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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
#ifndef QQMLJSTYPERESOLVER_P_H
#define QQMLJSTYPERESOLVER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#include <private/qtqmlcompilerexports_p.h>
#include <private/qqmlirbuilder_p.h>
#include <private/qqmljsast_p.h>
#include "qqmljsimporter_p.h"
#include "qqmljslogger_p.h"
#include "qqmljsregistercontent_p.h"
#include "qqmljsscope_p.h"
#include "qqmljsscopesbyid_p.h"
QT_BEGIN_NAMESPACE
class QQmlJSImportVisitor;
class Q_QMLCOMPILER_PRIVATE_EXPORT QQmlJSTypeResolver
{
public:
enum ParentMode { UseDocumentParent, UseParentProperty };
enum CloneMode { CloneTypes, DoNotCloneTypes };
enum ListMode { UseListProperty, UseQObjectList };
QQmlJSTypeResolver(QQmlJSImporter *importer);
// Note: must be called after the construction to read the QML program
void init(QQmlJSImportVisitor *visitor, QQmlJS::AST::Node *program);
QQmlJSScope::ConstPtr voidType() const { return m_voidType; }
QQmlJSScope::ConstPtr emptyType() const { return m_emptyType; }
QQmlJSScope::ConstPtr emptyListType() const { return m_emptyListType; }
QQmlJSScope::ConstPtr nullType() const { return m_nullType; }
QQmlJSScope::ConstPtr realType() const { return m_realType; }
QQmlJSScope::ConstPtr floatType() const { return m_floatType; }
QQmlJSScope::ConstPtr intType() const { return m_intType; }
QQmlJSScope::ConstPtr uintType() const { return m_uintType; }
QQmlJSScope::ConstPtr boolType() const { return m_boolType; }
QQmlJSScope::ConstPtr stringType() const { return m_stringType; }
QQmlJSScope::ConstPtr stringListType() const { return m_stringListType; }
QQmlJSScope::ConstPtr byteArrayType() const { return m_byteArrayType; }
QQmlJSScope::ConstPtr urlType() const { return m_urlType; }
QQmlJSScope::ConstPtr dateTimeType() const { return m_dateTimeType; }
QQmlJSScope::ConstPtr dateType() const { return m_dateType; }
QQmlJSScope::ConstPtr timeType() const { return m_timeType; }
QQmlJSScope::ConstPtr variantListType() const { return m_variantListType; }
QQmlJSScope::ConstPtr varType() const { return m_varType; }
QQmlJSScope::ConstPtr jsValueType() const { return m_jsValueType; }
QQmlJSScope::ConstPtr jsPrimitiveType() const { return m_jsPrimitiveType; }
QQmlJSScope::ConstPtr listPropertyType() const { return m_listPropertyType; }
QQmlJSScope::ConstPtr metaObjectType() const { return m_metaObjectType; }
QQmlJSScope::ConstPtr functionType() const { return m_functionType; }
QQmlJSScope::ConstPtr jsGlobalObject() const { return m_jsGlobalObject; }
QQmlJSScope::ConstPtr qObjectListType() const { return m_qObjectListType; }
QQmlJSScope::ConstPtr scopeForLocation(const QV4::CompiledData::Location &location) const;
QQmlJSScope::ConstPtr scopeForId(
const QString &id, const QQmlJSScope::ConstPtr &referrer) const;
bool isPrefix(const QString &name) const
{
return m_imports.hasType(name) && !m_imports.type(name).scope;
}
QQmlJSScope::ConstPtr typeForName(const QString &name) const
{
return m_imports.type(name).scope;
}
QQmlJSScope::ConstPtr typeFromAST(QQmlJS::AST::Type *type) const;
QQmlJSScope::ConstPtr typeForConst(QV4::ReturnedValue rv) const;
QQmlJSRegisterContent typeForBinaryOperation(QSOperator::Op oper,
const QQmlJSRegisterContent &left,
const QQmlJSRegisterContent &right) const;
enum class UnaryOperator { Not, Plus, Minus, Increment, Decrement, Complement };
QQmlJSRegisterContent typeForArithmeticUnaryOperation(
UnaryOperator op, const QQmlJSRegisterContent &operand) const;
bool isPrimitive(const QQmlJSRegisterContent &type) const;
bool isNumeric(const QQmlJSRegisterContent &type) const;
bool isIntegral(const QQmlJSRegisterContent &type) const;
bool canConvertFromTo(const QQmlJSScope::ConstPtr &from, const QQmlJSScope::ConstPtr &to) const;
bool canConvertFromTo(const QQmlJSRegisterContent &from, const QQmlJSRegisterContent &to) const;
QQmlJSRegisterContent merge(const QQmlJSRegisterContent &a,
const QQmlJSRegisterContent &b) const;
enum class ComponentIsGeneric { No, Yes };
QQmlJSScope::ConstPtr
genericType(const QQmlJSScope::ConstPtr &type,
ComponentIsGeneric allowComponent = ComponentIsGeneric::No) const;
QQmlJSRegisterContent builtinType(const QQmlJSScope::ConstPtr &type) const;
QQmlJSRegisterContent globalType(const QQmlJSScope::ConstPtr &type) const;
QQmlJSRegisterContent scopedType(const QQmlJSScope::ConstPtr &scope, const QString &name) const;
QQmlJSRegisterContent memberType(const QQmlJSRegisterContent &type, const QString &name) const;
QQmlJSRegisterContent valueType(const QQmlJSRegisterContent &list) const;
QQmlJSRegisterContent returnType(
const QQmlJSScope::ConstPtr &type, QQmlJSRegisterContent::ContentVariant variant,
const QQmlJSScope::ConstPtr &scope) const;
bool registerIsStoredIn(const QQmlJSRegisterContent ®,
const QQmlJSScope::ConstPtr &type) const;
bool registerContains(const QQmlJSRegisterContent ®,
const QQmlJSScope::ConstPtr &type) const;
QQmlJSScope::ConstPtr containedType(const QQmlJSRegisterContent &container) const;
QString containedTypeName(const QQmlJSRegisterContent &container,
bool useFancyName = false) const;
QQmlJSRegisterContent tracked(const QQmlJSRegisterContent &type) const;
QQmlJSRegisterContent original(const QQmlJSRegisterContent &type) const;
QQmlJSScope::ConstPtr trackedContainedType(const QQmlJSRegisterContent &container) const;
QQmlJSScope::ConstPtr originalContainedType(const QQmlJSRegisterContent &container) const;
void adjustTrackedType(const QQmlJSScope::ConstPtr &tracked,
const QQmlJSScope::ConstPtr &conversion) const;
void adjustTrackedType(const QQmlJSScope::ConstPtr &tracked,
const QList<QQmlJSScope::ConstPtr> &conversions) const;
void generalizeType(const QQmlJSScope::ConstPtr &type) const;
void setParentMode(ParentMode mode) { m_parentMode = mode; }
ParentMode parentMode() const { return m_parentMode; }
void setCloneMode(CloneMode mode) { m_cloneMode = mode; }
bool cloneMode() const { return m_cloneMode; }
QQmlJSScope::ConstPtr storedType(const QQmlJSScope::ConstPtr &type) const;
QQmlJSScope::ConstPtr originalType(const QQmlJSScope::ConstPtr &type) const;
QQmlJSScope::ConstPtr trackedType(const QQmlJSScope::ConstPtr &type) const;
QQmlJSScope::ConstPtr comparableType(const QQmlJSScope::ConstPtr &type) const;
const QQmlJSScopesById &objectsById() const { return m_objectsById; }
bool canCallJSFunctions() const { return m_objectsById.signaturesAreEnforced(); }
bool canUseValueTypes() const { return m_objectsById.valueTypesAreCopied(); }
const QHash<QQmlJS::SourceLocation, QQmlJSMetaSignalHandler> &signalHandlers() const
{
return m_signalHandlers;
}
bool equals(const QQmlJSScope::ConstPtr &a, const QQmlJSScope::ConstPtr &b) const;
QQmlJSRegisterContent convert(
const QQmlJSRegisterContent &from, const QQmlJSRegisterContent &to) const;
QQmlJSScope::ConstPtr merge(const QQmlJSScope::ConstPtr &a,
const QQmlJSScope::ConstPtr &b) const;
bool canHoldUndefined(const QQmlJSRegisterContent &content) const;
bool isNumeric(const QQmlJSScope::ConstPtr &type) const;
protected:
QQmlJSRegisterContent memberType(const QQmlJSScope::ConstPtr &type, const QString &name) const;
QQmlJSRegisterContent memberEnumType(const QQmlJSScope::ConstPtr &type,
const QString &name) const;
bool isPrimitive(const QQmlJSScope::ConstPtr &type) const;
bool checkEnums(const QQmlJSScope::ConstPtr &scope, const QString &name,
QQmlJSRegisterContent *result, QQmlJSScope::ExtensionKind mode) const;
bool canPrimitivelyConvertFromTo(
const QQmlJSScope::ConstPtr &from, const QQmlJSScope::ConstPtr &to) const;
QQmlJSRegisterContent lengthProperty(bool isWritable, const QQmlJSScope::ConstPtr &scope) const;
QQmlJSRegisterContent transformed(
const QQmlJSRegisterContent &origin,
QQmlJSScope::ConstPtr (QQmlJSTypeResolver::*op)(const QQmlJSScope::ConstPtr &) const) const;
QQmlJSRegisterContent referenceTypeForName(
const QString &name,
const QQmlJSScope::ConstPtr &scopeType = QQmlJSScope::ConstPtr(),
bool hasObjectModuelPrefix = false) const;
QQmlJSScope::ConstPtr m_voidType;
QQmlJSScope::ConstPtr m_emptyListType;
QQmlJSScope::ConstPtr m_emptyType;
QQmlJSScope::ConstPtr m_nullType;
QQmlJSScope::ConstPtr m_numberPrototype;
QQmlJSScope::ConstPtr m_arrayType;
QQmlJSScope::ConstPtr m_realType;
QQmlJSScope::ConstPtr m_floatType;
QQmlJSScope::ConstPtr m_intType;
QQmlJSScope::ConstPtr m_uintType;
QQmlJSScope::ConstPtr m_boolType;
QQmlJSScope::ConstPtr m_stringType;
QQmlJSScope::ConstPtr m_stringListType;
QQmlJSScope::ConstPtr m_byteArrayType;
QQmlJSScope::ConstPtr m_urlType;
QQmlJSScope::ConstPtr m_dateTimeType;
QQmlJSScope::ConstPtr m_dateType;
QQmlJSScope::ConstPtr m_timeType;
QQmlJSScope::ConstPtr m_variantListType;
QQmlJSScope::ConstPtr m_varType;
QQmlJSScope::ConstPtr m_jsValueType;
QQmlJSScope::ConstPtr m_jsPrimitiveType;
QQmlJSScope::ConstPtr m_listPropertyType;
QQmlJSScope::ConstPtr m_qObjectListType;
QQmlJSScope::ConstPtr m_metaObjectType;
QQmlJSScope::ConstPtr m_functionType;
QQmlJSScope::ConstPtr m_jsGlobalObject;
QQmlJSScopesById m_objectsById;
QHash<QV4::CompiledData::Location, QQmlJSScope::ConstPtr> m_objectsByLocation;
QQmlJSImporter::ImportedTypes m_imports;
QHash<QQmlJS::SourceLocation, QQmlJSMetaSignalHandler> m_signalHandlers;
ParentMode m_parentMode = UseParentProperty;
CloneMode m_cloneMode = CloneTypes;
QQmlJSLogger *m_logger = nullptr;
struct TrackedType
{
// The type originally found via type analysis.
QQmlJSScope::ConstPtr original;
// Any later replacement used to overwrite the contents of the clone.
QQmlJSScope::ConstPtr replacement;
// A clone of original, used to track the type,
// contents possibly overwritten by replacement.
QQmlJSScope::Ptr clone;
};
std::unique_ptr<QHash<QQmlJSScope::ConstPtr, TrackedType>> m_trackedTypes;
};
QT_END_NAMESPACE
#endif // QQMLJSTYPERESOLVER_P_H
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