| Index: src/execution.cc
|
| ===================================================================
|
| --- src/execution.cc (revision 5803)
|
| +++ 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
|
|
|