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Issue 11415261: Revert 13117: "Enable stub generation using Hydrogen/Lithium (again)" (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 8 years ago
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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 // 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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41 41
42 // Forward declarations. 42 // Forward declarations.
43 class JumpPatchSite; 43 class JumpPatchSite;
44 44
45 // AST node visitor which can tell whether a given statement will be breakable 45 // AST node visitor which can tell whether a given statement will be breakable
46 // when the code is compiled by the full compiler in the debugger. This means 46 // when the code is compiled by the full compiler in the debugger. This means
47 // that there will be an IC (load/store/call) in the code generated for the 47 // that there will be an IC (load/store/call) in the code generated for the
48 // debugger to piggybag on. 48 // debugger to piggybag on.
49 class BreakableStatementChecker: public AstVisitor { 49 class BreakableStatementChecker: public AstVisitor {
50 public: 50 public:
51 BreakableStatementChecker() : is_breakable_(false) { 51 BreakableStatementChecker() : is_breakable_(false) {}
52 InitializeAstVisitor();
53 }
54 52
55 void Check(Statement* stmt); 53 void Check(Statement* stmt);
56 void Check(Expression* stmt); 54 void Check(Expression* stmt);
57 55
58 bool is_breakable() { return is_breakable_; } 56 bool is_breakable() { return is_breakable_; }
59 57
60 private: 58 private:
61 // AST node visit functions. 59 // AST node visit functions.
62 #define DECLARE_VISIT(type) virtual void Visit##type(type* node); 60 #define DECLARE_VISIT(type) virtual void Visit##type(type* node);
63 AST_NODE_LIST(DECLARE_VISIT) 61 AST_NODE_LIST(DECLARE_VISIT)
64 #undef DECLARE_VISIT 62 #undef DECLARE_VISIT
65 63
66 bool is_breakable_; 64 bool is_breakable_;
67 65
68 DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
69 DISALLOW_COPY_AND_ASSIGN(BreakableStatementChecker); 66 DISALLOW_COPY_AND_ASSIGN(BreakableStatementChecker);
70 }; 67 };
71 68
72 69
73 // ----------------------------------------------------------------------------- 70 // -----------------------------------------------------------------------------
74 // Full code generator. 71 // Full code generator.
75 72
76 class FullCodeGenerator: public AstVisitor { 73 class FullCodeGenerator: public AstVisitor {
77 public: 74 public:
78 enum State { 75 enum State {
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820 ZoneList<BailoutEntry> stack_checks_; 817 ZoneList<BailoutEntry> stack_checks_;
821 ZoneList<TypeFeedbackCellEntry> type_feedback_cells_; 818 ZoneList<TypeFeedbackCellEntry> type_feedback_cells_;
822 int ic_total_count_; 819 int ic_total_count_;
823 Handle<FixedArray> handler_table_; 820 Handle<FixedArray> handler_table_;
824 Handle<JSGlobalPropertyCell> profiling_counter_; 821 Handle<JSGlobalPropertyCell> profiling_counter_;
825 bool generate_debug_code_; 822 bool generate_debug_code_;
826 Zone* zone_; 823 Zone* zone_;
827 824
828 friend class NestedStatement; 825 friend class NestedStatement;
829 826
830 DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
831 DISALLOW_COPY_AND_ASSIGN(FullCodeGenerator); 827 DISALLOW_COPY_AND_ASSIGN(FullCodeGenerator);
832 }; 828 };
833 829
834 830
835 // A map from property names to getter/setter pairs allocated in the zone. 831 // A map from property names to getter/setter pairs allocated in the zone.
836 class AccessorTable: public TemplateHashMap<Literal, 832 class AccessorTable: public TemplateHashMap<Literal,
837 ObjectLiteral::Accessors, 833 ObjectLiteral::Accessors,
838 ZoneAllocationPolicy> { 834 ZoneAllocationPolicy> {
839 public: 835 public:
840 explicit AccessorTable(Zone* zone) : 836 explicit AccessorTable(Zone* zone) :
841 TemplateHashMap<Literal, ObjectLiteral::Accessors, 837 TemplateHashMap<Literal, ObjectLiteral::Accessors,
842 ZoneAllocationPolicy>(Literal::Match, 838 ZoneAllocationPolicy>(Literal::Match,
843 ZoneAllocationPolicy(zone)), 839 ZoneAllocationPolicy(zone)),
844 zone_(zone) { } 840 zone_(zone) { }
845 841
846 Iterator lookup(Literal* literal) { 842 Iterator lookup(Literal* literal) {
847 Iterator it = find(literal, true, ZoneAllocationPolicy(zone_)); 843 Iterator it = find(literal, true, ZoneAllocationPolicy(zone_));
848 if (it->second == NULL) it->second = new(zone_) ObjectLiteral::Accessors(); 844 if (it->second == NULL) it->second = new(zone_) ObjectLiteral::Accessors();
849 return it; 845 return it;
850 } 846 }
851 847
852 private: 848 private:
853 Zone* zone_; 849 Zone* zone_;
854 }; 850 };
855 851
856 852
857 } } // namespace v8::internal 853 } } // namespace v8::internal
858 854
859 #endif // V8_FULL_CODEGEN_H_ 855 #endif // V8_FULL_CODEGEN_H_
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