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-rw-r--r--src/3rdparty/javascriptcore/JavaScriptCore/bytecompiler/Label.h90
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diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/bytecompiler/Label.h b/src/3rdparty/javascriptcore/JavaScriptCore/bytecompiler/Label.h
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--- a/src/3rdparty/javascriptcore/JavaScriptCore/bytecompiler/Label.h
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@@ -1,90 +0,0 @@
-/*
- * Copyright (C) 2008 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.
- * 3. Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE 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 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 Label_h
-#define Label_h
-
-#include "CodeBlock.h"
-#include "Instruction.h"
-#include <wtf/Assertions.h>
-#include <wtf/Vector.h>
-#include <limits.h>
-
-namespace JSC {
-
- class Label {
- public:
- explicit Label(CodeBlock* codeBlock)
- : m_refCount(0)
- , m_location(invalidLocation)
- , m_codeBlock(codeBlock)
- {
- }
-
- void setLocation(unsigned location)
- {
- m_location = location;
-
- unsigned size = m_unresolvedJumps.size();
- for (unsigned i = 0; i < size; ++i)
- m_codeBlock->instructions()[m_unresolvedJumps[i].second].u.operand = m_location - m_unresolvedJumps[i].first;
- }
-
- int bind(int opcode, int offset) const
- {
- if (m_location == invalidLocation) {
- m_unresolvedJumps.append(std::make_pair(opcode, offset));
- return 0;
- }
- return m_location - opcode;
- }
-
- void ref() { ++m_refCount; }
- void deref()
- {
- --m_refCount;
- ASSERT(m_refCount >= 0);
- }
- int refCount() const { return m_refCount; }
-
- bool isForward() const { return m_location == invalidLocation; }
-
- private:
- typedef Vector<std::pair<int, int>, 8> JumpVector;
-
- static const unsigned invalidLocation = UINT_MAX;
-
- int m_refCount;
- unsigned m_location;
- CodeBlock* m_codeBlock;
- mutable JumpVector m_unresolvedJumps;
- };
-
-} // namespace JSC
-
-#endif // Label_h