protected virtual void BuildExpression(ParsingContext context, ParseTreeNode treeNode)
{
token = treeNode.ChildNodes[0].Token as Token;
if (token != null && token.Terminal is Tokenizer) // terminals do not need to be rechecked
{
SetUoToken(((Tokenizer)token.Terminal).Tokenize(token.Value));
SetUoTypeToken(((Tokenizer)token.Terminal).TokenType);
AsString = treeNode.ChildNodes[0].Token.ValueString;
}
else
{
foreach (ParseTreeNode cnode in treeNode.ChildNodes)
{
if (cnode.AstNode is ExpressionNode)
{
AstNode node = Reduce(cnode); // (ExpressionNode)cnode.AstNode;
ChildNodes.Add(node);
node.Parent = this;
}
}
// Nulls in a list are ok on the first pass, but not on the second, so this is only done here if there are no null types
if (ChildNodes.Count == 1 || ChildNodes.TrueForAll(node => ((ExpressionNode)node).UoTypeToken != null))
{
CheckScope(context);
}
}
}
