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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 enum class ShouldCompile; |
| 26 | 27 |
| 27 namespace compiler { | 28 namespace compiler { |
| 28 class Node; | 29 class Node; |
| 29 } // namespace compiler | 30 } // namespace compiler |
| 30 | 31 |
| 31 namespace interpreter { | 32 namespace interpreter { |
| 32 | 33 |
| 33 class InterpreterAssembler; | 34 class InterpreterAssembler; |
| 34 | 35 |
| 35 class Interpreter { | 36 class Interpreter { |
| 36 public: | 37 public: |
| 37 explicit Interpreter(Isolate* isolate); | 38 explicit Interpreter(Isolate* isolate); |
| 38 virtual ~Interpreter() {} | 39 virtual ~Interpreter() {} |
| 39 | 40 |
| 40 // Initializes the interpreter dispatch table. | 41 // Initializes the interpreter dispatch table. |
| 41 void Initialize(); | 42 void Initialize(); |
| 42 | 43 |
| 43 // Returns the interrupt budget which should be used for the profiler counter. | 44 // Returns the interrupt budget which should be used for the profiler counter. |
| 44 static int InterruptBudget(); | 45 static int InterruptBudget(); |
| 45 | 46 |
| 46 // Creates a compilation job which will generate bytecode for |info|. | 47 // Creates a compilation job which will generate bytecode for |info|. |
| 47 static CompilationJob* NewCompilationJob(CompilationInfo* info); | 48 static CompilationJob* NewCompilationJob(CompilationInfo* info, |
| 49 ShouldCompile should_compile); |
| 48 | 50 |
| 49 // Return bytecode handler for |bytecode|. | 51 // Return bytecode handler for |bytecode|. |
| 50 Code* GetBytecodeHandler(Bytecode bytecode, OperandScale operand_scale); | 52 Code* GetBytecodeHandler(Bytecode bytecode, OperandScale operand_scale); |
| 51 | 53 |
| 52 // GC support. | 54 // GC support. |
| 53 void IterateDispatchTable(ObjectVisitor* v); | 55 void IterateDispatchTable(ObjectVisitor* v); |
| 54 | 56 |
| 55 // Disassembler support (only useful with ENABLE_DISASSEMBLER defined). | 57 // Disassembler support (only useful with ENABLE_DISASSEMBLER defined). |
| 56 void TraceCodegen(Handle<Code> code); | 58 void TraceCodegen(Handle<Code> code); |
| 57 const char* LookupNameOfBytecodeHandler(Code* code); | 59 const char* LookupNameOfBytecodeHandler(Code* code); |
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| 185 std::unique_ptr<uintptr_t[]> bytecode_dispatch_counters_table_; | 187 std::unique_ptr<uintptr_t[]> bytecode_dispatch_counters_table_; |
| 186 | 188 |
| 187 DISALLOW_COPY_AND_ASSIGN(Interpreter); | 189 DISALLOW_COPY_AND_ASSIGN(Interpreter); |
| 188 }; | 190 }; |
| 189 | 191 |
| 190 } // namespace interpreter | 192 } // namespace interpreter |
| 191 } // namespace internal | 193 } // namespace internal |
| 192 } // namespace v8 | 194 } // namespace v8 |
| 193 | 195 |
| 194 #endif // V8_INTERPRETER_INTERPRETER_H_ | 196 #endif // V8_INTERPRETER_INTERPRETER_H_ |
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