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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 | ||
8eb285ac | 262 | void target_symbol::print (ostream& o) const |
d7f3e0c5 | 263 | { |
03c75a4a JS |
264 | if (addressof) |
265 | o << "&"; | |
d7f3e0c5 GH |
266 | o << base_name; |
267 | for (unsigned i = 0; i < components.size(); ++i) | |
268 | { | |
269 | switch (components[i].first) | |
270 | { | |
271 | case comp_literal_array_index: | |
272 | o << '[' << components[i].second << ']'; | |
273 | break; | |
246b383e | 274 | case comp_struct_member: |
d7f3e0c5 GH |
275 | o << "->" << components[i].second; |
276 | break; | |
d7f3e0c5 GH |
277 | } |
278 | } | |
279 | } | |
280 | ||
281 | ||
8eb285ac | 282 | void cast_op::print (ostream& o) const |
9b5af295 | 283 | { |
03c75a4a JS |
284 | if (addressof) |
285 | o << "&"; | |
9b5af295 JS |
286 | o << base_name << '(' << *operand; |
287 | o << ", " << lex_cast_qstring (type); | |
288 | if (module.length() > 0) | |
289 | o << ", " << lex_cast_qstring (module); | |
290 | o << ')'; | |
291 | for (unsigned i = 0; i < components.size(); ++i) | |
292 | { | |
293 | switch (components[i].first) | |
294 | { | |
295 | case comp_literal_array_index: | |
296 | o << '[' << components[i].second << ']'; | |
297 | break; | |
298 | case comp_struct_member: | |
299 | o << "->" << components[i].second; | |
300 | break; | |
301 | } | |
302 | } | |
303 | } | |
304 | ||
305 | ||
cc9ee605 | 306 | void vardecl::print (ostream& o) const |
56099f08 FCE |
307 | { |
308 | o << name; | |
ef474d24 JS |
309 | if (maxsize > 0) |
310 | o << "[" << maxsize << "]"; | |
bed7c0af | 311 | if (arity > 0 || index_types.size() > 0) |
56099f08 | 312 | o << "[...]"; |
9ba8c134 JS |
313 | if (init) |
314 | { | |
315 | o << " = "; | |
316 | init->print(o); | |
317 | } | |
56099f08 FCE |
318 | } |
319 | ||
2f1a1aea | 320 | |
cc9ee605 | 321 | void vardecl::printsig (ostream& o) const |
56099f08 | 322 | { |
ef474d24 JS |
323 | o << name; |
324 | if (maxsize > 0) | |
325 | o << "[" << maxsize << "]"; | |
326 | o << ":" << type; | |
56099f08 | 327 | if (index_types.size() > 0) |
2f1a1aea | 328 | { |
56099f08 FCE |
329 | o << " ["; |
330 | for (unsigned i=0; i<index_types.size(); i++) | |
331 | o << (i>0 ? ", " : "") << index_types[i]; | |
332 | o << "]"; | |
333 | } | |
334 | } | |
335 | ||
336 | ||
cc9ee605 | 337 | void functiondecl::print (ostream& o) const |
56099f08 FCE |
338 | { |
339 | o << "function " << name << " ("; | |
340 | for (unsigned i=0; i<formal_args.size(); i++) | |
341 | o << (i>0 ? ", " : "") << *formal_args[i]; | |
342 | o << ")" << endl; | |
343 | body->print(o); | |
344 | } | |
345 | ||
346 | ||
cc9ee605 | 347 | void functiondecl::printsig (ostream& o) const |
56099f08 FCE |
348 | { |
349 | o << name << ":" << type << " ("; | |
350 | for (unsigned i=0; i<formal_args.size(); i++) | |
351 | o << (i>0 ? ", " : "") | |
352 | << *formal_args[i] | |
353 | << ":" | |
354 | << formal_args[i]->type; | |
355 | o << ")"; | |
356 | } | |
357 | ||
358 | ||
cc9ee605 | 359 | void arrayindex::print (ostream& o) const |
56099f08 | 360 | { |
a9c62ac9 FCE |
361 | base->print_indexable (o); |
362 | o << "["; | |
56099f08 FCE |
363 | for (unsigned i=0; i<indexes.size(); i++) |
364 | o << (i>0 ? ", " : "") << *indexes[i]; | |
365 | o << "]"; | |
366 | } | |
367 | ||
368 | ||
cc9ee605 | 369 | void functioncall::print (ostream& o) const |
56099f08 FCE |
370 | { |
371 | o << function << "("; | |
372 | for (unsigned i=0; i<args.size(); i++) | |
373 | o << (i>0 ? ", " : "") << *args[i]; | |
374 | o << ")"; | |
dff50e09 | 375 | } |
56099f08 FCE |
376 | |
377 | ||
3cb17058 JS |
378 | bool |
379 | print_format::parse_print(const std::string &name, | |
32784362 | 380 | bool &stream, bool &format, bool &delim, bool &newline, bool &_char) |
3cb17058 JS |
381 | { |
382 | const char *n = name.c_str(); | |
383 | ||
384 | stream = true; | |
32784362 MH |
385 | format = delim = newline = _char = false; |
386 | ||
387 | if (strcmp(n, "print_char") == 0) | |
388 | { | |
389 | _char = true; | |
390 | return true; | |
391 | } | |
3cb17058 JS |
392 | |
393 | if (*n == 's') | |
394 | { | |
395 | stream = false; | |
396 | ++n; | |
397 | } | |
398 | ||
399 | if (0 != strncmp(n, "print", 5)) | |
400 | return false; | |
401 | n += 5; | |
402 | ||
403 | if (*n == 'f') | |
404 | { | |
405 | format = true; | |
406 | ++n; | |
407 | } | |
408 | else | |
409 | { | |
410 | if (*n == 'd') | |
411 | { | |
412 | delim = true; | |
413 | ++n; | |
414 | } | |
415 | ||
416 | if (*n == 'l' && *(n+1) == 'n') | |
417 | { | |
418 | newline = true; | |
419 | n += 2; | |
420 | } | |
421 | } | |
422 | ||
423 | return (*n == '\0'); | |
424 | } | |
425 | ||
426 | ||
dff50e09 | 427 | string |
d02548c0 GH |
428 | print_format::components_to_string(vector<format_component> const & components) |
429 | { | |
430 | ostringstream oss; | |
431 | ||
432 | for (vector<format_component>::const_iterator i = components.begin(); | |
433 | i != components.end(); ++i) | |
434 | { | |
435 | ||
436 | assert (i->type != conv_unspecified); | |
437 | ||
438 | if (i->type == conv_literal) | |
439 | { | |
440 | assert(!i->literal_string.empty()); | |
441 | for (string::const_iterator j = i->literal_string.begin(); | |
442 | j != i->literal_string.end(); ++j) | |
443 | { | |
c4bb5be2 | 444 | // See also: c_unparser::visit_literal_string and lex_cast_qstring |
d02548c0 GH |
445 | if (*j == '%') |
446 | oss << '%'; | |
c4bb5be2 FCE |
447 | else if(*j == '"') |
448 | oss << '\\'; | |
d02548c0 GH |
449 | oss << *j; |
450 | } | |
451 | } | |
452 | else | |
453 | { | |
454 | oss << '%'; | |
455 | ||
456 | if (i->flags & static_cast<unsigned long>(fmt_flag_zeropad)) | |
457 | oss << '0'; | |
458 | ||
459 | if (i->flags & static_cast<unsigned long>(fmt_flag_plus)) | |
460 | oss << '+'; | |
461 | ||
462 | if (i->flags & static_cast<unsigned long>(fmt_flag_space)) | |
463 | oss << ' '; | |
464 | ||
465 | if (i->flags & static_cast<unsigned long>(fmt_flag_left)) | |
466 | oss << '-'; | |
467 | ||
468 | if (i->flags & static_cast<unsigned long>(fmt_flag_special)) | |
469 | oss << '#'; | |
470 | ||
34201621 DB |
471 | if (i->widthtype == width_dynamic) |
472 | oss << '*'; | |
473 | else if (i->widthtype != width_unspecified && i->width > 0) | |
d02548c0 GH |
474 | oss << i->width; |
475 | ||
34201621 DB |
476 | if (i->prectype == prec_dynamic) |
477 | oss << ".*"; | |
478 | else if (i->prectype != prec_unspecified && i->precision > 0) | |
d02548c0 GH |
479 | oss << '.' << i->precision; |
480 | ||
dff50e09 | 481 | switch (i->type) |
dc0b623a MH |
482 | { |
483 | case conv_binary: | |
484 | oss << "b"; | |
485 | break; | |
486 | ||
fecccf83 EB |
487 | case conv_char: |
488 | oss << "llc"; | |
489 | break; | |
490 | ||
d02548c0 GH |
491 | case conv_signed_decimal: |
492 | oss << "lld"; | |
493 | break; | |
494 | ||
495 | case conv_unsigned_decimal: | |
496 | oss << "llu"; | |
497 | break; | |
498 | ||
499 | case conv_unsigned_octal: | |
500 | oss << "llo"; | |
501 | break; | |
502 | ||
58cf0567 MH |
503 | case conv_unsigned_ptr: |
504 | oss << "p"; | |
505 | break; | |
506 | ||
d02548c0 GH |
507 | case conv_unsigned_uppercase_hex: |
508 | oss << "llX"; | |
509 | break; | |
510 | ||
511 | case conv_unsigned_lowercase_hex: | |
512 | oss << "llx"; | |
513 | break; | |
514 | ||
515 | case conv_string: | |
516 | oss << 's'; | |
517 | break; | |
dff50e09 | 518 | |
34201621 DB |
519 | case conv_memory: |
520 | oss << 'm'; | |
521 | break; | |
dff50e09 | 522 | |
30c94a80 EB |
523 | case conv_memory_hex: |
524 | oss << 'M'; | |
525 | break; | |
526 | ||
d02548c0 GH |
527 | default: |
528 | break; | |
529 | } | |
530 | } | |
531 | } | |
532 | return oss.str (); | |
533 | } | |
dff50e09 FCE |
534 | |
535 | vector<print_format::format_component> | |
d02548c0 GH |
536 | print_format::string_to_components(string const & str) |
537 | { | |
538 | format_component curr; | |
539 | vector<format_component> res; | |
540 | ||
d02548c0 GH |
541 | curr.clear(); |
542 | ||
543 | string::const_iterator i = str.begin(); | |
dff50e09 | 544 | |
d02548c0 GH |
545 | while (i != str.end()) |
546 | { | |
07c17d67 | 547 | if (*i != '%') |
d02548c0 | 548 | { |
07c17d67 GH |
549 | assert (curr.type == conv_unspecified || curr.type == conv_literal); |
550 | curr.type = conv_literal; | |
dc0b623a | 551 | curr.literal_string += *i; |
d02548c0 | 552 | ++i; |
07c17d67 GH |
553 | continue; |
554 | } | |
555 | else if (i+1 == str.end() || *(i+1) == '%') | |
556 | { | |
557 | assert(*i == '%'); | |
558 | // *i == '%' and *(i+1) == '%'; append only one '%' to the literal string | |
559 | assert (curr.type == conv_unspecified || curr.type == conv_literal); | |
560 | curr.type = conv_literal; | |
561 | curr.literal_string += '%'; | |
2a99f48f | 562 | i += 2; |
07c17d67 GH |
563 | continue; |
564 | } | |
dff50e09 | 565 | else |
07c17d67 GH |
566 | { |
567 | assert(*i == '%'); | |
568 | if (curr.type != conv_unspecified) | |
d02548c0 | 569 | { |
07c17d67 GH |
570 | // Flush any component we were previously accumulating |
571 | assert (curr.type == conv_literal); | |
572 | res.push_back(curr); | |
573 | curr.clear(); | |
574 | } | |
575 | } | |
576 | ++i; | |
dff50e09 | 577 | |
07c17d67 GH |
578 | if (i == str.end()) |
579 | break; | |
d02548c0 | 580 | |
dff50e09 | 581 | // Now we are definitely parsing a conversion. |
d898100a | 582 | // Begin by parsing flags (which are optional). |
d02548c0 | 583 | |
07c17d67 GH |
584 | switch (*i) |
585 | { | |
586 | case '0': | |
587 | curr.flags |= static_cast<unsigned long>(fmt_flag_zeropad); | |
588 | ++i; | |
d02548c0 | 589 | break; |
dff50e09 | 590 | |
07c17d67 GH |
591 | case '+': |
592 | curr.flags |= static_cast<unsigned long>(fmt_flag_plus); | |
593 | ++i; | |
d02548c0 | 594 | break; |
dff50e09 | 595 | |
07c17d67 GH |
596 | case '-': |
597 | curr.flags |= static_cast<unsigned long>(fmt_flag_left); | |
598 | ++i; | |
d02548c0 | 599 | break; |
dff50e09 | 600 | |
07c17d67 GH |
601 | case ' ': |
602 | curr.flags |= static_cast<unsigned long>(fmt_flag_space); | |
603 | ++i; | |
604 | break; | |
dff50e09 | 605 | |
07c17d67 GH |
606 | case '#': |
607 | curr.flags |= static_cast<unsigned long>(fmt_flag_special); | |
608 | ++i; | |
609 | break; | |
dc0b623a | 610 | |
07c17d67 GH |
611 | default: |
612 | break; | |
613 | } | |
d02548c0 | 614 | |
34201621 DB |
615 | if (i == str.end()) |
616 | break; | |
617 | ||
07c17d67 | 618 | // Parse optional width |
34201621 | 619 | if (*i == '*') |
07c17d67 | 620 | { |
34201621 | 621 | curr.widthtype = width_dynamic; |
07c17d67 GH |
622 | ++i; |
623 | } | |
34201621 DB |
624 | else if (isdigit(*i)) |
625 | { | |
626 | curr.widthtype = width_static; | |
627 | curr.width = 0; | |
628 | do | |
629 | { | |
630 | curr.width *= 10; | |
631 | curr.width += (*i - '0'); | |
632 | ++i; | |
633 | } | |
634 | while (i != str.end() && isdigit(*i)); | |
635 | } | |
d02548c0 | 636 | |
07c17d67 GH |
637 | if (i == str.end()) |
638 | break; | |
d02548c0 | 639 | |
07c17d67 GH |
640 | // Parse optional precision |
641 | if (*i == '.') | |
642 | { | |
643 | ++i; | |
644 | if (i == str.end()) | |
645 | break; | |
34201621 | 646 | if (*i == '*') |
07c17d67 | 647 | { |
34201621 | 648 | curr.prectype = prec_dynamic; |
d02548c0 | 649 | ++i; |
07c17d67 | 650 | } |
34201621 DB |
651 | else if (isdigit(*i)) |
652 | { | |
653 | curr.prectype = prec_static; | |
654 | curr.precision = 0; | |
655 | do | |
656 | { | |
657 | curr.precision *= 10; | |
658 | curr.precision += (*i - '0'); | |
659 | ++i; | |
660 | } | |
661 | while (i != str.end() && isdigit(*i)); | |
662 | } | |
07c17d67 | 663 | } |
d02548c0 | 664 | |
07c17d67 GH |
665 | if (i == str.end()) |
666 | break; | |
d02548c0 | 667 | |
fecccf83 | 668 | // Parse the actual conversion specifier (bcsmdioupxXn) |
07c17d67 GH |
669 | switch (*i) |
670 | { | |
671 | // Valid conversion types | |
dc0b623a MH |
672 | case 'b': |
673 | curr.type = conv_binary; | |
674 | break; | |
dff50e09 | 675 | |
fecccf83 EB |
676 | case 'c': |
677 | curr.type = conv_char; | |
678 | break; | |
679 | ||
07c17d67 GH |
680 | case 's': |
681 | curr.type = conv_string; | |
682 | break; | |
dff50e09 | 683 | |
34201621 DB |
684 | case 'm': |
685 | curr.type = conv_memory; | |
686 | break; | |
dff50e09 | 687 | |
30c94a80 EB |
688 | case 'M': |
689 | curr.type = conv_memory_hex; | |
690 | break; | |
691 | ||
07c17d67 GH |
692 | case 'd': |
693 | case 'i': | |
694 | curr.type = conv_signed_decimal; | |
695 | break; | |
dff50e09 | 696 | |
07c17d67 GH |
697 | case 'o': |
698 | curr.type = conv_unsigned_octal; | |
699 | break; | |
dff50e09 | 700 | |
07c17d67 GH |
701 | case 'u': |
702 | curr.type = conv_unsigned_decimal; | |
703 | break; | |
dff50e09 | 704 | |
58cf0567 MH |
705 | case 'p': |
706 | curr.type = conv_unsigned_ptr; | |
707 | break; | |
708 | ||
07c17d67 GH |
709 | case 'X': |
710 | curr.type = conv_unsigned_uppercase_hex; | |
711 | break; | |
dff50e09 | 712 | |
07c17d67 GH |
713 | case 'x': |
714 | curr.type = conv_unsigned_lowercase_hex; | |
715 | break; | |
dc0b623a | 716 | |
07c17d67 | 717 | default: |
d02548c0 GH |
718 | break; |
719 | } | |
dff50e09 | 720 | |
07c17d67 | 721 | if (curr.type == conv_unspecified) |
a9c62ac9 | 722 | throw parse_error("invalid or missing conversion specifier"); |
dff50e09 | 723 | |
07c17d67 | 724 | ++i; |
dc0b623a | 725 | res.push_back(curr); |
dff50e09 | 726 | curr.clear(); |
d02548c0 GH |
727 | } |
728 | ||
07c17d67 GH |
729 | // If there's a remaining partly-composed conversion, fail. |
730 | if (!curr.is_empty()) | |
731 | { | |
732 | if (curr.type == conv_literal) | |
dff50e09 | 733 | res.push_back(curr); |
07c17d67 | 734 | else |
a9c62ac9 | 735 | throw parse_error("trailing incomplete print format conversion"); |
07c17d67 | 736 | } |
d02548c0 GH |
737 | |
738 | return res; | |
739 | } | |
740 | ||
741 | ||
742 | void print_format::print (ostream& o) const | |
743 | { | |
3cb17058 | 744 | o << tok->content << "("; |
d02548c0 | 745 | if (print_with_format) |
3cb17058 JS |
746 | o << lex_cast_qstring (raw_components); |
747 | if (print_with_delim) | |
748 | o << lex_cast_qstring (delimiter.literal_string); | |
a9c62ac9 FCE |
749 | if (hist) |
750 | hist->print(o); | |
d02548c0 GH |
751 | for (vector<expression*>::const_iterator i = args.begin(); |
752 | i != args.end(); ++i) | |
753 | { | |
3cb17058 | 754 | if (i != args.begin() || print_with_format || print_with_delim) |
d02548c0 GH |
755 | o << ", "; |
756 | (*i)->print(o); | |
757 | } | |
758 | o << ")"; | |
759 | } | |
760 | ||
761 | void stat_op::print (ostream& o) const | |
762 | { | |
763 | o << '@'; | |
764 | switch (ctype) | |
765 | { | |
766 | case sc_average: | |
767 | o << "avg("; | |
768 | break; | |
769 | ||
770 | case sc_count: | |
771 | o << "count("; | |
772 | break; | |
773 | ||
774 | case sc_sum: | |
775 | o << "sum("; | |
776 | break; | |
777 | ||
778 | case sc_min: | |
779 | o << "min("; | |
780 | break; | |
dff50e09 | 781 | |
d02548c0 GH |
782 | case sc_max: |
783 | o << "max("; | |
784 | break; | |
785 | } | |
786 | stat->print(o); | |
787 | o << ")"; | |
788 | } | |
789 | ||
dff50e09 | 790 | void |
d02548c0 GH |
791 | hist_op::print (ostream& o) const |
792 | { | |
793 | o << '@'; | |
794 | switch (htype) | |
795 | { | |
796 | case hist_linear: | |
797 | assert(params.size() == 3); | |
798 | o << "hist_linear("; | |
799 | stat->print(o); | |
800 | for (size_t i = 0; i < params.size(); ++i) | |
801 | { | |
802 | o << ", " << params[i]; | |
803 | } | |
804 | o << ")"; | |
805 | break; | |
806 | ||
807 | case hist_log: | |
e38723d2 | 808 | assert(params.size() == 0); |
d02548c0 GH |
809 | o << "hist_log("; |
810 | stat->print(o); | |
d02548c0 GH |
811 | o << ")"; |
812 | break; | |
813 | } | |
814 | } | |
815 | ||
cc9ee605 | 816 | ostream& operator << (ostream& o, const statement& k) |
56099f08 FCE |
817 | { |
818 | k.print (o); | |
819 | return o; | |
820 | } | |
821 | ||
822 | ||
cc9ee605 | 823 | void embeddedcode::print (ostream &o) const |
54dfabe9 FCE |
824 | { |
825 | o << "%{"; | |
826 | o << code; | |
827 | o << "%}"; | |
828 | } | |
829 | ||
cc9ee605 | 830 | void block::print (ostream& o) const |
56099f08 FCE |
831 | { |
832 | o << "{" << endl; | |
833 | for (unsigned i=0; i<statements.size(); i++) | |
69c68955 | 834 | o << *statements [i] << endl; |
bb2e3076 | 835 | o << "}"; |
56099f08 FCE |
836 | } |
837 | ||
ba6f838d FCE |
838 | block::block (statement* car, statement* cdr) |
839 | { | |
840 | statements.push_back(car); | |
841 | statements.push_back(cdr); | |
842 | this->tok = car->tok; | |
843 | } | |
844 | ||
845 | ||
56099f08 | 846 | |
cc9ee605 | 847 | void for_loop::print (ostream& o) const |
56099f08 | 848 | { |
f3c26ea5 | 849 | o << "for ("; |
cbfbbf69 | 850 | if (init) init->print (o); |
f3c26ea5 FCE |
851 | o << "; "; |
852 | cond->print (o); | |
853 | o << "; "; | |
cbfbbf69 | 854 | if (incr) incr->print (o); |
bb2e3076 | 855 | o << ") "; |
f3c26ea5 | 856 | block->print (o); |
56099f08 FCE |
857 | } |
858 | ||
859 | ||
cc9ee605 | 860 | void foreach_loop::print (ostream& o) const |
69c68955 FCE |
861 | { |
862 | o << "foreach (["; | |
863 | for (unsigned i=0; i<indexes.size(); i++) | |
864 | { | |
865 | if (i > 0) o << ", "; | |
866 | indexes[i]->print (o); | |
93484556 FCE |
867 | if (sort_direction != 0 && sort_column == i+1) |
868 | o << (sort_direction > 0 ? "+" : "-"); | |
69c68955 | 869 | } |
a9c62ac9 FCE |
870 | o << "] in "; |
871 | base->print_indexable (o); | |
93484556 FCE |
872 | if (sort_direction != 0 && sort_column == 0) |
873 | o << (sort_direction > 0 ? "+" : "-"); | |
27f21e8c DS |
874 | if (limit) |
875 | { | |
876 | o << " limit "; | |
877 | limit->print (o); | |
878 | } | |
93484556 | 879 | o << ") "; |
69c68955 FCE |
880 | block->print (o); |
881 | } | |
882 | ||
883 | ||
cc9ee605 | 884 | void null_statement::print (ostream& o) const |
56099f08 | 885 | { |
dff50e09 | 886 | o << ";"; |
56099f08 FCE |
887 | } |
888 | ||
889 | ||
cc9ee605 | 890 | void expr_statement::print (ostream& o) const |
56099f08 FCE |
891 | { |
892 | o << *value; | |
893 | } | |
894 | ||
895 | ||
cc9ee605 | 896 | void return_statement::print (ostream& o) const |
56099f08 FCE |
897 | { |
898 | o << "return " << *value; | |
899 | } | |
900 | ||
901 | ||
cc9ee605 | 902 | void delete_statement::print (ostream& o) const |
56099f08 FCE |
903 | { |
904 | o << "delete " << *value; | |
905 | } | |
906 | ||
cc9ee605 | 907 | void next_statement::print (ostream& o) const |
f3c26ea5 FCE |
908 | { |
909 | o << "next"; | |
910 | } | |
911 | ||
cc9ee605 | 912 | void break_statement::print (ostream& o) const |
f3c26ea5 FCE |
913 | { |
914 | o << "break"; | |
915 | } | |
916 | ||
cc9ee605 | 917 | void continue_statement::print (ostream& o) const |
f3c26ea5 FCE |
918 | { |
919 | o << "continue"; | |
920 | } | |
56099f08 | 921 | |
cc9ee605 | 922 | void if_statement::print (ostream& o) const |
56099f08 | 923 | { |
bb2e3076 | 924 | o << "if (" << *condition << ") " |
56099f08 FCE |
925 | << *thenblock << endl; |
926 | if (elseblock) | |
927 | o << "else " << *elseblock << endl; | |
928 | } | |
929 | ||
930 | ||
cc9ee605 | 931 | void stapfile::print (ostream& o) const |
56099f08 FCE |
932 | { |
933 | o << "# file " << name << endl; | |
934 | ||
54dfabe9 FCE |
935 | for (unsigned i=0; i<embeds.size(); i++) |
936 | embeds[i]->print (o); | |
937 | ||
bed7c0af FCE |
938 | for (unsigned i=0; i<globals.size(); i++) |
939 | { | |
940 | o << "global "; | |
941 | globals[i]->print (o); | |
942 | o << endl; | |
943 | } | |
944 | ||
20c6c071 GH |
945 | for (unsigned i=0; i<aliases.size(); i++) |
946 | { | |
947 | aliases[i]->print (o); | |
948 | o << endl; | |
949 | } | |
950 | ||
bed7c0af | 951 | for (unsigned i=0; i<probes.size(); i++) |
56099f08 FCE |
952 | { |
953 | probes[i]->print (o); | |
954 | o << endl; | |
955 | } | |
956 | ||
957 | for (unsigned j = 0; j < functions.size(); j++) | |
958 | { | |
959 | functions[j]->print (o); | |
960 | o << endl; | |
961 | } | |
962 | } | |
963 | ||
964 | ||
cc9ee605 | 965 | void probe::print (ostream& o) const |
56099f08 FCE |
966 | { |
967 | o << "probe "; | |
40a1cb62 FCE |
968 | printsig (o); |
969 | o << *body; | |
970 | } | |
971 | ||
972 | ||
cc9ee605 | 973 | void probe::printsig (ostream& o) const |
40a1cb62 | 974 | { |
77b2151e DB |
975 | const probe_alias *alias = get_alias (); |
976 | if (alias) | |
977 | { | |
978 | alias->printsig (o); | |
979 | return; | |
980 | } | |
dff50e09 | 981 | |
9c0c0e46 | 982 | for (unsigned i=0; i<locations.size(); i++) |
56099f08 | 983 | { |
65aeaea0 | 984 | if (i > 0) o << ","; |
9c0c0e46 | 985 | locations[i]->print (o); |
56099f08 | 986 | } |
56099f08 FCE |
987 | } |
988 | ||
989 | ||
c3a3c0c9 | 990 | void |
2c5a19c6 | 991 | probe::collect_derivation_chain (std::vector<probe*> &probes_list) |
c3a3c0c9 | 992 | { |
2c5a19c6 | 993 | probes_list.push_back(this); |
c3a3c0c9 WC |
994 | } |
995 | ||
996 | ||
cc9ee605 | 997 | void probe_point::print (ostream& o) const |
56099f08 | 998 | { |
9c0c0e46 FCE |
999 | for (unsigned i=0; i<components.size(); i++) |
1000 | { | |
1001 | if (i>0) o << "."; | |
1002 | probe_point::component* c = components[i]; | |
1003 | o << c->functor; | |
1004 | if (c->arg) | |
1005 | o << "(" << *c->arg << ")"; | |
1006 | } | |
d898100a FCE |
1007 | if (sufficient) |
1008 | o << "!"; | |
1009 | else if (optional) // sufficient implies optional | |
6e3347a9 | 1010 | o << "?"; |
cbbe8080 MH |
1011 | if (condition) |
1012 | o<< " if (" << *condition << ")"; | |
c3a3c0c9 WC |
1013 | } |
1014 | ||
1015 | string probe_point::str () | |
1016 | { | |
1017 | ostringstream o; | |
1018 | for (unsigned i=0; i<components.size(); i++) | |
1019 | { | |
1020 | if (i>0) o << "."; | |
1021 | probe_point::component* c = components[i]; | |
1022 | o << c->functor; | |
1023 | if (c->arg) | |
1024 | o << "(" << *c->arg << ")"; | |
1025 | } | |
d898100a FCE |
1026 | if (sufficient) |
1027 | o << "!"; | |
1028 | else if (optional) // sufficient implies optional | |
c3a3c0c9 | 1029 | o << "?"; |
cbbe8080 MH |
1030 | if (condition) |
1031 | o<< " if (" << *condition << ")"; | |
c3a3c0c9 | 1032 | return o.str(); |
56099f08 FCE |
1033 | } |
1034 | ||
cc9ee605 | 1035 | |
20c6c071 GH |
1036 | probe_alias::probe_alias(std::vector<probe_point*> const & aliases): |
1037 | probe (), alias_names (aliases) | |
1038 | { | |
1039 | } | |
1040 | ||
cc9ee605 | 1041 | void probe_alias::printsig (ostream& o) const |
20c6c071 GH |
1042 | { |
1043 | for (unsigned i=0; i<alias_names.size(); i++) | |
1044 | { | |
1045 | o << (i>0 ? " = " : ""); | |
1046 | alias_names[i]->print (o); | |
1047 | } | |
5227f1ea | 1048 | o << " = "; |
20c6c071 GH |
1049 | for (unsigned i=0; i<locations.size(); i++) |
1050 | { | |
d898100a | 1051 | if (i > 0) o << ", "; |
20c6c071 GH |
1052 | locations[i]->print (o); |
1053 | } | |
1054 | } | |
1055 | ||
56099f08 | 1056 | |
cc9ee605 | 1057 | ostream& operator << (ostream& o, const probe_point& k) |
82919855 FCE |
1058 | { |
1059 | k.print (o); | |
1060 | return o; | |
1061 | } | |
1062 | ||
1063 | ||
cc9ee605 | 1064 | ostream& operator << (ostream& o, const symboldecl& k) |
56099f08 FCE |
1065 | { |
1066 | k.print (o); | |
1067 | return o; | |
1068 | } | |
1069 | ||
1070 | ||
82919855 FCE |
1071 | |
1072 | // ------------------------------------------------------------------------ | |
1073 | // visitors | |
1074 | ||
1075 | ||
1076 | void | |
1077 | block::visit (visitor* u) | |
1078 | { | |
1079 | u->visit_block (this); | |
1080 | } | |
1081 | ||
54dfabe9 FCE |
1082 | |
1083 | void | |
1084 | embeddedcode::visit (visitor* u) | |
1085 | { | |
1086 | u->visit_embeddedcode (this); | |
1087 | } | |
1088 | ||
1089 | ||
82919855 FCE |
1090 | void |
1091 | for_loop::visit (visitor* u) | |
1092 | { | |
1093 | u->visit_for_loop (this); | |
1094 | } | |
1095 | ||
69c68955 FCE |
1096 | void |
1097 | foreach_loop::visit (visitor* u) | |
1098 | { | |
1099 | u->visit_foreach_loop (this); | |
1100 | } | |
1101 | ||
82919855 FCE |
1102 | void |
1103 | null_statement::visit (visitor* u) | |
1104 | { | |
1105 | u->visit_null_statement (this); | |
1106 | } | |
1107 | ||
1108 | void | |
1109 | expr_statement::visit (visitor* u) | |
1110 | { | |
1111 | u->visit_expr_statement (this); | |
1112 | } | |
1113 | ||
1114 | void | |
1115 | return_statement::visit (visitor* u) | |
1116 | { | |
1117 | u->visit_return_statement (this); | |
1118 | } | |
1119 | ||
1120 | void | |
1121 | delete_statement::visit (visitor* u) | |
1122 | { | |
d7f3e0c5 | 1123 | u->push_active_lvalue (this->value); |
82919855 | 1124 | u->visit_delete_statement (this); |
d7f3e0c5 | 1125 | u->pop_active_lvalue (); |
82919855 FCE |
1126 | } |
1127 | ||
1128 | void | |
1129 | if_statement::visit (visitor* u) | |
1130 | { | |
1131 | u->visit_if_statement (this); | |
1132 | } | |
1133 | ||
f3c26ea5 FCE |
1134 | void |
1135 | next_statement::visit (visitor* u) | |
1136 | { | |
1137 | u->visit_next_statement (this); | |
1138 | } | |
1139 | ||
1140 | void | |
1141 | break_statement::visit (visitor* u) | |
1142 | { | |
1143 | u->visit_break_statement (this); | |
1144 | } | |
1145 | ||
1146 | void | |
1147 | continue_statement::visit (visitor* u) | |
1148 | { | |
1149 | u->visit_continue_statement (this); | |
1150 | } | |
1151 | ||
82919855 FCE |
1152 | void |
1153 | literal_string::visit(visitor* u) | |
1154 | { | |
1155 | u->visit_literal_string (this); | |
1156 | } | |
1157 | ||
1158 | void | |
1159 | literal_number::visit(visitor* u) | |
1160 | { | |
1161 | u->visit_literal_number (this); | |
1162 | } | |
1163 | ||
1164 | void | |
1165 | binary_expression::visit (visitor* u) | |
1166 | { | |
1167 | u->visit_binary_expression (this); | |
1168 | } | |
1169 | ||
1170 | void | |
1171 | unary_expression::visit (visitor* u) | |
1172 | { | |
1173 | u->visit_unary_expression (this); | |
1174 | } | |
1175 | ||
1176 | void | |
1177 | pre_crement::visit (visitor* u) | |
1178 | { | |
d7f3e0c5 | 1179 | u->push_active_lvalue (this->operand); |
82919855 | 1180 | u->visit_pre_crement (this); |
d7f3e0c5 | 1181 | u->pop_active_lvalue (); |
82919855 FCE |
1182 | } |
1183 | ||
1184 | void | |
1185 | post_crement::visit (visitor* u) | |
1186 | { | |
d7f3e0c5 | 1187 | u->push_active_lvalue (this->operand); |
82919855 | 1188 | u->visit_post_crement (this); |
d7f3e0c5 | 1189 | u->pop_active_lvalue (); |
82919855 FCE |
1190 | } |
1191 | ||
1192 | void | |
1193 | logical_or_expr::visit (visitor* u) | |
1194 | { | |
1195 | u->visit_logical_or_expr (this); | |
1196 | } | |
1197 | ||
1198 | void | |
1199 | logical_and_expr::visit (visitor* u) | |
1200 | { | |
1201 | u->visit_logical_and_expr (this); | |
1202 | } | |
1203 | ||
1204 | void | |
1205 | array_in::visit (visitor* u) | |
1206 | { | |
1207 | u->visit_array_in (this); | |
1208 | } | |
1209 | ||
1210 | void | |
1211 | comparison::visit (visitor* u) | |
1212 | { | |
1213 | u->visit_comparison (this); | |
1214 | } | |
1215 | ||
1216 | void | |
1217 | concatenation::visit (visitor* u) | |
1218 | { | |
1219 | u->visit_concatenation (this); | |
1220 | } | |
1221 | ||
82919855 FCE |
1222 | void |
1223 | ternary_expression::visit (visitor* u) | |
1224 | { | |
1225 | u->visit_ternary_expression (this); | |
1226 | } | |
1227 | ||
1228 | void | |
1229 | assignment::visit (visitor* u) | |
1230 | { | |
d7f3e0c5 | 1231 | u->push_active_lvalue (this->left); |
82919855 | 1232 | u->visit_assignment (this); |
d7f3e0c5 | 1233 | u->pop_active_lvalue (); |
82919855 FCE |
1234 | } |
1235 | ||
1236 | void | |
1237 | symbol::visit (visitor* u) | |
1238 | { | |
1239 | u->visit_symbol (this); | |
1240 | } | |
1241 | ||
dff50e09 | 1242 | void |
d7f3e0c5 GH |
1243 | target_symbol::visit (visitor* u) |
1244 | { | |
1245 | u->visit_target_symbol(this); | |
1246 | } | |
1247 | ||
9b5af295 JS |
1248 | void |
1249 | cast_op::visit (visitor* u) | |
1250 | { | |
1251 | u->visit_cast_op(this); | |
1252 | } | |
1253 | ||
82919855 FCE |
1254 | void |
1255 | arrayindex::visit (visitor* u) | |
1256 | { | |
1257 | u->visit_arrayindex (this); | |
1258 | } | |
1259 | ||
1260 | void | |
1261 | functioncall::visit (visitor* u) | |
1262 | { | |
1263 | u->visit_functioncall (this); | |
1264 | } | |
1265 | ||
d02548c0 GH |
1266 | void |
1267 | print_format::visit (visitor *u) | |
1268 | { | |
1269 | u->visit_print_format (this); | |
1270 | } | |
1271 | ||
1272 | void | |
1273 | stat_op::visit (visitor *u) | |
1274 | { | |
1275 | u->visit_stat_op (this); | |
1276 | } | |
1277 | ||
1278 | void | |
1279 | hist_op::visit (visitor *u) | |
1280 | { | |
1281 | u->visit_hist_op (this); | |
1282 | } | |
1283 | ||
dff50e09 | 1284 | void |
d02548c0 GH |
1285 | indexable::print_indexable (std::ostream& o) const |
1286 | { | |
1287 | const symbol *sym; | |
1288 | const hist_op *hist; | |
1289 | classify_const_indexable(this, sym, hist); | |
1290 | if (sym) | |
1291 | sym->print (o); | |
1292 | else | |
1293 | { | |
1294 | assert (hist); | |
1295 | hist->print (o); | |
dff50e09 | 1296 | } |
d02548c0 GH |
1297 | } |
1298 | ||
dff50e09 | 1299 | void |
d02548c0 GH |
1300 | indexable::visit_indexable (visitor* u) |
1301 | { | |
1302 | symbol *sym; | |
1303 | hist_op *hist; | |
1304 | classify_indexable(this, sym, hist); | |
1305 | if (sym) | |
1306 | sym->visit (u); | |
1307 | else | |
1308 | { | |
1309 | assert (hist); | |
1310 | hist->visit (u); | |
1311 | } | |
1312 | } | |
1313 | ||
1314 | ||
dff50e09 | 1315 | bool |
d02548c0 GH |
1316 | indexable::is_symbol(symbol *& sym_out) |
1317 | { | |
1318 | sym_out = NULL; | |
1319 | return false; | |
1320 | } | |
1321 | ||
dff50e09 | 1322 | bool |
d02548c0 GH |
1323 | indexable::is_hist_op(hist_op *& hist_out) |
1324 | { | |
1325 | hist_out = NULL; | |
1326 | return false; | |
1327 | } | |
1328 | ||
dff50e09 | 1329 | bool |
d02548c0 GH |
1330 | indexable::is_const_symbol(const symbol *& sym_out) const |
1331 | { | |
1332 | sym_out = NULL; | |
1333 | return false; | |
1334 | } | |
1335 | ||
dff50e09 | 1336 | bool |
d02548c0 GH |
1337 | indexable::is_const_hist_op(const hist_op *& hist_out) const |
1338 | { | |
1339 | hist_out = NULL; | |
1340 | return false; | |
1341 | } | |
1342 | ||
dff50e09 | 1343 | bool |
d02548c0 GH |
1344 | symbol::is_symbol(symbol *& sym_out) |
1345 | { | |
1346 | sym_out = this; | |
1347 | return true; | |
1348 | } | |
1349 | ||
dff50e09 | 1350 | bool |
d02548c0 GH |
1351 | symbol::is_const_symbol(const symbol *& sym_out) const |
1352 | { | |
1353 | sym_out = this; | |
1354 | return true; | |
1355 | } | |
1356 | ||
1357 | const token * | |
1358 | symbol::get_tok() const | |
1359 | { | |
1360 | return tok; | |
1361 | } | |
1362 | ||
dff50e09 | 1363 | bool |
d02548c0 GH |
1364 | hist_op::is_hist_op(hist_op *& hist_out) |
1365 | { | |
1366 | hist_out = this; | |
1367 | return true; | |
1368 | } | |
1369 | ||
dff50e09 | 1370 | bool |
d02548c0 GH |
1371 | hist_op::is_const_hist_op(const hist_op *& hist_out) const |
1372 | { | |
1373 | hist_out = this; | |
1374 | return true; | |
1375 | } | |
1376 | ||
1377 | const token * | |
1378 | hist_op::get_tok() const | |
1379 | { | |
1380 | return tok; | |
1381 | } | |
1382 | ||
1383 | void | |
1384 | classify_indexable(indexable* ix, | |
1385 | symbol *& array_out, | |
dff50e09 | 1386 | hist_op *& hist_out) |
d02548c0 GH |
1387 | { |
1388 | array_out = NULL; | |
1389 | hist_out = NULL; | |
1390 | if (!(ix->is_symbol (array_out) || ix->is_hist_op (hist_out))) | |
1391 | throw semantic_error("Expecting symbol or histogram operator", ix->get_tok()); | |
1392 | if (ix && !(hist_out || array_out)) | |
1393 | throw semantic_error("Failed to classify indexable", ix->get_tok()); | |
1394 | } | |
1395 | ||
1396 | void | |
1397 | classify_const_indexable(const indexable* ix, | |
1398 | const symbol *& array_out, | |
dff50e09 | 1399 | const hist_op *& hist_out) |
d02548c0 GH |
1400 | { |
1401 | array_out = NULL; | |
1402 | hist_out = NULL; | |
1403 | if (!(ix->is_const_symbol(array_out) || ix->is_const_hist_op(hist_out))) | |
1404 | throw semantic_error("Expecting symbol or histogram operator", ix->get_tok()); | |
1405 | } | |
1406 | ||
d7f3e0c5 GH |
1407 | // ------------------------------------------------------------------------ |
1408 | ||
dff50e09 | 1409 | bool |
d7f3e0c5 GH |
1410 | visitor::is_active_lvalue(expression *e) |
1411 | { | |
1412 | for (unsigned i = 0; i < active_lvalues.size(); ++i) | |
1413 | { | |
1414 | if (active_lvalues[i] == e) | |
1415 | return true; | |
1416 | } | |
1417 | return false; | |
1418 | } | |
1419 | ||
dff50e09 | 1420 | void |
d7f3e0c5 GH |
1421 | visitor::push_active_lvalue(expression *e) |
1422 | { | |
1423 | active_lvalues.push_back(e); | |
1424 | } | |
1425 | ||
dff50e09 | 1426 | void |
d7f3e0c5 GH |
1427 | visitor::pop_active_lvalue() |
1428 | { | |
1429 | assert(!active_lvalues.empty()); | |
1430 | active_lvalues.pop_back(); | |
1431 | } | |
1432 | ||
1433 | ||
82919855 FCE |
1434 | |
1435 | // ------------------------------------------------------------------------ | |
1436 | ||
1437 | void | |
54dfabe9 | 1438 | traversing_visitor::visit_block (block* s) |
82919855 FCE |
1439 | { |
1440 | for (unsigned i=0; i<s->statements.size(); i++) | |
1441 | s->statements[i]->visit (this); | |
1442 | } | |
1443 | ||
1444 | void | |
78f6bba6 | 1445 | traversing_visitor::visit_embeddedcode (embeddedcode*) |
54dfabe9 FCE |
1446 | { |
1447 | } | |
1448 | ||
1449 | void | |
78f6bba6 | 1450 | traversing_visitor::visit_null_statement (null_statement*) |
82919855 FCE |
1451 | { |
1452 | } | |
1453 | ||
1454 | void | |
54dfabe9 | 1455 | traversing_visitor::visit_expr_statement (expr_statement* s) |
82919855 FCE |
1456 | { |
1457 | s->value->visit (this); | |
1458 | } | |
1459 | ||
1460 | void | |
1461 | traversing_visitor::visit_if_statement (if_statement* s) | |
1462 | { | |
1463 | s->condition->visit (this); | |
1464 | s->thenblock->visit (this); | |
2b066ec1 FCE |
1465 | if (s->elseblock) |
1466 | s->elseblock->visit (this); | |
82919855 FCE |
1467 | } |
1468 | ||
1469 | void | |
1470 | traversing_visitor::visit_for_loop (for_loop* s) | |
1471 | { | |
cbfbbf69 | 1472 | if (s->init) s->init->visit (this); |
82919855 | 1473 | s->cond->visit (this); |
cbfbbf69 | 1474 | if (s->incr) s->incr->visit (this); |
82919855 FCE |
1475 | s->block->visit (this); |
1476 | } | |
1477 | ||
69c68955 FCE |
1478 | void |
1479 | traversing_visitor::visit_foreach_loop (foreach_loop* s) | |
1480 | { | |
dff50e09 | 1481 | symbol *array = NULL; |
71572ba8 GH |
1482 | hist_op *hist = NULL; |
1483 | classify_indexable (s->base, array, hist); | |
1484 | if (array) | |
1485 | array->visit(this); | |
1486 | else | |
1487 | hist->visit(this); | |
1488 | ||
69c68955 FCE |
1489 | for (unsigned i=0; i<s->indexes.size(); i++) |
1490 | s->indexes[i]->visit (this); | |
27f21e8c DS |
1491 | |
1492 | if (s->limit) | |
1493 | s->limit->visit (this); | |
1494 | ||
69c68955 FCE |
1495 | s->block->visit (this); |
1496 | } | |
1497 | ||
82919855 FCE |
1498 | void |
1499 | traversing_visitor::visit_return_statement (return_statement* s) | |
1500 | { | |
1501 | s->value->visit (this); | |
1502 | } | |
1503 | ||
1504 | void | |
1505 | traversing_visitor::visit_delete_statement (delete_statement* s) | |
1506 | { | |
1507 | s->value->visit (this); | |
1508 | } | |
1509 | ||
f3c26ea5 | 1510 | void |
78f6bba6 | 1511 | traversing_visitor::visit_next_statement (next_statement*) |
f3c26ea5 FCE |
1512 | { |
1513 | } | |
1514 | ||
1515 | void | |
78f6bba6 | 1516 | traversing_visitor::visit_break_statement (break_statement*) |
f3c26ea5 FCE |
1517 | { |
1518 | } | |
1519 | ||
1520 | void | |
78f6bba6 | 1521 | traversing_visitor::visit_continue_statement (continue_statement*) |
f3c26ea5 FCE |
1522 | { |
1523 | } | |
1524 | ||
82919855 | 1525 | void |
78f6bba6 | 1526 | traversing_visitor::visit_literal_string (literal_string*) |
82919855 FCE |
1527 | { |
1528 | } | |
1529 | ||
1530 | void | |
78f6bba6 | 1531 | traversing_visitor::visit_literal_number (literal_number*) |
82919855 FCE |
1532 | { |
1533 | } | |
1534 | ||
1535 | void | |
1536 | traversing_visitor::visit_binary_expression (binary_expression* e) | |
1537 | { | |
1538 | e->left->visit (this); | |
1539 | e->right->visit (this); | |
1540 | } | |
1541 | ||
1542 | void | |
1543 | traversing_visitor::visit_unary_expression (unary_expression* e) | |
1544 | { | |
1545 | e->operand->visit (this); | |
1546 | } | |
1547 | ||
1548 | void | |
1549 | traversing_visitor::visit_pre_crement (pre_crement* e) | |
1550 | { | |
1551 | e->operand->visit (this); | |
1552 | } | |
1553 | ||
1554 | void | |
1555 | traversing_visitor::visit_post_crement (post_crement* e) | |
1556 | { | |
1557 | e->operand->visit (this); | |
1558 | } | |
1559 | ||
1560 | ||
1561 | void | |
1562 | traversing_visitor::visit_logical_or_expr (logical_or_expr* e) | |
1563 | { | |
1564 | e->left->visit (this); | |
1565 | e->right->visit (this); | |
1566 | } | |
1567 | ||
1568 | void | |
1569 | traversing_visitor::visit_logical_and_expr (logical_and_expr* e) | |
1570 | { | |
1571 | e->left->visit (this); | |
1572 | e->right->visit (this); | |
1573 | } | |
1574 | ||
1575 | void | |
1576 | traversing_visitor::visit_array_in (array_in* e) | |
1577 | { | |
ce10591c | 1578 | e->operand->visit (this); |
82919855 FCE |
1579 | } |
1580 | ||
1581 | void | |
1582 | traversing_visitor::visit_comparison (comparison* e) | |
1583 | { | |
1584 | e->left->visit (this); | |
1585 | e->right->visit (this); | |
1586 | } | |
1587 | ||
1588 | void | |
1589 | traversing_visitor::visit_concatenation (concatenation* e) | |
1590 | { | |
1591 | e->left->visit (this); | |
1592 | e->right->visit (this); | |
1593 | } | |
1594 | ||
82919855 FCE |
1595 | void |
1596 | traversing_visitor::visit_ternary_expression (ternary_expression* e) | |
1597 | { | |
1598 | e->cond->visit (this); | |
1599 | e->truevalue->visit (this); | |
1600 | e->falsevalue->visit (this); | |
1601 | } | |
1602 | ||
1603 | void | |
1604 | traversing_visitor::visit_assignment (assignment* e) | |
1605 | { | |
1606 | e->left->visit (this); | |
1607 | e->right->visit (this); | |
1608 | } | |
1609 | ||
1610 | void | |
78f6bba6 | 1611 | traversing_visitor::visit_symbol (symbol*) |
82919855 FCE |
1612 | { |
1613 | } | |
1614 | ||
d7f3e0c5 | 1615 | void |
78f6bba6 | 1616 | traversing_visitor::visit_target_symbol (target_symbol*) |
d7f3e0c5 GH |
1617 | { |
1618 | } | |
1619 | ||
9b5af295 JS |
1620 | void |
1621 | traversing_visitor::visit_cast_op (cast_op* e) | |
1622 | { | |
1623 | e->operand->visit (this); | |
1624 | } | |
1625 | ||
82919855 FCE |
1626 | void |
1627 | traversing_visitor::visit_arrayindex (arrayindex* e) | |
1628 | { | |
cbfbbf69 FCE |
1629 | for (unsigned i=0; i<e->indexes.size(); i++) |
1630 | e->indexes[i]->visit (this); | |
1631 | ||
1bbeef03 GH |
1632 | symbol *array = NULL; |
1633 | hist_op *hist = NULL; | |
1634 | classify_indexable(e->base, array, hist); | |
1635 | if (array) | |
1636 | return array->visit(this); | |
1637 | else | |
1638 | return hist->visit(this); | |
82919855 FCE |
1639 | } |
1640 | ||
1641 | void | |
1642 | traversing_visitor::visit_functioncall (functioncall* e) | |
1643 | { | |
1644 | for (unsigned i=0; i<e->args.size(); i++) | |
1645 | e->args[i]->visit (this); | |
1646 | } | |
1647 | ||
d02548c0 GH |
1648 | void |
1649 | traversing_visitor::visit_print_format (print_format* e) | |
1650 | { | |
1651 | for (unsigned i=0; i<e->args.size(); i++) | |
1652 | e->args[i]->visit (this); | |
a4636912 GH |
1653 | if (e->hist) |
1654 | e->hist->visit(this); | |
d02548c0 GH |
1655 | } |
1656 | ||
1657 | void | |
1658 | traversing_visitor::visit_stat_op (stat_op* e) | |
1659 | { | |
1660 | e->stat->visit (this); | |
1661 | } | |
1662 | ||
1663 | void | |
1664 | traversing_visitor::visit_hist_op (hist_op* e) | |
1665 | { | |
1666 | e->stat->visit (this); | |
1667 | } | |
1668 | ||
82919855 | 1669 | |
cbfbbf69 | 1670 | void |
dff50e09 | 1671 | functioncall_traversing_visitor::visit_functioncall (functioncall* e) |
cbfbbf69 FCE |
1672 | { |
1673 | traversing_visitor::visit_functioncall (e); | |
1674 | ||
1675 | // prevent infinite recursion | |
1676 | if (traversed.find (e->referent) == traversed.end ()) | |
1677 | { | |
1678 | traversed.insert (e->referent); | |
1679 | // recurse | |
3066c15c FCE |
1680 | functiondecl* last_current_function = current_function; |
1681 | current_function = e->referent; | |
cbfbbf69 | 1682 | e->referent->body->visit (this); |
3066c15c | 1683 | current_function = last_current_function; |
cbfbbf69 FCE |
1684 | } |
1685 | } | |
1686 | ||
1687 | ||
1688 | void | |
1689 | varuse_collecting_visitor::visit_embeddedcode (embeddedcode *s) | |
1690 | { | |
1b07c728 FCE |
1691 | // We want to elide embedded-C functions when possible. For |
1692 | // example, each $target variable access is expanded to an | |
1693 | // embedded-C function call. Yet, for safety reasons, we should | |
1694 | // presume that embedded-C functions have intentional side-effects. | |
1695 | // | |
1696 | // To tell these two types of functions apart, we apply a | |
1697 | // Kludge(tm): we look for a magic string within the function body. | |
1698 | // $target variables as rvalues will have this; lvalues won't. | |
1699 | // Also, explicit side-effect-free tapset functions will have this. | |
dff50e09 | 1700 | |
3066c15c | 1701 | assert (current_function); // only they get embedded code |
1b07c728 | 1702 | if (s->code.find ("/* pure */") != string::npos) |
3066c15c FCE |
1703 | return; |
1704 | ||
cbfbbf69 FCE |
1705 | embedded_seen = true; |
1706 | } | |
1707 | ||
b0be9bdb FCE |
1708 | void |
1709 | varuse_collecting_visitor::visit_target_symbol (target_symbol *e) | |
1710 | { | |
1711 | // Still-unresolved target symbol assignments get treated as | |
1712 | // generating side-effects like embedded-C, to prevent premature | |
1713 | // elision and later error message suppression (PR5516). rvalue use | |
1714 | // of unresolved target symbols is OTOH not considered a side-effect. | |
1715 | ||
1716 | if (is_active_lvalue (e)) | |
1717 | embedded_seen = true; | |
1718 | } | |
cbfbbf69 | 1719 | |
9b5af295 JS |
1720 | void |
1721 | varuse_collecting_visitor::visit_cast_op (cast_op *e) | |
1722 | { | |
1723 | // As with target_symbols, unresolved cast assignments need to preserved | |
1724 | // for later error handling. | |
1725 | if (is_active_lvalue (e)) | |
1726 | embedded_seen = true; | |
1727 | ||
1728 | functioncall_traversing_visitor::visit_cast_op (e); | |
1729 | } | |
1730 | ||
cbfbbf69 FCE |
1731 | void |
1732 | varuse_collecting_visitor::visit_print_format (print_format* e) | |
1733 | { | |
1734 | // NB: Instead of being top-level statements, "print" and "printf" | |
1735 | // are implemented as statement-expressions containing a | |
1736 | // print_format. They have side-effects, but not via the | |
dff50e09 | 1737 | // embedded-code detection method above. |
1b07c728 FCE |
1738 | // |
1739 | // But sprint and sprintf don't have side-effects. | |
1740 | ||
1741 | if (e->print_to_stream) | |
1742 | embedded_seen = true; // a proxy for "has unknown side-effects" | |
1743 | ||
cbfbbf69 FCE |
1744 | functioncall_traversing_visitor::visit_print_format (e); |
1745 | } | |
1746 | ||
1747 | ||
1748 | void | |
1749 | varuse_collecting_visitor::visit_assignment (assignment *e) | |
1750 | { | |
1751 | if (e->op == "=" || e->op == "<<<") // pure writes | |
1752 | { | |
3066c15c | 1753 | expression* last_lvalue = current_lvalue; |
cbfbbf69 FCE |
1754 | current_lvalue = e->left; // leave a mark for ::visit_symbol |
1755 | functioncall_traversing_visitor::visit_assignment (e); | |
1756 | current_lvalue = last_lvalue; | |
1757 | } | |
1758 | else // read-modify-writes | |
1759 | { | |
1760 | expression* last_lrvalue = current_lrvalue; | |
1761 | current_lrvalue = e->left; // leave a mark for ::visit_symbol | |
1762 | functioncall_traversing_visitor::visit_assignment (e); | |
1763 | current_lrvalue = last_lrvalue; | |
1764 | } | |
1765 | } | |
1766 | ||
1767 | void | |
1768 | varuse_collecting_visitor::visit_symbol (symbol *e) | |
1769 | { | |
1770 | if (e->referent == 0) | |
1771 | throw semantic_error ("symbol without referent", e->tok); | |
1772 | ||
d0c4107b FCE |
1773 | // We could handle initialized globals by marking them as "written". |
1774 | // However, this current visitor may be called for a function or | |
1775 | // probe body, from the point of view of which this global is | |
1776 | // already initialized, so not written. | |
1777 | /* | |
27d24ae2 FCE |
1778 | if (e->referent->init) |
1779 | written.insert (e->referent); | |
d0c4107b | 1780 | */ |
27d24ae2 | 1781 | |
cbfbbf69 FCE |
1782 | if (current_lvalue == e || current_lrvalue == e) |
1783 | { | |
1784 | written.insert (e->referent); | |
1785 | // clog << "write "; | |
1786 | } | |
1787 | if (current_lvalue != e || current_lrvalue == e) | |
1788 | { | |
1789 | read.insert (e->referent); | |
1790 | // clog << "read "; | |
1791 | } | |
1792 | // clog << *e->tok << endl; | |
1793 | } | |
1794 | ||
1795 | // NB: stat_op need not be overridden, since it will get to | |
1796 | // visit_symbol and only as a possible rvalue. | |
1797 | ||
d20fd9e9 | 1798 | |
cbfbbf69 FCE |
1799 | void |
1800 | varuse_collecting_visitor::visit_arrayindex (arrayindex *e) | |
1801 | { | |
1802 | // Hooking this callback is necessary because of the hacky | |
1803 | // statistics representation. For the expression "i[4] = 5", the | |
1804 | // incoming lvalue will point to this arrayindex. However, the | |
1805 | // symbol corresponding to the "i[4]" is multiply inherited with | |
1806 | // arrayindex. If the symbol base part of this object is not at | |
1807 | // offset 0, then static_cast<symbol*>(e) may result in a different | |
1808 | // address, and not match lvalue by number when we recurse that way. | |
1809 | // So we explicitly override the incoming lvalue/lrvalue values to | |
1810 | // point at the embedded objects' actual base addresses. | |
1811 | ||
1812 | expression* last_lrvalue = current_lrvalue; | |
1813 | expression* last_lvalue = current_lvalue; | |
1814 | ||
1815 | symbol *array = NULL; | |
1816 | hist_op *hist = NULL; | |
1817 | classify_indexable(e->base, array, hist); | |
1818 | ||
1819 | if (array) | |
1820 | { | |
1821 | if (current_lrvalue == e) current_lrvalue = array; | |
1822 | if (current_lvalue == e) current_lvalue = array; | |
1823 | functioncall_traversing_visitor::visit_arrayindex (e); | |
1824 | } | |
1825 | else // if (hist) | |
1826 | { | |
1827 | if (current_lrvalue == e) current_lrvalue = hist->stat; | |
1828 | if (current_lvalue == e) current_lvalue = hist->stat; | |
1829 | functioncall_traversing_visitor::visit_arrayindex (e); | |
1830 | } | |
1831 | ||
1832 | current_lrvalue = last_lrvalue; | |
1833 | current_lvalue = last_lvalue; | |
1834 | } | |
1835 | ||
1836 | ||
1837 | void | |
1838 | varuse_collecting_visitor::visit_pre_crement (pre_crement *e) | |
1839 | { | |
1840 | expression* last_lrvalue = current_lrvalue; | |
1841 | current_lrvalue = e->operand; // leave a mark for ::visit_symbol | |
1842 | functioncall_traversing_visitor::visit_pre_crement (e); | |
1843 | current_lrvalue = last_lrvalue; | |
1844 | } | |
1845 | ||
1846 | void | |
1847 | varuse_collecting_visitor::visit_post_crement (post_crement *e) | |
1848 | { | |
1849 | expression* last_lrvalue = current_lrvalue; | |
1850 | current_lrvalue = e->operand; // leave a mark for ::visit_symbol | |
1851 | functioncall_traversing_visitor::visit_post_crement (e); | |
1852 | current_lrvalue = last_lrvalue; | |
1853 | } | |
1854 | ||
3066c15c FCE |
1855 | void |
1856 | varuse_collecting_visitor::visit_foreach_loop (foreach_loop* s) | |
1857 | { | |
27d24ae2 FCE |
1858 | // NB: we duplicate so don't bother call |
1859 | // functioncall_traversing_visitor::visit_foreach_loop (s); | |
1860 | ||
dff50e09 | 1861 | symbol *array = NULL; |
27d24ae2 FCE |
1862 | hist_op *hist = NULL; |
1863 | classify_indexable (s->base, array, hist); | |
1864 | if (array) | |
1865 | array->visit(this); | |
1866 | else | |
1867 | hist->visit(this); | |
1868 | ||
3066c15c | 1869 | // If the collection is sorted, imply a "write" access to the |
27d24ae2 | 1870 | // array in addition to the "read" one already noted above. |
3066c15c FCE |
1871 | if (s->sort_direction) |
1872 | { | |
dff50e09 | 1873 | symbol *array = NULL; |
3066c15c FCE |
1874 | hist_op *hist = NULL; |
1875 | classify_indexable (s->base, array, hist); | |
1876 | if (array) this->written.insert (array->referent); | |
1877 | // XXX: Can hist_op iterations be sorted? | |
1878 | } | |
27d24ae2 FCE |
1879 | |
1880 | // NB: don't forget to visit the index expressions, which are lvalues. | |
1881 | for (unsigned i=0; i<s->indexes.size(); i++) | |
1882 | { | |
1883 | expression* last_lvalue = current_lvalue; | |
1884 | current_lvalue = s->indexes[i]; // leave a mark for ::visit_symbol | |
1885 | s->indexes[i]->visit (this); | |
1886 | current_lvalue = last_lvalue; | |
1887 | } | |
1888 | ||
1889 | if (s->limit) | |
1890 | s->limit->visit (this); | |
1891 | ||
1892 | s->block->visit (this); | |
3066c15c | 1893 | } |
cbfbbf69 FCE |
1894 | |
1895 | ||
3066c15c FCE |
1896 | void |
1897 | varuse_collecting_visitor::visit_delete_statement (delete_statement* s) | |
1898 | { | |
1899 | // Ideally, this would be treated like an assignment: a plain write | |
1900 | // to the underlying value ("lvalue"). XXX: However, the | |
1901 | // optimization pass is not smart enough to remove an unneeded | |
1902 | // "delete" yet, so we pose more like a *crement ("lrvalue"). This | |
1903 | // should protect the underlying value from optimizional mischief. | |
1904 | expression* last_lrvalue = current_lrvalue; | |
1905 | current_lrvalue = s->value; // leave a mark for ::visit_symbol | |
1906 | functioncall_traversing_visitor::visit_delete_statement (s); | |
1907 | current_lrvalue = last_lrvalue; | |
1908 | } | |
cbfbbf69 | 1909 | |
cf9ff341 FCE |
1910 | bool |
1911 | varuse_collecting_visitor::side_effect_free () | |
1912 | { | |
1913 | return (written.empty() && !embedded_seen); | |
1914 | } | |
1915 | ||
1916 | ||
1917 | bool | |
1918 | varuse_collecting_visitor::side_effect_free_wrt (const set<vardecl*>& vars) | |
1919 | { | |
1920 | // A looser notion of side-effect-freeness with respect to a given | |
1921 | // list of variables. | |
1922 | ||
1923 | // That's useful because the written list may consist of local | |
1924 | // variables of called functions. But visible side-effects only | |
1925 | // occur if the client's locals, or any globals are written-to. | |
1926 | ||
1927 | set<vardecl*> intersection; | |
1928 | insert_iterator<set<vardecl*> > int_it (intersection, intersection.begin()); | |
1929 | set_intersection (written.begin(), written.end(), | |
1930 | vars.begin(), vars.end(), | |
1931 | int_it); | |
1932 | ||
1933 | return (intersection.empty() && !embedded_seen); | |
1934 | } | |
1935 | ||
1936 | ||
1937 | ||
cbfbbf69 | 1938 | |
82919855 FCE |
1939 | // ------------------------------------------------------------------------ |
1940 | ||
1941 | ||
1942 | throwing_visitor::throwing_visitor (const std::string& m): msg (m) {} | |
1943 | throwing_visitor::throwing_visitor (): msg ("invalid element") {} | |
1944 | ||
1945 | ||
1946 | void | |
1947 | throwing_visitor::throwone (const token* t) | |
1948 | { | |
1949 | throw semantic_error (msg, t); | |
1950 | } | |
1951 | ||
1952 | void | |
54dfabe9 FCE |
1953 | throwing_visitor::visit_block (block* s) |
1954 | { | |
1955 | throwone (s->tok); | |
1956 | } | |
1957 | ||
1958 | void | |
1959 | throwing_visitor::visit_embeddedcode (embeddedcode* s) | |
82919855 FCE |
1960 | { |
1961 | throwone (s->tok); | |
1962 | } | |
1963 | ||
1964 | void | |
54dfabe9 | 1965 | throwing_visitor::visit_null_statement (null_statement* s) |
82919855 FCE |
1966 | { |
1967 | throwone (s->tok); | |
1968 | } | |
1969 | ||
1970 | void | |
54dfabe9 | 1971 | throwing_visitor::visit_expr_statement (expr_statement* s) |
82919855 FCE |
1972 | { |
1973 | throwone (s->tok); | |
1974 | } | |
1975 | ||
1976 | void | |
1977 | throwing_visitor::visit_if_statement (if_statement* s) | |
1978 | { | |
1979 | throwone (s->tok); | |
1980 | } | |
1981 | ||
1982 | void | |
1983 | throwing_visitor::visit_for_loop (for_loop* s) | |
1984 | { | |
1985 | throwone (s->tok); | |
1986 | } | |
1987 | ||
69c68955 FCE |
1988 | void |
1989 | throwing_visitor::visit_foreach_loop (foreach_loop* s) | |
1990 | { | |
1991 | throwone (s->tok); | |
1992 | } | |
1993 | ||
82919855 FCE |
1994 | void |
1995 | throwing_visitor::visit_return_statement (return_statement* s) | |
1996 | { | |
1997 | throwone (s->tok); | |
1998 | } | |
1999 | ||
2000 | void | |
2001 | throwing_visitor::visit_delete_statement (delete_statement* s) | |
2002 | { | |
2003 | throwone (s->tok); | |
2004 | } | |
2005 | ||
f3c26ea5 FCE |
2006 | void |
2007 | throwing_visitor::visit_next_statement (next_statement* s) | |
2008 | { | |
2009 | throwone (s->tok); | |
2010 | } | |
2011 | ||
2012 | void | |
2013 | throwing_visitor::visit_break_statement (break_statement* s) | |
2014 | { | |
2015 | throwone (s->tok); | |
2016 | } | |
2017 | ||
2018 | void | |
2019 | throwing_visitor::visit_continue_statement (continue_statement* s) | |
2020 | { | |
2021 | throwone (s->tok); | |
2022 | } | |
2023 | ||
82919855 FCE |
2024 | void |
2025 | throwing_visitor::visit_literal_string (literal_string* e) | |
2026 | { | |
2027 | throwone (e->tok); | |
2028 | } | |
2029 | ||
2030 | void | |
2031 | throwing_visitor::visit_literal_number (literal_number* e) | |
2032 | { | |
2033 | throwone (e->tok); | |
2034 | } | |
2035 | ||
2036 | void | |
2037 | throwing_visitor::visit_binary_expression (binary_expression* e) | |
2038 | { | |
2039 | throwone (e->tok); | |
2040 | } | |
2041 | ||
2042 | void | |
2043 | throwing_visitor::visit_unary_expression (unary_expression* e) | |
2044 | { | |
2045 | throwone (e->tok); | |
2046 | } | |
2047 | ||
2048 | void | |
2049 | throwing_visitor::visit_pre_crement (pre_crement* e) | |
2050 | { | |
2051 | throwone (e->tok); | |
2052 | } | |
2053 | ||
2054 | void | |
2055 | throwing_visitor::visit_post_crement (post_crement* e) | |
2056 | { | |
2057 | throwone (e->tok); | |
0054a7ea FCE |
2058 | } |
2059 | ||
2060 | ||
82919855 FCE |
2061 | void |
2062 | throwing_visitor::visit_logical_or_expr (logical_or_expr* e) | |
2063 | { | |
2064 | throwone (e->tok); | |
2065 | } | |
2066 | ||
2067 | void | |
2068 | throwing_visitor::visit_logical_and_expr (logical_and_expr* e) | |
2069 | { | |
2070 | throwone (e->tok); | |
2071 | } | |
2072 | ||
2073 | void | |
2074 | throwing_visitor::visit_array_in (array_in* e) | |
2075 | { | |
2076 | throwone (e->tok); | |
2077 | } | |
2078 | ||
2079 | void | |
2080 | throwing_visitor::visit_comparison (comparison* e) | |
2081 | { | |
2082 | throwone (e->tok); | |
2083 | } | |
2084 | ||
2085 | void | |
2086 | throwing_visitor::visit_concatenation (concatenation* e) | |
2087 | { | |
2088 | throwone (e->tok); | |
2089 | } | |
2090 | ||
82919855 FCE |
2091 | void |
2092 | throwing_visitor::visit_ternary_expression (ternary_expression* e) | |
2093 | { | |
2094 | throwone (e->tok); | |
2095 | } | |
2096 | ||
2097 | void | |
2098 | throwing_visitor::visit_assignment (assignment* e) | |
2099 | { | |
2100 | throwone (e->tok); | |
2101 | } | |
2102 | ||
2103 | void | |
2104 | throwing_visitor::visit_symbol (symbol* e) | |
2105 | { | |
2106 | throwone (e->tok); | |
2107 | } | |
2108 | ||
d7f3e0c5 GH |
2109 | void |
2110 | throwing_visitor::visit_target_symbol (target_symbol* e) | |
2111 | { | |
2112 | throwone (e->tok); | |
2113 | } | |
2114 | ||
9b5af295 JS |
2115 | void |
2116 | throwing_visitor::visit_cast_op (cast_op* e) | |
2117 | { | |
2118 | throwone (e->tok); | |
2119 | } | |
2120 | ||
82919855 FCE |
2121 | void |
2122 | throwing_visitor::visit_arrayindex (arrayindex* e) | |
2123 | { | |
2124 | throwone (e->tok); | |
2125 | } | |
2126 | ||
2127 | void | |
2128 | throwing_visitor::visit_functioncall (functioncall* e) | |
2129 | { | |
2130 | throwone (e->tok); | |
2131 | } | |
85365d1b | 2132 | |
d02548c0 GH |
2133 | void |
2134 | throwing_visitor::visit_print_format (print_format* e) | |
2135 | { | |
2136 | throwone (e->tok); | |
2137 | } | |
2138 | ||
2139 | void | |
2140 | throwing_visitor::visit_stat_op (stat_op* e) | |
2141 | { | |
2142 | throwone (e->tok); | |
2143 | } | |
2144 | ||
2145 | void | |
2146 | throwing_visitor::visit_hist_op (hist_op* e) | |
2147 | { | |
2148 | throwone (e->tok); | |
2149 | } | |
2150 | ||
85365d1b GH |
2151 | |
2152 | // ------------------------------------------------------------------------ | |
2153 | ||
85365d1b GH |
2154 | |
2155 | void | |
4b6455e8 | 2156 | update_visitor::visit_block (block* s) |
85365d1b | 2157 | { |
85365d1b | 2158 | for (unsigned i = 0; i < s->statements.size(); ++i) |
4b6455e8 JS |
2159 | s->statements[i] = require (s->statements[i]); |
2160 | provide (s); | |
2161 | } | |
2162 | ||
2163 | void | |
2164 | update_visitor::visit_embeddedcode (embeddedcode* s) | |
2165 | { | |
2166 | provide (s); | |
2167 | } | |
2168 | ||
2169 | void | |
2170 | update_visitor::visit_null_statement (null_statement* s) | |
2171 | { | |
2172 | provide (s); | |
2173 | } | |
2174 | ||
2175 | void | |
2176 | update_visitor::visit_expr_statement (expr_statement* s) | |
2177 | { | |
2178 | s->value = require (s->value); | |
2179 | provide (s); | |
2180 | } | |
2181 | ||
2182 | void | |
2183 | update_visitor::visit_if_statement (if_statement* s) | |
2184 | { | |
2185 | s->condition = require (s->condition); | |
2186 | s->thenblock = require (s->thenblock); | |
2187 | s->elseblock = require (s->elseblock); | |
2188 | provide (s); | |
2189 | } | |
2190 | ||
2191 | void | |
2192 | update_visitor::visit_for_loop (for_loop* s) | |
2193 | { | |
2194 | s->init = require (s->init); | |
2195 | s->cond = require (s->cond); | |
2196 | s->incr = require (s->incr); | |
2197 | s->block = require (s->block); | |
2198 | provide (s); | |
2199 | } | |
2200 | ||
2201 | void | |
2202 | update_visitor::visit_foreach_loop (foreach_loop* s) | |
2203 | { | |
2204 | for (unsigned i = 0; i < s->indexes.size(); ++i) | |
2205 | s->indexes[i] = require (s->indexes[i]); | |
2206 | s->base = require (s->base); | |
2207 | s->limit = require (s->limit); | |
2208 | s->block = require (s->block); | |
2209 | provide (s); | |
2210 | } | |
2211 | ||
2212 | void | |
2213 | update_visitor::visit_return_statement (return_statement* s) | |
2214 | { | |
2215 | s->value = require (s->value); | |
2216 | provide (s); | |
2217 | } | |
2218 | ||
2219 | void | |
2220 | update_visitor::visit_delete_statement (delete_statement* s) | |
2221 | { | |
2222 | s->value = require (s->value); | |
2223 | provide (s); | |
2224 | } | |
2225 | ||
2226 | void | |
2227 | update_visitor::visit_next_statement (next_statement* s) | |
2228 | { | |
2229 | provide (s); | |
2230 | } | |
2231 | ||
2232 | void | |
2233 | update_visitor::visit_break_statement (break_statement* s) | |
2234 | { | |
2235 | provide (s); | |
2236 | } | |
2237 | ||
2238 | void | |
2239 | update_visitor::visit_continue_statement (continue_statement* s) | |
2240 | { | |
2241 | provide (s); | |
2242 | } | |
2243 | ||
2244 | void | |
2245 | update_visitor::visit_literal_string (literal_string* e) | |
2246 | { | |
2247 | provide (e); | |
2248 | } | |
2249 | ||
2250 | void | |
2251 | update_visitor::visit_literal_number (literal_number* e) | |
2252 | { | |
2253 | provide (e); | |
2254 | } | |
2255 | ||
2256 | void | |
2257 | update_visitor::visit_binary_expression (binary_expression* e) | |
2258 | { | |
2259 | e->left = require (e->left); | |
2260 | e->right = require (e->right); | |
2261 | provide (e); | |
2262 | } | |
2263 | ||
2264 | void | |
2265 | update_visitor::visit_unary_expression (unary_expression* e) | |
2266 | { | |
2267 | e->operand = require (e->operand); | |
2268 | provide (e); | |
2269 | } | |
2270 | ||
2271 | void | |
2272 | update_visitor::visit_pre_crement (pre_crement* e) | |
2273 | { | |
2274 | e->operand = require (e->operand); | |
2275 | provide (e); | |
2276 | } | |
2277 | ||
2278 | void | |
2279 | update_visitor::visit_post_crement (post_crement* e) | |
2280 | { | |
2281 | e->operand = require (e->operand); | |
2282 | provide (e); | |
2283 | } | |
2284 | ||
2285 | ||
2286 | void | |
2287 | update_visitor::visit_logical_or_expr (logical_or_expr* e) | |
2288 | { | |
2289 | e->left = require (e->left); | |
2290 | e->right = require (e->right); | |
2291 | provide (e); | |
2292 | } | |
2293 | ||
2294 | void | |
2295 | update_visitor::visit_logical_and_expr (logical_and_expr* e) | |
2296 | { | |
2297 | e->left = require (e->left); | |
2298 | e->right = require (e->right); | |
2299 | provide (e); | |
2300 | } | |
2301 | ||
2302 | void | |
2303 | update_visitor::visit_array_in (array_in* e) | |
2304 | { | |
2305 | e->operand = require (e->operand); | |
2306 | provide (e); | |
2307 | } | |
2308 | ||
2309 | void | |
2310 | update_visitor::visit_comparison (comparison* e) | |
2311 | { | |
2312 | e->left = require (e->left); | |
2313 | e->right = require (e->right); | |
2314 | provide (e); | |
2315 | } | |
2316 | ||
2317 | void | |
2318 | update_visitor::visit_concatenation (concatenation* e) | |
2319 | { | |
2320 | e->left = require (e->left); | |
2321 | e->right = require (e->right); | |
2322 | provide (e); | |
2323 | } | |
2324 | ||
2325 | void | |
2326 | update_visitor::visit_ternary_expression (ternary_expression* e) | |
2327 | { | |
2328 | e->cond = require (e->cond); | |
2329 | e->truevalue = require (e->truevalue); | |
2330 | e->falsevalue = require (e->falsevalue); | |
2331 | provide (e); | |
2332 | } | |
2333 | ||
2334 | void | |
2335 | update_visitor::visit_assignment (assignment* e) | |
2336 | { | |
2337 | e->left = require (e->left); | |
2338 | e->right = require (e->right); | |
2339 | provide (e); | |
2340 | } | |
2341 | ||
2342 | void | |
2343 | update_visitor::visit_symbol (symbol* e) | |
2344 | { | |
2345 | provide (e); | |
2346 | } | |
2347 | ||
2348 | void | |
2349 | update_visitor::visit_target_symbol (target_symbol* e) | |
2350 | { | |
2351 | provide (e); | |
2352 | } | |
2353 | ||
9b5af295 JS |
2354 | void |
2355 | update_visitor::visit_cast_op (cast_op* e) | |
2356 | { | |
2357 | e->operand = require (e->operand); | |
2358 | provide (e); | |
2359 | } | |
2360 | ||
4b6455e8 JS |
2361 | void |
2362 | update_visitor::visit_arrayindex (arrayindex* e) | |
2363 | { | |
2364 | e->base = require (e->base); | |
2365 | for (unsigned i = 0; i < e->indexes.size(); ++i) | |
2366 | e->indexes[i] = require (e->indexes[i]); | |
2367 | provide (e); | |
2368 | } | |
2369 | ||
2370 | void | |
2371 | update_visitor::visit_functioncall (functioncall* e) | |
2372 | { | |
2373 | for (unsigned i = 0; i < e->args.size(); ++i) | |
2374 | e->args[i] = require (e->args[i]); | |
2375 | provide (e); | |
2376 | } | |
2377 | ||
2378 | void | |
2379 | update_visitor::visit_print_format (print_format* e) | |
2380 | { | |
2381 | for (unsigned i = 0; i < e->args.size(); ++i) | |
2382 | e->args[i] = require (e->args[i]); | |
2383 | e->hist = require (e->hist); | |
2384 | provide (e); | |
2385 | } | |
2386 | ||
2387 | void | |
2388 | update_visitor::visit_stat_op (stat_op* e) | |
2389 | { | |
2390 | e->stat = require (e->stat); | |
2391 | provide (e); | |
2392 | } | |
2393 | ||
2394 | void | |
2395 | update_visitor::visit_hist_op (hist_op* e) | |
2396 | { | |
2397 | e->stat = require (e->stat); | |
2398 | provide (e); | |
2399 | } | |
2400 | ||
2401 | template <> indexable* | |
1cd151d5 | 2402 | update_visitor::require <indexable*> (indexable* src, bool clearok) |
4b6455e8 JS |
2403 | { |
2404 | indexable *dst = NULL; | |
2405 | if (src != NULL) | |
2406 | { | |
2407 | symbol *array_src=NULL; | |
2408 | hist_op *hist_src=NULL; | |
2409 | ||
2410 | classify_indexable(src, array_src, hist_src); | |
2411 | ||
2412 | if (array_src) | |
2413 | dst = require (array_src); | |
2414 | else | |
2415 | dst = require (hist_src); | |
1cd151d5 | 2416 | assert(clearok || dst); |
4b6455e8 JS |
2417 | } |
2418 | return dst; | |
2419 | } | |
2420 | ||
2421 | ||
2422 | // ------------------------------------------------------------------------ | |
2423 | ||
2424 | ||
2425 | void | |
2426 | deep_copy_visitor::visit_block (block* s) | |
2427 | { | |
2428 | update_visitor::visit_block(new block(*s)); | |
85365d1b GH |
2429 | } |
2430 | ||
2431 | void | |
54dfabe9 FCE |
2432 | deep_copy_visitor::visit_embeddedcode (embeddedcode* s) |
2433 | { | |
4b6455e8 | 2434 | update_visitor::visit_embeddedcode(new embeddedcode(*s)); |
54dfabe9 FCE |
2435 | } |
2436 | ||
2437 | void | |
2438 | deep_copy_visitor::visit_null_statement (null_statement* s) | |
85365d1b | 2439 | { |
4b6455e8 | 2440 | update_visitor::visit_null_statement(new null_statement(*s)); |
85365d1b GH |
2441 | } |
2442 | ||
2443 | void | |
54dfabe9 | 2444 | deep_copy_visitor::visit_expr_statement (expr_statement* s) |
85365d1b | 2445 | { |
4b6455e8 | 2446 | update_visitor::visit_expr_statement(new expr_statement(*s)); |
85365d1b GH |
2447 | } |
2448 | ||
2449 | void | |
2450 | deep_copy_visitor::visit_if_statement (if_statement* s) | |
2451 | { | |
4b6455e8 | 2452 | update_visitor::visit_if_statement(new if_statement(*s)); |
85365d1b GH |
2453 | } |
2454 | ||
2455 | void | |
2456 | deep_copy_visitor::visit_for_loop (for_loop* s) | |
2457 | { | |
4b6455e8 | 2458 | update_visitor::visit_for_loop(new for_loop(*s)); |
85365d1b GH |
2459 | } |
2460 | ||
2461 | void | |
2462 | deep_copy_visitor::visit_foreach_loop (foreach_loop* s) | |
2463 | { | |
4b6455e8 | 2464 | update_visitor::visit_foreach_loop(new foreach_loop(*s)); |
85365d1b GH |
2465 | } |
2466 | ||
2467 | void | |
2468 | deep_copy_visitor::visit_return_statement (return_statement* s) | |
2469 | { | |
4b6455e8 | 2470 | update_visitor::visit_return_statement(new return_statement(*s)); |
85365d1b GH |
2471 | } |
2472 | ||
2473 | void | |
2474 | deep_copy_visitor::visit_delete_statement (delete_statement* s) | |
2475 | { | |
4b6455e8 | 2476 | update_visitor::visit_delete_statement(new delete_statement(*s)); |
85365d1b GH |
2477 | } |
2478 | ||
2479 | void | |
2480 | deep_copy_visitor::visit_next_statement (next_statement* s) | |
2481 | { | |
4b6455e8 | 2482 | update_visitor::visit_next_statement(new next_statement(*s)); |
85365d1b GH |
2483 | } |
2484 | ||
2485 | void | |
2486 | deep_copy_visitor::visit_break_statement (break_statement* s) | |
2487 | { | |
4b6455e8 | 2488 | update_visitor::visit_break_statement(new break_statement(*s)); |
85365d1b GH |
2489 | } |
2490 | ||
2491 | void | |
2492 | deep_copy_visitor::visit_continue_statement (continue_statement* s) | |
2493 | { | |
4b6455e8 | 2494 | update_visitor::visit_continue_statement(new continue_statement(*s)); |
85365d1b GH |
2495 | } |
2496 | ||
2497 | void | |
2498 | deep_copy_visitor::visit_literal_string (literal_string* e) | |
2499 | { | |
4b6455e8 | 2500 | update_visitor::visit_literal_string(new literal_string(*e)); |
85365d1b GH |
2501 | } |
2502 | ||
2503 | void | |
2504 | deep_copy_visitor::visit_literal_number (literal_number* e) | |
2505 | { | |
4b6455e8 | 2506 | update_visitor::visit_literal_number(new literal_number(*e)); |
85365d1b GH |
2507 | } |
2508 | ||
2509 | void | |
2510 | deep_copy_visitor::visit_binary_expression (binary_expression* e) | |
2511 | { | |
4b6455e8 | 2512 | update_visitor::visit_binary_expression(new binary_expression(*e)); |
85365d1b GH |
2513 | } |
2514 | ||
2515 | void | |
2516 | deep_copy_visitor::visit_unary_expression (unary_expression* e) | |
2517 | { | |
4b6455e8 | 2518 | update_visitor::visit_unary_expression(new unary_expression(*e)); |
85365d1b GH |
2519 | } |
2520 | ||
2521 | void | |
2522 | deep_copy_visitor::visit_pre_crement (pre_crement* e) | |
2523 | { | |
4b6455e8 | 2524 | update_visitor::visit_pre_crement(new pre_crement(*e)); |
85365d1b GH |
2525 | } |
2526 | ||
2527 | void | |
2528 | deep_copy_visitor::visit_post_crement (post_crement* e) | |
2529 | { | |
4b6455e8 | 2530 | update_visitor::visit_post_crement(new post_crement(*e)); |
85365d1b GH |
2531 | } |
2532 | ||
2533 | ||
2534 | void | |
2535 | deep_copy_visitor::visit_logical_or_expr (logical_or_expr* e) | |
2536 | { | |
4b6455e8 | 2537 | update_visitor::visit_logical_or_expr(new logical_or_expr(*e)); |
85365d1b GH |
2538 | } |
2539 | ||
2540 | void | |
2541 | deep_copy_visitor::visit_logical_and_expr (logical_and_expr* e) | |
2542 | { | |
4b6455e8 | 2543 | update_visitor::visit_logical_and_expr(new logical_and_expr(*e)); |
85365d1b GH |
2544 | } |
2545 | ||
2546 | void | |
2547 | deep_copy_visitor::visit_array_in (array_in* e) | |
2548 | { | |
4b6455e8 | 2549 | update_visitor::visit_array_in(new array_in(*e)); |
85365d1b GH |
2550 | } |
2551 | ||
2552 | void | |
2553 | deep_copy_visitor::visit_comparison (comparison* e) | |
2554 | { | |
4b6455e8 | 2555 | update_visitor::visit_comparison(new comparison(*e)); |
85365d1b GH |
2556 | } |
2557 | ||
2558 | void | |
2559 | deep_copy_visitor::visit_concatenation (concatenation* e) | |
2560 | { | |
4b6455e8 | 2561 | update_visitor::visit_concatenation(new concatenation(*e)); |
85365d1b GH |
2562 | } |
2563 | ||
2564 | void | |
2565 | deep_copy_visitor::visit_ternary_expression (ternary_expression* e) | |
2566 | { | |
4b6455e8 | 2567 | update_visitor::visit_ternary_expression(new ternary_expression(*e)); |
85365d1b GH |
2568 | } |
2569 | ||
2570 | void | |
2571 | deep_copy_visitor::visit_assignment (assignment* e) | |
2572 | { | |
4b6455e8 | 2573 | update_visitor::visit_assignment(new assignment(*e)); |
85365d1b GH |
2574 | } |
2575 | ||
2576 | void | |
2577 | deep_copy_visitor::visit_symbol (symbol* e) | |
2578 | { | |
4b6455e8 JS |
2579 | symbol* n = new symbol(*e); |
2580 | n->referent = NULL; // don't copy! | |
2581 | update_visitor::visit_symbol(n); | |
d7f3e0c5 GH |
2582 | } |
2583 | ||
2584 | void | |
2585 | deep_copy_visitor::visit_target_symbol (target_symbol* e) | |
2586 | { | |
4b6455e8 JS |
2587 | target_symbol* n = new target_symbol(*e); |
2588 | n->referent = NULL; // don't copy! | |
2589 | update_visitor::visit_target_symbol(n); | |
85365d1b GH |
2590 | } |
2591 | ||
9b5af295 JS |
2592 | void |
2593 | deep_copy_visitor::visit_cast_op (cast_op* e) | |
2594 | { | |
2595 | update_visitor::visit_cast_op(new cast_op(*e)); | |
2596 | } | |
2597 | ||
85365d1b GH |
2598 | void |
2599 | deep_copy_visitor::visit_arrayindex (arrayindex* e) | |
2600 | { | |
4b6455e8 | 2601 | update_visitor::visit_arrayindex(new arrayindex(*e)); |
85365d1b GH |
2602 | } |
2603 | ||
2604 | void | |
2605 | deep_copy_visitor::visit_functioncall (functioncall* e) | |
2606 | { | |
4b6455e8 JS |
2607 | functioncall* n = new functioncall(*e); |
2608 | n->referent = NULL; // don't copy! | |
2609 | update_visitor::visit_functioncall(n); | |
85365d1b GH |
2610 | } |
2611 | ||
d02548c0 GH |
2612 | void |
2613 | deep_copy_visitor::visit_print_format (print_format* e) | |
2614 | { | |
4b6455e8 | 2615 | update_visitor::visit_print_format(new print_format(*e)); |
d02548c0 GH |
2616 | } |
2617 | ||
2618 | void | |
2619 | deep_copy_visitor::visit_stat_op (stat_op* e) | |
2620 | { | |
4b6455e8 | 2621 | update_visitor::visit_stat_op(new stat_op(*e)); |
d02548c0 GH |
2622 | } |
2623 | ||
2624 | void | |
2625 | deep_copy_visitor::visit_hist_op (hist_op* e) | |
2626 | { | |
4b6455e8 | 2627 | update_visitor::visit_hist_op(new hist_op(*e)); |
edc22ba9 DB |
2628 | } |
2629 | ||
73267b89 | 2630 | /* vim: set sw=2 ts=8 cino=>4,n-2,{2,^-2,t0,(0,u0,w1,M1 : */ |