/// <summary>
/// Provides the changes performed by this statement
/// </summary>
/// <param name="context">The context on which the changes should be computed</param>
/// <param name="changes">The list to fill with the changes</param>
/// <param name="explanation">The explanatino to fill, if any</param>
/// <param name="apply">Indicates that the changes should be applied immediately</param>
public override void GetChanges(InterpretationContext context, ChangeList changes, ExplanationPart explanation, bool apply)
{
if (Call != null)
{
InterpretationContext ctxt = getContext(context);
Functions.Procedure procedure = Call.getProcedure(ctxt);
if (procedure != null)
{
ExplanationPart part = new ExplanationPart(Root);
part.Message = procedure.FullName;
explanation.SubExplanations.Add(part);
int token = ctxt.LocalScope.PushContext();
foreach (KeyValuePair <Variables.Actual, Values.IValue> pair in Call.AssignParameterValues(context, procedure, true))
{
ctxt.LocalScope.setVariable(pair.Key, pair.Value);
}
foreach (Rules.Rule rule in Rules)
{
ApplyRule(rule, changes, ctxt, part);
}
ctxt.LocalScope.PopContext(token);
}
else
{
AddError("Cannot determine the called procedure for " + ToString());
}
}
else
{
AddError("Expression " + ToString() + " is not a valid procedure call");
}
}
/// <summary>
/// Provides the changes performed by this statement
/// </summary>
/// <param name="context">The context on which the changes should be computed</param>
/// <param name="changes">The list to fill with the changes</param>
/// <param name="explanation">The explanatino to fill, if any</param>
/// <param name="apply">Indicates that the changes should be applied immediately</param>
/// <param name="runner"></param>
public override void GetChanges(InterpretationContext context, ChangeList changes, ExplanationPart explanation,
bool apply, Runner runner)
{
if (Call != null)
{
// Explain what happens in this statement
explanation = ExplanationPart.CreateSubExplanation(explanation, this);
InterpretationContext ctxt = GetContext(context, explanation);
Procedure procedure = Call.GetProcedure(ctxt, explanation);
if (procedure != null)
{
ctxt.HasSideEffects = true;
// If the procedure has been defined in a structure,
// ensure that it is applied to an instance of that structure
Structure structure = procedure.Enclosing as Structure;
if (structure != null)
{
ITypedElement current = ctxt.Instance as ITypedElement;
while (current != null)
{
if (current.Type != structure)
{
current = current.Enclosing as ITypedElement;
}
else
{
ctxt.Instance = current;
ExplanationPart.CreateSubExplanation(explanation, "Instance", current);
current = null;
}
}
}
ExplanationPart part = ExplanationPart.CreateSubExplanation(explanation, procedure);
if (ctxt.Instance is IVariable)
{
ExplanationPart.SetNamable(part, ctxt.Instance);
ExplanationPart instanceExplanation = ExplanationPart.CreateSubExplanation(part, "instance = ");
ExplanationPart.SetNamable(instanceExplanation, ctxt.Instance);
}
int token = ctxt.LocalScope.PushContext();
foreach (
KeyValuePair <Actual, IValue> pair in Call.AssignParameterValues(context, procedure, true, part))
{
ctxt.LocalScope.SetVariable(pair.Key, pair.Value);
}
foreach (Rule rule in procedure.Rules)
{
ApplyRule(rule, changes, ctxt, part, runner);
}
ctxt.LocalScope.PopContext(token);
}
else
{
AddError("Cannot determine the called procedure for " + ToString(), RuleChecksEnum.ExecutionFailed);
}
}
else
{
AddError("Expression " + ToString() + " is not a valid procedure call", RuleChecksEnum.ExecutionFailed);
}
}