/// <summary>
/// Creates a return quadruple.
/// </summary>
/// <returns>The return quadruple.</returns>
/// <param name="id">Identifier.</param>
public static SemanticEnum CreateReturnQuadruple(string id)
{
Variable returnVariable = null;
if (id != "")
{
returnVariable = ProgramMemory.FindVariable(scope, id);
}
// Validate return type
SemanticEnum returnStatus = Semantics.ValidateReturn(scope.type, returnVariable);
if (returnStatus == SemanticEnum.ValidReturn)
{
scope.SetEnd(Quadruple.quadruples.Count);
Quadruple quadruple =
new Quadruple(Operators.Return, returnVariable);
PushQuadruple(quadruple);
}
return(returnStatus);
}
void Function()
{
scope = FunctionHeader();
Quadruple.scope = scope;
while (StartOf((int)TokenEnum.Id))
{
Declaration();
}
while (StartOf((int)TokenEnum.Number))
{
Statute();
}
string id = "";
id = Return();
SemanticEnum returnStatus = Quadruple.CreateReturnQuadruple(id);
if (returnStatus != SemanticEnum.ValidReturn)
{
SemErr((int)returnStatus);
}
EndFunction();
}
public SemanticCompatibility(SemanticEnum type, double confidence)
{
mType = type;
mConfidence = confidence;
}
