1 /* Print in infix form a struct expression.
3 Copyright (C) 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
4 1998, 1999, 2000, 2003, 2007, 2008, 2009, 2010, 2011
5 Free Software Foundation, Inc.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 #include "expression.h"
28 #include "parser-defs.h"
29 #include "user-regs.h" /* For user_reg_map_regnum_to_name. */
31 #include "gdb_string.h"
34 #include "gdb_assert.h"
42 print_expression (struct expression *exp, struct ui_file *stream)
46 print_subexp (exp, &pc, stream, PREC_NULL);
49 /* Print the subexpression of EXP that starts in position POS, on STREAM.
50 PREC is the precedence of the surrounding operator;
51 if the precedence of the main operator of this subexpression is less,
52 parentheses are needed here. */
55 print_subexp (struct expression *exp, int *pos,
56 struct ui_file *stream, enum precedence prec)
58 exp->language_defn->la_exp_desc->print_subexp (exp, pos, stream, prec);
61 /* Standard implementation of print_subexp for use in language_defn
64 print_subexp_standard (struct expression *exp, int *pos,
65 struct ui_file *stream, enum precedence prec)
68 const struct op_print *op_print_tab;
72 int assign_modify = 0;
73 enum exp_opcode opcode;
74 enum precedence myprec = PREC_NULL;
75 /* Set to 1 for a right-associative operator. */
80 op_print_tab = exp->language_defn->la_op_print_tab;
82 opcode = exp->elts[pc].opcode;
90 fputs_filtered (type_name_no_tag (exp->elts[pc + 1].type), stream);
91 fputs_filtered ("::", stream);
92 nargs = longest_to_int (exp->elts[pc + 2].longconst);
93 (*pos) += 4 + BYTES_TO_EXP_ELEM (nargs + 1);
94 fputs_filtered (&exp->elts[pc + 3].string, stream);
99 struct value_print_options opts;
101 get_raw_print_options (&opts);
103 value_print (value_from_longest (exp->elts[pc + 1].type,
104 exp->elts[pc + 2].longconst),
111 struct value_print_options opts;
113 get_raw_print_options (&opts);
115 value_print (value_from_double (exp->elts[pc + 1].type,
116 exp->elts[pc + 2].doubleconst),
126 b = exp->elts[pc + 1].block;
128 && BLOCK_FUNCTION (b) != NULL
129 && SYMBOL_PRINT_NAME (BLOCK_FUNCTION (b)) != NULL)
131 fputs_filtered (SYMBOL_PRINT_NAME (BLOCK_FUNCTION (b)), stream);
132 fputs_filtered ("::", stream);
134 fputs_filtered (SYMBOL_PRINT_NAME (exp->elts[pc + 2].symbol), stream);
138 case OP_VAR_ENTRY_VALUE:
143 fprintf_filtered (stream, "%s@entry",
144 SYMBOL_PRINT_NAME (exp->elts[pc + 1].symbol));
150 fprintf_filtered (stream, "$%d",
151 longest_to_int (exp->elts[pc + 1].longconst));
156 const char *name = &exp->elts[pc + 2].string;
158 (*pos) += 3 + BYTES_TO_EXP_ELEM (exp->elts[pc + 1].longconst + 1);
159 fprintf_filtered (stream, "$%s", name);
165 fprintf_filtered (stream, "%s",
166 longest_to_int (exp->elts[pc + 1].longconst)
172 fprintf_filtered (stream, "$%s",
173 internalvar_name (exp->elts[pc + 1].internalvar));
178 nargs = longest_to_int (exp->elts[pc + 1].longconst);
179 print_subexp (exp, pos, stream, PREC_SUFFIX);
180 fputs_filtered (" (", stream);
181 for (tem = 0; tem < nargs; tem++)
184 fputs_filtered (", ", stream);
185 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
187 fputs_filtered (")", stream);
191 nargs = longest_to_int (exp->elts[pc + 1].longconst);
192 (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
193 fputs_filtered (&exp->elts[pc + 2].string, stream);
198 struct value_print_options opts;
200 nargs = longest_to_int (exp->elts[pc + 1].longconst);
201 (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
202 /* LA_PRINT_STRING will print using the current repeat count threshold.
203 If necessary, we can temporarily set it to zero, or pass it as an
204 additional parameter to LA_PRINT_STRING. -fnf */
205 get_user_print_options (&opts);
206 LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
207 &exp->elts[pc + 2].string, nargs, NULL, 0, &opts);
212 nargs = longest_to_int (exp->elts[pc + 1].longconst);
214 += 3 + BYTES_TO_EXP_ELEM ((nargs + HOST_CHAR_BIT - 1) / HOST_CHAR_BIT);
215 fprintf_unfiltered (stream, "B'<unimplemented>'");
218 case OP_OBJC_NSSTRING: /* Objective-C Foundation Class
219 NSString constant. */
221 struct value_print_options opts;
223 nargs = longest_to_int (exp->elts[pc + 1].longconst);
224 (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
225 fputs_filtered ("@\"", stream);
226 get_user_print_options (&opts);
227 LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
228 &exp->elts[pc + 2].string, nargs, NULL, 0, &opts);
229 fputs_filtered ("\"", stream);
233 case OP_OBJC_MSGCALL:
234 { /* Objective C message (method) call. */
238 nargs = longest_to_int (exp->elts[pc + 2].longconst);
239 fprintf_unfiltered (stream, "[");
240 print_subexp (exp, pos, stream, PREC_SUFFIX);
241 if (0 == target_read_string (exp->elts[pc + 1].longconst,
242 &selector, 1024, NULL))
244 error (_("bad selector"));
251 s = alloca (strlen (selector) + 1);
252 strcpy (s, selector);
253 for (tem = 0; tem < nargs; tem++)
255 nextS = strchr (s, ':');
256 gdb_assert (nextS); /* Make sure we found ':'. */
258 fprintf_unfiltered (stream, " %s: ", s);
260 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
265 fprintf_unfiltered (stream, " %s", selector);
267 fprintf_unfiltered (stream, "]");
268 /* "selector" was malloc'd by target_read_string. Free it. */
275 nargs = longest_to_int (exp->elts[pc + 2].longconst);
276 nargs -= longest_to_int (exp->elts[pc + 1].longconst);
279 if (exp->elts[pc + 4].opcode == OP_LONG
280 && exp->elts[pc + 5].type
281 == builtin_type (exp->gdbarch)->builtin_char
282 && exp->language_defn->la_language == language_c)
284 /* Attempt to print C character arrays using string syntax.
285 Walk through the args, picking up one character from each
286 of the OP_LONG expression elements. If any array element
287 does not match our expection of what we should find for
288 a simple string, revert back to array printing. Note that
289 the last expression element is an explicit null terminator
290 byte, which doesn't get printed. */
291 tempstr = alloca (nargs);
295 if (exp->elts[pc].opcode != OP_LONG
296 || exp->elts[pc + 1].type
297 != builtin_type (exp->gdbarch)->builtin_char)
299 /* Not a simple array of char, use regular array
307 longest_to_int (exp->elts[pc + 2].longconst);
314 struct value_print_options opts;
316 get_user_print_options (&opts);
317 LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
318 tempstr, nargs - 1, NULL, 0, &opts);
323 fputs_filtered (" {", stream);
324 for (tem = 0; tem < nargs; tem++)
328 fputs_filtered (", ", stream);
330 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
332 fputs_filtered ("}", stream);
337 tem = longest_to_int (exp->elts[pc + 1].longconst);
338 (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
339 /* Gcc support both these syntaxes. Unsure which is preferred. */
341 fputs_filtered (&exp->elts[pc + 2].string, stream);
342 fputs_filtered (": ", stream);
344 fputs_filtered (".", stream);
345 fputs_filtered (&exp->elts[pc + 2].string, stream);
346 fputs_filtered ("=", stream);
348 print_subexp (exp, pos, stream, PREC_SUFFIX);
352 if ((int) prec > (int) PREC_COMMA)
353 fputs_filtered ("(", stream);
354 /* Print the subexpressions, forcing parentheses
355 around any binary operations within them.
356 This is more parentheses than are strictly necessary,
357 but it looks clearer. */
358 print_subexp (exp, pos, stream, PREC_HYPER);
359 fputs_filtered (" ? ", stream);
360 print_subexp (exp, pos, stream, PREC_HYPER);
361 fputs_filtered (" : ", stream);
362 print_subexp (exp, pos, stream, PREC_HYPER);
363 if ((int) prec > (int) PREC_COMMA)
364 fputs_filtered (")", stream);
368 case TERNOP_SLICE_COUNT:
369 print_subexp (exp, pos, stream, PREC_SUFFIX);
370 fputs_filtered ("(", stream);
371 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
372 fputs_filtered (opcode == TERNOP_SLICE ? " : " : " UP ", stream);
373 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
374 fputs_filtered (")", stream);
377 case STRUCTOP_STRUCT:
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 /* Will not occur for Modula-2. */
387 tem = longest_to_int (exp->elts[pc + 1].longconst);
388 (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
389 print_subexp (exp, pos, stream, PREC_SUFFIX);
390 fputs_filtered ("->", stream);
391 fputs_filtered (&exp->elts[pc + 2].string, stream);
394 case STRUCTOP_MEMBER:
395 print_subexp (exp, pos, stream, PREC_SUFFIX);
396 fputs_filtered (".*", stream);
397 print_subexp (exp, pos, stream, PREC_SUFFIX);
401 print_subexp (exp, pos, stream, PREC_SUFFIX);
402 fputs_filtered ("->*", stream);
403 print_subexp (exp, pos, stream, PREC_SUFFIX);
406 case BINOP_SUBSCRIPT:
407 print_subexp (exp, pos, stream, PREC_SUFFIX);
408 fputs_filtered ("[", stream);
409 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
410 fputs_filtered ("]", stream);
413 case UNOP_POSTINCREMENT:
414 print_subexp (exp, pos, stream, PREC_SUFFIX);
415 fputs_filtered ("++", stream);
418 case UNOP_POSTDECREMENT:
419 print_subexp (exp, pos, stream, PREC_SUFFIX);
420 fputs_filtered ("--", stream);
425 if ((int) prec > (int) PREC_PREFIX)
426 fputs_filtered ("(", stream);
427 fputs_filtered ("(", stream);
428 type_print (exp->elts[pc + 1].type, "", stream, 0);
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);
441 type_print (exp->elts[pc + 1].type, "", stream, 0);
442 fputs_filtered ("> (", stream);
443 print_subexp (exp, pos, stream, PREC_PREFIX);
444 fputs_filtered (")", stream);
449 if ((int) prec > (int) PREC_PREFIX)
450 fputs_filtered ("(", stream);
451 if (TYPE_CODE (exp->elts[pc + 1].type) == TYPE_CODE_FUNC
452 && exp->elts[pc + 3].opcode == OP_LONG)
454 struct value_print_options opts;
456 /* We have a minimal symbol fn, probably. It's encoded
457 as a UNOP_MEMVAL (function-type) of an OP_LONG (int, address).
458 Swallow the OP_LONG (including both its opcodes); ignore
459 its type; print the value in the type of the MEMVAL. */
461 val = value_at_lazy (exp->elts[pc + 1].type,
462 (CORE_ADDR) exp->elts[pc + 5].longconst);
463 get_raw_print_options (&opts);
464 value_print (val, stream, &opts);
468 fputs_filtered ("{", stream);
469 type_print (exp->elts[pc + 1].type, "", stream, 0);
470 fputs_filtered ("} ", stream);
471 print_subexp (exp, pos, stream, PREC_PREFIX);
473 if ((int) prec > (int) PREC_PREFIX)
474 fputs_filtered (")", stream);
477 case UNOP_MEMVAL_TLS:
479 if ((int) prec > (int) PREC_PREFIX)
480 fputs_filtered ("(", stream);
481 fputs_filtered ("{", stream);
482 type_print (exp->elts[pc + 2].type, "", stream, 0);
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);
569 for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
570 if (op_print_tab[tem].opcode == opcode)
572 op_str = op_print_tab[tem].string;
573 myprec = op_print_tab[tem].precedence;
574 assoc = op_print_tab[tem].right_assoc;
577 if (op_print_tab[tem].opcode != opcode)
578 /* Not found; don't try to keep going because we don't know how
579 to interpret further elements. For example, this happens
580 if opcode is OP_TYPE. */
581 error (_("Invalid expression"));
584 /* Note that PREC_BUILTIN will always emit parentheses. */
585 if ((int) myprec < (int) prec)
586 fputs_filtered ("(", stream);
587 if ((int) opcode > (int) BINOP_END)
591 /* Unary postfix operator. */
592 print_subexp (exp, pos, stream, PREC_SUFFIX);
593 fputs_filtered (op_str, stream);
597 /* Unary prefix operator. */
598 fputs_filtered (op_str, stream);
599 if (myprec == PREC_BUILTIN_FUNCTION)
600 fputs_filtered ("(", stream);
601 print_subexp (exp, pos, stream, PREC_PREFIX);
602 if (myprec == PREC_BUILTIN_FUNCTION)
603 fputs_filtered (")", stream);
608 /* Binary operator. */
609 /* Print left operand.
610 If operator is right-associative,
611 increment precedence for this operand. */
612 print_subexp (exp, pos, stream,
613 (enum precedence) ((int) myprec + assoc));
614 /* Print the operator itself. */
616 fprintf_filtered (stream, " %s= ", op_str);
617 else if (op_str[0] == ',')
618 fprintf_filtered (stream, "%s ", op_str);
620 fprintf_filtered (stream, " %s ", op_str);
621 /* Print right operand.
622 If operator is left-associative,
623 increment precedence for this operand. */
624 print_subexp (exp, pos, stream,
625 (enum precedence) ((int) myprec + !assoc));
628 if ((int) myprec < (int) prec)
629 fputs_filtered (")", stream);
632 /* Return the operator corresponding to opcode OP as
633 a string. NULL indicates that the opcode was not found in the
634 current language table. */
636 op_string (enum exp_opcode op)
639 const struct op_print *op_print_tab;
641 op_print_tab = current_language->la_op_print_tab;
642 for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
643 if (op_print_tab[tem].opcode == op)
644 return op_print_tab[tem].string;
648 /* Support for dumping the raw data from expressions in a human readable
651 static char *op_name (struct expression *, enum exp_opcode);
652 static int dump_subexp_body (struct expression *exp, struct ui_file *, int);
654 /* Name for OPCODE, when it appears in expression EXP. */
657 op_name (struct expression *exp, enum exp_opcode opcode)
659 return exp->language_defn->la_exp_desc->op_name (opcode);
662 /* Default name for the standard operator OPCODE (i.e., one defined in
663 the definition of enum exp_opcode). */
666 op_name_standard (enum exp_opcode opcode)
674 sprintf (buf, "<unknown %d>", opcode);
680 #include "std-operator.def"
685 /* Print a raw dump of expression EXP to STREAM.
686 NOTE, if non-NULL, is printed as extra explanatory text. */
689 dump_raw_expression (struct expression *exp, struct ui_file *stream,
697 fprintf_filtered (stream, "Dump of expression @ ");
698 gdb_print_host_address (exp, stream);
700 fprintf_filtered (stream, ", %s:", note);
701 fprintf_filtered (stream, "\n\tLanguage %s, %d elements, %ld bytes each.\n",
702 exp->language_defn->la_name, exp->nelts,
703 (long) sizeof (union exp_element));
704 fprintf_filtered (stream, "\t%5s %20s %16s %s\n", "Index", "Opcode",
705 "Hex Value", "String Value");
706 for (elt = 0; elt < exp->nelts; elt++)
708 fprintf_filtered (stream, "\t%5d ", elt);
709 opcode_name = op_name (exp, exp->elts[elt].opcode);
711 fprintf_filtered (stream, "%20s ", opcode_name);
712 print_longest (stream, 'd', 0, exp->elts[elt].longconst);
713 fprintf_filtered (stream, " ");
715 for (eltscan = (char *) &exp->elts[elt],
716 eltsize = sizeof (union exp_element);
720 fprintf_filtered (stream, "%c",
721 isprint (*eltscan) ? (*eltscan & 0xFF) : '.');
723 fprintf_filtered (stream, "\n");
727 /* Dump the subexpression of prefix expression EXP whose operator is at
728 position ELT onto STREAM. Returns the position of the next
729 subexpression in EXP. */
732 dump_subexp (struct expression *exp, struct ui_file *stream, int elt)
734 static int indent = 0;
737 fprintf_filtered (stream, "\n");
738 fprintf_filtered (stream, "\t%5d ", elt);
740 for (i = 1; i <= indent; i++)
741 fprintf_filtered (stream, " ");
744 fprintf_filtered (stream, "%-20s ", op_name (exp, exp->elts[elt].opcode));
746 elt = dump_subexp_body (exp, stream, elt);
753 /* Dump the operands of prefix expression EXP whose opcode is at
754 position ELT onto STREAM. Returns the position of the next
755 subexpression in EXP. */
758 dump_subexp_body (struct expression *exp, struct ui_file *stream, int elt)
760 return exp->language_defn->la_exp_desc->dump_subexp_body (exp, stream, elt);
763 /* Default value for subexp_body in exp_descriptor vector. */
766 dump_subexp_body_standard (struct expression *exp,
767 struct ui_file *stream, int elt)
769 int opcode = exp->elts[elt++].opcode;
775 case TERNOP_SLICE_COUNT:
776 elt = dump_subexp (exp, stream, elt);
786 case BINOP_LOGICAL_AND:
787 case BINOP_LOGICAL_OR:
788 case BINOP_BITWISE_AND:
789 case BINOP_BITWISE_IOR:
790 case BINOP_BITWISE_XOR:
800 case BINOP_SUBSCRIPT:
805 case BINOP_ASSIGN_MODIFY:
811 case STRUCTOP_MEMBER:
813 elt = dump_subexp (exp, stream, elt);
816 case UNOP_LOGICAL_NOT:
817 case UNOP_COMPLEMENT:
820 case UNOP_PREINCREMENT:
821 case UNOP_POSTINCREMENT:
822 case UNOP_PREDECREMENT:
823 case UNOP_POSTDECREMENT:
836 elt = dump_subexp (exp, stream, elt);
839 fprintf_filtered (stream, "Type @");
840 gdb_print_host_address (exp->elts[elt].type, stream);
841 fprintf_filtered (stream, " (");
842 type_print (exp->elts[elt].type, NULL, stream, 0);
843 fprintf_filtered (stream, "), value %ld (0x%lx)",
844 (long) exp->elts[elt + 1].longconst,
845 (long) exp->elts[elt + 1].longconst);
849 fprintf_filtered (stream, "Type @");
850 gdb_print_host_address (exp->elts[elt].type, stream);
851 fprintf_filtered (stream, " (");
852 type_print (exp->elts[elt].type, NULL, stream, 0);
853 fprintf_filtered (stream, "), value %g",
854 (double) exp->elts[elt + 1].doubleconst);
858 fprintf_filtered (stream, "Block @");
859 gdb_print_host_address (exp->elts[elt].block, stream);
860 fprintf_filtered (stream, ", symbol @");
861 gdb_print_host_address (exp->elts[elt + 1].symbol, stream);
862 fprintf_filtered (stream, " (%s)",
863 SYMBOL_PRINT_NAME (exp->elts[elt + 1].symbol));
866 case OP_VAR_ENTRY_VALUE:
867 fprintf_filtered (stream, "Entry value of symbol @");
868 gdb_print_host_address (exp->elts[elt].symbol, stream);
869 fprintf_filtered (stream, " (%s)",
870 SYMBOL_PRINT_NAME (exp->elts[elt].symbol));
874 fprintf_filtered (stream, "History element %ld",
875 (long) exp->elts[elt].longconst);
879 fprintf_filtered (stream, "Register $%s", &exp->elts[elt + 1].string);
880 elt += 3 + BYTES_TO_EXP_ELEM (exp->elts[elt].longconst + 1);
883 fprintf_filtered (stream, "Internal var @");
884 gdb_print_host_address (exp->elts[elt].internalvar, stream);
885 fprintf_filtered (stream, " (%s)",
886 internalvar_name (exp->elts[elt].internalvar));
893 nargs = longest_to_int (exp->elts[elt].longconst);
895 fprintf_filtered (stream, "Number of args: %d", nargs);
898 for (i = 1; i <= nargs + 1; i++)
899 elt = dump_subexp (exp, stream, elt);
907 lower = longest_to_int (exp->elts[elt].longconst);
908 upper = longest_to_int (exp->elts[elt + 1].longconst);
910 fprintf_filtered (stream, "Bounds [%d:%d]", lower, upper);
913 for (i = 1; i <= upper - lower + 1; i++)
914 elt = dump_subexp (exp, stream, elt);
919 case UNOP_DYNAMIC_CAST:
920 case UNOP_REINTERPRET_CAST:
921 fprintf_filtered (stream, "Type @");
922 gdb_print_host_address (exp->elts[elt].type, stream);
923 fprintf_filtered (stream, " (");
924 type_print (exp->elts[elt].type, NULL, stream, 0);
925 fprintf_filtered (stream, ")");
926 elt = dump_subexp (exp, stream, elt + 2);
928 case UNOP_MEMVAL_TLS:
929 fprintf_filtered (stream, "TLS type @");
930 gdb_print_host_address (exp->elts[elt + 1].type, stream);
931 fprintf_filtered (stream, " (__thread /* \"%s\" */ ",
932 (exp->elts[elt].objfile == NULL ? "(null)"
933 : exp->elts[elt].objfile->name));
934 type_print (exp->elts[elt + 1].type, NULL, stream, 0);
935 fprintf_filtered (stream, ")");
936 elt = dump_subexp (exp, stream, elt + 3);
939 fprintf_filtered (stream, "Type @");
940 gdb_print_host_address (exp->elts[elt].type, stream);
941 fprintf_filtered (stream, " (");
942 type_print (exp->elts[elt].type, NULL, stream, 0);
943 fprintf_filtered (stream, ")");
946 case STRUCTOP_STRUCT:
952 len = longest_to_int (exp->elts[elt].longconst);
953 elem_name = &exp->elts[elt + 1].string;
955 fprintf_filtered (stream, "Element name: `%.*s'", len, elem_name);
956 elt = dump_subexp (exp, stream, elt + 3 + BYTES_TO_EXP_ELEM (len + 1));
964 fprintf_filtered (stream, "Type @");
965 gdb_print_host_address (exp->elts[elt].type, stream);
966 fprintf_filtered (stream, " (");
967 type_print (exp->elts[elt].type, NULL, stream, 0);
968 fprintf_filtered (stream, ") ");
970 len = longest_to_int (exp->elts[elt + 1].longconst);
971 elem_name = &exp->elts[elt + 2].string;
973 fprintf_filtered (stream, "Field name: `%.*s'", len, elem_name);
974 elt += 4 + BYTES_TO_EXP_ELEM (len + 1);
982 len = exp->elts[elt++].longconst;
983 fprintf_filtered (stream, "%s TypeInstance: ", plongest (len));
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, ")");
993 fputs_filtered (", ", stream);
995 /* Ending LEN and ending TYPE_INSTANCE. */
997 elt = dump_subexp (exp, stream, elt);
1002 case MULTI_SUBSCRIPT:
1003 case OP_F77_UNDETERMINED_ARGLIST:
1012 fprintf_filtered (stream, "Unknown format");
1019 dump_prefix_expression (struct expression *exp, struct ui_file *stream)
1023 fprintf_filtered (stream, "Dump of expression @ ");
1024 gdb_print_host_address (exp, stream);
1025 fputs_filtered (", after conversion to prefix form:\nExpression: `", stream);
1026 if (exp->elts[0].opcode != OP_TYPE)
1027 print_expression (exp, stream);
1029 fputs_filtered ("Type printing not yet supported....", stream);
1030 fprintf_filtered (stream, "'\n\tLanguage %s, %d elements, %ld bytes each.\n",
1031 exp->language_defn->la_name, exp->nelts,
1032 (long) sizeof (union exp_element));
1033 fputs_filtered ("\n", stream);
1035 for (elt = 0; elt < exp->nelts;)
1036 elt = dump_subexp (exp, stream, elt);
1037 fputs_filtered ("\n", stream);