 | |
| 866 | /* Access table field parameters. */ |
| 867 | |
| 868 | bool |
| 869 | ui_out::query_table_field (int colno, int *width, int *alignment, |
| 870 | const char **col_name) |
| 871 | { |
| 872 | if (m_table_up == nullptr) |
| 873 | return false; |
| 874 | |
| 875 | return m_table_up->query_field (colno, width, alignment, col_name); |
| 876 | } |
| 877 | |
| 878 | /* The constructor. */ |
| 879 | |
| 880 | ui_out::ui_out (ui_out_flags flags) |
| 881 | : m_flags (flags) |
| 882 | { |
| 883 | /* Create the ui-out level #1, the default level. */ |
| 884 | push_level (ui_out_type_tuple); |
| 885 | } |
| 886 | |
| 887 | ui_out::~ui_out () |
| 888 | { |
| 889 | } |