Introduce BaseVisitor

Base Visitor is an abstract visitor that has all visit methods
abstract, subclassing this one gets an error if some visit method is
not implemented (dumper and reformatter for example will gain from
this.

Change-Id: I3f8cfeb6fc0ef917acf725bbe1c293d761304287
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>

2 files changed, 8 insertions, 1 deletions

diff --git a/tests/auto/shared/qqmljsastdumper.cpp b/tests/auto/shared/qqmljsastdumper.cpp
index 7c7485fd1f..92d95be80a 100644
--- a/tests/auto/shared/qqmljsastdumper.cpp
+++ b/tests/auto/shared/qqmljsastdumper.cpp
@@ -366,6 +366,12 @@ bool AstDumper::visit(UiRequired *el)
     return true;
 }
 
+bool AstDumper::visit(UiAnnotationList *)
+{
+    start(QLatin1String("UiAnnotationList"));
+    return true;
+}
+
 void AstDumper::endVisit(AST::UiProgram *) { stop("UiProgram"); }
 
 void AstDumper::endVisit(AST::UiImport *el) {
@@ -403,6 +409,7 @@ void AstDumper::endVisit(AST::UiEnumMemberList *el) {
 void AstDumper::endVisit(AST::UiVersionSpecifier *) { stop("UiVersionSpecifier"); }
 void AstDumper::endVisit(AST::UiInlineComponent *) { stop("UiInlineComponent"); }
 void AstDumper::endVisit(UiRequired *) { stop("UiRequired"); }
+void AstDumper::endVisit(UiAnnotationList *) { stop("UiAnnotationList"); }
 
 // QQmlJS
 bool AstDumper::visit(AST::ThisExpression *el) {
diff --git a/tests/auto/shared/qqmljsastdumper.h b/tests/auto/shared/qqmljsastdumper.h
index 919b80f38c..cd52e96220 100644
--- a/tests/auto/shared/qqmljsastdumper.h
+++ b/tests/auto/shared/qqmljsastdumper.h
@@ -71,7 +71,7 @@ bool operator & (DumperOptions lhs, DumperOptions rhs);
 DumperOptions operator | (DumperOptions lhs, DumperOptions rhs);
 
 // no export, currently just a supporting file...
-class AstDumper: public AST::Visitor
+class AstDumper: public AST::BaseVisitor
 {
 public:
     static QString printNode2(AST::Node *);