QDBusMetaObjectGenerator::QDBusMetaObjectGenerator(const QString &interfaceName,
const QDBusIntrospection::Interface *parsedData)
: data(parsedData), interface(interfaceName)
{
if (data) {
parseProperties();
parseSignals(); // call parseSignals first so that slots override signals
parseMethods();
}
}
void Moc::parse()
{
QList<NamespaceDef> namespaceList;
bool templateClass = false;
while (hasNext()) {
Token t = next();
switch (t) {
case NAMESPACE: {
int rewind = index;
if (test(IDENTIFIER)) {
if (test(EQ)) {
// namespace Foo = Bar::Baz;
until(SEMIC);
} else if (!test(SEMIC)) {
NamespaceDef def;
def.name = lexem();
next(LBRACE);
def.begin = index - 1;
until(RBRACE);
def.end = index;
index = def.begin + 1;
namespaceList += def;
index = rewind;
}
}
break;
}
case SEMIC:
case RBRACE:
templateClass = false;
break;
case TEMPLATE:
templateClass = true;
break;
case MOC_INCLUDE_BEGIN:
currentFilenames.push(symbol().unquotedLexem());
break;
case MOC_INCLUDE_END:
currentFilenames.pop();
break;
case Q_DECLARE_INTERFACE_TOKEN:
parseDeclareInterface();
break;
case Q_DECLARE_METATYPE_TOKEN:
parseDeclareMetatype();
break;
case USING:
if (test(NAMESPACE)) {
while (test(SCOPE) || test(IDENTIFIER))
;
next(SEMIC);
}
break;
case CLASS:
case STRUCT: {
if (currentFilenames.size() <= 1)
break;
ClassDef def;
if (!parseClassHead(&def))
continue;
while (inClass(&def) && hasNext()) {
if (next() == Q_OBJECT_TOKEN) {
def.hasQObject = true;
break;
}
}
if (!def.hasQObject)
continue;
for (int i = namespaceList.size() - 1; i >= 0; --i)
if (inNamespace(&namespaceList.at(i)))
def.qualified.prepend(namespaceList.at(i).name + "::");
knownQObjectClasses.insert(def.classname);
knownQObjectClasses.insert(def.qualified);
continue; }
default: break;
}
if ((t != CLASS && t != STRUCT)|| currentFilenames.size() > 1)
continue;
ClassDef def;
if (parseClassHead(&def)) {
FunctionDef::Access access = FunctionDef::Private;
for (int i = namespaceList.size() - 1; i >= 0; --i)
if (inNamespace(&namespaceList.at(i)))
def.qualified.prepend(namespaceList.at(i).name + "::");
while (inClass(&def) && hasNext()) {
switch ((t = next())) {
case PRIVATE:
access = FunctionDef::Private;
if (test(Q_SIGNALS_TOKEN))
error("Signals cannot have access specifier");
break;
case PROTECTED:
access = FunctionDef::Protected;
if (test(Q_SIGNALS_TOKEN))
error("Signals cannot have access specifier");
break;
case PUBLIC:
access = FunctionDef::Public;
if (test(Q_SIGNALS_TOKEN))
error("Signals cannot have access specifier");
break;
case CLASS: {
ClassDef nestedDef;
if (parseClassHead(&nestedDef)) {
while (inClass(&nestedDef) && inClass(&def)) {
t = next();
if (t >= Q_META_TOKEN_BEGIN && t < Q_META_TOKEN_END)
error("Meta object features not supported for nested classes");
}
}
} break;
case Q_SIGNALS_TOKEN:
parseSignals(&def);
break;
case Q_SLOTS_TOKEN:
switch (lookup(-1)) {
case PUBLIC:
case PROTECTED:
case PRIVATE:
parseSlots(&def, access);
break;
default:
error("Missing access specifier for slots");
}
break;
case Q_OBJECT_TOKEN:
def.hasQObject = true;
if (templateClass)
error("Template classes not supported by Q_OBJECT");
if (def.classname != "Qt" && def.classname != "QObject" && def.superclassList.isEmpty())
error("Class contains Q_OBJECT macro but does not inherit from QObject");
break;
case Q_GADGET_TOKEN:
def.hasQGadget = true;
if (templateClass)
error("Template classes not supported by Q_GADGET");
break;
case Q_PROPERTY_TOKEN:
parseProperty(&def);
break;
case Q_ENUMS_TOKEN:
parseEnumOrFlag(&def, false);
break;
case Q_FLAGS_TOKEN:
parseEnumOrFlag(&def, true);
break;
case Q_DECLARE_FLAGS_TOKEN:
parseFlag(&def);
break;
case Q_CLASSINFO_TOKEN:
parseClassInfo(&def);
break;
case Q_INTERFACES_TOKEN:
parseInterfaces(&def);
break;
case Q_PRIVATE_SLOT_TOKEN:
parseSlotInPrivate(&def, access);
break;
case Q_PRIVATE_PROPERTY_TOKEN:
parsePrivateProperty(&def);
break;
case ENUM: {
EnumDef enumDef;
if (parseEnum(&enumDef))
def.enumList += enumDef;
} break;
default:
FunctionDef funcDef;
funcDef.access = access;
int rewind = index;
if (parseMaybeFunction(&def, &funcDef)) {
if (funcDef.isConstructor) {
if ((access == FunctionDef::Public) && funcDef.isInvokable) {
def.constructorList += funcDef;
while (funcDef.arguments.size() > 0 && funcDef.arguments.last().isDefault) {
funcDef.wasCloned = true;
funcDef.arguments.removeLast();
def.constructorList += funcDef;
}
}
} else if (funcDef.isDestructor) {
// don't care about destructors
} else {
if (access == FunctionDef::Public)
def.publicList += funcDef;
if (funcDef.isSlot) {
def.slotList += funcDef;
while (funcDef.arguments.size() > 0 && funcDef.arguments.last().isDefault) {
funcDef.wasCloned = true;
funcDef.arguments.removeLast();
def.slotList += funcDef;
}
} else if (funcDef.isSignal) {
def.signalList += funcDef;
while (funcDef.arguments.size() > 0 && funcDef.arguments.last().isDefault) {
funcDef.wasCloned = true;
funcDef.arguments.removeLast();
def.signalList += funcDef;
}
} else if (funcDef.isInvokable) {
def.methodList += funcDef;
while (funcDef.arguments.size() > 0 && funcDef.arguments.last().isDefault) {
funcDef.wasCloned = true;
funcDef.arguments.removeLast();
def.methodList += funcDef;
}
}
}
} else {
index = rewind;
}
}
}
next(RBRACE);
if (!def.hasQObject && !def.hasQGadget && def.signalList.isEmpty() && def.slotList.isEmpty()
&& def.propertyList.isEmpty() && def.enumDeclarations.isEmpty())
continue; // no meta object code required
if (!def.hasQObject && !def.hasQGadget)
error("Class declarations lacks Q_OBJECT macro.");
checkSuperClasses(&def);
checkProperties(&def);
classList += def;
knownQObjectClasses.insert(def.classname);
knownQObjectClasses.insert(def.qualified);
}
}
}