Function main

examples/source/tutorials/quick_n_dirty/running_lua_code_low_level.cpp:8–48

#include <cstdio>

int main(int, char*[]) {
	std::cout << "=== running lua code (low level) ==="
	          << std::endl;

	{
		std::ofstream out("a_lua_script.lua");
		out << "print('hi from a lua script file')";
	}

	sol::state lua;
	lua.open_libraries(sol::lib::base);

	// load file without execute
	sol::load_result script1
	     = lua.load_file("a_lua_script.lua");
	// execute
	script1();

	// load string without execute
	sol::load_result script2 = lua.load("a = 'test'");
	// execute
	sol::protected_function_result script2result = script2();
	// optionally, check if it worked
	if (script2result.valid()) {
		// yay!
	}
	else {
		// aww
	}

	sol::load_result script3 = lua.load("return 24");
	// execute, get return value
	int value2 = script3();
	SOL_ASSERT(value2 == 24);

	std::cout << std::endl;

	{ std::remove("a_lua_script.lua"); }

	return 0;
}