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executable file 96 lines (81 sloc) 1.86 KB
/* $Id$ */
#include <stdio.h>
#include <stdlib.h>
#include "lua.h"
#include "lualib.h"
#include "lauxlib.h"
static int LUAF_createludata(lua_State *L)
{
lua_pushlightuserdata(L, (void*)321);
return 1;
}
/* A userdata that may be literally persisted */
static int LUAF_boxinteger(lua_State *L)
{
/* num */
int* ptr = lua_newuserdata(L, sizeof(int));
/* num udata */
*ptr = luaL_checkint(L, 1);
lua_newtable(L);
/* num udata mt */
lua_pushstring(L, "__persist");
/* num udata mt "__persist" */
lua_pushboolean(L, 1);
/* num udata mt "__persist" true */
lua_rawset(L, 3);
/* num udata mt */
lua_setmetatable(L, 2);
/* num udata */
return 1;
}
static int LUAF_boxboolean(lua_State *L)
{
/* bool */
char* ptr = lua_newuserdata(L, sizeof(char));
/* bool udata */
*ptr = lua_toboolean(L, 1);
lua_newtable(L);
/* num udata mt */
lua_pushstring(L, "__persist");
/* num udata mt "__persist" */
lua_getglobal(L, "booleanpersist");
/* num udata mt "__persist" booleanpersist */
lua_rawset(L, 3);
/* num udata mt */
lua_setmetatable(L, 2);
/* num udata */
return 1;
}
static int LUAF_unboxboolean(lua_State *L)
{
/* udata */
lua_pushboolean(L, *(char*)lua_touserdata(L, 1));
/* udata bool */
return 1;
}
static int LUAF_onerror(lua_State *L)
{
const char* str = 0;
if(lua_gettop(L) != 0)
{
str = lua_tostring(L, -1);
printf("%s\n",str);
}
return 0;
}
int main()
{
lua_State* L = lua_open();
luaL_openlibs(L);
lua_settop(L, 0);
lua_register(L, "createludata", LUAF_createludata);
lua_register(L, "boxinteger", LUAF_boxinteger);
lua_register(L, "boxboolean", LUAF_boxboolean);
lua_register(L, "unboxboolean", LUAF_unboxboolean);
lua_register(L, "onerror", LUAF_onerror);
lua_pushcfunction(L, LUAF_onerror);
luaL_loadfile(L, "pptest.lua");
lua_pcall(L,0,0,1);
lua_close(L);
return 0;
}