1 /* Print in infix form a struct expression.
3 Copyright (C) 1986, 1988-1989, 1991-2000, 2003, 2007-2012 Free
4 Software Foundation, Inc.
6 This file is part of GDB.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
24 #include "expression.h"
27 #include "parser-defs.h"
28 #include "user-regs.h" /* For user_reg_map_regnum_to_name. */
30 #include "gdb_string.h"
33 #include "gdb_assert.h"
41 print_expression (struct expression
*exp
, struct ui_file
*stream
)
45 print_subexp (exp
, &pc
, stream
, PREC_NULL
);
48 /* Print the subexpression of EXP that starts in position POS, on STREAM.
49 PREC is the precedence of the surrounding operator;
50 if the precedence of the main operator of this subexpression is less,
51 parentheses are needed here. */
54 print_subexp (struct expression
*exp
, int *pos
,
55 struct ui_file
*stream
, enum precedence prec
)
57 exp
->language_defn
->la_exp_desc
->print_subexp (exp
, pos
, stream
, prec
);
60 /* Standard implementation of print_subexp for use in language_defn
63 print_subexp_standard (struct expression
*exp
, int *pos
,
64 struct ui_file
*stream
, enum precedence prec
)
67 const struct op_print
*op_print_tab
;
71 int assign_modify
= 0;
72 enum exp_opcode opcode
;
73 enum precedence myprec
= PREC_NULL
;
74 /* Set to 1 for a right-associative operator. */
79 op_print_tab
= exp
->language_defn
->la_op_print_tab
;
81 opcode
= exp
->elts
[pc
].opcode
;
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_raw_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_raw_print_options (&opts
);
114 value_print (value_from_double (exp
->elts
[pc
+ 1].type
,
115 exp
->elts
[pc
+ 2].doubleconst
),
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_ENTRY_VALUE
:
142 fprintf_filtered (stream
, "%s@entry",
143 SYMBOL_PRINT_NAME (exp
->elts
[pc
+ 1].symbol
));
149 fprintf_filtered (stream
, "$%d",
150 longest_to_int (exp
->elts
[pc
+ 1].longconst
));
155 const char *name
= &exp
->elts
[pc
+ 2].string
;
157 (*pos
) += 3 + BYTES_TO_EXP_ELEM (exp
->elts
[pc
+ 1].longconst
+ 1);
158 fprintf_filtered (stream
, "$%s", name
);
164 fprintf_filtered (stream
, "%s",
165 longest_to_int (exp
->elts
[pc
+ 1].longconst
)
171 fprintf_filtered (stream
, "$%s",
172 internalvar_name (exp
->elts
[pc
+ 1].internalvar
));
177 nargs
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
178 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
179 fputs_filtered (" (", stream
);
180 for (tem
= 0; tem
< nargs
; tem
++)
183 fputs_filtered (", ", stream
);
184 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
186 fputs_filtered (")", stream
);
190 nargs
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
191 (*pos
) += 3 + BYTES_TO_EXP_ELEM (nargs
+ 1);
192 fputs_filtered (&exp
->elts
[pc
+ 2].string
, stream
);
197 struct value_print_options opts
;
199 nargs
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
200 (*pos
) += 3 + BYTES_TO_EXP_ELEM (nargs
+ 1);
201 /* LA_PRINT_STRING will print using the current repeat count threshold.
202 If necessary, we can temporarily set it to zero, or pass it as an
203 additional parameter to LA_PRINT_STRING. -fnf */
204 get_user_print_options (&opts
);
205 LA_PRINT_STRING (stream
, builtin_type (exp
->gdbarch
)->builtin_char
,
206 &exp
->elts
[pc
+ 2].string
, nargs
, NULL
, 0, &opts
);
211 nargs
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
213 += 3 + BYTES_TO_EXP_ELEM ((nargs
+ HOST_CHAR_BIT
- 1) / HOST_CHAR_BIT
);
214 fprintf_unfiltered (stream
, "B'<unimplemented>'");
217 case OP_OBJC_NSSTRING
: /* Objective-C Foundation Class
218 NSString constant. */
220 struct value_print_options opts
;
222 nargs
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
223 (*pos
) += 3 + BYTES_TO_EXP_ELEM (nargs
+ 1);
224 fputs_filtered ("@\"", stream
);
225 get_user_print_options (&opts
);
226 LA_PRINT_STRING (stream
, builtin_type (exp
->gdbarch
)->builtin_char
,
227 &exp
->elts
[pc
+ 2].string
, nargs
, NULL
, 0, &opts
);
228 fputs_filtered ("\"", stream
);
232 case OP_OBJC_MSGCALL
:
233 { /* Objective C message (method) call. */
237 nargs
= longest_to_int (exp
->elts
[pc
+ 2].longconst
);
238 fprintf_unfiltered (stream
, "[");
239 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
240 if (0 == target_read_string (exp
->elts
[pc
+ 1].longconst
,
241 &selector
, 1024, NULL
))
243 error (_("bad selector"));
250 s
= alloca (strlen (selector
) + 1);
251 strcpy (s
, selector
);
252 for (tem
= 0; tem
< nargs
; tem
++)
254 nextS
= strchr (s
, ':');
255 gdb_assert (nextS
); /* Make sure we found ':'. */
257 fprintf_unfiltered (stream
, " %s: ", s
);
259 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
264 fprintf_unfiltered (stream
, " %s", selector
);
266 fprintf_unfiltered (stream
, "]");
267 /* "selector" was malloc'd by target_read_string. Free it. */
274 nargs
= longest_to_int (exp
->elts
[pc
+ 2].longconst
);
275 nargs
-= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
278 if (exp
->elts
[pc
+ 4].opcode
== OP_LONG
279 && exp
->elts
[pc
+ 5].type
280 == builtin_type (exp
->gdbarch
)->builtin_char
281 && exp
->language_defn
->la_language
== language_c
)
283 /* Attempt to print C character arrays using string syntax.
284 Walk through the args, picking up one character from each
285 of the OP_LONG expression elements. If any array element
286 does not match our expection of what we should find for
287 a simple string, revert back to array printing. Note that
288 the last expression element is an explicit null terminator
289 byte, which doesn't get printed. */
290 tempstr
= alloca (nargs
);
294 if (exp
->elts
[pc
].opcode
!= OP_LONG
295 || exp
->elts
[pc
+ 1].type
296 != builtin_type (exp
->gdbarch
)->builtin_char
)
298 /* Not a simple array of char, use regular array
306 longest_to_int (exp
->elts
[pc
+ 2].longconst
);
313 struct value_print_options opts
;
315 get_user_print_options (&opts
);
316 LA_PRINT_STRING (stream
, builtin_type (exp
->gdbarch
)->builtin_char
,
317 tempstr
, nargs
- 1, NULL
, 0, &opts
);
322 fputs_filtered (" {", stream
);
323 for (tem
= 0; tem
< nargs
; tem
++)
327 fputs_filtered (", ", stream
);
329 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
331 fputs_filtered ("}", stream
);
336 tem
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
337 (*pos
) += 3 + BYTES_TO_EXP_ELEM (tem
+ 1);
338 /* Gcc support both these syntaxes. Unsure which is preferred. */
340 fputs_filtered (&exp
->elts
[pc
+ 2].string
, stream
);
341 fputs_filtered (": ", stream
);
343 fputs_filtered (".", stream
);
344 fputs_filtered (&exp
->elts
[pc
+ 2].string
, stream
);
345 fputs_filtered ("=", stream
);
347 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
351 if ((int) prec
> (int) PREC_COMMA
)
352 fputs_filtered ("(", stream
);
353 /* Print the subexpressions, forcing parentheses
354 around any binary operations within them.
355 This is more parentheses than are strictly necessary,
356 but it looks clearer. */
357 print_subexp (exp
, pos
, stream
, PREC_HYPER
);
358 fputs_filtered (" ? ", stream
);
359 print_subexp (exp
, pos
, stream
, PREC_HYPER
);
360 fputs_filtered (" : ", stream
);
361 print_subexp (exp
, pos
, stream
, PREC_HYPER
);
362 if ((int) prec
> (int) PREC_COMMA
)
363 fputs_filtered (")", stream
);
367 case TERNOP_SLICE_COUNT
:
368 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
369 fputs_filtered ("(", stream
);
370 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
371 fputs_filtered (opcode
== TERNOP_SLICE
? " : " : " UP ", stream
);
372 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
373 fputs_filtered (")", stream
);
376 case STRUCTOP_STRUCT
:
377 tem
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
378 (*pos
) += 3 + BYTES_TO_EXP_ELEM (tem
+ 1);
379 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
380 fputs_filtered (".", stream
);
381 fputs_filtered (&exp
->elts
[pc
+ 2].string
, stream
);
384 /* Will not occur for Modula-2. */
386 tem
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
387 (*pos
) += 3 + BYTES_TO_EXP_ELEM (tem
+ 1);
388 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
389 fputs_filtered ("->", stream
);
390 fputs_filtered (&exp
->elts
[pc
+ 2].string
, stream
);
393 case STRUCTOP_MEMBER
:
394 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
395 fputs_filtered (".*", stream
);
396 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
400 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
401 fputs_filtered ("->*", stream
);
402 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
405 case BINOP_SUBSCRIPT
:
406 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
407 fputs_filtered ("[", stream
);
408 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
409 fputs_filtered ("]", stream
);
412 case UNOP_POSTINCREMENT
:
413 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
414 fputs_filtered ("++", stream
);
417 case UNOP_POSTDECREMENT
:
418 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
419 fputs_filtered ("--", stream
);
424 if ((int) prec
> (int) PREC_PREFIX
)
425 fputs_filtered ("(", stream
);
426 fputs_filtered ("(", stream
);
427 type_print (exp
->elts
[pc
+ 1].type
, "", stream
, 0);
428 fputs_filtered (") ", stream
);
429 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
430 if ((int) prec
> (int) PREC_PREFIX
)
431 fputs_filtered (")", stream
);
434 case UNOP_DYNAMIC_CAST
:
435 case UNOP_REINTERPRET_CAST
:
436 fputs_filtered (opcode
== UNOP_DYNAMIC_CAST
? "dynamic_cast"
437 : "reinterpret_cast", stream
);
438 fputs_filtered ("<", stream
);
440 type_print (exp
->elts
[pc
+ 1].type
, "", stream
, 0);
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_raw_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_TLS
:
478 if ((int) prec
> (int) PREC_PREFIX
)
479 fputs_filtered ("(", stream
);
480 fputs_filtered ("{", stream
);
481 type_print (exp
->elts
[pc
+ 2].type
, "", stream
, 0);
482 fputs_filtered ("} ", stream
);
483 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
484 if ((int) prec
> (int) PREC_PREFIX
)
485 fputs_filtered (")", stream
);
488 case BINOP_ASSIGN_MODIFY
:
489 opcode
= exp
->elts
[pc
+ 1].opcode
;
491 myprec
= PREC_ASSIGN
;
495 for (tem
= 0; op_print_tab
[tem
].opcode
!= OP_NULL
; tem
++)
496 if (op_print_tab
[tem
].opcode
== opcode
)
498 op_str
= op_print_tab
[tem
].string
;
501 if (op_print_tab
[tem
].opcode
!= opcode
)
502 /* Not found; don't try to keep going because we don't know how
503 to interpret further elements. */
504 error (_("Invalid expression"));
511 if (exp
->language_defn
->la_name_of_this
)
512 fputs_filtered (exp
->language_defn
->la_name_of_this
, stream
);
514 fprintf_filtered (stream
, _("<language %s has no 'this'>"),
515 exp
->language_defn
->la_name
);
520 case MULTI_SUBSCRIPT
:
522 nargs
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
523 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
524 fprintf_unfiltered (stream
, " [");
525 for (tem
= 0; tem
< nargs
; tem
++)
528 fprintf_unfiltered (stream
, ", ");
529 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
531 fprintf_unfiltered (stream
, "]");
536 fprintf_unfiltered (stream
, "VAL(");
537 type_print (exp
->elts
[pc
+ 1].type
, "", stream
, 0);
538 fprintf_unfiltered (stream
, ",");
539 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
540 fprintf_unfiltered (stream
, ")");
545 LONGEST count
= exp
->elts
[pc
+ 1].longconst
;
549 fputs_unfiltered ("TypesInstance(", stream
);
552 type_print (exp
->elts
[(*pos
)++].type
, "", stream
, 0);
554 fputs_unfiltered (",", stream
);
556 fputs_unfiltered (",", stream
);
557 /* Ending COUNT and ending TYPE_INSTANCE. */
559 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
560 fputs_unfiltered (")", stream
);
568 for (tem
= 0; op_print_tab
[tem
].opcode
!= OP_NULL
; tem
++)
569 if (op_print_tab
[tem
].opcode
== opcode
)
571 op_str
= op_print_tab
[tem
].string
;
572 myprec
= op_print_tab
[tem
].precedence
;
573 assoc
= op_print_tab
[tem
].right_assoc
;
576 if (op_print_tab
[tem
].opcode
!= opcode
)
577 /* Not found; don't try to keep going because we don't know how
578 to interpret further elements. For example, this happens
579 if opcode is OP_TYPE. */
580 error (_("Invalid expression"));
583 /* Note that PREC_BUILTIN will always emit parentheses. */
584 if ((int) myprec
< (int) prec
)
585 fputs_filtered ("(", stream
);
586 if ((int) opcode
> (int) BINOP_END
)
590 /* Unary postfix operator. */
591 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
592 fputs_filtered (op_str
, stream
);
596 /* Unary prefix operator. */
597 fputs_filtered (op_str
, stream
);
598 if (myprec
== PREC_BUILTIN_FUNCTION
)
599 fputs_filtered ("(", stream
);
600 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
601 if (myprec
== PREC_BUILTIN_FUNCTION
)
602 fputs_filtered (")", stream
);
607 /* Binary operator. */
608 /* Print left operand.
609 If operator is right-associative,
610 increment precedence for this operand. */
611 print_subexp (exp
, pos
, stream
,
612 (enum precedence
) ((int) myprec
+ assoc
));
613 /* Print the operator itself. */
615 fprintf_filtered (stream
, " %s= ", op_str
);
616 else if (op_str
[0] == ',')
617 fprintf_filtered (stream
, "%s ", op_str
);
619 fprintf_filtered (stream
, " %s ", op_str
);
620 /* Print right operand.
621 If operator is left-associative,
622 increment precedence for this operand. */
623 print_subexp (exp
, pos
, stream
,
624 (enum precedence
) ((int) myprec
+ !assoc
));
627 if ((int) myprec
< (int) prec
)
628 fputs_filtered (")", stream
);
631 /* Return the operator corresponding to opcode OP as
632 a string. NULL indicates that the opcode was not found in the
633 current language table. */
635 op_string (enum exp_opcode op
)
638 const struct op_print
*op_print_tab
;
640 op_print_tab
= current_language
->la_op_print_tab
;
641 for (tem
= 0; op_print_tab
[tem
].opcode
!= OP_NULL
; tem
++)
642 if (op_print_tab
[tem
].opcode
== op
)
643 return op_print_tab
[tem
].string
;
647 /* Support for dumping the raw data from expressions in a human readable
650 static int dump_subexp_body (struct expression
*exp
, struct ui_file
*, int);
652 /* Name for OPCODE, when it appears in expression EXP. */
655 op_name (struct expression
*exp
, enum exp_opcode opcode
)
657 return exp
->language_defn
->la_exp_desc
->op_name (opcode
);
660 /* Default name for the standard operator OPCODE (i.e., one defined in
661 the definition of enum exp_opcode). */
664 op_name_standard (enum exp_opcode opcode
)
672 sprintf (buf
, "<unknown %d>", opcode
);
678 #include "std-operator.def"
683 /* Print a raw dump of expression EXP to STREAM.
684 NOTE, if non-NULL, is printed as extra explanatory text. */
687 dump_raw_expression (struct expression
*exp
, struct ui_file
*stream
,
695 fprintf_filtered (stream
, "Dump of expression @ ");
696 gdb_print_host_address (exp
, stream
);
698 fprintf_filtered (stream
, ", %s:", note
);
699 fprintf_filtered (stream
, "\n\tLanguage %s, %d elements, %ld bytes each.\n",
700 exp
->language_defn
->la_name
, exp
->nelts
,
701 (long) sizeof (union exp_element
));
702 fprintf_filtered (stream
, "\t%5s %20s %16s %s\n", "Index", "Opcode",
703 "Hex Value", "String Value");
704 for (elt
= 0; elt
< exp
->nelts
; elt
++)
706 fprintf_filtered (stream
, "\t%5d ", elt
);
707 opcode_name
= op_name (exp
, exp
->elts
[elt
].opcode
);
709 fprintf_filtered (stream
, "%20s ", opcode_name
);
710 print_longest (stream
, 'd', 0, exp
->elts
[elt
].longconst
);
711 fprintf_filtered (stream
, " ");
713 for (eltscan
= (char *) &exp
->elts
[elt
],
714 eltsize
= sizeof (union exp_element
);
718 fprintf_filtered (stream
, "%c",
719 isprint (*eltscan
) ? (*eltscan
& 0xFF) : '.');
721 fprintf_filtered (stream
, "\n");
725 /* Dump the subexpression of prefix expression EXP whose operator is at
726 position ELT onto STREAM. Returns the position of the next
727 subexpression in EXP. */
730 dump_subexp (struct expression
*exp
, struct ui_file
*stream
, int elt
)
732 static int indent
= 0;
735 fprintf_filtered (stream
, "\n");
736 fprintf_filtered (stream
, "\t%5d ", elt
);
738 for (i
= 1; i
<= indent
; i
++)
739 fprintf_filtered (stream
, " ");
742 fprintf_filtered (stream
, "%-20s ", op_name (exp
, exp
->elts
[elt
].opcode
));
744 elt
= dump_subexp_body (exp
, stream
, elt
);
751 /* Dump the operands of prefix expression EXP whose opcode is at
752 position ELT onto STREAM. Returns the position of the next
753 subexpression in EXP. */
756 dump_subexp_body (struct expression
*exp
, struct ui_file
*stream
, int elt
)
758 return exp
->language_defn
->la_exp_desc
->dump_subexp_body (exp
, stream
, elt
);
761 /* Default value for subexp_body in exp_descriptor vector. */
764 dump_subexp_body_standard (struct expression
*exp
,
765 struct ui_file
*stream
, int elt
)
767 int opcode
= exp
->elts
[elt
++].opcode
;
773 case TERNOP_SLICE_COUNT
:
774 elt
= dump_subexp (exp
, stream
, elt
);
784 case BINOP_LOGICAL_AND
:
785 case BINOP_LOGICAL_OR
:
786 case BINOP_BITWISE_AND
:
787 case BINOP_BITWISE_IOR
:
788 case BINOP_BITWISE_XOR
:
798 case BINOP_SUBSCRIPT
:
803 case BINOP_ASSIGN_MODIFY
:
809 case STRUCTOP_MEMBER
:
811 elt
= dump_subexp (exp
, stream
, elt
);
814 case UNOP_LOGICAL_NOT
:
815 case UNOP_COMPLEMENT
:
818 case UNOP_PREINCREMENT
:
819 case UNOP_POSTINCREMENT
:
820 case UNOP_PREDECREMENT
:
821 case UNOP_POSTDECREMENT
:
834 elt
= dump_subexp (exp
, stream
, elt
);
837 fprintf_filtered (stream
, "Type @");
838 gdb_print_host_address (exp
->elts
[elt
].type
, stream
);
839 fprintf_filtered (stream
, " (");
840 type_print (exp
->elts
[elt
].type
, NULL
, stream
, 0);
841 fprintf_filtered (stream
, "), value %ld (0x%lx)",
842 (long) exp
->elts
[elt
+ 1].longconst
,
843 (long) exp
->elts
[elt
+ 1].longconst
);
847 fprintf_filtered (stream
, "Type @");
848 gdb_print_host_address (exp
->elts
[elt
].type
, stream
);
849 fprintf_filtered (stream
, " (");
850 type_print (exp
->elts
[elt
].type
, NULL
, stream
, 0);
851 fprintf_filtered (stream
, "), value %g",
852 (double) exp
->elts
[elt
+ 1].doubleconst
);
856 fprintf_filtered (stream
, "Block @");
857 gdb_print_host_address (exp
->elts
[elt
].block
, stream
);
858 fprintf_filtered (stream
, ", symbol @");
859 gdb_print_host_address (exp
->elts
[elt
+ 1].symbol
, stream
);
860 fprintf_filtered (stream
, " (%s)",
861 SYMBOL_PRINT_NAME (exp
->elts
[elt
+ 1].symbol
));
864 case OP_VAR_ENTRY_VALUE
:
865 fprintf_filtered (stream
, "Entry value of symbol @");
866 gdb_print_host_address (exp
->elts
[elt
].symbol
, stream
);
867 fprintf_filtered (stream
, " (%s)",
868 SYMBOL_PRINT_NAME (exp
->elts
[elt
].symbol
));
872 fprintf_filtered (stream
, "History element %ld",
873 (long) exp
->elts
[elt
].longconst
);
877 fprintf_filtered (stream
, "Register $%s", &exp
->elts
[elt
+ 1].string
);
878 elt
+= 3 + BYTES_TO_EXP_ELEM (exp
->elts
[elt
].longconst
+ 1);
881 fprintf_filtered (stream
, "Internal var @");
882 gdb_print_host_address (exp
->elts
[elt
].internalvar
, stream
);
883 fprintf_filtered (stream
, " (%s)",
884 internalvar_name (exp
->elts
[elt
].internalvar
));
891 nargs
= longest_to_int (exp
->elts
[elt
].longconst
);
893 fprintf_filtered (stream
, "Number of args: %d", nargs
);
896 for (i
= 1; i
<= nargs
+ 1; i
++)
897 elt
= dump_subexp (exp
, stream
, elt
);
905 lower
= longest_to_int (exp
->elts
[elt
].longconst
);
906 upper
= longest_to_int (exp
->elts
[elt
+ 1].longconst
);
908 fprintf_filtered (stream
, "Bounds [%d:%d]", lower
, upper
);
911 for (i
= 1; i
<= upper
- lower
+ 1; i
++)
912 elt
= dump_subexp (exp
, stream
, elt
);
917 case UNOP_DYNAMIC_CAST
:
918 case UNOP_REINTERPRET_CAST
:
919 fprintf_filtered (stream
, "Type @");
920 gdb_print_host_address (exp
->elts
[elt
].type
, stream
);
921 fprintf_filtered (stream
, " (");
922 type_print (exp
->elts
[elt
].type
, NULL
, stream
, 0);
923 fprintf_filtered (stream
, ")");
924 elt
= dump_subexp (exp
, stream
, elt
+ 2);
926 case UNOP_MEMVAL_TLS
:
927 fprintf_filtered (stream
, "TLS type @");
928 gdb_print_host_address (exp
->elts
[elt
+ 1].type
, stream
);
929 fprintf_filtered (stream
, " (__thread /* \"%s\" */ ",
930 (exp
->elts
[elt
].objfile
== NULL
? "(null)"
931 : exp
->elts
[elt
].objfile
->name
));
932 type_print (exp
->elts
[elt
+ 1].type
, NULL
, stream
, 0);
933 fprintf_filtered (stream
, ")");
934 elt
= dump_subexp (exp
, stream
, elt
+ 3);
937 fprintf_filtered (stream
, "Type @");
938 gdb_print_host_address (exp
->elts
[elt
].type
, stream
);
939 fprintf_filtered (stream
, " (");
940 type_print (exp
->elts
[elt
].type
, NULL
, stream
, 0);
941 fprintf_filtered (stream
, ")");
944 case STRUCTOP_STRUCT
:
950 len
= longest_to_int (exp
->elts
[elt
].longconst
);
951 elem_name
= &exp
->elts
[elt
+ 1].string
;
953 fprintf_filtered (stream
, "Element name: `%.*s'", len
, elem_name
);
954 elt
= dump_subexp (exp
, stream
, elt
+ 3 + BYTES_TO_EXP_ELEM (len
+ 1));
962 fprintf_filtered (stream
, "Type @");
963 gdb_print_host_address (exp
->elts
[elt
].type
, stream
);
964 fprintf_filtered (stream
, " (");
965 type_print (exp
->elts
[elt
].type
, NULL
, stream
, 0);
966 fprintf_filtered (stream
, ") ");
968 len
= longest_to_int (exp
->elts
[elt
+ 1].longconst
);
969 elem_name
= &exp
->elts
[elt
+ 2].string
;
971 fprintf_filtered (stream
, "Field name: `%.*s'", len
, elem_name
);
972 elt
+= 4 + BYTES_TO_EXP_ELEM (len
+ 1);
980 len
= exp
->elts
[elt
++].longconst
;
981 fprintf_filtered (stream
, "%s TypeInstance: ", plongest (len
));
984 fprintf_filtered (stream
, "Type @");
985 gdb_print_host_address (exp
->elts
[elt
].type
, stream
);
986 fprintf_filtered (stream
, " (");
987 type_print (exp
->elts
[elt
].type
, NULL
, stream
, 0);
988 fprintf_filtered (stream
, ")");
991 fputs_filtered (", ", stream
);
993 /* Ending LEN and ending TYPE_INSTANCE. */
995 elt
= dump_subexp (exp
, stream
, elt
);
1000 case MULTI_SUBSCRIPT
:
1001 case OP_F77_UNDETERMINED_ARGLIST
:
1010 fprintf_filtered (stream
, "Unknown format");
1017 dump_prefix_expression (struct expression
*exp
, struct ui_file
*stream
)
1021 fprintf_filtered (stream
, "Dump of expression @ ");
1022 gdb_print_host_address (exp
, stream
);
1023 fputs_filtered (", after conversion to prefix form:\nExpression: `", stream
);
1024 if (exp
->elts
[0].opcode
!= OP_TYPE
)
1025 print_expression (exp
, stream
);
1027 fputs_filtered ("Type printing not yet supported....", stream
);
1028 fprintf_filtered (stream
, "'\n\tLanguage %s, %d elements, %ld bytes each.\n",
1029 exp
->language_defn
->la_name
, exp
->nelts
,
1030 (long) sizeof (union exp_element
));
1031 fputs_filtered ("\n", stream
);
1033 for (elt
= 0; elt
< exp
->nelts
;)
1034 elt
= dump_subexp (exp
, stream
, elt
);
1035 fputs_filtered ("\n", stream
);