Beispiel #1
0
        public StructDescription(AStructDecl structDecl)
        {
            Parser parser = new Parser(structDecl);

            Name   = parser.Name;
            IsEnum = Name.StartsWith("enum ");
            if (IsEnum)
            {
                Name = Name.Substring(5);
                foreach (VariableDescription field in parser.Fields)
                {
                    field.PlacementPrefix = "Enum Field";
                }
            }
            Fields = parser.Fields;

            Methods        = parser.Methods;
            Constructors   = parser.Constructors;
            Deconstructors = parser.Deconstructors;
            LineFrom       = structDecl.GetName().Line;
            LineTo         = structDecl.GetEndToken().Line;
            if (structDecl.GetBase() is AGenericType)
            {
                BaseRef = (ANamedType)((AGenericType)structDecl.GetBase()).GetBase();
            }
            else
            {
                BaseRef = (ANamedType)structDecl.GetBase();
            }
            structDecl.RemoveChild(BaseRef);
            foreach (TIdentifier identifier in structDecl.GetGenericVars())
            {
                GenericVars.Add(identifier.Text);
            }
            IsClass    = structDecl.GetClassToken() != null;
            Visibility = (PVisibilityModifier)structDecl.GetVisibilityModifier().Clone();
            Position   = TextPoint.FromCompilerCoords(structDecl.GetName());
        }
Beispiel #2
0
        public override void CaseAALocalDecl(AALocalDecl node)
        {
            //Convert a static struct field into a global variable. All refferences to it are structFieldLvalues.
            if (node.GetStatic() == null)
            {
                return;
            }



            AStructDecl str = (AStructDecl)node.Parent();

            if (data.StructFields[str].Contains(node))
            {
                data.StructFields[str].Remove(node);
            }
            AFieldDecl replacementField;

            //Don't enhrit static fields.
            if (data.EnheritanceLocalMap.ContainsKey(node))
            {
                str.RemoveChild(node);

                AALocalDecl realVar = data.EnheritanceLocalMap[node];
                if (convertionMap.ContainsKey(realVar))
                {
                    //Already converted to a field
                    replacementField = convertionMap[realVar];
                    foreach (AStructFieldLvalue lvalue in data.StructMethodFieldLinks.Where(link => link.Value == node).Select(link => link.Key))
                    {
                        AFieldLvalue newLvalue = new AFieldLvalue(new TIdentifier(replacementField.GetName().Text));
                        data.FieldLinks[newLvalue]  = replacementField;
                        data.LvalueTypes[newLvalue] = replacementField.GetType();
                        lvalue.ReplaceBy(newLvalue);
                    }
                }
                else
                {
                    List <AStructFieldLvalue> refferences = new List <AStructFieldLvalue>();
                    refferences.AddRange(data.StructMethodFieldLinks.Where(link => link.Value == node).Select(link => link.Key));
                    foreach (AStructFieldLvalue lvalue in refferences)
                    {
                        data.StructMethodFieldLinks[lvalue] = realVar;
                    }
                }
                return;
            }

            replacementField = new AFieldDecl(new APublicVisibilityModifier(), null, node.GetConst(), node.GetType(), node.GetName(), node.GetInit());

            replacementField.GetName().Text = str.GetName().Text + "_" + replacementField.GetName().Text;

            AASourceFile file = Util.GetAncestor <AASourceFile>(node);

            file.GetDecl().Insert(file.GetDecl().IndexOf(node.Parent()), replacementField);
            data.Fields.Add(new SharedData.DeclItem <AFieldDecl>(file, replacementField));

            if (ContainsNewExp(replacementField.GetInit()))
            {
                data.FieldsToInitInMapInit.Add(replacementField);
            }

            foreach (AStructFieldLvalue lvalue in data.StructMethodFieldLinks.Where(link => link.Value == node).Select(link => link.Key))
            {
                AFieldLvalue newLvalue = new AFieldLvalue(new TIdentifier(replacementField.GetName().Text));
                data.FieldLinks[newLvalue]  = replacementField;
                data.LvalueTypes[newLvalue] = replacementField.GetType();
                lvalue.ReplaceBy(newLvalue);
            }

            convertionMap.Add(node, replacementField);
            node.Parent().RemoveChild(node);
        }
        public override void CaseAConstructorDecl(AConstructorDecl node)
        {
            AStructDecl     str        = Util.GetAncestor <AStructDecl>(node);
            AEnrichmentDecl enrichment = Util.GetAncestor <AEnrichmentDecl>(node);
            AMethodDecl     replacer   = new AMethodDecl(new APublicVisibilityModifier(), null, null, null, null, null, new AVoidType(new TVoid("void")),
                                                         node.GetName(), new ArrayList(), node.GetBlock());

            replacer.GetName().Text += "_Constructor";
            while (node.GetFormals().Count > 0)
            {
                replacer.GetFormals().Add(node.GetFormals()[0]);
            }

            //Move the method outside the struct
            AASourceFile file = Util.GetAncestor <AASourceFile>(node);

            if (str != null)
            {
                str.RemoveChild(node.Parent());
            }
            else
            {
                enrichment.RemoveChild(node);
            }
            int i = file.GetDecl().IndexOf(str ?? (PDecl)enrichment);

            file.GetDecl().Insert(i /* + 1*/, replacer);
            //Add the struct as a parameter
            PType type;

            if (str != null)
            {
                ANamedType structType = new ANamedType(new TIdentifier(str.GetName().Text), null);
                finalTrans.data.StructTypeLinks[structType] = str;
                type = structType;
            }
            else
            {
                type = Util.MakeClone(enrichment.GetType(), finalTrans.data);
            }
            finalTrans.data.ConstructorMap[node] = replacer;
            structFormal = new AALocalDecl(new APublicVisibilityModifier(), null, null, null, null, new APointerType(new TStar("*"), type), new TIdentifier("currentStruct", replacer.GetName().Line, replacer.GetName().Pos), null);
            replacer.GetFormals().Add(structFormal);
            finalTrans.data.Methods.Add(new SharedData.DeclItem <AMethodDecl>(file, replacer));

            //Add return stm
            replacer.SetReturnType(new APointerType(new TStar("*"), Util.MakeClone(type, data)));
            replacer.Apply(new TransformConstructorReturns(structFormal, data));

            //Insert call to base constructor););
            if (finalTrans.data.ConstructorBaseLinks.ContainsKey(node))
            {
                AMethodDecl      baseConstructor = finalTrans.data.ConstructorMap[finalTrans.data.ConstructorBaseLinks[node]];
                ASimpleInvokeExp invoke          = new ASimpleInvokeExp(new TIdentifier(baseConstructor.GetName().Text), new ArrayList());
                while (node.GetBaseArgs().Count > 0)
                {
                    invoke.GetArgs().Add(node.GetBaseArgs()[0]);
                }
                AThisLvalue thisLvalue1 = new AThisLvalue(new TThis("this"));
                ALvalueExp  thisExp1    = new ALvalueExp(thisLvalue1);
                invoke.GetArgs().Add(thisExp1);

                AThisLvalue thisLvalue2 = new AThisLvalue(new TThis("this"));

                AAssignmentExp assignExp = new AAssignmentExp(new TAssign("="), thisLvalue2, invoke);

                ANamedType structType = new ANamedType(new TIdentifier(str.GetName().Text), null);
                finalTrans.data.StructTypeLinks[structType] = str;

                finalTrans.data.LvalueTypes[thisLvalue1]         =
                    finalTrans.data.LvalueTypes[thisLvalue2]     =
                        finalTrans.data.ExpTypes[thisExp1]       =
                            finalTrans.data.ExpTypes[assignExp]  =
                                finalTrans.data.ExpTypes[invoke] = new APointerType(new TStar("*"), structType);

                //finalTrans.data.ExpTypes[invoke] = new AVoidType(new TVoid("void"));
                finalTrans.data.SimpleMethodLinks[invoke] = baseConstructor;

                ((AABlock)replacer.GetBlock()).GetStatements().Insert(0, new AExpStm(new TSemicolon(";"), assignExp));

                //Inline if base and current are two different kinds of pointer types (int/string)
                AStructDecl      baseStruct = null;
                AConstructorDecl baseC      = finalTrans.data.ConstructorBaseLinks[node];
                foreach (KeyValuePair <AStructDecl, List <AConstructorDecl> > pair in finalTrans.data.StructConstructors)
                {
                    bool found = false;
                    foreach (AConstructorDecl decl in pair.Value)
                    {
                        if (baseC == decl)
                        {
                            found = true;
                            break;
                        }
                    }
                    if (found)
                    {
                        baseStruct = pair.Key;
                        break;
                    }
                }
                if ((str.GetIntDim() == null) != (baseStruct.GetIntDim() == null))
                {
                    //For the inilining, change the type to the type of the caller
                    AALocalDecl lastFormal = baseConstructor.GetFormals().OfType <AALocalDecl>().Last();
                    lastFormal.SetRef(new TRef("ref"));
                    APointerType oldType = (APointerType)lastFormal.GetType();

                    structType = new ANamedType(new TIdentifier(str.GetName().Text), null);
                    finalTrans.data.StructTypeLinks[structType] = str;

                    APointerType newType = new APointerType(new TStar("*"), structType);
                    lastFormal.SetType(newType);

                    foreach (
                        ALocalLvalue lvalue in
                        data.LocalLinks.Where(pair => pair.Value == lastFormal).Select(pair => pair.Key))
                    {
                        data.LvalueTypes[lvalue] = newType;
                        if (lvalue.Parent() is ALvalueExp)
                        {
                            data.ExpTypes[(PExp)lvalue.Parent()] = newType;
                            if (lvalue.Parent().Parent() is APointerLvalue)
                            {
                                data.LvalueTypes[(PLvalue)lvalue.Parent().Parent()] = newType.GetType();
                            }
                        }
                    }

                    FixInlineMethods.Inline(invoke, finalTrans);
                    lastFormal.SetRef(null);
                    foreach (
                        ALocalLvalue lvalue in
                        data.LocalLinks.Where(pair => pair.Value == lastFormal).Select(pair => pair.Key))
                    {
                        data.LvalueTypes[lvalue] = oldType;
                        if (lvalue.Parent() is ALvalueExp)
                        {
                            data.ExpTypes[(PExp)lvalue.Parent()] = oldType;
                            if (lvalue.Parent().Parent() is APointerLvalue)
                            {
                                data.LvalueTypes[(PLvalue)lvalue.Parent().Parent()] = oldType.GetType();
                            }
                        }
                    }

                    lastFormal.SetType(oldType);
                }

                //Inline it instead, Since the pointer implementations might not be the same (int vs string)

                /*AMethodDecl baseConstructor = finalTrans.data.ConstructorMap[finalTrans.data.ConstructorBaseLinks[node]];
                 *
                 * AABlock localsBlock = new AABlock(new ArrayList(), new TRBrace("}"));
                 * ABlockStm cloneBlock = new ABlockStm(new TLBrace("{"), (PBlock) baseConstructor.GetBlock().Clone());
                 * Dictionary<AALocalDecl, PLvalue> localMap = new Dictionary<AALocalDecl, PLvalue>();
                 * for (int argNr = 0; argNr < baseConstructor.GetFormals().Count; argNr++)
                 * {
                 *  AALocalDecl formal = (AALocalDecl) baseConstructor.GetFormals()[i];
                 *  PExp arg;
                 *  if (i < baseConstructor.GetFormals().Count - 1)
                 *      arg = (PExp)node.GetBaseArgs()[i];
                 *  else
                 *  {
                 *      AThisLvalue thisLvalue = new AThisLvalue(new TThis("this"));
                 *      ALvalueExp thisExp = new ALvalueExp(thisLvalue);
                 *
                 *      ANamedType structType = new ANamedType(new TIdentifier(str.GetName().Text), null);
                 *      finalTrans.data.StructTypeLinks[structType] = str;
                 *
                 *      finalTrans.data.LvalueTypes[thisLvalue] =
                 *          finalTrans.data.ExpTypes[thisExp] = new APointerType(new TStar("*"), structType);
                 *
                 *      arg = thisExp;
                 *  }
                 *
                 *  if (formal.GetRef() != null || formal.GetOut() != null)
                 *  {
                 *      //Use same variable
                 *      localMap[formal] = ((ALvalueExp) arg).GetLvalue();
                 *  }
                 *  else
                 *  {
                 *      //Make a new variable
                 *      AALocalDecl newLocal = new AALocalDecl(new APublicVisibilityModifier(), null, null, null, null,
                 *                                             Util.MakeClone(formal.GetType(), finalTrans.data),
                 *                                             new TIdentifier(formal.GetName().Text),
                 *                                             Util.MakeClone(arg, data));
                 *
                 *      ALocalLvalue newLocalRef = new ALocalLvalue(new TIdentifier(newLocal.GetName().Text));
                 *
                 *      localMap[formal] = newLocalRef;
                 *      data.LvalueTypes[newLocalRef] = newLocal.GetType();
                 *      data.LocalLinks[newLocalRef] = newLocal;
                 *
                 *      localsBlock.GetStatements().Add(new ALocalDeclStm(new TSemicolon(";"), newLocal));
                 *  }
                 *
                 * }
                 *
                 * CloneMethod cloner = new CloneMethod(finalTrans.data, localMap, cloneBlock);
                 * baseConstructor.GetBlock().Apply(cloner);
                 *
                 * ((AABlock)cloneBlock.GetBlock()).GetStatements().Insert(0, new ABlockStm(new TLBrace("{"), localsBlock));
                 * ((AABlock)node.GetBlock()).GetStatements().Insert(0, cloneBlock);*/
            }

            //Fix refferences to other struct stuff);
            base.CaseAMethodDecl(replacer);

            //Add functionality to refference the current struct in a constructor
            //Want to do it as a pointer type, since the constructer can only be called for pointer types
        }
        //private List<ErrorCollection.Error> multipleEntryCandidates = new List<ErrorCollection.Error>();
        public override void CaseAMethodDecl(AMethodDecl node)
        {
            //Done in a previous iteration

            /*if (node.GetName().Text == "InitMap" && node.GetFormals().Count == 0)
             * {
             *  if (finalTrans.multipleMainEntries)
             *  {
             *      multipleEntryCandidates.Add(new ErrorCollection.Error(node.GetName(), Util.GetAncestor<AASourceFile>(node.GetName()), "Candidate"));
             *  }
             *  else if (finalTrans.mainEntry != null)
             *  {
             *      multipleEntryCandidates.Add(new ErrorCollection.Error(finalTrans.mainEntry.GetName(), Util.GetAncestor<AASourceFile>(finalTrans.mainEntry.GetName()), "Candidate"));
             *      multipleEntryCandidates.Add(new ErrorCollection.Error(node.GetName(), Util.GetAncestor<AASourceFile>(node.GetName()), "Candidate"));
             *      //finalTrans.errors.Add(new ErrorCollection.Error(node.GetName(), Util.GetAncestor<AASourceFile>(node), "Found multiple candidates for a main entry", true));
             *      finalTrans.multipleMainEntries = true;
             *      finalTrans.mainEntry = null;
             *  }
             *  else
             *      finalTrans.mainEntry = node;
             * }*/

            AStructDecl str = Util.GetAncestor <AStructDecl>(node);

            if (str != null)
            {
                if (node.GetStatic() == null)
                {
                    structMethods.Add(node);
                }
                //Move the method outside the struct
                str.RemoveChild(node.Parent());
                AASourceFile file = (AASourceFile)str.Parent();
                int          i    = file.GetDecl().IndexOf(str);
                file.GetDecl().Insert(i /* + 1*/, node);
                node.GetName().Text = GetUniqueStructMethodName(str.GetName().Text + "_" + node.GetName().Text);

                if (node.GetStatic() == null)
                {
                    //Add the struct as a parameter
                    PType structType = new ANamedType(new TIdentifier(str.GetName().Text), null);
                    finalTrans.data.StructTypeLinks[(ANamedType)structType] = str;
                    if (str.GetClassToken() != null)
                    {
                        structType = new APointerType(new TStar("*"), structType);
                    }
                    structFormal = new AALocalDecl(new APublicVisibilityModifier(), null,
                                                   str.GetClassToken() == null ? new TRef("ref") : null, null, null,
                                                   structType,
                                                   new TIdentifier("currentStruct", node.GetName().Line,
                                                                   node.GetName().Pos), null);
                    node.GetFormals().Add(structFormal);
                    data.Locals[(AABlock)node.GetBlock()].Add(structFormal);
                }
                else
                {
                    node.SetStatic(null);
                }
                finalTrans.data.Methods.Add(new SharedData.DeclItem <AMethodDecl>(file, node));
                if (node.GetStatic() == null)
                {
                    OldParentStruct[node] = str;
                }
                //Fix refferences to other struct stuff);
                base.CaseAMethodDecl(node);
                //Will visit later, since it's added after the struct
                //base.CaseAMethodDecl(node);
                //if (str.GetLocals().Count == 0)
                //    str.Parent().RemoveChild(str);
                return;
            }
            AEnrichmentDecl enrichment = Util.GetAncestor <AEnrichmentDecl>(node);

            if (enrichment != null)
            {
                if (node.GetStatic() == null)
                {
                    structMethods.Add(node);
                }
                //Move the method outside the struct
                enrichment.RemoveChild(node);
                AASourceFile file = (AASourceFile)enrichment.Parent();
                int          i    = file.GetDecl().IndexOf(enrichment);
                file.GetDecl().Insert(i /* + 1*/, node);
                node.GetName().Text = GetUniqueStructMethodName(Util.TypeToIdentifierString(enrichment.GetType()) + "_" + node.GetName().Text);

                if (node.GetStatic() == null)
                {
                    //Add the struct as a parameter
                    PType structType = Util.MakeClone(enrichment.GetType(), finalTrans.data);
                    structFormal = new AALocalDecl(new APublicVisibilityModifier(), null, new TRef("ref"), null, null,
                                                   structType,
                                                   new TIdentifier("currentEnrichment", node.GetName().Line,
                                                                   node.GetName().Pos), null);
                    node.GetFormals().Add(structFormal);
                }
                finalTrans.data.Methods.Add(new SharedData.DeclItem <AMethodDecl>(file, node));
                //Fix refferences to other struct stuff);
                base.CaseAMethodDecl(node);
                //Will visit later, since it's added after the struct
                //base.CaseAMethodDecl(node);
                //if (str.GetLocals().Count == 0)
                //    str.Parent().RemoveChild(str);
                return;
            }
            //Build a list of overloads
            List <AMethodDecl> overloads     = new List <AMethodDecl>();
            List <string>      prefixMatches = new List <string>();

            foreach (SharedData.DeclItem <AMethodDecl> declItem in finalTrans.data.Methods)
            {
                if (!Util.IsSameNamespace(declItem.Decl, node))
                {
                    continue;
                }
                if (declItem.Decl.GetName().Text == node.GetName().Text)
                {
                    overloads.Add(declItem.Decl);
                }
                if (declItem.Decl.GetName().Text.StartsWith(node.GetName().Text + "O"))
                {
                    prefixMatches.Add(declItem.Decl.GetName().Text);
                }
            }



            foreach (AMethodDecl method in finalTrans.data.Libraries.Methods)
            {
                if (method.GetBlock() != null || method.GetNative() != null)
                {
                    if (method.GetName().Text == node.GetName().Text)
                    {
                        overloads.Add(method);
                    }
                    if (method.GetName().Text.StartsWith(node.GetName().Text + "O"))
                    {
                        prefixMatches.Add(method.GetName().Text);
                    }
                }
            }

            //Add fields
            foreach (SharedData.DeclItem <AFieldDecl> declItem in finalTrans.data.Fields)
            {
                if (declItem.Decl.GetName().Text.StartsWith(node.GetName().Text + "O"))
                {
                    prefixMatches.Add(declItem.Decl.GetName().Text);
                }
            }

            foreach (AFieldDecl field in finalTrans.data.Libraries.Fields)
            {
                if (field.GetName().Text.StartsWith(node.GetName().Text + "O"))
                {
                    prefixMatches.Add(field.GetName().Text);
                }
            }

            //Dont want to hit another method by appending O#
            string postfix = "";

            while (true)
            {
                postfix += "O";
                if (prefixMatches.Any(text => text.StartsWith(node.GetName().Text + postfix)))
                {
                    continue;
                }
                break;
            }

            if (overloads.Count > 1)
            {
                int i = 0;
                foreach (AMethodDecl method in overloads)
                {
                    if (node == finalTrans.mainEntry || (node.GetTrigger() != null && finalTrans.data.HasUnknownTrigger))
                    {
                        continue;
                    }
                    i++;
                    method.GetName().Text += postfix + i;
                }
            }

            if (node != finalTrans.mainEntry && (node.GetTrigger() == null || !finalTrans.data.HasUnknownTrigger))
            {
                node.GetName().Text = namespacePrefix + node.GetName().Text;
            }


            base.CaseAMethodDecl(node);
        }
        /*private class IsThisOnLeftSide : DepthFirstAdapter
         * {
         *  private PType type;
         *  private SharedData data;
         *  public bool IsAssignedTo;
         *  private List<AMethodDecl> investigatedMethods = new List<AMethodDecl>();
         *
         *  public IsThisOnLeftSide(PType type, SharedData data)
         *  {
         *      this.type = type;
         *      this.data = data;
         *  }
         *
         *  //Check assignments, method invocations and nonstatic method invocations.
         *
         *  public override void CaseAMethodDecl(AMethodDecl node)
         *  {
         *      investigatedMethods.Add(node);
         *  }
         *
         *  public override void CaseAThisLvalue(AThisLvalue node)
         *  {
         *      if (IsAssignedTo)
         *          return;
         *
         *      Node iParent = GetClosestNodeOfType(node, typeof (AAssignmentExp),
         *                                          typeof (ASimpleInvokeExp),
         *                                          typeof (ANonstaticInvokeExp),
         *                                          typeof (AAsyncInvokeStm),
         *                                          typeof (ASyncInvokeExp),
         *                                          typeof(AArrayLvalue),
         *                                          typeof(APointerLvalue),
         *                                          typeof(APropertyLvalue),
         *                                          typeof(AStructLvalue));
         *      if (iParent == null)
         *          return;
         *
         *      if (iParent is AAssignmentExp)
         *      {
         *          AAssignmentExp aParent = (AAssignmentExp) iParent;
         *          if (Util.IsAncestor(node, aParent.GetLvalue()))
         *          {
         *              IsAssignedTo = true;
         *          }
         *          return;
         *      }
         *      if (iParent is ASimpleInvokeExp)
         *      {
         *          ASimpleInvokeExp aParent = (ASimpleInvokeExp) iParent;
         *          AMethodDecl method = data.SimpleMethodLinks[aParent];
         *          if (investigatedMethods.Contains(method))
         *              return;
         *
         *          if (Util.IsAncestor(node, aParent.GetLvalue()))
         *          {
         *              IsAssignedTo = true;
         *          }
         *          return;
         *      }
         *  }
         *
         *  private Node GetClosestNodeOfType(Node node, params Type[] types)
         *  {
         *      if (node == null)
         *          return null;
         *      if (types.Contains(node.GetType()))
         *          return node;
         *      return GetClosestNodeOfType(node.Parent(), types);
         *  }
         * }*/

        public override void CaseADeconstructorDecl(ADeconstructorDecl node)
        {
            AStructDecl     str        = Util.GetAncestor <AStructDecl>(node);
            AEnrichmentDecl enrichment = Util.GetAncestor <AEnrichmentDecl>(node);
            AMethodDecl     replacer   = new AMethodDecl(new APublicVisibilityModifier(), null, null, null, null, null, new AVoidType(new TVoid("void")),
                                                         node.GetName(), new ArrayList(), node.GetBlock());

            replacer.GetName().Text += "_Deconstructor";

            //Move the method outside the struct
            AASourceFile file = Util.GetAncestor <AASourceFile>(node);

            if (str != null)
            {
                str.RemoveChild(node.Parent());
            }

            /*else
             *  enrichment.RemoveChild(node);*/
            int i = file.GetDecl().IndexOf(str ?? (PDecl)enrichment);

            file.GetDecl().Insert(i /* + 1*/, replacer);
            //Add the struct as a parameter
            PType type;

            if (str != null)
            {
                ANamedType structType = new ANamedType(new TIdentifier(str.GetName().Text), null);
                finalTrans.data.StructTypeLinks[structType] = str;
                type = structType;
            }
            else
            {
                type = Util.MakeClone(enrichment.GetType(), finalTrans.data);
            }
            finalTrans.data.DeconstructorMap[node] = replacer;
            AALocalDecl structFormal = new AALocalDecl(new APublicVisibilityModifier(), null, null, null, null, new APointerType(new TStar("*"), type), new TIdentifier("currentStruct", replacer.GetName().Line, replacer.GetName().Pos), null);

            replacer.GetFormals().Add(structFormal);
            finalTrans.data.Methods.Add(new SharedData.DeclItem <AMethodDecl>(file, replacer));

            //Call base deconstructor before each return
            if (str != null && str.GetBase() != null)
            {
                AStructDecl baseStruct = data.StructTypeLinks[(ANamedType)str.GetBase()];
                if (data.StructDeconstructor.ContainsKey(baseStruct))
                {
                    baseStruct.Apply(this);
                    replacer.Apply(new CallDeconstructors(baseStruct, structFormal, data));

                    /*AMethodDecl baseDeconstructor = data.DeconstructorMap[data.StructDeconstructor[baseStruct]];
                     *
                     *
                     * ALocalLvalue structFormalRef = new ALocalLvalue(new TIdentifier("currentStruct"));
                     * ALvalueExp structFormalRefExp = new ALvalueExp(structFormalRef);
                     * ASimpleInvokeExp invoke = new ASimpleInvokeExp(new TIdentifier("baseDeconstructor"),
                     *                                             new ArrayList() {structFormalRefExp});
                     * AABlock block = (AABlock) replacer.GetBlock();
                     * block.GetStatements().Insert(0, new AExpStm(new TSemicolon(";"), invoke));
                     *
                     * data.LocalLinks[structFormalRef] = structFormal;
                     * data.SimpleMethodLinks[invoke] = baseDeconstructor;
                     * data.LvalueTypes[structFormalRef] = data.ExpTypes[structFormalRefExp] = structFormal.GetType();
                     * data.ExpTypes[invoke] = baseDeconstructor.GetReturnType();*/
                }
            }
            this.structFormal = structFormal;
            base.CaseAMethodDecl(replacer);
        }