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Copy pathabstractmetalang.cpp
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1996 lines (1637 loc) · 65.3 KB
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/****************************************************************************
**
** Copyright (C) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Script Generator project on Qt Labs.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "abstractmetalang.h"
#include "reporthandler.h"
/*******************************************************************************
* AbstractMetaType
*/
AbstractMetaType *AbstractMetaType::copy() const
{
AbstractMetaType *cpy = new AbstractMetaType;
cpy->setTypeUsagePattern(typeUsagePattern());
cpy->setConstant(isConstant());
cpy->setReference(isReference());
cpy->setIndirections(indirections());
cpy->setInstantiations(instantiations());
cpy->setArrayElementCount(arrayElementCount());
cpy->setOriginalTypeDescription(originalTypeDescription());
cpy->setOriginalTemplateType(originalTemplateType() ? originalTemplateType()->copy() : 0);
cpy->setArrayElementType(arrayElementType() ? arrayElementType()->copy() : 0);
cpy->setTypeEntry(typeEntry());
return cpy;
}
QString AbstractMetaType::cppSignature() const
{
QString s;
if (isConstant())
s += "const ";
s += typeEntry()->qualifiedCppName();
if (hasInstantiationInCpp()) {
QList<AbstractMetaType *> types = instantiations();
s += "<";
for (int i=0; i<types.count(); ++i) {
if (i > 0)
s += ", ";
s += types.at(i)->cppSignature();
}
s += " >";
}
if (actualIndirections()) {
s += ' ';
if (indirections())
s += QString(indirections(), '*');
if (isReference())
s += '&';
}
return s;
}
/*******************************************************************************
* AbstractMetaArgument
*/
AbstractMetaArgument *AbstractMetaArgument::copy() const
{
AbstractMetaArgument *cpy = new AbstractMetaArgument;
cpy->setName(AbstractMetaVariable::name());
cpy->setDefaultValueExpression(defaultValueExpression());
cpy->setType(type()->copy());
cpy->setArgumentIndex(argumentIndex());
return cpy;
}
QString AbstractMetaArgument::argumentName() const
{
QString n = AbstractMetaVariable::name();
if (n.isEmpty()) {
return QString("arg__%2").arg(m_argument_index + 1);
}
return n;
}
QString AbstractMetaArgument::indexedName() const
{
QString n = AbstractMetaVariable::name();
if (n.isEmpty())
return argumentName();
return QString("%1%2").arg(n).arg(m_argument_index);
}
QString AbstractMetaArgument::name() const
{
Q_ASSERT_X(0, "AbstractMetaArgument::name()", "use argumentName() or indexedName() instead");
return QString();
}
/*******************************************************************************
* AbstractMetaFunction
*/
AbstractMetaFunction::~AbstractMetaFunction()
{
qDeleteAll(m_arguments);
delete m_type;
}
/*******************************************************************************
* Indicates that this function has a modification that removes it
*/
bool AbstractMetaFunction::isModifiedRemoved(int types) const
{
FunctionModificationList mods = modifications(implementingClass());
foreach (FunctionModification mod, mods) {
if (!mod.isRemoveModifier())
continue;
if ((mod.removal & types) == types)
return true;
}
return false;
}
bool AbstractMetaFunction::needsCallThrough() const
{
if (ownerClass()->isInterface())
return false;
if (referenceCounts(implementingClass()).size() > 0)
return true;
if (argumentsHaveNativeId() || !isStatic())
return true;
foreach (const AbstractMetaArgument *arg, arguments()) {
if (arg->type()->isArray() || arg->type()->isTargetLangEnum() || arg->type()->isTargetLangFlags())
return true;
}
if (type() && (type()->isArray() || type()->isTargetLangEnum() || type()->isTargetLangFlags()))
return true;
for (int i=-1; i<=arguments().size(); ++i) {
TypeSystem::Ownership owner = this->ownership(implementingClass(), TypeSystem::TargetLangCode, i);
if (owner != TypeSystem::InvalidOwnership)
return true;
}
return false;
}
bool AbstractMetaFunction::needsSuppressUncheckedWarning() const
{
for (int i=-1; i<=arguments().size(); ++i) {
QList<ReferenceCount> referenceCounts = this->referenceCounts(implementingClass(), i);
foreach (ReferenceCount referenceCount, referenceCounts) {
if (referenceCount.action != ReferenceCount::Set)
return true;
}
}
return false;
}
QString AbstractMetaFunction::marshalledName() const
{
QString returned = "__qt_" + name();
AbstractMetaArgumentList arguments = this->arguments();
foreach (const AbstractMetaArgument *arg, arguments) {
returned += "_";
if (arg->type()->isNativePointer()) {
returned += "nativepointer";
} else if (arg->type()->isIntegerEnum() || arg->type()->isIntegerFlags()) {
returned += "int";
} else {
returned += arg->type()->name().replace("[]", "_3").replace(".", "_");
}
}
return returned;
}
bool AbstractMetaFunction::operator<(const AbstractMetaFunction &other) const
{
uint result = compareTo(&other);
return result & NameLessThan;
}
/*!
Returns a mask of CompareResult describing how this function is
compares to another function
*/
uint AbstractMetaFunction::compareTo(const AbstractMetaFunction *other) const
{
uint result = 0;
// Enclosing class...
if (ownerClass() == other->ownerClass()) {
result |= EqualImplementor;
}
// Attributes
if (attributes() == other->attributes()) {
result |= EqualAttributes;
}
// Compare types
AbstractMetaType *t = type();
AbstractMetaType *ot = other->type();
if ((!t && !ot) || ((t && ot && t->name() == ot->name()))) {
result |= EqualReturnType;
}
// Compare names
int cmp = originalName().compare(other->originalName());
if (cmp < 0) {
result |= NameLessThan;
} else if (cmp == 0) {
result |= EqualName;
}
// compare name after modification...
cmp = modifiedName().compare(other->modifiedName());
if (cmp == 0)
result |= EqualModifiedName;
// Compare arguments...
AbstractMetaArgumentList min_arguments;
AbstractMetaArgumentList max_arguments;
if (arguments().size() < other->arguments().size()) {
min_arguments = arguments();
max_arguments = other->arguments();
} else {
min_arguments = other->arguments();
max_arguments = arguments();
}
int min_count = min_arguments.size();
int max_count = max_arguments.size();
bool same = true;
for (int i=0; i<max_count; ++i) {
if (i < min_count) {
const AbstractMetaArgument *min_arg = min_arguments.at(i);
const AbstractMetaArgument *max_arg = max_arguments.at(i);
if (min_arg->type()->name() != max_arg->type()->name()
&& (min_arg->defaultValueExpression().isEmpty() || max_arg->defaultValueExpression().isEmpty())) {
same = false;
break;
}
} else {
if (max_arguments.at(i)->defaultValueExpression().isEmpty()) {
same = false;
break;
}
}
}
if (same)
result |= min_count == max_count ? EqualArguments : EqualDefaultValueOverload;
return result;
}
AbstractMetaFunction *AbstractMetaFunction::copy() const
{
AbstractMetaFunction *cpy = new AbstractMetaFunction;
cpy->setName(name());
cpy->setOriginalName(originalName());
cpy->setOwnerClass(ownerClass());
cpy->setImplementingClass(implementingClass());
cpy->setInterfaceClass(interfaceClass());
cpy->setFunctionType(functionType());
cpy->setAttributes(attributes());
cpy->setDeclaringClass(declaringClass());
if (type())
cpy->setType(type()->copy());
cpy->setConstant(isConstant());
cpy->setException(exception());
cpy->setOriginalAttributes(originalAttributes());
foreach (AbstractMetaArgument *arg, arguments())
cpy->addArgument(arg->copy());
Q_ASSERT((!type() && !cpy->type())
|| (type()->instantiations() == cpy->type()->instantiations()));
return cpy;
}
QStringList AbstractMetaFunction::introspectionCompatibleSignatures(const QStringList &resolvedArguments) const
{
AbstractMetaArgumentList arguments = this->arguments();
if (arguments.size() == resolvedArguments.size()) {
return (QStringList() << TypeSystem::normalizedSignature((name() + "(" + resolvedArguments.join(",") + ")").toUtf8().constData()));
} else {
QStringList returned;
AbstractMetaArgument *argument = arguments.at(resolvedArguments.size());
QStringList minimalTypeSignature = argument->type()->minimalSignature().split("::");
for (int i=0; i<minimalTypeSignature.size(); ++i) {
returned += introspectionCompatibleSignatures(QStringList(resolvedArguments)
<< QStringList(minimalTypeSignature.mid(minimalTypeSignature.size() - i - 1)).join("::"));
}
return returned;
}
}
QString AbstractMetaFunction::signature() const
{
QString s(m_original_name);
s += "(";
for (int i=0; i<m_arguments.count(); ++i) {
if (i > 0)
s += ", ";
AbstractMetaArgument *a = m_arguments.at(i);
s += a->type()->cppSignature();
// We need to have the argument names in the qdoc files
s += " ";
s += a->argumentName();
}
s += ")";
if (isConstant())
s += " const";
return s;
}
int AbstractMetaFunction::actualMinimumArgumentCount() const
{
AbstractMetaArgumentList arguments = this->arguments();
int count = 0;
for (int i=0; i<arguments.size(); ++i && ++count) {
if (argumentRemoved(i + 1)) --count;
else if (!arguments.at(i)->defaultValueExpression().isEmpty()) break;
}
return count;
}
// Returns reference counts for argument at idx, or all arguments if idx == -2
QList<ReferenceCount> AbstractMetaFunction::referenceCounts(const AbstractMetaClass *cls, int idx) const
{
QList<ReferenceCount> returned;
FunctionModificationList mods = this->modifications(cls);
foreach (FunctionModification mod, mods) {
QList<ArgumentModification> argument_mods = mod.argument_mods;
foreach (ArgumentModification argument_mod, argument_mods) {
if (argument_mod.index != idx && idx != -2)
continue;
returned += argument_mod.referenceCounts;
}
}
return returned;
}
QString AbstractMetaFunction::replacedDefaultExpression(const AbstractMetaClass *cls, int key) const
{
FunctionModificationList modifications = this->modifications(cls);
foreach (FunctionModification modification, modifications) {
QList<ArgumentModification> argument_modifications = modification.argument_mods;
foreach (ArgumentModification argument_modification, argument_modifications) {
if (argument_modification.index == key
&& !argument_modification.replaced_default_expression.isEmpty()) {
return argument_modification.replaced_default_expression;
}
}
}
return QString();
}
bool AbstractMetaFunction::removedDefaultExpression(const AbstractMetaClass *cls, int key) const
{
FunctionModificationList modifications = this->modifications(cls);
foreach (FunctionModification modification, modifications) {
QList<ArgumentModification> argument_modifications = modification.argument_mods;
foreach (ArgumentModification argument_modification, argument_modifications) {
if (argument_modification.index == key
&& argument_modification.removed_default_expression) {
return true;
}
}
}
return false;
}
bool AbstractMetaFunction::resetObjectAfterUse(int argument_idx) const
{
const AbstractMetaClass *cls = declaringClass();
FunctionModificationList modifications = this->modifications(cls);
foreach (FunctionModification modification, modifications) {
QList<ArgumentModification> argumentModifications = modification.argument_mods;
foreach (ArgumentModification argumentModification, argumentModifications) {
if (argumentModification.index == argument_idx && argumentModification.reset_after_use)
return true;
}
}
return false;
}
QString AbstractMetaFunction::nullPointerDefaultValue(const AbstractMetaClass *mainClass, int argument_idx) const
{
Q_ASSERT(nullPointersDisabled(mainClass, argument_idx));
const AbstractMetaClass *cls = mainClass;
if (cls == 0)
cls = implementingClass();
do {
FunctionModificationList modifications = this->modifications(cls);
foreach (FunctionModification modification, modifications) {
QList<ArgumentModification> argument_modifications = modification.argument_mods;
foreach (ArgumentModification argument_modification, argument_modifications) {
if (argument_modification.index == argument_idx
&& argument_modification.no_null_pointers) {
return argument_modification.null_pointer_default_value;
}
}
}
cls = cls->baseClass();
} while (cls != 0 && mainClass == 0); // Once when mainClass != 0, or once for all base classes of implementing class
return QString();
}
bool AbstractMetaFunction::nullPointersDisabled(const AbstractMetaClass *mainClass, int argument_idx) const
{
const AbstractMetaClass *cls = mainClass;
if (cls == 0)
cls = implementingClass();
do {
FunctionModificationList modifications = this->modifications(cls);
foreach (FunctionModification modification, modifications) {
QList<ArgumentModification> argument_modifications = modification.argument_mods;
foreach (ArgumentModification argument_modification, argument_modifications) {
if (argument_modification.index == argument_idx
&& argument_modification.no_null_pointers) {
return true;
}
}
}
cls = cls->baseClass();
} while (cls != 0 && mainClass == 0); // Once when mainClass != 0, or once for all base classes of implementing class
return false;
}
QString AbstractMetaFunction::conversionRule(TypeSystem::Language language, int key) const
{
FunctionModificationList modifications = this->modifications(declaringClass());
foreach (FunctionModification modification, modifications) {
QList<ArgumentModification> argument_modifications = modification.argument_mods;
foreach (ArgumentModification argument_modification, argument_modifications) {
if (argument_modification.index != key)
continue;
foreach (CodeSnip snip, argument_modification.conversion_rules) {
if (snip.language == language && !snip.code().isEmpty())
return snip.code();
}
}
}
return QString();
}
QString AbstractMetaFunction::argumentReplaced(int key) const
{
FunctionModificationList modifications = this->modifications(declaringClass());
foreach (FunctionModification modification, modifications) {
QList<ArgumentModification> argument_modifications = modification.argument_mods;
foreach (ArgumentModification argument_modification, argument_modifications) {
if (argument_modification.index == key && !argument_modification.replace_value.isEmpty()) {
return argument_modification.replace_value;
}
}
}
return "";
}
bool AbstractMetaFunction::argumentRemoved(int key) const
{
FunctionModificationList modifications = this->modifications(declaringClass());
foreach (FunctionModification modification, modifications) {
QList<ArgumentModification> argument_modifications = modification.argument_mods;
foreach (ArgumentModification argument_modification, argument_modifications) {
if (argument_modification.index == key) {
if (argument_modification.removed) {
return true;
}
}
}
}
return false;
}
bool AbstractMetaFunction::isVirtualSlot() const
{
FunctionModificationList modifications = this->modifications(declaringClass());
foreach (FunctionModification modification, modifications) {
if (modification.isVirtualSlot())
return true;
}
return false;
}
bool AbstractMetaFunction::disabledGarbageCollection(const AbstractMetaClass *cls, int key) const
{
FunctionModificationList modifications = this->modifications(cls);
foreach (FunctionModification modification, modifications) {
QList<ArgumentModification> argument_modifications = modification.argument_mods;
foreach (ArgumentModification argument_modification, argument_modifications) {
if (argument_modification.index != key)
continue;
foreach (TypeSystem::Ownership ownership, argument_modification.ownerships.values()) {
if (ownership == TypeSystem::CppOwnership)
return true;
}
}
}
return false;
}
bool AbstractMetaFunction::isDeprecated() const
{
FunctionModificationList modifications = this->modifications(declaringClass());
foreach (FunctionModification modification, modifications) {
if (modification.isDeprecated())
return true;
}
return false;
}
TypeSystem::Ownership AbstractMetaFunction::ownership(const AbstractMetaClass *cls, TypeSystem::Language language, int key) const
{
FunctionModificationList modifications = this->modifications(cls);
foreach (FunctionModification modification, modifications) {
QList<ArgumentModification> argument_modifications = modification.argument_mods;
foreach (ArgumentModification argument_modification, argument_modifications) {
if (argument_modification.index == key)
return argument_modification.ownerships.value(language, TypeSystem::InvalidOwnership);
}
}
return TypeSystem::InvalidOwnership;
}
bool AbstractMetaFunction::isRemovedFromAllLanguages(const AbstractMetaClass *cls) const
{
return isRemovedFrom(cls, TypeSystem::All);
}
bool AbstractMetaFunction::isRemovedFrom(const AbstractMetaClass *cls, TypeSystem::Language language) const
{
FunctionModificationList modifications = this->modifications(cls);
foreach (FunctionModification modification, modifications) {
if ((modification.removal & language) == language)
return true;
}
return false;
}
QString AbstractMetaFunction::typeReplaced(int key) const
{
FunctionModificationList modifications = this->modifications(declaringClass());
foreach (FunctionModification modification, modifications) {
QList<ArgumentModification> argument_modifications = modification.argument_mods;
foreach (ArgumentModification argument_modification, argument_modifications) {
if (argument_modification.index == key
&& !argument_modification.modified_type.isEmpty()) {
return argument_modification.modified_type;
}
}
}
return QString();
}
QString AbstractMetaFunction::minimalSignature() const
{
if (!m_cached_minimal_signature.isEmpty())
return m_cached_minimal_signature;
QString minimalSignature = originalName() + "(";
AbstractMetaArgumentList arguments = this->arguments();
for (int i=0; i<arguments.count(); ++i) {
AbstractMetaType *t = arguments.at(i)->type();
if (i > 0)
minimalSignature += ",";
minimalSignature += t->minimalSignature();
}
minimalSignature += ")";
if (isConstant())
minimalSignature += "const";
minimalSignature = TypeSystem::normalizedSignature(minimalSignature.toLocal8Bit().constData());
m_cached_minimal_signature = minimalSignature;
return minimalSignature;
}
FunctionModificationList AbstractMetaFunction::modifications(const AbstractMetaClass *implementor) const
{
Q_ASSERT(implementor);
return implementor->typeEntry()->functionModifications(minimalSignature());
}
bool AbstractMetaFunction::hasModifications(const AbstractMetaClass *implementor) const
{
FunctionModificationList mods = modifications(implementor);
return mods.count() > 0;
}
QString AbstractMetaFunction::modifiedName() const
{
if (m_cached_modified_name.isEmpty()) {
FunctionModificationList mods = modifications(implementingClass());
foreach (FunctionModification mod, mods) {
if (mod.isRenameModifier()) {
m_cached_modified_name = mod.renamedToName;
break;
}
}
if (m_cached_modified_name.isEmpty())
m_cached_modified_name = name();
}
return m_cached_modified_name;
}
QString AbstractMetaFunction::targetLangSignature(bool minimal) const
{
QString s;
// Attributes...
if (!minimal) {
// Return type
if (type())
s += type()->name() + " ";
else
s += "void ";
}
s += modifiedName();
s += "(";
int j = 0;
for (int i=0; i<m_arguments.size(); ++i) {
if (argumentRemoved(i+1))
continue;
if (j != 0) {
s += ",";
if (!minimal)
s += QLatin1Char(' ');
}
s += m_arguments.at(i)->type()->name();
if (!minimal) {
s += " ";
s += m_arguments.at(i)->argumentName();
}
++j;
}
s += ")";
return s;
}
bool function_sorter(AbstractMetaFunction *a, AbstractMetaFunction *b)
{
return a->signature() < b->signature();
}
/*******************************************************************************
* AbstractMetaClass
*/
AbstractMetaClass::~AbstractMetaClass()
{
qDeleteAll(m_functions);
qDeleteAll(m_fields);
}
/*AbstractMetaClass *AbstractMetaClass::copy() const
{
AbstractMetaClass *cls = new AbstractMetaClass;
cls->setAttributes(attributes());
cls->setBaseClass(baseClass());
cls->setTypeEntry(typeEntry());
foreach (AbstractMetaFunction *function, functions()) {
AbstractMetaFunction *copy = function->copy();
function->setImplementingClass(cls);
cls->addFunction(copy);
}
cls->setEnums(enums());
foreach (const AbstractMetaField *field, fields()) {
AbstractMetaField *copy = field->copy();
copy->setEnclosingClass(cls);
cls->addField(copy);
}
cls->setInterfaces(interfaces());
return cls;
}*/
/*******************************************************************************
* Returns true if this class is a subclass of the given class
*/
bool AbstractMetaClass::inheritsFrom(const AbstractMetaClass *cls) const
{
Q_ASSERT(cls != 0);
const AbstractMetaClass *clazz = this;
while (clazz != 0) {
if (clazz == cls)
return true;
clazz = clazz->baseClass();
}
return false;
}
/*******************************************************************************
* Constructs an interface based on the functions and enums in this
* class and returns it...
*/
AbstractMetaClass *AbstractMetaClass::extractInterface()
{
Q_ASSERT(typeEntry()->designatedInterface());
if (m_extracted_interface == 0) {
AbstractMetaClass *iface = new AbstractMetaClass;
iface->setAttributes(attributes());
iface->setBaseClass(0);
iface->setPrimaryInterfaceImplementor(this);
iface->setTypeEntry(typeEntry()->designatedInterface());
foreach (AbstractMetaFunction *function, functions()) {
if (!function->isConstructor())
iface->addFunction(function->copy());
}
// iface->setEnums(enums());
// setEnums(AbstractMetaEnumList());
foreach (const AbstractMetaField *field, fields()) {
if (field->isPublic()) {
AbstractMetaField *new_field = field->copy();
new_field->setEnclosingClass(iface);
iface->addField(new_field);
}
}
m_extracted_interface = iface;
addInterface(iface);
}
return m_extracted_interface;
}
/*******************************************************************************
* Returns a list of all the functions with a given name
*/
AbstractMetaFunctionList AbstractMetaClass::queryFunctionsByName(const QString &name) const
{
AbstractMetaFunctionList returned;
AbstractMetaFunctionList functions = this->functions();
foreach (AbstractMetaFunction *function, functions) {
if (function->name() == name)
returned.append(function);
}
return returned;
}
QString AbstractMetaClass::getDefaultNonZeroFunction() const
{
foreach(const AbstractMetaFunction* fun, queryFunctionsByName("isEmpty")) {
if (fun->actualMinimumArgumentCount()==0 && fun->isPublic()) {
return "isEmpty";
}
}
foreach(const AbstractMetaFunction* fun, queryFunctionsByName("isValid")) {
if (fun->actualMinimumArgumentCount() == 0 && fun->isPublic()) {
return "isValid";
}
}
foreach(const AbstractMetaFunction* fun, queryFunctionsByName("isNull")) {
if (fun->actualMinimumArgumentCount() == 0 && fun->isPublic()) {
return "isNull";
}
}
return QString();
}
/*******************************************************************************
* Returns all reference count modifications for any function in the class
*/
QList<ReferenceCount> AbstractMetaClass::referenceCounts() const
{
QList<ReferenceCount> returned;
AbstractMetaFunctionList functions = this->functions();
foreach (AbstractMetaFunction *function, functions) {
returned += function->referenceCounts(this);
}
return returned;
}
/*******************************************************************************
* Returns a list of all the functions retrieved during parsing which should
* be added to the Java API.
*/
AbstractMetaFunctionList AbstractMetaClass::functionsInTargetLang() const
{
int default_flags = NormalFunctions | Visible | NotRemovedFromTargetLang;
// Interfaces don't implement functions
default_flags |= isInterface() ? 0 : ClassImplements;
// Only public functions in final classes
// default_flags |= isFinal() ? WasPublic : 0;
int public_flags = isFinal() ? WasPublic : 0;
// Constructors
AbstractMetaFunctionList returned = queryFunctions(Constructors | default_flags | public_flags);
// Final functions
returned += queryFunctions(FinalInTargetLangFunctions | NonStaticFunctions | default_flags | public_flags);
// Virtual functions
returned += queryFunctions(VirtualInTargetLangFunctions | NonStaticFunctions | default_flags | public_flags);
// Static functions
returned += queryFunctions(StaticFunctions | default_flags | public_flags);
// Empty, private functions, since they aren't caught by the other ones
returned += queryFunctions(Empty | Invisible);
return returned;
}
AbstractMetaFunctionList AbstractMetaClass::virtualFunctions() const
{
AbstractMetaFunctionList list = functionsInShellClass();
AbstractMetaFunctionList returned;
foreach (AbstractMetaFunction *f, list) {
if (!f->isFinalInCpp() || f->isVirtualSlot())
returned += f;
}
return returned;
}
AbstractMetaFunctionList AbstractMetaClass::nonVirtualShellFunctions() const
{
AbstractMetaFunctionList list = functionsInShellClass();
AbstractMetaFunctionList returned;
foreach (AbstractMetaFunction *f, list) {
if (f->isFinalInCpp() && !f->isVirtualSlot())
returned += f;
}
return returned;
}
/*******************************************************************************
* Returns a list of all functions that should be declared and implemented in
* the shell class which is generated as a wrapper on top of the actual C++ class
*/
AbstractMetaFunctionList AbstractMetaClass::functionsInShellClass() const
{
// Only functions and only protected and public functions
int default_flags = NormalFunctions | Visible | WasVisible | NotRemovedFromShell;
// All virtual functions
AbstractMetaFunctionList returned = queryFunctions(VirtualFunctions | default_flags);
// All functions explicitly set to be implemented by the shell class
// (mainly superclass functions that are hidden by other declarations)
returned += queryFunctions(ForcedShellFunctions | default_flags);
// All functions explicitly set to be virtual slots
returned += queryFunctions(VirtualSlots | default_flags);
return returned;
}
/*******************************************************************************
* Returns a list of all functions that require a public override function to
* be generated in the shell class. This includes all functions that were originally
* protected in the superclass.
*/
AbstractMetaFunctionList AbstractMetaClass::publicOverrideFunctions() const
{
return queryFunctions(NormalFunctions | WasProtected | FinalInCppFunctions | NotRemovedFromTargetLang)
+ queryFunctions(Signals | WasProtected | FinalInCppFunctions | NotRemovedFromTargetLang);
}
AbstractMetaFunctionList AbstractMetaClass::virtualOverrideFunctions() const
{
return queryFunctions(NormalFunctions | NonEmptyFunctions | Visible | VirtualInCppFunctions | NotRemovedFromShell) +
queryFunctions(Signals | NonEmptyFunctions | Visible | VirtualInCppFunctions | NotRemovedFromShell);
}
void AbstractMetaClass::sortFunctions()
{
qSort(m_functions.begin(), m_functions.end(), function_sorter);
}
void AbstractMetaClass::setFunctions(const AbstractMetaFunctionList &functions)
{
m_functions = functions;
// Functions must be sorted by name before next loop
sortFunctions();
QString currentName;
bool hasVirtuals = false;
AbstractMetaFunctionList final_functions;
foreach (AbstractMetaFunction *f, m_functions) {
f->setOwnerClass(this);
m_has_virtual_slots |= f->isVirtualSlot();
m_has_virtuals |= !f->isFinal() || f->isVirtualSlot();
m_has_nonpublic |= !f->isPublic();
// If we have non-virtual overloads of a virtual function, we have to implement
// all the overloads in the shell class to override the hiding rule
if (currentName == f->name()) {
hasVirtuals = hasVirtuals || !f->isFinal();
if (f->isFinal())
final_functions += f;
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