135 lines
4.4 KiB
C++
135 lines
4.4 KiB
C++
// nameof example
|
|
//
|
|
// Licensed under the MIT License <http://opensource.org/licenses/MIT>.
|
|
// Copyright (c) 2018 Daniil Goncharov <neargye@gmail.com>.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in all
|
|
// copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
// SOFTWARE.
|
|
|
|
#include <nameof.hpp>
|
|
|
|
#include <iostream>
|
|
#include <stdexcept>
|
|
|
|
struct SomeStruct {
|
|
int somefield;
|
|
|
|
void SomeMethod1(const int i) {
|
|
somefield = i;
|
|
std::cout << "No called!" << std::endl;
|
|
}
|
|
|
|
int SomeMethod2() const {
|
|
std::cout << "No called!" << std::endl;
|
|
return somefield;
|
|
}
|
|
};
|
|
|
|
void SomeMethod3() { std::cout << "No called!" << std::endl; }
|
|
|
|
struct Long {
|
|
struct LL {
|
|
int field;
|
|
};
|
|
LL ll;
|
|
};
|
|
|
|
int somevar;
|
|
|
|
enum class Color { RED, GREEN, BLUE };
|
|
|
|
void TestCase1() {
|
|
SomeStruct somevar;
|
|
Long othervar;
|
|
int intvar;
|
|
SomeStruct* ptrvar;
|
|
SomeStruct** ptrptrvar;
|
|
|
|
// constexpr
|
|
constexpr auto constexpr_work_fine = NAMEOF(intvar);
|
|
std::cout << constexpr_work_fine << std::endl; // intvar
|
|
// enum
|
|
std::cout << NAMEOF(Color::RED) << std::endl; // RED
|
|
// variable
|
|
std::cout << NAMEOF(somevar) << std::endl; // somevar
|
|
std::cout << NAMEOF(::somevar) << std::endl; // somevar
|
|
std::cout << NAMEOF(&somevar) << std::endl; // somevar
|
|
// member
|
|
std::cout << NAMEOF(somevar.somefield) << std::endl; // somefield
|
|
std::cout << NAMEOF((&somevar)->somefield) << std::endl; // somefield
|
|
// member
|
|
std::cout << NAMEOF(othervar.ll.field) << std::endl; // field
|
|
// variable
|
|
std::cout << NAMEOF(ptrvar) << std::endl; // ptrvar
|
|
std::cout << NAMEOF(*ptrvar) << std::endl; // ptrvar
|
|
// variable
|
|
std::cout << NAMEOF(ptrptrvar) << std::endl; // ptrptrvar
|
|
std::cout << NAMEOF(*ptrptrvar) << std::endl; // ptrptrvar
|
|
std::cout << NAMEOF(**ptrptrvar) << std::endl; // ptrptrvar
|
|
// variable
|
|
std::cout << NAMEOF(+intvar) << std::endl; // intvar
|
|
std::cout << NAMEOF(-intvar) << std::endl; // intvar
|
|
std::cout << NAMEOF(~intvar) << std::endl; // intvar
|
|
std::cout << NAMEOF(!intvar) << std::endl; // intvar
|
|
// function
|
|
std::cout << NAMEOF(&SomeStruct::SomeMethod2) << std::endl; // SomeMethod2
|
|
std::cout << NAMEOF(SomeMethod3) << std::endl; // SomeMethod3
|
|
// type
|
|
std::cout << NAMEOF(int[]) << std::endl; // int[]
|
|
std::cout << NAMEOF(SomeStruct) << std::endl; // SomeStruct
|
|
std::cout << NAMEOF(Long::LL) << std::endl; // LL
|
|
std::cout << NAMEOF(volatile const int) << std::endl; // volatile const int
|
|
// macros
|
|
std::cout << NAMEOF(__LINE__) << std::endl; // __LINE__
|
|
std::cout << NAMEOF(__FILE__) << std::endl; // __FILE__
|
|
// full name
|
|
std::cout << NAMEOF_FULL(somevar.somefield) << std::endl; // somevar.somefield
|
|
std::cout << NAMEOF_FULL(&SomeStruct::SomeMethod2) << std::endl; // &SomeStruct::SomeMethod2
|
|
std::cout << NAMEOF_FULL(Long::LL) << std::endl; // Long::LL
|
|
std::cout << NAMEOF_FULL(std::string) << std::endl; // std::string
|
|
}
|
|
|
|
void TestCase2() {
|
|
const auto div = [](int x, int y) {
|
|
if (y == 0) {
|
|
throw std::invalid_argument(std::string(NAMEOF(y)).append(" should not be zero!"));
|
|
}
|
|
return x / y;
|
|
};
|
|
|
|
try {
|
|
const int z = div(10, 0);
|
|
std::cout << z << std::endl;
|
|
} catch (const std::exception& e) {
|
|
std::cout << e.what() << std::endl; // y should not be zero!
|
|
}
|
|
}
|
|
|
|
void TestCase3() {
|
|
std::cout << NAMEOF(TestCase3) << " method entry" << std::endl; // TestCase3 method entry
|
|
}
|
|
|
|
int main() {
|
|
TestCase1();
|
|
|
|
TestCase2();
|
|
|
|
TestCase3();
|
|
|
|
return 0;
|
|
}
|