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/string-util.h"
34 #include "src/inspector/v8-debugger.h"
35 #include "src/inspector/v8-inspector-impl.h"
36
37 #include "include/v8-inspector.h"
38
39 namespace v8_inspector {
40
V8FunctionCall(V8InspectorImpl * inspector,v8::Local<v8::Context> context,v8::Local<v8::Value> value,const String16 & name)41 V8FunctionCall::V8FunctionCall(V8InspectorImpl* inspector,
42 v8::Local<v8::Context> context,
43 v8::Local<v8::Value> value, const String16& name)
44 : m_inspector(inspector),
45 m_context(context),
46 m_name(toV8String(context->GetIsolate(), name)),
47 m_value(value) {}
48
appendArgument(v8::Local<v8::Value> value)49 void V8FunctionCall::appendArgument(v8::Local<v8::Value> value) {
50 m_arguments.push_back(value);
51 }
52
appendArgument(const String16 & argument)53 void V8FunctionCall::appendArgument(const String16& argument) {
54 m_arguments.push_back(toV8String(m_context->GetIsolate(), argument));
55 }
56
appendArgument(int argument)57 void V8FunctionCall::appendArgument(int argument) {
58 m_arguments.push_back(v8::Number::New(m_context->GetIsolate(), argument));
59 }
60
appendArgument(bool argument)61 void V8FunctionCall::appendArgument(bool argument) {
62 m_arguments.push_back(argument ? v8::True(m_context->GetIsolate())
63 : v8::False(m_context->GetIsolate()));
64 }
65
call(bool & hadException,bool reportExceptions)66 v8::Local<v8::Value> V8FunctionCall::call(bool& hadException,
67 bool reportExceptions) {
68 v8::TryCatch tryCatch(m_context->GetIsolate());
69 tryCatch.SetVerbose(reportExceptions);
70
71 v8::Local<v8::Value> result = callWithoutExceptionHandling();
72 hadException = tryCatch.HasCaught();
73 return result;
74 }
75
callWithoutExceptionHandling()76 v8::Local<v8::Value> V8FunctionCall::callWithoutExceptionHandling() {
77 v8::Local<v8::Object> thisObject = v8::Local<v8::Object>::Cast(m_value);
78 v8::Local<v8::Value> value;
79 if (!thisObject->Get(m_context, m_name).ToLocal(&value))
80 return v8::Local<v8::Value>();
81
82 DCHECK(value->IsFunction());
83
84 v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(value);
85 std::unique_ptr<v8::Local<v8::Value>[]> info(
86 new v8::Local<v8::Value>[m_arguments.size()]);
87 for (size_t i = 0; i < m_arguments.size(); ++i) {
88 info[i] = m_arguments[i];
89 DCHECK(!info[i].IsEmpty());
90 }
91
92 int contextGroupId = V8Debugger::getGroupId(m_context);
93 if (contextGroupId) {
94 m_inspector->client()->muteMetrics(contextGroupId);
95 m_inspector->muteExceptions(contextGroupId);
96 }
97 v8::MicrotasksScope microtasksScope(m_context->GetIsolate(),
98 v8::MicrotasksScope::kDoNotRunMicrotasks);
99 v8::MaybeLocal<v8::Value> maybeResult = function->Call(
100 m_context, thisObject, static_cast<int>(m_arguments.size()), info.get());
101 if (contextGroupId) {
102 m_inspector->client()->unmuteMetrics(contextGroupId);
103 m_inspector->unmuteExceptions(contextGroupId);
104 }
105
106 v8::Local<v8::Value> result;
107 if (!maybeResult.ToLocal(&result)) return v8::Local<v8::Value>();
108 return result;
109 }
110
111 } // namespace v8_inspector
112