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// lua_conf.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include "lua_conf.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
namespace
{
static int traceback (lua_State *L) {
if (!lua_isstring(L, 1)) /* 'message' not a string? */
return 1; /* keep it intact */
lua_getfield(L, LUA_GLOBALSINDEX, "debug");
if (!lua_istable(L, -1)) {
lua_pop(L, 1);
return 1;
}
lua_getfield(L, -1, "traceback");
if (!lua_isfunction(L, -1)) {
lua_pop(L, 2);
return 1;
}
lua_pushvalue(L, 1); /* pass error message */
lua_pushinteger(L, 2); /* skip this function and traceback */
lua_call(L, 2, 1); /* call debug.traceback */
return 1;
}
static void l_message (const char *pname, const char *msg)
{
if (pname) fprintf(stderr, "%s: ", pname);
fprintf(stderr, "%s\n", msg);
fflush(stderr);
}
static int report (lua_State *L, int status)
{
if (status && !lua_isnil(L, -1)) {
const char *msg = lua_tostring(L, -1);
if (msg == NULL) msg = "(error object is not a string)";
l_message(__FILE__, msg);
lua_pop(L, 1);
}
return status;
}
static int docall (lua_State *L, int narg, int clear)
{
int status;
int base = lua_gettop(L) - narg; /* function index */
lua_pushcfunction(L, traceback); /* push traceback function */
lua_insert(L, base); /* put it under chunk and args */
status = lua_pcall(L, narg, (clear ? 0 : LUA_MULTRET), base);
lua_remove(L, base); /* remove traceback function */
/* force a complete garbage collection in case of errors */
if (status != 0) lua_gc(L, LUA_GCCOLLECT, 0);
return status;
}
static int dostring (lua_State *L, const char *s) {
const char *name = "dostring";
int status = luaL_loadbuffer(L, s, strlen(s), name) || docall(L, 0, 1);
return report(L, status);
}
}
using namespace std;
int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
lua_State* L = luaWDS_open();
if(L)
{
const char* _dostring = "function dumptable(T,t)\n\
print '--------------------------'\n\
print(T)\n\
print '--------------------------'\n\
for k,v in pairs(t)do print(k,v) end\n\
end\n\
\n\
dumptable('package', package)\n\
dumptable('package.loaded', package.loaded)\n\
dumptable('package.loaders', package.loaders)\n\
dumptable('package.loaded._G', package.loaded._G)\n\
print '--------------------------'\n\
print('_G = ', _G)\n\
print('package.loaded._G = ', package.loaded._G)\n\
";
dostring(L, _dostring);
fprintf(stderr, "---------------------------\n");
int ret = luaL_dofile(L, "..\\lua_conf.lua");
if(ret)
{
fprintf(stderr, "%s", lua_tostring(L, -1));
lua_pop(L, 1); /* pop error message from the stack */
lua_close(L);
return EXIT_FAILURE;
}
lua_close(L);
return EXIT_SUCCESS;
}
return EXIT_FAILURE;
}
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