1 /* Print in infix form a struct expression.
3 Copyright 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
4 1998, 1999, 2000, 2003 Free 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 2 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, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330,
21 Boston, MA 02111-1307, USA. */
26 #include "expression.h"
29 #include "parser-defs.h"
30 #include "user-regs.h" /* For user_reg_map_regnum_to_name. */
32 #include "gdb_string.h"
39 /* Prototypes for local functions */
41 static void print_subexp (struct expression
*, int *, struct ui_file
*,
45 print_expression (struct expression
*exp
, struct ui_file
*stream
)
48 print_subexp (exp
, &pc
, stream
, PREC_NULL
);
51 /* Print the subexpression of EXP that starts in position POS, on STREAM.
52 PREC is the precedence of the surrounding operator;
53 if the precedence of the main operator of this subexpression is less,
54 parentheses are needed here. */
57 print_subexp (struct expression
*exp
, int *pos
,
58 struct ui_file
*stream
, enum precedence prec
)
61 const struct op_print
*op_print_tab
;
65 int assign_modify
= 0;
66 enum exp_opcode opcode
;
67 enum precedence myprec
= PREC_NULL
;
68 /* Set to 1 for a right-associative operator. */
73 op_print_tab
= exp
->language_defn
->la_op_print_tab
;
75 opcode
= exp
->elts
[pc
].opcode
;
83 fputs_filtered (type_name_no_tag (exp
->elts
[pc
+ 1].type
), stream
);
84 fputs_filtered ("::", stream
);
85 nargs
= longest_to_int (exp
->elts
[pc
+ 2].longconst
);
86 (*pos
) += 4 + BYTES_TO_EXP_ELEM (nargs
+ 1);
87 fputs_filtered (&exp
->elts
[pc
+ 3].string
, stream
);
92 value_print (value_from_longest (exp
->elts
[pc
+ 1].type
,
93 exp
->elts
[pc
+ 2].longconst
),
94 stream
, 0, Val_no_prettyprint
);
99 value_print (value_from_double (exp
->elts
[pc
+ 1].type
,
100 exp
->elts
[pc
+ 2].doubleconst
),
101 stream
, 0, Val_no_prettyprint
);
108 b
= exp
->elts
[pc
+ 1].block
;
110 && BLOCK_FUNCTION (b
) != NULL
111 && SYMBOL_PRINT_NAME (BLOCK_FUNCTION (b
)) != NULL
)
113 fputs_filtered (SYMBOL_PRINT_NAME (BLOCK_FUNCTION (b
)), stream
);
114 fputs_filtered ("::", stream
);
116 fputs_filtered (SYMBOL_PRINT_NAME (exp
->elts
[pc
+ 2].symbol
), stream
);
122 fprintf_filtered (stream
, "$%d",
123 longest_to_int (exp
->elts
[pc
+ 1].longconst
));
128 int regnum
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
129 const char *name
= user_reg_map_regnum_to_name (current_gdbarch
,
132 fprintf_filtered (stream
, "$%s", name
);
138 fprintf_filtered (stream
, "%s",
139 longest_to_int (exp
->elts
[pc
+ 1].longconst
)
145 fprintf_filtered (stream
, "$%s",
146 internalvar_name (exp
->elts
[pc
+ 1].internalvar
));
151 nargs
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
152 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
153 fputs_filtered (" (", stream
);
154 for (tem
= 0; tem
< nargs
; tem
++)
157 fputs_filtered (", ", stream
);
158 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
160 fputs_filtered (")", stream
);
165 nargs
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
166 (*pos
) += 3 + BYTES_TO_EXP_ELEM (nargs
+ 1);
167 fputs_filtered (&exp
->elts
[pc
+ 2].string
, stream
);
171 nargs
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
172 (*pos
) += 3 + BYTES_TO_EXP_ELEM (nargs
+ 1);
173 /* LA_PRINT_STRING will print using the current repeat count threshold.
174 If necessary, we can temporarily set it to zero, or pass it as an
175 additional parameter to LA_PRINT_STRING. -fnf */
176 LA_PRINT_STRING (stream
, &exp
->elts
[pc
+ 2].string
, nargs
, 1, 0);
180 nargs
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
182 += 3 + BYTES_TO_EXP_ELEM ((nargs
+ HOST_CHAR_BIT
- 1) / HOST_CHAR_BIT
);
183 fprintf_unfiltered (stream
, "B'<unimplemented>'");
186 case OP_OBJC_NSSTRING
: /* Objective-C Foundation Class NSString constant. */
187 nargs
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
188 (*pos
) += 3 + BYTES_TO_EXP_ELEM (nargs
+ 1);
189 fputs_filtered ("@\"", stream
);
190 LA_PRINT_STRING (stream
, &exp
->elts
[pc
+ 2].string
, nargs
, 1, 0);
191 fputs_filtered ("\"", stream
);
194 case OP_OBJC_MSGCALL
:
195 { /* Objective C message (method) call. */
198 nargs
= longest_to_int (exp
->elts
[pc
+ 2].longconst
);
199 fprintf_unfiltered (stream
, "[");
200 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
201 if (0 == target_read_string (exp
->elts
[pc
+ 1].longconst
,
202 &selector
, 1024, NULL
))
204 error ("bad selector");
210 s
= alloca (strlen (selector
) + 1);
211 strcpy (s
, selector
);
212 for (tem
= 0; tem
< nargs
; tem
++)
214 nextS
= strchr (s
, ':');
216 fprintf_unfiltered (stream
, " %s: ", s
);
218 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
223 fprintf_unfiltered (stream
, " %s", selector
);
225 fprintf_unfiltered (stream
, "]");
226 /* "selector" was malloc'd by target_read_string. Free it. */
233 nargs
= longest_to_int (exp
->elts
[pc
+ 2].longconst
);
234 nargs
-= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
237 if (exp
->elts
[pc
+ 4].opcode
== OP_LONG
238 && exp
->elts
[pc
+ 5].type
== builtin_type_char
239 && exp
->language_defn
->la_language
== language_c
)
241 /* Attempt to print C character arrays using string syntax.
242 Walk through the args, picking up one character from each
243 of the OP_LONG expression elements. If any array element
244 does not match our expection of what we should find for
245 a simple string, revert back to array printing. Note that
246 the last expression element is an explicit null terminator
247 byte, which doesn't get printed. */
248 tempstr
= alloca (nargs
);
252 if (exp
->elts
[pc
].opcode
!= OP_LONG
253 || exp
->elts
[pc
+ 1].type
!= builtin_type_char
)
255 /* Not a simple array of char, use regular array printing. */
262 longest_to_int (exp
->elts
[pc
+ 2].longconst
);
269 LA_PRINT_STRING (stream
, tempstr
, nargs
- 1, 1, 0);
274 fputs_filtered (" {", stream
);
275 for (tem
= 0; tem
< nargs
; tem
++)
279 fputs_filtered (", ", stream
);
281 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
283 fputs_filtered ("}", stream
);
288 tem
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
289 (*pos
) += 3 + BYTES_TO_EXP_ELEM (tem
+ 1);
290 /* Gcc support both these syntaxes. Unsure which is preferred. */
292 fputs_filtered (&exp
->elts
[pc
+ 2].string
, stream
);
293 fputs_filtered (": ", stream
);
295 fputs_filtered (".", stream
);
296 fputs_filtered (&exp
->elts
[pc
+ 2].string
, stream
);
297 fputs_filtered ("=", stream
);
299 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
303 if ((int) prec
> (int) PREC_COMMA
)
304 fputs_filtered ("(", stream
);
305 /* Print the subexpressions, forcing parentheses
306 around any binary operations within them.
307 This is more parentheses than are strictly necessary,
308 but it looks clearer. */
309 print_subexp (exp
, pos
, stream
, PREC_HYPER
);
310 fputs_filtered (" ? ", stream
);
311 print_subexp (exp
, pos
, stream
, PREC_HYPER
);
312 fputs_filtered (" : ", stream
);
313 print_subexp (exp
, pos
, stream
, PREC_HYPER
);
314 if ((int) prec
> (int) PREC_COMMA
)
315 fputs_filtered (")", stream
);
319 case TERNOP_SLICE_COUNT
:
320 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
321 fputs_filtered ("(", stream
);
322 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
323 fputs_filtered (opcode
== TERNOP_SLICE
? " : " : " UP ", stream
);
324 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
325 fputs_filtered (")", stream
);
328 case STRUCTOP_STRUCT
:
329 tem
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
330 (*pos
) += 3 + BYTES_TO_EXP_ELEM (tem
+ 1);
331 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
332 fputs_filtered (".", stream
);
333 fputs_filtered (&exp
->elts
[pc
+ 2].string
, stream
);
336 /* Will not occur for Modula-2 */
338 tem
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
339 (*pos
) += 3 + BYTES_TO_EXP_ELEM (tem
+ 1);
340 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
341 fputs_filtered ("->", stream
);
342 fputs_filtered (&exp
->elts
[pc
+ 2].string
, stream
);
345 case BINOP_SUBSCRIPT
:
346 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
347 fputs_filtered ("[", stream
);
348 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
349 fputs_filtered ("]", stream
);
352 case UNOP_POSTINCREMENT
:
353 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
354 fputs_filtered ("++", stream
);
357 case UNOP_POSTDECREMENT
:
358 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
359 fputs_filtered ("--", stream
);
364 if ((int) prec
> (int) PREC_PREFIX
)
365 fputs_filtered ("(", stream
);
366 fputs_filtered ("(", stream
);
367 type_print (exp
->elts
[pc
+ 1].type
, "", stream
, 0);
368 fputs_filtered (") ", stream
);
369 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
370 if ((int) prec
> (int) PREC_PREFIX
)
371 fputs_filtered (")", stream
);
376 if ((int) prec
> (int) PREC_PREFIX
)
377 fputs_filtered ("(", stream
);
378 if (TYPE_CODE (exp
->elts
[pc
+ 1].type
) == TYPE_CODE_FUNC
&&
379 exp
->elts
[pc
+ 3].opcode
== OP_LONG
)
381 /* We have a minimal symbol fn, probably. It's encoded
382 as a UNOP_MEMVAL (function-type) of an OP_LONG (int, address).
383 Swallow the OP_LONG (including both its opcodes); ignore
384 its type; print the value in the type of the MEMVAL. */
386 val
= value_at_lazy (exp
->elts
[pc
+ 1].type
,
387 (CORE_ADDR
) exp
->elts
[pc
+ 5].longconst
,
389 value_print (val
, stream
, 0, Val_no_prettyprint
);
393 fputs_filtered ("{", stream
);
394 type_print (exp
->elts
[pc
+ 1].type
, "", stream
, 0);
395 fputs_filtered ("} ", stream
);
396 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
398 if ((int) prec
> (int) PREC_PREFIX
)
399 fputs_filtered (")", stream
);
402 case BINOP_ASSIGN_MODIFY
:
403 opcode
= exp
->elts
[pc
+ 1].opcode
;
405 myprec
= PREC_ASSIGN
;
409 for (tem
= 0; op_print_tab
[tem
].opcode
!= OP_NULL
; tem
++)
410 if (op_print_tab
[tem
].opcode
== opcode
)
412 op_str
= op_print_tab
[tem
].string
;
415 if (op_print_tab
[tem
].opcode
!= opcode
)
416 /* Not found; don't try to keep going because we don't know how
417 to interpret further elements. */
418 error ("Invalid expression");
425 fputs_filtered ("this", stream
);
428 /* Objective-C ops */
432 fputs_filtered ("self", stream
); /* The ObjC equivalent of "this". */
437 case MULTI_SUBSCRIPT
:
439 nargs
= longest_to_int (exp
->elts
[pc
+ 1].longconst
);
440 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
441 fprintf_unfiltered (stream
, " [");
442 for (tem
= 0; tem
< nargs
; tem
++)
445 fprintf_unfiltered (stream
, ", ");
446 print_subexp (exp
, pos
, stream
, PREC_ABOVE_COMMA
);
448 fprintf_unfiltered (stream
, "]");
453 fprintf_unfiltered (stream
, "VAL(");
454 type_print (exp
->elts
[pc
+ 1].type
, "", stream
, 0);
455 fprintf_unfiltered (stream
, ",");
456 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
457 fprintf_unfiltered (stream
, ")");
462 error ("print_subexp: Not implemented.");
468 for (tem
= 0; op_print_tab
[tem
].opcode
!= OP_NULL
; tem
++)
469 if (op_print_tab
[tem
].opcode
== opcode
)
471 op_str
= op_print_tab
[tem
].string
;
472 myprec
= op_print_tab
[tem
].precedence
;
473 assoc
= op_print_tab
[tem
].right_assoc
;
476 if (op_print_tab
[tem
].opcode
!= opcode
)
477 /* Not found; don't try to keep going because we don't know how
478 to interpret further elements. For example, this happens
479 if opcode is OP_TYPE. */
480 error ("Invalid expression");
483 /* Note that PREC_BUILTIN will always emit parentheses. */
484 if ((int) myprec
< (int) prec
)
485 fputs_filtered ("(", stream
);
486 if ((int) opcode
> (int) BINOP_END
)
490 /* Unary postfix operator. */
491 print_subexp (exp
, pos
, stream
, PREC_SUFFIX
);
492 fputs_filtered (op_str
, stream
);
496 /* Unary prefix operator. */
497 fputs_filtered (op_str
, stream
);
498 if (myprec
== PREC_BUILTIN_FUNCTION
)
499 fputs_filtered ("(", stream
);
500 print_subexp (exp
, pos
, stream
, PREC_PREFIX
);
501 if (myprec
== PREC_BUILTIN_FUNCTION
)
502 fputs_filtered (")", stream
);
507 /* Binary operator. */
508 /* Print left operand.
509 If operator is right-associative,
510 increment precedence for this operand. */
511 print_subexp (exp
, pos
, stream
,
512 (enum precedence
) ((int) myprec
+ assoc
));
513 /* Print the operator itself. */
515 fprintf_filtered (stream
, " %s= ", op_str
);
516 else if (op_str
[0] == ',')
517 fprintf_filtered (stream
, "%s ", op_str
);
519 fprintf_filtered (stream
, " %s ", op_str
);
520 /* Print right operand.
521 If operator is left-associative,
522 increment precedence for this operand. */
523 print_subexp (exp
, pos
, stream
,
524 (enum precedence
) ((int) myprec
+ !assoc
));
527 if ((int) myprec
< (int) prec
)
528 fputs_filtered (")", stream
);
531 /* Return the operator corresponding to opcode OP as
532 a string. NULL indicates that the opcode was not found in the
533 current language table. */
535 op_string (enum exp_opcode op
)
538 const struct op_print
*op_print_tab
;
540 op_print_tab
= current_language
->la_op_print_tab
;
541 for (tem
= 0; op_print_tab
[tem
].opcode
!= OP_NULL
; tem
++)
542 if (op_print_tab
[tem
].opcode
== op
)
543 return op_print_tab
[tem
].string
;
547 /* Support for dumping the raw data from expressions in a human readable
550 static char *op_name (int opcode
);
551 static int dump_subexp_body (struct expression
*exp
, struct ui_file
*, int);
562 sprintf (buf
, "<unknown %d>", opcode
);
583 case BINOP_LOGICAL_AND
:
584 return "BINOP_LOGICAL_AND";
585 case BINOP_LOGICAL_OR
:
586 return "BINOP_LOGICAL_OR";
587 case BINOP_BITWISE_AND
:
588 return "BINOP_BITWISE_AND";
589 case BINOP_BITWISE_IOR
:
590 return "BINOP_BITWISE_IOR";
591 case BINOP_BITWISE_XOR
:
592 return "BINOP_BITWISE_XOR";
594 return "BINOP_EQUAL";
596 return "BINOP_NOTEQUAL";
606 return "BINOP_REPEAT";
608 return "BINOP_ASSIGN";
610 return "BINOP_COMMA";
611 case BINOP_SUBSCRIPT
:
612 return "BINOP_SUBSCRIPT";
613 case MULTI_SUBSCRIPT
:
614 return "MULTI_SUBSCRIPT";
621 case STRUCTOP_MEMBER
:
622 return "STRUCTOP_MEMBER";
624 return "STRUCTOP_MPTR";
626 return "BINOP_INTDIV";
627 case BINOP_ASSIGN_MODIFY
:
628 return "BINOP_ASSIGN_MODIFY";
636 return "BINOP_CONCAT";
638 return "BINOP_RANGE";
642 return "TERNOP_COND";
644 return "TERNOP_SLICE";
645 case TERNOP_SLICE_COUNT
:
646 return "TERNOP_SLICE_COUNT";
652 return "OP_VAR_VALUE";
656 return "OP_REGISTER";
658 return "OP_INTERNALVAR";
664 return "OP_BITSTRING";
670 return "UNOP_MEMVAL";
673 case UNOP_LOGICAL_NOT
:
674 return "UNOP_LOGICAL_NOT";
675 case UNOP_COMPLEMENT
:
676 return "UNOP_COMPLEMENT";
681 case UNOP_PREINCREMENT
:
682 return "UNOP_PREINCREMENT";
683 case UNOP_POSTINCREMENT
:
684 return "UNOP_POSTINCREMENT";
685 case UNOP_PREDECREMENT
:
686 return "UNOP_PREDECREMENT";
687 case UNOP_POSTDECREMENT
:
688 return "UNOP_POSTDECREMENT";
690 return "UNOP_SIZEOF";
696 return "UNOP_LENGTH";
722 return "OP_M2_STRING";
723 case STRUCTOP_STRUCT
:
724 return "STRUCTOP_STRUCT";
726 return "STRUCTOP_PTR";
730 return "OP_OBJC_SELF";
741 dump_raw_expression (struct expression
*exp
, struct ui_file
*stream
,
749 fprintf_filtered (stream
, "Dump of expression @ ");
750 gdb_print_host_address (exp
, stream
);
751 fprintf_filtered (stream
, "'\n\tLanguage %s, %d elements, %ld bytes each.\n",
752 exp
->language_defn
->la_name
, exp
->nelts
,
753 (long) sizeof (union exp_element
));
754 fprintf_filtered (stream
, "\t%5s %20s %16s %s\n", "Index", "Opcode",
755 "Hex Value", "String Value");
756 for (elt
= 0; elt
< exp
->nelts
; elt
++)
758 fprintf_filtered (stream
, "\t%5d ", elt
);
759 opcode_name
= op_name (exp
->elts
[elt
].opcode
);
761 fprintf_filtered (stream
, "%20s ", opcode_name
);
762 print_longest (stream
, 'd', 0, exp
->elts
[elt
].longconst
);
763 fprintf_filtered (stream
, " ");
765 for (eltscan
= (char *) &exp
->elts
[elt
],
766 eltsize
= sizeof (union exp_element
);
770 fprintf_filtered (stream
, "%c",
771 isprint (*eltscan
) ? (*eltscan
& 0xFF) : '.');
773 fprintf_filtered (stream
, "\n");
777 /* Dump the subexpression of prefix expression EXP whose operator is at
778 position ELT onto STREAM. Returns the position of the next
779 subexpression in EXP. */
782 dump_subexp (struct expression
*exp
, struct ui_file
*stream
, int elt
)
784 static int indent
= 0;
787 fprintf_filtered (stream
, "\n");
788 fprintf_filtered (stream
, "\t%5d ", elt
);
790 for (i
= 1; i
<= indent
; i
++)
791 fprintf_filtered (stream
, " ");
794 fprintf_filtered (stream
, "%-20s ", op_name (exp
->elts
[elt
].opcode
));
796 elt
= dump_subexp_body (exp
, stream
, elt
);
803 /* Dump the operands of prefix expression EXP whose opcode is at
804 position ELT onto STREAM. Returns the position of the next
805 subexpression in EXP. */
808 dump_subexp_body (struct expression
*exp
, struct ui_file
*stream
, int elt
)
810 int opcode
= exp
->elts
[elt
++].opcode
;
816 case TERNOP_SLICE_COUNT
:
817 elt
= dump_subexp (exp
, stream
, elt
);
826 case BINOP_LOGICAL_AND
:
827 case BINOP_LOGICAL_OR
:
828 case BINOP_BITWISE_AND
:
829 case BINOP_BITWISE_IOR
:
830 case BINOP_BITWISE_XOR
:
840 case BINOP_SUBSCRIPT
:
845 case BINOP_ASSIGN_MODIFY
:
853 elt
= dump_subexp (exp
, stream
, elt
);
855 case UNOP_LOGICAL_NOT
:
856 case UNOP_COMPLEMENT
:
859 case UNOP_PREINCREMENT
:
860 case UNOP_POSTINCREMENT
:
861 case UNOP_PREDECREMENT
:
862 case UNOP_POSTDECREMENT
:
881 elt
= dump_subexp (exp
, stream
, elt
);
884 fprintf_filtered (stream
, "Type @");
885 gdb_print_host_address (exp
->elts
[elt
].type
, stream
);
886 fprintf_filtered (stream
, " (");
887 type_print (exp
->elts
[elt
].type
, NULL
, stream
, 0);
888 fprintf_filtered (stream
, "), value %ld (0x%lx)",
889 (long) exp
->elts
[elt
+ 1].longconst
,
890 (long) exp
->elts
[elt
+ 1].longconst
);
894 fprintf_filtered (stream
, "Type @");
895 gdb_print_host_address (exp
->elts
[elt
].type
, stream
);
896 fprintf_filtered (stream
, " (");
897 type_print (exp
->elts
[elt
].type
, NULL
, stream
, 0);
898 fprintf_filtered (stream
, "), value %g",
899 (double) exp
->elts
[elt
+ 1].doubleconst
);
903 fprintf_filtered (stream
, "Block @");
904 gdb_print_host_address (exp
->elts
[elt
].block
, stream
);
905 fprintf_filtered (stream
, ", symbol @");
906 gdb_print_host_address (exp
->elts
[elt
+ 1].symbol
, stream
);
907 fprintf_filtered (stream
, " (%s)",
908 DEPRECATED_SYMBOL_NAME (exp
->elts
[elt
+ 1].symbol
));
912 fprintf_filtered (stream
, "History element %ld",
913 (long) exp
->elts
[elt
].longconst
);
917 fprintf_filtered (stream
, "Register %ld",
918 (long) exp
->elts
[elt
].longconst
);
922 fprintf_filtered (stream
, "Internal var @");
923 gdb_print_host_address (exp
->elts
[elt
].internalvar
, stream
);
924 fprintf_filtered (stream
, " (%s)",
925 exp
->elts
[elt
].internalvar
->name
);
932 nargs
= longest_to_int (exp
->elts
[elt
].longconst
);
934 fprintf_filtered (stream
, "Number of args: %d", nargs
);
937 for (i
= 1; i
<= nargs
+ 1; i
++)
938 elt
= dump_subexp (exp
, stream
, elt
);
946 lower
= longest_to_int (exp
->elts
[elt
].longconst
);
947 upper
= longest_to_int (exp
->elts
[elt
+ 1].longconst
);
949 fprintf_filtered (stream
, "Bounds [%d:%d]", lower
, upper
);
952 for (i
= 1; i
<= upper
- lower
+ 1; i
++)
953 elt
= dump_subexp (exp
, stream
, elt
);
958 fprintf_filtered (stream
, "Type @");
959 gdb_print_host_address (exp
->elts
[elt
].type
, stream
);
960 fprintf_filtered (stream
, " (");
961 type_print (exp
->elts
[elt
].type
, NULL
, stream
, 0);
962 fprintf_filtered (stream
, ")");
963 elt
= dump_subexp (exp
, stream
, elt
+ 2);
966 fprintf_filtered (stream
, "Type @");
967 gdb_print_host_address (exp
->elts
[elt
].type
, stream
);
968 fprintf_filtered (stream
, " (");
969 type_print (exp
->elts
[elt
].type
, NULL
, stream
, 0);
970 fprintf_filtered (stream
, ")");
973 case STRUCTOP_STRUCT
:
979 len
= longest_to_int (exp
->elts
[elt
].longconst
);
980 elem_name
= &exp
->elts
[elt
+ 1].string
;
982 fprintf_filtered (stream
, "Element name: `%.*s'", len
, elem_name
);
983 elt
= dump_subexp (exp
, stream
, elt
+ 3 + BYTES_TO_EXP_ELEM (len
+ 1));
991 fprintf_filtered (stream
, "Type @");
992 gdb_print_host_address (exp
->elts
[elt
].type
, stream
);
993 fprintf_filtered (stream
, " (");
994 type_print (exp
->elts
[elt
].type
, NULL
, stream
, 0);
995 fprintf_filtered (stream
, ") ");
997 len
= longest_to_int (exp
->elts
[elt
+ 1].longconst
);
998 elem_name
= &exp
->elts
[elt
+ 2].string
;
1000 fprintf_filtered (stream
, "Field name: `%.*s'", len
, elem_name
);
1001 elt
+= 4 + BYTES_TO_EXP_ELEM (len
+ 1);
1006 case STRUCTOP_MEMBER
:
1008 case MULTI_SUBSCRIPT
:
1009 case OP_F77_UNDETERMINED_ARGLIST
:
1019 fprintf_filtered (stream
, "Unknown format");
1026 dump_prefix_expression (struct expression
*exp
, struct ui_file
*stream
)
1030 fprintf_filtered (stream
, "Dump of expression @ ");
1031 gdb_print_host_address (exp
, stream
);
1032 fputs_filtered (", after conversion to prefix form:\nExpression: `", stream
);
1033 if (exp
->elts
[0].opcode
!= OP_TYPE
)
1034 print_expression (exp
, stream
);
1036 fputs_filtered ("Type printing not yet supported....", stream
);
1037 fprintf_filtered (stream
, "'\n\tLanguage %s, %d elements, %ld bytes each.\n",
1038 exp
->language_defn
->la_name
, exp
->nelts
,
1039 (long) sizeof (union exp_element
));
1040 fputs_filtered ("\n", stream
);
1042 for (elt
= 0; elt
< exp
->nelts
;)
1043 elt
= dump_subexp (exp
, stream
, elt
);
1044 fputs_filtered ("\n", stream
);