private ExpressionArgumentNode ParseArgument()
{
ExpressionArgumentNode itsAST;
SourceCodePosition itsPos = _currentToken.SourcePosition;
itsAST = new ExpressionArgumentNode(Expression(), itsPos);
return(itsAST);
}
private ArgumentSequenceNode ParseArguments()
{
ArgumentSequenceNode itsAST;
SourceCodePosition itsPos = _currentToken.SourcePosition;
ExpressionArgumentNode itsArg = ParseArgument();
if (_currentToken.Type == Token.TokenType.Comma)
{
Accept(Token.TokenType.Comma);
ArgumentSequenceNode itsNextArgs = ParseArguments();
itsAST = new MultipleArgumentSequenceNode(itsArg, itsNextArgs, itsPos);
}
else
{
itsAST = new SingleArgumentSequenceNode(itsArg, itsPos);
}
return(itsAST);
}
public object Visit(ExpressionArgumentNode n, object o)
{
return(null);
}
public object Visit(ExpressionArgumentNode n, object o)
{
n.Expression.Accept(this, null);
return(null);
}
