Make static API getters inlineable again.

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index 430f410a6eaf61c4a71e80d3227278ee5c594490..e4fffadc81b6c29e44d7801eaefc14535bdce35f 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -2561,6 +2561,11 @@ Handle<Primitive> V8EXPORT Null();
 Handle<Boolean> V8EXPORT True();
 Handle<Boolean> V8EXPORT False();
 
+inline Handle<Primitive> Undefined(Isolate* isolate);
+inline Handle<Primitive> Null(Isolate* isolate);
+inline Handle<Boolean> True(Isolate* isolate);
+inline Handle<Boolean> False(Isolate* isolate);
+
 
 /**
  * A set of constraints that specifies the limits of the runtime's memory use.
@@ -3872,18 +3877,6 @@ const uintptr_t kEncodablePointerMask =
     PlatformSmiTagging::kEncodablePointerMask;
 const int kPointerToSmiShift = PlatformSmiTagging::kPointerToSmiShift;
 
-template <size_t ptr_size> struct InternalConstants;
-
-// Internal constants for 32-bit systems.
-template <> struct InternalConstants<4> {
-  static const int kStringResourceOffset = 3 * kApiPointerSize;
-};
-
-// Internal constants for 64-bit systems.
-template <> struct InternalConstants<8> {
-  static const int kStringResourceOffset = 3 * kApiPointerSize;
-};
-
 /**
  * This class exports constants and functionality from within v8 that
  * is necessary to implement inline functions in the v8 api.  Don't
@@ -3895,8 +3888,7 @@ class Internals {
   // the implementation of v8.
   static const int kHeapObjectMapOffset = 0;
   static const int kMapInstanceTypeOffset = 1 * kApiPointerSize + kApiIntSize;
-  static const int kStringResourceOffset =
-      InternalConstants<kApiPointerSize>::kStringResourceOffset;
+  static const int kStringResourceOffset = 3 * kApiPointerSize;
 
   static const int kOddballKindOffset = 3 * kApiPointerSize;
   static const int kForeignAddressOffset = kApiPointerSize;
@@ -3904,6 +3896,14 @@ class Internals {
   static const int kFullStringRepresentationMask = 0x07;
   static const int kExternalTwoByteRepresentationTag = 0x02;
 
+  static const int kIsolateStateOffset = 0;
+  static const int kIsolateEmbedderDataOffset = 1 * kApiPointerSize;
+  static const int kIsolateRootsOffset = 3 * kApiPointerSize;
+  static const int kUndefinedValueRootIndex = 5;
+  static const int kNullValueRootIndex = 7;
+  static const int kTrueValueRootIndex = 8;
+  static const int kFalseValueRootIndex = 9;
+
   static const int kJSObjectType = 0xaa;
   static const int kFirstNonstringType = 0x80;
   static const int kOddballType = 0x82;
@@ -3956,6 +3956,16 @@ class Internals {
     return representation == kExternalTwoByteRepresentationTag;
   }
 
+  static inline bool IsInitialized(v8::Isolate* isolate) {
+    uint8_t* addr = reinterpret_cast<uint8_t*>(isolate) + kIsolateStateOffset;
+    return *reinterpret_cast<int*>(addr) == 1;
+  }
+
+  static inline internal::Object** GetRoot(v8::Isolate* isolate, int index) {
+    uint8_t* addr = reinterpret_cast<uint8_t*>(isolate) + kIsolateRootsOffset;
+    return reinterpret_cast<internal::Object**>(addr + index * kApiPointerSize);
+  }
+
   template <typename T>
   static inline T ReadField(Object* ptr, int offset) {
     uint8_t* addr = reinterpret_cast<uint8_t*>(ptr) + offset - kHeapObjectTag;
@@ -4378,6 +4388,42 @@ Local<Object> AccessorInfo::Holder() const {
 }
 
 
+Handle<Primitive> Undefined(Isolate* isolate) {
+  typedef internal::Object* S;
+  typedef internal::Internals I;
+  if (!I::IsInitialized(isolate)) return Undefined();
+  S* slot = I::GetRoot(isolate, I::kUndefinedValueRootIndex);
+  return Handle<Primitive>(reinterpret_cast<Primitive*>(slot));
+}
+
+
+Handle<Primitive> Null(Isolate* isolate) {
+  typedef internal::Object* S;
+  typedef internal::Internals I;
+  if (!I::IsInitialized(isolate)) return Null();
+  S* slot = I::GetRoot(isolate, I::kNullValueRootIndex);
+  return Handle<Primitive>(reinterpret_cast<Primitive*>(slot));
+}
+
+
+Handle<Boolean> True(Isolate* isolate) {
+  typedef internal::Object* S;
+  typedef internal::Internals I;
+  if (!I::IsInitialized(isolate)) return True();
+  S* slot = I::GetRoot(isolate, I::kTrueValueRootIndex);
+  return Handle<Boolean>(reinterpret_cast<Boolean*>(slot));
+}
+
+
+Handle<Boolean> False(Isolate* isolate) {
+  typedef internal::Object* S;
+  typedef internal::Internals I;
+  if (!I::IsInitialized(isolate)) return False();
+  S* slot = I::GetRoot(isolate, I::kFalseValueRootIndex);
+  return Handle<Boolean>(reinterpret_cast<Boolean*>(slot));
+}
+
+
 /**
  * \example shell.cc
  * A simple shell that takes a list of expressions on the