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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 void GenerateBytecode(); | 27 Handle<BytecodeArray> MakeBytecode(); |
| 28 Handle<BytecodeArray> FinalizeBytecode(); | |
| 29 | 28 |
| 30 #define DECLARE_VISIT(type) void Visit##type(type* node); | 29 #define DECLARE_VISIT(type) void Visit##type(type* node); |
| 31 AST_NODE_LIST(DECLARE_VISIT) | 30 AST_NODE_LIST(DECLARE_VISIT) |
| 32 #undef DECLARE_VISIT | 31 #undef DECLARE_VISIT |
| 33 | 32 |
| 34 // Visiting function for declarations list and statements are overridden. | 33 // Visiting function for declarations list and statements are overridden. |
| 35 void VisitDeclarations(ZoneList<Declaration*>* declarations); | 34 void VisitDeclarations(ZoneList<Declaration*>* declarations); |
| 36 void VisitStatements(ZoneList<Statement*>* statments); | 35 void VisitStatements(ZoneList<Statement*>* statments); |
| 37 | 36 |
| 38 private: | 37 private: |
| 39 class AccumulatorResultScope; | 38 class AccumulatorResultScope; |
| 40 class ContextScope; | 39 class ContextScope; |
| 41 class ControlScope; | 40 class ControlScope; |
| 42 class ControlScopeForBreakable; | 41 class ControlScopeForBreakable; |
| 43 class ControlScopeForIteration; | 42 class ControlScopeForIteration; |
| 44 class ControlScopeForTopLevel; | 43 class ControlScopeForTopLevel; |
| 45 class ControlScopeForTryCatch; | 44 class ControlScopeForTryCatch; |
| 46 class ControlScopeForTryFinally; | 45 class ControlScopeForTryFinally; |
| 47 class ExpressionResultScope; | 46 class ExpressionResultScope; |
| 48 class EffectResultScope; | 47 class EffectResultScope; |
| 49 class GlobalDeclarationsBuilder; | 48 class GlobalDeclarationsBuilder; |
| 50 class RegisterResultScope; | 49 class RegisterResultScope; |
| 51 class RegisterAllocationScope; | 50 class RegisterAllocationScope; |
| 52 class TestResultScope; | 51 class TestResultScope; |
| 53 | 52 |
| 54 enum class TestFallthrough { kThen, kElse, kNone }; | 53 enum class TestFallthrough { kThen, kElse, kNone }; |
| 55 | 54 |
| 55 void GenerateBytecode(); |
| 56 void GenerateBytecodeBody(); | 56 void GenerateBytecodeBody(); |
| 57 void AllocateDeferredConstants(); | 57 void FinalizeBytecode(); |
| 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. |
| (...skipping 155 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 223 ZoneVector<BytecodeLabel> generator_resume_points_; | 223 ZoneVector<BytecodeLabel> generator_resume_points_; |
| 224 Register generator_state_; | 224 Register generator_state_; |
| 225 int loop_depth_; | 225 int loop_depth_; |
| 226 }; | 226 }; |
| 227 | 227 |
| 228 } // namespace interpreter | 228 } // namespace interpreter |
| 229 } // namespace internal | 229 } // namespace internal |
| 230 } // namespace v8 | 230 } // namespace v8 |
| 231 | 231 |
| 232 #endif // V8_INTERPRETER_BYTECODE_GENERATOR_H_ | 232 #endif // V8_INTERPRETER_BYTECODE_GENERATOR_H_ |
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