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
|
/*
SPDX-FileCopyrightText: 2014 Kevin Funk <kfunk@kde.org>
SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
*/
#include "duchainutils.h"
#include "util/clangdebug.h"
#include <language/duchain/declaration.h>
#include <language/duchain/duchainutils.h>
#include <language/duchain/ducontext.h>
#include <language/duchain/functiondefinition.h>
#include <language/duchain/types/typeregister.h>
#include "macrodefinition.h"
#include "clangducontext.h"
#include "clangparsingenvironmentfile.h"
#include "types/classspecializationtype.h"
using namespace KDevelop;
namespace ClangIntegration {
KTextEditor::Range DUChainUtils::functionSignatureRange(const Declaration* decl)
{
if (!decl->isFunctionDeclaration()) {
qCWarning(KDEV_CLANG) << "Invalid declaration:" << decl;
return {};
}
auto functionContext = decl->internalContext();
Q_ASSERT(functionContext);
auto childContexts = functionContext->childContexts();
if (childContexts.isEmpty()) {
return functionContext->rangeInCurrentRevision();
}
const auto start = functionContext->rangeInCurrentRevision().start();
const auto end = childContexts[0]->rangeInCurrentRevision().start();
return {start, end};
}
void DUChainUtils::registerDUChainItems()
{
duchainRegisterType<ClangTopDUContext>();
duchainRegisterType<ClangParsingEnvironmentFile>();
duchainRegisterType<ClangNormalDUContext>();
duchainRegisterType<MacroDefinition>();
TypeSystem::self().registerTypeClass<ClassSpecializationType, ClassSpecializationTypeData>();
}
void DUChainUtils::unregisterDUChainItems()
{
TypeSystem::self().unregisterTypeClass<ClassSpecializationType, ClassSpecializationTypeData>();
/// FIXME: this is currently not supported by the DUChain code...
/// When the items are unregistered on plugin destruction, we'll get hit by
/// assertions later on when the DUChain is finalized. There, when the data is getting cleaned up,
/// we try to load all kinds of items again which would fail to find our items if we unregister.
/// So let's not do it...
/*
duchainUnregisterType<ClangTopDUContext>();
duchainUnregisterType<ClangParsingEnvironmentFile>();
duchainUnregisterType<ClangNormalDUContext>();
duchainUnregisterType<MacroDefinition>();
*/
}
ParseSessionData::Ptr DUChainUtils::findParseSessionData(const IndexedString &file, const IndexedString &tufile)
{
DUChainReadLocker lock;
auto context = KDevelop::DUChainUtils::standardContextForUrl(file.toUrl());
if (!context || !context->ast()) {
// no cached data found for the current file, but maybe
// we are lucky and can grab it from the TU context
// this happens e.g. when originally a .cpp file is open and then one
// of its included files is opened in the editor.
context = KDevelop::DUChainUtils::standardContextForUrl(tufile.toUrl());
}
if (context) {
return ParseSessionData::Ptr(dynamic_cast<ParseSessionData*>(context->ast().data()));
}
return {};
}
}
|
