X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/b80e619319b1def83d1e8b4f84042b661be1be7f..14957cd040308e3eeec43d26bae5d76da13fcd85:/wtf/SizeLimits.cpp?ds=inline diff --git a/wtf/SizeLimits.cpp b/wtf/SizeLimits.cpp new file mode 100644 index 0000000..4e481bb --- /dev/null +++ b/wtf/SizeLimits.cpp @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2010 Google 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: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT + * OWNER 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. + */ + +#include "config.h" + +#include +#include +#include +#include +#include +#include +#include + +namespace WTF { + +#ifndef NDEBUG +struct StructWithIntAndTwoBools { int a; bool b; bool c; }; +static const size_t refCountedExtraDebugSize = sizeof(StructWithIntAndTwoBools) - sizeof(int); +#else +static const size_t refCountedExtraDebugSize = 0; +#endif + +COMPILE_ASSERT(sizeof(OwnPtr) == sizeof(int*), OwnPtr_should_stay_small); +COMPILE_ASSERT(sizeof(PassRefPtr >) == sizeof(int*), PassRefPtr_should_stay_small); +COMPILE_ASSERT(sizeof(RefCounted) == sizeof(int) + refCountedExtraDebugSize, RefCounted_should_stay_small); +COMPILE_ASSERT(sizeof(RefCountedCustomAllocated) == sizeof(int) + refCountedExtraDebugSize, RefCountedCustomAllocated_should_stay_small); +COMPILE_ASSERT(sizeof(RefPtr >) == sizeof(int*), RefPtr_should_stay_small); +COMPILE_ASSERT(sizeof(Vector) == 3 * sizeof(int*), Vector_should_stay_small); + +}