/// <summary>
/// Implements the visitor for the <see cref="XshtdSyntaxDefinition"/> object.
/// </summary>
/// <param name="syntax"></param>
/// <returns></returns>
public object VisitSyntaxDefinition(XshtdSyntaxDefinition syntax)
{
SyntaxDefinition c;
if (syntax.Name != null)
{
c = def.syntaxDefDict[syntax.Name];
}
else
{
if (syntax.Extensions == null)
{
return(null);
}
else
{
c = new SyntaxDefinition(syntax.Name);
}
}
// Copy extensions to highlighting theme object
foreach (var item in syntax.Extensions)
{
c.Extensions.Add(item);
}
syntax.AcceptElements(this);
return(c);
}
/// <summary>
/// Implements the visitor for the <see cref="XshtdSyntaxDefinition"/> object.
/// </summary>
/// <param name="syntax"></param>
/// <returns></returns>
public object VisitSyntaxDefinition(XshtdSyntaxDefinition syntax)
{
if (syntax.Name != null)
{
if (syntax.Name.Length == 0)
{
throw Error(syntax, "Name must not be the empty string");
}
if (def.syntaxDefDict.ContainsKey(syntax.Name))
{
throw Error(syntax, "Duplicate syntax definition name '" + syntax.Name + "'.");
}
def.syntaxDefDict.Add(syntax.Name, new SyntaxDefinition());
}
syntax.AcceptElements(this);
return(null);
}