static void pushresult(int32 i) {
if (i)
lua_pushuserdata(0);
else {
lua_pushnil();
lua_pushstring("File I/O error.");
}
}
void LuaMachine::releaseUserdata(void* userdata)
{
lua_getfield(L, LUA_REGISTRYINDEX, "UDATA"); // T
lua_pushuserdata(L, userdata); // TK
lua_pushnil(L); // TKV
lua_rawset(L, -3); // T
lua_pop(L, 1); //
}
void LuaMachine::retainUserdata(void* userdata)
{
lua_getfield(L, LUA_REGISTRYINDEX, "UDATA"); // T
lua_pushuserdata(L, userdata); // TK
lua_pushboolean(L, true); // TKV
lua_rawset(L, -3); // T
lua_pop(L, 1); //
}
void Lua_V1::Remove() {
if (g_system->getSavefileManager()->removeSavefile(luaL_check_string(1)))
lua_pushuserdata(0);
else {
lua_pushnil();
lua_pushstring(g_system->getSavefileManager()->getErrorDesc().c_str());
}
}
static void GetAttributeData(void)
{
char *value = IupGetAttribute(iuplua_checkihandle(1), luaL_check_string(2));
if (value)
lua_pushuserdata((void*)value);
else
lua_pushnil();
}
static void GetGlobal(void)
{
const char* a = luaL_check_string(1);
char *v = IupGetGlobal(a);
if (iupGlobalIsPointer(a))
lua_pushuserdata((void*)v);
else
lua_pushstring(v);
}
static void pushresult (int i)
{
if (i)
lua_pushuserdata(NULL);
else {
lua_pushnil();
lua_pushstring(strerror(errno));
}
}
static void luaB_dostring (void) {
long l;
char *s = luaL_check_lstr(1, &l);
if (*s == ID_CHUNK)
lua_error("`dostring' cannot run pre-compiled code");
if (lua_dobuffer(s, l, luaL_opt_string(2, s)) == 0)
if (luaA_passresults() == 0)
lua_pushuserdata(NULL); /* at least one result to signal no errors */
}
static int pushresult (lua_State *L, int i) {
if (i) {
lua_pushuserdata(L, NULL);
return 1;
}
else {
lua_pushnil(L);
lua_pushstring(L, strerror(errno));
lua_pushnumber(L, errno);
return 3;;
}
}
int InitScripting(DISZ80 *d)
{
char buf[256];
int err;
if (d->ls == NULL)
{
d->ls = lua_open(0);
if (d->ls == NULL)
return DERR_OUTOFMEM;
lua_baselibopen(d->ls);
lua_strlibopen(d->ls);
lua_pushuserdata(d->ls, d);
lua_setglobal(d->ls, "DISZ80STRUC");
lua_register(d->ls, LUA_ERRORMESSAGE, LuaErrorHandler);
/* Register the dZ80 support functions */
lua_register(d->ls, "d_RegTrap", d_RegTrap);
lua_register(d->ls, "d_AddComment", d_AddComment);
lua_register(d->ls, "d_AddToDis", d_AddToDis);
lua_register(d->ls, "d_AddToDisTab", d_AddToDisTab);
lua_register(d->ls, "d_GetByte", d_GetByte);
lua_register(d->ls, "d_LookByte", d_LookByte);
lua_register(d->ls, "d_DB", d_DB);
lua_register(d->ls, "d_FlushLine", d_FlushLine);
lua_register(d->ls, "d_IsCodeByte", d_IsCodeByte);
lua_register(d->ls, "d_GetPC", d_GetPC);
lua_register(d->ls, "d_LookByteAddr", d_LookByteAddr);
lua_register(d->ls, "d_GetPass", d_GetPass);
lua_register(d->ls, "d_Message", d_Message);
/* Register the general support functions */
lua_register(d->ls, "hex", d_FromHex);
/* Set up the trap registration functions */
sprintf(buf,
"__dz80_pre={}\n"
"__dz80_post={}\n"
"function d_PreTrap(op, fn) __dz80_pre[op]=fn d_RegTrap(op, %d) end\n"
"function d_PostTrap(op, fn) __dz80_post[op]=fn d_RegTrap(op, %d) end\n",
D_SCRIPT_PRE, D_SCRIPT_POST);
err = lua_dostring(d->ls, buf);
if (err)
return DERR_SCRIPTERROR;
}
return DERR_NONE;
}
static void hookf (lua_State *L, void *key) {
lua_getregistry(L);
lua_pushuserdata(L, key);
lua_gettable(L, -2);
if (lua_isfunction(L, -1)) {
lua_pushvalue(L, 1);
lua_rawcall(L, 1, 0);
}
else
lua_pop(L, 1); /* pop result from gettable */
lua_pop(L, 1); /* pop table */
}
static void GetAttribute(void)
{
char *name = luaL_check_string(2);
Ihandle* ih = iuplua_checkihandle(1);
char *value = IupGetAttribute(ih, name);
if (!value || iupATTRIB_ISINTERNAL(name))
lua_pushnil();
else
{
if (iupAttribIsPointer(ih, name))
lua_pushuserdata((void*)value);
else
lua_pushstring(value);
}
}
static void _wrap_HTMLButtonElementNew(void) {
Element * _result;
Document * _arg0;
{
if (!lua_isnil (lua_getparam (1))) _arg0 = lua_getuserdata (lua_getparam (1));
else _arg0 = NULL;
}
_result = (Element *)HTMLButtonElementNew(_arg0);
{
if (_result != NULL) lua_pushuserdata (_result);
else lua_pushnil ();
}
}
static void sethook (lua_State *L, void *key, lua_Hook hook,
lua_Hook (*sethookf)(lua_State * L, lua_Hook h)) {
lua_settop(L, 1);
if (lua_isnil(L, 1))
(*sethookf)(L, NULL);
else if (lua_isfunction(L, 1))
(*sethookf)(L, hook);
else
luaL_argerror(L, 1, "function expected");
lua_getregistry(L);
lua_pushuserdata(L, key);
lua_pushvalue(L, -1); /* dup key */
lua_gettable(L, -3); /* get old value */
lua_pushvalue(L, -2); /* key (again) */
lua_pushvalue(L, 1);
lua_settable(L, -5); /* set new value */
}
/*
** Puts a "Python function" in the Lua stack for later use.
** To Lua, a "Python function" is a table returned by the function
** '_PYTHON.newPythonFunction(PyFuncName, PyFuncHandle)'
*/
static void luaPushPythonFunction(lua_State *L, char *PyFuncName, PyObject *PyFuncHandle) {
lua_getglobal(L, "_PYTHON");
lua_pushstring(L, "newPythonFunction");
lua_gettable(L, -2);
/* remove "_PYTHON" from the stack */
lua_remove(L, -2);
/* call '_PYTHON.newPythonFunction(PyFuncName, PyFuncHandle)' */
lua_pushstring(L, PyFuncName);
lua_pushuserdata(L, PyFuncHandle);
/* puts the Python "function" (a Lua table) in the stack */
lua_call(L, 2, 1);
}
static void profile_start(lua_State *L) {
if (PROFILE_INIT)
return; // already started.
lua_Object lobj = lua_getparam(L, 1);
if (lobj > 0) {
luaL_arg_check(L, lua_isnumber(L, lobj), 1,
"Inform the minimum time results in float");
PROFILE_RECORD_TIME = (float) lua_getnumber(L, lobj);
}
Meta **meta = (Meta **) malloc(MEM_BLOCKSIZE * sizeof(Meta **));
lua_pushuserdata(L, meta);
META_REF = lua_ref(L, 1);
lua_setcallhook(L, callhook);
PROFILE_START_TIME = clock();
PROFILE_INIT = true;
}
static int passresults (lua_State *L, int status, int oldtop) {
static const char *const errornames[] =
{"ok", "run-time error", "file error", "syntax error",
"memory error", "error in error handling"};
if (status == 0) {
int nresults = lua_gettop(L) - oldtop;
if (nresults > 0)
return nresults; /* results are already on the stack */
else {
lua_pushuserdata(L, NULL); /* at least one result to signal no errors */
return 1;
}
}
else { /* error */
lua_pushnil(L);
lua_pushstring(L, errornames[status]); /* error code */
return 2;
}
}
void lua_pushelement ( lua_State* luaVM, CElement* pElement )
{
if ( pElement )
{
ElementID ID = pElement->GetID ();
if ( ID != INVALID_ELEMENT_ID )
{
#pragma message( "Assigned to: lil_Toady" )
#if REMOVE_WHEN_FIXED
lua_pushuserdata ( luaVM, "Element", (void*) reinterpret_cast<unsigned int *>(ID.Value()) );
#else
lua_pushlightuserdata ( luaVM, (void*) reinterpret_cast<unsigned int *>(ID.Value()) );
#endif
return;
}
}
lua_pushnil ( luaVM );
}
void L1_new_dofile() {
const char *fname_str = luaL_check_string(1);
if (g_grim->bundle_dofile(fname_str) == 0)
if (luaA_passresults() == 0)
lua_pushuserdata(0);
}
static void register_getargs (char *argv[]) {
lua_pushuserdata(L, argv);
lua_pushcclosure(L, l_getargs, 1);
lua_setglobal(L, "getargs");
}
void luaCompat_pushPointer(lua_State* L, void *pointer)
{ /* lua4 */
lua_pushuserdata(L, pointer);
}
/*
** Used to put in the Lua stack the elements of a Python tuple.
** This function could be used to pass to Lua the parameters passed
** to a Python function, if calling Lua functions directly from Python
** was implemented, but now it is only used to pass to Lua the returns
** of a Python function.
** If a Python function returns a single value or a tuple, it is passed
** as parameters to Lua. Ony other combination of tuples is not yet implemented.
*/
static BOOLEAN pythonValues_to_luaStack(lua_State *L, PyObject *value, int *_size) {
int n;
int size;
PyObject *tuple;
PyObject *item;
VALUE_TYPES type;
BOOLEAN succeed;
tuple = pyTryTuple(value);
size = PyTuple_Size(tuple);
if (_size) {
*_size = size;
}
succeed = (size > 0)?True:False;
/* values: Python --> Lua */
for (n = 0; n < size; n++) {
item = PyTuple_GetItem(tuple, n);
type = pyGetType(item);
switch (type) {
case (Nothing):
lua_pushnil(L);
break;
case (Number):
if (PyInt_Check(item)) {
lua_pushnumber(L, PyInt_AsLong(item));
} else if (PyFloat_Check(item)) {
lua_pushnumber(L, PyFloat_AsDouble(item));
} else {
lua_pushnil(L);
PyErr_SetString(PyExc_Exception, "LuaPy: Unknown number type");
succeed = False;
}
break;
case (String):
lua_pushstring(L, PyString_AS_STRING(item));
break;
case (Function):
/* ** FALTA IMPLEMENTAR O DECREF CORRESPONDENTE NO GC DE LUA! ** */
Py_INCREF(item);
luaPushPythonFunction(L, "unnamed Python function", item);
break;
case (Pointer):
/* ** FALTA IMPLEMENTAR O DECREF CORRESPONDENTE NO GC DE LUA! ** */
Py_INCREF(item);
lua_pushuserdata(L, PyCObject_AsVoidPtr(item));
break;
case (Container):
lua_pushnil(L);
PyErr_SetString(PyExc_Exception, "LuaPy: passing Python tuples to Lua (as a table) is not implemented. Sorry.");
succeed = False;
break;
default:
lua_pushnil(L);
PyErr_SetString(PyExc_Exception, "LuaPy: can't translate an unknown type of parameter or return value from Python to Lua");
succeed = False;
}
}
return succeed;
}
void (lua_pushuserdata) (void *u) { lua_pushuserdata(u); }
void kgmLuaPush(void* arg){
lua_pushuserdata(lua_main, arg);
}
void kgmLuaScript::push(void* arg)
{
lua_pushuserdata(handler, arg);
}
static void luaB_dofile (void) {
char *fname = luaL_opt_string(1, NULL);
if (lua_dofile(fname) == 0)
if (luaA_passresults() == 0)
lua_pushuserdata(NULL); /* at least one result to signal no errors */
}
/* CALL FUNCTION HOOK */
static void callhook(lua_State *L, lua_Function func, char *file, int line) {
check_start(L);
Meta **array = get_metadata_array(L);
if (!array) return; // check if exists (call profile_stop ?)
if (STACK_INDEX > MEM_BLOCKSIZE - 1) {
// Reached memory limit, relocated to double.
int blocksize = MEM_BLOCKSIZE * 2;
array = realloc(array, blocksize * sizeof(Meta **));
if (array) {
lua_unref(L, META_REF); // Remove the old reference (new block of memory).
lua_pushuserdata(L, array); // Saves the new reference.
META_REF = lua_ref(L, 1);
MEM_BLOCKSIZE = blocksize; // Updates the size of the memory block.
} else {
lua_error(L, "profiler: out of memory!");
return; // suppress inspect
}
}
char *func_name;
char *func_scope;
if (lua_isfunction(L, func)) {
func_scope = lua_getobjname(L, func, &func_name);
Meta *meta = (Meta *) malloc(sizeof(Meta));
meta->fun_name = func_name ? func_name : "unnamed";
if (func_scope && strlen(func_scope) > 0) {
meta->fun_scope = func_scope;
} else {
meta->fun_scope = "unknown";
}
meta->func_file = file ? file : "unnamed";
meta->stack_level = STACK_SIZE;
meta->line = line;
Children *children = (Children *) malloc(sizeof(Children));
meta->children = children;
children->index = 0;
children->list = NULL;
children->size = 20;
Measure *measure = (Measure *) malloc(sizeof(Measure));
measure->begin = clock();
meta->measure = measure;
stack_record.meta = meta;
push(&stack, stack_record);
if (STACK_SIZE == 0) {
array[STACK_INDEX] = meta;
STACK_INDEX++;
}
STACK_SIZE++;
} else if (STACK_SIZE > 0) {
STACK_RECORD top_record = pop(&stack);
STACK_RECORD *new_record = next(&stack);
Meta *meta = top_record.meta;
meta->measure->end = clock();
meta->measure->time_spent = calc_time_spent(meta->measure);
if (new_record != NULL && meta->measure->time_spent >= PROFILE_RECORD_TIME) {
Meta *_meta = new_record->meta;
if (!_meta->children->list) { // already allocated ?
_meta->children->list = (Meta **) malloc(_meta->children->size * sizeof(Meta **));
if (!_meta->children->list) lua_error(L, "out of memory");
}
if (_meta->children->index > _meta->children->size - 1) {
_meta->children->size *= 2; // more
_meta->children->list = (Meta **) realloc(_meta->children->list,
_meta->children->size * sizeof(Meta **));
if (!_meta->children->list) lua_error(L, "out of memory");
}
_meta->children->list[_meta->children->index] = meta;
_meta->children->index++;
}
STACK_SIZE--;
}
}