h1-mod/deps/sol2/examples/source/dump.cpp
2024-03-07 00:54:32 -05:00

46 lines
1.1 KiB
C++

#define SOL_ALL_SAFETIES_ON 1
#include <sol/sol.hpp>
#include <iostream>
int main() {
std::cout << "=== dump (serialize between states) ==="
<< std::endl;
// 2 states, transferring function from 1 to another
sol::state lua;
sol::state lua2;
// we're not going to run the code on the first
// state, so we only actually need
// the base lib on the second state
// (where we will run the serialized bytecode)
lua2.open_libraries(sol::lib::base);
// load this code (but do not run)
sol::load_result lr
= lua.load("a = function (v) print(v) return v end");
// check if it's sucessfully loaded
SOL_ASSERT(lr.valid());
// turn it into a function, then dump the bytecode
sol::protected_function target
= lr.get<sol::protected_function>();
sol::bytecode target_bc = target.dump();
// reload the byte code
// in the SECOND state
auto result2 = lua2.safe_script(
target_bc.as_string_view(), sol::script_pass_on_error);
// check if it was done properly
SOL_ASSERT(result2.valid());
// check in the second state if it was valid
sol::protected_function pf = lua2["a"];
int v = pf(25557);
SOL_ASSERT(v == 25557);
return 0;
}