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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "src/ast/ast-numbering.h" | 5 #include "src/ast/ast-numbering.h" |
| 6 | 6 |
| 7 #include "src/ast/ast.h" | 7 #include "src/ast/ast.h" |
| 8 #include "src/ast/scopes.h" | 8 #include "src/ast/scopes.h" |
| 9 | 9 |
| 10 namespace v8 { | 10 namespace v8 { |
| (...skipping 21 matching lines...) Expand all Loading... |
| 32 AST_NODE_LIST(DEFINE_VISIT) | 32 AST_NODE_LIST(DEFINE_VISIT) |
| 33 #undef DEFINE_VISIT | 33 #undef DEFINE_VISIT |
| 34 | 34 |
| 35 void VisitVariableProxyReference(VariableProxy* node); | 35 void VisitVariableProxyReference(VariableProxy* node); |
| 36 void VisitPropertyReference(Property* node); | 36 void VisitPropertyReference(Property* node); |
| 37 void VisitReference(Expression* expr); | 37 void VisitReference(Expression* expr); |
| 38 | 38 |
| 39 void VisitStatements(ZoneList<Statement*>* statements); | 39 void VisitStatements(ZoneList<Statement*>* statements); |
| 40 void VisitDeclarations(ZoneList<Declaration*>* declarations); | 40 void VisitDeclarations(ZoneList<Declaration*>* declarations); |
| 41 void VisitArguments(ZoneList<Expression*>* arguments); | 41 void VisitArguments(ZoneList<Expression*>* arguments); |
| 42 void VisitObjectLiteralProperty(ObjectLiteralProperty* property); | 42 void VisitLiteralProperty(LiteralProperty* property); |
| 43 | 43 |
| 44 int ReserveIdRange(int n) { | 44 int ReserveIdRange(int n) { |
| 45 int tmp = next_id_; | 45 int tmp = next_id_; |
| 46 next_id_ += n; | 46 next_id_ += n; |
| 47 return tmp; | 47 return tmp; |
| 48 } | 48 } |
| 49 | 49 |
| 50 void IncrementNodeCount() { properties_.add_node_count(1); } | 50 void IncrementNodeCount() { properties_.add_node_count(1); } |
| 51 void DisableSelfOptimization() { | 51 void DisableSelfOptimization() { |
| 52 properties_.flags() |= AstProperties::kDontSelfOptimize; | 52 properties_.flags() |= AstProperties::kDontSelfOptimize; |
| (...skipping 404 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 457 void AstNumberingVisitor::VisitClassLiteral(ClassLiteral* node) { | 457 void AstNumberingVisitor::VisitClassLiteral(ClassLiteral* node) { |
| 458 IncrementNodeCount(); | 458 IncrementNodeCount(); |
| 459 DisableCrankshaft(kClassLiteral); | 459 DisableCrankshaft(kClassLiteral); |
| 460 node->set_base_id(ReserveIdRange(node->num_ids())); | 460 node->set_base_id(ReserveIdRange(node->num_ids())); |
| 461 if (node->extends()) Visit(node->extends()); | 461 if (node->extends()) Visit(node->extends()); |
| 462 if (node->constructor()) Visit(node->constructor()); | 462 if (node->constructor()) Visit(node->constructor()); |
| 463 if (node->class_variable_proxy()) { | 463 if (node->class_variable_proxy()) { |
| 464 VisitVariableProxy(node->class_variable_proxy()); | 464 VisitVariableProxy(node->class_variable_proxy()); |
| 465 } | 465 } |
| 466 for (int i = 0; i < node->properties()->length(); i++) { | 466 for (int i = 0; i < node->properties()->length(); i++) { |
| 467 VisitObjectLiteralProperty(node->properties()->at(i)); | 467 VisitLiteralProperty(node->properties()->at(i)); |
| 468 } | 468 } |
| 469 ReserveFeedbackSlots(node); | 469 ReserveFeedbackSlots(node); |
| 470 } | 470 } |
| 471 | 471 |
| 472 | 472 |
| 473 void AstNumberingVisitor::VisitObjectLiteral(ObjectLiteral* node) { | 473 void AstNumberingVisitor::VisitObjectLiteral(ObjectLiteral* node) { |
| 474 IncrementNodeCount(); | 474 IncrementNodeCount(); |
| 475 node->set_base_id(ReserveIdRange(node->num_ids())); | 475 node->set_base_id(ReserveIdRange(node->num_ids())); |
| 476 for (int i = 0; i < node->properties()->length(); i++) { | 476 for (int i = 0; i < node->properties()->length(); i++) { |
| 477 VisitObjectLiteralProperty(node->properties()->at(i)); | 477 VisitLiteralProperty(node->properties()->at(i)); |
| 478 } | 478 } |
| 479 node->BuildConstantProperties(isolate_); | 479 node->BuildConstantProperties(isolate_); |
| 480 // Mark all computed expressions that are bound to a key that | 480 // Mark all computed expressions that are bound to a key that |
| 481 // is shadowed by a later occurrence of the same key. For the | 481 // is shadowed by a later occurrence of the same key. For the |
| 482 // marked expressions, no store code will be is emitted. | 482 // marked expressions, no store code will be is emitted. |
| 483 node->CalculateEmitStore(zone_); | 483 node->CalculateEmitStore(zone_); |
| 484 ReserveFeedbackSlots(node); | 484 ReserveFeedbackSlots(node); |
| 485 } | 485 } |
| 486 | 486 |
| 487 | 487 void AstNumberingVisitor::VisitLiteralProperty(LiteralProperty* node) { |
| 488 void AstNumberingVisitor::VisitObjectLiteralProperty( | |
| 489 ObjectLiteralProperty* node) { | |
| 490 if (node->is_computed_name()) DisableCrankshaft(kComputedPropertyName); | 488 if (node->is_computed_name()) DisableCrankshaft(kComputedPropertyName); |
| 491 Visit(node->key()); | 489 Visit(node->key()); |
| 492 Visit(node->value()); | 490 Visit(node->value()); |
| 493 } | 491 } |
| 494 | 492 |
| 495 | |
| 496 void AstNumberingVisitor::VisitArrayLiteral(ArrayLiteral* node) { | 493 void AstNumberingVisitor::VisitArrayLiteral(ArrayLiteral* node) { |
| 497 IncrementNodeCount(); | 494 IncrementNodeCount(); |
| 498 node->set_base_id(ReserveIdRange(node->num_ids())); | 495 node->set_base_id(ReserveIdRange(node->num_ids())); |
| 499 for (int i = 0; i < node->values()->length(); i++) { | 496 for (int i = 0; i < node->values()->length(); i++) { |
| 500 Visit(node->values()->at(i)); | 497 Visit(node->values()->at(i)); |
| 501 } | 498 } |
| 502 node->BuildConstantElements(isolate_); | 499 node->BuildConstantElements(isolate_); |
| 503 ReserveFeedbackSlots(node); | 500 ReserveFeedbackSlots(node); |
| 504 } | 501 } |
| 505 | 502 |
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| 590 } | 587 } |
| 591 | 588 |
| 592 | 589 |
| 593 bool AstNumbering::Renumber(Isolate* isolate, Zone* zone, | 590 bool AstNumbering::Renumber(Isolate* isolate, Zone* zone, |
| 594 FunctionLiteral* function) { | 591 FunctionLiteral* function) { |
| 595 AstNumberingVisitor visitor(isolate, zone); | 592 AstNumberingVisitor visitor(isolate, zone); |
| 596 return visitor.Renumber(function); | 593 return visitor.Renumber(function); |
| 597 } | 594 } |
| 598 } // namespace internal | 595 } // namespace internal |
| 599 } // namespace v8 | 596 } // namespace v8 |
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