public void TerminateTraversalPrematurely()
{
string source = "class A { class B { class C { }; }; class D { }; class E { }; };";
var spellings = new List <string>();
var visitor = new DelegatingCursorVisitor((cursor, parent) =>
{
if (cursor.Kind != CursorKind.ClassDecl)
{
return(ChildVisitResult.Recurse);
}
string spelling = cursor.GetSpelling();
spellings.Add(spelling);
if (spelling == "B")
{
return(ChildVisitResult.Continue);
}
else if (spelling == "D")
{
return(ChildVisitResult.Break);
}
else
{
return(ChildVisitResult.Recurse);
}
});
using (var empty = disposables.WriteToEmpty(source))
{
Assert.AreEqual(true, visitor.VisitChildren(empty.GetCursor()));
CollectionAssert.AreEqual(new[] { "A", "B", "D" }, spellings);
}
}
public void VisitFunctionDeclaration()
{
string source = "void foo();";
string spelling = null;
var visitor = new DelegatingCursorVisitor((cursor, parent) =>
{
if (cursor.Kind == CursorKind.FunctionDecl)
{
spelling = cursor.GetSpelling();
}
return(ChildVisitResult.Recurse);
});
using (var empty = disposables.WriteToEmpty(source))
{
Assert.AreEqual(false, visitor.VisitChildren(empty.GetCursor()));
Assert.AreEqual("foo", spelling);
}
}