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| 1 /* |
| 2 * Copyright (C) 2009 Google 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 are |
| 6 * met: |
| 7 * |
| 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above |
| 11 * copyright notice, this list of conditions and the following disclaimer |
| 12 * in the documentation and/or other materials provided with the |
| 13 * distribution. |
| 14 * * Neither the name of Google Inc. nor the names of its |
| 15 * contributors may be used to endorse or promote products derived from |
| 16 * this software without specific prior written permission. |
| 17 * |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 */ |
| 30 |
| 31 #include "config.h" |
| 32 #include "ScriptFunctionCall.h" |
| 33 |
| 34 #include "JSDOMBinding.h" |
| 35 #include "ScriptValue.h" |
| 36 #include <runtime/JSLock.h> |
| 37 |
| 38 using namespace JSC; |
| 39 |
| 40 namespace WebCore { |
| 41 |
| 42 ScriptFunctionCall::ScriptFunctionCall(ScriptState* exec, const ScriptObject& th
isObject, const char* name) |
| 43 : m_exec(exec) |
| 44 , m_thisObject(thisObject) |
| 45 , m_name(name) |
| 46 { |
| 47 } |
| 48 |
| 49 void ScriptFunctionCall::appendArgument(const ScriptObject& argument) |
| 50 { |
| 51 m_arguments.append(argument.jsObject()); |
| 52 } |
| 53 |
| 54 void ScriptFunctionCall::appendArgument(const ScriptValue& argument) |
| 55 { |
| 56 m_arguments.append(argument.jsValue()); |
| 57 } |
| 58 |
| 59 void ScriptFunctionCall::appendArgument(const String& argument) |
| 60 { |
| 61 JSLock lock(false); |
| 62 m_arguments.append(jsString(m_exec, argument)); |
| 63 } |
| 64 |
| 65 ScriptValue ScriptFunctionCall::call(bool& hadException) |
| 66 { |
| 67 JSObject* thisObject = m_thisObject.jsObject(); |
| 68 |
| 69 JSLock lock(false); |
| 70 |
| 71 JSValuePtr function = thisObject->get(m_exec, Identifier(m_exec, m_name)); |
| 72 if (m_exec->hadException()) { |
| 73 reportException(m_exec, m_exec->exception()); |
| 74 hadException = true; |
| 75 return ScriptValue(); |
| 76 } |
| 77 |
| 78 CallData callData; |
| 79 CallType callType = function.getCallData(callData); |
| 80 if (callType == CallTypeNone) |
| 81 return ScriptValue(); |
| 82 |
| 83 JSValuePtr result = JSC::call(m_exec, function, callType, callData, thisObje
ct, m_arguments); |
| 84 if (m_exec->hadException()) { |
| 85 reportException(m_exec, m_exec->exception()); |
| 86 hadException = true; |
| 87 return ScriptValue(); |
| 88 } |
| 89 |
| 90 return ScriptValue(result); |
| 91 } |
| 92 |
| 93 ScriptObject ScriptFunctionCall::construct(bool& hadException) |
| 94 { |
| 95 JSObject* thisObject = m_thisObject.jsObject(); |
| 96 |
| 97 JSLock lock(false); |
| 98 |
| 99 JSObject* constructor = asObject(thisObject->get(m_exec, Identifier(m_exec,
m_name))); |
| 100 if (m_exec->hadException()) { |
| 101 reportException(m_exec, m_exec->exception()); |
| 102 hadException = true; |
| 103 return ScriptObject(); |
| 104 } |
| 105 |
| 106 ConstructData constructData; |
| 107 ConstructType constructType = constructor->getConstructData(constructData); |
| 108 if (constructType == ConstructTypeNone) |
| 109 return ScriptObject(); |
| 110 |
| 111 JSValuePtr result = JSC::construct(m_exec, constructor, constructType, const
ructData, m_arguments); |
| 112 if (m_exec->hadException()) { |
| 113 reportException(m_exec, m_exec->exception()); |
| 114 hadException = true; |
| 115 return ScriptObject(); |
| 116 } |
| 117 |
| 118 return ScriptObject(asObject(result)); |
| 119 } |
| 120 |
| 121 } // namespace WebCore |
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