static int luaB_towstring (lua_State *L) {
char buff[64];
luaL_checkany(L, 1);
if (luaL_callmeta(L, 1, "__towstring")) /* is there a metafield? */
return 1; /* use its value */
switch (lua_type(L, 1)) {
case LUA_TNUMBER:
lua_pushwstring(L, lua_towstring(L, 1));
break;
case LUA_TSTRING: {
luaL_Buffer b;
size_t l;
size_t i;
const char *s = lua_tostring(L, 1);
l = lua_strlen(L, 1);
if (l == 0)
{
lua_WChar str[] = { '\0' };
lua_pushwstring(L, (const lua_WChar*)str);
}
else
{
luaL_wbuffinit(L, &b);
for (i=0; i<l; i++)
luaL_addwchar(&b, (lua_WChar)(unsigned char)s[i]);
luaL_pushresult(&b);
}
return 1;
}
case LUA_TWSTRING:
lua_pushvalue(L, 1);
return 1;
case LUA_TBOOLEAN:
strcpy(buff, (lua_toboolean(L, 1) ? "true" : "false"));
break;
case LUA_TNIL:
strcpy(buff, "nil");
break;
default:
sprintf(buff, "%s: %p", luaL_typename(L, 1), lua_topointer(L, 1));
break;
}
{
luaL_Buffer b;
size_t l;
size_t i;
const lua_WChar *s = lua_towstring(L, 1);
l = lua_strlen(L, 1);
luaL_wbuffinit(L, &b);
for (i=0; i<l; i++)
luaL_addwchar(&b, (lua_WChar)(s[i]));
luaL_pushresult(&b);
}
return 1;
}
static void add_s (MatchState *ms, luaL_Buffer *b,
const lua_WChar *s, const lua_WChar *e) {
lua_State *L = ms->L;
if (lua_iswstring(L, 3)) {
const lua_WChar *news = lua_towstring(L, 3);
size_t l = lua_strlen(L, 3);
size_t i;
for (i=0; i<l; i++) {
if (news[i] != ESC)
luaL_putwchar(b, news[i]);
else {
i++; /* skip ESC */
if (!iswdigit(news[i]))
luaL_putwchar(b, news[i]);
else {
int level = check_capture(ms, news[i]);
push_onecapture(ms, level);
luaL_addvalue(b); /* add capture to accumulated result */
}
}
}
}
else { /* is a function */
int n;
lua_pushvalue(L, 3);
n = push_captures(ms, s, e);
lua_call(L, n, 1);
if (lua_iswstring(L, -1))
luaL_addvalue(b); /* add return to accumulated result */
else
lua_pop(L, 1); /* function result is not a string: pop it */
}
}
static int luaB_tostring (lua_State *L) {
char buff[128];
luaL_checkany(L, 1);
if (luaL_callmeta(L, 1, "__tostring")) /* is there a metafield? */
return 1; /* use its value */
switch (lua_type(L, 1)) {
case LUA_TNUMBER:
lua_pushstring(L, lua_tostring(L, 1));
return 1;
case LUA_TSTRING:
lua_pushvalue(L, 1);
return 1;
case LUA_TWSTRING: {
luaL_Buffer b;
size_t l;
size_t i;
const lua_WChar *s = lua_towstring(L, 1);
l = lua_strlen(L, 1);
if (l == 0)
{
lua_pushstring(L, "");
}
else
{
luaL_buffinit(L, &b);
for (i=0; i<l; i++)
luaL_putchar(&b, (unsigned char)(s[i]));
luaL_pushresult(&b);
}
return 1;
}
case LUA_TBOOLEAN:
lua_pushstring(L, (lua_toboolean(L, 1) ? "true" : "false"));
return 1;
case LUA_TTABLE:
sprintf(buff, "table: %p", lua_topointer(L, 1));
break;
case LUA_TFUNCTION:
sprintf(buff, "function: %p", lua_topointer(L, 1));
break;
case LUA_TUSERDATA:
case LUA_TLIGHTUSERDATA:
sprintf(buff, "userdata: %p", lua_touserdata(L, 1));
break;
case LUA_TTHREAD:
sprintf(buff, "thread: %p", (void *)lua_tothread(L, 1));
break;
case LUA_TNIL:
lua_pushliteral(L, "nil");
return 1;
}
lua_pushstring(L, buff);
return 1;
}
static int gfind_aux (lua_State *L) {
MatchState ms;
const lua_WChar *s = lua_towstring(L, lua_upvalueindex(1));
size_t ls = lua_strlen(L, lua_upvalueindex(1));
const lua_WChar *p = lua_towstring(L, lua_upvalueindex(2));
const lua_WChar *src;
ms.L = L;
ms.src_init = s;
ms.src_end = s+ls;
for (src = s + (size_t)lua_tonumber(L, lua_upvalueindex(3));
src <= ms.src_end;
src++) {
const lua_WChar *e;
ms.level = 0;
if ((e = match(&ms, src, p)) != NULL) {
int newstart = e-s;
if (e == src) newstart++; /* empty match? go at least one position */
lua_pushnumber(L, newstart);
lua_replace(L, lua_upvalueindex(3));
return push_captures(&ms, src, e);
}
}
return 0; /* not found */
}
static void infIAT(lua_State* L, hook_t* h) {
h->type = hook_t::type::IAT;
const char* dllname = luaL_checkstring(L, 3);
const char* apiname = nullptr;
if (lua_isinteger(L, 4)) {
apiname = (const char*)luaL_checkinteger(L, 4);
}
else {
apiname = luaL_checkstring(L, 4);
}
if (lua_isinteger(L, 2)) {
h->real = base::hook::iat((HMODULE)luaL_checkinteger(L, 2), dllname, apiname, h->fake);
}
else {
std::wstring modulename = lua_towstring(L, 2);
h->real = base::hook::iat(modulename.c_str(), dllname, apiname, h->fake);
}
}
/*
** If your system does not support `stdout', you can just remove this function.
** If you need, you can define your own `print' function, following this
** model but changing `fputs' to put the strings at a proper place
** (a console window or a log file, for instance).
*/
static int luaB_print (lua_State *L) {
int n = lua_gettop(L); /* number of arguments */
int i;
lua_getglobal(L, "towstring");
lua_getglobal(L, "tostring");
for (i=1; i<=n; i++) {
const char *s = NULL;
const lua_WChar *ws = NULL;
if (lua_type(L, i) != LUA_TWSTRING) {
lua_pushvalue(L, -1); /* function to be called */
lua_pushvalue(L, i); /* value to print */
lua_call(L, 1, 1);
s = lua_tostring(L, -1); /* get result */
if (s == NULL)
return luaL_error(L, LUA_QL("tostring") " must return a string to "
LUA_QL("print"));
} else {
lua_pushvalue(L, -2); /* function to be called */
lua_pushvalue(L, i); /* value to print */
lua_call(L, 1, 1);
ws = lua_towstring(L, -1); /* get result */
if (ws == NULL)
return luaL_error(L, "`tostring' must return a string to `print'");
}
if (i>1) fputs("\t", stdout);
if (s)
fputs(s, stdout);
else {
wchar_t out[512];
wchar_t* outEnd = out + sizeof(out) - 2;
while (*ws) {
wchar_t* outPos = out;
while (*ws && outPos != outEnd) {
*outPos++ = *ws++;
}
*outPos++ = 0;
fputws(out, stdout);
}
}
lua_pop(L, 1); /* pop result */
}
fputs("\n", stdout);
return 0;
}
/*
** If your system does not support `stdout', you can just remove this function.
** If you need, you can define your own `print' function, following this
** model but changing `fputs' to put the strings at a proper place
** (a console window or a log file, for instance).
*/
static int luaB_print (lua_State *L) {
int n = lua_gettop(L); /* number of arguments */
int i;
lua_getglobal(L, "towstring");
lua_getglobal(L, "tostring");
for (i=1; i<=n; i++) {
const char *s = NULL;
const lua_WChar *ws = NULL;
if (lua_type(L, i) != LUA_TWSTRING)
{
lua_pushvalue(L, -1); /* function to be called */
lua_pushvalue(L, i); /* value to print */
lua_call(L, 1, 1);
s = lua_tostring(L, -1); /* get result */
if (s == NULL)
return luaL_error(L, "`tostring' must return a string to `print'");
}
else
{
lua_pushvalue(L, -2); /* function to be called */
lua_pushvalue(L, i); /* value to print */
lua_call(L, 1, 1);
ws = lua_towstring(L, -1); /* get result */
if (ws == NULL)
return luaL_error(L, "`tostring' must return a string to `print'");
}
if (i>1) fputs("\t", stdout);
if (s)
fputs(s, stdout);
else
fputws(ws, stdout);
lua_pop(L, 1); /* pop result */
}
fputs("\n", stdout);
return 0;
}
static int wgmatch_aux (lua_State *L) {
WMatchState ms;
size_t ls;
const lua_WChar *s = lua_tolwstring(L, lua_upvalueindex(1), &ls);
const lua_WChar *p = lua_towstring(L, lua_upvalueindex(2));
const lua_WChar *src;
ms.L = L;
ms.src_init = s;
ms.src_end = s+ls;
for (src = s + (size_t)lua_tointeger(L, lua_upvalueindex(3));
src <= ms.src_end;
src++) {
const lua_WChar *e;
ms.level = 0;
if ((e = wmatch(&ms, src, p)) != NULL) {
lua_Integer newstart = e-s;
if (e == src) newstart++; /* empty wmatch? go at least one position */
lua_pushinteger(L, newstart);
lua_replace(L, lua_upvalueindex(3));
return wpush_captures(&ms, src, e);
}
}
return 0; /* not found */
}
static int g_read (lua_State *L, FILE *f, int first) {
int nargs = lua_gettop(L) - 1;
int success;
int n;
if (nargs == 0) { /* no arguments? */
success = read_line(L, f);
n = first+1; /* to return 1 result */
}
else { /* ensure stack space for all results and for auxlib's buffer */
luaL_checkstack(L, nargs+LUA_MINSTACK, "too many arguments");
success = 1;
for (n = first; nargs-- && success; n++) {
if (lua_type(L, n) == LUA_TNUMBER) {
size_t l = (size_t)lua_tonumber(L, n);
success = (l == 0) ? test_eof(L, f) : read_chars(L, f, l);
}
else if (lua_type(L, n) == LUA_TSTRING) {
const char *p = lua_tostring(L, n);
luaL_argcheck(L, p && p[0] == '*', n, "invalid option");
switch (p[1]) {
case 'n': /* number */
success = read_number(L, f);
break;
case 'l': /* line */
success = read_line(L, f);
break;
case 'a': /* file */
read_chars(L, f, ~((size_t)0)); /* read MAX_SIZE_T chars */
success = 1; /* always success */
break;
case 'w': /* word */
return luaL_error(L, "obsolete option `*w' to 'read'");
default:
return luaL_argerror(L, n, "invalid format");
}
} else if (lua_type(L, n) == LUA_TWSTRING) {
const lua_WChar *p = lua_towstring(L, n);
if (!p || p[0] != '*')
return luaL_error(L, "invalid `read' option");
switch (p[1]) {
case 'n': /* number */
success = uread_number(L, f);
break;
case 'l': /* line */
success = uread_line(L, f);
break;
case 'a': /* file */
uread_chars(L, f, ~((size_t)0)); /* read MAX_SIZE_T chars */
success = 1; /* always success */
break;
case 'w': /* word */
return luaL_error(L, "obsolete option `*w' to 'read'");
break;
default:
return luaL_argerror(L, n, "invalid format");
}
}
}
}
if (!success) {
lua_pop(L, 1); /* remove last result */
lua_pushnil(L); /* push nil instead */
}
return n - first;
}
static int LS_LOG( LuaState* state )
{
lua_State* L = *state;
int n = lua_gettop(L); /* number of arguments */
int i;
lua_getglobal(L, "towstring");
lua_getglobal(L, "tostring");
for (i=1; i<=n; i++) {
const char *s = NULL;
const lua_WChar *ws = NULL;
if (lua_type(L, i) != LUA_TWSTRING)
{
lua_pushvalue(L, -1); /* function to be called */
lua_pushvalue(L, i); /* value to print */
lua_call(L, 1, 1);
s = lua_tostring(L, -1); /* get result */
if (s == NULL)
return luaL_error(L, "`tostring' must return a string to `print'");
}
else
{
lua_pushvalue(L, -2); /* function to be called */
lua_pushvalue(L, i); /* value to print */
lua_call(L, 1, 1);
ws = lua_towstring(L, -1); /* get result */
if (ws == NULL)
return luaL_error(L, "`tostring' must return a string to `print'");
}
if (i>1)
{
#ifdef WIN32
// OutputDebugStringA("\t");
#else
fputs("\t", stdout);
#endif
}
if (s)
{
#ifdef WIN32
OutputDebugStringA(s);
throw std::exception(s);
#else
fputs(s, stdout);
#endif
}
else
{
#ifdef WIN32
OutputDebugStringW((LPCWSTR)ws);
#else
// fputws(ws, stdout);
#endif
}
lua_pop(L, 1); /* pop result */
}
#ifdef WIN32
OutputDebugStringA("\n");
#else
fputs("\n", stdout);
#endif
return 0;
}
static int luaB_towstring (lua_State *L) {
char buff[64];
switch (lua_type(L, 1)) {
case LUA_TNUMBER:
lua_pushwstring(L, lua_towstring(L, 1));
return 1;
case LUA_TSTRING: {
luaL_Buffer b;
size_t l;
size_t i;
const char *s = lua_tostring(L, 1);
l = lua_strlen(L, 1);
if (l == 0)
{
lua_pushwstring(L, L"");
}
else
{
luaL_wbuffinit(L, &b);
for (i=0; i<l; i++)
luaL_putwchar(&b, (lua_WChar)s[i]);
luaL_pushresult(&b);
}
return 1;
}
case LUA_TWSTRING:
lua_pushvalue(L, 1);
return 1;
case LUA_TTABLE:
sprintf(buff, "%.40s: %p", lua_type(L, 1), lua_topointer(L, 1));
break;
case LUA_TFUNCTION:
sprintf(buff, "function: %p", lua_topointer(L, 1));
break;
case LUA_TUSERDATA: {
const char *t = lua_typename(L, lua_type(L, 1));
if (strcmp(t, "userdata") == 0)
sprintf(buff, "userdata: %p", lua_touserdata(L, 1));
else
sprintf(buff, "%.40s: %p", t, lua_touserdata(L, 1));
break;
}
case LUA_TNIL:
lua_pushliteral(L, "nil");
return 1;
case LUA_TTHREAD:
sprintf(buff, "thread: %p", (void *)lua_tothread(L, 1));
break;
default:
luaL_argerror(L, 1, "value expected");
}
{
luaL_Buffer b;
size_t l;
size_t i;
const lua_WChar *s = lua_towstring(L, 1);
l = lua_strlen(L, 1);
luaL_wbuffinit(L, &b);
for (i=0; i<l; i++)
luaL_putwchar(&b, (lua_WChar)(s[i]));
luaL_pushresult(&b);
}
/* lua_pushstring(L, buff);*/
return 1;
}
LUALIB_API const lua_WChar *luaL_checklwstring (lua_State *L, int narg, size_t *len) {
const lua_WChar *s = lua_towstring(L, narg);
if (!s) tag_error(L, narg, LUA_TWSTRING);
if (len) *len = lua_strlen(L, narg);
return s;
}
static int LS_LOG( lua_State* L )
{
int n = lua_gettop(L); /* number of arguments */
int i;
lua_getglobal(L, "towstring");
lua_getglobal(L, "tostring");
for (i=1; i<=n; i++) {
const char *s = NULL;
const lua_WChar *ws = NULL;
if (lua_type(L, i) == LUA_TSTRING)
{
s = lua_tostring(L, -1);
}
else if (lua_type(L, i) != LUA_TWSTRING)
{
lua_pushvalue(L, -1); /* function to be called */
lua_pushvalue(L, i); /* value to print */
lua_call(L, 1, 1);
s = lua_tostring(L, -1); /* get result */
if (s == NULL)
return luaL_error(L, "`tostring' must return a string to `print'");
}
else
{
lua_pushvalue(L, -2); /* function to be called */
lua_pushvalue(L, i); /* value to print */
lua_call(L, 1, 1);
ws = lua_towstring(L, -1); /* get result */
if (ws == NULL)
return luaL_error(L, "`tostring' must return a string to `print'");
}
if (i>1)
{
#ifdef WIN32
OutputDebugStringA("\t");
#else
fputs("\t", stdout);
#endif
}
if (s)
{
#ifdef WIN32
OutputDebugStringA(s);
#else
fputs(s, stdout);
#endif
}
else if (ws)
{
wchar_t out[512];
wchar_t* outEnd = out + sizeof(out) - 2;
while (*ws) {
wchar_t* outPos = out;
while (*ws && outPos != outEnd) {
*outPos++ = *ws++;
}
*outPos++ = 0;
#ifdef WIN32
OutputDebugStringW(out);
#else
fputws(out, stdout);
#endif
}
}
lua_pop(L, 1); /* pop result */
}
#ifdef WIN32
OutputDebugStringA("\n");
#else
fputs("\n", stdout);
#endif
return 0;
}
