void openScopes(Entry * object)
{
int cur_scope_separator_pos = 0;
int last_scope_separator_pos = 0;
while (0 <= (cur_scope_separator_pos = object->name.find("::", last_scope_separator_pos)))
{
QString scope = object->name.mid(last_scope_separator_pos,
cur_scope_separator_pos - last_scope_separator_pos);
last_scope_separator_pos = cur_scope_separator_pos + 2;
Entry * current_namespace = openNamespace(scope);
if (!m_scopeStack.isEmpty())
{ m_scopeStack.last()->scope->addSubEntry(current_namespace); }
m_scopeStack.append(new ScopeData(current_namespace, m_scopeCount));
}
QCString scoped_name(getCurrentScope());
if (!scoped_name.isEmpty())
{ scoped_name.append("::"); }
scoped_name.append(object->name.mid(last_scope_separator_pos));
object->name = scoped_name;
if (!m_scopeStack.isEmpty())
{ m_scopeStack.last()->scope->addSubEntry(object); }
m_scopeStack.append(new ScopeData(object, m_scopeCount));
++m_scopeCount;
}
void addNamedType(const QCString &type)
{
QCString scoped_name(getCurrentScope());
if (m_namedTypeMap.contains(scoped_name))
{
DOC_ERROR(QString("Named type \"%1\" is already defined.").arg(scoped_name));
return;
}
m_namedTypeMap.insert(scoped_name, type);
}
Entry * openNamespace(const QString & name)
{
Entry * current_namespace = createEntry();
QCString scoped_name(getCurrentScope());
if (!scoped_name.isEmpty())
{ scoped_name.append("::"); }
scoped_name.append(name.utf8());
current_namespace->name = scoped_name;
current_namespace->section = Entry::NAMESPACE_SEC;
current_namespace->type = "namespace" ;
return current_namespace;
}
void
FE_Utils::create_uses_multiple_stuff (AST_Component *c,
AST_Uses *u,
const char *prefix)
{
ACE_CString struct_name (prefix);
if (!struct_name.empty ())
{
struct_name += '_';
}
struct_name += u->local_name ()->get_string ();
struct_name += "Connection";
Identifier struct_id (struct_name.c_str ());
UTL_ScopedName sn (&struct_id, 0);
// In case this call comes from the backend. We
// will pop the scope before returning.
idl_global->scopes ().push (c);
AST_Structure *connection =
idl_global->gen ()->create_structure (&sn, 0, 0);
struct_id.destroy ();
/// If the field type is a param holder, we want
/// to use the lookup to create a fresh one,
/// since the field will own it and destroy it.
UTL_ScopedName *fn = u->uses_type ()->name ();
AST_Decl *d =
idl_global->root ()->lookup_by_name (fn, true, false);
AST_Type *ft = AST_Type::narrow_from_decl (d);
Identifier object_id ("objref");
UTL_ScopedName object_name (&object_id,
0);
AST_Field *object_field =
idl_global->gen ()->create_field (ft,
&object_name,
AST_Field::vis_NA);
(void) DeclAsScope (connection)->fe_add_field (object_field);
object_id.destroy ();
Identifier local_id ("Cookie");
UTL_ScopedName local_name (&local_id,
0);
Identifier module_id ("Components");
UTL_ScopedName scoped_name (&module_id,
&local_name);
d = c->lookup_by_name (&scoped_name, true);
local_id.destroy ();
module_id.destroy ();
if (d == 0)
{
// This would happen if we haven't included Components.idl.
idl_global->err ()->lookup_error (&scoped_name);
return;
}
AST_ValueType *cookie = AST_ValueType::narrow_from_decl (d);
Identifier cookie_id ("ck");
UTL_ScopedName cookie_name (&cookie_id,
0);
AST_Field *cookie_field =
idl_global->gen ()->create_field (cookie,
&cookie_name,
AST_Field::vis_NA);
(void) DeclAsScope (connection)->fe_add_field (cookie_field);
cookie_id.destroy ();
(void) c->fe_add_structure (connection);
ACE_CDR::ULong bound = 0;
AST_Expression *bound_expr =
idl_global->gen ()->create_expr (bound,
AST_Expression::EV_ulong);
AST_Sequence *sequence =
idl_global->gen ()->create_sequence (bound_expr,
connection,
0,
0,
0);
ACE_CString seq_string (struct_name);
seq_string += 's';
Identifier seq_id (seq_string.c_str ());
UTL_ScopedName seq_name (&seq_id,
0);
AST_Typedef *connections =
idl_global->gen ()->create_typedef (sequence,
&seq_name,
0,
0);
seq_id.destroy ();
(void) c->fe_add_typedef (connections);
// In case this call comes from the backend.
idl_global->scopes ().pop ();
}
// Create a dynamic meta-object for a Python type by introspecting its
// attributes. Note that it leaks if the type is deleted.
static int create_dynamic_metaobject(pyqtWrapperType *pyqt_wt)
{
PyTypeObject *pytype = (PyTypeObject *)pyqt_wt;
qpycore_metaobject *qo = new qpycore_metaobject;
QMetaObjectBuilder builder;
// Get any class info.
QList<ClassInfo> class_info_list = qpycore_get_class_info_list();
// Get any enums/flags.
QList<EnumsFlags> enums_flags_list = qpycore_get_enums_flags_list();
// Get the super-type's meta-object.
builder.setSuperClass(get_qmetaobject((pyqtWrapperType *)pytype->tp_base));
// Get the name of the type. Dynamic types have simple names.
builder.setClassName(pytype->tp_name);
// Go through the class hierarchy getting all PyQt properties, slots and
// signals.
QList<const qpycore_pyqtSignal *> psigs;
QMap<uint, PropertyData> pprops;
if (trawl_hierarchy(pytype, qo, builder, psigs, pprops) < 0)
return -1;
qo->nr_signals = psigs.count();
// Initialise the header section of the data table. Note that Qt v4.5
// introduced revision 2 which added constructors. However the design is
// broken in that the static meta-call function doesn't provide enough
// information to determine which Python sub-class of a Qt class is to be
// created. So we stick with revision 1 (and don't allow pyqtSlot() to
// decorate __init__).
// Set up any class information.
for (int i = 0; i < class_info_list.count(); ++i)
{
const ClassInfo &ci = class_info_list.at(i);
builder.addClassInfo(ci.first, ci.second);
}
// Set up any enums/flags.
for (int i = 0; i < enums_flags_list.count(); ++i)
{
const EnumsFlags &ef = enums_flags_list.at(i);
QByteArray scoped_name(pytype->tp_name);
scoped_name.append("::");
scoped_name.append(ef.name);
QMetaEnumBuilder enum_builder = builder.addEnumerator(scoped_name);
enum_builder.setIsFlag(ef.isFlag);
QHash<QByteArray, int>::const_iterator it = ef.keys.constBegin();
while (it != ef.keys.constEnd())
{
enum_builder.addKey(it.key(), it.value());
++it;
}
}
// Add the signals to the meta-object.
for (int g = 0; g < qo->nr_signals; ++g)
{
const qpycore_pyqtSignal *ps = psigs.at(g);
QMetaMethodBuilder signal_builder = builder.addSignal(
ps->parsed_signature->signature.mid(1));
if (ps->parameter_names)
signal_builder.setParameterNames(*ps->parameter_names);
signal_builder.setRevision(ps->revision);
}
// Add the slots to the meta-object.
for (int s = 0; s < qo->pslots.count(); ++s)
{
const Chimera::Signature *slot_signature = qo->pslots.at(s)->slotSignature();
const QByteArray &sig = slot_signature->signature;
QMetaMethodBuilder slot_builder = builder.addSlot(sig);
// Add any type.
if (slot_signature->result)
slot_builder.setReturnType(slot_signature->result->name());
slot_builder.setRevision(slot_signature->revision);
}
// Add the properties to the meta-object.
QMapIterator<uint, PropertyData> it(pprops);
for (int p = 0; it.hasNext(); ++p)
{
it.next();
const PropertyData &pprop = it.value();
const char *prop_name = SIPBytes_AS_STRING(pprop.first);
qpycore_pyqtProperty *pp = (qpycore_pyqtProperty *)pprop.second;
int notifier_id;
if (pp->pyqtprop_notify)
{
qpycore_pyqtSignal *ps = (qpycore_pyqtSignal *)pp->pyqtprop_notify;
const QByteArray &sig = ps->parsed_signature->signature;
notifier_id = builder.indexOfSignal(sig.mid(1));
if (notifier_id < 0)
{
PyErr_Format(PyExc_TypeError,
"the notify signal '%s' was not defined in this class",
sig.constData() + 1);
// Note that we leak the property name.
return -1;
}
}
else
{
notifier_id = -1;
}
// A Qt v5 revision 7 meta-object holds the QMetaType::Type of the type
// or its name if it is unresolved (ie. not known to the type system).
// In Qt v4 both are held. For QObject sub-classes Chimera will fall
// back to the QMetaType::QObjectStar if there is no specific meta-type
// for the sub-class. This means that, for Qt v4,
// QMetaProperty::read() can handle the type. However, Qt v5 doesn't
// know that the unresolved type is a QObject sub-class. Therefore we
// have to tell it that the property is a QObject, rather than the
// sub-class. This means that QMetaProperty.typeName() will always
// return "QObject*".
QByteArray prop_type;
if (pp->pyqtprop_parsed_type->metatype() == QMetaType::QObjectStar)
{
// However, if the type is a Python sub-class of QObject then we
// use the name of the Python type. This anticipates that the type
// is one that will be proxied by QML at some point.
if (pp->pyqtprop_parsed_type->typeDef() == sipType_QObject)
{
prop_type = ((PyTypeObject *)pp->pyqtprop_parsed_type->py_type())->tp_name;
prop_type.append('*');
}
else
{
prop_type = "QObject*";
}
}
else
{
prop_type = pp->pyqtprop_parsed_type->name();
}
QMetaPropertyBuilder prop_builder = builder.addProperty(prop_name,
prop_type, notifier_id);
// Reset the defaults.
prop_builder.setReadable(false);
prop_builder.setWritable(false);
// Enum or flag.
if (pp->pyqtprop_parsed_type->isEnum() || pp->pyqtprop_parsed_type->isFlag())
{
prop_builder.setEnumOrFlag(true);
}
if (pp->pyqtprop_get && PyCallable_Check(pp->pyqtprop_get))
{
// Readable.
prop_builder.setReadable(true);
}
if (pp->pyqtprop_set && PyCallable_Check(pp->pyqtprop_set))
{
// Writable.
prop_builder.setWritable(true);
// See if the name of the setter follows the Designer convention.
// If so tell the UI compilers not to use setProperty().
PyObject *setter_name_obj = PyObject_GetAttr(pp->pyqtprop_set,
qpycore_dunder_name);
if (setter_name_obj)
{
PyObject *ascii_obj = setter_name_obj;
const char *ascii = sipString_AsASCIIString(&ascii_obj);
Py_DECREF(setter_name_obj);
if (ascii)
{
if (qstrlen(ascii) > 3 && ascii[0] == 's' &&
ascii[1] == 'e' && ascii[2] == 't' &&
ascii[3] == toupper(prop_name[0]) &&
qstrcmp(&ascii[4], &prop_name[1]) == 0)
prop_builder.setStdCppSet(true);
}
Py_DECREF(ascii_obj);
}
PyErr_Clear();
}
if (pp->pyqtprop_reset && PyCallable_Check(pp->pyqtprop_reset))
{
// Resetable.
prop_builder.setResettable(true);
}
// Add the property flags. Note that Qt4 always seems to have
// ResolveEditable set but QMetaObjectBuilder doesn't provide an API
// call to do it.
prop_builder.setDesignable(pp->pyqtprop_flags & 0x00001000);
prop_builder.setScriptable(pp->pyqtprop_flags & 0x00004000);
prop_builder.setStored(pp->pyqtprop_flags & 0x00010000);
prop_builder.setUser(pp->pyqtprop_flags & 0x00100000);
prop_builder.setConstant(pp->pyqtprop_flags & 0x00000400);
prop_builder.setFinal(pp->pyqtprop_flags & 0x00000800);
prop_builder.setRevision(pp->pyqtprop_revision);
// Save the property data for qt_metacall(). (We already have a
// reference.)
qo->pprops.append(pp);
// We've finished with the property name.
Py_DECREF(pprop.first);
}
// Initialise the rest of the meta-object.
qo->mo = builder.toMetaObject();
// Save the meta-object.
pyqt_wt->metaobject = qo;
return 0;
}
