1#===----------------------------------------------------------------------===## 2# 3# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4# See https://llvm.org/LICENSE.txt for license information. 5# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6# 7#===----------------------------------------------------------------------===## 8 9# Test that headers are not tripped up by the surrounding code defining various 10# alphabetic macros. 11 12# RUN: %{python} %s %{libcxx}/utils 13 14import sys 15sys.path.append(sys.argv[1]) 16from libcxx.header_information import lit_header_restrictions, public_headers 17 18for header in public_headers: 19 print(f"""\ 20//--- {header}.compile.pass.cpp 21{lit_header_restrictions.get(header, '')} 22 23#define SYSTEM_RESERVED_NAME This name should not be used in libc++ 24 25// libc++ does not use single-letter names as a matter of principle. 26// But Windows' own <wchar.h>, <math.h>, and <exception> use many of these 27// (at least C,E,F,I,M,N,P,S,X,Y,Z) as uglified function parameter names, 28// so don't define these on Windows. 29// 30#ifndef _WIN32 31#define _A SYSTEM_RESERVED_NAME 32#define _B SYSTEM_RESERVED_NAME 33#define _C SYSTEM_RESERVED_NAME 34#define _D SYSTEM_RESERVED_NAME 35#define _E SYSTEM_RESERVED_NAME 36#define _F SYSTEM_RESERVED_NAME 37#define _G SYSTEM_RESERVED_NAME 38#define _H SYSTEM_RESERVED_NAME 39#define _I SYSTEM_RESERVED_NAME 40#define _J SYSTEM_RESERVED_NAME 41#define _K SYSTEM_RESERVED_NAME 42#define _L SYSTEM_RESERVED_NAME 43#define _M SYSTEM_RESERVED_NAME 44#define _N SYSTEM_RESERVED_NAME 45#define _O SYSTEM_RESERVED_NAME 46#define _P SYSTEM_RESERVED_NAME 47#define _Q SYSTEM_RESERVED_NAME 48#define _R SYSTEM_RESERVED_NAME 49#define _S SYSTEM_RESERVED_NAME 50#define _T SYSTEM_RESERVED_NAME 51#define _U SYSTEM_RESERVED_NAME 52#define _V SYSTEM_RESERVED_NAME 53#define _W SYSTEM_RESERVED_NAME 54#define _X SYSTEM_RESERVED_NAME 55#define _Y SYSTEM_RESERVED_NAME 56#define _Z SYSTEM_RESERVED_NAME 57#endif 58 59// FreeBSD's <sys/types.h> uses _M 60// 61#ifdef __FreeBSD__ 62# undef _M 63#endif 64 65// Test that libc++ doesn't use names that collide with FreeBSD system macros. 66// newlib and picolibc also define these macros 67#if !defined(__FreeBSD__) && !defined(_NEWLIB_VERSION) 68# define __null_sentinel SYSTEM_RESERVED_NAME 69# define __generic SYSTEM_RESERVED_NAME 70#endif 71 72// tchar.h defines these macros on Windows 73#ifndef _WIN32 74# define _UI SYSTEM_RESERVED_NAME 75# define _PUC SYSTEM_RESERVED_NAME 76# define _CPUC SYSTEM_RESERVED_NAME 77# define _PC SYSTEM_RESERVED_NAME 78# define _CRPC SYSTEM_RESERVED_NAME 79# define _CPC SYSTEM_RESERVED_NAME 80#endif 81 82// yvals.h on MINGW defines this macro 83#ifndef _WIN32 84# define _C2 SYSTEM_RESERVED_NAME 85#endif 86 87// Test that libc++ doesn't use names that collide with Win32 API macros. 88// Obviously we can only define these on non-Windows platforms. 89#ifndef _WIN32 90# define __allocator SYSTEM_RESERVED_NAME 91# define __bound SYSTEM_RESERVED_NAME 92# define __deallocate SYSTEM_RESERVED_NAME 93# define __deref SYSTEM_RESERVED_NAME 94# define __format_string SYSTEM_RESERVED_NAME 95# define __full SYSTEM_RESERVED_NAME 96# define __in SYSTEM_RESERVED_NAME 97# define __inout SYSTEM_RESERVED_NAME 98# define __nz SYSTEM_RESERVED_NAME 99# define __out SYSTEM_RESERVED_NAME 100# define __part SYSTEM_RESERVED_NAME 101# define __post SYSTEM_RESERVED_NAME 102# define __pre SYSTEM_RESERVED_NAME 103#endif 104 105// Newlib & picolibc use __input as a parameter name of a64l & l64a 106#ifndef _NEWLIB_VERSION 107# define __input SYSTEM_RESERVED_NAME 108#endif 109#define __output SYSTEM_RESERVED_NAME 110 111#define __acquire SYSTEM_RESERVED_NAME 112#define __release SYSTEM_RESERVED_NAME 113 114// These names are not reserved, so the user can macro-define them. 115// These are intended to find improperly _Uglified template parameters. 116#define A SYSTEM_RESERVED_NAME 117#define Arg SYSTEM_RESERVED_NAME 118#define Args SYSTEM_RESERVED_NAME 119#define As SYSTEM_RESERVED_NAME 120#define B SYSTEM_RESERVED_NAME 121#define Bs SYSTEM_RESERVED_NAME 122#define C SYSTEM_RESERVED_NAME 123#define Cp SYSTEM_RESERVED_NAME 124#define Cs SYSTEM_RESERVED_NAME 125// Windows setjmp.h contains a struct member named 'D' on ARM/AArch64. 126#ifndef _WIN32 127# define D SYSTEM_RESERVED_NAME 128#endif 129#define Dp SYSTEM_RESERVED_NAME 130#define Ds SYSTEM_RESERVED_NAME 131#define E SYSTEM_RESERVED_NAME 132#define Ep SYSTEM_RESERVED_NAME 133#define Es SYSTEM_RESERVED_NAME 134#define R SYSTEM_RESERVED_NAME 135#define Rp SYSTEM_RESERVED_NAME 136#define Rs SYSTEM_RESERVED_NAME 137#define T SYSTEM_RESERVED_NAME 138#define Tp SYSTEM_RESERVED_NAME 139#define Ts SYSTEM_RESERVED_NAME 140#define Type SYSTEM_RESERVED_NAME 141#define Types SYSTEM_RESERVED_NAME 142#define U SYSTEM_RESERVED_NAME 143#define Up SYSTEM_RESERVED_NAME 144#define Us SYSTEM_RESERVED_NAME 145#define V SYSTEM_RESERVED_NAME 146#define Vp SYSTEM_RESERVED_NAME 147#define Vs SYSTEM_RESERVED_NAME 148#define X SYSTEM_RESERVED_NAME 149#define Xp SYSTEM_RESERVED_NAME 150#define Xs SYSTEM_RESERVED_NAME 151 152// The classic Windows min/max macros 153#define min SYSTEM_RESERVED_NAME 154#define max SYSTEM_RESERVED_NAME 155 156// Test to make sure curses has no conflicting macros with the standard library 157#define move SYSTEM_RESERVED_NAME 158#define erase SYSTEM_RESERVED_NAME 159#define refresh SYSTEM_RESERVED_NAME 160 161#include <{header}> 162""") 163