/// <summary>
/// Removes the definition of a variable from the current scope.
/// </summary>
/// <param name="name">The variable name.</param>
public void UndefineVariable(string name)
{
if (_variables != null)
{
_variables.Remove(name);
}
else if (_variable.Key != null && _variable.Key.Name == name)
{
_variable = new VariableDefinitionPair();
}
}
/// <summary>
/// Assigns the value to a variable for the current scope.
/// </summary>
/// <param name="variable">The variable.</param>
/// <param name="value">The value.</param>
public void DefineVariable(VariableDefinitionExpression variable, ExpressionBase value)
{
if (_variables == null)
{
if (_variable.Key == null)
{
_variable = new VariableDefinitionPair(variable, value);
return;
}
_variables = new Dictionary <string, VariableDefinitionPair>();
_variables.Add(_variable.Key.Name, _variable);
_variable = new VariableDefinitionPair();
}
_variables[variable.Name] = new VariableDefinitionPair(variable, value);
}
