gdb/expprint.c

   1 /* Print in infix form a struct expression.
   2
   3    Copyright (C) 1986-2021 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 "language.h"
  26 #include "parser-defs.h"
  27 #include "user-regs.h"          /* For user_reg_map_regnum_to_name.  */
  28 #include "target.h"
  29 #include "block.h"
  30 #include "objfiles.h"
  31 #include "valprint.h"
  32 #include "cli/cli-style.h"
  33 #include "c-lang.h"
  34 #include "expop.h"
  35 #include "ada-exp.h"
  36
  37 #include <ctype.h>
  38
  39 void
  40 print_expression (struct expression *exp, struct ui_file *stream)
  41 {
  42   int pc = 0;
  43
  44   print_subexp (exp, &pc, stream, PREC_NULL);
  45 }
  46
  47 /* Print the subexpression of EXP that starts in position POS, on STREAM.
  48    PREC is the precedence of the surrounding operator;
  49    if the precedence of the main operator of this subexpression is less,
  50    parentheses are needed here.  */
  51
  52 void
  53 print_subexp (struct expression *exp, int *pos,
  54               struct ui_file *stream, enum precedence prec)
  55 {
  56   exp->language_defn->expression_ops ()->print_subexp (exp, pos, stream,
  57                                                        prec);
  58 }
  59
  60 /* See parser-defs.h.  */
  61
  62 void
  63 print_subexp_funcall (struct expression *exp, int *pos,
  64                       struct ui_file *stream)
  65 {
  66   unsigned nargs = longest_to_int (exp->elts[*pos].longconst);
  67   (*pos) += 2;
  68   print_subexp (exp, pos, stream, PREC_SUFFIX);
  69   fputs_filtered (" (", stream);
  70   for (unsigned tem = 0; tem < nargs; tem++)
  71     {
  72       if (tem != 0)
  73         fputs_filtered (", ", stream);
  74       print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
  75     }
  76   fputs_filtered (")", stream);
  77 }
  78
  79 /* Standard implementation of print_subexp for use in language_defn
  80    vectors.  */
  81 void
  82 print_subexp_standard (struct expression *exp, int *pos,
  83                        struct ui_file *stream, enum precedence prec)
  84 {
  85   unsigned tem;
  86   const struct op_print *op_print_tab;
  87   int pc;
  88   unsigned nargs;
  89   const char *op_str;
  90   int assign_modify = 0;
  91   enum exp_opcode opcode;
  92   enum precedence myprec = PREC_NULL;
  93   /* Set to 1 for a right-associative operator.  */
  94   int assoc = 0;
  95   struct value *val;
  96   char *tempstr = NULL;
  97
  98   op_print_tab = exp->language_defn->opcode_print_table ();
  99   pc = (*pos)++;
 100   opcode = exp->elts[pc].opcode;
 101   switch (opcode)
 102     {
 103       /* Common ops */
 104
 105     case OP_TYPE:
 106       (*pos) += 2;
 107       type_print (exp->elts[pc + 1].type, "", stream, 0);
 108       return;
 109
 110     case OP_SCOPE:
 111       myprec = PREC_PREFIX;
 112       assoc = 0;
 113       fputs_filtered (exp->elts[pc + 1].type->name (), stream);
 114       fputs_filtered ("::", stream);
 115       nargs = longest_to_int (exp->elts[pc + 2].longconst);
 116       (*pos) += 4 + BYTES_TO_EXP_ELEM (nargs + 1);
 117       fputs_filtered (&exp->elts[pc + 3].string, stream);
 118       return;
 119
 120     case OP_LONG:
 121       {
 122         struct value_print_options opts;
 123
 124         get_no_prettyformat_print_options (&opts);
 125         (*pos) += 3;
 126         value_print (value_from_longest (exp->elts[pc + 1].type,
 127                                          exp->elts[pc + 2].longconst),
 128                      stream, &opts);
 129       }
 130       return;
 131
 132     case OP_FLOAT:
 133       {
 134         struct value_print_options opts;
 135
 136         get_no_prettyformat_print_options (&opts);
 137         (*pos) += 3;
 138         value_print (value_from_contents (exp->elts[pc + 1].type,
 139                                           exp->elts[pc + 2].floatconst),
 140                      stream, &opts);
 141       }
 142       return;
 143
 144     case OP_VAR_VALUE:
 145       {
 146         const struct block *b;
 147
 148         (*pos) += 3;
 149         b = exp->elts[pc + 1].block;
 150         if (b != NULL
 151             && BLOCK_FUNCTION (b) != NULL
 152             && BLOCK_FUNCTION (b)->print_name () != NULL)
 153           {
 154             fputs_filtered (BLOCK_FUNCTION (b)->print_name (), stream);
 155             fputs_filtered ("::", stream);
 156           }
 157         fputs_filtered (exp->elts[pc + 2].symbol->print_name (), stream);
 158       }
 159       return;
 160
 161     case OP_VAR_MSYM_VALUE:
 162       {
 163         (*pos) += 3;
 164         fputs_filtered (exp->elts[pc + 2].msymbol->print_name (), stream);
 165       }
 166       return;
 167
 168     case OP_FUNC_STATIC_VAR:
 169       {
 170         tem = longest_to_int (exp->elts[pc + 1].longconst);
 171         (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
 172         fputs_filtered (&exp->elts[pc + 1].string, stream);
 173       }
 174       return;
 175
 176     case OP_VAR_ENTRY_VALUE:
 177       {
 178         (*pos) += 2;
 179         fprintf_filtered (stream, "%s@entry",
 180                           exp->elts[pc + 1].symbol->print_name ());
 181       }
 182       return;
 183
 184     case OP_LAST:
 185       (*pos) += 2;
 186       fprintf_filtered (stream, "$%d",
 187                         longest_to_int (exp->elts[pc + 1].longconst));
 188       return;
 189
 190     case OP_REGISTER:
 191       {
 192         const char *name = &exp->elts[pc + 2].string;
 193
 194         (*pos) += 3 + BYTES_TO_EXP_ELEM (exp->elts[pc + 1].longconst + 1);
 195         fprintf_filtered (stream, "$%s", name);
 196         return;
 197       }
 198
 199     case OP_BOOL:
 200       (*pos) += 2;
 201       fprintf_filtered (stream, "%s",
 202                         longest_to_int (exp->elts[pc + 1].longconst)
 203                         ? "TRUE" : "FALSE");
 204       return;
 205
 206     case OP_INTERNALVAR:
 207       (*pos) += 2;
 208       fprintf_filtered (stream, "$%s",
 209                         internalvar_name (exp->elts[pc + 1].internalvar));
 210       return;
 211
 212     case OP_FUNCALL:
 213       print_subexp_funcall (exp, pos, stream);
 214       return;
 215
 216     case OP_NAME:
 217       nargs = longest_to_int (exp->elts[pc + 1].longconst);
 218       (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
 219       fputs_filtered (&exp->elts[pc + 2].string, stream);
 220       return;
 221
 222     case OP_STRING:
 223       {
 224         struct value_print_options opts;
 225
 226         nargs = longest_to_int (exp->elts[pc + 1].longconst);
 227         (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
 228         /* LA_PRINT_STRING will print using the current repeat count threshold.
 229            If necessary, we can temporarily set it to zero, or pass it as an
 230            additional parameter to LA_PRINT_STRING.  -fnf */
 231         get_user_print_options (&opts);
 232         exp->language_defn
 233           ->printstr (stream, builtin_type (exp->gdbarch)->builtin_char,
 234                       (gdb_byte *) &exp->elts[pc + 2].string, nargs,
 235                       NULL, 0, &opts);
 236       }
 237       return;
 238
 239     case OP_OBJC_NSSTRING:      /* Objective-C Foundation Class
 240                                    NSString constant.  */
 241       {
 242         struct value_print_options opts;
 243
 244         nargs = longest_to_int (exp->elts[pc + 1].longconst);
 245         (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
 246         fputs_filtered ("@\"", stream);
 247         get_user_print_options (&opts);
 248         exp->language_defn
 249           ->printstr (stream, builtin_type (exp->gdbarch)->builtin_char,
 250                       (gdb_byte *) &exp->elts[pc + 2].string, nargs,
 251                       NULL, 0, &opts);
 252         fputs_filtered ("\"", stream);
 253       }
 254       return;
 255
 256     case OP_OBJC_MSGCALL:
 257       {                 /* Objective C message (method) call.  */
 258         (*pos) += 3;
 259         nargs = longest_to_int (exp->elts[pc + 2].longconst);
 260         fprintf_unfiltered (stream, "[");
 261         print_subexp (exp, pos, stream, PREC_SUFFIX);
 262         gdb::unique_xmalloc_ptr<char> selector
 263           = target_read_string (exp->elts[pc + 1].longconst, 1024);
 264         if (selector == nullptr)
 265           error (_("bad selector"));
 266         if (nargs)
 267           {
 268             char *s, *nextS;
 269
 270             s = selector.get ();
 271             for (tem = 0; tem < nargs; tem++)
 272               {
 273                 nextS = strchr (s, ':');
 274                 gdb_assert (nextS);     /* Make sure we found ':'.  */
 275                 *nextS = '\0';
 276                 fprintf_unfiltered (stream, " %s: ", s);
 277                 s = nextS + 1;
 278                 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
 279               }
 280           }
 281         else
 282           {
 283             fprintf_unfiltered (stream, " %s", selector.get ());
 284           }
 285         fprintf_unfiltered (stream, "]");
 286         return;
 287       }
 288
 289     case OP_ARRAY:
 290       (*pos) += 3;
 291       nargs = longest_to_int (exp->elts[pc + 2].longconst);
 292       nargs -= longest_to_int (exp->elts[pc + 1].longconst);
 293       nargs++;
 294       tem = 0;
 295       if (exp->elts[pc + 4].opcode == OP_LONG
 296           && exp->elts[pc + 5].type
 297              == builtin_type (exp->gdbarch)->builtin_char
 298           && exp->language_defn->la_language == language_c)
 299         {
 300           /* Attempt to print C character arrays using string syntax.
 301              Walk through the args, picking up one character from each
 302              of the OP_LONG expression elements.  If any array element
 303              does not match our expection of what we should find for
 304              a simple string, revert back to array printing.  Note that
 305              the last expression element is an explicit null terminator
 306              byte, which doesn't get printed.  */
 307           tempstr = (char *) alloca (nargs);
 308           pc += 4;
 309           while (tem < nargs)
 310             {
 311               if (exp->elts[pc].opcode != OP_LONG
 312                   || exp->elts[pc + 1].type
 313                      != builtin_type (exp->gdbarch)->builtin_char)
 314                 {
 315                   /* Not a simple array of char, use regular array
 316                      printing.  */
 317                   tem = 0;
 318                   break;
 319                 }
 320               else
 321                 {
 322                   tempstr[tem++] =
 323                     longest_to_int (exp->elts[pc + 2].longconst);
 324                   pc += 4;
 325                 }
 326             }
 327         }
 328       if (tem > 0)
 329         {
 330           struct value_print_options opts;
 331
 332           get_user_print_options (&opts);
 333           exp->language_defn
 334             ->printstr (stream, builtin_type (exp->gdbarch)->builtin_char,
 335                         (gdb_byte *) tempstr, nargs - 1, NULL, 0, &opts);
 336           (*pos) = pc;
 337         }
 338       else
 339         {
 340           fputs_filtered (" {", stream);
 341           for (tem = 0; tem < nargs; tem++)
 342             {
 343               if (tem != 0)
 344                 {
 345                   fputs_filtered (", ", stream);
 346                 }
 347               print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
 348             }
 349           fputs_filtered ("}", stream);
 350         }
 351       return;
 352
 353     case TERNOP_COND:
 354       if ((int) prec > (int) PREC_COMMA)
 355         fputs_filtered ("(", stream);
 356       /* Print the subexpressions, forcing parentheses
 357          around any binary operations within them.
 358          This is more parentheses than are strictly necessary,
 359          but it looks clearer.  */
 360       print_subexp (exp, pos, stream, PREC_HYPER);
 361       fputs_filtered (" ? ", stream);
 362       print_subexp (exp, pos, stream, PREC_HYPER);
 363       fputs_filtered (" : ", stream);
 364       print_subexp (exp, pos, stream, PREC_HYPER);
 365       if ((int) prec > (int) PREC_COMMA)
 366         fputs_filtered (")", stream);
 367       return;
 368
 369     case TERNOP_SLICE:
 370       print_subexp (exp, pos, stream, PREC_SUFFIX);
 371       fputs_filtered ("(", stream);
 372       print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
 373       fputs_filtered (opcode == TERNOP_SLICE ? " : " : " UP ", stream);
 374       print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
 375       fputs_filtered (")", stream);
 376       return;
 377
 378     case STRUCTOP_STRUCT:
 379       tem = longest_to_int (exp->elts[pc + 1].longconst);
 380       (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
 381       print_subexp (exp, pos, stream, PREC_SUFFIX);
 382       fputs_filtered (".", stream);
 383       fputs_filtered (&exp->elts[pc + 2].string, stream);
 384       return;
 385
 386       /* Will not occur for Modula-2.  */
 387     case STRUCTOP_PTR:
 388       tem = longest_to_int (exp->elts[pc + 1].longconst);
 389       (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
 390       print_subexp (exp, pos, stream, PREC_SUFFIX);
 391       fputs_filtered ("->", stream);
 392       fputs_filtered (&exp->elts[pc + 2].string, stream);
 393       return;
 394
 395     case STRUCTOP_MEMBER:
 396       print_subexp (exp, pos, stream, PREC_SUFFIX);
 397       fputs_filtered (".*", stream);
 398       print_subexp (exp, pos, stream, PREC_SUFFIX);
 399       return;
 400
 401     case STRUCTOP_MPTR:
 402       print_subexp (exp, pos, stream, PREC_SUFFIX);
 403       fputs_filtered ("->*", stream);
 404       print_subexp (exp, pos, stream, PREC_SUFFIX);
 405       return;
 406
 407     case BINOP_SUBSCRIPT:
 408       print_subexp (exp, pos, stream, PREC_SUFFIX);
 409       fputs_filtered ("[", stream);
 410       print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
 411       fputs_filtered ("]", stream);
 412       return;
 413
 414     case UNOP_POSTINCREMENT:
 415       print_subexp (exp, pos, stream, PREC_SUFFIX);
 416       fputs_filtered ("++", stream);
 417       return;
 418
 419     case UNOP_POSTDECREMENT:
 420       print_subexp (exp, pos, stream, PREC_SUFFIX);
 421       fputs_filtered ("--", stream);
 422       return;
 423
 424     case UNOP_CAST:
 425       (*pos) += 2;
 426       if ((int) prec > (int) PREC_PREFIX)
 427         fputs_filtered ("(", stream);
 428       fputs_filtered ("(", stream);
 429       type_print (exp->elts[pc + 1].type, "", stream, 0);
 430       fputs_filtered (") ", stream);
 431       print_subexp (exp, pos, stream, PREC_PREFIX);
 432       if ((int) prec > (int) PREC_PREFIX)
 433         fputs_filtered (")", stream);
 434       return;
 435
 436     case UNOP_CAST_TYPE:
 437       if ((int) prec > (int) PREC_PREFIX)
 438         fputs_filtered ("(", stream);
 439       fputs_filtered ("(", stream);
 440       print_subexp (exp, pos, stream, PREC_PREFIX);
 441       fputs_filtered (") ", stream);
 442       print_subexp (exp, pos, stream, PREC_PREFIX);
 443       if ((int) prec > (int) PREC_PREFIX)
 444         fputs_filtered (")", stream);
 445       return;
 446
 447     case UNOP_DYNAMIC_CAST:
 448     case UNOP_REINTERPRET_CAST:
 449       fputs_filtered (opcode == UNOP_DYNAMIC_CAST ? "dynamic_cast"
 450                       : "reinterpret_cast", stream);
 451       fputs_filtered ("<", stream);
 452       print_subexp (exp, pos, stream, PREC_PREFIX);
 453       fputs_filtered ("> (", stream);
 454       print_subexp (exp, pos, stream, PREC_PREFIX);
 455       fputs_filtered (")", stream);
 456       return;
 457
 458     case UNOP_MEMVAL:
 459       (*pos) += 2;
 460       if ((int) prec > (int) PREC_PREFIX)
 461         fputs_filtered ("(", stream);
 462       if (exp->elts[pc + 1].type->code () == TYPE_CODE_FUNC
 463           && exp->elts[pc + 3].opcode == OP_LONG)
 464         {
 465           struct value_print_options opts;
 466
 467           /* We have a minimal symbol fn, probably.  It's encoded
 468              as a UNOP_MEMVAL (function-type) of an OP_LONG (int, address).
 469              Swallow the OP_LONG (including both its opcodes); ignore
 470              its type; print the value in the type of the MEMVAL.  */
 471           (*pos) += 4;
 472           val = value_at_lazy (exp->elts[pc + 1].type,
 473                                (CORE_ADDR) exp->elts[pc + 5].longconst);
 474           get_no_prettyformat_print_options (&opts);
 475           value_print (val, stream, &opts);
 476         }
 477       else
 478         {
 479           fputs_filtered ("{", stream);
 480           type_print (exp->elts[pc + 1].type, "", stream, 0);
 481           fputs_filtered ("} ", stream);
 482           print_subexp (exp, pos, stream, PREC_PREFIX);
 483         }
 484       if ((int) prec > (int) PREC_PREFIX)
 485         fputs_filtered (")", stream);
 486       return;
 487
 488     case UNOP_MEMVAL_TYPE:
 489       if ((int) prec > (int) PREC_PREFIX)
 490         fputs_filtered ("(", stream);
 491       fputs_filtered ("{", stream);
 492       print_subexp (exp, pos, stream, PREC_PREFIX);
 493       fputs_filtered ("} ", stream);
 494       print_subexp (exp, pos, stream, PREC_PREFIX);
 495       if ((int) prec > (int) PREC_PREFIX)
 496         fputs_filtered (")", stream);
 497       return;
 498
 499     case BINOP_ASSIGN_MODIFY:
 500       opcode = exp->elts[pc + 1].opcode;
 501       (*pos) += 2;
 502       myprec = PREC_ASSIGN;
 503       assoc = 1;
 504       assign_modify = 1;
 505       op_str = "???";
 506       for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
 507         if (op_print_tab[tem].opcode == opcode)
 508           {
 509             op_str = op_print_tab[tem].string;
 510             break;
 511           }
 512       if (op_print_tab[tem].opcode != opcode)
 513         /* Not found; don't try to keep going because we don't know how
 514            to interpret further elements.  */
 515         error (_("Invalid expression"));
 516       break;
 517
 518       /* C++ ops */
 519
 520     case OP_THIS:
 521       ++(*pos);
 522       if (exp->language_defn->name_of_this () != NULL)
 523         fputs_filtered (exp->language_defn->name_of_this (), stream);
 524       else
 525         fprintf_styled (stream, metadata_style.style (),
 526                         _("<language %s has no 'this'>"),
 527                         exp->language_defn->name ());
 528       return;
 529
 530       /* Modula-2 ops */
 531
 532     case MULTI_SUBSCRIPT:
 533       (*pos) += 2;
 534       nargs = longest_to_int (exp->elts[pc + 1].longconst);
 535       print_subexp (exp, pos, stream, PREC_SUFFIX);
 536       fprintf_unfiltered (stream, " [");
 537       for (tem = 0; tem < nargs; tem++)
 538         {
 539           if (tem != 0)
 540             fprintf_unfiltered (stream, ", ");
 541           print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
 542         }
 543       fprintf_unfiltered (stream, "]");
 544       return;
 545
 546     case BINOP_VAL:
 547       (*pos) += 2;
 548       fprintf_unfiltered (stream, "VAL(");
 549       type_print (exp->elts[pc + 1].type, "", stream, 0);
 550       fprintf_unfiltered (stream, ",");
 551       print_subexp (exp, pos, stream, PREC_PREFIX);
 552       fprintf_unfiltered (stream, ")");
 553       return;
 554
 555     case TYPE_INSTANCE:
 556       {
 557         type_instance_flags flags
 558           = (type_instance_flag_value) longest_to_int (exp->elts[pc + 1].longconst);
 559         LONGEST count = exp->elts[pc + 2].longconst;
 560
 561         /* The FLAGS.  */
 562         (*pos)++;
 563         /* The COUNT.  */
 564         (*pos)++;
 565         fputs_unfiltered ("TypeInstance(", stream);
 566         while (count-- > 0)
 567           {
 568             type_print (exp->elts[(*pos)++].type, "", stream, 0);
 569             if (count > 0)
 570               fputs_unfiltered (",", stream);
 571           }
 572         fputs_unfiltered (",", stream);
 573         /* Ending COUNT and ending TYPE_INSTANCE.  */
 574         (*pos) += 2;
 575         print_subexp (exp, pos, stream, PREC_PREFIX);
 576
 577         if (flags & TYPE_INSTANCE_FLAG_CONST)
 578           fputs_unfiltered (",const", stream);
 579         if (flags & TYPE_INSTANCE_FLAG_VOLATILE)
 580           fputs_unfiltered (",volatile", stream);
 581
 582         fputs_unfiltered (")", stream);
 583         return;
 584       }
 585
 586     case OP_RANGE:
 587       {
 588         enum range_flag range_flag;
 589
 590         range_flag = (enum range_flag)
 591           longest_to_int (exp->elts[pc + 1].longconst);
 592         *pos += 2;
 593
 594         if (range_flag & RANGE_HIGH_BOUND_EXCLUSIVE)
 595           fputs_filtered ("EXCLUSIVE_", stream);
 596         fputs_filtered ("RANGE(", stream);
 597         if (!(range_flag & RANGE_LOW_BOUND_DEFAULT))
 598           print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
 599         fputs_filtered ("..", stream);
 600         if (!(range_flag & RANGE_HIGH_BOUND_DEFAULT))
 601           print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
 602         fputs_filtered (")", stream);
 603         return;
 604       }
 605
 606       /* Default ops */
 607
 608     default:
 609       op_str = "???";
 610       for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
 611         if (op_print_tab[tem].opcode == opcode)
 612           {
 613             op_str = op_print_tab[tem].string;
 614             myprec = op_print_tab[tem].precedence;
 615             assoc = op_print_tab[tem].right_assoc;
 616             break;
 617           }
 618       if (op_print_tab[tem].opcode != opcode)
 619         /* Not found; don't try to keep going because we don't know how
 620            to interpret further elements.  For example, this happens
 621            if opcode is OP_TYPE.  */
 622         error (_("Invalid expression"));
 623     }
 624
 625   /* Note that PREC_BUILTIN will always emit parentheses.  */
 626   if ((int) myprec < (int) prec)
 627     fputs_filtered ("(", stream);
 628   if ((int) opcode > (int) BINOP_END)
 629     {
 630       if (assoc)
 631         {
 632           /* Unary postfix operator.  */
 633           print_subexp (exp, pos, stream, PREC_SUFFIX);
 634           fputs_filtered (op_str, stream);
 635         }
 636       else
 637         {
 638           /* Unary prefix operator.  */
 639           fputs_filtered (op_str, stream);
 640           if (myprec == PREC_BUILTIN_FUNCTION)
 641             fputs_filtered ("(", stream);
 642           print_subexp (exp, pos, stream, PREC_PREFIX);
 643           if (myprec == PREC_BUILTIN_FUNCTION)
 644             fputs_filtered (")", stream);
 645         }
 646     }
 647   else
 648     {
 649       /* Binary operator.  */
 650       /* Print left operand.
 651          If operator is right-associative,
 652          increment precedence for this operand.  */
 653       print_subexp (exp, pos, stream,
 654                     (enum precedence) ((int) myprec + assoc));
 655       /* Print the operator itself.  */
 656       if (assign_modify)
 657         fprintf_filtered (stream, " %s= ", op_str);
 658       else if (op_str[0] == ',')
 659         fprintf_filtered (stream, "%s ", op_str);
 660       else
 661         fprintf_filtered (stream, " %s ", op_str);
 662       /* Print right operand.
 663          If operator is left-associative,
 664          increment precedence for this operand.  */
 665       print_subexp (exp, pos, stream,
 666                     (enum precedence) ((int) myprec + !assoc));
 667     }
 668
 669   if ((int) myprec < (int) prec)
 670     fputs_filtered (")", stream);
 671 }
 672
 673 /* Return the operator corresponding to opcode OP as
 674    a string.   NULL indicates that the opcode was not found in the
 675    current language table.  */
 676 const char *
 677 op_string (enum exp_opcode op)
 678 {
 679   int tem;
 680   const struct op_print *op_print_tab;
 681
 682   op_print_tab = current_language->opcode_print_table ();
 683   for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
 684     if (op_print_tab[tem].opcode == op)
 685       return op_print_tab[tem].string;
 686   return NULL;
 687 }
 688
 689 /* Support for dumping the raw data from expressions in a human readable
 690    form.  */
 691
 692 static int dump_subexp_body (struct expression *exp, struct ui_file *, int);
 693
 694 /* Default name for the standard operator OPCODE (i.e., one defined in
 695    the definition of enum exp_opcode).  */
 696
 697 const char *
 698 op_name (enum exp_opcode opcode)
 699 {
 700   switch (opcode)
 701     {
 702     default:
 703       {
 704         static char buf[30];
 705
 706         xsnprintf (buf, sizeof (buf), "<unknown %d>", opcode);
 707         return buf;
 708       }
 709 #define OP(name)        \
 710     case name:          \
 711       return #name ;
 712 #include "std-operator.def"
 713 #undef OP
 714     }
 715 }
 716
 717 /* Print a raw dump of expression EXP to STREAM.
 718    NOTE, if non-NULL, is printed as extra explanatory text.  */
 719
 720 void
 721 dump_raw_expression (struct expression *exp, struct ui_file *stream,
 722                      const char *note)
 723 {
 724   int elt;
 725   char *eltscan;
 726   int eltsize;
 727
 728   if (exp->op != nullptr)
 729     return;
 730
 731   fprintf_filtered (stream, "Dump of expression @ ");
 732   gdb_print_host_address (exp, stream);
 733   if (note)
 734     fprintf_filtered (stream, ", %s:", note);
 735   fprintf_filtered (stream, "\n\tLanguage %s, %d elements, %ld bytes each.\n",
 736                     exp->language_defn->name (), exp->nelts,
 737                     (long) sizeof (union exp_element));
 738   fprintf_filtered (stream, "\t%5s  %20s  %16s  %s\n", "Index", "Opcode",
 739                     "Hex Value", "String Value");
 740   for (elt = 0; elt < exp->nelts; elt++)
 741     {
 742       fprintf_filtered (stream, "\t%5d  ", elt);
 743
 744       const char *opcode_name = op_name (exp->elts[elt].opcode);
 745       fprintf_filtered (stream, "%20s  ", opcode_name);
 746
 747       print_longest (stream, 'd', 0, exp->elts[elt].longconst);
 748       fprintf_filtered (stream, "  ");
 749
 750       for (eltscan = (char *) &exp->elts[elt],
 751            eltsize = sizeof (union exp_element);
 752            eltsize-- > 0;
 753            eltscan++)
 754         {
 755           fprintf_filtered (stream, "%c",
 756                             isprint (*eltscan) ? (*eltscan & 0xFF) : '.');
 757         }
 758       fprintf_filtered (stream, "\n");
 759     }
 760 }
 761
 762 /* Dump the subexpression of prefix expression EXP whose operator is at
 763    position ELT onto STREAM.  Returns the position of the next
 764    subexpression in EXP.  */
 765
 766 int
 767 dump_subexp (struct expression *exp, struct ui_file *stream, int elt)
 768 {
 769   static int indent = 0;
 770   int i;
 771
 772   fprintf_filtered (stream, "\n");
 773   fprintf_filtered (stream, "\t%5d  ", elt);
 774
 775   for (i = 1; i <= indent; i++)
 776     fprintf_filtered (stream, " ");
 777   indent += 2;
 778
 779   fprintf_filtered (stream, "%-20s  ", op_name (exp->elts[elt].opcode));
 780
 781   elt = dump_subexp_body (exp, stream, elt);
 782
 783   indent -= 2;
 784
 785   return elt;
 786 }
 787
 788 /* Dump the operands of prefix expression EXP whose opcode is at
 789    position ELT onto STREAM.  Returns the position of the next
 790    subexpression in EXP.  */
 791
 792 static int
 793 dump_subexp_body (struct expression *exp, struct ui_file *stream, int elt)
 794 {
 795   return exp->language_defn->expression_ops ()->dump_subexp_body (exp, stream,
 796                                                                   elt);
 797 }
 798
 799 /* See parser-defs.h.  */
 800
 801 int
 802 dump_subexp_body_funcall (struct expression *exp,
 803                           struct ui_file *stream, int elt)
 804 {
 805   int nargs = longest_to_int (exp->elts[elt].longconst);
 806   fprintf_filtered (stream, "Number of args: %d", nargs);
 807   elt += 2;
 808
 809   for (int i = 1; i <= nargs + 1; i++)
 810     elt = dump_subexp (exp, stream, elt);
 811
 812   return elt;
 813 }
 814
 815 /* Default value for subexp_body in exp_descriptor vector.  */
 816
 817 int
 818 dump_subexp_body_standard (struct expression *exp,
 819                            struct ui_file *stream, int elt)
 820 {
 821   int opcode = exp->elts[elt++].opcode;
 822
 823   switch (opcode)
 824     {
 825     case TERNOP_COND:
 826     case TERNOP_SLICE:
 827       elt = dump_subexp (exp, stream, elt);
 828       /* FALL THROUGH */
 829     case BINOP_ADD:
 830     case BINOP_SUB:
 831     case BINOP_MUL:
 832     case BINOP_DIV:
 833     case BINOP_REM:
 834     case BINOP_MOD:
 835     case BINOP_LSH:
 836     case BINOP_RSH:
 837     case BINOP_LOGICAL_AND:
 838     case BINOP_LOGICAL_OR:
 839     case BINOP_BITWISE_AND:
 840     case BINOP_BITWISE_IOR:
 841     case BINOP_BITWISE_XOR:
 842     case BINOP_EQUAL:
 843     case BINOP_NOTEQUAL:
 844     case BINOP_LESS:
 845     case BINOP_GTR:
 846     case BINOP_LEQ:
 847     case BINOP_GEQ:
 848     case BINOP_REPEAT:
 849     case BINOP_ASSIGN:
 850     case BINOP_COMMA:
 851     case BINOP_SUBSCRIPT:
 852     case BINOP_EXP:
 853     case BINOP_MIN:
 854     case BINOP_MAX:
 855     case BINOP_INTDIV:
 856     case BINOP_ASSIGN_MODIFY:
 857     case BINOP_VAL:
 858     case BINOP_CONCAT:
 859     case BINOP_END:
 860     case STRUCTOP_MEMBER:
 861     case STRUCTOP_MPTR:
 862       elt = dump_subexp (exp, stream, elt);
 863       /* FALL THROUGH */
 864     case UNOP_NEG:
 865     case UNOP_LOGICAL_NOT:
 866     case UNOP_COMPLEMENT:
 867     case UNOP_IND:
 868     case UNOP_ADDR:
 869     case UNOP_PREINCREMENT:
 870     case UNOP_POSTINCREMENT:
 871     case UNOP_PREDECREMENT:
 872     case UNOP_POSTDECREMENT:
 873     case UNOP_SIZEOF:
 874     case UNOP_ALIGNOF:
 875     case UNOP_PLUS:
 876     case UNOP_CAP:
 877     case UNOP_CHR:
 878     case UNOP_ORD:
 879     case UNOP_ABS:
 880     case UNOP_FLOAT:
 881     case UNOP_HIGH:
 882     case UNOP_MAX:
 883     case UNOP_MIN:
 884     case UNOP_ODD:
 885     case UNOP_TRUNC:
 886       elt = dump_subexp (exp, stream, elt);
 887       break;
 888     case OP_LONG:
 889       fprintf_filtered (stream, "Type @");
 890       gdb_print_host_address (exp->elts[elt].type, stream);
 891       fprintf_filtered (stream, " (");
 892       type_print (exp->elts[elt].type, NULL, stream, 0);
 893       fprintf_filtered (stream, "), value %ld (0x%lx)",
 894                         (long) exp->elts[elt + 1].longconst,
 895                         (long) exp->elts[elt + 1].longconst);
 896       elt += 3;
 897       break;
 898     case OP_FLOAT:
 899       fprintf_filtered (stream, "Type @");
 900       gdb_print_host_address (exp->elts[elt].type, stream);
 901       fprintf_filtered (stream, " (");
 902       type_print (exp->elts[elt].type, NULL, stream, 0);
 903       fprintf_filtered (stream, "), value ");
 904       print_floating (exp->elts[elt + 1].floatconst,
 905                       exp->elts[elt].type, stream);
 906       elt += 3;
 907       break;
 908     case OP_VAR_VALUE:
 909       fprintf_filtered (stream, "Block @");
 910       gdb_print_host_address (exp->elts[elt].block, stream);
 911       fprintf_filtered (stream, ", symbol @");
 912       gdb_print_host_address (exp->elts[elt + 1].symbol, stream);
 913       fprintf_filtered (stream, " (%s)",
 914                         exp->elts[elt + 1].symbol->print_name ());
 915       elt += 3;
 916       break;
 917     case OP_VAR_MSYM_VALUE:
 918       fprintf_filtered (stream, "Objfile @");
 919       gdb_print_host_address (exp->elts[elt].objfile, stream);
 920       fprintf_filtered (stream, ", msymbol @");
 921       gdb_print_host_address (exp->elts[elt + 1].msymbol, stream);
 922       fprintf_filtered (stream, " (%s)",
 923                         exp->elts[elt + 1].msymbol->print_name ());
 924       elt += 3;
 925       break;
 926     case OP_VAR_ENTRY_VALUE:
 927       fprintf_filtered (stream, "Entry value of symbol @");
 928       gdb_print_host_address (exp->elts[elt].symbol, stream);
 929       fprintf_filtered (stream, " (%s)",
 930                         exp->elts[elt].symbol->print_name ());
 931       elt += 2;
 932       break;
 933     case OP_LAST:
 934       fprintf_filtered (stream, "History element %ld",
 935                         (long) exp->elts[elt].longconst);
 936       elt += 2;
 937       break;
 938     case OP_REGISTER:
 939       fprintf_filtered (stream, "Register $%s", &exp->elts[elt + 1].string);
 940       elt += 3 + BYTES_TO_EXP_ELEM (exp->elts[elt].longconst + 1);
 941       break;
 942     case OP_INTERNALVAR:
 943       fprintf_filtered (stream, "Internal var @");
 944       gdb_print_host_address (exp->elts[elt].internalvar, stream);
 945       fprintf_filtered (stream, " (%s)",
 946                         internalvar_name (exp->elts[elt].internalvar));
 947       elt += 2;
 948       break;
 949     case OP_FUNCALL:
 950       elt = dump_subexp_body_funcall (exp, stream, elt);
 951       break;
 952     case OP_ARRAY:
 953       {
 954         int lower, upper;
 955         int i;
 956
 957         lower = longest_to_int (exp->elts[elt].longconst);
 958         upper = longest_to_int (exp->elts[elt + 1].longconst);
 959
 960         fprintf_filtered (stream, "Bounds [%d:%d]", lower, upper);
 961         elt += 3;
 962
 963         for (i = 1; i <= upper - lower + 1; i++)
 964           elt = dump_subexp (exp, stream, elt);
 965       }
 966       break;
 967     case UNOP_DYNAMIC_CAST:
 968     case UNOP_REINTERPRET_CAST:
 969     case UNOP_CAST_TYPE:
 970     case UNOP_MEMVAL_TYPE:
 971       fprintf_filtered (stream, " (");
 972       elt = dump_subexp (exp, stream, elt);
 973       fprintf_filtered (stream, ")");
 974       elt = dump_subexp (exp, stream, elt);
 975       break;
 976     case UNOP_MEMVAL:
 977     case UNOP_CAST:
 978       fprintf_filtered (stream, "Type @");
 979       gdb_print_host_address (exp->elts[elt].type, stream);
 980       fprintf_filtered (stream, " (");
 981       type_print (exp->elts[elt].type, NULL, stream, 0);
 982       fprintf_filtered (stream, ")");
 983       elt = dump_subexp (exp, stream, elt + 2);
 984       break;
 985     case OP_TYPE:
 986       fprintf_filtered (stream, "Type @");
 987       gdb_print_host_address (exp->elts[elt].type, stream);
 988       fprintf_filtered (stream, " (");
 989       type_print (exp->elts[elt].type, NULL, stream, 0);
 990       fprintf_filtered (stream, ")");
 991       elt += 2;
 992       break;
 993     case OP_TYPEOF:
 994     case OP_DECLTYPE:
 995       fprintf_filtered (stream, "Typeof (");
 996       elt = dump_subexp (exp, stream, elt);
 997       fprintf_filtered (stream, ")");
 998       break;
 999     case OP_TYPEID:
1000       fprintf_filtered (stream, "typeid (");
1001       elt = dump_subexp (exp, stream, elt);
1002       fprintf_filtered (stream, ")");
1003       break;
1004     case STRUCTOP_STRUCT:
1005     case STRUCTOP_PTR:
1006       {
1007         char *elem_name;
1008         int len;
1009
1010         len = longest_to_int (exp->elts[elt].longconst);
1011         elem_name = &exp->elts[elt + 1].string;
1012
1013         fprintf_filtered (stream, "Element name: `%.*s'", len, elem_name);
1014         elt = dump_subexp (exp, stream, elt + 3 + BYTES_TO_EXP_ELEM (len + 1));
1015       }
1016       break;
1017     case OP_SCOPE:
1018       {
1019         char *elem_name;
1020         int len;
1021
1022         fprintf_filtered (stream, "Type @");
1023         gdb_print_host_address (exp->elts[elt].type, stream);
1024         fprintf_filtered (stream, " (");
1025         type_print (exp->elts[elt].type, NULL, stream, 0);
1026         fprintf_filtered (stream, ") ");
1027
1028         len = longest_to_int (exp->elts[elt + 1].longconst);
1029         elem_name = &exp->elts[elt + 2].string;
1030
1031         fprintf_filtered (stream, "Field name: `%.*s'", len, elem_name);
1032         elt += 4 + BYTES_TO_EXP_ELEM (len + 1);
1033       }
1034       break;
1035
1036     case OP_FUNC_STATIC_VAR:
1037       {
1038         int len = longest_to_int (exp->elts[elt].longconst);
1039         const char *var_name = &exp->elts[elt + 1].string;
1040         fprintf_filtered (stream, "Field name: `%.*s'", len, var_name);
1041         elt += 3 + BYTES_TO_EXP_ELEM (len + 1);
1042       }
1043       break;
1044
1045     case TYPE_INSTANCE:
1046       {
1047         type_instance_flags flags
1048           = (type_instance_flag_value) longest_to_int (exp->elts[elt++].longconst);
1049         LONGEST len = exp->elts[elt++].longconst;
1050         fprintf_filtered (stream, "%s TypeInstance: ", plongest (len));
1051         while (len-- > 0)
1052           {
1053             fprintf_filtered (stream, "Type @");
1054             gdb_print_host_address (exp->elts[elt].type, stream);
1055             fprintf_filtered (stream, " (");
1056             type_print (exp->elts[elt].type, NULL, stream, 0);
1057             fprintf_filtered (stream, ")");
1058             elt++;
1059             if (len > 0)
1060               fputs_filtered (", ", stream);
1061           }
1062
1063         fprintf_filtered (stream, " Flags: %s (", hex_string (flags));
1064         bool space = false;
1065         auto print_one = [&] (const char *mod)
1066           {
1067             if (space)
1068               fputs_filtered (" ", stream);
1069             space = true;
1070             fprintf_filtered (stream, "%s", mod);
1071           };
1072         if (flags & TYPE_INSTANCE_FLAG_CONST)
1073           print_one ("const");
1074         if (flags & TYPE_INSTANCE_FLAG_VOLATILE)
1075           print_one ("volatile");
1076         fprintf_filtered (stream, ")");
1077
1078         /* Ending LEN and ending TYPE_INSTANCE.  */
1079         elt += 2;
1080         elt = dump_subexp (exp, stream, elt);
1081       }
1082       break;
1083     case OP_STRING:
1084       {
1085         LONGEST len = exp->elts[elt].longconst;
1086         LONGEST type = exp->elts[elt + 1].longconst;
1087
1088         fprintf_filtered (stream, "Language-specific string type: %s",
1089                           plongest (type));
1090
1091         /* Skip length.  */
1092         elt += 1;
1093
1094         /* Skip string content. */
1095         elt += BYTES_TO_EXP_ELEM (len);
1096
1097         /* Skip length and ending OP_STRING. */
1098         elt += 2;
1099       }
1100       break;
1101     case OP_RANGE:
1102       {
1103         enum range_flag range_flag;
1104
1105         range_flag = (enum range_flag)
1106           longest_to_int (exp->elts[elt].longconst);
1107         elt += 2;
1108
1109         if (range_flag & RANGE_HIGH_BOUND_EXCLUSIVE)
1110           fputs_filtered ("Exclusive", stream);
1111         fputs_filtered ("Range '", stream);
1112         if (!(range_flag & RANGE_LOW_BOUND_DEFAULT))
1113           fputs_filtered ("EXP", stream);
1114         fputs_filtered ("..", stream);
1115         if (!(range_flag & RANGE_HIGH_BOUND_DEFAULT))
1116           fputs_filtered ("EXP", stream);
1117         if (range_flag & RANGE_HAS_STRIDE)
1118           fputs_filtered (":EXP", stream);
1119         fputs_filtered ("'", stream);
1120
1121         if (!(range_flag & RANGE_LOW_BOUND_DEFAULT))
1122           elt = dump_subexp (exp, stream, elt);
1123         if (!(range_flag & RANGE_HIGH_BOUND_DEFAULT))
1124           elt = dump_subexp (exp, stream, elt);
1125         if (range_flag & RANGE_HAS_STRIDE)
1126           elt = dump_subexp (exp, stream, elt);
1127       }
1128       break;
1129
1130     case OP_BOOL:
1131       {
1132         bool val = (bool) (exp->elts[elt].longconst);
1133         fputs_filtered (val ? "TRUE" : "FALSE", stream);
1134         elt += 2;
1135       }
1136       break;
1137
1138     default:
1139     case OP_NULL:
1140     case MULTI_SUBSCRIPT:
1141     case OP_COMPLEX:
1142     case OP_M2_STRING:
1143     case OP_THIS:
1144     case OP_NAME:
1145       fprintf_filtered (stream, "Unknown format");
1146     }
1147
1148   return elt;
1149 }
1150
1151 void
1152 dump_prefix_expression (struct expression *exp, struct ui_file *stream)
1153 {
1154   int elt;
1155
1156   if (exp->op != nullptr)
1157     {
1158       exp->op->dump (stream, 0);
1159       return;
1160     }
1161
1162   fprintf_filtered (stream, "Dump of expression @ ");
1163   gdb_print_host_address (exp, stream);
1164   fputs_filtered (", after conversion to prefix form:\nExpression: `", stream);
1165
1166   if (exp->op != nullptr)
1167     {
1168       exp->op->dump (stream, 0);
1169       return;
1170     }
1171
1172   print_expression (exp, stream);
1173   fprintf_filtered (stream, "'\n\tLanguage %s, %d elements, %ld bytes each.\n",
1174                     exp->language_defn->name (), exp->nelts,
1175                     (long) sizeof (union exp_element));
1176   fputs_filtered ("\n", stream);
1177
1178   for (elt = 0; elt < exp->nelts;)
1179     elt = dump_subexp (exp, stream, elt);
1180   fputs_filtered ("\n", stream);
1181 }
1182
1183 namespace expr
1184 {
1185
1186 void
1187 dump_for_expression (struct ui_file *stream, int depth, enum exp_opcode op)
1188 {
1189   fprintf_filtered (stream, _("%*sOperation: %s\n"), depth, "", op_name (op));
1190 }
1191
1192 void
1193 dump_for_expression (struct ui_file *stream, int depth, const std::string &str)
1194 {
1195   fprintf_filtered (stream, _("%*sString: %s\n"), depth, "", str.c_str ());
1196 }
1197
1198 void
1199 dump_for_expression (struct ui_file *stream, int depth, struct type *type)
1200 {
1201   fprintf_filtered (stream, _("%*sType: "), depth, "");
1202   type_print (type, nullptr, stream, 0);
1203   fprintf_filtered (stream, "\n");
1204 }
1205
1206 void
1207 dump_for_expression (struct ui_file *stream, int depth, CORE_ADDR addr)
1208 {
1209   fprintf_filtered (stream, _("%*sConstant: %s\n"), depth, "",
1210                      core_addr_to_string (addr));
1211 }
1212
1213 void
1214 dump_for_expression (struct ui_file *stream, int depth, internalvar *ivar)
1215 {
1216   fprintf_filtered (stream, _("%*sInternalvar: $%s\n"), depth, "",
1217                      internalvar_name (ivar));
1218 }
1219
1220 void
1221 dump_for_expression (struct ui_file *stream, int depth, symbol *sym)
1222 {
1223   fprintf_filtered (stream, _("%*sSymbol: %s\n"), depth, "",
1224                      sym->print_name ());
1225 }
1226
1227 void
1228 dump_for_expression (struct ui_file *stream, int depth, minimal_symbol *msym)
1229 {
1230   fprintf_filtered (stream, _("%*sMinsym: %s\n"), depth, "",
1231                      msym->print_name ());
1232 }
1233
1234 void
1235 dump_for_expression (struct ui_file *stream, int depth, const block *bl)
1236 {
1237   fprintf_filtered (stream, _("%*sBlock: %p\n"), depth, "", bl);
1238 }
1239
1240 void
1241 dump_for_expression (struct ui_file *stream, int depth,
1242                      type_instance_flags flags)
1243 {
1244   fprintf_filtered (stream, _("%*sType flags: "), depth, "");
1245   if (flags & TYPE_INSTANCE_FLAG_CONST)
1246     fputs_unfiltered ("const ", stream);
1247   if (flags & TYPE_INSTANCE_FLAG_VOLATILE)
1248     fputs_unfiltered ("volatile", stream);
1249   fprintf_filtered (stream, "\n");
1250 }
1251
1252 void
1253 dump_for_expression (struct ui_file *stream, int depth,
1254                      enum c_string_type_values flags)
1255 {
1256   fprintf_filtered (stream, _("%*sC string flags: "), depth, "");
1257   switch (flags & ~C_CHAR)
1258     {
1259     case C_WIDE_STRING:
1260       fputs_unfiltered (_("wide "), stream);
1261       break;
1262     case C_STRING_16:
1263       fputs_unfiltered (_("u16 "), stream);
1264       break;
1265     case C_STRING_32:
1266       fputs_unfiltered (_("u32 "), stream);
1267       break;
1268     default:
1269       fputs_unfiltered (_("ordinary "), stream);
1270       break;
1271     }
1272
1273   if ((flags & C_CHAR) != 0)
1274     fputs_unfiltered (_("char"), stream);
1275   else
1276     fputs_unfiltered (_("string"), stream);
1277   fputs_unfiltered ("\n", stream);
1278 }
1279
1280 void
1281 dump_for_expression (struct ui_file *stream, int depth, objfile *objf)
1282 {
1283   fprintf_filtered (stream, _("%*sObjfile: %s\n"), depth, "",
1284                      objfile_name (objf));
1285 }
1286
1287 void
1288 dump_for_expression (struct ui_file *stream, int depth,
1289                      enum range_flag flags)
1290 {
1291   fprintf_filtered (stream, _("%*sRange:"), depth, "");
1292   if ((flags & RANGE_LOW_BOUND_DEFAULT) != 0)
1293     fputs_unfiltered (_("low-default "), stream);
1294   if ((flags & RANGE_HIGH_BOUND_DEFAULT) != 0)
1295     fputs_unfiltered (_("high-default "), stream);
1296   if ((flags & RANGE_HIGH_BOUND_EXCLUSIVE) != 0)
1297     fputs_unfiltered (_("high-exclusive "), stream);
1298   if ((flags & RANGE_HAS_STRIDE) != 0)
1299     fputs_unfiltered (_("has-stride"), stream);
1300   fprintf_filtered (stream, "\n");
1301 }
1302
1303 void
1304 dump_for_expression (struct ui_file *stream, int depth,
1305                      const std::unique_ptr<ada_component> &comp)
1306 {
1307   comp->dump (stream, depth);
1308 }
1309
1310 void
1311 float_const_operation::dump (struct ui_file *stream, int depth) const
1312 {
1313   fprintf_filtered (stream, _("%*sFloat: "), depth, "");
1314   print_floating (m_data.data (), m_type, stream);
1315   fprintf_filtered (stream, "\n");
1316 }
1317
1318 } /* namespace expr */