public override bool Match(Parser p)
{
// TODO: make a more descriptive error message.
if (!mRule.Match(p))
{
throw new Exception(msMsg);
}
return(true);
}
public override bool Match(Parser p)
{
p.CreateNode(mLabel);
bool result = mRule.Match(p);
if (result)
{
p.CompleteNode();
}
else
{
p.AbandonNode();
}
return(result);
}
public ParseNode Parse(Rule r)
{
Debug.Assert(r != null);
if (!r.Match(this))
{
return(null);
}
if (mCur != mTree)
{
throw new Exception("internal error: parse tree and parse node do not match after parsing");
}
mCur.Complete(this);
return(mTree);
}
public ParseNode Parse(Rule r)
{
Debug.Assert(r != null);
if (!r.Match(this))
return null;
if (mCur != mTree)
throw new Exception("internal error: parse tree and parse node do not match after parsing");
mCur.Complete(this);
return mTree;
}
