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authorSteve Block <steveblock@google.com>2011-06-08 08:26:01 -0700
committerAndroid (Google) Code Review <android-gerrit@google.com>2011-06-08 08:26:01 -0700
commit3742ac093d35d923c81693096ab6671e9b147700 (patch)
treec2add9100f789dad45ef1ec5328bddde02c47a4c /Source/JavaScriptCore/collector/handles/HandleStack.cpp
parent901401d90459bc22580842455d4588b9a697514d (diff)
parente5926f4a0d6adc9ad4a75824129f117181953560 (diff)
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Merge changes I55c6d71a,Ifb3277d4,Ia1b847a2,I7ba9cf3f,Ida2b2a8a,I1280ec90,I72f818d5,I2e3b588b,I9a4e6289,Ia724c78b,Icd8612c8,Ie31b15d7,Ie125edae,I77941a88,I89dae78b,I3516e5ca,I1a4c17b5,I2c4ecc1a,I9c8e6537,Ifac13115,Ie1f80e09,Ia541ed77,I60ce9d78
* changes: Merge WebKit at r82507: Update ThirdPartyProject.prop Merge WebKit at r82507: Cherry-pick change r88166 to add INSPECTOR guards to ScriptProfiler Merge WebKit at r82507: Work around a V8 bug Merge WebKit at r82507: JNIType renamed to JavaType Merge WebKit at r82507: IconDatabaseClient interface expanded Merge WebKit at r82507: Don't use new loss-free code path in HTMLCanvasElement::toDataURL() Merge WebKit at r82507: IcondDatabaseBase::iconForPageURL() renamed Merge WebKit at r82507: IconDatabaseBase::Open() signature changed Merge WebKit at r82507: Node::isContentEditable() renamed Merge WebKit at r82507: Use icon database through IconDatabaseBase Merge WebKit at r82507: toInputElement() is now a member of Node Merge WebKit at r82507: FrameLoaderClient::objectContentType() signature changed Merge WebKit at r82507: StringImpl::computeHash() removed Merge WebKit at r82507: Stub out FontPlatformData::setOrientation() Merge WebKit at r82507: Path::strokeBoundingRect() is now const Merge WebKit at r82507: Add missing UnusedParam.h include in ApplicationCacheGroup.cpp Merge WebKit at r82507: Continue to use Android's version of FontPlatformData.h Merge WebKit at r82507: Update signature of FontCustomPlatformData::fontPlatformData() Merge WebKit at r82507: Fix conflicts due to JNI refactoring Merge WebKit at r82507: Fix conflicts due to new StorageTracker Merge WebKit at r82507: Fix conflicts Merge WebKit at r82507: Fix makefiles Merge WebKit at r82507: Initial merge by git
Diffstat (limited to 'Source/JavaScriptCore/collector/handles/HandleStack.cpp')
-rw-r--r--Source/JavaScriptCore/collector/handles/HandleStack.cpp63
1 files changed, 63 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/collector/handles/HandleStack.cpp b/Source/JavaScriptCore/collector/handles/HandleStack.cpp
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+++ b/Source/JavaScriptCore/collector/handles/HandleStack.cpp
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2010 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. 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.
+ */
+
+#include "config.h"
+
+#include "HandleStack.h"
+
+#include "MarkStack.h"
+
+namespace JSC {
+
+HandleStack::HandleStack()
+#ifndef NDEBUG
+ : m_scopeDepth(0)
+#endif
+{
+ grow();
+}
+
+void HandleStack::mark(HeapRootMarker& heapRootMarker)
+{
+ const Vector<HandleSlot>& blocks = m_blockStack.blocks();
+ size_t blockLength = m_blockStack.blockLength;
+
+ int end = blocks.size() - 1;
+ for (int i = 0; i < end; ++i) {
+ HandleSlot block = blocks[i];
+ heapRootMarker.mark(block, blockLength);
+ }
+ HandleSlot block = blocks[end];
+ heapRootMarker.mark(block, m_frame.m_next - block);
+}
+
+void HandleStack::grow()
+{
+ HandleSlot block = m_blockStack.grow();
+ m_frame.m_next = block;
+ m_frame.m_end = block + m_blockStack.blockLength;
+}
+
+}