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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 { |
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564 | 564 |
565 | 565 |
566 bool AstNumberingVisitor::Renumber(FunctionLiteral* node) { | 566 bool AstNumberingVisitor::Renumber(FunctionLiteral* node) { |
567 Scope* scope = node->scope(); | 567 Scope* scope = node->scope(); |
568 | 568 |
569 if (scope->HasIllegalRedeclaration()) { | 569 if (scope->HasIllegalRedeclaration()) { |
570 Visit(scope->GetIllegalRedeclaration()); | 570 Visit(scope->GetIllegalRedeclaration()); |
571 DisableOptimization(kFunctionWithIllegalRedeclaration); | 571 DisableOptimization(kFunctionWithIllegalRedeclaration); |
572 return Finish(node); | 572 return Finish(node); |
573 } | 573 } |
574 if (scope->new_target_var()) DisableCrankshaft(kSuperReference); | |
575 if (scope->calls_eval()) DisableOptimization(kFunctionCallsEval); | 574 if (scope->calls_eval()) DisableOptimization(kFunctionCallsEval); |
576 if (scope->arguments() != NULL && !scope->arguments()->IsStackAllocated()) { | 575 if (scope->arguments() != NULL && !scope->arguments()->IsStackAllocated()) { |
577 DisableCrankshaft(kContextAllocatedArguments); | 576 DisableCrankshaft(kContextAllocatedArguments); |
578 } | 577 } |
579 | 578 |
580 VisitDeclarations(scope->declarations()); | 579 VisitDeclarations(scope->declarations()); |
581 VisitStatements(node->body()); | 580 VisitStatements(node->body()); |
582 | 581 |
583 return Finish(node); | 582 return Finish(node); |
584 } | 583 } |
585 | 584 |
586 | 585 |
587 bool AstNumbering::Renumber(Isolate* isolate, Zone* zone, | 586 bool AstNumbering::Renumber(Isolate* isolate, Zone* zone, |
588 FunctionLiteral* function) { | 587 FunctionLiteral* function) { |
589 AstNumberingVisitor visitor(isolate, zone); | 588 AstNumberingVisitor visitor(isolate, zone); |
590 return visitor.Renumber(function); | 589 return visitor.Renumber(function); |
591 } | 590 } |
592 } // namespace internal | 591 } // namespace internal |
593 } // namespace v8 | 592 } // namespace v8 |
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