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diff --git a/Source/JavaScriptCore/bytecode/ResolveOperation.h b/Source/JavaScriptCore/bytecode/ResolveOperation.h
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-/*
- * Copyright (C) 2012 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.
- */
-
-#ifndef ResolveOperation_h
-#define ResolveOperation_h
-
-#include "PropertyOffset.h"
-#include "WriteBarrier.h"
-
-#include <wtf/Vector.h>
-
-namespace JSC {
-
-class Structure;
-
-struct ResolveOperation {
- typedef enum {
- Fail,
- SetBaseToUndefined,
- ReturnScopeAsBase,
- SetBaseToScope,
- SetBaseToGlobal,
- GetAndReturnScopedVar,
- GetAndReturnGlobalVar,
- GetAndReturnGlobalVarWatchable,
- SkipTopScopeNode,
- SkipScopes,
- ReturnGlobalObjectAsBase,
- GetAndReturnGlobalProperty,
- CheckForDynamicEntriesBeforeGlobalScope
- } ResolveOperationType;
-
- ResolveOperationType m_operation;
- WriteBarrier<Structure> m_structure;
- union {
- PropertyOffset m_offset;
- WriteBarrier<Unknown>* m_registerAddress;
- int m_scopesToSkip;
- int m_activationRegister;
- };
- static ResolveOperation getAndReturnScopedVar(PropertyOffset offset)
- {
- ResolveOperation op;
- op.m_operation = GetAndReturnScopedVar;
- op.m_offset = offset;
- return op;
- }
- static ResolveOperation checkForDynamicEntriesBeforeGlobalScope()
- {
- ResolveOperation op;
- op.m_operation = CheckForDynamicEntriesBeforeGlobalScope;
- return op;
- }
-
- static ResolveOperation getAndReturnGlobalVar(WriteBarrier<Unknown>* registerAddress, bool couldBeWatched)
- {
- ResolveOperation op;
- op.m_operation = couldBeWatched ? GetAndReturnGlobalVarWatchable : GetAndReturnGlobalVar;
- op.m_registerAddress = registerAddress;
- return op;
- }
- static ResolveOperation getAndReturnGlobalProperty()
- {
- ResolveOperation op;
- op.m_operation = GetAndReturnGlobalProperty;
- return op;
- }
- static ResolveOperation resolveFail()
- {
- ResolveOperation op;
- op.m_operation = Fail;
- return op;
- }
- static ResolveOperation skipTopScopeNode(int activationRegister)
- {
- ResolveOperation op;
- op.m_operation = SkipTopScopeNode;
- op.m_activationRegister = activationRegister;
- return op;
- }
- static ResolveOperation skipScopes(int scopesToSkip)
- {
- ResolveOperation op;
- op.m_operation = SkipScopes;
- op.m_scopesToSkip = scopesToSkip;
- return op;
- }
- static ResolveOperation returnGlobalObjectAsBase()
- {
- ResolveOperation op;
- op.m_operation = ReturnGlobalObjectAsBase;
- return op;
- }
- static ResolveOperation setBaseToGlobal()
- {
- ResolveOperation op;
- op.m_operation = SetBaseToGlobal;
- return op;
- }
- static ResolveOperation setBaseToUndefined()
- {
- ResolveOperation op;
- op.m_operation = SetBaseToUndefined;
- return op;
- }
- static ResolveOperation setBaseToScope()
- {
- ResolveOperation op;
- op.m_operation = SetBaseToScope;
- return op;
- }
- static ResolveOperation returnScopeAsBase()
- {
- ResolveOperation op;
- op.m_operation = ReturnScopeAsBase;
- return op;
- }
-};
-
-typedef Vector<ResolveOperation> ResolveOperations;
-
-struct PutToBaseOperation {
- PutToBaseOperation(bool isStrict)
- : m_kind(Uninitialised)
- , m_isDynamic(false)
- , m_isStrict(isStrict)
- , m_predicatePointer(0)
- {
-
- }
- enum Kind { Uninitialised, Generic, Readonly, GlobalVariablePut, GlobalVariablePutChecked, GlobalPropertyPut, VariablePut };
- union {
- Kind m_kind : 8;
- uint8_t m_kindAsUint8;
- };
- bool m_isDynamic : 8;
- bool m_isStrict : 8;
- union {
- bool* m_predicatePointer;
- unsigned m_scopeDepth;
- };
- WriteBarrier<Structure> m_structure;
- union {
- // Used for GlobalVariablePut
- WriteBarrier<Unknown>* m_registerAddress;
-
- // Used for GlobalPropertyPut and VariablePut
- struct {
- PropertyOffset m_offset;
- int32_t m_offsetInButterfly;
- };
- };
-};
-}
-
-#endif // ResolveOperation_h