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
222
223
224
225
226
227
|
/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of Qt for Python.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <abstractmetabuilder_p.h>
#include <parser/codemodel.h>
#include <clangparser/compilersupport.h>
#include <QtCore/QCoreApplication>
#include <QtCore/QCommandLineOption>
#include <QtCore/QCommandLineParser>
#include <QtCore/QDateTime>
#include <QtCore/QDebug>
#include <QtCore/QDir>
#include <QtCore/QFile>
#include <QtCore/QXmlStreamWriter>
#include <iostream>
#include <algorithm>
#include <iterator>
static inline QString languageLevelDescription()
{
return QLatin1String("C++ Language level (c++11..c++17, default=")
+ QLatin1String(clang::languageLevelOption(clang::emulatedCompilerLanguageLevel()))
+ QLatin1Char(')');
}
static void formatDebugOutput(const FileModelItem &dom, bool verbose)
{
QString output;
{
QDebug debug(&output);
if (verbose)
debug.setVerbosity(3);
debug << dom.data();
}
std::cout << qPrintable(output) << '\n';
}
static const char *primitiveTypes[] = {
"int", "unsigned", "short", "unsigned short", "long", "unsigned long",
"float", "double"
};
static inline QString nameAttribute() { return QStringLiteral("name"); }
static void formatXmlNamespace(QXmlStreamWriter &writer, const NamespaceModelItem &nsp);
static void formatXmlClass(QXmlStreamWriter &writer, const ClassModelItem &klass);
static void formatXmlEnum(QXmlStreamWriter &writer, const EnumModelItem &en)
{
writer.writeStartElement(QStringLiteral("enum-type"));
writer.writeAttribute(nameAttribute(), en->name());
writer.writeEndElement();
}
static void formatXmlScopeMembers(QXmlStreamWriter &writer, const ScopeModelItem &nsp)
{
for (const auto &klass : nsp->classes()) {
if (klass->classType() != CodeModel::Union && klass->templateParameters().isEmpty())
formatXmlClass(writer, klass);
}
for (const auto &en : nsp->enums())
formatXmlEnum(writer, en);
}
static bool isPublicCopyConstructor(const FunctionModelItem &f)
{
return f->functionType() == CodeModel::CopyConstructor
&& f->accessPolicy() == CodeModel::Public && !f->isDeleted();
}
static void formatXmlClass(QXmlStreamWriter &writer, const ClassModelItem &klass)
{
// Heuristics for value types: check on public copy constructors.
const auto functions = klass->functions();
const bool isValueType = std::any_of(functions.cbegin(), functions.cend(),
isPublicCopyConstructor);
writer.writeStartElement(isValueType ? QStringLiteral("value-type")
: QStringLiteral("object-type"));
writer.writeAttribute(nameAttribute(), klass->name());
formatXmlScopeMembers(writer, klass);
writer.writeEndElement();
}
static void formatXmlNamespaceMembers(QXmlStreamWriter &writer, const NamespaceModelItem &nsp)
{
for (const auto &nested : nsp->namespaces())
formatXmlNamespace(writer, nested);
for (auto func : nsp->functions()) {
const QString signature = func->typeSystemSignature();
if (!signature.contains(QLatin1String("operator"))) { // Skip free operators
writer.writeStartElement(QStringLiteral("function"));
writer.writeAttribute(QStringLiteral("signature"), signature);
writer.writeEndElement();
}
}
formatXmlScopeMembers(writer, nsp);
}
static void formatXmlNamespace(QXmlStreamWriter &writer, const NamespaceModelItem &nsp)
{
writer.writeStartElement(QStringLiteral("namespace-type"));
writer.writeAttribute(nameAttribute(), nsp->name());
formatXmlNamespaceMembers(writer, nsp);
writer.writeEndElement();
}
static void formatXmlOutput(const FileModelItem &dom)
{
QString output;
QXmlStreamWriter writer(&output);
writer.setAutoFormatting(true);
writer.writeStartDocument();
writer.writeStartElement(QStringLiteral("typesystem"));
writer.writeAttribute(QStringLiteral("package"), QStringLiteral("insert_name"));
writer.writeComment(QStringLiteral("Auto-generated ") +
QDateTime::currentDateTime().toString(Qt::ISODate));
for (auto p : primitiveTypes) {
writer.writeStartElement(QStringLiteral("primitive-type"));
writer.writeAttribute(nameAttribute(), QLatin1String(p));
writer.writeEndElement();
}
formatXmlNamespaceMembers(writer, dom);
writer.writeEndElement();
writer.writeEndDocument();
std::cout << qPrintable(output) << '\n';
}
static const char descriptionFormat[] = R"(
Type system dumper
Parses a C++ header and dumps out the classes found in typesystem XML syntax.
Arguments are arguments to the compiler the last of which should be the header
or source file.
It is recommended to create a .hh include file including the desired headers
and pass that along with the required include paths.
Based on Qt %1 and LibClang v%2.)";
int main(int argc, char **argv)
{
QCoreApplication app(argc, argv);
QCommandLineParser parser;
parser.setSingleDashWordOptionMode(QCommandLineParser::ParseAsLongOptions);
parser.setOptionsAfterPositionalArgumentsMode(QCommandLineParser::ParseAsPositionalArguments);
const QString description =
QString::fromLatin1(descriptionFormat).arg(QLatin1String(qVersion()),
clang::libClangVersion().toString());
parser.setApplicationDescription(description);
parser.addHelpOption();
parser.addVersionOption();
QCommandLineOption verboseOption(QStringLiteral("verbose"),
QStringLiteral("Display verbose output about types"));
parser.addOption(verboseOption);
QCommandLineOption debugOption(QStringLiteral("debug"),
QStringLiteral("Display debug output"));
parser.addOption(debugOption);
QCommandLineOption languageLevelOption(QStringLiteral("std"),
languageLevelDescription(),
QStringLiteral("level"));
parser.addOption(languageLevelOption);
parser.addPositionalArgument(QStringLiteral("argument"),
QStringLiteral("C++ compiler argument"),
QStringLiteral("argument(s)"));
parser.process(app);
const QStringList &positionalArguments = parser.positionalArguments();
if (positionalArguments.isEmpty())
parser.showHelp(1);
QByteArrayList arguments;
std::transform(positionalArguments.cbegin(), positionalArguments.cend(),
std::back_inserter(arguments), QFile::encodeName);
LanguageLevel level = LanguageLevel::Default;
if (parser.isSet(languageLevelOption)) {
const QByteArray value = parser.value(languageLevelOption).toLatin1();
level = clang::languageLevelFromOption(value.constData());
if (level == LanguageLevel::Default) {
std::cerr << "Invalid value \"" << value.constData()
<< "\" for language level option.\n";
return -2;
}
}
const FileModelItem dom = AbstractMetaBuilderPrivate::buildDom(arguments, level, 0);
if (dom.isNull()) {
QString message = QLatin1String("Unable to parse ") + positionalArguments.join(QLatin1Char(' '));
std::cerr << qPrintable(message) << '\n';
return -2;
}
if (parser.isSet(debugOption))
formatDebugOutput(dom, parser.isSet(verboseOption));
else
formatXmlOutput(dom);
return 0;
}
|
