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 "src/inspector/v8-function-call.h"
32
33#include "src/inspector/inspected-context.h"
34#include "src/inspector/string-util.h"
35#include "src/inspector/v8-debugger.h"
36#include "src/inspector/v8-inspector-impl.h"
37
38#include "include/v8-inspector.h"
39
40namespace v8_inspector {
41
42V8FunctionCall::V8FunctionCall(V8InspectorImpl* inspector,
43                               v8::Local<v8::Context> context,
44                               v8::Local<v8::Value> value, const String16& name)
45    : m_inspector(inspector),
46      m_context(context),
47      m_name(toV8String(context->GetIsolate(), name)),
48      m_value(value) {}
49
50void V8FunctionCall::appendArgument(v8::Local<v8::Value> value) {
51  m_arguments.push_back(value);
52}
53
54void V8FunctionCall::appendArgument(const String16& argument) {
55  m_arguments.push_back(toV8String(m_context->GetIsolate(), argument));
56}
57
58void V8FunctionCall::appendArgument(int argument) {
59  m_arguments.push_back(v8::Number::New(m_context->GetIsolate(), argument));
60}
61
62void V8FunctionCall::appendArgument(bool argument) {
63  m_arguments.push_back(argument ? v8::True(m_context->GetIsolate())
64                                 : v8::False(m_context->GetIsolate()));
65}
66
67v8::Local<v8::Value> V8FunctionCall::call(bool& hadException,
68                                          bool reportExceptions) {
69  v8::TryCatch tryCatch(m_context->GetIsolate());
70  tryCatch.SetVerbose(reportExceptions);
71
72  v8::Local<v8::Value> result = callWithoutExceptionHandling();
73  hadException = tryCatch.HasCaught();
74  return result;
75}
76
77v8::Local<v8::Value> V8FunctionCall::callWithoutExceptionHandling() {
78  v8::Local<v8::Object> thisObject = v8::Local<v8::Object>::Cast(m_value);
79  v8::Local<v8::Value> value;
80  if (!thisObject->Get(m_context, m_name).ToLocal(&value))
81    return v8::Local<v8::Value>();
82
83  DCHECK(value->IsFunction());
84
85  v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(value);
86  std::unique_ptr<v8::Local<v8::Value>[]> info(
87      new v8::Local<v8::Value>[m_arguments.size()]);
88  for (size_t i = 0; i < m_arguments.size(); ++i) {
89    info[i] = m_arguments[i];
90    DCHECK(!info[i].IsEmpty());
91  }
92
93  int contextGroupId = m_inspector->contextGroupId(m_context);
94  if (contextGroupId) {
95    m_inspector->client()->muteMetrics(contextGroupId);
96    m_inspector->muteExceptions(contextGroupId);
97  }
98  v8::MicrotasksScope microtasksScope(m_context->GetIsolate(),
99                                      v8::MicrotasksScope::kDoNotRunMicrotasks);
100  v8::MaybeLocal<v8::Value> maybeResult = function->Call(
101      m_context, thisObject, static_cast<int>(m_arguments.size()), info.get());
102  if (contextGroupId) {
103    m_inspector->client()->unmuteMetrics(contextGroupId);
104    m_inspector->unmuteExceptions(contextGroupId);
105  }
106
107  v8::Local<v8::Value> result;
108  if (!maybeResult.ToLocal(&result)) return v8::Local<v8::Value>();
109  return result;
110}
111
112}  // namespace v8_inspector
113