String v8ValueToWebCoreString(v8::Handle<v8::Value> object)
{
if (object->IsString())
return v8StringToWebCoreString(v8::Handle<v8::String>::Cast(object), Externalize, PlainStringType);
if (object->IsInt32()) {
int value = object->Int32Value();
// Most numbers used are <= 100. Even if they aren't used there's very little in using the space.
const int kLowNumbers = 100;
static AtomicString lowNumbers[kLowNumbers + 1];
String webCoreString;
if (0 <= value && value <= kLowNumbers) {
webCoreString = lowNumbers[value];
if (!webCoreString) {
AtomicString valueString = AtomicString(String::number(value));
lowNumbers[value] = valueString;
webCoreString = valueString;
}
} else
webCoreString = String::number(value);
return webCoreString;
}
v8::TryCatch block;
v8::Handle<v8::String> v8String = object->ToString();
// Handle the case where an exception is thrown as part of invoking toString on the object.
if (block.HasCaught()) {
throwError(block.Exception());
return StringImpl::empty();
}
return v8StringToWebCoreString(v8String, DoNotExternalize, PlainStringType);
}
AtomicString v8StringToAtomicWebCoreString(v8::Handle<v8::String> v8String)
{
WebCoreStringResource* stringResource = WebCoreStringResource::toStringResource(v8String);
if (!stringResource) {
// If this string hasn't been externalized, we force it now.
String plain = v8StringToWebCoreString(v8String, Externalize, AtomicStringType);
// If the string is empty there's no room to cache an atomic
// string so we bail out.
if (plain.isEmpty())
return plain;
stringResource = WebCoreStringResource::toStringResource(v8String);
ASSERT(stringResource != NULL);
}
return stringResource->atomicString();
}
String ScriptDebugServer::setBreakpoint(const String& sourceID, const ScriptBreakpoint& scriptBreakpoint, int* actualLineNumber, int* actualColumnNumber)
{
v8::HandleScope scope;
v8::Local<v8::Context> debuggerContext = v8::Debug::GetDebugContext();
v8::Context::Scope contextScope(debuggerContext);
v8::Local<v8::Object> args = v8::Object::New();
args->Set(v8::String::New("sourceID"), v8String(sourceID));
args->Set(v8::String::New("lineNumber"), v8::Integer::New(scriptBreakpoint.lineNumber));
args->Set(v8::String::New("columnNumber"), v8::Integer::New(scriptBreakpoint.columnNumber));
args->Set(v8::String::New("condition"), v8String(scriptBreakpoint.condition));
v8::Handle<v8::Function> setBreakpointFunction = v8::Local<v8::Function>::Cast(m_debuggerScript.get()->Get(v8::String::New("setBreakpoint")));
v8::Handle<v8::Value> breakpointId = v8::Debug::Call(setBreakpointFunction, args);
if (!breakpointId->IsString())
return "";
*actualLineNumber = args->Get(v8::String::New("lineNumber"))->Int32Value();
*actualColumnNumber = args->Get(v8::String::New("columnNumber"))->Int32Value();
return v8StringToWebCoreString(breakpointId->ToString());
}
String ScriptStringImpl::toString() const
{
return v8StringToWebCoreString(m_handle.get());
}