public virtual Statement VisitLock(Lock Lock)
{
if (Lock == null) return null;
Lock.Guard = this.VisitExpression(Lock.Guard);
Lock.Body = this.VisitBlock(Lock.Body);
return Lock;
}
private Lock ParseLock(TokenSet followers){
Lock Lock = new Lock();
Lock.SourceContext = this.scanner.CurrentSourceContext;
Debug.Assert(this.currentToken == Token.Lock);
this.GetNextToken();
Lock.Guard = this.ParseParenthesizedExpression(followers|Parser.StatementStart);
Block b = this.ParseStatementAsBlock(followers);
Lock.Body = b;
if (b != null){
Lock.SourceContext.EndPos = b.SourceContext.EndPos;
if (b.Statements == null)
this.HandleError(b.SourceContext, Error.PossibleMistakenNullStatement);
}
return Lock;
}
public override Statement VisitLock(Lock Lock)
{
if (Lock == null) return null;
return base.VisitLock((Lock)Lock.Clone());
}
public EventingVisitor(Action<Lock> visitLock) { VisitedLock += visitLock; } public event Action<Lock> VisitedLock; public override Statement VisitLock(Lock Lock) { if (VisitedLock != null) VisitedLock(Lock); return base.VisitLock(Lock); }
