public override object VisitDerivationdeclaration(ShapPangParser.DerivationdeclarationContext context)
{
Derivative der = new Derivative(context.ID().GetText(), context.description.Text.Substring(1, context.description.Text.Length - 2), context.GetText(), Context.Scenario, Context.ElementScope);
Context.Scenario.AddDerivation(der);
Context.DerivationScope = der;
object pendingReturn = base.VisitDerivationdeclaration(context);
if (!der.Assignments.Contains(der.Name))
{
throw new Exception("A derivative must contain an assignment to itself in order to set it's return value");
}
return(pendingReturn);
}
internal void CalculateDerivative()
{
input = new AntlrInputStream(this.Payload);
lexer = new ShapPangLexer(input);
tokens = new CommonTokenStream(lexer);
parser = new ShapPangParser(tokens);
visitor = new ShapExecutionVisitor(this, new ParsingContext()
{
ElementScope = this.Element
});
parser.AddErrorListener(new ShapPangErrorListener());
ShapPangParser.DerivationdeclarationContext context = parser.derivationdeclaration();
visitor.VisitDerivationdeclaration(context);
Calculated = true;
}
public override object VisitDerivationdeclaration(ShapPangParser.DerivationdeclarationContext context)
{
return(base.VisitDerivationdeclaration(context));
}
