Commit | Line | Data |
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c906108c | 1 | /* Print in infix form a struct expression. |
1bac305b | 2 | |
197e01b6 | 3 | Copyright (C) 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, |
4c38e0a4 JB |
4 | 1998, 1999, 2000, 2003, 2007, 2008, 2009, 2010 |
5 | Free Software Foundation, Inc. | |
c906108c | 6 | |
c5aa993b | 7 | This file is part of GDB. |
c906108c | 8 | |
c5aa993b JM |
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 | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
c5aa993b | 12 | (at your option) any later version. |
c906108c | 13 | |
c5aa993b JM |
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. | |
c906108c | 18 | |
c5aa993b | 19 | You should have received a copy of the GNU General Public License |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c906108c SS |
21 | |
22 | #include "defs.h" | |
23 | #include "symtab.h" | |
24 | #include "gdbtypes.h" | |
25 | #include "expression.h" | |
26 | #include "value.h" | |
27 | #include "language.h" | |
28 | #include "parser-defs.h" | |
eb8bc282 | 29 | #include "user-regs.h" /* For user_reg_map_regnum_to_name. */ |
82eeeb94 AF |
30 | #include "target.h" |
31 | #include "gdb_string.h" | |
fe898f56 | 32 | #include "block.h" |
9e35dae4 | 33 | #include "objfiles.h" |
fcd776e5 | 34 | #include "gdb_assert.h" |
79a45b7d | 35 | #include "valprint.h" |
c906108c SS |
36 | |
37 | #ifdef HAVE_CTYPE_H | |
38 | #include <ctype.h> | |
39 | #endif | |
40 | ||
c906108c | 41 | void |
fba45db2 | 42 | print_expression (struct expression *exp, struct ui_file *stream) |
c906108c SS |
43 | { |
44 | int pc = 0; | |
45 | print_subexp (exp, &pc, stream, PREC_NULL); | |
46 | } | |
47 | ||
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. */ | |
52 | ||
5f9769d1 | 53 | void |
f86f5ca3 | 54 | print_subexp (struct expression *exp, int *pos, |
fba45db2 | 55 | struct ui_file *stream, enum precedence prec) |
5f9769d1 PH |
56 | { |
57 | exp->language_defn->la_exp_desc->print_subexp (exp, pos, stream, prec); | |
58 | } | |
59 | ||
60 | /* Standard implementation of print_subexp for use in language_defn | |
61 | vectors. */ | |
62 | void | |
63 | print_subexp_standard (struct expression *exp, int *pos, | |
64 | struct ui_file *stream, enum precedence prec) | |
c906108c | 65 | { |
f86f5ca3 PH |
66 | unsigned tem; |
67 | const struct op_print *op_print_tab; | |
68 | int pc; | |
c906108c | 69 | unsigned nargs; |
f86f5ca3 | 70 | char *op_str; |
c906108c SS |
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. */ | |
75 | int assoc = 0; | |
3d6d86c6 | 76 | struct value *val; |
c906108c SS |
77 | char *tempstr = NULL; |
78 | ||
79 | op_print_tab = exp->language_defn->la_op_print_tab; | |
80 | pc = (*pos)++; | |
81 | opcode = exp->elts[pc].opcode; | |
82 | switch (opcode) | |
83 | { | |
c5aa993b | 84 | /* Common ops */ |
c906108c SS |
85 | |
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; | |
99 | get_raw_print_options (&opts); | |
100 | (*pos) += 3; | |
101 | value_print (value_from_longest (exp->elts[pc + 1].type, | |
102 | exp->elts[pc + 2].longconst), | |
103 | stream, &opts); | |
104 | } | |
c906108c SS |
105 | return; |
106 | ||
107 | case OP_DOUBLE: | |
79a45b7d TT |
108 | { |
109 | struct value_print_options opts; | |
110 | get_raw_print_options (&opts); | |
111 | (*pos) += 3; | |
112 | value_print (value_from_double (exp->elts[pc + 1].type, | |
113 | exp->elts[pc + 2].doubleconst), | |
114 | stream, &opts); | |
115 | } | |
c906108c SS |
116 | return; |
117 | ||
118 | case OP_VAR_VALUE: | |
119 | { | |
120 | struct block *b; | |
121 | (*pos) += 3; | |
122 | b = exp->elts[pc + 1].block; | |
123 | if (b != NULL | |
124 | && BLOCK_FUNCTION (b) != NULL | |
de5ad195 | 125 | && SYMBOL_PRINT_NAME (BLOCK_FUNCTION (b)) != NULL) |
c906108c | 126 | { |
de5ad195 | 127 | fputs_filtered (SYMBOL_PRINT_NAME (BLOCK_FUNCTION (b)), stream); |
c906108c SS |
128 | fputs_filtered ("::", stream); |
129 | } | |
de5ad195 | 130 | fputs_filtered (SYMBOL_PRINT_NAME (exp->elts[pc + 2].symbol), stream); |
c906108c SS |
131 | } |
132 | return; | |
133 | ||
134 | case OP_LAST: | |
135 | (*pos) += 2; | |
136 | fprintf_filtered (stream, "$%d", | |
137 | longest_to_int (exp->elts[pc + 1].longconst)); | |
138 | return; | |
139 | ||
140 | case OP_REGISTER: | |
e36180d7 | 141 | { |
67f3407f DJ |
142 | const char *name = &exp->elts[pc + 2].string; |
143 | (*pos) += 3 + BYTES_TO_EXP_ELEM (exp->elts[pc + 1].longconst + 1); | |
eb8bc282 | 144 | fprintf_filtered (stream, "$%s", name); |
e36180d7 AC |
145 | return; |
146 | } | |
c906108c SS |
147 | |
148 | case OP_BOOL: | |
149 | (*pos) += 2; | |
150 | fprintf_filtered (stream, "%s", | |
151 | longest_to_int (exp->elts[pc + 1].longconst) | |
152 | ? "TRUE" : "FALSE"); | |
153 | return; | |
154 | ||
155 | case OP_INTERNALVAR: | |
156 | (*pos) += 2; | |
157 | fprintf_filtered (stream, "$%s", | |
c5aa993b | 158 | internalvar_name (exp->elts[pc + 1].internalvar)); |
c906108c SS |
159 | return; |
160 | ||
161 | case OP_FUNCALL: | |
162 | (*pos) += 2; | |
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++) | |
167 | { | |
168 | if (tem != 0) | |
169 | fputs_filtered (", ", stream); | |
170 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
171 | } | |
172 | fputs_filtered (")", stream); | |
173 | return; | |
174 | ||
175 | case OP_NAME: | |
c5aa993b | 176 | nargs = longest_to_int (exp->elts[pc + 1].longconst); |
c906108c SS |
177 | (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1); |
178 | fputs_filtered (&exp->elts[pc + 2].string, stream); | |
179 | return; | |
180 | ||
181 | case OP_STRING: | |
79a45b7d TT |
182 | { |
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); | |
6c7a06a3 TT |
190 | LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char, |
191 | &exp->elts[pc + 2].string, nargs, 0, &opts); | |
79a45b7d | 192 | } |
c906108c SS |
193 | return; |
194 | ||
195 | case OP_BITSTRING: | |
c5aa993b | 196 | nargs = longest_to_int (exp->elts[pc + 1].longconst); |
c906108c SS |
197 | (*pos) |
198 | += 3 + BYTES_TO_EXP_ELEM ((nargs + HOST_CHAR_BIT - 1) / HOST_CHAR_BIT); | |
199 | fprintf_unfiltered (stream, "B'<unimplemented>'"); | |
200 | return; | |
201 | ||
82eeeb94 | 202 | case OP_OBJC_NSSTRING: /* Objective-C Foundation Class NSString constant. */ |
79a45b7d TT |
203 | { |
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); | |
6c7a06a3 TT |
209 | LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char, |
210 | &exp->elts[pc + 2].string, nargs, 0, &opts); | |
79a45b7d TT |
211 | fputs_filtered ("\"", stream); |
212 | } | |
82eeeb94 AF |
213 | return; |
214 | ||
215 | case OP_OBJC_MSGCALL: | |
216 | { /* Objective C message (method) call. */ | |
217 | char *selector; | |
218 | (*pos) += 3; | |
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)) | |
224 | { | |
8a3fe4f8 | 225 | error (_("bad selector")); |
82eeeb94 AF |
226 | return; |
227 | } | |
228 | if (nargs) | |
229 | { | |
230 | char *s, *nextS; | |
231 | s = alloca (strlen (selector) + 1); | |
232 | strcpy (s, selector); | |
233 | for (tem = 0; tem < nargs; tem++) | |
234 | { | |
235 | nextS = strchr (s, ':'); | |
fcd776e5 | 236 | gdb_assert (nextS); /* Make sure we found ':'. */ |
82eeeb94 AF |
237 | *nextS = '\0'; |
238 | fprintf_unfiltered (stream, " %s: ", s); | |
239 | s = nextS + 1; | |
240 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
241 | } | |
242 | } | |
243 | else | |
244 | { | |
245 | fprintf_unfiltered (stream, " %s", selector); | |
246 | } | |
247 | fprintf_unfiltered (stream, "]"); | |
248 | /* "selector" was malloc'd by target_read_string. Free it. */ | |
4ef3f3be | 249 | xfree (selector); |
82eeeb94 AF |
250 | return; |
251 | } | |
252 | ||
c906108c SS |
253 | case OP_ARRAY: |
254 | (*pos) += 3; | |
255 | nargs = longest_to_int (exp->elts[pc + 2].longconst); | |
256 | nargs -= longest_to_int (exp->elts[pc + 1].longconst); | |
257 | nargs++; | |
258 | tem = 0; | |
259 | if (exp->elts[pc + 4].opcode == OP_LONG | |
b806fb9a UW |
260 | && exp->elts[pc + 5].type |
261 | == builtin_type (exp->gdbarch)->builtin_char | |
c906108c SS |
262 | && exp->language_defn->la_language == language_c) |
263 | { | |
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); | |
272 | pc += 4; | |
273 | while (tem < nargs) | |
274 | { | |
275 | if (exp->elts[pc].opcode != OP_LONG | |
b806fb9a UW |
276 | || exp->elts[pc + 1].type |
277 | != builtin_type (exp->gdbarch)->builtin_char) | |
c906108c SS |
278 | { |
279 | /* Not a simple array of char, use regular array printing. */ | |
280 | tem = 0; | |
281 | break; | |
282 | } | |
283 | else | |
284 | { | |
285 | tempstr[tem++] = | |
286 | longest_to_int (exp->elts[pc + 2].longconst); | |
287 | pc += 4; | |
288 | } | |
289 | } | |
290 | } | |
291 | if (tem > 0) | |
292 | { | |
79a45b7d TT |
293 | struct value_print_options opts; |
294 | get_user_print_options (&opts); | |
6c7a06a3 TT |
295 | LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char, |
296 | tempstr, nargs - 1, 0, &opts); | |
c906108c SS |
297 | (*pos) = pc; |
298 | } | |
299 | else | |
300 | { | |
db034ac5 | 301 | fputs_filtered (" {", stream); |
c906108c SS |
302 | for (tem = 0; tem < nargs; tem++) |
303 | { | |
304 | if (tem != 0) | |
305 | { | |
306 | fputs_filtered (", ", stream); | |
307 | } | |
308 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
309 | } | |
db034ac5 | 310 | fputs_filtered ("}", stream); |
c906108c SS |
311 | } |
312 | return; | |
313 | ||
314 | case OP_LABELED: | |
315 | tem = longest_to_int (exp->elts[pc + 1].longconst); | |
316 | (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1); | |
1b831c93 | 317 | /* Gcc support both these syntaxes. Unsure which is preferred. */ |
c906108c | 318 | #if 1 |
1b831c93 AC |
319 | fputs_filtered (&exp->elts[pc + 2].string, stream); |
320 | fputs_filtered (": ", stream); | |
c906108c | 321 | #else |
1b831c93 AC |
322 | fputs_filtered (".", stream); |
323 | fputs_filtered (&exp->elts[pc + 2].string, stream); | |
324 | fputs_filtered ("=", stream); | |
c906108c | 325 | #endif |
c906108c SS |
326 | print_subexp (exp, pos, stream, PREC_SUFFIX); |
327 | return; | |
328 | ||
329 | case TERNOP_COND: | |
330 | if ((int) prec > (int) PREC_COMMA) | |
331 | fputs_filtered ("(", stream); | |
332 | /* Print the subexpressions, forcing parentheses | |
c5aa993b JM |
333 | around any binary operations within them. |
334 | This is more parentheses than are strictly necessary, | |
335 | but it looks clearer. */ | |
c906108c SS |
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); | |
343 | return; | |
344 | ||
345 | case TERNOP_SLICE: | |
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); | |
353 | return; | |
354 | ||
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); | |
361 | return; | |
362 | ||
c5aa993b | 363 | /* Will not occur for Modula-2 */ |
c906108c SS |
364 | case STRUCTOP_PTR: |
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); | |
370 | return; | |
371 | ||
0534816d DJ |
372 | case STRUCTOP_MEMBER: |
373 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
374 | fputs_filtered (".*", stream); | |
375 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
376 | return; | |
377 | ||
378 | case STRUCTOP_MPTR: | |
379 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
380 | fputs_filtered ("->*", stream); | |
381 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
382 | return; | |
383 | ||
c906108c SS |
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); | |
389 | return; | |
390 | ||
391 | case UNOP_POSTINCREMENT: | |
392 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
393 | fputs_filtered ("++", stream); | |
394 | return; | |
395 | ||
396 | case UNOP_POSTDECREMENT: | |
397 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
398 | fputs_filtered ("--", stream); | |
399 | return; | |
400 | ||
401 | case UNOP_CAST: | |
402 | (*pos) += 2; | |
403 | if ((int) prec > (int) PREC_PREFIX) | |
c5aa993b | 404 | fputs_filtered ("(", stream); |
c906108c SS |
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) | |
c5aa993b | 410 | fputs_filtered (")", stream); |
c906108c SS |
411 | return; |
412 | ||
413 | case UNOP_MEMVAL: | |
414 | (*pos) += 2; | |
415 | if ((int) prec > (int) PREC_PREFIX) | |
c5aa993b | 416 | fputs_filtered ("(", stream); |
905e0470 PM |
417 | if (TYPE_CODE (exp->elts[pc + 1].type) == TYPE_CODE_FUNC |
418 | && exp->elts[pc + 3].opcode == OP_LONG) | |
c5aa993b | 419 | { |
79a45b7d TT |
420 | struct value_print_options opts; |
421 | ||
c5aa993b JM |
422 | /* We have a minimal symbol fn, probably. It's encoded |
423 | as a UNOP_MEMVAL (function-type) of an OP_LONG (int, address). | |
424 | Swallow the OP_LONG (including both its opcodes); ignore | |
425 | its type; print the value in the type of the MEMVAL. */ | |
426 | (*pos) += 4; | |
427 | val = value_at_lazy (exp->elts[pc + 1].type, | |
00a4c844 | 428 | (CORE_ADDR) exp->elts[pc + 5].longconst); |
79a45b7d TT |
429 | get_raw_print_options (&opts); |
430 | value_print (val, stream, &opts); | |
c5aa993b JM |
431 | } |
432 | else | |
433 | { | |
434 | fputs_filtered ("{", stream); | |
435 | type_print (exp->elts[pc + 1].type, "", stream, 0); | |
436 | fputs_filtered ("} ", stream); | |
437 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
438 | } | |
c906108c | 439 | if ((int) prec > (int) PREC_PREFIX) |
c5aa993b | 440 | fputs_filtered (")", stream); |
c906108c SS |
441 | return; |
442 | ||
9e35dae4 DJ |
443 | case UNOP_MEMVAL_TLS: |
444 | (*pos) += 3; | |
445 | if ((int) prec > (int) PREC_PREFIX) | |
446 | fputs_filtered ("(", stream); | |
447 | fputs_filtered ("{", stream); | |
448 | type_print (exp->elts[pc + 2].type, "", stream, 0); | |
449 | fputs_filtered ("} ", stream); | |
450 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
451 | if ((int) prec > (int) PREC_PREFIX) | |
452 | fputs_filtered (")", stream); | |
453 | return; | |
454 | ||
c906108c SS |
455 | case BINOP_ASSIGN_MODIFY: |
456 | opcode = exp->elts[pc + 1].opcode; | |
457 | (*pos) += 2; | |
458 | myprec = PREC_ASSIGN; | |
459 | assoc = 1; | |
460 | assign_modify = 1; | |
461 | op_str = "???"; | |
462 | for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++) | |
463 | if (op_print_tab[tem].opcode == opcode) | |
464 | { | |
465 | op_str = op_print_tab[tem].string; | |
466 | break; | |
467 | } | |
468 | if (op_print_tab[tem].opcode != opcode) | |
469 | /* Not found; don't try to keep going because we don't know how | |
470 | to interpret further elements. */ | |
8a3fe4f8 | 471 | error (_("Invalid expression")); |
c906108c SS |
472 | break; |
473 | ||
c5aa993b | 474 | /* C++ ops */ |
c906108c SS |
475 | |
476 | case OP_THIS: | |
477 | ++(*pos); | |
478 | fputs_filtered ("this", stream); | |
479 | return; | |
480 | ||
82eeeb94 AF |
481 | /* Objective-C ops */ |
482 | ||
483 | case OP_OBJC_SELF: | |
484 | ++(*pos); | |
485 | fputs_filtered ("self", stream); /* The ObjC equivalent of "this". */ | |
486 | return; | |
487 | ||
c5aa993b | 488 | /* Modula-2 ops */ |
c906108c SS |
489 | |
490 | case MULTI_SUBSCRIPT: | |
491 | (*pos) += 2; | |
492 | nargs = longest_to_int (exp->elts[pc + 1].longconst); | |
493 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
494 | fprintf_unfiltered (stream, " ["); | |
495 | for (tem = 0; tem < nargs; tem++) | |
496 | { | |
497 | if (tem != 0) | |
498 | fprintf_unfiltered (stream, ", "); | |
499 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
500 | } | |
501 | fprintf_unfiltered (stream, "]"); | |
502 | return; | |
503 | ||
504 | case BINOP_VAL: | |
c5aa993b JM |
505 | (*pos) += 2; |
506 | fprintf_unfiltered (stream, "VAL("); | |
507 | type_print (exp->elts[pc + 1].type, "", stream, 0); | |
508 | fprintf_unfiltered (stream, ","); | |
509 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
510 | fprintf_unfiltered (stream, ")"); | |
c906108c | 511 | return; |
c5aa993b | 512 | |
c906108c SS |
513 | case BINOP_INCL: |
514 | case BINOP_EXCL: | |
8a3fe4f8 | 515 | error (_("print_subexp: Not implemented.")); |
c906108c | 516 | |
c5aa993b | 517 | /* Default ops */ |
c906108c SS |
518 | |
519 | default: | |
520 | op_str = "???"; | |
521 | for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++) | |
522 | if (op_print_tab[tem].opcode == opcode) | |
523 | { | |
524 | op_str = op_print_tab[tem].string; | |
525 | myprec = op_print_tab[tem].precedence; | |
526 | assoc = op_print_tab[tem].right_assoc; | |
527 | break; | |
528 | } | |
529 | if (op_print_tab[tem].opcode != opcode) | |
530 | /* Not found; don't try to keep going because we don't know how | |
531 | to interpret further elements. For example, this happens | |
532 | if opcode is OP_TYPE. */ | |
8a3fe4f8 | 533 | error (_("Invalid expression")); |
c5aa993b | 534 | } |
c906108c SS |
535 | |
536 | /* Note that PREC_BUILTIN will always emit parentheses. */ | |
537 | if ((int) myprec < (int) prec) | |
538 | fputs_filtered ("(", stream); | |
539 | if ((int) opcode > (int) BINOP_END) | |
540 | { | |
541 | if (assoc) | |
542 | { | |
543 | /* Unary postfix operator. */ | |
544 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
545 | fputs_filtered (op_str, stream); | |
546 | } | |
547 | else | |
548 | { | |
549 | /* Unary prefix operator. */ | |
550 | fputs_filtered (op_str, stream); | |
551 | if (myprec == PREC_BUILTIN_FUNCTION) | |
552 | fputs_filtered ("(", stream); | |
553 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
554 | if (myprec == PREC_BUILTIN_FUNCTION) | |
555 | fputs_filtered (")", stream); | |
556 | } | |
557 | } | |
558 | else | |
559 | { | |
560 | /* Binary operator. */ | |
561 | /* Print left operand. | |
c5aa993b JM |
562 | If operator is right-associative, |
563 | increment precedence for this operand. */ | |
c906108c SS |
564 | print_subexp (exp, pos, stream, |
565 | (enum precedence) ((int) myprec + assoc)); | |
566 | /* Print the operator itself. */ | |
567 | if (assign_modify) | |
568 | fprintf_filtered (stream, " %s= ", op_str); | |
569 | else if (op_str[0] == ',') | |
570 | fprintf_filtered (stream, "%s ", op_str); | |
571 | else | |
572 | fprintf_filtered (stream, " %s ", op_str); | |
573 | /* Print right operand. | |
c5aa993b JM |
574 | If operator is left-associative, |
575 | increment precedence for this operand. */ | |
c906108c SS |
576 | print_subexp (exp, pos, stream, |
577 | (enum precedence) ((int) myprec + !assoc)); | |
578 | } | |
579 | ||
580 | if ((int) myprec < (int) prec) | |
581 | fputs_filtered (")", stream); | |
582 | } | |
583 | ||
584 | /* Return the operator corresponding to opcode OP as | |
585 | a string. NULL indicates that the opcode was not found in the | |
586 | current language table. */ | |
587 | char * | |
fba45db2 | 588 | op_string (enum exp_opcode op) |
c906108c SS |
589 | { |
590 | int tem; | |
f86f5ca3 | 591 | const struct op_print *op_print_tab; |
c906108c SS |
592 | |
593 | op_print_tab = current_language->la_op_print_tab; | |
594 | for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++) | |
595 | if (op_print_tab[tem].opcode == op) | |
596 | return op_print_tab[tem].string; | |
597 | return NULL; | |
598 | } | |
599 | ||
c906108c SS |
600 | /* Support for dumping the raw data from expressions in a human readable |
601 | form. */ | |
602 | ||
5f9769d1 | 603 | static char *op_name (struct expression *, enum exp_opcode); |
24daaebc | 604 | static int dump_subexp_body (struct expression *exp, struct ui_file *, int); |
c906108c | 605 | |
5f9769d1 PH |
606 | /* Name for OPCODE, when it appears in expression EXP. */ |
607 | ||
c906108c | 608 | static char * |
5f9769d1 PH |
609 | op_name (struct expression *exp, enum exp_opcode opcode) |
610 | { | |
611 | return exp->language_defn->la_exp_desc->op_name (opcode); | |
612 | } | |
613 | ||
614 | /* Default name for the standard operator OPCODE (i.e., one defined in | |
615 | the definition of enum exp_opcode). */ | |
616 | ||
617 | char * | |
618 | op_name_standard (enum exp_opcode opcode) | |
c906108c SS |
619 | { |
620 | switch (opcode) | |
621 | { | |
622 | default: | |
623 | { | |
624 | static char buf[30]; | |
625 | ||
626 | sprintf (buf, "<unknown %d>", opcode); | |
627 | return buf; | |
628 | } | |
c5aa993b JM |
629 | case OP_NULL: |
630 | return "OP_NULL"; | |
631 | case BINOP_ADD: | |
632 | return "BINOP_ADD"; | |
633 | case BINOP_SUB: | |
634 | return "BINOP_SUB"; | |
635 | case BINOP_MUL: | |
636 | return "BINOP_MUL"; | |
637 | case BINOP_DIV: | |
638 | return "BINOP_DIV"; | |
639 | case BINOP_REM: | |
640 | return "BINOP_REM"; | |
641 | case BINOP_MOD: | |
642 | return "BINOP_MOD"; | |
643 | case BINOP_LSH: | |
644 | return "BINOP_LSH"; | |
645 | case BINOP_RSH: | |
646 | return "BINOP_RSH"; | |
647 | case BINOP_LOGICAL_AND: | |
648 | return "BINOP_LOGICAL_AND"; | |
649 | case BINOP_LOGICAL_OR: | |
650 | return "BINOP_LOGICAL_OR"; | |
651 | case BINOP_BITWISE_AND: | |
652 | return "BINOP_BITWISE_AND"; | |
653 | case BINOP_BITWISE_IOR: | |
654 | return "BINOP_BITWISE_IOR"; | |
655 | case BINOP_BITWISE_XOR: | |
656 | return "BINOP_BITWISE_XOR"; | |
657 | case BINOP_EQUAL: | |
658 | return "BINOP_EQUAL"; | |
659 | case BINOP_NOTEQUAL: | |
660 | return "BINOP_NOTEQUAL"; | |
661 | case BINOP_LESS: | |
662 | return "BINOP_LESS"; | |
663 | case BINOP_GTR: | |
664 | return "BINOP_GTR"; | |
665 | case BINOP_LEQ: | |
666 | return "BINOP_LEQ"; | |
667 | case BINOP_GEQ: | |
668 | return "BINOP_GEQ"; | |
669 | case BINOP_REPEAT: | |
670 | return "BINOP_REPEAT"; | |
671 | case BINOP_ASSIGN: | |
672 | return "BINOP_ASSIGN"; | |
673 | case BINOP_COMMA: | |
674 | return "BINOP_COMMA"; | |
675 | case BINOP_SUBSCRIPT: | |
676 | return "BINOP_SUBSCRIPT"; | |
677 | case MULTI_SUBSCRIPT: | |
678 | return "MULTI_SUBSCRIPT"; | |
679 | case BINOP_EXP: | |
680 | return "BINOP_EXP"; | |
681 | case BINOP_MIN: | |
682 | return "BINOP_MIN"; | |
683 | case BINOP_MAX: | |
684 | return "BINOP_MAX"; | |
c5aa993b JM |
685 | case STRUCTOP_MEMBER: |
686 | return "STRUCTOP_MEMBER"; | |
687 | case STRUCTOP_MPTR: | |
688 | return "STRUCTOP_MPTR"; | |
689 | case BINOP_INTDIV: | |
690 | return "BINOP_INTDIV"; | |
691 | case BINOP_ASSIGN_MODIFY: | |
692 | return "BINOP_ASSIGN_MODIFY"; | |
693 | case BINOP_VAL: | |
694 | return "BINOP_VAL"; | |
695 | case BINOP_INCL: | |
696 | return "BINOP_INCL"; | |
697 | case BINOP_EXCL: | |
698 | return "BINOP_EXCL"; | |
699 | case BINOP_CONCAT: | |
700 | return "BINOP_CONCAT"; | |
701 | case BINOP_RANGE: | |
702 | return "BINOP_RANGE"; | |
703 | case BINOP_END: | |
704 | return "BINOP_END"; | |
705 | case TERNOP_COND: | |
706 | return "TERNOP_COND"; | |
707 | case TERNOP_SLICE: | |
708 | return "TERNOP_SLICE"; | |
709 | case TERNOP_SLICE_COUNT: | |
710 | return "TERNOP_SLICE_COUNT"; | |
711 | case OP_LONG: | |
712 | return "OP_LONG"; | |
713 | case OP_DOUBLE: | |
714 | return "OP_DOUBLE"; | |
715 | case OP_VAR_VALUE: | |
716 | return "OP_VAR_VALUE"; | |
717 | case OP_LAST: | |
718 | return "OP_LAST"; | |
719 | case OP_REGISTER: | |
720 | return "OP_REGISTER"; | |
721 | case OP_INTERNALVAR: | |
722 | return "OP_INTERNALVAR"; | |
723 | case OP_FUNCALL: | |
724 | return "OP_FUNCALL"; | |
725 | case OP_STRING: | |
726 | return "OP_STRING"; | |
727 | case OP_BITSTRING: | |
728 | return "OP_BITSTRING"; | |
729 | case OP_ARRAY: | |
730 | return "OP_ARRAY"; | |
731 | case UNOP_CAST: | |
732 | return "UNOP_CAST"; | |
733 | case UNOP_MEMVAL: | |
734 | return "UNOP_MEMVAL"; | |
9e35dae4 DJ |
735 | case UNOP_MEMVAL_TLS: |
736 | return "UNOP_MEMVAL_TLS"; | |
c5aa993b JM |
737 | case UNOP_NEG: |
738 | return "UNOP_NEG"; | |
739 | case UNOP_LOGICAL_NOT: | |
740 | return "UNOP_LOGICAL_NOT"; | |
741 | case UNOP_COMPLEMENT: | |
742 | return "UNOP_COMPLEMENT"; | |
743 | case UNOP_IND: | |
744 | return "UNOP_IND"; | |
745 | case UNOP_ADDR: | |
746 | return "UNOP_ADDR"; | |
747 | case UNOP_PREINCREMENT: | |
748 | return "UNOP_PREINCREMENT"; | |
749 | case UNOP_POSTINCREMENT: | |
750 | return "UNOP_POSTINCREMENT"; | |
751 | case UNOP_PREDECREMENT: | |
752 | return "UNOP_PREDECREMENT"; | |
753 | case UNOP_POSTDECREMENT: | |
754 | return "UNOP_POSTDECREMENT"; | |
755 | case UNOP_SIZEOF: | |
756 | return "UNOP_SIZEOF"; | |
757 | case UNOP_LOWER: | |
758 | return "UNOP_LOWER"; | |
759 | case UNOP_UPPER: | |
760 | return "UNOP_UPPER"; | |
761 | case UNOP_LENGTH: | |
762 | return "UNOP_LENGTH"; | |
763 | case UNOP_PLUS: | |
764 | return "UNOP_PLUS"; | |
765 | case UNOP_CAP: | |
766 | return "UNOP_CAP"; | |
767 | case UNOP_CHR: | |
768 | return "UNOP_CHR"; | |
769 | case UNOP_ORD: | |
770 | return "UNOP_ORD"; | |
771 | case UNOP_ABS: | |
772 | return "UNOP_ABS"; | |
773 | case UNOP_FLOAT: | |
774 | return "UNOP_FLOAT"; | |
775 | case UNOP_HIGH: | |
776 | return "UNOP_HIGH"; | |
777 | case UNOP_MAX: | |
778 | return "UNOP_MAX"; | |
779 | case UNOP_MIN: | |
780 | return "UNOP_MIN"; | |
781 | case UNOP_ODD: | |
782 | return "UNOP_ODD"; | |
783 | case UNOP_TRUNC: | |
784 | return "UNOP_TRUNC"; | |
785 | case OP_BOOL: | |
786 | return "OP_BOOL"; | |
787 | case OP_M2_STRING: | |
788 | return "OP_M2_STRING"; | |
789 | case STRUCTOP_STRUCT: | |
790 | return "STRUCTOP_STRUCT"; | |
791 | case STRUCTOP_PTR: | |
792 | return "STRUCTOP_PTR"; | |
793 | case OP_THIS: | |
794 | return "OP_THIS"; | |
82eeeb94 AF |
795 | case OP_OBJC_SELF: |
796 | return "OP_OBJC_SELF"; | |
c5aa993b JM |
797 | case OP_SCOPE: |
798 | return "OP_SCOPE"; | |
799 | case OP_TYPE: | |
800 | return "OP_TYPE"; | |
801 | case OP_LABELED: | |
802 | return "OP_LABELED"; | |
c906108c SS |
803 | } |
804 | } | |
805 | ||
a411cd0e DE |
806 | /* Print a raw dump of expression EXP to STREAM. |
807 | NOTE, if non-NULL, is printed as extra explanatory text. */ | |
808 | ||
c906108c | 809 | void |
24daaebc PH |
810 | dump_raw_expression (struct expression *exp, struct ui_file *stream, |
811 | char *note) | |
c906108c SS |
812 | { |
813 | int elt; | |
814 | char *opcode_name; | |
815 | char *eltscan; | |
816 | int eltsize; | |
817 | ||
818 | fprintf_filtered (stream, "Dump of expression @ "); | |
d4f3574e | 819 | gdb_print_host_address (exp, stream); |
a411cd0e DE |
820 | if (note) |
821 | fprintf_filtered (stream, ", %s:", note); | |
822 | fprintf_filtered (stream, "\n\tLanguage %s, %d elements, %ld bytes each.\n", | |
c5aa993b | 823 | exp->language_defn->la_name, exp->nelts, |
9d271fd8 | 824 | (long) sizeof (union exp_element)); |
c906108c SS |
825 | fprintf_filtered (stream, "\t%5s %20s %16s %s\n", "Index", "Opcode", |
826 | "Hex Value", "String Value"); | |
c5aa993b | 827 | for (elt = 0; elt < exp->nelts; elt++) |
c906108c SS |
828 | { |
829 | fprintf_filtered (stream, "\t%5d ", elt); | |
5f9769d1 | 830 | opcode_name = op_name (exp, exp->elts[elt].opcode); |
c906108c SS |
831 | |
832 | fprintf_filtered (stream, "%20s ", opcode_name); | |
c5aa993b | 833 | print_longest (stream, 'd', 0, exp->elts[elt].longconst); |
c906108c SS |
834 | fprintf_filtered (stream, " "); |
835 | ||
836 | for (eltscan = (char *) &exp->elts[elt], | |
c5aa993b | 837 | eltsize = sizeof (union exp_element); |
c906108c SS |
838 | eltsize-- > 0; |
839 | eltscan++) | |
840 | { | |
841 | fprintf_filtered (stream, "%c", | |
842 | isprint (*eltscan) ? (*eltscan & 0xFF) : '.'); | |
843 | } | |
844 | fprintf_filtered (stream, "\n"); | |
845 | } | |
846 | } | |
847 | ||
24daaebc PH |
848 | /* Dump the subexpression of prefix expression EXP whose operator is at |
849 | position ELT onto STREAM. Returns the position of the next | |
850 | subexpression in EXP. */ | |
c906108c | 851 | |
24daaebc | 852 | int |
fba45db2 | 853 | dump_subexp (struct expression *exp, struct ui_file *stream, int elt) |
c906108c SS |
854 | { |
855 | static int indent = 0; | |
856 | int i; | |
857 | ||
858 | fprintf_filtered (stream, "\n"); | |
859 | fprintf_filtered (stream, "\t%5d ", elt); | |
860 | ||
861 | for (i = 1; i <= indent; i++) | |
862 | fprintf_filtered (stream, " "); | |
863 | indent += 2; | |
864 | ||
5f9769d1 | 865 | fprintf_filtered (stream, "%-20s ", op_name (exp, exp->elts[elt].opcode)); |
c906108c | 866 | |
24daaebc PH |
867 | elt = dump_subexp_body (exp, stream, elt); |
868 | ||
869 | indent -= 2; | |
870 | ||
871 | return elt; | |
872 | } | |
873 | ||
874 | /* Dump the operands of prefix expression EXP whose opcode is at | |
875 | position ELT onto STREAM. Returns the position of the next | |
876 | subexpression in EXP. */ | |
877 | ||
878 | static int | |
879 | dump_subexp_body (struct expression *exp, struct ui_file *stream, int elt) | |
5f9769d1 PH |
880 | { |
881 | return exp->language_defn->la_exp_desc->dump_subexp_body (exp, stream, elt); | |
882 | } | |
883 | ||
884 | /* Default value for subexp_body in exp_descriptor vector. */ | |
885 | ||
886 | int | |
887 | dump_subexp_body_standard (struct expression *exp, | |
888 | struct ui_file *stream, int elt) | |
24daaebc PH |
889 | { |
890 | int opcode = exp->elts[elt++].opcode; | |
891 | ||
892 | switch (opcode) | |
c906108c SS |
893 | { |
894 | case TERNOP_COND: | |
895 | case TERNOP_SLICE: | |
896 | case TERNOP_SLICE_COUNT: | |
897 | elt = dump_subexp (exp, stream, elt); | |
898 | case BINOP_ADD: | |
899 | case BINOP_SUB: | |
900 | case BINOP_MUL: | |
901 | case BINOP_DIV: | |
902 | case BINOP_REM: | |
903 | case BINOP_MOD: | |
904 | case BINOP_LSH: | |
905 | case BINOP_RSH: | |
906 | case BINOP_LOGICAL_AND: | |
907 | case BINOP_LOGICAL_OR: | |
908 | case BINOP_BITWISE_AND: | |
909 | case BINOP_BITWISE_IOR: | |
910 | case BINOP_BITWISE_XOR: | |
911 | case BINOP_EQUAL: | |
912 | case BINOP_NOTEQUAL: | |
913 | case BINOP_LESS: | |
914 | case BINOP_GTR: | |
915 | case BINOP_LEQ: | |
916 | case BINOP_GEQ: | |
917 | case BINOP_REPEAT: | |
918 | case BINOP_ASSIGN: | |
919 | case BINOP_COMMA: | |
920 | case BINOP_SUBSCRIPT: | |
921 | case BINOP_EXP: | |
922 | case BINOP_MIN: | |
923 | case BINOP_MAX: | |
c906108c SS |
924 | case BINOP_INTDIV: |
925 | case BINOP_ASSIGN_MODIFY: | |
926 | case BINOP_VAL: | |
927 | case BINOP_INCL: | |
928 | case BINOP_EXCL: | |
929 | case BINOP_CONCAT: | |
930 | case BINOP_IN: | |
931 | case BINOP_RANGE: | |
932 | case BINOP_END: | |
0534816d DJ |
933 | case STRUCTOP_MEMBER: |
934 | case STRUCTOP_MPTR: | |
c906108c SS |
935 | elt = dump_subexp (exp, stream, elt); |
936 | case UNOP_NEG: | |
937 | case UNOP_LOGICAL_NOT: | |
938 | case UNOP_COMPLEMENT: | |
939 | case UNOP_IND: | |
940 | case UNOP_ADDR: | |
941 | case UNOP_PREINCREMENT: | |
942 | case UNOP_POSTINCREMENT: | |
943 | case UNOP_PREDECREMENT: | |
944 | case UNOP_POSTDECREMENT: | |
945 | case UNOP_SIZEOF: | |
946 | case UNOP_PLUS: | |
947 | case UNOP_CAP: | |
948 | case UNOP_CHR: | |
949 | case UNOP_ORD: | |
950 | case UNOP_ABS: | |
951 | case UNOP_FLOAT: | |
952 | case UNOP_HIGH: | |
953 | case UNOP_MAX: | |
954 | case UNOP_MIN: | |
955 | case UNOP_ODD: | |
956 | case UNOP_TRUNC: | |
957 | case UNOP_LOWER: | |
958 | case UNOP_UPPER: | |
959 | case UNOP_LENGTH: | |
960 | case UNOP_CARD: | |
961 | case UNOP_CHMAX: | |
962 | case UNOP_CHMIN: | |
963 | elt = dump_subexp (exp, stream, elt); | |
964 | break; | |
965 | case OP_LONG: | |
d4f3574e SS |
966 | fprintf_filtered (stream, "Type @"); |
967 | gdb_print_host_address (exp->elts[elt].type, stream); | |
968 | fprintf_filtered (stream, " ("); | |
c906108c SS |
969 | type_print (exp->elts[elt].type, NULL, stream, 0); |
970 | fprintf_filtered (stream, "), value %ld (0x%lx)", | |
c5aa993b JM |
971 | (long) exp->elts[elt + 1].longconst, |
972 | (long) exp->elts[elt + 1].longconst); | |
c906108c SS |
973 | elt += 3; |
974 | break; | |
975 | case OP_DOUBLE: | |
d4f3574e SS |
976 | fprintf_filtered (stream, "Type @"); |
977 | gdb_print_host_address (exp->elts[elt].type, stream); | |
978 | fprintf_filtered (stream, " ("); | |
c906108c SS |
979 | type_print (exp->elts[elt].type, NULL, stream, 0); |
980 | fprintf_filtered (stream, "), value %g", | |
c5aa993b | 981 | (double) exp->elts[elt + 1].doubleconst); |
c906108c SS |
982 | elt += 3; |
983 | break; | |
984 | case OP_VAR_VALUE: | |
d4f3574e SS |
985 | fprintf_filtered (stream, "Block @"); |
986 | gdb_print_host_address (exp->elts[elt].block, stream); | |
987 | fprintf_filtered (stream, ", symbol @"); | |
988 | gdb_print_host_address (exp->elts[elt + 1].symbol, stream); | |
989 | fprintf_filtered (stream, " (%s)", | |
3567439c | 990 | SYMBOL_PRINT_NAME (exp->elts[elt + 1].symbol)); |
c906108c SS |
991 | elt += 3; |
992 | break; | |
993 | case OP_LAST: | |
994 | fprintf_filtered (stream, "History element %ld", | |
c5aa993b | 995 | (long) exp->elts[elt].longconst); |
c906108c SS |
996 | elt += 2; |
997 | break; | |
998 | case OP_REGISTER: | |
67f3407f DJ |
999 | fprintf_filtered (stream, "Register $%s", &exp->elts[elt + 1].string); |
1000 | elt += 3 + BYTES_TO_EXP_ELEM (exp->elts[elt].longconst + 1); | |
c906108c SS |
1001 | break; |
1002 | case OP_INTERNALVAR: | |
d4f3574e SS |
1003 | fprintf_filtered (stream, "Internal var @"); |
1004 | gdb_print_host_address (exp->elts[elt].internalvar, stream); | |
1005 | fprintf_filtered (stream, " (%s)", | |
4fa62494 | 1006 | internalvar_name (exp->elts[elt].internalvar)); |
c906108c SS |
1007 | elt += 2; |
1008 | break; | |
1009 | case OP_FUNCALL: | |
1010 | { | |
24daaebc | 1011 | int i, nargs; |
c906108c SS |
1012 | |
1013 | nargs = longest_to_int (exp->elts[elt].longconst); | |
1014 | ||
1015 | fprintf_filtered (stream, "Number of args: %d", nargs); | |
1016 | elt += 2; | |
1017 | ||
1018 | for (i = 1; i <= nargs + 1; i++) | |
1019 | elt = dump_subexp (exp, stream, elt); | |
1020 | } | |
1021 | break; | |
1022 | case OP_ARRAY: | |
1023 | { | |
1024 | int lower, upper; | |
1025 | int i; | |
1026 | ||
1027 | lower = longest_to_int (exp->elts[elt].longconst); | |
1028 | upper = longest_to_int (exp->elts[elt + 1].longconst); | |
1029 | ||
1030 | fprintf_filtered (stream, "Bounds [%d:%d]", lower, upper); | |
1031 | elt += 3; | |
1032 | ||
1033 | for (i = 1; i <= upper - lower + 1; i++) | |
1034 | elt = dump_subexp (exp, stream, elt); | |
1035 | } | |
1036 | break; | |
1037 | case UNOP_MEMVAL: | |
1038 | case UNOP_CAST: | |
d4f3574e SS |
1039 | fprintf_filtered (stream, "Type @"); |
1040 | gdb_print_host_address (exp->elts[elt].type, stream); | |
1041 | fprintf_filtered (stream, " ("); | |
c906108c SS |
1042 | type_print (exp->elts[elt].type, NULL, stream, 0); |
1043 | fprintf_filtered (stream, ")"); | |
1044 | elt = dump_subexp (exp, stream, elt + 2); | |
1045 | break; | |
9e35dae4 DJ |
1046 | case UNOP_MEMVAL_TLS: |
1047 | fprintf_filtered (stream, "TLS type @"); | |
1048 | gdb_print_host_address (exp->elts[elt + 1].type, stream); | |
1049 | fprintf_filtered (stream, " (__thread /* \"%s\" */ ", | |
1050 | (exp->elts[elt].objfile == NULL ? "(null)" | |
1051 | : exp->elts[elt].objfile->name)); | |
1052 | type_print (exp->elts[elt + 1].type, NULL, stream, 0); | |
1053 | fprintf_filtered (stream, ")"); | |
1054 | elt = dump_subexp (exp, stream, elt + 3); | |
1055 | break; | |
c906108c | 1056 | case OP_TYPE: |
d4f3574e SS |
1057 | fprintf_filtered (stream, "Type @"); |
1058 | gdb_print_host_address (exp->elts[elt].type, stream); | |
1059 | fprintf_filtered (stream, " ("); | |
c906108c SS |
1060 | type_print (exp->elts[elt].type, NULL, stream, 0); |
1061 | fprintf_filtered (stream, ")"); | |
1062 | elt += 2; | |
1063 | break; | |
1064 | case STRUCTOP_STRUCT: | |
1065 | case STRUCTOP_PTR: | |
1066 | { | |
1067 | char *elem_name; | |
1068 | int len; | |
1069 | ||
1070 | len = longest_to_int (exp->elts[elt].longconst); | |
1071 | elem_name = &exp->elts[elt + 1].string; | |
1072 | ||
1073 | fprintf_filtered (stream, "Element name: `%.*s'", len, elem_name); | |
1074 | elt = dump_subexp (exp, stream, elt + 3 + BYTES_TO_EXP_ELEM (len + 1)); | |
1075 | } | |
1076 | break; | |
1077 | case OP_SCOPE: | |
1078 | { | |
1079 | char *elem_name; | |
1080 | int len; | |
1081 | ||
d4f3574e SS |
1082 | fprintf_filtered (stream, "Type @"); |
1083 | gdb_print_host_address (exp->elts[elt].type, stream); | |
1084 | fprintf_filtered (stream, " ("); | |
c906108c SS |
1085 | type_print (exp->elts[elt].type, NULL, stream, 0); |
1086 | fprintf_filtered (stream, ") "); | |
1087 | ||
1088 | len = longest_to_int (exp->elts[elt + 1].longconst); | |
1089 | elem_name = &exp->elts[elt + 2].string; | |
1090 | ||
1091 | fprintf_filtered (stream, "Field name: `%.*s'", len, elem_name); | |
1092 | elt += 4 + BYTES_TO_EXP_ELEM (len + 1); | |
1093 | } | |
1094 | break; | |
1095 | default: | |
1096 | case OP_NULL: | |
c906108c SS |
1097 | case MULTI_SUBSCRIPT: |
1098 | case OP_F77_UNDETERMINED_ARGLIST: | |
1099 | case OP_COMPLEX: | |
1100 | case OP_STRING: | |
1101 | case OP_BITSTRING: | |
1102 | case OP_BOOL: | |
1103 | case OP_M2_STRING: | |
1104 | case OP_THIS: | |
1105 | case OP_LABELED: | |
1106 | case OP_NAME: | |
c906108c SS |
1107 | fprintf_filtered (stream, "Unknown format"); |
1108 | } | |
1109 | ||
c906108c SS |
1110 | return elt; |
1111 | } | |
1112 | ||
1113 | void | |
24daaebc | 1114 | dump_prefix_expression (struct expression *exp, struct ui_file *stream) |
c906108c SS |
1115 | { |
1116 | int elt; | |
1117 | ||
1118 | fprintf_filtered (stream, "Dump of expression @ "); | |
d4f3574e | 1119 | gdb_print_host_address (exp, stream); |
24daaebc | 1120 | fputs_filtered (", after conversion to prefix form:\nExpression: `", stream); |
c906108c SS |
1121 | if (exp->elts[0].opcode != OP_TYPE) |
1122 | print_expression (exp, stream); | |
1123 | else | |
1124 | fputs_filtered ("Type printing not yet supported....", stream); | |
9d271fd8 | 1125 | fprintf_filtered (stream, "'\n\tLanguage %s, %d elements, %ld bytes each.\n", |
c5aa993b | 1126 | exp->language_defn->la_name, exp->nelts, |
9d271fd8 | 1127 | (long) sizeof (union exp_element)); |
c906108c SS |
1128 | fputs_filtered ("\n", stream); |
1129 | ||
c5aa993b | 1130 | for (elt = 0; elt < exp->nelts;) |
c906108c SS |
1131 | elt = dump_subexp (exp, stream, elt); |
1132 | fputs_filtered ("\n", stream); | |
1133 | } |