public INode Match(Lookahead2Enumerator <Token> it, IGrammarParser parser)
{
if (!this.open.Equals(it.PeekNext()))
{
return(null);
}
it.Consume();
if (this.close.Equals(it.PeekNext()))
{
it.Consume();
return(this.nf.BuildOperatorNode(this.list, new INode[0]));
}
List <INode> list = new List <INode>();
while (true)
{
INode item = parser.ParseSubExpression();
list.Add(item);
if (this.close.Equals(it.PeekNext()))
{
it.Consume();
return(this.nf.BuildOperatorNode(this.list, list.ToArray()));
}
if (!this.comma.Equals(it.PeekNext()))
{
break;
}
it.Consume();
}
throw new Colosoft.Text.Jep.ParseException("Closing bracket not found");
}
public INode Match(Lookahead2Enumerator <Token> it, IGrammarParser parser)
{
Token token = it.PeekNext();
if (token == null)
{
return(null);
}
if (!token.IsIdentifier())
{
return(null);
}
if (!this.open.Equals(it.PeekNextnext()))
{
return(null);
}
it.Consume();
ArrayList list = new ArrayList(4);
list.Add(this.nf.BuildVariableNodeCheckUndeclared(token.GetSource()));
while (this.open.Equals(it.PeekNext()))
{
it.Consume();
INode node = parser.ParseSubExpression();
list.Add(node);
if (!this.close.Equals(it.PeekNext()))
{
throw new Colosoft.Text.Jep.ParseException("Closing bracket not found, next token is " + it.PeekNext());
}
it.Consume();
}
INode[] arguments = new INode[list.Count];
arguments = (INode[])list.ToArray(Type.GetType("Colosoft.Text.Jep.Parser.INode"));
return(this.nf.BuildOperatorNode(this.ot.GetOperator(0x17), arguments));
}
public INode Match(Lookahead2Enumerator <Token> it, IGrammarParser parser)
{
Token token = it.PeekNext();
if (token == null)
{
return(null);
}
if (!token.IsFunction())
{
return(null);
}
string source = token.GetSource();
IPostfixMathCommand pfmc = ((FunctionToken)token).GetPfmc();
if (!this.open.Equals(it.PeekNextnext()))
{
return(null);
}
it.Consume();
it.Consume();
if (this.close.Equals(it.PeekNext()))
{
if (!pfmc.CheckNumberOfParameters(0))
{
throw new Colosoft.Text.Jep.ParseException("Function " + pfmc + " invalid number of arguments 0");
}
it.Consume();
return(this.nf.BuildFunctionNode(source, pfmc, new INode[0]));
}
List <INode> list = new List <INode>();
while (true)
{
INode item = parser.ParseSubExpression();
list.Add(item);
if (this.close.Equals(it.PeekNext()))
{
it.Consume();
if (!pfmc.CheckNumberOfParameters(list.Count))
{
throw new Colosoft.Text.Jep.ParseException(string.Concat(new object[] {
"Function ",
pfmc,
" invalid number of arguments ",
list.Count
}));
}
return(this.nf.BuildFunctionNode(source, pfmc, list.ToArray()));
}
if (!this.comma.Equals(it.PeekNext()))
{
break;
}
it.Consume();
}
throw new Colosoft.Text.Jep.ParseException("Closing bracket not found. Next token is " + it.PeekNext());
}
public INode Match(Lookahead2Enumerator <Token> it, IGrammarParser parser)
{
if (!this.open.Equals(it.PeekNext()))
{
return(null);
}
it.Consume();
INode node = parser.ParseSubExpression();
if (!this.close.Equals(it.PeekNext()))
{
throw new Colosoft.Text.Jep.ParseException("Closing bracket not found");
}
it.Consume();
return(node);
}