1 | // Copyright (C) 2024 The Qt Company Ltd. |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #ifndef QQMLLSCOMPLETION_H |
5 | #define QQMLLSCOMPLETION_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 | |
18 | #include "qqmlcompletioncontextstrings_p.h" |
19 | #include "qqmllsutils_p.h" |
20 | #include "qqmllsplugin_p.h" |
21 | |
22 | #include <QtLanguageServer/private/qlanguageserverspectypes_p.h> |
23 | #include <QtQmlDom/private/qqmldomexternalitems_p.h> |
24 | #include <QtQmlDom/private/qqmldomtop_p.h> |
25 | #include <QtCore/private/qduplicatetracker_p.h> |
26 | #include <QtCore/private/qfactoryloader_p.h> |
27 | #include <QtCore/qpluginloader.h> |
28 | #include <QtCore/qxpfunctional.h> |
29 | |
30 | QT_BEGIN_NAMESPACE |
31 | |
32 | Q_DECLARE_LOGGING_CATEGORY(QQmlLSCompletionLog) |
33 | |
34 | |
35 | class QQmlLSCompletion |
36 | { |
37 | using DomItem = QQmlJS::Dom::DomItem; |
38 | public: |
39 | enum class ImportCompletionType { None, Module, Version }; |
40 | enum AppendOption { AppendSemicolon, AppendNothing }; |
41 | |
42 | QQmlLSCompletion(const QFactoryLoader &pluginLoader); |
43 | |
44 | using CompletionItem = QLspSpecification::CompletionItem; |
45 | using BackInsertIterator = std::back_insert_iterator<QList<CompletionItem>>; |
46 | QList<CompletionItem> completions(const DomItem ¤tItem, |
47 | const CompletionContextStrings &ctx) const; |
48 | |
49 | static CompletionItem makeSnippet(QUtf8StringView qualifier, QUtf8StringView label, |
50 | QUtf8StringView insertText); |
51 | |
52 | static CompletionItem makeSnippet(QUtf8StringView label, QUtf8StringView insertText); |
53 | |
54 | private: |
55 | struct QQmlLSCompletionPosition |
56 | { |
57 | DomItem itemAtPosition; |
58 | CompletionContextStrings cursorPosition; |
59 | qsizetype offset() const { return cursorPosition.offset(); } |
60 | }; |
61 | |
62 | void collectCompletions(const DomItem ¤tItem, const CompletionContextStrings &ctx, |
63 | BackInsertIterator result) const; |
64 | |
65 | bool betweenLocations(QQmlJS::SourceLocation left, const QQmlLSCompletionPosition &positionInfo, |
66 | QQmlJS::SourceLocation right) const; |
67 | bool afterLocation(QQmlJS::SourceLocation left, |
68 | const QQmlLSCompletionPosition &positionInfo) const; |
69 | bool beforeLocation(const QQmlLSCompletionPosition &ctx, QQmlJS::SourceLocation right) const; |
70 | bool ctxBeforeStatement(const QQmlLSCompletionPosition &positionInfo, |
71 | const DomItem &parentForContext, |
72 | QQmlJS::Dom::FileLocationRegion firstRegion) const; |
73 | bool isCaseOrDefaultBeforeCtx(const DomItem ¤tClause, |
74 | const QQmlLSCompletionPosition &positionInfo, |
75 | QQmlJS::Dom::FileLocationRegion keywordRegion) const; |
76 | DomItem previousCaseOfCaseBlock(const DomItem &parentForContext, |
77 | const QQmlLSCompletionPosition &positionInfo) const; |
78 | |
79 | void idsCompletions(const DomItem &component, BackInsertIterator it) const; |
80 | |
81 | void suggestReachableTypes(const DomItem &context, |
82 | QQmlJS::Dom::LocalSymbolsTypes typeCompletionType, |
83 | QLspSpecification::CompletionItemKind kind, |
84 | BackInsertIterator it) const; |
85 | |
86 | void suggestJSStatementCompletion(const DomItem ¤tItem, BackInsertIterator it) const; |
87 | void suggestCaseAndDefaultStatementCompletion(BackInsertIterator it) const; |
88 | void suggestVariableDeclarationStatementCompletion( |
89 | BackInsertIterator it, AppendOption option = AppendSemicolon) const; |
90 | |
91 | void suggestEnumerationsAndEnumerationValues(const QQmlJSScope::ConstPtr &scope, |
92 | const QString &enumName, |
93 | QDuplicateTracker<QString> &usedNames, |
94 | BackInsertIterator result) const; |
95 | DomItem ownerOfQualifiedExpression(const DomItem &qualifiedExpression) const; |
96 | void suggestJSExpressionCompletion(const DomItem &context, BackInsertIterator it) const; |
97 | |
98 | void suggestBindingCompletion(const DomItem &itemAtPosition, BackInsertIterator it) const; |
99 | |
100 | void insideImportCompletionHelper(const DomItem &file, |
101 | const QQmlLSCompletionPosition &positionInfo, |
102 | BackInsertIterator it) const; |
103 | |
104 | void jsIdentifierCompletion(const QQmlJSScope::ConstPtr &scope, |
105 | QDuplicateTracker<QString> *usedNames, BackInsertIterator it) const; |
106 | |
107 | void methodCompletion(const QQmlJSScope::ConstPtr &scope, QDuplicateTracker<QString> *usedNames, |
108 | BackInsertIterator it) const; |
109 | void propertyCompletion(const QQmlJSScope::ConstPtr &scope, |
110 | QDuplicateTracker<QString> *usedNames, BackInsertIterator it) const; |
111 | void enumerationCompletion(const QQmlJSScope::ConstPtr &scope, |
112 | QDuplicateTracker<QString> *usedNames, BackInsertIterator it) const; |
113 | void enumerationValueCompletionHelper(const QStringList &enumeratorKeys, |
114 | BackInsertIterator it) const; |
115 | |
116 | void enumerationValueCompletion(const QQmlJSScope::ConstPtr &scope, |
117 | const QString &enumeratorName, BackInsertIterator it) const; |
118 | |
119 | static bool cursorInFrontOfItem(const DomItem &parentForContext, |
120 | const QQmlLSCompletionPosition &positionInfo); |
121 | static bool cursorAfterColon(const DomItem ¤tItem, |
122 | const QQmlLSCompletionPosition &positionInfo); |
123 | void insidePragmaCompletion(QQmlJS::Dom::DomItem currentItem, |
124 | const QQmlLSCompletionPosition &positionInfo, |
125 | BackInsertIterator it) const; |
126 | void insideQmlObjectCompletion(const DomItem &parentForContext, |
127 | const QQmlLSCompletionPosition &positionInfo, |
128 | BackInsertIterator it) const; |
129 | void insidePropertyDefinitionCompletion(const DomItem ¤tItem, |
130 | const QQmlLSCompletionPosition &positionInfo, |
131 | BackInsertIterator it) const; |
132 | void insideBindingCompletion(const DomItem ¤tItem, |
133 | const QQmlLSCompletionPosition &positionInfo, |
134 | BackInsertIterator it) const; |
135 | void insideImportCompletion(const DomItem ¤tItem, |
136 | const QQmlLSCompletionPosition &positionInfo, |
137 | BackInsertIterator it) const; |
138 | void insideQmlFileCompletion(const DomItem ¤tItem, |
139 | const QQmlLSCompletionPosition &positionInfo, |
140 | BackInsertIterator it) const; |
141 | void suggestContinueAndBreakStatementIfNeeded(const DomItem &itemAtPosition, |
142 | BackInsertIterator it) const; |
143 | void insideScriptLiteralCompletion(const DomItem ¤tItem, |
144 | const QQmlLSCompletionPosition &positionInfo, |
145 | BackInsertIterator it) const; |
146 | void insideCallExpression(const DomItem ¤tItem, |
147 | const QQmlLSCompletionPosition &positionInfo, |
148 | BackInsertIterator it) const; |
149 | void insideIfStatement(const DomItem ¤tItem, const QQmlLSCompletionPosition &positionInfo, |
150 | BackInsertIterator it) const; |
151 | void insideReturnStatement(const DomItem ¤tItem, |
152 | const QQmlLSCompletionPosition &positionInfo, |
153 | BackInsertIterator it) const; |
154 | void insideWhileStatement(const DomItem ¤tItem, |
155 | const QQmlLSCompletionPosition &positionInfo, |
156 | BackInsertIterator it) const; |
157 | void insideDoWhileStatement(const DomItem &parentForContext, |
158 | const QQmlLSCompletionPosition &positionInfo, |
159 | BackInsertIterator it) const; |
160 | void insideForStatementCompletion(const DomItem &parentForContext, |
161 | const QQmlLSCompletionPosition &positionInfo, |
162 | BackInsertIterator it) const; |
163 | void insideForEachStatement(const DomItem &parentForContext, |
164 | const QQmlLSCompletionPosition &positionInfo, |
165 | BackInsertIterator it) const; |
166 | void insideSwitchStatement(const DomItem &parentForContext, |
167 | const QQmlLSCompletionPosition positionInfo, |
168 | BackInsertIterator it) const; |
169 | void insideCaseClause(const DomItem &parentForContext, |
170 | const QQmlLSCompletionPosition &positionInfo, |
171 | BackInsertIterator it) const; |
172 | void insideCaseBlock(const DomItem &parentForContext, |
173 | const QQmlLSCompletionPosition &positionInfo, BackInsertIterator it) const; |
174 | void insideDefaultClause(const DomItem &parentForContext, |
175 | const QQmlLSCompletionPosition &positionInfo, |
176 | BackInsertIterator it) const; |
177 | void insideBinaryExpressionCompletion(const DomItem &parentForContext, |
178 | const QQmlLSCompletionPosition &positionInfo, |
179 | BackInsertIterator it) const; |
180 | void insideScriptPattern(const DomItem &parentForContext, |
181 | const QQmlLSCompletionPosition &positionInfo, |
182 | BackInsertIterator it) const; |
183 | void insideVariableDeclarationEntry(const DomItem &parentForContext, |
184 | const QQmlLSCompletionPosition &positionInfo, |
185 | BackInsertIterator it) const; |
186 | void insideThrowStatement(const DomItem &parentForContext, |
187 | const QQmlLSCompletionPosition &positionInfo, |
188 | BackInsertIterator it) const; |
189 | void insideLabelledStatement(const DomItem &parentForContext, |
190 | const QQmlLSCompletionPosition &positionInfo, |
191 | BackInsertIterator it) const; |
192 | void insideContinueStatement(const DomItem &parentForContext, |
193 | const QQmlLSCompletionPosition &positionInfo, |
194 | BackInsertIterator it) const; |
195 | void insideBreakStatement(const DomItem &parentForContext, |
196 | const QQmlLSCompletionPosition &positionInfo, |
197 | BackInsertIterator it) const; |
198 | void insideConditionalExpression(const DomItem &parentForContext, |
199 | const QQmlLSCompletionPosition &positionInfo, |
200 | BackInsertIterator it) const; |
201 | void insideUnaryExpression(const DomItem &parentForContext, |
202 | const QQmlLSCompletionPosition &positionInfo, |
203 | BackInsertIterator it) const; |
204 | void insidePostExpression(const DomItem &parentForContext, |
205 | const QQmlLSCompletionPosition &positionInfo, |
206 | BackInsertIterator it) const; |
207 | void insideParenthesizedExpression(const DomItem &parentForContext, |
208 | const QQmlLSCompletionPosition &positionInfo, |
209 | BackInsertIterator it) const; |
210 | void insideTemplateLiteral(const DomItem &parentForContext, |
211 | const QQmlLSCompletionPosition &positionInfo, |
212 | BackInsertIterator it) const; |
213 | void insideNewExpression(const DomItem &parentForContext, |
214 | const QQmlLSCompletionPosition &positionInfo, |
215 | BackInsertIterator it) const; |
216 | void insideNewMemberExpression(const DomItem &parentForContext, |
217 | const QQmlLSCompletionPosition &positionInfo, |
218 | BackInsertIterator it) const; |
219 | void signalHandlerCompletion(const QQmlJSScope::ConstPtr &scope, |
220 | QDuplicateTracker<QString> *usedNames, |
221 | BackInsertIterator it) const; |
222 | |
223 | void suggestSnippetsForLeftHandSideOfBinding(const DomItem &items, |
224 | BackInsertIterator result) const; |
225 | |
226 | void suggestSnippetsForRightHandSideOfBinding(const DomItem &items, |
227 | BackInsertIterator result) const; |
228 | |
229 | private: |
230 | using CompletionFromPluginFunction = void(QQmlLSCompletionPlugin *plugin, |
231 | BackInsertIterator result); |
232 | void collectFromPlugins(const qxp::function_ref<CompletionFromPluginFunction> f, |
233 | BackInsertIterator result) const; |
234 | |
235 | QStringList m_loadPaths; |
236 | |
237 | std::vector<std::unique_ptr<QQmlLSCompletionPlugin>> m_plugins; |
238 | }; |
239 | |
240 | QT_END_NAMESPACE |
241 | |
242 | #endif // QQMLLSCOMPLETION_H |
243 | |