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 "ScriptScope.h"

    35 #include "ScriptState.h"

    36 #include "ScriptString.h"

    37 #include "ScriptValue.h"

    38 

    39 #include "V8Binding.h"

    40 #include "V8Proxy.h"

    41 #include "V8Utilities.h"

    42 

    43 #include <v8.h>

    44 #include <wtf/OwnArrayPtr.h>

    45 

    46 namespace WebCore {

    47 

    48 ScriptFunctionCall::ScriptFunctionCall(const ScriptObject& thisObject, const String& name)

    49     : m_scriptState(thisObject.scriptState())

    50     , m_thisObject(thisObject)

    51     , m_name(name)

    52 {

    53 }

    54 

    55 void ScriptFunctionCall::appendArgument(const ScriptObject& argument)

    56 {

    57     if (argument.scriptState() != m_scriptState) {

    58         ASSERT_NOT_REACHED();

    59         return;

    60     }

    61     m_arguments.append(argument);

    62 }

    63 

    64 void ScriptFunctionCall::appendArgument(const ScriptString& argument)

    65 {

    66     ScriptScope scope(m_scriptState);

    67     m_arguments.append(v8String(argument));

    68 }

    69 

    70 void ScriptFunctionCall::appendArgument(const ScriptValue& argument)

    71 {

    72     m_arguments.append(argument);

    73 }

    74 

    75 void ScriptFunctionCall::appendArgument(const String& argument)

    76 {

    77     ScriptScope scope(m_scriptState);

    78     m_arguments.append(v8String(argument));

    79 }

    80 

    81 void ScriptFunctionCall::appendArgument(const char* argument)

    82 {

    83     ScriptScope scope(m_scriptState);

    84     m_arguments.append(v8String(argument));

    85 }

    86 

    87 void ScriptFunctionCall::appendArgument(long argument)

    88 {

    89     ScriptScope scope(m_scriptState);

    90     m_arguments.append(v8::Number::New(argument));

    91 }

    92 

    93 void ScriptFunctionCall::appendArgument(long long argument)

    94 {

    95     ScriptScope scope(m_scriptState);

    96     m_arguments.append(v8::Number::New(argument));

    97 }

    98 

    99 void ScriptFunctionCall::appendArgument(unsigned int argument)

   100 {

   101     ScriptScope scope(m_scriptState);

   102     m_arguments.append(v8::Number::New(argument));

   103 }

   104 

   105 void ScriptFunctionCall::appendArgument(unsigned long argument)

   106 {

   107     ScriptScope scope(m_scriptState);

   108     m_arguments.append(v8::Number::New(argument));

   109 }

   110 

   111 void ScriptFunctionCall::appendArgument(int argument)

   112 {

   113     ScriptScope scope(m_scriptState);

   114     m_arguments.append(v8::Number::New(argument));

   115 }

   116 

   117 void ScriptFunctionCall::appendArgument(bool argument)

   118 {

   119     m_arguments.append(v8Boolean(argument));

   120 }

   121 

   122 ScriptValue ScriptFunctionCall::call(bool& hadException, bool reportExceptions)

   123 {

   124     ScriptScope scope(m_scriptState, reportExceptions);

   125 

   126     v8::Local<v8::Object> thisObject = m_thisObject.v8Object();

   127     v8::Local<v8::Value> value = thisObject->Get(v8String(m_name));

   128     if (!scope.success()) {

   129         hadException = true;

   130         return ScriptValue();

   131     }

   132 

   133     ASSERT(value->IsFunction());

   134 

   135     v8::Local<v8::Function> function(v8::Function::Cast(*value));

   136     OwnArrayPtr<v8::Handle<v8::Value> > args(new v8::Handle<v8::Value>[m_arguments.size()]);

   137     for (size_t i = 0; i < m_arguments.size(); ++i)

   138         args[i] = m_arguments[i].v8Value();

   139 

   140     v8::Local<v8::Value> result = function->Call(thisObject, m_arguments.size(), args.get());

   141     if (!scope.success()) {

   142         hadException = true;

   143         return ScriptValue();

   144     }

   145 

   146     return ScriptValue(result);

   147 }

   148 

   149 ScriptValue ScriptFunctionCall::call()

   150 {

   151     bool hadException = false;

   152     return call(hadException);

   153 }

   154 

   155 ScriptObject ScriptFunctionCall::construct(bool& hadException, bool reportExceptions)

   156 {

   157     ScriptScope scope(m_scriptState, reportExceptions);

   158 

   159     v8::Local<v8::Object> thisObject = m_thisObject.v8Object();

   160     v8::Local<v8::Value> value = thisObject->Get(v8String(m_name));

   161     if (!scope.success()) {

   162         hadException = true;

   163         return ScriptObject();

   164     }

   165 

   166     ASSERT(value->IsFunction());

   167 

   168     v8::Local<v8::Function> constructor(v8::Function::Cast(*value));

   169     OwnArrayPtr<v8::Handle<v8::Value> > args(new v8::Handle<v8::Value>[m_arguments.size()]);

   170     for (size_t i = 0; i < m_arguments.size(); ++i)

   171         args[i] = m_arguments[i].v8Value();

   172 

   173     v8::Local<v8::Object> result = SafeAllocation::newInstance(constructor, m_arguments.size(), args.get());

   174     if (!scope.success()) {

   175         hadException = true;

   176         return ScriptObject();

   177     }

   178 

   179     return ScriptObject(m_scriptState, result);

   180 }

   181 

   182 } // namespace WebCore