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Diffstat (limited to 'util/glgen/specparser.h')
| -rw-r--r-- | util/glgen/specparser.h | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/util/glgen/specparser.h b/util/glgen/specparser.h new file mode 100644 index 0000000000..e455f6579c --- /dev/null +++ b/util/glgen/specparser.h @@ -0,0 +1,209 @@ +/*************************************************************************** +** +** Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB) +** Contact: http://www.qt-project.org/legal +** +** This file is part of the utilities of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** 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, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef SPECPARSER_H +#define SPECPARSER_H + +#include <QStringList> +#include <QVariant> + +class QTextStream; + +struct Version { + int major; + int minor; +}; + +inline bool operator == (const Version &lhs, const Version &rhs) +{ + return (lhs.major == rhs.major && lhs.minor == rhs.minor); +} + +inline bool operator < (const Version &lhs, const Version &rhs) +{ + if (lhs.major != rhs.major) + return (lhs.major < rhs.major); + else + return (lhs.minor < rhs.minor); +} + +inline bool operator > (const Version &lhs, const Version &rhs) +{ + if (lhs.major != rhs.major) + return (lhs.major > rhs.major); + else + return (lhs.minor > rhs.minor); +} + +inline uint qHash(const Version &v) +{ + return qHash(v.major * 100 + v.minor * 10); +} + +struct VersionProfile +{ + enum OpenGLProfile { + CoreProfile = 0, + CompatibilityProfile + }; + + inline bool hasProfiles() const + { + return ( version.major > 3 + || (version.major == 3 && version.minor > 1)); + } + + Version version; + OpenGLProfile profile; +}; + +inline bool operator == (const VersionProfile &lhs, const VersionProfile &rhs) +{ + if (lhs.profile != rhs.profile) + return false; + return lhs.version == rhs.version; +} + +inline bool operator < (const VersionProfile &lhs, const VersionProfile &rhs) +{ + if (lhs.profile != rhs.profile) + return (lhs.profile < rhs.profile); + return (lhs.version < rhs.version); +} + +inline uint qHash(const VersionProfile &v) +{ + return qHash(static_cast<int>(v.profile * 1000) + v.version.major * 100 + v.version.minor * 10); +} + +struct Argument +{ + enum Direction { + In = 0, + Out + }; + + enum Mode { + Value = 0, + Array, + Reference + }; + + QString type; + QString name; + Direction direction; + Mode mode; +}; + +struct Function +{ + QString returnType; + QString name; + QList<Argument> arguments; +}; + +typedef QList<Function> FunctionList; +typedef QMap<VersionProfile, FunctionList> FunctionCollection; + +class SpecParser +{ +public: + explicit SpecParser(); + + QString specFileName() const + { + return m_specFileName; + } + + QString typeMapFileName() const + { + return m_typeMapFileName; + } + + QList<Version> versions() const {return m_versions;} + QList<VersionProfile> versionProfiles() const {return m_functions.uniqueKeys();} + + QList<Function> functionsForVersion(const VersionProfile &v) const + { + return m_functions.values(v); + } + + QStringList extensions() const + { + return QStringList(m_extensionFunctions.uniqueKeys()); + } + + QList<Function> functionsForExtension(const QString &extension) + { + return m_extensionFunctions.values(extension); + } + + void setSpecFileName(QString arg) + { + m_specFileName = arg; + } + + void setTypeMapFileName(QString arg) + { + m_typeMapFileName = arg; + } + + void parse(); + +protected: + bool parseTypeMap(); + void parseEnums(); + void parseFunctions(QTextStream &stream); + +private: + QString m_specFileName; + QString m_typeMapFileName; + + QMap<QString, QString> m_typeMap; + QMultiMap<VersionProfile, Function> m_functions; + + QList<Version> m_versions; + + // Extension support + QMultiMap<QString, Function> m_extensionFunctions; +}; + +#endif // SPECPARSER_H |