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#include "stdafx.h"
LIST<void> CMLua::Hooks(1, PtrKeySortT);
LIST<void> CMLua::Events(1, PtrKeySortT);
LIST<void> CMLua::Services(1, PtrKeySortT);
LIST<void> CMLua::HookRefs(1, HandleKeySortT);
LIST<void> CMLua::ServiceRefs(1, HandleKeySortT);
CMLua::CMLua() : L(NULL)
{
hLoadedEvent = CreateHookableEvent("Lua/Script/Loaded");
hUnloadEvent = CreateHookableEvent("Lua/Script/Unload");
Load();
}
CMLua::~CMLua()
{
Unload();
}
void CMLua::Load()
{
CallService(MS_NETLIB_LOG, (WPARAM)hNetlib, (LPARAM)"Loading lua engine");
L = luaL_newstate();
CallService(MS_NETLIB_LOG, (WPARAM)hNetlib, (LPARAM)"Loading std modules");
luaL_openlibs(L);
lua_getglobal(L, "package");
lua_pushstring(L, "");
lua_setfield(L, -2, "path");
lua_pushstring(L, "");
lua_setfield(L, -2, "cpath");
lua_pop(L, 1);
lua_getglobal(L, "_G");
lua_pushcclosure(L, luaM_print, 0);
lua_setfield(L, -2, "print");
lua_pushcclosure(L, luaM_toansi, 0);
lua_setfield(L, -2, "a");
lua_pushcclosure(L, luaM_toucs2, 0);
lua_setfield(L, -2, "u");
lua_pop(L, 1);
lua_atpanic(L, luaM_atpanic);
MUUID muidLast = MIID_LAST;
hScriptsLangpack = GetPluginLangId(muidLast, 0);
CallService(MS_NETLIB_LOG, (WPARAM)hNetlib, (LPARAM)"Loading miranda modules");
CLuaModuleLoader::Load(L);
CLuaScriptLoader::Load(L);
NotifyEventHooks(hLoadedEvent);
}
void CMLua::Unload()
{
CallService(MS_NETLIB_LOG, (WPARAM)hNetlib, (LPARAM)"Unloading lua engine");
NotifyEventHooks(hUnloadEvent);
::KillModuleIcons(hScriptsLangpack);
::KillModuleMenus(hScriptsLangpack);
CMLua::KillModuleServices();
CMLua::KillModuleEventHooks();
//KillModuleSubclassing
if (L)
lua_close(L);
}
void CMLua::Reload()
{
Unload();
Load();
}
void CMLua::Reload(const TCHAR* path)
{
CLuaScriptLoader::Reload(g_mLua->L, path);
}
void CMLua::KillModuleEventHooks()
{
while (Hooks.getCount())
{
HANDLE hHook = Hooks[0];
Hooks.remove(0);
UnhookEvent(hHook);
}
while (Events.getCount())
{
HANDLE hEvent = Events[0];
Events.remove(hEvent);
DestroyHookableEvent(hEvent);
}
while (HookRefs.getCount())
{
HandleRefParam *param = (HandleRefParam*)HookRefs[0];
if (param != NULL)
{
luaL_unref(param->L, LUA_REGISTRYINDEX, param->ref);
HookRefs.remove(0);
delete param;
}
}
}
void CMLua::KillModuleServices()
{
while (Services.getCount())
{
HANDLE hService = Services[0];
Services.remove(0);
DestroyServiceFunction(hService);
}
while (ServiceRefs.getCount())
{
HandleRefParam *param = (HandleRefParam*)ServiceRefs[0];
if (param != NULL)
{
luaL_unref(param->L, LUA_REGISTRYINDEX, param->ref);
ServiceRefs.remove(0);
delete param;
}
}
}
int CMLua::OnScriptLoaded(lua_State *L)
{
if (!lua_isfunction(L, 1))
{
lua_pushlightuserdata(L, NULL);
return 1;
}
lua_pushvalue(L, 1);
int ref = luaL_ref(L, LUA_REGISTRYINDEX);
HANDLE res = ::HookEventObjParam("Lua/Script/Loaded", CMLua::HookEventObjParam, L, ref);
lua_pushlightuserdata(L, res);
Hooks.insert(res);
HookRefs.insert(new HandleRefParam(L, res, ref));
return 1;
}
int CMLua::OnScriptUnload(lua_State *L)
{
if (!lua_isfunction(L, 1))
{
lua_pushlightuserdata(L, NULL);
return 1;
}
lua_pushvalue(L, 1);
int ref = luaL_ref(L, LUA_REGISTRYINDEX);
HANDLE res = ::HookEventObjParam("Lua/Script/Unload", CMLua::HookEventObjParam, L, ref);
lua_pushlightuserdata(L, res);
Hooks.insert(res);
HookRefs.insert(new HandleRefParam(L, res, ref));
return 1;
}
int CMLua::HookEventObjParam(void *obj, WPARAM wParam, LPARAM lParam, LPARAM param)
{
lua_State *L = (lua_State*)obj;
int ref = param;
lua_rawgeti(L, LUA_REGISTRYINDEX, ref);
lua_pushnumber(L, wParam);
lua_pushnumber(L, lParam);
if (lua_pcall(L, 2, 1, 0))
CallService(MS_NETLIB_LOG, (WPARAM)hNetlib, (LPARAM)lua_tostring(L, -1));
int res = (int)lua_tointeger(L, 1);
return res;
}
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