public Interpreter(Expression expression)
{
scopeStack = new Stack<ScopeTreeNode>();
ScopeTreeRoot = new ScopeTreeNode(Permanency.Permanent);
RootExpression = expression;
Log = new List<LogEntry>();
}
public Expression BuildExpressionTree(List<Token> tokens, int startIndex)
{
var res = new Expression(tokens[startIndex]);
int currentIndex = startIndex + 1;
while (tokens.Count > currentIndex && !IsClosedBracket(tokens[currentIndex]))
{
if (IsOpenBracket(tokens[currentIndex]))
{
var subExpression = BuildExpressionTree(tokens, currentIndex);
//if (subExpression.Sequence.Count != 0)
res.Sequence.Add(subExpression);
currentIndex += subExpression.GetNumTokens() - 1;
}
else res.Sequence.Add(new ExpressionItem(tokens[currentIndex]));
currentIndex++;
}
res.ParseNodes();
return res;
}
public static LogEntry State(Expression exp)
{
return new LogEntry("Captured expressions state.") { ExpressionState = exp };
}
public ListCache(Expression exp, Interpreter interpreter)
: base(Void.Instance)
{
this.exp = exp;
this.interpreter = interpreter;
}
public CodeBlock(Expression expression)
: base(ValueType.CodeBlock)
{
Expression = expression;
}