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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_INTERPRETER_H_ | 5 #ifndef V8_INTERPRETER_INTERPRETER_H_ |
6 #define V8_INTERPRETER_INTERPRETER_H_ | 6 #define V8_INTERPRETER_INTERPRETER_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 // Clients of this interface shouldn't depend on lots of interpreter internals. | 10 // Clients of this interface shouldn't depend on lots of interpreter internals. |
11 // Do not include anything from src/interpreter other than | 11 // Do not include anything from src/interpreter other than |
12 // src/interpreter/bytecodes.h here! | 12 // src/interpreter/bytecodes.h here! |
13 #include "src/base/macros.h" | 13 #include "src/base/macros.h" |
14 #include "src/builtins/builtins.h" | 14 #include "src/builtins/builtins.h" |
15 #include "src/interpreter/bytecodes.h" | 15 #include "src/interpreter/bytecodes.h" |
16 #include "src/parsing/token.h" | 16 #include "src/parsing/token.h" |
17 #include "src/runtime/runtime.h" | 17 #include "src/runtime/runtime.h" |
18 | 18 |
19 namespace v8 { | 19 namespace v8 { |
20 namespace internal { | 20 namespace internal { |
21 | 21 |
22 class Isolate; | 22 class Isolate; |
23 class Callable; | 23 class Callable; |
24 class CompilationInfo; | 24 class CompilationInfo; |
25 class CompilationJob; | 25 class CompilationJob; |
26 class SetupIsolateDelegate; | 26 class SetupIsolateDelegate; |
| 27 class RootVisitor; |
27 | 28 |
28 namespace interpreter { | 29 namespace interpreter { |
29 | 30 |
30 class InterpreterAssembler; | 31 class InterpreterAssembler; |
31 | 32 |
32 class Interpreter { | 33 class Interpreter { |
33 public: | 34 public: |
34 explicit Interpreter(Isolate* isolate); | 35 explicit Interpreter(Isolate* isolate); |
35 virtual ~Interpreter() {} | 36 virtual ~Interpreter() {} |
36 | 37 |
37 // Returns the interrupt budget which should be used for the profiler counter. | 38 // Returns the interrupt budget which should be used for the profiler counter. |
38 static int InterruptBudget(); | 39 static int InterruptBudget(); |
39 | 40 |
40 // Creates a compilation job which will generate bytecode for |info|. | 41 // Creates a compilation job which will generate bytecode for |info|. |
41 static CompilationJob* NewCompilationJob(CompilationInfo* info); | 42 static CompilationJob* NewCompilationJob(CompilationInfo* info); |
42 | 43 |
43 // Return bytecode handler for |bytecode|. | 44 // Return bytecode handler for |bytecode|. |
44 Code* GetBytecodeHandler(Bytecode bytecode, OperandScale operand_scale); | 45 Code* GetBytecodeHandler(Bytecode bytecode, OperandScale operand_scale); |
45 | 46 |
46 // GC support. | 47 // GC support. |
47 void IterateDispatchTable(ObjectVisitor* v); | 48 void IterateDispatchTable(RootVisitor* v); |
48 | 49 |
49 // Disassembler support (only useful with ENABLE_DISASSEMBLER defined). | 50 // Disassembler support (only useful with ENABLE_DISASSEMBLER defined). |
50 const char* LookupNameOfBytecodeHandler(Code* code); | 51 const char* LookupNameOfBytecodeHandler(Code* code); |
51 | 52 |
52 V8_EXPORT_PRIVATE Local<v8::Object> GetDispatchCountersObject(); | 53 V8_EXPORT_PRIVATE Local<v8::Object> GetDispatchCountersObject(); |
53 | 54 |
54 Address dispatch_table_address() { | 55 Address dispatch_table_address() { |
55 return reinterpret_cast<Address>(&dispatch_table_[0]); | 56 return reinterpret_cast<Address>(&dispatch_table_[0]); |
56 } | 57 } |
57 | 58 |
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83 std::unique_ptr<uintptr_t[]> bytecode_dispatch_counters_table_; | 84 std::unique_ptr<uintptr_t[]> bytecode_dispatch_counters_table_; |
84 | 85 |
85 DISALLOW_COPY_AND_ASSIGN(Interpreter); | 86 DISALLOW_COPY_AND_ASSIGN(Interpreter); |
86 }; | 87 }; |
87 | 88 |
88 } // namespace interpreter | 89 } // namespace interpreter |
89 } // namespace internal | 90 } // namespace internal |
90 } // namespace v8 | 91 } // namespace v8 |
91 | 92 |
92 #endif // V8_INTERPRETER_INTERPRETER_H_ | 93 #endif // V8_INTERPRETER_INTERPRETER_H_ |
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