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abstractmetalang.cpp
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/*
* This file is part of the API Extractor project.
*
* Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
*
* Contact: PySide team <[email protected]>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#include "abstractmetalang.h"
#include "reporthandler.h"
#include "typedatabase.h"
/*******************************************************************************
* AbstractMetaVariable
*/
AbstractMetaVariable::AbstractMetaVariable(const AbstractMetaVariable &other)
{
m_originalName = other.m_originalName;
m_name = other.m_name;
m_type = other.m_type->copy();
m_hasName = other.m_hasName;
m_doc = other.m_doc;
}
/*******************************************************************************
* AbstractMetaType
*/
AbstractMetaType::AbstractMetaType()
:m_typeEntry(0),
m_arrayElementCount(0),
m_arrayElementType(0),
m_originalTemplateType(0),
m_pattern(InvalidPattern),
m_constant(false),
m_reference(false),
m_cppInstantiation(true),
m_indirections(0),
m_reserved(0)
{
}
AbstractMetaType::~AbstractMetaType()
{
qDeleteAll(m_children);
m_instantiations.clear();
}
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
{
if (m_cachedCppSignature.isEmpty()) {
if (isConstant())
m_cachedCppSignature += "const ";
m_cachedCppSignature += typeEntry()->qualifiedCppName();
if (hasInstantiationInCpp()) {
AbstractMetaTypeList types = instantiations();
m_cachedCppSignature += "<";
for (int i = 0; i < types.count(); ++i) {
if (i > 0)
m_cachedCppSignature += ", ";
m_cachedCppSignature += types[i]->cppSignature();
}
m_cachedCppSignature += " >";
}
if (actualIndirections()) {
m_cachedCppSignature += ' ';
if (indirections())
m_cachedCppSignature += QString(indirections(), '*');
if (isReference())
m_cachedCppSignature += '&';
}
}
return m_cachedCppSignature;
}
void AbstractMetaType::decideUsagePattern()
{
const TypeEntry* type = typeEntry();
if (type->isPrimitive() && (!actualIndirections()
|| (isConstant() && isReference() && !indirections()))) {
setTypeUsagePattern(AbstractMetaType::PrimitivePattern);
} else if (type->isVoid()) {
setTypeUsagePattern(AbstractMetaType::NativePointerPattern);
} else if (type->isVarargs()) {
setTypeUsagePattern(AbstractMetaType::VarargsPattern);
} else if (type->isString()
&& indirections() == 0
&& (isConstant() == isReference()
|| isConstant())) {
setTypeUsagePattern(AbstractMetaType::StringPattern);
} else if (type->isChar()
&& !indirections()
&& isConstant() == isReference()) {
setTypeUsagePattern(AbstractMetaType::CharPattern);
} else if (type->isJObjectWrapper()
&& !indirections()
&& isConstant() == isReference()) {
setTypeUsagePattern(AbstractMetaType::JObjectWrapperPattern);
} else if (type->isVariant()
&& !indirections()
&& isConstant() == isReference()) {
setTypeUsagePattern(AbstractMetaType::VariantPattern);
} else if (type->isEnum() && !actualIndirections()) {
setTypeUsagePattern(AbstractMetaType::EnumPattern);
} else if (type->isObject() && indirections() == 0) {
if (isReference()) {
if (((ComplexTypeEntry*) type)->isQObject())
setTypeUsagePattern(AbstractMetaType::QObjectPattern);
else
setTypeUsagePattern(AbstractMetaType::ObjectPattern);
} else {
setTypeUsagePattern(AbstractMetaType::ValuePattern);
}
} else if (type->isObject()
&& indirections() == 1) {
if (((ComplexTypeEntry*) type)->isQObject())
setTypeUsagePattern(AbstractMetaType::QObjectPattern);
else
setTypeUsagePattern(AbstractMetaType::ObjectPattern);
// const-references to pointers can be passed as pointers
if (isReference() && isConstant()) {
setReference(false);
setConstant(false);
}
} else if (type->isContainer() && !indirections()) {
setTypeUsagePattern(AbstractMetaType::ContainerPattern);
} else if (type->isTemplateArgument()) {
} else if (type->isFlags()
&& !indirections()
&& (isConstant() == isReference())) {
setTypeUsagePattern(AbstractMetaType::FlagsPattern);
} else if (type->isArray()) {
setTypeUsagePattern(AbstractMetaType::ArrayPattern);
} else if (type->isThread()) {
Q_ASSERT(indirections() == 1);
setTypeUsagePattern(AbstractMetaType::ThreadPattern);
} else if (type->isValue()) {
if (indirections() == 1) {
setTypeUsagePattern(AbstractMetaType::ValuePointerPattern);
} else {
setTypeUsagePattern(AbstractMetaType::ValuePattern);
}
} else {
setTypeUsagePattern(AbstractMetaType::NativePointerPattern);
ReportHandler::debugFull(QString("native pointer pattern for '%1'")
.arg(cppSignature()));
}
}
/*******************************************************************************
* AbstractMetaArgument
*/
AbstractMetaArgument *AbstractMetaArgument::copy() const
{
return new AbstractMetaArgument(*this);
}
/*******************************************************************************
* 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)
result |= EqualName;
// compare name after modification...
cmp = modifiedName().compare(other->modifiedName());
if (!cmp)
result |= EqualModifiedName;
// Compare arguments...
AbstractMetaArgumentList minArguments;
AbstractMetaArgumentList maxArguments;
if (arguments().size() < other->arguments().size()) {
minArguments = arguments();
maxArguments = other->arguments();
} else {
minArguments = other->arguments();
maxArguments = arguments();
}
int minCount = minArguments.size();
int maxCount = maxArguments.size();
bool same = true;
for (int i = 0; i < maxCount; ++i) {
if (i < minCount) {
const AbstractMetaArgument *min_arg = minArguments.at(i);
const AbstractMetaArgument *max_arg = maxArguments.at(i);
if (min_arg->type()->name() != max_arg->type()->name()
&& (min_arg->defaultValueExpression().isEmpty() || max_arg->defaultValueExpression().isEmpty())) {
same = false;
break;
}
} else {
if (maxArguments.at(i)->defaultValueExpression().isEmpty()) {
same = false;
break;
}
}
}
if (same)
result |= minCount == maxCount ? 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->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() << TypeDatabase::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
{
if (m_cachedSignature.isEmpty()) {
m_cachedSignature = m_originalName;
m_cachedSignature += '(';
for (int i = 0; i < m_arguments.count(); ++i) {
if (i > 0)
m_cachedSignature += ", ";
AbstractMetaArgument *a = m_arguments.at(i);
m_cachedSignature += a->type()->cppSignature();
// We need to have the argument names in the qdoc files
m_cachedSignature += ' ';
m_cachedSignature += a->name();
}
m_cachedSignature += ")";
if (isConstant())
m_cachedSignature += " const";
}
return m_cachedSignature;
}
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> argumentMods = mod.argument_mods;
foreach (ArgumentModification argumentMod, argumentMods) {
if (argumentMod.index != idx && idx != -2)
continue;
returned += argumentMod.referenceCounts;
}
}
return returned;
}
ArgumentOwner AbstractMetaFunction::argumentOwner(const AbstractMetaClass *cls, int idx) const
{
FunctionModificationList mods = this->modifications(cls);
foreach (FunctionModification mod, mods) {
QList<ArgumentModification> argumentMods = mod.argument_mods;
foreach (ArgumentModification argumentMod, argumentMods) {
if (argumentMod.index != idx)
continue;
return argumentMod.owner;
}
}
return ArgumentOwner();
}
QString AbstractMetaFunction::replacedDefaultExpression(const AbstractMetaClass *cls, int key) const
{
FunctionModificationList modifications = this->modifications(cls);
foreach (FunctionModification modification, modifications) {
QList<ArgumentModification> argumentModifications = modification.argument_mods;
foreach (ArgumentModification argumentModification, argumentModifications) {
if (argumentModification.index == key
&& !argumentModification.replacedDefaultExpression.isEmpty()) {
return argumentModification.replacedDefaultExpression;
}
}
}
return QString();
}
bool AbstractMetaFunction::removedDefaultExpression(const AbstractMetaClass *cls, int key) const
{
FunctionModificationList modifications = this->modifications(cls);
foreach (FunctionModification modification, modifications) {
QList<ArgumentModification> argumentModifications = modification.argument_mods;
foreach (ArgumentModification argumentModification, argumentModifications) {
if (argumentModification.index == key
&& argumentModification.removedDefaultExpression) {
return true;
}
}
}
return false;
}
bool AbstractMetaFunction::resetObjectAfterUse(int argumentIdx) 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 == argumentIdx && argumentModification.resetAfterUse)
return true;
}
}
return false;
}
QString AbstractMetaFunction::nullPointerDefaultValue(const AbstractMetaClass *mainClass, int argumentIdx) const
{
Q_ASSERT(nullPointersDisabled(mainClass, argumentIdx));
const AbstractMetaClass *cls = mainClass;
if (!cls)
cls = implementingClass();
do {
FunctionModificationList modifications = this->modifications(cls);
foreach (FunctionModification modification, modifications) {
QList<ArgumentModification> argumentModifications = modification.argument_mods;
foreach (ArgumentModification argumentModification, argumentModifications) {
if (argumentModification.index == argumentIdx
&& argumentModification.noNullPointers) {
return argumentModification.nullPointerDefaultValue;
}
}
}
cls = cls->baseClass();
} while (cls && !mainClass); // Once when mainClass, or once for all base classes of implementing class
return QString();
}
bool AbstractMetaFunction::nullPointersDisabled(const AbstractMetaClass *mainClass, int argumentIdx) const
{
const AbstractMetaClass *cls = mainClass;
if (!cls)
cls = implementingClass();
do {
FunctionModificationList modifications = this->modifications(cls);
foreach (FunctionModification modification, modifications) {
QList<ArgumentModification> argumentModifications = modification.argument_mods;
foreach (ArgumentModification argumentModification, argumentModifications) {
if (argumentModification.index == argumentIdx
&& argumentModification.noNullPointers) {
return true;
}
}
}
cls = cls->baseClass();
} while (cls && !mainClass); // Once when mainClass, 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> argumentModifications = modification.argument_mods;
foreach (ArgumentModification argumentModification, argumentModifications) {
if (argumentModification.index != key)
continue;
foreach (CodeSnip snip, argumentModification.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>& argumentModifications = modification.argument_mods;
foreach (ArgumentModification argumentModification, argumentModifications) {
if (argumentModification.index == key && !argumentModification.replace_value.isEmpty())
return argumentModification.replace_value;
}
}
return "";
}
// FIXME If we remove a arg. in the method at the base class, it will not reflect here.
bool AbstractMetaFunction::argumentRemoved(int key) const
{
FunctionModificationList modifications = this->modifications(declaringClass());
foreach (FunctionModification modification, modifications) {
QList<ArgumentModification> argumentModifications = modification.argument_mods;
foreach (ArgumentModification argumentModification, argumentModifications) {
if (argumentModification.index == key) {
if (argumentModification.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> argumentModifications = modification.argument_mods;
foreach (ArgumentModification argumentModification, argumentModifications) {
if (argumentModification.index != key)
continue;
foreach (TypeSystem::Ownership ownership, argumentModification.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;
}
bool AbstractMetaFunction::isThread() const
{
FunctionModificationList modifications = this->modifications(declaringClass());
foreach (FunctionModification modification, modifications) {
if (modification.isThread())
return true;
}
return false;
}
bool AbstractMetaFunction::allowThread() const
{
FunctionModificationList modifications = this->modifications(declaringClass());
foreach (FunctionModification modification, modifications) {
if (modification.allowThread())
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> argumentModifications = modification.argument_mods;
foreach (ArgumentModification argumentModification, argumentModifications) {
if (argumentModification.index == key)
return argumentModification.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> argumentModifications = modification.argument_mods;
foreach (ArgumentModification argumentModification, argumentModifications) {
if (argumentModification.index == key
&& !argumentModification.modified_type.isEmpty()) {
return argumentModification.modified_type;
}
}
}
return QString();
}
QString AbstractMetaFunction::minimalSignature() const
{
if (!m_cachedMinimalSignature.isEmpty())
return m_cachedMinimalSignature;
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 = TypeDatabase::normalizedSignature(minimalSignature.toLocal8Bit().constData());
m_cachedMinimalSignature = minimalSignature;
return minimalSignature;
}
FunctionModificationList AbstractMetaFunction::modifications(const AbstractMetaClass* implementor) const
{
if (!implementor)
implementor = ownerClass();
if (!implementor)
return TypeDatabase::instance()->functionModifications(minimalSignature());
FunctionModificationList mods;
while (implementor) {
mods += implementor->typeEntry()->functionModifications(minimalSignature());
if ((implementor == implementor->baseClass()) ||
(implementor == implementingClass() && (mods.size() > 0)))
break;
foreach (const AbstractMetaClass* interface, implementor->interfaces()) {
mods += this->modifications(interface);
}
implementor = implementor->baseClass();
}
return mods;
}
bool AbstractMetaFunction::hasModifications(const AbstractMetaClass *implementor) const
{
return !modifications(implementor).isEmpty();
}
QString AbstractMetaFunction::argumentName(int index, bool create, const AbstractMetaClass *implementor) const
{
return m_arguments[--index]->name();
}
bool AbstractMetaFunction::isCallOperator() const
{
return m_name == "operator()";
}
bool AbstractMetaFunction::hasInjectedCode() const
{
foreach (const FunctionModification mod, modifications(ownerClass())) {
if (mod.isCodeInjection())
return true;
}
return false;
}
CodeSnipList AbstractMetaFunction::injectedCodeSnips(CodeSnip::Position position, TypeSystem::Language language) const
{
CodeSnipList result;
foreach (const FunctionModification mod, modifications(ownerClass())) {
if (mod.isCodeInjection()) {
QList<CodeSnip>::const_iterator it = mod.snips.constBegin();
for (;it != mod.snips.constEnd(); ++it) {
if ((it->language & language) && (it->position == position || position == CodeSnip::Any))
result << *it;
}
}
}
return result;
}
bool AbstractMetaFunction::hasSignatureModifications() const
{
foreach (const FunctionModification mod, modifications()) {
if (mod.isRenameModifier())
return true;
foreach (const ArgumentModification argmod, mod.argument_mods) {
// since zero represents the return type and we're
// interested only in checking the function arguments,
// it will be ignored.
if (argmod.index > 0)
return true;
}
}
return false;
}
bool AbstractMetaFunction::isConversionOperator(QString funcName)
{
static QRegExp opRegEx("^operator(?:\\s+(?:const|volatile))?\\s+(\\w+\\s*)&?$");
return opRegEx.indexIn(funcName) > -1;
}
bool AbstractMetaFunction::isOperatorOverload(QString funcName)
{
if (isConversionOperator(funcName))
return true;
static QRegExp opRegEx("^operator([+\\-\\*/%=&\\|\\^\\<>!][=]?"
"|\\+\\+|\\-\\-|&&|\\|\\||<<[=]?|>>[=]?|~"
"|\\[\\]|\\s+delete\\[?\\]?"
"|\\(\\)"
"|\\s+new\\[?\\]?)$");
return opRegEx.indexIn(funcName) > -1;
}
bool AbstractMetaFunction::isCastOperator() const
{
return originalName().startsWith("operator ");
}
bool AbstractMetaFunction::isArithmeticOperator() const
{
if (!isOperatorOverload())
return false;
QString name = originalName();
// It's a dereference operator!
if (name == "operator*" && m_arguments.isEmpty())
return false;
return name == "operator+" || name == "operator+="
|| name == "operator-" || name == "operator-="
|| name == "operator*" || name == "operator*="
|| name == "operator/" || name == "operator/="
|| name == "operator%" || name == "operator%="
|| name == "operator++" || name == "operator--";
}
bool AbstractMetaFunction::isBitwiseOperator() const
{
if (!isOperatorOverload())
return false;
QString name = originalName();
return name == "operator<<" || name == "operator<<="
|| name == "operator>>" || name == "operator>>="
|| name == "operator&" || name == "operator&="
|| name == "operator|" || name == "operator|="
|| name == "operator^" || name == "operator^="
|| name == "operator~";
}
bool AbstractMetaFunction::isComparisonOperator() const
{
if (!isOperatorOverload())
return false;
QString name = originalName();
return name == "operator<" || name == "operator<="
|| name == "operator>" || name == "operator>="
|| name == "operator==" || name == "operator!=";
}
bool AbstractMetaFunction::isLogicalOperator() const
{
if (!isOperatorOverload())
return false;
QString name = originalName();
return name == "operator!"
|| name == "operator&&"
|| name == "operator||";
}
bool AbstractMetaFunction::isSubscriptOperator() const
{
if (!isOperatorOverload())
return false;
return originalName() == "operator[]";
}
bool AbstractMetaFunction::isAssignmentOperator() const
{
if (!isOperatorOverload())
return false;
return originalName() == "operator=";
}
bool AbstractMetaFunction::isOtherOperator() const
{
if (!isOperatorOverload())
return false;
return !isArithmeticOperator()
&& !isBitwiseOperator()
&& !isComparisonOperator()
&& !isLogicalOperator()
&& !isConversionOperator()
&& !isSubscriptOperator()
&& !isAssignmentOperator();
}
int AbstractMetaFunction::arityOfOperator() const
{
if (!isOperatorOverload() || isCallOperator())
return -1;
int arity = m_arguments.size();
// Operator overloads that are class members
// implicitly includes the instance and have
// one parameter less than their arity,
// so we increment it.
if (ownerClass() && arity < 2)
arity++;
return arity;
}
bool AbstractMetaFunction::isInplaceOperator() const
{
if (!isOperatorOverload())
return false;
QString name = originalName();
return name == "operator+=" || name == "operator&="
|| name == "operator-=" || name == "operator|="
|| name == "operator*=" || name == "operator^="
|| name == "operator/=" || name == "operator<<="
|| name == "operator%=" || name == "operator>>=";
}
bool AbstractMetaFunction::isVirtual() const
{
return !isFinal() && !isSignal() && !isStatic() && !isFinalInCpp() && !isConstructor();
}
bool AbstractMetaFunction::isCopyConstructor() const
{
if (!ownerClass() || !isConstructor() || arguments().count() != 1)
return false;
const AbstractMetaType* type = arguments().first()->type();
return type->typeEntry() == ownerClass()->typeEntry() &&
type->isConstant() && type->isReference();