| /* |
| * Copyright (c) 2010, Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "platform/v8_inspector/JavaScriptCallFrame.h" |
| |
| #include "platform/v8_inspector/V8Compat.h" |
| #include "platform/v8_inspector/V8StringUtil.h" |
| |
| #include <v8-debug.h> |
| |
| namespace blink { |
| |
| JavaScriptCallFrame::JavaScriptCallFrame(v8::Local<v8::Context> debuggerContext, v8::Local<v8::Object> callFrame) |
| : m_isolate(debuggerContext->GetIsolate()) |
| , m_debuggerContext(m_isolate, debuggerContext) |
| , m_callFrame(m_isolate, callFrame) |
| { |
| } |
| |
| JavaScriptCallFrame::~JavaScriptCallFrame() |
| { |
| } |
| |
| int JavaScriptCallFrame::callV8FunctionReturnInt(const char* name) const |
| { |
| v8::HandleScope handleScope(m_isolate); |
| v8::MicrotasksScope microtasks(m_isolate, v8::MicrotasksScope::kDoNotRunMicrotasks); |
| v8::Local<v8::Context> context = v8::Local<v8::Context>::New(m_isolate, m_debuggerContext); |
| v8::Local<v8::Object> callFrame = v8::Local<v8::Object>::New(m_isolate, m_callFrame); |
| v8::Local<v8::Function> func = v8::Local<v8::Function>::Cast(callFrame->Get(toV8StringInternalized(m_isolate, name))); |
| v8::Local<v8::Value> result; |
| if (!func->Call(context, callFrame, 0, nullptr).ToLocal(&result) || !result->IsInt32()) |
| return 0; |
| return result.As<v8::Int32>()->Value(); |
| } |
| |
| int JavaScriptCallFrame::sourceID() const |
| { |
| return callV8FunctionReturnInt("sourceID"); |
| } |
| |
| int JavaScriptCallFrame::line() const |
| { |
| return callV8FunctionReturnInt("line"); |
| } |
| |
| int JavaScriptCallFrame::column() const |
| { |
| return callV8FunctionReturnInt("column"); |
| } |
| |
| int JavaScriptCallFrame::contextId() const |
| { |
| return callV8FunctionReturnInt("contextId"); |
| } |
| |
| bool JavaScriptCallFrame::isAtReturn() const |
| { |
| v8::HandleScope handleScope(m_isolate); |
| v8::Local<v8::Value> result = v8::Local<v8::Object>::New(m_isolate, m_callFrame)->Get(toV8StringInternalized(m_isolate, "isAtReturn")); |
| if (result.IsEmpty() || !result->IsBoolean()) |
| return false; |
| return result->BooleanValue(); |
| } |
| |
| v8::Local<v8::Object> JavaScriptCallFrame::details() const |
| { |
| v8::MicrotasksScope microtasks(m_isolate, v8::MicrotasksScope::kDoNotRunMicrotasks); |
| v8::Local<v8::Object> callFrame = v8::Local<v8::Object>::New(m_isolate, m_callFrame); |
| v8::Local<v8::Function> func = v8::Local<v8::Function>::Cast(callFrame->Get(toV8StringInternalized(m_isolate, "details"))); |
| return v8::Local<v8::Object>::Cast(func->Call(m_debuggerContext.Get(m_isolate), callFrame, 0, nullptr).ToLocalChecked()); |
| } |
| |
| v8::MaybeLocal<v8::Value> JavaScriptCallFrame::evaluate(v8::Local<v8::Value> expression) |
| { |
| v8::MicrotasksScope microtasks(m_isolate, v8::MicrotasksScope::kRunMicrotasks); |
| v8::Local<v8::Object> callFrame = v8::Local<v8::Object>::New(m_isolate, m_callFrame); |
| v8::Local<v8::Function> evalFunction = v8::Local<v8::Function>::Cast(callFrame->Get(toV8StringInternalized(m_isolate, "evaluate"))); |
| return evalFunction->Call(m_debuggerContext.Get(m_isolate), callFrame, 1, &expression); |
| } |
| |
| v8::MaybeLocal<v8::Value> JavaScriptCallFrame::restart() |
| { |
| v8::MicrotasksScope microtasks(m_isolate, v8::MicrotasksScope::kDoNotRunMicrotasks); |
| v8::Local<v8::Object> callFrame = v8::Local<v8::Object>::New(m_isolate, m_callFrame); |
| v8::Local<v8::Function> restartFunction = v8::Local<v8::Function>::Cast(callFrame->Get(toV8StringInternalized(m_isolate, "restart"))); |
| v8::Debug::SetLiveEditEnabled(m_isolate, true); |
| v8::MaybeLocal<v8::Value> result = restartFunction->Call(m_debuggerContext.Get(m_isolate), callFrame, 0, nullptr); |
| v8::Debug::SetLiveEditEnabled(m_isolate, false); |
| return result; |
| } |
| |
| v8::MaybeLocal<v8::Value> JavaScriptCallFrame::setVariableValue(int scopeNumber, v8::Local<v8::Value> variableName, v8::Local<v8::Value> newValue) |
| { |
| v8::MicrotasksScope microtasks(m_isolate, v8::MicrotasksScope::kDoNotRunMicrotasks); |
| v8::Local<v8::Object> callFrame = v8::Local<v8::Object>::New(m_isolate, m_callFrame); |
| v8::Local<v8::Function> setVariableValueFunction = v8::Local<v8::Function>::Cast(callFrame->Get(toV8StringInternalized(m_isolate, "setVariableValue"))); |
| v8::Local<v8::Value> argv[] = { |
| v8::Local<v8::Value>(v8::Integer::New(m_isolate, scopeNumber)), |
| variableName, |
| newValue |
| }; |
| return setVariableValueFunction->Call(m_debuggerContext.Get(m_isolate), callFrame, PROTOCOL_ARRAY_LENGTH(argv), argv); |
| } |
| |
| } // namespace blink |