1 /* Print in infix form a struct expression.
3 Copyright (C) 1986-2017 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_no_tag (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_double (exp->elts[pc + 1].type,
115 exp->elts[pc + 2].doubleconst),
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));
190 nargs = longest_to_int (exp->elts[pc + 1].longconst);
191 print_subexp (exp, pos, stream, PREC_SUFFIX);
192 fputs_filtered (" (", stream);
193 for (tem = 0; tem < nargs; tem++)
196 fputs_filtered (", ", stream);
197 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
199 fputs_filtered (")", stream);
203 nargs = longest_to_int (exp->elts[pc + 1].longconst);
204 (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
205 fputs_filtered (&exp->elts[pc + 2].string, stream);
210 struct value_print_options opts;
212 nargs = longest_to_int (exp->elts[pc + 1].longconst);
213 (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
214 /* LA_PRINT_STRING will print using the current repeat count threshold.
215 If necessary, we can temporarily set it to zero, or pass it as an
216 additional parameter to LA_PRINT_STRING. -fnf */
217 get_user_print_options (&opts);
218 LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
219 (gdb_byte *) &exp->elts[pc + 2].string, nargs,
224 case OP_OBJC_NSSTRING: /* Objective-C Foundation Class
225 NSString constant. */
227 struct value_print_options opts;
229 nargs = longest_to_int (exp->elts[pc + 1].longconst);
230 (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
231 fputs_filtered ("@\"", stream);
232 get_user_print_options (&opts);
233 LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
234 (gdb_byte *) &exp->elts[pc + 2].string, nargs,
236 fputs_filtered ("\"", stream);
240 case OP_OBJC_MSGCALL:
241 { /* Objective C message (method) call. */
245 nargs = longest_to_int (exp->elts[pc + 2].longconst);
246 fprintf_unfiltered (stream, "[");
247 print_subexp (exp, pos, stream, PREC_SUFFIX);
248 if (0 == target_read_string (exp->elts[pc + 1].longconst,
249 &selector, 1024, NULL))
251 error (_("bad selector"));
258 s = (char *) alloca (strlen (selector) + 1);
259 strcpy (s, 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);
274 fprintf_unfiltered (stream, "]");
275 /* "selector" was malloc'd by target_read_string. Free it. */
282 nargs = longest_to_int (exp->elts[pc + 2].longconst);
283 nargs -= longest_to_int (exp->elts[pc + 1].longconst);
286 if (exp->elts[pc + 4].opcode == OP_LONG
287 && exp->elts[pc + 5].type
288 == builtin_type (exp->gdbarch)->builtin_char
289 && exp->language_defn->la_language == language_c)
291 /* Attempt to print C character arrays using string syntax.
292 Walk through the args, picking up one character from each
293 of the OP_LONG expression elements. If any array element
294 does not match our expection of what we should find for
295 a simple string, revert back to array printing. Note that
296 the last expression element is an explicit null terminator
297 byte, which doesn't get printed. */
298 tempstr = (char *) alloca (nargs);
302 if (exp->elts[pc].opcode != OP_LONG
303 || exp->elts[pc + 1].type
304 != builtin_type (exp->gdbarch)->builtin_char)
306 /* Not a simple array of char, use regular array
314 longest_to_int (exp->elts[pc + 2].longconst);
321 struct value_print_options opts;
323 get_user_print_options (&opts);
324 LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
325 (gdb_byte *) tempstr, nargs - 1, NULL, 0, &opts);
330 fputs_filtered (" {", stream);
331 for (tem = 0; tem < nargs; tem++)
335 fputs_filtered (", ", stream);
337 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
339 fputs_filtered ("}", stream);
344 if ((int) prec > (int) PREC_COMMA)
345 fputs_filtered ("(", stream);
346 /* Print the subexpressions, forcing parentheses
347 around any binary operations within them.
348 This is more parentheses than are strictly necessary,
349 but it looks clearer. */
350 print_subexp (exp, pos, stream, PREC_HYPER);
351 fputs_filtered (" ? ", stream);
352 print_subexp (exp, pos, stream, PREC_HYPER);
353 fputs_filtered (" : ", stream);
354 print_subexp (exp, pos, stream, PREC_HYPER);
355 if ((int) prec > (int) PREC_COMMA)
356 fputs_filtered (")", stream);
360 print_subexp (exp, pos, stream, PREC_SUFFIX);
361 fputs_filtered ("(", stream);
362 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
363 fputs_filtered (opcode == TERNOP_SLICE ? " : " : " UP ", stream);
364 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
365 fputs_filtered (")", stream);
368 case STRUCTOP_STRUCT:
369 tem = longest_to_int (exp->elts[pc + 1].longconst);
370 (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
371 print_subexp (exp, pos, stream, PREC_SUFFIX);
372 fputs_filtered (".", stream);
373 fputs_filtered (&exp->elts[pc + 2].string, stream);
376 /* Will not occur for Modula-2. */
378 tem = longest_to_int (exp->elts[pc + 1].longconst);
379 (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
380 print_subexp (exp, pos, stream, PREC_SUFFIX);
381 fputs_filtered ("->", stream);
382 fputs_filtered (&exp->elts[pc + 2].string, stream);
385 case STRUCTOP_MEMBER:
386 print_subexp (exp, pos, stream, PREC_SUFFIX);
387 fputs_filtered (".*", stream);
388 print_subexp (exp, pos, stream, PREC_SUFFIX);
392 print_subexp (exp, pos, stream, PREC_SUFFIX);
393 fputs_filtered ("->*", stream);
394 print_subexp (exp, pos, stream, PREC_SUFFIX);
397 case BINOP_SUBSCRIPT:
398 print_subexp (exp, pos, stream, PREC_SUFFIX);
399 fputs_filtered ("[", stream);
400 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
401 fputs_filtered ("]", stream);
404 case UNOP_POSTINCREMENT:
405 print_subexp (exp, pos, stream, PREC_SUFFIX);
406 fputs_filtered ("++", stream);
409 case UNOP_POSTDECREMENT:
410 print_subexp (exp, pos, stream, PREC_SUFFIX);
411 fputs_filtered ("--", stream);
416 if ((int) prec > (int) PREC_PREFIX)
417 fputs_filtered ("(", stream);
418 fputs_filtered ("(", stream);
419 type_print (exp->elts[pc + 1].type, "", stream, 0);
420 fputs_filtered (") ", stream);
421 print_subexp (exp, pos, stream, PREC_PREFIX);
422 if ((int) prec > (int) PREC_PREFIX)
423 fputs_filtered (")", stream);
427 if ((int) prec > (int) PREC_PREFIX)
428 fputs_filtered ("(", stream);
429 fputs_filtered ("(", stream);
430 print_subexp (exp, pos, stream, PREC_PREFIX);
431 fputs_filtered (") ", stream);
432 print_subexp (exp, pos, stream, PREC_PREFIX);
433 if ((int) prec > (int) PREC_PREFIX)
434 fputs_filtered (")", stream);
437 case UNOP_DYNAMIC_CAST:
438 case UNOP_REINTERPRET_CAST:
439 fputs_filtered (opcode == UNOP_DYNAMIC_CAST ? "dynamic_cast"
440 : "reinterpret_cast", stream);
441 fputs_filtered ("<", stream);
442 print_subexp (exp, pos, stream, PREC_PREFIX);
443 fputs_filtered ("> (", stream);
444 print_subexp (exp, pos, stream, PREC_PREFIX);
445 fputs_filtered (")", stream);
450 if ((int) prec > (int) PREC_PREFIX)
451 fputs_filtered ("(", stream);
452 if (TYPE_CODE (exp->elts[pc + 1].type) == TYPE_CODE_FUNC
453 && exp->elts[pc + 3].opcode == OP_LONG)
455 struct value_print_options opts;
457 /* We have a minimal symbol fn, probably. It's encoded
458 as a UNOP_MEMVAL (function-type) of an OP_LONG (int, address).
459 Swallow the OP_LONG (including both its opcodes); ignore
460 its type; print the value in the type of the MEMVAL. */
462 val = value_at_lazy (exp->elts[pc + 1].type,
463 (CORE_ADDR) exp->elts[pc + 5].longconst);
464 get_no_prettyformat_print_options (&opts);
465 value_print (val, stream, &opts);
469 fputs_filtered ("{", stream);
470 type_print (exp->elts[pc + 1].type, "", stream, 0);
471 fputs_filtered ("} ", stream);
472 print_subexp (exp, pos, stream, PREC_PREFIX);
474 if ((int) prec > (int) PREC_PREFIX)
475 fputs_filtered (")", stream);
478 case UNOP_MEMVAL_TYPE:
479 if ((int) prec > (int) PREC_PREFIX)
480 fputs_filtered ("(", stream);
481 fputs_filtered ("{", stream);
482 print_subexp (exp, pos, stream, PREC_PREFIX);
483 fputs_filtered ("} ", stream);
484 print_subexp (exp, pos, stream, PREC_PREFIX);
485 if ((int) prec > (int) PREC_PREFIX)
486 fputs_filtered (")", stream);
489 case BINOP_ASSIGN_MODIFY:
490 opcode = exp->elts[pc + 1].opcode;
492 myprec = PREC_ASSIGN;
496 for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
497 if (op_print_tab[tem].opcode == opcode)
499 op_str = op_print_tab[tem].string;
502 if (op_print_tab[tem].opcode != opcode)
503 /* Not found; don't try to keep going because we don't know how
504 to interpret further elements. */
505 error (_("Invalid expression"));
512 if (exp->language_defn->la_name_of_this)
513 fputs_filtered (exp->language_defn->la_name_of_this, stream);
515 fprintf_filtered (stream, _("<language %s has no 'this'>"),
516 exp->language_defn->la_name);
521 case MULTI_SUBSCRIPT:
523 nargs = longest_to_int (exp->elts[pc + 1].longconst);
524 print_subexp (exp, pos, stream, PREC_SUFFIX);
525 fprintf_unfiltered (stream, " [");
526 for (tem = 0; tem < nargs; tem++)
529 fprintf_unfiltered (stream, ", ");
530 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
532 fprintf_unfiltered (stream, "]");
537 fprintf_unfiltered (stream, "VAL(");
538 type_print (exp->elts[pc + 1].type, "", stream, 0);
539 fprintf_unfiltered (stream, ",");
540 print_subexp (exp, pos, stream, PREC_PREFIX);
541 fprintf_unfiltered (stream, ")");
546 LONGEST count = exp->elts[pc + 1].longconst;
550 fputs_unfiltered ("TypesInstance(", stream);
553 type_print (exp->elts[(*pos)++].type, "", stream, 0);
555 fputs_unfiltered (",", stream);
557 fputs_unfiltered (",", stream);
558 /* Ending COUNT and ending TYPE_INSTANCE. */
560 print_subexp (exp, pos, stream, PREC_PREFIX);
561 fputs_unfiltered (")", stream);
567 enum range_type range_type;
569 range_type = (enum range_type)
570 longest_to_int (exp->elts[pc + 1].longconst);
573 fputs_filtered ("RANGE(", stream);
574 if (range_type == HIGH_BOUND_DEFAULT
575 || range_type == NONE_BOUND_DEFAULT)
576 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
577 fputs_filtered ("..", stream);
578 if (range_type == LOW_BOUND_DEFAULT
579 || range_type == NONE_BOUND_DEFAULT)
580 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
581 fputs_filtered (")", stream);
589 for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
590 if (op_print_tab[tem].opcode == opcode)
592 op_str = op_print_tab[tem].string;
593 myprec = op_print_tab[tem].precedence;
594 assoc = op_print_tab[tem].right_assoc;
597 if (op_print_tab[tem].opcode != opcode)
598 /* Not found; don't try to keep going because we don't know how
599 to interpret further elements. For example, this happens
600 if opcode is OP_TYPE. */
601 error (_("Invalid expression"));
604 /* Note that PREC_BUILTIN will always emit parentheses. */
605 if ((int) myprec < (int) prec)
606 fputs_filtered ("(", stream);
607 if ((int) opcode > (int) BINOP_END)
611 /* Unary postfix operator. */
612 print_subexp (exp, pos, stream, PREC_SUFFIX);
613 fputs_filtered (op_str, stream);
617 /* Unary prefix operator. */
618 fputs_filtered (op_str, stream);
619 if (myprec == PREC_BUILTIN_FUNCTION)
620 fputs_filtered ("(", stream);
621 print_subexp (exp, pos, stream, PREC_PREFIX);
622 if (myprec == PREC_BUILTIN_FUNCTION)
623 fputs_filtered (")", stream);
628 /* Binary operator. */
629 /* Print left operand.
630 If operator is right-associative,
631 increment precedence for this operand. */
632 print_subexp (exp, pos, stream,
633 (enum precedence) ((int) myprec + assoc));
634 /* Print the operator itself. */
636 fprintf_filtered (stream, " %s= ", op_str);
637 else if (op_str[0] == ',')
638 fprintf_filtered (stream, "%s ", op_str);
640 fprintf_filtered (stream, " %s ", op_str);
641 /* Print right operand.
642 If operator is left-associative,
643 increment precedence for this operand. */
644 print_subexp (exp, pos, stream,
645 (enum precedence) ((int) myprec + !assoc));
648 if ((int) myprec < (int) prec)
649 fputs_filtered (")", stream);
652 /* Return the operator corresponding to opcode OP as
653 a string. NULL indicates that the opcode was not found in the
654 current language table. */
656 op_string (enum exp_opcode op)
659 const struct op_print *op_print_tab;
661 op_print_tab = current_language->la_op_print_tab;
662 for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
663 if (op_print_tab[tem].opcode == op)
664 return op_print_tab[tem].string;
668 /* Support for dumping the raw data from expressions in a human readable
671 static int dump_subexp_body (struct expression *exp, struct ui_file *, int);
673 /* Name for OPCODE, when it appears in expression EXP. */
676 op_name (struct expression *exp, enum exp_opcode opcode)
678 return exp->language_defn->la_exp_desc->op_name (opcode);
681 /* Default name for the standard operator OPCODE (i.e., one defined in
682 the definition of enum exp_opcode). */
685 op_name_standard (enum exp_opcode opcode)
693 xsnprintf (buf, sizeof (buf), "<unknown %d>", opcode);
699 #include "std-operator.def"
704 /* Print a raw dump of expression EXP to STREAM.
705 NOTE, if non-NULL, is printed as extra explanatory text. */
708 dump_raw_expression (struct expression *exp, struct ui_file *stream,
715 fprintf_filtered (stream, "Dump of expression @ ");
716 gdb_print_host_address (exp, stream);
718 fprintf_filtered (stream, ", %s:", note);
719 fprintf_filtered (stream, "\n\tLanguage %s, %d elements, %ld bytes each.\n",
720 exp->language_defn->la_name, exp->nelts,
721 (long) sizeof (union exp_element));
722 fprintf_filtered (stream, "\t%5s %20s %16s %s\n", "Index", "Opcode",
723 "Hex Value", "String Value");
724 for (elt = 0; elt < exp->nelts; elt++)
726 fprintf_filtered (stream, "\t%5d ", elt);
728 const char *opcode_name = op_name (exp, exp->elts[elt].opcode);
729 fprintf_filtered (stream, "%20s ", opcode_name);
731 print_longest (stream, 'd', 0, exp->elts[elt].longconst);
732 fprintf_filtered (stream, " ");
734 for (eltscan = (char *) &exp->elts[elt],
735 eltsize = sizeof (union exp_element);
739 fprintf_filtered (stream, "%c",
740 isprint (*eltscan) ? (*eltscan & 0xFF) : '.');
742 fprintf_filtered (stream, "\n");
746 /* Dump the subexpression of prefix expression EXP whose operator is at
747 position ELT onto STREAM. Returns the position of the next
748 subexpression in EXP. */
751 dump_subexp (struct expression *exp, struct ui_file *stream, int elt)
753 static int indent = 0;
756 fprintf_filtered (stream, "\n");
757 fprintf_filtered (stream, "\t%5d ", elt);
759 for (i = 1; i <= indent; i++)
760 fprintf_filtered (stream, " ");
763 fprintf_filtered (stream, "%-20s ", op_name (exp, exp->elts[elt].opcode));
765 elt = dump_subexp_body (exp, stream, elt);
772 /* Dump the operands of prefix expression EXP whose opcode is at
773 position ELT onto STREAM. Returns the position of the next
774 subexpression in EXP. */
777 dump_subexp_body (struct expression *exp, struct ui_file *stream, int elt)
779 return exp->language_defn->la_exp_desc->dump_subexp_body (exp, stream, elt);
782 /* Default value for subexp_body in exp_descriptor vector. */
785 dump_subexp_body_standard (struct expression *exp,
786 struct ui_file *stream, int elt)
788 int opcode = exp->elts[elt++].opcode;
794 elt = dump_subexp (exp, stream, elt);
804 case BINOP_LOGICAL_AND:
805 case BINOP_LOGICAL_OR:
806 case BINOP_BITWISE_AND:
807 case BINOP_BITWISE_IOR:
808 case BINOP_BITWISE_XOR:
818 case BINOP_SUBSCRIPT:
823 case BINOP_ASSIGN_MODIFY:
827 case STRUCTOP_MEMBER:
829 elt = dump_subexp (exp, stream, elt);
832 case UNOP_LOGICAL_NOT:
833 case UNOP_COMPLEMENT:
836 case UNOP_PREINCREMENT:
837 case UNOP_POSTINCREMENT:
838 case UNOP_PREDECREMENT:
839 case UNOP_POSTDECREMENT:
852 elt = dump_subexp (exp, stream, elt);
855 fprintf_filtered (stream, "Type @");
856 gdb_print_host_address (exp->elts[elt].type, stream);
857 fprintf_filtered (stream, " (");
858 type_print (exp->elts[elt].type, NULL, stream, 0);
859 fprintf_filtered (stream, "), value %ld (0x%lx)",
860 (long) exp->elts[elt + 1].longconst,
861 (long) exp->elts[elt + 1].longconst);
865 fprintf_filtered (stream, "Type @");
866 gdb_print_host_address (exp->elts[elt].type, stream);
867 fprintf_filtered (stream, " (");
868 type_print (exp->elts[elt].type, NULL, stream, 0);
869 fprintf_filtered (stream, "), value %g",
870 (double) exp->elts[elt + 1].doubleconst);
874 fprintf_filtered (stream, "Block @");
875 gdb_print_host_address (exp->elts[elt].block, stream);
876 fprintf_filtered (stream, ", symbol @");
877 gdb_print_host_address (exp->elts[elt + 1].symbol, stream);
878 fprintf_filtered (stream, " (%s)",
879 SYMBOL_PRINT_NAME (exp->elts[elt + 1].symbol));
882 case OP_VAR_MSYM_VALUE:
883 fprintf_filtered (stream, "Objfile @");
884 gdb_print_host_address (exp->elts[elt].objfile, stream);
885 fprintf_filtered (stream, ", msymbol @");
886 gdb_print_host_address (exp->elts[elt + 1].msymbol, stream);
887 fprintf_filtered (stream, " (%s)",
888 MSYMBOL_PRINT_NAME (exp->elts[elt + 1].msymbol));
891 case OP_VAR_ENTRY_VALUE:
892 fprintf_filtered (stream, "Entry value of symbol @");
893 gdb_print_host_address (exp->elts[elt].symbol, stream);
894 fprintf_filtered (stream, " (%s)",
895 SYMBOL_PRINT_NAME (exp->elts[elt].symbol));
899 fprintf_filtered (stream, "History element %ld",
900 (long) exp->elts[elt].longconst);
904 fprintf_filtered (stream, "Register $%s", &exp->elts[elt + 1].string);
905 elt += 3 + BYTES_TO_EXP_ELEM (exp->elts[elt].longconst + 1);
908 fprintf_filtered (stream, "Internal var @");
909 gdb_print_host_address (exp->elts[elt].internalvar, stream);
910 fprintf_filtered (stream, " (%s)",
911 internalvar_name (exp->elts[elt].internalvar));
918 nargs = longest_to_int (exp->elts[elt].longconst);
920 fprintf_filtered (stream, "Number of args: %d", nargs);
923 for (i = 1; i <= nargs + 1; i++)
924 elt = dump_subexp (exp, stream, elt);
932 lower = longest_to_int (exp->elts[elt].longconst);
933 upper = longest_to_int (exp->elts[elt + 1].longconst);
935 fprintf_filtered (stream, "Bounds [%d:%d]", lower, upper);
938 for (i = 1; i <= upper - lower + 1; i++)
939 elt = dump_subexp (exp, stream, elt);
942 case UNOP_DYNAMIC_CAST:
943 case UNOP_REINTERPRET_CAST:
945 case UNOP_MEMVAL_TYPE:
946 fprintf_filtered (stream, " (");
947 elt = dump_subexp (exp, stream, elt);
948 fprintf_filtered (stream, ")");
949 elt = dump_subexp (exp, stream, elt);
953 fprintf_filtered (stream, "Type @");
954 gdb_print_host_address (exp->elts[elt].type, stream);
955 fprintf_filtered (stream, " (");
956 type_print (exp->elts[elt].type, NULL, stream, 0);
957 fprintf_filtered (stream, ")");
958 elt = dump_subexp (exp, stream, elt + 2);
961 fprintf_filtered (stream, "Type @");
962 gdb_print_host_address (exp->elts[elt].type, stream);
963 fprintf_filtered (stream, " (");
964 type_print (exp->elts[elt].type, NULL, stream, 0);
965 fprintf_filtered (stream, ")");
970 fprintf_filtered (stream, "Typeof (");
971 elt = dump_subexp (exp, stream, elt);
972 fprintf_filtered (stream, ")");
975 fprintf_filtered (stream, "typeid (");
976 elt = dump_subexp (exp, stream, elt);
977 fprintf_filtered (stream, ")");
979 case STRUCTOP_STRUCT:
985 len = longest_to_int (exp->elts[elt].longconst);
986 elem_name = &exp->elts[elt + 1].string;
988 fprintf_filtered (stream, "Element name: `%.*s'", len, elem_name);
989 elt = dump_subexp (exp, stream, elt + 3 + BYTES_TO_EXP_ELEM (len + 1));
997 fprintf_filtered (stream, "Type @");
998 gdb_print_host_address (exp->elts[elt].type, stream);
999 fprintf_filtered (stream, " (");
1000 type_print (exp->elts[elt].type, NULL, stream, 0);
1001 fprintf_filtered (stream, ") ");
1003 len = longest_to_int (exp->elts[elt + 1].longconst);
1004 elem_name = &exp->elts[elt + 2].string;
1006 fprintf_filtered (stream, "Field name: `%.*s'", len, elem_name);
1007 elt += 4 + BYTES_TO_EXP_ELEM (len + 1);
1011 case OP_FUNC_STATIC_VAR:
1013 int len = longest_to_int (exp->elts[elt].longconst);
1014 const char *var_name = &exp->elts[elt + 1].string;
1015 fprintf_filtered (stream, "Field name: `%.*s'", len, var_name);
1016 elt += 3 + BYTES_TO_EXP_ELEM (len + 1);
1024 len = exp->elts[elt++].longconst;
1025 fprintf_filtered (stream, "%s TypeInstance: ", plongest (len));
1028 fprintf_filtered (stream, "Type @");
1029 gdb_print_host_address (exp->elts[elt].type, stream);
1030 fprintf_filtered (stream, " (");
1031 type_print (exp->elts[elt].type, NULL, stream, 0);
1032 fprintf_filtered (stream, ")");
1035 fputs_filtered (", ", stream);
1037 /* Ending LEN and ending TYPE_INSTANCE. */
1039 elt = dump_subexp (exp, stream, elt);
1044 LONGEST len = exp->elts[elt].longconst;
1045 LONGEST type = exp->elts[elt + 1].longconst;
1047 fprintf_filtered (stream, "Language-specific string type: %s",
1053 /* Skip string content. */
1054 elt += BYTES_TO_EXP_ELEM (len);
1056 /* Skip length and ending OP_STRING. */
1062 enum range_type range_type;
1064 range_type = (enum range_type)
1065 longest_to_int (exp->elts[elt].longconst);
1070 case BOTH_BOUND_DEFAULT:
1071 fputs_filtered ("Range '..'", stream);
1073 case LOW_BOUND_DEFAULT:
1074 fputs_filtered ("Range '..EXP'", stream);
1076 case HIGH_BOUND_DEFAULT:
1077 fputs_filtered ("Range 'EXP..'", stream);
1079 case NONE_BOUND_DEFAULT:
1080 fputs_filtered ("Range 'EXP..EXP'", stream);
1083 fputs_filtered ("Invalid Range!", stream);
1087 if (range_type == HIGH_BOUND_DEFAULT
1088 || range_type == NONE_BOUND_DEFAULT)
1089 elt = dump_subexp (exp, stream, elt);
1090 if (range_type == LOW_BOUND_DEFAULT
1091 || range_type == NONE_BOUND_DEFAULT)
1092 elt = dump_subexp (exp, stream, elt);
1098 case MULTI_SUBSCRIPT:
1099 case OP_F77_UNDETERMINED_ARGLIST:
1105 fprintf_filtered (stream, "Unknown format");
1112 dump_prefix_expression (struct expression *exp, struct ui_file *stream)
1116 fprintf_filtered (stream, "Dump of expression @ ");
1117 gdb_print_host_address (exp, stream);
1118 fputs_filtered (", after conversion to prefix form:\nExpression: `", stream);
1119 print_expression (exp, stream);
1120 fprintf_filtered (stream, "'\n\tLanguage %s, %d elements, %ld bytes each.\n",
1121 exp->language_defn->la_name, exp->nelts,
1122 (long) sizeof (union exp_element));
1123 fputs_filtered ("\n", stream);
1125 for (elt = 0; elt < exp->nelts;)
1126 elt = dump_subexp (exp, stream, elt);
1127 fputs_filtered ("\n", stream);