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
43namespace blink {
44
45void ScriptCallArgumentHandler::appendArgument(const ScriptValue& argument)
46{
47    if (argument.scriptState() != m_scriptState) {
48        appendUndefinedArgument();
49        return;
50    }
51    m_arguments.append(argument);
52}
53
54void 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
61void 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
68void 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
75void 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
82void 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
89void 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
96void 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
103void 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
109void 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
123void ScriptCallArgumentHandler::appendUndefinedArgument()
124{
125    v8::Isolate* isolate = m_scriptState->isolate();
126    m_arguments.append(ScriptValue(m_scriptState.get(), v8::Undefined(isolate)));
127}
128
129ScriptFunctionCall::ScriptFunctionCall(const ScriptValue& thisObject, const String& name)
130    : ScriptCallArgumentHandler(thisObject.scriptState())
131    , m_thisObject(thisObject)
132    , m_name(name)
133{
134}
135
136ScriptValue 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
167ScriptValue ScriptFunctionCall::call()
168{
169    bool hadException = false;
170    return call(hadException);
171}
172
173ScriptValue 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