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/*
* LLDB-specific variable
* Copyright 2016 Aetf <aetf@unlimitedcodeworks.xyz>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License or (at your option) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "variable.h"
#include "debuglog.h"
#include "debugsession.h"
#include "mi/micommand.h"
#include "stringhelpers.h"
#include <QString>
using namespace KDevelop;
using namespace KDevMI::LLDB;
using namespace KDevMI::MI;
LldbVariable::LldbVariable(DebugSession *session, TreeModel *model, TreeItem *parent,
const QString& expression, const QString& display)
: MIVariable(session, model, parent, expression, display)
{
}
void LldbVariable::refetch()
{
if (!topLevel() || varobj().isEmpty()) {
return;
}
if (!sessionIsAlive()) {
return;
}
// update the value itself
QPointer<LldbVariable> guarded_this(this);
m_debugSession->addCommand(VarEvaluateExpression, varobj(), [guarded_this](const ResultRecord &r){
if (guarded_this && r.reason == QLatin1String("done") && r.hasField(QStringLiteral("value"))) {
guarded_this->setValue(guarded_this->formatValue(r[QStringLiteral("value")].literal()));
}
});
// update children
// remove all children first, this will cause some gliches in the UI, but there's no good way
// that we can know if there's anything changed
if (isExpanded() || !childCount()) {
deleteChildren();
fetchMoreChildren();
}
}
void LldbVariable::handleRawUpdate(const ResultRecord& r)
{
qCDebug(DEBUGGERLLDB) << "handleRawUpdate for variable" << varobj();
const Value& changelist = r[QStringLiteral("changelist")];
Q_ASSERT_X(changelist.size() <= 1, "LldbVariable::handleRawUpdate",
"should only be used with one variable VarUpdate");
if (changelist.size() == 1)
handleUpdate(changelist[0]);
}
void LldbVariable::formatChanged()
{
if(childCount())
{
foreach(TreeItem* item, childItems) {
Q_ASSERT(dynamic_cast<MIVariable*>(item));
if( MIVariable* var=dynamic_cast<MIVariable*>(item))
var->setFormat(format());
}
}
else
{
if (sessionIsAlive()) {
QPointer<LldbVariable> guarded_this(this);
m_debugSession->addCommand(
VarSetFormat,
QStringLiteral(" %1 %2 ").arg(varobj(), format2str(format())),
[guarded_this](const ResultRecord &r){
if(guarded_this && r.hasField(QStringLiteral("changelist"))) {
if (r[QStringLiteral("changelist")].size() > 0) {
guarded_this->handleRawUpdate(r);
}
}
});
}
}
}
QString LldbVariable::formatValue(const QString& value) const
{
// Data formatter emits value with unicode escape sequence for string and char,
// translate them back.
// Only check with first char is enough, as unquote will do the rest check
if (value.startsWith(QLatin1Char('"'))) {
return Utils::quote(Utils::unquote(value, true));
} else if (value.startsWith(QLatin1Char('\''))) {
return Utils::quote(Utils::unquote(value, true, QLatin1Char('\'')), QLatin1Char('\''));
} else if (value.startsWith(QLatin1Char('b'))) {
// this is a byte array, don't translate unicode, simply return without 'b' prefix
return value.mid(1);
}
return value;
}
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