/// <summary>
/// Guarda un valor determinado, entero o booleano.
/// </summary>
/// <param name="where">Donde guardar el valor. La expresion puede ser una variable, o un arreglo.</param>
/// <param name="what">La expresion que contiene el valor a guardar. Es evaluada, y el valor resultante guardado.</param>
public void Assign(string where, string what)
{
what = what.ToLower();
where = where.ToLower();
if (where.Contains("[") && where.Contains("]")) // Es un array?
{
Tokenizer t = new Tokenizer(where);
var enumerator = t.GetTokens().GetEnumerator();
enumerator.MoveNext();
if (enumerator.Current.Type != TokenType.Name)
{
throw new InvalidOperationException(string.Format("{0} is not either a valid variable or array expression.", where));
}
else if (Variables.ContainsVariable(enumerator.Current.Value))
{
throw new InvalidOperationException(string.Format("There is another variable with the name {0}.", enumerator.Current.Value));
}
SaveToArray(where, Evaluate(what));
}
else // Es una variable entonces...
{
Tokenizer t = new Tokenizer(where);
var enumerator = t.GetTokens().GetEnumerator();
enumerator.MoveNext();
if (!enumerator.MoveNext())
{
Variable v = new Variable(Evaluate(what));
Variables[where] = v;
}
else throw new InvalidOperationException(string.Format("{0} is not either a valid variable or array expression.", where));
}
}
public void Add(string key, Variable v)
{
array[key] = v;
}
public void Add(string variableName, object value)
{
Variable v = new Variable(value.ToString());
dic.Add(variableName, v);
}
public void AssignToArray(string arrayName, string key, Variable v)
{
key = key.Trim();
if (arrays.ContainsKey(arrayName)) // El array existe?
{
if (v.Type == arrays[arrayName].Type)
{
if (arrays[arrayName].VariableIsDeclarated(key)) arrays[arrayName][key] = v; // Si el array esta asignado en ese indice, cambia su valor
else arrays[arrayName].Add(key, v); // Sino, agrega el nuevo indice
}
else throw new InvalidOperationException(string.Format("Cannot assign a {0} to an array of {1}.", v.Type, arrays[arrayName].Type));
}
else // Si el array no existe, crearlo
{
Array newArray = new Array(v.Type, arrayName);
newArray[key] = new Variable(v.Value.ToString());
arrays[arrayName] = newArray;
}
}
