public void Setup()
{
IExpression expression = CreationUtilities.CreateExpression();
variable1 = GlobalContext.Instance.AddVariable("MyVariable", KnownTypes.Int);
assignment = expression.SetAsAssignment(variable1);
variable2 = GlobalContext.Instance.AddVariable("MyVariable2", KnownTypes.Int);
}
public IAssignment SetAsAssignment(IReadOnlyVariable assignTo)
{
if (ComponentsHead != null)
throw new InvalidOperationException("The expression has already been set! It cannot be set twice.");
if (assignTo == null)
throw new ArgumentNullException();
//TODO: check that the context can access this variable...
Assignment assignment = new Assignment(assignTo);
this.ComponentsHead = assignment;
return assignment;
}
public IDeclaration SetAsDeclaration(string variableName, IReadOnlyType type, out IReadOnlyVariable variableCreated)
{
if (ComponentsHead != null)
throw new InvalidOperationException("The expression has already been set! It cannot be set twice.");
if (variableName == null || type == null)
throw new ArgumentNullException();
if (owningContext.ContainsVariable(variableName))
throw new InvalidOperationException("A variable with that name already exists!");
variableCreated = owningContext.AddVariable(variableName, type);
Declaration declaration = new Declaration(variableName, type);
this.ComponentsHead = declaration;
return declaration;
}
public GetVariable(IReadOnlyVariable variable)
{
this.Variable = variable;
}
public Assignment(IReadOnlyVariable toVariable)
{
AssignedTo = toVariable;
}
public static IGetVariableStatement CreateVariable(IReadOnlyVariable variable)
{
return new GetVariable(variable);
}
