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1 | /* Cycript - Optimizing JavaScript Compiler/Runtime | |
2 | * Copyright (C) 2009-2014 Jay Freeman (saurik) | |
3 | */ | |
4 | ||
5 | /* GNU Affero General Public License, Version 3 {{{ */ | |
6 | /* | |
7 | * This program is free software: you can redistribute it and/or modify | |
8 | * it under the terms of the GNU Affero General Public License as published by | |
9 | * the Free Software Foundation, either version 3 of the License, or | |
10 | * (at your option) any later version. | |
11 | ||
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU Affero General Public License for more details. | |
16 | ||
17 | * You should have received a copy of the GNU Affero General Public License | |
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | **/ | |
20 | /* }}} */ | |
21 | ||
22 | #ifndef CYCRIPT_PARSER_HPP | |
23 | #define CYCRIPT_PARSER_HPP | |
24 | ||
25 | #include <iostream> | |
26 | ||
27 | #include <string> | |
28 | #include <vector> | |
29 | #include <map> | |
30 | #include <set> | |
31 | ||
32 | #include <cstdio> | |
33 | #include <cstdlib> | |
34 | ||
35 | #include "List.hpp" | |
36 | #include "Location.hpp" | |
37 | #include "Pooling.hpp" | |
38 | #include "Options.hpp" | |
39 | ||
40 | struct CYContext; | |
41 | ||
42 | struct CYThing { | |
43 | virtual ~CYThing() { | |
44 | } | |
45 | ||
46 | virtual void Output(struct CYOutput &out) const = 0; | |
47 | }; | |
48 | ||
49 | struct CYOutput { | |
50 | std::ostream &out_; | |
51 | CYOptions &options_; | |
52 | bool pretty_; | |
53 | unsigned indent_; | |
54 | bool right_; | |
55 | ||
56 | enum { | |
57 | NoMode, | |
58 | NoLetter, | |
59 | NoPlus, | |
60 | NoHyphen, | |
61 | Terminated | |
62 | } mode_; | |
63 | ||
64 | CYOutput(std::ostream &out, CYOptions &options) : | |
65 | out_(out), | |
66 | options_(options), | |
67 | pretty_(false), | |
68 | indent_(0), | |
69 | right_(false), | |
70 | mode_(NoMode) | |
71 | { | |
72 | } | |
73 | ||
74 | void Check(char value); | |
75 | void Terminate(); | |
76 | ||
77 | CYOutput &operator <<(char rhs); | |
78 | CYOutput &operator <<(const char *rhs); | |
79 | ||
80 | _finline CYOutput &operator <<(const CYThing *rhs) { | |
81 | if (rhs != NULL) | |
82 | rhs->Output(*this); | |
83 | return *this; | |
84 | } | |
85 | ||
86 | _finline CYOutput &operator <<(const CYThing &rhs) { | |
87 | rhs.Output(*this); | |
88 | return *this; | |
89 | } | |
90 | }; | |
91 | ||
92 | struct CYPropertyName { | |
93 | virtual void PropertyName(CYOutput &out) const = 0; | |
94 | ||
95 | virtual ~CYPropertyName() { | |
96 | } | |
97 | }; | |
98 | ||
99 | struct CYExpression; | |
100 | struct CYAssignment; | |
101 | ||
102 | enum CYNeeded { | |
103 | CYNever = -1, | |
104 | CYSometimes = 0, | |
105 | CYAlways = 1, | |
106 | }; | |
107 | ||
108 | enum CYFlags { | |
109 | CYNoFlags = 0, | |
110 | CYNoBrace = (1 << 0), | |
111 | CYNoFunction = (1 << 1), | |
112 | CYNoIn = (1 << 2), | |
113 | CYNoCall = (1 << 3), | |
114 | CYNoRightHand = (1 << 4), | |
115 | CYNoDangle = (1 << 5), | |
116 | CYNoInteger = (1 << 6), | |
117 | CYNoBF = (CYNoBrace | CYNoFunction), | |
118 | }; | |
119 | ||
120 | _finline CYFlags operator ~(CYFlags rhs) { | |
121 | return static_cast<CYFlags>(~static_cast<unsigned>(rhs)); | |
122 | } | |
123 | ||
124 | _finline CYFlags operator &(CYFlags lhs, CYFlags rhs) { | |
125 | return static_cast<CYFlags>(static_cast<unsigned>(lhs) & static_cast<unsigned>(rhs)); | |
126 | } | |
127 | ||
128 | _finline CYFlags operator |(CYFlags lhs, CYFlags rhs) { | |
129 | return static_cast<CYFlags>(static_cast<unsigned>(lhs) | static_cast<unsigned>(rhs)); | |
130 | } | |
131 | ||
132 | _finline CYFlags &operator |=(CYFlags &lhs, CYFlags rhs) { | |
133 | return lhs = lhs | rhs; | |
134 | } | |
135 | ||
136 | _finline CYFlags CYLeft(CYFlags flags) { | |
137 | return flags & ~(CYNoDangle | CYNoInteger); | |
138 | } | |
139 | ||
140 | _finline CYFlags CYRight(CYFlags flags) { | |
141 | return flags & ~CYNoBF; | |
142 | } | |
143 | ||
144 | _finline CYFlags CYCenter(CYFlags flags) { | |
145 | return CYLeft(CYRight(flags)); | |
146 | } | |
147 | ||
148 | struct CYStatement : | |
149 | CYNext<CYStatement> | |
150 | { | |
151 | virtual ~CYStatement() { | |
152 | } | |
153 | ||
154 | void Single(CYOutput &out, CYFlags flags) const; | |
155 | void Multiple(CYOutput &out, CYFlags flags = CYNoFlags) const; | |
156 | ||
157 | virtual CYStatement *Replace(CYContext &context) = 0; | |
158 | ||
159 | private: | |
160 | virtual void Output(CYOutput &out, CYFlags flags) const = 0; | |
161 | }; | |
162 | ||
163 | struct CYStatements { | |
164 | CYStatement *first_; | |
165 | CYStatement *last_; | |
166 | ||
167 | CYStatements() : | |
168 | first_(NULL), | |
169 | last_(NULL) | |
170 | { | |
171 | } | |
172 | ||
173 | operator CYStatement *() const { | |
174 | return first_; | |
175 | } | |
176 | ||
177 | CYStatements &operator ->*(CYStatement *next) { | |
178 | if (next != NULL) | |
179 | if (first_ == NULL) { | |
180 | first_ = next; | |
181 | last_ = next; | |
182 | } else for (;; last_ = last_->next_) | |
183 | if (last_->next_ == NULL) { | |
184 | last_->next_ = next; | |
185 | last_ = next; | |
186 | break; | |
187 | } | |
188 | return *this; | |
189 | } | |
190 | }; | |
191 | ||
192 | struct CYClassName { | |
193 | virtual ~CYClassName() { | |
194 | } | |
195 | ||
196 | virtual CYExpression *ClassName(CYContext &context, bool object) = 0; | |
197 | virtual void ClassName(CYOutput &out, bool object) const = 0; | |
198 | }; | |
199 | ||
200 | struct CYWord : | |
201 | CYThing, | |
202 | CYPropertyName, | |
203 | CYClassName | |
204 | { | |
205 | const char *word_; | |
206 | ||
207 | CYWord(const char *word) : | |
208 | word_(word) | |
209 | { | |
210 | } | |
211 | ||
212 | void Set(const char *value) { | |
213 | word_ = value; | |
214 | } | |
215 | ||
216 | virtual const char *Word() const; | |
217 | virtual void Output(CYOutput &out) const; | |
218 | ||
219 | virtual CYExpression *ClassName(CYContext &context, bool object); | |
220 | virtual void ClassName(CYOutput &out, bool object) const; | |
221 | virtual void PropertyName(CYOutput &out) const; | |
222 | }; | |
223 | ||
224 | _finline std::ostream &operator <<(std::ostream &lhs, const CYWord &rhs) { | |
225 | lhs << &rhs << '='; | |
226 | return lhs << rhs.Word(); | |
227 | } | |
228 | ||
229 | struct CYIdentifier : | |
230 | CYNext<CYIdentifier>, | |
231 | CYWord | |
232 | { | |
233 | CYIdentifier *replace_; | |
234 | size_t offset_; | |
235 | size_t usage_; | |
236 | ||
237 | CYIdentifier(const char *word) : | |
238 | CYWord(word), | |
239 | replace_(NULL), | |
240 | offset_(0), | |
241 | usage_(0) | |
242 | { | |
243 | } | |
244 | ||
245 | virtual const char *Word() const; | |
246 | CYIdentifier *Replace(CYContext &context); | |
247 | }; | |
248 | ||
249 | struct CYComment : | |
250 | CYStatement | |
251 | { | |
252 | const char *value_; | |
253 | ||
254 | CYComment(const char *value) : | |
255 | value_(value) | |
256 | { | |
257 | } | |
258 | ||
259 | virtual CYStatement *Replace(CYContext &context); | |
260 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
261 | }; | |
262 | ||
263 | struct CYLabel : | |
264 | CYStatement | |
265 | { | |
266 | CYIdentifier *name_; | |
267 | CYStatement *statement_; | |
268 | ||
269 | CYLabel(CYIdentifier *name, CYStatement *statement) : | |
270 | name_(name), | |
271 | statement_(statement) | |
272 | { | |
273 | } | |
274 | ||
275 | virtual CYStatement *Replace(CYContext &context); | |
276 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
277 | }; | |
278 | ||
279 | struct CYCStringLess : | |
280 | std::binary_function<const char *, const char *, bool> | |
281 | { | |
282 | _finline bool operator ()(const char *lhs, const char *rhs) const { | |
283 | return strcmp(lhs, rhs) < 0; | |
284 | } | |
285 | }; | |
286 | ||
287 | struct CYIdentifierValueLess : | |
288 | std::binary_function<CYIdentifier *, CYIdentifier *, bool> | |
289 | { | |
290 | _finline bool operator ()(CYIdentifier *lhs, CYIdentifier *rhs) const { | |
291 | return CYCStringLess()(lhs->Word(), rhs->Word()); | |
292 | } | |
293 | }; | |
294 | ||
295 | enum CYIdentifierFlags { | |
296 | CYIdentifierArgument, | |
297 | CYIdentifierVariable, | |
298 | CYIdentifierOther, | |
299 | CYIdentifierMagic, | |
300 | CYIdentifierCatch, | |
301 | }; | |
302 | ||
303 | typedef std::set<const char *, CYCStringLess> CYCStringSet; | |
304 | typedef std::set<CYIdentifier *, CYIdentifierValueLess> CYIdentifierValueSet; | |
305 | typedef std::map<CYIdentifier *, CYIdentifierFlags> CYIdentifierAddressFlagsMap; | |
306 | ||
307 | struct CYIdentifierUsage { | |
308 | CYIdentifier *identifier_; | |
309 | size_t usage_; | |
310 | }; | |
311 | ||
312 | typedef std::vector<CYIdentifierUsage> CYIdentifierUsageVector; | |
313 | ||
314 | struct CYScope { | |
315 | bool transparent_; | |
316 | ||
317 | CYContext &context_; | |
318 | CYStatement *&statements_; | |
319 | ||
320 | CYScope *parent_; | |
321 | ||
322 | CYIdentifierAddressFlagsMap internal_; | |
323 | CYIdentifierValueSet identifiers_; | |
324 | ||
325 | CYScope(bool transparent, CYContext &context, CYStatement *&statements); | |
326 | virtual ~CYScope(); | |
327 | ||
328 | void Close(); | |
329 | ||
330 | void Declare(CYContext &context, CYIdentifier *identifier, CYIdentifierFlags flags); | |
331 | virtual CYIdentifier *Lookup(CYContext &context, CYIdentifier *identifier); | |
332 | void Merge(CYContext &context, CYIdentifier *identifier); | |
333 | void Scope(CYContext &context, CYStatement *&statements); | |
334 | }; | |
335 | ||
336 | struct CYProgram : | |
337 | CYThing | |
338 | { | |
339 | CYStatement *statements_; | |
340 | ||
341 | CYProgram(CYStatement *statements) : | |
342 | statements_(statements) | |
343 | { | |
344 | } | |
345 | ||
346 | virtual void Replace(CYContext &context); | |
347 | virtual void Output(CYOutput &out) const; | |
348 | }; | |
349 | ||
350 | struct CYNonLocal; | |
351 | struct CYThisScope; | |
352 | ||
353 | struct CYContext { | |
354 | CYOptions &options_; | |
355 | ||
356 | CYScope *scope_; | |
357 | CYThisScope *this_; | |
358 | ||
359 | CYIdentifierUsageVector rename_; | |
360 | ||
361 | CYNonLocal *nonlocal_; | |
362 | CYNonLocal *nextlocal_; | |
363 | unsigned unique_; | |
364 | ||
365 | CYContext(CYOptions &options) : | |
366 | options_(options), | |
367 | scope_(NULL), | |
368 | this_(NULL), | |
369 | nonlocal_(NULL), | |
370 | nextlocal_(NULL), | |
371 | unique_(0) | |
372 | { | |
373 | } | |
374 | ||
375 | virtual ~CYContext() { | |
376 | } | |
377 | ||
378 | template <typename Type_> | |
379 | void ReplaceAll(Type_ *&values) { | |
380 | Type_ **last(&values); | |
381 | CYForEach (next, values) { | |
382 | Replace(*last = next); | |
383 | if (*last != NULL) | |
384 | last = &(*last)->next_; | |
385 | } | |
386 | } | |
387 | ||
388 | template <typename Type_> | |
389 | void Replace(Type_ *&value) { | |
390 | for (;;) if (value == NULL) | |
391 | break; | |
392 | else { | |
393 | Type_ *replace(value->Replace(*this)); | |
394 | if (replace != value) | |
395 | value = replace; | |
396 | else break; | |
397 | } | |
398 | } | |
399 | ||
400 | void NonLocal(CYStatement *&statements); | |
401 | CYIdentifier *Unique(); | |
402 | }; | |
403 | ||
404 | struct CYNonLocal { | |
405 | CYIdentifier *identifier_; | |
406 | ||
407 | CYNonLocal() : | |
408 | identifier_(NULL) | |
409 | { | |
410 | } | |
411 | ||
412 | CYIdentifier *Target(CYContext &context) { | |
413 | if (identifier_ == NULL) | |
414 | identifier_ = context.Unique(); | |
415 | return identifier_; | |
416 | } | |
417 | }; | |
418 | ||
419 | struct CYThisScope : | |
420 | CYNext<CYThisScope> | |
421 | { | |
422 | CYIdentifier *identifier_; | |
423 | ||
424 | CYThisScope() : | |
425 | identifier_(NULL) | |
426 | { | |
427 | } | |
428 | ||
429 | CYIdentifier *Identifier(CYContext &context) { | |
430 | if (next_ != NULL) | |
431 | return next_->Identifier(context); | |
432 | if (identifier_ == NULL) | |
433 | identifier_ = context.Unique(); | |
434 | return identifier_; | |
435 | } | |
436 | }; | |
437 | ||
438 | struct CYBlock : | |
439 | CYStatement, | |
440 | CYThing | |
441 | { | |
442 | CYStatement *statements_; | |
443 | ||
444 | CYBlock(CYStatement *statements) : | |
445 | statements_(statements) | |
446 | { | |
447 | } | |
448 | ||
449 | operator CYStatement *() const { | |
450 | return statements_; | |
451 | } | |
452 | ||
453 | void AddPrev(CYStatement *statement) { | |
454 | CYSetLast(statement) = statements_; | |
455 | statements_ = statement; | |
456 | } | |
457 | ||
458 | virtual CYStatement *Replace(CYContext &context); | |
459 | ||
460 | virtual void Output(CYOutput &out) const; | |
461 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
462 | }; | |
463 | ||
464 | struct CYForInitialiser { | |
465 | virtual ~CYForInitialiser() { | |
466 | } | |
467 | ||
468 | virtual CYExpression *Replace(CYContext &context) = 0; | |
469 | virtual void Output(CYOutput &out, CYFlags flags) const = 0; | |
470 | }; | |
471 | ||
472 | struct CYForInInitialiser { | |
473 | virtual ~CYForInInitialiser() { | |
474 | } | |
475 | ||
476 | virtual void ForIn(CYOutput &out, CYFlags flags) const = 0; | |
477 | virtual CYStatement *ForEachIn(CYContext &out, CYExpression *value) = 0; | |
478 | ||
479 | virtual CYExpression *Replace(CYContext &context) = 0; | |
480 | virtual CYAssignment *Assignment(CYContext &context) = 0; | |
481 | ||
482 | virtual void Output(CYOutput &out, CYFlags flags) const = 0; | |
483 | }; | |
484 | ||
485 | struct CYNumber; | |
486 | struct CYString; | |
487 | ||
488 | struct CYExpression : | |
489 | CYForInitialiser, | |
490 | CYForInInitialiser, | |
491 | CYClassName, | |
492 | CYThing | |
493 | { | |
494 | virtual int Precedence() const = 0; | |
495 | ||
496 | virtual bool RightHand() const { | |
497 | return true; | |
498 | } | |
499 | ||
500 | virtual void ForIn(CYOutput &out, CYFlags flags) const; | |
501 | virtual CYStatement *ForEachIn(CYContext &out, CYExpression *value); | |
502 | ||
503 | virtual CYExpression *AddArgument(CYContext &context, CYExpression *value); | |
504 | ||
505 | virtual void Output(CYOutput &out) const; | |
506 | virtual void Output(CYOutput &out, CYFlags flags) const = 0; | |
507 | void Output(CYOutput &out, int precedence, CYFlags flags) const; | |
508 | ||
509 | virtual CYExpression *ClassName(CYContext &context, bool object); | |
510 | virtual void ClassName(CYOutput &out, bool object) const; | |
511 | ||
512 | virtual CYExpression *Replace(CYContext &context) = 0; | |
513 | virtual CYAssignment *Assignment(CYContext &context); | |
514 | ||
515 | virtual CYExpression *Primitive(CYContext &context) { | |
516 | return NULL; | |
517 | } | |
518 | ||
519 | virtual CYNumber *Number(CYContext &context) { | |
520 | return NULL; | |
521 | } | |
522 | ||
523 | virtual CYString *String(CYContext &context) { | |
524 | return NULL; | |
525 | } | |
526 | ||
527 | virtual const char *Word() const { | |
528 | return NULL; | |
529 | } | |
530 | }; | |
531 | ||
532 | #define CYAlphabetic(value) \ | |
533 | virtual bool Alphabetic() const { \ | |
534 | return value; \ | |
535 | } | |
536 | ||
537 | #define CYPrecedence(value) \ | |
538 | static const int Precedence_ = value; \ | |
539 | virtual int Precedence() const { \ | |
540 | return Precedence_; \ | |
541 | } | |
542 | ||
543 | #define CYRightHand(value) \ | |
544 | virtual bool RightHand() const { \ | |
545 | return value; \ | |
546 | } | |
547 | ||
548 | struct CYCompound : | |
549 | CYExpression | |
550 | { | |
551 | CYExpression *expression_; | |
552 | CYExpression *next_; | |
553 | ||
554 | CYCompound(CYExpression *expression, CYExpression *next = NULL) : | |
555 | expression_(expression), | |
556 | next_(next) | |
557 | { | |
558 | if (expression_ == NULL) | |
559 | throw; | |
560 | _assert(expression_ != NULL); | |
561 | } | |
562 | ||
563 | CYPrecedence(17) | |
564 | ||
565 | virtual CYExpression *Replace(CYContext &context); | |
566 | void Output(CYOutput &out, CYFlags flags) const; | |
567 | ||
568 | virtual CYExpression *Primitive(CYContext &context); | |
569 | }; | |
570 | ||
571 | struct CYDeclaration; | |
572 | ||
573 | struct CYFunctionParameter : | |
574 | CYNext<CYFunctionParameter>, | |
575 | CYThing | |
576 | { | |
577 | CYForInInitialiser *initialiser_; | |
578 | ||
579 | CYFunctionParameter(CYForInInitialiser *initialiser, CYFunctionParameter *next = NULL) : | |
580 | CYNext<CYFunctionParameter>(next), | |
581 | initialiser_(initialiser) | |
582 | { | |
583 | } | |
584 | ||
585 | void Replace(CYContext &context, CYBlock &code); | |
586 | void Output(CYOutput &out) const; | |
587 | }; | |
588 | ||
589 | struct CYComprehension : | |
590 | CYNext<CYComprehension>, | |
591 | CYThing | |
592 | { | |
593 | CYComprehension(CYComprehension *next = NULL) : | |
594 | CYNext<CYComprehension>(next) | |
595 | { | |
596 | } | |
597 | ||
598 | CYComprehension *Modify(CYComprehension *next) { | |
599 | next_ = next; | |
600 | return this; | |
601 | } | |
602 | ||
603 | virtual const char *Name() const = 0; | |
604 | ||
605 | virtual CYFunctionParameter *Parameter(CYContext &context) const = 0; | |
606 | CYFunctionParameter *Parameters(CYContext &context) const; | |
607 | virtual CYStatement *Replace(CYContext &context, CYStatement *statement) const; | |
608 | virtual void Output(CYOutput &out) const = 0; | |
609 | }; | |
610 | ||
611 | struct CYForInComprehension : | |
612 | CYComprehension | |
613 | { | |
614 | CYIdentifier *name_; | |
615 | CYExpression *set_; | |
616 | ||
617 | CYForInComprehension(CYIdentifier *name, CYExpression *set, CYComprehension *next = NULL) : | |
618 | CYComprehension(next), | |
619 | name_(name), | |
620 | set_(set) | |
621 | { | |
622 | } | |
623 | ||
624 | virtual const char *Name() const { | |
625 | return name_->Word(); | |
626 | } | |
627 | ||
628 | virtual CYFunctionParameter *Parameter(CYContext &context) const; | |
629 | virtual CYStatement *Replace(CYContext &context, CYStatement *statement) const; | |
630 | virtual void Output(CYOutput &out) const; | |
631 | }; | |
632 | ||
633 | struct CYForOfComprehension : | |
634 | CYComprehension | |
635 | { | |
636 | CYIdentifier *name_; | |
637 | CYExpression *set_; | |
638 | ||
639 | CYForOfComprehension(CYIdentifier *name, CYExpression *set, CYComprehension *next = NULL) : | |
640 | CYComprehension(next), | |
641 | name_(name), | |
642 | set_(set) | |
643 | { | |
644 | } | |
645 | ||
646 | virtual const char *Name() const { | |
647 | return name_->Word(); | |
648 | } | |
649 | ||
650 | virtual CYFunctionParameter *Parameter(CYContext &context) const; | |
651 | virtual CYStatement *Replace(CYContext &context, CYStatement *statement) const; | |
652 | virtual void Output(CYOutput &out) const; | |
653 | }; | |
654 | ||
655 | struct CYIfComprehension : | |
656 | CYComprehension | |
657 | { | |
658 | CYExpression *test_; | |
659 | ||
660 | CYIfComprehension(CYExpression *test, CYComprehension *next = NULL) : | |
661 | CYComprehension(next), | |
662 | test_(test) | |
663 | { | |
664 | } | |
665 | ||
666 | virtual const char *Name() const { | |
667 | return NULL; | |
668 | } | |
669 | ||
670 | virtual CYFunctionParameter *Parameter(CYContext &context) const; | |
671 | virtual CYStatement *Replace(CYContext &context, CYStatement *statement) const; | |
672 | virtual void Output(CYOutput &out) const; | |
673 | }; | |
674 | ||
675 | struct CYArrayComprehension : | |
676 | CYExpression | |
677 | { | |
678 | CYExpression *expression_; | |
679 | CYComprehension *comprehensions_; | |
680 | ||
681 | CYArrayComprehension(CYExpression *expression, CYComprehension *comprehensions) : | |
682 | expression_(expression), | |
683 | comprehensions_(comprehensions) | |
684 | { | |
685 | } | |
686 | ||
687 | CYPrecedence(0) | |
688 | ||
689 | virtual CYExpression *Replace(CYContext &context); | |
690 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
691 | }; | |
692 | ||
693 | struct CYLiteral : | |
694 | CYExpression | |
695 | { | |
696 | CYPrecedence(0) | |
697 | CYRightHand(false) | |
698 | ||
699 | virtual CYExpression *Primitive(CYContext &context) { | |
700 | return this; | |
701 | } | |
702 | }; | |
703 | ||
704 | struct CYTrivial : | |
705 | CYLiteral | |
706 | { | |
707 | virtual CYExpression *Replace(CYContext &context); | |
708 | }; | |
709 | ||
710 | struct CYMagic : | |
711 | CYExpression | |
712 | { | |
713 | CYPrecedence(0) | |
714 | CYRightHand(false) | |
715 | }; | |
716 | ||
717 | struct CYRange { | |
718 | uint64_t lo_; | |
719 | uint64_t hi_; | |
720 | ||
721 | CYRange(uint64_t lo, uint64_t hi) : | |
722 | lo_(lo), hi_(hi) | |
723 | { | |
724 | } | |
725 | ||
726 | bool operator [](uint8_t value) const { | |
727 | return !(value >> 7) && (value >> 6 ? hi_ : lo_) >> (value & 0x3f) & 0x1; | |
728 | } | |
729 | ||
730 | void operator()(uint8_t value) { | |
731 | if (value >> 7) | |
732 | return; | |
733 | (value >> 6 ? hi_ : lo_) |= uint64_t(0x1) << (value & 0x3f); | |
734 | } | |
735 | }; | |
736 | ||
737 | extern CYRange DigitRange_; | |
738 | extern CYRange WordStartRange_; | |
739 | extern CYRange WordEndRange_; | |
740 | ||
741 | struct CYString : | |
742 | CYTrivial, | |
743 | CYPropertyName | |
744 | { | |
745 | const char *value_; | |
746 | size_t size_; | |
747 | ||
748 | CYString() : | |
749 | value_(NULL), | |
750 | size_(0) | |
751 | { | |
752 | } | |
753 | ||
754 | CYString(const char *value) : | |
755 | value_(value), | |
756 | size_(strlen(value)) | |
757 | { | |
758 | } | |
759 | ||
760 | CYString(const char *value, size_t size) : | |
761 | value_(value), | |
762 | size_(size) | |
763 | { | |
764 | } | |
765 | ||
766 | CYString(const CYWord *word) : | |
767 | value_(word->Word()), | |
768 | size_(strlen(value_)) | |
769 | { | |
770 | } | |
771 | ||
772 | const char *Value() const { | |
773 | return value_; | |
774 | } | |
775 | ||
776 | virtual const char *Word() const; | |
777 | ||
778 | virtual CYNumber *Number(CYContext &context); | |
779 | virtual CYString *String(CYContext &context); | |
780 | ||
781 | CYString *Concat(CYContext &out, CYString *rhs) const; | |
782 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
783 | virtual void PropertyName(CYOutput &out) const; | |
784 | }; | |
785 | ||
786 | struct CYNumber : | |
787 | CYTrivial, | |
788 | CYPropertyName | |
789 | { | |
790 | double value_; | |
791 | ||
792 | CYNumber(double value) : | |
793 | value_(value) | |
794 | { | |
795 | } | |
796 | ||
797 | double Value() const { | |
798 | return value_; | |
799 | } | |
800 | ||
801 | virtual CYNumber *Number(CYContext &context); | |
802 | virtual CYString *String(CYContext &context); | |
803 | ||
804 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
805 | virtual void PropertyName(CYOutput &out) const; | |
806 | }; | |
807 | ||
808 | struct CYRegEx : | |
809 | CYTrivial | |
810 | { | |
811 | const char *value_; | |
812 | ||
813 | CYRegEx(const char *value) : | |
814 | value_(value) | |
815 | { | |
816 | } | |
817 | ||
818 | const char *Value() const { | |
819 | return value_; | |
820 | } | |
821 | ||
822 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
823 | }; | |
824 | ||
825 | struct CYNull : | |
826 | CYWord, | |
827 | CYTrivial | |
828 | { | |
829 | CYNull() : | |
830 | CYWord("null") | |
831 | { | |
832 | } | |
833 | ||
834 | virtual CYNumber *Number(CYContext &context); | |
835 | virtual CYString *String(CYContext &context); | |
836 | ||
837 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
838 | }; | |
839 | ||
840 | struct CYThis : | |
841 | CYWord, | |
842 | CYMagic | |
843 | { | |
844 | CYThis() : | |
845 | CYWord("this") | |
846 | { | |
847 | } | |
848 | ||
849 | virtual CYExpression *Replace(CYContext &context); | |
850 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
851 | }; | |
852 | ||
853 | struct CYBoolean : | |
854 | CYTrivial | |
855 | { | |
856 | virtual bool Value() const = 0; | |
857 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
858 | }; | |
859 | ||
860 | struct CYFalse : | |
861 | CYWord, | |
862 | CYBoolean | |
863 | { | |
864 | CYFalse() : | |
865 | CYWord("false") | |
866 | { | |
867 | } | |
868 | ||
869 | virtual bool Value() const { | |
870 | return false; | |
871 | } | |
872 | ||
873 | virtual CYNumber *Number(CYContext &context); | |
874 | virtual CYString *String(CYContext &context); | |
875 | }; | |
876 | ||
877 | struct CYTrue : | |
878 | CYWord, | |
879 | CYBoolean | |
880 | { | |
881 | CYTrue() : | |
882 | CYWord("true") | |
883 | { | |
884 | } | |
885 | ||
886 | virtual bool Value() const { | |
887 | return true; | |
888 | } | |
889 | ||
890 | virtual CYNumber *Number(CYContext &context); | |
891 | virtual CYString *String(CYContext &context); | |
892 | }; | |
893 | ||
894 | struct CYVariable : | |
895 | CYExpression | |
896 | { | |
897 | CYIdentifier *name_; | |
898 | ||
899 | CYVariable(CYIdentifier *name) : | |
900 | name_(name) | |
901 | { | |
902 | } | |
903 | ||
904 | CYVariable(const char *name) : | |
905 | name_(new($pool) CYIdentifier(name)) | |
906 | { | |
907 | } | |
908 | ||
909 | CYPrecedence(0) | |
910 | CYRightHand(false) | |
911 | ||
912 | virtual CYExpression *Replace(CYContext &context); | |
913 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
914 | }; | |
915 | ||
916 | struct CYPrefix : | |
917 | CYExpression | |
918 | { | |
919 | CYExpression *rhs_; | |
920 | ||
921 | CYPrefix(CYExpression *rhs) : | |
922 | rhs_(rhs) | |
923 | { | |
924 | } | |
925 | ||
926 | virtual bool Alphabetic() const = 0; | |
927 | virtual const char *Operator() const = 0; | |
928 | ||
929 | CYPrecedence(4) | |
930 | ||
931 | virtual CYExpression *Replace(CYContext &context); | |
932 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
933 | }; | |
934 | ||
935 | struct CYInfix : | |
936 | CYExpression | |
937 | { | |
938 | CYExpression *lhs_; | |
939 | CYExpression *rhs_; | |
940 | ||
941 | CYInfix(CYExpression *lhs, CYExpression *rhs) : | |
942 | lhs_(lhs), | |
943 | rhs_(rhs) | |
944 | { | |
945 | } | |
946 | ||
947 | void SetLeft(CYExpression *lhs) { | |
948 | lhs_ = lhs; | |
949 | } | |
950 | ||
951 | virtual bool Alphabetic() const = 0; | |
952 | virtual const char *Operator() const = 0; | |
953 | ||
954 | virtual CYExpression *Replace(CYContext &context); | |
955 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
956 | }; | |
957 | ||
958 | struct CYPostfix : | |
959 | CYExpression | |
960 | { | |
961 | CYExpression *lhs_; | |
962 | ||
963 | CYPostfix(CYExpression *lhs) : | |
964 | lhs_(lhs) | |
965 | { | |
966 | } | |
967 | ||
968 | virtual const char *Operator() const = 0; | |
969 | ||
970 | CYPrecedence(3) | |
971 | ||
972 | virtual CYExpression *Replace(CYContext &context); | |
973 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
974 | }; | |
975 | ||
976 | struct CYAssignment : | |
977 | CYExpression | |
978 | { | |
979 | CYExpression *lhs_; | |
980 | CYExpression *rhs_; | |
981 | ||
982 | CYAssignment(CYExpression *lhs, CYExpression *rhs) : | |
983 | lhs_(lhs), | |
984 | rhs_(rhs) | |
985 | { | |
986 | } | |
987 | ||
988 | void SetLeft(CYExpression *lhs) { | |
989 | lhs_ = lhs; | |
990 | } | |
991 | ||
992 | virtual const char *Operator() const = 0; | |
993 | ||
994 | CYPrecedence(16) | |
995 | ||
996 | virtual CYExpression *Replace(CYContext &context); | |
997 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
998 | }; | |
999 | ||
1000 | struct CYArgument : | |
1001 | CYNext<CYArgument>, | |
1002 | CYThing | |
1003 | { | |
1004 | CYWord *name_; | |
1005 | CYExpression *value_; | |
1006 | ||
1007 | CYArgument(CYExpression *value, CYArgument *next = NULL) : | |
1008 | CYNext<CYArgument>(next), | |
1009 | name_(NULL), | |
1010 | value_(value) | |
1011 | { | |
1012 | } | |
1013 | ||
1014 | CYArgument(CYWord *name, CYExpression *value, CYArgument *next = NULL) : | |
1015 | CYNext<CYArgument>(next), | |
1016 | name_(name), | |
1017 | value_(value) | |
1018 | { | |
1019 | } | |
1020 | ||
1021 | CYArgument *Replace(CYContext &context); | |
1022 | void Output(CYOutput &out) const; | |
1023 | }; | |
1024 | ||
1025 | struct CYBlank : | |
1026 | public CYWord | |
1027 | { | |
1028 | CYBlank() : | |
1029 | CYWord("") | |
1030 | { | |
1031 | } | |
1032 | }; | |
1033 | ||
1034 | struct CYClause : | |
1035 | CYThing, | |
1036 | CYNext<CYClause> | |
1037 | { | |
1038 | CYExpression *case_; | |
1039 | CYStatement *statements_; | |
1040 | ||
1041 | CYClause(CYExpression *_case, CYStatement *statements) : | |
1042 | case_(_case), | |
1043 | statements_(statements) | |
1044 | { | |
1045 | } | |
1046 | ||
1047 | void Replace(CYContext &context); | |
1048 | virtual void Output(CYOutput &out) const; | |
1049 | }; | |
1050 | ||
1051 | struct CYElement : | |
1052 | CYNext<CYElement>, | |
1053 | CYThing | |
1054 | { | |
1055 | CYExpression *value_; | |
1056 | ||
1057 | CYElement(CYExpression *value, CYElement *next) : | |
1058 | CYNext<CYElement>(next), | |
1059 | value_(value) | |
1060 | { | |
1061 | } | |
1062 | ||
1063 | void Replace(CYContext &context); | |
1064 | void Output(CYOutput &out) const; | |
1065 | }; | |
1066 | ||
1067 | struct CYArray : | |
1068 | CYLiteral | |
1069 | { | |
1070 | CYElement *elements_; | |
1071 | ||
1072 | CYArray(CYElement *elements = NULL) : | |
1073 | elements_(elements) | |
1074 | { | |
1075 | } | |
1076 | ||
1077 | virtual CYExpression *Replace(CYContext &context); | |
1078 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1079 | }; | |
1080 | ||
1081 | struct CYProperty : | |
1082 | CYNext<CYProperty>, | |
1083 | CYThing | |
1084 | { | |
1085 | CYPropertyName *name_; | |
1086 | CYExpression *value_; | |
1087 | ||
1088 | CYProperty(CYPropertyName *name, CYExpression *value, CYProperty *next = NULL) : | |
1089 | CYNext<CYProperty>(next), | |
1090 | name_(name), | |
1091 | value_(value) | |
1092 | { | |
1093 | } | |
1094 | ||
1095 | void Replace(CYContext &context); | |
1096 | virtual void Output(CYOutput &out) const; | |
1097 | }; | |
1098 | ||
1099 | struct CYDeclaration : | |
1100 | CYForInInitialiser | |
1101 | { | |
1102 | CYIdentifier *identifier_; | |
1103 | CYExpression *initialiser_; | |
1104 | ||
1105 | CYDeclaration(CYIdentifier *identifier, CYExpression *initialiser = NULL) : | |
1106 | identifier_(identifier), | |
1107 | initialiser_(initialiser) | |
1108 | { | |
1109 | } | |
1110 | ||
1111 | virtual void ForIn(CYOutput &out, CYFlags flags) const; | |
1112 | virtual CYStatement *ForEachIn(CYContext &out, CYExpression *value); | |
1113 | ||
1114 | virtual CYExpression *Replace(CYContext &context); | |
1115 | ||
1116 | virtual CYAssignment *Assignment(CYContext &context); | |
1117 | CYVariable *Variable(CYContext &context); | |
1118 | ||
1119 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1120 | }; | |
1121 | ||
1122 | struct CYDeclarations : | |
1123 | CYNext<CYDeclarations>, | |
1124 | CYThing | |
1125 | { | |
1126 | CYDeclaration *declaration_; | |
1127 | ||
1128 | CYDeclarations(CYDeclaration *declaration, CYDeclarations *next = NULL) : | |
1129 | CYNext<CYDeclarations>(next), | |
1130 | declaration_(declaration) | |
1131 | { | |
1132 | } | |
1133 | ||
1134 | void Replace(CYContext &context); | |
1135 | ||
1136 | CYCompound *Compound(CYContext &context); | |
1137 | CYProperty *Property(CYContext &context); | |
1138 | CYArgument *Argument(CYContext &context); | |
1139 | CYFunctionParameter *Parameter(CYContext &context); | |
1140 | ||
1141 | virtual void Output(CYOutput &out) const; | |
1142 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1143 | }; | |
1144 | ||
1145 | struct CYForDeclarations : | |
1146 | CYForInitialiser | |
1147 | { | |
1148 | CYDeclarations *declarations_; | |
1149 | ||
1150 | CYForDeclarations(CYDeclarations *declarations) : | |
1151 | declarations_(declarations) | |
1152 | { | |
1153 | } | |
1154 | ||
1155 | virtual CYCompound *Replace(CYContext &context); | |
1156 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1157 | }; | |
1158 | ||
1159 | struct CYVar : | |
1160 | CYStatement | |
1161 | { | |
1162 | CYDeclarations *declarations_; | |
1163 | ||
1164 | CYVar(CYDeclarations *declarations) : | |
1165 | declarations_(declarations) | |
1166 | { | |
1167 | } | |
1168 | ||
1169 | virtual CYStatement *Replace(CYContext &context); | |
1170 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1171 | }; | |
1172 | ||
1173 | struct CYLetStatement : | |
1174 | CYStatement | |
1175 | { | |
1176 | CYDeclarations *declarations_; | |
1177 | CYStatement *code_; | |
1178 | ||
1179 | CYLetStatement(CYDeclarations *declarations, CYStatement *code) : | |
1180 | declarations_(declarations), | |
1181 | code_(code) | |
1182 | { | |
1183 | } | |
1184 | ||
1185 | virtual CYStatement *Replace(CYContext &context); | |
1186 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1187 | }; | |
1188 | ||
1189 | struct CYFor : | |
1190 | CYStatement | |
1191 | { | |
1192 | CYForInitialiser *initialiser_; | |
1193 | CYExpression *test_; | |
1194 | CYExpression *increment_; | |
1195 | CYStatement *code_; | |
1196 | ||
1197 | CYFor(CYForInitialiser *initialiser, CYExpression *test, CYExpression *increment, CYStatement *code) : | |
1198 | initialiser_(initialiser), | |
1199 | test_(test), | |
1200 | increment_(increment), | |
1201 | code_(code) | |
1202 | { | |
1203 | } | |
1204 | ||
1205 | virtual CYStatement *Replace(CYContext &context); | |
1206 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1207 | }; | |
1208 | ||
1209 | struct CYForIn : | |
1210 | CYStatement | |
1211 | { | |
1212 | CYForInInitialiser *initialiser_; | |
1213 | CYExpression *set_; | |
1214 | CYStatement *code_; | |
1215 | ||
1216 | CYForIn(CYForInInitialiser *initialiser, CYExpression *set, CYStatement *code) : | |
1217 | initialiser_(initialiser), | |
1218 | set_(set), | |
1219 | code_(code) | |
1220 | { | |
1221 | } | |
1222 | ||
1223 | virtual CYStatement *Replace(CYContext &context); | |
1224 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1225 | }; | |
1226 | ||
1227 | struct CYForOf : | |
1228 | CYStatement | |
1229 | { | |
1230 | CYForInInitialiser *initialiser_; | |
1231 | CYExpression *set_; | |
1232 | CYStatement *code_; | |
1233 | ||
1234 | CYForOf(CYForInInitialiser *initialiser, CYExpression *set, CYStatement *code) : | |
1235 | initialiser_(initialiser), | |
1236 | set_(set), | |
1237 | code_(code) | |
1238 | { | |
1239 | } | |
1240 | ||
1241 | virtual CYStatement *Replace(CYContext &context); | |
1242 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1243 | }; | |
1244 | ||
1245 | struct CYObject : | |
1246 | CYLiteral | |
1247 | { | |
1248 | CYProperty *properties_; | |
1249 | ||
1250 | CYObject(CYProperty *properties = NULL) : | |
1251 | properties_(properties) | |
1252 | { | |
1253 | } | |
1254 | ||
1255 | virtual CYExpression *Replace(CYContext &context); | |
1256 | void Output(CYOutput &out, CYFlags flags) const; | |
1257 | }; | |
1258 | ||
1259 | struct CYMember : | |
1260 | CYExpression | |
1261 | { | |
1262 | CYExpression *object_; | |
1263 | CYExpression *property_; | |
1264 | ||
1265 | CYMember(CYExpression *object, CYExpression *property) : | |
1266 | object_(object), | |
1267 | property_(property) | |
1268 | { | |
1269 | } | |
1270 | ||
1271 | void SetLeft(CYExpression *object) { | |
1272 | object_ = object; | |
1273 | } | |
1274 | }; | |
1275 | ||
1276 | struct CYDirectMember : | |
1277 | CYMember | |
1278 | { | |
1279 | CYDirectMember(CYExpression *object, CYExpression *property) : | |
1280 | CYMember(object, property) | |
1281 | { | |
1282 | } | |
1283 | ||
1284 | CYPrecedence(1) | |
1285 | CYRightHand(false) | |
1286 | ||
1287 | virtual CYExpression *Replace(CYContext &context); | |
1288 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1289 | }; | |
1290 | ||
1291 | struct CYIndirectMember : | |
1292 | CYMember | |
1293 | { | |
1294 | CYIndirectMember(CYExpression *object, CYExpression *property) : | |
1295 | CYMember(object, property) | |
1296 | { | |
1297 | } | |
1298 | ||
1299 | CYPrecedence(1) | |
1300 | CYRightHand(false) | |
1301 | ||
1302 | virtual CYExpression *Replace(CYContext &context); | |
1303 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1304 | }; | |
1305 | ||
1306 | namespace cy { | |
1307 | namespace Syntax { | |
1308 | ||
1309 | struct New : | |
1310 | CYExpression | |
1311 | { | |
1312 | CYExpression *constructor_; | |
1313 | CYArgument *arguments_; | |
1314 | ||
1315 | New(CYExpression *constructor, CYArgument *arguments) : | |
1316 | constructor_(constructor), | |
1317 | arguments_(arguments) | |
1318 | { | |
1319 | } | |
1320 | ||
1321 | virtual int Precedence() const { | |
1322 | return arguments_ == NULL ? 2 : 1; | |
1323 | } | |
1324 | ||
1325 | CYRightHand(false) | |
1326 | ||
1327 | virtual CYExpression *Replace(CYContext &context); | |
1328 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1329 | ||
1330 | virtual CYExpression *AddArgument(CYContext &context, CYExpression *value); | |
1331 | }; | |
1332 | ||
1333 | } } | |
1334 | ||
1335 | struct CYCall : | |
1336 | CYExpression | |
1337 | { | |
1338 | CYExpression *function_; | |
1339 | CYArgument *arguments_; | |
1340 | ||
1341 | CYCall(CYExpression *function, CYArgument *arguments = NULL) : | |
1342 | function_(function), | |
1343 | arguments_(arguments) | |
1344 | { | |
1345 | } | |
1346 | ||
1347 | CYPrecedence(1) | |
1348 | CYRightHand(false) | |
1349 | ||
1350 | virtual CYExpression *Replace(CYContext &context); | |
1351 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1352 | ||
1353 | virtual CYExpression *AddArgument(CYContext &context, CYExpression *value); | |
1354 | }; | |
1355 | ||
1356 | struct CYRubyProc; | |
1357 | ||
1358 | struct CYRubyBlock : | |
1359 | CYExpression | |
1360 | { | |
1361 | CYExpression *call_; | |
1362 | CYRubyProc *proc_; | |
1363 | ||
1364 | CYRubyBlock(CYExpression *call, CYRubyProc *proc) : | |
1365 | call_(call), | |
1366 | proc_(proc) | |
1367 | { | |
1368 | } | |
1369 | ||
1370 | CYPrecedence(1) | |
1371 | CYRightHand(false) | |
1372 | ||
1373 | virtual CYExpression *Replace(CYContext &context); | |
1374 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1375 | }; | |
1376 | ||
1377 | struct CYIf : | |
1378 | CYStatement | |
1379 | { | |
1380 | CYExpression *test_; | |
1381 | CYStatement *true_; | |
1382 | CYStatement *false_; | |
1383 | ||
1384 | CYIf(CYExpression *test, CYStatement *_true, CYStatement *_false = NULL) : | |
1385 | test_(test), | |
1386 | true_(_true), | |
1387 | false_(_false) | |
1388 | { | |
1389 | } | |
1390 | ||
1391 | virtual CYStatement *Replace(CYContext &context); | |
1392 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1393 | }; | |
1394 | ||
1395 | struct CYDoWhile : | |
1396 | CYStatement | |
1397 | { | |
1398 | CYExpression *test_; | |
1399 | CYStatement *code_; | |
1400 | ||
1401 | CYDoWhile(CYExpression *test, CYStatement *code) : | |
1402 | test_(test), | |
1403 | code_(code) | |
1404 | { | |
1405 | } | |
1406 | ||
1407 | virtual CYStatement *Replace(CYContext &context); | |
1408 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1409 | }; | |
1410 | ||
1411 | struct CYWhile : | |
1412 | CYStatement | |
1413 | { | |
1414 | CYExpression *test_; | |
1415 | CYStatement *code_; | |
1416 | ||
1417 | CYWhile(CYExpression *test, CYStatement *code) : | |
1418 | test_(test), | |
1419 | code_(code) | |
1420 | { | |
1421 | } | |
1422 | ||
1423 | virtual CYStatement *Replace(CYContext &context); | |
1424 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1425 | }; | |
1426 | ||
1427 | // XXX: this should be split up into CYAnonymousFunction and CYNamedFunction (subclass) | |
1428 | struct CYFunction { | |
1429 | CYIdentifier *name_; | |
1430 | CYFunctionParameter *parameters_; | |
1431 | CYBlock code_; | |
1432 | ||
1433 | CYNonLocal *nonlocal_; | |
1434 | CYThisScope this_; | |
1435 | ||
1436 | CYFunction(CYIdentifier *name, CYFunctionParameter *parameters, CYStatement *statements) : | |
1437 | name_(name), | |
1438 | parameters_(parameters), | |
1439 | code_(statements), | |
1440 | nonlocal_(NULL) | |
1441 | { | |
1442 | } | |
1443 | ||
1444 | virtual ~CYFunction() { | |
1445 | } | |
1446 | ||
1447 | void Inject(CYContext &context); | |
1448 | virtual void Replace_(CYContext &context, bool outer); | |
1449 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1450 | }; | |
1451 | ||
1452 | // XXX: this should be split up into CYAnonymousFunctionExpression and CYNamedFunctionExpression | |
1453 | struct CYFunctionExpression : | |
1454 | CYFunction, | |
1455 | CYExpression | |
1456 | { | |
1457 | CYFunctionExpression(CYIdentifier *name, CYFunctionParameter *parameters, CYStatement *statements) : | |
1458 | CYFunction(name, parameters, statements) | |
1459 | { | |
1460 | } | |
1461 | ||
1462 | CYPrecedence(0) | |
1463 | CYRightHand(false) | |
1464 | ||
1465 | virtual CYExpression *Replace(CYContext &context); | |
1466 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1467 | }; | |
1468 | ||
1469 | // XXX: this should derive from CYAnonymousFunction | |
1470 | struct CYFatArrow : | |
1471 | CYFunction, | |
1472 | CYExpression | |
1473 | { | |
1474 | CYFatArrow(CYFunctionParameter *parameters, CYStatement *statements) : | |
1475 | CYFunction(NULL, parameters, statements) | |
1476 | { | |
1477 | } | |
1478 | ||
1479 | CYPrecedence(0) | |
1480 | CYRightHand(false) | |
1481 | ||
1482 | virtual CYExpression *Replace(CYContext &context); | |
1483 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1484 | }; | |
1485 | ||
1486 | // XXX: this should derive from CYAnonymousFunctionExpression | |
1487 | struct CYRubyProc : | |
1488 | CYFunctionExpression | |
1489 | { | |
1490 | CYRubyProc(CYFunctionParameter *parameters, CYStatement *statements) : | |
1491 | CYFunctionExpression(NULL, parameters, statements) | |
1492 | { | |
1493 | } | |
1494 | ||
1495 | virtual CYExpression *Replace(CYContext &context); | |
1496 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1497 | }; | |
1498 | ||
1499 | // XXX: this should derive from CYNamedFunction | |
1500 | struct CYFunctionStatement : | |
1501 | CYFunction, | |
1502 | CYStatement | |
1503 | { | |
1504 | CYFunctionStatement(CYIdentifier *name, CYFunctionParameter *parameters, CYStatement *statements) : | |
1505 | CYFunction(name, parameters, statements) | |
1506 | { | |
1507 | } | |
1508 | ||
1509 | virtual CYStatement *Replace(CYContext &context); | |
1510 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1511 | }; | |
1512 | ||
1513 | struct CYExpress : | |
1514 | CYStatement | |
1515 | { | |
1516 | CYExpression *expression_; | |
1517 | ||
1518 | CYExpress(CYExpression *expression) : | |
1519 | expression_(expression) | |
1520 | { | |
1521 | if (expression_ == NULL) | |
1522 | throw; | |
1523 | } | |
1524 | ||
1525 | virtual CYStatement *Replace(CYContext &context); | |
1526 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1527 | }; | |
1528 | ||
1529 | struct CYContinue : | |
1530 | CYStatement | |
1531 | { | |
1532 | CYIdentifier *label_; | |
1533 | ||
1534 | CYContinue(CYIdentifier *label) : | |
1535 | label_(label) | |
1536 | { | |
1537 | } | |
1538 | ||
1539 | virtual CYStatement *Replace(CYContext &context); | |
1540 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1541 | }; | |
1542 | ||
1543 | struct CYBreak : | |
1544 | CYStatement | |
1545 | { | |
1546 | CYIdentifier *label_; | |
1547 | ||
1548 | CYBreak(CYIdentifier *label) : | |
1549 | label_(label) | |
1550 | { | |
1551 | } | |
1552 | ||
1553 | virtual CYStatement *Replace(CYContext &context); | |
1554 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1555 | }; | |
1556 | ||
1557 | struct CYReturn : | |
1558 | CYStatement | |
1559 | { | |
1560 | CYExpression *value_; | |
1561 | ||
1562 | CYReturn(CYExpression *value) : | |
1563 | value_(value) | |
1564 | { | |
1565 | } | |
1566 | ||
1567 | virtual CYStatement *Replace(CYContext &context); | |
1568 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1569 | }; | |
1570 | ||
1571 | struct CYEmpty : | |
1572 | CYStatement | |
1573 | { | |
1574 | virtual CYStatement *Replace(CYContext &context); | |
1575 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1576 | }; | |
1577 | ||
1578 | struct CYFinally : | |
1579 | CYThing | |
1580 | { | |
1581 | CYBlock code_; | |
1582 | ||
1583 | CYFinally(CYStatement *statements) : | |
1584 | code_(statements) | |
1585 | { | |
1586 | } | |
1587 | ||
1588 | void Replace(CYContext &context); | |
1589 | virtual void Output(CYOutput &out) const; | |
1590 | }; | |
1591 | ||
1592 | struct CYTypeSpecifier : | |
1593 | CYThing | |
1594 | { | |
1595 | virtual CYExpression *Replace(CYContext &context) = 0; | |
1596 | }; | |
1597 | ||
1598 | struct CYTypeError : | |
1599 | CYTypeSpecifier | |
1600 | { | |
1601 | CYTypeError() { | |
1602 | } | |
1603 | ||
1604 | virtual CYExpression *Replace(CYContext &context); | |
1605 | virtual void Output(CYOutput &out) const; | |
1606 | }; | |
1607 | ||
1608 | struct CYTypeVoid : | |
1609 | CYTypeSpecifier | |
1610 | { | |
1611 | CYTypeVoid() { | |
1612 | } | |
1613 | ||
1614 | virtual CYExpression *Replace(CYContext &context); | |
1615 | virtual void Output(CYOutput &out) const; | |
1616 | }; | |
1617 | ||
1618 | struct CYTypeVariable : | |
1619 | CYTypeSpecifier | |
1620 | { | |
1621 | CYIdentifier *name_; | |
1622 | ||
1623 | CYTypeVariable(CYIdentifier *name) : | |
1624 | name_(name) | |
1625 | { | |
1626 | } | |
1627 | ||
1628 | CYTypeVariable(const char *name) : | |
1629 | name_(new($pool) CYIdentifier(name)) | |
1630 | { | |
1631 | } | |
1632 | ||
1633 | virtual CYExpression *Replace(CYContext &context); | |
1634 | virtual void Output(CYOutput &out) const; | |
1635 | }; | |
1636 | ||
1637 | struct CYTypeUnsigned : | |
1638 | CYTypeSpecifier | |
1639 | { | |
1640 | CYTypeSpecifier *specifier_; | |
1641 | ||
1642 | CYTypeUnsigned(CYTypeSpecifier *specifier) : | |
1643 | specifier_(specifier) | |
1644 | { | |
1645 | } | |
1646 | ||
1647 | virtual CYExpression *Replace(CYContext &context); | |
1648 | virtual void Output(CYOutput &out) const; | |
1649 | }; | |
1650 | ||
1651 | struct CYTypeSigned : | |
1652 | CYTypeSpecifier | |
1653 | { | |
1654 | CYTypeSpecifier *specifier_; | |
1655 | ||
1656 | CYTypeSigned(CYTypeSpecifier *specifier) : | |
1657 | specifier_(specifier) | |
1658 | { | |
1659 | } | |
1660 | ||
1661 | virtual CYExpression *Replace(CYContext &context); | |
1662 | virtual void Output(CYOutput &out) const; | |
1663 | }; | |
1664 | ||
1665 | struct CYTypeLong : | |
1666 | CYTypeSpecifier | |
1667 | { | |
1668 | CYTypeSpecifier *specifier_; | |
1669 | ||
1670 | CYTypeLong(CYTypeSpecifier *specifier) : | |
1671 | specifier_(specifier) | |
1672 | { | |
1673 | } | |
1674 | ||
1675 | virtual CYExpression *Replace(CYContext &context); | |
1676 | virtual void Output(CYOutput &out) const; | |
1677 | }; | |
1678 | ||
1679 | struct CYTypeShort : | |
1680 | CYTypeSpecifier | |
1681 | { | |
1682 | CYTypeSpecifier *specifier_; | |
1683 | ||
1684 | CYTypeShort(CYTypeSpecifier *specifier) : | |
1685 | specifier_(specifier) | |
1686 | { | |
1687 | } | |
1688 | ||
1689 | virtual CYExpression *Replace(CYContext &context); | |
1690 | virtual void Output(CYOutput &out) const; | |
1691 | }; | |
1692 | ||
1693 | struct CYTypeFunctionWith; | |
1694 | ||
1695 | struct CYTypeModifier : | |
1696 | CYNext<CYTypeModifier> | |
1697 | { | |
1698 | CYTypeModifier(CYTypeModifier *next) : | |
1699 | CYNext<CYTypeModifier>(next) | |
1700 | { | |
1701 | } | |
1702 | ||
1703 | virtual int Precedence() const = 0; | |
1704 | ||
1705 | virtual CYExpression *Replace_(CYContext &context, CYExpression *type) = 0; | |
1706 | CYExpression *Replace(CYContext &context, CYExpression *type); | |
1707 | ||
1708 | virtual void Output(CYOutput &out, CYIdentifier *identifier) const = 0; | |
1709 | void Output(CYOutput &out, int precedence, CYIdentifier *identifier) const; | |
1710 | ||
1711 | virtual CYTypeFunctionWith *Function() { return NULL; } | |
1712 | }; | |
1713 | ||
1714 | struct CYTypeArrayOf : | |
1715 | CYTypeModifier | |
1716 | { | |
1717 | CYExpression *size_; | |
1718 | ||
1719 | CYTypeArrayOf(CYExpression *size, CYTypeModifier *next = NULL) : | |
1720 | CYTypeModifier(next), | |
1721 | size_(size) | |
1722 | { | |
1723 | } | |
1724 | ||
1725 | CYPrecedence(1) | |
1726 | ||
1727 | virtual CYExpression *Replace_(CYContext &context, CYExpression *type); | |
1728 | virtual void Output(CYOutput &out, CYIdentifier *identifier) const; | |
1729 | }; | |
1730 | ||
1731 | struct CYTypeConstant : | |
1732 | CYTypeModifier | |
1733 | { | |
1734 | CYTypeConstant(CYTypeModifier *next = NULL) : | |
1735 | CYTypeModifier(next) | |
1736 | { | |
1737 | } | |
1738 | ||
1739 | CYPrecedence(0) | |
1740 | ||
1741 | virtual CYExpression *Replace_(CYContext &context, CYExpression *type); | |
1742 | virtual void Output(CYOutput &out, CYIdentifier *identifier) const; | |
1743 | }; | |
1744 | ||
1745 | struct CYTypePointerTo : | |
1746 | CYTypeModifier | |
1747 | { | |
1748 | CYTypePointerTo(CYTypeModifier *next = NULL) : | |
1749 | CYTypeModifier(next) | |
1750 | { | |
1751 | } | |
1752 | ||
1753 | CYPrecedence(0) | |
1754 | ||
1755 | virtual CYExpression *Replace_(CYContext &context, CYExpression *type); | |
1756 | virtual void Output(CYOutput &out, CYIdentifier *identifier) const; | |
1757 | }; | |
1758 | ||
1759 | struct CYTypeVolatile : | |
1760 | CYTypeModifier | |
1761 | { | |
1762 | CYTypeVolatile(CYTypeModifier *next = NULL) : | |
1763 | CYTypeModifier(next) | |
1764 | { | |
1765 | } | |
1766 | ||
1767 | CYPrecedence(0) | |
1768 | ||
1769 | virtual CYExpression *Replace_(CYContext &context, CYExpression *type); | |
1770 | virtual void Output(CYOutput &out, CYIdentifier *identifier) const; | |
1771 | }; | |
1772 | ||
1773 | struct CYTypedIdentifier : | |
1774 | CYNext<CYTypedIdentifier>, | |
1775 | CYThing | |
1776 | { | |
1777 | CYLocation location_; | |
1778 | CYIdentifier *identifier_; | |
1779 | CYTypeSpecifier *specifier_; | |
1780 | CYTypeModifier *modifier_; | |
1781 | ||
1782 | CYTypedIdentifier(const CYLocation &location, CYIdentifier *identifier = NULL) : | |
1783 | location_(location), | |
1784 | identifier_(identifier), | |
1785 | specifier_(NULL), | |
1786 | modifier_(NULL) | |
1787 | { | |
1788 | } | |
1789 | ||
1790 | CYTypedIdentifier(CYTypeSpecifier *specifier, CYTypeModifier *modifier = NULL) : | |
1791 | identifier_(NULL), | |
1792 | specifier_(specifier), | |
1793 | modifier_(modifier) | |
1794 | { | |
1795 | } | |
1796 | ||
1797 | inline CYTypedIdentifier *Modify(CYTypeModifier *modifier) { | |
1798 | CYSetLast(modifier_) = modifier; | |
1799 | return this; | |
1800 | } | |
1801 | ||
1802 | virtual CYExpression *Replace(CYContext &context); | |
1803 | virtual void Output(CYOutput &out) const; | |
1804 | ||
1805 | CYTypeFunctionWith *Function(); | |
1806 | }; | |
1807 | ||
1808 | struct CYEncodedType : | |
1809 | CYExpression | |
1810 | { | |
1811 | CYTypedIdentifier *typed_; | |
1812 | ||
1813 | CYEncodedType(CYTypedIdentifier *typed) : | |
1814 | typed_(typed) | |
1815 | { | |
1816 | } | |
1817 | ||
1818 | CYPrecedence(1) | |
1819 | ||
1820 | virtual CYExpression *Replace(CYContext &context); | |
1821 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1822 | }; | |
1823 | ||
1824 | struct CYTypedParameter : | |
1825 | CYNext<CYTypedParameter>, | |
1826 | CYThing | |
1827 | { | |
1828 | CYTypedIdentifier *typed_; | |
1829 | ||
1830 | CYTypedParameter(CYTypedIdentifier *typed, CYTypedParameter *next) : | |
1831 | CYNext<CYTypedParameter>(next), | |
1832 | typed_(typed) | |
1833 | { | |
1834 | } | |
1835 | ||
1836 | CYArgument *Argument(CYContext &context); | |
1837 | CYFunctionParameter *Parameters(CYContext &context); | |
1838 | CYExpression *TypeSignature(CYContext &context, CYExpression *prefix); | |
1839 | ||
1840 | virtual void Output(CYOutput &out) const; | |
1841 | }; | |
1842 | ||
1843 | struct CYLambda : | |
1844 | CYExpression | |
1845 | { | |
1846 | CYTypedIdentifier *typed_; | |
1847 | CYTypedParameter *parameters_; | |
1848 | CYStatement *statements_; | |
1849 | ||
1850 | CYLambda(CYTypedIdentifier *typed, CYTypedParameter *parameters, CYStatement *statements) : | |
1851 | typed_(typed), | |
1852 | parameters_(parameters), | |
1853 | statements_(statements) | |
1854 | { | |
1855 | } | |
1856 | ||
1857 | CYPrecedence(1) | |
1858 | ||
1859 | virtual CYExpression *Replace(CYContext &context); | |
1860 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1861 | }; | |
1862 | ||
1863 | struct CYModule : | |
1864 | CYNext<CYModule>, | |
1865 | CYThing | |
1866 | { | |
1867 | CYWord *part_; | |
1868 | ||
1869 | CYModule(CYWord *part, CYModule *next = NULL) : | |
1870 | CYNext<CYModule>(next), | |
1871 | part_(part) | |
1872 | { | |
1873 | } | |
1874 | ||
1875 | CYString *Replace(CYContext &context, const char *separator) const; | |
1876 | void Output(CYOutput &out) const; | |
1877 | }; | |
1878 | ||
1879 | struct CYImport : | |
1880 | CYStatement | |
1881 | { | |
1882 | CYModule *module_; | |
1883 | ||
1884 | CYImport(CYModule *module) : | |
1885 | module_(module) | |
1886 | { | |
1887 | } | |
1888 | ||
1889 | virtual CYStatement *Replace(CYContext &context); | |
1890 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1891 | }; | |
1892 | ||
1893 | struct CYExternal : | |
1894 | CYStatement | |
1895 | { | |
1896 | CYString *abi_; | |
1897 | CYTypedIdentifier *typed_; | |
1898 | ||
1899 | CYExternal(CYString *abi, CYTypedIdentifier *typed) : | |
1900 | abi_(abi), | |
1901 | typed_(typed) | |
1902 | { | |
1903 | } | |
1904 | ||
1905 | virtual CYStatement *Replace(CYContext &context); | |
1906 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1907 | }; | |
1908 | ||
1909 | struct CYTypeDefinition : | |
1910 | CYStatement | |
1911 | { | |
1912 | CYTypedIdentifier *typed_; | |
1913 | ||
1914 | CYTypeDefinition(CYTypedIdentifier *typed) : | |
1915 | typed_(typed) | |
1916 | { | |
1917 | } | |
1918 | ||
1919 | virtual CYStatement *Replace(CYContext &context); | |
1920 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1921 | }; | |
1922 | ||
1923 | struct CYTypeBlockWith : | |
1924 | CYTypeModifier | |
1925 | { | |
1926 | CYTypedParameter *parameters_; | |
1927 | ||
1928 | CYTypeBlockWith(CYTypedParameter *parameters, CYTypeModifier *next = NULL) : | |
1929 | CYTypeModifier(next), | |
1930 | parameters_(parameters) | |
1931 | { | |
1932 | } | |
1933 | ||
1934 | CYPrecedence(0) | |
1935 | ||
1936 | virtual CYExpression *Replace_(CYContext &context, CYExpression *type); | |
1937 | virtual void Output(CYOutput &out, CYIdentifier *identifier) const; | |
1938 | }; | |
1939 | ||
1940 | struct CYTypeFunctionWith : | |
1941 | CYTypeModifier | |
1942 | { | |
1943 | CYTypedParameter *parameters_; | |
1944 | ||
1945 | CYTypeFunctionWith(CYTypedParameter *parameters, CYTypeModifier *next = NULL) : | |
1946 | CYTypeModifier(next), | |
1947 | parameters_(parameters) | |
1948 | { | |
1949 | } | |
1950 | ||
1951 | CYPrecedence(1) | |
1952 | ||
1953 | virtual CYExpression *Replace_(CYContext &context, CYExpression *type); | |
1954 | virtual void Output(CYOutput &out, CYIdentifier *identifier) const; | |
1955 | ||
1956 | virtual CYTypeFunctionWith *Function() { return this; } | |
1957 | }; | |
1958 | ||
1959 | namespace cy { | |
1960 | namespace Syntax { | |
1961 | ||
1962 | struct Catch : | |
1963 | CYThing | |
1964 | { | |
1965 | CYIdentifier *name_; | |
1966 | CYBlock code_; | |
1967 | ||
1968 | Catch(CYIdentifier *name, CYStatement *statements) : | |
1969 | name_(name), | |
1970 | code_(statements) | |
1971 | { | |
1972 | } | |
1973 | ||
1974 | void Replace(CYContext &context); | |
1975 | virtual void Output(CYOutput &out) const; | |
1976 | }; | |
1977 | ||
1978 | struct Try : | |
1979 | CYStatement | |
1980 | { | |
1981 | CYBlock code_; | |
1982 | Catch *catch_; | |
1983 | CYFinally *finally_; | |
1984 | ||
1985 | Try(CYStatement *statements, Catch *_catch, CYFinally *finally) : | |
1986 | code_(statements), | |
1987 | catch_(_catch), | |
1988 | finally_(finally) | |
1989 | { | |
1990 | } | |
1991 | ||
1992 | virtual CYStatement *Replace(CYContext &context); | |
1993 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
1994 | }; | |
1995 | ||
1996 | struct Throw : | |
1997 | CYStatement | |
1998 | { | |
1999 | CYExpression *value_; | |
2000 | ||
2001 | Throw(CYExpression *value = NULL) : | |
2002 | value_(value) | |
2003 | { | |
2004 | } | |
2005 | ||
2006 | virtual CYStatement *Replace(CYContext &context); | |
2007 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
2008 | }; | |
2009 | ||
2010 | } } | |
2011 | ||
2012 | struct CYWith : | |
2013 | CYStatement | |
2014 | { | |
2015 | CYExpression *scope_; | |
2016 | CYStatement *code_; | |
2017 | ||
2018 | CYWith(CYExpression *scope, CYStatement *code) : | |
2019 | scope_(scope), | |
2020 | code_(code) | |
2021 | { | |
2022 | } | |
2023 | ||
2024 | virtual CYStatement *Replace(CYContext &context); | |
2025 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
2026 | }; | |
2027 | ||
2028 | struct CYSwitch : | |
2029 | CYStatement | |
2030 | { | |
2031 | CYExpression *value_; | |
2032 | CYClause *clauses_; | |
2033 | ||
2034 | CYSwitch(CYExpression *value, CYClause *clauses) : | |
2035 | value_(value), | |
2036 | clauses_(clauses) | |
2037 | { | |
2038 | } | |
2039 | ||
2040 | virtual CYStatement *Replace(CYContext &context); | |
2041 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
2042 | }; | |
2043 | ||
2044 | struct CYDebugger : | |
2045 | CYStatement | |
2046 | { | |
2047 | CYDebugger() | |
2048 | { | |
2049 | } | |
2050 | ||
2051 | virtual CYStatement *Replace(CYContext &context); | |
2052 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
2053 | }; | |
2054 | ||
2055 | struct CYCondition : | |
2056 | CYExpression | |
2057 | { | |
2058 | CYExpression *test_; | |
2059 | CYExpression *true_; | |
2060 | CYExpression *false_; | |
2061 | ||
2062 | CYCondition(CYExpression *test, CYExpression *_true, CYExpression *_false) : | |
2063 | test_(test), | |
2064 | true_(_true), | |
2065 | false_(_false) | |
2066 | { | |
2067 | } | |
2068 | ||
2069 | CYPrecedence(15) | |
2070 | ||
2071 | virtual CYExpression *Replace(CYContext &context); | |
2072 | virtual void Output(CYOutput &out, CYFlags flags) const; | |
2073 | }; | |
2074 | ||
2075 | struct CYAddressOf : | |
2076 | CYPrefix | |
2077 | { | |
2078 | CYAddressOf(CYExpression *rhs) : | |
2079 | CYPrefix(rhs) | |
2080 | { | |
2081 | } | |
2082 | ||
2083 | virtual const char *Operator() const { | |
2084 | return "&"; | |
2085 | } | |
2086 | ||
2087 | CYAlphabetic(false) | |
2088 | ||
2089 | virtual CYExpression *Replace(CYContext &context); | |
2090 | }; | |
2091 | ||
2092 | struct CYIndirect : | |
2093 | CYPrefix | |
2094 | { | |
2095 | CYIndirect(CYExpression *rhs) : | |
2096 | CYPrefix(rhs) | |
2097 | { | |
2098 | } | |
2099 | ||
2100 | virtual const char *Operator() const { | |
2101 | return "*"; | |
2102 | } | |
2103 | ||
2104 | CYAlphabetic(false) | |
2105 | ||
2106 | virtual CYExpression *Replace(CYContext &context); | |
2107 | }; | |
2108 | ||
2109 | #define CYReplace \ | |
2110 | virtual CYExpression *Replace(CYContext &context); | |
2111 | ||
2112 | #define CYPostfix_(op, name, args...) \ | |
2113 | struct CY ## name : \ | |
2114 | CYPostfix \ | |
2115 | { args \ | |
2116 | CY ## name(CYExpression *lhs) : \ | |
2117 | CYPostfix(lhs) \ | |
2118 | { \ | |
2119 | } \ | |
2120 | \ | |
2121 | virtual const char *Operator() const { \ | |
2122 | return op; \ | |
2123 | } \ | |
2124 | }; | |
2125 | ||
2126 | #define CYPrefix_(alphabetic, op, name, args...) \ | |
2127 | struct CY ## name : \ | |
2128 | CYPrefix \ | |
2129 | { args \ | |
2130 | CY ## name(CYExpression *rhs) : \ | |
2131 | CYPrefix(rhs) \ | |
2132 | { \ | |
2133 | } \ | |
2134 | \ | |
2135 | CYAlphabetic(alphabetic) \ | |
2136 | \ | |
2137 | virtual const char *Operator() const { \ | |
2138 | return op; \ | |
2139 | } \ | |
2140 | }; | |
2141 | ||
2142 | #define CYInfix_(alphabetic, precedence, op, name, args...) \ | |
2143 | struct CY ## name : \ | |
2144 | CYInfix \ | |
2145 | { args \ | |
2146 | CY ## name(CYExpression *lhs, CYExpression *rhs) : \ | |
2147 | CYInfix(lhs, rhs) \ | |
2148 | { \ | |
2149 | } \ | |
2150 | \ | |
2151 | CYAlphabetic(alphabetic) \ | |
2152 | CYPrecedence(precedence) \ | |
2153 | \ | |
2154 | virtual const char *Operator() const { \ | |
2155 | return op; \ | |
2156 | } \ | |
2157 | }; | |
2158 | ||
2159 | #define CYAssignment_(op, name, args...) \ | |
2160 | struct CY ## name ## Assign : \ | |
2161 | CYAssignment \ | |
2162 | { args \ | |
2163 | CY ## name ## Assign(CYExpression *lhs, CYExpression *rhs) : \ | |
2164 | CYAssignment(lhs, rhs) \ | |
2165 | { \ | |
2166 | } \ | |
2167 | \ | |
2168 | virtual const char *Operator() const { \ | |
2169 | return op; \ | |
2170 | } \ | |
2171 | }; | |
2172 | ||
2173 | CYPostfix_("++", PostIncrement) | |
2174 | CYPostfix_("--", PostDecrement) | |
2175 | ||
2176 | CYPrefix_(true, "delete", Delete) | |
2177 | CYPrefix_(true, "void", Void) | |
2178 | CYPrefix_(true, "typeof", TypeOf) | |
2179 | CYPrefix_(false, "++", PreIncrement) | |
2180 | CYPrefix_(false, "--", PreDecrement) | |
2181 | CYPrefix_(false, "+", Affirm) | |
2182 | CYPrefix_(false, "-", Negate) | |
2183 | CYPrefix_(false, "~", BitwiseNot) | |
2184 | CYPrefix_(false, "!", LogicalNot) | |
2185 | ||
2186 | CYInfix_(false, 5, "*", Multiply, CYReplace) | |
2187 | CYInfix_(false, 5, "/", Divide) | |
2188 | CYInfix_(false, 5, "%", Modulus) | |
2189 | CYInfix_(false, 6, "+", Add, CYReplace) | |
2190 | CYInfix_(false, 6, "-", Subtract) | |
2191 | CYInfix_(false, 7, "<<", ShiftLeft) | |
2192 | CYInfix_(false, 7, ">>", ShiftRightSigned) | |
2193 | CYInfix_(false, 7, ">>>", ShiftRightUnsigned) | |
2194 | CYInfix_(false, 8, "<", Less) | |
2195 | CYInfix_(false, 8, ">", Greater) | |
2196 | CYInfix_(false, 8, "<=", LessOrEqual) | |
2197 | CYInfix_(false, 8, ">=", GreaterOrEqual) | |
2198 | CYInfix_(true, 8, "instanceof", InstanceOf) | |
2199 | CYInfix_(true, 8, "in", In) | |
2200 | CYInfix_(false, 9, "==", Equal) | |
2201 | CYInfix_(false, 9, "!=", NotEqual) | |
2202 | CYInfix_(false, 9, "===", Identical) | |
2203 | CYInfix_(false, 9, "!==", NotIdentical) | |
2204 | CYInfix_(false, 10, "&", BitwiseAnd) | |
2205 | CYInfix_(false, 11, "^", BitwiseXOr) | |
2206 | CYInfix_(false, 12, "|", BitwiseOr) | |
2207 | CYInfix_(false, 13, "&&", LogicalAnd) | |
2208 | CYInfix_(false, 14, "||", LogicalOr) | |
2209 | ||
2210 | CYAssignment_("=", ) | |
2211 | CYAssignment_("*=", Multiply) | |
2212 | CYAssignment_("/=", Divide) | |
2213 | CYAssignment_("%=", Modulus) | |
2214 | CYAssignment_("+=", Add) | |
2215 | CYAssignment_("-=", Subtract) | |
2216 | CYAssignment_("<<=", ShiftLeft) | |
2217 | CYAssignment_(">>=", ShiftRightSigned) | |
2218 | CYAssignment_(">>>=", ShiftRightUnsigned) | |
2219 | CYAssignment_("&=", BitwiseAnd) | |
2220 | CYAssignment_("^=", BitwiseXOr) | |
2221 | CYAssignment_("|=", BitwiseOr) | |
2222 | ||
2223 | #endif/*CYCRIPT_PARSER_HPP*/ |