public virtual AliasDefinition VisitAliasDefinition(AliasDefinition aliasDefinition)
{
if (aliasDefinition == null) return null;
aliasDefinition.AliasedType = this.VisitTypeReference(aliasDefinition.AliasedType);
return aliasDefinition;
}
public override AliasDefinition VisitAliasDefinition(AliasDefinition aliasDefinition)
{
if (aliasDefinition == null) return null;
return base.VisitAliasDefinition((AliasDefinition)aliasDefinition.Clone());
}
public override AliasDefinition VisitAliasDefinition(AliasDefinition aliasDefinition)
{
WriteStart("using {0}=", aliasDefinition.Alias.Name);
this.VisitExpression(aliasDefinition.AliasedExpression);
WriteFinish(";");
return aliasDefinition;
}
private void ParseExternalAliasDirective(Namespace ns, TokenSet followers){
Debug.Assert(this.currentToken == Token.Extern);
SourceContext sctx = this.scanner.CurrentSourceContext;
this.GetNextToken();
if (this.currentToken == Token.Alias)
this.GetNextToken();
else{
if (!Parser.IdentifierOrNonReservedKeyword[this.currentToken]){
this.SkipTo(followers, Error.SyntaxError, "alias");
return;
}
this.HandleError(Error.SyntaxError, "alias");
}
if (!Parser.IdentifierOrNonReservedKeyword[this.currentToken]){
this.SkipTo(followers, Error.ExpectedIdentifier);
return;
}
Identifier id = this.scanner.GetIdentifier();
this.GetNextToken();
this.SkipSemiColon(followers);
sctx.EndPos = this.scanner.endPos;
AliasDefinition aliasD = new AliasDefinition(id, null, sctx);
aliasD.AliasedAssemblies = new AssemblyReferenceList();
ns.AliasDefinitions.Add(aliasD);
}
public EventingVisitor(Action<AliasDefinition> visitAliasDefinition) { VisitedAliasDefinition += visitAliasDefinition; } public event Action<AliasDefinition> VisitedAliasDefinition; public override AliasDefinition VisitAliasDefinition(AliasDefinition aliasDefinition) { if (VisitedAliasDefinition != null) VisitedAliasDefinition(aliasDefinition); return base.VisitAliasDefinition(aliasDefinition); }