Function main

examples/source/custom_reader.cpp:53–101

}

int main() {
	std::cout << "=== custom reader ===" << std::endl;

	// make a file to use for the custom reader
	{
		std::ofstream bjork("bjork.lua", std::ios::binary);
		bjork << "print('hello!')\n";
	}
	struct on_scope_exit {
		~on_scope_exit() {
			// remove file when done
			std::remove("bjork.lua");
		}
	} remove_on_exit;


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

	FILE* bjork_fp;
#ifdef _MSC_VER
	if (fopen_s(&bjork_fp, "bjork.lua", "r") != 0) {
		std::cerr << "failed to open bjork.lua -- exiting"
		          << std::endl;
		return -1;
	}
#else
	bjork_fp = fopen("bjork.lua", "r");
#endif
	if (bjork_fp == nullptr) {
		std::cerr << "failed to open bjork.lua -- exiting"
		          << std::endl;
		return -1;
	}
	custom_reader reader(bjork_fp);

	// load the code using our custom reader, then run it
	auto result = lua.safe_script(custom_reader_function,
	     &reader,
	     sol::script_pass_on_error);
	// make sure we ran loaded and ran the code successfully
	SOL_ASSERT(result.valid());

	// note there are lua.load( ... ) variants that take a
	// custom reader than JUST run the code, too!

	std::cout << std::endl;
	return 0;
}