public void Execute(ExecutionState state)
{
foreach (ExecutionPath ep in executionPaths)
{
object o = true;
if (ep.Condition != null)
{
o = TokenParser.ReduceFromExpression(state, instructionToken, ep.Condition.Evaluate(state, ep.Token));
}
if (BooleanExpression.True.Equals(o))
{
ep.Instructions.Execute(state);
return;
}
}
}
protected override object Evaluate(IExpression left, IExpression right, ExecutionState state)
{
object b = TokenParser.VerifyUnderlyingType(TokenParser.ReduceFromExpression(state, token, right.Evaluate(state, token)));
object a = TokenParser.VerifyUnderlyingType(TokenParser.ReduceFromExpression(state, token, left.Evaluate(state, token)));
if (a == null || b == null)
{
if (a == null || b == null)
{
return(true);
}
else
{
return(false);
}
}
if ((a is decimal && b is string) || (a is string && b is decimal))
{
decimal k, m;
bool result;
if (a is decimal && b is string)
{
k = (decimal)a;
result = decimal.TryParse((string)b, out m);
}
else
{
k = (decimal)b;
result = decimal.TryParse((string)a, out m);
}
if (result)
{
return(k.Equals(m));
}
}
return(a.Equals(b) || b.Equals(a)); // we check both sides in case one side has overridden the Equals method
}