/*
* 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 "src/inspector/java-script-call-frame.h"
#include "src/debug/debug-interface.h"
#include "src/inspector/string-util.h"
namespace v8_inspector {
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(context, toV8StringInternalized(m_isolate, name))
.ToLocalChecked());
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::contextId() const {
return callV8FunctionReturnInt("contextId");
}
bool JavaScriptCallFrame::isAtReturn() const {
v8::HandleScope handleScope(m_isolate);
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::Value> result;
if (!callFrame->Get(context, toV8StringInternalized(m_isolate, "isAtReturn"))
.ToLocal(&result) ||
!result->IsBoolean())
return false;
return result.As<v8::Boolean>()->BooleanValue(context).FromMaybe(false);
}
v8::MaybeLocal<v8::Object> JavaScriptCallFrame::details() const {
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(context, toV8StringInternalized(m_isolate, "details"))
.ToLocalChecked());
v8::TryCatch try_catch(m_isolate);
v8::Local<v8::Value> details;
if (func->Call(context, callFrame, 0, nullptr).ToLocal(&details)) {
return v8::Local<v8::Object>::Cast(details);
}
return v8::MaybeLocal<v8::Object>();
}
v8::MaybeLocal<v8::Value> JavaScriptCallFrame::evaluate(
v8::Local<v8::Value> expression, bool throwOnSideEffect) {
v8::MicrotasksScope microtasks(m_isolate,
v8::MicrotasksScope::kRunMicrotasks);
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> evalFunction = v8::Local<v8::Function>::Cast(
callFrame->Get(context, toV8StringInternalized(m_isolate, "evaluate"))
.ToLocalChecked());
v8::Local<v8::Value> argv[] = {
expression, v8::Boolean::New(m_isolate, throwOnSideEffect)};
return evalFunction->Call(context, callFrame, arraysize(argv), argv);
}
v8::MaybeLocal<v8::Value> JavaScriptCallFrame::restart() {
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> restartFunction = v8::Local<v8::Function>::Cast(
callFrame->Get(context, toV8StringInternalized(m_isolate, "restart"))
.ToLocalChecked());
v8::TryCatch try_catch(m_isolate);
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::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> setVariableValueFunction =
v8::Local<v8::Function>::Cast(
callFrame
->Get(context,
toV8StringInternalized(m_isolate, "setVariableValue"))
.ToLocalChecked());
v8::Local<v8::Value> argv[] = {
v8::Local<v8::Value>(v8::Integer::New(m_isolate, scopeNumber)),
variableName, newValue};
v8::TryCatch try_catch(m_isolate);
return setVariableValueFunction->Call(context, callFrame, arraysize(argv),
argv);
}
} // namespace v8_inspector