Move Source/WTF/wtf to Source/wtf

Source/WTF/wtf/Compiler.h

Index: Source/WTF/wtf/Compiler.h
diff --git a/Source/WTF/wtf/Compiler.h b/Source/WTF/wtf/Compiler.h
deleted file mode 100644
index e11747fb6519fe59560b47aabbe5480e98a9f155..0000000000000000000000000000000000000000
--- a/Source/WTF/wtf/Compiler.h
+++ /dev/null
@@ -1,299 +0,0 @@
-/*
- * Copyright (C) 2011, 2012 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
- */
-
-#ifndef WTF_Compiler_h
-#define WTF_Compiler_h
-
-/* COMPILER() - the compiler being used to build the project */
-#define COMPILER(WTF_FEATURE) (defined WTF_COMPILER_##WTF_FEATURE  && WTF_COMPILER_##WTF_FEATURE)
-
-/* COMPILER_SUPPORTS() - whether the compiler being used to build the project supports the given feature. */
-#define COMPILER_SUPPORTS(WTF_COMPILER_FEATURE) (defined WTF_COMPILER_SUPPORTS_##WTF_COMPILER_FEATURE  && WTF_COMPILER_SUPPORTS_##WTF_COMPILER_FEATURE)
-
-/* COMPILER_QUIRK() - whether the compiler being used to build the project requires a given quirk. */
-#define COMPILER_QUIRK(WTF_COMPILER_QUIRK) (defined WTF_COMPILER_QUIRK_##WTF_COMPILER_QUIRK  && WTF_COMPILER_QUIRK_##WTF_COMPILER_QUIRK)
-
-/* ==== COMPILER() - the compiler being used to build the project ==== */
-
-/* COMPILER(CLANG) - Clang  */
-#if defined(__clang__)
-#define WTF_COMPILER_CLANG 1
-
-#ifndef __has_extension
-#define __has_extension __has_feature /* Compatibility with older versions of clang */
-#endif
-
-#define CLANG_PRAGMA(PRAGMA) _Pragma(PRAGMA)
-
-/* Specific compiler features */
-#define WTF_COMPILER_SUPPORTS_CXX_VARIADIC_TEMPLATES __has_extension(cxx_variadic_templates)
-
-/* There is a bug in clang that comes with Xcode 4.2 where AtomicStrings can't be implicitly converted to Strings
-   in the presence of move constructors and/or move assignment operators. This bug has been fixed in Xcode 4.3 clang, so we
-   check for both cxx_rvalue_references as well as the unrelated cxx_nonstatic_member_init feature which we know was added in 4.3 */
-#define WTF_COMPILER_SUPPORTS_CXX_RVALUE_REFERENCES __has_extension(cxx_rvalue_references) && __has_extension(cxx_nonstatic_member_init)
-
-#define WTF_COMPILER_SUPPORTS_CXX_DELETED_FUNCTIONS __has_extension(cxx_deleted_functions)
-#define WTF_COMPILER_SUPPORTS_CXX_NULLPTR __has_feature(cxx_nullptr)
-#define WTF_COMPILER_SUPPORTS_CXX_EXPLICIT_CONVERSIONS __has_feature(cxx_explicit_conversions)
-#define WTF_COMPILER_SUPPORTS_BLOCKS __has_feature(blocks)
-#define WTF_COMPILER_SUPPORTS_C_STATIC_ASSERT __has_extension(c_static_assert)
-#define WTF_COMPILER_SUPPORTS_CXX_STATIC_ASSERT __has_extension(cxx_static_assert)
-#define WTF_COMPILER_SUPPORTS_CXX_OVERRIDE_CONTROL __has_extension(cxx_override_control)
-#define WTF_COMPILER_SUPPORTS_HAS_TRIVIAL_DESTRUCTOR __has_extension(has_trivial_destructor)
-#define WTF_COMPILER_SUPPORTS_CXX_STRONG_ENUMS __has_extension(cxx_strong_enums)
-
-#endif
-
-#ifndef CLANG_PRAGMA
-#define CLANG_PRAGMA(PRAGMA)
-#endif
-
-/* COMPILER(MSVC) - Microsoft Visual C++ */
-/* COMPILER(MSVC7_OR_LOWER) - Microsoft Visual C++ 2003 or lower*/
-/* COMPILER(MSVC9_OR_LOWER) - Microsoft Visual C++ 2008 or lower*/
-#if defined(_MSC_VER)
-#define WTF_COMPILER_MSVC 1
-#if _MSC_VER < 1400
-#define WTF_COMPILER_MSVC7_OR_LOWER 1
-#elif _MSC_VER < 1600
-#define WTF_COMPILER_MSVC9_OR_LOWER 1
-#endif
-
-/* Specific compiler features */
-#if !COMPILER(CLANG) && _MSC_VER >= 1600
-#define WTF_COMPILER_SUPPORTS_CXX_NULLPTR 1
-#endif
-
-#if !COMPILER(CLANG)
-#define WTF_COMPILER_SUPPORTS_CXX_OVERRIDE_CONTROL 1
-#define WTF_COMPILER_QUIRK_FINAL_IS_CALLED_SEALED 1
-#endif
-
-#endif
-
-/* COMPILER(RVCT) - ARM RealView Compilation Tools */
-#if defined(__CC_ARM) || defined(__ARMCC__)
-#define WTF_COMPILER_RVCT 1
-#define RVCT_VERSION_AT_LEAST(major, minor, patch, build) (__ARMCC_VERSION >= (major * 100000 + minor * 10000 + patch * 1000 + build))
-#else
-/* Define this for !RVCT compilers, just so we can write things like RVCT_VERSION_AT_LEAST(3, 0, 0, 0). */
-#define RVCT_VERSION_AT_LEAST(major, minor, patch, build) 0
-#endif
-
-/* COMPILER(GCCE) - GNU Compiler Collection for Embedded */
-#if defined(__GCCE__)
-#define WTF_COMPILER_GCCE 1
-#define GCCE_VERSION (__GCCE__ * 10000 + __GCCE_MINOR__ * 100 + __GCCE_PATCHLEVEL__)
-#define GCCE_VERSION_AT_LEAST(major, minor, patch) (GCCE_VERSION >= (major * 10000 + minor * 100 + patch))
-#endif
-
-/* COMPILER(GCC) - GNU Compiler Collection */
-/* --gnu option of the RVCT compiler also defines __GNUC__ */
-#if defined(__GNUC__) && !COMPILER(RVCT)
-#define WTF_COMPILER_GCC 1
-#define GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
-#define GCC_VERSION_AT_LEAST(major, minor, patch) (GCC_VERSION >= (major * 10000 + minor * 100 + patch))
-#else
-/* Define this for !GCC compilers, just so we can write things like GCC_VERSION_AT_LEAST(4, 1, 0). */
-#define GCC_VERSION_AT_LEAST(major, minor, patch) 0
-#endif
-
-/* Specific compiler features */
-#if COMPILER(GCC) && !COMPILER(CLANG)
-#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
-/* C11 support */
-#define WTF_COMPILER_SUPPORTS_C_STATIC_ASSERT 1
-#endif
-#if defined(__GXX_EXPERIMENTAL_CXX0X__) || (defined(__cplusplus) && __cplusplus >= 201103L)
-/* C++11 support */
-#if GCC_VERSION_AT_LEAST(4, 3, 0)
-#define WTF_COMPILER_SUPPORTS_CXX_RVALUE_REFERENCES 1
-#define WTF_COMPILER_SUPPORTS_CXX_STATIC_ASSERT 1
-#define WTF_COMPILER_SUPPORTS_CXX_VARIADIC_TEMPLATES 1
-#endif
-#if GCC_VERSION_AT_LEAST(4, 4, 0)
-#define WTF_COMPILER_SUPPORTS_CXX_DELETED_FUNCTIONS 1
-#endif
-#if GCC_VERSION_AT_LEAST(4, 5, 0)
-#define WTF_COMPILER_SUPPORTS_CXX_EXPLICIT_CONVERSIONS 1
-#endif
-#if GCC_VERSION_AT_LEAST(4, 6, 0)
-#define WTF_COMPILER_SUPPORTS_CXX_NULLPTR 1
-/* Strong enums should work from gcc 4.4, but doesn't seem to support some operators */
-#define WTF_COMPILER_SUPPORTS_CXX_STRONG_ENUMS 1
-#endif
-#if GCC_VERSION_AT_LEAST(4, 7, 0)
-#define WTF_COMPILER_SUPPORTS_CXX_OVERRIDE_CONTROL 1
-#endif
-#endif /* defined(__GXX_EXPERIMENTAL_CXX0X__) || (defined(__cplusplus) && __cplusplus >= 201103L) */
-#endif /* COMPILER(GCC) */
-
-/* COMPILER(MINGW) - MinGW GCC */
-/* COMPILER(MINGW64) - mingw-w64 GCC - only used as additional check to exclude mingw.org specific functions */
-#if defined(__MINGW32__)
-#define WTF_COMPILER_MINGW 1
-#include <_mingw.h> /* private MinGW header */
-    #if defined(__MINGW64_VERSION_MAJOR) /* best way to check for mingw-w64 vs mingw.org */
-        #define WTF_COMPILER_MINGW64 1
-    #endif /* __MINGW64_VERSION_MAJOR */
-#endif /* __MINGW32__ */
-
-/* COMPILER(INTEL) - Intel C++ Compiler */
-#if defined(__INTEL_COMPILER)
-#define WTF_COMPILER_INTEL 1
-#endif
-
-/* COMPILER(SUNCC) */
-#if defined(__SUNPRO_CC) || defined(__SUNPRO_C)
-#define WTF_COMPILER_SUNCC 1
-#endif
-
-/* ==== Compiler features ==== */
-
-
-/* ALWAYS_INLINE */
-
-#ifndef ALWAYS_INLINE
-#if COMPILER(GCC) && defined(NDEBUG) && !COMPILER(MINGW)
-#define ALWAYS_INLINE inline __attribute__((__always_inline__))
-#elif (COMPILER(MSVC) || COMPILER(RVCT)) && defined(NDEBUG)
-#define ALWAYS_INLINE __forceinline
-#else
-#define ALWAYS_INLINE inline
-#endif
-#endif
-
-
-/* NEVER_INLINE */
-
-#ifndef NEVER_INLINE
-#if COMPILER(GCC)
-#define NEVER_INLINE __attribute__((__noinline__))
-#elif COMPILER(RVCT)
-#define NEVER_INLINE __declspec(noinline)
-#else
-#define NEVER_INLINE
-#endif
-#endif
-
-
-/* UNLIKELY */
-
-#ifndef UNLIKELY
-#if COMPILER(GCC) || (COMPILER(RVCT) && defined(__GNUC__))
-#define UNLIKELY(x) __builtin_expect((x), 0)
-#else
-#define UNLIKELY(x) (x)
-#endif
-#endif
-
-
-/* LIKELY */
-
-#ifndef LIKELY
-#if COMPILER(GCC) || (COMPILER(RVCT) && defined(__GNUC__))
-#define LIKELY(x) __builtin_expect((x), 1)
-#else
-#define LIKELY(x) (x)
-#endif
-#endif
-
-
-/* NO_RETURN */
-
-
-#ifndef NO_RETURN
-#if COMPILER(GCC)
-#define NO_RETURN __attribute((__noreturn__))
-#elif COMPILER(MSVC) || COMPILER(RVCT)
-#define NO_RETURN __declspec(noreturn)
-#else
-#define NO_RETURN
-#endif
-#endif
-
-
-/* NO_RETURN_WITH_VALUE */
-
-#ifndef NO_RETURN_WITH_VALUE
-#if !COMPILER(MSVC)
-#define NO_RETURN_WITH_VALUE NO_RETURN
-#else
-#define NO_RETURN_WITH_VALUE
-#endif
-#endif
-
-
-/* WARN_UNUSED_RETURN */
-
-#if COMPILER(GCC)
-#define WARN_UNUSED_RETURN __attribute__ ((warn_unused_result))
-#else
-#define WARN_UNUSED_RETURN
-#endif
-
-/* OVERRIDE and FINAL */
-
-#if COMPILER_SUPPORTS(CXX_OVERRIDE_CONTROL)
-#define OVERRIDE override
-
-#if COMPILER_QUIRK(FINAL_IS_CALLED_SEALED)
-#define FINAL sealed
-#else
-#define FINAL final
-#endif
-
-#else
-#define OVERRIDE
-#define FINAL
-#endif
-
-/* REFERENCED_FROM_ASM */
-
-#ifndef REFERENCED_FROM_ASM
-#if COMPILER(GCC)
-#define REFERENCED_FROM_ASM __attribute__((used))
-#else
-#define REFERENCED_FROM_ASM
-#endif
-#endif
-
-/* OBJC_CLASS */
-
-#ifndef OBJC_CLASS
-#ifdef __OBJC__
-#define OBJC_CLASS @class
-#else
-#define OBJC_CLASS class
-#endif
-#endif
-
-/* ABI */
-#if defined(__ARM_EABI__) || defined(__EABI__)
-#define WTF_COMPILER_SUPPORTS_EABI 1
-#endif
-
-#endif /* WTF_Compiler_h */