1  /*
 2   * Copyright (C) 2017-2020 Apple Inc. All rights reserved.
 3   *
 4   * Redistribution and use in source and binary forms, with or without
 5   * modification, are permitted provided that the following conditions
 6   * are met:
 7   * 1. Redistributions of source code must retain the above copyright
 8   *    notice, this list of conditions and the following disclaimer.
 9   * 2. Redistributions in binary form must reproduce the above copyright
10   *    notice, this list of conditions and the following disclaimer in the
11   *    documentation and/or other materials provided with the distribution.
12   *
13   * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14   * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
17   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21   * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24   */
25  
26  #include "config.h"
27  #include "ProxyableAccessCase.h"
28  
29  #if ENABLE(JIT)
30  
31  namespace JSC {
32  
33  ProxyableAccessCase::ProxyableAccessCase(VM& vm, JSCell* owner, AccessType accessType, CacheableIdentifier identifier, PropertyOffset offset, Structure* structure,
34      const ObjectPropertyConditionSet& conditionSet, bool viaProxy, WatchpointSet* additionalSet, std::unique_ptr<PolyProtoAccessChain> prototypeAccessChain)
35      : Base(vm, owner, accessType, identifier, offset, structure, conditionSet, WTFMove(prototypeAccessChain))
36      , m_additionalSet(additionalSet)
37  {
38      m_viaProxy = viaProxy;
39  }
40  
41  std::unique_ptr<AccessCase> ProxyableAccessCase::create(VM& vm, JSCell* owner, AccessType type, CacheableIdentifier identifier, PropertyOffset offset, Structure* structure, const ObjectPropertyConditionSet& conditionSet, bool viaProxy, WatchpointSet* additionalSet, std::unique_ptr<PolyProtoAccessChain> prototypeAccessChain)
42  {
43      ASSERT(type == Load || type == Miss || type == GetGetter || type == Replace);
44      return std::unique_ptr<AccessCase>(new ProxyableAccessCase(vm, owner, type, identifier, offset, structure, conditionSet, viaProxy, additionalSet, WTFMove(prototypeAccessChain)));
45  }
46  
47  ProxyableAccessCase::~ProxyableAccessCase()
48  {
49  }
50  
51  std::unique_ptr<AccessCase> ProxyableAccessCase::clone() const
52  {
53      std::unique_ptr<ProxyableAccessCase> result(new ProxyableAccessCase(*this));
54      result->resetState();
55      return result;
56  }
57  
58  void ProxyableAccessCase::dumpImpl(PrintStream& out, CommaPrinter& comma) const
59  {
60      Base::dumpImpl(out, comma);
61      out.print(comma, "viaProxy = ", viaProxy());
62      out.print(comma, "additionalSet = ", RawPointer(additionalSet()));
63  }
64  
65  } // namespace JSC
66  
67  #endif // ENABLE(JIT)