ScriptPreprocessor::ScriptPreprocessor(const ScriptSourceCode& preprocessorSourceCode, ScriptController& controller, PageConsole& console)
: m_isPreprocessing(false)
{
v8::TryCatch tryCatch;
tryCatch.SetVerbose(true);
Vector<ScriptSourceCode> sources;
sources.append(preprocessorSourceCode);
Vector<ScriptValue> scriptResults;
controller.executeScriptInIsolatedWorld(ScriptPreprocessorIsolatedWorldId, sources, DOMWrapperWorld::mainWorldExtensionGroup, &scriptResults);
if (scriptResults.size() != 1) {
console.addMessage(JSMessageSource, ErrorMessageLevel, "ScriptPreprocessor internal error, one ScriptSourceCode must give exactly one result.");
return;
}
ScriptValue preprocessorFunction = scriptResults[0];
if (!preprocessorFunction.isFunction()) {
console.addMessage(JSMessageSource, ErrorMessageLevel, "The preprocessor must compile to a function.");
return;
}
m_world = DOMWrapperWorld::ensureIsolatedWorld(ScriptPreprocessorIsolatedWorldId, DOMWrapperWorld::mainWorldExtensionGroup);
v8::Local<v8::Context> context = m_world->context(controller);
m_isolate = context->GetIsolate();
m_context.set(m_isolate, context);
m_preprocessorFunction.set(m_isolate, v8::Handle<v8::Function>::Cast(preprocessorFunction.v8Value()));
}
