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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/ast.h" | 8 #include "src/ast/ast.h" |
9 #include "src/interpreter/bytecode-array-builder.h" | 9 #include "src/interpreter/bytecode-array-builder.h" |
10 #include "src/interpreter/bytecode-label.h" | 10 #include "src/interpreter/bytecode-label.h" |
11 #include "src/interpreter/bytecode-register.h" | 11 #include "src/interpreter/bytecode-register.h" |
12 #include "src/interpreter/bytecodes.h" | 12 #include "src/interpreter/bytecodes.h" |
13 | 13 |
14 namespace v8 { | 14 namespace v8 { |
15 namespace internal { | 15 namespace internal { |
16 | 16 |
17 class CompilationInfo; | 17 class CompilationInfo; |
18 | 18 |
19 namespace interpreter { | 19 namespace interpreter { |
20 | 20 |
21 class LoopBuilder; | 21 class LoopBuilder; |
22 | 22 |
23 class BytecodeGenerator final : public AstVisitor<BytecodeGenerator> { | 23 class BytecodeGenerator final : public AstVisitor<BytecodeGenerator> { |
24 public: | 24 public: |
25 explicit BytecodeGenerator(CompilationInfo* info); | 25 explicit BytecodeGenerator(CompilationInfo* info); |
26 | 26 |
27 Handle<BytecodeArray> MakeBytecode(Isolate* isolate); | 27 void GenerateBytecode(); |
| 28 Handle<BytecodeArray> FinalizeBytecode(Isolate* isolate); |
28 | 29 |
29 #define DECLARE_VISIT(type) void Visit##type(type* node); | 30 #define DECLARE_VISIT(type) void Visit##type(type* node); |
30 AST_NODE_LIST(DECLARE_VISIT) | 31 AST_NODE_LIST(DECLARE_VISIT) |
31 #undef DECLARE_VISIT | 32 #undef DECLARE_VISIT |
32 | 33 |
33 // Visiting function for declarations list and statements are overridden. | 34 // Visiting function for declarations list and statements are overridden. |
34 void VisitDeclarations(ZoneList<Declaration*>* declarations); | 35 void VisitDeclarations(ZoneList<Declaration*>* declarations); |
35 void VisitStatements(ZoneList<Statement*>* statments); | 36 void VisitStatements(ZoneList<Statement*>* statments); |
36 | 37 |
37 private: | 38 private: |
38 class AccumulatorResultScope; | 39 class AccumulatorResultScope; |
39 class ContextScope; | 40 class ContextScope; |
40 class ControlScope; | 41 class ControlScope; |
41 class ControlScopeForBreakable; | 42 class ControlScopeForBreakable; |
42 class ControlScopeForIteration; | 43 class ControlScopeForIteration; |
43 class ControlScopeForTopLevel; | 44 class ControlScopeForTopLevel; |
44 class ControlScopeForTryCatch; | 45 class ControlScopeForTryCatch; |
45 class ControlScopeForTryFinally; | 46 class ControlScopeForTryFinally; |
46 class ExpressionResultScope; | 47 class ExpressionResultScope; |
47 class EffectResultScope; | 48 class EffectResultScope; |
48 class GlobalDeclarationsBuilder; | 49 class GlobalDeclarationsBuilder; |
49 class RegisterResultScope; | 50 class RegisterResultScope; |
50 class RegisterAllocationScope; | 51 class RegisterAllocationScope; |
51 class TestResultScope; | 52 class TestResultScope; |
52 | 53 |
53 enum class TestFallthrough { kThen, kElse, kNone }; | 54 enum class TestFallthrough { kThen, kElse, kNone }; |
54 | 55 |
55 void GenerateBytecode(); | |
56 void GenerateBytecodeBody(); | 56 void GenerateBytecodeBody(); |
57 void FinalizeBytecode(Isolate* isolate); | 57 void AllocateDeferredConstants(); |
58 | 58 |
59 DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); | 59 DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); |
60 | 60 |
61 // Dispatched from VisitBinaryOperation. | 61 // Dispatched from VisitBinaryOperation. |
62 void VisitArithmeticExpression(BinaryOperation* binop); | 62 void VisitArithmeticExpression(BinaryOperation* binop); |
63 void VisitCommaExpression(BinaryOperation* binop); | 63 void VisitCommaExpression(BinaryOperation* binop); |
64 void VisitLogicalOrExpression(BinaryOperation* binop); | 64 void VisitLogicalOrExpression(BinaryOperation* binop); |
65 void VisitLogicalAndExpression(BinaryOperation* binop); | 65 void VisitLogicalAndExpression(BinaryOperation* binop); |
66 | 66 |
67 // Dispatched from VisitUnaryOperation. | 67 // Dispatched from VisitUnaryOperation. |
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230 | 230 |
231 Handle<Name> home_object_symbol_; | 231 Handle<Name> home_object_symbol_; |
232 Handle<Name> prototype_string_; | 232 Handle<Name> prototype_string_; |
233 }; | 233 }; |
234 | 234 |
235 } // namespace interpreter | 235 } // namespace interpreter |
236 } // namespace internal | 236 } // namespace internal |
237 } // namespace v8 | 237 } // namespace v8 |
238 | 238 |
239 #endif // V8_INTERPRETER_BYTECODE_GENERATOR_H_ | 239 #endif // V8_INTERPRETER_BYTECODE_GENERATOR_H_ |
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