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; | |
d7f9d729 | 45 | |
c906108c SS |
46 | print_subexp (exp, &pc, stream, PREC_NULL); |
47 | } | |
48 | ||
49 | /* Print the subexpression of EXP that starts in position POS, on STREAM. | |
50 | PREC is the precedence of the surrounding operator; | |
51 | if the precedence of the main operator of this subexpression is less, | |
52 | parentheses are needed here. */ | |
53 | ||
5f9769d1 | 54 | void |
f86f5ca3 | 55 | print_subexp (struct expression *exp, int *pos, |
fba45db2 | 56 | struct ui_file *stream, enum precedence prec) |
5f9769d1 PH |
57 | { |
58 | exp->language_defn->la_exp_desc->print_subexp (exp, pos, stream, prec); | |
59 | } | |
60 | ||
61 | /* Standard implementation of print_subexp for use in language_defn | |
62 | vectors. */ | |
63 | void | |
64 | print_subexp_standard (struct expression *exp, int *pos, | |
65 | struct ui_file *stream, enum precedence prec) | |
c906108c | 66 | { |
f86f5ca3 PH |
67 | unsigned tem; |
68 | const struct op_print *op_print_tab; | |
69 | int pc; | |
c906108c | 70 | unsigned nargs; |
f86f5ca3 | 71 | char *op_str; |
c906108c SS |
72 | int assign_modify = 0; |
73 | enum exp_opcode opcode; | |
74 | enum precedence myprec = PREC_NULL; | |
75 | /* Set to 1 for a right-associative operator. */ | |
76 | int assoc = 0; | |
3d6d86c6 | 77 | struct value *val; |
c906108c SS |
78 | char *tempstr = NULL; |
79 | ||
80 | op_print_tab = exp->language_defn->la_op_print_tab; | |
81 | pc = (*pos)++; | |
82 | opcode = exp->elts[pc].opcode; | |
83 | switch (opcode) | |
84 | { | |
c5aa993b | 85 | /* Common ops */ |
c906108c SS |
86 | |
87 | case OP_SCOPE: | |
88 | myprec = PREC_PREFIX; | |
89 | assoc = 0; | |
90 | fputs_filtered (type_name_no_tag (exp->elts[pc + 1].type), stream); | |
91 | fputs_filtered ("::", stream); | |
92 | nargs = longest_to_int (exp->elts[pc + 2].longconst); | |
93 | (*pos) += 4 + BYTES_TO_EXP_ELEM (nargs + 1); | |
94 | fputs_filtered (&exp->elts[pc + 3].string, stream); | |
95 | return; | |
96 | ||
97 | case OP_LONG: | |
79a45b7d TT |
98 | { |
99 | struct value_print_options opts; | |
d7f9d729 | 100 | |
79a45b7d TT |
101 | get_raw_print_options (&opts); |
102 | (*pos) += 3; | |
103 | value_print (value_from_longest (exp->elts[pc + 1].type, | |
104 | exp->elts[pc + 2].longconst), | |
105 | stream, &opts); | |
106 | } | |
c906108c SS |
107 | return; |
108 | ||
109 | case OP_DOUBLE: | |
79a45b7d TT |
110 | { |
111 | struct value_print_options opts; | |
d7f9d729 | 112 | |
79a45b7d TT |
113 | get_raw_print_options (&opts); |
114 | (*pos) += 3; | |
115 | value_print (value_from_double (exp->elts[pc + 1].type, | |
116 | exp->elts[pc + 2].doubleconst), | |
117 | stream, &opts); | |
118 | } | |
c906108c SS |
119 | return; |
120 | ||
121 | case OP_VAR_VALUE: | |
122 | { | |
123 | struct block *b; | |
d7f9d729 | 124 | |
c906108c SS |
125 | (*pos) += 3; |
126 | b = exp->elts[pc + 1].block; | |
127 | if (b != NULL | |
128 | && BLOCK_FUNCTION (b) != NULL | |
de5ad195 | 129 | && SYMBOL_PRINT_NAME (BLOCK_FUNCTION (b)) != NULL) |
c906108c | 130 | { |
de5ad195 | 131 | fputs_filtered (SYMBOL_PRINT_NAME (BLOCK_FUNCTION (b)), stream); |
c906108c SS |
132 | fputs_filtered ("::", stream); |
133 | } | |
de5ad195 | 134 | fputs_filtered (SYMBOL_PRINT_NAME (exp->elts[pc + 2].symbol), stream); |
c906108c SS |
135 | } |
136 | return; | |
137 | ||
138 | case OP_LAST: | |
139 | (*pos) += 2; | |
140 | fprintf_filtered (stream, "$%d", | |
141 | longest_to_int (exp->elts[pc + 1].longconst)); | |
142 | return; | |
143 | ||
144 | case OP_REGISTER: | |
e36180d7 | 145 | { |
67f3407f | 146 | const char *name = &exp->elts[pc + 2].string; |
d7f9d729 | 147 | |
67f3407f | 148 | (*pos) += 3 + BYTES_TO_EXP_ELEM (exp->elts[pc + 1].longconst + 1); |
eb8bc282 | 149 | fprintf_filtered (stream, "$%s", name); |
e36180d7 AC |
150 | return; |
151 | } | |
c906108c SS |
152 | |
153 | case OP_BOOL: | |
154 | (*pos) += 2; | |
155 | fprintf_filtered (stream, "%s", | |
156 | longest_to_int (exp->elts[pc + 1].longconst) | |
157 | ? "TRUE" : "FALSE"); | |
158 | return; | |
159 | ||
160 | case OP_INTERNALVAR: | |
161 | (*pos) += 2; | |
162 | fprintf_filtered (stream, "$%s", | |
c5aa993b | 163 | internalvar_name (exp->elts[pc + 1].internalvar)); |
c906108c SS |
164 | return; |
165 | ||
166 | case OP_FUNCALL: | |
167 | (*pos) += 2; | |
168 | nargs = longest_to_int (exp->elts[pc + 1].longconst); | |
169 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
170 | fputs_filtered (" (", stream); | |
171 | for (tem = 0; tem < nargs; tem++) | |
172 | { | |
173 | if (tem != 0) | |
174 | fputs_filtered (", ", stream); | |
175 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
176 | } | |
177 | fputs_filtered (")", stream); | |
178 | return; | |
179 | ||
180 | case OP_NAME: | |
c5aa993b | 181 | nargs = longest_to_int (exp->elts[pc + 1].longconst); |
c906108c SS |
182 | (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1); |
183 | fputs_filtered (&exp->elts[pc + 2].string, stream); | |
184 | return; | |
185 | ||
186 | case OP_STRING: | |
79a45b7d TT |
187 | { |
188 | struct value_print_options opts; | |
d7f9d729 | 189 | |
79a45b7d TT |
190 | nargs = longest_to_int (exp->elts[pc + 1].longconst); |
191 | (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1); | |
192 | /* LA_PRINT_STRING will print using the current repeat count threshold. | |
193 | If necessary, we can temporarily set it to zero, or pass it as an | |
194 | additional parameter to LA_PRINT_STRING. -fnf */ | |
195 | get_user_print_options (&opts); | |
6c7a06a3 | 196 | LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char, |
be759fcf | 197 | &exp->elts[pc + 2].string, nargs, NULL, 0, &opts); |
79a45b7d | 198 | } |
c906108c SS |
199 | return; |
200 | ||
201 | case OP_BITSTRING: | |
c5aa993b | 202 | nargs = longest_to_int (exp->elts[pc + 1].longconst); |
c906108c SS |
203 | (*pos) |
204 | += 3 + BYTES_TO_EXP_ELEM ((nargs + HOST_CHAR_BIT - 1) / HOST_CHAR_BIT); | |
205 | fprintf_unfiltered (stream, "B'<unimplemented>'"); | |
206 | return; | |
207 | ||
82eeeb94 | 208 | case OP_OBJC_NSSTRING: /* Objective-C Foundation Class NSString constant. */ |
79a45b7d TT |
209 | { |
210 | struct value_print_options opts; | |
d7f9d729 | 211 | |
79a45b7d TT |
212 | nargs = longest_to_int (exp->elts[pc + 1].longconst); |
213 | (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1); | |
214 | fputs_filtered ("@\"", stream); | |
215 | get_user_print_options (&opts); | |
6c7a06a3 | 216 | LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char, |
be759fcf | 217 | &exp->elts[pc + 2].string, nargs, NULL, 0, &opts); |
79a45b7d TT |
218 | fputs_filtered ("\"", stream); |
219 | } | |
82eeeb94 AF |
220 | return; |
221 | ||
222 | case OP_OBJC_MSGCALL: | |
223 | { /* Objective C message (method) call. */ | |
224 | char *selector; | |
d7f9d729 | 225 | |
82eeeb94 AF |
226 | (*pos) += 3; |
227 | nargs = longest_to_int (exp->elts[pc + 2].longconst); | |
228 | fprintf_unfiltered (stream, "["); | |
229 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
230 | if (0 == target_read_string (exp->elts[pc + 1].longconst, | |
231 | &selector, 1024, NULL)) | |
232 | { | |
8a3fe4f8 | 233 | error (_("bad selector")); |
82eeeb94 AF |
234 | return; |
235 | } | |
236 | if (nargs) | |
237 | { | |
238 | char *s, *nextS; | |
d7f9d729 | 239 | |
82eeeb94 AF |
240 | s = alloca (strlen (selector) + 1); |
241 | strcpy (s, selector); | |
242 | for (tem = 0; tem < nargs; tem++) | |
243 | { | |
244 | nextS = strchr (s, ':'); | |
fcd776e5 | 245 | gdb_assert (nextS); /* Make sure we found ':'. */ |
82eeeb94 AF |
246 | *nextS = '\0'; |
247 | fprintf_unfiltered (stream, " %s: ", s); | |
248 | s = nextS + 1; | |
249 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
250 | } | |
251 | } | |
252 | else | |
253 | { | |
254 | fprintf_unfiltered (stream, " %s", selector); | |
255 | } | |
256 | fprintf_unfiltered (stream, "]"); | |
257 | /* "selector" was malloc'd by target_read_string. Free it. */ | |
4ef3f3be | 258 | xfree (selector); |
82eeeb94 AF |
259 | return; |
260 | } | |
261 | ||
c906108c SS |
262 | case OP_ARRAY: |
263 | (*pos) += 3; | |
264 | nargs = longest_to_int (exp->elts[pc + 2].longconst); | |
265 | nargs -= longest_to_int (exp->elts[pc + 1].longconst); | |
266 | nargs++; | |
267 | tem = 0; | |
268 | if (exp->elts[pc + 4].opcode == OP_LONG | |
b806fb9a UW |
269 | && exp->elts[pc + 5].type |
270 | == builtin_type (exp->gdbarch)->builtin_char | |
c906108c SS |
271 | && exp->language_defn->la_language == language_c) |
272 | { | |
273 | /* Attempt to print C character arrays using string syntax. | |
274 | Walk through the args, picking up one character from each | |
275 | of the OP_LONG expression elements. If any array element | |
276 | does not match our expection of what we should find for | |
277 | a simple string, revert back to array printing. Note that | |
278 | the last expression element is an explicit null terminator | |
279 | byte, which doesn't get printed. */ | |
280 | tempstr = alloca (nargs); | |
281 | pc += 4; | |
282 | while (tem < nargs) | |
283 | { | |
284 | if (exp->elts[pc].opcode != OP_LONG | |
b806fb9a UW |
285 | || exp->elts[pc + 1].type |
286 | != builtin_type (exp->gdbarch)->builtin_char) | |
c906108c SS |
287 | { |
288 | /* Not a simple array of char, use regular array printing. */ | |
289 | tem = 0; | |
290 | break; | |
291 | } | |
292 | else | |
293 | { | |
294 | tempstr[tem++] = | |
295 | longest_to_int (exp->elts[pc + 2].longconst); | |
296 | pc += 4; | |
297 | } | |
298 | } | |
299 | } | |
300 | if (tem > 0) | |
301 | { | |
79a45b7d | 302 | struct value_print_options opts; |
d7f9d729 | 303 | |
79a45b7d | 304 | get_user_print_options (&opts); |
6c7a06a3 | 305 | LA_PRINT_STRING (stream, builtin_type (exp->gdbarch)->builtin_char, |
be759fcf | 306 | tempstr, nargs - 1, NULL, 0, &opts); |
c906108c SS |
307 | (*pos) = pc; |
308 | } | |
309 | else | |
310 | { | |
db034ac5 | 311 | fputs_filtered (" {", stream); |
c906108c SS |
312 | for (tem = 0; tem < nargs; tem++) |
313 | { | |
314 | if (tem != 0) | |
315 | { | |
316 | fputs_filtered (", ", stream); | |
317 | } | |
318 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
319 | } | |
db034ac5 | 320 | fputs_filtered ("}", stream); |
c906108c SS |
321 | } |
322 | return; | |
323 | ||
324 | case OP_LABELED: | |
325 | tem = longest_to_int (exp->elts[pc + 1].longconst); | |
326 | (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1); | |
1b831c93 | 327 | /* Gcc support both these syntaxes. Unsure which is preferred. */ |
c906108c | 328 | #if 1 |
1b831c93 AC |
329 | fputs_filtered (&exp->elts[pc + 2].string, stream); |
330 | fputs_filtered (": ", stream); | |
c906108c | 331 | #else |
1b831c93 AC |
332 | fputs_filtered (".", stream); |
333 | fputs_filtered (&exp->elts[pc + 2].string, stream); | |
334 | fputs_filtered ("=", stream); | |
c906108c | 335 | #endif |
c906108c SS |
336 | print_subexp (exp, pos, stream, PREC_SUFFIX); |
337 | return; | |
338 | ||
339 | case TERNOP_COND: | |
340 | if ((int) prec > (int) PREC_COMMA) | |
341 | fputs_filtered ("(", stream); | |
342 | /* Print the subexpressions, forcing parentheses | |
c5aa993b JM |
343 | around any binary operations within them. |
344 | This is more parentheses than are strictly necessary, | |
345 | but it looks clearer. */ | |
c906108c SS |
346 | print_subexp (exp, pos, stream, PREC_HYPER); |
347 | fputs_filtered (" ? ", stream); | |
348 | print_subexp (exp, pos, stream, PREC_HYPER); | |
349 | fputs_filtered (" : ", stream); | |
350 | print_subexp (exp, pos, stream, PREC_HYPER); | |
351 | if ((int) prec > (int) PREC_COMMA) | |
352 | fputs_filtered (")", stream); | |
353 | return; | |
354 | ||
355 | case TERNOP_SLICE: | |
356 | case TERNOP_SLICE_COUNT: | |
357 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
358 | fputs_filtered ("(", stream); | |
359 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
360 | fputs_filtered (opcode == TERNOP_SLICE ? " : " : " UP ", stream); | |
361 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
362 | fputs_filtered (")", stream); | |
363 | return; | |
364 | ||
365 | case STRUCTOP_STRUCT: | |
366 | tem = longest_to_int (exp->elts[pc + 1].longconst); | |
367 | (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1); | |
368 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
369 | fputs_filtered (".", stream); | |
370 | fputs_filtered (&exp->elts[pc + 2].string, stream); | |
371 | return; | |
372 | ||
c5aa993b | 373 | /* Will not occur for Modula-2 */ |
c906108c SS |
374 | case STRUCTOP_PTR: |
375 | tem = longest_to_int (exp->elts[pc + 1].longconst); | |
376 | (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1); | |
377 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
378 | fputs_filtered ("->", stream); | |
379 | fputs_filtered (&exp->elts[pc + 2].string, stream); | |
380 | return; | |
381 | ||
0534816d DJ |
382 | case STRUCTOP_MEMBER: |
383 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
384 | fputs_filtered (".*", stream); | |
385 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
386 | return; | |
387 | ||
388 | case STRUCTOP_MPTR: | |
389 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
390 | fputs_filtered ("->*", stream); | |
391 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
392 | return; | |
393 | ||
c906108c SS |
394 | case BINOP_SUBSCRIPT: |
395 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
396 | fputs_filtered ("[", stream); | |
397 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
398 | fputs_filtered ("]", stream); | |
399 | return; | |
400 | ||
401 | case UNOP_POSTINCREMENT: | |
402 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
403 | fputs_filtered ("++", stream); | |
404 | return; | |
405 | ||
406 | case UNOP_POSTDECREMENT: | |
407 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
408 | fputs_filtered ("--", stream); | |
409 | return; | |
410 | ||
411 | case UNOP_CAST: | |
412 | (*pos) += 2; | |
413 | if ((int) prec > (int) PREC_PREFIX) | |
c5aa993b | 414 | fputs_filtered ("(", stream); |
c906108c SS |
415 | fputs_filtered ("(", stream); |
416 | type_print (exp->elts[pc + 1].type, "", stream, 0); | |
417 | fputs_filtered (") ", stream); | |
418 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
419 | if ((int) prec > (int) PREC_PREFIX) | |
c5aa993b | 420 | fputs_filtered (")", stream); |
c906108c SS |
421 | return; |
422 | ||
4e8f195d TT |
423 | case UNOP_DYNAMIC_CAST: |
424 | case UNOP_REINTERPRET_CAST: | |
425 | fputs_filtered (opcode == UNOP_DYNAMIC_CAST ? "dynamic_cast" | |
426 | : "reinterpret_cast", stream); | |
427 | fputs_filtered ("<", stream); | |
428 | (*pos) += 2; | |
429 | type_print (exp->elts[pc + 1].type, "", stream, 0); | |
430 | fputs_filtered ("> (", stream); | |
431 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
432 | fputs_filtered (")", stream); | |
433 | return; | |
434 | ||
c906108c SS |
435 | case UNOP_MEMVAL: |
436 | (*pos) += 2; | |
437 | if ((int) prec > (int) PREC_PREFIX) | |
c5aa993b | 438 | fputs_filtered ("(", stream); |
905e0470 PM |
439 | if (TYPE_CODE (exp->elts[pc + 1].type) == TYPE_CODE_FUNC |
440 | && exp->elts[pc + 3].opcode == OP_LONG) | |
c5aa993b | 441 | { |
79a45b7d TT |
442 | struct value_print_options opts; |
443 | ||
c5aa993b JM |
444 | /* We have a minimal symbol fn, probably. It's encoded |
445 | as a UNOP_MEMVAL (function-type) of an OP_LONG (int, address). | |
446 | Swallow the OP_LONG (including both its opcodes); ignore | |
447 | its type; print the value in the type of the MEMVAL. */ | |
448 | (*pos) += 4; | |
449 | val = value_at_lazy (exp->elts[pc + 1].type, | |
00a4c844 | 450 | (CORE_ADDR) exp->elts[pc + 5].longconst); |
79a45b7d TT |
451 | get_raw_print_options (&opts); |
452 | value_print (val, stream, &opts); | |
c5aa993b JM |
453 | } |
454 | else | |
455 | { | |
456 | fputs_filtered ("{", stream); | |
457 | type_print (exp->elts[pc + 1].type, "", stream, 0); | |
458 | fputs_filtered ("} ", stream); | |
459 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
460 | } | |
c906108c | 461 | if ((int) prec > (int) PREC_PREFIX) |
c5aa993b | 462 | fputs_filtered (")", stream); |
c906108c SS |
463 | return; |
464 | ||
9e35dae4 DJ |
465 | case UNOP_MEMVAL_TLS: |
466 | (*pos) += 3; | |
467 | if ((int) prec > (int) PREC_PREFIX) | |
468 | fputs_filtered ("(", stream); | |
469 | fputs_filtered ("{", stream); | |
470 | type_print (exp->elts[pc + 2].type, "", stream, 0); | |
471 | fputs_filtered ("} ", stream); | |
472 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
473 | if ((int) prec > (int) PREC_PREFIX) | |
474 | fputs_filtered (")", stream); | |
475 | return; | |
476 | ||
c906108c SS |
477 | case BINOP_ASSIGN_MODIFY: |
478 | opcode = exp->elts[pc + 1].opcode; | |
479 | (*pos) += 2; | |
480 | myprec = PREC_ASSIGN; | |
481 | assoc = 1; | |
482 | assign_modify = 1; | |
483 | op_str = "???"; | |
484 | for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++) | |
485 | if (op_print_tab[tem].opcode == opcode) | |
486 | { | |
487 | op_str = op_print_tab[tem].string; | |
488 | break; | |
489 | } | |
490 | if (op_print_tab[tem].opcode != opcode) | |
491 | /* Not found; don't try to keep going because we don't know how | |
492 | to interpret further elements. */ | |
8a3fe4f8 | 493 | error (_("Invalid expression")); |
c906108c SS |
494 | break; |
495 | ||
c5aa993b | 496 | /* C++ ops */ |
c906108c SS |
497 | |
498 | case OP_THIS: | |
499 | ++(*pos); | |
500 | fputs_filtered ("this", stream); | |
501 | return; | |
502 | ||
82eeeb94 AF |
503 | /* Objective-C ops */ |
504 | ||
505 | case OP_OBJC_SELF: | |
506 | ++(*pos); | |
507 | fputs_filtered ("self", stream); /* The ObjC equivalent of "this". */ | |
508 | return; | |
509 | ||
c5aa993b | 510 | /* Modula-2 ops */ |
c906108c SS |
511 | |
512 | case MULTI_SUBSCRIPT: | |
513 | (*pos) += 2; | |
514 | nargs = longest_to_int (exp->elts[pc + 1].longconst); | |
515 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
516 | fprintf_unfiltered (stream, " ["); | |
517 | for (tem = 0; tem < nargs; tem++) | |
518 | { | |
519 | if (tem != 0) | |
520 | fprintf_unfiltered (stream, ", "); | |
521 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
522 | } | |
523 | fprintf_unfiltered (stream, "]"); | |
524 | return; | |
525 | ||
526 | case BINOP_VAL: | |
c5aa993b JM |
527 | (*pos) += 2; |
528 | fprintf_unfiltered (stream, "VAL("); | |
529 | type_print (exp->elts[pc + 1].type, "", stream, 0); | |
530 | fprintf_unfiltered (stream, ","); | |
531 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
532 | fprintf_unfiltered (stream, ")"); | |
c906108c | 533 | return; |
c5aa993b | 534 | |
c906108c SS |
535 | case BINOP_INCL: |
536 | case BINOP_EXCL: | |
8a3fe4f8 | 537 | error (_("print_subexp: Not implemented.")); |
c906108c | 538 | |
c5aa993b | 539 | /* Default ops */ |
c906108c SS |
540 | |
541 | default: | |
542 | op_str = "???"; | |
543 | for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++) | |
544 | if (op_print_tab[tem].opcode == opcode) | |
545 | { | |
546 | op_str = op_print_tab[tem].string; | |
547 | myprec = op_print_tab[tem].precedence; | |
548 | assoc = op_print_tab[tem].right_assoc; | |
549 | break; | |
550 | } | |
551 | if (op_print_tab[tem].opcode != opcode) | |
552 | /* Not found; don't try to keep going because we don't know how | |
553 | to interpret further elements. For example, this happens | |
554 | if opcode is OP_TYPE. */ | |
8a3fe4f8 | 555 | error (_("Invalid expression")); |
c5aa993b | 556 | } |
c906108c SS |
557 | |
558 | /* Note that PREC_BUILTIN will always emit parentheses. */ | |
559 | if ((int) myprec < (int) prec) | |
560 | fputs_filtered ("(", stream); | |
561 | if ((int) opcode > (int) BINOP_END) | |
562 | { | |
563 | if (assoc) | |
564 | { | |
565 | /* Unary postfix operator. */ | |
566 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
567 | fputs_filtered (op_str, stream); | |
568 | } | |
569 | else | |
570 | { | |
571 | /* Unary prefix operator. */ | |
572 | fputs_filtered (op_str, stream); | |
573 | if (myprec == PREC_BUILTIN_FUNCTION) | |
574 | fputs_filtered ("(", stream); | |
575 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
576 | if (myprec == PREC_BUILTIN_FUNCTION) | |
577 | fputs_filtered (")", stream); | |
578 | } | |
579 | } | |
580 | else | |
581 | { | |
582 | /* Binary operator. */ | |
583 | /* Print left operand. | |
c5aa993b JM |
584 | If operator is right-associative, |
585 | increment precedence for this operand. */ | |
c906108c SS |
586 | print_subexp (exp, pos, stream, |
587 | (enum precedence) ((int) myprec + assoc)); | |
588 | /* Print the operator itself. */ | |
589 | if (assign_modify) | |
590 | fprintf_filtered (stream, " %s= ", op_str); | |
591 | else if (op_str[0] == ',') | |
592 | fprintf_filtered (stream, "%s ", op_str); | |
593 | else | |
594 | fprintf_filtered (stream, " %s ", op_str); | |
595 | /* Print right operand. | |
c5aa993b JM |
596 | If operator is left-associative, |
597 | increment precedence for this operand. */ | |
c906108c SS |
598 | print_subexp (exp, pos, stream, |
599 | (enum precedence) ((int) myprec + !assoc)); | |
600 | } | |
601 | ||
602 | if ((int) myprec < (int) prec) | |
603 | fputs_filtered (")", stream); | |
604 | } | |
605 | ||
606 | /* Return the operator corresponding to opcode OP as | |
607 | a string. NULL indicates that the opcode was not found in the | |
608 | current language table. */ | |
609 | char * | |
fba45db2 | 610 | op_string (enum exp_opcode op) |
c906108c SS |
611 | { |
612 | int tem; | |
f86f5ca3 | 613 | const struct op_print *op_print_tab; |
c906108c SS |
614 | |
615 | op_print_tab = current_language->la_op_print_tab; | |
616 | for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++) | |
617 | if (op_print_tab[tem].opcode == op) | |
618 | return op_print_tab[tem].string; | |
619 | return NULL; | |
620 | } | |
621 | ||
c906108c SS |
622 | /* Support for dumping the raw data from expressions in a human readable |
623 | form. */ | |
624 | ||
5f9769d1 | 625 | static char *op_name (struct expression *, enum exp_opcode); |
24daaebc | 626 | static int dump_subexp_body (struct expression *exp, struct ui_file *, int); |
c906108c | 627 | |
5f9769d1 PH |
628 | /* Name for OPCODE, when it appears in expression EXP. */ |
629 | ||
c906108c | 630 | static char * |
5f9769d1 PH |
631 | op_name (struct expression *exp, enum exp_opcode opcode) |
632 | { | |
633 | return exp->language_defn->la_exp_desc->op_name (opcode); | |
634 | } | |
635 | ||
636 | /* Default name for the standard operator OPCODE (i.e., one defined in | |
637 | the definition of enum exp_opcode). */ | |
638 | ||
639 | char * | |
640 | op_name_standard (enum exp_opcode opcode) | |
c906108c SS |
641 | { |
642 | switch (opcode) | |
643 | { | |
644 | default: | |
645 | { | |
646 | static char buf[30]; | |
647 | ||
648 | sprintf (buf, "<unknown %d>", opcode); | |
649 | return buf; | |
650 | } | |
c5aa993b JM |
651 | case OP_NULL: |
652 | return "OP_NULL"; | |
653 | case BINOP_ADD: | |
654 | return "BINOP_ADD"; | |
655 | case BINOP_SUB: | |
656 | return "BINOP_SUB"; | |
657 | case BINOP_MUL: | |
658 | return "BINOP_MUL"; | |
659 | case BINOP_DIV: | |
660 | return "BINOP_DIV"; | |
661 | case BINOP_REM: | |
662 | return "BINOP_REM"; | |
663 | case BINOP_MOD: | |
664 | return "BINOP_MOD"; | |
665 | case BINOP_LSH: | |
666 | return "BINOP_LSH"; | |
667 | case BINOP_RSH: | |
668 | return "BINOP_RSH"; | |
669 | case BINOP_LOGICAL_AND: | |
670 | return "BINOP_LOGICAL_AND"; | |
671 | case BINOP_LOGICAL_OR: | |
672 | return "BINOP_LOGICAL_OR"; | |
673 | case BINOP_BITWISE_AND: | |
674 | return "BINOP_BITWISE_AND"; | |
675 | case BINOP_BITWISE_IOR: | |
676 | return "BINOP_BITWISE_IOR"; | |
677 | case BINOP_BITWISE_XOR: | |
678 | return "BINOP_BITWISE_XOR"; | |
679 | case BINOP_EQUAL: | |
680 | return "BINOP_EQUAL"; | |
681 | case BINOP_NOTEQUAL: | |
682 | return "BINOP_NOTEQUAL"; | |
683 | case BINOP_LESS: | |
684 | return "BINOP_LESS"; | |
685 | case BINOP_GTR: | |
686 | return "BINOP_GTR"; | |
687 | case BINOP_LEQ: | |
688 | return "BINOP_LEQ"; | |
689 | case BINOP_GEQ: | |
690 | return "BINOP_GEQ"; | |
691 | case BINOP_REPEAT: | |
692 | return "BINOP_REPEAT"; | |
693 | case BINOP_ASSIGN: | |
694 | return "BINOP_ASSIGN"; | |
695 | case BINOP_COMMA: | |
696 | return "BINOP_COMMA"; | |
697 | case BINOP_SUBSCRIPT: | |
698 | return "BINOP_SUBSCRIPT"; | |
699 | case MULTI_SUBSCRIPT: | |
700 | return "MULTI_SUBSCRIPT"; | |
701 | case BINOP_EXP: | |
702 | return "BINOP_EXP"; | |
703 | case BINOP_MIN: | |
704 | return "BINOP_MIN"; | |
705 | case BINOP_MAX: | |
706 | return "BINOP_MAX"; | |
c5aa993b JM |
707 | case STRUCTOP_MEMBER: |
708 | return "STRUCTOP_MEMBER"; | |
709 | case STRUCTOP_MPTR: | |
710 | return "STRUCTOP_MPTR"; | |
711 | case BINOP_INTDIV: | |
712 | return "BINOP_INTDIV"; | |
713 | case BINOP_ASSIGN_MODIFY: | |
714 | return "BINOP_ASSIGN_MODIFY"; | |
715 | case BINOP_VAL: | |
716 | return "BINOP_VAL"; | |
717 | case BINOP_INCL: | |
718 | return "BINOP_INCL"; | |
719 | case BINOP_EXCL: | |
720 | return "BINOP_EXCL"; | |
721 | case BINOP_CONCAT: | |
722 | return "BINOP_CONCAT"; | |
723 | case BINOP_RANGE: | |
724 | return "BINOP_RANGE"; | |
725 | case BINOP_END: | |
726 | return "BINOP_END"; | |
727 | case TERNOP_COND: | |
728 | return "TERNOP_COND"; | |
729 | case TERNOP_SLICE: | |
730 | return "TERNOP_SLICE"; | |
731 | case TERNOP_SLICE_COUNT: | |
732 | return "TERNOP_SLICE_COUNT"; | |
733 | case OP_LONG: | |
734 | return "OP_LONG"; | |
735 | case OP_DOUBLE: | |
736 | return "OP_DOUBLE"; | |
737 | case OP_VAR_VALUE: | |
738 | return "OP_VAR_VALUE"; | |
739 | case OP_LAST: | |
740 | return "OP_LAST"; | |
741 | case OP_REGISTER: | |
742 | return "OP_REGISTER"; | |
743 | case OP_INTERNALVAR: | |
744 | return "OP_INTERNALVAR"; | |
745 | case OP_FUNCALL: | |
746 | return "OP_FUNCALL"; | |
747 | case OP_STRING: | |
748 | return "OP_STRING"; | |
749 | case OP_BITSTRING: | |
750 | return "OP_BITSTRING"; | |
751 | case OP_ARRAY: | |
752 | return "OP_ARRAY"; | |
753 | case UNOP_CAST: | |
754 | return "UNOP_CAST"; | |
4e8f195d TT |
755 | case UNOP_DYNAMIC_CAST: |
756 | return "UNOP_DYNAMIC_CAST"; | |
757 | case UNOP_REINTERPRET_CAST: | |
758 | return "UNOP_REINTERPRET_CAST"; | |
c5aa993b JM |
759 | case UNOP_MEMVAL: |
760 | return "UNOP_MEMVAL"; | |
9e35dae4 DJ |
761 | case UNOP_MEMVAL_TLS: |
762 | return "UNOP_MEMVAL_TLS"; | |
c5aa993b JM |
763 | case UNOP_NEG: |
764 | return "UNOP_NEG"; | |
765 | case UNOP_LOGICAL_NOT: | |
766 | return "UNOP_LOGICAL_NOT"; | |
767 | case UNOP_COMPLEMENT: | |
768 | return "UNOP_COMPLEMENT"; | |
769 | case UNOP_IND: | |
770 | return "UNOP_IND"; | |
771 | case UNOP_ADDR: | |
772 | return "UNOP_ADDR"; | |
773 | case UNOP_PREINCREMENT: | |
774 | return "UNOP_PREINCREMENT"; | |
775 | case UNOP_POSTINCREMENT: | |
776 | return "UNOP_POSTINCREMENT"; | |
777 | case UNOP_PREDECREMENT: | |
778 | return "UNOP_PREDECREMENT"; | |
779 | case UNOP_POSTDECREMENT: | |
780 | return "UNOP_POSTDECREMENT"; | |
781 | case UNOP_SIZEOF: | |
782 | return "UNOP_SIZEOF"; | |
783 | case UNOP_LOWER: | |
784 | return "UNOP_LOWER"; | |
785 | case UNOP_UPPER: | |
786 | return "UNOP_UPPER"; | |
787 | case UNOP_LENGTH: | |
788 | return "UNOP_LENGTH"; | |
789 | case UNOP_PLUS: | |
790 | return "UNOP_PLUS"; | |
791 | case UNOP_CAP: | |
792 | return "UNOP_CAP"; | |
793 | case UNOP_CHR: | |
794 | return "UNOP_CHR"; | |
795 | case UNOP_ORD: | |
796 | return "UNOP_ORD"; | |
797 | case UNOP_ABS: | |
798 | return "UNOP_ABS"; | |
799 | case UNOP_FLOAT: | |
800 | return "UNOP_FLOAT"; | |
801 | case UNOP_HIGH: | |
802 | return "UNOP_HIGH"; | |
803 | case UNOP_MAX: | |
804 | return "UNOP_MAX"; | |
805 | case UNOP_MIN: | |
806 | return "UNOP_MIN"; | |
807 | case UNOP_ODD: | |
808 | return "UNOP_ODD"; | |
809 | case UNOP_TRUNC: | |
810 | return "UNOP_TRUNC"; | |
811 | case OP_BOOL: | |
812 | return "OP_BOOL"; | |
813 | case OP_M2_STRING: | |
814 | return "OP_M2_STRING"; | |
815 | case STRUCTOP_STRUCT: | |
816 | return "STRUCTOP_STRUCT"; | |
817 | case STRUCTOP_PTR: | |
818 | return "STRUCTOP_PTR"; | |
819 | case OP_THIS: | |
820 | return "OP_THIS"; | |
82eeeb94 AF |
821 | case OP_OBJC_SELF: |
822 | return "OP_OBJC_SELF"; | |
c5aa993b JM |
823 | case OP_SCOPE: |
824 | return "OP_SCOPE"; | |
825 | case OP_TYPE: | |
826 | return "OP_TYPE"; | |
827 | case OP_LABELED: | |
828 | return "OP_LABELED"; | |
7322dca9 SW |
829 | case OP_ADL_FUNC: |
830 | return "OP_ADL_FUNC"; | |
c906108c SS |
831 | } |
832 | } | |
833 | ||
a411cd0e DE |
834 | /* Print a raw dump of expression EXP to STREAM. |
835 | NOTE, if non-NULL, is printed as extra explanatory text. */ | |
836 | ||
c906108c | 837 | void |
24daaebc PH |
838 | dump_raw_expression (struct expression *exp, struct ui_file *stream, |
839 | char *note) | |
c906108c SS |
840 | { |
841 | int elt; | |
842 | char *opcode_name; | |
843 | char *eltscan; | |
844 | int eltsize; | |
845 | ||
846 | fprintf_filtered (stream, "Dump of expression @ "); | |
d4f3574e | 847 | gdb_print_host_address (exp, stream); |
a411cd0e DE |
848 | if (note) |
849 | fprintf_filtered (stream, ", %s:", note); | |
850 | fprintf_filtered (stream, "\n\tLanguage %s, %d elements, %ld bytes each.\n", | |
c5aa993b | 851 | exp->language_defn->la_name, exp->nelts, |
9d271fd8 | 852 | (long) sizeof (union exp_element)); |
c906108c SS |
853 | fprintf_filtered (stream, "\t%5s %20s %16s %s\n", "Index", "Opcode", |
854 | "Hex Value", "String Value"); | |
c5aa993b | 855 | for (elt = 0; elt < exp->nelts; elt++) |
c906108c SS |
856 | { |
857 | fprintf_filtered (stream, "\t%5d ", elt); | |
5f9769d1 | 858 | opcode_name = op_name (exp, exp->elts[elt].opcode); |
c906108c SS |
859 | |
860 | fprintf_filtered (stream, "%20s ", opcode_name); | |
c5aa993b | 861 | print_longest (stream, 'd', 0, exp->elts[elt].longconst); |
c906108c SS |
862 | fprintf_filtered (stream, " "); |
863 | ||
864 | for (eltscan = (char *) &exp->elts[elt], | |
c5aa993b | 865 | eltsize = sizeof (union exp_element); |
c906108c SS |
866 | eltsize-- > 0; |
867 | eltscan++) | |
868 | { | |
869 | fprintf_filtered (stream, "%c", | |
870 | isprint (*eltscan) ? (*eltscan & 0xFF) : '.'); | |
871 | } | |
872 | fprintf_filtered (stream, "\n"); | |
873 | } | |
874 | } | |
875 | ||
24daaebc PH |
876 | /* Dump the subexpression of prefix expression EXP whose operator is at |
877 | position ELT onto STREAM. Returns the position of the next | |
878 | subexpression in EXP. */ | |
c906108c | 879 | |
24daaebc | 880 | int |
fba45db2 | 881 | dump_subexp (struct expression *exp, struct ui_file *stream, int elt) |
c906108c SS |
882 | { |
883 | static int indent = 0; | |
884 | int i; | |
885 | ||
886 | fprintf_filtered (stream, "\n"); | |
887 | fprintf_filtered (stream, "\t%5d ", elt); | |
888 | ||
889 | for (i = 1; i <= indent; i++) | |
890 | fprintf_filtered (stream, " "); | |
891 | indent += 2; | |
892 | ||
5f9769d1 | 893 | fprintf_filtered (stream, "%-20s ", op_name (exp, exp->elts[elt].opcode)); |
c906108c | 894 | |
24daaebc PH |
895 | elt = dump_subexp_body (exp, stream, elt); |
896 | ||
897 | indent -= 2; | |
898 | ||
899 | return elt; | |
900 | } | |
901 | ||
902 | /* Dump the operands of prefix expression EXP whose opcode is at | |
903 | position ELT onto STREAM. Returns the position of the next | |
904 | subexpression in EXP. */ | |
905 | ||
906 | static int | |
907 | dump_subexp_body (struct expression *exp, struct ui_file *stream, int elt) | |
5f9769d1 PH |
908 | { |
909 | return exp->language_defn->la_exp_desc->dump_subexp_body (exp, stream, elt); | |
910 | } | |
911 | ||
912 | /* Default value for subexp_body in exp_descriptor vector. */ | |
913 | ||
914 | int | |
915 | dump_subexp_body_standard (struct expression *exp, | |
916 | struct ui_file *stream, int elt) | |
24daaebc PH |
917 | { |
918 | int opcode = exp->elts[elt++].opcode; | |
919 | ||
920 | switch (opcode) | |
c906108c SS |
921 | { |
922 | case TERNOP_COND: | |
923 | case TERNOP_SLICE: | |
924 | case TERNOP_SLICE_COUNT: | |
925 | elt = dump_subexp (exp, stream, elt); | |
926 | case BINOP_ADD: | |
927 | case BINOP_SUB: | |
928 | case BINOP_MUL: | |
929 | case BINOP_DIV: | |
930 | case BINOP_REM: | |
931 | case BINOP_MOD: | |
932 | case BINOP_LSH: | |
933 | case BINOP_RSH: | |
934 | case BINOP_LOGICAL_AND: | |
935 | case BINOP_LOGICAL_OR: | |
936 | case BINOP_BITWISE_AND: | |
937 | case BINOP_BITWISE_IOR: | |
938 | case BINOP_BITWISE_XOR: | |
939 | case BINOP_EQUAL: | |
940 | case BINOP_NOTEQUAL: | |
941 | case BINOP_LESS: | |
942 | case BINOP_GTR: | |
943 | case BINOP_LEQ: | |
944 | case BINOP_GEQ: | |
945 | case BINOP_REPEAT: | |
946 | case BINOP_ASSIGN: | |
947 | case BINOP_COMMA: | |
948 | case BINOP_SUBSCRIPT: | |
949 | case BINOP_EXP: | |
950 | case BINOP_MIN: | |
951 | case BINOP_MAX: | |
c906108c SS |
952 | case BINOP_INTDIV: |
953 | case BINOP_ASSIGN_MODIFY: | |
954 | case BINOP_VAL: | |
955 | case BINOP_INCL: | |
956 | case BINOP_EXCL: | |
957 | case BINOP_CONCAT: | |
958 | case BINOP_IN: | |
959 | case BINOP_RANGE: | |
960 | case BINOP_END: | |
0534816d DJ |
961 | case STRUCTOP_MEMBER: |
962 | case STRUCTOP_MPTR: | |
c906108c SS |
963 | elt = dump_subexp (exp, stream, elt); |
964 | case UNOP_NEG: | |
965 | case UNOP_LOGICAL_NOT: | |
966 | case UNOP_COMPLEMENT: | |
967 | case UNOP_IND: | |
968 | case UNOP_ADDR: | |
969 | case UNOP_PREINCREMENT: | |
970 | case UNOP_POSTINCREMENT: | |
971 | case UNOP_PREDECREMENT: | |
972 | case UNOP_POSTDECREMENT: | |
973 | case UNOP_SIZEOF: | |
974 | case UNOP_PLUS: | |
975 | case UNOP_CAP: | |
976 | case UNOP_CHR: | |
977 | case UNOP_ORD: | |
978 | case UNOP_ABS: | |
979 | case UNOP_FLOAT: | |
980 | case UNOP_HIGH: | |
981 | case UNOP_MAX: | |
982 | case UNOP_MIN: | |
983 | case UNOP_ODD: | |
984 | case UNOP_TRUNC: | |
985 | case UNOP_LOWER: | |
986 | case UNOP_UPPER: | |
987 | case UNOP_LENGTH: | |
988 | case UNOP_CARD: | |
989 | case UNOP_CHMAX: | |
990 | case UNOP_CHMIN: | |
991 | elt = dump_subexp (exp, stream, elt); | |
992 | break; | |
993 | case OP_LONG: | |
d4f3574e SS |
994 | fprintf_filtered (stream, "Type @"); |
995 | gdb_print_host_address (exp->elts[elt].type, stream); | |
996 | fprintf_filtered (stream, " ("); | |
c906108c SS |
997 | type_print (exp->elts[elt].type, NULL, stream, 0); |
998 | fprintf_filtered (stream, "), value %ld (0x%lx)", | |
c5aa993b JM |
999 | (long) exp->elts[elt + 1].longconst, |
1000 | (long) exp->elts[elt + 1].longconst); | |
c906108c SS |
1001 | elt += 3; |
1002 | break; | |
1003 | case OP_DOUBLE: | |
d4f3574e SS |
1004 | fprintf_filtered (stream, "Type @"); |
1005 | gdb_print_host_address (exp->elts[elt].type, stream); | |
1006 | fprintf_filtered (stream, " ("); | |
c906108c SS |
1007 | type_print (exp->elts[elt].type, NULL, stream, 0); |
1008 | fprintf_filtered (stream, "), value %g", | |
c5aa993b | 1009 | (double) exp->elts[elt + 1].doubleconst); |
c906108c SS |
1010 | elt += 3; |
1011 | break; | |
1012 | case OP_VAR_VALUE: | |
d4f3574e SS |
1013 | fprintf_filtered (stream, "Block @"); |
1014 | gdb_print_host_address (exp->elts[elt].block, stream); | |
1015 | fprintf_filtered (stream, ", symbol @"); | |
1016 | gdb_print_host_address (exp->elts[elt + 1].symbol, stream); | |
1017 | fprintf_filtered (stream, " (%s)", | |
3567439c | 1018 | SYMBOL_PRINT_NAME (exp->elts[elt + 1].symbol)); |
c906108c SS |
1019 | elt += 3; |
1020 | break; | |
1021 | case OP_LAST: | |
1022 | fprintf_filtered (stream, "History element %ld", | |
c5aa993b | 1023 | (long) exp->elts[elt].longconst); |
c906108c SS |
1024 | elt += 2; |
1025 | break; | |
1026 | case OP_REGISTER: | |
67f3407f DJ |
1027 | fprintf_filtered (stream, "Register $%s", &exp->elts[elt + 1].string); |
1028 | elt += 3 + BYTES_TO_EXP_ELEM (exp->elts[elt].longconst + 1); | |
c906108c SS |
1029 | break; |
1030 | case OP_INTERNALVAR: | |
d4f3574e SS |
1031 | fprintf_filtered (stream, "Internal var @"); |
1032 | gdb_print_host_address (exp->elts[elt].internalvar, stream); | |
1033 | fprintf_filtered (stream, " (%s)", | |
4fa62494 | 1034 | internalvar_name (exp->elts[elt].internalvar)); |
c906108c SS |
1035 | elt += 2; |
1036 | break; | |
1037 | case OP_FUNCALL: | |
1038 | { | |
24daaebc | 1039 | int i, nargs; |
c906108c SS |
1040 | |
1041 | nargs = longest_to_int (exp->elts[elt].longconst); | |
1042 | ||
1043 | fprintf_filtered (stream, "Number of args: %d", nargs); | |
1044 | elt += 2; | |
1045 | ||
1046 | for (i = 1; i <= nargs + 1; i++) | |
1047 | elt = dump_subexp (exp, stream, elt); | |
1048 | } | |
1049 | break; | |
1050 | case OP_ARRAY: | |
1051 | { | |
1052 | int lower, upper; | |
1053 | int i; | |
1054 | ||
1055 | lower = longest_to_int (exp->elts[elt].longconst); | |
1056 | upper = longest_to_int (exp->elts[elt + 1].longconst); | |
1057 | ||
1058 | fprintf_filtered (stream, "Bounds [%d:%d]", lower, upper); | |
1059 | elt += 3; | |
1060 | ||
1061 | for (i = 1; i <= upper - lower + 1; i++) | |
1062 | elt = dump_subexp (exp, stream, elt); | |
1063 | } | |
1064 | break; | |
1065 | case UNOP_MEMVAL: | |
1066 | case UNOP_CAST: | |
4e8f195d TT |
1067 | case UNOP_DYNAMIC_CAST: |
1068 | case UNOP_REINTERPRET_CAST: | |
d4f3574e SS |
1069 | fprintf_filtered (stream, "Type @"); |
1070 | gdb_print_host_address (exp->elts[elt].type, stream); | |
1071 | fprintf_filtered (stream, " ("); | |
c906108c SS |
1072 | type_print (exp->elts[elt].type, NULL, stream, 0); |
1073 | fprintf_filtered (stream, ")"); | |
1074 | elt = dump_subexp (exp, stream, elt + 2); | |
1075 | break; | |
9e35dae4 DJ |
1076 | case UNOP_MEMVAL_TLS: |
1077 | fprintf_filtered (stream, "TLS type @"); | |
1078 | gdb_print_host_address (exp->elts[elt + 1].type, stream); | |
1079 | fprintf_filtered (stream, " (__thread /* \"%s\" */ ", | |
1080 | (exp->elts[elt].objfile == NULL ? "(null)" | |
1081 | : exp->elts[elt].objfile->name)); | |
1082 | type_print (exp->elts[elt + 1].type, NULL, stream, 0); | |
1083 | fprintf_filtered (stream, ")"); | |
1084 | elt = dump_subexp (exp, stream, elt + 3); | |
1085 | break; | |
c906108c | 1086 | case OP_TYPE: |
d4f3574e SS |
1087 | fprintf_filtered (stream, "Type @"); |
1088 | gdb_print_host_address (exp->elts[elt].type, stream); | |
1089 | fprintf_filtered (stream, " ("); | |
c906108c SS |
1090 | type_print (exp->elts[elt].type, NULL, stream, 0); |
1091 | fprintf_filtered (stream, ")"); | |
1092 | elt += 2; | |
1093 | break; | |
1094 | case STRUCTOP_STRUCT: | |
1095 | case STRUCTOP_PTR: | |
1096 | { | |
1097 | char *elem_name; | |
1098 | int len; | |
1099 | ||
1100 | len = longest_to_int (exp->elts[elt].longconst); | |
1101 | elem_name = &exp->elts[elt + 1].string; | |
1102 | ||
1103 | fprintf_filtered (stream, "Element name: `%.*s'", len, elem_name); | |
1104 | elt = dump_subexp (exp, stream, elt + 3 + BYTES_TO_EXP_ELEM (len + 1)); | |
1105 | } | |
1106 | break; | |
1107 | case OP_SCOPE: | |
1108 | { | |
1109 | char *elem_name; | |
1110 | int len; | |
1111 | ||
d4f3574e SS |
1112 | fprintf_filtered (stream, "Type @"); |
1113 | gdb_print_host_address (exp->elts[elt].type, stream); | |
1114 | fprintf_filtered (stream, " ("); | |
c906108c SS |
1115 | type_print (exp->elts[elt].type, NULL, stream, 0); |
1116 | fprintf_filtered (stream, ") "); | |
1117 | ||
1118 | len = longest_to_int (exp->elts[elt + 1].longconst); | |
1119 | elem_name = &exp->elts[elt + 2].string; | |
1120 | ||
1121 | fprintf_filtered (stream, "Field name: `%.*s'", len, elem_name); | |
1122 | elt += 4 + BYTES_TO_EXP_ELEM (len + 1); | |
1123 | } | |
1124 | break; | |
1125 | default: | |
1126 | case OP_NULL: | |
c906108c SS |
1127 | case MULTI_SUBSCRIPT: |
1128 | case OP_F77_UNDETERMINED_ARGLIST: | |
1129 | case OP_COMPLEX: | |
1130 | case OP_STRING: | |
1131 | case OP_BITSTRING: | |
1132 | case OP_BOOL: | |
1133 | case OP_M2_STRING: | |
1134 | case OP_THIS: | |
1135 | case OP_LABELED: | |
1136 | case OP_NAME: | |
c906108c SS |
1137 | fprintf_filtered (stream, "Unknown format"); |
1138 | } | |
1139 | ||
c906108c SS |
1140 | return elt; |
1141 | } | |
1142 | ||
1143 | void | |
24daaebc | 1144 | dump_prefix_expression (struct expression *exp, struct ui_file *stream) |
c906108c SS |
1145 | { |
1146 | int elt; | |
1147 | ||
1148 | fprintf_filtered (stream, "Dump of expression @ "); | |
d4f3574e | 1149 | gdb_print_host_address (exp, stream); |
24daaebc | 1150 | fputs_filtered (", after conversion to prefix form:\nExpression: `", stream); |
c906108c SS |
1151 | if (exp->elts[0].opcode != OP_TYPE) |
1152 | print_expression (exp, stream); | |
1153 | else | |
1154 | fputs_filtered ("Type printing not yet supported....", stream); | |
9d271fd8 | 1155 | fprintf_filtered (stream, "'\n\tLanguage %s, %d elements, %ld bytes each.\n", |
c5aa993b | 1156 | exp->language_defn->la_name, exp->nelts, |
9d271fd8 | 1157 | (long) sizeof (union exp_element)); |
c906108c SS |
1158 | fputs_filtered ("\n", stream); |
1159 | ||
c5aa993b | 1160 | for (elt = 0; elt < exp->nelts;) |
c906108c SS |
1161 | elt = dump_subexp (exp, stream, elt); |
1162 | fputs_filtered ("\n", stream); | |
1163 | } |