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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "qqmljsregistercontent_p.h"
QT_BEGIN_NAMESPACE
using namespace Qt::StringLiterals;
QQmlJSRegisterContent::QQmlJSRegisterContent() = default;
QString QQmlJSRegisterContent::descriptiveName() const
{
if (m_storedType.isNull() && containedType().isNull())
return u"(invalid type)"_s;
const auto scope = [this]() -> QString {
if (m_scope.isNull())
return u"(invalid type)::"_s;
const QQmlJSScope::ConstPtr scopeContained = m_scope->containedType();
if (scopeContained.isNull())
return u"(invalid type)::"_s;
return (scopeContained->internalName().isEmpty()
? (scopeContained->filePath().isEmpty()
? u"??"_s
: (u"(component in "_s + scopeContained->filePath() + u")"_s))
: scopeContained->internalName())
+ u"::"_s;
};
QString result;
switch (Kind(m_content.index())) {
case Kind::Type: {
const QQmlJSScope::ConstPtr contained = type();
result += contained->internalName();
if (m_storedType && m_storedType->internalName() != contained->internalName())
result += u" stored as "_s + m_storedType->internalName();
return result;
}
case Kind::Property: {
const QQmlJSMetaProperty prop = property();
result += scope() + prop.propertyName() + u" with type "_s + prop.typeName();
if (m_storedType && m_storedType->internalName() != prop.typeName())
result += u" (stored as "_s + m_storedType->internalName() + u")";
return result;
}
case Kind::Method: {
const auto methods = method();
if (methods.isEmpty())
result = scope() + u"(unknown method)"_s;
else
result = scope() + methods[0].methodName() + u"(...)"_s;
if (m_storedType)
return result + u" (stored as "_s + m_storedType->internalName() + u")";
return result;
}
case Kind::Enum: {
const QString enumName = enumeration().name();
const QString memberName = enumMember();
if (memberName.isEmpty())
result = scope() + enumName;
else
result = scope() + enumName + u"::"_s + memberName;
if (m_storedType)
return result + u" (stored as "_s + m_storedType->internalName() + u")";
return result;
}
case Kind::ImportNamespace: {
return u"import namespace %1"_s.arg(importNamespace());
}
case Kind::Conversion: {
return u"conversion to %1"_s.arg(conversionResult()->internalName());
}
case Kind::MethodCall: {
const QQmlJSMetaMethod &method = std::get<QQmlJSMetaMethod>(m_content);
return u"call to method %1, returning %2"_s.arg(
method.methodName(), method.returnTypeName());
}
}
Q_UNREACHABLE_RETURN(result + u"wat?"_s);
}
QString QQmlJSRegisterContent::containedTypeName() const
{
QQmlJSScope::ConstPtr type;
switch (variant()) {
case QQmlJSRegisterContent::MetaType:
type = scopeType().containedType();
break;
default:
type = containedType();
break;
}
return QQmlJSScope::prettyName(
type->internalName().isEmpty() ? type->baseTypeName() : type->internalName());
}
bool QQmlJSRegisterContent::isList() const
{
switch (Kind(m_content.index())) {
case Kind::Type:
return std::get<std::pair<QQmlJSScope::ConstPtr, int>>(m_content).first->accessSemantics()
== QQmlJSScope::AccessSemantics::Sequence;
case Kind::Property:
return std::get<PropertyLookup>(m_content).property.type()->accessSemantics()
== QQmlJSScope::AccessSemantics::Sequence;
case Kind::Conversion:
return std::get<ConvertedTypes>(m_content).result->accessSemantics()
== QQmlJSScope::AccessSemantics::Sequence;
case Kind::MethodCall:
return std::get<QQmlJSMetaMethod>(m_content).returnType()->accessSemantics()
== QQmlJSScope::AccessSemantics::Sequence;
default:
return false;
}
}
bool QQmlJSRegisterContent::isWritable() const
{
switch (Kind(m_content.index())) {
case Kind::Property:
return std::get<PropertyLookup>(m_content).property.isWritable();
// TODO: What can we actually write?
default:
break;
}
return true;
}
/*!
* \internal
* Precondition: This is an attachment.
* Return the type that does the attaching.
*/
QQmlJSRegisterContent QQmlJSRegisterContent::attacher() const
{
Q_ASSERT(m_variant == Attachment);
return scopeType();
}
/*!
* \internal
* Precondition: This is an attachment.
* Return the type of the object the attachment is attached to.
*/
QQmlJSRegisterContent QQmlJSRegisterContent::attachee() const
{
Q_ASSERT(m_variant == Attachment);
QQmlJSRegisterContent attachee = attacher().scopeType();
while (attachee.variant() == ModulePrefix)
attachee = attachee.scopeType();
return attachee;
}
QQmlJSScope::ConstPtr QQmlJSRegisterContent::containedType() const
{
if (isType())
return type();
if (isProperty())
return std::get<PropertyLookup>(m_content).property.type();
if (isEnumeration())
return std::get<std::pair<QQmlJSMetaEnum, QString>>(m_content).first.type();
if (isMethod())
return methodType();
if (isImportNamespace())
return importNamespaceType();
if (isConversion())
return conversionResult();
if (isMethodCall())
return std::get<QQmlJSMetaMethod>(m_content).returnType();
Q_UNREACHABLE_RETURN({});
}
QQmlJSRegisterContent QQmlJSRegisterContent::create(
const QQmlJSScope::ConstPtr &type, int resultLookupIndex,
QQmlJSRegisterContent::ContentVariant variant, const QQmlJSRegisterContent &scope)
{
QQmlJSRegisterContent result(scope, variant);
result.m_content = std::make_pair(type, resultLookupIndex);
return result;
}
QQmlJSRegisterContent QQmlJSRegisterContent::create(
const QQmlJSMetaProperty &property, int baseLookupIndex, int resultLookupIndex,
QQmlJSRegisterContent::ContentVariant variant, const QQmlJSRegisterContent &scope)
{
QQmlJSRegisterContent result(scope, variant);
result.m_content = PropertyLookup { property, baseLookupIndex, resultLookupIndex};
return result;
}
QQmlJSRegisterContent QQmlJSRegisterContent::create(
const QQmlJSMetaEnum &enumeration, const QString &enumMember,
QQmlJSRegisterContent::ContentVariant variant, const QQmlJSRegisterContent &scope)
{
QQmlJSRegisterContent result(scope, variant);
result.m_content = std::make_pair(enumeration, enumMember);
return result;
}
QQmlJSRegisterContent QQmlJSRegisterContent::create(
const QList<QQmlJSMetaMethod> &methods, const QQmlJSScope::ConstPtr &methodType,
QQmlJSRegisterContent::ContentVariant variant, const QQmlJSRegisterContent &scope)
{
// Methods can only be stored in QJSValue.
Q_ASSERT(methodType->internalName() == u"QJSValue"_s);
QQmlJSRegisterContent result(scope, variant);
result.m_content = std::make_pair(methods, methodType);
return result;
}
QQmlJSRegisterContent QQmlJSRegisterContent::create(
const QQmlJSMetaMethod &method, const QQmlJSScope::ConstPtr &returnType,
const QQmlJSRegisterContent &scope)
{
QQmlJSRegisterContent result(scope, MethodCall);
QQmlJSMetaMethod resultMethod = method;
resultMethod.setReturnType({ returnType });
resultMethod.setReturnTypeName(returnType->internalName());
result.m_content = std::move(resultMethod);
return result;
}
QQmlJSRegisterContent QQmlJSRegisterContent::create(
uint importNamespaceStringId, const QQmlJSScope::ConstPtr &importNamespaceType,
QQmlJSRegisterContent::ContentVariant variant, const QQmlJSRegisterContent &scope)
{
QQmlJSRegisterContent result(scope, variant);
result.m_content = std::make_pair(importNamespaceStringId, importNamespaceType);
return result;
}
QQmlJSRegisterContent QQmlJSRegisterContent::create(
const QList<QQmlJSRegisterContent> &origins, const QQmlJSScope::ConstPtr &conversion,
const QQmlJSRegisterContent &conversionScope, ContentVariant variant,
const QQmlJSRegisterContent &scope)
{
QQmlJSRegisterContent result(scope, variant);
result.m_content = ConvertedTypes {
origins,
conversion,
QSharedPointer<QQmlJSRegisterContent>::create(conversionScope)
};
return result;
}
QT_END_NAMESPACE
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