gdb/m2-valprint.c

   1 /* Support for printing Modula 2 values for GDB, the GNU debugger.
   2
   3    Copyright (C) 1986-2020 Free Software Foundation, Inc.
   4
   5    This file is part of GDB.
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20 #include "defs.h"
  21 #include "symtab.h"
  22 #include "gdbtypes.h"
  23 #include "expression.h"
  24 #include "value.h"
  25 #include "valprint.h"
  26 #include "language.h"
  27 #include "typeprint.h"
  28 #include "c-lang.h"
  29 #include "m2-lang.h"
  30 #include "target.h"
  31 #include "cli/cli-style.h"
  32
  33 static int print_unpacked_pointer (struct type *type,
  34                                    CORE_ADDR address, CORE_ADDR addr,
  35                                    const struct value_print_options *options,
  36                                    struct ui_file *stream);
  37 static void
  38 m2_print_array_contents (struct value *val,
  39                          struct ui_file *stream, int recurse,
  40                          const struct value_print_options *options,
  41                          int len);
  42
  43
  44 /* get_long_set_bounds - assigns the bounds of the long set to low and
  45                          high.  */
  46
  47 int
  48 get_long_set_bounds (struct type *type, LONGEST *low, LONGEST *high)
  49 {
  50   int len, i;
  51
  52   if (TYPE_CODE (type) == TYPE_CODE_STRUCT)
  53     {
  54       len = TYPE_NFIELDS (type);
  55       i = TYPE_N_BASECLASSES (type);
  56       if (len == 0)
  57         return 0;
  58       *low = TYPE_LOW_BOUND (TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type, i)));
  59       *high = TYPE_HIGH_BOUND (TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type,
  60                                                                  len-1)));
  61       return 1;
  62     }
  63   error (_("expecting long_set"));
  64   return 0;
  65 }
  66
  67 static void
  68 m2_print_long_set (struct type *type, const gdb_byte *valaddr,
  69                    int embedded_offset, CORE_ADDR address,
  70                    struct ui_file *stream)
  71 {
  72   int empty_set        = 1;
  73   int element_seen     = 0;
  74   LONGEST previous_low = 0;
  75   LONGEST previous_high= 0;
  76   LONGEST i, low_bound, high_bound;
  77   LONGEST field_low, field_high;
  78   struct type *range;
  79   int len, field;
  80   struct type *target;
  81   int bitval;
  82
  83   type = check_typedef (type);
  84
  85   fprintf_filtered (stream, "{");
  86   len = TYPE_NFIELDS (type);
  87   if (get_long_set_bounds (type, &low_bound, &high_bound))
  88     {
  89       field = TYPE_N_BASECLASSES (type);
  90       range = TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type, field));
  91     }
  92   else
  93     {
  94       fprintf_styled (stream, metadata_style.style (),
  95                       " %s }", _("<unknown bounds of set>"));
  96       return;
  97     }
  98
  99   target = TYPE_TARGET_TYPE (range);
 100
 101   if (get_discrete_bounds (range, &field_low, &field_high) >= 0)
 102     {
 103       for (i = low_bound; i <= high_bound; i++)
 104         {
 105           bitval = value_bit_index (TYPE_FIELD_TYPE (type, field),
 106                                     (TYPE_FIELD_BITPOS (type, field) / 8) +
 107                                     valaddr + embedded_offset, i);
 108           if (bitval < 0)
 109             error (_("bit test is out of range"));
 110           else if (bitval > 0)
 111             {
 112               previous_high = i;
 113               if (! element_seen)
 114                 {
 115                   if (! empty_set)
 116                     fprintf_filtered (stream, ", ");
 117                   print_type_scalar (target, i, stream);
 118                   empty_set    = 0;
 119                   element_seen = 1;
 120                   previous_low = i;
 121                 }
 122             }
 123           else
 124             {
 125               /* bit is not set */
 126               if (element_seen)
 127                 {
 128                   if (previous_low+1 < previous_high)
 129                     fprintf_filtered (stream, "..");
 130                   if (previous_low+1 < previous_high)
 131                     print_type_scalar (target, previous_high, stream);
 132                   element_seen = 0;
 133                 }
 134             }
 135           if (i == field_high)
 136             {
 137               field++;
 138               if (field == len)
 139                 break;
 140               range = TYPE_INDEX_TYPE (TYPE_FIELD_TYPE (type, field));
 141               if (get_discrete_bounds (range, &field_low, &field_high) < 0)
 142                 break;
 143               target = TYPE_TARGET_TYPE (range);
 144             }
 145         }
 146       if (element_seen)
 147         {
 148           if (previous_low+1 < previous_high)
 149             {
 150               fprintf_filtered (stream, "..");
 151               print_type_scalar (target, previous_high, stream);
 152             }
 153           element_seen = 0;
 154         }
 155       fprintf_filtered (stream, "}");
 156     }
 157 }
 158
 159 static void
 160 m2_print_unbounded_array (struct value *value,
 161                           struct ui_file *stream, int recurse,
 162                           const struct value_print_options *options)
 163 {
 164   CORE_ADDR addr;
 165   LONGEST len;
 166   struct value *val;
 167
 168   struct type *type = check_typedef (value_type (value));
 169   const gdb_byte *valaddr = value_contents_for_printing (value);
 170
 171   addr = unpack_pointer (TYPE_FIELD_TYPE (type, 0),
 172                          (TYPE_FIELD_BITPOS (type, 0) / 8) +
 173                          valaddr);
 174
 175   val = value_at_lazy (TYPE_TARGET_TYPE (TYPE_FIELD_TYPE (type, 0)),
 176                        addr);
 177   len = unpack_field_as_long (type, valaddr, 1);
 178
 179   fprintf_filtered (stream, "{");
 180   m2_print_array_contents (val, stream, recurse, options, len);
 181   fprintf_filtered (stream, ", HIGH = %d}", (int) len);
 182 }
 183
 184 static void
 185 m2_print_unbounded_array (struct type *type, const gdb_byte *valaddr,
 186                           int embedded_offset, CORE_ADDR address,
 187                           struct ui_file *stream, int recurse,
 188                           const struct value_print_options *options)
 189 {
 190   CORE_ADDR addr;
 191   LONGEST len;
 192   struct value *val;
 193
 194   type = check_typedef (type);
 195
 196   addr = unpack_pointer (TYPE_FIELD_TYPE (type, 0),
 197                          (TYPE_FIELD_BITPOS (type, 0) / 8) +
 198                          valaddr + embedded_offset);
 199
 200   val = value_at_lazy (TYPE_TARGET_TYPE (TYPE_FIELD_TYPE (type, 0)),
 201                        addr);
 202   len = unpack_field_as_long (type, valaddr + embedded_offset, 1);
 203
 204   fprintf_filtered (stream, "{");
 205   m2_print_array_contents (val, stream, recurse, options, len);
 206   fprintf_filtered (stream, ", HIGH = %d}", (int) len);
 207 }
 208
 209 static int
 210 print_unpacked_pointer (struct type *type,
 211                         CORE_ADDR address, CORE_ADDR addr,
 212                         const struct value_print_options *options,
 213                         struct ui_file *stream)
 214 {
 215   struct gdbarch *gdbarch = get_type_arch (type);
 216   struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type));
 217   int want_space = 0;
 218
 219   if (TYPE_CODE (elttype) == TYPE_CODE_FUNC)
 220     {
 221       /* Try to print what function it points to.  */
 222       print_function_pointer_address (options, gdbarch, addr, stream);
 223       /* Return value is irrelevant except for string pointers.  */
 224       return 0;
 225     }
 226
 227   if (options->addressprint && options->format != 's')
 228     {
 229       fputs_filtered (paddress (gdbarch, address), stream);
 230       want_space = 1;
 231     }
 232
 233   /* For a pointer to char or unsigned char, also print the string
 234      pointed to, unless pointer is null.  */
 235
 236   if (TYPE_LENGTH (elttype) == 1
 237       && TYPE_CODE (elttype) == TYPE_CODE_INT
 238       && (options->format == 0 || options->format == 's')
 239       && addr != 0)
 240     {
 241       if (want_space)
 242         fputs_filtered (" ", stream);
 243       return val_print_string (TYPE_TARGET_TYPE (type), NULL, addr, -1,
 244                                stream, options);
 245     }
 246
 247   return 0;
 248 }
 249
 250 static void
 251 print_variable_at_address (struct type *type,
 252                            const gdb_byte *valaddr,
 253                            struct ui_file *stream,
 254                            int recurse,
 255                            const struct value_print_options *options)
 256 {
 257   struct gdbarch *gdbarch = get_type_arch (type);
 258   CORE_ADDR addr = unpack_pointer (type, valaddr);
 259   struct type *elttype = check_typedef (TYPE_TARGET_TYPE (type));
 260
 261   fprintf_filtered (stream, "[");
 262   fputs_filtered (paddress (gdbarch, addr), stream);
 263   fprintf_filtered (stream, "] : ");
 264
 265   if (TYPE_CODE (elttype) != TYPE_CODE_UNDEF)
 266     {
 267       struct value *deref_val =
 268         value_at (TYPE_TARGET_TYPE (type), unpack_pointer (type, valaddr));
 269
 270       common_val_print (deref_val, stream, recurse, options, current_language);
 271     }
 272   else
 273     fputs_filtered ("???", stream);
 274 }
 275
 276
 277 /* m2_print_array_contents - prints out the contents of an
 278                              array up to a max_print values.
 279                              It prints arrays of char as a string
 280                              and all other data types as comma
 281                              separated values.  */
 282
 283 static void
 284 m2_print_array_contents (struct value *val,
 285                          struct ui_file *stream, int recurse,
 286                          const struct value_print_options *options,
 287                          int len)
 288 {
 289   struct type *type = check_typedef (value_type (val));
 290
 291   if (TYPE_LENGTH (type) > 0)
 292     {
 293       if (options->prettyformat_arrays)
 294         print_spaces_filtered (2 + 2 * recurse, stream);
 295       /* For an array of chars, print with string syntax.  */
 296       if (TYPE_LENGTH (type) == 1 &&
 297           ((TYPE_CODE (type) == TYPE_CODE_INT)
 298            || ((current_language->la_language == language_m2)
 299                && (TYPE_CODE (type) == TYPE_CODE_CHAR)))
 300           && (options->format == 0 || options->format == 's'))
 301         val_print_string (type, NULL, value_address (val), len+1, stream,
 302                           options);
 303       else
 304         {
 305           fprintf_filtered (stream, "{");
 306           value_print_array_elements (val, stream, recurse, options, 0);
 307           fprintf_filtered (stream, "}");
 308         }
 309     }
 310 }
 311
 312 /* Decorations for Modula 2.  */
 313
 314 static const struct generic_val_print_decorations m2_decorations =
 315 {
 316   "",
 317   " + ",
 318   " * I",
 319   "TRUE",
 320   "FALSE",
 321   "void",
 322   "{",
 323   "}"
 324 };
 325
 326 /* See val_print for a description of the various parameters of this
 327    function; they are identical.  */
 328
 329 void
 330 m2_val_print (struct type *type, int embedded_offset,
 331               CORE_ADDR address, struct ui_file *stream, int recurse,
 332               struct value *original_value,
 333               const struct value_print_options *options)
 334 {
 335   unsigned len;
 336   struct type *elttype;
 337   CORE_ADDR addr;
 338   const gdb_byte *valaddr = value_contents_for_printing (original_value);
 339
 340   type = check_typedef (type);
 341   switch (TYPE_CODE (type))
 342     {
 343     case TYPE_CODE_ARRAY:
 344       if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
 345         {
 346           elttype = check_typedef (TYPE_TARGET_TYPE (type));
 347           len = TYPE_LENGTH (type) / TYPE_LENGTH (elttype);
 348           if (options->prettyformat_arrays)
 349             print_spaces_filtered (2 + 2 * recurse, stream);
 350           /* For an array of chars, print with string syntax.  */
 351           if (TYPE_LENGTH (elttype) == 1 &&
 352               ((TYPE_CODE (elttype) == TYPE_CODE_INT)
 353                || ((current_language->la_language == language_m2)
 354                    && (TYPE_CODE (elttype) == TYPE_CODE_CHAR)))
 355               && (options->format == 0 || options->format == 's'))
 356             {
 357               /* If requested, look for the first null char and only print
 358                  elements up to it.  */
 359               if (options->stop_print_at_null)
 360                 {
 361                   unsigned int temp_len;
 362
 363                   /* Look for a NULL char.  */
 364                   for (temp_len = 0;
 365                        (valaddr + embedded_offset)[temp_len]
 366                          && temp_len < len && temp_len < options->print_max;
 367                        temp_len++);
 368                   len = temp_len;
 369                 }
 370
 371               LA_PRINT_STRING (stream, TYPE_TARGET_TYPE (type),
 372                                valaddr + embedded_offset, len, NULL,
 373                                0, options);
 374             }
 375           else
 376             {
 377               fprintf_filtered (stream, "{");
 378               val_print_array_elements (type, embedded_offset,
 379                                         address, stream,
 380                                         recurse, original_value,
 381                                         options, 0);
 382               fprintf_filtered (stream, "}");
 383             }
 384           break;
 385         }
 386       /* Array of unspecified length: treat like pointer to first elt.  */
 387       print_unpacked_pointer (type, address, address, options, stream);
 388       break;
 389
 390     case TYPE_CODE_PTR:
 391       if (TYPE_CONST (type))
 392         print_variable_at_address (type, valaddr + embedded_offset,
 393                                    stream, recurse, options);
 394       else if (options->format && options->format != 's')
 395         val_print_scalar_formatted (type, embedded_offset,
 396                                     original_value, options, 0, stream);
 397       else
 398         {
 399           addr = unpack_pointer (type, valaddr + embedded_offset);
 400           print_unpacked_pointer (type, addr, address, options, stream);
 401         }
 402       break;
 403
 404     case TYPE_CODE_UNION:
 405       if (recurse && !options->unionprint)
 406         {
 407           fprintf_filtered (stream, "{...}");
 408           break;
 409         }
 410       /* Fall through.  */
 411     case TYPE_CODE_STRUCT:
 412       if (m2_is_long_set (type))
 413         m2_print_long_set (type, valaddr, embedded_offset, address,
 414                            stream);
 415       else if (m2_is_unbounded_array (type))
 416         m2_print_unbounded_array (type, valaddr, embedded_offset,
 417                                   address, stream, recurse, options);
 418       else
 419         cp_print_value_fields (type, type, embedded_offset,
 420                                address, stream, recurse, original_value,
 421                                options, NULL, 0);
 422       break;
 423
 424     case TYPE_CODE_SET:
 425       elttype = TYPE_INDEX_TYPE (type);
 426       elttype = check_typedef (elttype);
 427       if (TYPE_STUB (elttype))
 428         {
 429           fprintf_styled (stream, metadata_style.style (),
 430                           _("<incomplete type>"));
 431           break;
 432         }
 433       else
 434         {
 435           struct type *range = elttype;
 436           LONGEST low_bound, high_bound;
 437           int i;
 438           int need_comma = 0;
 439
 440           fputs_filtered ("{", stream);
 441
 442           i = get_discrete_bounds (range, &low_bound, &high_bound);
 443         maybe_bad_bstring:
 444           if (i < 0)
 445             {
 446               fputs_styled (_("<error value>"), metadata_style.style (),
 447                             stream);
 448               goto done;
 449             }
 450
 451           for (i = low_bound; i <= high_bound; i++)
 452             {
 453               int element = value_bit_index (type, valaddr + embedded_offset,
 454                                              i);
 455
 456               if (element < 0)
 457                 {
 458                   i = element;
 459                   goto maybe_bad_bstring;
 460                 }
 461               if (element)
 462                 {
 463                   if (need_comma)
 464                     fputs_filtered (", ", stream);
 465                   print_type_scalar (range, i, stream);
 466                   need_comma = 1;
 467
 468                   if (i + 1 <= high_bound
 469                       && value_bit_index (type, valaddr + embedded_offset,
 470                                           ++i))
 471                     {
 472                       int j = i;
 473
 474                       fputs_filtered ("..", stream);
 475                       while (i + 1 <= high_bound
 476                              && value_bit_index (type,
 477                                                  valaddr + embedded_offset,
 478                                                  ++i))
 479                         j = i;
 480                       print_type_scalar (range, j, stream);
 481                     }
 482                 }
 483             }
 484         done:
 485           fputs_filtered ("}", stream);
 486         }
 487       break;
 488
 489     case TYPE_CODE_RANGE:
 490       if (TYPE_LENGTH (type) == TYPE_LENGTH (TYPE_TARGET_TYPE (type)))
 491         {
 492           m2_val_print (TYPE_TARGET_TYPE (type), embedded_offset,
 493                         address, stream, recurse, original_value, options);
 494           break;
 495         }
 496       /* FIXME: create_static_range_type does not set the unsigned bit in a
 497          range type (I think it probably should copy it from the target
 498          type), so we won't print values which are too large to
 499          fit in a signed integer correctly.  */
 500       /* FIXME: Doesn't handle ranges of enums correctly.  (Can't just
 501          print with the target type, though, because the size of our type
 502          and the target type might differ).  */
 503       /* FALLTHROUGH */
 504
 505     case TYPE_CODE_REF:
 506     case TYPE_CODE_ENUM:
 507     case TYPE_CODE_FUNC:
 508     case TYPE_CODE_INT:
 509     case TYPE_CODE_FLT:
 510     case TYPE_CODE_METHOD:
 511     case TYPE_CODE_VOID:
 512     case TYPE_CODE_ERROR:
 513     case TYPE_CODE_UNDEF:
 514     case TYPE_CODE_BOOL:
 515     case TYPE_CODE_CHAR:
 516     default:
 517       generic_val_print (type, embedded_offset, address,
 518                          stream, recurse, original_value, options,
 519                          &m2_decorations);
 520       break;
 521     }
 522 }
 523
 524 /* See m2-lang.h.  */
 525
 526 void
 527 m2_value_print_inner (struct value *val, struct ui_file *stream, int recurse,
 528                       const struct value_print_options *options)
 529 {
 530   unsigned len;
 531   struct type *elttype;
 532   CORE_ADDR addr;
 533   const gdb_byte *valaddr = value_contents_for_printing (val);
 534   const CORE_ADDR address = value_address (val);
 535
 536   struct type *type = check_typedef (value_type (val));
 537   switch (TYPE_CODE (type))
 538     {
 539     case TYPE_CODE_ARRAY:
 540       if (TYPE_LENGTH (type) > 0 && TYPE_LENGTH (TYPE_TARGET_TYPE (type)) > 0)
 541         {
 542           elttype = check_typedef (TYPE_TARGET_TYPE (type));
 543           len = TYPE_LENGTH (type) / TYPE_LENGTH (elttype);
 544           if (options->prettyformat_arrays)
 545             print_spaces_filtered (2 + 2 * recurse, stream);
 546           /* For an array of chars, print with string syntax.  */
 547           if (TYPE_LENGTH (elttype) == 1 &&
 548               ((TYPE_CODE (elttype) == TYPE_CODE_INT)
 549                || ((current_language->la_language == language_m2)
 550                    && (TYPE_CODE (elttype) == TYPE_CODE_CHAR)))
 551               && (options->format == 0 || options->format == 's'))
 552             {
 553               /* If requested, look for the first null char and only print
 554                  elements up to it.  */
 555               if (options->stop_print_at_null)
 556                 {
 557                   unsigned int temp_len;
 558
 559                   /* Look for a NULL char.  */
 560                   for (temp_len = 0;
 561                        (valaddr[temp_len]
 562                         && temp_len < len && temp_len < options->print_max);
 563                        temp_len++);
 564                   len = temp_len;
 565                 }
 566
 567               LA_PRINT_STRING (stream, TYPE_TARGET_TYPE (type),
 568                                valaddr, len, NULL, 0, options);
 569             }
 570           else
 571             {
 572               fprintf_filtered (stream, "{");
 573               value_print_array_elements (val, stream, recurse,
 574                                           options, 0);
 575               fprintf_filtered (stream, "}");
 576             }
 577           break;
 578         }
 579       /* Array of unspecified length: treat like pointer to first elt.  */
 580       print_unpacked_pointer (type, address, address, options, stream);
 581       break;
 582
 583     case TYPE_CODE_PTR:
 584       if (TYPE_CONST (type))
 585         print_variable_at_address (type, valaddr, stream, recurse, options);
 586       else if (options->format && options->format != 's')
 587         value_print_scalar_formatted (val, options, 0, stream);
 588       else
 589         {
 590           addr = unpack_pointer (type, valaddr);
 591           print_unpacked_pointer (type, addr, address, options, stream);
 592         }
 593       break;
 594
 595     case TYPE_CODE_UNION:
 596       if (recurse && !options->unionprint)
 597         {
 598           fprintf_filtered (stream, "{...}");
 599           break;
 600         }
 601       /* Fall through.  */
 602     case TYPE_CODE_STRUCT:
 603       if (m2_is_long_set (type))
 604         m2_print_long_set (type, valaddr, 0, address, stream);
 605       else if (m2_is_unbounded_array (type))
 606         m2_print_unbounded_array (val, stream, recurse, options);
 607       else
 608         cp_print_value_fields (val, stream, recurse, options, NULL, 0);
 609       break;
 610
 611     case TYPE_CODE_SET:
 612       elttype = TYPE_INDEX_TYPE (type);
 613       elttype = check_typedef (elttype);
 614       if (TYPE_STUB (elttype))
 615         {
 616           fprintf_styled (stream, metadata_style.style (),
 617                           _("<incomplete type>"));
 618           break;
 619         }
 620       else
 621         {
 622           struct type *range = elttype;
 623           LONGEST low_bound, high_bound;
 624           int i;
 625           int need_comma = 0;
 626
 627           fputs_filtered ("{", stream);
 628
 629           i = get_discrete_bounds (range, &low_bound, &high_bound);
 630         maybe_bad_bstring:
 631           if (i < 0)
 632             {
 633               fputs_styled (_("<error value>"), metadata_style.style (),
 634                             stream);
 635               goto done;
 636             }
 637
 638           for (i = low_bound; i <= high_bound; i++)
 639             {
 640               int element = value_bit_index (type, valaddr, i);
 641
 642               if (element < 0)
 643                 {
 644                   i = element;
 645                   goto maybe_bad_bstring;
 646                 }
 647               if (element)
 648                 {
 649                   if (need_comma)
 650                     fputs_filtered (", ", stream);
 651                   print_type_scalar (range, i, stream);
 652                   need_comma = 1;
 653
 654                   if (i + 1 <= high_bound
 655                       && value_bit_index (type, valaddr, ++i))
 656                     {
 657                       int j = i;
 658
 659                       fputs_filtered ("..", stream);
 660                       while (i + 1 <= high_bound
 661                              && value_bit_index (type, valaddr, ++i))
 662                         j = i;
 663                       print_type_scalar (range, j, stream);
 664                     }
 665                 }
 666             }
 667         done:
 668           fputs_filtered ("}", stream);
 669         }
 670       break;
 671
 672     case TYPE_CODE_RANGE:
 673       if (TYPE_LENGTH (type) == TYPE_LENGTH (TYPE_TARGET_TYPE (type)))
 674         {
 675           struct value *v = value_cast (TYPE_TARGET_TYPE (type), val);
 676           m2_value_print_inner (v, stream, recurse, options);
 677           break;
 678         }
 679       /* FIXME: create_static_range_type does not set the unsigned bit in a
 680          range type (I think it probably should copy it from the target
 681          type), so we won't print values which are too large to
 682          fit in a signed integer correctly.  */
 683       /* FIXME: Doesn't handle ranges of enums correctly.  (Can't just
 684          print with the target type, though, because the size of our type
 685          and the target type might differ).  */
 686       /* FALLTHROUGH */
 687
 688     case TYPE_CODE_REF:
 689     case TYPE_CODE_ENUM:
 690     case TYPE_CODE_FUNC:
 691     case TYPE_CODE_INT:
 692     case TYPE_CODE_FLT:
 693     case TYPE_CODE_METHOD:
 694     case TYPE_CODE_VOID:
 695     case TYPE_CODE_ERROR:
 696     case TYPE_CODE_UNDEF:
 697     case TYPE_CODE_BOOL:
 698     case TYPE_CODE_CHAR:
 699     default:
 700       generic_value_print (val, stream, recurse, options, &m2_decorations);
 701       break;
 702     }
 703 }