QString sizeofTypeExpression(const QString &type)
{
if (type.endsWith(QLatin1Char('*')))
return QLatin1String("sizeof(void*)");
if (type.endsWith(QLatin1Char('>')))
return QLatin1String("sizeof(") + type + QLatin1Char(')');
return QLatin1String("sizeof(") + gdbQuoteTypes(type) + QLatin1Char(')');
}
QByteArray gdbQuoteTypes(const QByteArray &type)
{
// gdb does not understand sizeof(Core::IDocument*).
// "sizeof('Core::IDocument*')" is also not acceptable,
// it needs to be "sizeof('Core::IDocument'*)"
//
// We never will have a perfect solution here (even if we had a full blown
// C++ parser as we do not have information on what is a type and what is
// a variable name. So "a<b>::c" could either be two comparisons of values
// 'a', 'b' and '::c', or a nested type 'c' in a template 'a<b>'. We
// assume here it is the latter.
//return type;
// (*('myns::QPointer<myns::QObject>*'*)0x684060)" is not acceptable
// (*('myns::QPointer<myns::QObject>'**)0x684060)" is acceptable
if (isPointerType(type))
return gdbQuoteTypes(stripPointerType(type)) + '*';
QByteArray accu;
QByteArray result;
int templateLevel = 0;
const char colon = ':';
const char singleQuote = '\'';
const char lessThan = '<';
const char greaterThan = '>';
for (int i = 0; i != type.size(); ++i) {
const char c = type.at(i);
if (isLetterOrNumber(c) || c == '_' || c == colon || c == ' ') {
accu += c;
} else if (c == lessThan) {
++templateLevel;
accu += c;
} else if (c == greaterThan) {
--templateLevel;
accu += c;
} else if (templateLevel > 0) {
accu += c;
} else {
if (accu.contains(colon) || accu.contains(lessThan))
result += singleQuote + accu + singleQuote;
else
result += accu;
accu.clear();
result += c;
}
}
if (accu.contains(colon) || accu.contains(lessThan))
result += singleQuote + accu + singleQuote;
else
result += accu;
//qDebug() << "GDB_QUOTING" << type << " TO " << result;
return result;
}
void WatchItem::parseHelper(const GdbMi &input)
{
setChildrenUnneeded();
GdbMi mi = input["type"];
if (mi.isValid())
setType(mi.data());
editvalue = input["editvalue"].data();
editformat = DebuggerDisplay(input["editformat"].toInt());
editencoding = DebuggerEncoding(input["editencoding"].data());
mi = input["valueelided"];
if (mi.isValid())
elided = mi.toInt();
mi = input["bitpos"];
if (mi.isValid())
bitpos = mi.toInt();
mi = input["bitsize"];
if (mi.isValid())
bitsize = mi.toInt();
mi = input["origaddr"];
if (mi.isValid())
origaddr = mi.toAddress();
mi = input["address"];
if (mi.isValid()) {
address = mi.toAddress();
if (exp.isEmpty()) {
if (iname.startsWith("local.") && iname.count('.') == 1)
// Solve one common case of adding 'class' in
// *(class X*)0xdeadbeef for gdb.
exp = name.toLatin1();
else
exp = "*(" + gdbQuoteTypes(type) + "*)" + hexAddress();
}
}
mi = input["value"];
QByteArray enc = input["valueencoded"].data();
if (mi.isValid() || !enc.isEmpty()) {
setValue(decodeData(mi.data(), enc));
} else {
setValueNeeded();
}
mi = input["size"];
if (mi.isValid())
size = mi.toInt();
mi = input["exp"];
if (mi.isValid())
exp = mi.data();
mi = input["valueenabled"];
if (mi.data() == "true")
valueEnabled = true;
else if (mi.data() == "false")
valueEnabled = false;
mi = input["valueeditable"];
if (mi.data() == "true")
valueEditable = true;
else if (mi.data() == "false")
valueEditable = false;
mi = input["numchild"]; // GDB/MI
if (mi.isValid())
setHasChildren(mi.toInt() > 0);
mi = input["haschild"]; // native-mixed
if (mi.isValid())
setHasChildren(mi.toInt() > 0);
mi = input["arraydata"];
if (mi.isValid()) {
DebuggerEncoding encoding(input["arrayencoding"].data());
QByteArray childType = input["childtype"].data();
decodeArrayData(this, mi.data(), encoding, childType);
} else {
const GdbMi children = input["children"];
if (children.isValid()) {
bool ok = false;
// Try not to repeat data too often.
const GdbMi childType = input["childtype"];
const GdbMi childNumChild = input["childnumchild"];
qulonglong addressBase = input["addrbase"].data().toULongLong(&ok, 0);
qulonglong addressStep = input["addrstep"].data().toULongLong(&ok, 0);
for (int i = 0, n = int(children.children().size()); i != n; ++i) {
const GdbMi &subinput = children.children().at(i);
WatchItem *child = new WatchItem;
if (childType.isValid())
child->setType(childType.data());
if (childNumChild.isValid())
child->setHasChildren(childNumChild.toInt() > 0);
GdbMi name = subinput["name"];
QByteArray nn;
if (name.isValid()) {
nn = name.data();
child->name = QString::fromLatin1(nn);
} else {
nn.setNum(i);
child->name = QString::fromLatin1("[%1]").arg(i);
}
GdbMi iname = subinput["iname"];
if (iname.isValid())
child->iname = iname.data();
else
child->iname = this->iname + '.' + nn;
if (addressStep) {
child->address = addressBase + i * addressStep;
child->exp = "*(" + gdbQuoteTypes(child->type) + "*)" + child->hexAddress();
}
QByteArray key = subinput["key"].data();
if (!key.isEmpty())
child->name = decodeData(key, subinput["keyencoded"].data());
child->parseHelper(subinput);
appendChild(child);
}
}
}
}
