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Side by Side Diff: src/inspector/JavaScriptCallFrame.cpp

Issue 2300823002: Revert of [inspector] Initial import of v8_inspector. (Closed)
Patch Set: Created 4 years, 3 months ago
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1 /*
2 * Copyright (c) 2010, 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/JavaScriptCallFrame.h"
32
33 #include "src/inspector/StringUtil.h"
34 #include "src/inspector/V8Compat.h"
35
36 #include <v8-debug.h>
37
38 namespace v8_inspector {
39
40 JavaScriptCallFrame::JavaScriptCallFrame(v8::Local<v8::Context> debuggerContext, v8::Local<v8::Object> callFrame)
41 : m_isolate(debuggerContext->GetIsolate())
42 , m_debuggerContext(m_isolate, debuggerContext)
43 , m_callFrame(m_isolate, callFrame)
44 {
45 }
46
47 JavaScriptCallFrame::~JavaScriptCallFrame()
48 {
49 }
50
51 int JavaScriptCallFrame::callV8FunctionReturnInt(const char* name) const
52 {
53 v8::HandleScope handleScope(m_isolate);
54 v8::MicrotasksScope microtasks(m_isolate, v8::MicrotasksScope::kDoNotRunMicr otasks);
55 v8::Local<v8::Context> context = v8::Local<v8::Context>::New(m_isolate, m_de buggerContext);
56 v8::Local<v8::Object> callFrame = v8::Local<v8::Object>::New(m_isolate, m_ca llFrame);
57 v8::Local<v8::Function> func = v8::Local<v8::Function>::Cast(callFrame->Get( toV8StringInternalized(m_isolate, name)));
58 v8::Local<v8::Value> result;
59 if (!func->Call(context, callFrame, 0, nullptr).ToLocal(&result) || !result- >IsInt32())
60 return 0;
61 return result.As<v8::Int32>()->Value();
62 }
63
64 int JavaScriptCallFrame::sourceID() const
65 {
66 return callV8FunctionReturnInt("sourceID");
67 }
68
69 int JavaScriptCallFrame::line() const
70 {
71 return callV8FunctionReturnInt("line");
72 }
73
74 int JavaScriptCallFrame::column() const
75 {
76 return callV8FunctionReturnInt("column");
77 }
78
79 int JavaScriptCallFrame::contextId() const
80 {
81 return callV8FunctionReturnInt("contextId");
82 }
83
84 bool JavaScriptCallFrame::isAtReturn() const
85 {
86 v8::HandleScope handleScope(m_isolate);
87 v8::Local<v8::Value> result = v8::Local<v8::Object>::New(m_isolate, m_callFr ame)->Get(toV8StringInternalized(m_isolate, "isAtReturn"));
88 if (result.IsEmpty() || !result->IsBoolean())
89 return false;
90 return result->BooleanValue();
91 }
92
93 v8::Local<v8::Object> JavaScriptCallFrame::details() const
94 {
95 v8::MicrotasksScope microtasks(m_isolate, v8::MicrotasksScope::kDoNotRunMicr otasks);
96 v8::Local<v8::Object> callFrame = v8::Local<v8::Object>::New(m_isolate, m_ca llFrame);
97 v8::Local<v8::Function> func = v8::Local<v8::Function>::Cast(callFrame->Get( toV8StringInternalized(m_isolate, "details")));
98 return v8::Local<v8::Object>::Cast(func->Call(m_debuggerContext.Get(m_isolat e), callFrame, 0, nullptr).ToLocalChecked());
99 }
100
101 v8::MaybeLocal<v8::Value> JavaScriptCallFrame::evaluate(v8::Local<v8::Value> exp ression)
102 {
103 v8::MicrotasksScope microtasks(m_isolate, v8::MicrotasksScope::kRunMicrotask s);
104 v8::Local<v8::Object> callFrame = v8::Local<v8::Object>::New(m_isolate, m_ca llFrame);
105 v8::Local<v8::Function> evalFunction = v8::Local<v8::Function>::Cast(callFra me->Get(toV8StringInternalized(m_isolate, "evaluate")));
106 return evalFunction->Call(m_debuggerContext.Get(m_isolate), callFrame, 1, &e xpression);
107 }
108
109 v8::MaybeLocal<v8::Value> JavaScriptCallFrame::restart()
110 {
111 v8::MicrotasksScope microtasks(m_isolate, v8::MicrotasksScope::kDoNotRunMicr otasks);
112 v8::Local<v8::Object> callFrame = v8::Local<v8::Object>::New(m_isolate, m_ca llFrame);
113 v8::Local<v8::Function> restartFunction = v8::Local<v8::Function>::Cast(call Frame->Get(toV8StringInternalized(m_isolate, "restart")));
114 v8::Debug::SetLiveEditEnabled(m_isolate, true);
115 v8::MaybeLocal<v8::Value> result = restartFunction->Call(m_debuggerContext.G et(m_isolate), callFrame, 0, nullptr);
116 v8::Debug::SetLiveEditEnabled(m_isolate, false);
117 return result;
118 }
119
120 v8::MaybeLocal<v8::Value> JavaScriptCallFrame::setVariableValue(int scopeNumber, v8::Local<v8::Value> variableName, v8::Local<v8::Value> newValue)
121 {
122 v8::MicrotasksScope microtasks(m_isolate, v8::MicrotasksScope::kDoNotRunMicr otasks);
123 v8::Local<v8::Object> callFrame = v8::Local<v8::Object>::New(m_isolate, m_ca llFrame);
124 v8::Local<v8::Function> setVariableValueFunction = v8::Local<v8::Function>:: Cast(callFrame->Get(toV8StringInternalized(m_isolate, "setVariableValue")));
125 v8::Local<v8::Value> argv[] = {
126 v8::Local<v8::Value>(v8::Integer::New(m_isolate, scopeNumber)),
127 variableName,
128 newValue
129 };
130 return setVariableValueFunction->Call(m_debuggerContext.Get(m_isolate), call Frame, V8_INSPECTOR_ARRAY_LENGTH(argv), argv);
131 }
132
133 } // namespace v8_inspector
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