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 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 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)
44 print_subexp (exp, &pc, stream, PREC_NULL);
47 /* Print the subexpression of EXP that starts in position POS, on STREAM.
48 PREC is the precedence of the surrounding operator;
49 if the precedence of the main operator of this subexpression is less,
50 parentheses are needed here. */
53 print_subexp (struct expression *exp, int *pos,
54 struct ui_file *stream, enum precedence prec)
56 exp->language_defn->la_exp_desc->print_subexp (exp, pos, stream, prec);
59 /* Standard implementation of print_subexp for use in language_defn
62 print_subexp_standard (struct expression *exp, int *pos,
63 struct ui_file *stream, enum precedence prec)
66 const struct op_print *op_print_tab;
70 int assign_modify = 0;
71 enum exp_opcode opcode;
72 enum precedence myprec = PREC_NULL;
73 /* Set to 1 for a right-associative operator. */
78 op_print_tab = exp->language_defn->la_op_print_tab;
80 opcode = exp->elts[pc].opcode;
88 fputs_filtered (type_name_no_tag (exp->elts[pc + 1].type), stream);
89 fputs_filtered ("::", stream);
90 nargs = longest_to_int (exp->elts[pc + 2].longconst);
91 (*pos) += 4 + BYTES_TO_EXP_ELEM (nargs + 1);
92 fputs_filtered (&exp->elts[pc + 3].string, stream);
97 struct value_print_options opts;
98 get_raw_print_options (&opts);
100 value_print (value_from_longest (exp->elts[pc + 1].type,
101 exp->elts[pc + 2].longconst),
108 struct value_print_options opts;
109 get_raw_print_options (&opts);
111 value_print (value_from_double (exp->elts[pc + 1].type,
112 exp->elts[pc + 2].doubleconst),
121 b = exp->elts[pc + 1].block;
123 && BLOCK_FUNCTION (b) != NULL
124 && SYMBOL_PRINT_NAME (BLOCK_FUNCTION (b)) != NULL)
126 fputs_filtered (SYMBOL_PRINT_NAME (BLOCK_FUNCTION (b)), stream);
127 fputs_filtered ("::", stream);
129 fputs_filtered (SYMBOL_PRINT_NAME (exp->elts[pc + 2].symbol), stream);
135 fprintf_filtered (stream, "$%d",
136 longest_to_int (exp->elts[pc + 1].longconst));
141 const char *name = &exp->elts[pc + 2].string;
142 (*pos) += 3 + BYTES_TO_EXP_ELEM (exp->elts[pc + 1].longconst + 1);
143 fprintf_filtered (stream, "$%s", name);
149 fprintf_filtered (stream, "%s",
150 longest_to_int (exp->elts[pc + 1].longconst)
156 fprintf_filtered (stream, "$%s",
157 internalvar_name (exp->elts[pc + 1].internalvar));
162 nargs = longest_to_int (exp->elts[pc + 1].longconst);
163 print_subexp (exp, pos, stream, PREC_SUFFIX);
164 fputs_filtered (" (", stream);
165 for (tem = 0; tem < nargs; tem++)
168 fputs_filtered (", ", stream);
169 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
171 fputs_filtered (")", stream);
175 nargs = longest_to_int (exp->elts[pc + 1].longconst);
176 (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
177 fputs_filtered (&exp->elts[pc + 2].string, stream);
182 struct value_print_options opts;
183 nargs = longest_to_int (exp->elts[pc + 1].longconst);
184 (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
185 /* LA_PRINT_STRING will print using the current repeat count threshold.
186 If necessary, we can temporarily set it to zero, or pass it as an
187 additional parameter to LA_PRINT_STRING. -fnf */
188 get_user_print_options (&opts);
189 LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
190 &exp->elts[pc + 2].string, nargs, 0, &opts);
195 nargs = longest_to_int (exp->elts[pc + 1].longconst);
197 += 3 + BYTES_TO_EXP_ELEM ((nargs + HOST_CHAR_BIT - 1) / HOST_CHAR_BIT);
198 fprintf_unfiltered (stream, "B'<unimplemented>'");
201 case OP_OBJC_NSSTRING: /* Objective-C Foundation Class NSString constant. */
203 struct value_print_options opts;
204 nargs = longest_to_int (exp->elts[pc + 1].longconst);
205 (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
206 fputs_filtered ("@\"", stream);
207 get_user_print_options (&opts);
208 LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
209 &exp->elts[pc + 2].string, nargs, 0, &opts);
210 fputs_filtered ("\"", stream);
214 case OP_OBJC_MSGCALL:
215 { /* Objective C message (method) call. */
218 nargs = longest_to_int (exp->elts[pc + 2].longconst);
219 fprintf_unfiltered (stream, "[");
220 print_subexp (exp, pos, stream, PREC_SUFFIX);
221 if (0 == target_read_string (exp->elts[pc + 1].longconst,
222 &selector, 1024, NULL))
224 error (_("bad selector"));
230 s = alloca (strlen (selector) + 1);
231 strcpy (s, selector);
232 for (tem = 0; tem < nargs; tem++)
234 nextS = strchr (s, ':');
235 gdb_assert (nextS); /* Make sure we found ':'. */
237 fprintf_unfiltered (stream, " %s: ", s);
239 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
244 fprintf_unfiltered (stream, " %s", selector);
246 fprintf_unfiltered (stream, "]");
247 /* "selector" was malloc'd by target_read_string. Free it. */
254 nargs = longest_to_int (exp->elts[pc + 2].longconst);
255 nargs -= longest_to_int (exp->elts[pc + 1].longconst);
258 if (exp->elts[pc + 4].opcode == OP_LONG
259 && exp->elts[pc + 5].type
260 == builtin_type (exp->gdbarch)->builtin_char
261 && exp->language_defn->la_language == language_c)
263 /* Attempt to print C character arrays using string syntax.
264 Walk through the args, picking up one character from each
265 of the OP_LONG expression elements. If any array element
266 does not match our expection of what we should find for
267 a simple string, revert back to array printing. Note that
268 the last expression element is an explicit null terminator
269 byte, which doesn't get printed. */
270 tempstr = alloca (nargs);
274 if (exp->elts[pc].opcode != OP_LONG
275 || exp->elts[pc + 1].type
276 != builtin_type (exp->gdbarch)->builtin_char)
278 /* Not a simple array of char, use regular array printing. */
285 longest_to_int (exp->elts[pc + 2].longconst);
292 struct value_print_options opts;
293 get_user_print_options (&opts);
294 LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
295 tempstr, nargs - 1, 0, &opts);
300 fputs_filtered (" {", stream);
301 for (tem = 0; tem < nargs; tem++)
305 fputs_filtered (", ", stream);
307 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
309 fputs_filtered ("}", stream);
314 tem = longest_to_int (exp->elts[pc + 1].longconst);
315 (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
316 /* Gcc support both these syntaxes. Unsure which is preferred. */
318 fputs_filtered (&exp->elts[pc + 2].string, stream);
319 fputs_filtered (": ", stream);
321 fputs_filtered (".", stream);
322 fputs_filtered (&exp->elts[pc + 2].string, stream);
323 fputs_filtered ("=", stream);
325 print_subexp (exp, pos, stream, PREC_SUFFIX);
329 if ((int) prec > (int) PREC_COMMA)
330 fputs_filtered ("(", stream);
331 /* Print the subexpressions, forcing parentheses
332 around any binary operations within them.
333 This is more parentheses than are strictly necessary,
334 but it looks clearer. */
335 print_subexp (exp, pos, stream, PREC_HYPER);
336 fputs_filtered (" ? ", stream);
337 print_subexp (exp, pos, stream, PREC_HYPER);
338 fputs_filtered (" : ", stream);
339 print_subexp (exp, pos, stream, PREC_HYPER);
340 if ((int) prec > (int) PREC_COMMA)
341 fputs_filtered (")", stream);
345 case TERNOP_SLICE_COUNT:
346 print_subexp (exp, pos, stream, PREC_SUFFIX);
347 fputs_filtered ("(", stream);
348 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
349 fputs_filtered (opcode == TERNOP_SLICE ? " : " : " UP ", stream);
350 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
351 fputs_filtered (")", stream);
354 case STRUCTOP_STRUCT:
355 tem = longest_to_int (exp->elts[pc + 1].longconst);
356 (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
357 print_subexp (exp, pos, stream, PREC_SUFFIX);
358 fputs_filtered (".", stream);
359 fputs_filtered (&exp->elts[pc + 2].string, stream);
362 /* Will not occur for Modula-2 */
364 tem = longest_to_int (exp->elts[pc + 1].longconst);
365 (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
366 print_subexp (exp, pos, stream, PREC_SUFFIX);
367 fputs_filtered ("->", stream);
368 fputs_filtered (&exp->elts[pc + 2].string, stream);
371 case STRUCTOP_MEMBER:
372 print_subexp (exp, pos, stream, PREC_SUFFIX);
373 fputs_filtered (".*", stream);
374 print_subexp (exp, pos, stream, PREC_SUFFIX);
378 print_subexp (exp, pos, stream, PREC_SUFFIX);
379 fputs_filtered ("->*", stream);
380 print_subexp (exp, pos, stream, PREC_SUFFIX);
383 case BINOP_SUBSCRIPT:
384 print_subexp (exp, pos, stream, PREC_SUFFIX);
385 fputs_filtered ("[", stream);
386 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
387 fputs_filtered ("]", stream);
390 case UNOP_POSTINCREMENT:
391 print_subexp (exp, pos, stream, PREC_SUFFIX);
392 fputs_filtered ("++", stream);
395 case UNOP_POSTDECREMENT:
396 print_subexp (exp, pos, stream, PREC_SUFFIX);
397 fputs_filtered ("--", stream);
402 if ((int) prec > (int) PREC_PREFIX)
403 fputs_filtered ("(", stream);
404 fputs_filtered ("(", stream);
405 type_print (exp->elts[pc + 1].type, "", stream, 0);
406 fputs_filtered (") ", stream);
407 print_subexp (exp, pos, stream, PREC_PREFIX);
408 if ((int) prec > (int) PREC_PREFIX)
409 fputs_filtered (")", stream);
414 if ((int) prec > (int) PREC_PREFIX)
415 fputs_filtered ("(", stream);
416 if (TYPE_CODE (exp->elts[pc + 1].type) == TYPE_CODE_FUNC
417 && exp->elts[pc + 3].opcode == OP_LONG)
419 struct value_print_options opts;
421 /* We have a minimal symbol fn, probably. It's encoded
422 as a UNOP_MEMVAL (function-type) of an OP_LONG (int, address).
423 Swallow the OP_LONG (including both its opcodes); ignore
424 its type; print the value in the type of the MEMVAL. */
426 val = value_at_lazy (exp->elts[pc + 1].type,
427 (CORE_ADDR) exp->elts[pc + 5].longconst);
428 get_raw_print_options (&opts);
429 value_print (val, stream, &opts);
433 fputs_filtered ("{", stream);
434 type_print (exp->elts[pc + 1].type, "", stream, 0);
435 fputs_filtered ("} ", stream);
436 print_subexp (exp, pos, stream, PREC_PREFIX);
438 if ((int) prec > (int) PREC_PREFIX)
439 fputs_filtered (")", stream);
442 case UNOP_MEMVAL_TLS:
444 if ((int) prec > (int) PREC_PREFIX)
445 fputs_filtered ("(", stream);
446 fputs_filtered ("{", stream);
447 type_print (exp->elts[pc + 2].type, "", stream, 0);
448 fputs_filtered ("} ", stream);
449 print_subexp (exp, pos, stream, PREC_PREFIX);
450 if ((int) prec > (int) PREC_PREFIX)
451 fputs_filtered (")", stream);
454 case BINOP_ASSIGN_MODIFY:
455 opcode = exp->elts[pc + 1].opcode;
457 myprec = PREC_ASSIGN;
461 for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
462 if (op_print_tab[tem].opcode == opcode)
464 op_str = op_print_tab[tem].string;
467 if (op_print_tab[tem].opcode != opcode)
468 /* Not found; don't try to keep going because we don't know how
469 to interpret further elements. */
470 error (_("Invalid expression"));
477 fputs_filtered ("this", stream);
480 /* Objective-C ops */
484 fputs_filtered ("self", stream); /* The ObjC equivalent of "this". */
489 case MULTI_SUBSCRIPT:
491 nargs = longest_to_int (exp->elts[pc + 1].longconst);
492 print_subexp (exp, pos, stream, PREC_SUFFIX);
493 fprintf_unfiltered (stream, " [");
494 for (tem = 0; tem < nargs; tem++)
497 fprintf_unfiltered (stream, ", ");
498 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
500 fprintf_unfiltered (stream, "]");
505 fprintf_unfiltered (stream, "VAL(");
506 type_print (exp->elts[pc + 1].type, "", stream, 0);
507 fprintf_unfiltered (stream, ",");
508 print_subexp (exp, pos, stream, PREC_PREFIX);
509 fprintf_unfiltered (stream, ")");
514 error (_("print_subexp: Not implemented."));
520 for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
521 if (op_print_tab[tem].opcode == opcode)
523 op_str = op_print_tab[tem].string;
524 myprec = op_print_tab[tem].precedence;
525 assoc = op_print_tab[tem].right_assoc;
528 if (op_print_tab[tem].opcode != opcode)
529 /* Not found; don't try to keep going because we don't know how
530 to interpret further elements. For example, this happens
531 if opcode is OP_TYPE. */
532 error (_("Invalid expression"));
535 /* Note that PREC_BUILTIN will always emit parentheses. */
536 if ((int) myprec < (int) prec)
537 fputs_filtered ("(", stream);
538 if ((int) opcode > (int) BINOP_END)
542 /* Unary postfix operator. */
543 print_subexp (exp, pos, stream, PREC_SUFFIX);
544 fputs_filtered (op_str, stream);
548 /* Unary prefix operator. */
549 fputs_filtered (op_str, stream);
550 if (myprec == PREC_BUILTIN_FUNCTION)
551 fputs_filtered ("(", stream);
552 print_subexp (exp, pos, stream, PREC_PREFIX);
553 if (myprec == PREC_BUILTIN_FUNCTION)
554 fputs_filtered (")", stream);
559 /* Binary operator. */
560 /* Print left operand.
561 If operator is right-associative,
562 increment precedence for this operand. */
563 print_subexp (exp, pos, stream,
564 (enum precedence) ((int) myprec + assoc));
565 /* Print the operator itself. */
567 fprintf_filtered (stream, " %s= ", op_str);
568 else if (op_str[0] == ',')
569 fprintf_filtered (stream, "%s ", op_str);
571 fprintf_filtered (stream, " %s ", op_str);
572 /* Print right operand.
573 If operator is left-associative,
574 increment precedence for this operand. */
575 print_subexp (exp, pos, stream,
576 (enum precedence) ((int) myprec + !assoc));
579 if ((int) myprec < (int) prec)
580 fputs_filtered (")", stream);
583 /* Return the operator corresponding to opcode OP as
584 a string. NULL indicates that the opcode was not found in the
585 current language table. */
587 op_string (enum exp_opcode op)
590 const struct op_print *op_print_tab;
592 op_print_tab = current_language->la_op_print_tab;
593 for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
594 if (op_print_tab[tem].opcode == op)
595 return op_print_tab[tem].string;
599 /* Support for dumping the raw data from expressions in a human readable
602 static char *op_name (struct expression *, enum exp_opcode);
603 static int dump_subexp_body (struct expression *exp, struct ui_file *, int);
605 /* Name for OPCODE, when it appears in expression EXP. */
608 op_name (struct expression *exp, enum exp_opcode opcode)
610 return exp->language_defn->la_exp_desc->op_name (opcode);
613 /* Default name for the standard operator OPCODE (i.e., one defined in
614 the definition of enum exp_opcode). */
617 op_name_standard (enum exp_opcode opcode)
625 sprintf (buf, "<unknown %d>", opcode);
646 case BINOP_LOGICAL_AND:
647 return "BINOP_LOGICAL_AND";
648 case BINOP_LOGICAL_OR:
649 return "BINOP_LOGICAL_OR";
650 case BINOP_BITWISE_AND:
651 return "BINOP_BITWISE_AND";
652 case BINOP_BITWISE_IOR:
653 return "BINOP_BITWISE_IOR";
654 case BINOP_BITWISE_XOR:
655 return "BINOP_BITWISE_XOR";
657 return "BINOP_EQUAL";
659 return "BINOP_NOTEQUAL";
669 return "BINOP_REPEAT";
671 return "BINOP_ASSIGN";
673 return "BINOP_COMMA";
674 case BINOP_SUBSCRIPT:
675 return "BINOP_SUBSCRIPT";
676 case MULTI_SUBSCRIPT:
677 return "MULTI_SUBSCRIPT";
684 case STRUCTOP_MEMBER:
685 return "STRUCTOP_MEMBER";
687 return "STRUCTOP_MPTR";
689 return "BINOP_INTDIV";
690 case BINOP_ASSIGN_MODIFY:
691 return "BINOP_ASSIGN_MODIFY";
699 return "BINOP_CONCAT";
701 return "BINOP_RANGE";
705 return "TERNOP_COND";
707 return "TERNOP_SLICE";
708 case TERNOP_SLICE_COUNT:
709 return "TERNOP_SLICE_COUNT";
715 return "OP_VAR_VALUE";
719 return "OP_REGISTER";
721 return "OP_INTERNALVAR";
727 return "OP_BITSTRING";
733 return "UNOP_MEMVAL";
734 case UNOP_MEMVAL_TLS:
735 return "UNOP_MEMVAL_TLS";
738 case UNOP_LOGICAL_NOT:
739 return "UNOP_LOGICAL_NOT";
740 case UNOP_COMPLEMENT:
741 return "UNOP_COMPLEMENT";
746 case UNOP_PREINCREMENT:
747 return "UNOP_PREINCREMENT";
748 case UNOP_POSTINCREMENT:
749 return "UNOP_POSTINCREMENT";
750 case UNOP_PREDECREMENT:
751 return "UNOP_PREDECREMENT";
752 case UNOP_POSTDECREMENT:
753 return "UNOP_POSTDECREMENT";
755 return "UNOP_SIZEOF";
761 return "UNOP_LENGTH";
787 return "OP_M2_STRING";
788 case STRUCTOP_STRUCT:
789 return "STRUCTOP_STRUCT";
791 return "STRUCTOP_PTR";
795 return "OP_OBJC_SELF";
805 /* Print a raw dump of expression EXP to STREAM.
806 NOTE, if non-NULL, is printed as extra explanatory text. */
809 dump_raw_expression (struct expression *exp, struct ui_file *stream,
817 fprintf_filtered (stream, "Dump of expression @ ");
818 gdb_print_host_address (exp, stream);
820 fprintf_filtered (stream, ", %s:", note);
821 fprintf_filtered (stream, "\n\tLanguage %s, %d elements, %ld bytes each.\n",
822 exp->language_defn->la_name, exp->nelts,
823 (long) sizeof (union exp_element));
824 fprintf_filtered (stream, "\t%5s %20s %16s %s\n", "Index", "Opcode",
825 "Hex Value", "String Value");
826 for (elt = 0; elt < exp->nelts; elt++)
828 fprintf_filtered (stream, "\t%5d ", elt);
829 opcode_name = op_name (exp, exp->elts[elt].opcode);
831 fprintf_filtered (stream, "%20s ", opcode_name);
832 print_longest (stream, 'd', 0, exp->elts[elt].longconst);
833 fprintf_filtered (stream, " ");
835 for (eltscan = (char *) &exp->elts[elt],
836 eltsize = sizeof (union exp_element);
840 fprintf_filtered (stream, "%c",
841 isprint (*eltscan) ? (*eltscan & 0xFF) : '.');
843 fprintf_filtered (stream, "\n");
847 /* Dump the subexpression of prefix expression EXP whose operator is at
848 position ELT onto STREAM. Returns the position of the next
849 subexpression in EXP. */
852 dump_subexp (struct expression *exp, struct ui_file *stream, int elt)
854 static int indent = 0;
857 fprintf_filtered (stream, "\n");
858 fprintf_filtered (stream, "\t%5d ", elt);
860 for (i = 1; i <= indent; i++)
861 fprintf_filtered (stream, " ");
864 fprintf_filtered (stream, "%-20s ", op_name (exp, exp->elts[elt].opcode));
866 elt = dump_subexp_body (exp, stream, elt);
873 /* Dump the operands of prefix expression EXP whose opcode is at
874 position ELT onto STREAM. Returns the position of the next
875 subexpression in EXP. */
878 dump_subexp_body (struct expression *exp, struct ui_file *stream, int elt)
880 return exp->language_defn->la_exp_desc->dump_subexp_body (exp, stream, elt);
883 /* Default value for subexp_body in exp_descriptor vector. */
886 dump_subexp_body_standard (struct expression *exp,
887 struct ui_file *stream, int elt)
889 int opcode = exp->elts[elt++].opcode;
895 case TERNOP_SLICE_COUNT:
896 elt = dump_subexp (exp, stream, elt);
905 case BINOP_LOGICAL_AND:
906 case BINOP_LOGICAL_OR:
907 case BINOP_BITWISE_AND:
908 case BINOP_BITWISE_IOR:
909 case BINOP_BITWISE_XOR:
919 case BINOP_SUBSCRIPT:
924 case BINOP_ASSIGN_MODIFY:
932 case STRUCTOP_MEMBER:
934 elt = dump_subexp (exp, stream, elt);
936 case UNOP_LOGICAL_NOT:
937 case UNOP_COMPLEMENT:
940 case UNOP_PREINCREMENT:
941 case UNOP_POSTINCREMENT:
942 case UNOP_PREDECREMENT:
943 case UNOP_POSTDECREMENT:
962 elt = dump_subexp (exp, stream, elt);
965 fprintf_filtered (stream, "Type @");
966 gdb_print_host_address (exp->elts[elt].type, stream);
967 fprintf_filtered (stream, " (");
968 type_print (exp->elts[elt].type, NULL, stream, 0);
969 fprintf_filtered (stream, "), value %ld (0x%lx)",
970 (long) exp->elts[elt + 1].longconst,
971 (long) exp->elts[elt + 1].longconst);
975 fprintf_filtered (stream, "Type @");
976 gdb_print_host_address (exp->elts[elt].type, stream);
977 fprintf_filtered (stream, " (");
978 type_print (exp->elts[elt].type, NULL, stream, 0);
979 fprintf_filtered (stream, "), value %g",
980 (double) exp->elts[elt + 1].doubleconst);
984 fprintf_filtered (stream, "Block @");
985 gdb_print_host_address (exp->elts[elt].block, stream);
986 fprintf_filtered (stream, ", symbol @");
987 gdb_print_host_address (exp->elts[elt + 1].symbol, stream);
988 fprintf_filtered (stream, " (%s)",
989 SYMBOL_PRINT_NAME (exp->elts[elt + 1].symbol));
993 fprintf_filtered (stream, "History element %ld",
994 (long) exp->elts[elt].longconst);
998 fprintf_filtered (stream, "Register $%s", &exp->elts[elt + 1].string);
999 elt += 3 + BYTES_TO_EXP_ELEM (exp->elts[elt].longconst + 1);
1001 case OP_INTERNALVAR:
1002 fprintf_filtered (stream, "Internal var @");
1003 gdb_print_host_address (exp->elts[elt].internalvar, stream);
1004 fprintf_filtered (stream, " (%s)",
1005 internalvar_name (exp->elts[elt].internalvar));
1012 nargs = longest_to_int (exp->elts[elt].longconst);
1014 fprintf_filtered (stream, "Number of args: %d", nargs);
1017 for (i = 1; i <= nargs + 1; i++)
1018 elt = dump_subexp (exp, stream, elt);
1026 lower = longest_to_int (exp->elts[elt].longconst);
1027 upper = longest_to_int (exp->elts[elt + 1].longconst);
1029 fprintf_filtered (stream, "Bounds [%d:%d]", lower, upper);
1032 for (i = 1; i <= upper - lower + 1; i++)
1033 elt = dump_subexp (exp, stream, elt);
1038 fprintf_filtered (stream, "Type @");
1039 gdb_print_host_address (exp->elts[elt].type, stream);
1040 fprintf_filtered (stream, " (");
1041 type_print (exp->elts[elt].type, NULL, stream, 0);
1042 fprintf_filtered (stream, ")");
1043 elt = dump_subexp (exp, stream, elt + 2);
1045 case UNOP_MEMVAL_TLS:
1046 fprintf_filtered (stream, "TLS type @");
1047 gdb_print_host_address (exp->elts[elt + 1].type, stream);
1048 fprintf_filtered (stream, " (__thread /* \"%s\" */ ",
1049 (exp->elts[elt].objfile == NULL ? "(null)"
1050 : exp->elts[elt].objfile->name));
1051 type_print (exp->elts[elt + 1].type, NULL, stream, 0);
1052 fprintf_filtered (stream, ")");
1053 elt = dump_subexp (exp, stream, elt + 3);
1056 fprintf_filtered (stream, "Type @");
1057 gdb_print_host_address (exp->elts[elt].type, stream);
1058 fprintf_filtered (stream, " (");
1059 type_print (exp->elts[elt].type, NULL, stream, 0);
1060 fprintf_filtered (stream, ")");
1063 case STRUCTOP_STRUCT:
1069 len = longest_to_int (exp->elts[elt].longconst);
1070 elem_name = &exp->elts[elt + 1].string;
1072 fprintf_filtered (stream, "Element name: `%.*s'", len, elem_name);
1073 elt = dump_subexp (exp, stream, elt + 3 + BYTES_TO_EXP_ELEM (len + 1));
1081 fprintf_filtered (stream, "Type @");
1082 gdb_print_host_address (exp->elts[elt].type, stream);
1083 fprintf_filtered (stream, " (");
1084 type_print (exp->elts[elt].type, NULL, stream, 0);
1085 fprintf_filtered (stream, ") ");
1087 len = longest_to_int (exp->elts[elt + 1].longconst);
1088 elem_name = &exp->elts[elt + 2].string;
1090 fprintf_filtered (stream, "Field name: `%.*s'", len, elem_name);
1091 elt += 4 + BYTES_TO_EXP_ELEM (len + 1);
1096 case MULTI_SUBSCRIPT:
1097 case OP_F77_UNDETERMINED_ARGLIST:
1106 fprintf_filtered (stream, "Unknown format");
1113 dump_prefix_expression (struct expression *exp, struct ui_file *stream)
1117 fprintf_filtered (stream, "Dump of expression @ ");
1118 gdb_print_host_address (exp, stream);
1119 fputs_filtered (", after conversion to prefix form:\nExpression: `", stream);
1120 if (exp->elts[0].opcode != OP_TYPE)
1121 print_expression (exp, stream);
1123 fputs_filtered ("Type printing not yet supported....", stream);
1124 fprintf_filtered (stream, "'\n\tLanguage %s, %d elements, %ld bytes each.\n",
1125 exp->language_defn->la_name, exp->nelts,
1126 (long) sizeof (union exp_element));
1127 fputs_filtered ("\n", stream);
1129 for (elt = 0; elt < exp->nelts;)
1130 elt = dump_subexp (exp, stream, elt);
1131 fputs_filtered ("\n", stream);