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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 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 #ifndef V8_INTERPRETER_BYTECODE_GENERATOR_H_ | 5 #ifndef V8_INTERPRETER_BYTECODE_GENERATOR_H_ |
6 #define V8_INTERPRETER_BYTECODE_GENERATOR_H_ | 6 #define V8_INTERPRETER_BYTECODE_GENERATOR_H_ |
7 | 7 |
8 #include "src/ast.h" | 8 #include "src/ast.h" |
9 #include "src/interpreter/bytecode-array-builder.h" | 9 #include "src/interpreter/bytecode-array-builder.h" |
10 #include "src/interpreter/bytecodes.h" | 10 #include "src/interpreter/bytecodes.h" |
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21 Handle<BytecodeArray> MakeBytecode(CompilationInfo* info); | 21 Handle<BytecodeArray> MakeBytecode(CompilationInfo* info); |
22 | 22 |
23 #define DECLARE_VISIT(type) void Visit##type(type* node) override; | 23 #define DECLARE_VISIT(type) void Visit##type(type* node) override; |
24 AST_NODE_LIST(DECLARE_VISIT) | 24 AST_NODE_LIST(DECLARE_VISIT) |
25 #undef DECLARE_VISIT | 25 #undef DECLARE_VISIT |
26 | 26 |
27 // Visiting function for declarations list is overridden. | 27 // Visiting function for declarations list is overridden. |
28 void VisitDeclarations(ZoneList<Declaration*>* declarations) override; | 28 void VisitDeclarations(ZoneList<Declaration*>* declarations) override; |
29 | 29 |
30 private: | 30 private: |
| 31 class ContextScope; |
31 class ControlScope; | 32 class ControlScope; |
32 class ControlScopeForIteration; | 33 class ControlScopeForIteration; |
33 | 34 |
| 35 void MakeBytecodeBody(); |
| 36 |
34 DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); | 37 DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); |
35 | 38 |
36 void VisitArithmeticExpression(BinaryOperation* binop); | 39 void VisitArithmeticExpression(BinaryOperation* binop); |
37 void VisitPropertyLoad(Register obj, Property* expr); | 40 void VisitPropertyLoad(Register obj, Property* expr); |
38 void VisitVariableLoad(Variable* variable, FeedbackVectorSlot slot); | 41 void VisitVariableLoad(Variable* variable, FeedbackVectorSlot slot); |
39 void VisitVariableAssignment(Variable* variable, FeedbackVectorSlot slot); | 42 void VisitVariableAssignment(Variable* variable, FeedbackVectorSlot slot); |
| 43 void VisitNewLocalFunctionContext(); |
40 | 44 |
41 // Dispatched from VisitUnaryOperation. | 45 // Dispatched from VisitUnaryOperation. |
42 void VisitVoid(UnaryOperation* expr); | 46 void VisitVoid(UnaryOperation* expr); |
43 void VisitTypeOf(UnaryOperation* expr); | 47 void VisitTypeOf(UnaryOperation* expr); |
44 void VisitNot(UnaryOperation* expr); | 48 void VisitNot(UnaryOperation* expr); |
45 | 49 |
46 inline BytecodeArrayBuilder* builder() { return &builder_; } | 50 inline BytecodeArrayBuilder* builder() { return &builder_; } |
| 51 |
47 inline Scope* scope() const { return scope_; } | 52 inline Scope* scope() const { return scope_; } |
48 inline void set_scope(Scope* scope) { scope_ = scope; } | 53 inline void set_scope(Scope* scope) { scope_ = scope; } |
| 54 inline CompilationInfo* info() const { return info_; } |
| 55 inline void set_info(CompilationInfo* info) { info_ = info; } |
| 56 |
49 inline ControlScope* control_scope() const { return control_scope_; } | 57 inline ControlScope* control_scope() const { return control_scope_; } |
50 inline void set_control_scope(ControlScope* scope) { control_scope_ = scope; } | 58 inline void set_control_scope(ControlScope* scope) { control_scope_ = scope; } |
51 inline CompilationInfo* info() const { return info_; } | 59 inline Register current_context() const { return current_context_; } |
52 inline void set_info(CompilationInfo* info) { info_ = info; } | 60 inline void set_current_context(Register context) { |
| 61 current_context_ = context; |
| 62 } |
| 63 |
53 ZoneVector<Handle<Object>>* globals() { return &globals_; } | 64 ZoneVector<Handle<Object>>* globals() { return &globals_; } |
54 | 65 inline LanguageMode language_mode() const; |
55 LanguageMode language_mode() const; | |
56 Strength language_mode_strength() const; | 66 Strength language_mode_strength() const; |
57 int feedback_index(FeedbackVectorSlot slot) const; | 67 int feedback_index(FeedbackVectorSlot slot) const; |
58 Register current_context() const; | |
59 | 68 |
60 BytecodeArrayBuilder builder_; | 69 BytecodeArrayBuilder builder_; |
61 CompilationInfo* info_; | 70 CompilationInfo* info_; |
62 Scope* scope_; | 71 Scope* scope_; |
63 ZoneVector<Handle<Object>> globals_; | 72 ZoneVector<Handle<Object>> globals_; |
64 ControlScope* control_scope_; | 73 ControlScope* control_scope_; |
65 | 74 |
66 // TODO(rmcilroy): Encapsulate this in an environment object. | |
67 Register current_context_; | 75 Register current_context_; |
68 }; | 76 }; |
69 | 77 |
70 } // namespace interpreter | 78 } // namespace interpreter |
71 } // namespace internal | 79 } // namespace internal |
72 } // namespace v8 | 80 } // namespace v8 |
73 | 81 |
74 #endif // V8_INTERPRETER_BYTECODE_GENERATOR_H_ | 82 #endif // V8_INTERPRETER_BYTECODE_GENERATOR_H_ |
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