summaryrefslogtreecommitdiffstats
path: root/tools/porting/src/codemodelattributes.cpp
blob: 40e4d0cf7b9481dd7d091f4de6546c8696d08db0 (plain)
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
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the qt3to4 porting application of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights.  These rights are described in the Nokia Qt LGPL
** Exception version 1.1, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "codemodelattributes.h"
#include "tokenengine.h"

QT_BEGIN_NAMESPACE

using namespace CodeModel;
using namespace TokenEngine;

/*
     Walk the codemodel.
*/
void CodeModelAttributes::createAttributes(TranslationUnit translationUnit)
{
    m_translationUnit = translationUnit;
    parseScope(const_cast<CodeModel::NamespaceScope *>(translationUnit.codeModel()));
}

/*
    Create attributes for each name use and assign to the token.
*/
void CodeModelAttributes::parseNameUse(CodeModel::NameUse *nameUse)
{
    // Get the container for this token.
    TokenRef ref = nameUse->nameToken();
    const int containerIndex = ref.containerIndex();
    TokenAttributes *attributes = ref.tokenContainer().tokenAttributes();

    if (!areAttributesEnabled(attributes))
        return;

    // Test if the nameUse refers to a UnknownType. If so we add and
    // "unknown" attribute.
    if (TypeMember *typeMember =  nameUse->declaration()->toTypeMember()) {
        if (typeMember->type()->toUnknownType()) {
            attributes->addAttribute(containerIndex, "unknown", nameUse->name());
            return;
        }
    }

    // Add attributes this namnUse.
    attributes->addAttribute(containerIndex, "nameUse", nameUse->name());
    attributes->addAttribute(containerIndex, "parentScope",
                             nameUse->declaration()->parent()->name() );
    if (CodeModel::Scope * skop = nameUse->declaration()->parent()->parent()) {
        attributes->addAttribute(containerIndex, "grandParentScope", skop->name());
    }

    createNameTypeAttribute(nameUse);
}

/*
    Create attributes for members and assign to token.
*/
void CodeModelAttributes::parseMember(CodeModel::Member *member)
{
    if(!member || member->name() == QByteArray())
        return;

    //get the container for this token
    TokenRef ref = member->nameToken();
    const int containerIndex = ref.containerIndex();
    TokenAttributes *attributes = ref.tokenContainer().tokenAttributes();

    if (areAttributesEnabled(attributes)) {
        //add attributes for this declaration
        static const QByteArray textDeclaration = "declaration";
        attributes->addAttribute(containerIndex, textDeclaration, member->name());
        createNameTypeAttribute(member);
    }
    CodeModelWalker::parseMember(member);
}
    
void CodeModelAttributes::parseFunctionMember(CodeModel::FunctionMember *member)
{
    CodeModel::ArgumentCollection arguments = member->arguments();
    CodeModel::ArgumentCollection::ConstIterator it = arguments.constBegin();
    TokenRef ref = member->nameToken();
    TokenAttributes *attributes = ref.tokenContainer().tokenAttributes();
    
    if (areAttributesEnabled(attributes)) {
        while (it != arguments.constEnd()) {
            const int containerIndex = (*it)->nameToken().containerIndex();
            const QByteArray name = (*it)->name();
            attributes->addAttribute(containerIndex, "declaration", name);
            attributes->addAttribute(containerIndex, "nameType", "variable");
            ++it;
        }
    }
    CodeModelWalker::parseFunctionMember(member);
}

/*
    NameType attributes gives information on what kind of member this is.
*/
void CodeModelAttributes::createNameTypeAttribute(CodeModel::Member *member)
{
    if(!member)
        return;
    //get the container for the token accosiated with this member.
    TokenRef ref = member->nameToken();
    const int containerIndex = ref.containerIndex();
    TokenAttributes *attributes = ref.tokenContainer().tokenAttributes();

    createNameTypeAttributeAtIndex(attributes, containerIndex, member);
}

/*
    A NameUse has the same NameType as the declaration it is referring to.
*/
void CodeModelAttributes::createNameTypeAttribute(CodeModel::NameUse *nameUse)
{
    if(!nameUse)
        return;

    //get the container for the token accosiated with this NameUse.
    TokenRef ref = nameUse->nameToken();
    const int containerIndex = ref.containerIndex();
    TokenAttributes *attributes = ref.tokenContainer().tokenAttributes();

    createNameTypeAttributeAtIndex(attributes, containerIndex, nameUse->declaration());
}

void CodeModelAttributes::createNameTypeAttributeAtIndex(TokenEngine::TokenAttributes *attributes,
                                        int index, CodeModel::Member *member)
{
    QByteArray nameType = "unknown";
    if (member->toFunctionMember()) {
        nameType = "function";
    } else if (CodeModel::VariableMember *variableMember = member->toVariableMember()) {
        if (variableMember->type()->toEnumType())
            nameType = "enumerator";
        else
            nameType = "variable";
    } else if (CodeModel::TypeMember *typeMember =  member->toTypeMember()) {
        if (CodeModel::Type *type = typeMember->type()) {
            if (type->toClassType()) {
                nameType = "class";
            } else if (type->toEnumType()) {
                nameType = "enum";
            }
        }
    }
    attributes->addAttribute(index, "nameType", nameType);
}

bool CodeModelAttributes::areAttributesEnabled(const TokenAttributes *attributes) const
{
    static const QByteArray tstCreateAttributes("CreateAttributes");
    static const QByteArray tstTrue("True");
    return (attributes->attribute(tstCreateAttributes) == tstTrue);
}


QT_END_NAMESPACE