OLD | NEW |
1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
(...skipping 147 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
158 AST_NODE_LIST(DEF_FORWARD_DECLARATION) | 158 AST_NODE_LIST(DEF_FORWARD_DECLARATION) |
159 #undef DEF_FORWARD_DECLARATION | 159 #undef DEF_FORWARD_DECLARATION |
160 | 160 |
161 | 161 |
162 // Typedef only introduced to avoid unreadable code. | 162 // Typedef only introduced to avoid unreadable code. |
163 // Please do appreciate the required space in "> >". | 163 // Please do appreciate the required space in "> >". |
164 typedef ZoneList<Handle<String> > ZoneStringList; | 164 typedef ZoneList<Handle<String> > ZoneStringList; |
165 typedef ZoneList<Handle<Object> > ZoneObjectList; | 165 typedef ZoneList<Handle<Object> > ZoneObjectList; |
166 | 166 |
167 | 167 |
168 #define DECLARE_NODE_TYPE(type) \ | 168 #define DECLARE_NODE_TYPE(type) \ |
169 virtual void Accept(AstVisitor* v) V8_OVERRIDE; \ | 169 virtual void Accept(AstVisitor* v); \ |
170 virtual AstNode::NodeType node_type() const V8_FINAL V8_OVERRIDE { \ | 170 virtual AstNode::NodeType node_type() const { return AstNode::k##type; } \ |
171 return AstNode::k##type; \ | |
172 } \ | |
173 template<class> friend class AstNodeFactory; | 171 template<class> friend class AstNodeFactory; |
174 | 172 |
175 | 173 |
176 enum AstPropertiesFlag { | 174 enum AstPropertiesFlag { |
177 kDontInline, | 175 kDontInline, |
178 kDontOptimize, | 176 kDontOptimize, |
179 kDontSelfOptimize, | 177 kDontSelfOptimize, |
180 kDontSoftInline, | 178 kDontSoftInline, |
181 kDontCache | 179 kDontCache |
182 }; | 180 }; |
183 | 181 |
184 | 182 |
185 class AstProperties V8_FINAL BASE_EMBEDDED { | 183 class AstProperties BASE_EMBEDDED { |
186 public: | 184 public: |
187 class Flags : public EnumSet<AstPropertiesFlag, int> {}; | 185 class Flags : public EnumSet<AstPropertiesFlag, int> {}; |
188 | 186 |
189 AstProperties() : node_count_(0) { } | 187 AstProperties() : node_count_(0) { } |
190 | 188 |
191 Flags* flags() { return &flags_; } | 189 Flags* flags() { return &flags_; } |
192 int node_count() { return node_count_; } | 190 int node_count() { return node_count_; } |
193 void add_node_count(int count) { node_count_ += count; } | 191 void add_node_count(int count) { node_count_ += count; } |
194 | 192 |
195 private: | 193 private: |
196 Flags flags_; | 194 Flags flags_; |
197 int node_count_; | 195 int node_count_; |
198 }; | 196 }; |
199 | 197 |
200 | 198 |
201 class AstNode: public ZoneObject { | 199 class AstNode: public ZoneObject { |
202 public: | 200 public: |
203 #define DECLARE_TYPE_ENUM(type) k##type, | 201 #define DECLARE_TYPE_ENUM(type) k##type, |
204 enum NodeType { | 202 enum NodeType { |
205 AST_NODE_LIST(DECLARE_TYPE_ENUM) | 203 AST_NODE_LIST(DECLARE_TYPE_ENUM) |
206 kInvalid = -1 | 204 kInvalid = -1 |
207 }; | 205 }; |
208 #undef DECLARE_TYPE_ENUM | 206 #undef DECLARE_TYPE_ENUM |
209 | 207 |
210 void* operator new(size_t size, Zone* zone) { | 208 void* operator new(size_t size, Zone* zone) { |
211 return zone->New(static_cast<int>(size)); | 209 return zone->New(static_cast<int>(size)); |
212 } | 210 } |
213 | 211 |
214 AstNode() {} | 212 AstNode() { } |
215 | 213 |
216 virtual ~AstNode() {} | 214 virtual ~AstNode() { } |
217 | 215 |
218 virtual void Accept(AstVisitor* v) = 0; | 216 virtual void Accept(AstVisitor* v) = 0; |
219 virtual NodeType node_type() const = 0; | 217 virtual NodeType node_type() const = 0; |
220 | 218 |
221 // Type testing & conversion functions overridden by concrete subclasses. | 219 // Type testing & conversion functions overridden by concrete subclasses. |
222 #define DECLARE_NODE_FUNCTIONS(type) \ | 220 #define DECLARE_NODE_FUNCTIONS(type) \ |
223 bool Is##type() { return node_type() == AstNode::k##type; } \ | 221 bool Is##type() { return node_type() == AstNode::k##type; } \ |
224 type* As##type() { return Is##type() ? reinterpret_cast<type*>(this) : NULL; } | 222 type* As##type() { return Is##type() ? reinterpret_cast<type*>(this) : NULL; } |
225 AST_NODE_LIST(DECLARE_NODE_FUNCTIONS) | 223 AST_NODE_LIST(DECLARE_NODE_FUNCTIONS) |
226 #undef DECLARE_NODE_FUNCTIONS | 224 #undef DECLARE_NODE_FUNCTIONS |
(...skipping 22 matching lines...) Expand all Loading... |
249 | 247 |
250 private: | 248 private: |
251 // Hidden to prevent accidental usage. It would have to load the | 249 // Hidden to prevent accidental usage. It would have to load the |
252 // current zone from the TLS. | 250 // current zone from the TLS. |
253 void* operator new(size_t size); | 251 void* operator new(size_t size); |
254 | 252 |
255 friend class CaseClause; // Generates AST IDs. | 253 friend class CaseClause; // Generates AST IDs. |
256 }; | 254 }; |
257 | 255 |
258 | 256 |
259 class Statement : public AstNode { | 257 class Statement: public AstNode { |
260 public: | 258 public: |
261 Statement() : statement_pos_(RelocInfo::kNoPosition) {} | 259 Statement() : statement_pos_(RelocInfo::kNoPosition) {} |
262 | 260 |
263 bool IsEmpty() { return AsEmptyStatement() != NULL; } | 261 bool IsEmpty() { return AsEmptyStatement() != NULL; } |
264 virtual bool IsJump() const { return false; } | 262 virtual bool IsJump() const { return false; } |
265 | 263 |
266 void set_statement_pos(int statement_pos) { statement_pos_ = statement_pos; } | 264 void set_statement_pos(int statement_pos) { statement_pos_ = statement_pos; } |
267 int statement_pos() const { return statement_pos_; } | 265 int statement_pos() const { return statement_pos_; } |
268 | 266 |
269 private: | 267 private: |
270 int statement_pos_; | 268 int statement_pos_; |
271 }; | 269 }; |
272 | 270 |
273 | 271 |
274 class SmallMapList V8_FINAL { | 272 class SmallMapList { |
275 public: | 273 public: |
276 SmallMapList() {} | 274 SmallMapList() {} |
277 SmallMapList(int capacity, Zone* zone) : list_(capacity, zone) {} | 275 SmallMapList(int capacity, Zone* zone) : list_(capacity, zone) {} |
278 | 276 |
279 void Reserve(int capacity, Zone* zone) { list_.Reserve(capacity, zone); } | 277 void Reserve(int capacity, Zone* zone) { list_.Reserve(capacity, zone); } |
280 void Clear() { list_.Clear(); } | 278 void Clear() { list_.Clear(); } |
281 void Sort() { list_.Sort(); } | 279 void Sort() { list_.Sort(); } |
282 | 280 |
283 bool is_empty() const { return list_.is_empty(); } | 281 bool is_empty() const { return list_.is_empty(); } |
284 int length() const { return list_.length(); } | 282 int length() const { return list_.length(); } |
(...skipping 20 matching lines...) Expand all Loading... |
305 Handle<Map> last() const { return at(length() - 1); } | 303 Handle<Map> last() const { return at(length() - 1); } |
306 | 304 |
307 private: | 305 private: |
308 // The list stores pointers to Map*, that is Map**, so it's GC safe. | 306 // The list stores pointers to Map*, that is Map**, so it's GC safe. |
309 SmallPointerList<Map*> list_; | 307 SmallPointerList<Map*> list_; |
310 | 308 |
311 DISALLOW_COPY_AND_ASSIGN(SmallMapList); | 309 DISALLOW_COPY_AND_ASSIGN(SmallMapList); |
312 }; | 310 }; |
313 | 311 |
314 | 312 |
315 class Expression : public AstNode { | 313 class Expression: public AstNode { |
316 public: | 314 public: |
317 enum Context { | 315 enum Context { |
318 // Not assigned a context yet, or else will not be visited during | 316 // Not assigned a context yet, or else will not be visited during |
319 // code generation. | 317 // code generation. |
320 kUninitialized, | 318 kUninitialized, |
321 // Evaluated for its side effects. | 319 // Evaluated for its side effects. |
322 kEffect, | 320 kEffect, |
323 // Evaluated for its value (and side effects). | 321 // Evaluated for its value (and side effects). |
324 kValue, | 322 kValue, |
325 // Evaluated for control flow (and side effects). | 323 // Evaluated for control flow (and side effects). |
(...skipping 72 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
398 | 396 |
399 private: | 397 private: |
400 Bounds bounds_; | 398 Bounds bounds_; |
401 byte to_boolean_types_; | 399 byte to_boolean_types_; |
402 | 400 |
403 const BailoutId id_; | 401 const BailoutId id_; |
404 const TypeFeedbackId test_id_; | 402 const TypeFeedbackId test_id_; |
405 }; | 403 }; |
406 | 404 |
407 | 405 |
408 class BreakableStatement : public Statement { | 406 class BreakableStatement: public Statement { |
409 public: | 407 public: |
410 enum BreakableType { | 408 enum BreakableType { |
411 TARGET_FOR_ANONYMOUS, | 409 TARGET_FOR_ANONYMOUS, |
412 TARGET_FOR_NAMED_ONLY | 410 TARGET_FOR_NAMED_ONLY |
413 }; | 411 }; |
414 | 412 |
415 // The labels associated with this statement. May be NULL; | 413 // The labels associated with this statement. May be NULL; |
416 // if it is != NULL, guaranteed to contain at least one entry. | 414 // if it is != NULL, guaranteed to contain at least one entry. |
417 ZoneStringList* labels() const { return labels_; } | 415 ZoneStringList* labels() const { return labels_; } |
418 | 416 |
419 // Type testing & conversion. | 417 // Type testing & conversion. |
420 virtual BreakableStatement* AsBreakableStatement() V8_FINAL V8_OVERRIDE { | 418 virtual BreakableStatement* AsBreakableStatement() { return this; } |
421 return this; | |
422 } | |
423 | 419 |
424 // Code generation | 420 // Code generation |
425 Label* break_target() { return &break_target_; } | 421 Label* break_target() { return &break_target_; } |
426 | 422 |
427 // Testers. | 423 // Testers. |
428 bool is_target_for_anonymous() const { | 424 bool is_target_for_anonymous() const { |
429 return breakable_type_ == TARGET_FOR_ANONYMOUS; | 425 return breakable_type_ == TARGET_FOR_ANONYMOUS; |
430 } | 426 } |
431 | 427 |
432 BailoutId EntryId() const { return entry_id_; } | 428 BailoutId EntryId() const { return entry_id_; } |
(...skipping 12 matching lines...) Expand all Loading... |
445 | 441 |
446 private: | 442 private: |
447 ZoneStringList* labels_; | 443 ZoneStringList* labels_; |
448 BreakableType breakable_type_; | 444 BreakableType breakable_type_; |
449 Label break_target_; | 445 Label break_target_; |
450 const BailoutId entry_id_; | 446 const BailoutId entry_id_; |
451 const BailoutId exit_id_; | 447 const BailoutId exit_id_; |
452 }; | 448 }; |
453 | 449 |
454 | 450 |
455 class Block V8_FINAL : public BreakableStatement { | 451 class Block: public BreakableStatement { |
456 public: | 452 public: |
457 DECLARE_NODE_TYPE(Block) | 453 DECLARE_NODE_TYPE(Block) |
458 | 454 |
459 void AddStatement(Statement* statement, Zone* zone) { | 455 void AddStatement(Statement* statement, Zone* zone) { |
460 statements_.Add(statement, zone); | 456 statements_.Add(statement, zone); |
461 } | 457 } |
462 | 458 |
463 ZoneList<Statement*>* statements() { return &statements_; } | 459 ZoneList<Statement*>* statements() { return &statements_; } |
464 bool is_initializer_block() const { return is_initializer_block_; } | 460 bool is_initializer_block() const { return is_initializer_block_; } |
465 | 461 |
466 virtual bool IsJump() const V8_OVERRIDE { | 462 virtual bool IsJump() const { |
467 return !statements_.is_empty() && statements_.last()->IsJump() | 463 return !statements_.is_empty() && statements_.last()->IsJump() |
468 && labels() == NULL; // Good enough as an approximation... | 464 && labels() == NULL; // Good enough as an approximation... |
469 } | 465 } |
470 | 466 |
471 Scope* scope() const { return scope_; } | 467 Scope* scope() const { return scope_; } |
472 void set_scope(Scope* scope) { scope_ = scope; } | 468 void set_scope(Scope* scope) { scope_ = scope; } |
473 | 469 |
474 protected: | 470 protected: |
475 Block(Isolate* isolate, | 471 Block(Isolate* isolate, |
476 ZoneStringList* labels, | 472 ZoneStringList* labels, |
477 int capacity, | 473 int capacity, |
478 bool is_initializer_block, | 474 bool is_initializer_block, |
479 Zone* zone) | 475 Zone* zone) |
480 : BreakableStatement(isolate, labels, TARGET_FOR_NAMED_ONLY), | 476 : BreakableStatement(isolate, labels, TARGET_FOR_NAMED_ONLY), |
481 statements_(capacity, zone), | 477 statements_(capacity, zone), |
482 is_initializer_block_(is_initializer_block), | 478 is_initializer_block_(is_initializer_block), |
483 scope_(NULL) { | 479 scope_(NULL) { |
484 } | 480 } |
485 | 481 |
486 private: | 482 private: |
487 ZoneList<Statement*> statements_; | 483 ZoneList<Statement*> statements_; |
488 bool is_initializer_block_; | 484 bool is_initializer_block_; |
489 Scope* scope_; | 485 Scope* scope_; |
490 }; | 486 }; |
491 | 487 |
492 | 488 |
493 class Declaration : public AstNode { | 489 class Declaration: public AstNode { |
494 public: | 490 public: |
495 VariableProxy* proxy() const { return proxy_; } | 491 VariableProxy* proxy() const { return proxy_; } |
496 VariableMode mode() const { return mode_; } | 492 VariableMode mode() const { return mode_; } |
497 Scope* scope() const { return scope_; } | 493 Scope* scope() const { return scope_; } |
498 virtual InitializationFlag initialization() const = 0; | 494 virtual InitializationFlag initialization() const = 0; |
499 virtual bool IsInlineable() const; | 495 virtual bool IsInlineable() const; |
500 | 496 |
501 protected: | 497 protected: |
502 Declaration(VariableProxy* proxy, | 498 Declaration(VariableProxy* proxy, |
503 VariableMode mode, | 499 VariableMode mode, |
504 Scope* scope) | 500 Scope* scope) |
505 : proxy_(proxy), | 501 : proxy_(proxy), |
506 mode_(mode), | 502 mode_(mode), |
507 scope_(scope) { | 503 scope_(scope) { |
508 ASSERT(IsDeclaredVariableMode(mode)); | 504 ASSERT(IsDeclaredVariableMode(mode)); |
509 } | 505 } |
510 | 506 |
511 private: | 507 private: |
512 VariableProxy* proxy_; | 508 VariableProxy* proxy_; |
513 VariableMode mode_; | 509 VariableMode mode_; |
514 | 510 |
515 // Nested scope from which the declaration originated. | 511 // Nested scope from which the declaration originated. |
516 Scope* scope_; | 512 Scope* scope_; |
517 }; | 513 }; |
518 | 514 |
519 | 515 |
520 class VariableDeclaration V8_FINAL : public Declaration { | 516 class VariableDeclaration: public Declaration { |
521 public: | 517 public: |
522 DECLARE_NODE_TYPE(VariableDeclaration) | 518 DECLARE_NODE_TYPE(VariableDeclaration) |
523 | 519 |
524 virtual InitializationFlag initialization() const V8_OVERRIDE { | 520 virtual InitializationFlag initialization() const { |
525 return mode() == VAR ? kCreatedInitialized : kNeedsInitialization; | 521 return mode() == VAR ? kCreatedInitialized : kNeedsInitialization; |
526 } | 522 } |
527 | 523 |
528 protected: | 524 protected: |
529 VariableDeclaration(VariableProxy* proxy, | 525 VariableDeclaration(VariableProxy* proxy, |
530 VariableMode mode, | 526 VariableMode mode, |
531 Scope* scope) | 527 Scope* scope) |
532 : Declaration(proxy, mode, scope) { | 528 : Declaration(proxy, mode, scope) { |
533 } | 529 } |
534 }; | 530 }; |
535 | 531 |
536 | 532 |
537 class FunctionDeclaration V8_FINAL : public Declaration { | 533 class FunctionDeclaration: public Declaration { |
538 public: | 534 public: |
539 DECLARE_NODE_TYPE(FunctionDeclaration) | 535 DECLARE_NODE_TYPE(FunctionDeclaration) |
540 | 536 |
541 FunctionLiteral* fun() const { return fun_; } | 537 FunctionLiteral* fun() const { return fun_; } |
542 virtual InitializationFlag initialization() const V8_OVERRIDE { | 538 virtual InitializationFlag initialization() const { |
543 return kCreatedInitialized; | 539 return kCreatedInitialized; |
544 } | 540 } |
545 virtual bool IsInlineable() const V8_OVERRIDE; | 541 virtual bool IsInlineable() const; |
546 | 542 |
547 protected: | 543 protected: |
548 FunctionDeclaration(VariableProxy* proxy, | 544 FunctionDeclaration(VariableProxy* proxy, |
549 VariableMode mode, | 545 VariableMode mode, |
550 FunctionLiteral* fun, | 546 FunctionLiteral* fun, |
551 Scope* scope) | 547 Scope* scope) |
552 : Declaration(proxy, mode, scope), | 548 : Declaration(proxy, mode, scope), |
553 fun_(fun) { | 549 fun_(fun) { |
554 // At the moment there are no "const functions" in JavaScript... | 550 // At the moment there are no "const functions" in JavaScript... |
555 ASSERT(mode == VAR || mode == LET); | 551 ASSERT(mode == VAR || mode == LET); |
556 ASSERT(fun != NULL); | 552 ASSERT(fun != NULL); |
557 } | 553 } |
558 | 554 |
559 private: | 555 private: |
560 FunctionLiteral* fun_; | 556 FunctionLiteral* fun_; |
561 }; | 557 }; |
562 | 558 |
563 | 559 |
564 class ModuleDeclaration V8_FINAL : public Declaration { | 560 class ModuleDeclaration: public Declaration { |
565 public: | 561 public: |
566 DECLARE_NODE_TYPE(ModuleDeclaration) | 562 DECLARE_NODE_TYPE(ModuleDeclaration) |
567 | 563 |
568 Module* module() const { return module_; } | 564 Module* module() const { return module_; } |
569 virtual InitializationFlag initialization() const V8_OVERRIDE { | 565 virtual InitializationFlag initialization() const { |
570 return kCreatedInitialized; | 566 return kCreatedInitialized; |
571 } | 567 } |
572 | 568 |
573 protected: | 569 protected: |
574 ModuleDeclaration(VariableProxy* proxy, | 570 ModuleDeclaration(VariableProxy* proxy, |
575 Module* module, | 571 Module* module, |
576 Scope* scope) | 572 Scope* scope) |
577 : Declaration(proxy, MODULE, scope), | 573 : Declaration(proxy, MODULE, scope), |
578 module_(module) { | 574 module_(module) { |
579 } | 575 } |
580 | 576 |
581 private: | 577 private: |
582 Module* module_; | 578 Module* module_; |
583 }; | 579 }; |
584 | 580 |
585 | 581 |
586 class ImportDeclaration V8_FINAL : public Declaration { | 582 class ImportDeclaration: public Declaration { |
587 public: | 583 public: |
588 DECLARE_NODE_TYPE(ImportDeclaration) | 584 DECLARE_NODE_TYPE(ImportDeclaration) |
589 | 585 |
590 Module* module() const { return module_; } | 586 Module* module() const { return module_; } |
591 virtual InitializationFlag initialization() const V8_OVERRIDE { | 587 virtual InitializationFlag initialization() const { |
592 return kCreatedInitialized; | 588 return kCreatedInitialized; |
593 } | 589 } |
594 | 590 |
595 protected: | 591 protected: |
596 ImportDeclaration(VariableProxy* proxy, | 592 ImportDeclaration(VariableProxy* proxy, |
597 Module* module, | 593 Module* module, |
598 Scope* scope) | 594 Scope* scope) |
599 : Declaration(proxy, LET, scope), | 595 : Declaration(proxy, LET, scope), |
600 module_(module) { | 596 module_(module) { |
601 } | 597 } |
602 | 598 |
603 private: | 599 private: |
604 Module* module_; | 600 Module* module_; |
605 }; | 601 }; |
606 | 602 |
607 | 603 |
608 class ExportDeclaration V8_FINAL : public Declaration { | 604 class ExportDeclaration: public Declaration { |
609 public: | 605 public: |
610 DECLARE_NODE_TYPE(ExportDeclaration) | 606 DECLARE_NODE_TYPE(ExportDeclaration) |
611 | 607 |
612 virtual InitializationFlag initialization() const V8_OVERRIDE { | 608 virtual InitializationFlag initialization() const { |
613 return kCreatedInitialized; | 609 return kCreatedInitialized; |
614 } | 610 } |
615 | 611 |
616 protected: | 612 protected: |
617 ExportDeclaration(VariableProxy* proxy, Scope* scope) | 613 ExportDeclaration(VariableProxy* proxy, Scope* scope) |
618 : Declaration(proxy, LET, scope) {} | 614 : Declaration(proxy, LET, scope) {} |
619 }; | 615 }; |
620 | 616 |
621 | 617 |
622 class Module : public AstNode { | 618 class Module: public AstNode { |
623 public: | 619 public: |
624 Interface* interface() const { return interface_; } | 620 Interface* interface() const { return interface_; } |
625 Block* body() const { return body_; } | 621 Block* body() const { return body_; } |
626 | 622 |
627 protected: | 623 protected: |
628 explicit Module(Zone* zone) | 624 explicit Module(Zone* zone) |
629 : interface_(Interface::NewModule(zone)), | 625 : interface_(Interface::NewModule(zone)), |
630 body_(NULL) {} | 626 body_(NULL) {} |
631 explicit Module(Interface* interface, Block* body = NULL) | 627 explicit Module(Interface* interface, Block* body = NULL) |
632 : interface_(interface), | 628 : interface_(interface), |
633 body_(body) {} | 629 body_(body) {} |
634 | 630 |
635 private: | 631 private: |
636 Interface* interface_; | 632 Interface* interface_; |
637 Block* body_; | 633 Block* body_; |
638 }; | 634 }; |
639 | 635 |
640 | 636 |
641 class ModuleLiteral V8_FINAL : public Module { | 637 class ModuleLiteral: public Module { |
642 public: | 638 public: |
643 DECLARE_NODE_TYPE(ModuleLiteral) | 639 DECLARE_NODE_TYPE(ModuleLiteral) |
644 | 640 |
645 protected: | 641 protected: |
646 ModuleLiteral(Block* body, Interface* interface) : Module(interface, body) {} | 642 ModuleLiteral(Block* body, Interface* interface) : Module(interface, body) {} |
647 }; | 643 }; |
648 | 644 |
649 | 645 |
650 class ModuleVariable V8_FINAL : public Module { | 646 class ModuleVariable: public Module { |
651 public: | 647 public: |
652 DECLARE_NODE_TYPE(ModuleVariable) | 648 DECLARE_NODE_TYPE(ModuleVariable) |
653 | 649 |
654 VariableProxy* proxy() const { return proxy_; } | 650 VariableProxy* proxy() const { return proxy_; } |
655 | 651 |
656 protected: | 652 protected: |
657 inline explicit ModuleVariable(VariableProxy* proxy); | 653 inline explicit ModuleVariable(VariableProxy* proxy); |
658 | 654 |
659 private: | 655 private: |
660 VariableProxy* proxy_; | 656 VariableProxy* proxy_; |
661 }; | 657 }; |
662 | 658 |
663 | 659 |
664 class ModulePath V8_FINAL : public Module { | 660 class ModulePath: public Module { |
665 public: | 661 public: |
666 DECLARE_NODE_TYPE(ModulePath) | 662 DECLARE_NODE_TYPE(ModulePath) |
667 | 663 |
668 Module* module() const { return module_; } | 664 Module* module() const { return module_; } |
669 Handle<String> name() const { return name_; } | 665 Handle<String> name() const { return name_; } |
670 | 666 |
671 protected: | 667 protected: |
672 ModulePath(Module* module, Handle<String> name, Zone* zone) | 668 ModulePath(Module* module, Handle<String> name, Zone* zone) |
673 : Module(zone), | 669 : Module(zone), |
674 module_(module), | 670 module_(module), |
675 name_(name) { | 671 name_(name) { |
676 } | 672 } |
677 | 673 |
678 private: | 674 private: |
679 Module* module_; | 675 Module* module_; |
680 Handle<String> name_; | 676 Handle<String> name_; |
681 }; | 677 }; |
682 | 678 |
683 | 679 |
684 class ModuleUrl V8_FINAL : public Module { | 680 class ModuleUrl: public Module { |
685 public: | 681 public: |
686 DECLARE_NODE_TYPE(ModuleUrl) | 682 DECLARE_NODE_TYPE(ModuleUrl) |
687 | 683 |
688 Handle<String> url() const { return url_; } | 684 Handle<String> url() const { return url_; } |
689 | 685 |
690 protected: | 686 protected: |
691 ModuleUrl(Handle<String> url, Zone* zone) | 687 ModuleUrl(Handle<String> url, Zone* zone) |
692 : Module(zone), url_(url) { | 688 : Module(zone), url_(url) { |
693 } | 689 } |
694 | 690 |
695 private: | 691 private: |
696 Handle<String> url_; | 692 Handle<String> url_; |
697 }; | 693 }; |
698 | 694 |
699 | 695 |
700 class ModuleStatement V8_FINAL : public Statement { | 696 class ModuleStatement: public Statement { |
701 public: | 697 public: |
702 DECLARE_NODE_TYPE(ModuleStatement) | 698 DECLARE_NODE_TYPE(ModuleStatement) |
703 | 699 |
704 VariableProxy* proxy() const { return proxy_; } | 700 VariableProxy* proxy() const { return proxy_; } |
705 Block* body() const { return body_; } | 701 Block* body() const { return body_; } |
706 | 702 |
707 protected: | 703 protected: |
708 ModuleStatement(VariableProxy* proxy, Block* body) | 704 ModuleStatement(VariableProxy* proxy, Block* body) |
709 : proxy_(proxy), | 705 : proxy_(proxy), |
710 body_(body) { | 706 body_(body) { |
711 } | 707 } |
712 | 708 |
713 private: | 709 private: |
714 VariableProxy* proxy_; | 710 VariableProxy* proxy_; |
715 Block* body_; | 711 Block* body_; |
716 }; | 712 }; |
717 | 713 |
718 | 714 |
719 class IterationStatement : public BreakableStatement { | 715 class IterationStatement: public BreakableStatement { |
720 public: | 716 public: |
721 // Type testing & conversion. | 717 // Type testing & conversion. |
722 virtual IterationStatement* AsIterationStatement() V8_FINAL V8_OVERRIDE { | 718 virtual IterationStatement* AsIterationStatement() { return this; } |
723 return this; | |
724 } | |
725 | 719 |
726 Statement* body() const { return body_; } | 720 Statement* body() const { return body_; } |
727 | 721 |
728 BailoutId OsrEntryId() const { return osr_entry_id_; } | 722 BailoutId OsrEntryId() const { return osr_entry_id_; } |
729 virtual BailoutId ContinueId() const = 0; | 723 virtual BailoutId ContinueId() const = 0; |
730 virtual BailoutId StackCheckId() const = 0; | 724 virtual BailoutId StackCheckId() const = 0; |
731 | 725 |
732 // Code generation | 726 // Code generation |
733 Label* continue_target() { return &continue_target_; } | 727 Label* continue_target() { return &continue_target_; } |
734 | 728 |
735 protected: | 729 protected: |
736 IterationStatement(Isolate* isolate, ZoneStringList* labels) | 730 IterationStatement(Isolate* isolate, ZoneStringList* labels) |
737 : BreakableStatement(isolate, labels, TARGET_FOR_ANONYMOUS), | 731 : BreakableStatement(isolate, labels, TARGET_FOR_ANONYMOUS), |
738 body_(NULL), | 732 body_(NULL), |
739 osr_entry_id_(GetNextId(isolate)) { | 733 osr_entry_id_(GetNextId(isolate)) { |
740 } | 734 } |
741 | 735 |
742 void Initialize(Statement* body) { | 736 void Initialize(Statement* body) { |
743 body_ = body; | 737 body_ = body; |
744 } | 738 } |
745 | 739 |
746 private: | 740 private: |
747 Statement* body_; | 741 Statement* body_; |
748 Label continue_target_; | 742 Label continue_target_; |
749 | 743 |
750 const BailoutId osr_entry_id_; | 744 const BailoutId osr_entry_id_; |
751 }; | 745 }; |
752 | 746 |
753 | 747 |
754 class DoWhileStatement V8_FINAL : public IterationStatement { | 748 class DoWhileStatement: public IterationStatement { |
755 public: | 749 public: |
756 DECLARE_NODE_TYPE(DoWhileStatement) | 750 DECLARE_NODE_TYPE(DoWhileStatement) |
757 | 751 |
758 void Initialize(Expression* cond, Statement* body) { | 752 void Initialize(Expression* cond, Statement* body) { |
759 IterationStatement::Initialize(body); | 753 IterationStatement::Initialize(body); |
760 cond_ = cond; | 754 cond_ = cond; |
761 } | 755 } |
762 | 756 |
763 Expression* cond() const { return cond_; } | 757 Expression* cond() const { return cond_; } |
764 | 758 |
765 // Position where condition expression starts. We need it to make | 759 // Position where condition expression starts. We need it to make |
766 // the loop's condition a breakable location. | 760 // the loop's condition a breakable location. |
767 int condition_position() { return condition_position_; } | 761 int condition_position() { return condition_position_; } |
768 void set_condition_position(int pos) { condition_position_ = pos; } | 762 void set_condition_position(int pos) { condition_position_ = pos; } |
769 | 763 |
770 virtual BailoutId ContinueId() const V8_OVERRIDE { return continue_id_; } | 764 virtual BailoutId ContinueId() const { return continue_id_; } |
771 virtual BailoutId StackCheckId() const V8_OVERRIDE { return back_edge_id_; } | 765 virtual BailoutId StackCheckId() const { return back_edge_id_; } |
772 BailoutId BackEdgeId() const { return back_edge_id_; } | 766 BailoutId BackEdgeId() const { return back_edge_id_; } |
773 | 767 |
774 protected: | 768 protected: |
775 DoWhileStatement(Isolate* isolate, ZoneStringList* labels) | 769 DoWhileStatement(Isolate* isolate, ZoneStringList* labels) |
776 : IterationStatement(isolate, labels), | 770 : IterationStatement(isolate, labels), |
777 cond_(NULL), | 771 cond_(NULL), |
778 condition_position_(-1), | 772 condition_position_(-1), |
779 continue_id_(GetNextId(isolate)), | 773 continue_id_(GetNextId(isolate)), |
780 back_edge_id_(GetNextId(isolate)) { | 774 back_edge_id_(GetNextId(isolate)) { |
781 } | 775 } |
782 | 776 |
783 private: | 777 private: |
784 Expression* cond_; | 778 Expression* cond_; |
785 | 779 |
786 int condition_position_; | 780 int condition_position_; |
787 | 781 |
788 const BailoutId continue_id_; | 782 const BailoutId continue_id_; |
789 const BailoutId back_edge_id_; | 783 const BailoutId back_edge_id_; |
790 }; | 784 }; |
791 | 785 |
792 | 786 |
793 class WhileStatement V8_FINAL : public IterationStatement { | 787 class WhileStatement: public IterationStatement { |
794 public: | 788 public: |
795 DECLARE_NODE_TYPE(WhileStatement) | 789 DECLARE_NODE_TYPE(WhileStatement) |
796 | 790 |
797 void Initialize(Expression* cond, Statement* body) { | 791 void Initialize(Expression* cond, Statement* body) { |
798 IterationStatement::Initialize(body); | 792 IterationStatement::Initialize(body); |
799 cond_ = cond; | 793 cond_ = cond; |
800 } | 794 } |
801 | 795 |
802 Expression* cond() const { return cond_; } | 796 Expression* cond() const { return cond_; } |
803 bool may_have_function_literal() const { | 797 bool may_have_function_literal() const { |
804 return may_have_function_literal_; | 798 return may_have_function_literal_; |
805 } | 799 } |
806 void set_may_have_function_literal(bool value) { | 800 void set_may_have_function_literal(bool value) { |
807 may_have_function_literal_ = value; | 801 may_have_function_literal_ = value; |
808 } | 802 } |
809 | 803 |
810 virtual BailoutId ContinueId() const V8_OVERRIDE { return EntryId(); } | 804 virtual BailoutId ContinueId() const { return EntryId(); } |
811 virtual BailoutId StackCheckId() const V8_OVERRIDE { return body_id_; } | 805 virtual BailoutId StackCheckId() const { return body_id_; } |
812 BailoutId BodyId() const { return body_id_; } | 806 BailoutId BodyId() const { return body_id_; } |
813 | 807 |
814 protected: | 808 protected: |
815 WhileStatement(Isolate* isolate, ZoneStringList* labels) | 809 WhileStatement(Isolate* isolate, ZoneStringList* labels) |
816 : IterationStatement(isolate, labels), | 810 : IterationStatement(isolate, labels), |
817 cond_(NULL), | 811 cond_(NULL), |
818 may_have_function_literal_(true), | 812 may_have_function_literal_(true), |
819 body_id_(GetNextId(isolate)) { | 813 body_id_(GetNextId(isolate)) { |
820 } | 814 } |
821 | 815 |
822 private: | 816 private: |
823 Expression* cond_; | 817 Expression* cond_; |
824 | 818 |
825 // True if there is a function literal subexpression in the condition. | 819 // True if there is a function literal subexpression in the condition. |
826 bool may_have_function_literal_; | 820 bool may_have_function_literal_; |
827 | 821 |
828 const BailoutId body_id_; | 822 const BailoutId body_id_; |
829 }; | 823 }; |
830 | 824 |
831 | 825 |
832 class ForStatement V8_FINAL : public IterationStatement { | 826 class ForStatement: public IterationStatement { |
833 public: | 827 public: |
834 DECLARE_NODE_TYPE(ForStatement) | 828 DECLARE_NODE_TYPE(ForStatement) |
835 | 829 |
836 void Initialize(Statement* init, | 830 void Initialize(Statement* init, |
837 Expression* cond, | 831 Expression* cond, |
838 Statement* next, | 832 Statement* next, |
839 Statement* body) { | 833 Statement* body) { |
840 IterationStatement::Initialize(body); | 834 IterationStatement::Initialize(body); |
841 init_ = init; | 835 init_ = init; |
842 cond_ = cond; | 836 cond_ = cond; |
843 next_ = next; | 837 next_ = next; |
844 } | 838 } |
845 | 839 |
846 Statement* init() const { return init_; } | 840 Statement* init() const { return init_; } |
847 Expression* cond() const { return cond_; } | 841 Expression* cond() const { return cond_; } |
848 Statement* next() const { return next_; } | 842 Statement* next() const { return next_; } |
849 | 843 |
850 bool may_have_function_literal() const { | 844 bool may_have_function_literal() const { |
851 return may_have_function_literal_; | 845 return may_have_function_literal_; |
852 } | 846 } |
853 void set_may_have_function_literal(bool value) { | 847 void set_may_have_function_literal(bool value) { |
854 may_have_function_literal_ = value; | 848 may_have_function_literal_ = value; |
855 } | 849 } |
856 | 850 |
857 virtual BailoutId ContinueId() const V8_OVERRIDE { return continue_id_; } | 851 virtual BailoutId ContinueId() const { return continue_id_; } |
858 virtual BailoutId StackCheckId() const V8_OVERRIDE { return body_id_; } | 852 virtual BailoutId StackCheckId() const { return body_id_; } |
859 BailoutId BodyId() const { return body_id_; } | 853 BailoutId BodyId() const { return body_id_; } |
860 | 854 |
861 bool is_fast_smi_loop() { return loop_variable_ != NULL; } | 855 bool is_fast_smi_loop() { return loop_variable_ != NULL; } |
862 Variable* loop_variable() { return loop_variable_; } | 856 Variable* loop_variable() { return loop_variable_; } |
863 void set_loop_variable(Variable* var) { loop_variable_ = var; } | 857 void set_loop_variable(Variable* var) { loop_variable_ = var; } |
864 | 858 |
865 protected: | 859 protected: |
866 ForStatement(Isolate* isolate, ZoneStringList* labels) | 860 ForStatement(Isolate* isolate, ZoneStringList* labels) |
867 : IterationStatement(isolate, labels), | 861 : IterationStatement(isolate, labels), |
868 init_(NULL), | 862 init_(NULL), |
(...skipping 12 matching lines...) Expand all Loading... |
881 | 875 |
882 // True if there is a function literal subexpression in the condition. | 876 // True if there is a function literal subexpression in the condition. |
883 bool may_have_function_literal_; | 877 bool may_have_function_literal_; |
884 Variable* loop_variable_; | 878 Variable* loop_variable_; |
885 | 879 |
886 const BailoutId continue_id_; | 880 const BailoutId continue_id_; |
887 const BailoutId body_id_; | 881 const BailoutId body_id_; |
888 }; | 882 }; |
889 | 883 |
890 | 884 |
891 class ForEachStatement : public IterationStatement { | 885 class ForEachStatement: public IterationStatement { |
892 public: | 886 public: |
893 enum VisitMode { | 887 enum VisitMode { |
894 ENUMERATE, // for (each in subject) body; | 888 ENUMERATE, // for (each in subject) body; |
895 ITERATE // for (each of subject) body; | 889 ITERATE // for (each of subject) body; |
896 }; | 890 }; |
897 | 891 |
898 void Initialize(Expression* each, Expression* subject, Statement* body) { | 892 void Initialize(Expression* each, Expression* subject, Statement* body) { |
899 IterationStatement::Initialize(body); | 893 IterationStatement::Initialize(body); |
900 each_ = each; | 894 each_ = each; |
901 subject_ = subject; | 895 subject_ = subject; |
902 } | 896 } |
903 | 897 |
904 Expression* each() const { return each_; } | 898 Expression* each() const { return each_; } |
905 Expression* subject() const { return subject_; } | 899 Expression* subject() const { return subject_; } |
906 | 900 |
907 protected: | 901 protected: |
908 ForEachStatement(Isolate* isolate, ZoneStringList* labels) | 902 ForEachStatement(Isolate* isolate, ZoneStringList* labels) |
909 : IterationStatement(isolate, labels), | 903 : IterationStatement(isolate, labels), |
910 each_(NULL), | 904 each_(NULL), |
911 subject_(NULL) { | 905 subject_(NULL) { |
912 } | 906 } |
913 | 907 |
914 private: | 908 private: |
915 Expression* each_; | 909 Expression* each_; |
916 Expression* subject_; | 910 Expression* subject_; |
917 }; | 911 }; |
918 | 912 |
919 | 913 |
920 class ForInStatement V8_FINAL : public ForEachStatement { | 914 class ForInStatement: public ForEachStatement { |
921 public: | 915 public: |
922 DECLARE_NODE_TYPE(ForInStatement) | 916 DECLARE_NODE_TYPE(ForInStatement) |
923 | 917 |
924 Expression* enumerable() const { | 918 Expression* enumerable() const { |
925 return subject(); | 919 return subject(); |
926 } | 920 } |
927 | 921 |
928 TypeFeedbackId ForInFeedbackId() const { return reuse(PrepareId()); } | 922 TypeFeedbackId ForInFeedbackId() const { return reuse(PrepareId()); } |
929 void RecordTypeFeedback(TypeFeedbackOracle* oracle); | 923 void RecordTypeFeedback(TypeFeedbackOracle* oracle); |
930 enum ForInType { FAST_FOR_IN, SLOW_FOR_IN }; | 924 enum ForInType { FAST_FOR_IN, SLOW_FOR_IN }; |
931 ForInType for_in_type() const { return for_in_type_; } | 925 ForInType for_in_type() const { return for_in_type_; } |
932 | 926 |
933 BailoutId BodyId() const { return body_id_; } | 927 BailoutId BodyId() const { return body_id_; } |
934 BailoutId PrepareId() const { return prepare_id_; } | 928 BailoutId PrepareId() const { return prepare_id_; } |
935 virtual BailoutId ContinueId() const V8_OVERRIDE { return EntryId(); } | 929 virtual BailoutId ContinueId() const { return EntryId(); } |
936 virtual BailoutId StackCheckId() const V8_OVERRIDE { return body_id_; } | 930 virtual BailoutId StackCheckId() const { return body_id_; } |
937 | 931 |
938 protected: | 932 protected: |
939 ForInStatement(Isolate* isolate, ZoneStringList* labels) | 933 ForInStatement(Isolate* isolate, ZoneStringList* labels) |
940 : ForEachStatement(isolate, labels), | 934 : ForEachStatement(isolate, labels), |
941 for_in_type_(SLOW_FOR_IN), | 935 for_in_type_(SLOW_FOR_IN), |
942 body_id_(GetNextId(isolate)), | 936 body_id_(GetNextId(isolate)), |
943 prepare_id_(GetNextId(isolate)) { | 937 prepare_id_(GetNextId(isolate)) { |
944 } | 938 } |
945 | 939 |
946 ForInType for_in_type_; | 940 ForInType for_in_type_; |
947 const BailoutId body_id_; | 941 const BailoutId body_id_; |
948 const BailoutId prepare_id_; | 942 const BailoutId prepare_id_; |
949 }; | 943 }; |
950 | 944 |
951 | 945 |
952 class ForOfStatement V8_FINAL : public ForEachStatement { | 946 class ForOfStatement: public ForEachStatement { |
953 public: | 947 public: |
954 DECLARE_NODE_TYPE(ForOfStatement) | 948 DECLARE_NODE_TYPE(ForOfStatement) |
955 | 949 |
956 void Initialize(Expression* each, | 950 void Initialize(Expression* each, |
957 Expression* subject, | 951 Expression* subject, |
958 Statement* body, | 952 Statement* body, |
959 Expression* assign_iterator, | 953 Expression* assign_iterator, |
960 Expression* next_result, | 954 Expression* next_result, |
961 Expression* result_done, | 955 Expression* result_done, |
962 Expression* assign_each) { | 956 Expression* assign_each) { |
(...skipping 21 matching lines...) Expand all Loading... |
984 // result.done | 978 // result.done |
985 Expression* result_done() const { | 979 Expression* result_done() const { |
986 return result_done_; | 980 return result_done_; |
987 } | 981 } |
988 | 982 |
989 // each = result.value | 983 // each = result.value |
990 Expression* assign_each() const { | 984 Expression* assign_each() const { |
991 return assign_each_; | 985 return assign_each_; |
992 } | 986 } |
993 | 987 |
994 virtual BailoutId ContinueId() const V8_OVERRIDE { return EntryId(); } | 988 virtual BailoutId ContinueId() const { return EntryId(); } |
995 virtual BailoutId StackCheckId() const V8_OVERRIDE { return BackEdgeId(); } | 989 virtual BailoutId StackCheckId() const { return BackEdgeId(); } |
996 | 990 |
997 BailoutId BackEdgeId() const { return back_edge_id_; } | 991 BailoutId BackEdgeId() const { return back_edge_id_; } |
998 | 992 |
999 protected: | 993 protected: |
1000 ForOfStatement(Isolate* isolate, ZoneStringList* labels) | 994 ForOfStatement(Isolate* isolate, ZoneStringList* labels) |
1001 : ForEachStatement(isolate, labels), | 995 : ForEachStatement(isolate, labels), |
1002 assign_iterator_(NULL), | 996 assign_iterator_(NULL), |
1003 next_result_(NULL), | 997 next_result_(NULL), |
1004 result_done_(NULL), | 998 result_done_(NULL), |
1005 assign_each_(NULL), | 999 assign_each_(NULL), |
1006 back_edge_id_(GetNextId(isolate)) { | 1000 back_edge_id_(GetNextId(isolate)) { |
1007 } | 1001 } |
1008 | 1002 |
1009 Expression* assign_iterator_; | 1003 Expression* assign_iterator_; |
1010 Expression* next_result_; | 1004 Expression* next_result_; |
1011 Expression* result_done_; | 1005 Expression* result_done_; |
1012 Expression* assign_each_; | 1006 Expression* assign_each_; |
1013 const BailoutId back_edge_id_; | 1007 const BailoutId back_edge_id_; |
1014 }; | 1008 }; |
1015 | 1009 |
1016 | 1010 |
1017 class ExpressionStatement V8_FINAL : public Statement { | 1011 class ExpressionStatement: public Statement { |
1018 public: | 1012 public: |
1019 DECLARE_NODE_TYPE(ExpressionStatement) | 1013 DECLARE_NODE_TYPE(ExpressionStatement) |
1020 | 1014 |
1021 void set_expression(Expression* e) { expression_ = e; } | 1015 void set_expression(Expression* e) { expression_ = e; } |
1022 Expression* expression() const { return expression_; } | 1016 Expression* expression() const { return expression_; } |
1023 virtual bool IsJump() const V8_OVERRIDE { return expression_->IsThrow(); } | 1017 virtual bool IsJump() const { return expression_->IsThrow(); } |
1024 | 1018 |
1025 protected: | 1019 protected: |
1026 explicit ExpressionStatement(Expression* expression) | 1020 explicit ExpressionStatement(Expression* expression) |
1027 : expression_(expression) { } | 1021 : expression_(expression) { } |
1028 | 1022 |
1029 private: | 1023 private: |
1030 Expression* expression_; | 1024 Expression* expression_; |
1031 }; | 1025 }; |
1032 | 1026 |
1033 | 1027 |
1034 class JumpStatement : public Statement { | 1028 class JumpStatement: public Statement { |
1035 public: | 1029 public: |
1036 virtual bool IsJump() const V8_FINAL V8_OVERRIDE { return true; } | 1030 virtual bool IsJump() const { return true; } |
1037 | 1031 |
1038 protected: | 1032 protected: |
1039 JumpStatement() {} | 1033 JumpStatement() {} |
1040 }; | 1034 }; |
1041 | 1035 |
1042 | 1036 |
1043 class ContinueStatement V8_FINAL : public JumpStatement { | 1037 class ContinueStatement: public JumpStatement { |
1044 public: | 1038 public: |
1045 DECLARE_NODE_TYPE(ContinueStatement) | 1039 DECLARE_NODE_TYPE(ContinueStatement) |
1046 | 1040 |
1047 IterationStatement* target() const { return target_; } | 1041 IterationStatement* target() const { return target_; } |
1048 | 1042 |
1049 protected: | 1043 protected: |
1050 explicit ContinueStatement(IterationStatement* target) | 1044 explicit ContinueStatement(IterationStatement* target) |
1051 : target_(target) { } | 1045 : target_(target) { } |
1052 | 1046 |
1053 private: | 1047 private: |
1054 IterationStatement* target_; | 1048 IterationStatement* target_; |
1055 }; | 1049 }; |
1056 | 1050 |
1057 | 1051 |
1058 class BreakStatement V8_FINAL : public JumpStatement { | 1052 class BreakStatement: public JumpStatement { |
1059 public: | 1053 public: |
1060 DECLARE_NODE_TYPE(BreakStatement) | 1054 DECLARE_NODE_TYPE(BreakStatement) |
1061 | 1055 |
1062 BreakableStatement* target() const { return target_; } | 1056 BreakableStatement* target() const { return target_; } |
1063 | 1057 |
1064 protected: | 1058 protected: |
1065 explicit BreakStatement(BreakableStatement* target) | 1059 explicit BreakStatement(BreakableStatement* target) |
1066 : target_(target) { } | 1060 : target_(target) { } |
1067 | 1061 |
1068 private: | 1062 private: |
1069 BreakableStatement* target_; | 1063 BreakableStatement* target_; |
1070 }; | 1064 }; |
1071 | 1065 |
1072 | 1066 |
1073 class ReturnStatement V8_FINAL : public JumpStatement { | 1067 class ReturnStatement: public JumpStatement { |
1074 public: | 1068 public: |
1075 DECLARE_NODE_TYPE(ReturnStatement) | 1069 DECLARE_NODE_TYPE(ReturnStatement) |
1076 | 1070 |
1077 Expression* expression() const { return expression_; } | 1071 Expression* expression() const { return expression_; } |
1078 | 1072 |
1079 protected: | 1073 protected: |
1080 explicit ReturnStatement(Expression* expression) | 1074 explicit ReturnStatement(Expression* expression) |
1081 : expression_(expression) { } | 1075 : expression_(expression) { } |
1082 | 1076 |
1083 private: | 1077 private: |
1084 Expression* expression_; | 1078 Expression* expression_; |
1085 }; | 1079 }; |
1086 | 1080 |
1087 | 1081 |
1088 class WithStatement V8_FINAL : public Statement { | 1082 class WithStatement: public Statement { |
1089 public: | 1083 public: |
1090 DECLARE_NODE_TYPE(WithStatement) | 1084 DECLARE_NODE_TYPE(WithStatement) |
1091 | 1085 |
1092 Scope* scope() { return scope_; } | 1086 Scope* scope() { return scope_; } |
1093 Expression* expression() const { return expression_; } | 1087 Expression* expression() const { return expression_; } |
1094 Statement* statement() const { return statement_; } | 1088 Statement* statement() const { return statement_; } |
1095 | 1089 |
1096 protected: | 1090 protected: |
1097 WithStatement(Scope* scope, Expression* expression, Statement* statement) | 1091 WithStatement(Scope* scope, Expression* expression, Statement* statement) |
1098 : scope_(scope), | 1092 : scope_(scope), |
1099 expression_(expression), | 1093 expression_(expression), |
1100 statement_(statement) { } | 1094 statement_(statement) { } |
1101 | 1095 |
1102 private: | 1096 private: |
1103 Scope* scope_; | 1097 Scope* scope_; |
1104 Expression* expression_; | 1098 Expression* expression_; |
1105 Statement* statement_; | 1099 Statement* statement_; |
1106 }; | 1100 }; |
1107 | 1101 |
1108 | 1102 |
1109 class CaseClause V8_FINAL : public ZoneObject { | 1103 class CaseClause: public ZoneObject { |
1110 public: | 1104 public: |
1111 CaseClause(Isolate* isolate, | 1105 CaseClause(Isolate* isolate, |
1112 Expression* label, | 1106 Expression* label, |
1113 ZoneList<Statement*>* statements, | 1107 ZoneList<Statement*>* statements, |
1114 int pos); | 1108 int pos); |
1115 | 1109 |
1116 bool is_default() const { return label_ == NULL; } | 1110 bool is_default() const { return label_ == NULL; } |
1117 Expression* label() const { | 1111 Expression* label() const { |
1118 CHECK(!is_default()); | 1112 CHECK(!is_default()); |
1119 return label_; | 1113 return label_; |
(...skipping 16 matching lines...) Expand all Loading... |
1136 Label body_target_; | 1130 Label body_target_; |
1137 ZoneList<Statement*>* statements_; | 1131 ZoneList<Statement*>* statements_; |
1138 int position_; | 1132 int position_; |
1139 Handle<Type> compare_type_; | 1133 Handle<Type> compare_type_; |
1140 | 1134 |
1141 const TypeFeedbackId compare_id_; | 1135 const TypeFeedbackId compare_id_; |
1142 const BailoutId entry_id_; | 1136 const BailoutId entry_id_; |
1143 }; | 1137 }; |
1144 | 1138 |
1145 | 1139 |
1146 class SwitchStatement V8_FINAL : public BreakableStatement { | 1140 class SwitchStatement: public BreakableStatement { |
1147 public: | 1141 public: |
1148 DECLARE_NODE_TYPE(SwitchStatement) | 1142 DECLARE_NODE_TYPE(SwitchStatement) |
1149 | 1143 |
1150 void Initialize(Expression* tag, ZoneList<CaseClause*>* cases) { | 1144 void Initialize(Expression* tag, ZoneList<CaseClause*>* cases) { |
1151 tag_ = tag; | 1145 tag_ = tag; |
1152 cases_ = cases; | 1146 cases_ = cases; |
1153 switch_type_ = UNKNOWN_SWITCH; | 1147 switch_type_ = UNKNOWN_SWITCH; |
1154 } | 1148 } |
1155 | 1149 |
1156 Expression* tag() const { return tag_; } | 1150 Expression* tag() const { return tag_; } |
(...skipping 14 matching lines...) Expand all Loading... |
1171 ZoneList<CaseClause*>* cases_; | 1165 ZoneList<CaseClause*>* cases_; |
1172 SwitchType switch_type_; | 1166 SwitchType switch_type_; |
1173 }; | 1167 }; |
1174 | 1168 |
1175 | 1169 |
1176 // If-statements always have non-null references to their then- and | 1170 // If-statements always have non-null references to their then- and |
1177 // else-parts. When parsing if-statements with no explicit else-part, | 1171 // else-parts. When parsing if-statements with no explicit else-part, |
1178 // the parser implicitly creates an empty statement. Use the | 1172 // the parser implicitly creates an empty statement. Use the |
1179 // HasThenStatement() and HasElseStatement() functions to check if a | 1173 // HasThenStatement() and HasElseStatement() functions to check if a |
1180 // given if-statement has a then- or an else-part containing code. | 1174 // given if-statement has a then- or an else-part containing code. |
1181 class IfStatement V8_FINAL : public Statement { | 1175 class IfStatement: public Statement { |
1182 public: | 1176 public: |
1183 DECLARE_NODE_TYPE(IfStatement) | 1177 DECLARE_NODE_TYPE(IfStatement) |
1184 | 1178 |
1185 bool HasThenStatement() const { return !then_statement()->IsEmpty(); } | 1179 bool HasThenStatement() const { return !then_statement()->IsEmpty(); } |
1186 bool HasElseStatement() const { return !else_statement()->IsEmpty(); } | 1180 bool HasElseStatement() const { return !else_statement()->IsEmpty(); } |
1187 | 1181 |
1188 Expression* condition() const { return condition_; } | 1182 Expression* condition() const { return condition_; } |
1189 Statement* then_statement() const { return then_statement_; } | 1183 Statement* then_statement() const { return then_statement_; } |
1190 Statement* else_statement() const { return else_statement_; } | 1184 Statement* else_statement() const { return else_statement_; } |
1191 | 1185 |
1192 virtual bool IsJump() const V8_OVERRIDE { | 1186 virtual bool IsJump() const { |
1193 return HasThenStatement() && then_statement()->IsJump() | 1187 return HasThenStatement() && then_statement()->IsJump() |
1194 && HasElseStatement() && else_statement()->IsJump(); | 1188 && HasElseStatement() && else_statement()->IsJump(); |
1195 } | 1189 } |
1196 | 1190 |
1197 BailoutId IfId() const { return if_id_; } | 1191 BailoutId IfId() const { return if_id_; } |
1198 BailoutId ThenId() const { return then_id_; } | 1192 BailoutId ThenId() const { return then_id_; } |
1199 BailoutId ElseId() const { return else_id_; } | 1193 BailoutId ElseId() const { return else_id_; } |
1200 | 1194 |
1201 protected: | 1195 protected: |
1202 IfStatement(Isolate* isolate, | 1196 IfStatement(Isolate* isolate, |
(...skipping 13 matching lines...) Expand all Loading... |
1216 Statement* then_statement_; | 1210 Statement* then_statement_; |
1217 Statement* else_statement_; | 1211 Statement* else_statement_; |
1218 const BailoutId if_id_; | 1212 const BailoutId if_id_; |
1219 const BailoutId then_id_; | 1213 const BailoutId then_id_; |
1220 const BailoutId else_id_; | 1214 const BailoutId else_id_; |
1221 }; | 1215 }; |
1222 | 1216 |
1223 | 1217 |
1224 // NOTE: TargetCollectors are represented as nodes to fit in the target | 1218 // NOTE: TargetCollectors are represented as nodes to fit in the target |
1225 // stack in the compiler; this should probably be reworked. | 1219 // stack in the compiler; this should probably be reworked. |
1226 class TargetCollector V8_FINAL : public AstNode { | 1220 class TargetCollector: public AstNode { |
1227 public: | 1221 public: |
1228 explicit TargetCollector(Zone* zone) : targets_(0, zone) { } | 1222 explicit TargetCollector(Zone* zone) : targets_(0, zone) { } |
1229 | 1223 |
1230 // Adds a jump target to the collector. The collector stores a pointer not | 1224 // Adds a jump target to the collector. The collector stores a pointer not |
1231 // a copy of the target to make binding work, so make sure not to pass in | 1225 // a copy of the target to make binding work, so make sure not to pass in |
1232 // references to something on the stack. | 1226 // references to something on the stack. |
1233 void AddTarget(Label* target, Zone* zone); | 1227 void AddTarget(Label* target, Zone* zone); |
1234 | 1228 |
1235 // Virtual behaviour. TargetCollectors are never part of the AST. | 1229 // Virtual behaviour. TargetCollectors are never part of the AST. |
1236 virtual void Accept(AstVisitor* v) V8_OVERRIDE { UNREACHABLE(); } | 1230 virtual void Accept(AstVisitor* v) { UNREACHABLE(); } |
1237 virtual NodeType node_type() const V8_OVERRIDE { return kInvalid; } | 1231 virtual NodeType node_type() const { return kInvalid; } |
1238 virtual TargetCollector* AsTargetCollector() V8_OVERRIDE { return this; } | 1232 virtual TargetCollector* AsTargetCollector() { return this; } |
1239 | 1233 |
1240 ZoneList<Label*>* targets() { return &targets_; } | 1234 ZoneList<Label*>* targets() { return &targets_; } |
1241 | 1235 |
1242 private: | 1236 private: |
1243 ZoneList<Label*> targets_; | 1237 ZoneList<Label*> targets_; |
1244 }; | 1238 }; |
1245 | 1239 |
1246 | 1240 |
1247 class TryStatement : public Statement { | 1241 class TryStatement: public Statement { |
1248 public: | 1242 public: |
1249 void set_escaping_targets(ZoneList<Label*>* targets) { | 1243 void set_escaping_targets(ZoneList<Label*>* targets) { |
1250 escaping_targets_ = targets; | 1244 escaping_targets_ = targets; |
1251 } | 1245 } |
1252 | 1246 |
1253 int index() const { return index_; } | 1247 int index() const { return index_; } |
1254 Block* try_block() const { return try_block_; } | 1248 Block* try_block() const { return try_block_; } |
1255 ZoneList<Label*>* escaping_targets() const { return escaping_targets_; } | 1249 ZoneList<Label*>* escaping_targets() const { return escaping_targets_; } |
1256 | 1250 |
1257 protected: | 1251 protected: |
1258 TryStatement(int index, Block* try_block) | 1252 TryStatement(int index, Block* try_block) |
1259 : index_(index), | 1253 : index_(index), |
1260 try_block_(try_block), | 1254 try_block_(try_block), |
1261 escaping_targets_(NULL) { } | 1255 escaping_targets_(NULL) { } |
1262 | 1256 |
1263 private: | 1257 private: |
1264 // Unique (per-function) index of this handler. This is not an AST ID. | 1258 // Unique (per-function) index of this handler. This is not an AST ID. |
1265 int index_; | 1259 int index_; |
1266 | 1260 |
1267 Block* try_block_; | 1261 Block* try_block_; |
1268 ZoneList<Label*>* escaping_targets_; | 1262 ZoneList<Label*>* escaping_targets_; |
1269 }; | 1263 }; |
1270 | 1264 |
1271 | 1265 |
1272 class TryCatchStatement V8_FINAL : public TryStatement { | 1266 class TryCatchStatement: public TryStatement { |
1273 public: | 1267 public: |
1274 DECLARE_NODE_TYPE(TryCatchStatement) | 1268 DECLARE_NODE_TYPE(TryCatchStatement) |
1275 | 1269 |
1276 Scope* scope() { return scope_; } | 1270 Scope* scope() { return scope_; } |
1277 Variable* variable() { return variable_; } | 1271 Variable* variable() { return variable_; } |
1278 Block* catch_block() const { return catch_block_; } | 1272 Block* catch_block() const { return catch_block_; } |
1279 | 1273 |
1280 protected: | 1274 protected: |
1281 TryCatchStatement(int index, | 1275 TryCatchStatement(int index, |
1282 Block* try_block, | 1276 Block* try_block, |
1283 Scope* scope, | 1277 Scope* scope, |
1284 Variable* variable, | 1278 Variable* variable, |
1285 Block* catch_block) | 1279 Block* catch_block) |
1286 : TryStatement(index, try_block), | 1280 : TryStatement(index, try_block), |
1287 scope_(scope), | 1281 scope_(scope), |
1288 variable_(variable), | 1282 variable_(variable), |
1289 catch_block_(catch_block) { | 1283 catch_block_(catch_block) { |
1290 } | 1284 } |
1291 | 1285 |
1292 private: | 1286 private: |
1293 Scope* scope_; | 1287 Scope* scope_; |
1294 Variable* variable_; | 1288 Variable* variable_; |
1295 Block* catch_block_; | 1289 Block* catch_block_; |
1296 }; | 1290 }; |
1297 | 1291 |
1298 | 1292 |
1299 class TryFinallyStatement V8_FINAL : public TryStatement { | 1293 class TryFinallyStatement: public TryStatement { |
1300 public: | 1294 public: |
1301 DECLARE_NODE_TYPE(TryFinallyStatement) | 1295 DECLARE_NODE_TYPE(TryFinallyStatement) |
1302 | 1296 |
1303 Block* finally_block() const { return finally_block_; } | 1297 Block* finally_block() const { return finally_block_; } |
1304 | 1298 |
1305 protected: | 1299 protected: |
1306 TryFinallyStatement(int index, Block* try_block, Block* finally_block) | 1300 TryFinallyStatement(int index, Block* try_block, Block* finally_block) |
1307 : TryStatement(index, try_block), | 1301 : TryStatement(index, try_block), |
1308 finally_block_(finally_block) { } | 1302 finally_block_(finally_block) { } |
1309 | 1303 |
1310 private: | 1304 private: |
1311 Block* finally_block_; | 1305 Block* finally_block_; |
1312 }; | 1306 }; |
1313 | 1307 |
1314 | 1308 |
1315 class DebuggerStatement V8_FINAL : public Statement { | 1309 class DebuggerStatement: public Statement { |
1316 public: | 1310 public: |
1317 DECLARE_NODE_TYPE(DebuggerStatement) | 1311 DECLARE_NODE_TYPE(DebuggerStatement) |
1318 | 1312 |
1319 protected: | 1313 protected: |
1320 DebuggerStatement() {} | 1314 DebuggerStatement() {} |
1321 }; | 1315 }; |
1322 | 1316 |
1323 | 1317 |
1324 class EmptyStatement V8_FINAL : public Statement { | 1318 class EmptyStatement: public Statement { |
1325 public: | 1319 public: |
1326 DECLARE_NODE_TYPE(EmptyStatement) | 1320 DECLARE_NODE_TYPE(EmptyStatement) |
1327 | 1321 |
1328 protected: | 1322 protected: |
1329 EmptyStatement() {} | 1323 EmptyStatement() {} |
1330 }; | 1324 }; |
1331 | 1325 |
1332 | 1326 |
1333 class Literal V8_FINAL : public Expression { | 1327 class Literal: public Expression { |
1334 public: | 1328 public: |
1335 DECLARE_NODE_TYPE(Literal) | 1329 DECLARE_NODE_TYPE(Literal) |
1336 | 1330 |
1337 virtual bool IsPropertyName() V8_OVERRIDE { | 1331 virtual bool IsPropertyName() { |
1338 if (value_->IsInternalizedString()) { | 1332 if (value_->IsInternalizedString()) { |
1339 uint32_t ignored; | 1333 uint32_t ignored; |
1340 return !String::cast(*value_)->AsArrayIndex(&ignored); | 1334 return !String::cast(*value_)->AsArrayIndex(&ignored); |
1341 } | 1335 } |
1342 return false; | 1336 return false; |
1343 } | 1337 } |
1344 | 1338 |
1345 Handle<String> AsPropertyName() { | 1339 Handle<String> AsPropertyName() { |
1346 ASSERT(IsPropertyName()); | 1340 ASSERT(IsPropertyName()); |
1347 return Handle<String>::cast(value_); | 1341 return Handle<String>::cast(value_); |
1348 } | 1342 } |
1349 | 1343 |
1350 virtual bool ToBooleanIsTrue() V8_OVERRIDE { | 1344 virtual bool ToBooleanIsTrue() { return value_->BooleanValue(); } |
1351 return value_->BooleanValue(); | 1345 virtual bool ToBooleanIsFalse() { return !value_->BooleanValue(); } |
1352 } | |
1353 virtual bool ToBooleanIsFalse() V8_OVERRIDE { | |
1354 return !value_->BooleanValue(); | |
1355 } | |
1356 | 1346 |
1357 // Identity testers. | 1347 // Identity testers. |
1358 bool IsNull() const { | 1348 bool IsNull() const { |
1359 ASSERT(!value_.is_null()); | 1349 ASSERT(!value_.is_null()); |
1360 return value_->IsNull(); | 1350 return value_->IsNull(); |
1361 } | 1351 } |
1362 bool IsTrue() const { | 1352 bool IsTrue() const { |
1363 ASSERT(!value_.is_null()); | 1353 ASSERT(!value_.is_null()); |
1364 return value_->IsTrue(); | 1354 return value_->IsTrue(); |
1365 } | 1355 } |
(...skipping 22 matching lines...) Expand all Loading... |
1388 value_(value) { } | 1378 value_(value) { } |
1389 | 1379 |
1390 private: | 1380 private: |
1391 Handle<String> ToString(); | 1381 Handle<String> ToString(); |
1392 | 1382 |
1393 Handle<Object> value_; | 1383 Handle<Object> value_; |
1394 }; | 1384 }; |
1395 | 1385 |
1396 | 1386 |
1397 // Base class for literals that needs space in the corresponding JSFunction. | 1387 // Base class for literals that needs space in the corresponding JSFunction. |
1398 class MaterializedLiteral : public Expression { | 1388 class MaterializedLiteral: public Expression { |
1399 public: | 1389 public: |
1400 virtual MaterializedLiteral* AsMaterializedLiteral() { return this; } | 1390 virtual MaterializedLiteral* AsMaterializedLiteral() { return this; } |
1401 | 1391 |
1402 int literal_index() { return literal_index_; } | 1392 int literal_index() { return literal_index_; } |
1403 | 1393 |
1404 // A materialized literal is simple if the values consist of only | 1394 // A materialized literal is simple if the values consist of only |
1405 // constants and simple object and array literals. | 1395 // constants and simple object and array literals. |
1406 bool is_simple() const { return is_simple_; } | 1396 bool is_simple() const { return is_simple_; } |
1407 | 1397 |
1408 int depth() const { return depth_; } | 1398 int depth() const { return depth_; } |
(...skipping 11 matching lines...) Expand all Loading... |
1420 private: | 1410 private: |
1421 int literal_index_; | 1411 int literal_index_; |
1422 bool is_simple_; | 1412 bool is_simple_; |
1423 int depth_; | 1413 int depth_; |
1424 }; | 1414 }; |
1425 | 1415 |
1426 | 1416 |
1427 // Property is used for passing information | 1417 // Property is used for passing information |
1428 // about an object literal's properties from the parser | 1418 // about an object literal's properties from the parser |
1429 // to the code generator. | 1419 // to the code generator. |
1430 class ObjectLiteralProperty V8_FINAL : public ZoneObject { | 1420 class ObjectLiteralProperty: public ZoneObject { |
1431 public: | 1421 public: |
1432 enum Kind { | 1422 enum Kind { |
1433 CONSTANT, // Property with constant value (compile time). | 1423 CONSTANT, // Property with constant value (compile time). |
1434 COMPUTED, // Property with computed value (execution time). | 1424 COMPUTED, // Property with computed value (execution time). |
1435 MATERIALIZED_LITERAL, // Property value is a materialized literal. | 1425 MATERIALIZED_LITERAL, // Property value is a materialized literal. |
1436 GETTER, SETTER, // Property is an accessor function. | 1426 GETTER, SETTER, // Property is an accessor function. |
1437 PROTOTYPE // Property is __proto__. | 1427 PROTOTYPE // Property is __proto__. |
1438 }; | 1428 }; |
1439 | 1429 |
1440 ObjectLiteralProperty(Literal* key, Expression* value, Isolate* isolate); | 1430 ObjectLiteralProperty(Literal* key, Expression* value, Isolate* isolate); |
(...skipping 22 matching lines...) Expand all Loading... |
1463 Literal* key_; | 1453 Literal* key_; |
1464 Expression* value_; | 1454 Expression* value_; |
1465 Kind kind_; | 1455 Kind kind_; |
1466 bool emit_store_; | 1456 bool emit_store_; |
1467 Handle<Map> receiver_type_; | 1457 Handle<Map> receiver_type_; |
1468 }; | 1458 }; |
1469 | 1459 |
1470 | 1460 |
1471 // An object literal has a boilerplate object that is used | 1461 // An object literal has a boilerplate object that is used |
1472 // for minimizing the work when constructing it at runtime. | 1462 // for minimizing the work when constructing it at runtime. |
1473 class ObjectLiteral V8_FINAL : public MaterializedLiteral { | 1463 class ObjectLiteral: public MaterializedLiteral { |
1474 public: | 1464 public: |
1475 typedef ObjectLiteralProperty Property; | 1465 typedef ObjectLiteralProperty Property; |
1476 | 1466 |
1477 DECLARE_NODE_TYPE(ObjectLiteral) | 1467 DECLARE_NODE_TYPE(ObjectLiteral) |
1478 | 1468 |
1479 Handle<FixedArray> constant_properties() const { | 1469 Handle<FixedArray> constant_properties() const { |
1480 return constant_properties_; | 1470 return constant_properties_; |
1481 } | 1471 } |
1482 ZoneList<Property*>* properties() const { return properties_; } | 1472 ZoneList<Property*>* properties() const { return properties_; } |
1483 bool fast_elements() const { return fast_elements_; } | 1473 bool fast_elements() const { return fast_elements_; } |
(...skipping 37 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1521 private: | 1511 private: |
1522 Handle<FixedArray> constant_properties_; | 1512 Handle<FixedArray> constant_properties_; |
1523 ZoneList<Property*>* properties_; | 1513 ZoneList<Property*>* properties_; |
1524 bool fast_elements_; | 1514 bool fast_elements_; |
1525 bool may_store_doubles_; | 1515 bool may_store_doubles_; |
1526 bool has_function_; | 1516 bool has_function_; |
1527 }; | 1517 }; |
1528 | 1518 |
1529 | 1519 |
1530 // Node for capturing a regexp literal. | 1520 // Node for capturing a regexp literal. |
1531 class RegExpLiteral V8_FINAL : public MaterializedLiteral { | 1521 class RegExpLiteral: public MaterializedLiteral { |
1532 public: | 1522 public: |
1533 DECLARE_NODE_TYPE(RegExpLiteral) | 1523 DECLARE_NODE_TYPE(RegExpLiteral) |
1534 | 1524 |
1535 Handle<String> pattern() const { return pattern_; } | 1525 Handle<String> pattern() const { return pattern_; } |
1536 Handle<String> flags() const { return flags_; } | 1526 Handle<String> flags() const { return flags_; } |
1537 | 1527 |
1538 protected: | 1528 protected: |
1539 RegExpLiteral(Isolate* isolate, | 1529 RegExpLiteral(Isolate* isolate, |
1540 Handle<String> pattern, | 1530 Handle<String> pattern, |
1541 Handle<String> flags, | 1531 Handle<String> flags, |
1542 int literal_index) | 1532 int literal_index) |
1543 : MaterializedLiteral(isolate, literal_index, false, 1), | 1533 : MaterializedLiteral(isolate, literal_index, false, 1), |
1544 pattern_(pattern), | 1534 pattern_(pattern), |
1545 flags_(flags) {} | 1535 flags_(flags) {} |
1546 | 1536 |
1547 private: | 1537 private: |
1548 Handle<String> pattern_; | 1538 Handle<String> pattern_; |
1549 Handle<String> flags_; | 1539 Handle<String> flags_; |
1550 }; | 1540 }; |
1551 | 1541 |
1552 // An array literal has a literals object that is used | 1542 // An array literal has a literals object that is used |
1553 // for minimizing the work when constructing it at runtime. | 1543 // for minimizing the work when constructing it at runtime. |
1554 class ArrayLiteral V8_FINAL : public MaterializedLiteral { | 1544 class ArrayLiteral: public MaterializedLiteral { |
1555 public: | 1545 public: |
1556 DECLARE_NODE_TYPE(ArrayLiteral) | 1546 DECLARE_NODE_TYPE(ArrayLiteral) |
1557 | 1547 |
1558 Handle<FixedArray> constant_elements() const { return constant_elements_; } | 1548 Handle<FixedArray> constant_elements() const { return constant_elements_; } |
1559 ZoneList<Expression*>* values() const { return values_; } | 1549 ZoneList<Expression*>* values() const { return values_; } |
1560 | 1550 |
1561 // Return an AST id for an element that is used in simulate instructions. | 1551 // Return an AST id for an element that is used in simulate instructions. |
1562 BailoutId GetIdForElement(int i) { | 1552 BailoutId GetIdForElement(int i) { |
1563 return BailoutId(first_element_id_.ToInt() + i); | 1553 return BailoutId(first_element_id_.ToInt() + i); |
1564 } | 1554 } |
(...skipping 10 matching lines...) Expand all Loading... |
1575 values_(values), | 1565 values_(values), |
1576 first_element_id_(ReserveIdRange(isolate, values->length())) {} | 1566 first_element_id_(ReserveIdRange(isolate, values->length())) {} |
1577 | 1567 |
1578 private: | 1568 private: |
1579 Handle<FixedArray> constant_elements_; | 1569 Handle<FixedArray> constant_elements_; |
1580 ZoneList<Expression*>* values_; | 1570 ZoneList<Expression*>* values_; |
1581 const BailoutId first_element_id_; | 1571 const BailoutId first_element_id_; |
1582 }; | 1572 }; |
1583 | 1573 |
1584 | 1574 |
1585 class VariableProxy V8_FINAL : public Expression { | 1575 class VariableProxy: public Expression { |
1586 public: | 1576 public: |
1587 DECLARE_NODE_TYPE(VariableProxy) | 1577 DECLARE_NODE_TYPE(VariableProxy) |
1588 | 1578 |
1589 virtual bool IsValidLeftHandSide() V8_OVERRIDE { | 1579 virtual bool IsValidLeftHandSide() { |
1590 return var_ == NULL ? true : var_->IsValidLeftHandSide(); | 1580 return var_ == NULL ? true : var_->IsValidLeftHandSide(); |
1591 } | 1581 } |
1592 | 1582 |
1593 bool IsVariable(Handle<String> n) { | 1583 bool IsVariable(Handle<String> n) { |
1594 return !is_this() && name().is_identical_to(n); | 1584 return !is_this() && name().is_identical_to(n); |
1595 } | 1585 } |
1596 | 1586 |
1597 bool IsArguments() { return var_ != NULL && var_->is_arguments(); } | 1587 bool IsArguments() { return var_ != NULL && var_->is_arguments(); } |
1598 | 1588 |
1599 bool IsLValue() { | 1589 bool IsLValue() { |
(...skipping 27 matching lines...) Expand all Loading... |
1627 bool is_this_; | 1617 bool is_this_; |
1628 bool is_trivial_; | 1618 bool is_trivial_; |
1629 // True if this variable proxy is being used in an assignment | 1619 // True if this variable proxy is being used in an assignment |
1630 // or with a increment/decrement operator. | 1620 // or with a increment/decrement operator. |
1631 bool is_lvalue_; | 1621 bool is_lvalue_; |
1632 int position_; | 1622 int position_; |
1633 Interface* interface_; | 1623 Interface* interface_; |
1634 }; | 1624 }; |
1635 | 1625 |
1636 | 1626 |
1637 class Property V8_FINAL : public Expression { | 1627 class Property: public Expression { |
1638 public: | 1628 public: |
1639 DECLARE_NODE_TYPE(Property) | 1629 DECLARE_NODE_TYPE(Property) |
1640 | 1630 |
1641 virtual bool IsValidLeftHandSide() V8_OVERRIDE { return true; } | 1631 virtual bool IsValidLeftHandSide() { return true; } |
1642 | 1632 |
1643 Expression* obj() const { return obj_; } | 1633 Expression* obj() const { return obj_; } |
1644 Expression* key() const { return key_; } | 1634 Expression* key() const { return key_; } |
1645 virtual int position() const V8_OVERRIDE { return pos_; } | 1635 virtual int position() const { return pos_; } |
1646 | 1636 |
1647 BailoutId LoadId() const { return load_id_; } | 1637 BailoutId LoadId() const { return load_id_; } |
1648 | 1638 |
1649 bool IsStringLength() const { return is_string_length_; } | 1639 bool IsStringLength() const { return is_string_length_; } |
1650 bool IsStringAccess() const { return is_string_access_; } | 1640 bool IsStringAccess() const { return is_string_access_; } |
1651 bool IsFunctionPrototype() const { return is_function_prototype_; } | 1641 bool IsFunctionPrototype() const { return is_function_prototype_; } |
1652 | 1642 |
1653 // Type feedback information. | 1643 // Type feedback information. |
1654 void RecordTypeFeedback(TypeFeedbackOracle* oracle, Zone* zone); | 1644 void RecordTypeFeedback(TypeFeedbackOracle* oracle, Zone* zone); |
1655 virtual bool IsMonomorphic() V8_OVERRIDE { return is_monomorphic_; } | 1645 virtual bool IsMonomorphic() { return is_monomorphic_; } |
1656 virtual SmallMapList* GetReceiverTypes() V8_OVERRIDE { | 1646 virtual SmallMapList* GetReceiverTypes() { return &receiver_types_; } |
1657 return &receiver_types_; | 1647 virtual KeyedAccessStoreMode GetStoreMode() { |
1658 } | |
1659 virtual KeyedAccessStoreMode GetStoreMode() V8_OVERRIDE { | |
1660 return STANDARD_STORE; | 1648 return STANDARD_STORE; |
1661 } | 1649 } |
1662 bool IsUninitialized() { return is_uninitialized_; } | 1650 bool IsUninitialized() { return is_uninitialized_; } |
1663 TypeFeedbackId PropertyFeedbackId() { return reuse(id()); } | 1651 TypeFeedbackId PropertyFeedbackId() { return reuse(id()); } |
1664 | 1652 |
1665 protected: | 1653 protected: |
1666 Property(Isolate* isolate, | 1654 Property(Isolate* isolate, |
1667 Expression* obj, | 1655 Expression* obj, |
1668 Expression* key, | 1656 Expression* key, |
1669 int pos) | 1657 int pos) |
(...skipping 16 matching lines...) Expand all Loading... |
1686 | 1674 |
1687 SmallMapList receiver_types_; | 1675 SmallMapList receiver_types_; |
1688 bool is_monomorphic_ : 1; | 1676 bool is_monomorphic_ : 1; |
1689 bool is_uninitialized_ : 1; | 1677 bool is_uninitialized_ : 1; |
1690 bool is_string_length_ : 1; | 1678 bool is_string_length_ : 1; |
1691 bool is_string_access_ : 1; | 1679 bool is_string_access_ : 1; |
1692 bool is_function_prototype_ : 1; | 1680 bool is_function_prototype_ : 1; |
1693 }; | 1681 }; |
1694 | 1682 |
1695 | 1683 |
1696 class Call V8_FINAL : public Expression { | 1684 class Call: public Expression { |
1697 public: | 1685 public: |
1698 DECLARE_NODE_TYPE(Call) | 1686 DECLARE_NODE_TYPE(Call) |
1699 | 1687 |
1700 Expression* expression() const { return expression_; } | 1688 Expression* expression() const { return expression_; } |
1701 ZoneList<Expression*>* arguments() const { return arguments_; } | 1689 ZoneList<Expression*>* arguments() const { return arguments_; } |
1702 virtual int position() const V8_FINAL { return pos_; } | 1690 virtual int position() const { return pos_; } |
1703 | 1691 |
1704 // Type feedback information. | 1692 // Type feedback information. |
1705 TypeFeedbackId CallFeedbackId() const { return reuse(id()); } | 1693 TypeFeedbackId CallFeedbackId() const { return reuse(id()); } |
1706 void RecordTypeFeedback(TypeFeedbackOracle* oracle, CallKind call_kind); | 1694 void RecordTypeFeedback(TypeFeedbackOracle* oracle, CallKind call_kind); |
1707 virtual SmallMapList* GetReceiverTypes() V8_OVERRIDE { | 1695 virtual SmallMapList* GetReceiverTypes() { return &receiver_types_; } |
1708 return &receiver_types_; | 1696 virtual bool IsMonomorphic() { return is_monomorphic_; } |
1709 } | |
1710 virtual bool IsMonomorphic() V8_OVERRIDE { return is_monomorphic_; } | |
1711 CheckType check_type() const { return check_type_; } | 1697 CheckType check_type() const { return check_type_; } |
1712 | 1698 |
1713 void set_string_check(Handle<JSObject> holder) { | 1699 void set_string_check(Handle<JSObject> holder) { |
1714 holder_ = holder; | 1700 holder_ = holder; |
1715 check_type_ = STRING_CHECK; | 1701 check_type_ = STRING_CHECK; |
1716 } | 1702 } |
1717 | 1703 |
1718 void set_number_check(Handle<JSObject> holder) { | 1704 void set_number_check(Handle<JSObject> holder) { |
1719 holder_ = holder; | 1705 holder_ = holder; |
1720 check_type_ = NUMBER_CHECK; | 1706 check_type_ = NUMBER_CHECK; |
(...skipping 50 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1771 CheckType check_type_; | 1757 CheckType check_type_; |
1772 SmallMapList receiver_types_; | 1758 SmallMapList receiver_types_; |
1773 Handle<JSFunction> target_; | 1759 Handle<JSFunction> target_; |
1774 Handle<JSObject> holder_; | 1760 Handle<JSObject> holder_; |
1775 Handle<Cell> cell_; | 1761 Handle<Cell> cell_; |
1776 | 1762 |
1777 const BailoutId return_id_; | 1763 const BailoutId return_id_; |
1778 }; | 1764 }; |
1779 | 1765 |
1780 | 1766 |
1781 class CallNew V8_FINAL : public Expression { | 1767 class CallNew: public Expression { |
1782 public: | 1768 public: |
1783 DECLARE_NODE_TYPE(CallNew) | 1769 DECLARE_NODE_TYPE(CallNew) |
1784 | 1770 |
1785 Expression* expression() const { return expression_; } | 1771 Expression* expression() const { return expression_; } |
1786 ZoneList<Expression*>* arguments() const { return arguments_; } | 1772 ZoneList<Expression*>* arguments() const { return arguments_; } |
1787 virtual int position() const V8_OVERRIDE { return pos_; } | 1773 virtual int position() const { return pos_; } |
1788 | 1774 |
1789 // Type feedback information. | 1775 // Type feedback information. |
1790 TypeFeedbackId CallNewFeedbackId() const { return reuse(id()); } | 1776 TypeFeedbackId CallNewFeedbackId() const { return reuse(id()); } |
1791 void RecordTypeFeedback(TypeFeedbackOracle* oracle); | 1777 void RecordTypeFeedback(TypeFeedbackOracle* oracle); |
1792 virtual bool IsMonomorphic() V8_OVERRIDE { return is_monomorphic_; } | 1778 virtual bool IsMonomorphic() { return is_monomorphic_; } |
1793 Handle<JSFunction> target() const { return target_; } | 1779 Handle<JSFunction> target() const { return target_; } |
1794 ElementsKind elements_kind() const { return elements_kind_; } | 1780 ElementsKind elements_kind() const { return elements_kind_; } |
1795 Handle<Cell> allocation_info_cell() const { | 1781 Handle<Cell> allocation_info_cell() const { |
1796 return allocation_info_cell_; | 1782 return allocation_info_cell_; |
1797 } | 1783 } |
1798 | 1784 |
1799 BailoutId ReturnId() const { return return_id_; } | 1785 BailoutId ReturnId() const { return return_id_; } |
1800 | 1786 |
1801 protected: | 1787 protected: |
1802 CallNew(Isolate* isolate, | 1788 CallNew(Isolate* isolate, |
(...skipping 19 matching lines...) Expand all Loading... |
1822 Handle<Cell> allocation_info_cell_; | 1808 Handle<Cell> allocation_info_cell_; |
1823 | 1809 |
1824 const BailoutId return_id_; | 1810 const BailoutId return_id_; |
1825 }; | 1811 }; |
1826 | 1812 |
1827 | 1813 |
1828 // The CallRuntime class does not represent any official JavaScript | 1814 // The CallRuntime class does not represent any official JavaScript |
1829 // language construct. Instead it is used to call a C or JS function | 1815 // language construct. Instead it is used to call a C or JS function |
1830 // with a set of arguments. This is used from the builtins that are | 1816 // with a set of arguments. This is used from the builtins that are |
1831 // implemented in JavaScript (see "v8natives.js"). | 1817 // implemented in JavaScript (see "v8natives.js"). |
1832 class CallRuntime V8_FINAL : public Expression { | 1818 class CallRuntime: public Expression { |
1833 public: | 1819 public: |
1834 DECLARE_NODE_TYPE(CallRuntime) | 1820 DECLARE_NODE_TYPE(CallRuntime) |
1835 | 1821 |
1836 Handle<String> name() const { return name_; } | 1822 Handle<String> name() const { return name_; } |
1837 const Runtime::Function* function() const { return function_; } | 1823 const Runtime::Function* function() const { return function_; } |
1838 ZoneList<Expression*>* arguments() const { return arguments_; } | 1824 ZoneList<Expression*>* arguments() const { return arguments_; } |
1839 bool is_jsruntime() const { return function_ == NULL; } | 1825 bool is_jsruntime() const { return function_ == NULL; } |
1840 | 1826 |
1841 TypeFeedbackId CallRuntimeFeedbackId() const { return reuse(id()); } | 1827 TypeFeedbackId CallRuntimeFeedbackId() const { return reuse(id()); } |
1842 | 1828 |
1843 protected: | 1829 protected: |
1844 CallRuntime(Isolate* isolate, | 1830 CallRuntime(Isolate* isolate, |
1845 Handle<String> name, | 1831 Handle<String> name, |
1846 const Runtime::Function* function, | 1832 const Runtime::Function* function, |
1847 ZoneList<Expression*>* arguments) | 1833 ZoneList<Expression*>* arguments) |
1848 : Expression(isolate), | 1834 : Expression(isolate), |
1849 name_(name), | 1835 name_(name), |
1850 function_(function), | 1836 function_(function), |
1851 arguments_(arguments) { } | 1837 arguments_(arguments) { } |
1852 | 1838 |
1853 private: | 1839 private: |
1854 Handle<String> name_; | 1840 Handle<String> name_; |
1855 const Runtime::Function* function_; | 1841 const Runtime::Function* function_; |
1856 ZoneList<Expression*>* arguments_; | 1842 ZoneList<Expression*>* arguments_; |
1857 }; | 1843 }; |
1858 | 1844 |
1859 | 1845 |
1860 class UnaryOperation V8_FINAL : public Expression { | 1846 class UnaryOperation: public Expression { |
1861 public: | 1847 public: |
1862 DECLARE_NODE_TYPE(UnaryOperation) | 1848 DECLARE_NODE_TYPE(UnaryOperation) |
1863 | 1849 |
1864 Token::Value op() const { return op_; } | 1850 Token::Value op() const { return op_; } |
1865 Expression* expression() const { return expression_; } | 1851 Expression* expression() const { return expression_; } |
1866 virtual int position() const V8_OVERRIDE { return pos_; } | 1852 virtual int position() const { return pos_; } |
1867 | 1853 |
1868 BailoutId MaterializeTrueId() { return materialize_true_id_; } | 1854 BailoutId MaterializeTrueId() { return materialize_true_id_; } |
1869 BailoutId MaterializeFalseId() { return materialize_false_id_; } | 1855 BailoutId MaterializeFalseId() { return materialize_false_id_; } |
1870 | 1856 |
1871 virtual void RecordToBooleanTypeFeedback( | 1857 virtual void RecordToBooleanTypeFeedback(TypeFeedbackOracle* oracle); |
1872 TypeFeedbackOracle* oracle) V8_OVERRIDE; | |
1873 | 1858 |
1874 protected: | 1859 protected: |
1875 UnaryOperation(Isolate* isolate, | 1860 UnaryOperation(Isolate* isolate, |
1876 Token::Value op, | 1861 Token::Value op, |
1877 Expression* expression, | 1862 Expression* expression, |
1878 int pos) | 1863 int pos) |
1879 : Expression(isolate), | 1864 : Expression(isolate), |
1880 op_(op), | 1865 op_(op), |
1881 expression_(expression), | 1866 expression_(expression), |
1882 pos_(pos), | 1867 pos_(pos), |
1883 materialize_true_id_(GetNextId(isolate)), | 1868 materialize_true_id_(GetNextId(isolate)), |
1884 materialize_false_id_(GetNextId(isolate)) { | 1869 materialize_false_id_(GetNextId(isolate)) { |
1885 ASSERT(Token::IsUnaryOp(op)); | 1870 ASSERT(Token::IsUnaryOp(op)); |
1886 } | 1871 } |
1887 | 1872 |
1888 private: | 1873 private: |
1889 Token::Value op_; | 1874 Token::Value op_; |
1890 Expression* expression_; | 1875 Expression* expression_; |
1891 int pos_; | 1876 int pos_; |
1892 | 1877 |
1893 // For unary not (Token::NOT), the AST ids where true and false will | 1878 // For unary not (Token::NOT), the AST ids where true and false will |
1894 // actually be materialized, respectively. | 1879 // actually be materialized, respectively. |
1895 const BailoutId materialize_true_id_; | 1880 const BailoutId materialize_true_id_; |
1896 const BailoutId materialize_false_id_; | 1881 const BailoutId materialize_false_id_; |
1897 }; | 1882 }; |
1898 | 1883 |
1899 | 1884 |
1900 class BinaryOperation V8_FINAL : public Expression { | 1885 class BinaryOperation: public Expression { |
1901 public: | 1886 public: |
1902 DECLARE_NODE_TYPE(BinaryOperation) | 1887 DECLARE_NODE_TYPE(BinaryOperation) |
1903 | 1888 |
1904 virtual bool ResultOverwriteAllowed(); | 1889 virtual bool ResultOverwriteAllowed(); |
1905 | 1890 |
1906 Token::Value op() const { return op_; } | 1891 Token::Value op() const { return op_; } |
1907 Expression* left() const { return left_; } | 1892 Expression* left() const { return left_; } |
1908 Expression* right() const { return right_; } | 1893 Expression* right() const { return right_; } |
1909 virtual int position() const V8_OVERRIDE { return pos_; } | 1894 virtual int position() const { return pos_; } |
1910 | 1895 |
1911 BailoutId RightId() const { return right_id_; } | 1896 BailoutId RightId() const { return right_id_; } |
1912 | 1897 |
1913 TypeFeedbackId BinaryOperationFeedbackId() const { return reuse(id()); } | 1898 TypeFeedbackId BinaryOperationFeedbackId() const { return reuse(id()); } |
1914 Maybe<int> fixed_right_arg() const { return fixed_right_arg_; } | 1899 Maybe<int> fixed_right_arg() const { return fixed_right_arg_; } |
1915 void set_fixed_right_arg(Maybe<int> arg) { fixed_right_arg_ = arg; } | 1900 void set_fixed_right_arg(Maybe<int> arg) { fixed_right_arg_ = arg; } |
1916 | 1901 |
1917 virtual void RecordToBooleanTypeFeedback( | 1902 virtual void RecordToBooleanTypeFeedback(TypeFeedbackOracle* oracle); |
1918 TypeFeedbackOracle* oracle) V8_OVERRIDE; | |
1919 | 1903 |
1920 protected: | 1904 protected: |
1921 BinaryOperation(Isolate* isolate, | 1905 BinaryOperation(Isolate* isolate, |
1922 Token::Value op, | 1906 Token::Value op, |
1923 Expression* left, | 1907 Expression* left, |
1924 Expression* right, | 1908 Expression* right, |
1925 int pos) | 1909 int pos) |
1926 : Expression(isolate), | 1910 : Expression(isolate), |
1927 op_(op), | 1911 op_(op), |
1928 left_(left), | 1912 left_(left), |
(...skipping 12 matching lines...) Expand all Loading... |
1941 // TODO(rossberg): the fixed arg should probably be represented as a Constant | 1925 // TODO(rossberg): the fixed arg should probably be represented as a Constant |
1942 // type for the RHS. | 1926 // type for the RHS. |
1943 Maybe<int> fixed_right_arg_; | 1927 Maybe<int> fixed_right_arg_; |
1944 | 1928 |
1945 // The short-circuit logical operations need an AST ID for their | 1929 // The short-circuit logical operations need an AST ID for their |
1946 // right-hand subexpression. | 1930 // right-hand subexpression. |
1947 const BailoutId right_id_; | 1931 const BailoutId right_id_; |
1948 }; | 1932 }; |
1949 | 1933 |
1950 | 1934 |
1951 class CountOperation V8_FINAL : public Expression { | 1935 class CountOperation: public Expression { |
1952 public: | 1936 public: |
1953 DECLARE_NODE_TYPE(CountOperation) | 1937 DECLARE_NODE_TYPE(CountOperation) |
1954 | 1938 |
1955 bool is_prefix() const { return is_prefix_; } | 1939 bool is_prefix() const { return is_prefix_; } |
1956 bool is_postfix() const { return !is_prefix_; } | 1940 bool is_postfix() const { return !is_prefix_; } |
1957 | 1941 |
1958 Token::Value op() const { return op_; } | 1942 Token::Value op() const { return op_; } |
1959 Token::Value binary_op() { | 1943 Token::Value binary_op() { |
1960 return (op() == Token::INC) ? Token::ADD : Token::SUB; | 1944 return (op() == Token::INC) ? Token::ADD : Token::SUB; |
1961 } | 1945 } |
1962 | 1946 |
1963 Expression* expression() const { return expression_; } | 1947 Expression* expression() const { return expression_; } |
1964 virtual int position() const V8_OVERRIDE { return pos_; } | 1948 virtual int position() const { return pos_; } |
| 1949 |
| 1950 virtual void MarkAsStatement() { is_prefix_ = true; } |
1965 | 1951 |
1966 void RecordTypeFeedback(TypeFeedbackOracle* oracle, Zone* znoe); | 1952 void RecordTypeFeedback(TypeFeedbackOracle* oracle, Zone* znoe); |
1967 virtual bool IsMonomorphic() V8_OVERRIDE { return is_monomorphic_; } | 1953 virtual bool IsMonomorphic() { return is_monomorphic_; } |
1968 virtual SmallMapList* GetReceiverTypes() V8_OVERRIDE { | 1954 virtual SmallMapList* GetReceiverTypes() { return &receiver_types_; } |
1969 return &receiver_types_; | 1955 virtual KeyedAccessStoreMode GetStoreMode() { |
1970 } | |
1971 virtual KeyedAccessStoreMode GetStoreMode() V8_OVERRIDE { | |
1972 return store_mode_; | 1956 return store_mode_; |
1973 } | 1957 } |
1974 TypeInfo type() const { return type_; } | 1958 TypeInfo type() const { return type_; } |
1975 | 1959 |
1976 BailoutId AssignmentId() const { return assignment_id_; } | 1960 BailoutId AssignmentId() const { return assignment_id_; } |
1977 | 1961 |
1978 TypeFeedbackId CountBinOpFeedbackId() const { return count_id_; } | 1962 TypeFeedbackId CountBinOpFeedbackId() const { return count_id_; } |
1979 TypeFeedbackId CountStoreFeedbackId() const { return reuse(id()); } | 1963 TypeFeedbackId CountStoreFeedbackId() const { return reuse(id()); } |
1980 | 1964 |
1981 protected: | 1965 protected: |
(...skipping 21 matching lines...) Expand all Loading... |
2003 TypeInfo type_; | 1987 TypeInfo type_; |
2004 | 1988 |
2005 Expression* expression_; | 1989 Expression* expression_; |
2006 int pos_; | 1990 int pos_; |
2007 const BailoutId assignment_id_; | 1991 const BailoutId assignment_id_; |
2008 const TypeFeedbackId count_id_; | 1992 const TypeFeedbackId count_id_; |
2009 SmallMapList receiver_types_; | 1993 SmallMapList receiver_types_; |
2010 }; | 1994 }; |
2011 | 1995 |
2012 | 1996 |
2013 class CompareOperation V8_FINAL : public Expression { | 1997 class CompareOperation: public Expression { |
2014 public: | 1998 public: |
2015 DECLARE_NODE_TYPE(CompareOperation) | 1999 DECLARE_NODE_TYPE(CompareOperation) |
2016 | 2000 |
2017 Token::Value op() const { return op_; } | 2001 Token::Value op() const { return op_; } |
2018 Expression* left() const { return left_; } | 2002 Expression* left() const { return left_; } |
2019 Expression* right() const { return right_; } | 2003 Expression* right() const { return right_; } |
2020 virtual int position() const V8_OVERRIDE { return pos_; } | 2004 virtual int position() const { return pos_; } |
2021 | 2005 |
2022 // Type feedback information. | 2006 // Type feedback information. |
2023 TypeFeedbackId CompareOperationFeedbackId() const { return reuse(id()); } | 2007 TypeFeedbackId CompareOperationFeedbackId() const { return reuse(id()); } |
2024 Handle<Type> combined_type() const { return combined_type_; } | 2008 Handle<Type> combined_type() const { return combined_type_; } |
2025 void set_combined_type(Handle<Type> type) { combined_type_ = type; } | 2009 void set_combined_type(Handle<Type> type) { combined_type_ = type; } |
2026 | 2010 |
2027 // Match special cases. | 2011 // Match special cases. |
2028 bool IsLiteralCompareTypeof(Expression** expr, Handle<String>* check); | 2012 bool IsLiteralCompareTypeof(Expression** expr, Handle<String>* check); |
2029 bool IsLiteralCompareUndefined(Expression** expr, Isolate* isolate); | 2013 bool IsLiteralCompareUndefined(Expression** expr, Isolate* isolate); |
2030 bool IsLiteralCompareNull(Expression** expr); | 2014 bool IsLiteralCompareNull(Expression** expr); |
(...skipping 15 matching lines...) Expand all Loading... |
2046 private: | 2030 private: |
2047 Token::Value op_; | 2031 Token::Value op_; |
2048 Expression* left_; | 2032 Expression* left_; |
2049 Expression* right_; | 2033 Expression* right_; |
2050 int pos_; | 2034 int pos_; |
2051 | 2035 |
2052 Handle<Type> combined_type_; | 2036 Handle<Type> combined_type_; |
2053 }; | 2037 }; |
2054 | 2038 |
2055 | 2039 |
2056 class Conditional V8_FINAL : public Expression { | 2040 class Conditional: public Expression { |
2057 public: | 2041 public: |
2058 DECLARE_NODE_TYPE(Conditional) | 2042 DECLARE_NODE_TYPE(Conditional) |
2059 | 2043 |
2060 Expression* condition() const { return condition_; } | 2044 Expression* condition() const { return condition_; } |
2061 Expression* then_expression() const { return then_expression_; } | 2045 Expression* then_expression() const { return then_expression_; } |
2062 Expression* else_expression() const { return else_expression_; } | 2046 Expression* else_expression() const { return else_expression_; } |
2063 | 2047 |
2064 int then_expression_position() const { return then_expression_position_; } | 2048 int then_expression_position() const { return then_expression_position_; } |
2065 int else_expression_position() const { return else_expression_position_; } | 2049 int else_expression_position() const { return else_expression_position_; } |
2066 | 2050 |
(...skipping 20 matching lines...) Expand all Loading... |
2087 Expression* condition_; | 2071 Expression* condition_; |
2088 Expression* then_expression_; | 2072 Expression* then_expression_; |
2089 Expression* else_expression_; | 2073 Expression* else_expression_; |
2090 int then_expression_position_; | 2074 int then_expression_position_; |
2091 int else_expression_position_; | 2075 int else_expression_position_; |
2092 const BailoutId then_id_; | 2076 const BailoutId then_id_; |
2093 const BailoutId else_id_; | 2077 const BailoutId else_id_; |
2094 }; | 2078 }; |
2095 | 2079 |
2096 | 2080 |
2097 class Assignment V8_FINAL : public Expression { | 2081 class Assignment: public Expression { |
2098 public: | 2082 public: |
2099 DECLARE_NODE_TYPE(Assignment) | 2083 DECLARE_NODE_TYPE(Assignment) |
2100 | 2084 |
2101 Assignment* AsSimpleAssignment() { return !is_compound() ? this : NULL; } | 2085 Assignment* AsSimpleAssignment() { return !is_compound() ? this : NULL; } |
2102 | 2086 |
2103 Token::Value binary_op() const; | 2087 Token::Value binary_op() const; |
2104 | 2088 |
2105 Token::Value op() const { return op_; } | 2089 Token::Value op() const { return op_; } |
2106 Expression* target() const { return target_; } | 2090 Expression* target() const { return target_; } |
2107 Expression* value() const { return value_; } | 2091 Expression* value() const { return value_; } |
2108 virtual int position() const V8_OVERRIDE { return pos_; } | 2092 virtual int position() const { return pos_; } |
2109 BinaryOperation* binary_operation() const { return binary_operation_; } | 2093 BinaryOperation* binary_operation() const { return binary_operation_; } |
2110 | 2094 |
2111 // This check relies on the definition order of token in token.h. | 2095 // This check relies on the definition order of token in token.h. |
2112 bool is_compound() const { return op() > Token::ASSIGN; } | 2096 bool is_compound() const { return op() > Token::ASSIGN; } |
2113 | 2097 |
2114 BailoutId AssignmentId() const { return assignment_id_; } | 2098 BailoutId AssignmentId() const { return assignment_id_; } |
2115 | 2099 |
2116 // Type feedback information. | 2100 // Type feedback information. |
2117 TypeFeedbackId AssignmentFeedbackId() { return reuse(id()); } | 2101 TypeFeedbackId AssignmentFeedbackId() { return reuse(id()); } |
2118 void RecordTypeFeedback(TypeFeedbackOracle* oracle, Zone* zone); | 2102 void RecordTypeFeedback(TypeFeedbackOracle* oracle, Zone* zone); |
2119 virtual bool IsMonomorphic() V8_OVERRIDE { return is_monomorphic_; } | 2103 virtual bool IsMonomorphic() { return is_monomorphic_; } |
2120 bool IsUninitialized() { return is_uninitialized_; } | 2104 bool IsUninitialized() { return is_uninitialized_; } |
2121 virtual SmallMapList* GetReceiverTypes() V8_OVERRIDE { | 2105 virtual SmallMapList* GetReceiverTypes() { return &receiver_types_; } |
2122 return &receiver_types_; | 2106 virtual KeyedAccessStoreMode GetStoreMode() { |
2123 } | |
2124 virtual KeyedAccessStoreMode GetStoreMode() V8_OVERRIDE { | |
2125 return store_mode_; | 2107 return store_mode_; |
2126 } | 2108 } |
2127 | 2109 |
2128 protected: | 2110 protected: |
2129 Assignment(Isolate* isolate, | 2111 Assignment(Isolate* isolate, |
2130 Token::Value op, | 2112 Token::Value op, |
2131 Expression* target, | 2113 Expression* target, |
2132 Expression* value, | 2114 Expression* value, |
2133 int pos); | 2115 int pos); |
2134 | 2116 |
(...skipping 15 matching lines...) Expand all Loading... |
2150 const BailoutId assignment_id_; | 2132 const BailoutId assignment_id_; |
2151 | 2133 |
2152 bool is_monomorphic_ : 1; | 2134 bool is_monomorphic_ : 1; |
2153 bool is_uninitialized_ : 1; | 2135 bool is_uninitialized_ : 1; |
2154 KeyedAccessStoreMode store_mode_ : 5; // Windows treats as signed, | 2136 KeyedAccessStoreMode store_mode_ : 5; // Windows treats as signed, |
2155 // must have extra bit. | 2137 // must have extra bit. |
2156 SmallMapList receiver_types_; | 2138 SmallMapList receiver_types_; |
2157 }; | 2139 }; |
2158 | 2140 |
2159 | 2141 |
2160 class Yield V8_FINAL : public Expression { | 2142 class Yield: public Expression { |
2161 public: | 2143 public: |
2162 DECLARE_NODE_TYPE(Yield) | 2144 DECLARE_NODE_TYPE(Yield) |
2163 | 2145 |
2164 enum Kind { | 2146 enum Kind { |
2165 INITIAL, // The initial yield that returns the unboxed generator object. | 2147 INITIAL, // The initial yield that returns the unboxed generator object. |
2166 SUSPEND, // A normal yield: { value: EXPRESSION, done: false } | 2148 SUSPEND, // A normal yield: { value: EXPRESSION, done: false } |
2167 DELEGATING, // A yield*. | 2149 DELEGATING, // A yield*. |
2168 FINAL // A return: { value: EXPRESSION, done: true } | 2150 FINAL // A return: { value: EXPRESSION, done: true } |
2169 }; | 2151 }; |
2170 | 2152 |
2171 Expression* generator_object() const { return generator_object_; } | 2153 Expression* generator_object() const { return generator_object_; } |
2172 Expression* expression() const { return expression_; } | 2154 Expression* expression() const { return expression_; } |
2173 Kind yield_kind() const { return yield_kind_; } | 2155 Kind yield_kind() const { return yield_kind_; } |
2174 virtual int position() const V8_OVERRIDE { return pos_; } | 2156 virtual int position() const { return pos_; } |
2175 | 2157 |
2176 // Delegating yield surrounds the "yield" in a "try/catch". This index | 2158 // Delegating yield surrounds the "yield" in a "try/catch". This index |
2177 // locates the catch handler in the handler table, and is equivalent to | 2159 // locates the catch handler in the handler table, and is equivalent to |
2178 // TryCatchStatement::index(). | 2160 // TryCatchStatement::index(). |
2179 int index() const { | 2161 int index() const { |
2180 ASSERT(yield_kind() == DELEGATING); | 2162 ASSERT(yield_kind() == DELEGATING); |
2181 return index_; | 2163 return index_; |
2182 } | 2164 } |
2183 void set_index(int index) { | 2165 void set_index(int index) { |
2184 ASSERT(yield_kind() == DELEGATING); | 2166 ASSERT(yield_kind() == DELEGATING); |
(...skipping 15 matching lines...) Expand all Loading... |
2200 | 2182 |
2201 private: | 2183 private: |
2202 Expression* generator_object_; | 2184 Expression* generator_object_; |
2203 Expression* expression_; | 2185 Expression* expression_; |
2204 Kind yield_kind_; | 2186 Kind yield_kind_; |
2205 int index_; | 2187 int index_; |
2206 int pos_; | 2188 int pos_; |
2207 }; | 2189 }; |
2208 | 2190 |
2209 | 2191 |
2210 class Throw V8_FINAL : public Expression { | 2192 class Throw: public Expression { |
2211 public: | 2193 public: |
2212 DECLARE_NODE_TYPE(Throw) | 2194 DECLARE_NODE_TYPE(Throw) |
2213 | 2195 |
2214 Expression* exception() const { return exception_; } | 2196 Expression* exception() const { return exception_; } |
2215 virtual int position() const V8_OVERRIDE { return pos_; } | 2197 virtual int position() const { return pos_; } |
2216 | 2198 |
2217 protected: | 2199 protected: |
2218 Throw(Isolate* isolate, Expression* exception, int pos) | 2200 Throw(Isolate* isolate, Expression* exception, int pos) |
2219 : Expression(isolate), exception_(exception), pos_(pos) {} | 2201 : Expression(isolate), exception_(exception), pos_(pos) {} |
2220 | 2202 |
2221 private: | 2203 private: |
2222 Expression* exception_; | 2204 Expression* exception_; |
2223 int pos_; | 2205 int pos_; |
2224 }; | 2206 }; |
2225 | 2207 |
2226 | 2208 |
2227 class FunctionLiteral V8_FINAL : public Expression { | 2209 class FunctionLiteral: public Expression { |
2228 public: | 2210 public: |
2229 enum FunctionType { | 2211 enum FunctionType { |
2230 ANONYMOUS_EXPRESSION, | 2212 ANONYMOUS_EXPRESSION, |
2231 NAMED_EXPRESSION, | 2213 NAMED_EXPRESSION, |
2232 DECLARATION | 2214 DECLARATION |
2233 }; | 2215 }; |
2234 | 2216 |
2235 enum ParameterFlag { | 2217 enum ParameterFlag { |
2236 kNoDuplicateParameters = 0, | 2218 kNoDuplicateParameters = 0, |
2237 kHasDuplicateParameters = 1 | 2219 kHasDuplicateParameters = 1 |
(...skipping 129 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
2367 class IsExpression: public BitField<bool, 0, 1> {}; | 2349 class IsExpression: public BitField<bool, 0, 1> {}; |
2368 class IsAnonymous: public BitField<bool, 1, 1> {}; | 2350 class IsAnonymous: public BitField<bool, 1, 1> {}; |
2369 class Pretenure: public BitField<bool, 2, 1> {}; | 2351 class Pretenure: public BitField<bool, 2, 1> {}; |
2370 class HasDuplicateParameters: public BitField<ParameterFlag, 3, 1> {}; | 2352 class HasDuplicateParameters: public BitField<ParameterFlag, 3, 1> {}; |
2371 class IsFunction: public BitField<IsFunctionFlag, 4, 1> {}; | 2353 class IsFunction: public BitField<IsFunctionFlag, 4, 1> {}; |
2372 class IsParenthesized: public BitField<IsParenthesizedFlag, 5, 1> {}; | 2354 class IsParenthesized: public BitField<IsParenthesizedFlag, 5, 1> {}; |
2373 class IsGenerator: public BitField<IsGeneratorFlag, 6, 1> {}; | 2355 class IsGenerator: public BitField<IsGeneratorFlag, 6, 1> {}; |
2374 }; | 2356 }; |
2375 | 2357 |
2376 | 2358 |
2377 class SharedFunctionInfoLiteral V8_FINAL : public Expression { | 2359 class SharedFunctionInfoLiteral: public Expression { |
2378 public: | 2360 public: |
2379 DECLARE_NODE_TYPE(SharedFunctionInfoLiteral) | 2361 DECLARE_NODE_TYPE(SharedFunctionInfoLiteral) |
2380 | 2362 |
2381 Handle<SharedFunctionInfo> shared_function_info() const { | 2363 Handle<SharedFunctionInfo> shared_function_info() const { |
2382 return shared_function_info_; | 2364 return shared_function_info_; |
2383 } | 2365 } |
2384 | 2366 |
2385 protected: | 2367 protected: |
2386 SharedFunctionInfoLiteral( | 2368 SharedFunctionInfoLiteral( |
2387 Isolate* isolate, | 2369 Isolate* isolate, |
2388 Handle<SharedFunctionInfo> shared_function_info) | 2370 Handle<SharedFunctionInfo> shared_function_info) |
2389 : Expression(isolate), | 2371 : Expression(isolate), |
2390 shared_function_info_(shared_function_info) { } | 2372 shared_function_info_(shared_function_info) { } |
2391 | 2373 |
2392 private: | 2374 private: |
2393 Handle<SharedFunctionInfo> shared_function_info_; | 2375 Handle<SharedFunctionInfo> shared_function_info_; |
2394 }; | 2376 }; |
2395 | 2377 |
2396 | 2378 |
2397 class ThisFunction V8_FINAL : public Expression { | 2379 class ThisFunction: public Expression { |
2398 public: | 2380 public: |
2399 DECLARE_NODE_TYPE(ThisFunction) | 2381 DECLARE_NODE_TYPE(ThisFunction) |
2400 | 2382 |
2401 protected: | 2383 protected: |
2402 explicit ThisFunction(Isolate* isolate): Expression(isolate) {} | 2384 explicit ThisFunction(Isolate* isolate): Expression(isolate) {} |
2403 }; | 2385 }; |
2404 | 2386 |
2405 #undef DECLARE_NODE_TYPE | 2387 #undef DECLARE_NODE_TYPE |
2406 | 2388 |
2407 | 2389 |
2408 // ---------------------------------------------------------------------------- | 2390 // ---------------------------------------------------------------------------- |
2409 // Regular expressions | 2391 // Regular expressions |
2410 | 2392 |
2411 | 2393 |
2412 class RegExpVisitor BASE_EMBEDDED { | 2394 class RegExpVisitor BASE_EMBEDDED { |
2413 public: | 2395 public: |
2414 virtual ~RegExpVisitor() { } | 2396 virtual ~RegExpVisitor() { } |
2415 #define MAKE_CASE(Name) \ | 2397 #define MAKE_CASE(Name) \ |
2416 virtual void* Visit##Name(RegExp##Name*, void* data) = 0; | 2398 virtual void* Visit##Name(RegExp##Name*, void* data) = 0; |
2417 FOR_EACH_REG_EXP_TREE_TYPE(MAKE_CASE) | 2399 FOR_EACH_REG_EXP_TREE_TYPE(MAKE_CASE) |
2418 #undef MAKE_CASE | 2400 #undef MAKE_CASE |
2419 }; | 2401 }; |
2420 | 2402 |
2421 | 2403 |
2422 class RegExpTree : public ZoneObject { | 2404 class RegExpTree: public ZoneObject { |
2423 public: | 2405 public: |
2424 static const int kInfinity = kMaxInt; | 2406 static const int kInfinity = kMaxInt; |
2425 virtual ~RegExpTree() {} | 2407 virtual ~RegExpTree() { } |
2426 virtual void* Accept(RegExpVisitor* visitor, void* data) = 0; | 2408 virtual void* Accept(RegExpVisitor* visitor, void* data) = 0; |
2427 virtual RegExpNode* ToNode(RegExpCompiler* compiler, | 2409 virtual RegExpNode* ToNode(RegExpCompiler* compiler, |
2428 RegExpNode* on_success) = 0; | 2410 RegExpNode* on_success) = 0; |
2429 virtual bool IsTextElement() { return false; } | 2411 virtual bool IsTextElement() { return false; } |
2430 virtual bool IsAnchoredAtStart() { return false; } | 2412 virtual bool IsAnchoredAtStart() { return false; } |
2431 virtual bool IsAnchoredAtEnd() { return false; } | 2413 virtual bool IsAnchoredAtEnd() { return false; } |
2432 virtual int min_match() = 0; | 2414 virtual int min_match() = 0; |
2433 virtual int max_match() = 0; | 2415 virtual int max_match() = 0; |
2434 // Returns the interval of registers used for captures within this | 2416 // Returns the interval of registers used for captures within this |
2435 // expression. | 2417 // expression. |
2436 virtual Interval CaptureRegisters() { return Interval::Empty(); } | 2418 virtual Interval CaptureRegisters() { return Interval::Empty(); } |
2437 virtual void AppendToText(RegExpText* text, Zone* zone); | 2419 virtual void AppendToText(RegExpText* text, Zone* zone); |
2438 SmartArrayPointer<const char> ToString(Zone* zone); | 2420 SmartArrayPointer<const char> ToString(Zone* zone); |
2439 #define MAKE_ASTYPE(Name) \ | 2421 #define MAKE_ASTYPE(Name) \ |
2440 virtual RegExp##Name* As##Name(); \ | 2422 virtual RegExp##Name* As##Name(); \ |
2441 virtual bool Is##Name(); | 2423 virtual bool Is##Name(); |
2442 FOR_EACH_REG_EXP_TREE_TYPE(MAKE_ASTYPE) | 2424 FOR_EACH_REG_EXP_TREE_TYPE(MAKE_ASTYPE) |
2443 #undef MAKE_ASTYPE | 2425 #undef MAKE_ASTYPE |
2444 }; | 2426 }; |
2445 | 2427 |
2446 | 2428 |
2447 class RegExpDisjunction V8_FINAL : public RegExpTree { | 2429 class RegExpDisjunction: public RegExpTree { |
2448 public: | 2430 public: |
2449 explicit RegExpDisjunction(ZoneList<RegExpTree*>* alternatives); | 2431 explicit RegExpDisjunction(ZoneList<RegExpTree*>* alternatives); |
2450 virtual void* Accept(RegExpVisitor* visitor, void* data) V8_OVERRIDE; | 2432 virtual void* Accept(RegExpVisitor* visitor, void* data); |
2451 virtual RegExpNode* ToNode(RegExpCompiler* compiler, | 2433 virtual RegExpNode* ToNode(RegExpCompiler* compiler, |
2452 RegExpNode* on_success) V8_OVERRIDE; | 2434 RegExpNode* on_success); |
2453 virtual RegExpDisjunction* AsDisjunction() V8_OVERRIDE; | 2435 virtual RegExpDisjunction* AsDisjunction(); |
2454 virtual Interval CaptureRegisters() V8_OVERRIDE; | 2436 virtual Interval CaptureRegisters(); |
2455 virtual bool IsDisjunction() V8_OVERRIDE; | 2437 virtual bool IsDisjunction(); |
2456 virtual bool IsAnchoredAtStart() V8_OVERRIDE; | 2438 virtual bool IsAnchoredAtStart(); |
2457 virtual bool IsAnchoredAtEnd() V8_OVERRIDE; | 2439 virtual bool IsAnchoredAtEnd(); |
2458 virtual int min_match() V8_OVERRIDE { return min_match_; } | 2440 virtual int min_match() { return min_match_; } |
2459 virtual int max_match() V8_OVERRIDE { return max_match_; } | 2441 virtual int max_match() { return max_match_; } |
2460 ZoneList<RegExpTree*>* alternatives() { return alternatives_; } | 2442 ZoneList<RegExpTree*>* alternatives() { return alternatives_; } |
2461 private: | 2443 private: |
2462 ZoneList<RegExpTree*>* alternatives_; | 2444 ZoneList<RegExpTree*>* alternatives_; |
2463 int min_match_; | 2445 int min_match_; |
2464 int max_match_; | 2446 int max_match_; |
2465 }; | 2447 }; |
2466 | 2448 |
2467 | 2449 |
2468 class RegExpAlternative V8_FINAL : public RegExpTree { | 2450 class RegExpAlternative: public RegExpTree { |
2469 public: | 2451 public: |
2470 explicit RegExpAlternative(ZoneList<RegExpTree*>* nodes); | 2452 explicit RegExpAlternative(ZoneList<RegExpTree*>* nodes); |
2471 virtual void* Accept(RegExpVisitor* visitor, void* data) V8_OVERRIDE; | 2453 virtual void* Accept(RegExpVisitor* visitor, void* data); |
2472 virtual RegExpNode* ToNode(RegExpCompiler* compiler, | 2454 virtual RegExpNode* ToNode(RegExpCompiler* compiler, |
2473 RegExpNode* on_success) V8_OVERRIDE; | 2455 RegExpNode* on_success); |
2474 virtual RegExpAlternative* AsAlternative() V8_OVERRIDE; | 2456 virtual RegExpAlternative* AsAlternative(); |
2475 virtual Interval CaptureRegisters() V8_OVERRIDE; | 2457 virtual Interval CaptureRegisters(); |
2476 virtual bool IsAlternative() V8_OVERRIDE; | 2458 virtual bool IsAlternative(); |
2477 virtual bool IsAnchoredAtStart() V8_OVERRIDE; | 2459 virtual bool IsAnchoredAtStart(); |
2478 virtual bool IsAnchoredAtEnd() V8_OVERRIDE; | 2460 virtual bool IsAnchoredAtEnd(); |
2479 virtual int min_match() V8_OVERRIDE { return min_match_; } | 2461 virtual int min_match() { return min_match_; } |
2480 virtual int max_match() V8_OVERRIDE { return max_match_; } | 2462 virtual int max_match() { return max_match_; } |
2481 ZoneList<RegExpTree*>* nodes() { return nodes_; } | 2463 ZoneList<RegExpTree*>* nodes() { return nodes_; } |
2482 private: | 2464 private: |
2483 ZoneList<RegExpTree*>* nodes_; | 2465 ZoneList<RegExpTree*>* nodes_; |
2484 int min_match_; | 2466 int min_match_; |
2485 int max_match_; | 2467 int max_match_; |
2486 }; | 2468 }; |
2487 | 2469 |
2488 | 2470 |
2489 class RegExpAssertion V8_FINAL : public RegExpTree { | 2471 class RegExpAssertion: public RegExpTree { |
2490 public: | 2472 public: |
2491 enum AssertionType { | 2473 enum AssertionType { |
2492 START_OF_LINE, | 2474 START_OF_LINE, |
2493 START_OF_INPUT, | 2475 START_OF_INPUT, |
2494 END_OF_LINE, | 2476 END_OF_LINE, |
2495 END_OF_INPUT, | 2477 END_OF_INPUT, |
2496 BOUNDARY, | 2478 BOUNDARY, |
2497 NON_BOUNDARY | 2479 NON_BOUNDARY |
2498 }; | 2480 }; |
2499 explicit RegExpAssertion(AssertionType type) : assertion_type_(type) { } | 2481 explicit RegExpAssertion(AssertionType type) : assertion_type_(type) { } |
2500 virtual void* Accept(RegExpVisitor* visitor, void* data) V8_OVERRIDE; | 2482 virtual void* Accept(RegExpVisitor* visitor, void* data); |
2501 virtual RegExpNode* ToNode(RegExpCompiler* compiler, | 2483 virtual RegExpNode* ToNode(RegExpCompiler* compiler, |
2502 RegExpNode* on_success) V8_OVERRIDE; | 2484 RegExpNode* on_success); |
2503 virtual RegExpAssertion* AsAssertion() V8_OVERRIDE; | 2485 virtual RegExpAssertion* AsAssertion(); |
2504 virtual bool IsAssertion() V8_OVERRIDE; | 2486 virtual bool IsAssertion(); |
2505 virtual bool IsAnchoredAtStart() V8_OVERRIDE; | 2487 virtual bool IsAnchoredAtStart(); |
2506 virtual bool IsAnchoredAtEnd() V8_OVERRIDE; | 2488 virtual bool IsAnchoredAtEnd(); |
2507 virtual int min_match() V8_OVERRIDE { return 0; } | 2489 virtual int min_match() { return 0; } |
2508 virtual int max_match() V8_OVERRIDE { return 0; } | 2490 virtual int max_match() { return 0; } |
2509 AssertionType assertion_type() { return assertion_type_; } | 2491 AssertionType assertion_type() { return assertion_type_; } |
2510 private: | 2492 private: |
2511 AssertionType assertion_type_; | 2493 AssertionType assertion_type_; |
2512 }; | 2494 }; |
2513 | 2495 |
2514 | 2496 |
2515 class CharacterSet V8_FINAL BASE_EMBEDDED { | 2497 class CharacterSet BASE_EMBEDDED { |
2516 public: | 2498 public: |
2517 explicit CharacterSet(uc16 standard_set_type) | 2499 explicit CharacterSet(uc16 standard_set_type) |
2518 : ranges_(NULL), | 2500 : ranges_(NULL), |
2519 standard_set_type_(standard_set_type) {} | 2501 standard_set_type_(standard_set_type) {} |
2520 explicit CharacterSet(ZoneList<CharacterRange>* ranges) | 2502 explicit CharacterSet(ZoneList<CharacterRange>* ranges) |
2521 : ranges_(ranges), | 2503 : ranges_(ranges), |
2522 standard_set_type_(0) {} | 2504 standard_set_type_(0) {} |
2523 ZoneList<CharacterRange>* ranges(Zone* zone); | 2505 ZoneList<CharacterRange>* ranges(Zone* zone); |
2524 uc16 standard_set_type() { return standard_set_type_; } | 2506 uc16 standard_set_type() { return standard_set_type_; } |
2525 void set_standard_set_type(uc16 special_set_type) { | 2507 void set_standard_set_type(uc16 special_set_type) { |
2526 standard_set_type_ = special_set_type; | 2508 standard_set_type_ = special_set_type; |
2527 } | 2509 } |
2528 bool is_standard() { return standard_set_type_ != 0; } | 2510 bool is_standard() { return standard_set_type_ != 0; } |
2529 void Canonicalize(); | 2511 void Canonicalize(); |
2530 private: | 2512 private: |
2531 ZoneList<CharacterRange>* ranges_; | 2513 ZoneList<CharacterRange>* ranges_; |
2532 // If non-zero, the value represents a standard set (e.g., all whitespace | 2514 // If non-zero, the value represents a standard set (e.g., all whitespace |
2533 // characters) without having to expand the ranges. | 2515 // characters) without having to expand the ranges. |
2534 uc16 standard_set_type_; | 2516 uc16 standard_set_type_; |
2535 }; | 2517 }; |
2536 | 2518 |
2537 | 2519 |
2538 class RegExpCharacterClass V8_FINAL : public RegExpTree { | 2520 class RegExpCharacterClass: public RegExpTree { |
2539 public: | 2521 public: |
2540 RegExpCharacterClass(ZoneList<CharacterRange>* ranges, bool is_negated) | 2522 RegExpCharacterClass(ZoneList<CharacterRange>* ranges, bool is_negated) |
2541 : set_(ranges), | 2523 : set_(ranges), |
2542 is_negated_(is_negated) { } | 2524 is_negated_(is_negated) { } |
2543 explicit RegExpCharacterClass(uc16 type) | 2525 explicit RegExpCharacterClass(uc16 type) |
2544 : set_(type), | 2526 : set_(type), |
2545 is_negated_(false) { } | 2527 is_negated_(false) { } |
2546 virtual void* Accept(RegExpVisitor* visitor, void* data) V8_OVERRIDE; | 2528 virtual void* Accept(RegExpVisitor* visitor, void* data); |
2547 virtual RegExpNode* ToNode(RegExpCompiler* compiler, | 2529 virtual RegExpNode* ToNode(RegExpCompiler* compiler, |
2548 RegExpNode* on_success) V8_OVERRIDE; | 2530 RegExpNode* on_success); |
2549 virtual RegExpCharacterClass* AsCharacterClass() V8_OVERRIDE; | 2531 virtual RegExpCharacterClass* AsCharacterClass(); |
2550 virtual bool IsCharacterClass() V8_OVERRIDE; | 2532 virtual bool IsCharacterClass(); |
2551 virtual bool IsTextElement() V8_OVERRIDE { return true; } | 2533 virtual bool IsTextElement() { return true; } |
2552 virtual int min_match() V8_OVERRIDE { return 1; } | 2534 virtual int min_match() { return 1; } |
2553 virtual int max_match() V8_OVERRIDE { return 1; } | 2535 virtual int max_match() { return 1; } |
2554 virtual void AppendToText(RegExpText* text, Zone* zone) V8_OVERRIDE; | 2536 virtual void AppendToText(RegExpText* text, Zone* zone); |
2555 CharacterSet character_set() { return set_; } | 2537 CharacterSet character_set() { return set_; } |
2556 // TODO(lrn): Remove need for complex version if is_standard that | 2538 // TODO(lrn): Remove need for complex version if is_standard that |
2557 // recognizes a mangled standard set and just do { return set_.is_special(); } | 2539 // recognizes a mangled standard set and just do { return set_.is_special(); } |
2558 bool is_standard(Zone* zone); | 2540 bool is_standard(Zone* zone); |
2559 // Returns a value representing the standard character set if is_standard() | 2541 // Returns a value representing the standard character set if is_standard() |
2560 // returns true. | 2542 // returns true. |
2561 // Currently used values are: | 2543 // Currently used values are: |
2562 // s : unicode whitespace | 2544 // s : unicode whitespace |
2563 // S : unicode non-whitespace | 2545 // S : unicode non-whitespace |
2564 // w : ASCII word character (digit, letter, underscore) | 2546 // w : ASCII word character (digit, letter, underscore) |
2565 // W : non-ASCII word character | 2547 // W : non-ASCII word character |
2566 // d : ASCII digit | 2548 // d : ASCII digit |
2567 // D : non-ASCII digit | 2549 // D : non-ASCII digit |
2568 // . : non-unicode non-newline | 2550 // . : non-unicode non-newline |
2569 // * : All characters | 2551 // * : All characters |
2570 uc16 standard_type() { return set_.standard_set_type(); } | 2552 uc16 standard_type() { return set_.standard_set_type(); } |
2571 ZoneList<CharacterRange>* ranges(Zone* zone) { return set_.ranges(zone); } | 2553 ZoneList<CharacterRange>* ranges(Zone* zone) { return set_.ranges(zone); } |
2572 bool is_negated() { return is_negated_; } | 2554 bool is_negated() { return is_negated_; } |
2573 | 2555 |
2574 private: | 2556 private: |
2575 CharacterSet set_; | 2557 CharacterSet set_; |
2576 bool is_negated_; | 2558 bool is_negated_; |
2577 }; | 2559 }; |
2578 | 2560 |
2579 | 2561 |
2580 class RegExpAtom V8_FINAL : public RegExpTree { | 2562 class RegExpAtom: public RegExpTree { |
2581 public: | 2563 public: |
2582 explicit RegExpAtom(Vector<const uc16> data) : data_(data) { } | 2564 explicit RegExpAtom(Vector<const uc16> data) : data_(data) { } |
2583 virtual void* Accept(RegExpVisitor* visitor, void* data) V8_OVERRIDE; | 2565 virtual void* Accept(RegExpVisitor* visitor, void* data); |
2584 virtual RegExpNode* ToNode(RegExpCompiler* compiler, | 2566 virtual RegExpNode* ToNode(RegExpCompiler* compiler, |
2585 RegExpNode* on_success) V8_OVERRIDE; | 2567 RegExpNode* on_success); |
2586 virtual RegExpAtom* AsAtom() V8_OVERRIDE; | 2568 virtual RegExpAtom* AsAtom(); |
2587 virtual bool IsAtom() V8_OVERRIDE; | 2569 virtual bool IsAtom(); |
2588 virtual bool IsTextElement() V8_OVERRIDE { return true; } | 2570 virtual bool IsTextElement() { return true; } |
2589 virtual int min_match() V8_OVERRIDE { return data_.length(); } | 2571 virtual int min_match() { return data_.length(); } |
2590 virtual int max_match() V8_OVERRIDE { return data_.length(); } | 2572 virtual int max_match() { return data_.length(); } |
2591 virtual void AppendToText(RegExpText* text, Zone* zone) V8_OVERRIDE; | 2573 virtual void AppendToText(RegExpText* text, Zone* zone); |
2592 Vector<const uc16> data() { return data_; } | 2574 Vector<const uc16> data() { return data_; } |
2593 int length() { return data_.length(); } | 2575 int length() { return data_.length(); } |
2594 private: | 2576 private: |
2595 Vector<const uc16> data_; | 2577 Vector<const uc16> data_; |
2596 }; | 2578 }; |
2597 | 2579 |
2598 | 2580 |
2599 class RegExpText V8_FINAL : public RegExpTree { | 2581 class RegExpText: public RegExpTree { |
2600 public: | 2582 public: |
2601 explicit RegExpText(Zone* zone) : elements_(2, zone), length_(0) {} | 2583 explicit RegExpText(Zone* zone) : elements_(2, zone), length_(0) {} |
2602 virtual void* Accept(RegExpVisitor* visitor, void* data) V8_OVERRIDE; | 2584 virtual void* Accept(RegExpVisitor* visitor, void* data); |
2603 virtual RegExpNode* ToNode(RegExpCompiler* compiler, | 2585 virtual RegExpNode* ToNode(RegExpCompiler* compiler, |
2604 RegExpNode* on_success) V8_OVERRIDE; | 2586 RegExpNode* on_success); |
2605 virtual RegExpText* AsText() V8_OVERRIDE; | 2587 virtual RegExpText* AsText(); |
2606 virtual bool IsText() V8_OVERRIDE; | 2588 virtual bool IsText(); |
2607 virtual bool IsTextElement() V8_OVERRIDE { return true; } | 2589 virtual bool IsTextElement() { return true; } |
2608 virtual int min_match() V8_OVERRIDE { return length_; } | 2590 virtual int min_match() { return length_; } |
2609 virtual int max_match() V8_OVERRIDE { return length_; } | 2591 virtual int max_match() { return length_; } |
2610 virtual void AppendToText(RegExpText* text, Zone* zone) V8_OVERRIDE; | 2592 virtual void AppendToText(RegExpText* text, Zone* zone); |
2611 void AddElement(TextElement elm, Zone* zone) { | 2593 void AddElement(TextElement elm, Zone* zone) { |
2612 elements_.Add(elm, zone); | 2594 elements_.Add(elm, zone); |
2613 length_ += elm.length(); | 2595 length_ += elm.length(); |
2614 } | 2596 } |
2615 ZoneList<TextElement>* elements() { return &elements_; } | 2597 ZoneList<TextElement>* elements() { return &elements_; } |
2616 private: | 2598 private: |
2617 ZoneList<TextElement> elements_; | 2599 ZoneList<TextElement> elements_; |
2618 int length_; | 2600 int length_; |
2619 }; | 2601 }; |
2620 | 2602 |
2621 | 2603 |
2622 class RegExpQuantifier V8_FINAL : public RegExpTree { | 2604 class RegExpQuantifier: public RegExpTree { |
2623 public: | 2605 public: |
2624 enum QuantifierType { GREEDY, NON_GREEDY, POSSESSIVE }; | 2606 enum QuantifierType { GREEDY, NON_GREEDY, POSSESSIVE }; |
2625 RegExpQuantifier(int min, int max, QuantifierType type, RegExpTree* body) | 2607 RegExpQuantifier(int min, int max, QuantifierType type, RegExpTree* body) |
2626 : body_(body), | 2608 : body_(body), |
2627 min_(min), | 2609 min_(min), |
2628 max_(max), | 2610 max_(max), |
2629 min_match_(min * body->min_match()), | 2611 min_match_(min * body->min_match()), |
2630 quantifier_type_(type) { | 2612 quantifier_type_(type) { |
2631 if (max > 0 && body->max_match() > kInfinity / max) { | 2613 if (max > 0 && body->max_match() > kInfinity / max) { |
2632 max_match_ = kInfinity; | 2614 max_match_ = kInfinity; |
2633 } else { | 2615 } else { |
2634 max_match_ = max * body->max_match(); | 2616 max_match_ = max * body->max_match(); |
2635 } | 2617 } |
2636 } | 2618 } |
2637 virtual void* Accept(RegExpVisitor* visitor, void* data) V8_OVERRIDE; | 2619 virtual void* Accept(RegExpVisitor* visitor, void* data); |
2638 virtual RegExpNode* ToNode(RegExpCompiler* compiler, | 2620 virtual RegExpNode* ToNode(RegExpCompiler* compiler, |
2639 RegExpNode* on_success) V8_OVERRIDE; | 2621 RegExpNode* on_success); |
2640 static RegExpNode* ToNode(int min, | 2622 static RegExpNode* ToNode(int min, |
2641 int max, | 2623 int max, |
2642 bool is_greedy, | 2624 bool is_greedy, |
2643 RegExpTree* body, | 2625 RegExpTree* body, |
2644 RegExpCompiler* compiler, | 2626 RegExpCompiler* compiler, |
2645 RegExpNode* on_success, | 2627 RegExpNode* on_success, |
2646 bool not_at_start = false); | 2628 bool not_at_start = false); |
2647 virtual RegExpQuantifier* AsQuantifier() V8_OVERRIDE; | 2629 virtual RegExpQuantifier* AsQuantifier(); |
2648 virtual Interval CaptureRegisters() V8_OVERRIDE; | 2630 virtual Interval CaptureRegisters(); |
2649 virtual bool IsQuantifier() V8_OVERRIDE; | 2631 virtual bool IsQuantifier(); |
2650 virtual int min_match() V8_OVERRIDE { return min_match_; } | 2632 virtual int min_match() { return min_match_; } |
2651 virtual int max_match() V8_OVERRIDE { return max_match_; } | 2633 virtual int max_match() { return max_match_; } |
2652 int min() { return min_; } | 2634 int min() { return min_; } |
2653 int max() { return max_; } | 2635 int max() { return max_; } |
2654 bool is_possessive() { return quantifier_type_ == POSSESSIVE; } | 2636 bool is_possessive() { return quantifier_type_ == POSSESSIVE; } |
2655 bool is_non_greedy() { return quantifier_type_ == NON_GREEDY; } | 2637 bool is_non_greedy() { return quantifier_type_ == NON_GREEDY; } |
2656 bool is_greedy() { return quantifier_type_ == GREEDY; } | 2638 bool is_greedy() { return quantifier_type_ == GREEDY; } |
2657 RegExpTree* body() { return body_; } | 2639 RegExpTree* body() { return body_; } |
2658 | 2640 |
2659 private: | 2641 private: |
2660 RegExpTree* body_; | 2642 RegExpTree* body_; |
2661 int min_; | 2643 int min_; |
2662 int max_; | 2644 int max_; |
2663 int min_match_; | 2645 int min_match_; |
2664 int max_match_; | 2646 int max_match_; |
2665 QuantifierType quantifier_type_; | 2647 QuantifierType quantifier_type_; |
2666 }; | 2648 }; |
2667 | 2649 |
2668 | 2650 |
2669 class RegExpCapture V8_FINAL : public RegExpTree { | 2651 class RegExpCapture: public RegExpTree { |
2670 public: | 2652 public: |
2671 explicit RegExpCapture(RegExpTree* body, int index) | 2653 explicit RegExpCapture(RegExpTree* body, int index) |
2672 : body_(body), index_(index) { } | 2654 : body_(body), index_(index) { } |
2673 virtual void* Accept(RegExpVisitor* visitor, void* data) V8_OVERRIDE; | 2655 virtual void* Accept(RegExpVisitor* visitor, void* data); |
2674 virtual RegExpNode* ToNode(RegExpCompiler* compiler, | 2656 virtual RegExpNode* ToNode(RegExpCompiler* compiler, |
2675 RegExpNode* on_success) V8_OVERRIDE; | 2657 RegExpNode* on_success); |
2676 static RegExpNode* ToNode(RegExpTree* body, | 2658 static RegExpNode* ToNode(RegExpTree* body, |
2677 int index, | 2659 int index, |
2678 RegExpCompiler* compiler, | 2660 RegExpCompiler* compiler, |
2679 RegExpNode* on_success); | 2661 RegExpNode* on_success); |
2680 virtual RegExpCapture* AsCapture() V8_OVERRIDE; | 2662 virtual RegExpCapture* AsCapture(); |
2681 virtual bool IsAnchoredAtStart() V8_OVERRIDE; | 2663 virtual bool IsAnchoredAtStart(); |
2682 virtual bool IsAnchoredAtEnd() V8_OVERRIDE; | 2664 virtual bool IsAnchoredAtEnd(); |
2683 virtual Interval CaptureRegisters() V8_OVERRIDE; | 2665 virtual Interval CaptureRegisters(); |
2684 virtual bool IsCapture() V8_OVERRIDE; | 2666 virtual bool IsCapture(); |
2685 virtual int min_match() V8_OVERRIDE { return body_->min_match(); } | 2667 virtual int min_match() { return body_->min_match(); } |
2686 virtual int max_match() V8_OVERRIDE { return body_->max_match(); } | 2668 virtual int max_match() { return body_->max_match(); } |
2687 RegExpTree* body() { return body_; } | 2669 RegExpTree* body() { return body_; } |
2688 int index() { return index_; } | 2670 int index() { return index_; } |
2689 static int StartRegister(int index) { return index * 2; } | 2671 static int StartRegister(int index) { return index * 2; } |
2690 static int EndRegister(int index) { return index * 2 + 1; } | 2672 static int EndRegister(int index) { return index * 2 + 1; } |
2691 | 2673 |
2692 private: | 2674 private: |
2693 RegExpTree* body_; | 2675 RegExpTree* body_; |
2694 int index_; | 2676 int index_; |
2695 }; | 2677 }; |
2696 | 2678 |
2697 | 2679 |
2698 class RegExpLookahead V8_FINAL : public RegExpTree { | 2680 class RegExpLookahead: public RegExpTree { |
2699 public: | 2681 public: |
2700 RegExpLookahead(RegExpTree* body, | 2682 RegExpLookahead(RegExpTree* body, |
2701 bool is_positive, | 2683 bool is_positive, |
2702 int capture_count, | 2684 int capture_count, |
2703 int capture_from) | 2685 int capture_from) |
2704 : body_(body), | 2686 : body_(body), |
2705 is_positive_(is_positive), | 2687 is_positive_(is_positive), |
2706 capture_count_(capture_count), | 2688 capture_count_(capture_count), |
2707 capture_from_(capture_from) { } | 2689 capture_from_(capture_from) { } |
2708 | 2690 |
2709 virtual void* Accept(RegExpVisitor* visitor, void* data) V8_OVERRIDE; | 2691 virtual void* Accept(RegExpVisitor* visitor, void* data); |
2710 virtual RegExpNode* ToNode(RegExpCompiler* compiler, | 2692 virtual RegExpNode* ToNode(RegExpCompiler* compiler, |
2711 RegExpNode* on_success) V8_OVERRIDE; | 2693 RegExpNode* on_success); |
2712 virtual RegExpLookahead* AsLookahead() V8_OVERRIDE; | 2694 virtual RegExpLookahead* AsLookahead(); |
2713 virtual Interval CaptureRegisters() V8_OVERRIDE; | 2695 virtual Interval CaptureRegisters(); |
2714 virtual bool IsLookahead() V8_OVERRIDE; | 2696 virtual bool IsLookahead(); |
2715 virtual bool IsAnchoredAtStart() V8_OVERRIDE; | 2697 virtual bool IsAnchoredAtStart(); |
2716 virtual int min_match() V8_OVERRIDE { return 0; } | 2698 virtual int min_match() { return 0; } |
2717 virtual int max_match() V8_OVERRIDE { return 0; } | 2699 virtual int max_match() { return 0; } |
2718 RegExpTree* body() { return body_; } | 2700 RegExpTree* body() { return body_; } |
2719 bool is_positive() { return is_positive_; } | 2701 bool is_positive() { return is_positive_; } |
2720 int capture_count() { return capture_count_; } | 2702 int capture_count() { return capture_count_; } |
2721 int capture_from() { return capture_from_; } | 2703 int capture_from() { return capture_from_; } |
2722 | 2704 |
2723 private: | 2705 private: |
2724 RegExpTree* body_; | 2706 RegExpTree* body_; |
2725 bool is_positive_; | 2707 bool is_positive_; |
2726 int capture_count_; | 2708 int capture_count_; |
2727 int capture_from_; | 2709 int capture_from_; |
2728 }; | 2710 }; |
2729 | 2711 |
2730 | 2712 |
2731 class RegExpBackReference V8_FINAL : public RegExpTree { | 2713 class RegExpBackReference: public RegExpTree { |
2732 public: | 2714 public: |
2733 explicit RegExpBackReference(RegExpCapture* capture) | 2715 explicit RegExpBackReference(RegExpCapture* capture) |
2734 : capture_(capture) { } | 2716 : capture_(capture) { } |
2735 virtual void* Accept(RegExpVisitor* visitor, void* data) V8_OVERRIDE; | 2717 virtual void* Accept(RegExpVisitor* visitor, void* data); |
2736 virtual RegExpNode* ToNode(RegExpCompiler* compiler, | 2718 virtual RegExpNode* ToNode(RegExpCompiler* compiler, |
2737 RegExpNode* on_success) V8_OVERRIDE; | 2719 RegExpNode* on_success); |
2738 virtual RegExpBackReference* AsBackReference() V8_OVERRIDE; | 2720 virtual RegExpBackReference* AsBackReference(); |
2739 virtual bool IsBackReference() V8_OVERRIDE; | 2721 virtual bool IsBackReference(); |
2740 virtual int min_match() V8_OVERRIDE { return 0; } | 2722 virtual int min_match() { return 0; } |
2741 virtual int max_match() V8_OVERRIDE { return capture_->max_match(); } | 2723 virtual int max_match() { return capture_->max_match(); } |
2742 int index() { return capture_->index(); } | 2724 int index() { return capture_->index(); } |
2743 RegExpCapture* capture() { return capture_; } | 2725 RegExpCapture* capture() { return capture_; } |
2744 private: | 2726 private: |
2745 RegExpCapture* capture_; | 2727 RegExpCapture* capture_; |
2746 }; | 2728 }; |
2747 | 2729 |
2748 | 2730 |
2749 class RegExpEmpty V8_FINAL : public RegExpTree { | 2731 class RegExpEmpty: public RegExpTree { |
2750 public: | 2732 public: |
2751 RegExpEmpty() { } | 2733 RegExpEmpty() { } |
2752 virtual void* Accept(RegExpVisitor* visitor, void* data) V8_OVERRIDE; | 2734 virtual void* Accept(RegExpVisitor* visitor, void* data); |
2753 virtual RegExpNode* ToNode(RegExpCompiler* compiler, | 2735 virtual RegExpNode* ToNode(RegExpCompiler* compiler, |
2754 RegExpNode* on_success) V8_OVERRIDE; | 2736 RegExpNode* on_success); |
2755 virtual RegExpEmpty* AsEmpty() V8_OVERRIDE; | 2737 virtual RegExpEmpty* AsEmpty(); |
2756 virtual bool IsEmpty() V8_OVERRIDE; | 2738 virtual bool IsEmpty(); |
2757 virtual int min_match() V8_OVERRIDE { return 0; } | 2739 virtual int min_match() { return 0; } |
2758 virtual int max_match() V8_OVERRIDE { return 0; } | 2740 virtual int max_match() { return 0; } |
2759 static RegExpEmpty* GetInstance() { | 2741 static RegExpEmpty* GetInstance() { |
2760 static RegExpEmpty* instance = ::new RegExpEmpty(); | 2742 static RegExpEmpty* instance = ::new RegExpEmpty(); |
2761 return instance; | 2743 return instance; |
2762 } | 2744 } |
2763 }; | 2745 }; |
2764 | 2746 |
2765 | 2747 |
2766 // ---------------------------------------------------------------------------- | 2748 // ---------------------------------------------------------------------------- |
2767 // Out-of-line inline constructors (to side-step cyclic dependencies). | 2749 // Out-of-line inline constructors (to side-step cyclic dependencies). |
2768 | 2750 |
2769 inline ModuleVariable::ModuleVariable(VariableProxy* proxy) | 2751 inline ModuleVariable::ModuleVariable(VariableProxy* proxy) |
2770 : Module(proxy->interface()), | 2752 : Module(proxy->interface()), |
2771 proxy_(proxy) { | 2753 proxy_(proxy) { |
2772 } | 2754 } |
2773 | 2755 |
2774 | 2756 |
2775 // ---------------------------------------------------------------------------- | 2757 // ---------------------------------------------------------------------------- |
2776 // Basic visitor | 2758 // Basic visitor |
2777 // - leaf node visitors are abstract. | 2759 // - leaf node visitors are abstract. |
2778 | 2760 |
2779 class AstVisitor BASE_EMBEDDED { | 2761 class AstVisitor BASE_EMBEDDED { |
2780 public: | 2762 public: |
2781 AstVisitor() {} | 2763 AstVisitor() {} |
2782 virtual ~AstVisitor() {} | 2764 virtual ~AstVisitor() { } |
2783 | 2765 |
2784 // Stack overflow check and dynamic dispatch. | 2766 // Stack overflow check and dynamic dispatch. |
2785 virtual void Visit(AstNode* node) = 0; | 2767 virtual void Visit(AstNode* node) = 0; |
2786 | 2768 |
2787 // Iteration left-to-right. | 2769 // Iteration left-to-right. |
2788 virtual void VisitDeclarations(ZoneList<Declaration*>* declarations); | 2770 virtual void VisitDeclarations(ZoneList<Declaration*>* declarations); |
2789 virtual void VisitStatements(ZoneList<Statement*>* statements); | 2771 virtual void VisitStatements(ZoneList<Statement*>* statements); |
2790 virtual void VisitExpressions(ZoneList<Expression*>* expressions); | 2772 virtual void VisitExpressions(ZoneList<Expression*>* expressions); |
2791 | 2773 |
2792 // Individual AST nodes. | 2774 // Individual AST nodes. |
2793 #define DEF_VISIT(type) \ | 2775 #define DEF_VISIT(type) \ |
2794 virtual void Visit##type(type* node) = 0; | 2776 virtual void Visit##type(type* node) = 0; |
2795 AST_NODE_LIST(DEF_VISIT) | 2777 AST_NODE_LIST(DEF_VISIT) |
2796 #undef DEF_VISIT | 2778 #undef DEF_VISIT |
2797 }; | 2779 }; |
2798 | 2780 |
2799 | 2781 |
2800 #define DEFINE_AST_VISITOR_SUBCLASS_MEMBERS() \ | 2782 #define DEFINE_AST_VISITOR_SUBCLASS_MEMBERS() \ |
2801 public: \ | 2783 public: \ |
2802 virtual void Visit(AstNode* node) V8_FINAL V8_OVERRIDE { \ | 2784 virtual void Visit(AstNode* node) { \ |
2803 if (!CheckStackOverflow()) node->Accept(this); \ | 2785 if (!CheckStackOverflow()) node->Accept(this); \ |
2804 } \ | 2786 } \ |
2805 \ | 2787 \ |
2806 void SetStackOverflow() { stack_overflow_ = true; } \ | 2788 void SetStackOverflow() { stack_overflow_ = true; } \ |
2807 void ClearStackOverflow() { stack_overflow_ = false; } \ | 2789 void ClearStackOverflow() { stack_overflow_ = false; } \ |
2808 bool HasStackOverflow() const { return stack_overflow_; } \ | 2790 bool HasStackOverflow() const { return stack_overflow_; } \ |
2809 \ | 2791 \ |
2810 bool CheckStackOverflow() { \ | 2792 bool CheckStackOverflow() { \ |
2811 if (stack_overflow_) return true; \ | 2793 if (stack_overflow_) return true; \ |
2812 StackLimitCheck check(isolate_); \ | 2794 StackLimitCheck check(isolate_); \ |
(...skipping 45 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
2858 AST_NODE_LIST(DEF_VISIT) | 2840 AST_NODE_LIST(DEF_VISIT) |
2859 #undef DEF_VISIT | 2841 #undef DEF_VISIT |
2860 }; | 2842 }; |
2861 | 2843 |
2862 | 2844 |
2863 | 2845 |
2864 // ---------------------------------------------------------------------------- | 2846 // ---------------------------------------------------------------------------- |
2865 // AstNode factory | 2847 // AstNode factory |
2866 | 2848 |
2867 template<class Visitor> | 2849 template<class Visitor> |
2868 class AstNodeFactory V8_FINAL BASE_EMBEDDED { | 2850 class AstNodeFactory BASE_EMBEDDED { |
2869 public: | 2851 public: |
2870 AstNodeFactory(Isolate* isolate, Zone* zone) | 2852 AstNodeFactory(Isolate* isolate, Zone* zone) |
2871 : isolate_(isolate), | 2853 : isolate_(isolate), |
2872 zone_(zone) { } | 2854 zone_(zone) { } |
2873 | 2855 |
2874 Visitor* visitor() { return &visitor_; } | 2856 Visitor* visitor() { return &visitor_; } |
2875 | 2857 |
2876 #define VISIT_AND_RETURN(NodeType, node) \ | 2858 #define VISIT_AND_RETURN(NodeType, node) \ |
2877 visitor_.Visit##NodeType((node)); \ | 2859 visitor_.Visit##NodeType((node)); \ |
2878 return node; | 2860 return node; |
(...skipping 364 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
3243 private: | 3225 private: |
3244 Isolate* isolate_; | 3226 Isolate* isolate_; |
3245 Zone* zone_; | 3227 Zone* zone_; |
3246 Visitor visitor_; | 3228 Visitor visitor_; |
3247 }; | 3229 }; |
3248 | 3230 |
3249 | 3231 |
3250 } } // namespace v8::internal | 3232 } } // namespace v8::internal |
3251 | 3233 |
3252 #endif // V8_AST_H_ | 3234 #endif // V8_AST_H_ |
OLD | NEW |