public void GenerateLookupCache(ExecutionNode node, Interpreter interpreter)
{
var items = node.InnerExpression;
if (node.Cache == null)
{
node.Cache = new List<Reference>();
for (int i = 0; i < items.Count; ++i) node.Cache.Add(null);
}
for (int i = 0; i < items.Count; ++i)
{
//Fixed references aren't meant to be modified.
if (node.Cache[i] != null && node.Cache[i].Fixed) continue;
var tok = items[i].OriginalToken;
switch (tok.Type)
{
case TokenType.Literal:
node.Cache[i] = new Reference(interpreter.ParseLiteral(tok.Content));
break;
case TokenType.Identifier:
node.Cache[i] = interpreter.CurrentScopeNode.Lookup(tok.Content);
break;
case TokenType.Group:
var exp = items[i] as Expression;
if (exp.OriginalToken.Content == "{")
{
var codeblock = new CodeBlock(exp);
node.Cache[i] = new Reference(codeblock);
}
else
{
exp.GenerateLookupCache(interpreter);
exp.FixAllReferences();
if (exp.OriginalToken.Content == "[")
{
node.Cache[i] = new ListCache(exp, interpreter);
}
else
{
node.Cache[i] = new ExpressionCache(exp, interpreter);
}
}
break;
}
}
}
public ExecutionNode(List<ExpressionItem> innerExpression, ExecutionNode next)
{
Next = next;
InnerExpression = innerExpression;
}
