Commit | Line | Data |
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c906108c | 1 | /* Print in infix form a struct expression. |
1bac305b | 2 | |
61baf725 | 3 | Copyright (C) 1986-2017 Free Software Foundation, Inc. |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
a9762ec7 | 9 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 10 | (at your option) any later version. |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b | 17 | You should have received a copy of the GNU General Public License |
a9762ec7 | 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
19 | |
20 | #include "defs.h" | |
21 | #include "symtab.h" | |
22 | #include "gdbtypes.h" | |
23 | #include "expression.h" | |
24 | #include "value.h" | |
25 | #include "language.h" | |
26 | #include "parser-defs.h" | |
eb8bc282 | 27 | #include "user-regs.h" /* For user_reg_map_regnum_to_name. */ |
82eeeb94 | 28 | #include "target.h" |
fe898f56 | 29 | #include "block.h" |
9e35dae4 | 30 | #include "objfiles.h" |
79a45b7d | 31 | #include "valprint.h" |
c906108c | 32 | |
c906108c | 33 | #include <ctype.h> |
c906108c | 34 | |
c906108c | 35 | void |
fba45db2 | 36 | print_expression (struct expression *exp, struct ui_file *stream) |
c906108c SS |
37 | { |
38 | int pc = 0; | |
d7f9d729 | 39 | |
c906108c SS |
40 | print_subexp (exp, &pc, stream, PREC_NULL); |
41 | } | |
42 | ||
43 | /* Print the subexpression of EXP that starts in position POS, on STREAM. | |
44 | PREC is the precedence of the surrounding operator; | |
45 | if the precedence of the main operator of this subexpression is less, | |
46 | parentheses are needed here. */ | |
47 | ||
5f9769d1 | 48 | void |
f86f5ca3 | 49 | print_subexp (struct expression *exp, int *pos, |
fba45db2 | 50 | struct ui_file *stream, enum precedence prec) |
5f9769d1 PH |
51 | { |
52 | exp->language_defn->la_exp_desc->print_subexp (exp, pos, stream, prec); | |
53 | } | |
54 | ||
55 | /* Standard implementation of print_subexp for use in language_defn | |
56 | vectors. */ | |
57 | void | |
58 | print_subexp_standard (struct expression *exp, int *pos, | |
59 | struct ui_file *stream, enum precedence prec) | |
c906108c | 60 | { |
f86f5ca3 PH |
61 | unsigned tem; |
62 | const struct op_print *op_print_tab; | |
63 | int pc; | |
c906108c | 64 | unsigned nargs; |
a121b7c1 | 65 | const char *op_str; |
c906108c SS |
66 | int assign_modify = 0; |
67 | enum exp_opcode opcode; | |
68 | enum precedence myprec = PREC_NULL; | |
69 | /* Set to 1 for a right-associative operator. */ | |
70 | int assoc = 0; | |
3d6d86c6 | 71 | struct value *val; |
c906108c SS |
72 | char *tempstr = NULL; |
73 | ||
74 | op_print_tab = exp->language_defn->la_op_print_tab; | |
75 | pc = (*pos)++; | |
76 | opcode = exp->elts[pc].opcode; | |
77 | switch (opcode) | |
78 | { | |
c5aa993b | 79 | /* Common ops */ |
c906108c | 80 | |
4f485ebc DE |
81 | case OP_TYPE: |
82 | (*pos) += 2; | |
83 | type_print (exp->elts[pc + 1].type, "", stream, 0); | |
84 | return; | |
85 | ||
c906108c SS |
86 | case OP_SCOPE: |
87 | myprec = PREC_PREFIX; | |
88 | assoc = 0; | |
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); | |
94 | return; | |
95 | ||
96 | case OP_LONG: | |
79a45b7d TT |
97 | { |
98 | struct value_print_options opts; | |
d7f9d729 | 99 | |
2a998fc0 | 100 | get_no_prettyformat_print_options (&opts); |
79a45b7d TT |
101 | (*pos) += 3; |
102 | value_print (value_from_longest (exp->elts[pc + 1].type, | |
103 | exp->elts[pc + 2].longconst), | |
104 | stream, &opts); | |
105 | } | |
c906108c SS |
106 | return; |
107 | ||
108 | case OP_DOUBLE: | |
79a45b7d TT |
109 | { |
110 | struct value_print_options opts; | |
d7f9d729 | 111 | |
2a998fc0 | 112 | get_no_prettyformat_print_options (&opts); |
79a45b7d TT |
113 | (*pos) += 3; |
114 | value_print (value_from_double (exp->elts[pc + 1].type, | |
115 | exp->elts[pc + 2].doubleconst), | |
116 | stream, &opts); | |
117 | } | |
c906108c SS |
118 | return; |
119 | ||
120 | case OP_VAR_VALUE: | |
121 | { | |
270140bd | 122 | const struct block *b; |
d7f9d729 | 123 | |
c906108c SS |
124 | (*pos) += 3; |
125 | b = exp->elts[pc + 1].block; | |
126 | if (b != NULL | |
127 | && BLOCK_FUNCTION (b) != NULL | |
de5ad195 | 128 | && SYMBOL_PRINT_NAME (BLOCK_FUNCTION (b)) != NULL) |
c906108c | 129 | { |
de5ad195 | 130 | fputs_filtered (SYMBOL_PRINT_NAME (BLOCK_FUNCTION (b)), stream); |
c906108c SS |
131 | fputs_filtered ("::", stream); |
132 | } | |
de5ad195 | 133 | fputs_filtered (SYMBOL_PRINT_NAME (exp->elts[pc + 2].symbol), stream); |
c906108c SS |
134 | } |
135 | return; | |
136 | ||
74ea4be4 PA |
137 | case OP_VAR_MSYM_VALUE: |
138 | { | |
139 | (*pos) += 3; | |
140 | fputs_filtered (MSYMBOL_PRINT_NAME (exp->elts[pc + 2].msymbol), stream); | |
141 | } | |
142 | return; | |
143 | ||
36b11add JK |
144 | case OP_VAR_ENTRY_VALUE: |
145 | { | |
36b11add JK |
146 | (*pos) += 2; |
147 | fprintf_filtered (stream, "%s@entry", | |
148 | SYMBOL_PRINT_NAME (exp->elts[pc + 1].symbol)); | |
149 | } | |
150 | return; | |
151 | ||
c906108c SS |
152 | case OP_LAST: |
153 | (*pos) += 2; | |
154 | fprintf_filtered (stream, "$%d", | |
155 | longest_to_int (exp->elts[pc + 1].longconst)); | |
156 | return; | |
157 | ||
158 | case OP_REGISTER: | |
e36180d7 | 159 | { |
67f3407f | 160 | const char *name = &exp->elts[pc + 2].string; |
d7f9d729 | 161 | |
67f3407f | 162 | (*pos) += 3 + BYTES_TO_EXP_ELEM (exp->elts[pc + 1].longconst + 1); |
eb8bc282 | 163 | fprintf_filtered (stream, "$%s", name); |
e36180d7 AC |
164 | return; |
165 | } | |
c906108c SS |
166 | |
167 | case OP_BOOL: | |
168 | (*pos) += 2; | |
169 | fprintf_filtered (stream, "%s", | |
170 | longest_to_int (exp->elts[pc + 1].longconst) | |
171 | ? "TRUE" : "FALSE"); | |
172 | return; | |
173 | ||
174 | case OP_INTERNALVAR: | |
175 | (*pos) += 2; | |
176 | fprintf_filtered (stream, "$%s", | |
c5aa993b | 177 | internalvar_name (exp->elts[pc + 1].internalvar)); |
c906108c SS |
178 | return; |
179 | ||
180 | case OP_FUNCALL: | |
181 | (*pos) += 2; | |
182 | nargs = longest_to_int (exp->elts[pc + 1].longconst); | |
183 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
184 | fputs_filtered (" (", stream); | |
185 | for (tem = 0; tem < nargs; tem++) | |
186 | { | |
187 | if (tem != 0) | |
188 | fputs_filtered (", ", stream); | |
189 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
190 | } | |
191 | fputs_filtered (")", stream); | |
192 | return; | |
193 | ||
194 | case OP_NAME: | |
c5aa993b | 195 | nargs = longest_to_int (exp->elts[pc + 1].longconst); |
c906108c SS |
196 | (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1); |
197 | fputs_filtered (&exp->elts[pc + 2].string, stream); | |
198 | return; | |
199 | ||
200 | case OP_STRING: | |
79a45b7d TT |
201 | { |
202 | struct value_print_options opts; | |
d7f9d729 | 203 | |
79a45b7d TT |
204 | nargs = longest_to_int (exp->elts[pc + 1].longconst); |
205 | (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1); | |
206 | /* LA_PRINT_STRING will print using the current repeat count threshold. | |
207 | If necessary, we can temporarily set it to zero, or pass it as an | |
208 | additional parameter to LA_PRINT_STRING. -fnf */ | |
209 | get_user_print_options (&opts); | |
6c7a06a3 | 210 | LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char, |
ac91cd70 PA |
211 | (gdb_byte *) &exp->elts[pc + 2].string, nargs, |
212 | NULL, 0, &opts); | |
79a45b7d | 213 | } |
c906108c SS |
214 | return; |
215 | ||
3e43a32a MS |
216 | case OP_OBJC_NSSTRING: /* Objective-C Foundation Class |
217 | NSString constant. */ | |
79a45b7d TT |
218 | { |
219 | struct value_print_options opts; | |
d7f9d729 | 220 | |
79a45b7d TT |
221 | nargs = longest_to_int (exp->elts[pc + 1].longconst); |
222 | (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1); | |
223 | fputs_filtered ("@\"", stream); | |
224 | get_user_print_options (&opts); | |
6c7a06a3 | 225 | LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char, |
ac91cd70 PA |
226 | (gdb_byte *) &exp->elts[pc + 2].string, nargs, |
227 | NULL, 0, &opts); | |
79a45b7d TT |
228 | fputs_filtered ("\"", stream); |
229 | } | |
82eeeb94 AF |
230 | return; |
231 | ||
232 | case OP_OBJC_MSGCALL: | |
233 | { /* Objective C message (method) call. */ | |
234 | char *selector; | |
d7f9d729 | 235 | |
82eeeb94 AF |
236 | (*pos) += 3; |
237 | nargs = longest_to_int (exp->elts[pc + 2].longconst); | |
238 | fprintf_unfiltered (stream, "["); | |
239 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
240 | if (0 == target_read_string (exp->elts[pc + 1].longconst, | |
241 | &selector, 1024, NULL)) | |
242 | { | |
8a3fe4f8 | 243 | error (_("bad selector")); |
82eeeb94 AF |
244 | return; |
245 | } | |
246 | if (nargs) | |
247 | { | |
248 | char *s, *nextS; | |
d7f9d729 | 249 | |
224c3ddb | 250 | s = (char *) alloca (strlen (selector) + 1); |
82eeeb94 AF |
251 | strcpy (s, selector); |
252 | for (tem = 0; tem < nargs; tem++) | |
253 | { | |
254 | nextS = strchr (s, ':'); | |
fcd776e5 | 255 | gdb_assert (nextS); /* Make sure we found ':'. */ |
82eeeb94 AF |
256 | *nextS = '\0'; |
257 | fprintf_unfiltered (stream, " %s: ", s); | |
258 | s = nextS + 1; | |
259 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
260 | } | |
261 | } | |
262 | else | |
263 | { | |
264 | fprintf_unfiltered (stream, " %s", selector); | |
265 | } | |
266 | fprintf_unfiltered (stream, "]"); | |
0963b4bd | 267 | /* "selector" was malloc'd by target_read_string. Free it. */ |
4ef3f3be | 268 | xfree (selector); |
82eeeb94 AF |
269 | return; |
270 | } | |
271 | ||
c906108c SS |
272 | case OP_ARRAY: |
273 | (*pos) += 3; | |
274 | nargs = longest_to_int (exp->elts[pc + 2].longconst); | |
275 | nargs -= longest_to_int (exp->elts[pc + 1].longconst); | |
276 | nargs++; | |
277 | tem = 0; | |
278 | if (exp->elts[pc + 4].opcode == OP_LONG | |
b806fb9a UW |
279 | && exp->elts[pc + 5].type |
280 | == builtin_type (exp->gdbarch)->builtin_char | |
c906108c SS |
281 | && exp->language_defn->la_language == language_c) |
282 | { | |
283 | /* Attempt to print C character arrays using string syntax. | |
284 | Walk through the args, picking up one character from each | |
285 | of the OP_LONG expression elements. If any array element | |
286 | does not match our expection of what we should find for | |
287 | a simple string, revert back to array printing. Note that | |
288 | the last expression element is an explicit null terminator | |
0963b4bd | 289 | byte, which doesn't get printed. */ |
224c3ddb | 290 | tempstr = (char *) alloca (nargs); |
c906108c SS |
291 | pc += 4; |
292 | while (tem < nargs) | |
293 | { | |
294 | if (exp->elts[pc].opcode != OP_LONG | |
b806fb9a UW |
295 | || exp->elts[pc + 1].type |
296 | != builtin_type (exp->gdbarch)->builtin_char) | |
c906108c | 297 | { |
0963b4bd MS |
298 | /* Not a simple array of char, use regular array |
299 | printing. */ | |
c906108c SS |
300 | tem = 0; |
301 | break; | |
302 | } | |
303 | else | |
304 | { | |
305 | tempstr[tem++] = | |
306 | longest_to_int (exp->elts[pc + 2].longconst); | |
307 | pc += 4; | |
308 | } | |
309 | } | |
310 | } | |
311 | if (tem > 0) | |
312 | { | |
79a45b7d | 313 | struct value_print_options opts; |
d7f9d729 | 314 | |
79a45b7d | 315 | get_user_print_options (&opts); |
6c7a06a3 | 316 | LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char, |
ac91cd70 | 317 | (gdb_byte *) tempstr, nargs - 1, NULL, 0, &opts); |
c906108c SS |
318 | (*pos) = pc; |
319 | } | |
320 | else | |
321 | { | |
db034ac5 | 322 | fputs_filtered (" {", stream); |
c906108c SS |
323 | for (tem = 0; tem < nargs; tem++) |
324 | { | |
325 | if (tem != 0) | |
326 | { | |
327 | fputs_filtered (", ", stream); | |
328 | } | |
329 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
330 | } | |
db034ac5 | 331 | fputs_filtered ("}", stream); |
c906108c SS |
332 | } |
333 | return; | |
334 | ||
c906108c SS |
335 | case TERNOP_COND: |
336 | if ((int) prec > (int) PREC_COMMA) | |
337 | fputs_filtered ("(", stream); | |
338 | /* Print the subexpressions, forcing parentheses | |
c5aa993b JM |
339 | around any binary operations within them. |
340 | This is more parentheses than are strictly necessary, | |
341 | but it looks clearer. */ | |
c906108c SS |
342 | print_subexp (exp, pos, stream, PREC_HYPER); |
343 | fputs_filtered (" ? ", stream); | |
344 | print_subexp (exp, pos, stream, PREC_HYPER); | |
345 | fputs_filtered (" : ", stream); | |
346 | print_subexp (exp, pos, stream, PREC_HYPER); | |
347 | if ((int) prec > (int) PREC_COMMA) | |
348 | fputs_filtered (")", stream); | |
349 | return; | |
350 | ||
351 | case TERNOP_SLICE: | |
c906108c SS |
352 | print_subexp (exp, pos, stream, PREC_SUFFIX); |
353 | fputs_filtered ("(", stream); | |
354 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
355 | fputs_filtered (opcode == TERNOP_SLICE ? " : " : " UP ", stream); | |
356 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
357 | fputs_filtered (")", stream); | |
358 | return; | |
359 | ||
360 | case STRUCTOP_STRUCT: | |
361 | tem = longest_to_int (exp->elts[pc + 1].longconst); | |
362 | (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1); | |
363 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
364 | fputs_filtered (".", stream); | |
365 | fputs_filtered (&exp->elts[pc + 2].string, stream); | |
366 | return; | |
367 | ||
0963b4bd | 368 | /* Will not occur for Modula-2. */ |
c906108c SS |
369 | case STRUCTOP_PTR: |
370 | tem = longest_to_int (exp->elts[pc + 1].longconst); | |
371 | (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1); | |
372 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
373 | fputs_filtered ("->", stream); | |
374 | fputs_filtered (&exp->elts[pc + 2].string, stream); | |
375 | return; | |
376 | ||
0534816d DJ |
377 | case STRUCTOP_MEMBER: |
378 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
379 | fputs_filtered (".*", stream); | |
380 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
381 | return; | |
382 | ||
383 | case STRUCTOP_MPTR: | |
384 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
385 | fputs_filtered ("->*", stream); | |
386 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
387 | return; | |
388 | ||
c906108c SS |
389 | case BINOP_SUBSCRIPT: |
390 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
391 | fputs_filtered ("[", stream); | |
392 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
393 | fputs_filtered ("]", stream); | |
394 | return; | |
395 | ||
396 | case UNOP_POSTINCREMENT: | |
397 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
398 | fputs_filtered ("++", stream); | |
399 | return; | |
400 | ||
401 | case UNOP_POSTDECREMENT: | |
402 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
403 | fputs_filtered ("--", stream); | |
404 | return; | |
405 | ||
406 | case UNOP_CAST: | |
407 | (*pos) += 2; | |
408 | if ((int) prec > (int) PREC_PREFIX) | |
c5aa993b | 409 | fputs_filtered ("(", stream); |
c906108c SS |
410 | fputs_filtered ("(", stream); |
411 | type_print (exp->elts[pc + 1].type, "", stream, 0); | |
412 | fputs_filtered (") ", stream); | |
413 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
414 | if ((int) prec > (int) PREC_PREFIX) | |
c5aa993b | 415 | fputs_filtered (")", stream); |
c906108c SS |
416 | return; |
417 | ||
9eaf6705 | 418 | case UNOP_CAST_TYPE: |
9eaf6705 TT |
419 | if ((int) prec > (int) PREC_PREFIX) |
420 | fputs_filtered ("(", stream); | |
421 | fputs_filtered ("(", stream); | |
422 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
423 | fputs_filtered (") ", stream); | |
424 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
425 | if ((int) prec > (int) PREC_PREFIX) | |
426 | fputs_filtered (")", stream); | |
427 | return; | |
428 | ||
4e8f195d TT |
429 | case UNOP_DYNAMIC_CAST: |
430 | case UNOP_REINTERPRET_CAST: | |
431 | fputs_filtered (opcode == UNOP_DYNAMIC_CAST ? "dynamic_cast" | |
432 | : "reinterpret_cast", stream); | |
433 | fputs_filtered ("<", stream); | |
9eaf6705 | 434 | print_subexp (exp, pos, stream, PREC_PREFIX); |
4e8f195d TT |
435 | fputs_filtered ("> (", stream); |
436 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
437 | fputs_filtered (")", stream); | |
438 | return; | |
439 | ||
c906108c SS |
440 | case UNOP_MEMVAL: |
441 | (*pos) += 2; | |
442 | if ((int) prec > (int) PREC_PREFIX) | |
c5aa993b | 443 | fputs_filtered ("(", stream); |
905e0470 PM |
444 | if (TYPE_CODE (exp->elts[pc + 1].type) == TYPE_CODE_FUNC |
445 | && exp->elts[pc + 3].opcode == OP_LONG) | |
c5aa993b | 446 | { |
79a45b7d TT |
447 | struct value_print_options opts; |
448 | ||
c5aa993b JM |
449 | /* We have a minimal symbol fn, probably. It's encoded |
450 | as a UNOP_MEMVAL (function-type) of an OP_LONG (int, address). | |
451 | Swallow the OP_LONG (including both its opcodes); ignore | |
452 | its type; print the value in the type of the MEMVAL. */ | |
453 | (*pos) += 4; | |
454 | val = value_at_lazy (exp->elts[pc + 1].type, | |
00a4c844 | 455 | (CORE_ADDR) exp->elts[pc + 5].longconst); |
2a998fc0 | 456 | get_no_prettyformat_print_options (&opts); |
79a45b7d | 457 | value_print (val, stream, &opts); |
c5aa993b JM |
458 | } |
459 | else | |
460 | { | |
461 | fputs_filtered ("{", stream); | |
462 | type_print (exp->elts[pc + 1].type, "", stream, 0); | |
463 | fputs_filtered ("} ", stream); | |
464 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
465 | } | |
c906108c | 466 | if ((int) prec > (int) PREC_PREFIX) |
c5aa993b | 467 | fputs_filtered (")", stream); |
c906108c SS |
468 | return; |
469 | ||
9eaf6705 | 470 | case UNOP_MEMVAL_TYPE: |
9eaf6705 TT |
471 | if ((int) prec > (int) PREC_PREFIX) |
472 | fputs_filtered ("(", stream); | |
473 | fputs_filtered ("{", stream); | |
474 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
475 | fputs_filtered ("} ", stream); | |
476 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
477 | if ((int) prec > (int) PREC_PREFIX) | |
478 | fputs_filtered (")", stream); | |
479 | return; | |
480 | ||
c906108c SS |
481 | case BINOP_ASSIGN_MODIFY: |
482 | opcode = exp->elts[pc + 1].opcode; | |
483 | (*pos) += 2; | |
484 | myprec = PREC_ASSIGN; | |
485 | assoc = 1; | |
486 | assign_modify = 1; | |
487 | op_str = "???"; | |
488 | for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++) | |
489 | if (op_print_tab[tem].opcode == opcode) | |
490 | { | |
491 | op_str = op_print_tab[tem].string; | |
492 | break; | |
493 | } | |
494 | if (op_print_tab[tem].opcode != opcode) | |
495 | /* Not found; don't try to keep going because we don't know how | |
496 | to interpret further elements. */ | |
8a3fe4f8 | 497 | error (_("Invalid expression")); |
c906108c SS |
498 | break; |
499 | ||
c5aa993b | 500 | /* C++ ops */ |
c906108c SS |
501 | |
502 | case OP_THIS: | |
503 | ++(*pos); | |
aee28ec6 TT |
504 | if (exp->language_defn->la_name_of_this) |
505 | fputs_filtered (exp->language_defn->la_name_of_this, stream); | |
506 | else | |
507 | fprintf_filtered (stream, _("<language %s has no 'this'>"), | |
508 | exp->language_defn->la_name); | |
82eeeb94 AF |
509 | return; |
510 | ||
c5aa993b | 511 | /* Modula-2 ops */ |
c906108c SS |
512 | |
513 | case MULTI_SUBSCRIPT: | |
514 | (*pos) += 2; | |
515 | nargs = longest_to_int (exp->elts[pc + 1].longconst); | |
516 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
517 | fprintf_unfiltered (stream, " ["); | |
518 | for (tem = 0; tem < nargs; tem++) | |
519 | { | |
520 | if (tem != 0) | |
521 | fprintf_unfiltered (stream, ", "); | |
522 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
523 | } | |
524 | fprintf_unfiltered (stream, "]"); | |
525 | return; | |
526 | ||
527 | case BINOP_VAL: | |
c5aa993b JM |
528 | (*pos) += 2; |
529 | fprintf_unfiltered (stream, "VAL("); | |
530 | type_print (exp->elts[pc + 1].type, "", stream, 0); | |
531 | fprintf_unfiltered (stream, ","); | |
532 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
533 | fprintf_unfiltered (stream, ")"); | |
c906108c | 534 | return; |
c5aa993b | 535 | |
600ea1be JK |
536 | case TYPE_INSTANCE: |
537 | { | |
538 | LONGEST count = exp->elts[pc + 1].longconst; | |
539 | ||
540 | /* The COUNT. */ | |
541 | (*pos)++; | |
542 | fputs_unfiltered ("TypesInstance(", stream); | |
543 | while (count-- > 0) | |
544 | { | |
545 | type_print (exp->elts[(*pos)++].type, "", stream, 0); | |
546 | if (count > 0) | |
547 | fputs_unfiltered (",", stream); | |
548 | } | |
549 | fputs_unfiltered (",", stream); | |
550 | /* Ending COUNT and ending TYPE_INSTANCE. */ | |
551 | (*pos) += 2; | |
552 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
553 | fputs_unfiltered (")", stream); | |
554 | return; | |
555 | } | |
556 | ||
01739a3b | 557 | case OP_RANGE: |
e4b8a1c8 | 558 | { |
01739a3b | 559 | enum range_type range_type; |
e4b8a1c8 | 560 | |
01739a3b | 561 | range_type = (enum range_type) |
e4b8a1c8 TT |
562 | longest_to_int (exp->elts[pc + 1].longconst); |
563 | *pos += 2; | |
564 | ||
565 | fputs_filtered ("RANGE(", stream); | |
566 | if (range_type == HIGH_BOUND_DEFAULT | |
567 | || range_type == NONE_BOUND_DEFAULT) | |
568 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
569 | fputs_filtered ("..", stream); | |
570 | if (range_type == LOW_BOUND_DEFAULT | |
571 | || range_type == NONE_BOUND_DEFAULT) | |
572 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
573 | fputs_filtered (")", stream); | |
574 | return; | |
575 | } | |
576 | ||
c5aa993b | 577 | /* Default ops */ |
c906108c SS |
578 | |
579 | default: | |
580 | op_str = "???"; | |
581 | for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++) | |
582 | if (op_print_tab[tem].opcode == opcode) | |
583 | { | |
584 | op_str = op_print_tab[tem].string; | |
585 | myprec = op_print_tab[tem].precedence; | |
586 | assoc = op_print_tab[tem].right_assoc; | |
587 | break; | |
588 | } | |
589 | if (op_print_tab[tem].opcode != opcode) | |
590 | /* Not found; don't try to keep going because we don't know how | |
591 | to interpret further elements. For example, this happens | |
592 | if opcode is OP_TYPE. */ | |
8a3fe4f8 | 593 | error (_("Invalid expression")); |
c5aa993b | 594 | } |
c906108c | 595 | |
0963b4bd | 596 | /* Note that PREC_BUILTIN will always emit parentheses. */ |
c906108c SS |
597 | if ((int) myprec < (int) prec) |
598 | fputs_filtered ("(", stream); | |
599 | if ((int) opcode > (int) BINOP_END) | |
600 | { | |
601 | if (assoc) | |
602 | { | |
603 | /* Unary postfix operator. */ | |
604 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
605 | fputs_filtered (op_str, stream); | |
606 | } | |
607 | else | |
608 | { | |
609 | /* Unary prefix operator. */ | |
610 | fputs_filtered (op_str, stream); | |
611 | if (myprec == PREC_BUILTIN_FUNCTION) | |
612 | fputs_filtered ("(", stream); | |
613 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
614 | if (myprec == PREC_BUILTIN_FUNCTION) | |
615 | fputs_filtered (")", stream); | |
616 | } | |
617 | } | |
618 | else | |
619 | { | |
620 | /* Binary operator. */ | |
621 | /* Print left operand. | |
c5aa993b JM |
622 | If operator is right-associative, |
623 | increment precedence for this operand. */ | |
c906108c SS |
624 | print_subexp (exp, pos, stream, |
625 | (enum precedence) ((int) myprec + assoc)); | |
626 | /* Print the operator itself. */ | |
627 | if (assign_modify) | |
628 | fprintf_filtered (stream, " %s= ", op_str); | |
629 | else if (op_str[0] == ',') | |
630 | fprintf_filtered (stream, "%s ", op_str); | |
631 | else | |
632 | fprintf_filtered (stream, " %s ", op_str); | |
633 | /* Print right operand. | |
c5aa993b JM |
634 | If operator is left-associative, |
635 | increment precedence for this operand. */ | |
c906108c SS |
636 | print_subexp (exp, pos, stream, |
637 | (enum precedence) ((int) myprec + !assoc)); | |
638 | } | |
639 | ||
640 | if ((int) myprec < (int) prec) | |
641 | fputs_filtered (")", stream); | |
642 | } | |
643 | ||
644 | /* Return the operator corresponding to opcode OP as | |
645 | a string. NULL indicates that the opcode was not found in the | |
646 | current language table. */ | |
a121b7c1 | 647 | const char * |
fba45db2 | 648 | op_string (enum exp_opcode op) |
c906108c SS |
649 | { |
650 | int tem; | |
f86f5ca3 | 651 | const struct op_print *op_print_tab; |
c906108c SS |
652 | |
653 | op_print_tab = current_language->la_op_print_tab; | |
654 | for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++) | |
655 | if (op_print_tab[tem].opcode == op) | |
656 | return op_print_tab[tem].string; | |
657 | return NULL; | |
658 | } | |
659 | ||
c906108c SS |
660 | /* Support for dumping the raw data from expressions in a human readable |
661 | form. */ | |
662 | ||
24daaebc | 663 | static int dump_subexp_body (struct expression *exp, struct ui_file *, int); |
c906108c | 664 | |
0963b4bd | 665 | /* Name for OPCODE, when it appears in expression EXP. */ |
5f9769d1 | 666 | |
a121b7c1 | 667 | const char * |
5f9769d1 PH |
668 | op_name (struct expression *exp, enum exp_opcode opcode) |
669 | { | |
670 | return exp->language_defn->la_exp_desc->op_name (opcode); | |
671 | } | |
672 | ||
673 | /* Default name for the standard operator OPCODE (i.e., one defined in | |
674 | the definition of enum exp_opcode). */ | |
675 | ||
a121b7c1 | 676 | const char * |
5f9769d1 | 677 | op_name_standard (enum exp_opcode opcode) |
c906108c SS |
678 | { |
679 | switch (opcode) | |
680 | { | |
681 | default: | |
682 | { | |
683 | static char buf[30]; | |
684 | ||
08850b56 | 685 | xsnprintf (buf, sizeof (buf), "<unknown %d>", opcode); |
c906108c SS |
686 | return buf; |
687 | } | |
56c12414 JK |
688 | #define OP(name) \ |
689 | case name: \ | |
690 | return #name ; | |
691 | #include "std-operator.def" | |
692 | #undef OP | |
c906108c SS |
693 | } |
694 | } | |
695 | ||
a411cd0e DE |
696 | /* Print a raw dump of expression EXP to STREAM. |
697 | NOTE, if non-NULL, is printed as extra explanatory text. */ | |
698 | ||
c906108c | 699 | void |
24daaebc | 700 | dump_raw_expression (struct expression *exp, struct ui_file *stream, |
a121b7c1 | 701 | const char *note) |
c906108c SS |
702 | { |
703 | int elt; | |
c906108c SS |
704 | char *eltscan; |
705 | int eltsize; | |
706 | ||
707 | fprintf_filtered (stream, "Dump of expression @ "); | |
d4f3574e | 708 | gdb_print_host_address (exp, stream); |
a411cd0e DE |
709 | if (note) |
710 | fprintf_filtered (stream, ", %s:", note); | |
711 | fprintf_filtered (stream, "\n\tLanguage %s, %d elements, %ld bytes each.\n", | |
c5aa993b | 712 | exp->language_defn->la_name, exp->nelts, |
9d271fd8 | 713 | (long) sizeof (union exp_element)); |
c906108c SS |
714 | fprintf_filtered (stream, "\t%5s %20s %16s %s\n", "Index", "Opcode", |
715 | "Hex Value", "String Value"); | |
c5aa993b | 716 | for (elt = 0; elt < exp->nelts; elt++) |
c906108c SS |
717 | { |
718 | fprintf_filtered (stream, "\t%5d ", elt); | |
c906108c | 719 | |
a121b7c1 | 720 | const char *opcode_name = op_name (exp, exp->elts[elt].opcode); |
c906108c | 721 | fprintf_filtered (stream, "%20s ", opcode_name); |
a121b7c1 | 722 | |
c5aa993b | 723 | print_longest (stream, 'd', 0, exp->elts[elt].longconst); |
c906108c SS |
724 | fprintf_filtered (stream, " "); |
725 | ||
726 | for (eltscan = (char *) &exp->elts[elt], | |
c5aa993b | 727 | eltsize = sizeof (union exp_element); |
c906108c SS |
728 | eltsize-- > 0; |
729 | eltscan++) | |
730 | { | |
731 | fprintf_filtered (stream, "%c", | |
732 | isprint (*eltscan) ? (*eltscan & 0xFF) : '.'); | |
733 | } | |
734 | fprintf_filtered (stream, "\n"); | |
735 | } | |
736 | } | |
737 | ||
24daaebc PH |
738 | /* Dump the subexpression of prefix expression EXP whose operator is at |
739 | position ELT onto STREAM. Returns the position of the next | |
740 | subexpression in EXP. */ | |
c906108c | 741 | |
24daaebc | 742 | int |
fba45db2 | 743 | dump_subexp (struct expression *exp, struct ui_file *stream, int elt) |
c906108c SS |
744 | { |
745 | static int indent = 0; | |
746 | int i; | |
747 | ||
748 | fprintf_filtered (stream, "\n"); | |
749 | fprintf_filtered (stream, "\t%5d ", elt); | |
750 | ||
751 | for (i = 1; i <= indent; i++) | |
752 | fprintf_filtered (stream, " "); | |
753 | indent += 2; | |
754 | ||
5f9769d1 | 755 | fprintf_filtered (stream, "%-20s ", op_name (exp, exp->elts[elt].opcode)); |
c906108c | 756 | |
24daaebc PH |
757 | elt = dump_subexp_body (exp, stream, elt); |
758 | ||
759 | indent -= 2; | |
760 | ||
761 | return elt; | |
762 | } | |
763 | ||
764 | /* Dump the operands of prefix expression EXP whose opcode is at | |
765 | position ELT onto STREAM. Returns the position of the next | |
766 | subexpression in EXP. */ | |
767 | ||
768 | static int | |
769 | dump_subexp_body (struct expression *exp, struct ui_file *stream, int elt) | |
5f9769d1 PH |
770 | { |
771 | return exp->language_defn->la_exp_desc->dump_subexp_body (exp, stream, elt); | |
772 | } | |
773 | ||
774 | /* Default value for subexp_body in exp_descriptor vector. */ | |
775 | ||
776 | int | |
777 | dump_subexp_body_standard (struct expression *exp, | |
778 | struct ui_file *stream, int elt) | |
24daaebc PH |
779 | { |
780 | int opcode = exp->elts[elt++].opcode; | |
781 | ||
782 | switch (opcode) | |
c906108c SS |
783 | { |
784 | case TERNOP_COND: | |
785 | case TERNOP_SLICE: | |
c906108c | 786 | elt = dump_subexp (exp, stream, elt); |
cb969d61 | 787 | /* FALL THROUGH */ |
c906108c SS |
788 | case BINOP_ADD: |
789 | case BINOP_SUB: | |
790 | case BINOP_MUL: | |
791 | case BINOP_DIV: | |
792 | case BINOP_REM: | |
793 | case BINOP_MOD: | |
794 | case BINOP_LSH: | |
795 | case BINOP_RSH: | |
796 | case BINOP_LOGICAL_AND: | |
797 | case BINOP_LOGICAL_OR: | |
798 | case BINOP_BITWISE_AND: | |
799 | case BINOP_BITWISE_IOR: | |
800 | case BINOP_BITWISE_XOR: | |
801 | case BINOP_EQUAL: | |
802 | case BINOP_NOTEQUAL: | |
803 | case BINOP_LESS: | |
804 | case BINOP_GTR: | |
805 | case BINOP_LEQ: | |
806 | case BINOP_GEQ: | |
807 | case BINOP_REPEAT: | |
808 | case BINOP_ASSIGN: | |
809 | case BINOP_COMMA: | |
810 | case BINOP_SUBSCRIPT: | |
811 | case BINOP_EXP: | |
812 | case BINOP_MIN: | |
813 | case BINOP_MAX: | |
c906108c SS |
814 | case BINOP_INTDIV: |
815 | case BINOP_ASSIGN_MODIFY: | |
816 | case BINOP_VAL: | |
c906108c | 817 | case BINOP_CONCAT: |
c906108c | 818 | case BINOP_END: |
0534816d DJ |
819 | case STRUCTOP_MEMBER: |
820 | case STRUCTOP_MPTR: | |
c906108c | 821 | elt = dump_subexp (exp, stream, elt); |
cb969d61 | 822 | /* FALL THROUGH */ |
c906108c SS |
823 | case UNOP_NEG: |
824 | case UNOP_LOGICAL_NOT: | |
825 | case UNOP_COMPLEMENT: | |
826 | case UNOP_IND: | |
827 | case UNOP_ADDR: | |
828 | case UNOP_PREINCREMENT: | |
829 | case UNOP_POSTINCREMENT: | |
830 | case UNOP_PREDECREMENT: | |
831 | case UNOP_POSTDECREMENT: | |
832 | case UNOP_SIZEOF: | |
833 | case UNOP_PLUS: | |
834 | case UNOP_CAP: | |
835 | case UNOP_CHR: | |
836 | case UNOP_ORD: | |
837 | case UNOP_ABS: | |
838 | case UNOP_FLOAT: | |
839 | case UNOP_HIGH: | |
840 | case UNOP_MAX: | |
841 | case UNOP_MIN: | |
842 | case UNOP_ODD: | |
843 | case UNOP_TRUNC: | |
c906108c SS |
844 | elt = dump_subexp (exp, stream, elt); |
845 | break; | |
846 | case OP_LONG: | |
d4f3574e SS |
847 | fprintf_filtered (stream, "Type @"); |
848 | gdb_print_host_address (exp->elts[elt].type, stream); | |
849 | fprintf_filtered (stream, " ("); | |
c906108c SS |
850 | type_print (exp->elts[elt].type, NULL, stream, 0); |
851 | fprintf_filtered (stream, "), value %ld (0x%lx)", | |
c5aa993b JM |
852 | (long) exp->elts[elt + 1].longconst, |
853 | (long) exp->elts[elt + 1].longconst); | |
c906108c SS |
854 | elt += 3; |
855 | break; | |
856 | case OP_DOUBLE: | |
d4f3574e SS |
857 | fprintf_filtered (stream, "Type @"); |
858 | gdb_print_host_address (exp->elts[elt].type, stream); | |
859 | fprintf_filtered (stream, " ("); | |
c906108c SS |
860 | type_print (exp->elts[elt].type, NULL, stream, 0); |
861 | fprintf_filtered (stream, "), value %g", | |
c5aa993b | 862 | (double) exp->elts[elt + 1].doubleconst); |
c906108c SS |
863 | elt += 3; |
864 | break; | |
865 | case OP_VAR_VALUE: | |
d4f3574e SS |
866 | fprintf_filtered (stream, "Block @"); |
867 | gdb_print_host_address (exp->elts[elt].block, stream); | |
868 | fprintf_filtered (stream, ", symbol @"); | |
869 | gdb_print_host_address (exp->elts[elt + 1].symbol, stream); | |
870 | fprintf_filtered (stream, " (%s)", | |
3567439c | 871 | SYMBOL_PRINT_NAME (exp->elts[elt + 1].symbol)); |
c906108c SS |
872 | elt += 3; |
873 | break; | |
74ea4be4 PA |
874 | case OP_VAR_MSYM_VALUE: |
875 | fprintf_filtered (stream, "Objfile @"); | |
876 | gdb_print_host_address (exp->elts[elt].objfile, stream); | |
877 | fprintf_filtered (stream, ", msymbol @"); | |
878 | gdb_print_host_address (exp->elts[elt + 1].msymbol, stream); | |
879 | fprintf_filtered (stream, " (%s)", | |
880 | MSYMBOL_PRINT_NAME (exp->elts[elt + 1].msymbol)); | |
881 | elt += 3; | |
882 | break; | |
36b11add JK |
883 | case OP_VAR_ENTRY_VALUE: |
884 | fprintf_filtered (stream, "Entry value of symbol @"); | |
885 | gdb_print_host_address (exp->elts[elt].symbol, stream); | |
886 | fprintf_filtered (stream, " (%s)", | |
887 | SYMBOL_PRINT_NAME (exp->elts[elt].symbol)); | |
888 | elt += 2; | |
889 | break; | |
c906108c SS |
890 | case OP_LAST: |
891 | fprintf_filtered (stream, "History element %ld", | |
c5aa993b | 892 | (long) exp->elts[elt].longconst); |
c906108c SS |
893 | elt += 2; |
894 | break; | |
895 | case OP_REGISTER: | |
67f3407f DJ |
896 | fprintf_filtered (stream, "Register $%s", &exp->elts[elt + 1].string); |
897 | elt += 3 + BYTES_TO_EXP_ELEM (exp->elts[elt].longconst + 1); | |
c906108c SS |
898 | break; |
899 | case OP_INTERNALVAR: | |
d4f3574e SS |
900 | fprintf_filtered (stream, "Internal var @"); |
901 | gdb_print_host_address (exp->elts[elt].internalvar, stream); | |
902 | fprintf_filtered (stream, " (%s)", | |
4fa62494 | 903 | internalvar_name (exp->elts[elt].internalvar)); |
c906108c SS |
904 | elt += 2; |
905 | break; | |
906 | case OP_FUNCALL: | |
907 | { | |
24daaebc | 908 | int i, nargs; |
c906108c SS |
909 | |
910 | nargs = longest_to_int (exp->elts[elt].longconst); | |
911 | ||
912 | fprintf_filtered (stream, "Number of args: %d", nargs); | |
913 | elt += 2; | |
914 | ||
915 | for (i = 1; i <= nargs + 1; i++) | |
916 | elt = dump_subexp (exp, stream, elt); | |
917 | } | |
918 | break; | |
919 | case OP_ARRAY: | |
920 | { | |
921 | int lower, upper; | |
922 | int i; | |
923 | ||
924 | lower = longest_to_int (exp->elts[elt].longconst); | |
925 | upper = longest_to_int (exp->elts[elt + 1].longconst); | |
926 | ||
927 | fprintf_filtered (stream, "Bounds [%d:%d]", lower, upper); | |
928 | elt += 3; | |
929 | ||
930 | for (i = 1; i <= upper - lower + 1; i++) | |
931 | elt = dump_subexp (exp, stream, elt); | |
932 | } | |
933 | break; | |
4e8f195d TT |
934 | case UNOP_DYNAMIC_CAST: |
935 | case UNOP_REINTERPRET_CAST: | |
9eaf6705 TT |
936 | case UNOP_CAST_TYPE: |
937 | case UNOP_MEMVAL_TYPE: | |
9eaf6705 TT |
938 | fprintf_filtered (stream, " ("); |
939 | elt = dump_subexp (exp, stream, elt); | |
940 | fprintf_filtered (stream, ")"); | |
941 | elt = dump_subexp (exp, stream, elt); | |
942 | break; | |
943 | case UNOP_MEMVAL: | |
944 | case UNOP_CAST: | |
d4f3574e SS |
945 | fprintf_filtered (stream, "Type @"); |
946 | gdb_print_host_address (exp->elts[elt].type, stream); | |
947 | fprintf_filtered (stream, " ("); | |
c906108c SS |
948 | type_print (exp->elts[elt].type, NULL, stream, 0); |
949 | fprintf_filtered (stream, ")"); | |
950 | elt = dump_subexp (exp, stream, elt + 2); | |
951 | break; | |
952 | case OP_TYPE: | |
d4f3574e SS |
953 | fprintf_filtered (stream, "Type @"); |
954 | gdb_print_host_address (exp->elts[elt].type, stream); | |
955 | fprintf_filtered (stream, " ("); | |
c906108c SS |
956 | type_print (exp->elts[elt].type, NULL, stream, 0); |
957 | fprintf_filtered (stream, ")"); | |
958 | elt += 2; | |
959 | break; | |
608b4967 TT |
960 | case OP_TYPEOF: |
961 | case OP_DECLTYPE: | |
962 | fprintf_filtered (stream, "Typeof ("); | |
963 | elt = dump_subexp (exp, stream, elt); | |
964 | fprintf_filtered (stream, ")"); | |
965 | break; | |
6e72ca20 TT |
966 | case OP_TYPEID: |
967 | fprintf_filtered (stream, "typeid ("); | |
968 | elt = dump_subexp (exp, stream, elt); | |
969 | fprintf_filtered (stream, ")"); | |
970 | break; | |
c906108c SS |
971 | case STRUCTOP_STRUCT: |
972 | case STRUCTOP_PTR: | |
973 | { | |
974 | char *elem_name; | |
975 | int len; | |
976 | ||
977 | len = longest_to_int (exp->elts[elt].longconst); | |
978 | elem_name = &exp->elts[elt + 1].string; | |
979 | ||
980 | fprintf_filtered (stream, "Element name: `%.*s'", len, elem_name); | |
981 | elt = dump_subexp (exp, stream, elt + 3 + BYTES_TO_EXP_ELEM (len + 1)); | |
982 | } | |
983 | break; | |
984 | case OP_SCOPE: | |
985 | { | |
986 | char *elem_name; | |
987 | int len; | |
988 | ||
d4f3574e SS |
989 | fprintf_filtered (stream, "Type @"); |
990 | gdb_print_host_address (exp->elts[elt].type, stream); | |
991 | fprintf_filtered (stream, " ("); | |
c906108c SS |
992 | type_print (exp->elts[elt].type, NULL, stream, 0); |
993 | fprintf_filtered (stream, ") "); | |
994 | ||
995 | len = longest_to_int (exp->elts[elt + 1].longconst); | |
996 | elem_name = &exp->elts[elt + 2].string; | |
997 | ||
998 | fprintf_filtered (stream, "Field name: `%.*s'", len, elem_name); | |
999 | elt += 4 + BYTES_TO_EXP_ELEM (len + 1); | |
1000 | } | |
1001 | break; | |
600ea1be JK |
1002 | case TYPE_INSTANCE: |
1003 | { | |
600ea1be JK |
1004 | LONGEST len; |
1005 | ||
1006 | len = exp->elts[elt++].longconst; | |
1007 | fprintf_filtered (stream, "%s TypeInstance: ", plongest (len)); | |
1008 | while (len-- > 0) | |
1009 | { | |
1010 | fprintf_filtered (stream, "Type @"); | |
1011 | gdb_print_host_address (exp->elts[elt].type, stream); | |
1012 | fprintf_filtered (stream, " ("); | |
1013 | type_print (exp->elts[elt].type, NULL, stream, 0); | |
1014 | fprintf_filtered (stream, ")"); | |
1015 | elt++; | |
1016 | if (len > 0) | |
1017 | fputs_filtered (", ", stream); | |
1018 | } | |
1019 | /* Ending LEN and ending TYPE_INSTANCE. */ | |
1020 | elt += 2; | |
1021 | elt = dump_subexp (exp, stream, elt); | |
1022 | } | |
1023 | break; | |
2d40be18 SM |
1024 | case OP_STRING: |
1025 | { | |
1026 | LONGEST len = exp->elts[elt].longconst; | |
1027 | LONGEST type = exp->elts[elt + 1].longconst; | |
1028 | ||
1029 | fprintf_filtered (stream, "Language-specific string type: %s", | |
1030 | plongest (type)); | |
1031 | ||
1032 | /* Skip length. */ | |
1033 | elt += 1; | |
1034 | ||
1035 | /* Skip string content. */ | |
1036 | elt += BYTES_TO_EXP_ELEM (len); | |
1037 | ||
1038 | /* Skip length and ending OP_STRING. */ | |
1039 | elt += 2; | |
1040 | } | |
1041 | break; | |
01739a3b | 1042 | case OP_RANGE: |
e4b8a1c8 | 1043 | { |
01739a3b | 1044 | enum range_type range_type; |
e4b8a1c8 | 1045 | |
01739a3b | 1046 | range_type = (enum range_type) |
e4b8a1c8 TT |
1047 | longest_to_int (exp->elts[elt].longconst); |
1048 | elt += 2; | |
1049 | ||
1050 | switch (range_type) | |
1051 | { | |
1052 | case BOTH_BOUND_DEFAULT: | |
1053 | fputs_filtered ("Range '..'", stream); | |
1054 | break; | |
1055 | case LOW_BOUND_DEFAULT: | |
1056 | fputs_filtered ("Range '..EXP'", stream); | |
1057 | break; | |
1058 | case HIGH_BOUND_DEFAULT: | |
1059 | fputs_filtered ("Range 'EXP..'", stream); | |
1060 | break; | |
1061 | case NONE_BOUND_DEFAULT: | |
1062 | fputs_filtered ("Range 'EXP..EXP'", stream); | |
1063 | break; | |
1064 | default: | |
1065 | fputs_filtered ("Invalid Range!", stream); | |
1066 | break; | |
1067 | } | |
1068 | ||
1069 | if (range_type == HIGH_BOUND_DEFAULT | |
1070 | || range_type == NONE_BOUND_DEFAULT) | |
1071 | elt = dump_subexp (exp, stream, elt); | |
1072 | if (range_type == LOW_BOUND_DEFAULT | |
1073 | || range_type == NONE_BOUND_DEFAULT) | |
1074 | elt = dump_subexp (exp, stream, elt); | |
1075 | } | |
1076 | break; | |
1077 | ||
c906108c SS |
1078 | default: |
1079 | case OP_NULL: | |
c906108c SS |
1080 | case MULTI_SUBSCRIPT: |
1081 | case OP_F77_UNDETERMINED_ARGLIST: | |
1082 | case OP_COMPLEX: | |
c906108c SS |
1083 | case OP_BOOL: |
1084 | case OP_M2_STRING: | |
1085 | case OP_THIS: | |
c906108c | 1086 | case OP_NAME: |
c906108c SS |
1087 | fprintf_filtered (stream, "Unknown format"); |
1088 | } | |
1089 | ||
c906108c SS |
1090 | return elt; |
1091 | } | |
1092 | ||
1093 | void | |
24daaebc | 1094 | dump_prefix_expression (struct expression *exp, struct ui_file *stream) |
c906108c SS |
1095 | { |
1096 | int elt; | |
1097 | ||
1098 | fprintf_filtered (stream, "Dump of expression @ "); | |
d4f3574e | 1099 | gdb_print_host_address (exp, stream); |
24daaebc | 1100 | fputs_filtered (", after conversion to prefix form:\nExpression: `", stream); |
4f485ebc | 1101 | print_expression (exp, stream); |
9d271fd8 | 1102 | fprintf_filtered (stream, "'\n\tLanguage %s, %d elements, %ld bytes each.\n", |
c5aa993b | 1103 | exp->language_defn->la_name, exp->nelts, |
9d271fd8 | 1104 | (long) sizeof (union exp_element)); |
c906108c SS |
1105 | fputs_filtered ("\n", stream); |
1106 | ||
c5aa993b | 1107 | for (elt = 0; elt < exp->nelts;) |
c906108c SS |
1108 | elt = dump_subexp (exp, stream, elt); |
1109 | fputs_filtered ("\n", stream); | |
1110 | } |