Exemplo n.º 1
0
        public static void BuildAssertions(ClassesProcessor.ClassNode node)
        {
            ClassWrapper wrapper = node.GetWrapper();
            StructField  field   = FindAssertionField(node);

            if (field != null)
            {
                string key = InterpreterUtil.MakeUniqueKey(field.GetName(), field.GetDescriptor()
                                                           );
                bool res = false;
                foreach (MethodWrapper meth in wrapper.GetMethods())
                {
                    RootStatement root = meth.root;
                    if (root != null)
                    {
                        res |= ReplaceAssertions(root, wrapper.GetClassStruct().qualifiedName, key);
                    }
                }
                if (res)
                {
                    // hide the helper field
                    wrapper.GetHiddenMembers().Add(key);
                }
            }
        }
 private static string IsClass14Invocation(Exprent exprent, ClassWrapper wrapper,
                                           MethodWrapper meth)
 {
     if (exprent.type == Exprent.Exprent_Function)
     {
         FunctionExprent fexpr = (FunctionExprent)exprent;
         if (fexpr.GetFuncType() == FunctionExprent.Function_Iif)
         {
             if (fexpr.GetLstOperands()[0].type == Exprent.Exprent_Function)
             {
                 FunctionExprent headexpr = (FunctionExprent)fexpr.GetLstOperands()[0];
                 if (headexpr.GetFuncType() == FunctionExprent.Function_Eq)
                 {
                     if (headexpr.GetLstOperands()[0].type == Exprent.Exprent_Field && headexpr.GetLstOperands
                             ()[1].type == Exprent.Exprent_Const && ((ConstExprent)headexpr.GetLstOperands()[
                                                                         1]).GetConstType().Equals(VarType.Vartype_Null))
                     {
                         FieldExprent field = (FieldExprent)headexpr.GetLstOperands()[0];
                         ClassesProcessor.ClassNode fieldnode = DecompilerContext.GetClassProcessor().GetMapRootClasses
                                                                    ().GetOrNull(field.GetClassname());
                         if (fieldnode != null && fieldnode.classStruct.qualifiedName.Equals(wrapper.GetClassStruct
                                                                                                 ().qualifiedName))
                         {
                             // source class
                             StructField fd = wrapper.GetClassStruct().GetField(field.GetName(), field.GetDescriptor
                                                                                    ().descriptorString);
                             // FIXME: can be null! why??
                             if (fd != null && fd.HasModifier(ICodeConstants.Acc_Static) && (fd.IsSynthetic() ||
                                                                                             DecompilerContext.GetOption(IFernflowerPreferences.Synthetic_Not_Set)))
                             {
                                 if (fexpr.GetLstOperands()[1].type == Exprent.Exprent_Assignment && fexpr.GetLstOperands
                                         ()[2].Equals(field))
                                 {
                                     AssignmentExprent asexpr = (AssignmentExprent)fexpr.GetLstOperands()[1];
                                     if (asexpr.GetLeft().Equals(field) && asexpr.GetRight().type == Exprent.Exprent_Invocation)
                                     {
                                         InvocationExprent invexpr = (InvocationExprent)asexpr.GetRight();
                                         if (invexpr.GetClassname().Equals(wrapper.GetClassStruct().qualifiedName) && invexpr
                                             .GetName().Equals(meth.methodStruct.GetName()) && invexpr.GetStringDescriptor().
                                             Equals(meth.methodStruct.GetDescriptor()))
                                         {
                                             if (invexpr.GetLstParameters()[0].type == Exprent.Exprent_Const)
                                             {
                                                 wrapper.GetHiddenMembers().Add(InterpreterUtil.MakeUniqueKey(fd.GetName(), fd.GetDescriptor
                                                                                                                  ()));
                                                 // hide synthetic field
                                                 return(((ConstExprent)invexpr.GetLstParameters()[0]).GetValue().ToString());
                                             }
                                         }
                                     }
                                 }
                             }
                         }
                     }
                 }
             }
         }
     }
     return(null);
 }
Exemplo n.º 3
0
        public override TextBuffer ToJava(int indent, BytecodeMappingTracer tracer)
        {
            VarType leftType         = left.GetExprType();
            VarType rightType        = right.GetExprType();
            bool    fieldInClassInit = false;
            bool    hiddenField      = false;

            if (left.type == Exprent.Exprent_Field)
            {
                // first assignment to a final field. Field name without "this" in front of it
                FieldExprent field = (FieldExprent)left;
                ClassesProcessor.ClassNode node = ((ClassesProcessor.ClassNode)DecompilerContext.
                                                   GetProperty(DecompilerContext.Current_Class_Node));
                if (node != null)
                {
                    StructField fd = node.classStruct.GetField(field.GetName(), field.GetDescriptor()
                                                               .descriptorString);
                    if (fd != null)
                    {
                        if (field.IsStatic() && fd.HasModifier(ICodeConstants.Acc_Final))
                        {
                            fieldInClassInit = true;
                        }
                        if (node.GetWrapper() != null && node.GetWrapper().GetHiddenMembers().Contains(InterpreterUtil
                                                                                                       .MakeUniqueKey(fd.GetName(), fd.GetDescriptor())))
                        {
                            hiddenField = true;
                        }
                    }
                }
            }
            if (hiddenField)
            {
                return(new TextBuffer());
            }
            TextBuffer buffer = new TextBuffer();

            if (fieldInClassInit)
            {
                buffer.Append(((FieldExprent)left).GetName());
            }
            else
            {
                buffer.Append(left.ToJava(indent, tracer));
            }
            if (right.type == Exprent_Const)
            {
                ((ConstExprent)right).AdjustConstType(leftType);
            }
            TextBuffer res = right.ToJava(indent, tracer);

            if (condType == Condition_None && !leftType.IsSuperset(rightType) && (rightType.Equals
                                                                                      (VarType.Vartype_Object) || leftType.type != ICodeConstants.Type_Object))
            {
                if (right.GetPrecedence() >= FunctionExprent.GetPrecedence(FunctionExprent.Function_Cast
                                                                           ))
                {
                    res.Enclose("(", ")");
                }
                res.Prepend("(" + ExprProcessor.GetCastTypeName(leftType) + ")");
            }
            buffer.Append(condType == Condition_None ? " = " : Operators[condType]).Append(res
                                                                                           );
            tracer.AddMapping(bytecode);
            return(buffer);
        }