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[/] [s80186/] [trunk/] [sim/] [Fifo.h] - Rev 2
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// Copyright Jamie Iles, 2017 // // This file is part of s80x86. // // s80x86 is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // s80x86 is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with s80x86. If not, see <http://www.gnu.org/licenses/>. #pragma once #include <stdexcept> #include <vector> template <typename T> class Fifo { public: explicit Fifo(unsigned int max_depth) : max_depth(max_depth) { } T pop() { if (entries.size() == 0) throw std::underflow_error("Fifo underflow"); T e = *entries.begin(); entries.erase(entries.begin()); return e; } void push(T e) { if (is_full()) throw std::overflow_error("Fifo overflow"); entries.push_back(e); } bool is_full() const { return entries.size() == max_depth; } private: const unsigned int max_depth; std::vector<T> entries; };