static int db_getinfo(lua_State *L)
{
lua_Debug ar;
int arg;
lua_State *L1 = getthread(L, &arg);
const char *options = luaL_optstring(L, arg + 2, "flnSu");
if (lua_isnumber(L, arg + 1))
{
if (!lua_getstack(L1, (int) lua_tointeger(L, arg + 1), &ar))
{
lua_pushnil(L); /* level out of range */
return 1;
}
}
else if (lua_isfunction(L, arg + 1))
{
lua_pushfstring(L, ">%s", options);
options = lua_tostring(L, -1);
lua_pushvalue(L, arg + 1);
lua_xmove(L, L1, 1);
}
else
return luaL_argerror(L, arg + 1, "function or level expected");
if (!lua_getinfo(L1, options, &ar))
return luaL_argerror(L, arg + 2, "invalid option");
lua_createtable(L, 0, 2);
if (strchr(options, 'S'))
{
settabss(L, "source", ar.source);
settabss(L, "short_src", ar.short_src);
settabsi(L, "linedefined", ar.linedefined);
settabsi(L, "lastlinedefined", ar.lastlinedefined);
settabss(L, "what", ar.what);
}
if (strchr(options, 'l'))
settabsi(L, "currentline", ar.currentline);
if (strchr(options, 'u'))
settabsi(L, "nups", ar.nups);
if (strchr(options, 'n'))
{
settabss(L, "name", ar.name);
settabss(L, "namewhat", ar.namewhat);
}
if (strchr(options, 'L'))
treatstackoption(L, L1, "activelines");
if (strchr(options, 'f'))
treatstackoption(L, L1, "func");
return 1; /* return table */
}
static int getinfo (lua_State *L) {
lua_Debug ar;
const char *options = luaL_opt_string(L, 2, "flnSu");
char buff[20];
if (lua_isnumber(L, 1)) {
if (!lua_getstack(L, (int)lua_tonumber(L, 1), &ar)) {
lua_pushnil(L); /* level out of range */
return 1;
}
}
else if (lua_isfunction(L, 1)) {
lua_pushvalue(L, 1);
sprintf(buff, ">%.10s", options);
options = buff;
}
else
luaL_argerror(L, 1, "function or level expected");
if (!lua_getinfo(L, options, &ar))
luaL_argerror(L, 2, "invalid option");
lua_newtable(L);
for (; *options; options++) {
switch (*options) {
case 'S':
settabss(L, "source", ar.source);
if (ar.source)
settabss(L, "short_src", ar.short_src);
settabsi(L, "linedefined", ar.linedefined);
settabss(L, "what", ar.what);
break;
case 'l':
settabsi(L, "currentline", ar.currentline);
break;
case 'u':
settabsi(L, "nups", ar.nups);
break;
case 'n':
settabss(L, "name", ar.name);
settabss(L, "namewhat", ar.namewhat);
break;
case 'f':
lua_pushstring(L, "func");
lua_pushvalue(L, -3);
lua_settable(L, -3);
break;
}
}
return 1; /* return table */
}
static lua_Object getfuncinfo (lua_Object func) {
lua_Object result = lua_createtable();
char *str;
int line;
lua_funcinfo(func, &str, &line);
if (line == -1) /* C function? */
settabss(result, "kind", "C");
else if (line == 0) { /* "main"? */
settabss(result, "kind", "chunk");
settabss(result, "source", str);
}
else { /* Lua function */
settabss(result, "kind", "Lua");
settabsi(result, "def_line", line);
settabss(result, "source", str);
}
if (line != 0) { /* is it not a "main"? */
char *kind = lua_getobjname(func, &str);
if (*kind) {
settabss(result, "name", str);
settabss(result, "where", kind);
}
}
return result;
}
/*
** Calls 'lua_getinfo' and collects all results in a new table.
** L1 needs stack space for an optional input (function) plus
** two optional outputs (function and line table) from function
** 'lua_getinfo'.
*/
static int db_getinfo (lua_State *L) {
lua_Debug ar;
int arg;
lua_State *L1 = getthread(L, &arg);
const char *options = luaL_optstring(L, arg+2, "flnStu");
checkstack(L, L1, 3);
if (lua_isfunction(L, arg + 1)) { /* info about a function? */
options = lua_pushfstring(L, ">%s", options); /* add '>' to 'options' */
lua_pushvalue(L, arg + 1); /* move function to 'L1' stack */
lua_xmove(L, L1, 1);
}
else { /* stack level */
if (!lua_getstack(L1, (int)luaL_checkinteger(L, arg + 1), &ar)) {
lua_pushnil(L); /* level out of range */
return 1;
}
}
if (!lua_getinfo(L1, options, &ar))
return luaL_argerror(L, arg+2, "invalid option");
lua_newtable(L); /* table to collect results */
if (strchr(options, 'S')) {
settabss(L, "source", ar.source);
settabss(L, "short_src", ar.short_src);
settabsi(L, "linedefined", ar.linedefined);
settabsi(L, "lastlinedefined", ar.lastlinedefined);
settabss(L, "what", ar.what);
}
if (strchr(options, 'l'))
settabsi(L, "currentline", ar.currentline);
if (strchr(options, 'u')) {
settabsi(L, "nups", ar.nups);
settabsi(L, "nparams", ar.nparams);
settabsb(L, "isvararg", ar.isvararg);
}
if (strchr(options, 'n')) {
settabss(L, "name", ar.name);
settabss(L, "namewhat", ar.namewhat);
}
if (strchr(options, 't'))
settabsb(L, "istailcall", ar.istailcall);
if (strchr(options, 'L'))
treatstackoption(L, L1, "activelines");
if (strchr(options, 'f'))
treatstackoption(L, L1, "func");
return 1; /* return table */
}
static void getstack (void) {
lua_Object func = lua_stackedfunction(luaL_check_int(1));
if (func == LUA_NOOBJECT) /* level out of range? */
return;
else {
lua_Object result = getfuncinfo(func);
int currline = lua_currentline(func);
if (currline > 0)
settabsi(result, "current", currline);
lua_pushobject(result);
lua_pushstring("func");
lua_pushobject(func);
lua_settable(); /* result.func = func */
lua_pushobject(result);
}
}
static int db_getinfo (lua_State *L) {
lua_Debug ar;
int arg;
//add by cuiwei 07.8.30
int i;
char aparms[1024] = {0};
//add end
lua_State *L1 = getthread(L, &arg);
const char *options = luaL_optstring(L, arg+2, "flnSu");
if (lua_isnumber(L, arg+1)) {
if (!lua_getstack(L1, (int)lua_tointeger(L, arg+1), &ar)) {
lua_pushnil(L); /* level out of range */
return 1;
}
}
else if (lua_isfunction(L, arg+1)) {
lua_pushfstring(L, ">%s", options);
options = lua_tostring(L, -1);
lua_pushvalue(L, arg+1);
lua_xmove(L, L1, 1);
}
else
return luaL_argerror(L, arg+1, "function or level expected");
if (!lua_getinfo(L1, options, &ar))
return luaL_argerror(L, arg+2, "invalid option");
lua_createtable(L, 0, 2);
if (strchr(options, 'S')) {
settabss(L, "source", ar.source);
settabss(L, "short_src", ar.short_src);
settabsi(L, "linedefined", ar.linedefined);
settabsi(L, "lastlinedefined", ar.lastlinedefined);
settabss(L, "what", ar.what);
}
if (strchr(options, 'l'))
settabsi(L, "currentline", ar.currentline);
if (strchr(options, 'u'))
{
settabsi(L, "nups", ar.nups);
//add by cuiwei 07.8.30
if (ar.what != "C" )
{
settabsi(L, "npars", ar.npars);
settabsi(L, "has3dot", ar.has3dot?1:0);
for ( i = 1; i <= ar.npars; i++ )
{
strcat(aparms, ar.parms[i-1]);
if ( i != ar.npars || ar.has3dot)
{
strcat(aparms, ",");
}
}
if ( ar.has3dot )
{
strcat(aparms, "...");
} settabss(L, "strparms", aparms);
}
//add end
}
if (strchr(options, 'n')) {
settabss(L, "name", ar.name);
settabss(L, "namewhat", ar.namewhat);
}
if (strchr(options, 'L'))
treatstackoption(L, L1, "activelines");
if (strchr(options, 'f'))
treatstackoption(L, L1, "func");
return 1; /* return table */
}