src/3rdparty/v8/src/accessors.h

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  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_