1// Copyright (C) 2023 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
3
4#ifndef QQMLJSCONTEXTUALTYPES_P_H
5#define QQMLJSCONTEXTUALTYPES_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16
17#include <QtCore/qstring.h>
18#include <QtCore/qhash.h>
19#include <private/qqmljsscope_p.h>
20
21QT_BEGIN_NAMESPACE
22
23namespace QQmlJS {
24/*! \internal
25 * Maps type names to types and the compile context of the types. The context can be
26 * INTERNAL (for c++ and synthetic jsrootgen types) or QML (for qml types).
27 */
28struct ContextualTypes
29{
30 enum CompileContext { INTERNAL, QML };
31
32 ContextualTypes(
33 CompileContext context,
34 const QHash<QString, ImportedScope<QQmlJSScope::ConstPtr>> types,
35 const QQmlJSScope::ConstPtr &arrayType)
36 : m_types(types)
37 , m_context(context)
38 , m_arrayType(arrayType)
39 {}
40
41 CompileContext context() const { return m_context; }
42 QQmlJSScope::ConstPtr arrayType() const { return m_arrayType; }
43
44 bool hasType(const QString &name) const { return m_types.contains(key: name); }
45
46 ImportedScope<QQmlJSScope::ConstPtr> type(const QString &name) const { return m_types[name]; }
47 QString name(const QQmlJSScope::ConstPtr &type) const { return m_names[type]; }
48
49 void setType(const QString &name, const ImportedScope<QQmlJSScope::ConstPtr> &type)
50 {
51 if (!name.startsWith(c: u'$'))
52 m_names.insert(key: type.scope, value: name);
53 m_types.insert(key: name, value: type);
54 }
55 void clearType(const QString &name)
56 {
57 auto &scope = m_types[name].scope;
58 auto it = m_names.constFind(key: scope);
59 while (it != m_names.constEnd() && it.key() == scope)
60 it = m_names.erase(it);
61 scope = QQmlJSScope::ConstPtr();
62 }
63
64 bool isNullType(const QString &name) const
65 {
66 const auto it = m_types.constFind(key: name);
67 return it != m_types.constEnd() && it->scope.isNull();
68 }
69
70 void addTypes(ContextualTypes &&types)
71 {
72 Q_ASSERT(types.m_context == m_context);
73 insertNames(types);
74 m_types.insert(hash: std::move(types.m_types));
75 }
76
77 void addTypes(const ContextualTypes &types)
78 {
79 Q_ASSERT(types.m_context == m_context);
80 insertNames(types);
81 m_types.insert(hash: types.m_types);
82 }
83
84 const QHash<QString, ImportedScope<QQmlJSScope::ConstPtr>> &types() const { return m_types; }
85 const auto &names() const { return m_names; }
86
87 void clearTypes()
88 {
89 m_names.clear();
90 m_types.clear();
91 }
92
93private:
94 void insertNames(const ContextualTypes &types) {
95 for (auto it = types.m_types.constBegin(), end = types.m_types.constEnd();
96 it != end; ++it) {
97 const QString &name = it.key();
98 if (!name.startsWith(c: u'$'))
99 m_names.insert(key: it->scope, value: name);
100 }
101 }
102
103 QHash<QString, ImportedScope<QQmlJSScope::ConstPtr>> m_types;
104 QMultiHash<QQmlJSScope::ConstPtr, QString> m_names;
105 CompileContext m_context;
106
107 // For resolving sequence types
108 QQmlJSScope::ConstPtr m_arrayType;
109};
110}
111
112QT_END_NAMESPACE
113
114#endif // QQMLJSCONTEXTUALTYPES_P_H
115

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source code of qtdeclarative/src/qmlcompiler/qqmljscontextualtypes_p.h