From 6882a04fb36642862b11efe514251d32070c3d65 Mon Sep 17 00:00:00 2001 From: Konstantin Tokarev Date: Thu, 25 Aug 2016 19:20:41 +0300 Subject: Imported QtWebKit TP3 (git b57bc6801f1876c3220d5a4bfea33d620d477443) Change-Id: I3b1d8a2808782c9f34d50240000e20cb38d3680f Reviewed-by: Konstantin Tokarev --- Source/JavaScriptCore/runtime/RuntimeFlags.h | 99 ++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 Source/JavaScriptCore/runtime/RuntimeFlags.h (limited to 'Source/JavaScriptCore/runtime/RuntimeFlags.h') diff --git a/Source/JavaScriptCore/runtime/RuntimeFlags.h b/Source/JavaScriptCore/runtime/RuntimeFlags.h new file mode 100644 index 000000000..8cd30c6da --- /dev/null +++ b/Source/JavaScriptCore/runtime/RuntimeFlags.h @@ -0,0 +1,99 @@ +/* + * Copyright (C) 2015 Yusuke Suzuki . + * + * 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. AND ITS CONTRIBUTORS ``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 ITS 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 RuntimeFlags_h +#define RuntimeFlags_h + +#include + +namespace JSC { + +// macro(name, isEnabledFlag) +#define JSC_RUNTIME_FLAG(macro) + +class RuntimeFlags { +private: + enum RuntimeFlagShiftValue : unsigned { +#define JSC_DECLARE_RUNTIME_FLAG_SHIFT_VALUE(name, isEnabledFlag) shiftValueFor##name, + JSC_RUNTIME_FLAG(JSC_DECLARE_RUNTIME_FLAG_SHIFT_VALUE) +#undef JSC_DECLARE_RUNTIME_FLAG_SHIFT_VALUE + }; + +public: + enum RuntimeFlag : unsigned { +#define JSC_DECLARE_RUNTIME_FLAG(name, isEnabledFlag) name = 1u << (shiftValueFor##name), + JSC_RUNTIME_FLAG(JSC_DECLARE_RUNTIME_FLAG) +#undef JSC_DECLARE_RUNTIME_FLAG + }; + +#define JSC_DECLARE_RUNTIME_FLAG_ACCESSOR(name, isEnabledFlag) \ + void set##name(bool value)\ + {\ + if (value)\ + m_flags |= name;\ + else\ + m_flags &= (~name);\ + }\ + bool is##name() const\ + {\ + return m_flags & name;\ + } + JSC_RUNTIME_FLAG(JSC_DECLARE_RUNTIME_FLAG_ACCESSOR) +#undef JSC_DECLARE_RUNTIME_FLAG_ACCESSOR + + RuntimeFlags() + : RuntimeFlags(0u) + { + } + + RuntimeFlags(std::initializer_list initializerList) + : RuntimeFlags() + { + for (RuntimeFlag flag : initializerList) + m_flags |= flag; + } + + explicit RuntimeFlags(unsigned flags) + : m_flags(flags) + { + } + + static RuntimeFlags createAllEnabled() + { + return RuntimeFlags( +#define JSC_USE_RUNTIME_FLAG(name, isEnabledFlag) ((isEnabledFlag) ? name : 0u) | + JSC_RUNTIME_FLAG(JSC_USE_RUNTIME_FLAG) +#undef JSC_USE_RUNTIME_FLAG + 0u + ); + } + +private: + unsigned m_flags; +}; + +} // namespace JSC + +#endif // RuntimeFlags_h -- cgit v1.2.1