add v8 executor & default executor

doric-Qt/doric/engine/v8/V8Executor.h

@@ -0,0 +1,31 @@
+#ifndef V8EXECUTOR_H
+#define V8EXECUTOR_H
+
+#include "libplatform/libplatform.h"
+#include "v8/v8.h"
+
+#include <QObject>
+#include <QString>
+
+class V8Executor {
+
+private:
+  v8::Isolate::CreateParams create_params;
+  v8::Isolate *m_isolate;
+  v8::Isolate::Scope *m_isolate_scope;
+  v8::Global<v8::Context> *m_global_context;
+
+  v8::Local<v8::Value> innerExec(const char *script, const char *source,
+                                 std::string *exception_str);
+
+public:
+  V8Executor();
+
+  ~V8Executor();
+
+  QString loadJS(QString script, QString source);
+
+  void injectGlobalJSObject(QString name, QObject *object);
+};
+
+#endif // V8EXECUTOR_H