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authorOswald Buddenhagen <oswald.buddenhagen@qt.io>2017-05-30 12:48:17 +0200
committerOswald Buddenhagen <oswald.buddenhagen@qt.io>2017-05-30 12:48:17 +0200
commit881da28418d380042aa95a97f0cbd42560a64f7c (patch)
treea794dff3274695e99c651902dde93d934ea7a5af /Source/JavaScriptCore/runtime/RuntimeFlags.h
parent7e104c57a70fdf551bb3d22a5d637cdcbc69dbea (diff)
parent0fcedcd17cc00d3dd44c718b3cb36c1033319671 (diff)
downloadqtwebkit-881da28418d380042aa95a97f0cbd42560a64f7c.tar.gz
Merge 'wip/next' into dev
Change-Id: Iff9ee5e23bb326c4371ec8ed81d56f2f05d680e9
Diffstat (limited to 'Source/JavaScriptCore/runtime/RuntimeFlags.h')
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diff --git a/Source/JavaScriptCore/runtime/RuntimeFlags.h b/Source/JavaScriptCore/runtime/RuntimeFlags.h
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+/*
+ * Copyright (C) 2015 Yusuke Suzuki <utatane.tea@gmail.com>.
+ *
+ * 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 <initializer_list>
+
+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<RuntimeFlag> 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