Use const'ref in theses methods

Change-Id: Idfa5ffdcf23d1ef80442276690b8082b8279dbfa
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/libs/qmljs/qmljsimportdependencies.cpp

@@ -58,7 +58,7 @@ ImportKind::Enum toImportKind(ImportType::Enum type)
     return ImportKind::Invalid;
 }
 
-ImportMatchStrength::ImportMatchStrength(QList<int> match)
+ImportMatchStrength::ImportMatchStrength(const QList<int> &match)
     : m_match(match)
 { }
 
@@ -482,7 +482,7 @@ Export::Export()
     : intrinsic(false)
 { }
 
-Export::Export(ImportKey exportName, QString pathRequired, bool intrinsic, const QString &typeName)
+Export::Export(ImportKey exportName, const QString &pathRequired, bool intrinsic, const QString &typeName)
     : exportName(exportName), pathRequired(pathRequired), typeName(typeName), intrinsic(intrinsic)
 { }
 

src/libs/qmljs/qmljsimportdependencies.h

@@ -56,7 +56,7 @@ class QMLJS_EXPORT ImportMatchStrength
 {
 public:
     explicit ImportMatchStrength() {}
-    ImportMatchStrength(QList<int> match);
+    ImportMatchStrength(const QList<int> &match);
 
     int compareMatch(const ImportMatchStrength &o) const;
 
@@ -127,7 +127,7 @@ class QMLJS_EXPORT Export
 public:
     static QString libraryTypeName();
     Export();
-    Export(ImportKey exportName, QString pathRequired, bool intrinsic = false,
+    Export(ImportKey exportName, const QString &pathRequired, bool intrinsic = false,
            const QString &typeName = libraryTypeName());
     ImportKey exportName;
     QString pathRequired;

src/libs/qmljs/qmljslineinfo.h

@@ -94,7 +94,7 @@ protected:
     {
     public:
         Program() {}
-        Program(QTextBlock begin, QTextBlock end)
+        Program(const QTextBlock &begin, const QTextBlock &end)
             : begin(begin), end(end) {}
 
         QTextBlock firstBlock() const { return begin; }

src/libs/qmljs/qmljsviewercontext.cpp

@@ -39,7 +39,7 @@ ViewerContext::ViewerContext()
     : language(Dialect::Qml), flags(AddAllPaths)
 { }
 
-ViewerContext::ViewerContext(QStringList selectors, QStringList paths,
+ViewerContext::ViewerContext(const QStringList &selectors, const QStringList &paths,
                                     QmlJS::Dialect language,
                                     QmlJS::ViewerContext::Flags flags)
     : selectors(selectors), paths(paths), language(language),

src/libs/qmljs/qmljsviewercontext.h

@@ -44,7 +44,7 @@ public:
     };
 
     ViewerContext();
-    ViewerContext(QStringList selectors, QStringList paths,
+    ViewerContext(const QStringList &selectors, const QStringList &paths,
                   Dialect language = Dialect::Qml,
                   Flags flags = AddAllPaths);