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321 lines
10 KiB
321 lines
10 KiB
/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt 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 Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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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 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QMETAOBJECT_P_H
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#define QMETAOBJECT_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists for the convenience
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// of moc. This header file may change from version to version without notice,
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// or even be removed.
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//
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// We mean it.
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//
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#include <QtCore/qglobal.h>
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#include <QtCore/qobjectdefs.h>
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QT_BEGIN_NAMESPACE
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enum PropertyFlags {
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Invalid = 0x00000000,
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Readable = 0x00000001,
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Writable = 0x00000002,
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Resettable = 0x00000004,
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EnumOrFlag = 0x00000008,
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StdCppSet = 0x00000100,
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// Override = 0x00000200,
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Constant = 0x00000400,
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Final = 0x00000800,
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Designable = 0x00001000,
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ResolveDesignable = 0x00002000,
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Scriptable = 0x00004000,
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ResolveScriptable = 0x00008000,
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Stored = 0x00010000,
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ResolveStored = 0x00020000,
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Editable = 0x00040000,
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ResolveEditable = 0x00080000,
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User = 0x00100000,
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ResolveUser = 0x00200000,
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Notify = 0x00400000
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};
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enum MethodFlags {
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AccessPrivate = 0x00,
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AccessProtected = 0x01,
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AccessPublic = 0x02,
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AccessMask = 0x03, //mask
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MethodMethod = 0x00,
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MethodSignal = 0x04,
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MethodSlot = 0x08,
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MethodConstructor = 0x0c,
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MethodTypeMask = 0x0c,
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MethodCompatibility = 0x10,
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MethodCloned = 0x20,
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MethodScriptable = 0x40
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};
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enum MetaObjectFlags {
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DynamicMetaObject = 0x01
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};
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class QMutex;
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struct QMetaObjectPrivate
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{
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int revision;
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int className;
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int classInfoCount, classInfoData;
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int methodCount, methodData;
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int propertyCount, propertyData;
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int enumeratorCount, enumeratorData;
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int constructorCount, constructorData; //since revision 2
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int flags; //since revision 3
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int signalCount; //since revision 4
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// revision 5 introduces changes in normalized signatures, no new members
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static inline const QMetaObjectPrivate *get(const QMetaObject *metaobject)
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{ return reinterpret_cast<const QMetaObjectPrivate*>(metaobject->d.data); }
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static int indexOfSignalRelative(const QMetaObject **baseObject,
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const char* name,
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bool normalizeStringData);
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static int indexOfSlot(const QMetaObject *m,
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const char *slot,
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bool normalizeStringData);
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static int originalClone(const QMetaObject *obj, int local_method_index);
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#ifndef QT_NO_QOBJECT
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//defined in qobject.cpp
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enum DisconnectType { DisconnectAll, DisconnectOne };
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static bool connect(const QObject *sender, int signal_index,
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const QObject *receiver, int method_index,
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int type = 0, int *types = 0);
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static bool disconnect(const QObject *sender, int signal_index,
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const QObject *receiver, int method_index,
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DisconnectType = DisconnectAll);
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static inline bool disconnectHelper(QObjectPrivate::Connection *c,
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const QObject *receiver, int method_index,
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QMutex *senderMutex, DisconnectType);
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#endif
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};
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#ifndef UTILS_H
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// mirrored in moc's utils.h
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static inline bool is_ident_char(char s)
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{
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return ((s >= 'a' && s <= 'z')
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|| (s >= 'A' && s <= 'Z')
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|| (s >= '0' && s <= '9')
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|| s == '_'
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);
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}
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static inline bool is_space(char s)
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{
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return (s == ' ' || s == '\t');
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}
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#endif
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// This code is shared with moc.cpp
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static QByteArray normalizeTypeInternal(const char *t, const char *e, bool fixScope = false, bool adjustConst = true)
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{
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int len = e - t;
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/*
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Convert 'char const *' into 'const char *'. Start at index 1,
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not 0, because 'const char *' is already OK.
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*/
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QByteArray constbuf;
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for (int i = 1; i < len; i++) {
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if ( t[i] == 'c'
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&& strncmp(t + i + 1, "onst", 4) == 0
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&& (i + 5 >= len || !is_ident_char(t[i + 5]))
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&& !is_ident_char(t[i-1])
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) {
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constbuf = QByteArray(t, len);
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if (is_space(t[i-1]))
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constbuf.remove(i-1, 6);
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else
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constbuf.remove(i, 5);
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constbuf.prepend("const ");
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t = constbuf.data();
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e = constbuf.data() + constbuf.length();
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break;
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}
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/*
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We musn't convert 'char * const *' into 'const char **'
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and we must beware of 'Bar<const Bla>'.
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*/
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if (t[i] == '&' || t[i] == '*' ||t[i] == '<')
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break;
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}
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if (adjustConst && e > t + 6 && strncmp("const ", t, 6) == 0) {
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if (*(e-1) == '&') { // treat const reference as value
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t += 6;
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--e;
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} else if (is_ident_char(*(e-1)) || *(e-1) == '>') { // treat const value as value
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t += 6;
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}
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}
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QByteArray result;
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result.reserve(len);
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#if 1
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// consume initial 'const '
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if (strncmp("const ", t, 6) == 0) {
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t+= 6;
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result += "const ";
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}
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#endif
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// some type substitutions for 'unsigned x'
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if (strncmp("unsigned", t, 8) == 0) {
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// make sure "unsigned" is an isolated word before making substitutions
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if (!t[8] || !is_ident_char(t[8])) {
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if (strncmp(" int", t+8, 4) == 0) {
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t += 8+4;
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result += "uint";
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} else if (strncmp(" long", t+8, 5) == 0) {
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if ((strlen(t + 8 + 5) < 4 || strncmp(t + 8 + 5, " int", 4) != 0) // preserve '[unsigned] long int'
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&& (strlen(t + 8 + 5) < 5 || strncmp(t + 8 + 5, " long", 5) != 0) // preserve '[unsigned] long long'
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) {
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t += 8+5;
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result += "ulong";
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}
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} else if (strncmp(" short", t+8, 6) != 0 // preserve unsigned short
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&& strncmp(" char", t+8, 5) != 0) { // preserve unsigned char
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// treat rest (unsigned) as uint
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t += 8;
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result += "uint";
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}
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}
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} else {
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// discard 'struct', 'class', and 'enum'; they are optional
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// and we don't want them in the normalized signature
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struct {
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const char *keyword;
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int len;
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} optional[] = {
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{ "struct ", 7 },
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{ "class ", 6 },
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{ "enum ", 5 },
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{ 0, 0 }
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};
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int i = 0;
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do {
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if (strncmp(optional[i].keyword, t, optional[i].len) == 0) {
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t += optional[i].len;
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break;
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}
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} while (optional[++i].keyword != 0);
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}
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bool star = false;
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while (t != e) {
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char c = *t++;
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if (fixScope && c == ':' && *t == ':' ) {
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++t;
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c = *t++;
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int i = result.size() - 1;
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while (i >= 0 && is_ident_char(result.at(i)))
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--i;
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result.resize(i + 1);
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}
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star = star || c == '*';
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result += c;
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if (c == '<') {
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//template recursion
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const char* tt = t;
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int templdepth = 1;
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while (t != e) {
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c = *t++;
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if (c == '<')
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++templdepth;
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if (c == '>')
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--templdepth;
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if (templdepth == 0 || (templdepth == 1 && c == ',')) {
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result += normalizeTypeInternal(tt, t-1, fixScope, false);
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result += c;
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if (templdepth == 0) {
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if (*t == '>')
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result += ' '; // avoid >>
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break;
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}
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tt = t;
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}
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}
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}
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// cv qualifers can appear after the type as well
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if (!is_ident_char(c) && t != e && (e - t >= 5 && strncmp("const", t, 5) == 0)
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&& (e - t == 5 || !is_ident_char(t[5]))) {
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t += 5;
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while (t != e && is_space(*t))
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++t;
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if (adjustConst && t != e && *t == '&') {
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// treat const ref as value
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++t;
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} else if (adjustConst && !star) {
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// treat const as value
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} else if (!star) {
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// move const to the front (but not if const comes after a *)
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result.prepend("const ");
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} else {
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// keep const after a *
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result += "const";
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}
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}
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}
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return result;
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}
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QT_END_NAMESPACE
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#endif
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