Push version 2.5.7 to trunk....

src/execution.cc

Index: src/execution.cc
===================================================================
--- src/execution.cc	(revision 5846)
+++ src/execution.cc	(working copy)
@@ -700,135 +700,4 @@
   return Heap::undefined_value();
 }
 
-// --- G C   E x t e n s i o n ---
-
-const char* const GCExtension::kSource = "native function gc();";
-
-
-v8::Handle<v8::FunctionTemplate> GCExtension::GetNativeFunction(
-    v8::Handle<v8::String> str) {
-  return v8::FunctionTemplate::New(GCExtension::GC);
-}
-
-
-v8::Handle<v8::Value> GCExtension::GC(const v8::Arguments& args) {
-  // All allocation spaces other than NEW_SPACE have the same effect.
-  Heap::CollectAllGarbage(false);
-  return v8::Undefined();
-}
-
-
-static GCExtension gc_extension;
-static v8::DeclareExtension gc_extension_declaration(&gc_extension);
-
-
-// --- E x t e r n a l i z e S t r i n g   E x t e n s i o n ---
-
-
-template <typename Char, typename Base>
-class SimpleStringResource : public Base {
- public:
-  // Takes ownership of |data|.
-  SimpleStringResource(Char* data, size_t length)
-      : data_(data),
-        length_(length) {}
-
-  virtual ~SimpleStringResource() { delete[] data_; }
-
-  virtual const Char* data() const { return data_; }
-
-  virtual size_t length() const { return length_; }
-
- private:
-  Char* const data_;
-  const size_t length_;
-};
-
-
-typedef SimpleStringResource<char, v8::String::ExternalAsciiStringResource>
-    SimpleAsciiStringResource;
-typedef SimpleStringResource<uc16, v8::String::ExternalStringResource>
-    SimpleTwoByteStringResource;
-
-
-const char* const ExternalizeStringExtension::kSource =
-    "native function externalizeString();"
-    "native function isAsciiString();";
-
-
-v8::Handle<v8::FunctionTemplate> ExternalizeStringExtension::GetNativeFunction(
-    v8::Handle<v8::String> str) {
-  if (strcmp(*v8::String::AsciiValue(str), "externalizeString") == 0) {
-    return v8::FunctionTemplate::New(ExternalizeStringExtension::Externalize);
-  } else {
-    ASSERT(strcmp(*v8::String::AsciiValue(str), "isAsciiString") == 0);
-    return v8::FunctionTemplate::New(ExternalizeStringExtension::IsAscii);
-  }
-}
-
-
-v8::Handle<v8::Value> ExternalizeStringExtension::Externalize(
-    const v8::Arguments& args) {
-  if (args.Length() < 1 || !args[0]->IsString()) {
-    return v8::ThrowException(v8::String::New(
-        "First parameter to externalizeString() must be a string."));
-  }
-  bool force_two_byte = false;
-  if (args.Length() >= 2) {
-    if (args[1]->IsBoolean()) {
-      force_two_byte = args[1]->BooleanValue();
-    } else {
-      return v8::ThrowException(v8::String::New(
-          "Second parameter to externalizeString() must be a boolean."));
-    }
-  }
-  bool result = false;
-  Handle<String> string = Utils::OpenHandle(*args[0].As<v8::String>());
-  if (string->IsExternalString()) {
-    return v8::ThrowException(v8::String::New(
-        "externalizeString() can't externalize twice."));
-  }
-  if (string->IsAsciiRepresentation() && !force_two_byte) {
-    char* data = new char[string->length()];
-    String::WriteToFlat(*string, data, 0, string->length());
-    SimpleAsciiStringResource* resource = new SimpleAsciiStringResource(
-        data, string->length());
-    result = string->MakeExternal(resource);
-    if (result && !string->IsSymbol()) {
-      i::ExternalStringTable::AddString(*string);
-    }
-    if (!result) delete resource;
-  } else {
-    uc16* data = new uc16[string->length()];
-    String::WriteToFlat(*string, data, 0, string->length());
-    SimpleTwoByteStringResource* resource = new SimpleTwoByteStringResource(
-        data, string->length());
-    result = string->MakeExternal(resource);
-    if (result && !string->IsSymbol()) {
-      i::ExternalStringTable::AddString(*string);
-    }
-    if (!result) delete resource;
-  }
-  if (!result) {
-    return v8::ThrowException(v8::String::New("externalizeString() failed."));
-  }
-  return v8::Undefined();
-}
-
-
-v8::Handle<v8::Value> ExternalizeStringExtension::IsAscii(
-    const v8::Arguments& args) {
-  if (args.Length() != 1 || !args[0]->IsString()) {
-    return v8::ThrowException(v8::String::New(
-        "isAsciiString() requires a single string argument."));
-  }
-  return Utils::OpenHandle(*args[0].As<v8::String>())->IsAsciiRepresentation() ?
-      v8::True() : v8::False();
-}
-
-
-static ExternalizeStringExtension externalize_extension;
-static v8::DeclareExtension externalize_extension_declaration(
-    &externalize_extension);
-
 } }  // namespace v8::internal