Change header guards to "#pragma once"

Change-Id: I30c3f0b9870144e850f43a3a5634940e2542ecb2
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

12 files changed, 13 insertions, 49 deletions

diff --git a/app/perfattributes.h b/app/perfattributes.h
index 19c2f8f..ef02ce6 100644
--- a/app/perfattributes.h
+++ b/app/perfattributes.h
@@ -18,8 +18,7 @@
 **
 ****************************************************************************/
 
-#ifndef PERFATTRIBUTES_H
-#define PERFATTRIBUTES_H
+#pragma once
 
 #include "perffilesection.h"
 #include "perfheader.h"
@@ -290,5 +289,3 @@ private:
     PerfEventAttributes m_globalAttributes;
     QHash<quint64, PerfEventAttributes> m_attributes;
 };
-
-#endif // PERFATTRIBUTES_H
diff --git a/app/perfdata.h b/app/perfdata.h
index b6c1861..0d44a9f 100644
--- a/app/perfdata.h
+++ b/app/perfdata.h
@@ -18,8 +18,7 @@
 **
 ****************************************************************************/
 
-#ifndef PERFDATA_H
-#define PERFDATA_H
+#pragma once
 
 #include "perfheader.h"
 #include "perfattributes.h"
@@ -487,5 +486,3 @@ private:
     ReadStatus processEvents(QDataStream &stream);
     ReadStatus doRead();
 };
-
-#endif // PERFDATA_H
diff --git a/app/perfelfmap.h b/app/perfelfmap.h
index 47c6fe5..a9af9f9 100644
--- a/app/perfelfmap.h
+++ b/app/perfelfmap.h
@@ -18,8 +18,7 @@
 **
 ****************************************************************************/
 
-#ifndef PERFELFMAP_H
-#define PERFELFMAP_H
+#pragma once
 
 #include <QFileInfo>
 #include <QVector>
@@ -94,5 +93,3 @@ Q_DECLARE_TYPEINFO(PerfElfMap::ElfInfo, Q_MOVABLE_TYPE);
 QT_END_NAMESPACE
 
 QDebug operator<<(QDebug stream, const PerfElfMap::ElfInfo& info);
-
-#endif
diff --git a/app/perffeatures.h b/app/perffeatures.h
index e1563a2..de96850 100644
--- a/app/perffeatures.h
+++ b/app/perffeatures.h
@@ -18,8 +18,7 @@
 **
 ****************************************************************************/
 
-#ifndef PERFFEATURE_H
-#define PERFFEATURE_H
+#pragma once
 
 #include "perfheader.h"
 #include "perfattributes.h"
@@ -203,5 +202,3 @@ private:
     PerfPmuMappings m_pmuMappings;
     PerfGroupDesc m_groupDesc;
 };
-
-#endif // PERFFEATURE_H
diff --git a/app/perffilesection.h b/app/perffilesection.h
index 78b706f..e89e7bd 100644
--- a/app/perffilesection.h
+++ b/app/perffilesection.h
@@ -18,8 +18,7 @@
 **
 ****************************************************************************/
 
-#ifndef PERFFILESECTION_H
-#define PERFFILESECTION_H
+#pragma once
 
 #include <QDataStream>
 
@@ -32,5 +31,3 @@ struct PerfFileSection {
 };
 
 QDataStream &operator>>(QDataStream &stream, PerfFileSection &section);
-
-#endif // PERFFILESECTION_H
diff --git a/app/perfheader.h b/app/perfheader.h
index fdc01ec..1c65bbe 100644
--- a/app/perfheader.h
+++ b/app/perfheader.h
@@ -18,8 +18,7 @@
 **
 ****************************************************************************/
 
-#ifndef PERFHEADER_H
-#define PERFHEADER_H
+#pragma once
 
 #include "perffilesection.h"
 
@@ -97,5 +96,3 @@ private:
     static const qint64 s_pipeHeaderSize = 16LL;
     static const qint64 s_perfHeaderSize = 104LL;
 };
-
-#endif // PERFHEADER_H
diff --git a/app/perfkallsyms.h b/app/perfkallsyms.h
index efce043..9e26b42 100644
--- a/app/perfkallsyms.h
+++ b/app/perfkallsyms.h
@@ -17,8 +17,7 @@
 **
 ****************************************************************************/
 
-#ifndef PERFKALLSYMS_H
-#define PERFKALLSYMS_H
+#pragma once
 
 #include <QCoreApplication>
 #include <QByteArray>
@@ -49,6 +48,3 @@ private:
     QVector<PerfKallsymEntry> m_entries;
     QString m_errorString;
 };
-
-#endif // PERFKALLSYMS_H
-
diff --git a/app/perfregisterinfo.h b/app/perfregisterinfo.h
index fd6a64e..5668426 100644
--- a/app/perfregisterinfo.h
+++ b/app/perfregisterinfo.h
@@ -18,8 +18,7 @@
 **
 ****************************************************************************/
 
-#ifndef PERFREGISTERINFO_H
-#define PERFREGISTERINFO_H
+#pragma once
 
 #include <QtGlobal>
 
@@ -64,5 +63,3 @@ public:
     // default architecture for the system which was used for compilation
     static QByteArray defaultArchitecture();
 };
-
-#endif // PERFREGISTERINFO_H
diff --git a/app/perfstdin.h b/app/perfstdin.h
index e272b23..4b4d723 100644
--- a/app/perfstdin.h
+++ b/app/perfstdin.h
@@ -18,8 +18,7 @@
 **
 ****************************************************************************/
 
-#ifndef PERFSTDIN_H
-#define PERFSTDIN_H
+#pragma once
 
 #include <QIODevice>
 
@@ -34,5 +33,3 @@ protected:
     qint64 readData(char *data, qint64 maxlen) override;
     qint64 writeData(const char *data, qint64 len) override;
 };
-
-#endif // PERFSTDIN_H
diff --git a/app/perfsymboltable.h b/app/perfsymboltable.h
index 80394ff..f846a4b 100644
--- a/app/perfsymboltable.h
+++ b/app/perfsymboltable.h
@@ -22,8 +22,8 @@
 ** be met: https://www.gnu.org/licenses/gpl-3.0.html.
 **
 ****************************************************************************/
-#ifndef PERFSYMBOLTABLE_H
-#define PERFSYMBOLTABLE_H
+
+#pragma once
 
 #include "perfdata.h"
 #include "perfunwind.h"
@@ -114,5 +114,3 @@ QT_BEGIN_NAMESPACE
 Q_DECLARE_TYPEINFO(PerfSymbolTable::PerfMapSymbol, Q_MOVABLE_TYPE);
 Q_DECLARE_TYPEINFO(PerfSymbolTable::DieAndLocation, Q_MOVABLE_TYPE);
 QT_END_NAMESPACE
-
-#endif // PERFSYMBOLTABLE_H
diff --git a/app/perftracingdata.h b/app/perftracingdata.h
index 7d0f549..18dbb10 100644
--- a/app/perftracingdata.h
+++ b/app/perftracingdata.h
@@ -18,8 +18,7 @@
 **
 ****************************************************************************/
 
-#ifndef PERFTRACINGDATA_H
-#define PERFTRACINGDATA_H
+#pragma once
 
 #include <QByteArray>
 #include <QVector>
@@ -104,5 +103,3 @@ private:
 };
 
 QDataStream &operator>>(QDataStream &stream, PerfTracingData &record);
-
-#endif // PERFTRACINGDATA_H
diff --git a/app/perfunwind.h b/app/perfunwind.h
index a43bbcd..d381d8c 100644
--- a/app/perfunwind.h
+++ b/app/perfunwind.h
@@ -18,8 +18,7 @@
 **
 ****************************************************************************/
 
-#ifndef PERFUNWIND_H
-#define PERFUNWIND_H
+#pragma once
 
 #include "perfdata.h"
 #include "perfregisterinfo.h"
@@ -303,5 +302,3 @@ private:
 
 uint qHash(const PerfUnwind::Location &location, uint seed = 0);
 bool operator==(const PerfUnwind::Location &a, const PerfUnwind::Location &b);
-
-#endif // PERFUNWIND_H