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e2803273 TT |
1 | /* Definitions for expressions in GDB |
2 | ||
3 | Copyright (C) 2020 Free Software Foundation, Inc. | |
4 | ||
5 | This file is part of GDB. | |
6 | ||
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 | |
9 | the Free Software Foundation; either version 3 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
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. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #ifndef EXPOP_H | |
21 | #define EXPOP_H | |
22 | ||
23 | #include "block.h" | |
24 | #include "c-lang.h" | |
25 | #include "cp-abi.h" | |
26 | #include "expression.h" | |
27 | #include "objfiles.h" | |
28 | #include "gdbsupport/traits.h" | |
29 | #include "gdbsupport/enum-flags.h" | |
30 | ||
31 | struct agent_expr; | |
32 | struct axs_value; | |
33 | ||
75f9892d TT |
34 | extern void gen_expr_binop (struct expression *exp, |
35 | enum exp_opcode op, | |
36 | expr::operation *lhs, expr::operation *rhs, | |
37 | struct agent_expr *ax, struct axs_value *value); | |
38 | extern void gen_expr_structop (struct expression *exp, | |
39 | enum exp_opcode op, | |
40 | expr::operation *lhs, | |
41 | const char *name, | |
42 | struct agent_expr *ax, struct axs_value *value); | |
43 | ||
d5ab122c TT |
44 | extern struct value *eval_op_scope (struct type *expect_type, |
45 | struct expression *exp, | |
46 | enum noside noside, | |
47 | struct type *type, const char *string); | |
0c8effa3 TT |
48 | extern struct value *eval_op_var_msym_value (struct type *expect_type, |
49 | struct expression *exp, | |
50 | enum noside noside, | |
51 | bool outermost_p, | |
52 | minimal_symbol *msymbol, | |
53 | struct objfile *objfile); | |
b5cc3923 TT |
54 | extern struct value *eval_op_var_entry_value (struct type *expect_type, |
55 | struct expression *exp, | |
56 | enum noside noside, symbol *sym); | |
17679395 TT |
57 | extern struct value *eval_op_func_static_var (struct type *expect_type, |
58 | struct expression *exp, | |
59 | enum noside noside, | |
60 | value *func, const char *var); | |
55bdbff8 TT |
61 | extern struct value *eval_op_register (struct type *expect_type, |
62 | struct expression *exp, | |
63 | enum noside noside, const char *name); | |
b50db09f TT |
64 | extern struct value *eval_op_string (struct type *expect_type, |
65 | struct expression *exp, | |
66 | enum noside noside, int len, | |
67 | const char *string); | |
1594e0bb TT |
68 | extern struct value *eval_op_ternop (struct type *expect_type, |
69 | struct expression *exp, | |
70 | enum noside noside, | |
71 | struct value *array, struct value *low, | |
72 | struct value *upper); | |
808b22cf TT |
73 | extern struct value *eval_op_structop_struct (struct type *expect_type, |
74 | struct expression *exp, | |
75 | enum noside noside, | |
76 | struct value *arg1, | |
77 | const char *string); | |
ab0609be TT |
78 | extern struct value *eval_op_structop_ptr (struct type *expect_type, |
79 | struct expression *exp, | |
80 | enum noside noside, | |
81 | struct value *arg1, | |
82 | const char *string); | |
07f724a8 TT |
83 | extern struct value *eval_op_member (struct type *expect_type, |
84 | struct expression *exp, | |
85 | enum noside noside, | |
86 | struct value *arg1, struct value *arg2); | |
e51e26a0 TT |
87 | extern struct value *eval_op_concat (struct type *expect_type, |
88 | struct expression *exp, | |
89 | enum noside noside, | |
90 | struct value *arg1, struct value *arg2); | |
a94323b6 TT |
91 | extern struct value *eval_op_add (struct type *expect_type, |
92 | struct expression *exp, | |
93 | enum noside noside, | |
94 | struct value *arg1, struct value *arg2); | |
5133d78b TT |
95 | extern struct value *eval_op_sub (struct type *expect_type, |
96 | struct expression *exp, | |
97 | enum noside noside, | |
98 | struct value *arg1, struct value *arg2); | |
373907ff TT |
99 | extern struct value *eval_op_binary (struct type *expect_type, |
100 | struct expression *exp, | |
101 | enum noside noside, enum exp_opcode op, | |
102 | struct value *arg1, struct value *arg2); | |
d5ab122c | 103 | |
e2803273 TT |
104 | namespace expr |
105 | { | |
106 | ||
107 | /* The check_objfile overloads are used to check whether a particular | |
108 | component of some operation references an objfile. The passed-in | |
109 | objfile will never be a debug objfile. */ | |
110 | ||
111 | /* See if EXP_OBJFILE matches OBJFILE. */ | |
112 | static inline bool | |
113 | check_objfile (struct objfile *exp_objfile, struct objfile *objfile) | |
114 | { | |
115 | if (exp_objfile->separate_debug_objfile_backlink) | |
116 | exp_objfile = exp_objfile->separate_debug_objfile_backlink; | |
117 | return exp_objfile == objfile; | |
118 | } | |
119 | ||
120 | static inline bool | |
121 | check_objfile (struct type *type, struct objfile *objfile) | |
122 | { | |
123 | struct objfile *ty_objfile = type->objfile_owner (); | |
124 | if (ty_objfile != nullptr) | |
125 | return check_objfile (ty_objfile, objfile); | |
126 | return false; | |
127 | } | |
128 | ||
129 | static inline bool | |
130 | check_objfile (struct symbol *sym, struct objfile *objfile) | |
131 | { | |
132 | return check_objfile (symbol_objfile (sym), objfile); | |
133 | } | |
134 | ||
135 | static inline bool | |
136 | check_objfile (const struct block *block, struct objfile *objfile) | |
137 | { | |
138 | return check_objfile (block_objfile (block), objfile); | |
139 | } | |
140 | ||
141 | static inline bool | |
142 | check_objfile (minimal_symbol *minsym, struct objfile *objfile) | |
143 | { | |
144 | /* This may seem strange but minsyms are only used with an objfile | |
145 | as well. */ | |
146 | return false; | |
147 | } | |
148 | ||
149 | static inline bool | |
150 | check_objfile (internalvar *ivar, struct objfile *objfile) | |
151 | { | |
152 | return false; | |
153 | } | |
154 | ||
155 | static inline bool | |
156 | check_objfile (const std::string &str, struct objfile *objfile) | |
157 | { | |
158 | return false; | |
159 | } | |
160 | ||
161 | static inline bool | |
162 | check_objfile (const operation_up &op, struct objfile *objfile) | |
163 | { | |
164 | return op->uses_objfile (objfile); | |
165 | } | |
166 | ||
167 | static inline bool | |
168 | check_objfile (enum exp_opcode val, struct objfile *objfile) | |
169 | { | |
170 | return false; | |
171 | } | |
172 | ||
173 | static inline bool | |
174 | check_objfile (ULONGEST val, struct objfile *objfile) | |
175 | { | |
176 | return false; | |
177 | } | |
178 | ||
179 | template<typename T> | |
180 | static inline bool | |
181 | check_objfile (enum_flags<T> val, struct objfile *objfile) | |
182 | { | |
183 | return false; | |
184 | } | |
185 | ||
186 | template<typename T> | |
187 | static inline bool | |
188 | check_objfile (const std::vector<T> &collection, struct objfile *objfile) | |
189 | { | |
190 | for (const auto &item : collection) | |
191 | { | |
192 | if (check_objfile (item, objfile)) | |
193 | return true; | |
194 | } | |
195 | return false; | |
196 | } | |
197 | ||
198 | template<typename S, typename T> | |
199 | static inline bool | |
200 | check_objfile (const std::pair<S, T> &item, struct objfile *objfile) | |
201 | { | |
202 | return (check_objfile (item.first, objfile) | |
203 | || check_objfile (item.second, objfile)); | |
204 | } | |
205 | ||
de401988 TT |
206 | static inline void |
207 | dump_for_expression (struct ui_file *stream, int depth, | |
208 | const operation_up &op) | |
209 | { | |
210 | op->dump (stream, depth); | |
211 | } | |
212 | ||
213 | extern void dump_for_expression (struct ui_file *stream, int depth, | |
214 | enum exp_opcode op); | |
215 | extern void dump_for_expression (struct ui_file *stream, int depth, | |
216 | const std::string &str); | |
217 | extern void dump_for_expression (struct ui_file *stream, int depth, | |
218 | struct type *type); | |
219 | extern void dump_for_expression (struct ui_file *stream, int depth, | |
220 | CORE_ADDR addr); | |
221 | extern void dump_for_expression (struct ui_file *stream, int depth, | |
222 | internalvar *ivar); | |
223 | extern void dump_for_expression (struct ui_file *stream, int depth, | |
224 | symbol *sym); | |
225 | extern void dump_for_expression (struct ui_file *stream, int depth, | |
226 | minimal_symbol *msym); | |
227 | extern void dump_for_expression (struct ui_file *stream, int depth, | |
228 | const block *bl); | |
229 | extern void dump_for_expression (struct ui_file *stream, int depth, | |
230 | type_instance_flags flags); | |
231 | extern void dump_for_expression (struct ui_file *stream, int depth, | |
232 | enum c_string_type_values flags); | |
233 | extern void dump_for_expression (struct ui_file *stream, int depth, | |
234 | enum range_flag flags); | |
235 | extern void dump_for_expression (struct ui_file *stream, int depth, | |
236 | objfile *objf); | |
237 | ||
238 | template<typename T> | |
239 | void | |
240 | dump_for_expression (struct ui_file *stream, int depth, | |
241 | const std::vector<T> &vals) | |
242 | { | |
243 | fprintf_filtered (stream, _("%*sVector:\n"), depth, ""); | |
244 | for (auto &item : vals) | |
245 | dump_for_expression (stream, depth + 1, item); | |
246 | } | |
247 | ||
248 | template<typename X, typename Y> | |
249 | void | |
250 | dump_for_expression (struct ui_file *stream, int depth, | |
251 | const std::pair<X, Y> &vals) | |
252 | { | |
253 | dump_for_expression (stream, depth, vals.first); | |
254 | dump_for_expression (stream, depth, vals.second); | |
255 | } | |
256 | ||
e2803273 TT |
257 | /* Base class for most concrete operations. This class holds data, |
258 | specified via template parameters, and supplies generic | |
259 | implementations of the 'dump' and 'uses_objfile' methods. */ | |
260 | template<typename... Arg> | |
261 | class tuple_holding_operation : public operation | |
262 | { | |
263 | public: | |
264 | ||
265 | explicit tuple_holding_operation (Arg... args) | |
266 | : m_storage (std::forward<Arg> (args)...) | |
267 | { | |
268 | } | |
269 | ||
270 | DISABLE_COPY_AND_ASSIGN (tuple_holding_operation); | |
271 | ||
272 | bool uses_objfile (struct objfile *objfile) const override | |
273 | { | |
274 | return do_check_objfile<0, Arg...> (objfile, m_storage); | |
275 | } | |
276 | ||
277 | void dump (struct ui_file *stream, int depth) const override | |
278 | { | |
de401988 TT |
279 | dump_for_expression (stream, depth, opcode ()); |
280 | do_dump<0, Arg...> (stream, depth + 1, m_storage); | |
e2803273 TT |
281 | } |
282 | ||
283 | protected: | |
284 | ||
285 | /* Storage for the data. */ | |
286 | std::tuple<Arg...> m_storage; | |
287 | ||
288 | private: | |
289 | ||
290 | /* do_dump does the work of dumping the data. */ | |
291 | template<int I, typename... T> | |
292 | typename std::enable_if<I == sizeof... (T), void>::type | |
293 | do_dump (struct ui_file *stream, int depth, const std::tuple<T...> &value) | |
294 | const | |
295 | { | |
296 | } | |
297 | ||
298 | template<int I, typename... T> | |
299 | typename std::enable_if<I < sizeof... (T), void>::type | |
300 | do_dump (struct ui_file *stream, int depth, const std::tuple<T...> &value) | |
301 | const | |
302 | { | |
de401988 | 303 | dump_for_expression (stream, depth, std::get<I> (value)); |
e2803273 TT |
304 | do_dump<I + 1, T...> (stream, depth, value); |
305 | } | |
306 | ||
307 | /* do_check_objfile does the work of checking whether this object | |
308 | refers to OBJFILE. */ | |
309 | template<int I, typename... T> | |
310 | typename std::enable_if<I == sizeof... (T), bool>::type | |
311 | do_check_objfile (struct objfile *objfile, const std::tuple<T...> &value) | |
312 | const | |
313 | { | |
314 | return false; | |
315 | } | |
316 | ||
317 | template<int I, typename... T> | |
318 | typename std::enable_if<I < sizeof... (T), bool>::type | |
319 | do_check_objfile (struct objfile *objfile, const std::tuple<T...> &value) | |
320 | const | |
321 | { | |
322 | if (check_objfile (std::get<I> (value), objfile)) | |
323 | return true; | |
324 | return do_check_objfile<I + 1, T...> (objfile, value); | |
325 | } | |
326 | }; | |
327 | ||
328 | /* The check_constant overloads are used to decide whether a given | |
329 | concrete operation is a constant. This is done by checking the | |
330 | operands. */ | |
331 | ||
332 | static inline bool | |
333 | check_constant (const operation_up &item) | |
334 | { | |
335 | return item->constant_p (); | |
336 | } | |
337 | ||
338 | static inline bool | |
339 | check_constant (struct minimal_symbol *msym) | |
340 | { | |
341 | return false; | |
342 | } | |
343 | ||
344 | static inline bool | |
345 | check_constant (struct type *type) | |
346 | { | |
347 | return true; | |
348 | } | |
349 | ||
350 | static inline bool | |
351 | check_constant (const struct block *block) | |
352 | { | |
353 | return true; | |
354 | } | |
355 | ||
356 | static inline bool | |
357 | check_constant (const std::string &str) | |
358 | { | |
359 | return true; | |
360 | } | |
361 | ||
362 | static inline bool | |
363 | check_constant (struct objfile *objfile) | |
364 | { | |
365 | return true; | |
366 | } | |
367 | ||
368 | static inline bool | |
369 | check_constant (ULONGEST cst) | |
370 | { | |
371 | return true; | |
372 | } | |
373 | ||
374 | static inline bool | |
375 | check_constant (struct symbol *sym) | |
376 | { | |
377 | enum address_class sc = SYMBOL_CLASS (sym); | |
378 | return (sc == LOC_BLOCK | |
379 | || sc == LOC_CONST | |
380 | || sc == LOC_CONST_BYTES | |
381 | || sc == LOC_LABEL); | |
382 | } | |
383 | ||
384 | template<typename T> | |
385 | static inline bool | |
386 | check_constant (const std::vector<T> &collection) | |
387 | { | |
388 | for (const auto &item : collection) | |
389 | if (!check_constant (item)) | |
390 | return false; | |
391 | return true; | |
392 | } | |
393 | ||
394 | template<typename S, typename T> | |
395 | static inline bool | |
396 | check_constant (const std::pair<S, T> &item) | |
397 | { | |
398 | return check_constant (item.first) && check_constant (item.second); | |
399 | } | |
400 | ||
401 | /* Base class for concrete operations. This class supplies an | |
402 | implementation of 'constant_p' that works by checking the | |
403 | operands. */ | |
404 | template<typename... Arg> | |
405 | class maybe_constant_operation | |
406 | : public tuple_holding_operation<Arg...> | |
407 | { | |
408 | public: | |
409 | ||
410 | using tuple_holding_operation<Arg...>::tuple_holding_operation; | |
411 | ||
412 | bool constant_p () const override | |
413 | { | |
414 | return do_check_constant<0, Arg...> (this->m_storage); | |
415 | } | |
416 | ||
417 | private: | |
418 | ||
419 | template<int I, typename... T> | |
420 | typename std::enable_if<I == sizeof... (T), bool>::type | |
421 | do_check_constant (const std::tuple<T...> &value) const | |
422 | { | |
423 | return true; | |
424 | } | |
425 | ||
426 | template<int I, typename... T> | |
427 | typename std::enable_if<I < sizeof... (T), bool>::type | |
428 | do_check_constant (const std::tuple<T...> &value) const | |
429 | { | |
430 | if (!check_constant (std::get<I> (value))) | |
431 | return false; | |
432 | return do_check_constant<I + 1, T...> (value); | |
433 | } | |
434 | }; | |
435 | ||
cae26a0c TT |
436 | /* A floating-point constant. The constant is encoded in the target |
437 | format. */ | |
438 | ||
439 | typedef std::array<gdb_byte, 16> float_data; | |
440 | ||
441 | /* An operation that holds a floating-point constant of a given | |
442 | type. | |
443 | ||
444 | This does not need the facilities provided by | |
445 | tuple_holding_operation, so it does not use it. */ | |
446 | class float_const_operation | |
447 | : public operation | |
448 | { | |
449 | public: | |
450 | ||
451 | float_const_operation (struct type *type, float_data data) | |
452 | : m_type (type), | |
453 | m_data (data) | |
454 | { | |
455 | } | |
456 | ||
457 | value *evaluate (struct type *expect_type, | |
458 | struct expression *exp, | |
459 | enum noside noside) override | |
460 | { | |
461 | return value_from_contents (m_type, m_data.data ()); | |
462 | } | |
463 | ||
464 | enum exp_opcode opcode () const override | |
465 | { return OP_FLOAT; } | |
466 | ||
467 | bool constant_p () const override | |
468 | { return true; } | |
469 | ||
470 | void dump (struct ui_file *stream, int depth) const override; | |
471 | ||
472 | private: | |
473 | ||
474 | struct type *m_type; | |
475 | float_data m_data; | |
476 | }; | |
477 | ||
d5ab122c TT |
478 | class scope_operation |
479 | : public maybe_constant_operation<struct type *, std::string> | |
480 | { | |
481 | public: | |
482 | ||
483 | using maybe_constant_operation::maybe_constant_operation; | |
484 | ||
485 | value *evaluate (struct type *expect_type, | |
486 | struct expression *exp, | |
487 | enum noside noside) override | |
488 | { | |
489 | return eval_op_scope (expect_type, exp, noside, | |
490 | std::get<0> (m_storage), | |
491 | std::get<1> (m_storage).c_str ()); | |
492 | } | |
493 | ||
494 | value *evaluate_for_address (struct expression *exp, | |
495 | enum noside noside) override; | |
496 | ||
497 | enum exp_opcode opcode () const override | |
498 | { return OP_SCOPE; } | |
499 | ||
500 | protected: | |
501 | ||
502 | void do_generate_ax (struct expression *exp, | |
503 | struct agent_expr *ax, | |
504 | struct axs_value *value, | |
505 | struct type *cast_type) | |
506 | override; | |
507 | }; | |
508 | ||
d336c29e TT |
509 | class long_const_operation |
510 | : public tuple_holding_operation<struct type *, LONGEST> | |
511 | { | |
512 | public: | |
513 | ||
514 | using tuple_holding_operation::tuple_holding_operation; | |
515 | ||
516 | value *evaluate (struct type *expect_type, | |
517 | struct expression *exp, | |
518 | enum noside noside) override | |
519 | { | |
520 | return value_from_longest (std::get<0> (m_storage), | |
521 | std::get<1> (m_storage)); | |
522 | } | |
523 | ||
524 | enum exp_opcode opcode () const override | |
525 | { return OP_LONG; } | |
526 | ||
527 | bool constant_p () const override | |
528 | { return true; } | |
529 | ||
530 | protected: | |
531 | ||
532 | void do_generate_ax (struct expression *exp, | |
533 | struct agent_expr *ax, | |
534 | struct axs_value *value, | |
535 | struct type *cast_type) | |
536 | override; | |
537 | }; | |
538 | ||
0c8effa3 TT |
539 | class var_msym_value_operation |
540 | : public maybe_constant_operation<minimal_symbol *, struct objfile *> | |
541 | { | |
542 | public: | |
543 | ||
544 | using maybe_constant_operation::maybe_constant_operation; | |
545 | ||
546 | value *evaluate (struct type *expect_type, | |
547 | struct expression *exp, | |
548 | enum noside noside) override | |
549 | { | |
550 | return eval_op_var_msym_value (expect_type, exp, noside, m_outermost, | |
551 | std::get<0> (m_storage), | |
552 | std::get<1> (m_storage)); | |
553 | } | |
554 | ||
555 | value *evaluate_for_sizeof (struct expression *exp, enum noside noside) | |
556 | override; | |
557 | ||
558 | value *evaluate_for_address (struct expression *exp, enum noside noside) | |
559 | override; | |
560 | ||
561 | value *evaluate_for_cast (struct type *expect_type, | |
562 | struct expression *exp, | |
563 | enum noside noside) override; | |
564 | ||
565 | enum exp_opcode opcode () const override | |
566 | { return OP_VAR_MSYM_VALUE; } | |
567 | ||
568 | void set_outermost () override | |
569 | { | |
570 | m_outermost = true; | |
571 | } | |
572 | ||
573 | protected: | |
574 | ||
575 | /* True if this is the outermost operation in the expression. */ | |
576 | bool m_outermost = false; | |
577 | ||
578 | void do_generate_ax (struct expression *exp, | |
579 | struct agent_expr *ax, | |
580 | struct axs_value *value, | |
581 | struct type *cast_type) | |
582 | override; | |
583 | }; | |
584 | ||
b5cc3923 TT |
585 | class var_entry_value_operation |
586 | : public tuple_holding_operation<symbol *> | |
587 | { | |
588 | public: | |
589 | ||
590 | using tuple_holding_operation::tuple_holding_operation; | |
591 | ||
592 | value *evaluate (struct type *expect_type, | |
593 | struct expression *exp, | |
594 | enum noside noside) override | |
595 | { | |
596 | return eval_op_var_entry_value (expect_type, exp, noside, | |
597 | std::get<0> (m_storage)); | |
598 | } | |
599 | ||
600 | enum exp_opcode opcode () const override | |
601 | { return OP_VAR_ENTRY_VALUE; } | |
602 | }; | |
603 | ||
17679395 TT |
604 | class func_static_var_operation |
605 | : public maybe_constant_operation<operation_up, std::string> | |
606 | { | |
607 | public: | |
608 | ||
609 | using maybe_constant_operation::maybe_constant_operation; | |
610 | ||
611 | value *evaluate (struct type *expect_type, | |
612 | struct expression *exp, | |
613 | enum noside noside) override | |
614 | { | |
615 | value *func = std::get<0> (m_storage)->evaluate (nullptr, exp, noside); | |
616 | return eval_op_func_static_var (expect_type, exp, noside, func, | |
617 | std::get<1> (m_storage).c_str ()); | |
618 | } | |
619 | ||
620 | enum exp_opcode opcode () const override | |
621 | { return OP_FUNC_STATIC_VAR; } | |
622 | }; | |
623 | ||
247d935b TT |
624 | class last_operation |
625 | : public tuple_holding_operation<int> | |
626 | { | |
627 | public: | |
628 | ||
629 | using tuple_holding_operation::tuple_holding_operation; | |
630 | ||
631 | value *evaluate (struct type *expect_type, | |
632 | struct expression *exp, | |
633 | enum noside noside) override | |
634 | { | |
635 | return access_value_history (std::get<0> (m_storage)); | |
636 | } | |
637 | ||
638 | enum exp_opcode opcode () const override | |
639 | { return OP_LAST; } | |
640 | }; | |
641 | ||
55bdbff8 TT |
642 | class register_operation |
643 | : public tuple_holding_operation<std::string> | |
644 | { | |
645 | public: | |
646 | ||
647 | using tuple_holding_operation::tuple_holding_operation; | |
648 | ||
649 | value *evaluate (struct type *expect_type, | |
650 | struct expression *exp, | |
651 | enum noside noside) override | |
652 | { | |
653 | return eval_op_register (expect_type, exp, noside, | |
654 | std::get<0> (m_storage).c_str ()); | |
655 | } | |
656 | ||
657 | enum exp_opcode opcode () const override | |
658 | { return OP_REGISTER; } | |
659 | ||
660 | protected: | |
661 | ||
662 | void do_generate_ax (struct expression *exp, | |
663 | struct agent_expr *ax, | |
664 | struct axs_value *value, | |
665 | struct type *cast_type) | |
666 | override; | |
667 | }; | |
668 | ||
e6985c5e TT |
669 | class bool_operation |
670 | : public tuple_holding_operation<bool> | |
671 | { | |
672 | public: | |
673 | ||
674 | using tuple_holding_operation::tuple_holding_operation; | |
675 | ||
676 | value *evaluate (struct type *expect_type, | |
677 | struct expression *exp, | |
678 | enum noside noside) override | |
679 | { | |
680 | struct type *type = language_bool_type (exp->language_defn, exp->gdbarch); | |
681 | return value_from_longest (type, std::get<0> (m_storage)); | |
682 | } | |
683 | ||
684 | enum exp_opcode opcode () const override | |
685 | { return OP_BOOL; } | |
686 | ||
687 | bool constant_p () const override | |
688 | { return true; } | |
689 | }; | |
690 | ||
e6e01e16 TT |
691 | class internalvar_operation |
692 | : public tuple_holding_operation<internalvar *> | |
693 | { | |
694 | public: | |
695 | ||
696 | using tuple_holding_operation::tuple_holding_operation; | |
697 | ||
698 | value *evaluate (struct type *expect_type, | |
699 | struct expression *exp, | |
700 | enum noside noside) override | |
701 | { | |
702 | return value_of_internalvar (exp->gdbarch, | |
703 | std::get<0> (m_storage)); | |
704 | } | |
705 | ||
706 | internalvar *get_internalvar () const | |
707 | { | |
708 | return std::get<0> (m_storage); | |
709 | } | |
710 | ||
711 | enum exp_opcode opcode () const override | |
712 | { return OP_INTERNALVAR; } | |
713 | ||
714 | protected: | |
715 | ||
716 | void do_generate_ax (struct expression *exp, | |
717 | struct agent_expr *ax, | |
718 | struct axs_value *value, | |
719 | struct type *cast_type) | |
720 | override; | |
721 | }; | |
722 | ||
b50db09f TT |
723 | class string_operation |
724 | : public tuple_holding_operation<std::string> | |
725 | { | |
726 | public: | |
727 | ||
728 | using tuple_holding_operation::tuple_holding_operation; | |
729 | ||
730 | value *evaluate (struct type *expect_type, | |
731 | struct expression *exp, | |
732 | enum noside noside) override | |
733 | { | |
734 | const std::string &str = std::get<0> (m_storage); | |
735 | return eval_op_string (expect_type, exp, noside, | |
736 | str.size (), str.c_str ()); | |
737 | } | |
738 | ||
739 | enum exp_opcode opcode () const override | |
740 | { return OP_STRING; } | |
741 | }; | |
742 | ||
1594e0bb TT |
743 | class ternop_slice_operation |
744 | : public maybe_constant_operation<operation_up, operation_up, operation_up> | |
745 | { | |
746 | public: | |
747 | ||
748 | using maybe_constant_operation::maybe_constant_operation; | |
749 | ||
750 | value *evaluate (struct type *expect_type, | |
751 | struct expression *exp, | |
752 | enum noside noside) override | |
753 | { | |
754 | struct value *array | |
755 | = std::get<0> (m_storage)->evaluate (nullptr, exp, noside); | |
756 | struct value *low | |
757 | = std::get<1> (m_storage)->evaluate (nullptr, exp, noside); | |
758 | struct value *upper | |
759 | = std::get<2> (m_storage)->evaluate (nullptr, exp, noside); | |
760 | return eval_op_ternop (expect_type, exp, noside, array, low, upper); | |
761 | } | |
762 | ||
763 | enum exp_opcode opcode () const override | |
764 | { return TERNOP_SLICE; } | |
765 | }; | |
766 | ||
9186293f TT |
767 | class ternop_cond_operation |
768 | : public maybe_constant_operation<operation_up, operation_up, operation_up> | |
769 | { | |
770 | public: | |
771 | ||
772 | using maybe_constant_operation::maybe_constant_operation; | |
773 | ||
774 | value *evaluate (struct type *expect_type, | |
775 | struct expression *exp, | |
776 | enum noside noside) override | |
777 | { | |
778 | struct value *val | |
779 | = std::get<0> (m_storage)->evaluate (nullptr, exp, noside); | |
780 | ||
781 | if (value_logical_not (val)) | |
782 | return std::get<2> (m_storage)->evaluate (nullptr, exp, noside); | |
783 | return std::get<1> (m_storage)->evaluate (nullptr, exp, noside); | |
784 | } | |
785 | ||
786 | enum exp_opcode opcode () const override | |
787 | { return TERNOP_COND; } | |
788 | ||
789 | protected: | |
790 | ||
791 | void do_generate_ax (struct expression *exp, | |
792 | struct agent_expr *ax, | |
793 | struct axs_value *value, | |
794 | struct type *cast_type) | |
795 | override; | |
796 | }; | |
797 | ||
8cfd3e95 TT |
798 | class complex_operation |
799 | : public maybe_constant_operation<operation_up, operation_up, struct type *> | |
800 | { | |
801 | public: | |
802 | ||
803 | using maybe_constant_operation::maybe_constant_operation; | |
804 | ||
805 | value *evaluate (struct type *expect_type, | |
806 | struct expression *exp, | |
807 | enum noside noside) override | |
808 | { | |
809 | value *real = std::get<0> (m_storage)->evaluate (nullptr, exp, noside); | |
810 | value *imag = std::get<1> (m_storage)->evaluate (nullptr, exp, noside); | |
811 | return value_literal_complex (real, imag, | |
812 | std::get<2> (m_storage)); | |
813 | } | |
814 | ||
815 | enum exp_opcode opcode () const override | |
816 | { return OP_COMPLEX; } | |
817 | }; | |
818 | ||
808b22cf TT |
819 | class structop_base_operation |
820 | : public tuple_holding_operation<operation_up, std::string> | |
821 | { | |
822 | public: | |
823 | ||
824 | /* Used for completion. Return the field name. */ | |
825 | const std::string &get_string () const | |
826 | { | |
827 | return std::get<1> (m_storage); | |
828 | } | |
829 | ||
830 | /* Used for completion. Evaluate the LHS for type. */ | |
831 | value *evaluate_lhs (struct expression *exp) | |
832 | { | |
833 | return std::get<0> (m_storage)->evaluate (nullptr, exp, | |
834 | EVAL_AVOID_SIDE_EFFECTS); | |
835 | } | |
836 | ||
837 | protected: | |
838 | ||
839 | using tuple_holding_operation::tuple_holding_operation; | |
840 | }; | |
841 | ||
842 | class structop_operation | |
843 | : public structop_base_operation | |
844 | { | |
845 | public: | |
846 | ||
847 | using structop_base_operation::structop_base_operation; | |
848 | ||
849 | value *evaluate (struct type *expect_type, | |
850 | struct expression *exp, | |
851 | enum noside noside) override | |
852 | { | |
853 | value *val =std::get<0> (m_storage)->evaluate (nullptr, exp, noside); | |
854 | return eval_op_structop_struct (expect_type, exp, noside, val, | |
855 | std::get<1> (m_storage).c_str ()); | |
856 | } | |
857 | ||
858 | enum exp_opcode opcode () const override | |
859 | { return STRUCTOP_STRUCT; } | |
860 | ||
861 | protected: | |
862 | ||
863 | void do_generate_ax (struct expression *exp, | |
864 | struct agent_expr *ax, | |
865 | struct axs_value *value, | |
866 | struct type *cast_type) | |
867 | override | |
868 | { | |
869 | gen_expr_structop (exp, STRUCTOP_STRUCT, | |
870 | std::get<0> (this->m_storage).get (), | |
871 | std::get<1> (this->m_storage).c_str (), | |
872 | ax, value); | |
873 | } | |
874 | }; | |
875 | ||
ab0609be TT |
876 | class structop_ptr_operation |
877 | : public structop_base_operation | |
878 | { | |
879 | public: | |
880 | ||
881 | using structop_base_operation::structop_base_operation; | |
882 | ||
883 | value *evaluate (struct type *expect_type, | |
884 | struct expression *exp, | |
885 | enum noside noside) override | |
886 | { | |
887 | value *val = std::get<0> (m_storage)->evaluate (nullptr, exp, noside); | |
888 | return eval_op_structop_ptr (expect_type, exp, noside, val, | |
889 | std::get<1> (m_storage).c_str ()); | |
890 | } | |
891 | ||
892 | enum exp_opcode opcode () const override | |
893 | { return STRUCTOP_PTR; } | |
894 | ||
895 | protected: | |
896 | ||
897 | void do_generate_ax (struct expression *exp, | |
898 | struct agent_expr *ax, | |
899 | struct axs_value *value, | |
900 | struct type *cast_type) | |
901 | override | |
902 | { | |
903 | gen_expr_structop (exp, STRUCTOP_PTR, | |
904 | std::get<0> (this->m_storage).get (), | |
905 | std::get<1> (this->m_storage).c_str (), | |
906 | ax, value); | |
907 | } | |
908 | }; | |
909 | ||
07f724a8 TT |
910 | class structop_member_operation |
911 | : public tuple_holding_operation<operation_up, operation_up> | |
912 | { | |
913 | public: | |
914 | ||
915 | using tuple_holding_operation::tuple_holding_operation; | |
916 | ||
917 | value *evaluate (struct type *expect_type, | |
918 | struct expression *exp, | |
919 | enum noside noside) override | |
920 | { | |
921 | value *lhs | |
922 | = std::get<0> (m_storage)->evaluate_for_address (exp, noside); | |
923 | value *rhs | |
924 | = std::get<1> (m_storage)->evaluate (nullptr, exp, noside); | |
925 | return eval_op_member (expect_type, exp, noside, lhs, rhs); | |
926 | } | |
927 | ||
928 | enum exp_opcode opcode () const override | |
929 | { return STRUCTOP_MEMBER; } | |
930 | }; | |
931 | ||
932 | class structop_mptr_operation | |
933 | : public tuple_holding_operation<operation_up, operation_up> | |
934 | { | |
935 | public: | |
936 | ||
937 | using tuple_holding_operation::tuple_holding_operation; | |
938 | ||
939 | value *evaluate (struct type *expect_type, | |
940 | struct expression *exp, | |
941 | enum noside noside) override | |
942 | { | |
943 | value *lhs | |
944 | = std::get<0> (m_storage)->evaluate (nullptr, exp, noside); | |
945 | value *rhs | |
946 | = std::get<1> (m_storage)->evaluate (nullptr, exp, noside); | |
947 | return eval_op_member (expect_type, exp, noside, lhs, rhs); | |
948 | } | |
949 | ||
950 | enum exp_opcode opcode () const override | |
951 | { return STRUCTOP_MPTR; } | |
952 | }; | |
953 | ||
e51e26a0 TT |
954 | class concat_operation |
955 | : public maybe_constant_operation<operation_up, operation_up> | |
956 | { | |
957 | public: | |
958 | ||
959 | using maybe_constant_operation::maybe_constant_operation; | |
960 | ||
961 | value *evaluate (struct type *expect_type, | |
962 | struct expression *exp, | |
963 | enum noside noside) override | |
964 | { | |
965 | value *lhs | |
966 | = std::get<0> (m_storage)->evaluate_with_coercion (exp, noside); | |
967 | value *rhs | |
968 | = std::get<1> (m_storage)->evaluate_with_coercion (exp, noside); | |
969 | return eval_op_concat (expect_type, exp, noside, lhs, rhs); | |
970 | } | |
971 | ||
972 | enum exp_opcode opcode () const override | |
973 | { return BINOP_CONCAT; } | |
974 | }; | |
975 | ||
a94323b6 TT |
976 | class add_operation |
977 | : public maybe_constant_operation<operation_up, operation_up> | |
978 | { | |
979 | public: | |
980 | ||
981 | using maybe_constant_operation::maybe_constant_operation; | |
982 | ||
983 | value *evaluate (struct type *expect_type, | |
984 | struct expression *exp, | |
985 | enum noside noside) override | |
986 | { | |
987 | value *lhs | |
988 | = std::get<0> (m_storage)->evaluate_with_coercion (exp, noside); | |
989 | value *rhs | |
990 | = std::get<1> (m_storage)->evaluate_with_coercion (exp, noside); | |
991 | return eval_op_add (expect_type, exp, noside, lhs, rhs); | |
992 | } | |
993 | ||
994 | enum exp_opcode opcode () const override | |
995 | { return BINOP_ADD; } | |
996 | ||
997 | protected: | |
998 | ||
999 | void do_generate_ax (struct expression *exp, | |
1000 | struct agent_expr *ax, | |
1001 | struct axs_value *value, | |
1002 | struct type *cast_type) | |
1003 | override | |
1004 | { | |
1005 | gen_expr_binop (exp, BINOP_ADD, | |
1006 | std::get<0> (this->m_storage).get (), | |
1007 | std::get<1> (this->m_storage).get (), | |
1008 | ax, value); | |
1009 | } | |
1010 | }; | |
1011 | ||
5133d78b TT |
1012 | class sub_operation |
1013 | : public maybe_constant_operation<operation_up, operation_up> | |
1014 | { | |
1015 | public: | |
1016 | ||
1017 | using maybe_constant_operation::maybe_constant_operation; | |
1018 | ||
1019 | value *evaluate (struct type *expect_type, | |
1020 | struct expression *exp, | |
1021 | enum noside noside) override | |
1022 | { | |
1023 | value *lhs | |
1024 | = std::get<0> (m_storage)->evaluate_with_coercion (exp, noside); | |
1025 | value *rhs | |
1026 | = std::get<1> (m_storage)->evaluate_with_coercion (exp, noside); | |
1027 | return eval_op_sub (expect_type, exp, noside, lhs, rhs); | |
1028 | } | |
1029 | ||
1030 | enum exp_opcode opcode () const override | |
1031 | { return BINOP_SUB; } | |
1032 | ||
1033 | protected: | |
1034 | ||
1035 | void do_generate_ax (struct expression *exp, | |
1036 | struct agent_expr *ax, | |
1037 | struct axs_value *value, | |
1038 | struct type *cast_type) | |
1039 | override | |
1040 | { | |
1041 | gen_expr_binop (exp, BINOP_SUB, | |
1042 | std::get<0> (this->m_storage).get (), | |
1043 | std::get<1> (this->m_storage).get (), | |
1044 | ax, value); | |
1045 | } | |
1046 | }; | |
1047 | ||
373907ff TT |
1048 | typedef struct value *binary_ftype (struct type *expect_type, |
1049 | struct expression *exp, | |
1050 | enum noside noside, enum exp_opcode op, | |
1051 | struct value *arg1, struct value *arg2); | |
1052 | ||
1053 | template<enum exp_opcode OP, binary_ftype FUNC> | |
1054 | class binop_operation | |
1055 | : public maybe_constant_operation<operation_up, operation_up> | |
1056 | { | |
1057 | public: | |
1058 | ||
1059 | using maybe_constant_operation::maybe_constant_operation; | |
1060 | ||
1061 | value *evaluate (struct type *expect_type, | |
1062 | struct expression *exp, | |
1063 | enum noside noside) override | |
1064 | { | |
1065 | value *lhs | |
1066 | = std::get<0> (m_storage)->evaluate (nullptr, exp, noside); | |
1067 | value *rhs | |
1068 | = std::get<1> (m_storage)->evaluate (nullptr, exp, noside); | |
1069 | return FUNC (expect_type, exp, noside, OP, lhs, rhs); | |
1070 | } | |
1071 | ||
1072 | enum exp_opcode opcode () const override | |
1073 | { return OP; } | |
1074 | }; | |
1075 | ||
1076 | template<enum exp_opcode OP, binary_ftype FUNC> | |
1077 | class usual_ax_binop_operation | |
1078 | : public binop_operation<OP, FUNC> | |
1079 | { | |
1080 | public: | |
1081 | ||
1082 | using binop_operation<OP, FUNC>::binop_operation; | |
1083 | ||
1084 | protected: | |
1085 | ||
1086 | void do_generate_ax (struct expression *exp, | |
1087 | struct agent_expr *ax, | |
1088 | struct axs_value *value, | |
1089 | struct type *cast_type) | |
1090 | override | |
1091 | { | |
1092 | gen_expr_binop (exp, OP, | |
1093 | std::get<0> (this->m_storage).get (), | |
1094 | std::get<1> (this->m_storage).get (), | |
1095 | ax, value); | |
1096 | } | |
1097 | }; | |
1098 | ||
1099 | using exp_operation = binop_operation<BINOP_EXP, eval_op_binary>; | |
1100 | using intdiv_operation = binop_operation<BINOP_INTDIV, eval_op_binary>; | |
1101 | using mod_operation = binop_operation<BINOP_MOD, eval_op_binary>; | |
1102 | ||
1103 | using mul_operation = usual_ax_binop_operation<BINOP_MUL, eval_op_binary>; | |
1104 | using div_operation = usual_ax_binop_operation<BINOP_DIV, eval_op_binary>; | |
1105 | using rem_operation = usual_ax_binop_operation<BINOP_REM, eval_op_binary>; | |
1106 | using lsh_operation = usual_ax_binop_operation<BINOP_LSH, eval_op_binary>; | |
1107 | using rsh_operation = usual_ax_binop_operation<BINOP_RSH, eval_op_binary>; | |
1108 | using bitwise_and_operation | |
1109 | = usual_ax_binop_operation<BINOP_BITWISE_AND, eval_op_binary>; | |
1110 | using bitwise_ior_operation | |
1111 | = usual_ax_binop_operation<BINOP_BITWISE_IOR, eval_op_binary>; | |
1112 | using bitwise_xor_operation | |
1113 | = usual_ax_binop_operation<BINOP_BITWISE_XOR, eval_op_binary>; | |
1114 | ||
e2803273 TT |
1115 | } /* namespace expr */ |
1116 | ||
1117 | #endif /* EXPOP_H */ |