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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 |
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41 // - After creating the instance, you can call an arbitrary sequence of | 41 // - After creating the instance, you can call an arbitrary sequence of |
42 // builder functions to build the desired function. | 42 // builder functions to build the desired function. |
43 // - When done, you can Build() the accessor and query for the build results. | 43 // - When done, you can Build() the accessor and query for the build results. |
44 // | 44 // |
45 // You cannot call any result getters before Build() was called & successful; | 45 // You cannot call any result getters before Build() was called & successful; |
46 // and you cannot call any builder functions after Build() was called. | 46 // and you cannot call any builder functions after Build() was called. |
47 class FastAccessorAssembler { | 47 class FastAccessorAssembler { |
48 public: | 48 public: |
49 typedef v8::experimental::FastAccessorBuilder::ValueId ValueId; | 49 typedef v8::experimental::FastAccessorBuilder::ValueId ValueId; |
50 typedef v8::experimental::FastAccessorBuilder::LabelId LabelId; | 50 typedef v8::experimental::FastAccessorBuilder::LabelId LabelId; |
| 51 typedef v8::FunctionCallback FunctionCallback; |
51 | 52 |
52 explicit FastAccessorAssembler(Isolate* isolate); | 53 explicit FastAccessorAssembler(Isolate* isolate); |
53 ~FastAccessorAssembler(); | 54 ~FastAccessorAssembler(); |
54 | 55 |
55 // Builder / assembler functions: | 56 // Builder / assembler functions: |
56 ValueId IntegerConstant(int int_constant); | 57 ValueId IntegerConstant(int int_constant); |
57 ValueId GetReceiver(); | 58 ValueId GetReceiver(); |
58 ValueId LoadInternalField(ValueId value_id, int field_no); | 59 ValueId LoadInternalField(ValueId value_id, int field_no); |
59 ValueId LoadValue(ValueId value_id, int offset); | 60 ValueId LoadValue(ValueId value_id, int offset); |
60 ValueId LoadObject(ValueId value_id, int offset); | 61 ValueId LoadObject(ValueId value_id, int offset); |
61 | 62 |
62 // Builder / assembler functions for control flow. | 63 // Builder / assembler functions for control flow. |
63 void ReturnValue(ValueId value_id); | 64 void ReturnValue(ValueId value_id); |
64 void CheckFlagSetOrReturnNull(ValueId value_id, int mask); | 65 void CheckFlagSetOrReturnNull(ValueId value_id, int mask); |
65 void CheckNotZeroOrReturnNull(ValueId value_id); | 66 void CheckNotZeroOrReturnNull(ValueId value_id); |
66 | |
67 // TODO(vogelheim): Implement a C++ callback. | |
68 // void CheckNotNullOrCallback(ValueId value_id, ..c++-callback type..., | |
69 // ValueId arg1, ValueId arg2, ...); | |
70 | |
71 LabelId MakeLabel(); | 67 LabelId MakeLabel(); |
72 void SetLabel(LabelId label_id); | 68 void SetLabel(LabelId label_id); |
73 void CheckNotZeroOrJump(ValueId value_id, LabelId label_id); | 69 void CheckNotZeroOrJump(ValueId value_id, LabelId label_id); |
74 | 70 |
| 71 // C++ callback. |
| 72 ValueId Call(FunctionCallback callback, ValueId arg); |
| 73 |
75 // Assemble the code. | 74 // Assemble the code. |
76 MaybeHandle<Code> Build(); | 75 MaybeHandle<Code> Build(); |
77 | 76 |
78 private: | 77 private: |
79 ValueId FromRaw(Node* node); | 78 ValueId FromRaw(Node* node); |
80 LabelId FromRaw(RawMachineLabel* label); | 79 LabelId FromRaw(RawMachineLabel* label); |
81 Node* FromId(ValueId value) const; | 80 Node* FromId(ValueId value) const; |
82 RawMachineLabel* FromId(LabelId value) const; | 81 RawMachineLabel* FromId(LabelId value) const; |
83 | 82 |
84 Zone* zone() { return &zone_; } | 83 Zone* zone() { return &zone_; } |
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97 enum { kBuilding, kBuilt, kError } state_; | 96 enum { kBuilding, kBuilt, kError } state_; |
98 | 97 |
99 DISALLOW_COPY_AND_ASSIGN(FastAccessorAssembler); | 98 DISALLOW_COPY_AND_ASSIGN(FastAccessorAssembler); |
100 }; | 99 }; |
101 | 100 |
102 } // namespace compiler | 101 } // namespace compiler |
103 } // namespace internal | 102 } // namespace internal |
104 } // namespace v8 | 103 } // namespace v8 |
105 | 104 |
106 #endif // V8_COMPILER_FAST_ACCESSOR_ASSEMBLER_H_ | 105 #endif // V8_COMPILER_FAST_ACCESSOR_ASSEMBLER_H_ |
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