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qt-creator/src/plugins/debugger/watchhandler.cpp
Kai Koehne 6902ee2617 Debugger: Fix warnings on qt creator startup 
Predefined entries like "Locals" do not have a value.

Remove asserts on every startup:

SOFT ASSERT: "!result.isEmpty()" in file
/home/kkoehne/dev/creator-2.8/src/plugins/debugger/watchhandler.cpp,
line 956

Change-Id: I16b97c61256c6083440b9fa228113be9d0867e5d
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
Reviewed-by: hjk <hjk121@nokiamail.com>
2013-04-02 13:26:56 +02:00

2082 lines
63 KiB
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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "watchhandler.h"
#include "breakhandler.h"
#include "debuggeractions.h"
#include "debuggercore.h"
#include "debuggerdialogs.h"
#include "debuggerengine.h"
#include "debuggerinternalconstants.h"
#include "debuggerprotocol.h"
#include "imageviewer.h"
#include "watchutils.h"
#include <utils/qtcassert.h>
#include <utils/savedaction.h>
#include <cplusplus/CppRewriter.h>
#include <QDebug>
#include <QProcess>
#include <QtAlgorithms>
#include <QTextEdit>
#include <ctype.h>
//#define USE_WATCH_MODEL_TEST 0
//#define USE_EXPENSIVE_CHECKS 0
#if USE_WATCH_MODEL_TEST
#include "modeltest.h"
#endif
namespace Debugger {
namespace Internal {
// Creates debug output for accesses to the model.
enum { debugModel = 0 };
#define MODEL_DEBUG(s) do { if (debugModel) qDebug() << s; } while (0)
#if USE_EXPENSIVE_CHECKS
#define CHECK(s) s
#else
#define CHECK(s)
#endif
static QHash<QByteArray, int> theWatcherNames;
static QHash<QByteArray, int> theTypeFormats;
static QHash<QByteArray, int> theIndividualFormats;
static int theUnprintableBase = -1;
static QByteArray stripForFormat(const QByteArray &ba)
{
QByteArray res;
res.reserve(ba.size());
int inArray = 0;
for (int i = 0; i != ba.size(); ++i) {
const char c = ba.at(i);
if (c == '<')
break;
if (c == '[')
++inArray;
if (c == ']')
--inArray;
if (c == ' ')
continue;
if (c == '&') // Treat references like the referenced type.
continue;
if (inArray && c >= '0' && c <= '9')
continue;
res.append(c);
}
return res;
}
////////////////////////////////////////////////////////////////////
//
// WatchItem
//
////////////////////////////////////////////////////////////////////
// Used to make sure the item cache is notified of construction and
// destruction of items.
class WatchItem;
typedef QList<WatchItem *> WatchItems;
WatchItem *itemConstructor(WatchModel *model, const QByteArray &iname);
void itemDestructor(WatchModel *model, WatchItem *item);
class WatchItem : public WatchData
{
public:
WatchItem *parent; // Not owned.
WatchItems children; // Not owned. Handled via itemDestructor().
private:
friend WatchItem *itemConstructor(WatchModel *model, const QByteArray &iname);
friend void itemDestructor(WatchModel *model, WatchItem *item);
WatchItem() { parent = 0; }
~WatchItem() {}
WatchItem(const WatchItem &); // Not implemented.
};
///////////////////////////////////////////////////////////////////////
//
// WatchModel
//
///////////////////////////////////////////////////////////////////////
class SeparateViewWidget : public QTabWidget
{
Q_OBJECT
public:
SeparateViewWidget(QWidget *parent) : QTabWidget(parent)
{
setTabsClosable(true);
connect(this, SIGNAL(tabCloseRequested(int)), SLOT(closeTab(int)));
setWindowFlags(windowFlags() | Qt::Window);
setWindowTitle(WatchHandler::tr("Debugger - Qt Creator"));
}
public slots:
void closeTab(int index)
{
removeTab(index);
}
};
class WatchModel : public QAbstractItemModel
{
Q_OBJECT
private:
explicit WatchModel(WatchHandler *handler);
~WatchModel();
friend WatchItem *itemConstructor(WatchModel *model, const QByteArray &iname);
friend void itemDestructor(WatchModel *model, WatchItem *item);
public:
int rowCount(const QModelIndex &idx = QModelIndex()) const;
int columnCount(const QModelIndex &idx) const;
signals:
void currentIndexRequested(const QModelIndex &idx);
void itemIsExpanded(const QModelIndex &idx);
private:
QVariant data(const QModelIndex &idx, int role) const;
bool setData(const QModelIndex &idx, const QVariant &value, int role);
QModelIndex index(int, int, const QModelIndex &idx) const;
QModelIndex parent(const QModelIndex &idx) const;
bool hasChildren(const QModelIndex &idx) const;
Qt::ItemFlags flags(const QModelIndex &idx) const;
QVariant headerData(int section, Qt::Orientation orientation,
int role = Qt::DisplayRole) const;
bool canFetchMore(const QModelIndex &parent) const;
void fetchMore(const QModelIndex &parent);
void invalidateAll(const QModelIndex &parentIndex = QModelIndex());
void resetValueCacheRecursively(WatchItem *item);
WatchItem *createItem(const QByteArray &iname, const QString &name, WatchItem *parent);
friend class WatchHandler;
WatchItem *watchItem(const QModelIndex &) const;
QModelIndex watchIndex(const WatchItem *needle) const;
QModelIndex watchIndexHelper(const WatchItem *needle,
const WatchItem *parentItem, const QModelIndex &parentIndex) const;
void insertDataItem(const WatchData &data, bool destructive);
Q_SLOT void reinsertAllData();
void reinsertAllDataHelper(WatchItem *item, QList<WatchData> *data);
bool ancestorChanged(const QSet<QByteArray> &parentINames, WatchItem *item) const;
void insertBulkData(const QList<WatchData> &data);
QString displayForAutoTest(const QByteArray &iname) const;
void reinitialize(bool includeInspectData = false);
void destroyItem(WatchItem *item); // With model notification.
void destroyChildren(WatchItem *item); // With model notification.
void destroyHelper(const WatchItems &items); // Without model notification.
void emitDataChanged(int column,
const QModelIndex &parentIndex = QModelIndex());
friend QDebug operator<<(QDebug d, const WatchModel &m);
void dump();
void dumpHelper(WatchItem *item);
Q_SLOT void emitAllChanged();
void showInEditorHelper(QString *contents, WatchItem *item, int level);
void setCurrentItem(const QByteArray &iname);
QString displayType(const WatchData &typeIn) const;
QString displayName(const WatchItem *item) const;
QString displayValue(const WatchData &data) const;
QString formattedValue(const WatchData &data) const;
QString removeNamespaces(QString str) const;
void formatRequests(QByteArray *out, const WatchItem *item) const;
DebuggerEngine *engine() const;
int itemFormat(const WatchData &data) const;
bool contentIsValid() const;
WatchHandler *m_handler; // Not owned.
WatchItem *m_root; // Owned.
WatchItem *m_localsRoot; // Not owned.
WatchItem *m_inspectorRoot; // Not owned.
WatchItem *m_watchRoot; // Not owned.
WatchItem *m_returnRoot; // Not owned.
WatchItem *m_tooltipRoot; // Not owned.
QSet<QByteArray> m_expandedINames;
QSet<QByteArray> m_fetchTriggered;
QStringList typeFormatList(const WatchData &data) const;
TypeFormats m_reportedTypeFormats;
// QWidgets and QProcesses taking care of special displays.
typedef QMap<QByteArray, QPointer<QObject> > EditHandlers;
EditHandlers m_editHandlers;
WatchItem *createItem(const QByteArray &iname);
WatchItem *createItem(const WatchData &data);
void assignData(WatchItem *item, const WatchData &data);
WatchItem *findItem(const QByteArray &iname) const;
friend class WatchItem;
typedef QHash<QByteArray, WatchItem *> Cache;
Cache m_cache;
typedef QHash<QByteArray, QString> ValueCache;
ValueCache m_valueCache;
#if USE_EXPENSIVE_CHECKS
QHash<const WatchItem *, QByteArray> m_cache2;
void checkTree();
void checkItem(const WatchItem *item) const;
void checkTree(WatchItem *item, QSet<QByteArray> *inames);
#endif
};
WatchModel::WatchModel(WatchHandler *handler)
: m_handler(handler)
{
m_root = createItem(QByteArray(), tr("Root"), 0);
// Note: Needs to stay
m_localsRoot = createItem("local", tr("Locals"), m_root);
m_inspectorRoot = createItem("inspect", tr("Inspector"), m_root);
m_watchRoot = createItem("watch", tr("Expressions"), m_root);
m_returnRoot = createItem("return", tr("Return Value"), m_root);
m_tooltipRoot = createItem("tooltip", tr("Tooltip"), m_root);
connect(debuggerCore()->action(SortStructMembers), SIGNAL(valueChanged(QVariant)),
SLOT(reinsertAllData()));
connect(debuggerCore()->action(ShowStdNamespace), SIGNAL(valueChanged(QVariant)),
SLOT(reinsertAllData()));
connect(debuggerCore()->action(ShowQtNamespace), SIGNAL(valueChanged(QVariant)),
SLOT(reinsertAllData()));
}
WatchModel::~WatchModel()
{
CHECK(checkItem(m_root));
destroyChildren(m_root);
itemDestructor(this, m_root);
QTC_CHECK(m_cache.isEmpty());
}
WatchItem *itemConstructor(WatchModel *model, const QByteArray &iname)
{
QTC_CHECK(!model->m_cache.contains(iname));
WatchItem *item = new WatchItem();
item->iname = iname;
model->m_cache[iname] = item;
CHECK(model->m_cache2[item] = iname);
CHECK(model->checkItem(item));
return item;
}
void itemDestructor(WatchModel *model, WatchItem *item)
{
QTC_ASSERT(model->m_cache.value(item->iname) == item, return);
CHECK(model->checkItem(item));
CHECK(model->m_cache2.remove(item));
model->m_cache.remove(item->iname);
delete item;
}
WatchItem *WatchModel::createItem(const QByteArray &iname, const QString &name, WatchItem *parent)
{
WatchItem *item = itemConstructor(this, iname);
item->name = name;
item->hasChildren = true; // parent == 0;
item->state = 0;
item->parent = parent;
if (parent)
parent->children.append(item);
return item;
}
void WatchModel::reinitialize(bool includeInspectData)
{
CHECK(checkTree());
//MODEL_DEBUG("REMOVING " << n << " CHILDREN OF " << m_root->iname);
QTC_CHECK(m_root->children.size() == 5);
destroyChildren(m_localsRoot);
destroyChildren(m_watchRoot);
destroyChildren(m_returnRoot);
destroyChildren(m_tooltipRoot);
if (includeInspectData) {
destroyChildren(m_inspectorRoot);
QTC_CHECK(m_cache.size() == 6);
}
CHECK(checkTree());
}
void WatchModel::emitAllChanged()
{
emit layoutChanged();
}
DebuggerEngine *WatchModel::engine() const
{
return m_handler->m_engine;
}
void WatchModel::dump()
{
qDebug() << "\n";
foreach (WatchItem *child, m_root->children)
dumpHelper(child);
}
void WatchModel::dumpHelper(WatchItem *item)
{
qDebug() << "ITEM: " << item->iname
<< (item->parent ? item->parent->iname : "<none>");
foreach (WatchItem *child, item->children)
dumpHelper(child);
}
void WatchModel::destroyHelper(const WatchItems &items)
{
for (int i = items.size(); --i >= 0; ) {
WatchItem *item = items.at(i);
destroyHelper(item->children);
itemDestructor(this, item);
}
}
void WatchModel::destroyItem(WatchItem *item)
{
const QByteArray iname = item->iname;
CHECK(checkTree());
QTC_ASSERT(m_cache.contains(iname), return);
// Deregister from model and parent.
// It's sufficient to do this non-recursively.
WatchItem *parent = item->parent;
QTC_ASSERT(parent, return);
QModelIndex parentIndex = watchIndex(parent);
const int i = parent->children.indexOf(item);
//MODEL_DEBUG("NEED TO REMOVE: " << item->iname << "AT" << n);
beginRemoveRows(parentIndex, i, i);
parent->children.removeAt(i);
endRemoveRows();
// Destroy contents.
destroyHelper(item->children);
itemDestructor(this, item);
QTC_ASSERT(!m_cache.contains(iname), return);
CHECK(checkTree());
}
void WatchModel::destroyChildren(WatchItem *item)
{
CHECK(checkTree());
QTC_ASSERT(m_cache.contains(item->iname), return);
if (item->children.isEmpty())
return;
WatchItems items = item->children;
// Deregister from model and parent.
// It's sufficient to do this non-recursively.
QModelIndex idx = watchIndex(item);
beginRemoveRows(idx, 0, items.size() - 1);
item->children.clear();
endRemoveRows();
// Destroy contents.
destroyHelper(items);
CHECK(checkTree());
}
WatchItem *WatchModel::findItem(const QByteArray &iname) const
{
return m_cache.value(iname, 0);
}
WatchItem *WatchModel::createItem(const WatchData &data)
{
WatchItem *item = itemConstructor(this, data.iname);
static_cast<WatchData &>(*item) = data;
return item;
}
void WatchModel::assignData(WatchItem *item, const WatchData &data)
{
CHECK(checkItem(item));
QTC_ASSERT(data.iname == item->iname,
m_cache.remove(item->iname);
m_cache[data.iname] = item);
static_cast<WatchData &>(*item) = data;
CHECK(checkItem(item));
}
void WatchModel::reinsertAllData()
{
QList<WatchData> list;
reinsertAllDataHelper(m_root, &list);
reinitialize(true);
insertBulkData(list);
}
void WatchModel::reinsertAllDataHelper(WatchItem *item, QList<WatchData> *data)
{
data->append(*item);
data->back().setAllUnneeded();
foreach (WatchItem *child, item->children)
reinsertAllDataHelper(child, data);
}
static QByteArray parentName(const QByteArray &iname)
{
const int pos = iname.lastIndexOf('.');
return pos == -1 ? QByteArray() : iname.left(pos);
}
static QString niceTypeHelper(const QByteArray &typeIn)
{
typedef QMap<QByteArray, QString> Cache;
static Cache cache;
const Cache::const_iterator it = cache.constFind(typeIn);
if (it != cache.constEnd())
return it.value();
const QString simplified = CPlusPlus::simplifySTLType(QLatin1String(typeIn));
cache.insert(typeIn, simplified); // For simplicity, also cache unmodified types
return simplified;
}
QString WatchModel::removeNamespaces(QString str) const
{
if (!debuggerCore()->boolSetting(ShowStdNamespace))
str.remove(QLatin1String("std::"));
if (!debuggerCore()->boolSetting(ShowQtNamespace)) {
const QString qtNamespace = QString::fromLatin1(engine()->qtNamespace());
if (!qtNamespace.isEmpty())
str.remove(qtNamespace);
}
return str;
}
static int formatToIntegerBase(int format)
{
switch (format) {
case HexadecimalFormat:
return 16;
case BinaryFormat:
return 2;
case OctalFormat:
return 8;
}
return 10;
}
template <class IntType> QString reformatInteger(IntType value, int format)
{
switch (format) {
case HexadecimalFormat:
return QLatin1String("(hex) ") + QString::number(value, 16);
case BinaryFormat:
return QLatin1String("(bin) ") + QString::number(value, 2);
case OctalFormat:
return QLatin1String("(oct) ") + QString::number(value, 8);
}
return QString::number(value); // not reached
}
// Format printable (char-type) characters
static QString reformatCharacter(int code, int format)
{
const QString codeS = reformatInteger(code, format);
if (code < 0) // Append unsigned value.
return codeS + QLatin1String(" / ") + reformatInteger(256 + code, format);
const QChar c = QLatin1Char(code);
if (c.isPrint())
return codeS + QLatin1String(" '") + c + QLatin1Char('\'');
switch (code) {
case 0:
return codeS + QLatin1String(" '\\0'");
case '\r':
return codeS + QLatin1String(" '\\r'");
case '\t':
return codeS + QLatin1String(" '\\t'");
case '\n':
return codeS + QLatin1String(" '\\n'");
}
return codeS;
}
static QString quoteUnprintable(const QString &str)
{
if (WatchHandler::unprintableBase() == 0)
return str;
QString encoded;
if (WatchHandler::unprintableBase() == -1) {
foreach (const QChar c, str) {
int u = c.unicode();
if (c.isPrint())
encoded += c;
else if (u == '\r')
encoded += QLatin1String("\\r");
else if (u == '\t')
encoded += QLatin1String("\\t");
else if (u == '\n')
encoded += QLatin1String("\\n");
else
encoded += QString::fromLatin1("\\%1")
.arg(c.unicode(), 3, 8, QLatin1Char('0'));
}
return encoded;
}
foreach (const QChar c, str) {
if (c.isPrint()) {
encoded += c;
} else if (WatchHandler::unprintableBase() == 8) {
encoded += QString::fromLatin1("\\%1")
.arg(c.unicode(), 3, 8, QLatin1Char('0'));
} else {
encoded += QString::fromLatin1("\\u%1")
.arg(c.unicode(), 4, 16, QLatin1Char('0'));
}
}
return encoded;
}
static QString translate(const QString &str)
{
if (str.startsWith(QLatin1Char('<'))) {
if (str == QLatin1String("<Edit>"))
return WatchHandler::tr("<Edit>");
if (str == QLatin1String("<empty>"))
return WatchHandler::tr("<empty>");
if (str == QLatin1String("<uninitialized>"))
return WatchHandler::tr("<uninitialized>");
if (str == QLatin1String("<invalid>"))
return WatchHandler::tr("<invalid>");
if (str == QLatin1String("<not accessible>"))
return WatchHandler::tr("<not accessible>");
if (str.endsWith(QLatin1String(" items>"))) {
// '<10 items>' or '<>10 items>' (more than)
bool ok;
const bool moreThan = str.at(1) == QLatin1Char('>');
const int numberPos = moreThan ? 2 : 1;
const int len = str.indexOf(QLatin1Char(' ')) - numberPos;
const int size = str.mid(numberPos, len).toInt(&ok);
QTC_ASSERT(ok, qWarning("WatchHandler: Invalid item count '%s'",
qPrintable(str)));
return moreThan ?
WatchHandler::tr("<more than %n items>", 0, size) :
WatchHandler::tr("<%n items>", 0, size);
}
}
return quoteUnprintable(str);
}
QString WatchModel::formattedValue(const WatchData &data) const
{
const QString &value = data.value;
if (data.type == "bool") {
if (value == QLatin1String("0"))
return QLatin1String("false");
if (value == QLatin1String("1"))
return QLatin1String("true");
return value;
}
if (isIntType(data.type)) {
if (value.isEmpty())
return value;
// Do not reformat booleans (reported as 'true, false').
const QChar firstChar = value.at(0);
if (!firstChar.isDigit() && firstChar != QLatin1Char('-'))
return value;
// Append quoted, printable character also for decimal.
const int format = itemFormat(data);
if (data.type.endsWith("char")) {
bool ok;
const int code = value.toInt(&ok);
return ok ? reformatCharacter(code, format) : value;
}
// Rest: Leave decimal as is
if (format <= 0)
return value;
// Evil hack, covers 'unsigned' as well as quint64.
if (data.type.contains('u'))
return reformatInteger(value.toULongLong(0, 0), format);
return reformatInteger(value.toLongLong(), format);
}
if (data.type == "va_list")
return value;
if (!isPointerType(data.type) && !data.isVTablePointer()) {
bool ok = false;
qulonglong integer = value.toULongLong(&ok, 0);
if (ok) {
const int format = itemFormat(data);
return reformatInteger(integer, format);
}
}
return translate(value);
}
// Get a pointer address from pointer values reported by the debugger.
// Fix CDB formatting of pointers "0x00000000`000003fd class foo *", or
// "0x00000000`000003fd "Hallo"", or check gdb formatting of characters.
static inline quint64 pointerValue(QString data)
{
const int blankPos = data.indexOf(QLatin1Char(' '));
if (blankPos != -1)
data.truncate(blankPos);
data.remove(QLatin1Char('`'));
return data.toULongLong(0, 0);
}
// Return the type used for editing
static inline int editType(const WatchData &d)
{
if (d.type == "bool")
return QVariant::Bool;
if (isIntType(d.type))
return d.type.contains('u') ? QVariant::ULongLong : QVariant::LongLong;
if (isFloatType(d.type))
return QVariant::Double;
// Check for pointers using hex values (0xAD00 "Hallo")
if (isPointerType(d.type) && d.value.startsWith(QLatin1String("0x")))
return QVariant::ULongLong;
return QVariant::String;
}
// Convert to editable (see above)
static inline QVariant editValue(const WatchData &d)
{
switch (editType(d)) {
case QVariant::Bool:
return d.value != QLatin1String("0") && d.value != QLatin1String("false");
case QVariant::ULongLong:
if (isPointerType(d.type)) // Fix pointer values (0xAD00 "Hallo" -> 0xAD00)
return QVariant(pointerValue(d.value));
return QVariant(d.value.toULongLong());
case QVariant::LongLong:
return QVariant(d.value.toLongLong());
case QVariant::Double:
return QVariant(d.value.toDouble());
default:
break;
}
// Some string value: '0x434 "Hallo"':
// Remove quotes and replace newlines, which will cause line edit troubles.
QString stringValue = d.value;
if (stringValue.endsWith(QLatin1Char('"'))) {
const int leadingDoubleQuote = stringValue.indexOf(QLatin1Char('"'));
if (leadingDoubleQuote != stringValue.size() - 1) {
stringValue.truncate(stringValue.size() - 1);
stringValue.remove(0, leadingDoubleQuote + 1);
stringValue.replace(QLatin1String("\n"), QLatin1String("\\n"));
}
}
return QVariant(translate(stringValue));
}
bool WatchModel::canFetchMore(const QModelIndex &idx) const
{
if (!idx.isValid())
return false;
WatchItem *item = watchItem(idx);
QTC_ASSERT(item, return false);
if (!contentIsValid() && !item->isInspect())
return false;
if (!item->iname.contains('.'))
return false;
return !m_fetchTriggered.contains(item->iname);
}
void WatchModel::fetchMore(const QModelIndex &idx)
{
if (!idx.isValid())
return; // Triggered by ModelTester.
WatchItem *item = watchItem(idx);
QTC_ASSERT(item, return);
QTC_ASSERT(!m_fetchTriggered.contains(item->iname), return);
m_expandedINames.insert(item->iname);
m_fetchTriggered.insert(item->iname);
if (item->children.isEmpty()) {
WatchData data = *item;
data.setChildrenNeeded();
WatchUpdateFlags flags;
flags.tryIncremental = true;
engine()->updateWatchData(data, flags);
}
}
QModelIndex WatchModel::index(int row, int column, const QModelIndex &parent) const
{
if (!hasIndex(row, column, parent))
return QModelIndex();
const WatchItem *item = watchItem(parent);
QTC_ASSERT(item, return QModelIndex());
if (row >= item->children.size())
return QModelIndex();
return createIndex(row, column, (void*)(item->children.at(row)));
}
QModelIndex WatchModel::parent(const QModelIndex &idx) const
{
if (!idx.isValid())
return QModelIndex();
const WatchItem *item = watchItem(idx);
const WatchItem *parent = item->parent;
if (!parent || parent == m_root)
return QModelIndex();
const WatchItem *grandparent = parent->parent;
if (!grandparent)
return QModelIndex();
const WatchItems &uncles = grandparent->children;
for (int i = 0, n = uncles.size(); i < n; ++i)
if (uncles.at(i) == parent)
return createIndex(i, 0, (void*) parent);
return QModelIndex();
}
int WatchModel::rowCount(const QModelIndex &idx) const
{
if (!idx.isValid())
return m_root->children.size();
if (idx.column() > 0)
return 0;
return watchItem(idx)->children.size();
}
int WatchModel::columnCount(const QModelIndex &idx) const
{
Q_UNUSED(idx)
return 3;
}
bool WatchModel::hasChildren(const QModelIndex &parent) const
{
WatchItem *item = watchItem(parent);
return !item || item->hasChildren;
}
WatchItem *WatchModel::watchItem(const QModelIndex &idx) const
{
WatchItem *item = idx.isValid()
? static_cast<WatchItem*>(idx.internalPointer()) : m_root;
CHECK(checkItem(item));
return item;
}
QModelIndex WatchModel::watchIndex(const WatchItem *item) const
{
CHECK(checkItem(item));
return watchIndexHelper(item, m_root, QModelIndex());
}
QModelIndex WatchModel::watchIndexHelper(const WatchItem *needle,
const WatchItem *parentItem, const QModelIndex &parentIndex) const
{
if (needle == parentItem)
return parentIndex;
for (int i = parentItem->children.size(); --i >= 0; ) {
const WatchItem *childItem = parentItem->children.at(i);
QModelIndex childIndex = index(i, 0, parentIndex);
QModelIndex idx = watchIndexHelper(needle, childItem, childIndex);
if (idx.isValid())
return idx;
}
return QModelIndex();
}
void WatchModel::emitDataChanged(int column, const QModelIndex &parentIndex)
{
QModelIndex idx1 = index(0, column, parentIndex);
QModelIndex idx2 = index(rowCount(parentIndex) - 1, column, parentIndex);
if (idx1.isValid() && idx2.isValid())
emit dataChanged(idx1, idx2);
//qDebug() << "CHANGING:\n" << idx1 << "\n" << idx2 << "\n"
// << data(parentIndex, INameRole).toString();
for (int i = rowCount(parentIndex); --i >= 0; )
emitDataChanged(column, index(i, 0, parentIndex));
}
void WatchModel::invalidateAll(const QModelIndex &parentIndex)
{
QModelIndex idx1 = index(0, 0, parentIndex);
QModelIndex idx2 = index(rowCount(parentIndex) - 1, columnCount(parentIndex) - 1, parentIndex);
if (idx1.isValid() && idx2.isValid())
emit dataChanged(idx1, idx2);
}
void WatchModel::resetValueCacheRecursively(WatchItem *item)
{
m_valueCache[item->iname] = item->value;
const WatchItems &items = item->children;
for (int i = items.size(); --i >= 0; )
resetValueCacheRecursively(items.at(i));
}
// Truncate value for item view, maintaining quotes.
static QString truncateValue(QString v)
{
enum { maxLength = 512 };
if (v.size() < maxLength)
return v;
const bool isQuoted = v.endsWith(QLatin1Char('"')); // check for 'char* "Hallo"'
v.truncate(maxLength);
v += isQuoted ? QLatin1String("...\"") : QLatin1String("...");
return v;
}
int WatchModel::itemFormat(const WatchData &data) const
{
const int individualFormat = theIndividualFormats.value(data.iname, -1);
if (individualFormat != -1)
return individualFormat;
return theTypeFormats.value(stripForFormat(data.type), -1);
}
bool WatchModel::contentIsValid() const
{
// FIXME:
// inspector doesn't follow normal beginCycle()/endCycle()
//if (m_type == InspectWatch)
// return true;
return m_handler->m_contentsValid;
}
#if USE_EXPENSIVE_CHECKS
void WatchModel::checkTree()
{
QSet<QByteArray> inames;
checkTree(m_root, &inames);
QSet<QByteArray> current = m_cache.keys().toSet();
Q_ASSERT(inames == current);
}
void WatchModel::checkTree(WatchItem *item, QSet<QByteArray> *inames)
{
checkItem(item);
inames->insert(item->iname);
for (int i = 0, n = item->children.size(); i != n; ++i)
checkTree(item->children.at(i), inames);
}
void WatchModel::checkItem(const WatchItem *item) const
{
Q_ASSERT(item->children.size() < 1000 * 1000);
Q_ASSERT(m_cache2.contains(item));
Q_ASSERT(m_cache2.value(item) == item->iname);
Q_ASSERT(m_cache.value(item->iname) == item);
}
#endif
static QString expression(const WatchItem *item)
{
if (!item->exp.isEmpty())
return QString::fromLatin1(item->exp);
if (item->address && !item->type.isEmpty()) {
return QString::fromLatin1("*(%1*)%2").
arg(QLatin1String(item->type), QLatin1String(item->hexAddress()));
}
if (const WatchItem *parent = item->parent) {
if (!parent->exp.isEmpty())
return QString::fromLatin1("(%1).%2")
.arg(QString::fromLatin1(parent->exp), item->name);
}
return QString();
}
QString WatchModel::displayName(const WatchItem *item) const
{
QString result;
if (item->parent == m_watchRoot && item->name.isEmpty())
result = tr("<Edit>");
else if (item->parent == m_returnRoot)
result = tr("returned value");
else if (item->name == QLatin1String("*"))
result = QLatin1Char('*') + item->parent->name;
else
result = removeNamespaces(item->name);
return result;
}
QString WatchModel::displayValue(const WatchData &data) const
{
QString result = removeNamespaces(truncateValue(formattedValue(data)));
if (result.isEmpty() && data.address)
result += QString::fromLatin1("@0x" + QByteArray::number(data.address, 16));
// if (data.origaddr)
// result += QString::fromLatin1(" (0x" + QByteArray::number(data.origaddr, 16) + ')');
return result;
}
QString WatchModel::displayType(const WatchData &data) const
{
QString result = data.displayedType.isEmpty()
? niceTypeHelper(data.type)
: data.displayedType;
if (data.bitsize)
result += QString::fromLatin1(":%1").arg(data.bitsize);
result.remove(QLatin1Char('\''));
result = removeNamespaces(result);
return result;
}
QString WatchModel::displayForAutoTest(const QByteArray &iname) const
{
WatchItem *item = findItem(iname);
if (item)
return displayValue(*item) + QLatin1Char(' ') + displayType(*item);
return QString();
}
QVariant WatchModel::data(const QModelIndex &idx, int role) const
{
if (!idx.isValid())
return QVariant(); // Triggered by ModelTester.
const WatchItem *item = watchItem(idx);
const WatchItem &data = *item;
switch (role) {
case LocalsEditTypeRole:
return QVariant(editType(data));
case LocalsNameRole:
return QVariant(data.name);
case LocalsIntegerBaseRole:
if (isPointerType(data.type)) // Pointers using 0x-convention
return QVariant(16);
return QVariant(formatToIntegerBase(itemFormat(data)));
case Qt::EditRole: {
switch (idx.column()) {
case 0:
return QVariant(expression(item));
case 1:
return editValue(data);
case 2:
// FIXME:: To be tested: Can debuggers handle those?
if (!data.displayedType.isEmpty())
return data.displayedType;
return QString::fromUtf8(data.type);
}
}
case Qt::DisplayRole: {
switch (idx.column()) {
case 0:
return displayName(item);
case 1:
return displayValue(data);
case 2:
return displayType(data);
}
}
case Qt::ToolTipRole:
return debuggerCore()->boolSetting(UseToolTipsInLocalsView)
? data.toToolTip() : QVariant();
case Qt::ForegroundRole: {
static const QVariant red(QColor(200, 0, 0));
static const QVariant gray(QColor(140, 140, 140));
if (idx.column() == 1) {
if (!data.valueEnabled)
return gray;
if (!contentIsValid() && !data.isInspect())
return gray;
if (data.value.isEmpty()) // This might still show 0x...
return gray;
if (data.value != m_valueCache.value(data.iname))
return red;
}
break;
}
case LocalsExpressionRole:
return QVariant(expression(item));
case LocalsRawExpressionRole:
return data.exp;
case LocalsINameRole:
return data.iname;
case LocalsExpandedRole:
return m_expandedINames.contains(data.iname);
case LocalsTypeFormatListRole:
return typeFormatList(data);
case LocalsTypeRole:
return removeNamespaces(displayType(data));
case LocalsRawTypeRole:
return QString::fromLatin1(data.type);
case LocalsTypeFormatRole:
return theTypeFormats.value(stripForFormat(data.type), -1);
case LocalsIndividualFormatRole:
return theIndividualFormats.value(data.iname, -1);
case LocalsRawValueRole:
return data.value;
case LocalsObjectAddressRole:
return data.address;
case LocalsPointerAddressRole:
return data.origaddr;
case LocalsIsWatchpointAtObjectAddressRole: {
BreakpointParameters bp(WatchpointAtAddress);
bp.address = data.address;
return engine()->breakHandler()->findWatchpoint(bp) != 0;
}
case LocalsSizeRole:
return QVariant(data.size);
case LocalsIsWatchpointAtPointerAddressRole:
if (isPointerType(data.type)) {
BreakpointParameters bp(WatchpointAtAddress);
bp.address = pointerValue(data.value);
return engine()->breakHandler()->findWatchpoint(bp) != 0;
}
return false;
default:
break;
}
return QVariant();
}
bool WatchModel::setData(const QModelIndex &idx, const QVariant &value, int role)
{
if (!idx.isValid())
return false; // Triggered by ModelTester.
WatchItem &data = *watchItem(idx);
switch (role) {
case Qt::EditRole:
switch (idx.column()) {
case 0: // Watch expression: See delegate.
break;
case 1: // Change value
engine()->assignValueInDebugger(&data, expression(&data), value);
break;
case 2: // TODO: Implement change type.
engine()->assignValueInDebugger(&data, expression(&data), value);
break;
}
case LocalsExpandedRole:
if (value.toBool()) {
// Should already have been triggered by fetchMore()
//QTC_CHECK(m_expandedINames.contains(data.iname));
m_expandedINames.insert(data.iname);
} else {
m_expandedINames.remove(data.iname);
}
break;
case LocalsTypeFormatRole:
m_handler->setFormat(data.type, value.toInt());
engine()->updateWatchData(data);
break;
case LocalsIndividualFormatRole: {
const int format = value.toInt();
if (format == -1)
theIndividualFormats.remove(data.iname);
else
theIndividualFormats[data.iname] = format;
engine()->updateWatchData(data);
break;
}
}
//emit dataChanged(idx, idx);
return true;
}
Qt::ItemFlags WatchModel::flags(const QModelIndex &idx) const
{
if (!idx.isValid())
return Qt::ItemFlags();
const WatchData &data = *watchItem(idx);
if (!contentIsValid() && !data.isInspect())
return Qt::ItemFlags();
// Enabled, editable, selectable, checkable, and can be used both as the
// source of a drag and drop operation and as a drop target.
static const Qt::ItemFlags notEditable
= Qt::ItemIsSelectable | Qt::ItemIsEnabled;
static const Qt::ItemFlags editable = notEditable | Qt::ItemIsEditable;
// Disable editing if debuggee is positively running except for Inspector data
const bool isRunning = engine() && engine()->state() == InferiorRunOk;
if (isRunning && engine() && !engine()->hasCapability(AddWatcherWhileRunningCapability) &&
!data.isInspect())
return notEditable;
if (data.isWatcher()) {
if (idx.column() == 0 && data.iname.count('.') == 1)
return editable; // Watcher names are editable.
if (!data.name.isEmpty()) {
// FIXME: Forcing types is not implemented yet.
//if (idx.column() == 2)
// return editable; // Watcher types can be set by force.
if (idx.column() == 1 && data.valueEditable)
return editable; // Watcher values are sometimes editable.
}
} else if (data.isLocal()) {
if (idx.column() == 1 && data.valueEditable)
return editable; // Locals values are sometimes editable.
} else if (data.isInspect()) {
if (idx.column() == 1 && data.valueEditable)
return editable; // Inspector values are sometimes editable.
}
return notEditable;
}
QVariant WatchModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (orientation == Qt::Vertical)
return QVariant();
if (role == Qt::DisplayRole) {
switch (section) {
case 0: return QString(tr("Name") + QLatin1String(" "));
case 1: return QString(tr("Value") + QLatin1String(" "));
case 2: return QString(tr("Type") + QLatin1String(" "));
}
}
return QVariant();
}
QStringList WatchModel::typeFormatList(const WatchData &data) const
{
if (data.origaddr || isPointerType(data.type))
return QStringList()
<< tr("Raw pointer")
<< tr("Latin1 string")
<< tr("UTF8 string")
<< tr("Local 8bit string")
<< tr("UTF16 string")
<< tr("UCS4 string");
if (data.type.contains("char[") || data.type.contains("char ["))
return QStringList()
<< tr("Latin1 string")
<< tr("UTF8 string")
<< tr("Local 8bit string");
bool ok = false;
(void)data.value.toULongLong(&ok, 0);
if ((isIntType(data.type) && data.type != "bool") || ok)
return QStringList()
<< tr("Decimal")
<< tr("Hexadecimal")
<< tr("Binary")
<< tr("Octal");
// Hack: Compensate for namespaces.
QString type = QLatin1String(stripForFormat(data.type));
int pos = type.indexOf(QLatin1String("::Q"));
if (pos >= 0 && type.count(QLatin1Char(':')) == 2)
type.remove(0, pos + 2);
pos = type.indexOf(QLatin1Char('<'));
if (pos >= 0)
type.truncate(pos);
type.replace(QLatin1Char(':'), QLatin1Char('_'));
return m_reportedTypeFormats.value(type);
}
// Determine sort order of watch items by sort order or alphabetical inames
// according to setting 'SortStructMembers'. We need a map key for insertBulkData
// and a predicate for finding the insertion position of a single item.
// Set this before using any of the below according to action
static bool sortWatchDataAlphabetically = true;
static bool watchDataLessThan(const QByteArray &iname1, int sortId1,
const QByteArray &iname2, int sortId2)
{
if (!sortWatchDataAlphabetically)
return sortId1 < sortId2;
// Get positions of last part of iname 'local.this.i1" -> "i1"
int cmpPos1 = iname1.lastIndexOf('.');
if (cmpPos1 == -1)
cmpPos1 = 0;
else
cmpPos1++;
int cmpPos2 = iname2.lastIndexOf('.');
if (cmpPos2 == -1)
cmpPos2 = 0;
else
cmpPos2++;
// Are we looking at an array with numerical inames 'local.this.i1.0" ->
// Go by sort id.
if (cmpPos1 < iname1.size() && cmpPos2 < iname2.size()
&& isdigit(iname1.at(cmpPos1)) && isdigit(iname2.at(cmpPos2)))
return sortId1 < sortId2;
// Alphabetically
return qstrcmp(iname1.constData() + cmpPos1, iname2.constData() + cmpPos2) < 0;
}
// Sort key for watch data consisting of iname and numerical sort id.
struct WatchDataSortKey
{
explicit WatchDataSortKey(const WatchData &wd)
: iname(wd.iname), sortId(wd.sortId) {}
QByteArray iname;
int sortId;
};
inline bool operator<(const WatchDataSortKey &k1, const WatchDataSortKey &k2)
{
return watchDataLessThan(k1.iname, k1.sortId, k2.iname, k2.sortId);
}
bool watchItemSorter(const WatchItem *item1, const WatchItem *item2)
{
return watchDataLessThan(item1->iname, item1->sortId, item2->iname, item2->sortId);
}
static int findInsertPosition(const QList<WatchItem *> &list, const WatchItem *item)
{
sortWatchDataAlphabetically = debuggerCore()->boolSetting(SortStructMembers);
const QList<WatchItem *>::const_iterator it =
qLowerBound(list.begin(), list.end(), item, watchItemSorter);
return it - list.begin();
}
void WatchModel::insertDataItem(const WatchData &data, bool destructive)
{
#if USE_WATCH_MODEL_TEST
(void) new ModelTest(this, this);
#endif
m_fetchTriggered.remove(data.iname);
CHECK(checkTree());
QTC_ASSERT(!data.iname.isEmpty(), qDebug() << data.toString(); return);
if (WatchItem *item = findItem(data.iname)) {
// Remove old children.
if (destructive)
destroyChildren(item);
// Overwrite old entry.
assignData(item, data);
QModelIndex idx = watchIndex(item);
emit dataChanged(idx, idx.sibling(idx.row(), 2));
} else {
// Add new entry.
WatchItem *parent = findItem(parentName(data.iname));
QTC_ASSERT(parent, return);
WatchItem *newItem = createItem(data);
newItem->parent = parent;
const int row = findInsertPosition(parent->children, newItem);
QModelIndex idx = watchIndex(parent);
beginInsertRows(idx, row, row);
parent->children.insert(row, newItem);
endInsertRows();
if (m_expandedINames.contains(parent->iname))
emit itemIsExpanded(idx);
}
}
// Identify items that have to be removed, i.e. current items that
// have an ancestor in the list, but do not appear in the list themselves.
bool WatchModel::ancestorChanged(const QSet<QByteArray> &inames, WatchItem *item) const
{
if (item == m_root)
return false;
WatchItem *parent = item->parent;
if (inames.contains(parent->iname))
return true;
return ancestorChanged(inames, parent);
}
void WatchModel::insertBulkData(const QList<WatchData> &list)
{
#if 1
for (int i = 0, n = list.size(); i != n; ++i) {
const WatchData &data = list.at(i);
insertDataItem(data, true);
m_handler->showEditValue(data);
}
#else
// Destroy unneeded items.
QSet<QByteArray> inames;
for (int i = list.size(); --i >= 0; )
inames.insert(list.at(i).iname);
QList<QByteArray> toDestroy;
for (Cache::const_iterator it = m_cache.begin(), et = m_cache.end(); it != et; ++it)
if (!inames.contains(it.key()) && ancestorChanged(inames, it.value()))
toDestroy.append(it.key());
for (int i = 0, n = toDestroy.size(); i != n; ++i) {
// Can be destroyed as child of a previous item.
WatchItem *item = findItem(toDestroy.at(i));
if (item)
destroyItem(item);
}
// All remaining items are changed or new.
for (int i = 0, n = list.size(); i != n; ++i)
insertDataItem(list.at(i), false);
#endif
CHECK(checkTree());
}
static void debugRecursion(QDebug &d, const WatchItem *item, int depth)
{
d << QString(2 * depth, QLatin1Char(' ')) << item->toString() << '\n';
foreach (const WatchItem *child, item->children)
debugRecursion(d, child, depth + 1);
}
QDebug operator<<(QDebug d, const WatchModel &m)
{
QDebug nospace = d.nospace();
if (m.m_root)
debugRecursion(nospace, m.m_root, 0);
return d;
}
void WatchModel::formatRequests(QByteArray *out, const WatchItem *item) const
{
int format = theIndividualFormats.value(item->iname, -1);
if (format == -1)
format = theTypeFormats.value(stripForFormat(item->type), -1);
if (format != -1)
*out += item->iname + ":format=" + QByteArray::number(format) + ',';
foreach (const WatchItem *child, item->children)
formatRequests(out, child);
}
void WatchModel::showInEditorHelper(QString *contents, WatchItem *item, int depth)
{
const QChar tab = QLatin1Char('\t');
const QChar nl = QLatin1Char('\n');
contents->append(QString(depth, tab));
contents->append(item->name);
contents->append(tab);
contents->append(item->value);
contents->append(tab);
contents->append(QString::fromLatin1(item->type));
contents->append(nl);
foreach (WatchItem *child, item->children)
showInEditorHelper(contents, child, depth + 1);
}
void WatchModel::setCurrentItem(const QByteArray &iname)
{
if (WatchItem *item = findItem(iname)) {
QModelIndex idx = watchIndex(item);
emit currentIndexRequested(idx);
}
}
///////////////////////////////////////////////////////////////////////
//
// WatchHandler
//
///////////////////////////////////////////////////////////////////////
WatchHandler::WatchHandler(DebuggerEngine *engine)
{
m_separateWindow = 0;
m_engine = engine;
m_watcherCounter = debuggerCore()->sessionValue(QLatin1String("Watchers"))
.toStringList().count();
m_model = new WatchModel(this);
m_contentsValid = false;
m_contentsValid = true; // FIXME
m_resetLocationScheduled = false;
}
WatchHandler::~WatchHandler()
{
if (m_separateWindow) {
debuggerCore()->setSessionValue(QLatin1String("DebuggerSeparateWidgetGeometry"),
m_separateWindow->geometry());
delete m_separateWindow;
m_separateWindow = 0;
}
// Do it manually to prevent calling back in model destructors
// after m_cache is destroyed.
delete m_model;
m_model = 0;
}
void WatchHandler::cleanup()
{
m_model->m_expandedINames.clear();
theWatcherNames.remove(QByteArray());
m_model->reinitialize();
m_model->m_fetchTriggered.clear();
#if 1
for (WatchModel::EditHandlers::ConstIterator it = m_model->m_editHandlers.begin();
it != m_model->m_editHandlers.end(); ++it) {
if (!it.value().isNull())
delete it.value();
}
m_model->m_editHandlers.clear();
#endif
}
void WatchHandler::insertIncompleteData(const WatchData &data)
{
MODEL_DEBUG("INSERTDATA: " << data.toString());
if (!data.isValid()) {
qWarning("%s:%d: Attempt to insert invalid watch item: %s",
__FILE__, __LINE__, qPrintable(data.toString()));
return;
}
if (data.isSomethingNeeded() && data.iname.contains('.')) {
MODEL_DEBUG("SOMETHING NEEDED: " << data.toString());
if (!m_engine->isSynchronous() || data.isInspect()) {
m_model->insertDataItem(data, true);
m_engine->updateWatchData(data);
} else {
m_engine->showMessage(QLatin1String("ENDLESS LOOP: SOMETHING NEEDED: ")
+ data.toString());
WatchData data1 = data;
data1.setAllUnneeded();
data1.setValue(QLatin1String("<unavailable synchronous data>"));
data1.setHasChildren(false);
m_model->insertDataItem(data1, true);
}
} else {
MODEL_DEBUG("NOTHING NEEDED: " << data.toString());
m_model->insertDataItem(data, true);
showEditValue(data);
}
}
void WatchHandler::insertData(const WatchData &data)
{
QList<WatchData> list;
list.append(data);
insertData(list);
}
void WatchHandler::insertData(const QList<WatchData> &list)
{
m_model->insertBulkData(list);
m_contentsValid = true;
updateWatchersWindow();
}
void WatchHandler::removeAllData(bool includeInspectData)
{
m_model->reinitialize(includeInspectData);
updateWatchersWindow();
}
void WatchHandler::resetValueCache()
{
m_model->m_valueCache.clear();
m_model->resetValueCacheRecursively(m_model->m_root);
}
void WatchHandler::removeData(const QByteArray &iname)
{
WatchItem *item = m_model->findItem(iname);
if (!item)
return;
if (item->isWatcher()) {
theWatcherNames.remove(item->exp);
saveWatchers();
}
m_model->destroyItem(item);
updateWatchersWindow();
}
void WatchHandler::removeChildren(const QByteArray &iname)
{
WatchItem *item = m_model->findItem(iname);
if (item)
m_model->destroyChildren(item);
updateWatchersWindow();
}
QByteArray WatchHandler::watcherName(const QByteArray &exp)
{
return "watch." + QByteArray::number(theWatcherNames[exp]);
}
void WatchHandler::watchExpression(const QString &exp, const QString &name)
{
QTC_ASSERT(m_engine, return);
// Do not insert the same entry more then once.
if (theWatcherNames.value(exp.toLatin1()))
return;
// FIXME: 'exp' can contain illegal characters
WatchData data;
data.exp = exp.toLatin1();
data.name = name.isEmpty() ? exp : name;
theWatcherNames[data.exp] = m_watcherCounter++;
saveWatchers();
if (exp.isEmpty())
data.setAllUnneeded();
data.iname = watcherName(data.exp);
if (m_engine->state() == DebuggerNotReady) {
data.setAllUnneeded();
data.setValue(QString(QLatin1Char(' ')));
data.setHasChildren(false);
insertIncompleteData(data);
} else if (m_engine->isSynchronous()) {
m_engine->updateWatchData(data);
} else {
insertIncompleteData(data);
}
updateWatchersWindow();
}
// Watch something obtained from the editor.
// Prefer to watch an existing local variable by its expression
// (address) if it can be found. Default to watchExpression().
void WatchHandler::watchVariable(const QString &exp)
{
if (const WatchData *localVariable = findCppLocalVariable(exp))
watchExpression(QLatin1String(localVariable->exp), exp);
else
watchExpression(exp);
}
static void swapEndian(char *d, int nchar)
{
QTC_ASSERT(nchar % 4 == 0, return);
for (int i = 0; i < nchar; i += 4) {
char c = d[i];
d[i] = d[i + 3];
d[i + 3] = c;
c = d[i + 1];
d[i + 1] = d[i + 2];
d[i + 2] = c;
}
}
static int indexOf(const QTabWidget *tw, const QWidget *w)
{
for (int i = 0; i < tw->count(); ++i)
if (tw->widget(i) == w)
return i;
return -1;
}
void WatchHandler::removeSeparateWidget(QObject *o)
{
const int index = o && o->isWidgetType() && !m_separateWindow.isNull() ?
indexOf(m_separateWindow, static_cast<QWidget *>(o)) : -1;
if (index != -1) {
m_separateWindow->removeTab(index);
if (!m_separateWindow->count())
m_separateWindow->hide();
}
}
void WatchHandler::showSeparateWidget(QWidget *w)
{
if (m_separateWindow.isNull()) {
m_separateWindow = new SeparateViewWidget(debuggerCore()->mainWindow());
QVariant geometry = debuggerCore()->
sessionValue(QLatin1String("DebuggerSeparateWidgetGeometry"));
if (geometry.isValid())
m_separateWindow->setGeometry(geometry.toRect());
}
int index = indexOf(m_separateWindow, w);
if (index != -1)
m_separateWindow->setTabText(index, w->windowTitle());
else
index = m_separateWindow->addTab(w, w->windowTitle());
m_separateWindow->setCurrentIndex(index);
m_separateWindow->show();
m_separateWindow->raise();
}
void WatchHandler::showEditValue(const WatchData &data)
{
const QByteArray key = data.address ? data.hexAddress() : data.iname;
QObject *w = m_model->m_editHandlers.value(key);
switch (data.editformat) {
case StopDisplay:
m_model->m_editHandlers.remove(data.iname);
delete w;
break;
case DisplayImageData:
case DisplayImageFile: { // QImage
ImageViewer *l = qobject_cast<ImageViewer *>(w);
if (!l) {
removeSeparateWidget(w);
delete w;
l = new ImageViewer;
const QString title = data.address ?
tr("%1 Object at %2").arg(QLatin1String(data.type),
QLatin1String(data.hexAddress())) :
tr("%1 Object at Unknown Address").arg(QLatin1String(data.type));
l->setWindowTitle(title);
showSeparateWidget(l);
m_model->m_editHandlers[key] = l;
}
int width = 0, height = 0, format = 0;
QByteArray ba;
uchar *bits = 0;
if (data.editformat == DisplayImageData) {
ba = QByteArray::fromHex(data.editvalue);
const int *header = (int *)(ba.data());
if (!ba.at(0) && !ba.at(1)) // Check on 'width' for Python dumpers returning 4-byte swapped-data.
swapEndian(ba.data(), ba.size());
bits = 12 + (uchar *)(ba.data());
width = header[0];
height = header[1];
format = header[2];
} else if (data.editformat == DisplayImageFile) {
QTextStream ts(data.editvalue);
QString fileName;
ts >> width >> height >> format >> fileName;
QFile f(fileName);
f.open(QIODevice::ReadOnly);
ba = f.readAll();
bits = (uchar*)ba.data();
}
l->setImage(QImage(bits, width, height, QImage::Format(format)));
showSeparateWidget(l);
}
break;
case DisplayUtf16String:
case DisplayLatin1String:
case DisplayUtf8String: { // String data.
QTextEdit *t = qobject_cast<QTextEdit *>(w);
if (!t) {
removeSeparateWidget(w);
delete w;
t = new QTextEdit;
m_model->m_editHandlers[key] = t;
}
QByteArray ba = QByteArray::fromHex(data.editvalue);
QString str;
if (data.editformat == DisplayUtf16String)
str = QString::fromUtf16((ushort *)ba.constData(), ba.size()/2);
else if (data.editformat == DisplayLatin1String)
str = QString::fromLatin1(ba.constData(), ba.size());
else if (data.editformat == DisplayUtf8String)
str = QString::fromUtf8(ba.constData(), ba.size());
t->setWindowTitle(data.name);
t->setText(str);
showSeparateWidget(t);
}
break;
case DisplayProcess: {
// Generic Process.
int pos = data.editvalue.indexOf('|');
QByteArray cmd = data.editvalue.left(pos);
QByteArray input = data.editvalue.mid(pos + 1);
QProcess *p = qobject_cast<QProcess *>(w);
if (!p) {
p = new QProcess;
p->start(QLatin1String(cmd));
p->waitForStarted();
m_model->m_editHandlers[key] = p;
}
p->write(input + '\n');
}
break;
default:
QTC_ASSERT(false, qDebug() << "Display format: " << data.editformat);
break;
}
}
void WatchHandler::clearWatches()
{
if (theWatcherNames.isEmpty())
return;
m_model->destroyChildren(m_model->m_watchRoot);
theWatcherNames.clear();
m_watcherCounter = 0;
updateWatchersWindow();
saveWatchers();
}
void WatchHandler::updateWatchersWindow()
{
// Force show/hide of watchers and return view.
static int previousShowWatch = -1;
static int previousShowReturn = -1;
int showWatch = !m_model->m_watchRoot->children.isEmpty();
int showReturn = !m_model->m_returnRoot->children.isEmpty();
if (showWatch == previousShowWatch && showReturn == previousShowReturn)
return;
previousShowWatch = showWatch;
previousShowReturn = showReturn;
debuggerCore()->updateWatchersWindow(showWatch, showReturn);
}
QStringList WatchHandler::watchedExpressions()
{
// Filter out invalid watchers.
QStringList watcherNames;
QHashIterator<QByteArray, int> it(theWatcherNames);
while (it.hasNext()) {
it.next();
const QByteArray &watcherName = it.key();
if (!watcherName.isEmpty())
watcherNames.push_back(QLatin1String(watcherName));
}
return watcherNames;
}
void WatchHandler::saveWatchers()
{
debuggerCore()->setSessionValue(QLatin1String("Watchers"), QVariant(watchedExpressions()));
}
void WatchHandler::loadTypeFormats()
{
QVariant value = debuggerCore()->sessionValue(QLatin1String("DefaultFormats"));
QMap<QString, QVariant> typeFormats = value.toMap();
QMapIterator<QString, QVariant> it(typeFormats);
while (it.hasNext()) {
it.next();
if (!it.key().isEmpty())
theTypeFormats.insert(it.key().toUtf8(), it.value().toInt());
}
}
void WatchHandler::saveTypeFormats()
{
QMap<QString, QVariant> typeFormats;
QHashIterator<QByteArray, int> it(theTypeFormats);
while (it.hasNext()) {
it.next();
const int format = it.value();
if (format != DecimalFormat) {
const QByteArray key = it.key().trimmed();
if (!key.isEmpty())
typeFormats.insert(QLatin1String(key), format);
}
}
debuggerCore()->setSessionValue(QLatin1String("DefaultFormats"),
QVariant(typeFormats));
}
void WatchHandler::saveSessionData()
{
saveWatchers();
saveTypeFormats();
}
void WatchHandler::loadSessionData()
{
loadTypeFormats();
theWatcherNames.clear();
m_watcherCounter = 0;
QVariant value = debuggerCore()->sessionValue(QLatin1String("Watchers"));
m_model->destroyChildren(m_model->m_watchRoot);
foreach (const QString &exp, value.toStringList())
watchExpression(exp);
}
void WatchHandler::updateWatchers()
{
m_model->destroyChildren(m_model->m_watchRoot);
// Copy over all watchers and mark all watchers as incomplete.
foreach (const QByteArray &exp, theWatcherNames.keys()) {
WatchData data;
data.iname = watcherName(exp);
data.setAllNeeded();
data.name = QLatin1String(exp);
data.exp = exp;
insertIncompleteData(data);
}
}
QAbstractItemModel *WatchHandler::model() const
{
return m_model;
}
const WatchData *WatchHandler::watchData(const QModelIndex &idx) const
{
return m_model->watchItem(idx);
}
const QModelIndex WatchHandler::watchDataIndex(const QByteArray &iname) const
{
return m_model->watchIndex(m_model->findItem(iname));
}
const WatchData *WatchHandler::findData(const QByteArray &iname) const
{
return m_model->findItem(iname);
}
const WatchData *WatchHandler::findCppLocalVariable(const QString &name) const
{
// Can this be found as a local variable?
const QByteArray localsPrefix("local.");
QByteArray iname = localsPrefix + name.toLatin1();
if (const WatchData *wd = findData(iname))
return wd;
// Nope, try a 'local.this.m_foo'.
iname.insert(localsPrefix.size(), "this.");
if (const WatchData *wd = findData(iname))
return wd;
return 0;
}
QString WatchHandler::displayForAutoTest(const QByteArray &iname) const
{
return m_model->displayForAutoTest(iname);
}
bool WatchHandler::hasItem(const QByteArray &iname) const
{
return m_model->findItem(iname);
}
void WatchHandler::setFormat(const QByteArray &type0, int format)
{
const QByteArray type = stripForFormat(type0);
if (format == -1)
theTypeFormats.remove(type);
else
theTypeFormats[type] = format;
saveTypeFormats();
m_model->emitDataChanged(1);
}
int WatchHandler::format(const QByteArray &iname) const
{
int result = -1;
if (const WatchData *item = m_model->findItem(iname)) {
int result = theIndividualFormats.value(item->iname, -1);
if (result == -1)
result = theTypeFormats.value(stripForFormat(item->type), -1);
}
return result;
}
QByteArray WatchHandler::expansionRequests() const
{
QByteArray ba;
m_model->formatRequests(&ba, m_model->m_root);
if (!m_model->m_expandedINames.isEmpty()) {
QSetIterator<QByteArray> jt(m_model->m_expandedINames);
while (jt.hasNext()) {
QByteArray iname = jt.next();
ba.append(iname);
ba.append(',');
}
ba.chop(1);
}
return ba;
}
QByteArray WatchHandler::typeFormatRequests() const
{
QByteArray ba;
if (!theTypeFormats.isEmpty()) {
QHashIterator<QByteArray, int> it(theTypeFormats);
while (it.hasNext()) {
it.next();
ba.append(it.key().toHex());
ba.append('=');
ba.append(QByteArray::number(it.value()));
ba.append(',');
}
ba.chop(1);
}
return ba;
}
QByteArray WatchHandler::individualFormatRequests() const
{
QByteArray ba;
if (!theIndividualFormats.isEmpty()) {
QHashIterator<QByteArray, int> it(theIndividualFormats);
while (it.hasNext()) {
it.next();
ba.append(it.key());
ba.append('=');
ba.append(QByteArray::number(it.value()));
ba.append(',');
}
ba.chop(1);
}
return ba;
}
void WatchHandler::addTypeFormats(const QByteArray &type, const QStringList &formats)
{
m_model->m_reportedTypeFormats.insert(QLatin1String(stripForFormat(type)), formats);
}
QString WatchHandler::editorContents()
{
QString contents;
m_model->showInEditorHelper(&contents, m_model->m_root, 0);
return contents;
}
void WatchHandler::removeTooltip()
{
m_model->destroyChildren(m_model->m_tooltipRoot);
}
void WatchHandler::rebuildModel()
{
// m_model->destroyChildren(m_model->m_watchRoot);
// foreach (const QString &exp, watchedExpressions()) {
// WatchData data;
// data.exp = exp.toLatin1();
// data.name = exp;
// data.iname = watcherName(data.exp);
// data.setAllUnneeded();
// insertIncompleteData(data);
// }
}
void WatchHandler::setTypeFormats(const TypeFormats &typeFormats)
{
m_model->m_reportedTypeFormats = typeFormats;
}
TypeFormats WatchHandler::typeFormats() const
{
return m_model->m_reportedTypeFormats;
}
void WatchHandler::editTypeFormats(bool includeLocals, const QByteArray &iname)
{
Q_UNUSED(includeLocals);
TypeFormatsDialog dlg(0);
//QHashIterator<QString, QStringList> it(m_reportedTypeFormats);
QList<QString> l = m_model->m_reportedTypeFormats.keys();
qSort(l.begin(), l.end());
foreach (const QString &ba, l) {
int f = iname.isEmpty() ? -1 : format(iname);
dlg.addTypeFormats(ba, m_model->m_reportedTypeFormats.value(ba), f);
}
if (dlg.exec())
setTypeFormats(dlg.typeFormats());
}
void WatchHandler::scheduleResetLocation()
{
m_contentsValid = false;
//m_contentsValid = true; // FIXME
m_resetLocationScheduled = true;
}
void WatchHandler::resetLocation()
{
if (m_resetLocationScheduled) {
m_resetLocationScheduled = false;
//m_model->invalidateAll(); FIXME
}
}
bool WatchHandler::isValidToolTip(const QByteArray &iname) const
{
WatchItem *item = m_model->findItem(iname);
return item && !item->type.trimmed().isEmpty();
}
void WatchHandler::setCurrentItem(const QByteArray &iname)
{
m_model->setCurrentItem(iname);
}
QHash<QByteArray, int> WatchHandler::watcherNames()
{
return theWatcherNames;
}
void WatchHandler::setUnprintableBase(int base)
{
theUnprintableBase = base;
m_model->emitAllChanged();
}
int WatchHandler::unprintableBase()
{
return theUnprintableBase;
}
bool WatchHandler::isExpandedIName(const QByteArray &iname) const
{
return m_model->m_expandedINames.contains(iname);
}
QSet<QByteArray> WatchHandler::expandedINames() const
{
return m_model->m_expandedINames;
}
} // namespace Internal
} // namespace Debugger
#include "watchhandler.moc"
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