479 lines
21 KiB
C++
479 lines
21 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the qmake application of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef PROITEMS_H
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#define PROITEMS_H
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#include "qmake_global.h"
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#include <qdebug.h>
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#include <qstring.h>
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#include <qvector.h>
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#include <qhash.h>
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QT_BEGIN_NAMESPACE
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class QTextStream;
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#ifdef PROPARSER_THREAD_SAFE
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typedef QAtomicInt ProItemRefCount;
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#else
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class ProItemRefCount {
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public:
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ProItemRefCount(int cnt = 0) : m_cnt(cnt) {}
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bool ref() { return ++m_cnt != 0; }
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bool deref() { return --m_cnt != 0; }
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ProItemRefCount &operator=(int value) { m_cnt = value; return *this; }
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private:
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int m_cnt;
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};
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#endif
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#ifndef QT_BUILD_QMAKE
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# define PROITEM_EXPLICIT explicit
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#else
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# define PROITEM_EXPLICIT
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#endif
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class ProKey;
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class ProStringList;
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class ProFile;
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class ProString {
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public:
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ProString();
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ProString(const ProString &other);
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ProString &operator=(const ProString &) = default;
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PROITEM_EXPLICIT ProString(const QString &str);
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PROITEM_EXPLICIT ProString(const QStringRef &str);
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PROITEM_EXPLICIT ProString(const char *str);
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ProString(const QString &str, int offset, int length);
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void setValue(const QString &str);
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void clear() { m_string.clear(); m_length = 0; }
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ProString &setSource(const ProString &other) { m_file = other.m_file; return *this; }
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ProString &setSource(int id) { m_file = id; return *this; }
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int sourceFile() const { return m_file; }
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ProString &prepend(const ProString &other);
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ProString &append(const ProString &other, bool *pending = nullptr);
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ProString &append(const QString &other) { return append(ProString(other)); }
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ProString &append(const QLatin1String other);
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ProString &append(const char *other) { return append(QLatin1String(other)); }
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ProString &append(QChar other);
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ProString &append(const ProStringList &other, bool *pending = nullptr, bool skipEmpty1st = false);
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ProString &operator+=(const ProString &other) { return append(other); }
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ProString &operator+=(const QString &other) { return append(other); }
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ProString &operator+=(const QLatin1String other) { return append(other); }
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ProString &operator+=(const char *other) { return append(other); }
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ProString &operator+=(QChar other) { return append(other); }
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void chop(int n) { Q_ASSERT(n <= m_length); m_length -= n; }
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void chopFront(int n) { Q_ASSERT(n <= m_length); m_offset += n; m_length -= n; }
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bool operator==(const ProString &other) const { return toQStringRef() == other.toQStringRef(); }
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bool operator==(const QString &other) const { return toQStringRef() == other; }
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bool operator==(const QStringRef &other) const { return toQStringRef() == other; }
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bool operator==(QLatin1String other) const { return toQStringRef() == other; }
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bool operator==(const char *other) const { return toQStringRef() == QLatin1String(other); }
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bool operator!=(const ProString &other) const { return !(*this == other); }
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bool operator!=(const QString &other) const { return !(*this == other); }
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bool operator!=(QLatin1String other) const { return !(*this == other); }
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bool operator!=(const char *other) const { return !(*this == other); }
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bool operator<(const ProString &other) const { return toQStringRef() < other.toQStringRef(); }
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bool isNull() const { return m_string.isNull(); }
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bool isEmpty() const { return !m_length; }
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int length() const { return m_length; }
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int size() const { return m_length; }
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QChar at(int i) const { Q_ASSERT((uint)i < (uint)m_length); return constData()[i]; }
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const QChar *constData() const { return m_string.constData() + m_offset; }
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ProString mid(int off, int len = -1) const;
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ProString left(int len) const { return mid(0, len); }
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ProString right(int len) const { return mid(qMax(0, size() - len)); }
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ProString trimmed() const;
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int compare(const ProString &sub, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return toQStringRef().compare(sub.toQStringRef(), cs); }
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int compare(const QString &sub, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return toQStringRef().compare(sub, cs); }
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int compare(const char *sub, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return toQStringRef().compare(QLatin1String(sub), cs); }
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bool startsWith(const ProString &sub, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return toQStringRef().startsWith(sub.toQStringRef(), cs); }
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bool startsWith(const QString &sub, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return toQStringRef().startsWith(sub, cs); }
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bool startsWith(const char *sub, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return toQStringRef().startsWith(QLatin1String(sub), cs); }
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bool startsWith(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return toQStringRef().startsWith(c, cs); }
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bool endsWith(const ProString &sub, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return toQStringRef().endsWith(sub.toQStringRef(), cs); }
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bool endsWith(const QString &sub, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return toQStringRef().endsWith(sub, cs); }
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bool endsWith(const char *sub, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return toQStringRef().endsWith(QLatin1String(sub), cs); }
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bool endsWith(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return toQStringRef().endsWith(c, cs); }
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int indexOf(const QString &s, int from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return toQStringRef().indexOf(s, from, cs); }
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int indexOf(const char *s, int from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return toQStringRef().indexOf(QLatin1String(s), from, cs); }
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int indexOf(QChar c, int from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return toQStringRef().indexOf(c, from, cs); }
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int lastIndexOf(const QString &s, int from = -1, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return toQStringRef().lastIndexOf(s, from, cs); }
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int lastIndexOf(const char *s, int from = -1, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return toQStringRef().lastIndexOf(QLatin1String(s), from, cs); }
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int lastIndexOf(QChar c, int from = -1, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return toQStringRef().lastIndexOf(c, from, cs); }
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bool contains(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return indexOf(s, 0, cs) >= 0; }
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bool contains(const char *s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return indexOf(QLatin1String(s), 0, cs) >= 0; }
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bool contains(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const { return indexOf(c, 0, cs) >= 0; }
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qlonglong toLongLong(bool *ok = nullptr, int base = 10) const { return toQStringRef().toLongLong(ok, base); }
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int toInt(bool *ok = nullptr, int base = 10) const { return toQStringRef().toInt(ok, base); }
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short toShort(bool *ok = nullptr, int base = 10) const { return toQStringRef().toShort(ok, base); }
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uint hash() const { return m_hash; }
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static uint hash(const QChar *p, int n);
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ALWAYS_INLINE QStringRef toQStringRef() const { return QStringRef(&m_string, m_offset, m_length); }
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ALWAYS_INLINE QStringView toQStringView() const { return QStringView(m_string).mid(m_offset, m_length); }
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ALWAYS_INLINE ProKey &toKey() { return *(ProKey *)this; }
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ALWAYS_INLINE const ProKey &toKey() const { return *(const ProKey *)this; }
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QString toQString() const;
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QString &toQString(QString &tmp) const;
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QByteArray toLatin1() const { return toQStringRef().toLatin1(); }
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private:
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ProString(const ProKey &other);
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ProString &operator=(const ProKey &other);
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enum OmitPreHashing { NoHash };
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ProString(const ProString &other, OmitPreHashing);
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enum DoPreHashing { DoHash };
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ALWAYS_INLINE ProString(const QString &str, DoPreHashing);
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ALWAYS_INLINE ProString(const char *str, DoPreHashing);
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ALWAYS_INLINE ProString(const QString &str, int offset, int length, DoPreHashing);
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ALWAYS_INLINE ProString(const QString &str, int offset, int length, uint hash);
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QString m_string;
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int m_offset, m_length;
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int m_file;
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mutable uint m_hash;
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QChar *prepareExtend(int extraLen, int thisTarget, int extraTarget);
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uint updatedHash() const;
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friend uint qHash(const ProString &str);
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friend QString operator+(const ProString &one, const ProString &two);
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friend class ProKey;
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};
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Q_DECLARE_TYPEINFO(ProString, Q_MOVABLE_TYPE);
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class ProKey : public ProString {
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public:
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ALWAYS_INLINE ProKey() : ProString() {}
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explicit ProKey(const QString &str);
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PROITEM_EXPLICIT ProKey(const char *str);
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ProKey(const QString &str, int off, int len);
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ProKey(const QString &str, int off, int len, uint hash);
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void setValue(const QString &str);
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#ifdef Q_CC_MSVC
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// Workaround strange MSVC behaviour when exporting classes with ProKey members.
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ALWAYS_INLINE ProKey(const ProKey &other) : ProString(other.toString()) {}
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ALWAYS_INLINE ProKey &operator=(const ProKey &other)
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{
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toString() = other.toString();
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return *this;
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}
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#endif
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ALWAYS_INLINE ProString &toString() { return *(ProString *)this; }
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ALWAYS_INLINE const ProString &toString() const { return *(const ProString *)this; }
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private:
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ProKey(const ProString &other);
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};
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Q_DECLARE_TYPEINFO(ProKey, Q_MOVABLE_TYPE);
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uint qHash(const ProString &str);
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QString operator+(const ProString &one, const ProString &two);
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inline QString operator+(const ProString &one, const QString &two)
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{ return one.toQStringRef() + two; }
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inline QString operator+(const QString &one, const ProString &two)
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{ return one + two.toQStringRef(); }
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inline QString operator+(const ProString &one, const char *two)
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{ return one.toQStringRef() + QLatin1String(two); }
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inline QString operator+(const char *one, const ProString &two)
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{ return QLatin1String(one) + two.toQStringRef(); }
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inline QString operator+(const ProString &one, QChar two)
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{ return one.toQStringRef() + two; }
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inline QString operator+(QChar one, const ProString &two)
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{ return one + two.toQStringRef(); }
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inline QString &operator+=(QString &that, const ProString &other)
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{ return that += other.toQStringRef(); }
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inline bool operator==(const QString &that, const ProString &other)
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{ return other == that; }
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inline bool operator!=(const QString &that, const ProString &other)
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{ return !(other == that); }
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QTextStream &operator<<(QTextStream &t, const ProString &str);
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// This class manages read-only access to a ProString via a raw data QString
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// temporary, ensuring that the latter is accessed exclusively.
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class ProStringRoUser
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{
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public:
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ProStringRoUser(QString &rs)
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{
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Q_ASSERT(rs.isDetached() || rs.isEmpty());
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m_rs = &rs;
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}
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ProStringRoUser(const ProString &ps, QString &rs)
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: ProStringRoUser(rs)
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{
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ps.toQString(rs);
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}
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// No destructor, as a RAII pattern cannot be used: references to the
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// temporary string can legitimately outlive instances of this class
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// (if they are held by Qt, e.g. in QRegExp).
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QString &set(const ProString &ps) { return ps.toQString(*m_rs); }
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QString &str() { return *m_rs; }
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protected:
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QString *m_rs;
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};
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// This class manages read-write access to a ProString via a raw data QString
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// temporary, ensuring that the latter is accessed exclusively, and that raw
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// data does not leak outside its source's refcounting.
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class ProStringRwUser : public ProStringRoUser
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{
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public:
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ProStringRwUser(QString &rs)
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: ProStringRoUser(rs), m_ps(nullptr) {}
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ProStringRwUser(const ProString &ps, QString &rs)
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: ProStringRoUser(ps, rs), m_ps(&ps) {}
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QString &set(const ProString &ps) { m_ps = &ps; return ProStringRoUser::set(ps); }
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ProString extract(const QString &s) const
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{ return s.isSharedWith(*m_rs) ? *m_ps : ProString(s).setSource(*m_ps); }
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ProString extract(const QString &s, const ProStringRwUser &other) const
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{
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if (other.m_ps && s.isSharedWith(*other.m_rs))
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return *other.m_ps;
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return extract(s);
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}
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private:
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const ProString *m_ps;
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};
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class ProStringList : public QVector<ProString> {
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public:
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ProStringList() {}
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ProStringList(const ProString &str) { *this << str; }
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explicit ProStringList(const QStringList &list);
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QStringList toQStringList() const;
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ProStringList &operator<<(const ProString &str)
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{ QVector<ProString>::operator<<(str); return *this; }
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int length() const { return size(); }
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QString join(const ProString &sep) const;
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QString join(const QString &sep) const;
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QString join(QChar sep) const;
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void insertUnique(const ProStringList &value);
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void removeAll(const ProString &str);
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void removeAll(const char *str);
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void removeEach(const ProStringList &value);
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void removeAt(int idx) { remove(idx); }
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void removeEmpty();
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void removeDuplicates();
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bool contains(const ProString &str, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
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bool contains(const QStringRef &str, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
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bool contains(const QString &str, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
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{ return contains(ProString(str), cs); }
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bool contains(const char *str, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
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};
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Q_DECLARE_TYPEINFO(ProStringList, Q_MOVABLE_TYPE);
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inline ProStringList operator+(const ProStringList &one, const ProStringList &two)
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{ ProStringList ret = one; ret += two; return ret; }
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typedef QHash<ProKey, ProStringList> ProValueMap;
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// These token definitions affect both ProFileEvaluator and ProWriter
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enum ProToken {
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TokTerminator = 0, // end of stream (possibly not included in length; must be zero)
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TokLine, // line marker:
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// - line (1)
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TokAssign, // variable =
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TokAppend, // variable +=
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TokAppendUnique, // variable *=
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TokRemove, // variable -=
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TokReplace, // variable ~=
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// previous literal/expansion is a variable manipulation
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// - lower bound for expected output length (1)
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// - value expression + TokValueTerminator
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TokValueTerminator, // assignment value terminator
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TokLiteral, // literal string (fully dequoted)
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// - length (1)
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// - string data (length; unterminated)
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TokHashLiteral, // literal string with hash (fully dequoted)
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// - hash (2)
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// - length (1)
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// - string data (length; unterminated)
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TokVariable, // qmake variable expansion
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// - hash (2)
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// - name length (1)
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// - name (name length; unterminated)
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TokProperty, // qmake property expansion
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// - hash (2)
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// - name length (1)
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// - name (name length; unterminated)
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TokEnvVar, // environment variable expansion
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// - name length (1)
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// - name (name length; unterminated)
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TokFuncName, // replace function expansion
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// - hash (2)
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// - name length (1)
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// - name (name length; unterminated)
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// - ((nested expansion + TokArgSeparator)* + nested expansion)?
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// - TokFuncTerminator
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TokArgSeparator, // function argument separator
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TokFuncTerminator, // function argument list terminator
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TokCondition, // previous literal/expansion is a conditional
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TokTestCall, // previous literal/expansion is a test function call
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// - ((nested expansion + TokArgSeparator)* + nested expansion)?
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// - TokFuncTerminator
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TokReturn, // previous literal/expansion is a return value
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TokBreak, // break loop
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TokNext, // shortcut to next loop iteration
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TokNot, // '!' operator
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TokAnd, // ':' operator
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TokOr, // '|' operator
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TokBranch, // branch point:
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// - then block length (2)
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// - then block + TokTerminator (then block length)
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// - else block length (2)
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// - else block + TokTerminator (else block length)
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TokForLoop, // for loop:
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// - variable name: hash (2), length (1), chars (length)
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// - expression: length (2), bytes + TokValueTerminator (length)
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// - body length (2)
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// - body + TokTerminator (body length)
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TokTestDef, // test function definition:
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TokReplaceDef, // replace function definition:
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// - function name: hash (2), length (1), chars (length)
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// - body length (2)
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// - body + TokTerminator (body length)
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TokBypassNesting, // escape from function local variable scopes:
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// - block length (2)
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// - block + TokTerminator (block length)
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TokMask = 0xff,
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TokQuoted = 0x100, // The expression is quoted => join expanded stringlist
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TokNewStr = 0x200 // Next stringlist element
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};
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class QMAKE_EXPORT ProFile
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{
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public:
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ProFile(int id, const QString &fileName);
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~ProFile();
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int id() const { return m_id; }
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QString fileName() const { return m_fileName; }
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QString directoryName() const { return m_directoryName; }
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const QString &items() const { return m_proitems; }
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QString *itemsRef() { return &m_proitems; }
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const ushort *tokPtr() const { return (const ushort *)m_proitems.constData(); }
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const ushort *tokPtrEnd() const { return (const ushort *)m_proitems.constData() + m_proitems.size(); }
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void ref() { m_refCount.ref(); }
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void deref() { if (!m_refCount.deref()) delete this; }
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bool isOk() const { return m_ok; }
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void setOk(bool ok) { m_ok = ok; }
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bool isHostBuild() const { return m_hostBuild; }
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void setHostBuild(bool host_build) { m_hostBuild = host_build; }
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|
ProString getStr(const ushort *&tPtr);
|
|
ProKey getHashStr(const ushort *&tPtr);
|
|
|
|
private:
|
|
ProItemRefCount m_refCount;
|
|
QString m_proitems;
|
|
QString m_fileName;
|
|
QString m_directoryName;
|
|
int m_id;
|
|
bool m_ok;
|
|
bool m_hostBuild;
|
|
};
|
|
|
|
class ProFunctionDef {
|
|
public:
|
|
ProFunctionDef(ProFile *pro, int offset) : m_pro(pro), m_offset(offset) { m_pro->ref(); }
|
|
ProFunctionDef(const ProFunctionDef &o) : m_pro(o.m_pro), m_offset(o.m_offset) { m_pro->ref(); }
|
|
ProFunctionDef(ProFunctionDef &&other) noexcept
|
|
: m_pro(other.m_pro), m_offset(other.m_offset) { other.m_pro = nullptr; }
|
|
~ProFunctionDef() { if (m_pro) m_pro->deref(); }
|
|
ProFunctionDef &operator=(const ProFunctionDef &o)
|
|
{
|
|
if (this != &o) {
|
|
if (m_pro)
|
|
m_pro->deref();
|
|
m_pro = o.m_pro;
|
|
m_pro->ref();
|
|
m_offset = o.m_offset;
|
|
}
|
|
return *this;
|
|
}
|
|
ProFunctionDef &operator=(ProFunctionDef &&other) noexcept
|
|
{
|
|
ProFunctionDef moved(std::move(other));
|
|
swap(moved);
|
|
return *this;
|
|
}
|
|
void swap(ProFunctionDef &other) noexcept
|
|
{
|
|
qSwap(m_pro, other.m_pro);
|
|
qSwap(m_offset, other.m_offset);
|
|
}
|
|
|
|
ProFile *pro() const { return m_pro; }
|
|
const ushort *tokPtr() const { return m_pro->tokPtr() + m_offset; }
|
|
private:
|
|
ProFile *m_pro;
|
|
int m_offset;
|
|
};
|
|
|
|
Q_DECLARE_TYPEINFO(ProFunctionDef, Q_MOVABLE_TYPE);
|
|
|
|
struct ProFunctionDefs {
|
|
QHash<ProKey, ProFunctionDef> testFunctions;
|
|
QHash<ProKey, ProFunctionDef> replaceFunctions;
|
|
};
|
|
|
|
QDebug operator<<(QDebug debug, const ProString &str);
|
|
|
|
QT_END_NAMESPACE
|
|
|
|
#endif // PROITEMS_H
|