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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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36 | 36 |
37 // The list of accessor descriptors. This is a second-order macro | 37 // The list of accessor descriptors. This is a second-order macro |
38 // taking a macro to be applied to all accessor descriptor names. | 38 // taking a macro to be applied to all accessor descriptor names. |
39 #define ACCESSOR_DESCRIPTOR_LIST(V) \ | 39 #define ACCESSOR_DESCRIPTOR_LIST(V) \ |
40 V(FunctionPrototype) \ | 40 V(FunctionPrototype) \ |
41 V(FunctionLength) \ | 41 V(FunctionLength) \ |
42 V(FunctionName) \ | 42 V(FunctionName) \ |
43 V(FunctionArguments) \ | 43 V(FunctionArguments) \ |
44 V(FunctionCaller) \ | 44 V(FunctionCaller) \ |
45 V(ArrayLength) \ | 45 V(ArrayLength) \ |
| 46 V(StringLength) \ |
46 V(ScriptSource) \ | 47 V(ScriptSource) \ |
47 V(ScriptName) \ | 48 V(ScriptName) \ |
48 V(ScriptId) \ | 49 V(ScriptId) \ |
49 V(ScriptLineOffset) \ | 50 V(ScriptLineOffset) \ |
50 V(ScriptColumnOffset) \ | 51 V(ScriptColumnOffset) \ |
51 V(ScriptType) \ | 52 V(ScriptType) \ |
52 V(ScriptCompilationType) \ | 53 V(ScriptCompilationType) \ |
53 V(ScriptLineEnds) \ | 54 V(ScriptLineEnds) \ |
54 V(ScriptContextData) \ | 55 V(ScriptContextData) \ |
55 V(ScriptEvalFromScript) \ | 56 V(ScriptEvalFromScript) \ |
56 V(ScriptEvalFromScriptPosition) \ | 57 V(ScriptEvalFromScriptPosition) \ |
57 V(ScriptEvalFromFunctionName) | 58 V(ScriptEvalFromFunctionName) |
58 | 59 |
59 #define ACCESSOR_INFO_LIST(V) \ | |
60 V(StringLength) \ | |
61 | |
62 // Accessors contains all predefined proxy accessors. | 60 // Accessors contains all predefined proxy accessors. |
63 | 61 |
64 class Accessors : public AllStatic { | 62 class Accessors : public AllStatic { |
65 public: | 63 public: |
66 // Accessor descriptors. | 64 // Accessor descriptors. |
67 #define ACCESSOR_DESCRIPTOR_DECLARATION(name) \ | 65 #define ACCESSOR_DESCRIPTOR_DECLARATION(name) \ |
68 static const AccessorDescriptor name; | 66 static const AccessorDescriptor name; |
69 ACCESSOR_DESCRIPTOR_LIST(ACCESSOR_DESCRIPTOR_DECLARATION) | 67 ACCESSOR_DESCRIPTOR_LIST(ACCESSOR_DESCRIPTOR_DECLARATION) |
70 #undef ACCESSOR_DESCRIPTOR_DECLARATION | 68 #undef ACCESSOR_DESCRIPTOR_DECLARATION |
71 | 69 |
72 #define ACCESSOR_INFO_DECLARATION(name) \ | |
73 static void name##Getter( \ | |
74 v8::Local<v8::String> name, \ | |
75 const v8::PropertyCallbackInfo<v8::Value>& info); \ | |
76 static void name##Setter( \ | |
77 v8::Local<v8::String> name, \ | |
78 v8::Local<v8::Value> value, \ | |
79 const v8::PropertyCallbackInfo<void>& info); \ | |
80 static Handle<AccessorInfo> name##Info( \ | |
81 Isolate* isolate, \ | |
82 PropertyAttributes attributes); | |
83 ACCESSOR_INFO_LIST(ACCESSOR_INFO_DECLARATION) | |
84 #undef ACCESSOR_INFO_DECLARATION | |
85 | |
86 enum DescriptorId { | 70 enum DescriptorId { |
87 #define ACCESSOR_DESCRIPTOR_DECLARATION(name) \ | 71 #define ACCESSOR_DESCRIPTOR_DECLARATION(name) \ |
88 k##name, | 72 k##name, |
89 ACCESSOR_DESCRIPTOR_LIST(ACCESSOR_DESCRIPTOR_DECLARATION) | 73 ACCESSOR_DESCRIPTOR_LIST(ACCESSOR_DESCRIPTOR_DECLARATION) |
90 #undef ACCESSOR_DESCRIPTOR_DECLARATION | 74 #undef ACCESSOR_DESCRIPTOR_DECLARATION |
91 #define ACCESSOR_INFO_DECLARATION(name) \ | |
92 k##name##Getter, \ | |
93 k##name##Setter, | |
94 ACCESSOR_INFO_LIST(ACCESSOR_INFO_DECLARATION) | |
95 #undef ACCESSOR_INFO_DECLARATION | |
96 descriptorCount | 75 descriptorCount |
97 }; | 76 }; |
98 | 77 |
99 // Accessor functions called directly from the runtime system. | 78 // Accessor functions called directly from the runtime system. |
100 static Handle<Object> FunctionSetPrototype(Handle<JSFunction> object, | 79 static Handle<Object> FunctionSetPrototype(Handle<JSFunction> object, |
101 Handle<Object> value); | 80 Handle<Object> value); |
102 static Handle<Object> FunctionGetPrototype(Handle<JSFunction> object); | 81 static Handle<Object> FunctionGetPrototype(Handle<JSFunction> object); |
103 static Handle<Object> FunctionGetArguments(Handle<JSFunction> object); | 82 static Handle<Object> FunctionGetArguments(Handle<JSFunction> object); |
104 | 83 |
105 // Accessor infos. | 84 // Accessor infos. |
106 static Handle<AccessorInfo> MakeModuleExport( | 85 static Handle<AccessorInfo> MakeModuleExport( |
107 Handle<String> name, int index, PropertyAttributes attributes); | 86 Handle<String> name, int index, PropertyAttributes attributes); |
108 | 87 |
109 // Returns true for properties that are accessors to object fields. | 88 // Returns true for properties that are accessors to object fields. |
110 // If true, *object_offset contains offset of object field. | 89 // If true, *object_offset contains offset of object field. |
111 template <class T> | 90 template <class T> |
112 static bool IsJSObjectFieldAccessor(typename T::TypeHandle type, | 91 static bool IsJSObjectFieldAccessor(typename T::TypeHandle type, |
113 Handle<String> name, | 92 Handle<String> name, |
114 int* object_offset); | 93 int* object_offset); |
115 | 94 |
| 95 |
116 private: | 96 private: |
117 // Accessor functions only used through the descriptor. | 97 // Accessor functions only used through the descriptor. |
118 static MaybeObject* FunctionSetPrototype(Isolate* isolate, | 98 static MaybeObject* FunctionSetPrototype(Isolate* isolate, |
119 JSObject* object, | 99 JSObject* object, |
120 Object*, | 100 Object*, |
121 void*); | 101 void*); |
122 static MaybeObject* FunctionGetPrototype(Isolate* isolate, | 102 static MaybeObject* FunctionGetPrototype(Isolate* isolate, |
123 Object* object, | 103 Object* object, |
124 void*); | 104 void*); |
125 static MaybeObject* FunctionGetLength(Isolate* isolate, | 105 static MaybeObject* FunctionGetLength(Isolate* isolate, |
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176 static Object* IllegalGetAccessor(Isolate* isolate, Object* object, void*); | 156 static Object* IllegalGetAccessor(Isolate* isolate, Object* object, void*); |
177 static MaybeObject* ReadOnlySetAccessor(Isolate* isolate, | 157 static MaybeObject* ReadOnlySetAccessor(Isolate* isolate, |
178 JSObject*, | 158 JSObject*, |
179 Object* value, | 159 Object* value, |
180 void*); | 160 void*); |
181 }; | 161 }; |
182 | 162 |
183 } } // namespace v8::internal | 163 } } // namespace v8::internal |
184 | 164 |
185 #endif // V8_ACCESSORS_H_ | 165 #endif // V8_ACCESSORS_H_ |
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