public static void LinyeeDCallHook(LinyeeState L, int event_, int line)
{
LinyeeHook hook = L.hook;
if ((hook != null) && (L.allowhook != 0))
{
ptrdiff_t top = SaveStack(L, L.top);
ptrdiff_t ci_top = SaveStack(L, L.ci.top);
LinyeeDebug ar = new LinyeeDebug();
ar.event_ = event_;
ar.currentline = line;
if (event_ == LINYEE_HOOKTAILRET)
{
ar.i_ci = 0; /* tail call; no debug information about it */
}
else
{
ar.i_ci = L.ci - L.base_ci;
}
LinyeeDCheckStack(L, LINYEE_MINSTACK); /* ensure minimum stack size */
L.ci.top = L.top + LINYEE_MINSTACK;
LinyeeAssert(L.ci.top <= L.stack_last);
L.allowhook = 0; /* cannot call hooks inside a hook */
LinyeeUnlock(L);
hook(L, ar);
LinyeeLock(L);
LinyeeAssert(L.allowhook == 0);
L.allowhook = 1;
L.ci.top = RestoreStack(L, ci_top);
L.top = RestoreStack(L, top);
}
}
/*
** this function can be called asynchronous (e.g. during a signal)
*/
public static int LinyeeSetHook(LinyeeState L, LinyeeHook func, int mask, int count)
{
if (func == null || mask == 0) /* turn off hooks? */
{
mask = 0;
func = null;
}
L.hook = func;
L.basehookcount = count;
ResetHookCount(L);
L.hookmask = CastByte(mask);
return(1);
}
private static int DBGetHook(LinyeeState L)
{
int arg;
LinyeeState L1 = GetThread(L, out arg);
CharPtr buff = new char[5];
int mask = LinyeeGetHookMask(L1);
LinyeeHook hook = LinyeeGetHook(L1);
if (hook != null && hook != HookF) /* external hook? */
{
LinyeePushLiteral(L, "external hook");
}
else
{
GetHookTable(L);
LinyeePushLightUserData(L, L1);
LinyeeRawGet(L, -2); /* get hook */
LinyeeRemove(L, -2); /* remove hook table */
}
LinyeePushString(L, UnmakeMask(mask, buff));
LinyeePushInteger(L, LinyeeGetHookCount(L1));
return(3);
}