1 /* Print in infix form a struct expression.
3 Copyright (C) 1986-2018 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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/>. */
23 #include "expression.h"
26 #include "parser-defs.h"
27 #include "user-regs.h" /* For user_reg_map_regnum_to_name. */
36 print_expression (struct expression *exp, struct ui_file *stream)
40 print_subexp (exp, &pc, stream, PREC_NULL);
43 /* Print the subexpression of EXP that starts in position POS, on STREAM.
44 PREC is the precedence of the surrounding operator;
45 if the precedence of the main operator of this subexpression is less,
46 parentheses are needed here. */
49 print_subexp (struct expression *exp, int *pos,
50 struct ui_file *stream, enum precedence prec)
52 exp->language_defn->la_exp_desc->print_subexp (exp, pos, stream, prec);
55 /* Standard implementation of print_subexp for use in language_defn
58 print_subexp_standard (struct expression *exp, int *pos,
59 struct ui_file *stream, enum precedence prec)
62 const struct op_print *op_print_tab;
66 int assign_modify = 0;
67 enum exp_opcode opcode;
68 enum precedence myprec = PREC_NULL;
69 /* Set to 1 for a right-associative operator. */
74 op_print_tab = exp->language_defn->la_op_print_tab;
76 opcode = exp->elts[pc].opcode;
83 type_print (exp->elts[pc + 1].type, "", stream, 0);
89 fputs_filtered (TYPE_NAME (exp->elts[pc + 1].type), stream);
90 fputs_filtered ("::", stream);
91 nargs = longest_to_int (exp->elts[pc + 2].longconst);
92 (*pos) += 4 + BYTES_TO_EXP_ELEM (nargs + 1);
93 fputs_filtered (&exp->elts[pc + 3].string, stream);
98 struct value_print_options opts;
100 get_no_prettyformat_print_options (&opts);
102 value_print (value_from_longest (exp->elts[pc + 1].type,
103 exp->elts[pc + 2].longconst),
110 struct value_print_options opts;
112 get_no_prettyformat_print_options (&opts);
114 value_print (value_from_contents (exp->elts[pc + 1].type,
115 exp->elts[pc + 2].floatconst),
122 const struct block *b;
125 b = exp->elts[pc + 1].block;
127 && BLOCK_FUNCTION (b) != NULL
128 && SYMBOL_PRINT_NAME (BLOCK_FUNCTION (b)) != NULL)
130 fputs_filtered (SYMBOL_PRINT_NAME (BLOCK_FUNCTION (b)), stream);
131 fputs_filtered ("::", stream);
133 fputs_filtered (SYMBOL_PRINT_NAME (exp->elts[pc + 2].symbol), stream);
137 case OP_VAR_MSYM_VALUE:
140 fputs_filtered (MSYMBOL_PRINT_NAME (exp->elts[pc + 2].msymbol), stream);
144 case OP_FUNC_STATIC_VAR:
146 tem = longest_to_int (exp->elts[pc + 1].longconst);
147 (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
148 fputs_filtered (&exp->elts[pc + 1].string, stream);
152 case OP_VAR_ENTRY_VALUE:
155 fprintf_filtered (stream, "%s@entry",
156 SYMBOL_PRINT_NAME (exp->elts[pc + 1].symbol));
162 fprintf_filtered (stream, "$%d",
163 longest_to_int (exp->elts[pc + 1].longconst));
168 const char *name = &exp->elts[pc + 2].string;
170 (*pos) += 3 + BYTES_TO_EXP_ELEM (exp->elts[pc + 1].longconst + 1);
171 fprintf_filtered (stream, "$%s", name);
177 fprintf_filtered (stream, "%s",
178 longest_to_int (exp->elts[pc + 1].longconst)
184 fprintf_filtered (stream, "$%s",
185 internalvar_name (exp->elts[pc + 1].internalvar));
189 case OP_F77_UNDETERMINED_ARGLIST:
191 nargs = longest_to_int (exp->elts[pc + 1].longconst);
192 print_subexp (exp, pos, stream, PREC_SUFFIX);
193 fputs_filtered (" (", stream);
194 for (tem = 0; tem < nargs; tem++)
197 fputs_filtered (", ", stream);
198 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
200 fputs_filtered (")", stream);
204 nargs = longest_to_int (exp->elts[pc + 1].longconst);
205 (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
206 fputs_filtered (&exp->elts[pc + 2].string, stream);
211 struct value_print_options opts;
213 nargs = longest_to_int (exp->elts[pc + 1].longconst);
214 (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
215 /* LA_PRINT_STRING will print using the current repeat count threshold.
216 If necessary, we can temporarily set it to zero, or pass it as an
217 additional parameter to LA_PRINT_STRING. -fnf */
218 get_user_print_options (&opts);
219 LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
220 (gdb_byte *) &exp->elts[pc + 2].string, nargs,
225 case OP_OBJC_NSSTRING: /* Objective-C Foundation Class
226 NSString constant. */
228 struct value_print_options opts;
230 nargs = longest_to_int (exp->elts[pc + 1].longconst);
231 (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
232 fputs_filtered ("@\"", stream);
233 get_user_print_options (&opts);
234 LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
235 (gdb_byte *) &exp->elts[pc + 2].string, nargs,
237 fputs_filtered ("\"", stream);
241 case OP_OBJC_MSGCALL:
242 { /* Objective C message (method) call. */
243 gdb::unique_xmalloc_ptr<char> selector;
246 nargs = longest_to_int (exp->elts[pc + 2].longconst);
247 fprintf_unfiltered (stream, "[");
248 print_subexp (exp, pos, stream, PREC_SUFFIX);
249 if (0 == target_read_string (exp->elts[pc + 1].longconst,
250 &selector, 1024, NULL))
252 error (_("bad selector"));
260 for (tem = 0; tem < nargs; tem++)
262 nextS = strchr (s, ':');
263 gdb_assert (nextS); /* Make sure we found ':'. */
265 fprintf_unfiltered (stream, " %s: ", s);
267 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
272 fprintf_unfiltered (stream, " %s", selector.get ());
274 fprintf_unfiltered (stream, "]");
280 nargs = longest_to_int (exp->elts[pc + 2].longconst);
281 nargs -= longest_to_int (exp->elts[pc + 1].longconst);
284 if (exp->elts[pc + 4].opcode == OP_LONG
285 && exp->elts[pc + 5].type
286 == builtin_type (exp->gdbarch)->builtin_char
287 && exp->language_defn->la_language == language_c)
289 /* Attempt to print C character arrays using string syntax.
290 Walk through the args, picking up one character from each
291 of the OP_LONG expression elements. If any array element
292 does not match our expection of what we should find for
293 a simple string, revert back to array printing. Note that
294 the last expression element is an explicit null terminator
295 byte, which doesn't get printed. */
296 tempstr = (char *) alloca (nargs);
300 if (exp->elts[pc].opcode != OP_LONG
301 || exp->elts[pc + 1].type
302 != builtin_type (exp->gdbarch)->builtin_char)
304 /* Not a simple array of char, use regular array
312 longest_to_int (exp->elts[pc + 2].longconst);
319 struct value_print_options opts;
321 get_user_print_options (&opts);
322 LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
323 (gdb_byte *) tempstr, nargs - 1, NULL, 0, &opts);
328 fputs_filtered (" {", stream);
329 for (tem = 0; tem < nargs; tem++)
333 fputs_filtered (", ", stream);
335 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
337 fputs_filtered ("}", stream);
342 if ((int) prec > (int) PREC_COMMA)
343 fputs_filtered ("(", stream);
344 /* Print the subexpressions, forcing parentheses
345 around any binary operations within them.
346 This is more parentheses than are strictly necessary,
347 but it looks clearer. */
348 print_subexp (exp, pos, stream, PREC_HYPER);
349 fputs_filtered (" ? ", stream);
350 print_subexp (exp, pos, stream, PREC_HYPER);
351 fputs_filtered (" : ", stream);
352 print_subexp (exp, pos, stream, PREC_HYPER);
353 if ((int) prec > (int) PREC_COMMA)
354 fputs_filtered (")", stream);
358 print_subexp (exp, pos, stream, PREC_SUFFIX);
359 fputs_filtered ("(", stream);
360 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
361 fputs_filtered (opcode == TERNOP_SLICE ? " : " : " UP ", stream);
362 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
363 fputs_filtered (")", stream);
366 case STRUCTOP_STRUCT:
367 tem = longest_to_int (exp->elts[pc + 1].longconst);
368 (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
369 print_subexp (exp, pos, stream, PREC_SUFFIX);
370 fputs_filtered (".", stream);
371 fputs_filtered (&exp->elts[pc + 2].string, stream);
374 /* Will not occur for Modula-2. */
376 tem = longest_to_int (exp->elts[pc + 1].longconst);
377 (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
378 print_subexp (exp, pos, stream, PREC_SUFFIX);
379 fputs_filtered ("->", stream);
380 fputs_filtered (&exp->elts[pc + 2].string, stream);
383 case STRUCTOP_MEMBER:
384 print_subexp (exp, pos, stream, PREC_SUFFIX);
385 fputs_filtered (".*", stream);
386 print_subexp (exp, pos, stream, PREC_SUFFIX);
390 print_subexp (exp, pos, stream, PREC_SUFFIX);
391 fputs_filtered ("->*", stream);
392 print_subexp (exp, pos, stream, PREC_SUFFIX);
395 case BINOP_SUBSCRIPT:
396 print_subexp (exp, pos, stream, PREC_SUFFIX);
397 fputs_filtered ("[", stream);
398 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
399 fputs_filtered ("]", stream);
402 case UNOP_POSTINCREMENT:
403 print_subexp (exp, pos, stream, PREC_SUFFIX);
404 fputs_filtered ("++", stream);
407 case UNOP_POSTDECREMENT:
408 print_subexp (exp, pos, stream, PREC_SUFFIX);
409 fputs_filtered ("--", stream);
414 if ((int) prec > (int) PREC_PREFIX)
415 fputs_filtered ("(", stream);
416 fputs_filtered ("(", stream);
417 type_print (exp->elts[pc + 1].type, "", stream, 0);
418 fputs_filtered (") ", stream);
419 print_subexp (exp, pos, stream, PREC_PREFIX);
420 if ((int) prec > (int) PREC_PREFIX)
421 fputs_filtered (")", stream);
425 if ((int) prec > (int) PREC_PREFIX)
426 fputs_filtered ("(", stream);
427 fputs_filtered ("(", stream);
428 print_subexp (exp, pos, stream, PREC_PREFIX);
429 fputs_filtered (") ", stream);
430 print_subexp (exp, pos, stream, PREC_PREFIX);
431 if ((int) prec > (int) PREC_PREFIX)
432 fputs_filtered (")", stream);
435 case UNOP_DYNAMIC_CAST:
436 case UNOP_REINTERPRET_CAST:
437 fputs_filtered (opcode == UNOP_DYNAMIC_CAST ? "dynamic_cast"
438 : "reinterpret_cast", 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 fputs_filtered (")", stream);
448 if ((int) prec > (int) PREC_PREFIX)
449 fputs_filtered ("(", stream);
450 if (TYPE_CODE (exp->elts[pc + 1].type) == TYPE_CODE_FUNC
451 && exp->elts[pc + 3].opcode == OP_LONG)
453 struct value_print_options opts;
455 /* We have a minimal symbol fn, probably. It's encoded
456 as a UNOP_MEMVAL (function-type) of an OP_LONG (int, address).
457 Swallow the OP_LONG (including both its opcodes); ignore
458 its type; print the value in the type of the MEMVAL. */
460 val = value_at_lazy (exp->elts[pc + 1].type,
461 (CORE_ADDR) exp->elts[pc + 5].longconst);
462 get_no_prettyformat_print_options (&opts);
463 value_print (val, stream, &opts);
467 fputs_filtered ("{", stream);
468 type_print (exp->elts[pc + 1].type, "", stream, 0);
469 fputs_filtered ("} ", stream);
470 print_subexp (exp, pos, stream, PREC_PREFIX);
472 if ((int) prec > (int) PREC_PREFIX)
473 fputs_filtered (")", stream);
476 case UNOP_MEMVAL_TYPE:
477 if ((int) prec > (int) PREC_PREFIX)
478 fputs_filtered ("(", stream);
479 fputs_filtered ("{", stream);
480 print_subexp (exp, pos, stream, PREC_PREFIX);
481 fputs_filtered ("} ", stream);
482 print_subexp (exp, pos, stream, PREC_PREFIX);
483 if ((int) prec > (int) PREC_PREFIX)
484 fputs_filtered (")", stream);
487 case BINOP_ASSIGN_MODIFY:
488 opcode = exp->elts[pc + 1].opcode;
490 myprec = PREC_ASSIGN;
494 for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
495 if (op_print_tab[tem].opcode == opcode)
497 op_str = op_print_tab[tem].string;
500 if (op_print_tab[tem].opcode != opcode)
501 /* Not found; don't try to keep going because we don't know how
502 to interpret further elements. */
503 error (_("Invalid expression"));
510 if (exp->language_defn->la_name_of_this)
511 fputs_filtered (exp->language_defn->la_name_of_this, stream);
513 fprintf_filtered (stream, _("<language %s has no 'this'>"),
514 exp->language_defn->la_name);
519 case MULTI_SUBSCRIPT:
521 nargs = longest_to_int (exp->elts[pc + 1].longconst);
522 print_subexp (exp, pos, stream, PREC_SUFFIX);
523 fprintf_unfiltered (stream, " [");
524 for (tem = 0; tem < nargs; tem++)
527 fprintf_unfiltered (stream, ", ");
528 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
530 fprintf_unfiltered (stream, "]");
535 fprintf_unfiltered (stream, "VAL(");
536 type_print (exp->elts[pc + 1].type, "", stream, 0);
537 fprintf_unfiltered (stream, ",");
538 print_subexp (exp, pos, stream, PREC_PREFIX);
539 fprintf_unfiltered (stream, ")");
544 type_instance_flags flags
545 = (type_instance_flag_value) longest_to_int (exp->elts[pc + 1].longconst);
546 LONGEST count = exp->elts[pc + 2].longconst;
552 fputs_unfiltered ("TypeInstance(", stream);
555 type_print (exp->elts[(*pos)++].type, "", stream, 0);
557 fputs_unfiltered (",", stream);
559 fputs_unfiltered (",", stream);
560 /* Ending COUNT and ending TYPE_INSTANCE. */
562 print_subexp (exp, pos, stream, PREC_PREFIX);
564 if (flags & TYPE_INSTANCE_FLAG_CONST)
565 fputs_unfiltered (",const", stream);
566 if (flags & TYPE_INSTANCE_FLAG_VOLATILE)
567 fputs_unfiltered (",volatile", stream);
569 fputs_unfiltered (")", stream);
575 enum range_type range_type;
577 range_type = (enum range_type)
578 longest_to_int (exp->elts[pc + 1].longconst);
581 if (range_type == NONE_BOUND_DEFAULT_EXCLUSIVE
582 || range_type == LOW_BOUND_DEFAULT_EXCLUSIVE)
583 fputs_filtered ("EXCLUSIVE_", stream);
584 fputs_filtered ("RANGE(", stream);
585 if (range_type == HIGH_BOUND_DEFAULT
586 || range_type == NONE_BOUND_DEFAULT
587 || range_type == NONE_BOUND_DEFAULT_EXCLUSIVE)
588 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
589 fputs_filtered ("..", stream);
590 if (range_type == LOW_BOUND_DEFAULT
591 || range_type == NONE_BOUND_DEFAULT)
592 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
593 fputs_filtered (")", stream);
601 for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
602 if (op_print_tab[tem].opcode == opcode)
604 op_str = op_print_tab[tem].string;
605 myprec = op_print_tab[tem].precedence;
606 assoc = op_print_tab[tem].right_assoc;
609 if (op_print_tab[tem].opcode != opcode)
610 /* Not found; don't try to keep going because we don't know how
611 to interpret further elements. For example, this happens
612 if opcode is OP_TYPE. */
613 error (_("Invalid expression"));
616 /* Note that PREC_BUILTIN will always emit parentheses. */
617 if ((int) myprec < (int) prec)
618 fputs_filtered ("(", stream);
619 if ((int) opcode > (int) BINOP_END)
623 /* Unary postfix operator. */
624 print_subexp (exp, pos, stream, PREC_SUFFIX);
625 fputs_filtered (op_str, stream);
629 /* Unary prefix operator. */
630 fputs_filtered (op_str, stream);
631 if (myprec == PREC_BUILTIN_FUNCTION)
632 fputs_filtered ("(", stream);
633 print_subexp (exp, pos, stream, PREC_PREFIX);
634 if (myprec == PREC_BUILTIN_FUNCTION)
635 fputs_filtered (")", stream);
640 /* Binary operator. */
641 /* Print left operand.
642 If operator is right-associative,
643 increment precedence for this operand. */
644 print_subexp (exp, pos, stream,
645 (enum precedence) ((int) myprec + assoc));
646 /* Print the operator itself. */
648 fprintf_filtered (stream, " %s= ", op_str);
649 else if (op_str[0] == ',')
650 fprintf_filtered (stream, "%s ", op_str);
652 fprintf_filtered (stream, " %s ", op_str);
653 /* Print right operand.
654 If operator is left-associative,
655 increment precedence for this operand. */
656 print_subexp (exp, pos, stream,
657 (enum precedence) ((int) myprec + !assoc));
660 if ((int) myprec < (int) prec)
661 fputs_filtered (")", stream);
664 /* Return the operator corresponding to opcode OP as
665 a string. NULL indicates that the opcode was not found in the
666 current language table. */
668 op_string (enum exp_opcode op)
671 const struct op_print *op_print_tab;
673 op_print_tab = current_language->la_op_print_tab;
674 for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
675 if (op_print_tab[tem].opcode == op)
676 return op_print_tab[tem].string;
680 /* Support for dumping the raw data from expressions in a human readable
683 static int dump_subexp_body (struct expression *exp, struct ui_file *, int);
685 /* Name for OPCODE, when it appears in expression EXP. */
688 op_name (struct expression *exp, enum exp_opcode opcode)
690 return exp->language_defn->la_exp_desc->op_name (opcode);
693 /* Default name for the standard operator OPCODE (i.e., one defined in
694 the definition of enum exp_opcode). */
697 op_name_standard (enum exp_opcode opcode)
705 xsnprintf (buf, sizeof (buf), "<unknown %d>", opcode);
711 #include "std-operator.def"
716 /* Print a raw dump of expression EXP to STREAM.
717 NOTE, if non-NULL, is printed as extra explanatory text. */
720 dump_raw_expression (struct expression *exp, struct ui_file *stream,
727 fprintf_filtered (stream, "Dump of expression @ ");
728 gdb_print_host_address (exp, stream);
730 fprintf_filtered (stream, ", %s:", note);
731 fprintf_filtered (stream, "\n\tLanguage %s, %d elements, %ld bytes each.\n",
732 exp->language_defn->la_name, exp->nelts,
733 (long) sizeof (union exp_element));
734 fprintf_filtered (stream, "\t%5s %20s %16s %s\n", "Index", "Opcode",
735 "Hex Value", "String Value");
736 for (elt = 0; elt < exp->nelts; elt++)
738 fprintf_filtered (stream, "\t%5d ", elt);
740 const char *opcode_name = op_name (exp, exp->elts[elt].opcode);
741 fprintf_filtered (stream, "%20s ", opcode_name);
743 print_longest (stream, 'd', 0, exp->elts[elt].longconst);
744 fprintf_filtered (stream, " ");
746 for (eltscan = (char *) &exp->elts[elt],
747 eltsize = sizeof (union exp_element);
751 fprintf_filtered (stream, "%c",
752 isprint (*eltscan) ? (*eltscan & 0xFF) : '.');
754 fprintf_filtered (stream, "\n");
758 /* Dump the subexpression of prefix expression EXP whose operator is at
759 position ELT onto STREAM. Returns the position of the next
760 subexpression in EXP. */
763 dump_subexp (struct expression *exp, struct ui_file *stream, int elt)
765 static int indent = 0;
768 fprintf_filtered (stream, "\n");
769 fprintf_filtered (stream, "\t%5d ", elt);
771 for (i = 1; i <= indent; i++)
772 fprintf_filtered (stream, " ");
775 fprintf_filtered (stream, "%-20s ", op_name (exp, exp->elts[elt].opcode));
777 elt = dump_subexp_body (exp, stream, elt);
784 /* Dump the operands of prefix expression EXP whose opcode is at
785 position ELT onto STREAM. Returns the position of the next
786 subexpression in EXP. */
789 dump_subexp_body (struct expression *exp, struct ui_file *stream, int elt)
791 return exp->language_defn->la_exp_desc->dump_subexp_body (exp, stream, elt);
794 /* Default value for subexp_body in exp_descriptor vector. */
797 dump_subexp_body_standard (struct expression *exp,
798 struct ui_file *stream, int elt)
800 int opcode = exp->elts[elt++].opcode;
806 elt = dump_subexp (exp, stream, elt);
816 case BINOP_LOGICAL_AND:
817 case BINOP_LOGICAL_OR:
818 case BINOP_BITWISE_AND:
819 case BINOP_BITWISE_IOR:
820 case BINOP_BITWISE_XOR:
830 case BINOP_SUBSCRIPT:
835 case BINOP_ASSIGN_MODIFY:
839 case STRUCTOP_MEMBER:
841 elt = dump_subexp (exp, stream, elt);
844 case UNOP_LOGICAL_NOT:
845 case UNOP_COMPLEMENT:
848 case UNOP_PREINCREMENT:
849 case UNOP_POSTINCREMENT:
850 case UNOP_PREDECREMENT:
851 case UNOP_POSTDECREMENT:
865 elt = dump_subexp (exp, stream, elt);
868 fprintf_filtered (stream, "Type @");
869 gdb_print_host_address (exp->elts[elt].type, stream);
870 fprintf_filtered (stream, " (");
871 type_print (exp->elts[elt].type, NULL, stream, 0);
872 fprintf_filtered (stream, "), value %ld (0x%lx)",
873 (long) exp->elts[elt + 1].longconst,
874 (long) exp->elts[elt + 1].longconst);
878 fprintf_filtered (stream, "Type @");
879 gdb_print_host_address (exp->elts[elt].type, stream);
880 fprintf_filtered (stream, " (");
881 type_print (exp->elts[elt].type, NULL, stream, 0);
882 fprintf_filtered (stream, "), value ");
883 print_floating (exp->elts[elt + 1].floatconst,
884 exp->elts[elt].type, stream);
888 fprintf_filtered (stream, "Block @");
889 gdb_print_host_address (exp->elts[elt].block, stream);
890 fprintf_filtered (stream, ", symbol @");
891 gdb_print_host_address (exp->elts[elt + 1].symbol, stream);
892 fprintf_filtered (stream, " (%s)",
893 SYMBOL_PRINT_NAME (exp->elts[elt + 1].symbol));
896 case OP_VAR_MSYM_VALUE:
897 fprintf_filtered (stream, "Objfile @");
898 gdb_print_host_address (exp->elts[elt].objfile, stream);
899 fprintf_filtered (stream, ", msymbol @");
900 gdb_print_host_address (exp->elts[elt + 1].msymbol, stream);
901 fprintf_filtered (stream, " (%s)",
902 MSYMBOL_PRINT_NAME (exp->elts[elt + 1].msymbol));
905 case OP_VAR_ENTRY_VALUE:
906 fprintf_filtered (stream, "Entry value of symbol @");
907 gdb_print_host_address (exp->elts[elt].symbol, stream);
908 fprintf_filtered (stream, " (%s)",
909 SYMBOL_PRINT_NAME (exp->elts[elt].symbol));
913 fprintf_filtered (stream, "History element %ld",
914 (long) exp->elts[elt].longconst);
918 fprintf_filtered (stream, "Register $%s", &exp->elts[elt + 1].string);
919 elt += 3 + BYTES_TO_EXP_ELEM (exp->elts[elt].longconst + 1);
922 fprintf_filtered (stream, "Internal var @");
923 gdb_print_host_address (exp->elts[elt].internalvar, stream);
924 fprintf_filtered (stream, " (%s)",
925 internalvar_name (exp->elts[elt].internalvar));
929 case OP_F77_UNDETERMINED_ARGLIST:
933 nargs = longest_to_int (exp->elts[elt].longconst);
935 fprintf_filtered (stream, "Number of args: %d", nargs);
938 for (i = 1; i <= nargs + 1; i++)
939 elt = dump_subexp (exp, stream, elt);
947 lower = longest_to_int (exp->elts[elt].longconst);
948 upper = longest_to_int (exp->elts[elt + 1].longconst);
950 fprintf_filtered (stream, "Bounds [%d:%d]", lower, upper);
953 for (i = 1; i <= upper - lower + 1; i++)
954 elt = dump_subexp (exp, stream, elt);
957 case UNOP_DYNAMIC_CAST:
958 case UNOP_REINTERPRET_CAST:
960 case UNOP_MEMVAL_TYPE:
961 fprintf_filtered (stream, " (");
962 elt = dump_subexp (exp, stream, elt);
963 fprintf_filtered (stream, ")");
964 elt = dump_subexp (exp, stream, elt);
968 fprintf_filtered (stream, "Type @");
969 gdb_print_host_address (exp->elts[elt].type, stream);
970 fprintf_filtered (stream, " (");
971 type_print (exp->elts[elt].type, NULL, stream, 0);
972 fprintf_filtered (stream, ")");
973 elt = dump_subexp (exp, stream, elt + 2);
976 fprintf_filtered (stream, "Type @");
977 gdb_print_host_address (exp->elts[elt].type, stream);
978 fprintf_filtered (stream, " (");
979 type_print (exp->elts[elt].type, NULL, stream, 0);
980 fprintf_filtered (stream, ")");
985 fprintf_filtered (stream, "Typeof (");
986 elt = dump_subexp (exp, stream, elt);
987 fprintf_filtered (stream, ")");
990 fprintf_filtered (stream, "typeid (");
991 elt = dump_subexp (exp, stream, elt);
992 fprintf_filtered (stream, ")");
994 case STRUCTOP_STRUCT:
1000 len = longest_to_int (exp->elts[elt].longconst);
1001 elem_name = &exp->elts[elt + 1].string;
1003 fprintf_filtered (stream, "Element name: `%.*s'", len, elem_name);
1004 elt = dump_subexp (exp, stream, elt + 3 + BYTES_TO_EXP_ELEM (len + 1));
1012 fprintf_filtered (stream, "Type @");
1013 gdb_print_host_address (exp->elts[elt].type, stream);
1014 fprintf_filtered (stream, " (");
1015 type_print (exp->elts[elt].type, NULL, stream, 0);
1016 fprintf_filtered (stream, ") ");
1018 len = longest_to_int (exp->elts[elt + 1].longconst);
1019 elem_name = &exp->elts[elt + 2].string;
1021 fprintf_filtered (stream, "Field name: `%.*s'", len, elem_name);
1022 elt += 4 + BYTES_TO_EXP_ELEM (len + 1);
1026 case OP_FUNC_STATIC_VAR:
1028 int len = longest_to_int (exp->elts[elt].longconst);
1029 const char *var_name = &exp->elts[elt + 1].string;
1030 fprintf_filtered (stream, "Field name: `%.*s'", len, var_name);
1031 elt += 3 + BYTES_TO_EXP_ELEM (len + 1);
1037 type_instance_flags flags
1038 = (type_instance_flag_value) longest_to_int (exp->elts[elt++].longconst);
1039 LONGEST len = exp->elts[elt++].longconst;
1040 fprintf_filtered (stream, "%s TypeInstance: ", plongest (len));
1043 fprintf_filtered (stream, "Type @");
1044 gdb_print_host_address (exp->elts[elt].type, stream);
1045 fprintf_filtered (stream, " (");
1046 type_print (exp->elts[elt].type, NULL, stream, 0);
1047 fprintf_filtered (stream, ")");
1050 fputs_filtered (", ", stream);
1053 fprintf_filtered (stream, " Flags: %s (", hex_string (flags));
1055 auto print_one = [&] (const char *mod)
1058 fputs_filtered (" ", stream);
1060 fprintf_filtered (stream, "%s", mod);
1062 if (flags & TYPE_INSTANCE_FLAG_CONST)
1063 print_one ("const");
1064 if (flags & TYPE_INSTANCE_FLAG_VOLATILE)
1065 print_one ("volatile");
1066 fprintf_filtered (stream, ")");
1068 /* Ending LEN and ending TYPE_INSTANCE. */
1070 elt = dump_subexp (exp, stream, elt);
1075 LONGEST len = exp->elts[elt].longconst;
1076 LONGEST type = exp->elts[elt + 1].longconst;
1078 fprintf_filtered (stream, "Language-specific string type: %s",
1084 /* Skip string content. */
1085 elt += BYTES_TO_EXP_ELEM (len);
1087 /* Skip length and ending OP_STRING. */
1093 enum range_type range_type;
1095 range_type = (enum range_type)
1096 longest_to_int (exp->elts[elt].longconst);
1101 case BOTH_BOUND_DEFAULT:
1102 fputs_filtered ("Range '..'", stream);
1104 case LOW_BOUND_DEFAULT:
1105 fputs_filtered ("Range '..EXP'", stream);
1107 case LOW_BOUND_DEFAULT_EXCLUSIVE:
1108 fputs_filtered ("ExclusiveRange '..EXP'", stream);
1110 case HIGH_BOUND_DEFAULT:
1111 fputs_filtered ("Range 'EXP..'", stream);
1113 case NONE_BOUND_DEFAULT:
1114 fputs_filtered ("Range 'EXP..EXP'", stream);
1116 case NONE_BOUND_DEFAULT_EXCLUSIVE:
1117 fputs_filtered ("ExclusiveRange 'EXP..EXP'", stream);
1120 fputs_filtered ("Invalid Range!", stream);
1124 if (range_type == HIGH_BOUND_DEFAULT
1125 || range_type == NONE_BOUND_DEFAULT)
1126 elt = dump_subexp (exp, stream, elt);
1127 if (range_type == LOW_BOUND_DEFAULT
1128 || range_type == NONE_BOUND_DEFAULT)
1129 elt = dump_subexp (exp, stream, elt);
1135 case MULTI_SUBSCRIPT:
1141 fprintf_filtered (stream, "Unknown format");
1148 dump_prefix_expression (struct expression *exp, struct ui_file *stream)
1152 fprintf_filtered (stream, "Dump of expression @ ");
1153 gdb_print_host_address (exp, stream);
1154 fputs_filtered (", after conversion to prefix form:\nExpression: `", stream);
1155 print_expression (exp, stream);
1156 fprintf_filtered (stream, "'\n\tLanguage %s, %d elements, %ld bytes each.\n",
1157 exp->language_defn->la_name, exp->nelts,
1158 (long) sizeof (union exp_element));
1159 fputs_filtered ("\n", stream);
1161 for (elt = 0; elt < exp->nelts;)
1162 elt = dump_subexp (exp, stream, elt);
1163 fputs_filtered ("\n", stream);