package com.sap.runlet.interpreter.signatureimplementations;
import behavioral.actions.Statement;
import com.sap.runlet.abstractinterpreter.Interpreter;
import com.sap.runlet.abstractinterpreter.objects.ClassTypedObject;
import com.sap.runlet.abstractinterpreter.objects.RunletObject;
import com.sap.runlet.interpreter.RunletInterpreter;
import com.sap.runlet.interpreter.RunletStackFrame;
import data.classes.Association;
import data.classes.AssociationEnd;
import data.classes.ClassTypeDefinition;
import data.classes.LinkRemoval;
import data.classes.MethodSignature;
import data.classes.NativeImpl;
import data.classes.Parameter;
import data.classes.SapClass;
import data.classes.SignatureImplementation;
import data.classes.TypeDefinition;
import dataaccess.expressions.Expression;
public class LinkRemovalInterpreter implements Interpreter<LinkRemoval, SapClass, TypeDefinition, ClassTypeDefinition, Association, AssociationEnd, Statement, Expression, SignatureImplementation, RunletStackFrame, NativeImpl, RunletInterpreter> {
private LinkRemoval linkRemoval;
public LinkRemovalInterpreter(LinkRemoval linkRemoval) {
this.linkRemoval = linkRemoval;
}
@Override
public RunletObject<AssociationEnd, TypeDefinition, ClassTypeDefinition> evaluate(RunletInterpreter interpreter)
throws SecurityException, IllegalArgumentException {
MethodSignature sig = linkRemoval.getImplements_();
// parameter and this are in the current stack frame; grab them:
Parameter param = sig.getInput().get(0);
boolean isFirstEnd = linkRemoval.getEnd().equals(linkRemoval.getEnd().getAssociation().getEnds().get(0));
RunletObject<AssociationEnd, TypeDefinition, ClassTypeDefinition> paramValue = interpreter.getCallstack().peek().getValue(param);
ClassTypedObject<AssociationEnd, TypeDefinition, ClassTypeDefinition> thiz = interpreter.getCallstack().peek().getThis();
for (RunletObject<AssociationEnd, TypeDefinition, ClassTypeDefinition> l : paramValue) {
ClassTypedObject<AssociationEnd, TypeDefinition, ClassTypeDefinition> cto = (ClassTypedObject<AssociationEnd, TypeDefinition, ClassTypeDefinition>) l;
interpreter.removeLink(isFirstEnd ? cto : thiz, isFirstEnd ? thiz : cto, linkRemoval
.getEnd().getAssociation(), linkRemoval.getAt());
}
return null;
}
}