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
40 namespace v8_inspector {
41
V8FunctionCall(V8InspectorImpl * inspector,v8::Local<v8::Context> context,v8::Local<v8::Value> value,const String16 & name)42 V8FunctionCall::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
appendArgument(v8::Local<v8::Value> value)50 void V8FunctionCall::appendArgument(v8::Local<v8::Value> value) {
51 m_arguments.push_back(value);
52 }
53
appendArgument(const String16 & argument)54 void V8FunctionCall::appendArgument(const String16& argument) {
55 m_arguments.push_back(toV8String(m_context->GetIsolate(), argument));
56 }
57
appendArgument(int argument)58 void V8FunctionCall::appendArgument(int argument) {
59 m_arguments.push_back(v8::Number::New(m_context->GetIsolate(), argument));
60 }
61
appendArgument(bool argument)62 void V8FunctionCall::appendArgument(bool argument) {
63 m_arguments.push_back(argument ? v8::True(m_context->GetIsolate())
64 : v8::False(m_context->GetIsolate()));
65 }
66
call(bool & hadException,bool reportExceptions)67 v8::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
callWithoutExceptionHandling()77 v8::Local<v8::Value> V8FunctionCall::callWithoutExceptionHandling() {
78 v8::Context::Scope contextScope(m_context);
79
80 v8::Local<v8::Object> thisObject = v8::Local<v8::Object>::Cast(m_value);
81 v8::Local<v8::Value> value;
82 if (!thisObject->Get(m_context, m_name).ToLocal(&value))
83 return v8::Local<v8::Value>();
84
85 DCHECK(value->IsFunction());
86
87 v8::Local<v8::Function> function = v8::Local<v8::Function>::Cast(value);
88 std::unique_ptr<v8::Local<v8::Value>[]> info(
89 new v8::Local<v8::Value>[m_arguments.size()]);
90 for (size_t i = 0; i < m_arguments.size(); ++i) {
91 info[i] = m_arguments[i];
92 DCHECK(!info[i].IsEmpty());
93 }
94
95 int contextGroupId = m_inspector->contextGroupId(m_context);
96 if (contextGroupId) {
97 m_inspector->client()->muteMetrics(contextGroupId);
98 m_inspector->muteExceptions(contextGroupId);
99 }
100 v8::MicrotasksScope microtasksScope(m_context->GetIsolate(),
101 v8::MicrotasksScope::kDoNotRunMicrotasks);
102 v8::Isolate::AllowJavascriptExecutionScope(m_context->GetIsolate());
103 v8::MaybeLocal<v8::Value> maybeResult = function->Call(
104 m_context, thisObject, static_cast<int>(m_arguments.size()), info.get());
105 if (contextGroupId) {
106 m_inspector->client()->unmuteMetrics(contextGroupId);
107 m_inspector->unmuteExceptions(contextGroupId);
108 }
109
110 v8::Local<v8::Value> result;
111 if (!maybeResult.ToLocal(&result)) return v8::Local<v8::Value>();
112 return result;
113 }
114
115 } // namespace v8_inspector
116