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2014/06/14

C++N3242, 2011 (32) 5.2.8 Type identification

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// 1 filename:cpp2011-5-2-8.cpp
// ver 0.1 June.12, 2014
//
// 2 original examples and/or notes:
// (c) ISO/IEC JTC1 SC22 WG21 N3242, April 12, 2011
// http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2011/n3242.pdf
// > 5 Expressions 5.2 Postfix expressions 5.2.8 Type identification
//
// 3 compile and output mechanism:
// (c) Dr. OGAWA Kiyoshi, kaizen at gifu-u.ac.jp,
//
// 4 compile errors and/or warnings:
// 4.1(c) Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
// Target: x86_64-apple-darwin13.2.0,  Thread model: posix
// Command/Options: c++ -std=c++11 -stdlib=libc++ -Wall cpp2011-5-2-8.cpp 
// (c) LLVM 2003-2009 University of Illinois at Urbana-Champaign.

// 4.2. g++-4.9 (GCC) 4.9.0 20131229 (experimental)
// Copyright (C) 2013 Free Software Foundation, Inc.
// This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// http://gcc.gnu.org/onlinedocs/gcc/Standards.html
// Command/Options: g++-4.9  -std=c++11  -Wall cpp2011-5-2-8.cpp 
// g++-4.9: error: unrecognized command line option '-stdlib=libc++'
// Configuration:brew install gcc49
//
// 4.3. Visual Studio Express 2013, 
// (c) Microsoft http://www.visualstudio.com/
// SPEC:
// Windows 7, .NET Framework
// (c) VMware, Inc.
// VMWare fusion 6
//
// 5. Hardware:  MacBook Pro, 
//(c) Intel http://ark.intel.com/products/37006/
//Core 2 Duo 2.53GHz, 8GB, 1067MHz DDR3
//
// 6. Special Thanks: Upper organizatios and 
// ITSCJ/IPSJ http://www.itscj.ipsj.or.jp/itscj_english/index.html
// Renesas Electronics Corporation.http://www.renesas.com/
// NPO SESSAME project, http://www.sessame.jp/workinggroup/WorkingGroup3/
// Toyo Corporation, http://www.toyo.co.jp/English/
// Japan Standard Association, http://bit.ly/1lzykg1
// NPO TOPPERS project, https://www.toppers.jp/asp-d-download.html
// Daido Universcity, http://www.daido-it.ac.jp/gakubugakka/computer/index.html
// WITZ Co.Ltd., http://www.witz-inc.co.jp/products/solution/solution.html
// SevenWise.co., http://www.7ws.co.jp/index.html
// TOYOTA Motor Corporation, http://toyota.jp/
// IT planning Inc., http://www.itpl.co.jp/en/index.html
// DENSO Corporation, http://www.globaldenso.com/en/
// Aisin Seiki co. Ltd., http://www.aisin.com/
// Spancion Inc., http://www.spansion.com/
// Yazaki Corporation, http://www.yazaki-group.com/global/
// Pananosic Corporation, http://www.panasonic.net/
// SWEST: Summer Workshop on Embedded System Technologies , http://swest.toppers.jp
// CEST: Consortium for Embedded System Technology, http://www.ertl.jp/CEST/
// JUSE: Union of Japanese Scientists and Engineers, http://www.juse.or.jp/e/
// OSC:Open Source Conference, http://www.ospn.jp/

#include <iostream>
//#include <cstdlib>
//#include <string.h>
//#include <cstring>
//#include <type_traits>
//#include <cassert>
//#include <algorithm>
//#include <cmath>

using namespace std;

class D { 
public:D(){cout << this<<std::endl;};
/* ... */ };
D d1;
const D d2;
typeid(d1) == typeid(d2); // yields true
typeid(D) == typeid(const D); // yields true
typeid(D) == typeid(d2); // yields true
typeid(D) == typeid(const D&); // yields true

int main() {
//std::cout << x[1] << std::endl << x[2] << std::endl;
cout << "5 Expressions 5.2 Postfix expressions 5.2.8 Type identification"<<std::endl;
return 0;
}
// error: c++ -std=c++11 -stdlib=libc++ -Wall cpp2011-5-2-8.cpp 
cpp2011-5-2-8.cpp:75:1: error: expected unqualified-id
typeid(d1) == typeid(d2); // yields true
^
cpp2011-5-2-8.cpp:76:1: error: expected unqualified-id
typeid(D) == typeid(const D); // yields true
^
cpp2011-5-2-8.cpp:77:1: error: expected unqualified-id
typeid(D) == typeid(d2); // yields true
^
cpp2011-5-2-8.cpp:78:1: error: expected unqualified-id
typeid(D) == typeid(const D&); // yields true
^
4 errors generated.

ps.20180520追記
----修正 関数の中に入れる。

#include <iostream>

using namespace std;

class D {
public:D(){cout << this<<std::endl;};
/* ... */ };
D d1;
const D d2;
int main(){

cout << "(typeid(d1) == typeid(d2))="<<(typeid(d1) == typeid(d2))<<endl; // yields true
cout <<"(typeid(D) == typeid(const D))="<< (typeid(D) == typeid(const D))<<endl; // yields true
cout <<"(typeid(D) == typeid(d2))"<< (typeid(D) == typeid(d2))<< endl; // yields true
cout <<"(typeid(D) == typeid(const D&))"<< (typeid(D) == typeid(const D&))<<endl; // yields true
cout << "5 Expressions 5.2 Postfix expressions 5.2.8 Type identification"<<std::endl;
return 0;
}
---
$ clang++ cpp2011-5-2-8.cpp  -std=c++2a -Wall
0x105ea3108
0x105ea3109
(typeid(d1) == typeid(d2))=1
(typeid(D) == typeid(const D))=1
(typeid(D) == typeid(d2))1
(typeid(D) == typeid(const D&))1
5 Expressions 5.2 Postfix expressions 5.2.8 Type identification


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