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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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653 | 653 |
654 // Search the break stack for a break or continue target. | 654 // Search the break stack for a break or continue target. |
655 HBasicBlock* Get(BreakableStatement* stmt, BreakType type); | 655 HBasicBlock* Get(BreakableStatement* stmt, BreakType type); |
656 | 656 |
657 private: | 657 private: |
658 BreakAndContinueInfo* info_; | 658 BreakAndContinueInfo* info_; |
659 HGraphBuilder* owner_; | 659 HGraphBuilder* owner_; |
660 BreakAndContinueScope* next_; | 660 BreakAndContinueScope* next_; |
661 }; | 661 }; |
662 | 662 |
663 HGraphBuilder(CompilationInfo* info, TypeFeedbackOracle* oracle) | 663 HGraphBuilder(CompilationInfo* info, TypeFeedbackOracle* oracle); |
664 : function_state_(NULL), | |
665 initial_function_state_(this, info, oracle), | |
666 ast_context_(NULL), | |
667 break_scope_(NULL), | |
668 graph_(NULL), | |
669 current_block_(NULL), | |
670 inlined_count_(0), | |
671 zone_(info->isolate()->zone()) { | |
672 // This is not initialized in the initializer list because the | |
673 // constructor for the initial state relies on function_state_ == NULL | |
674 // to know it's the initial state. | |
675 function_state_= &initial_function_state_; | |
676 } | |
677 | 664 |
678 HGraph* CreateGraph(); | 665 HGraph* CreateGraph(); |
679 | 666 |
680 // Simple accessors. | 667 // Simple accessors. |
681 HGraph* graph() const { return graph_; } | 668 HGraph* graph() const { return graph_; } |
682 BreakAndContinueScope* break_scope() const { return break_scope_; } | 669 BreakAndContinueScope* break_scope() const { return break_scope_; } |
683 void set_break_scope(BreakAndContinueScope* head) { break_scope_ = head; } | 670 void set_break_scope(BreakAndContinueScope* head) { break_scope_ = head; } |
684 | 671 |
685 HBasicBlock* current_block() const { return current_block_; } | 672 HBasicBlock* current_block() const { return current_block_; } |
686 void set_current_block(HBasicBlock* block) { current_block_ = block; } | 673 void set_current_block(HBasicBlock* block) { current_block_ = block; } |
687 HEnvironment* environment() const { | 674 HEnvironment* environment() const { |
688 return current_block()->last_environment(); | 675 return current_block()->last_environment(); |
689 } | 676 } |
690 | 677 |
| 678 bool inline_bailout() { return inline_bailout_; } |
| 679 |
691 // Adding instructions. | 680 // Adding instructions. |
692 HInstruction* AddInstruction(HInstruction* instr); | 681 HInstruction* AddInstruction(HInstruction* instr); |
693 void AddSimulate(int id); | 682 void AddSimulate(int id); |
694 | 683 |
695 // Bailout environment manipulation. | 684 // Bailout environment manipulation. |
696 void Push(HValue* value) { environment()->Push(value); } | 685 void Push(HValue* value) { environment()->Push(value); } |
697 HValue* Pop() { return environment()->Pop(); } | 686 HValue* Pop() { return environment()->Pop(); } |
698 | 687 |
699 void Bailout(const char* reason); | 688 void Bailout(const char* reason); |
700 | 689 |
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967 // A stack of breakable statements entered. | 956 // A stack of breakable statements entered. |
968 BreakAndContinueScope* break_scope_; | 957 BreakAndContinueScope* break_scope_; |
969 | 958 |
970 HGraph* graph_; | 959 HGraph* graph_; |
971 HBasicBlock* current_block_; | 960 HBasicBlock* current_block_; |
972 | 961 |
973 int inlined_count_; | 962 int inlined_count_; |
974 | 963 |
975 Zone* zone_; | 964 Zone* zone_; |
976 | 965 |
| 966 bool inline_bailout_; |
| 967 |
977 friend class FunctionState; // Pushes and pops the state stack. | 968 friend class FunctionState; // Pushes and pops the state stack. |
978 friend class AstContext; // Pushes and pops the AST context stack. | 969 friend class AstContext; // Pushes and pops the AST context stack. |
979 | 970 |
980 DISALLOW_COPY_AND_ASSIGN(HGraphBuilder); | 971 DISALLOW_COPY_AND_ASSIGN(HGraphBuilder); |
981 }; | 972 }; |
982 | 973 |
983 | 974 |
984 Zone* AstContext::zone() { return owner_->zone(); } | 975 Zone* AstContext::zone() { return owner_->zone(); } |
985 | 976 |
986 | 977 |
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1199 const char* filename_; | 1190 const char* filename_; |
1200 HeapStringAllocator string_allocator_; | 1191 HeapStringAllocator string_allocator_; |
1201 StringStream trace_; | 1192 StringStream trace_; |
1202 int indent_; | 1193 int indent_; |
1203 }; | 1194 }; |
1204 | 1195 |
1205 | 1196 |
1206 } } // namespace v8::internal | 1197 } } // namespace v8::internal |
1207 | 1198 |
1208 #endif // V8_HYDROGEN_H_ | 1199 #endif // V8_HYDROGEN_H_ |
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