lab0 published

.gitignore

-build/
-.cache/
\ No newline at end of file

.vscode/launch.json

-{
-    // 使用 IntelliSense 了解相关属性。 
-    // 悬停以查看现有属性的描述。
-    // 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
-    "version": "0.2.0",
-    "configurations": [
-        {
-            "type": "lldb",
-            "request": "launch",
-            "name": "Debug",
-            "program": "${workspaceFolder}/build/src/lab0_debug",
-            "args": [
-                "-t",
-            ],
-            "cwd": "${workspaceFolder}"
-        }
-    ]
-}
\ No newline at end of file

CMakeLists.txt

-cmake_minimum_required(VERSION 3.5.0)
-project(stl_debug VERSION 0.1.0 LANGUAGES C CXX)
-
-set(CMAKE_CXX_STANDARD 17)
-
-set(default_build_type "Debug")
-
-INCLUDE_DIRECTORIES(
-    include
-)
-
-add_subdirectory(src)
-

README.md

+- Lab0 已经发布 `git checkout lab0`
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include/Human.hpp

-#pragma once
-#include <string>
-class Human
-{
-private:
-    /* data */
-    std::string name_;
-    int age_;
-public:
-    explicit Human(int age, const std::string name = "") : name_(name), age_(age) {};
-    virtual ~Human();
-    virtual std::string print() const;
-
-};

include/Student.hpp

-#pragma once
-
-#include "Human.hpp"
-#include <string>
-
-class Student : public Human
-{
-private:
-    /* data */
-    std::string school_;
-public:
-    Student() = delete; 
-    explicit Student(int age, const std::string name = "", const std::string school = "") : Human(age, name), school_(school) {};
-    virtual ~Student() override;
-    virtual std::string print() const override;
-};
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include/logging.hpp

-#ifndef LOGGING_HPP
-#define LOGGING_HPP
-
-#include <iostream>
-#include <sstream>
-#include <cstdlib>
-
-enum LogLevel
-{
-    DEBUG = 0,
-    INFO,
-    WARNING,
-    ERROR
-};
-struct LocationInfo
-{
-    LocationInfo(std::string file, int line, const char *func) : file_(file), line_(line), func_(func) {}
-    ~LocationInfo() = default;
-
-    std::string file_;
-    int line_;
-    const char *func_;
-};
-class LogStream;
-class LogWriter;
-
-class LogWriter
-{
-public:
-    LogWriter(LocationInfo location, LogLevel loglevel)
-        : location_(location), log_level_(loglevel)
-    {
-        char *logv = std::getenv("LOGV");
-        if (logv)
-        {
-            std::string string_logv = logv;
-            env_log_level = std::stoi(logv);
-        }
-        else
-        {
-            env_log_level = 4;
-        }
-    };
-
-    void operator<(const LogStream &stream);
-
-private:
-    void output_log(const std::ostringstream &g);
-    LocationInfo location_;
-    LogLevel log_level_;
-    int env_log_level;
-};
-
-class LogStream
-{
-public:
-    template <typename T>
-    LogStream &operator<<(const T &val) noexcept
-    {
-        sstream_ << val;
-        return *this;
-    }
-
-    friend class LogWriter;
-
-private:
-    std::stringstream sstream_{};
-};
-
-std::string level2string(LogLevel level);
-std::string get_short_name(const char *file_path);
-
-#define __FILESHORTNAME__ get_short_name(__FILE__)
-#define LOG_IF(level) \
-    LogWriter(LocationInfo(__FILESHORTNAME__, __LINE__, __FUNCTION__), level) < LogStream()
-#define LOG(level) LOG_##level
-#define LOG_DEBUG LOG_IF(DEBUG)
-#define LOG_INFO LOG_IF(INFO)
-#define LOG_WARNING LOG_IF(WARNING)
-#define LOG_ERROR LOG_IF(ERROR)
-
-#endif

src/CMakeLists.txt

-add_executable(
-    lab0_debug main.cpp Human.cpp Student.cpp logging.cpp
-)
\ No newline at end of file

src/Human.cpp

-#include "Human.hpp"
-#include <string>
-#include <sstream>
-
-Human::~Human() {
-    printf("Human destructor called\n");
-}
-
-std::string Human::print() const {
-    std::string res;
-    std::stringstream ss;
-    ss << "My name is " << name_ << " and I am " << age_ << " years old\n";
-    ss >> res;
-    return res;
-}
\ No newline at end of file

src/Student.cpp

-#include "Student.hpp"
-#include "Human.hpp"
-#include "cstring"
-#include <sstream>
-#include <string>
-
-Student::~Student() {
-    printf("Student destructor called\n");
-}
-
-std::string Student::print() const {
-    std::string res;
-    std::stringstream ss;
-    ss << Human::print();
-    ss << "I'm from " << school_ << "\n";
-    ss >> res;
-    return res;
-}
\ No newline at end of file

src/logging.cpp

-#include "logging.hpp"
-
-void LogWriter::operator<(const LogStream &stream) {
-    std::ostringstream msg;
-    msg << stream.sstream_.rdbuf();
-    output_log(msg);
-}
-
-void LogWriter::output_log(const std::ostringstream &msg) {
-    if (log_level_ >= env_log_level)
-        std::cout << "[" << level2string(log_level_) << "] " 
-                    << "(" <<  location_.file_ 
-                    << ":" << location_.line_ 
-                    << "L  "<< location_.func_<<")"
-                    << msg.str() << std::endl;
-
-}
-std::string level2string(LogLevel level) {
-    switch (level)
-    {
-        case DEBUG:
-            return "DEBUG";
-            
-        case INFO:
-            return "INFO";
-
-        case WARNING:
-            return "WARNING";
-
-        case ERROR:
-            return "ERROR";
-
-        default:
-            return "";
-    }
-}
-std::string get_short_name(const char * file_path) {
-    std::string short_file_path = file_path;
-    int index = short_file_path.find_last_of('/');
-
-    return short_file_path.substr(index+1);
-}

src/main.cpp

-#include <iostream>
-#include <string>
-#include <stdio.h>
-#include "Human.hpp"
-#include "Student.hpp"
-#include "logging.hpp"
-#include <vector>
-
-class check{
-    public:
-    explicit check(Student* student){
-        printf("Student object created\n");
-    }
-};
-
-int main(int argc, char** argv){
-    if(argc == 1 || std::string(argv[1]) != "-t"){
-        std::cerr << "error: invalid argument\n";
-        exit(-1);
-    }
-    printf("Hello, from stl_debug!\n");
-    std::vector<Human*> vec;
-    Human human(25, "John Doe");
-    Student student(20, "Jane Doe", "MIT");
-    vec.push_back(&human);
-    vec.push_back(&student);
-    for (const auto& h : vec) {
-        std::cout << h->print();
-    }
-    // auto student1 = new Student();   //TODO: Error 1 : why?
-    auto student1 = static_cast<Student*>(vec.back());
-    // check check1 = check(student);   //TODO: Error 2 : why?
-    check check1 = check(student1);
-    // LOG(DEBUG) << student1->print();
-    // LOG(WARNING) << human.print();
-
-    // std::list<int> list;
-    // list.push_back(1);
-    // for(auto i: list){
-    //     list.remove(i);
-    // }
-    return 0;
-}