我想用 lua_dump 或 luaU_dump 导出一个二进制块。
错误:返回只有 <-LuaR
代码没有编译错误或静态问题,只有 <-LuaR 返回
我能做些什么?导致问题?
private:
const char* buildLua(QString luaScript)
{
const Proto* f;
char *byteCode = 0L;
size_t byteCodeLen = 0;
wdata wd = { &byteCodeLen, &byteCode };
string ts = luaScript.toStdString();
const char* cs;
lua_State *L = luaL_newstate();
f=combine(L,0);
luaL_loadstring(L,ts.c_str());
luaL_openlibs(L);
lua_lock(L);
luaU_dump(L,f,kpt_lua_Writer,&wd,1);
lua_unlock(L);
lua_close(L);
cs = byteCode;
return cs;
}
static const char* kpt_lua_Reader(lua_State *L, void *ud, size_t *size)
{
UNUSED(L);
if ((*(int*)ud)--)
{
*size=sizeof(FUNCTION)-1;
return FUNCTION;
}
else
{
*size=0;
return NULL;
}
}
static int kpt_lua_Writer(lua_State * /*l*/, const void *p, size_t sz, void *ud)
{
wdata *wd = (wdata *)ud;
char *newData;
if((newData = (char *)realloc(*(wd->data), (*(wd->len)) + sz))) {
memcpy(newData + (*(wd->len)), p, sz);
*(wd->data) = newData;
*(wd->len) += sz;
} else {
free(newData);
return 1;
}
return 0;
}
static const Proto* combine(lua_State* L, int n)
{
if (n==1)
return toproto(L,-1);
else
{
Proto* f;
int i=n;
if (lua_load(L,kpt_lua_Reader,&i,"=(keppedev)",NULL)!=LUA_OK) fatal(lua_tostring(L,-1));
f=toproto(L,-1);
for (i=0; i<n; i++)
{
f->p[i]=toproto(L,i-n-1);
if (f->p[i]->sizeupvalues>0) f->p[i]->upvalues[0].instack=0;
}
f->sizelineinfo=0;
return f;
}
}
static void fatal(const char* message)
{
QWidget *widget = new QWidget();
QMessageBox::warning(widget,"Keppe Develop",message);
}