QmlJS: Update gen-parser.sh

Try to minimize differences on sync

Change-Id: I9af325911b1a6a7635099cb3a5c778305e5e6223
Reviewed-by: Marco Benelli <marco.benelli@qt.io>
Reviewed-by: hjk <hjk@qt.io>

src/libs/qmljs/parser/cmd.sed

@@ -4,6 +4,7 @@ s/QDECLARATIVE/QML/g
 s/QQml/Qml/g
 s/QQMLJS/QMLJS/g
 s/Q_QML_EXPORT //g
+s/Q_QML_PRIVATE_EXPORT/QML_PARSER_EXPORT/
 
 # adjust pri file
 s/    \$\$PWD\/qmljsglobal_p.h/    $$PWD\/qmljsglobal_p.h \\\
@@ -12,3 +13,4 @@ s/    \$\$PWD\/qmljsglobal_p.h/    $$PWD\/qmljsglobal_p.h \\\
 s/    \$\$PWD\/qmljsparser.cpp/    $$PWD\/qmljsparser.cpp \\\
     $$PWD\/qmldirparser.cpp \\\
     $$PWD\/qmlerror.cpp/
+s/OTHER_FILES/DISTFILES/

src/libs/qmljs/parser/gen-parser.sh

@@ -10,10 +10,17 @@
 # cd src/libs/qmljs/parser
 # QTDIR=~/path/to/qtdeclarative-checkout ./gen-parser.sh
 
+if [ -z "$QTDIR" ]; then
+  echo "Usage: QTDIR=~/path/to/qtdeclarative-checkout $0" 1>&2
+  exit 1
+fi
+
 me=$(dirname $0)
 
 for i in $QTDIR/src/qml/parser/*.{g,h,cpp,pri}; do
-    sed -f $me/cmd.sed $i > $me/$(echo $(basename $i) | sed s/qqmljs/qmljs/)
+    if ! echo $i | grep -q qmljsglobal; then
+        sed -f $me/cmd.sed $i > $me/$(echo $(basename $i) | sed s/qqmljs/qmljs/)
+    fi
 done
 
 for i in $QTDIR/src/qml/qml/qqml{error.{h,cpp},dirparser{_p.h,.cpp}}; do
@@ -35,6 +42,10 @@ perl -p -0777 -i -e 's/#include \<QtQml\/qtqmlglobal.h\>//' qmlerror.h
 # replace private/qhashedstring_p.h include and QHashedStringRef
 perl -p -0777 -i -e 's/#include \<private\/qhashedstring_p.h\>//' qmldirparser_p.h
 perl -p -0777 -i -e 's/QHashedStringRef/QString/g' qmldirparser_p.h qmldirparser.cpp
+# replace include guards with #pragma once
+for i in *.h; do
+    grep -q generate $i || perl -p -0777 -i -e 's/#ifndef ([A-Z_]*)\n#define \1\n*([\s\S]*)\n#endif( \/\/ .*)?/#pragma once\n\n\2/' $i
+done
 # don't use the new QVarLengthArray::length()
 sed -i -e 's/chars.length()/chars.size()/' $me/qmljslexer.cpp
 sed -i -e 's/DiagnosticMessage::Error/Severity::Error/g' $me/qmljsparser.cpp
@@ -43,6 +54,8 @@ sed -i -e 's/DiagnosticMessage::Warning/Severity::Warning/g' $me/qmljsparser_p.h
 sed -i -e 's|#include <private/qv4errorobject_p.h>||g' $me/qmlerror.cpp
 sed -i -e 's|#include <QtCore/qstring.h>|#include <QString>|g' $me/qmljsengine_p.h
 sed -i -e 's|#include <QtCore/qset.h>|#include <QSet>|g' $me/qmljsengine_p.h
+sed -i -e 's/qt_qnan/qQNaN/' $me/qmljsengine_p.cpp
+sed -i -e 's|#include <QtCore/private/qnumeric_p.h>|#include <QtCore/qnumeric.h>|' $me/qmljsengine_p.cpp
 perl -p -0777 -i -e 's/QT_QML_BEGIN_NAMESPACE/#include <qmljs\/qmljsconstants.h>\nQT_QML_BEGIN_NAMESPACE/' qmljsengine_p.h
 
 ./changeLicense.py $me/../qmljs_global.h qml*.{cpp,h}