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#include "stdafx.h"
extern PLUGININFOEX pluginInfoEx;
int hMLuaLangpack;
CMLua::CMLua()
: PLUGIN(MODULENAME, pluginInfoEx),
L(nullptr),
Scripts(1)
{
MUUID muidLast = MIID_LAST;
hMLuaLangpack = GetPluginLangId(muidLast, 0);
CreatePluginService(MS_LUA_CALL, &CMLua::Call);
CreatePluginService(MS_LUA_EXEC, &CMLua::Exec);
CreatePluginService(MS_LUA_EVAL, &CMLua::Eval);
}
CMLua::~CMLua()
{
Unload();
}
void CMLua::Load()
{
Log("Loading lua engine");
L = luaL_newstate();
Log("Loading standard modules");
luaL_openlibs(L);
lua_atpanic(L, luaM_atpanic);
CMLuaFunctionLoader::Load(L);
CMLuaModuleLoader::Load(L);
CMLuaScriptLoader::Load(L);
}
void CMLua::Unload()
{
Log("Unloading lua engine");
Scripts.destroy();
KillModuleIcons(hMLuaLangpack);
KillModuleSounds(hMLuaLangpack);
KillModuleMenus(hMLuaLangpack);
KillModuleHotkeys(hMLuaLangpack);
KillObjectEventHooks(L);
KillObjectServices(L);
lua_close(L);
}
void CMLua::Reload()
{
Unload();
Load();
}
/***********************************************/
static int mlua_call(lua_State *L)
{
const char *module = luaL_checkstring(L, -3);
const char *function = luaL_checkstring(L, -2);
if (module && module[0]) {
lua_getglobal(L, "require");
lua_pushstring(L, module);
lua_pcall(L, 1, 1, 0);
lua_getfield(L, -1, function);
lua_replace(L, -2);
}
else
lua_getglobal(L, function);
lua_pcall(L, 0, 1, 0);
return 1;
}
INT_PTR CMLua::Call(WPARAM wParam, LPARAM lParam)
{
const wchar_t *module = (const wchar_t*)wParam;
const wchar_t *function = (const wchar_t*)lParam;
lua_pushstring(L, ptrA(mir_utf8encodeW(module)));
lua_pushstring(L, ptrA(mir_utf8encodeW(function)));
lua_newtable(L);
lua_pushcclosure(L, mlua_call, 1);
CMLuaEnvironment env(L);
env.Load();
wchar_t *result = mir_utf8decodeW(lua_tostring(L, -1));
lua_pop(L, 1);
return (INT_PTR)result;
}
INT_PTR CMLua::Eval(WPARAM, LPARAM lParam)
{
const wchar_t *script = (const wchar_t*)lParam;
if (luaL_loadstring(L, ptrA(mir_utf8encodeW(script)))) {
ReportError(L);
return NULL;
}
CMLuaEnvironment env(L);
env.Load();
wchar_t *result = mir_utf8decodeW(lua_tostring(L, -1));
lua_pop(L, 1);
return (INT_PTR)result;
}
INT_PTR CMLua::Exec(WPARAM, LPARAM lParam)
{
const wchar_t *path = (const wchar_t*)lParam;
if (luaL_loadfile(L, ptrA(mir_utf8encodeW(path)))) {
ReportError(L);
return NULL;
}
CMLuaEnvironment env(L);
env.Load();
wchar_t *result = mir_utf8decodeW(lua_tostring(L, -1));
lua_pop(L, 1);
return (INT_PTR)result;
}
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