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Commit | Line | Data |
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56099f08 | 1 | // parse tree functions |
482fe2af | 2 | // Copyright (C) 2005-2009 Red Hat Inc. |
69c68955 FCE |
3 | // |
4 | // This file is part of systemtap, and is free software. You can | |
5 | // redistribute it and/or modify it under the terms of the GNU General | |
6 | // Public License (GPL); either version 2, or (at your option) any | |
7 | // later version. | |
2f1a1aea | 8 | |
2b066ec1 | 9 | #include "config.h" |
2f1a1aea FCE |
10 | #include "staptree.h" |
11 | #include "parse.h" | |
72dbc915 FCE |
12 | #include "util.h" |
13 | ||
2f1a1aea | 14 | #include <iostream> |
56099f08 | 15 | #include <typeinfo> |
d02548c0 | 16 | #include <sstream> |
56099f08 | 17 | #include <cassert> |
b2199bb3 | 18 | #include <cstring> |
c3a3c0c9 | 19 | #include <vector> |
66e00001 | 20 | #include <algorithm> |
edc22ba9 | 21 | #include <cstring> |
2f1a1aea | 22 | |
2b066ec1 FCE |
23 | using namespace std; |
24 | ||
2f1a1aea | 25 | |
c1d5f3f6 | 26 | |
56099f08 FCE |
27 | expression::expression (): |
28 | type (pe_unknown), tok (0) | |
29 | { | |
dff50e09 | 30 | } |
56099f08 FCE |
31 | |
32 | ||
33 | expression::~expression () | |
34 | { | |
35 | } | |
36 | ||
37 | ||
38 | statement::statement (): | |
39 | tok (0) | |
40 | { | |
dff50e09 | 41 | } |
56099f08 FCE |
42 | |
43 | ||
44 | statement::~statement () | |
45 | { | |
46 | } | |
47 | ||
48 | ||
49 | symbol::symbol (): | |
50 | referent (0) | |
51 | { | |
52 | } | |
53 | ||
54 | ||
55 | arrayindex::arrayindex (): | |
d02548c0 | 56 | base (0) |
56099f08 FCE |
57 | { |
58 | } | |
59 | ||
60 | ||
61 | functioncall::functioncall (): | |
62 | referent (0) | |
63 | { | |
64 | } | |
65 | ||
66 | ||
67 | symboldecl::symboldecl (): | |
68 | tok (0), | |
69 | type (pe_unknown) | |
70 | { | |
dff50e09 | 71 | } |
56099f08 FCE |
72 | |
73 | ||
74 | symboldecl::~symboldecl () | |
75 | { | |
76 | } | |
77 | ||
a229fcd7 GH |
78 | probe_point::probe_point (std::vector<component*> const & comps, |
79 | const token * t): | |
cbbe8080 | 80 | components(comps), tok(t), optional (false), sufficient (false), |
80342244 | 81 | condition (0) |
a229fcd7 GH |
82 | { |
83 | } | |
56099f08 | 84 | |
1939ea32 FCE |
85 | // NB: shallow-copy of compoonents & condition! |
86 | probe_point::probe_point (const probe_point& pp): | |
87 | components(pp.components), tok(pp.tok), optional (pp.optional), sufficient (pp.sufficient), | |
88 | condition (pp.condition) | |
89 | { | |
90 | } | |
91 | ||
92 | ||
9c0c0e46 | 93 | probe_point::probe_point (): |
80342244 | 94 | tok (0), optional (false), sufficient (false), condition (0) |
82919855 FCE |
95 | { |
96 | } | |
97 | ||
98 | ||
c1d5f3f6 | 99 | unsigned probe::last_probeidx = 0; |
82919855 | 100 | probe::probe (): |
5d23847d | 101 | body (0), tok (0) |
9c0c0e46 | 102 | { |
c1d5f3f6 | 103 | this->name = string ("probe_") + lex_cast<string>(last_probeidx ++); |
9c0c0e46 FCE |
104 | } |
105 | ||
106 | ||
107 | probe_point::component::component (): | |
108 | arg (0) | |
109 | { | |
110 | } | |
111 | ||
112 | ||
dff50e09 FCE |
113 | probe_point::component::component (std::string const & f, literal * a): |
114 | functor(f), arg(a) | |
a229fcd7 GH |
115 | { |
116 | } | |
117 | ||
118 | ||
2b066ec1 | 119 | vardecl::vardecl (): |
ef474d24 | 120 | arity (-1), maxsize(0), init(NULL) |
56099f08 FCE |
121 | { |
122 | } | |
123 | ||
124 | ||
2b066ec1 FCE |
125 | void |
126 | vardecl::set_arity (int a) | |
56099f08 | 127 | { |
d98d459c GH |
128 | if (a < 0) |
129 | return; | |
8846477c | 130 | |
ef474d24 | 131 | if ((arity != a && arity >= 0) || (a == 0 && maxsize > 0)) |
8846477c FCE |
132 | throw semantic_error ("inconsistent arity", tok); |
133 | ||
134 | if (arity != a) | |
135 | { | |
136 | arity = a; | |
137 | index_types.resize (arity); | |
138 | for (int i=0; i<arity; i++) | |
139 | index_types[i] = pe_unknown; | |
140 | } | |
56099f08 FCE |
141 | } |
142 | ||
dff50e09 | 143 | bool |
313b2f74 GH |
144 | vardecl::compatible_arity (int a) |
145 | { | |
ef474d24 JS |
146 | if (a == 0 && maxsize > 0) |
147 | return false; | |
d98d459c | 148 | if (arity == -1 || a == -1) |
313b2f74 GH |
149 | return true; |
150 | return arity == a; | |
151 | } | |
152 | ||
56099f08 FCE |
153 | |
154 | functiondecl::functiondecl (): | |
155 | body (0) | |
156 | { | |
157 | } | |
158 | ||
159 | ||
3a20432b | 160 | literal_number::literal_number (int64_t v) |
56099f08 FCE |
161 | { |
162 | value = v; | |
163 | type = pe_long; | |
164 | } | |
165 | ||
2f1a1aea | 166 | |
56099f08 FCE |
167 | literal_string::literal_string (const string& v) |
168 | { | |
169 | value = v; | |
170 | type = pe_string; | |
171 | } | |
172 | ||
173 | ||
174 | ostream& | |
175 | operator << (ostream& o, const exp_type& e) | |
176 | { | |
177 | switch (e) | |
178 | { | |
179 | case pe_unknown: o << "unknown"; break; | |
180 | case pe_long: o << "long"; break; | |
181 | case pe_string: o << "string"; break; | |
182 | case pe_stats: o << "stats"; break; | |
183 | default: o << "???"; break; | |
184 | } | |
185 | return o; | |
186 | } | |
187 | ||
188 | ||
189 | // ------------------------------------------------------------------------ | |
190 | // parse tree printing | |
191 | ||
cc9ee605 | 192 | ostream& operator << (ostream& o, const expression& k) |
56099f08 FCE |
193 | { |
194 | k.print (o); | |
195 | return o; | |
196 | } | |
197 | ||
198 | ||
cc9ee605 | 199 | void literal_string::print (ostream& o) const |
56099f08 | 200 | { |
cc9ee605 FCE |
201 | o << '"'; |
202 | for (unsigned i=0; i<value.size(); i++) | |
203 | if (value[i] == '"') // or other escapeworthy characters? | |
204 | o << '\\' << '"'; | |
205 | else | |
206 | o << value[i]; | |
207 | o << '"'; | |
56099f08 FCE |
208 | } |
209 | ||
f3c26ea5 | 210 | |
cc9ee605 | 211 | void literal_number::print (ostream& o) const |
56099f08 FCE |
212 | { |
213 | o << value; | |
214 | } | |
215 | ||
216 | ||
cc9ee605 | 217 | void binary_expression::print (ostream& o) const |
56099f08 | 218 | { |
dff50e09 FCE |
219 | o << "(" << *left << ") " |
220 | << op | |
a9c62ac9 | 221 | << " (" << *right << ")"; |
56099f08 | 222 | } |
2f1a1aea FCE |
223 | |
224 | ||
cc9ee605 | 225 | void unary_expression::print (ostream& o) const |
2f1a1aea | 226 | { |
dff50e09 | 227 | o << op << '(' << *operand << ")"; |
56099f08 FCE |
228 | } |
229 | ||
cc9ee605 | 230 | void array_in::print (ostream& o) const |
69c68955 FCE |
231 | { |
232 | o << "["; | |
233 | for (unsigned i=0; i<operand->indexes.size(); i++) | |
234 | { | |
235 | if (i > 0) o << ", "; | |
236 | operand->indexes[i]->print (o); | |
237 | } | |
a9c62ac9 FCE |
238 | o << "] in "; |
239 | operand->base->print_indexable (o); | |
69c68955 | 240 | } |
56099f08 | 241 | |
cc9ee605 | 242 | void post_crement::print (ostream& o) const |
56099f08 | 243 | { |
dff50e09 | 244 | o << '(' << *operand << ")" << op; |
56099f08 FCE |
245 | } |
246 | ||
247 | ||
cc9ee605 | 248 | void ternary_expression::print (ostream& o) const |
56099f08 | 249 | { |
ae56fddd FCE |
250 | o << "(" << *cond << ")?(" |
251 | << *truevalue << "):(" | |
dff50e09 | 252 | << *falsevalue << ")"; |
56099f08 FCE |
253 | } |
254 | ||
255 | ||
cc9ee605 | 256 | void symbol::print (ostream& o) const |
56099f08 FCE |
257 | { |
258 | o << name; | |
259 | } | |
260 | ||
261 | ||
cc9ee605 | 262 | void target_symbol::print (std::ostream& o) const |
d7f3e0c5 GH |
263 | { |
264 | o << base_name; | |
265 | for (unsigned i = 0; i < components.size(); ++i) | |
266 | { | |
267 | switch (components[i].first) | |
268 | { | |
269 | case comp_literal_array_index: | |
270 | o << '[' << components[i].second << ']'; | |
271 | break; | |
246b383e | 272 | case comp_struct_member: |
d7f3e0c5 GH |
273 | o << "->" << components[i].second; |
274 | break; | |
d7f3e0c5 GH |
275 | } |
276 | } | |
277 | } | |
278 | ||
279 | ||
9b5af295 JS |
280 | void cast_op::print (std::ostream& o) const |
281 | { | |
282 | o << base_name << '(' << *operand; | |
283 | o << ", " << lex_cast_qstring (type); | |
284 | if (module.length() > 0) | |
285 | o << ", " << lex_cast_qstring (module); | |
286 | o << ')'; | |
287 | for (unsigned i = 0; i < components.size(); ++i) | |
288 | { | |
289 | switch (components[i].first) | |
290 | { | |
291 | case comp_literal_array_index: | |
292 | o << '[' << components[i].second << ']'; | |
293 | break; | |
294 | case comp_struct_member: | |
295 | o << "->" << components[i].second; | |
296 | break; | |
297 | } | |
298 | } | |
299 | } | |
300 | ||
301 | ||
cc9ee605 | 302 | void vardecl::print (ostream& o) const |
56099f08 FCE |
303 | { |
304 | o << name; | |
ef474d24 JS |
305 | if (maxsize > 0) |
306 | o << "[" << maxsize << "]"; | |
bed7c0af | 307 | if (arity > 0 || index_types.size() > 0) |
56099f08 | 308 | o << "[...]"; |
9ba8c134 JS |
309 | if (init) |
310 | { | |
311 | o << " = "; | |
312 | init->print(o); | |
313 | } | |
56099f08 FCE |
314 | } |
315 | ||
2f1a1aea | 316 | |
cc9ee605 | 317 | void vardecl::printsig (ostream& o) const |
56099f08 | 318 | { |
ef474d24 JS |
319 | o << name; |
320 | if (maxsize > 0) | |
321 | o << "[" << maxsize << "]"; | |
322 | o << ":" << type; | |
56099f08 | 323 | if (index_types.size() > 0) |
2f1a1aea | 324 | { |
56099f08 FCE |
325 | o << " ["; |
326 | for (unsigned i=0; i<index_types.size(); i++) | |
327 | o << (i>0 ? ", " : "") << index_types[i]; | |
328 | o << "]"; | |
329 | } | |
330 | } | |
331 | ||
332 | ||
cc9ee605 | 333 | void functiondecl::print (ostream& o) const |
56099f08 FCE |
334 | { |
335 | o << "function " << name << " ("; | |
336 | for (unsigned i=0; i<formal_args.size(); i++) | |
337 | o << (i>0 ? ", " : "") << *formal_args[i]; | |
338 | o << ")" << endl; | |
339 | body->print(o); | |
340 | } | |
341 | ||
342 | ||
cc9ee605 | 343 | void functiondecl::printsig (ostream& o) const |
56099f08 FCE |
344 | { |
345 | o << name << ":" << type << " ("; | |
346 | for (unsigned i=0; i<formal_args.size(); i++) | |
347 | o << (i>0 ? ", " : "") | |
348 | << *formal_args[i] | |
349 | << ":" | |
350 | << formal_args[i]->type; | |
351 | o << ")"; | |
352 | } | |
353 | ||
354 | ||
cc9ee605 | 355 | void arrayindex::print (ostream& o) const |
56099f08 | 356 | { |
a9c62ac9 FCE |
357 | base->print_indexable (o); |
358 | o << "["; | |
56099f08 FCE |
359 | for (unsigned i=0; i<indexes.size(); i++) |
360 | o << (i>0 ? ", " : "") << *indexes[i]; | |
361 | o << "]"; | |
362 | } | |
363 | ||
364 | ||
cc9ee605 | 365 | void functioncall::print (ostream& o) const |
56099f08 FCE |
366 | { |
367 | o << function << "("; | |
368 | for (unsigned i=0; i<args.size(); i++) | |
369 | o << (i>0 ? ", " : "") << *args[i]; | |
370 | o << ")"; | |
dff50e09 | 371 | } |
56099f08 FCE |
372 | |
373 | ||
3cb17058 JS |
374 | bool |
375 | print_format::parse_print(const std::string &name, | |
32784362 | 376 | bool &stream, bool &format, bool &delim, bool &newline, bool &_char) |
3cb17058 JS |
377 | { |
378 | const char *n = name.c_str(); | |
379 | ||
380 | stream = true; | |
32784362 MH |
381 | format = delim = newline = _char = false; |
382 | ||
383 | if (strcmp(n, "print_char") == 0) | |
384 | { | |
385 | _char = true; | |
386 | return true; | |
387 | } | |
3cb17058 JS |
388 | |
389 | if (*n == 's') | |
390 | { | |
391 | stream = false; | |
392 | ++n; | |
393 | } | |
394 | ||
395 | if (0 != strncmp(n, "print", 5)) | |
396 | return false; | |
397 | n += 5; | |
398 | ||
399 | if (*n == 'f') | |
400 | { | |
401 | format = true; | |
402 | ++n; | |
403 | } | |
404 | else | |
405 | { | |
406 | if (*n == 'd') | |
407 | { | |
408 | delim = true; | |
409 | ++n; | |
410 | } | |
411 | ||
412 | if (*n == 'l' && *(n+1) == 'n') | |
413 | { | |
414 | newline = true; | |
415 | n += 2; | |
416 | } | |
417 | } | |
418 | ||
419 | return (*n == '\0'); | |
420 | } | |
421 | ||
422 | ||
dff50e09 | 423 | string |
d02548c0 GH |
424 | print_format::components_to_string(vector<format_component> const & components) |
425 | { | |
426 | ostringstream oss; | |
427 | ||
428 | for (vector<format_component>::const_iterator i = components.begin(); | |
429 | i != components.end(); ++i) | |
430 | { | |
431 | ||
432 | assert (i->type != conv_unspecified); | |
433 | ||
434 | if (i->type == conv_literal) | |
435 | { | |
436 | assert(!i->literal_string.empty()); | |
437 | for (string::const_iterator j = i->literal_string.begin(); | |
438 | j != i->literal_string.end(); ++j) | |
439 | { | |
c4bb5be2 | 440 | // See also: c_unparser::visit_literal_string and lex_cast_qstring |
d02548c0 GH |
441 | if (*j == '%') |
442 | oss << '%'; | |
c4bb5be2 FCE |
443 | else if(*j == '"') |
444 | oss << '\\'; | |
d02548c0 GH |
445 | oss << *j; |
446 | } | |
447 | } | |
448 | else | |
449 | { | |
450 | oss << '%'; | |
451 | ||
452 | if (i->flags & static_cast<unsigned long>(fmt_flag_zeropad)) | |
453 | oss << '0'; | |
454 | ||
455 | if (i->flags & static_cast<unsigned long>(fmt_flag_plus)) | |
456 | oss << '+'; | |
457 | ||
458 | if (i->flags & static_cast<unsigned long>(fmt_flag_space)) | |
459 | oss << ' '; | |
460 | ||
461 | if (i->flags & static_cast<unsigned long>(fmt_flag_left)) | |
462 | oss << '-'; | |
463 | ||
464 | if (i->flags & static_cast<unsigned long>(fmt_flag_special)) | |
465 | oss << '#'; | |
466 | ||
34201621 DB |
467 | if (i->widthtype == width_dynamic) |
468 | oss << '*'; | |
469 | else if (i->widthtype != width_unspecified && i->width > 0) | |
d02548c0 GH |
470 | oss << i->width; |
471 | ||
34201621 DB |
472 | if (i->prectype == prec_dynamic) |
473 | oss << ".*"; | |
474 | else if (i->prectype != prec_unspecified && i->precision > 0) | |
d02548c0 GH |
475 | oss << '.' << i->precision; |
476 | ||
dff50e09 | 477 | switch (i->type) |
dc0b623a MH |
478 | { |
479 | case conv_binary: | |
480 | oss << "b"; | |
481 | break; | |
482 | ||
fecccf83 EB |
483 | case conv_char: |
484 | oss << "llc"; | |
485 | break; | |
486 | ||
d02548c0 GH |
487 | case conv_signed_decimal: |
488 | oss << "lld"; | |
489 | break; | |
490 | ||
491 | case conv_unsigned_decimal: | |
492 | oss << "llu"; | |
493 | break; | |
494 | ||
495 | case conv_unsigned_octal: | |
496 | oss << "llo"; | |
497 | break; | |
498 | ||
58cf0567 MH |
499 | case conv_unsigned_ptr: |
500 | oss << "p"; | |
501 | break; | |
502 | ||
d02548c0 GH |
503 | case conv_unsigned_uppercase_hex: |
504 | oss << "llX"; | |
505 | break; | |
506 | ||
507 | case conv_unsigned_lowercase_hex: | |
508 | oss << "llx"; | |
509 | break; | |
510 | ||
511 | case conv_string: | |
512 | oss << 's'; | |
513 | break; | |
dff50e09 | 514 | |
34201621 DB |
515 | case conv_memory: |
516 | oss << 'm'; | |
517 | break; | |
dff50e09 | 518 | |
30c94a80 EB |
519 | case conv_memory_hex: |
520 | oss << 'M'; | |
521 | break; | |
522 | ||
d02548c0 GH |
523 | default: |
524 | break; | |
525 | } | |
526 | } | |
527 | } | |
528 | return oss.str (); | |
529 | } | |
dff50e09 FCE |
530 | |
531 | vector<print_format::format_component> | |
d02548c0 GH |
532 | print_format::string_to_components(string const & str) |
533 | { | |
534 | format_component curr; | |
535 | vector<format_component> res; | |
536 | ||
d02548c0 GH |
537 | curr.clear(); |
538 | ||
539 | string::const_iterator i = str.begin(); | |
dff50e09 | 540 | |
d02548c0 GH |
541 | while (i != str.end()) |
542 | { | |
07c17d67 | 543 | if (*i != '%') |
d02548c0 | 544 | { |
07c17d67 GH |
545 | assert (curr.type == conv_unspecified || curr.type == conv_literal); |
546 | curr.type = conv_literal; | |
dc0b623a | 547 | curr.literal_string += *i; |
d02548c0 | 548 | ++i; |
07c17d67 GH |
549 | continue; |
550 | } | |
551 | else if (i+1 == str.end() || *(i+1) == '%') | |
552 | { | |
553 | assert(*i == '%'); | |
554 | // *i == '%' and *(i+1) == '%'; append only one '%' to the literal string | |
555 | assert (curr.type == conv_unspecified || curr.type == conv_literal); | |
556 | curr.type = conv_literal; | |
557 | curr.literal_string += '%'; | |
2a99f48f | 558 | i += 2; |
07c17d67 GH |
559 | continue; |
560 | } | |
dff50e09 | 561 | else |
07c17d67 GH |
562 | { |
563 | assert(*i == '%'); | |
564 | if (curr.type != conv_unspecified) | |
d02548c0 | 565 | { |
07c17d67 GH |
566 | // Flush any component we were previously accumulating |
567 | assert (curr.type == conv_literal); | |
568 | res.push_back(curr); | |
569 | curr.clear(); | |
570 | } | |
571 | } | |
572 | ++i; | |
dff50e09 | 573 | |
07c17d67 GH |
574 | if (i == str.end()) |
575 | break; | |
d02548c0 | 576 | |
dff50e09 | 577 | // Now we are definitely parsing a conversion. |
d898100a | 578 | // Begin by parsing flags (which are optional). |
d02548c0 | 579 | |
07c17d67 GH |
580 | switch (*i) |
581 | { | |
582 | case '0': | |
583 | curr.flags |= static_cast<unsigned long>(fmt_flag_zeropad); | |
584 | ++i; | |
d02548c0 | 585 | break; |
dff50e09 | 586 | |
07c17d67 GH |
587 | case '+': |
588 | curr.flags |= static_cast<unsigned long>(fmt_flag_plus); | |
589 | ++i; | |
d02548c0 | 590 | break; |
dff50e09 | 591 | |
07c17d67 GH |
592 | case '-': |
593 | curr.flags |= static_cast<unsigned long>(fmt_flag_left); | |
594 | ++i; | |
d02548c0 | 595 | break; |
dff50e09 | 596 | |
07c17d67 GH |
597 | case ' ': |
598 | curr.flags |= static_cast<unsigned long>(fmt_flag_space); | |
599 | ++i; | |
600 | break; | |
dff50e09 | 601 | |
07c17d67 GH |
602 | case '#': |
603 | curr.flags |= static_cast<unsigned long>(fmt_flag_special); | |
604 | ++i; | |
605 | break; | |
dc0b623a | 606 | |
07c17d67 GH |
607 | default: |
608 | break; | |
609 | } | |
d02548c0 | 610 | |
34201621 DB |
611 | if (i == str.end()) |
612 | break; | |
613 | ||
07c17d67 | 614 | // Parse optional width |
34201621 | 615 | if (*i == '*') |
07c17d67 | 616 | { |
34201621 | 617 | curr.widthtype = width_dynamic; |
07c17d67 GH |
618 | ++i; |
619 | } | |
34201621 DB |
620 | else if (isdigit(*i)) |
621 | { | |
622 | curr.widthtype = width_static; | |
623 | curr.width = 0; | |
624 | do | |
625 | { | |
626 | curr.width *= 10; | |
627 | curr.width += (*i - '0'); | |
628 | ++i; | |
629 | } | |
630 | while (i != str.end() && isdigit(*i)); | |
631 | } | |
d02548c0 | 632 | |
07c17d67 GH |
633 | if (i == str.end()) |
634 | break; | |
d02548c0 | 635 | |
07c17d67 GH |
636 | // Parse optional precision |
637 | if (*i == '.') | |
638 | { | |
639 | ++i; | |
640 | if (i == str.end()) | |
641 | break; | |
34201621 | 642 | if (*i == '*') |
07c17d67 | 643 | { |
34201621 | 644 | curr.prectype = prec_dynamic; |
d02548c0 | 645 | ++i; |
07c17d67 | 646 | } |
34201621 DB |
647 | else if (isdigit(*i)) |
648 | { | |
649 | curr.prectype = prec_static; | |
650 | curr.precision = 0; | |
651 | do | |
652 | { | |
653 | curr.precision *= 10; | |
654 | curr.precision += (*i - '0'); | |
655 | ++i; | |
656 | } | |
657 | while (i != str.end() && isdigit(*i)); | |
658 | } | |
07c17d67 | 659 | } |
d02548c0 | 660 | |
07c17d67 GH |
661 | if (i == str.end()) |
662 | break; | |
d02548c0 | 663 | |
fecccf83 | 664 | // Parse the actual conversion specifier (bcsmdioupxXn) |
07c17d67 GH |
665 | switch (*i) |
666 | { | |
667 | // Valid conversion types | |
dc0b623a MH |
668 | case 'b': |
669 | curr.type = conv_binary; | |
670 | break; | |
dff50e09 | 671 | |
fecccf83 EB |
672 | case 'c': |
673 | curr.type = conv_char; | |
674 | break; | |
675 | ||
07c17d67 GH |
676 | case 's': |
677 | curr.type = conv_string; | |
678 | break; | |
dff50e09 | 679 | |
34201621 DB |
680 | case 'm': |
681 | curr.type = conv_memory; | |
682 | break; | |
dff50e09 | 683 | |
30c94a80 EB |
684 | case 'M': |
685 | curr.type = conv_memory_hex; | |
686 | break; | |
687 | ||
07c17d67 GH |
688 | case 'd': |
689 | case 'i': | |
690 | curr.type = conv_signed_decimal; | |
691 | break; | |
dff50e09 | 692 | |
07c17d67 GH |
693 | case 'o': |
694 | curr.type = conv_unsigned_octal; | |
695 | break; | |
dff50e09 | 696 | |
07c17d67 GH |
697 | case 'u': |
698 | curr.type = conv_unsigned_decimal; | |
699 | break; | |
dff50e09 | 700 | |
58cf0567 MH |
701 | case 'p': |
702 | curr.type = conv_unsigned_ptr; | |
703 | break; | |
704 | ||
07c17d67 GH |
705 | case 'X': |
706 | curr.type = conv_unsigned_uppercase_hex; | |
707 | break; | |
dff50e09 | 708 | |
07c17d67 GH |
709 | case 'x': |
710 | curr.type = conv_unsigned_lowercase_hex; | |
711 | break; | |
dc0b623a | 712 | |
07c17d67 | 713 | default: |
d02548c0 GH |
714 | break; |
715 | } | |
dff50e09 | 716 | |
07c17d67 | 717 | if (curr.type == conv_unspecified) |
a9c62ac9 | 718 | throw parse_error("invalid or missing conversion specifier"); |
dff50e09 | 719 | |
07c17d67 | 720 | ++i; |
dc0b623a | 721 | res.push_back(curr); |
dff50e09 | 722 | curr.clear(); |
d02548c0 GH |
723 | } |
724 | ||
07c17d67 GH |
725 | // If there's a remaining partly-composed conversion, fail. |
726 | if (!curr.is_empty()) | |
727 | { | |
728 | if (curr.type == conv_literal) | |
dff50e09 | 729 | res.push_back(curr); |
07c17d67 | 730 | else |
a9c62ac9 | 731 | throw parse_error("trailing incomplete print format conversion"); |
07c17d67 | 732 | } |
d02548c0 GH |
733 | |
734 | return res; | |
735 | } | |
736 | ||
737 | ||
738 | void print_format::print (ostream& o) const | |
739 | { | |
3cb17058 | 740 | o << tok->content << "("; |
d02548c0 | 741 | if (print_with_format) |
3cb17058 JS |
742 | o << lex_cast_qstring (raw_components); |
743 | if (print_with_delim) | |
744 | o << lex_cast_qstring (delimiter.literal_string); | |
a9c62ac9 FCE |
745 | if (hist) |
746 | hist->print(o); | |
d02548c0 GH |
747 | for (vector<expression*>::const_iterator i = args.begin(); |
748 | i != args.end(); ++i) | |
749 | { | |
3cb17058 | 750 | if (i != args.begin() || print_with_format || print_with_delim) |
d02548c0 GH |
751 | o << ", "; |
752 | (*i)->print(o); | |
753 | } | |
754 | o << ")"; | |
755 | } | |
756 | ||
757 | void stat_op::print (ostream& o) const | |
758 | { | |
759 | o << '@'; | |
760 | switch (ctype) | |
761 | { | |
762 | case sc_average: | |
763 | o << "avg("; | |
764 | break; | |
765 | ||
766 | case sc_count: | |
767 | o << "count("; | |
768 | break; | |
769 | ||
770 | case sc_sum: | |
771 | o << "sum("; | |
772 | break; | |
773 | ||
774 | case sc_min: | |
775 | o << "min("; | |
776 | break; | |
dff50e09 | 777 | |
d02548c0 GH |
778 | case sc_max: |
779 | o << "max("; | |
780 | break; | |
781 | } | |
782 | stat->print(o); | |
783 | o << ")"; | |
784 | } | |
785 | ||
dff50e09 | 786 | void |
d02548c0 GH |
787 | hist_op::print (ostream& o) const |
788 | { | |
789 | o << '@'; | |
790 | switch (htype) | |
791 | { | |
792 | case hist_linear: | |
793 | assert(params.size() == 3); | |
794 | o << "hist_linear("; | |
795 | stat->print(o); | |
796 | for (size_t i = 0; i < params.size(); ++i) | |
797 | { | |
798 | o << ", " << params[i]; | |
799 | } | |
800 | o << ")"; | |
801 | break; | |
802 | ||
803 | case hist_log: | |
e38723d2 | 804 | assert(params.size() == 0); |
d02548c0 GH |
805 | o << "hist_log("; |
806 | stat->print(o); | |
d02548c0 GH |
807 | o << ")"; |
808 | break; | |
809 | } | |
810 | } | |
811 | ||
cc9ee605 | 812 | ostream& operator << (ostream& o, const statement& k) |
56099f08 FCE |
813 | { |
814 | k.print (o); | |
815 | return o; | |
816 | } | |
817 | ||
818 | ||
cc9ee605 | 819 | void embeddedcode::print (ostream &o) const |
54dfabe9 FCE |
820 | { |
821 | o << "%{"; | |
822 | o << code; | |
823 | o << "%}"; | |
824 | } | |
825 | ||
cc9ee605 | 826 | void block::print (ostream& o) const |
56099f08 FCE |
827 | { |
828 | o << "{" << endl; | |
829 | for (unsigned i=0; i<statements.size(); i++) | |
69c68955 | 830 | o << *statements [i] << endl; |
bb2e3076 | 831 | o << "}"; |
56099f08 FCE |
832 | } |
833 | ||
ba6f838d FCE |
834 | block::block (statement* car, statement* cdr) |
835 | { | |
836 | statements.push_back(car); | |
837 | statements.push_back(cdr); | |
838 | this->tok = car->tok; | |
839 | } | |
840 | ||
841 | ||
56099f08 | 842 | |
cc9ee605 | 843 | void for_loop::print (ostream& o) const |
56099f08 | 844 | { |
f3c26ea5 | 845 | o << "for ("; |
cbfbbf69 | 846 | if (init) init->print (o); |
f3c26ea5 FCE |
847 | o << "; "; |
848 | cond->print (o); | |
849 | o << "; "; | |
cbfbbf69 | 850 | if (incr) incr->print (o); |
bb2e3076 | 851 | o << ") "; |
f3c26ea5 | 852 | block->print (o); |
56099f08 FCE |
853 | } |
854 | ||
855 | ||
cc9ee605 | 856 | void foreach_loop::print (ostream& o) const |
69c68955 FCE |
857 | { |
858 | o << "foreach (["; | |
859 | for (unsigned i=0; i<indexes.size(); i++) | |
860 | { | |
861 | if (i > 0) o << ", "; | |
862 | indexes[i]->print (o); | |
93484556 FCE |
863 | if (sort_direction != 0 && sort_column == i+1) |
864 | o << (sort_direction > 0 ? "+" : "-"); | |
69c68955 | 865 | } |
a9c62ac9 FCE |
866 | o << "] in "; |
867 | base->print_indexable (o); | |
93484556 FCE |
868 | if (sort_direction != 0 && sort_column == 0) |
869 | o << (sort_direction > 0 ? "+" : "-"); | |
27f21e8c DS |
870 | if (limit) |
871 | { | |
872 | o << " limit "; | |
873 | limit->print (o); | |
874 | } | |
93484556 | 875 | o << ") "; |
69c68955 FCE |
876 | block->print (o); |
877 | } | |
878 | ||
879 | ||
cc9ee605 | 880 | void null_statement::print (ostream& o) const |
56099f08 | 881 | { |
dff50e09 | 882 | o << ";"; |
56099f08 FCE |
883 | } |
884 | ||
885 | ||
cc9ee605 | 886 | void expr_statement::print (ostream& o) const |
56099f08 FCE |
887 | { |
888 | o << *value; | |
889 | } | |
890 | ||
891 | ||
cc9ee605 | 892 | void return_statement::print (ostream& o) const |
56099f08 FCE |
893 | { |
894 | o << "return " << *value; | |
895 | } | |
896 | ||
897 | ||
cc9ee605 | 898 | void delete_statement::print (ostream& o) const |
56099f08 FCE |
899 | { |
900 | o << "delete " << *value; | |
901 | } | |
902 | ||
cc9ee605 | 903 | void next_statement::print (ostream& o) const |
f3c26ea5 FCE |
904 | { |
905 | o << "next"; | |
906 | } | |
907 | ||
cc9ee605 | 908 | void break_statement::print (ostream& o) const |
f3c26ea5 FCE |
909 | { |
910 | o << "break"; | |
911 | } | |
912 | ||
cc9ee605 | 913 | void continue_statement::print (ostream& o) const |
f3c26ea5 FCE |
914 | { |
915 | o << "continue"; | |
916 | } | |
56099f08 | 917 | |
cc9ee605 | 918 | void if_statement::print (ostream& o) const |
56099f08 | 919 | { |
bb2e3076 | 920 | o << "if (" << *condition << ") " |
56099f08 FCE |
921 | << *thenblock << endl; |
922 | if (elseblock) | |
923 | o << "else " << *elseblock << endl; | |
924 | } | |
925 | ||
926 | ||
cc9ee605 | 927 | void stapfile::print (ostream& o) const |
56099f08 FCE |
928 | { |
929 | o << "# file " << name << endl; | |
930 | ||
54dfabe9 FCE |
931 | for (unsigned i=0; i<embeds.size(); i++) |
932 | embeds[i]->print (o); | |
933 | ||
bed7c0af FCE |
934 | for (unsigned i=0; i<globals.size(); i++) |
935 | { | |
936 | o << "global "; | |
937 | globals[i]->print (o); | |
938 | o << endl; | |
939 | } | |
940 | ||
20c6c071 GH |
941 | for (unsigned i=0; i<aliases.size(); i++) |
942 | { | |
943 | aliases[i]->print (o); | |
944 | o << endl; | |
945 | } | |
946 | ||
bed7c0af | 947 | for (unsigned i=0; i<probes.size(); i++) |
56099f08 FCE |
948 | { |
949 | probes[i]->print (o); | |
950 | o << endl; | |
951 | } | |
952 | ||
953 | for (unsigned j = 0; j < functions.size(); j++) | |
954 | { | |
955 | functions[j]->print (o); | |
956 | o << endl; | |
957 | } | |
958 | } | |
959 | ||
960 | ||
cc9ee605 | 961 | void probe::print (ostream& o) const |
56099f08 FCE |
962 | { |
963 | o << "probe "; | |
40a1cb62 FCE |
964 | printsig (o); |
965 | o << *body; | |
966 | } | |
967 | ||
968 | ||
cc9ee605 | 969 | void probe::printsig (ostream& o) const |
40a1cb62 | 970 | { |
77b2151e DB |
971 | const probe_alias *alias = get_alias (); |
972 | if (alias) | |
973 | { | |
974 | alias->printsig (o); | |
975 | return; | |
976 | } | |
dff50e09 | 977 | |
9c0c0e46 | 978 | for (unsigned i=0; i<locations.size(); i++) |
56099f08 | 979 | { |
65aeaea0 | 980 | if (i > 0) o << ","; |
9c0c0e46 | 981 | locations[i]->print (o); |
56099f08 | 982 | } |
56099f08 FCE |
983 | } |
984 | ||
985 | ||
c3a3c0c9 | 986 | void |
2c5a19c6 | 987 | probe::collect_derivation_chain (std::vector<probe*> &probes_list) |
c3a3c0c9 | 988 | { |
2c5a19c6 | 989 | probes_list.push_back(this); |
c3a3c0c9 WC |
990 | } |
991 | ||
992 | ||
cc9ee605 | 993 | void probe_point::print (ostream& o) const |
56099f08 | 994 | { |
9c0c0e46 FCE |
995 | for (unsigned i=0; i<components.size(); i++) |
996 | { | |
997 | if (i>0) o << "."; | |
998 | probe_point::component* c = components[i]; | |
999 | o << c->functor; | |
1000 | if (c->arg) | |
1001 | o << "(" << *c->arg << ")"; | |
1002 | } | |
d898100a FCE |
1003 | if (sufficient) |
1004 | o << "!"; | |
1005 | else if (optional) // sufficient implies optional | |
6e3347a9 | 1006 | o << "?"; |
cbbe8080 MH |
1007 | if (condition) |
1008 | o<< " if (" << *condition << ")"; | |
c3a3c0c9 WC |
1009 | } |
1010 | ||
1011 | string probe_point::str () | |
1012 | { | |
1013 | ostringstream o; | |
1014 | for (unsigned i=0; i<components.size(); i++) | |
1015 | { | |
1016 | if (i>0) o << "."; | |
1017 | probe_point::component* c = components[i]; | |
1018 | o << c->functor; | |
1019 | if (c->arg) | |
1020 | o << "(" << *c->arg << ")"; | |
1021 | } | |
d898100a FCE |
1022 | if (sufficient) |
1023 | o << "!"; | |
1024 | else if (optional) // sufficient implies optional | |
c3a3c0c9 | 1025 | o << "?"; |
cbbe8080 MH |
1026 | if (condition) |
1027 | o<< " if (" << *condition << ")"; | |
c3a3c0c9 | 1028 | return o.str(); |
56099f08 FCE |
1029 | } |
1030 | ||
cc9ee605 | 1031 | |
20c6c071 GH |
1032 | probe_alias::probe_alias(std::vector<probe_point*> const & aliases): |
1033 | probe (), alias_names (aliases) | |
1034 | { | |
1035 | } | |
1036 | ||
cc9ee605 | 1037 | void probe_alias::printsig (ostream& o) const |
20c6c071 GH |
1038 | { |
1039 | for (unsigned i=0; i<alias_names.size(); i++) | |
1040 | { | |
1041 | o << (i>0 ? " = " : ""); | |
1042 | alias_names[i]->print (o); | |
1043 | } | |
5227f1ea | 1044 | o << " = "; |
20c6c071 GH |
1045 | for (unsigned i=0; i<locations.size(); i++) |
1046 | { | |
d898100a | 1047 | if (i > 0) o << ", "; |
20c6c071 GH |
1048 | locations[i]->print (o); |
1049 | } | |
1050 | } | |
1051 | ||
56099f08 | 1052 | |
cc9ee605 | 1053 | ostream& operator << (ostream& o, const probe_point& k) |
82919855 FCE |
1054 | { |
1055 | k.print (o); | |
1056 | return o; | |
1057 | } | |
1058 | ||
1059 | ||
cc9ee605 | 1060 | ostream& operator << (ostream& o, const symboldecl& k) |
56099f08 FCE |
1061 | { |
1062 | k.print (o); | |
1063 | return o; | |
1064 | } | |
1065 | ||
1066 | ||
82919855 FCE |
1067 | |
1068 | // ------------------------------------------------------------------------ | |
1069 | // visitors | |
1070 | ||
1071 | ||
1072 | void | |
1073 | block::visit (visitor* u) | |
1074 | { | |
1075 | u->visit_block (this); | |
1076 | } | |
1077 | ||
54dfabe9 FCE |
1078 | |
1079 | void | |
1080 | embeddedcode::visit (visitor* u) | |
1081 | { | |
1082 | u->visit_embeddedcode (this); | |
1083 | } | |
1084 | ||
1085 | ||
82919855 FCE |
1086 | void |
1087 | for_loop::visit (visitor* u) | |
1088 | { | |
1089 | u->visit_for_loop (this); | |
1090 | } | |
1091 | ||
69c68955 FCE |
1092 | void |
1093 | foreach_loop::visit (visitor* u) | |
1094 | { | |
1095 | u->visit_foreach_loop (this); | |
1096 | } | |
1097 | ||
82919855 FCE |
1098 | void |
1099 | null_statement::visit (visitor* u) | |
1100 | { | |
1101 | u->visit_null_statement (this); | |
1102 | } | |
1103 | ||
1104 | void | |
1105 | expr_statement::visit (visitor* u) | |
1106 | { | |
1107 | u->visit_expr_statement (this); | |
1108 | } | |
1109 | ||
1110 | void | |
1111 | return_statement::visit (visitor* u) | |
1112 | { | |
1113 | u->visit_return_statement (this); | |
1114 | } | |
1115 | ||
1116 | void | |
1117 | delete_statement::visit (visitor* u) | |
1118 | { | |
d7f3e0c5 | 1119 | u->push_active_lvalue (this->value); |
82919855 | 1120 | u->visit_delete_statement (this); |
d7f3e0c5 | 1121 | u->pop_active_lvalue (); |
82919855 FCE |
1122 | } |
1123 | ||
1124 | void | |
1125 | if_statement::visit (visitor* u) | |
1126 | { | |
1127 | u->visit_if_statement (this); | |
1128 | } | |
1129 | ||
f3c26ea5 FCE |
1130 | void |
1131 | next_statement::visit (visitor* u) | |
1132 | { | |
1133 | u->visit_next_statement (this); | |
1134 | } | |
1135 | ||
1136 | void | |
1137 | break_statement::visit (visitor* u) | |
1138 | { | |
1139 | u->visit_break_statement (this); | |
1140 | } | |
1141 | ||
1142 | void | |
1143 | continue_statement::visit (visitor* u) | |
1144 | { | |
1145 | u->visit_continue_statement (this); | |
1146 | } | |
1147 | ||
82919855 FCE |
1148 | void |
1149 | literal_string::visit(visitor* u) | |
1150 | { | |
1151 | u->visit_literal_string (this); | |
1152 | } | |
1153 | ||
1154 | void | |
1155 | literal_number::visit(visitor* u) | |
1156 | { | |
1157 | u->visit_literal_number (this); | |
1158 | } | |
1159 | ||
1160 | void | |
1161 | binary_expression::visit (visitor* u) | |
1162 | { | |
1163 | u->visit_binary_expression (this); | |
1164 | } | |
1165 | ||
1166 | void | |
1167 | unary_expression::visit (visitor* u) | |
1168 | { | |
1169 | u->visit_unary_expression (this); | |
1170 | } | |
1171 | ||
1172 | void | |
1173 | pre_crement::visit (visitor* u) | |
1174 | { | |
d7f3e0c5 | 1175 | u->push_active_lvalue (this->operand); |
82919855 | 1176 | u->visit_pre_crement (this); |
d7f3e0c5 | 1177 | u->pop_active_lvalue (); |
82919855 FCE |
1178 | } |
1179 | ||
1180 | void | |
1181 | post_crement::visit (visitor* u) | |
1182 | { | |
d7f3e0c5 | 1183 | u->push_active_lvalue (this->operand); |
82919855 | 1184 | u->visit_post_crement (this); |
d7f3e0c5 | 1185 | u->pop_active_lvalue (); |
82919855 FCE |
1186 | } |
1187 | ||
1188 | void | |
1189 | logical_or_expr::visit (visitor* u) | |
1190 | { | |
1191 | u->visit_logical_or_expr (this); | |
1192 | } | |
1193 | ||
1194 | void | |
1195 | logical_and_expr::visit (visitor* u) | |
1196 | { | |
1197 | u->visit_logical_and_expr (this); | |
1198 | } | |
1199 | ||
1200 | void | |
1201 | array_in::visit (visitor* u) | |
1202 | { | |
1203 | u->visit_array_in (this); | |
1204 | } | |
1205 | ||
1206 | void | |
1207 | comparison::visit (visitor* u) | |
1208 | { | |
1209 | u->visit_comparison (this); | |
1210 | } | |
1211 | ||
1212 | void | |
1213 | concatenation::visit (visitor* u) | |
1214 | { | |
1215 | u->visit_concatenation (this); | |
1216 | } | |
1217 | ||
82919855 FCE |
1218 | void |
1219 | ternary_expression::visit (visitor* u) | |
1220 | { | |
1221 | u->visit_ternary_expression (this); | |
1222 | } | |
1223 | ||
1224 | void | |
1225 | assignment::visit (visitor* u) | |
1226 | { | |
d7f3e0c5 | 1227 | u->push_active_lvalue (this->left); |
82919855 | 1228 | u->visit_assignment (this); |
d7f3e0c5 | 1229 | u->pop_active_lvalue (); |
82919855 FCE |
1230 | } |
1231 | ||
1232 | void | |
1233 | symbol::visit (visitor* u) | |
1234 | { | |
1235 | u->visit_symbol (this); | |
1236 | } | |
1237 | ||
dff50e09 | 1238 | void |
d7f3e0c5 GH |
1239 | target_symbol::visit (visitor* u) |
1240 | { | |
1241 | u->visit_target_symbol(this); | |
1242 | } | |
1243 | ||
9b5af295 JS |
1244 | void |
1245 | cast_op::visit (visitor* u) | |
1246 | { | |
1247 | u->visit_cast_op(this); | |
1248 | } | |
1249 | ||
82919855 FCE |
1250 | void |
1251 | arrayindex::visit (visitor* u) | |
1252 | { | |
1253 | u->visit_arrayindex (this); | |
1254 | } | |
1255 | ||
1256 | void | |
1257 | functioncall::visit (visitor* u) | |
1258 | { | |
1259 | u->visit_functioncall (this); | |
1260 | } | |
1261 | ||
d02548c0 GH |
1262 | void |
1263 | print_format::visit (visitor *u) | |
1264 | { | |
1265 | u->visit_print_format (this); | |
1266 | } | |
1267 | ||
1268 | void | |
1269 | stat_op::visit (visitor *u) | |
1270 | { | |
1271 | u->visit_stat_op (this); | |
1272 | } | |
1273 | ||
1274 | void | |
1275 | hist_op::visit (visitor *u) | |
1276 | { | |
1277 | u->visit_hist_op (this); | |
1278 | } | |
1279 | ||
dff50e09 | 1280 | void |
d02548c0 GH |
1281 | indexable::print_indexable (std::ostream& o) const |
1282 | { | |
1283 | const symbol *sym; | |
1284 | const hist_op *hist; | |
1285 | classify_const_indexable(this, sym, hist); | |
1286 | if (sym) | |
1287 | sym->print (o); | |
1288 | else | |
1289 | { | |
1290 | assert (hist); | |
1291 | hist->print (o); | |
dff50e09 | 1292 | } |
d02548c0 GH |
1293 | } |
1294 | ||
dff50e09 | 1295 | void |
d02548c0 GH |
1296 | indexable::visit_indexable (visitor* u) |
1297 | { | |
1298 | symbol *sym; | |
1299 | hist_op *hist; | |
1300 | classify_indexable(this, sym, hist); | |
1301 | if (sym) | |
1302 | sym->visit (u); | |
1303 | else | |
1304 | { | |
1305 | assert (hist); | |
1306 | hist->visit (u); | |
1307 | } | |
1308 | } | |
1309 | ||
1310 | ||
dff50e09 | 1311 | bool |
d02548c0 GH |
1312 | indexable::is_symbol(symbol *& sym_out) |
1313 | { | |
1314 | sym_out = NULL; | |
1315 | return false; | |
1316 | } | |
1317 | ||
dff50e09 | 1318 | bool |
d02548c0 GH |
1319 | indexable::is_hist_op(hist_op *& hist_out) |
1320 | { | |
1321 | hist_out = NULL; | |
1322 | return false; | |
1323 | } | |
1324 | ||
dff50e09 | 1325 | bool |
d02548c0 GH |
1326 | indexable::is_const_symbol(const symbol *& sym_out) const |
1327 | { | |
1328 | sym_out = NULL; | |
1329 | return false; | |
1330 | } | |
1331 | ||
dff50e09 | 1332 | bool |
d02548c0 GH |
1333 | indexable::is_const_hist_op(const hist_op *& hist_out) const |
1334 | { | |
1335 | hist_out = NULL; | |
1336 | return false; | |
1337 | } | |
1338 | ||
dff50e09 | 1339 | bool |
d02548c0 GH |
1340 | symbol::is_symbol(symbol *& sym_out) |
1341 | { | |
1342 | sym_out = this; | |
1343 | return true; | |
1344 | } | |
1345 | ||
dff50e09 | 1346 | bool |
d02548c0 GH |
1347 | symbol::is_const_symbol(const symbol *& sym_out) const |
1348 | { | |
1349 | sym_out = this; | |
1350 | return true; | |
1351 | } | |
1352 | ||
1353 | const token * | |
1354 | symbol::get_tok() const | |
1355 | { | |
1356 | return tok; | |
1357 | } | |
1358 | ||
dff50e09 | 1359 | bool |
d02548c0 GH |
1360 | hist_op::is_hist_op(hist_op *& hist_out) |
1361 | { | |
1362 | hist_out = this; | |
1363 | return true; | |
1364 | } | |
1365 | ||
dff50e09 | 1366 | bool |
d02548c0 GH |
1367 | hist_op::is_const_hist_op(const hist_op *& hist_out) const |
1368 | { | |
1369 | hist_out = this; | |
1370 | return true; | |
1371 | } | |
1372 | ||
1373 | const token * | |
1374 | hist_op::get_tok() const | |
1375 | { | |
1376 | return tok; | |
1377 | } | |
1378 | ||
1379 | void | |
1380 | classify_indexable(indexable* ix, | |
1381 | symbol *& array_out, | |
dff50e09 | 1382 | hist_op *& hist_out) |
d02548c0 GH |
1383 | { |
1384 | array_out = NULL; | |
1385 | hist_out = NULL; | |
1386 | if (!(ix->is_symbol (array_out) || ix->is_hist_op (hist_out))) | |
1387 | throw semantic_error("Expecting symbol or histogram operator", ix->get_tok()); | |
1388 | if (ix && !(hist_out || array_out)) | |
1389 | throw semantic_error("Failed to classify indexable", ix->get_tok()); | |
1390 | } | |
1391 | ||
1392 | void | |
1393 | classify_const_indexable(const indexable* ix, | |
1394 | const symbol *& array_out, | |
dff50e09 | 1395 | const hist_op *& hist_out) |
d02548c0 GH |
1396 | { |
1397 | array_out = NULL; | |
1398 | hist_out = NULL; | |
1399 | if (!(ix->is_const_symbol(array_out) || ix->is_const_hist_op(hist_out))) | |
1400 | throw semantic_error("Expecting symbol or histogram operator", ix->get_tok()); | |
1401 | } | |
1402 | ||
d7f3e0c5 GH |
1403 | // ------------------------------------------------------------------------ |
1404 | ||
dff50e09 | 1405 | bool |
d7f3e0c5 GH |
1406 | visitor::is_active_lvalue(expression *e) |
1407 | { | |
1408 | for (unsigned i = 0; i < active_lvalues.size(); ++i) | |
1409 | { | |
1410 | if (active_lvalues[i] == e) | |
1411 | return true; | |
1412 | } | |
1413 | return false; | |
1414 | } | |
1415 | ||
dff50e09 | 1416 | void |
d7f3e0c5 GH |
1417 | visitor::push_active_lvalue(expression *e) |
1418 | { | |
1419 | active_lvalues.push_back(e); | |
1420 | } | |
1421 | ||
dff50e09 | 1422 | void |
d7f3e0c5 GH |
1423 | visitor::pop_active_lvalue() |
1424 | { | |
1425 | assert(!active_lvalues.empty()); | |
1426 | active_lvalues.pop_back(); | |
1427 | } | |
1428 | ||
1429 | ||
82919855 FCE |
1430 | |
1431 | // ------------------------------------------------------------------------ | |
1432 | ||
1433 | void | |
54dfabe9 | 1434 | traversing_visitor::visit_block (block* s) |
82919855 FCE |
1435 | { |
1436 | for (unsigned i=0; i<s->statements.size(); i++) | |
1437 | s->statements[i]->visit (this); | |
1438 | } | |
1439 | ||
1440 | void | |
78f6bba6 | 1441 | traversing_visitor::visit_embeddedcode (embeddedcode*) |
54dfabe9 FCE |
1442 | { |
1443 | } | |
1444 | ||
1445 | void | |
78f6bba6 | 1446 | traversing_visitor::visit_null_statement (null_statement*) |
82919855 FCE |
1447 | { |
1448 | } | |
1449 | ||
1450 | void | |
54dfabe9 | 1451 | traversing_visitor::visit_expr_statement (expr_statement* s) |
82919855 FCE |
1452 | { |
1453 | s->value->visit (this); | |
1454 | } | |
1455 | ||
1456 | void | |
1457 | traversing_visitor::visit_if_statement (if_statement* s) | |
1458 | { | |
1459 | s->condition->visit (this); | |
1460 | s->thenblock->visit (this); | |
2b066ec1 FCE |
1461 | if (s->elseblock) |
1462 | s->elseblock->visit (this); | |
82919855 FCE |
1463 | } |
1464 | ||
1465 | void | |
1466 | traversing_visitor::visit_for_loop (for_loop* s) | |
1467 | { | |
cbfbbf69 | 1468 | if (s->init) s->init->visit (this); |
82919855 | 1469 | s->cond->visit (this); |
cbfbbf69 | 1470 | if (s->incr) s->incr->visit (this); |
82919855 FCE |
1471 | s->block->visit (this); |
1472 | } | |
1473 | ||
69c68955 FCE |
1474 | void |
1475 | traversing_visitor::visit_foreach_loop (foreach_loop* s) | |
1476 | { | |
dff50e09 | 1477 | symbol *array = NULL; |
71572ba8 GH |
1478 | hist_op *hist = NULL; |
1479 | classify_indexable (s->base, array, hist); | |
1480 | if (array) | |
1481 | array->visit(this); | |
1482 | else | |
1483 | hist->visit(this); | |
1484 | ||
69c68955 FCE |
1485 | for (unsigned i=0; i<s->indexes.size(); i++) |
1486 | s->indexes[i]->visit (this); | |
27f21e8c DS |
1487 | |
1488 | if (s->limit) | |
1489 | s->limit->visit (this); | |
1490 | ||
69c68955 FCE |
1491 | s->block->visit (this); |
1492 | } | |
1493 | ||
82919855 FCE |
1494 | void |
1495 | traversing_visitor::visit_return_statement (return_statement* s) | |
1496 | { | |
1497 | s->value->visit (this); | |
1498 | } | |
1499 | ||
1500 | void | |
1501 | traversing_visitor::visit_delete_statement (delete_statement* s) | |
1502 | { | |
1503 | s->value->visit (this); | |
1504 | } | |
1505 | ||
f3c26ea5 | 1506 | void |
78f6bba6 | 1507 | traversing_visitor::visit_next_statement (next_statement*) |
f3c26ea5 FCE |
1508 | { |
1509 | } | |
1510 | ||
1511 | void | |
78f6bba6 | 1512 | traversing_visitor::visit_break_statement (break_statement*) |
f3c26ea5 FCE |
1513 | { |
1514 | } | |
1515 | ||
1516 | void | |
78f6bba6 | 1517 | traversing_visitor::visit_continue_statement (continue_statement*) |
f3c26ea5 FCE |
1518 | { |
1519 | } | |
1520 | ||
82919855 | 1521 | void |
78f6bba6 | 1522 | traversing_visitor::visit_literal_string (literal_string*) |
82919855 FCE |
1523 | { |
1524 | } | |
1525 | ||
1526 | void | |
78f6bba6 | 1527 | traversing_visitor::visit_literal_number (literal_number*) |
82919855 FCE |
1528 | { |
1529 | } | |
1530 | ||
1531 | void | |
1532 | traversing_visitor::visit_binary_expression (binary_expression* e) | |
1533 | { | |
1534 | e->left->visit (this); | |
1535 | e->right->visit (this); | |
1536 | } | |
1537 | ||
1538 | void | |
1539 | traversing_visitor::visit_unary_expression (unary_expression* e) | |
1540 | { | |
1541 | e->operand->visit (this); | |
1542 | } | |
1543 | ||
1544 | void | |
1545 | traversing_visitor::visit_pre_crement (pre_crement* e) | |
1546 | { | |
1547 | e->operand->visit (this); | |
1548 | } | |
1549 | ||
1550 | void | |
1551 | traversing_visitor::visit_post_crement (post_crement* e) | |
1552 | { | |
1553 | e->operand->visit (this); | |
1554 | } | |
1555 | ||
1556 | ||
1557 | void | |
1558 | traversing_visitor::visit_logical_or_expr (logical_or_expr* e) | |
1559 | { | |
1560 | e->left->visit (this); | |
1561 | e->right->visit (this); | |
1562 | } | |
1563 | ||
1564 | void | |
1565 | traversing_visitor::visit_logical_and_expr (logical_and_expr* e) | |
1566 | { | |
1567 | e->left->visit (this); | |
1568 | e->right->visit (this); | |
1569 | } | |
1570 | ||
1571 | void | |
1572 | traversing_visitor::visit_array_in (array_in* e) | |
1573 | { | |
ce10591c | 1574 | e->operand->visit (this); |
82919855 FCE |
1575 | } |
1576 | ||
1577 | void | |
1578 | traversing_visitor::visit_comparison (comparison* e) | |
1579 | { | |
1580 | e->left->visit (this); | |
1581 | e->right->visit (this); | |
1582 | } | |
1583 | ||
1584 | void | |
1585 | traversing_visitor::visit_concatenation (concatenation* e) | |
1586 | { | |
1587 | e->left->visit (this); | |
1588 | e->right->visit (this); | |
1589 | } | |
1590 | ||
82919855 FCE |
1591 | void |
1592 | traversing_visitor::visit_ternary_expression (ternary_expression* e) | |
1593 | { | |
1594 | e->cond->visit (this); | |
1595 | e->truevalue->visit (this); | |
1596 | e->falsevalue->visit (this); | |
1597 | } | |
1598 | ||
1599 | void | |
1600 | traversing_visitor::visit_assignment (assignment* e) | |
1601 | { | |
1602 | e->left->visit (this); | |
1603 | e->right->visit (this); | |
1604 | } | |
1605 | ||
1606 | void | |
78f6bba6 | 1607 | traversing_visitor::visit_symbol (symbol*) |
82919855 FCE |
1608 | { |
1609 | } | |
1610 | ||
d7f3e0c5 | 1611 | void |
78f6bba6 | 1612 | traversing_visitor::visit_target_symbol (target_symbol*) |
d7f3e0c5 GH |
1613 | { |
1614 | } | |
1615 | ||
9b5af295 JS |
1616 | void |
1617 | traversing_visitor::visit_cast_op (cast_op* e) | |
1618 | { | |
1619 | e->operand->visit (this); | |
1620 | } | |
1621 | ||
82919855 FCE |
1622 | void |
1623 | traversing_visitor::visit_arrayindex (arrayindex* e) | |
1624 | { | |
cbfbbf69 FCE |
1625 | for (unsigned i=0; i<e->indexes.size(); i++) |
1626 | e->indexes[i]->visit (this); | |
1627 | ||
1bbeef03 GH |
1628 | symbol *array = NULL; |
1629 | hist_op *hist = NULL; | |
1630 | classify_indexable(e->base, array, hist); | |
1631 | if (array) | |
1632 | return array->visit(this); | |
1633 | else | |
1634 | return hist->visit(this); | |
82919855 FCE |
1635 | } |
1636 | ||
1637 | void | |
1638 | traversing_visitor::visit_functioncall (functioncall* e) | |
1639 | { | |
1640 | for (unsigned i=0; i<e->args.size(); i++) | |
1641 | e->args[i]->visit (this); | |
1642 | } | |
1643 | ||
d02548c0 GH |
1644 | void |
1645 | traversing_visitor::visit_print_format (print_format* e) | |
1646 | { | |
1647 | for (unsigned i=0; i<e->args.size(); i++) | |
1648 | e->args[i]->visit (this); | |
a4636912 GH |
1649 | if (e->hist) |
1650 | e->hist->visit(this); | |
d02548c0 GH |
1651 | } |
1652 | ||
1653 | void | |
1654 | traversing_visitor::visit_stat_op (stat_op* e) | |
1655 | { | |
1656 | e->stat->visit (this); | |
1657 | } | |
1658 | ||
1659 | void | |
1660 | traversing_visitor::visit_hist_op (hist_op* e) | |
1661 | { | |
1662 | e->stat->visit (this); | |
1663 | } | |
1664 | ||
82919855 | 1665 | |
cbfbbf69 | 1666 | void |
dff50e09 | 1667 | functioncall_traversing_visitor::visit_functioncall (functioncall* e) |
cbfbbf69 FCE |
1668 | { |
1669 | traversing_visitor::visit_functioncall (e); | |
1670 | ||
1671 | // prevent infinite recursion | |
1672 | if (traversed.find (e->referent) == traversed.end ()) | |
1673 | { | |
1674 | traversed.insert (e->referent); | |
1675 | // recurse | |
3066c15c FCE |
1676 | functiondecl* last_current_function = current_function; |
1677 | current_function = e->referent; | |
cbfbbf69 | 1678 | e->referent->body->visit (this); |
3066c15c | 1679 | current_function = last_current_function; |
cbfbbf69 FCE |
1680 | } |
1681 | } | |
1682 | ||
1683 | ||
1684 | void | |
1685 | varuse_collecting_visitor::visit_embeddedcode (embeddedcode *s) | |
1686 | { | |
1b07c728 FCE |
1687 | // We want to elide embedded-C functions when possible. For |
1688 | // example, each $target variable access is expanded to an | |
1689 | // embedded-C function call. Yet, for safety reasons, we should | |
1690 | // presume that embedded-C functions have intentional side-effects. | |
1691 | // | |
1692 | // To tell these two types of functions apart, we apply a | |
1693 | // Kludge(tm): we look for a magic string within the function body. | |
1694 | // $target variables as rvalues will have this; lvalues won't. | |
1695 | // Also, explicit side-effect-free tapset functions will have this. | |
dff50e09 | 1696 | |
3066c15c | 1697 | assert (current_function); // only they get embedded code |
1b07c728 | 1698 | if (s->code.find ("/* pure */") != string::npos) |
3066c15c FCE |
1699 | return; |
1700 | ||
cbfbbf69 FCE |
1701 | embedded_seen = true; |
1702 | } | |
1703 | ||
b0be9bdb FCE |
1704 | void |
1705 | varuse_collecting_visitor::visit_target_symbol (target_symbol *e) | |
1706 | { | |
1707 | // Still-unresolved target symbol assignments get treated as | |
1708 | // generating side-effects like embedded-C, to prevent premature | |
1709 | // elision and later error message suppression (PR5516). rvalue use | |
1710 | // of unresolved target symbols is OTOH not considered a side-effect. | |
1711 | ||
1712 | if (is_active_lvalue (e)) | |
1713 | embedded_seen = true; | |
1714 | } | |
cbfbbf69 | 1715 | |
9b5af295 JS |
1716 | void |
1717 | varuse_collecting_visitor::visit_cast_op (cast_op *e) | |
1718 | { | |
1719 | // As with target_symbols, unresolved cast assignments need to preserved | |
1720 | // for later error handling. | |
1721 | if (is_active_lvalue (e)) | |
1722 | embedded_seen = true; | |
1723 | ||
1724 | functioncall_traversing_visitor::visit_cast_op (e); | |
1725 | } | |
1726 | ||
cbfbbf69 FCE |
1727 | void |
1728 | varuse_collecting_visitor::visit_print_format (print_format* e) | |
1729 | { | |
1730 | // NB: Instead of being top-level statements, "print" and "printf" | |
1731 | // are implemented as statement-expressions containing a | |
1732 | // print_format. They have side-effects, but not via the | |
dff50e09 | 1733 | // embedded-code detection method above. |
1b07c728 FCE |
1734 | // |
1735 | // But sprint and sprintf don't have side-effects. | |
1736 | ||
1737 | if (e->print_to_stream) | |
1738 | embedded_seen = true; // a proxy for "has unknown side-effects" | |
1739 | ||
cbfbbf69 FCE |
1740 | functioncall_traversing_visitor::visit_print_format (e); |
1741 | } | |
1742 | ||
1743 | ||
1744 | void | |
1745 | varuse_collecting_visitor::visit_assignment (assignment *e) | |
1746 | { | |
1747 | if (e->op == "=" || e->op == "<<<") // pure writes | |
1748 | { | |
3066c15c | 1749 | expression* last_lvalue = current_lvalue; |
cbfbbf69 FCE |
1750 | current_lvalue = e->left; // leave a mark for ::visit_symbol |
1751 | functioncall_traversing_visitor::visit_assignment (e); | |
1752 | current_lvalue = last_lvalue; | |
1753 | } | |
1754 | else // read-modify-writes | |
1755 | { | |
1756 | expression* last_lrvalue = current_lrvalue; | |
1757 | current_lrvalue = e->left; // leave a mark for ::visit_symbol | |
1758 | functioncall_traversing_visitor::visit_assignment (e); | |
1759 | current_lrvalue = last_lrvalue; | |
1760 | } | |
1761 | } | |
1762 | ||
1763 | void | |
1764 | varuse_collecting_visitor::visit_symbol (symbol *e) | |
1765 | { | |
1766 | if (e->referent == 0) | |
1767 | throw semantic_error ("symbol without referent", e->tok); | |
1768 | ||
d0c4107b FCE |
1769 | // We could handle initialized globals by marking them as "written". |
1770 | // However, this current visitor may be called for a function or | |
1771 | // probe body, from the point of view of which this global is | |
1772 | // already initialized, so not written. | |
1773 | /* | |
27d24ae2 FCE |
1774 | if (e->referent->init) |
1775 | written.insert (e->referent); | |
d0c4107b | 1776 | */ |
27d24ae2 | 1777 | |
cbfbbf69 FCE |
1778 | if (current_lvalue == e || current_lrvalue == e) |
1779 | { | |
1780 | written.insert (e->referent); | |
1781 | // clog << "write "; | |
1782 | } | |
1783 | if (current_lvalue != e || current_lrvalue == e) | |
1784 | { | |
1785 | read.insert (e->referent); | |
1786 | // clog << "read "; | |
1787 | } | |
1788 | // clog << *e->tok << endl; | |
1789 | } | |
1790 | ||
1791 | // NB: stat_op need not be overridden, since it will get to | |
1792 | // visit_symbol and only as a possible rvalue. | |
1793 | ||
d20fd9e9 | 1794 | |
cbfbbf69 FCE |
1795 | void |
1796 | varuse_collecting_visitor::visit_arrayindex (arrayindex *e) | |
1797 | { | |
1798 | // Hooking this callback is necessary because of the hacky | |
1799 | // statistics representation. For the expression "i[4] = 5", the | |
1800 | // incoming lvalue will point to this arrayindex. However, the | |
1801 | // symbol corresponding to the "i[4]" is multiply inherited with | |
1802 | // arrayindex. If the symbol base part of this object is not at | |
1803 | // offset 0, then static_cast<symbol*>(e) may result in a different | |
1804 | // address, and not match lvalue by number when we recurse that way. | |
1805 | // So we explicitly override the incoming lvalue/lrvalue values to | |
1806 | // point at the embedded objects' actual base addresses. | |
1807 | ||
1808 | expression* last_lrvalue = current_lrvalue; | |
1809 | expression* last_lvalue = current_lvalue; | |
1810 | ||
1811 | symbol *array = NULL; | |
1812 | hist_op *hist = NULL; | |
1813 | classify_indexable(e->base, array, hist); | |
1814 | ||
1815 | if (array) | |
1816 | { | |
1817 | if (current_lrvalue == e) current_lrvalue = array; | |
1818 | if (current_lvalue == e) current_lvalue = array; | |
1819 | functioncall_traversing_visitor::visit_arrayindex (e); | |
1820 | } | |
1821 | else // if (hist) | |
1822 | { | |
1823 | if (current_lrvalue == e) current_lrvalue = hist->stat; | |
1824 | if (current_lvalue == e) current_lvalue = hist->stat; | |
1825 | functioncall_traversing_visitor::visit_arrayindex (e); | |
1826 | } | |
1827 | ||
1828 | current_lrvalue = last_lrvalue; | |
1829 | current_lvalue = last_lvalue; | |
1830 | } | |
1831 | ||
1832 | ||
1833 | void | |
1834 | varuse_collecting_visitor::visit_pre_crement (pre_crement *e) | |
1835 | { | |
1836 | expression* last_lrvalue = current_lrvalue; | |
1837 | current_lrvalue = e->operand; // leave a mark for ::visit_symbol | |
1838 | functioncall_traversing_visitor::visit_pre_crement (e); | |
1839 | current_lrvalue = last_lrvalue; | |
1840 | } | |
1841 | ||
1842 | void | |
1843 | varuse_collecting_visitor::visit_post_crement (post_crement *e) | |
1844 | { | |
1845 | expression* last_lrvalue = current_lrvalue; | |
1846 | current_lrvalue = e->operand; // leave a mark for ::visit_symbol | |
1847 | functioncall_traversing_visitor::visit_post_crement (e); | |
1848 | current_lrvalue = last_lrvalue; | |
1849 | } | |
1850 | ||
3066c15c FCE |
1851 | void |
1852 | varuse_collecting_visitor::visit_foreach_loop (foreach_loop* s) | |
1853 | { | |
27d24ae2 FCE |
1854 | // NB: we duplicate so don't bother call |
1855 | // functioncall_traversing_visitor::visit_foreach_loop (s); | |
1856 | ||
dff50e09 | 1857 | symbol *array = NULL; |
27d24ae2 FCE |
1858 | hist_op *hist = NULL; |
1859 | classify_indexable (s->base, array, hist); | |
1860 | if (array) | |
1861 | array->visit(this); | |
1862 | else | |
1863 | hist->visit(this); | |
1864 | ||
3066c15c | 1865 | // If the collection is sorted, imply a "write" access to the |
27d24ae2 | 1866 | // array in addition to the "read" one already noted above. |
3066c15c FCE |
1867 | if (s->sort_direction) |
1868 | { | |
dff50e09 | 1869 | symbol *array = NULL; |
3066c15c FCE |
1870 | hist_op *hist = NULL; |
1871 | classify_indexable (s->base, array, hist); | |
1872 | if (array) this->written.insert (array->referent); | |
1873 | // XXX: Can hist_op iterations be sorted? | |
1874 | } | |
27d24ae2 FCE |
1875 | |
1876 | // NB: don't forget to visit the index expressions, which are lvalues. | |
1877 | for (unsigned i=0; i<s->indexes.size(); i++) | |
1878 | { | |
1879 | expression* last_lvalue = current_lvalue; | |
1880 | current_lvalue = s->indexes[i]; // leave a mark for ::visit_symbol | |
1881 | s->indexes[i]->visit (this); | |
1882 | current_lvalue = last_lvalue; | |
1883 | } | |
1884 | ||
1885 | if (s->limit) | |
1886 | s->limit->visit (this); | |
1887 | ||
1888 | s->block->visit (this); | |
3066c15c | 1889 | } |
cbfbbf69 FCE |
1890 | |
1891 | ||
3066c15c FCE |
1892 | void |
1893 | varuse_collecting_visitor::visit_delete_statement (delete_statement* s) | |
1894 | { | |
1895 | // Ideally, this would be treated like an assignment: a plain write | |
1896 | // to the underlying value ("lvalue"). XXX: However, the | |
1897 | // optimization pass is not smart enough to remove an unneeded | |
1898 | // "delete" yet, so we pose more like a *crement ("lrvalue"). This | |
1899 | // should protect the underlying value from optimizional mischief. | |
1900 | expression* last_lrvalue = current_lrvalue; | |
1901 | current_lrvalue = s->value; // leave a mark for ::visit_symbol | |
1902 | functioncall_traversing_visitor::visit_delete_statement (s); | |
1903 | current_lrvalue = last_lrvalue; | |
1904 | } | |
cbfbbf69 | 1905 | |
cf9ff341 FCE |
1906 | bool |
1907 | varuse_collecting_visitor::side_effect_free () | |
1908 | { | |
1909 | return (written.empty() && !embedded_seen); | |
1910 | } | |
1911 | ||
1912 | ||
1913 | bool | |
1914 | varuse_collecting_visitor::side_effect_free_wrt (const set<vardecl*>& vars) | |
1915 | { | |
1916 | // A looser notion of side-effect-freeness with respect to a given | |
1917 | // list of variables. | |
1918 | ||
1919 | // That's useful because the written list may consist of local | |
1920 | // variables of called functions. But visible side-effects only | |
1921 | // occur if the client's locals, or any globals are written-to. | |
1922 | ||
1923 | set<vardecl*> intersection; | |
1924 | insert_iterator<set<vardecl*> > int_it (intersection, intersection.begin()); | |
1925 | set_intersection (written.begin(), written.end(), | |
1926 | vars.begin(), vars.end(), | |
1927 | int_it); | |
1928 | ||
1929 | return (intersection.empty() && !embedded_seen); | |
1930 | } | |
1931 | ||
1932 | ||
1933 | ||
cbfbbf69 | 1934 | |
82919855 FCE |
1935 | // ------------------------------------------------------------------------ |
1936 | ||
1937 | ||
1938 | throwing_visitor::throwing_visitor (const std::string& m): msg (m) {} | |
1939 | throwing_visitor::throwing_visitor (): msg ("invalid element") {} | |
1940 | ||
1941 | ||
1942 | void | |
1943 | throwing_visitor::throwone (const token* t) | |
1944 | { | |
1945 | throw semantic_error (msg, t); | |
1946 | } | |
1947 | ||
1948 | void | |
54dfabe9 FCE |
1949 | throwing_visitor::visit_block (block* s) |
1950 | { | |
1951 | throwone (s->tok); | |
1952 | } | |
1953 | ||
1954 | void | |
1955 | throwing_visitor::visit_embeddedcode (embeddedcode* s) | |
82919855 FCE |
1956 | { |
1957 | throwone (s->tok); | |
1958 | } | |
1959 | ||
1960 | void | |
54dfabe9 | 1961 | throwing_visitor::visit_null_statement (null_statement* s) |
82919855 FCE |
1962 | { |
1963 | throwone (s->tok); | |
1964 | } | |
1965 | ||
1966 | void | |
54dfabe9 | 1967 | throwing_visitor::visit_expr_statement (expr_statement* s) |
82919855 FCE |
1968 | { |
1969 | throwone (s->tok); | |
1970 | } | |
1971 | ||
1972 | void | |
1973 | throwing_visitor::visit_if_statement (if_statement* s) | |
1974 | { | |
1975 | throwone (s->tok); | |
1976 | } | |
1977 | ||
1978 | void | |
1979 | throwing_visitor::visit_for_loop (for_loop* s) | |
1980 | { | |
1981 | throwone (s->tok); | |
1982 | } | |
1983 | ||
69c68955 FCE |
1984 | void |
1985 | throwing_visitor::visit_foreach_loop (foreach_loop* s) | |
1986 | { | |
1987 | throwone (s->tok); | |
1988 | } | |
1989 | ||
82919855 FCE |
1990 | void |
1991 | throwing_visitor::visit_return_statement (return_statement* s) | |
1992 | { | |
1993 | throwone (s->tok); | |
1994 | } | |
1995 | ||
1996 | void | |
1997 | throwing_visitor::visit_delete_statement (delete_statement* s) | |
1998 | { | |
1999 | throwone (s->tok); | |
2000 | } | |
2001 | ||
f3c26ea5 FCE |
2002 | void |
2003 | throwing_visitor::visit_next_statement (next_statement* s) | |
2004 | { | |
2005 | throwone (s->tok); | |
2006 | } | |
2007 | ||
2008 | void | |
2009 | throwing_visitor::visit_break_statement (break_statement* s) | |
2010 | { | |
2011 | throwone (s->tok); | |
2012 | } | |
2013 | ||
2014 | void | |
2015 | throwing_visitor::visit_continue_statement (continue_statement* s) | |
2016 | { | |
2017 | throwone (s->tok); | |
2018 | } | |
2019 | ||
82919855 FCE |
2020 | void |
2021 | throwing_visitor::visit_literal_string (literal_string* e) | |
2022 | { | |
2023 | throwone (e->tok); | |
2024 | } | |
2025 | ||
2026 | void | |
2027 | throwing_visitor::visit_literal_number (literal_number* e) | |
2028 | { | |
2029 | throwone (e->tok); | |
2030 | } | |
2031 | ||
2032 | void | |
2033 | throwing_visitor::visit_binary_expression (binary_expression* e) | |
2034 | { | |
2035 | throwone (e->tok); | |
2036 | } | |
2037 | ||
2038 | void | |
2039 | throwing_visitor::visit_unary_expression (unary_expression* e) | |
2040 | { | |
2041 | throwone (e->tok); | |
2042 | } | |
2043 | ||
2044 | void | |
2045 | throwing_visitor::visit_pre_crement (pre_crement* e) | |
2046 | { | |
2047 | throwone (e->tok); | |
2048 | } | |
2049 | ||
2050 | void | |
2051 | throwing_visitor::visit_post_crement (post_crement* e) | |
2052 | { | |
2053 | throwone (e->tok); | |
0054a7ea FCE |
2054 | } |
2055 | ||
2056 | ||
82919855 FCE |
2057 | void |
2058 | throwing_visitor::visit_logical_or_expr (logical_or_expr* e) | |
2059 | { | |
2060 | throwone (e->tok); | |
2061 | } | |
2062 | ||
2063 | void | |
2064 | throwing_visitor::visit_logical_and_expr (logical_and_expr* e) | |
2065 | { | |
2066 | throwone (e->tok); | |
2067 | } | |
2068 | ||
2069 | void | |
2070 | throwing_visitor::visit_array_in (array_in* e) | |
2071 | { | |
2072 | throwone (e->tok); | |
2073 | } | |
2074 | ||
2075 | void | |
2076 | throwing_visitor::visit_comparison (comparison* e) | |
2077 | { | |
2078 | throwone (e->tok); | |
2079 | } | |
2080 | ||
2081 | void | |
2082 | throwing_visitor::visit_concatenation (concatenation* e) | |
2083 | { | |
2084 | throwone (e->tok); | |
2085 | } | |
2086 | ||
82919855 FCE |
2087 | void |
2088 | throwing_visitor::visit_ternary_expression (ternary_expression* e) | |
2089 | { | |
2090 | throwone (e->tok); | |
2091 | } | |
2092 | ||
2093 | void | |
2094 | throwing_visitor::visit_assignment (assignment* e) | |
2095 | { | |
2096 | throwone (e->tok); | |
2097 | } | |
2098 | ||
2099 | void | |
2100 | throwing_visitor::visit_symbol (symbol* e) | |
2101 | { | |
2102 | throwone (e->tok); | |
2103 | } | |
2104 | ||
d7f3e0c5 GH |
2105 | void |
2106 | throwing_visitor::visit_target_symbol (target_symbol* e) | |
2107 | { | |
2108 | throwone (e->tok); | |
2109 | } | |
2110 | ||
9b5af295 JS |
2111 | void |
2112 | throwing_visitor::visit_cast_op (cast_op* e) | |
2113 | { | |
2114 | throwone (e->tok); | |
2115 | } | |
2116 | ||
82919855 FCE |
2117 | void |
2118 | throwing_visitor::visit_arrayindex (arrayindex* e) | |
2119 | { | |
2120 | throwone (e->tok); | |
2121 | } | |
2122 | ||
2123 | void | |
2124 | throwing_visitor::visit_functioncall (functioncall* e) | |
2125 | { | |
2126 | throwone (e->tok); | |
2127 | } | |
85365d1b | 2128 | |
d02548c0 GH |
2129 | void |
2130 | throwing_visitor::visit_print_format (print_format* e) | |
2131 | { | |
2132 | throwone (e->tok); | |
2133 | } | |
2134 | ||
2135 | void | |
2136 | throwing_visitor::visit_stat_op (stat_op* e) | |
2137 | { | |
2138 | throwone (e->tok); | |
2139 | } | |
2140 | ||
2141 | void | |
2142 | throwing_visitor::visit_hist_op (hist_op* e) | |
2143 | { | |
2144 | throwone (e->tok); | |
2145 | } | |
2146 | ||
85365d1b GH |
2147 | |
2148 | // ------------------------------------------------------------------------ | |
2149 | ||
85365d1b GH |
2150 | |
2151 | void | |
4b6455e8 | 2152 | update_visitor::visit_block (block* s) |
85365d1b | 2153 | { |
85365d1b | 2154 | for (unsigned i = 0; i < s->statements.size(); ++i) |
4b6455e8 JS |
2155 | s->statements[i] = require (s->statements[i]); |
2156 | provide (s); | |
2157 | } | |
2158 | ||
2159 | void | |
2160 | update_visitor::visit_embeddedcode (embeddedcode* s) | |
2161 | { | |
2162 | provide (s); | |
2163 | } | |
2164 | ||
2165 | void | |
2166 | update_visitor::visit_null_statement (null_statement* s) | |
2167 | { | |
2168 | provide (s); | |
2169 | } | |
2170 | ||
2171 | void | |
2172 | update_visitor::visit_expr_statement (expr_statement* s) | |
2173 | { | |
2174 | s->value = require (s->value); | |
2175 | provide (s); | |
2176 | } | |
2177 | ||
2178 | void | |
2179 | update_visitor::visit_if_statement (if_statement* s) | |
2180 | { | |
2181 | s->condition = require (s->condition); | |
2182 | s->thenblock = require (s->thenblock); | |
2183 | s->elseblock = require (s->elseblock); | |
2184 | provide (s); | |
2185 | } | |
2186 | ||
2187 | void | |
2188 | update_visitor::visit_for_loop (for_loop* s) | |
2189 | { | |
2190 | s->init = require (s->init); | |
2191 | s->cond = require (s->cond); | |
2192 | s->incr = require (s->incr); | |
2193 | s->block = require (s->block); | |
2194 | provide (s); | |
2195 | } | |
2196 | ||
2197 | void | |
2198 | update_visitor::visit_foreach_loop (foreach_loop* s) | |
2199 | { | |
2200 | for (unsigned i = 0; i < s->indexes.size(); ++i) | |
2201 | s->indexes[i] = require (s->indexes[i]); | |
2202 | s->base = require (s->base); | |
2203 | s->limit = require (s->limit); | |
2204 | s->block = require (s->block); | |
2205 | provide (s); | |
2206 | } | |
2207 | ||
2208 | void | |
2209 | update_visitor::visit_return_statement (return_statement* s) | |
2210 | { | |
2211 | s->value = require (s->value); | |
2212 | provide (s); | |
2213 | } | |
2214 | ||
2215 | void | |
2216 | update_visitor::visit_delete_statement (delete_statement* s) | |
2217 | { | |
2218 | s->value = require (s->value); | |
2219 | provide (s); | |
2220 | } | |
2221 | ||
2222 | void | |
2223 | update_visitor::visit_next_statement (next_statement* s) | |
2224 | { | |
2225 | provide (s); | |
2226 | } | |
2227 | ||
2228 | void | |
2229 | update_visitor::visit_break_statement (break_statement* s) | |
2230 | { | |
2231 | provide (s); | |
2232 | } | |
2233 | ||
2234 | void | |
2235 | update_visitor::visit_continue_statement (continue_statement* s) | |
2236 | { | |
2237 | provide (s); | |
2238 | } | |
2239 | ||
2240 | void | |
2241 | update_visitor::visit_literal_string (literal_string* e) | |
2242 | { | |
2243 | provide (e); | |
2244 | } | |
2245 | ||
2246 | void | |
2247 | update_visitor::visit_literal_number (literal_number* e) | |
2248 | { | |
2249 | provide (e); | |
2250 | } | |
2251 | ||
2252 | void | |
2253 | update_visitor::visit_binary_expression (binary_expression* e) | |
2254 | { | |
2255 | e->left = require (e->left); | |
2256 | e->right = require (e->right); | |
2257 | provide (e); | |
2258 | } | |
2259 | ||
2260 | void | |
2261 | update_visitor::visit_unary_expression (unary_expression* e) | |
2262 | { | |
2263 | e->operand = require (e->operand); | |
2264 | provide (e); | |
2265 | } | |
2266 | ||
2267 | void | |
2268 | update_visitor::visit_pre_crement (pre_crement* e) | |
2269 | { | |
2270 | e->operand = require (e->operand); | |
2271 | provide (e); | |
2272 | } | |
2273 | ||
2274 | void | |
2275 | update_visitor::visit_post_crement (post_crement* e) | |
2276 | { | |
2277 | e->operand = require (e->operand); | |
2278 | provide (e); | |
2279 | } | |
2280 | ||
2281 | ||
2282 | void | |
2283 | update_visitor::visit_logical_or_expr (logical_or_expr* e) | |
2284 | { | |
2285 | e->left = require (e->left); | |
2286 | e->right = require (e->right); | |
2287 | provide (e); | |
2288 | } | |
2289 | ||
2290 | void | |
2291 | update_visitor::visit_logical_and_expr (logical_and_expr* e) | |
2292 | { | |
2293 | e->left = require (e->left); | |
2294 | e->right = require (e->right); | |
2295 | provide (e); | |
2296 | } | |
2297 | ||
2298 | void | |
2299 | update_visitor::visit_array_in (array_in* e) | |
2300 | { | |
2301 | e->operand = require (e->operand); | |
2302 | provide (e); | |
2303 | } | |
2304 | ||
2305 | void | |
2306 | update_visitor::visit_comparison (comparison* e) | |
2307 | { | |
2308 | e->left = require (e->left); | |
2309 | e->right = require (e->right); | |
2310 | provide (e); | |
2311 | } | |
2312 | ||
2313 | void | |
2314 | update_visitor::visit_concatenation (concatenation* e) | |
2315 | { | |
2316 | e->left = require (e->left); | |
2317 | e->right = require (e->right); | |
2318 | provide (e); | |
2319 | } | |
2320 | ||
2321 | void | |
2322 | update_visitor::visit_ternary_expression (ternary_expression* e) | |
2323 | { | |
2324 | e->cond = require (e->cond); | |
2325 | e->truevalue = require (e->truevalue); | |
2326 | e->falsevalue = require (e->falsevalue); | |
2327 | provide (e); | |
2328 | } | |
2329 | ||
2330 | void | |
2331 | update_visitor::visit_assignment (assignment* e) | |
2332 | { | |
2333 | e->left = require (e->left); | |
2334 | e->right = require (e->right); | |
2335 | provide (e); | |
2336 | } | |
2337 | ||
2338 | void | |
2339 | update_visitor::visit_symbol (symbol* e) | |
2340 | { | |
2341 | provide (e); | |
2342 | } | |
2343 | ||
2344 | void | |
2345 | update_visitor::visit_target_symbol (target_symbol* e) | |
2346 | { | |
2347 | provide (e); | |
2348 | } | |
2349 | ||
9b5af295 JS |
2350 | void |
2351 | update_visitor::visit_cast_op (cast_op* e) | |
2352 | { | |
2353 | e->operand = require (e->operand); | |
2354 | provide (e); | |
2355 | } | |
2356 | ||
4b6455e8 JS |
2357 | void |
2358 | update_visitor::visit_arrayindex (arrayindex* e) | |
2359 | { | |
2360 | e->base = require (e->base); | |
2361 | for (unsigned i = 0; i < e->indexes.size(); ++i) | |
2362 | e->indexes[i] = require (e->indexes[i]); | |
2363 | provide (e); | |
2364 | } | |
2365 | ||
2366 | void | |
2367 | update_visitor::visit_functioncall (functioncall* e) | |
2368 | { | |
2369 | for (unsigned i = 0; i < e->args.size(); ++i) | |
2370 | e->args[i] = require (e->args[i]); | |
2371 | provide (e); | |
2372 | } | |
2373 | ||
2374 | void | |
2375 | update_visitor::visit_print_format (print_format* e) | |
2376 | { | |
2377 | for (unsigned i = 0; i < e->args.size(); ++i) | |
2378 | e->args[i] = require (e->args[i]); | |
2379 | e->hist = require (e->hist); | |
2380 | provide (e); | |
2381 | } | |
2382 | ||
2383 | void | |
2384 | update_visitor::visit_stat_op (stat_op* e) | |
2385 | { | |
2386 | e->stat = require (e->stat); | |
2387 | provide (e); | |
2388 | } | |
2389 | ||
2390 | void | |
2391 | update_visitor::visit_hist_op (hist_op* e) | |
2392 | { | |
2393 | e->stat = require (e->stat); | |
2394 | provide (e); | |
2395 | } | |
2396 | ||
2397 | template <> indexable* | |
1cd151d5 | 2398 | update_visitor::require <indexable*> (indexable* src, bool clearok) |
4b6455e8 JS |
2399 | { |
2400 | indexable *dst = NULL; | |
2401 | if (src != NULL) | |
2402 | { | |
2403 | symbol *array_src=NULL; | |
2404 | hist_op *hist_src=NULL; | |
2405 | ||
2406 | classify_indexable(src, array_src, hist_src); | |
2407 | ||
2408 | if (array_src) | |
2409 | dst = require (array_src); | |
2410 | else | |
2411 | dst = require (hist_src); | |
1cd151d5 | 2412 | assert(clearok || dst); |
4b6455e8 JS |
2413 | } |
2414 | return dst; | |
2415 | } | |
2416 | ||
2417 | ||
2418 | // ------------------------------------------------------------------------ | |
2419 | ||
2420 | ||
2421 | void | |
2422 | deep_copy_visitor::visit_block (block* s) | |
2423 | { | |
2424 | update_visitor::visit_block(new block(*s)); | |
85365d1b GH |
2425 | } |
2426 | ||
2427 | void | |
54dfabe9 FCE |
2428 | deep_copy_visitor::visit_embeddedcode (embeddedcode* s) |
2429 | { | |
4b6455e8 | 2430 | update_visitor::visit_embeddedcode(new embeddedcode(*s)); |
54dfabe9 FCE |
2431 | } |
2432 | ||
2433 | void | |
2434 | deep_copy_visitor::visit_null_statement (null_statement* s) | |
85365d1b | 2435 | { |
4b6455e8 | 2436 | update_visitor::visit_null_statement(new null_statement(*s)); |
85365d1b GH |
2437 | } |
2438 | ||
2439 | void | |
54dfabe9 | 2440 | deep_copy_visitor::visit_expr_statement (expr_statement* s) |
85365d1b | 2441 | { |
4b6455e8 | 2442 | update_visitor::visit_expr_statement(new expr_statement(*s)); |
85365d1b GH |
2443 | } |
2444 | ||
2445 | void | |
2446 | deep_copy_visitor::visit_if_statement (if_statement* s) | |
2447 | { | |
4b6455e8 | 2448 | update_visitor::visit_if_statement(new if_statement(*s)); |
85365d1b GH |
2449 | } |
2450 | ||
2451 | void | |
2452 | deep_copy_visitor::visit_for_loop (for_loop* s) | |
2453 | { | |
4b6455e8 | 2454 | update_visitor::visit_for_loop(new for_loop(*s)); |
85365d1b GH |
2455 | } |
2456 | ||
2457 | void | |
2458 | deep_copy_visitor::visit_foreach_loop (foreach_loop* s) | |
2459 | { | |
4b6455e8 | 2460 | update_visitor::visit_foreach_loop(new foreach_loop(*s)); |
85365d1b GH |
2461 | } |
2462 | ||
2463 | void | |
2464 | deep_copy_visitor::visit_return_statement (return_statement* s) | |
2465 | { | |
4b6455e8 | 2466 | update_visitor::visit_return_statement(new return_statement(*s)); |
85365d1b GH |
2467 | } |
2468 | ||
2469 | void | |
2470 | deep_copy_visitor::visit_delete_statement (delete_statement* s) | |
2471 | { | |
4b6455e8 | 2472 | update_visitor::visit_delete_statement(new delete_statement(*s)); |
85365d1b GH |
2473 | } |
2474 | ||
2475 | void | |
2476 | deep_copy_visitor::visit_next_statement (next_statement* s) | |
2477 | { | |
4b6455e8 | 2478 | update_visitor::visit_next_statement(new next_statement(*s)); |
85365d1b GH |
2479 | } |
2480 | ||
2481 | void | |
2482 | deep_copy_visitor::visit_break_statement (break_statement* s) | |
2483 | { | |
4b6455e8 | 2484 | update_visitor::visit_break_statement(new break_statement(*s)); |
85365d1b GH |
2485 | } |
2486 | ||
2487 | void | |
2488 | deep_copy_visitor::visit_continue_statement (continue_statement* s) | |
2489 | { | |
4b6455e8 | 2490 | update_visitor::visit_continue_statement(new continue_statement(*s)); |
85365d1b GH |
2491 | } |
2492 | ||
2493 | void | |
2494 | deep_copy_visitor::visit_literal_string (literal_string* e) | |
2495 | { | |
4b6455e8 | 2496 | update_visitor::visit_literal_string(new literal_string(*e)); |
85365d1b GH |
2497 | } |
2498 | ||
2499 | void | |
2500 | deep_copy_visitor::visit_literal_number (literal_number* e) | |
2501 | { | |
4b6455e8 | 2502 | update_visitor::visit_literal_number(new literal_number(*e)); |
85365d1b GH |
2503 | } |
2504 | ||
2505 | void | |
2506 | deep_copy_visitor::visit_binary_expression (binary_expression* e) | |
2507 | { | |
4b6455e8 | 2508 | update_visitor::visit_binary_expression(new binary_expression(*e)); |
85365d1b GH |
2509 | } |
2510 | ||
2511 | void | |
2512 | deep_copy_visitor::visit_unary_expression (unary_expression* e) | |
2513 | { | |
4b6455e8 | 2514 | update_visitor::visit_unary_expression(new unary_expression(*e)); |
85365d1b GH |
2515 | } |
2516 | ||
2517 | void | |
2518 | deep_copy_visitor::visit_pre_crement (pre_crement* e) | |
2519 | { | |
4b6455e8 | 2520 | update_visitor::visit_pre_crement(new pre_crement(*e)); |
85365d1b GH |
2521 | } |
2522 | ||
2523 | void | |
2524 | deep_copy_visitor::visit_post_crement (post_crement* e) | |
2525 | { | |
4b6455e8 | 2526 | update_visitor::visit_post_crement(new post_crement(*e)); |
85365d1b GH |
2527 | } |
2528 | ||
2529 | ||
2530 | void | |
2531 | deep_copy_visitor::visit_logical_or_expr (logical_or_expr* e) | |
2532 | { | |
4b6455e8 | 2533 | update_visitor::visit_logical_or_expr(new logical_or_expr(*e)); |
85365d1b GH |
2534 | } |
2535 | ||
2536 | void | |
2537 | deep_copy_visitor::visit_logical_and_expr (logical_and_expr* e) | |
2538 | { | |
4b6455e8 | 2539 | update_visitor::visit_logical_and_expr(new logical_and_expr(*e)); |
85365d1b GH |
2540 | } |
2541 | ||
2542 | void | |
2543 | deep_copy_visitor::visit_array_in (array_in* e) | |
2544 | { | |
4b6455e8 | 2545 | update_visitor::visit_array_in(new array_in(*e)); |
85365d1b GH |
2546 | } |
2547 | ||
2548 | void | |
2549 | deep_copy_visitor::visit_comparison (comparison* e) | |
2550 | { | |
4b6455e8 | 2551 | update_visitor::visit_comparison(new comparison(*e)); |
85365d1b GH |
2552 | } |
2553 | ||
2554 | void | |
2555 | deep_copy_visitor::visit_concatenation (concatenation* e) | |
2556 | { | |
4b6455e8 | 2557 | update_visitor::visit_concatenation(new concatenation(*e)); |
85365d1b GH |
2558 | } |
2559 | ||
2560 | void | |
2561 | deep_copy_visitor::visit_ternary_expression (ternary_expression* e) | |
2562 | { | |
4b6455e8 | 2563 | update_visitor::visit_ternary_expression(new ternary_expression(*e)); |
85365d1b GH |
2564 | } |
2565 | ||
2566 | void | |
2567 | deep_copy_visitor::visit_assignment (assignment* e) | |
2568 | { | |
4b6455e8 | 2569 | update_visitor::visit_assignment(new assignment(*e)); |
85365d1b GH |
2570 | } |
2571 | ||
2572 | void | |
2573 | deep_copy_visitor::visit_symbol (symbol* e) | |
2574 | { | |
4b6455e8 JS |
2575 | symbol* n = new symbol(*e); |
2576 | n->referent = NULL; // don't copy! | |
2577 | update_visitor::visit_symbol(n); | |
d7f3e0c5 GH |
2578 | } |
2579 | ||
2580 | void | |
2581 | deep_copy_visitor::visit_target_symbol (target_symbol* e) | |
2582 | { | |
4b6455e8 JS |
2583 | target_symbol* n = new target_symbol(*e); |
2584 | n->referent = NULL; // don't copy! | |
2585 | update_visitor::visit_target_symbol(n); | |
85365d1b GH |
2586 | } |
2587 | ||
9b5af295 JS |
2588 | void |
2589 | deep_copy_visitor::visit_cast_op (cast_op* e) | |
2590 | { | |
2591 | update_visitor::visit_cast_op(new cast_op(*e)); | |
2592 | } | |
2593 | ||
85365d1b GH |
2594 | void |
2595 | deep_copy_visitor::visit_arrayindex (arrayindex* e) | |
2596 | { | |
4b6455e8 | 2597 | update_visitor::visit_arrayindex(new arrayindex(*e)); |
85365d1b GH |
2598 | } |
2599 | ||
2600 | void | |
2601 | deep_copy_visitor::visit_functioncall (functioncall* e) | |
2602 | { | |
4b6455e8 JS |
2603 | functioncall* n = new functioncall(*e); |
2604 | n->referent = NULL; // don't copy! | |
2605 | update_visitor::visit_functioncall(n); | |
85365d1b GH |
2606 | } |
2607 | ||
d02548c0 GH |
2608 | void |
2609 | deep_copy_visitor::visit_print_format (print_format* e) | |
2610 | { | |
4b6455e8 | 2611 | update_visitor::visit_print_format(new print_format(*e)); |
d02548c0 GH |
2612 | } |
2613 | ||
2614 | void | |
2615 | deep_copy_visitor::visit_stat_op (stat_op* e) | |
2616 | { | |
4b6455e8 | 2617 | update_visitor::visit_stat_op(new stat_op(*e)); |
d02548c0 GH |
2618 | } |
2619 | ||
2620 | void | |
2621 | deep_copy_visitor::visit_hist_op (hist_op* e) | |
2622 | { | |
4b6455e8 | 2623 | update_visitor::visit_hist_op(new hist_op(*e)); |
edc22ba9 DB |
2624 | } |
2625 | ||
73267b89 | 2626 | /* vim: set sw=2 ts=8 cino=>4,n-2,{2,^-2,t0,(0,u0,w1,M1 : */ |