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1 // Copyright 2009 the V8 project authors. All rights reserved. | 1 // Copyright 2009 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 |
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451 CodeGenSelector::CodeGenTag CodeGenSelector::Select(FunctionLiteral* fun) { | 451 CodeGenSelector::CodeGenTag CodeGenSelector::Select(FunctionLiteral* fun) { |
452 Scope* scope = fun->scope(); | 452 Scope* scope = fun->scope(); |
453 | 453 |
454 if (!scope->is_global_scope()) { | 454 if (!scope->is_global_scope()) { |
455 if (FLAG_trace_bailout) PrintF("Non-global scope\n"); | 455 if (FLAG_trace_bailout) PrintF("Non-global scope\n"); |
456 return NORMAL; | 456 return NORMAL; |
457 } | 457 } |
458 ASSERT(scope->num_heap_slots() == 0); | 458 ASSERT(scope->num_heap_slots() == 0); |
459 ASSERT(scope->arguments() == NULL); | 459 ASSERT(scope->arguments() == NULL); |
460 | 460 |
461 if (fun->materialized_literal_count() > 0) { | |
462 if (FLAG_trace_bailout) PrintF("Unsupported literal\n"); | |
463 return NORMAL; | |
464 } | |
465 | |
466 has_supported_syntax_ = true; | 461 has_supported_syntax_ = true; |
467 VisitDeclarations(fun->scope()->declarations()); | 462 VisitDeclarations(fun->scope()->declarations()); |
468 if (!has_supported_syntax_) return NORMAL; | 463 if (!has_supported_syntax_) return NORMAL; |
469 | 464 |
470 VisitStatements(fun->body()); | 465 VisitStatements(fun->body()); |
471 return has_supported_syntax_ ? FAST : NORMAL; | 466 return has_supported_syntax_ ? FAST : NORMAL; |
472 } | 467 } |
473 | 468 |
474 | 469 |
475 #define BAILOUT(reason) \ | 470 #define BAILOUT(reason) \ |
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642 BAILOUT("RegExpLiteral"); | 637 BAILOUT("RegExpLiteral"); |
643 } | 638 } |
644 | 639 |
645 | 640 |
646 void CodeGenSelector::VisitObjectLiteral(ObjectLiteral* expr) { | 641 void CodeGenSelector::VisitObjectLiteral(ObjectLiteral* expr) { |
647 BAILOUT("ObjectLiteral"); | 642 BAILOUT("ObjectLiteral"); |
648 } | 643 } |
649 | 644 |
650 | 645 |
651 void CodeGenSelector::VisitArrayLiteral(ArrayLiteral* expr) { | 646 void CodeGenSelector::VisitArrayLiteral(ArrayLiteral* expr) { |
652 BAILOUT("ArrayLiteral"); | 647 ZoneList<Expression*>* subexprs = expr->values(); |
| 648 for (int i = 0, len = subexprs->length(); i < len; i++) { |
| 649 Expression* subexpr = subexprs->at(i); |
| 650 if (subexpr->AsLiteral() != NULL) continue; |
| 651 if (CompileTimeValue::IsCompileTimeValue(subexpr)) continue; |
| 652 Visit(subexpr); |
| 653 CHECK_BAILOUT; |
| 654 } |
653 } | 655 } |
654 | 656 |
655 | 657 |
656 void CodeGenSelector::VisitCatchExtensionObject(CatchExtensionObject* expr) { | 658 void CodeGenSelector::VisitCatchExtensionObject(CatchExtensionObject* expr) { |
657 BAILOUT("CatchExtensionObject"); | 659 BAILOUT("CatchExtensionObject"); |
658 } | 660 } |
659 | 661 |
660 | 662 |
661 void CodeGenSelector::VisitAssignment(Assignment* expr) { | 663 void CodeGenSelector::VisitAssignment(Assignment* expr) { |
662 // We support plain non-compound assignments to parameters and | 664 // We support plain non-compound assignments to parameters and |
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759 | 761 |
760 void CodeGenSelector::VisitThisFunction(ThisFunction* expr) { | 762 void CodeGenSelector::VisitThisFunction(ThisFunction* expr) { |
761 BAILOUT("ThisFunction"); | 763 BAILOUT("ThisFunction"); |
762 } | 764 } |
763 | 765 |
764 #undef BAILOUT | 766 #undef BAILOUT |
765 #undef CHECK_BAILOUT | 767 #undef CHECK_BAILOUT |
766 | 768 |
767 | 769 |
768 } } // namespace v8::internal | 770 } } // namespace v8::internal |
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