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)
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;
99 get_raw_print_options (&opts);
101 value_print (value_from_longest (exp->elts[pc + 1].type,
102 exp->elts[pc + 2].longconst),
109 struct value_print_options opts;
110 get_raw_print_options (&opts);
112 value_print (value_from_double (exp->elts[pc + 1].type,
113 exp->elts[pc + 2].doubleconst),
122 b = exp->elts[pc + 1].block;
124 && BLOCK_FUNCTION (b) != NULL
125 && SYMBOL_PRINT_NAME (BLOCK_FUNCTION (b)) != NULL)
127 fputs_filtered (SYMBOL_PRINT_NAME (BLOCK_FUNCTION (b)), stream);
128 fputs_filtered ("::", stream);
130 fputs_filtered (SYMBOL_PRINT_NAME (exp->elts[pc + 2].symbol), stream);
136 fprintf_filtered (stream, "$%d",
137 longest_to_int (exp->elts[pc + 1].longconst));
142 const char *name = &exp->elts[pc + 2].string;
143 (*pos) += 3 + BYTES_TO_EXP_ELEM (exp->elts[pc + 1].longconst + 1);
144 fprintf_filtered (stream, "$%s", name);
150 fprintf_filtered (stream, "%s",
151 longest_to_int (exp->elts[pc + 1].longconst)
157 fprintf_filtered (stream, "$%s",
158 internalvar_name (exp->elts[pc + 1].internalvar));
163 nargs = longest_to_int (exp->elts[pc + 1].longconst);
164 print_subexp (exp, pos, stream, PREC_SUFFIX);
165 fputs_filtered (" (", stream);
166 for (tem = 0; tem < nargs; tem++)
169 fputs_filtered (", ", stream);
170 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
172 fputs_filtered (")", stream);
176 nargs = longest_to_int (exp->elts[pc + 1].longconst);
177 (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
178 fputs_filtered (&exp->elts[pc + 2].string, stream);
183 struct value_print_options opts;
184 nargs = longest_to_int (exp->elts[pc + 1].longconst);
185 (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
186 /* LA_PRINT_STRING will print using the current repeat count threshold.
187 If necessary, we can temporarily set it to zero, or pass it as an
188 additional parameter to LA_PRINT_STRING. -fnf */
189 get_user_print_options (&opts);
190 LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
191 &exp->elts[pc + 2].string, nargs, NULL, 0, &opts);
196 nargs = longest_to_int (exp->elts[pc + 1].longconst);
198 += 3 + BYTES_TO_EXP_ELEM ((nargs + HOST_CHAR_BIT - 1) / HOST_CHAR_BIT);
199 fprintf_unfiltered (stream, "B'<unimplemented>'");
202 case OP_OBJC_NSSTRING: /* Objective-C Foundation Class NSString constant. */
204 struct value_print_options opts;
205 nargs = longest_to_int (exp->elts[pc + 1].longconst);
206 (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1);
207 fputs_filtered ("@\"", stream);
208 get_user_print_options (&opts);
209 LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
210 &exp->elts[pc + 2].string, nargs, NULL, 0, &opts);
211 fputs_filtered ("\"", stream);
215 case OP_OBJC_MSGCALL:
216 { /* Objective C message (method) call. */
219 nargs = longest_to_int (exp->elts[pc + 2].longconst);
220 fprintf_unfiltered (stream, "[");
221 print_subexp (exp, pos, stream, PREC_SUFFIX);
222 if (0 == target_read_string (exp->elts[pc + 1].longconst,
223 &selector, 1024, NULL))
225 error (_("bad selector"));
231 s = alloca (strlen (selector) + 1);
232 strcpy (s, selector);
233 for (tem = 0; tem < nargs; tem++)
235 nextS = strchr (s, ':');
236 gdb_assert (nextS); /* Make sure we found ':'. */
238 fprintf_unfiltered (stream, " %s: ", s);
240 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
245 fprintf_unfiltered (stream, " %s", selector);
247 fprintf_unfiltered (stream, "]");
248 /* "selector" was malloc'd by target_read_string. Free it. */
255 nargs = longest_to_int (exp->elts[pc + 2].longconst);
256 nargs -= longest_to_int (exp->elts[pc + 1].longconst);
259 if (exp->elts[pc + 4].opcode == OP_LONG
260 && exp->elts[pc + 5].type
261 == builtin_type (exp->gdbarch)->builtin_char
262 && exp->language_defn->la_language == language_c)
264 /* Attempt to print C character arrays using string syntax.
265 Walk through the args, picking up one character from each
266 of the OP_LONG expression elements. If any array element
267 does not match our expection of what we should find for
268 a simple string, revert back to array printing. Note that
269 the last expression element is an explicit null terminator
270 byte, which doesn't get printed. */
271 tempstr = alloca (nargs);
275 if (exp->elts[pc].opcode != OP_LONG
276 || exp->elts[pc + 1].type
277 != builtin_type (exp->gdbarch)->builtin_char)
279 /* Not a simple array of char, use regular array printing. */
286 longest_to_int (exp->elts[pc + 2].longconst);
293 struct value_print_options opts;
294 get_user_print_options (&opts);
295 LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char,
296 tempstr, nargs - 1, NULL, 0, &opts);
301 fputs_filtered (" {", stream);
302 for (tem = 0; tem < nargs; tem++)
306 fputs_filtered (", ", stream);
308 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
310 fputs_filtered ("}", stream);
315 tem = longest_to_int (exp->elts[pc + 1].longconst);
316 (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
317 /* Gcc support both these syntaxes. Unsure which is preferred. */
319 fputs_filtered (&exp->elts[pc + 2].string, stream);
320 fputs_filtered (": ", stream);
322 fputs_filtered (".", stream);
323 fputs_filtered (&exp->elts[pc + 2].string, stream);
324 fputs_filtered ("=", stream);
326 print_subexp (exp, pos, stream, PREC_SUFFIX);
330 if ((int) prec > (int) PREC_COMMA)
331 fputs_filtered ("(", stream);
332 /* Print the subexpressions, forcing parentheses
333 around any binary operations within them.
334 This is more parentheses than are strictly necessary,
335 but it looks clearer. */
336 print_subexp (exp, pos, stream, PREC_HYPER);
337 fputs_filtered (" ? ", stream);
338 print_subexp (exp, pos, stream, PREC_HYPER);
339 fputs_filtered (" : ", stream);
340 print_subexp (exp, pos, stream, PREC_HYPER);
341 if ((int) prec > (int) PREC_COMMA)
342 fputs_filtered (")", stream);
346 case TERNOP_SLICE_COUNT:
347 print_subexp (exp, pos, stream, PREC_SUFFIX);
348 fputs_filtered ("(", stream);
349 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
350 fputs_filtered (opcode == TERNOP_SLICE ? " : " : " UP ", stream);
351 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
352 fputs_filtered (")", stream);
355 case STRUCTOP_STRUCT:
356 tem = longest_to_int (exp->elts[pc + 1].longconst);
357 (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
358 print_subexp (exp, pos, stream, PREC_SUFFIX);
359 fputs_filtered (".", stream);
360 fputs_filtered (&exp->elts[pc + 2].string, stream);
363 /* Will not occur for Modula-2 */
365 tem = longest_to_int (exp->elts[pc + 1].longconst);
366 (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1);
367 print_subexp (exp, pos, stream, PREC_SUFFIX);
368 fputs_filtered ("->", stream);
369 fputs_filtered (&exp->elts[pc + 2].string, stream);
372 case STRUCTOP_MEMBER:
373 print_subexp (exp, pos, stream, PREC_SUFFIX);
374 fputs_filtered (".*", stream);
375 print_subexp (exp, pos, stream, PREC_SUFFIX);
379 print_subexp (exp, pos, stream, PREC_SUFFIX);
380 fputs_filtered ("->*", stream);
381 print_subexp (exp, pos, stream, PREC_SUFFIX);
384 case BINOP_SUBSCRIPT:
385 print_subexp (exp, pos, stream, PREC_SUFFIX);
386 fputs_filtered ("[", stream);
387 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
388 fputs_filtered ("]", stream);
391 case UNOP_POSTINCREMENT:
392 print_subexp (exp, pos, stream, PREC_SUFFIX);
393 fputs_filtered ("++", stream);
396 case UNOP_POSTDECREMENT:
397 print_subexp (exp, pos, stream, PREC_SUFFIX);
398 fputs_filtered ("--", stream);
403 if ((int) prec > (int) PREC_PREFIX)
404 fputs_filtered ("(", stream);
405 fputs_filtered ("(", stream);
406 type_print (exp->elts[pc + 1].type, "", stream, 0);
407 fputs_filtered (") ", stream);
408 print_subexp (exp, pos, stream, PREC_PREFIX);
409 if ((int) prec > (int) PREC_PREFIX)
410 fputs_filtered (")", stream);
413 case UNOP_DYNAMIC_CAST:
414 case UNOP_REINTERPRET_CAST:
415 fputs_filtered (opcode == UNOP_DYNAMIC_CAST ? "dynamic_cast"
416 : "reinterpret_cast", stream);
417 fputs_filtered ("<", stream);
419 type_print (exp->elts[pc + 1].type, "", stream, 0);
420 fputs_filtered ("> (", stream);
421 print_subexp (exp, pos, stream, PREC_PREFIX);
422 fputs_filtered (")", stream);
427 if ((int) prec > (int) PREC_PREFIX)
428 fputs_filtered ("(", stream);
429 if (TYPE_CODE (exp->elts[pc + 1].type) == TYPE_CODE_FUNC
430 && exp->elts[pc + 3].opcode == OP_LONG)
432 struct value_print_options opts;
434 /* We have a minimal symbol fn, probably. It's encoded
435 as a UNOP_MEMVAL (function-type) of an OP_LONG (int, address).
436 Swallow the OP_LONG (including both its opcodes); ignore
437 its type; print the value in the type of the MEMVAL. */
439 val = value_at_lazy (exp->elts[pc + 1].type,
440 (CORE_ADDR) exp->elts[pc + 5].longconst);
441 get_raw_print_options (&opts);
442 value_print (val, stream, &opts);
446 fputs_filtered ("{", stream);
447 type_print (exp->elts[pc + 1].type, "", stream, 0);
448 fputs_filtered ("} ", stream);
449 print_subexp (exp, pos, stream, PREC_PREFIX);
451 if ((int) prec > (int) PREC_PREFIX)
452 fputs_filtered (")", stream);
455 case UNOP_MEMVAL_TLS:
457 if ((int) prec > (int) PREC_PREFIX)
458 fputs_filtered ("(", stream);
459 fputs_filtered ("{", stream);
460 type_print (exp->elts[pc + 2].type, "", stream, 0);
461 fputs_filtered ("} ", stream);
462 print_subexp (exp, pos, stream, PREC_PREFIX);
463 if ((int) prec > (int) PREC_PREFIX)
464 fputs_filtered (")", stream);
467 case BINOP_ASSIGN_MODIFY:
468 opcode = exp->elts[pc + 1].opcode;
470 myprec = PREC_ASSIGN;
474 for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
475 if (op_print_tab[tem].opcode == opcode)
477 op_str = op_print_tab[tem].string;
480 if (op_print_tab[tem].opcode != opcode)
481 /* Not found; don't try to keep going because we don't know how
482 to interpret further elements. */
483 error (_("Invalid expression"));
490 fputs_filtered ("this", stream);
493 /* Objective-C ops */
497 fputs_filtered ("self", stream); /* The ObjC equivalent of "this". */
502 case MULTI_SUBSCRIPT:
504 nargs = longest_to_int (exp->elts[pc + 1].longconst);
505 print_subexp (exp, pos, stream, PREC_SUFFIX);
506 fprintf_unfiltered (stream, " [");
507 for (tem = 0; tem < nargs; tem++)
510 fprintf_unfiltered (stream, ", ");
511 print_subexp (exp, pos, stream, PREC_ABOVE_COMMA);
513 fprintf_unfiltered (stream, "]");
518 fprintf_unfiltered (stream, "VAL(");
519 type_print (exp->elts[pc + 1].type, "", stream, 0);
520 fprintf_unfiltered (stream, ",");
521 print_subexp (exp, pos, stream, PREC_PREFIX);
522 fprintf_unfiltered (stream, ")");
527 error (_("print_subexp: Not implemented."));
533 for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
534 if (op_print_tab[tem].opcode == opcode)
536 op_str = op_print_tab[tem].string;
537 myprec = op_print_tab[tem].precedence;
538 assoc = op_print_tab[tem].right_assoc;
541 if (op_print_tab[tem].opcode != opcode)
542 /* Not found; don't try to keep going because we don't know how
543 to interpret further elements. For example, this happens
544 if opcode is OP_TYPE. */
545 error (_("Invalid expression"));
548 /* Note that PREC_BUILTIN will always emit parentheses. */
549 if ((int) myprec < (int) prec)
550 fputs_filtered ("(", stream);
551 if ((int) opcode > (int) BINOP_END)
555 /* Unary postfix operator. */
556 print_subexp (exp, pos, stream, PREC_SUFFIX);
557 fputs_filtered (op_str, stream);
561 /* Unary prefix operator. */
562 fputs_filtered (op_str, stream);
563 if (myprec == PREC_BUILTIN_FUNCTION)
564 fputs_filtered ("(", stream);
565 print_subexp (exp, pos, stream, PREC_PREFIX);
566 if (myprec == PREC_BUILTIN_FUNCTION)
567 fputs_filtered (")", stream);
572 /* Binary operator. */
573 /* Print left operand.
574 If operator is right-associative,
575 increment precedence for this operand. */
576 print_subexp (exp, pos, stream,
577 (enum precedence) ((int) myprec + assoc));
578 /* Print the operator itself. */
580 fprintf_filtered (stream, " %s= ", op_str);
581 else if (op_str[0] == ',')
582 fprintf_filtered (stream, "%s ", op_str);
584 fprintf_filtered (stream, " %s ", op_str);
585 /* Print right operand.
586 If operator is left-associative,
587 increment precedence for this operand. */
588 print_subexp (exp, pos, stream,
589 (enum precedence) ((int) myprec + !assoc));
592 if ((int) myprec < (int) prec)
593 fputs_filtered (")", stream);
596 /* Return the operator corresponding to opcode OP as
597 a string. NULL indicates that the opcode was not found in the
598 current language table. */
600 op_string (enum exp_opcode op)
603 const struct op_print *op_print_tab;
605 op_print_tab = current_language->la_op_print_tab;
606 for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++)
607 if (op_print_tab[tem].opcode == op)
608 return op_print_tab[tem].string;
612 /* Support for dumping the raw data from expressions in a human readable
615 static char *op_name (struct expression *, enum exp_opcode);
616 static int dump_subexp_body (struct expression *exp, struct ui_file *, int);
618 /* Name for OPCODE, when it appears in expression EXP. */
621 op_name (struct expression *exp, enum exp_opcode opcode)
623 return exp->language_defn->la_exp_desc->op_name (opcode);
626 /* Default name for the standard operator OPCODE (i.e., one defined in
627 the definition of enum exp_opcode). */
630 op_name_standard (enum exp_opcode opcode)
638 sprintf (buf, "<unknown %d>", opcode);
659 case BINOP_LOGICAL_AND:
660 return "BINOP_LOGICAL_AND";
661 case BINOP_LOGICAL_OR:
662 return "BINOP_LOGICAL_OR";
663 case BINOP_BITWISE_AND:
664 return "BINOP_BITWISE_AND";
665 case BINOP_BITWISE_IOR:
666 return "BINOP_BITWISE_IOR";
667 case BINOP_BITWISE_XOR:
668 return "BINOP_BITWISE_XOR";
670 return "BINOP_EQUAL";
672 return "BINOP_NOTEQUAL";
682 return "BINOP_REPEAT";
684 return "BINOP_ASSIGN";
686 return "BINOP_COMMA";
687 case BINOP_SUBSCRIPT:
688 return "BINOP_SUBSCRIPT";
689 case MULTI_SUBSCRIPT:
690 return "MULTI_SUBSCRIPT";
697 case STRUCTOP_MEMBER:
698 return "STRUCTOP_MEMBER";
700 return "STRUCTOP_MPTR";
702 return "BINOP_INTDIV";
703 case BINOP_ASSIGN_MODIFY:
704 return "BINOP_ASSIGN_MODIFY";
712 return "BINOP_CONCAT";
714 return "BINOP_RANGE";
718 return "TERNOP_COND";
720 return "TERNOP_SLICE";
721 case TERNOP_SLICE_COUNT:
722 return "TERNOP_SLICE_COUNT";
728 return "OP_VAR_VALUE";
732 return "OP_REGISTER";
734 return "OP_INTERNALVAR";
740 return "OP_BITSTRING";
745 case UNOP_DYNAMIC_CAST:
746 return "UNOP_DYNAMIC_CAST";
747 case UNOP_REINTERPRET_CAST:
748 return "UNOP_REINTERPRET_CAST";
750 return "UNOP_MEMVAL";
751 case UNOP_MEMVAL_TLS:
752 return "UNOP_MEMVAL_TLS";
755 case UNOP_LOGICAL_NOT:
756 return "UNOP_LOGICAL_NOT";
757 case UNOP_COMPLEMENT:
758 return "UNOP_COMPLEMENT";
763 case UNOP_PREINCREMENT:
764 return "UNOP_PREINCREMENT";
765 case UNOP_POSTINCREMENT:
766 return "UNOP_POSTINCREMENT";
767 case UNOP_PREDECREMENT:
768 return "UNOP_PREDECREMENT";
769 case UNOP_POSTDECREMENT:
770 return "UNOP_POSTDECREMENT";
772 return "UNOP_SIZEOF";
778 return "UNOP_LENGTH";
804 return "OP_M2_STRING";
805 case STRUCTOP_STRUCT:
806 return "STRUCTOP_STRUCT";
808 return "STRUCTOP_PTR";
812 return "OP_OBJC_SELF";
822 /* Print a raw dump of expression EXP to STREAM.
823 NOTE, if non-NULL, is printed as extra explanatory text. */
826 dump_raw_expression (struct expression *exp, struct ui_file *stream,
834 fprintf_filtered (stream, "Dump of expression @ ");
835 gdb_print_host_address (exp, stream);
837 fprintf_filtered (stream, ", %s:", note);
838 fprintf_filtered (stream, "\n\tLanguage %s, %d elements, %ld bytes each.\n",
839 exp->language_defn->la_name, exp->nelts,
840 (long) sizeof (union exp_element));
841 fprintf_filtered (stream, "\t%5s %20s %16s %s\n", "Index", "Opcode",
842 "Hex Value", "String Value");
843 for (elt = 0; elt < exp->nelts; elt++)
845 fprintf_filtered (stream, "\t%5d ", elt);
846 opcode_name = op_name (exp, exp->elts[elt].opcode);
848 fprintf_filtered (stream, "%20s ", opcode_name);
849 print_longest (stream, 'd', 0, exp->elts[elt].longconst);
850 fprintf_filtered (stream, " ");
852 for (eltscan = (char *) &exp->elts[elt],
853 eltsize = sizeof (union exp_element);
857 fprintf_filtered (stream, "%c",
858 isprint (*eltscan) ? (*eltscan & 0xFF) : '.');
860 fprintf_filtered (stream, "\n");
864 /* Dump the subexpression of prefix expression EXP whose operator is at
865 position ELT onto STREAM. Returns the position of the next
866 subexpression in EXP. */
869 dump_subexp (struct expression *exp, struct ui_file *stream, int elt)
871 static int indent = 0;
874 fprintf_filtered (stream, "\n");
875 fprintf_filtered (stream, "\t%5d ", elt);
877 for (i = 1; i <= indent; i++)
878 fprintf_filtered (stream, " ");
881 fprintf_filtered (stream, "%-20s ", op_name (exp, exp->elts[elt].opcode));
883 elt = dump_subexp_body (exp, stream, elt);
890 /* Dump the operands of prefix expression EXP whose opcode is at
891 position ELT onto STREAM. Returns the position of the next
892 subexpression in EXP. */
895 dump_subexp_body (struct expression *exp, struct ui_file *stream, int elt)
897 return exp->language_defn->la_exp_desc->dump_subexp_body (exp, stream, elt);
900 /* Default value for subexp_body in exp_descriptor vector. */
903 dump_subexp_body_standard (struct expression *exp,
904 struct ui_file *stream, int elt)
906 int opcode = exp->elts[elt++].opcode;
912 case TERNOP_SLICE_COUNT:
913 elt = dump_subexp (exp, stream, elt);
922 case BINOP_LOGICAL_AND:
923 case BINOP_LOGICAL_OR:
924 case BINOP_BITWISE_AND:
925 case BINOP_BITWISE_IOR:
926 case BINOP_BITWISE_XOR:
936 case BINOP_SUBSCRIPT:
941 case BINOP_ASSIGN_MODIFY:
949 case STRUCTOP_MEMBER:
951 elt = dump_subexp (exp, stream, elt);
953 case UNOP_LOGICAL_NOT:
954 case UNOP_COMPLEMENT:
957 case UNOP_PREINCREMENT:
958 case UNOP_POSTINCREMENT:
959 case UNOP_PREDECREMENT:
960 case UNOP_POSTDECREMENT:
979 elt = dump_subexp (exp, stream, elt);
982 fprintf_filtered (stream, "Type @");
983 gdb_print_host_address (exp->elts[elt].type, stream);
984 fprintf_filtered (stream, " (");
985 type_print (exp->elts[elt].type, NULL, stream, 0);
986 fprintf_filtered (stream, "), value %ld (0x%lx)",
987 (long) exp->elts[elt + 1].longconst,
988 (long) exp->elts[elt + 1].longconst);
992 fprintf_filtered (stream, "Type @");
993 gdb_print_host_address (exp->elts[elt].type, stream);
994 fprintf_filtered (stream, " (");
995 type_print (exp->elts[elt].type, NULL, stream, 0);
996 fprintf_filtered (stream, "), value %g",
997 (double) exp->elts[elt + 1].doubleconst);
1001 fprintf_filtered (stream, "Block @");
1002 gdb_print_host_address (exp->elts[elt].block, stream);
1003 fprintf_filtered (stream, ", symbol @");
1004 gdb_print_host_address (exp->elts[elt + 1].symbol, stream);
1005 fprintf_filtered (stream, " (%s)",
1006 SYMBOL_PRINT_NAME (exp->elts[elt + 1].symbol));
1010 fprintf_filtered (stream, "History element %ld",
1011 (long) exp->elts[elt].longconst);
1015 fprintf_filtered (stream, "Register $%s", &exp->elts[elt + 1].string);
1016 elt += 3 + BYTES_TO_EXP_ELEM (exp->elts[elt].longconst + 1);
1018 case OP_INTERNALVAR:
1019 fprintf_filtered (stream, "Internal var @");
1020 gdb_print_host_address (exp->elts[elt].internalvar, stream);
1021 fprintf_filtered (stream, " (%s)",
1022 internalvar_name (exp->elts[elt].internalvar));
1029 nargs = longest_to_int (exp->elts[elt].longconst);
1031 fprintf_filtered (stream, "Number of args: %d", nargs);
1034 for (i = 1; i <= nargs + 1; i++)
1035 elt = dump_subexp (exp, stream, elt);
1043 lower = longest_to_int (exp->elts[elt].longconst);
1044 upper = longest_to_int (exp->elts[elt + 1].longconst);
1046 fprintf_filtered (stream, "Bounds [%d:%d]", lower, upper);
1049 for (i = 1; i <= upper - lower + 1; i++)
1050 elt = dump_subexp (exp, stream, elt);
1055 case UNOP_DYNAMIC_CAST:
1056 case UNOP_REINTERPRET_CAST:
1057 fprintf_filtered (stream, "Type @");
1058 gdb_print_host_address (exp->elts[elt].type, stream);
1059 fprintf_filtered (stream, " (");
1060 type_print (exp->elts[elt].type, NULL, stream, 0);
1061 fprintf_filtered (stream, ")");
1062 elt = dump_subexp (exp, stream, elt + 2);
1064 case UNOP_MEMVAL_TLS:
1065 fprintf_filtered (stream, "TLS type @");
1066 gdb_print_host_address (exp->elts[elt + 1].type, stream);
1067 fprintf_filtered (stream, " (__thread /* \"%s\" */ ",
1068 (exp->elts[elt].objfile == NULL ? "(null)"
1069 : exp->elts[elt].objfile->name));
1070 type_print (exp->elts[elt + 1].type, NULL, stream, 0);
1071 fprintf_filtered (stream, ")");
1072 elt = dump_subexp (exp, stream, elt + 3);
1075 fprintf_filtered (stream, "Type @");
1076 gdb_print_host_address (exp->elts[elt].type, stream);
1077 fprintf_filtered (stream, " (");
1078 type_print (exp->elts[elt].type, NULL, stream, 0);
1079 fprintf_filtered (stream, ")");
1082 case STRUCTOP_STRUCT:
1088 len = longest_to_int (exp->elts[elt].longconst);
1089 elem_name = &exp->elts[elt + 1].string;
1091 fprintf_filtered (stream, "Element name: `%.*s'", len, elem_name);
1092 elt = dump_subexp (exp, stream, elt + 3 + BYTES_TO_EXP_ELEM (len + 1));
1100 fprintf_filtered (stream, "Type @");
1101 gdb_print_host_address (exp->elts[elt].type, stream);
1102 fprintf_filtered (stream, " (");
1103 type_print (exp->elts[elt].type, NULL, stream, 0);
1104 fprintf_filtered (stream, ") ");
1106 len = longest_to_int (exp->elts[elt + 1].longconst);
1107 elem_name = &exp->elts[elt + 2].string;
1109 fprintf_filtered (stream, "Field name: `%.*s'", len, elem_name);
1110 elt += 4 + BYTES_TO_EXP_ELEM (len + 1);
1115 case MULTI_SUBSCRIPT:
1116 case OP_F77_UNDETERMINED_ARGLIST:
1125 fprintf_filtered (stream, "Unknown format");
1132 dump_prefix_expression (struct expression *exp, struct ui_file *stream)
1136 fprintf_filtered (stream, "Dump of expression @ ");
1137 gdb_print_host_address (exp, stream);
1138 fputs_filtered (", after conversion to prefix form:\nExpression: `", stream);
1139 if (exp->elts[0].opcode != OP_TYPE)
1140 print_expression (exp, stream);
1142 fputs_filtered ("Type printing not yet supported....", stream);
1143 fprintf_filtered (stream, "'\n\tLanguage %s, %d elements, %ld bytes each.\n",
1144 exp->language_defn->la_name, exp->nelts,
1145 (long) sizeof (union exp_element));
1146 fputs_filtered ("\n", stream);
1148 for (elt = 0; elt < exp->nelts;)
1149 elt = dump_subexp (exp, stream, elt);
1150 fputs_filtered ("\n", stream);