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
:
140 fprintf_filtered (stream
, "%s@entry",
141 SYMBOL_PRINT_NAME (exp
->elts
[pc
+ 1].symbol
));
147 fprintf_filtered (stream
, "$%d",
148 longest_to_int (exp
->elts
[pc
+ 1].longconst
));
153 const char *name
= &exp
->elts
[pc
+ 2].string
;
155 (*pos
) += 3 + BYTES_TO_EXP_ELEM (exp
->elts
[pc
+ 1].longconst
+ 1);
156 fprintf_filtered (stream
, "$%s", name
);
162 fprintf_filtered (stream
, "%s",
163 longest_to_int (exp
->elts
[pc
+ 1].longconst
)
169 fprintf_filtered (stream
, "$%s",
170 internalvar_name (exp
->elts
[pc
+ 1].internalvar
));
175 nargs
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
176 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
177 fputs_filtered (" (", stream
);
178 for (tem
= 0; tem
< nargs
; tem
++)
181 fputs_filtered (", ", stream
);
182 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
184 fputs_filtered (")", stream
);
188 nargs
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
189 (*pos
) += 3 + BYTES_TO_EXP_ELEM (nargs
+ 1);
190 fputs_filtered (&exp
->elts
[pc
+ 2].string
, stream
);
195 struct value_print_options opts
;
197 nargs
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
198 (*pos
) += 3 + BYTES_TO_EXP_ELEM (nargs
+ 1);
199 /* LA_PRINT_STRING will print using the current repeat count threshold.
200 If necessary, we can temporarily set it to zero, or pass it as an
201 additional parameter to LA_PRINT_STRING. -fnf */
202 get_user_print_options (&opts
);
203 LA_PRINT_STRING (stream
, builtin_type (exp
->gdbarch
)->builtin_char
,
204 &exp
->elts
[pc
+ 2].string
, nargs
, NULL
, 0, &opts
);
209 nargs
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
211 += 3 + BYTES_TO_EXP_ELEM ((nargs
+ HOST_CHAR_BIT
- 1) / HOST_CHAR_BIT
);
212 fprintf_unfiltered (stream
, "B'<unimplemented>'");
215 case OP_OBJC_NSSTRING
: /* Objective-C Foundation Class
216 NSString constant. */
218 struct value_print_options opts
;
220 nargs
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
221 (*pos
) += 3 + BYTES_TO_EXP_ELEM (nargs
+ 1);
222 fputs_filtered ("@\"", stream
);
223 get_user_print_options (&opts
);
224 LA_PRINT_STRING (stream
, builtin_type (exp
->gdbarch
)->builtin_char
,
225 &exp
->elts
[pc
+ 2].string
, nargs
, NULL
, 0, &opts
);
226 fputs_filtered ("\"", stream
);
230 case OP_OBJC_MSGCALL
:
231 { /* Objective C message (method) call. */
235 nargs
= longest_to_int (exp
->elts
[pc
+ 2].longconst
);
236 fprintf_unfiltered (stream
, "[");
237 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
238 if (0 == target_read_string (exp
->elts
[pc
+ 1].longconst
,
239 &selector
, 1024, NULL
))
241 error (_("bad selector"));
248 s
= alloca (strlen (selector
) + 1);
249 strcpy (s
, selector
);
250 for (tem
= 0; tem
< nargs
; tem
++)
252 nextS
= strchr (s
, ':');
253 gdb_assert (nextS
); /* Make sure we found ':'. */
255 fprintf_unfiltered (stream
, " %s: ", s
);
257 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
262 fprintf_unfiltered (stream
, " %s", selector
);
264 fprintf_unfiltered (stream
, "]");
265 /* "selector" was malloc'd by target_read_string. Free it. */
272 nargs
= longest_to_int (exp
->elts
[pc
+ 2].longconst
);
273 nargs
-= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
276 if (exp
->elts
[pc
+ 4].opcode
== OP_LONG
277 && exp
->elts
[pc
+ 5].type
278 == builtin_type (exp
->gdbarch
)->builtin_char
279 && exp
->language_defn
->la_language
== language_c
)
281 /* Attempt to print C character arrays using string syntax.
282 Walk through the args, picking up one character from each
283 of the OP_LONG expression elements. If any array element
284 does not match our expection of what we should find for
285 a simple string, revert back to array printing. Note that
286 the last expression element is an explicit null terminator
287 byte, which doesn't get printed. */
288 tempstr
= alloca (nargs
);
292 if (exp
->elts
[pc
].opcode
!= OP_LONG
293 || exp
->elts
[pc
+ 1].type
294 != builtin_type (exp
->gdbarch
)->builtin_char
)
296 /* Not a simple array of char, use regular array
304 longest_to_int (exp
->elts
[pc
+ 2].longconst
);
311 struct value_print_options opts
;
313 get_user_print_options (&opts
);
314 LA_PRINT_STRING (stream
, builtin_type (exp
->gdbarch
)->builtin_char
,
315 tempstr
, nargs
- 1, NULL
, 0, &opts
);
320 fputs_filtered (" {", stream
);
321 for (tem
= 0; tem
< nargs
; tem
++)
325 fputs_filtered (", ", stream
);
327 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
329 fputs_filtered ("}", stream
);
334 tem
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
335 (*pos
) += 3 + BYTES_TO_EXP_ELEM (tem
+ 1);
336 /* Gcc support both these syntaxes. Unsure which is preferred. */
338 fputs_filtered (&exp
->elts
[pc
+ 2].string
, stream
);
339 fputs_filtered (": ", stream
);
341 fputs_filtered (".", stream
);
342 fputs_filtered (&exp
->elts
[pc
+ 2].string
, stream
);
343 fputs_filtered ("=", stream
);
345 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
349 if ((int) prec
> (int) PREC_COMMA
)
350 fputs_filtered ("(", stream
);
351 /* Print the subexpressions, forcing parentheses
352 around any binary operations within them.
353 This is more parentheses than are strictly necessary,
354 but it looks clearer. */
355 print_subexp (exp
, pos
, stream
, PREC_HYPER
);
356 fputs_filtered (" ? ", stream
);
357 print_subexp (exp
, pos
, stream
, PREC_HYPER
);
358 fputs_filtered (" : ", stream
);
359 print_subexp (exp
, pos
, stream
, PREC_HYPER
);
360 if ((int) prec
> (int) PREC_COMMA
)
361 fputs_filtered (")", stream
);
365 case TERNOP_SLICE_COUNT
:
366 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
367 fputs_filtered ("(", stream
);
368 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
369 fputs_filtered (opcode
== TERNOP_SLICE
? " : " : " UP ", stream
);
370 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
371 fputs_filtered (")", stream
);
374 case STRUCTOP_STRUCT
:
375 tem
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
376 (*pos
) += 3 + BYTES_TO_EXP_ELEM (tem
+ 1);
377 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
378 fputs_filtered (".", stream
);
379 fputs_filtered (&exp
->elts
[pc
+ 2].string
, stream
);
382 /* Will not occur for Modula-2. */
384 tem
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
385 (*pos
) += 3 + BYTES_TO_EXP_ELEM (tem
+ 1);
386 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
387 fputs_filtered ("->", stream
);
388 fputs_filtered (&exp
->elts
[pc
+ 2].string
, stream
);
391 case STRUCTOP_MEMBER
:
392 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
393 fputs_filtered (".*", stream
);
394 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
398 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
399 fputs_filtered ("->*", stream
);
400 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
403 case BINOP_SUBSCRIPT
:
404 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
405 fputs_filtered ("[", stream
);
406 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
407 fputs_filtered ("]", stream
);
410 case UNOP_POSTINCREMENT
:
411 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
412 fputs_filtered ("++", stream
);
415 case UNOP_POSTDECREMENT
:
416 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
417 fputs_filtered ("--", stream
);
422 if ((int) prec
> (int) PREC_PREFIX
)
423 fputs_filtered ("(", stream
);
424 fputs_filtered ("(", stream
);
425 type_print (exp
->elts
[pc
+ 1].type
, "", stream
, 0);
426 fputs_filtered (") ", stream
);
427 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
428 if ((int) prec
> (int) PREC_PREFIX
)
429 fputs_filtered (")", stream
);
434 if ((int) prec
> (int) PREC_PREFIX
)
435 fputs_filtered ("(", stream
);
436 fputs_filtered ("(", stream
);
437 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
438 fputs_filtered (") ", stream
);
439 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
440 if ((int) prec
> (int) PREC_PREFIX
)
441 fputs_filtered (")", stream
);
444 case UNOP_DYNAMIC_CAST
:
445 case UNOP_REINTERPRET_CAST
:
446 fputs_filtered (opcode
== UNOP_DYNAMIC_CAST
? "dynamic_cast"
447 : "reinterpret_cast", stream
);
448 fputs_filtered ("<", stream
);
450 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
451 fputs_filtered ("> (", stream
);
452 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
453 fputs_filtered (")", stream
);
458 if ((int) prec
> (int) PREC_PREFIX
)
459 fputs_filtered ("(", stream
);
460 if (TYPE_CODE (exp
->elts
[pc
+ 1].type
) == TYPE_CODE_FUNC
461 && exp
->elts
[pc
+ 3].opcode
== OP_LONG
)
463 struct value_print_options opts
;
465 /* We have a minimal symbol fn, probably. It's encoded
466 as a UNOP_MEMVAL (function-type) of an OP_LONG (int, address).
467 Swallow the OP_LONG (including both its opcodes); ignore
468 its type; print the value in the type of the MEMVAL. */
470 val
= value_at_lazy (exp
->elts
[pc
+ 1].type
,
471 (CORE_ADDR
) exp
->elts
[pc
+ 5].longconst
);
472 get_raw_print_options (&opts
);
473 value_print (val
, stream
, &opts
);
477 fputs_filtered ("{", stream
);
478 type_print (exp
->elts
[pc
+ 1].type
, "", stream
, 0);
479 fputs_filtered ("} ", stream
);
480 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
482 if ((int) prec
> (int) PREC_PREFIX
)
483 fputs_filtered (")", stream
);
486 case UNOP_MEMVAL_TYPE
:
488 if ((int) prec
> (int) PREC_PREFIX
)
489 fputs_filtered ("(", stream
);
490 fputs_filtered ("{", stream
);
491 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
492 fputs_filtered ("} ", stream
);
493 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
494 if ((int) prec
> (int) PREC_PREFIX
)
495 fputs_filtered (")", stream
);
498 case UNOP_MEMVAL_TLS
:
500 if ((int) prec
> (int) PREC_PREFIX
)
501 fputs_filtered ("(", stream
);
502 fputs_filtered ("{", stream
);
503 type_print (exp
->elts
[pc
+ 2].type
, "", stream
, 0);
504 fputs_filtered ("} ", stream
);
505 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
506 if ((int) prec
> (int) PREC_PREFIX
)
507 fputs_filtered (")", stream
);
510 case BINOP_ASSIGN_MODIFY
:
511 opcode
= exp
->elts
[pc
+ 1].opcode
;
513 myprec
= PREC_ASSIGN
;
517 for (tem
= 0; op_print_tab
[tem
].opcode
!= OP_NULL
; tem
++)
518 if (op_print_tab
[tem
].opcode
== opcode
)
520 op_str
= op_print_tab
[tem
].string
;
523 if (op_print_tab
[tem
].opcode
!= opcode
)
524 /* Not found; don't try to keep going because we don't know how
525 to interpret further elements. */
526 error (_("Invalid expression"));
533 if (exp
->language_defn
->la_name_of_this
)
534 fputs_filtered (exp
->language_defn
->la_name_of_this
, stream
);
536 fprintf_filtered (stream
, _("<language %s has no 'this'>"),
537 exp
->language_defn
->la_name
);
542 case MULTI_SUBSCRIPT
:
544 nargs
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
545 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
546 fprintf_unfiltered (stream
, " [");
547 for (tem
= 0; tem
< nargs
; tem
++)
550 fprintf_unfiltered (stream
, ", ");
551 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
553 fprintf_unfiltered (stream
, "]");
558 fprintf_unfiltered (stream
, "VAL(");
559 type_print (exp
->elts
[pc
+ 1].type
, "", stream
, 0);
560 fprintf_unfiltered (stream
, ",");
561 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
562 fprintf_unfiltered (stream
, ")");
567 LONGEST count
= exp
->elts
[pc
+ 1].longconst
;
571 fputs_unfiltered ("TypesInstance(", stream
);
574 type_print (exp
->elts
[(*pos
)++].type
, "", stream
, 0);
576 fputs_unfiltered (",", stream
);
578 fputs_unfiltered (",", stream
);
579 /* Ending COUNT and ending TYPE_INSTANCE. */
581 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
582 fputs_unfiltered (")", stream
);
590 for (tem
= 0; op_print_tab
[tem
].opcode
!= OP_NULL
; tem
++)
591 if (op_print_tab
[tem
].opcode
== opcode
)
593 op_str
= op_print_tab
[tem
].string
;
594 myprec
= op_print_tab
[tem
].precedence
;
595 assoc
= op_print_tab
[tem
].right_assoc
;
598 if (op_print_tab
[tem
].opcode
!= opcode
)
599 /* Not found; don't try to keep going because we don't know how
600 to interpret further elements. For example, this happens
601 if opcode is OP_TYPE. */
602 error (_("Invalid expression"));
605 /* Note that PREC_BUILTIN will always emit parentheses. */
606 if ((int) myprec
< (int) prec
)
607 fputs_filtered ("(", stream
);
608 if ((int) opcode
> (int) BINOP_END
)
612 /* Unary postfix operator. */
613 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
614 fputs_filtered (op_str
, stream
);
618 /* Unary prefix operator. */
619 fputs_filtered (op_str
, stream
);
620 if (myprec
== PREC_BUILTIN_FUNCTION
)
621 fputs_filtered ("(", stream
);
622 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
623 if (myprec
== PREC_BUILTIN_FUNCTION
)
624 fputs_filtered (")", stream
);
629 /* Binary operator. */
630 /* Print left operand.
631 If operator is right-associative,
632 increment precedence for this operand. */
633 print_subexp (exp
, pos
, stream
,
634 (enum precedence
) ((int) myprec
+ assoc
));
635 /* Print the operator itself. */
637 fprintf_filtered (stream
, " %s= ", op_str
);
638 else if (op_str
[0] == ',')
639 fprintf_filtered (stream
, "%s ", op_str
);
641 fprintf_filtered (stream
, " %s ", op_str
);
642 /* Print right operand.
643 If operator is left-associative,
644 increment precedence for this operand. */
645 print_subexp (exp
, pos
, stream
,
646 (enum precedence
) ((int) myprec
+ !assoc
));
649 if ((int) myprec
< (int) prec
)
650 fputs_filtered (")", stream
);
653 /* Return the operator corresponding to opcode OP as
654 a string. NULL indicates that the opcode was not found in the
655 current language table. */
657 op_string (enum exp_opcode op
)
660 const struct op_print
*op_print_tab
;
662 op_print_tab
= current_language
->la_op_print_tab
;
663 for (tem
= 0; op_print_tab
[tem
].opcode
!= OP_NULL
; tem
++)
664 if (op_print_tab
[tem
].opcode
== op
)
665 return op_print_tab
[tem
].string
;
669 /* Support for dumping the raw data from expressions in a human readable
672 static int dump_subexp_body (struct expression
*exp
, struct ui_file
*, int);
674 /* Name for OPCODE, when it appears in expression EXP. */
677 op_name (struct expression
*exp
, enum exp_opcode opcode
)
679 return exp
->language_defn
->la_exp_desc
->op_name (opcode
);
682 /* Default name for the standard operator OPCODE (i.e., one defined in
683 the definition of enum exp_opcode). */
686 op_name_standard (enum exp_opcode opcode
)
694 sprintf (buf
, "<unknown %d>", opcode
);
700 #include "std-operator.def"
705 /* Print a raw dump of expression EXP to STREAM.
706 NOTE, if non-NULL, is printed as extra explanatory text. */
709 dump_raw_expression (struct expression
*exp
, struct ui_file
*stream
,
717 fprintf_filtered (stream
, "Dump of expression @ ");
718 gdb_print_host_address (exp
, stream
);
720 fprintf_filtered (stream
, ", %s:", note
);
721 fprintf_filtered (stream
, "\n\tLanguage %s, %d elements, %ld bytes each.\n",
722 exp
->language_defn
->la_name
, exp
->nelts
,
723 (long) sizeof (union exp_element
));
724 fprintf_filtered (stream
, "\t%5s %20s %16s %s\n", "Index", "Opcode",
725 "Hex Value", "String Value");
726 for (elt
= 0; elt
< exp
->nelts
; elt
++)
728 fprintf_filtered (stream
, "\t%5d ", elt
);
729 opcode_name
= op_name (exp
, exp
->elts
[elt
].opcode
);
731 fprintf_filtered (stream
, "%20s ", opcode_name
);
732 print_longest (stream
, 'd', 0, exp
->elts
[elt
].longconst
);
733 fprintf_filtered (stream
, " ");
735 for (eltscan
= (char *) &exp
->elts
[elt
],
736 eltsize
= sizeof (union exp_element
);
740 fprintf_filtered (stream
, "%c",
741 isprint (*eltscan
) ? (*eltscan
& 0xFF) : '.');
743 fprintf_filtered (stream
, "\n");
747 /* Dump the subexpression of prefix expression EXP whose operator is at
748 position ELT onto STREAM. Returns the position of the next
749 subexpression in EXP. */
752 dump_subexp (struct expression
*exp
, struct ui_file
*stream
, int elt
)
754 static int indent
= 0;
757 fprintf_filtered (stream
, "\n");
758 fprintf_filtered (stream
, "\t%5d ", elt
);
760 for (i
= 1; i
<= indent
; i
++)
761 fprintf_filtered (stream
, " ");
764 fprintf_filtered (stream
, "%-20s ", op_name (exp
, exp
->elts
[elt
].opcode
));
766 elt
= dump_subexp_body (exp
, stream
, elt
);
773 /* Dump the operands of prefix expression EXP whose opcode is at
774 position ELT onto STREAM. Returns the position of the next
775 subexpression in EXP. */
778 dump_subexp_body (struct expression
*exp
, struct ui_file
*stream
, int elt
)
780 return exp
->language_defn
->la_exp_desc
->dump_subexp_body (exp
, stream
, elt
);
783 /* Default value for subexp_body in exp_descriptor vector. */
786 dump_subexp_body_standard (struct expression
*exp
,
787 struct ui_file
*stream
, int elt
)
789 int opcode
= exp
->elts
[elt
++].opcode
;
795 case TERNOP_SLICE_COUNT
:
796 elt
= dump_subexp (exp
, stream
, elt
);
806 case BINOP_LOGICAL_AND
:
807 case BINOP_LOGICAL_OR
:
808 case BINOP_BITWISE_AND
:
809 case BINOP_BITWISE_IOR
:
810 case BINOP_BITWISE_XOR
:
820 case BINOP_SUBSCRIPT
:
825 case BINOP_ASSIGN_MODIFY
:
831 case STRUCTOP_MEMBER
:
833 elt
= dump_subexp (exp
, stream
, elt
);
836 case UNOP_LOGICAL_NOT
:
837 case UNOP_COMPLEMENT
:
840 case UNOP_PREINCREMENT
:
841 case UNOP_POSTINCREMENT
:
842 case UNOP_PREDECREMENT
:
843 case UNOP_POSTDECREMENT
:
856 elt
= dump_subexp (exp
, stream
, elt
);
859 fprintf_filtered (stream
, "Type @");
860 gdb_print_host_address (exp
->elts
[elt
].type
, stream
);
861 fprintf_filtered (stream
, " (");
862 type_print (exp
->elts
[elt
].type
, NULL
, stream
, 0);
863 fprintf_filtered (stream
, "), value %ld (0x%lx)",
864 (long) exp
->elts
[elt
+ 1].longconst
,
865 (long) exp
->elts
[elt
+ 1].longconst
);
869 fprintf_filtered (stream
, "Type @");
870 gdb_print_host_address (exp
->elts
[elt
].type
, stream
);
871 fprintf_filtered (stream
, " (");
872 type_print (exp
->elts
[elt
].type
, NULL
, stream
, 0);
873 fprintf_filtered (stream
, "), value %g",
874 (double) exp
->elts
[elt
+ 1].doubleconst
);
878 fprintf_filtered (stream
, "Block @");
879 gdb_print_host_address (exp
->elts
[elt
].block
, stream
);
880 fprintf_filtered (stream
, ", symbol @");
881 gdb_print_host_address (exp
->elts
[elt
+ 1].symbol
, stream
);
882 fprintf_filtered (stream
, " (%s)",
883 SYMBOL_PRINT_NAME (exp
->elts
[elt
+ 1].symbol
));
886 case OP_VAR_ENTRY_VALUE
:
887 fprintf_filtered (stream
, "Entry value of symbol @");
888 gdb_print_host_address (exp
->elts
[elt
].symbol
, stream
);
889 fprintf_filtered (stream
, " (%s)",
890 SYMBOL_PRINT_NAME (exp
->elts
[elt
].symbol
));
894 fprintf_filtered (stream
, "History element %ld",
895 (long) exp
->elts
[elt
].longconst
);
899 fprintf_filtered (stream
, "Register $%s", &exp
->elts
[elt
+ 1].string
);
900 elt
+= 3 + BYTES_TO_EXP_ELEM (exp
->elts
[elt
].longconst
+ 1);
903 fprintf_filtered (stream
, "Internal var @");
904 gdb_print_host_address (exp
->elts
[elt
].internalvar
, stream
);
905 fprintf_filtered (stream
, " (%s)",
906 internalvar_name (exp
->elts
[elt
].internalvar
));
913 nargs
= longest_to_int (exp
->elts
[elt
].longconst
);
915 fprintf_filtered (stream
, "Number of args: %d", nargs
);
918 for (i
= 1; i
<= nargs
+ 1; i
++)
919 elt
= dump_subexp (exp
, stream
, elt
);
927 lower
= longest_to_int (exp
->elts
[elt
].longconst
);
928 upper
= longest_to_int (exp
->elts
[elt
+ 1].longconst
);
930 fprintf_filtered (stream
, "Bounds [%d:%d]", lower
, upper
);
933 for (i
= 1; i
<= upper
- lower
+ 1; i
++)
934 elt
= dump_subexp (exp
, stream
, elt
);
937 case UNOP_DYNAMIC_CAST
:
938 case UNOP_REINTERPRET_CAST
:
940 case UNOP_MEMVAL_TYPE
:
942 fprintf_filtered (stream
, " (");
943 elt
= dump_subexp (exp
, stream
, elt
);
944 fprintf_filtered (stream
, ")");
945 elt
= dump_subexp (exp
, stream
, elt
);
949 fprintf_filtered (stream
, "Type @");
950 gdb_print_host_address (exp
->elts
[elt
].type
, stream
);
951 fprintf_filtered (stream
, " (");
952 type_print (exp
->elts
[elt
].type
, NULL
, stream
, 0);
953 fprintf_filtered (stream
, ")");
954 elt
= dump_subexp (exp
, stream
, elt
+ 2);
956 case UNOP_MEMVAL_TLS
:
957 fprintf_filtered (stream
, "TLS type @");
958 gdb_print_host_address (exp
->elts
[elt
+ 1].type
, stream
);
959 fprintf_filtered (stream
, " (__thread /* \"%s\" */ ",
960 (exp
->elts
[elt
].objfile
== NULL
? "(null)"
961 : exp
->elts
[elt
].objfile
->name
));
962 type_print (exp
->elts
[elt
+ 1].type
, NULL
, stream
, 0);
963 fprintf_filtered (stream
, ")");
964 elt
= dump_subexp (exp
, stream
, elt
+ 3);
967 fprintf_filtered (stream
, "Type @");
968 gdb_print_host_address (exp
->elts
[elt
].type
, stream
);
969 fprintf_filtered (stream
, " (");
970 type_print (exp
->elts
[elt
].type
, NULL
, stream
, 0);
971 fprintf_filtered (stream
, ")");
976 fprintf_filtered (stream
, "Typeof (");
977 elt
= dump_subexp (exp
, stream
, elt
);
978 fprintf_filtered (stream
, ")");
980 case STRUCTOP_STRUCT
:
986 len
= longest_to_int (exp
->elts
[elt
].longconst
);
987 elem_name
= &exp
->elts
[elt
+ 1].string
;
989 fprintf_filtered (stream
, "Element name: `%.*s'", len
, elem_name
);
990 elt
= dump_subexp (exp
, stream
, elt
+ 3 + BYTES_TO_EXP_ELEM (len
+ 1));
998 fprintf_filtered (stream
, "Type @");
999 gdb_print_host_address (exp
->elts
[elt
].type
, stream
);
1000 fprintf_filtered (stream
, " (");
1001 type_print (exp
->elts
[elt
].type
, NULL
, stream
, 0);
1002 fprintf_filtered (stream
, ") ");
1004 len
= longest_to_int (exp
->elts
[elt
+ 1].longconst
);
1005 elem_name
= &exp
->elts
[elt
+ 2].string
;
1007 fprintf_filtered (stream
, "Field name: `%.*s'", len
, elem_name
);
1008 elt
+= 4 + BYTES_TO_EXP_ELEM (len
+ 1);
1015 len
= exp
->elts
[elt
++].longconst
;
1016 fprintf_filtered (stream
, "%s TypeInstance: ", plongest (len
));
1019 fprintf_filtered (stream
, "Type @");
1020 gdb_print_host_address (exp
->elts
[elt
].type
, stream
);
1021 fprintf_filtered (stream
, " (");
1022 type_print (exp
->elts
[elt
].type
, NULL
, stream
, 0);
1023 fprintf_filtered (stream
, ")");
1026 fputs_filtered (", ", stream
);
1028 /* Ending LEN and ending TYPE_INSTANCE. */
1030 elt
= dump_subexp (exp
, stream
, elt
);
1035 case MULTI_SUBSCRIPT
:
1036 case OP_F77_UNDETERMINED_ARGLIST
:
1045 fprintf_filtered (stream
, "Unknown format");
1052 dump_prefix_expression (struct expression
*exp
, struct ui_file
*stream
)
1056 fprintf_filtered (stream
, "Dump of expression @ ");
1057 gdb_print_host_address (exp
, stream
);
1058 fputs_filtered (", after conversion to prefix form:\nExpression: `", stream
);
1059 if (exp
->elts
[0].opcode
!= OP_TYPE
)
1060 print_expression (exp
, stream
);
1062 fputs_filtered ("Type printing not yet supported....", stream
);
1063 fprintf_filtered (stream
, "'\n\tLanguage %s, %d elements, %ld bytes each.\n",
1064 exp
->language_defn
->la_name
, exp
->nelts
,
1065 (long) sizeof (union exp_element
));
1066 fputs_filtered ("\n", stream
);
1068 for (elt
= 0; elt
< exp
->nelts
;)
1069 elt
= dump_subexp (exp
, stream
, elt
);
1070 fputs_filtered ("\n", stream
);