1 // Copyright 2012 the V8 project authors. All rights reserved. 2 // Redistribution and use in source and binary forms, with or without 3 // modification, are permitted provided that the following conditions are 4 // met: 5 // 6 // * Redistributions of source code must retain the above copyright 7 // notice, this list of conditions and the following disclaimer. 8 // * Redistributions in binary form must reproduce the above 9 // copyright notice, this list of conditions and the following 10 // disclaimer in the documentation and/or other materials provided 11 // with the distribution. 12 // * Neither the name of Google Inc. nor the names of its 13 // contributors may be used to endorse or promote products derived 14 // from this software without specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28 #ifndef V8_ACCESSORS_H_ 29 #define V8_ACCESSORS_H_ 30 31 #include "allocation.h" 32 #include "v8globals.h" 33 34 namespace v8 { 35 namespace internal { 36 37 // The list of accessor descriptors. This is a second-order macro 38 // taking a macro to be applied to all accessor descriptor names. 39 #define ACCESSOR_DESCRIPTOR_LIST(V) \ 40 V(FunctionPrototype) \ 41 V(FunctionLength) \ 42 V(FunctionName) \ 43 V(FunctionArguments) \ 44 V(FunctionCaller) \ 45 V(ArrayLength) \ 46 V(StringLength) \ 47 V(ScriptSource) \ 48 V(ScriptName) \ 49 V(ScriptId) \ 50 V(ScriptLineOffset) \ 51 V(ScriptColumnOffset) \ 52 V(ScriptData) \ 53 V(ScriptType) \ 54 V(ScriptCompilationType) \ 55 V(ScriptLineEnds) \ 56 V(ScriptContextData) \ 57 V(ScriptEvalFromScript) \ 58 V(ScriptEvalFromScriptPosition) \ 59 V(ScriptEvalFromFunctionName) \ 60 V(ObjectPrototype) 61 62 // Accessors contains all predefined proxy accessors. 63 64 class Accessors : public AllStatic { 65 public: 66 // Accessor descriptors. 67 #define ACCESSOR_DESCRIPTOR_DECLARATION(name) \ 68 static const AccessorDescriptor name; 69 ACCESSOR_DESCRIPTOR_LIST(ACCESSOR_DESCRIPTOR_DECLARATION) 70 #undef ACCESSOR_DESCRIPTOR_DECLARATION 71 72 enum DescriptorId { 73 #define ACCESSOR_DESCRIPTOR_DECLARATION(name) \ 74 k##name, 75 ACCESSOR_DESCRIPTOR_LIST(ACCESSOR_DESCRIPTOR_DECLARATION) 76 #undef ACCESSOR_DESCRIPTOR_DECLARATION 77 descriptorCount 78 }; 79 80 // Accessor functions called directly from the runtime system. 81 MUST_USE_RESULT static MaybeObject* FunctionGetPrototype(Object* object, 82 void*); 83 MUST_USE_RESULT static MaybeObject* FunctionSetPrototype(JSObject* object, 84 Object* value, 85 void*); 86 static MaybeObject* FunctionGetArguments(Object* object, void*); 87 88 private: 89 // Accessor functions only used through the descriptor. 90 static MaybeObject* FunctionGetLength(Object* object, void*); 91 static MaybeObject* FunctionGetName(Object* object, void*); 92 static MaybeObject* FunctionGetCaller(Object* object, void*); 93 MUST_USE_RESULT static MaybeObject* ArraySetLength(JSObject* object, 94 Object* value, void*); 95 static MaybeObject* ArrayGetLength(Object* object, void*); 96 static MaybeObject* StringGetLength(Object* object, void*); 97 static MaybeObject* ScriptGetName(Object* object, void*); 98 static MaybeObject* ScriptGetId(Object* object, void*); 99 static MaybeObject* ScriptGetSource(Object* object, void*); 100 static MaybeObject* ScriptGetLineOffset(Object* object, void*); 101 static MaybeObject* ScriptGetColumnOffset(Object* object, void*); 102 static MaybeObject* ScriptGetData(Object* object, void*); 103 static MaybeObject* ScriptGetType(Object* object, void*); 104 static MaybeObject* ScriptGetCompilationType(Object* object, void*); 105 static MaybeObject* ScriptGetLineEnds(Object* object, void*); 106 static MaybeObject* ScriptGetContextData(Object* object, void*); 107 static MaybeObject* ScriptGetEvalFromScript(Object* object, void*); 108 static MaybeObject* ScriptGetEvalFromScriptPosition(Object* object, void*); 109 static MaybeObject* ScriptGetEvalFromFunctionName(Object* object, void*); 110 static MaybeObject* ObjectGetPrototype(Object* receiver, void*); 111 static MaybeObject* ObjectSetPrototype(JSObject* receiver, 112 Object* value, 113 void*); 114 115 // Helper functions. 116 static Object* FlattenNumber(Object* value); 117 static MaybeObject* IllegalSetter(JSObject*, Object*, void*); 118 static Object* IllegalGetAccessor(Object* object, void*); 119 static MaybeObject* ReadOnlySetAccessor(JSObject*, Object* value, void*); 120 }; 121 122 } } // namespace v8::internal 123 124 #endif // V8_ACCESSORS_H_ 125
