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The C and C++ Include Header Files

/usr/include/nodejs/deps/v8/include/cppgc/internal/compiler-specific.h


$ cat -n /usr/include/nodejs/deps/v8/include/cppgc/internal/compiler-specific.h

     1	// Copyright 2020 the V8 project authors. All rights reserved.
     2	// Use of this source code is governed by a BSD-style license that can be
     3	// found in the LICENSE file.
     4	
     5	#ifndef INCLUDE_CPPGC_INTERNAL_COMPILER_SPECIFIC_H_
     6	#define INCLUDE_CPPGC_INTERNAL_COMPILER_SPECIFIC_H_
     7	
     8	namespace cppgc {
     9	
    10	#if defined(__has_attribute)
    11	#define CPPGC_HAS_ATTRIBUTE(FEATURE) __has_attribute(FEATURE)
    12	#else
    13	#define CPPGC_HAS_ATTRIBUTE(FEATURE) 0
    14	#endif
    15	
    16	#if defined(__has_cpp_attribute)
    17	#define CPPGC_HAS_CPP_ATTRIBUTE(FEATURE) __has_cpp_attribute(FEATURE)
    18	#else
    19	#define CPPGC_HAS_CPP_ATTRIBUTE(FEATURE) 0
    20	#endif
    21	
    22	// [[no_unique_address]] comes in C++20 but supported in clang with -std >=
    23	// c++11.
    24	#if CPPGC_HAS_CPP_ATTRIBUTE(no_unique_address)
    25	#define CPPGC_NO_UNIQUE_ADDRESS [[no_unique_address]]
    26	#else
    27	#define CPPGC_NO_UNIQUE_ADDRESS
    28	#endif
    29	
    30	#if CPPGC_HAS_ATTRIBUTE(unused)
    31	#define CPPGC_UNUSED __attribute__((unused))
    32	#else
    33	#define CPPGC_UNUSED
    34	#endif
    35	
    36	}  // namespace cppgc
    37	
    38	#endif  // INCLUDE_CPPGC_INTERNAL_COMPILER_SPECIFIC_H_