64 lines
1.0 KiB
C++
64 lines
1.0 KiB
C++
|
#define SOL_ALL_SAFETIES_ON 1
|
||
|
|
#include <sol/sol.hpp>
|
||
|
|
|
||
|
|
#include <vector>
|
||
|
|
#include <iostream>
|
||
|
|
|
||
|
|
int main(int, char**) {
|
||
|
|
std::cout << "=== containers ===" << std::endl;
|
||
|
|
|
||
|
|
sol::state lua;
|
||
|
|
lua.open_libraries();
|
||
|
|
|
||
|
|
lua.script(R"(
|
||
|
|
function f (x)
|
||
|
|
print("container has:")
|
||
|
|
for k=1,#x do
|
||
|
|
v = x[k]
|
||
|
|
print("\t", k, v)
|
||
|
|
end
|
||
|
|
print()
|
||
|
|
end
|
||
|
|
)");
|
||
|
|
|
||
|
|
// Have the function we
|
||
|
|
// just defined in Lua
|
||
|
|
sol::function f = lua["f"];
|
||
|
|
|
||
|
|
// Set a global variable called
|
||
|
|
// "arr" to be a vector of 5 lements
|
||
|
|
lua["arr"] = std::vector<int> { 2, 4, 6, 8, 10 };
|
||
|
|
|
||
|
|
// Call it, see 5 elements
|
||
|
|
// printed out
|
||
|
|
f(lua["arr"]);
|
||
|
|
|
||
|
|
// Mess with it in C++
|
||
|
|
// Containers are stored as userdata, unless you
|
||
|
|
// use `sol::as_table()` and `sol::as_table_t`.
|
||
|
|
std::vector<int>& reference_to_arr = lua["arr"];
|
||
|
|
reference_to_arr.push_back(12);
|
||
|
|
|
||
|
|
// Call it, see *6* elements
|
||
|
|
// printed out
|
||
|
|
f(lua["arr"]);
|
||
|
|
|
||
|
|
lua.script(R"(
|
||
|
|
arr:add(28)
|
||
|
|
)");
|
||
|
|
|
||
|
|
// Call it, see *7* elements
|
||
|
|
// printed out
|
||
|
|
f(lua["arr"]);
|
||
|
|
|
||
|
|
lua.script(R"(
|
||
|
|
arr:clear()
|
||
|
|
)");
|
||
|
|
|
||
|
|
// Now it's empty
|
||
|
|
f(lua["arr"]);
|
||
|
|
|
||
|
|
std::cout << std::endl;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|