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Unified Diff: Source/WTF/wtf/BitVector.cpp

Issue 14238015: Move Source/WTF/wtf to Source/wtf (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 7 years, 8 months ago
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Index: Source/WTF/wtf/BitVector.cpp
diff --git a/Source/WTF/wtf/BitVector.cpp b/Source/WTF/wtf/BitVector.cpp
deleted file mode 100644
index 6327e0aa17276747d89c885c616198991e1c7e2c..0000000000000000000000000000000000000000
--- a/Source/WTF/wtf/BitVector.cpp
+++ /dev/null
@@ -1,119 +0,0 @@
-/*
- * Copyright (C) 2011 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.
- */
-
-#include "config.h"
-#include "BitVector.h"
-
-#include <algorithm>
-#include <string.h>
-#include <wtf/Assertions.h>
-#include <wtf/FastMalloc.h>
-#include <wtf/StdLibExtras.h>
-
-namespace WTF {
-
-void BitVector::setSlow(const BitVector& other)
-{
- uintptr_t newBitsOrPointer;
- if (other.isInline())
- newBitsOrPointer = other.m_bitsOrPointer;
- else {
- OutOfLineBits* newOutOfLineBits = OutOfLineBits::create(other.size());
- memcpy(newOutOfLineBits->bits(), other.bits(), byteCount(other.size()));
- newBitsOrPointer = bitwise_cast<uintptr_t>(newOutOfLineBits) >> 1;
- }
- if (!isInline())
- OutOfLineBits::destroy(outOfLineBits());
- m_bitsOrPointer = newBitsOrPointer;
-}
-
-void BitVector::resize(size_t numBits)
-{
- if (numBits <= maxInlineBits()) {
- if (isInline())
- return;
-
- OutOfLineBits* myOutOfLineBits = outOfLineBits();
- m_bitsOrPointer = makeInlineBits(*myOutOfLineBits->bits());
- OutOfLineBits::destroy(myOutOfLineBits);
- return;
- }
-
- resizeOutOfLine(numBits);
-}
-
-void BitVector::clearAll()
-{
- if (isInline())
- m_bitsOrPointer = makeInlineBits(0);
- else
- memset(outOfLineBits()->bits(), 0, byteCount(size()));
-}
-
-BitVector::OutOfLineBits* BitVector::OutOfLineBits::create(size_t numBits)
-{
- numBits = (numBits + bitsInPointer() - 1) & ~(bitsInPointer() - 1);
- size_t size = sizeof(OutOfLineBits) + sizeof(uintptr_t) * (numBits / bitsInPointer());
- OutOfLineBits* result = new (NotNull, fastMalloc(size)) OutOfLineBits(numBits);
- return result;
-}
-
-void BitVector::OutOfLineBits::destroy(OutOfLineBits* outOfLineBits)
-{
- fastFree(outOfLineBits);
-}
-
-void BitVector::resizeOutOfLine(size_t numBits)
-{
- ASSERT(numBits > maxInlineBits());
- OutOfLineBits* newOutOfLineBits = OutOfLineBits::create(numBits);
- size_t newNumWords = newOutOfLineBits->numWords();
- if (isInline()) {
- // Make sure that all of the bits are zero in case we do a no-op resize.
- *newOutOfLineBits->bits() = m_bitsOrPointer & ~(static_cast<uintptr_t>(1) << maxInlineBits());
- memset(newOutOfLineBits->bits() + 1, 0, (newNumWords - 1) * sizeof(void*));
- } else {
- if (numBits > size()) {
- size_t oldNumWords = outOfLineBits()->numWords();
- memcpy(newOutOfLineBits->bits(), outOfLineBits()->bits(), oldNumWords * sizeof(void*));
- memset(newOutOfLineBits->bits() + oldNumWords, 0, (newNumWords - oldNumWords) * sizeof(void*));
- } else
- memcpy(newOutOfLineBits->bits(), outOfLineBits()->bits(), newOutOfLineBits->numWords() * sizeof(void*));
- OutOfLineBits::destroy(outOfLineBits());
- }
- m_bitsOrPointer = bitwise_cast<uintptr_t>(newOutOfLineBits) >> 1;
-}
-
-void BitVector::dump(PrintStream& out)
-{
- for (size_t i = 0; i < size(); ++i) {
- if (get(i))
- out.printf("1");
- else
- out.printf("-");
- }
-}
-
-} // namespace WTF
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