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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "scopetree.h"
#include <QtCore/qqueue.h>
#include <QtCore/qsharedpointer.h>
#include <algorithm>
ScopeTree::ScopeTree(ScopeType type, const ScopeTree::Ptr &parentScope)
: m_parentScope(parentScope), m_scopeType(type) {}
ScopeTree::Ptr ScopeTree::create(ScopeType type, const ScopeTree::Ptr &parentScope)
{
ScopeTree::Ptr childScope(new ScopeTree{type, parentScope});
if (parentScope) {
Q_ASSERT(type != ScopeType::QMLScope
|| !parentScope->m_parentScope
|| parentScope->parentScope()->m_scopeType == ScopeType::QMLScope
|| parentScope->parentScope()->m_internalName == QLatin1String("global"));
parentScope->m_childScopes.push_back(childScope);
}
return childScope;
}
void ScopeTree::insertJSIdentifier(const QString &name, const JavaScriptIdentifier &identifier)
{
Q_ASSERT(m_scopeType != ScopeType::QMLScope);
if (identifier.kind == JavaScriptIdentifier::LexicalScoped
|| identifier.kind == JavaScriptIdentifier::Injected
|| m_scopeType == ScopeType::JSFunctionScope) {
m_jsIdentifiers.insert(name, identifier);
} else {
auto targetScope = parentScope();
while (targetScope->m_scopeType != ScopeType::JSFunctionScope)
targetScope = targetScope->parentScope();
targetScope->m_jsIdentifiers.insert(name, identifier);
}
}
void ScopeTree::insertPropertyIdentifier(const MetaProperty &property)
{
addProperty(property);
MetaMethod method(property.propertyName() + QLatin1String("Changed"), QLatin1String("void"));
addMethod(method);
}
bool ScopeTree::isIdInCurrentScope(const QString &id) const
{
return isIdInCurrentQMlScopes(id) || isIdInCurrentJSScopes(id);
}
bool ScopeTree::isIdInCurrentQMlScopes(const QString &id) const
{
if (m_scopeType == ScopeType::QMLScope)
return m_properties.contains(id) || m_methods.contains(id) || m_enums.contains(id);
const auto qmlScope = findCurrentQMLScope(parentScope());
return qmlScope->m_properties.contains(id)
|| qmlScope->m_methods.contains(id)
|| qmlScope->m_enums.contains(id);
}
bool ScopeTree::isIdInCurrentJSScopes(const QString &id) const
{
if (m_scopeType != ScopeType::QMLScope && m_jsIdentifiers.contains(id))
return true;
for (auto jsScope = parentScope(); jsScope; jsScope = jsScope->parentScope()) {
if (jsScope->m_scopeType != ScopeType::QMLScope && jsScope->m_jsIdentifiers.contains(id))
return true;
}
return false;
}
bool ScopeTree::isIdInjectedFromSignal(const QString &id) const
{
const auto found = findJSIdentifier(id);
return found.has_value() && found->kind == JavaScriptIdentifier::Injected;
}
std::optional<JavaScriptIdentifier> ScopeTree::findJSIdentifier(const QString &id) const
{
for (const auto *scope = this; scope; scope = scope->parentScope().data()) {
if (scope->m_scopeType == ScopeType::JSFunctionScope
|| scope->m_scopeType == ScopeType::JSLexicalScope) {
auto it = scope->m_jsIdentifiers.find(id);
if (it != scope->m_jsIdentifiers.end())
return *it;
}
}
return std::optional<JavaScriptIdentifier>{};
}
void ScopeTree::resolveTypes(const QHash<QString, ScopeTree::ConstPtr> &contextualTypes)
{
auto findType = [&](const QString &name) {
auto type = contextualTypes.constFind(name);
if (type != contextualTypes.constEnd())
return *type;
return ScopeTree::ConstPtr();
};
m_baseType = findType(m_baseTypeName);
m_attachedType = findType(m_attachedTypeName);
for (auto it = m_properties.begin(), end = m_properties.end(); it != end; ++it)
it->setType(findType(it->typeName()));
for (auto it = m_methods.begin(), end = m_methods.end(); it != end; ++it) {
it->setReturnType(findType(it->returnTypeName()));
const auto paramNames = it->parameterTypeNames();
QList<ScopeTree::ConstPtr> paramTypes;
for (const QString ¶mName: paramNames)
paramTypes.append(findType(paramName));
it->setParameterTypes(paramTypes);
}
}
ScopeTree::ConstPtr ScopeTree::findCurrentQMLScope(const ScopeTree::ConstPtr &scope)
{
auto qmlScope = scope;
while (qmlScope && qmlScope->m_scopeType != ScopeType::QMLScope)
qmlScope = qmlScope->parentScope();
return qmlScope;
}
void ScopeTree::addExport(const QString &name, const QString &package, const QTypeRevision &version)
{
m_exports.append(Export(package, name, version, 0));
}
void ScopeTree::setExportMetaObjectRevision(int exportIndex, int metaObjectRevision)
{
m_exports[exportIndex].setMetaObjectRevision(metaObjectRevision);
}
ScopeTree::Export::Export(QString package, QString type, const QTypeRevision &version,
int metaObjectRevision) :
m_package(std::move(package)),
m_type(std::move(type)),
m_version(version),
m_metaObjectRevision(metaObjectRevision)
{
}
bool ScopeTree::Export::isValid() const
{
return m_version.isValid() || !m_package.isEmpty() || !m_type.isEmpty();
}
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