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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_COMPILER_FAST_ACCESSOR_ASSEMBLER_H_ | 5 #ifndef V8_COMPILER_FAST_ACCESSOR_ASSEMBLER_H_ |
| 6 #define V8_COMPILER_FAST_ACCESSOR_ASSEMBLER_H_ | 6 #define V8_COMPILER_FAST_ACCESSOR_ASSEMBLER_H_ |
| 7 | 7 |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 #include <vector> | 9 #include <vector> |
| 10 | 10 |
| 11 // Clients of this interface shouldn't depend on lots of compiler internals. | 11 // Clients of this interface shouldn't depend on lots of compiler internals. |
| 12 // Do not include anything from src/compiler here! | 12 // Do not include anything from src/compiler here! |
| 13 #include "include/v8-experimental.h" | 13 #include "include/v8-experimental.h" |
| 14 #include "src/base/macros.h" | 14 #include "src/base/macros.h" |
| 15 #include "src/base/smart-pointers.h" | 15 #include "src/base/smart-pointers.h" |
| 16 #include "src/handles.h" | 16 #include "src/handles.h" |
| 17 | 17 |
| 18 // For CodeStubAssembler::Label. (We cannot forward-declare inner classes.) |
| 19 #include "src/compiler/code-stub-assembler.h" |
| 18 | 20 |
| 19 namespace v8 { | 21 namespace v8 { |
| 20 namespace internal { | 22 namespace internal { |
| 21 | 23 |
| 22 class Code; | 24 class Code; |
| 23 class Isolate; | 25 class Isolate; |
| 24 class Zone; | 26 class Zone; |
| 25 | 27 |
| 26 namespace compiler { | 28 namespace compiler { |
| 27 | 29 |
| 28 class Node; | 30 class Node; |
| 29 class RawMachineAssembler; | 31 class RawMachineAssembler; |
| 30 class RawMachineLabel; | 32 class RawMachineLabel; |
| 31 | 33 |
| 32 | |
| 33 // This interface "exports" an aggregated subset of RawMachineAssembler, for | 34 // This interface "exports" an aggregated subset of RawMachineAssembler, for |
| 34 // use by the API to implement Fast Dom Accessors. | 35 // use by the API to implement Fast Dom Accessors. |
| 35 // | 36 // |
| 36 // This interface is made for this single purpose only and does not attempt | 37 // This interface is made for this single purpose only and does not attempt |
| 37 // to implement a general purpose solution. If you need one, please look at | 38 // to implement a general purpose solution. If you need one, please look at |
| 38 // RawMachineAssembler instead. | 39 // RawMachineAssembler instead. |
| 39 // | 40 // |
| 40 // The life cycle of a FastAccessorAssembler has two phases: | 41 // The life cycle of a FastAccessorAssembler has two phases: |
| 41 // - After creating the instance, you can call an arbitrary sequence of | 42 // - After creating the instance, you can call an arbitrary sequence of |
| 42 // builder functions to build the desired function. | 43 // builder functions to build the desired function. |
| (...skipping 26 matching lines...) Expand all Loading... |
| 69 void CheckNotZeroOrJump(ValueId value_id, LabelId label_id); | 70 void CheckNotZeroOrJump(ValueId value_id, LabelId label_id); |
| 70 | 71 |
| 71 // C++ callback. | 72 // C++ callback. |
| 72 ValueId Call(FunctionCallback callback, ValueId arg); | 73 ValueId Call(FunctionCallback callback, ValueId arg); |
| 73 | 74 |
| 74 // Assemble the code. | 75 // Assemble the code. |
| 75 MaybeHandle<Code> Build(); | 76 MaybeHandle<Code> Build(); |
| 76 | 77 |
| 77 private: | 78 private: |
| 78 ValueId FromRaw(Node* node); | 79 ValueId FromRaw(Node* node); |
| 79 LabelId FromRaw(RawMachineLabel* label); | 80 LabelId FromRaw(CodeStubAssembler::Label* label); |
| 80 Node* FromId(ValueId value) const; | 81 Node* FromId(ValueId value) const; |
| 81 RawMachineLabel* FromId(LabelId value) const; | 82 CodeStubAssembler::Label* FromId(LabelId value) const; |
| 82 | 83 |
| 84 void Clear(); |
| 83 Zone* zone() { return &zone_; } | 85 Zone* zone() { return &zone_; } |
| 86 Isolate* isolate() const { return isolate_; } |
| 84 | 87 |
| 85 Zone zone_; | 88 Zone zone_; |
| 86 base::SmartPointer<RawMachineAssembler> assembler_; | 89 Isolate* isolate_; |
| 90 base::SmartPointer<CodeStubAssembler> assembler_; |
| 87 | 91 |
| 88 // To prevent exposing the RMA internals to the outside world, we'll map | 92 // To prevent exposing the RMA internals to the outside world, we'll map |
| 89 // Node + Label pointers integers wrapped in ValueId and LabelId instances. | 93 // Node + Label pointers integers wrapped in ValueId and LabelId instances. |
| 90 // These vectors maintain this mapping. | 94 // These vectors maintain this mapping. |
| 91 std::vector<Node*> nodes_; | 95 std::vector<Node*> nodes_; |
| 92 std::vector<RawMachineLabel*> labels_; | 96 std::vector<CodeStubAssembler::Label*> labels_; |
| 93 | 97 |
| 94 // Remember the current state for easy error checking. (We prefer to be | 98 // Remember the current state for easy error checking. (We prefer to be |
| 95 // strict as this class will be exposed at the API.) | 99 // strict as this class will be exposed at the API.) |
| 96 enum { kBuilding, kBuilt, kError } state_; | 100 enum { kBuilding, kBuilt, kError } state_; |
| 97 | 101 |
| 98 DISALLOW_COPY_AND_ASSIGN(FastAccessorAssembler); | 102 DISALLOW_COPY_AND_ASSIGN(FastAccessorAssembler); |
| 99 }; | 103 }; |
| 100 | 104 |
| 101 } // namespace compiler | 105 } // namespace compiler |
| 102 } // namespace internal | 106 } // namespace internal |
| 103 } // namespace v8 | 107 } // namespace v8 |
| 104 | 108 |
| 105 #endif // V8_COMPILER_FAST_ACCESSOR_ASSEMBLER_H_ | 109 #endif // V8_COMPILER_FAST_ACCESSOR_ASSEMBLER_H_ |
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