本文整理汇总了C++中state::load_file方法的典型用法代码示例。如果您正苦于以下问题：C++ state::load_file方法的具体用法？C++ state::load_file怎么用？C++ state::load_file使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类state的用法示例。
在下文中一共展示了state::load_file方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: cleaner
/// Loads and processes a Lua file.
///
/// This is a replacement for luaL_dofile but with proper error reporting
/// and stack control.
///
/// \param s The Lua state.
/// \param file The file to load.
/// \param nresults The number of results to expect; -1 for any.
///
/// \return The number of results left on the stack.
///
/// \throw error If there is a problem processing the file.
unsigned int
lutok::do_file(state& s, const std::string& file, const int nresults)
{
assert(nresults >= -1);
const int height = s.get_top();
stack_cleaner cleaner(s);
try {
s.load_file(file);
s.pcall(0, nresults == -1 ? LUA_MULTRET : nresults, 0);
} catch (const lutok::api_error& e) {
throw lutok::error("Failed to load Lua file '" + file + "': " +
e.what());
}
cleaner.forget();
const int actual_results = s.get_top() - height;
assert(nresults == -1 || actual_results == nresults);
assert(actual_results >= 0);
return static_cast< unsigned int >(actual_results);
}