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apiutils.h
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27 
28 #ifndef V8_APIUTILS_H_
29 #define V8_APIUTILS_H_
30 
31 namespace v8 {
33  public:
35  return that->name_count_;
36  }
37 
38  static const char** GetNames(ExtensionConfiguration* that) {
39  return that->names_;
40  }
41 
42  // Packs additional parameters for the NewArguments function. |implicit_args|
43  // is a pointer to the last element of 4-elements array controlled by GC.
44  static void PrepareArgumentsData(internal::Object** implicit_args,
45  internal::Isolate* isolate,
46  internal::Object* data,
47  internal::JSFunction* callee,
48  internal::Object* holder) {
49  implicit_args[v8::Arguments::kDataIndex] = data;
50  implicit_args[v8::Arguments::kCalleeIndex] = callee;
51  implicit_args[v8::Arguments::kHolderIndex] = holder;
52  implicit_args[v8::Arguments::kIsolateIndex] =
53  reinterpret_cast<internal::Object*>(isolate);
54  }
55 
57  internal::Object** argv, int argc,
58  bool is_construct_call) {
59  ASSERT(implicit_args[v8::Arguments::kCalleeIndex]->IsJSFunction());
60  ASSERT(implicit_args[v8::Arguments::kHolderIndex]->IsHeapObject());
61  // The implicit isolate argument is not tagged and looks like a SMI.
62  ASSERT(implicit_args[v8::Arguments::kIsolateIndex]->IsSmi());
63 
64  return v8::Arguments(implicit_args, argv, argc, is_construct_call);
65  }
66 
67  // Introduce an alias for the handle scope data to allow non-friends
68  // to access the HandleScope data.
69  typedef v8::HandleScope::Data HandleScopeData;
70 
71 #ifdef DEBUG
72  static void ZapHandleRange(internal::Object** begin, internal::Object** end);
73 #endif
74 };
75 
76 } // namespace v8
77 
78 #endif // V8_APIUTILS_H_
static void PrepareArgumentsData(internal::Object **implicit_args, internal::Isolate *isolate, internal::Object *data, internal::JSFunction *callee, internal::Object *holder)
Definition: apiutils.h:44
static const char ** GetNames(ExtensionConfiguration *that)
Definition: apiutils.h:38
v8::HandleScope::Data HandleScopeData
Definition: apiutils.h:69
#define ASSERT(condition)
Definition: checks.h:270
static v8::Arguments NewArguments(internal::Object **implicit_args, internal::Object **argv, int argc, bool is_construct_call)
Definition: apiutils.h:56
static int GetNameCount(ExtensionConfiguration *that)
Definition: apiutils.h:34