1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
/*
SPDX-FileCopyrightText: 2006-2008 Hamish Rodda <rodda@kde.org>
SPDX-FileCopyrightText: 2007-2008 David Nolden <david.nolden.kdevelop@art-master.de>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#include "codecompletionworker.h"
#include <KTextEditor/View>
#include <KTextEditor/Document>
#include <KLocalizedString>
#include "../duchain/ducontext.h"
#include "../duchain/duchainlock.h"
#include "../duchain/duchain.h"
#include <debug.h>
#include "codecompletion.h"
#include "codecompletionitem.h"
#include "codecompletionmodel.h"
#include "codecompletionitemgrouper.h"
#include <util/foregroundlock.h>
using namespace KTextEditor;
using namespace KDevelop;
CodeCompletionWorker::CodeCompletionWorker(KDevelop::CodeCompletionModel* model) :
m_hasFoundDeclarations(false)
, m_mutex(new QMutex())
, m_abort(false)
, m_fullCompletion(true)
, m_model(model)
{
}
CodeCompletionWorker::~CodeCompletionWorker()
{
delete m_mutex;
}
void CodeCompletionWorker::setFullCompletion(bool full)
{
m_fullCompletion = full;
}
bool CodeCompletionWorker::fullCompletion() const
{
return m_fullCompletion;
}
void CodeCompletionWorker::failed()
{
foundDeclarations({}, {});
}
void CodeCompletionWorker::foundDeclarations(const QList<CompletionTreeElementPointer>& items,
const CodeCompletionContext::Ptr& completionContext)
{
m_hasFoundDeclarations = true;
emit foundDeclarationsReal(items, completionContext);
}
void CodeCompletionWorker::computeCompletions(const KDevelop::DUContextPointer& context,
const KTextEditor::Cursor& position, KTextEditor::View* view)
{
{
QMutexLocker lock(m_mutex);
m_abort = false;
}
///@todo It's not entirely safe to pass KTextEditor::View* through a queued connection
// We access the view/document which is not thread-safe, so we need the foreground lock
ForegroundLock foreground;
//Compute the text we should complete on
KTextEditor::Document* doc = view->document();
if (!doc) {
qCDebug(LANGUAGE) << "No document for completion";
failed();
return;
}
KTextEditor::Range range;
QString text;
{
QMutexLocker lock(m_mutex);
DUChainReadLocker lockDUChain;
if (context) {
qCDebug(LANGUAGE) << context->localScopeIdentifier().toString();
range = KTextEditor::Range(context->rangeInCurrentRevision().start(), position);
} else
range = KTextEditor::Range(KTextEditor::Cursor(position.line(), 0), position);
updateContextRange(range, view, context);
text = doc->text(range);
}
if (position.column() == 0) //Seems like when the cursor is a the beginning of a line, kate does not give the \n
text += QLatin1Char('\n');
if (aborting()) {
failed();
return;
}
m_hasFoundDeclarations = false;
KTextEditor::Cursor cursorPosition = view->cursorPosition();
QString followingText; //followingText may contain additional text that stands for the current item. For example in the case "QString|", QString is in addedText.
if (position < cursorPosition)
followingText = view->document()->text(KTextEditor::Range(position, cursorPosition));
foreground.unlock();
computeCompletions(context, position, followingText, range, text);
if (!m_hasFoundDeclarations)
failed();
}
void KDevelop::CodeCompletionWorker::doSpecialProcessing(uint)
{
}
CodeCompletionContext* CodeCompletionWorker::createCompletionContext(const KDevelop::DUContextPointer& context,
const QString& contextText,
const QString& followingText,
const KDevelop::CursorInRevision& position) const
{
Q_UNUSED(context);
Q_UNUSED(contextText);
Q_UNUSED(followingText);
Q_UNUSED(position);
return nullptr;
}
void CodeCompletionWorker::computeCompletions(const KDevelop::DUContextPointer& context,
const KTextEditor::Cursor& position, const QString& followingText,
const KTextEditor::Range& contextRange, const QString& contextText)
{
Q_UNUSED(contextRange);
qCDebug(LANGUAGE) << "added text:" << followingText;
CodeCompletionContext::Ptr completionContext(createCompletionContext(context, contextText, followingText, CursorInRevision::castFromSimpleCursor(KTextEditor::Cursor(
position))));
if (KDevelop::CodeCompletionModel* m = model())
m->setCompletionContext(completionContext);
if (completionContext && completionContext->isValid()) {
{
DUChainReadLocker lock(DUChain::lock());
if (!context) {
failed();
qCDebug(LANGUAGE) << "Completion context disappeared before completions could be calculated";
return;
}
}
QList<CompletionTreeItemPointer> items = completionContext->completionItems(aborting(), fullCompletion());
if (aborting()) {
failed();
return;
}
QList<QExplicitlySharedDataPointer<CompletionTreeElement>> tree = computeGroups(items, completionContext);
if (aborting()) {
failed();
return;
}
tree += completionContext->ungroupedElements();
foundDeclarations(tree, completionContext);
} else {
qCDebug(LANGUAGE) << "setContext: Invalid code-completion context";
}
}
QList<QExplicitlySharedDataPointer<CompletionTreeElement>> CodeCompletionWorker::computeGroups(
const QList<CompletionTreeItemPointer>& items,
const QExplicitlySharedDataPointer<CodeCompletionContext>& completionContext)
{
Q_UNUSED(completionContext);
QList<QExplicitlySharedDataPointer<CompletionTreeElement>> tree;
/**
* 1. Group by argument-hint depth
* 2. Group by inheritance depth
* 3. Group by simplified attributes
* */
CodeCompletionItemGrouper<ArgumentHintDepthExtractor, CodeCompletionItemGrouper<InheritanceDepthExtractor,
CodeCompletionItemGrouper<SimplifiedAttributesExtractor>>> argumentHintDepthGrouper(tree, nullptr, std::move(
items));
return tree;
}
void CodeCompletionWorker::abortCurrentCompletion()
{
QMutexLocker lock(m_mutex);
m_abort = true;
}
bool& CodeCompletionWorker::aborting()
{
return m_abort;
}
KDevelop::CodeCompletionModel* CodeCompletionWorker::model() const
{
return m_model;
}
void CodeCompletionWorker::updateContextRange(Range& contextRange, View* view, const DUContextPointer& context) const
{
Q_UNUSED(contextRange);
Q_UNUSED(view);
Q_UNUSED(context);
}
|
