public INode Parse(TextReader stream)
{
List <Token> input = this.Scan(stream);
IExtendedEnumerator <Token> it = this.Filter(input);
return(this.Parse(it));
}
public Lookahead2Enumerator(List <T> input)
{
this.next = default(T);
this.nextnext = default(T);
this.it = new ExtendedEnumerator <T>(input);
if (this.it.HasNext())
{
this.next = this.it.Next();
}
if (this.it.HasNext())
{
this.nextnext = this.it.Next();
}
}
public INode Parse(IExtendedEnumerator <Token> input)
{
INode node;
if (!input.HasNext())
{
return(null);
}
this.it = new Lookahead2Enumerator <Token>(input);
try
{
node = this.ParseSubExpression();
}
catch (Colosoft.Text.Jep.ParseException exception)
{
if (this.it.PeekNext() != null)
{
exception.SetPosition(this.it.PeekNext().GetLineNumber(), this.it.PeekNext().GetColumnNumber());
}
throw exception;
}
if (this.it.PeekNext() != null)
{
string str = this.it.PeekNext().ToString();
if (this.it.PeekNextnext() != null)
{
str = str + ", " + this.it.PeekNextnext();
}
Colosoft.Text.Jep.ParseException exception2 = new Colosoft.Text.Jep.ParseException("Tokens still remaining after parse completed", this.it.PeekNext().GetLineNumber(), this.it.PeekNext().GetColumnNumber());
throw exception2;
}
if (this.nodes.Count != 0)
{
throw new Colosoft.Text.Jep.ParseException("Only one node should be of stack after parsing, it has " + this.nodes.Count);
}
return(node);
}
public INode ContinueParse()
{
List <Token> list;
Label_0000:
list = this.Scan();
if (list == null)
{
return(null);
}
IExtendedEnumerator <Token> it = this.Filter(list);
if (!it.MoveNext())
{
goto Label_0000;
}
INode node = this.Parse(it);
if (node == null)
{
goto Label_0000;
}
return(node);
}
public INode Parse(IExtendedEnumerator <Token> it)
{
ShuntingYard yard = new ShuntingYard(this.jep, this.g);
return(yard.Parse(it));
}
public WSCEnumerator(IExtendedEnumerator <Token> input)
{
this.input = input;
this.Grab();
}
public IExtendedEnumerator <Token> Filter(IExtendedEnumerator <Token> tokens)
{
return(new WSCEnumerator(tokens));
}