runtime/JSMap.cpp

   1 /*
   2  * Copyright (C) 2013 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 "JSMap.h"
  28
  29 #include "JSCJSValueInlines.h"
  30 #include "JSMapIterator.h"
  31 #include "MapDataInlines.h"
  32 #include "SlotVisitorInlines.h"
  33 #include "StructureInlines.h"
  34
  35 namespace JSC {
  36
  37 const ClassInfo JSMap::s_info = { "Map", &Base::s_info, 0, CREATE_METHOD_TABLE(JSMap) };
  38
  39 void JSMap::destroy(JSCell* cell)
  40 {
  41     JSMap* thisObject = jsCast<JSMap*>(cell);
  42     thisObject->JSMap::~JSMap();
  43 }
  44
  45 void JSMap::visitChildren(JSCell* cell, SlotVisitor& visitor)
  46 {
  47     Base::visitChildren(cell, visitor);
  48     jsCast<JSMap*>(cell)->m_mapData.visitChildren(cell, visitor);
  49 }
  50
  51 void JSMap::copyBackingStore(JSCell* cell, CopyVisitor& visitor, CopyToken token)
  52 {
  53     Base::copyBackingStore(cell, visitor, token);
  54     jsCast<JSMap*>(cell)->m_mapData.copyBackingStore(visitor, token);
  55 }
  56
  57 bool JSMap::has(ExecState* exec, JSValue key)
  58 {
  59     return m_mapData.contains(exec, key);
  60 }
  61
  62 size_t JSMap::size(ExecState* exec)
  63 {
  64     return m_mapData.size(exec);
  65 }
  66
  67 JSValue JSMap::get(ExecState* exec, JSValue key)
  68 {
  69     JSValue result = m_mapData.get(exec, key);
  70     if (!result)
  71         return jsUndefined();
  72     return result;
  73 }
  74
  75 void JSMap::set(ExecState* exec, JSValue key, JSValue value)
  76 {
  77     m_mapData.set(exec, this, key, value);
  78 }
  79
  80 void JSMap::clear(ExecState*)
  81 {
  82     m_mapData.clear();
  83 }
  84
  85 bool JSMap::remove(ExecState* exec, JSValue key)
  86 {
  87     return m_mapData.remove(exec, key);
  88 }
  89
  90 }