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 "bindings/core/v8/ScriptFunctionCall.h" 33 34 #include "bindings/core/v8/ScriptController.h" 35 #include "bindings/core/v8/ScriptState.h" 36 #include "bindings/core/v8/ScriptValue.h" 37 #include "bindings/core/v8/V8Binding.h" 38 #include "bindings/core/v8/V8ObjectConstructor.h" 39 #include "bindings/core/v8/V8ScriptRunner.h" 40 41 #include <v8.h> 42 43 namespace blink { 44 45 void ScriptCallArgumentHandler::appendArgument(const ScriptValue& argument) 46 { 47 if (argument.scriptState() != m_scriptState) { 48 appendUndefinedArgument(); 49 return; 50 } 51 m_arguments.append(argument); 52 } 53 54 void ScriptCallArgumentHandler::appendArgument(const String& argument) 55 { 56 v8::Isolate* isolate = m_scriptState->isolate(); 57 ScriptState::Scope scope(m_scriptState.get()); 58 m_arguments.append(ScriptValue(m_scriptState.get(), v8String(isolate, argument))); 59 } 60 61 void ScriptCallArgumentHandler::appendArgument(const char* argument) 62 { 63 v8::Isolate* isolate = m_scriptState->isolate(); 64 ScriptState::Scope scope(m_scriptState.get()); 65 m_arguments.append(ScriptValue(m_scriptState.get(), v8String(isolate, argument))); 66 } 67 68 void ScriptCallArgumentHandler::appendArgument(long argument) 69 { 70 v8::Isolate* isolate = m_scriptState->isolate(); 71 ScriptState::Scope scope(m_scriptState.get()); 72 m_arguments.append(ScriptValue(m_scriptState.get(), v8::Number::New(isolate, argument))); 73 } 74 75 void ScriptCallArgumentHandler::appendArgument(long long argument) 76 { 77 v8::Isolate* isolate = m_scriptState->isolate(); 78 ScriptState::Scope scope(m_scriptState.get()); 79 m_arguments.append(ScriptValue(m_scriptState.get(), v8::Number::New(isolate, argument))); 80 } 81 82 void ScriptCallArgumentHandler::appendArgument(unsigned argument) 83 { 84 v8::Isolate* isolate = m_scriptState->isolate(); 85 ScriptState::Scope scope(m_scriptState.get()); 86 m_arguments.append(ScriptValue(m_scriptState.get(), v8::Number::New(isolate, argument))); 87 } 88 89 void ScriptCallArgumentHandler::appendArgument(unsigned long argument) 90 { 91 v8::Isolate* isolate = m_scriptState->isolate(); 92 ScriptState::Scope scope(m_scriptState.get()); 93 m_arguments.append(ScriptValue(m_scriptState.get(), v8::Number::New(isolate, argument))); 94 } 95 96 void ScriptCallArgumentHandler::appendArgument(int argument) 97 { 98 v8::Isolate* isolate = m_scriptState->isolate(); 99 ScriptState::Scope scope(m_scriptState.get()); 100 m_arguments.append(ScriptValue(m_scriptState.get(), v8::Number::New(isolate, argument))); 101 } 102 103 void ScriptCallArgumentHandler::appendArgument(bool argument) 104 { 105 v8::Isolate* isolate = m_scriptState->isolate(); 106 m_arguments.append(ScriptValue(m_scriptState.get(), v8Boolean(argument, isolate))); 107 } 108 109 void ScriptCallArgumentHandler::appendArgument(const Vector<ScriptValue>& argument) 110 { 111 v8::Isolate* isolate = m_scriptState->isolate(); 112 ScriptState::Scope scope(m_scriptState.get()); 113 v8::Handle<v8::Array> result = v8::Array::New(isolate, argument.size()); 114 for (size_t i = 0; i < argument.size(); ++i) { 115 if (argument[i].scriptState() != m_scriptState) 116 result->Set(v8::Integer::New(isolate, i), v8::Undefined(isolate)); 117 else 118 result->Set(v8::Integer::New(isolate, i), argument[i].v8Value()); 119 } 120 m_arguments.append(ScriptValue(m_scriptState.get(), result)); 121 } 122 123 void ScriptCallArgumentHandler::appendUndefinedArgument() 124 { 125 v8::Isolate* isolate = m_scriptState->isolate(); 126 m_arguments.append(ScriptValue(m_scriptState.get(), v8::Undefined(isolate))); 127 } 128 129 ScriptFunctionCall::ScriptFunctionCall(const ScriptValue& thisObject, const String& name) 130 : ScriptCallArgumentHandler(thisObject.scriptState()) 131 , m_thisObject(thisObject) 132 , m_name(name) 133 { 134 } 135 136 ScriptValue ScriptFunctionCall::call(bool& hadException, bool reportExceptions) 137 { 138 ScriptState::Scope scope(m_scriptState.get()); 139 v8::TryCatch tryCatch; 140 tryCatch.SetVerbose(reportExceptions); 141 142 v8::Handle<v8::Object> thisObject = v8::Handle<v8::Object>::Cast(m_thisObject.v8Value()); 143 v8::Local<v8::Value> value = thisObject->Get(v8String(m_scriptState->isolate(), m_name)); 144 if (tryCatch.HasCaught()) { 145 hadException = true; 146 return ScriptValue(); 147 } 148 149 ASSERT(value->IsFunction()); 150 151 v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(value); 152 OwnPtr<v8::Handle<v8::Value>[]> info = adoptArrayPtr(new v8::Handle<v8::Value>[m_arguments.size()]); 153 for (size_t i = 0; i < m_arguments.size(); ++i) { 154 info[i] = m_arguments[i].v8Value(); 155 ASSERT(!info[i].IsEmpty()); 156 } 157 158 v8::Local<v8::Value> result = V8ScriptRunner::callFunction(function, m_scriptState->executionContext(), thisObject, m_arguments.size(), info.get(), m_scriptState->isolate()); 159 if (tryCatch.HasCaught()) { 160 hadException = true; 161 return ScriptValue(); 162 } 163 164 return ScriptValue(m_scriptState.get(), result); 165 } 166 167 ScriptValue ScriptFunctionCall::call() 168 { 169 bool hadException = false; 170 return call(hadException); 171 } 172 173 ScriptValue ScriptFunctionCall::construct(bool& hadException, bool reportExceptions) 174 { 175 ScriptState::Scope scope(m_scriptState.get()); 176 v8::TryCatch tryCatch; 177 tryCatch.SetVerbose(reportExceptions); 178 179 v8::Handle<v8::Object> thisObject = v8::Handle<v8::Object>::Cast(m_thisObject.v8Value()); 180 v8::Local<v8::Value> value = thisObject->Get(v8String(m_scriptState->isolate(), m_name)); 181 if (tryCatch.HasCaught()) { 182 hadException = true; 183 return ScriptValue(); 184 } 185 186 ASSERT(value->IsFunction()); 187 188 v8::Local<v8::Function> constructor = v8::Local<v8::Function>::Cast(value); 189 OwnPtr<v8::Handle<v8::Value>[]> info = adoptArrayPtr(new v8::Handle<v8::Value>[m_arguments.size()]); 190 for (size_t i = 0; i < m_arguments.size(); ++i) 191 info[i] = m_arguments[i].v8Value(); 192 193 v8::Local<v8::Object> result = V8ObjectConstructor::newInstance(m_scriptState->isolate(), constructor, m_arguments.size(), info.get()); 194 if (tryCatch.HasCaught()) { 195 hadException = true; 196 return ScriptValue(); 197 } 198 199 return ScriptValue(m_scriptState.get(), result); 200 } 201 202 } // namespace blink 203
