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
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);
140 fprintf_filtered (stream, "$%d",
141 longest_to_int (exp->elts[pc + 1].longconst));
146 const char *name = &exp->elts[pc + 2].string;
148 (*pos) += 3 + BYTES_TO_EXP_ELEM (exp->elts[pc + 1].longconst + 1);
149 fprintf_filtered (stream, "$%s", name);
155 fprintf_filtered (stream, "%s",
156 longest_to_int (exp->elts[pc + 1].longconst)
162 fprintf_filtered (stream, "$%s",
163 internalvar_name (exp->elts[pc + 1].internalvar));
168 nargs = longest_to_int (exp->elts[pc + 1].longconst);
169 print_subexp (exp, pos, stream, PREC_SUFFIX);
170 fputs_filtered (" (", stream);
171 for (tem = 0; tem < nargs; tem++)
174 fputs_filtered (", ", stream);
175 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
177 fputs_filtered (")", stream);
181 nargs = longest_to_int (exp->elts[pc + 1].longconst);
182 (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
183 fputs_filtered (&exp->elts[pc + 2].string, stream);
188 struct value_print_options opts;
190 nargs = longest_to_int (exp->elts[pc + 1].longconst);
191 (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
192 /* LA_PRINT_STRING will print using the current repeat count threshold.
193 If necessary, we can temporarily set it to zero, or pass it as an
194 additional parameter to LA_PRINT_STRING. -fnf */
195 get_user_print_options (&opts);
196 LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
197 &exp->elts[pc + 2].string, nargs, NULL, 0, &opts);
202 nargs = longest_to_int (exp->elts[pc + 1].longconst);
204 += 3 + BYTES_TO_EXP_ELEM ((nargs + HOST_CHAR_BIT - 1) / HOST_CHAR_BIT);
205 fprintf_unfiltered (stream, "B'<unimplemented>'");
208 case OP_OBJC_NSSTRING: /* Objective-C Foundation Class NSString constant. */
210 struct value_print_options opts;
212 nargs = longest_to_int (exp->elts[pc + 1].longconst);
213 (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
214 fputs_filtered ("@\"", stream);
215 get_user_print_options (&opts);
216 LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
217 &exp->elts[pc + 2].string, nargs, NULL, 0, &opts);
218 fputs_filtered ("\"", stream);
222 case OP_OBJC_MSGCALL:
223 { /* Objective C message (method) call. */
227 nargs = longest_to_int (exp->elts[pc + 2].longconst);
228 fprintf_unfiltered (stream, "[");
229 print_subexp (exp, pos, stream, PREC_SUFFIX);
230 if (0 == target_read_string (exp->elts[pc + 1].longconst,
231 &selector, 1024, NULL))
233 error (_("bad selector"));
240 s = alloca (strlen (selector) + 1);
241 strcpy (s, selector);
242 for (tem = 0; tem < nargs; tem++)
244 nextS = strchr (s, ':');
245 gdb_assert (nextS); /* Make sure we found ':'. */
247 fprintf_unfiltered (stream, " %s: ", s);
249 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
254 fprintf_unfiltered (stream, " %s", selector);
256 fprintf_unfiltered (stream, "]");
257 /* "selector" was malloc'd by target_read_string. Free it. */
264 nargs = longest_to_int (exp->elts[pc + 2].longconst);
265 nargs -= longest_to_int (exp->elts[pc + 1].longconst);
268 if (exp->elts[pc + 4].opcode == OP_LONG
269 && exp->elts[pc + 5].type
270 == builtin_type (exp->gdbarch)->builtin_char
271 && exp->language_defn->la_language == language_c)
273 /* Attempt to print C character arrays using string syntax.
274 Walk through the args, picking up one character from each
275 of the OP_LONG expression elements. If any array element
276 does not match our expection of what we should find for
277 a simple string, revert back to array printing. Note that
278 the last expression element is an explicit null terminator
279 byte, which doesn't get printed. */
280 tempstr = alloca (nargs);
284 if (exp->elts[pc].opcode != OP_LONG
285 || exp->elts[pc + 1].type
286 != builtin_type (exp->gdbarch)->builtin_char)
288 /* Not a simple array of char, use regular array printing. */
295 longest_to_int (exp->elts[pc + 2].longconst);
302 struct value_print_options opts;
304 get_user_print_options (&opts);
305 LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
306 tempstr, nargs - 1, NULL, 0, &opts);
311 fputs_filtered (" {", stream);
312 for (tem = 0; tem < nargs; tem++)
316 fputs_filtered (", ", stream);
318 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
320 fputs_filtered ("}", stream);
325 tem = longest_to_int (exp->elts[pc + 1].longconst);
326 (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
327 /* Gcc support both these syntaxes. Unsure which is preferred. */
329 fputs_filtered (&exp->elts[pc + 2].string, stream);
330 fputs_filtered (": ", stream);
332 fputs_filtered (".", stream);
333 fputs_filtered (&exp->elts[pc + 2].string, stream);
334 fputs_filtered ("=", stream);
336 print_subexp (exp, pos, stream, PREC_SUFFIX);
340 if ((int) prec > (int) PREC_COMMA)
341 fputs_filtered ("(", stream);
342 /* Print the subexpressions, forcing parentheses
343 around any binary operations within them.
344 This is more parentheses than are strictly necessary,
345 but it looks clearer. */
346 print_subexp (exp, pos, stream, PREC_HYPER);
347 fputs_filtered (" ? ", stream);
348 print_subexp (exp, pos, stream, PREC_HYPER);
349 fputs_filtered (" : ", stream);
350 print_subexp (exp, pos, stream, PREC_HYPER);
351 if ((int) prec > (int) PREC_COMMA)
352 fputs_filtered (")", stream);
356 case TERNOP_SLICE_COUNT:
357 print_subexp (exp, pos, stream, PREC_SUFFIX);
358 fputs_filtered ("(", stream);
359 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
360 fputs_filtered (opcode == TERNOP_SLICE ? " : " : " UP ", stream);
361 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
362 fputs_filtered (")", stream);
365 case STRUCTOP_STRUCT:
366 tem = longest_to_int (exp->elts[pc + 1].longconst);
367 (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
368 print_subexp (exp, pos, stream, PREC_SUFFIX);
369 fputs_filtered (".", stream);
370 fputs_filtered (&exp->elts[pc + 2].string, stream);
373 /* Will not occur for Modula-2 */
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 case STRUCTOP_MEMBER:
383 print_subexp (exp, pos, stream, PREC_SUFFIX);
384 fputs_filtered (".*", stream);
385 print_subexp (exp, pos, stream, PREC_SUFFIX);
389 print_subexp (exp, pos, stream, PREC_SUFFIX);
390 fputs_filtered ("->*", stream);
391 print_subexp (exp, pos, stream, PREC_SUFFIX);
394 case BINOP_SUBSCRIPT:
395 print_subexp (exp, pos, stream, PREC_SUFFIX);
396 fputs_filtered ("[", stream);
397 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
398 fputs_filtered ("]", stream);
401 case UNOP_POSTINCREMENT:
402 print_subexp (exp, pos, stream, PREC_SUFFIX);
403 fputs_filtered ("++", stream);
406 case UNOP_POSTDECREMENT:
407 print_subexp (exp, pos, stream, PREC_SUFFIX);
408 fputs_filtered ("--", stream);
413 if ((int) prec > (int) PREC_PREFIX)
414 fputs_filtered ("(", stream);
415 fputs_filtered ("(", stream);
416 type_print (exp->elts[pc + 1].type, "", stream, 0);
417 fputs_filtered (") ", stream);
418 print_subexp (exp, pos, stream, PREC_PREFIX);
419 if ((int) prec > (int) PREC_PREFIX)
420 fputs_filtered (")", stream);
423 case UNOP_DYNAMIC_CAST:
424 case UNOP_REINTERPRET_CAST:
425 fputs_filtered (opcode == UNOP_DYNAMIC_CAST ? "dynamic_cast"
426 : "reinterpret_cast", stream);
427 fputs_filtered ("<", stream);
429 type_print (exp->elts[pc + 1].type, "", stream, 0);
430 fputs_filtered ("> (", stream);
431 print_subexp (exp, pos, stream, PREC_PREFIX);
432 fputs_filtered (")", stream);
437 if ((int) prec > (int) PREC_PREFIX)
438 fputs_filtered ("(", stream);
439 if (TYPE_CODE (exp->elts[pc + 1].type) == TYPE_CODE_FUNC
440 && exp->elts[pc + 3].opcode == OP_LONG)
442 struct value_print_options opts;
444 /* We have a minimal symbol fn, probably. It's encoded
445 as a UNOP_MEMVAL (function-type) of an OP_LONG (int, address).
446 Swallow the OP_LONG (including both its opcodes); ignore
447 its type; print the value in the type of the MEMVAL. */
449 val = value_at_lazy (exp->elts[pc + 1].type,
450 (CORE_ADDR) exp->elts[pc + 5].longconst);
451 get_raw_print_options (&opts);
452 value_print (val, stream, &opts);
456 fputs_filtered ("{", stream);
457 type_print (exp->elts[pc + 1].type, "", stream, 0);
458 fputs_filtered ("} ", stream);
459 print_subexp (exp, pos, stream, PREC_PREFIX);
461 if ((int) prec > (int) PREC_PREFIX)
462 fputs_filtered (")", stream);
465 case UNOP_MEMVAL_TLS:
467 if ((int) prec > (int) PREC_PREFIX)
468 fputs_filtered ("(", stream);
469 fputs_filtered ("{", stream);
470 type_print (exp->elts[pc + 2].type, "", stream, 0);
471 fputs_filtered ("} ", stream);
472 print_subexp (exp, pos, stream, PREC_PREFIX);
473 if ((int) prec > (int) PREC_PREFIX)
474 fputs_filtered (")", stream);
477 case BINOP_ASSIGN_MODIFY:
478 opcode = exp->elts[pc + 1].opcode;
480 myprec = PREC_ASSIGN;
484 for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
485 if (op_print_tab[tem].opcode == opcode)
487 op_str = op_print_tab[tem].string;
490 if (op_print_tab[tem].opcode != opcode)
491 /* Not found; don't try to keep going because we don't know how
492 to interpret further elements. */
493 error (_("Invalid expression"));
500 fputs_filtered ("this", stream);
503 /* Objective-C ops */
507 fputs_filtered ("self", stream); /* The ObjC equivalent of "this". */
512 case MULTI_SUBSCRIPT:
514 nargs = longest_to_int (exp->elts[pc + 1].longconst);
515 print_subexp (exp, pos, stream, PREC_SUFFIX);
516 fprintf_unfiltered (stream, " [");
517 for (tem = 0; tem < nargs; tem++)
520 fprintf_unfiltered (stream, ", ");
521 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
523 fprintf_unfiltered (stream, "]");
528 fprintf_unfiltered (stream, "VAL(");
529 type_print (exp->elts[pc + 1].type, "", stream, 0);
530 fprintf_unfiltered (stream, ",");
531 print_subexp (exp, pos, stream, PREC_PREFIX);
532 fprintf_unfiltered (stream, ")");
537 error (_("print_subexp: Not implemented."));
543 for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
544 if (op_print_tab[tem].opcode == opcode)
546 op_str = op_print_tab[tem].string;
547 myprec = op_print_tab[tem].precedence;
548 assoc = op_print_tab[tem].right_assoc;
551 if (op_print_tab[tem].opcode != opcode)
552 /* Not found; don't try to keep going because we don't know how
553 to interpret further elements. For example, this happens
554 if opcode is OP_TYPE. */
555 error (_("Invalid expression"));
558 /* Note that PREC_BUILTIN will always emit parentheses. */
559 if ((int) myprec < (int) prec)
560 fputs_filtered ("(", stream);
561 if ((int) opcode > (int) BINOP_END)
565 /* Unary postfix operator. */
566 print_subexp (exp, pos, stream, PREC_SUFFIX);
567 fputs_filtered (op_str, stream);
571 /* Unary prefix operator. */
572 fputs_filtered (op_str, stream);
573 if (myprec == PREC_BUILTIN_FUNCTION)
574 fputs_filtered ("(", stream);
575 print_subexp (exp, pos, stream, PREC_PREFIX);
576 if (myprec == PREC_BUILTIN_FUNCTION)
577 fputs_filtered (")", stream);
582 /* Binary operator. */
583 /* Print left operand.
584 If operator is right-associative,
585 increment precedence for this operand. */
586 print_subexp (exp, pos, stream,
587 (enum precedence) ((int) myprec + assoc));
588 /* Print the operator itself. */
590 fprintf_filtered (stream, " %s= ", op_str);
591 else if (op_str[0] == ',')
592 fprintf_filtered (stream, "%s ", op_str);
594 fprintf_filtered (stream, " %s ", op_str);
595 /* Print right operand.
596 If operator is left-associative,
597 increment precedence for this operand. */
598 print_subexp (exp, pos, stream,
599 (enum precedence) ((int) myprec + !assoc));
602 if ((int) myprec < (int) prec)
603 fputs_filtered (")", stream);
606 /* Return the operator corresponding to opcode OP as
607 a string. NULL indicates that the opcode was not found in the
608 current language table. */
610 op_string (enum exp_opcode op)
613 const struct op_print *op_print_tab;
615 op_print_tab = current_language->la_op_print_tab;
616 for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
617 if (op_print_tab[tem].opcode == op)
618 return op_print_tab[tem].string;
622 /* Support for dumping the raw data from expressions in a human readable
625 static char *op_name (struct expression *, enum exp_opcode);
626 static int dump_subexp_body (struct expression *exp, struct ui_file *, int);
628 /* Name for OPCODE, when it appears in expression EXP. */
631 op_name (struct expression *exp, enum exp_opcode opcode)
633 return exp->language_defn->la_exp_desc->op_name (opcode);
636 /* Default name for the standard operator OPCODE (i.e., one defined in
637 the definition of enum exp_opcode). */
640 op_name_standard (enum exp_opcode opcode)
648 sprintf (buf, "<unknown %d>", opcode);
669 case BINOP_LOGICAL_AND:
670 return "BINOP_LOGICAL_AND";
671 case BINOP_LOGICAL_OR:
672 return "BINOP_LOGICAL_OR";
673 case BINOP_BITWISE_AND:
674 return "BINOP_BITWISE_AND";
675 case BINOP_BITWISE_IOR:
676 return "BINOP_BITWISE_IOR";
677 case BINOP_BITWISE_XOR:
678 return "BINOP_BITWISE_XOR";
680 return "BINOP_EQUAL";
682 return "BINOP_NOTEQUAL";
692 return "BINOP_REPEAT";
694 return "BINOP_ASSIGN";
696 return "BINOP_COMMA";
697 case BINOP_SUBSCRIPT:
698 return "BINOP_SUBSCRIPT";
699 case MULTI_SUBSCRIPT:
700 return "MULTI_SUBSCRIPT";
707 case STRUCTOP_MEMBER:
708 return "STRUCTOP_MEMBER";
710 return "STRUCTOP_MPTR";
712 return "BINOP_INTDIV";
713 case BINOP_ASSIGN_MODIFY:
714 return "BINOP_ASSIGN_MODIFY";
722 return "BINOP_CONCAT";
724 return "BINOP_RANGE";
728 return "TERNOP_COND";
730 return "TERNOP_SLICE";
731 case TERNOP_SLICE_COUNT:
732 return "TERNOP_SLICE_COUNT";
738 return "OP_VAR_VALUE";
742 return "OP_REGISTER";
744 return "OP_INTERNALVAR";
750 return "OP_BITSTRING";
755 case UNOP_DYNAMIC_CAST:
756 return "UNOP_DYNAMIC_CAST";
757 case UNOP_REINTERPRET_CAST:
758 return "UNOP_REINTERPRET_CAST";
760 return "UNOP_MEMVAL";
761 case UNOP_MEMVAL_TLS:
762 return "UNOP_MEMVAL_TLS";
765 case UNOP_LOGICAL_NOT:
766 return "UNOP_LOGICAL_NOT";
767 case UNOP_COMPLEMENT:
768 return "UNOP_COMPLEMENT";
773 case UNOP_PREINCREMENT:
774 return "UNOP_PREINCREMENT";
775 case UNOP_POSTINCREMENT:
776 return "UNOP_POSTINCREMENT";
777 case UNOP_PREDECREMENT:
778 return "UNOP_PREDECREMENT";
779 case UNOP_POSTDECREMENT:
780 return "UNOP_POSTDECREMENT";
782 return "UNOP_SIZEOF";
788 return "UNOP_LENGTH";
814 return "OP_M2_STRING";
815 case STRUCTOP_STRUCT:
816 return "STRUCTOP_STRUCT";
818 return "STRUCTOP_PTR";
822 return "OP_OBJC_SELF";
830 return "OP_ADL_FUNC";
834 /* Print a raw dump of expression EXP to STREAM.
835 NOTE, if non-NULL, is printed as extra explanatory text. */
838 dump_raw_expression (struct expression *exp, struct ui_file *stream,
846 fprintf_filtered (stream, "Dump of expression @ ");
847 gdb_print_host_address (exp, stream);
849 fprintf_filtered (stream, ", %s:", note);
850 fprintf_filtered (stream, "\n\tLanguage %s, %d elements, %ld bytes each.\n",
851 exp->language_defn->la_name, exp->nelts,
852 (long) sizeof (union exp_element));
853 fprintf_filtered (stream, "\t%5s %20s %16s %s\n", "Index", "Opcode",
854 "Hex Value", "String Value");
855 for (elt = 0; elt < exp->nelts; elt++)
857 fprintf_filtered (stream, "\t%5d ", elt);
858 opcode_name = op_name (exp, exp->elts[elt].opcode);
860 fprintf_filtered (stream, "%20s ", opcode_name);
861 print_longest (stream, 'd', 0, exp->elts[elt].longconst);
862 fprintf_filtered (stream, " ");
864 for (eltscan = (char *) &exp->elts[elt],
865 eltsize = sizeof (union exp_element);
869 fprintf_filtered (stream, "%c",
870 isprint (*eltscan) ? (*eltscan & 0xFF) : '.');
872 fprintf_filtered (stream, "\n");
876 /* Dump the subexpression of prefix expression EXP whose operator is at
877 position ELT onto STREAM. Returns the position of the next
878 subexpression in EXP. */
881 dump_subexp (struct expression *exp, struct ui_file *stream, int elt)
883 static int indent = 0;
886 fprintf_filtered (stream, "\n");
887 fprintf_filtered (stream, "\t%5d ", elt);
889 for (i = 1; i <= indent; i++)
890 fprintf_filtered (stream, " ");
893 fprintf_filtered (stream, "%-20s ", op_name (exp, exp->elts[elt].opcode));
895 elt = dump_subexp_body (exp, stream, elt);
902 /* Dump the operands of prefix expression EXP whose opcode is at
903 position ELT onto STREAM. Returns the position of the next
904 subexpression in EXP. */
907 dump_subexp_body (struct expression *exp, struct ui_file *stream, int elt)
909 return exp->language_defn->la_exp_desc->dump_subexp_body (exp, stream, elt);
912 /* Default value for subexp_body in exp_descriptor vector. */
915 dump_subexp_body_standard (struct expression *exp,
916 struct ui_file *stream, int elt)
918 int opcode = exp->elts[elt++].opcode;
924 case TERNOP_SLICE_COUNT:
925 elt = dump_subexp (exp, stream, elt);
934 case BINOP_LOGICAL_AND:
935 case BINOP_LOGICAL_OR:
936 case BINOP_BITWISE_AND:
937 case BINOP_BITWISE_IOR:
938 case BINOP_BITWISE_XOR:
948 case BINOP_SUBSCRIPT:
953 case BINOP_ASSIGN_MODIFY:
961 case STRUCTOP_MEMBER:
963 elt = dump_subexp (exp, stream, elt);
965 case UNOP_LOGICAL_NOT:
966 case UNOP_COMPLEMENT:
969 case UNOP_PREINCREMENT:
970 case UNOP_POSTINCREMENT:
971 case UNOP_PREDECREMENT:
972 case UNOP_POSTDECREMENT:
991 elt = dump_subexp (exp, stream, elt);
994 fprintf_filtered (stream, "Type @");
995 gdb_print_host_address (exp->elts[elt].type, stream);
996 fprintf_filtered (stream, " (");
997 type_print (exp->elts[elt].type, NULL, stream, 0);
998 fprintf_filtered (stream, "), value %ld (0x%lx)",
999 (long) exp->elts[elt + 1].longconst,
1000 (long) exp->elts[elt + 1].longconst);
1004 fprintf_filtered (stream, "Type @");
1005 gdb_print_host_address (exp->elts[elt].type, stream);
1006 fprintf_filtered (stream, " (");
1007 type_print (exp->elts[elt].type, NULL, stream, 0);
1008 fprintf_filtered (stream, "), value %g",
1009 (double) exp->elts[elt + 1].doubleconst);
1013 fprintf_filtered (stream, "Block @");
1014 gdb_print_host_address (exp->elts[elt].block, stream);
1015 fprintf_filtered (stream, ", symbol @");
1016 gdb_print_host_address (exp->elts[elt + 1].symbol, stream);
1017 fprintf_filtered (stream, " (%s)",
1018 SYMBOL_PRINT_NAME (exp->elts[elt + 1].symbol));
1022 fprintf_filtered (stream, "History element %ld",
1023 (long) exp->elts[elt].longconst);
1027 fprintf_filtered (stream, "Register $%s", &exp->elts[elt + 1].string);
1028 elt += 3 + BYTES_TO_EXP_ELEM (exp->elts[elt].longconst + 1);
1030 case OP_INTERNALVAR:
1031 fprintf_filtered (stream, "Internal var @");
1032 gdb_print_host_address (exp->elts[elt].internalvar, stream);
1033 fprintf_filtered (stream, " (%s)",
1034 internalvar_name (exp->elts[elt].internalvar));
1041 nargs = longest_to_int (exp->elts[elt].longconst);
1043 fprintf_filtered (stream, "Number of args: %d", nargs);
1046 for (i = 1; i <= nargs + 1; i++)
1047 elt = dump_subexp (exp, stream, elt);
1055 lower = longest_to_int (exp->elts[elt].longconst);
1056 upper = longest_to_int (exp->elts[elt + 1].longconst);
1058 fprintf_filtered (stream, "Bounds [%d:%d]", lower, upper);
1061 for (i = 1; i <= upper - lower + 1; i++)
1062 elt = dump_subexp (exp, stream, elt);
1067 case UNOP_DYNAMIC_CAST:
1068 case UNOP_REINTERPRET_CAST:
1069 fprintf_filtered (stream, "Type @");
1070 gdb_print_host_address (exp->elts[elt].type, stream);
1071 fprintf_filtered (stream, " (");
1072 type_print (exp->elts[elt].type, NULL, stream, 0);
1073 fprintf_filtered (stream, ")");
1074 elt = dump_subexp (exp, stream, elt + 2);
1076 case UNOP_MEMVAL_TLS:
1077 fprintf_filtered (stream, "TLS type @");
1078 gdb_print_host_address (exp->elts[elt + 1].type, stream);
1079 fprintf_filtered (stream, " (__thread /* \"%s\" */ ",
1080 (exp->elts[elt].objfile == NULL ? "(null)"
1081 : exp->elts[elt].objfile->name));
1082 type_print (exp->elts[elt + 1].type, NULL, stream, 0);
1083 fprintf_filtered (stream, ")");
1084 elt = dump_subexp (exp, stream, elt + 3);
1087 fprintf_filtered (stream, "Type @");
1088 gdb_print_host_address (exp->elts[elt].type, stream);
1089 fprintf_filtered (stream, " (");
1090 type_print (exp->elts[elt].type, NULL, stream, 0);
1091 fprintf_filtered (stream, ")");
1094 case STRUCTOP_STRUCT:
1100 len = longest_to_int (exp->elts[elt].longconst);
1101 elem_name = &exp->elts[elt + 1].string;
1103 fprintf_filtered (stream, "Element name: `%.*s'", len, elem_name);
1104 elt = dump_subexp (exp, stream, elt + 3 + BYTES_TO_EXP_ELEM (len + 1));
1112 fprintf_filtered (stream, "Type @");
1113 gdb_print_host_address (exp->elts[elt].type, stream);
1114 fprintf_filtered (stream, " (");
1115 type_print (exp->elts[elt].type, NULL, stream, 0);
1116 fprintf_filtered (stream, ") ");
1118 len = longest_to_int (exp->elts[elt + 1].longconst);
1119 elem_name = &exp->elts[elt + 2].string;
1121 fprintf_filtered (stream, "Field name: `%.*s'", len, elem_name);
1122 elt += 4 + BYTES_TO_EXP_ELEM (len + 1);
1127 case MULTI_SUBSCRIPT:
1128 case OP_F77_UNDETERMINED_ARGLIST:
1137 fprintf_filtered (stream, "Unknown format");
1144 dump_prefix_expression (struct expression *exp, struct ui_file *stream)
1148 fprintf_filtered (stream, "Dump of expression @ ");
1149 gdb_print_host_address (exp, stream);
1150 fputs_filtered (", after conversion to prefix form:\nExpression: `", stream);
1151 if (exp->elts[0].opcode != OP_TYPE)
1152 print_expression (exp, stream);
1154 fputs_filtered ("Type printing not yet supported....", stream);
1155 fprintf_filtered (stream, "'\n\tLanguage %s, %d elements, %ld bytes each.\n",
1156 exp->language_defn->la_name, exp->nelts,
1157 (long) sizeof (union exp_element));
1158 fputs_filtered ("\n", stream);
1160 for (elt = 0; elt < exp->nelts;)
1161 elt = dump_subexp (exp, stream, elt);
1162 fputs_filtered ("\n", stream);