#ifndef FOXGUI_LUA_ENGINE_H #define FOXGUI_LUA_ENGINE_H extern "C" { #include "lua.h" } #include "gsl_shell_interp.h" #include "pthreadpp.h" #include "str.h" class gsl_shell_thread : public gsl_shell { enum thread_cmd_e { thread_cmd_exec, thread_cmd_exit, thread_cmd_continue }; public: enum engine_status_e { starting, waiting, busy, terminated }; enum request_e { no_request = 0, exit_request, restart_request, execute_request }; enum { eot_character = 0x04 }; gsl_shell_thread(); void set_request(request_e req, const char* line = 0); void start(); void run(); virtual void before_eval() { } virtual void restart_callback() { } virtual void quit_callback() { } void lock() { pthread_mutex_lock(&this->exec_mutex); } void unlock() { pthread_mutex_unlock(&this->exec_mutex); } int eval_status() const { return m_eval_status; } pthread::mutex& eval_mutex() { return m_eval; } // asyncronous request void interrupt_request(); private: thread_cmd_e process_request(); pthread_t m_thread; engine_status_e m_status; pthread::cond m_eval; str m_line_pending; int m_eval_status; request_e m_request; }; #endif