bindings/ScriptFunctionCall.cpp

   1 /*
   2  * Copyright (C) 2013 Apple Inc. All rights reserved.
   3  * Copyright (C) 2009 Google Inc. All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met:
   8  *
   9  *     * Redistributions of source code must retain the above copyright
  10  * notice, this list of conditions and the following disclaimer.
  11  *     * Redistributions in binary form must reproduce the above
  12  * copyright notice, this list of conditions and the following disclaimer
  13  * in the documentation and/or other materials provided with the
  14  * distribution.
  15  *     * Neither the name of Google Inc. nor the names of its
  16  * contributors may be used to endorse or promote products derived from
  17  * this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include "config.h"
  33 #include "ScriptFunctionCall.h"
  34
  35 #include "JSCInlines.h"
  36 #include "JSLock.h"
  37 #include "ScriptValue.h"
  38 #include <wtf/text/WTFString.h>
  39
  40 using namespace JSC;
  41
  42 namespace Deprecated {
  43
  44 void ScriptCallArgumentHandler::appendArgument(const Deprecated::ScriptObject& argument)
  45 {
  46     if (argument.scriptState() != m_exec) {
  47         ASSERT_NOT_REACHED();
  48         return;
  49     }
  50     m_arguments.append(argument.jsObject());
  51 }
  52
  53 void ScriptCallArgumentHandler::appendArgument(const Deprecated::ScriptValue& argument)
  54 {
  55     m_arguments.append(argument.jsValue());
  56 }
  57
  58 void ScriptCallArgumentHandler::appendArgument(const String& argument)
  59 {
  60     JSLockHolder lock(m_exec);
  61     m_arguments.append(jsString(m_exec, argument));
  62 }
  63
  64 void ScriptCallArgumentHandler::appendArgument(const char* argument)
  65 {
  66     JSLockHolder lock(m_exec);
  67     m_arguments.append(jsString(m_exec, String(argument)));
  68 }
  69
  70 void ScriptCallArgumentHandler::appendArgument(JSValue argument)
  71 {
  72     m_arguments.append(argument);
  73 }
  74
  75 void ScriptCallArgumentHandler::appendArgument(long argument)
  76 {
  77     JSLockHolder lock(m_exec);
  78     m_arguments.append(jsNumber(argument));
  79 }
  80
  81 void ScriptCallArgumentHandler::appendArgument(long long argument)
  82 {
  83     JSLockHolder lock(m_exec);
  84     m_arguments.append(jsNumber(argument));
  85 }
  86
  87 void ScriptCallArgumentHandler::appendArgument(unsigned int argument)
  88 {
  89     JSLockHolder lock(m_exec);
  90     m_arguments.append(jsNumber(argument));
  91 }
  92
  93 void ScriptCallArgumentHandler::appendArgument(unsigned long argument)
  94 {
  95     JSLockHolder lock(m_exec);
  96     m_arguments.append(jsNumber(argument));
  97 }
  98
  99 void ScriptCallArgumentHandler::appendArgument(int argument)
 100 {
 101     JSLockHolder lock(m_exec);
 102     m_arguments.append(jsNumber(argument));
 103 }
 104
 105 void ScriptCallArgumentHandler::appendArgument(bool argument)
 106 {
 107     m_arguments.append(jsBoolean(argument));
 108 }
 109
 110 ScriptFunctionCall::ScriptFunctionCall(const Deprecated::ScriptObject& thisObject, const String& name, ScriptFunctionCallHandler callHandler)
 111     : ScriptCallArgumentHandler(thisObject.scriptState())
 112     , m_callHandler(callHandler)
 113     , m_thisObject(thisObject)
 114     , m_name(name)
 115 {
 116 }
 117
 118 Deprecated::ScriptValue ScriptFunctionCall::call(bool& hadException)
 119 {
 120     JSObject* thisObject = m_thisObject.jsObject();
 121
 122     JSLockHolder lock(m_exec);
 123
 124     JSValue function = thisObject->get(m_exec, Identifier::fromString(m_exec, m_name));
 125     if (m_exec->hadException()) {
 126         hadException = true;
 127         return Deprecated::ScriptValue();
 128     }
 129
 130     CallData callData;
 131     CallType callType = getCallData(function, callData);
 132     if (callType == CallTypeNone)
 133         return Deprecated::ScriptValue();
 134
 135     JSValue result;
 136     NakedPtr<Exception> exception;
 137     if (m_callHandler)
 138         result = m_callHandler(m_exec, function, callType, callData, thisObject, m_arguments, exception);
 139     else
 140         result = JSC::call(m_exec, function, callType, callData, thisObject, m_arguments, exception);
 141
 142     if (exception) {
 143         hadException = true;
 144         return Deprecated::ScriptValue();
 145     }
 146
 147     return Deprecated::ScriptValue(m_exec->vm(), result);
 148 }
 149
 150 Deprecated::ScriptValue ScriptFunctionCall::call()
 151 {
 152     bool hadException = false;
 153     return call(hadException);
 154 }
 155
 156 } // namespace Deprecated