コード例 #1
0
        private static void ExtractDynamicInitializers(ClassWrapper wrapper)
        {
            StructClass cl          = wrapper.GetClassStruct();
            bool        isAnonymous = DecompilerContext.GetClassProcessor().GetMapRootClasses().GetOrNull
                                          (cl.qualifiedName).type == ClassesProcessor.ClassNode.Class_Anonymous;
            List <List <Exprent> > lstFirst          = new List <List <Exprent> >();
            List <MethodWrapper>   lstMethodWrappers = new List <MethodWrapper>();

            foreach (MethodWrapper method in wrapper.GetMethods())
            {
                if (ICodeConstants.Init_Name.Equals(method.methodStruct.GetName()) && method.root
                    != null)
                {
                    // successfully decompiled constructor
                    Statement firstData = Statements.FindFirstData(method.root);
                    if (firstData == null || (firstData.GetExprents().Count == 0))
                    {
                        return;
                    }
                    lstFirst.Add(firstData.GetExprents());
                    lstMethodWrappers.Add(method);
                    Exprent exprent = firstData.GetExprents()[0];
                    if (!isAnonymous)
                    {
                        // FIXME: doesn't make sense
                        if (exprent.type != Exprent.Exprent_Invocation || !Statements.IsInvocationInitConstructor
                                ((InvocationExprent)exprent, method, wrapper, false))
                        {
                            return;
                        }
                    }
                }
            }
            if ((lstFirst.Count == 0))
            {
                return;
            }
            while (true)
            {
                string  fieldWithDescr = null;
                Exprent value          = null;
                for (int i = 0; i < lstFirst.Count; i++)
                {
                    List <Exprent> lst = lstFirst[i];
                    if (lst.Count < (isAnonymous ? 1 : 2))
                    {
                        return;
                    }
                    Exprent exprent = lst[isAnonymous ? 0 : 1];
                    bool    found   = false;
                    if (exprent.type == Exprent.Exprent_Assignment)
                    {
                        AssignmentExprent assignExpr = (AssignmentExprent)exprent;
                        if (assignExpr.GetLeft().type == Exprent.Exprent_Field)
                        {
                            FieldExprent fExpr = (FieldExprent)assignExpr.GetLeft();
                            if (!fExpr.IsStatic() && fExpr.GetClassname().Equals(cl.qualifiedName) && cl.HasField
                                    (fExpr.GetName(), fExpr.GetDescriptor().descriptorString))
                            {
                                // check for the physical existence of the field. Could be defined in a superclass.
                                if (IsExprentIndependent(assignExpr.GetRight(), lstMethodWrappers[i]))
                                {
                                    string fieldKey = InterpreterUtil.MakeUniqueKey(fExpr.GetName(), fExpr.GetDescriptor
                                                                                        ().descriptorString);
                                    if (fieldWithDescr == null)
                                    {
                                        fieldWithDescr = fieldKey;
                                        value          = assignExpr.GetRight();
                                    }
                                    else if (!fieldWithDescr.Equals(fieldKey) || !value.Equals(assignExpr.GetRight()))
                                    {
                                        return;
                                    }
                                    found = true;
                                }
                            }
                        }
                    }
                    if (!found)
                    {
                        return;
                    }
                }
                if (!wrapper.GetDynamicFieldInitializers().ContainsKey(fieldWithDescr))
                {
                    wrapper.GetDynamicFieldInitializers().AddWithKey(value, fieldWithDescr);
                    foreach (List <Exprent> lst in lstFirst)
                    {
                        lst.RemoveAtReturningValue(isAnonymous ? 0 : 1);
                    }
                }
                else
                {
                    return;
                }
            }
        }
コード例 #2
0
        private static void ExtractStaticInitializers(ClassWrapper wrapper, MethodWrapper
                                                      method)
        {
            RootStatement root      = method.root;
            StructClass   cl        = wrapper.GetClassStruct();
            Statement     firstData = Statements.FindFirstData(root);

            if (firstData != null)
            {
                bool inlineInitializers = cl.HasModifier(ICodeConstants.Acc_Interface) || cl.HasModifier
                                              (ICodeConstants.Acc_Enum);
                while (!(firstData.GetExprents().Count == 0))
                {
                    Exprent exprent = firstData.GetExprents()[0];
                    bool    found   = false;
                    if (exprent.type == Exprent.Exprent_Assignment)
                    {
                        AssignmentExprent assignExpr = (AssignmentExprent)exprent;
                        if (assignExpr.GetLeft().type == Exprent.Exprent_Field)
                        {
                            FieldExprent fExpr = (FieldExprent)assignExpr.GetLeft();
                            if (fExpr.IsStatic() && fExpr.GetClassname().Equals(cl.qualifiedName) && cl.HasField
                                    (fExpr.GetName(), fExpr.GetDescriptor().descriptorString))
                            {
                                // interfaces fields should always be initialized inline
                                if (inlineInitializers || IsExprentIndependent(assignExpr.GetRight(), method))
                                {
                                    string keyField = InterpreterUtil.MakeUniqueKey(fExpr.GetName(), fExpr.GetDescriptor
                                                                                        ().descriptorString);
                                    if (!wrapper.GetStaticFieldInitializers().ContainsKey(keyField))
                                    {
                                        wrapper.GetStaticFieldInitializers().AddWithKey(assignExpr.GetRight(), keyField);
                                        firstData.GetExprents().RemoveAtReturningValue(0);
                                        found = true;
                                    }
                                }
                            }
                        }
                    }
                    if (!found)
                    {
                        break;
                    }
                }
            }
        }