| #ifndef _TYPES_HLUA_H |
| #define _TYPES_HLUA_H |
| |
| #include <lua.h> |
| |
| enum hlua_state { |
| HLUA_STOP = 0, |
| HLUA_RUN, |
| }; |
| |
| enum hlua_exec { |
| HLUA_E_OK = 0, |
| HLUA_E_AGAIN, /* LUA yield, must resume the stack execution later, when |
| the associatedtask is waked. */ |
| HLUA_E_ERRMSG, /* LUA stack execution failed with a string error message |
| in the top of stack. */ |
| HLUA_E_ERR, /* LUA stack execution failed without error message. */ |
| }; |
| |
| struct hlua { |
| lua_State *T; /* The LUA stack. */ |
| int Tref; /* The reference of the stack in coroutine case. |
| -1 for the main lua stack. */ |
| int Mref; /* The reference of the memory context in coroutine case. |
| -1 if the memory context is not used. */ |
| int nargs; /* The number of arguments in the stack at the start of execution. */ |
| enum hlua_state state; /* The current execution state. */ |
| struct task *task; /* The task associated with the lua stack execution. |
| We must wake this task to continue the task execution */ |
| struct list com; /* The list head of the signals attached to this task. */ |
| struct ebpt_node node; |
| }; |
| |
| struct hlua_com { |
| struct list purge_me; /* Part of the list of signals to be purged in the |
| case of the LUA execution stack crash. */ |
| struct list wake_me; /* Part of list of signals to be targeted if an |
| event occurs. */ |
| struct task *task; /* The task to be wake if an event occurs. */ |
| }; |
| |
| #endif /* _TYPES_HLUA_H */ |