/// <summary>Test stub for .ctor(String, Type, String)</summary>
        ///[PexMethod]
        internal ROOTObjectCopiedValue Constructor(
            string varName,
            Type rootType,
            string CPPType,
            string origname
            )
        {
            ROOTObjectCopiedValue target
                = new ROOTObjectCopiedValue(varName, rootType, CPPType, origname, "dummy title");

            Assert.AreEqual(rootType, target.Type, "reported Type incorrect");
            Assert.AreEqual("LoadFromInputList<" + CPPType + ">(\"" + varName + "\")", target.RawValue, "loader string incorrect");
            Assert.AreEqual(origname, target.OriginalName, "original name");
            Assert.AreEqual("dummy title", target.OriginalTitle, "title bad");

            return(target);
        }
        /// <summary>Test stub for .ctor(String, Type, String)</summary>
        ///[PexMethod]
        internal ROOTObjectCopiedValue Constructor(
            string varName,
            Type rootType,
            string CPPType,
            string origname
        )
        {
            ROOTObjectCopiedValue target
               = new ROOTObjectCopiedValue(varName, rootType, CPPType, origname, "dummy title");

            Assert.AreEqual(rootType, target.Type, "reported Type incorrect");
            Assert.AreEqual("LoadFromInputList<" + CPPType + ">(\"" + varName + "\")", target.RawValue, "loader string incorrect");
            Assert.AreEqual(origname, target.OriginalName, "original name");
            Assert.AreEqual("dummy title", target.OriginalTitle, "title bad");

            return target;
        }
Ejemplo n.º 3
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        /// <summary>
        /// For a root variable we create a special variable which holds onto the initial value, and
        /// also will get loaded at the correct time.
        /// </summary>
        /// <param name="expr"></param>
        /// <param name="codeEnv"></param>
        /// <returns></returns>
        public IValue ProcessConstantReference(ConstantExpression expr, IGeneratedQueryCode codeEnv, CompositionContainer container)
        {
            ///
            /// The value is a reference that will do the loading.
            ///

            var rootObject = expr.Value as ROOTNET.Interface.NTNamed;

            if (rootObject == null)
            {
                throw new ArgumentException("the object to be stored must derive from NTNamed! It is of type '" + expr.Value.GetType().Name + "' which does not appear to derive from TNamed.");
            }

            //
            // Queue this object for transfer, get a "unique" name back. This will also double check
            // to see if the object is already up there read to be queued.
            //

            var varNameForTransport = codeEnv.QueueForTransfer(rootObject);

            //
            // Now, we need to generate an IValue for the object that can be used in our expression parsing.
            // When in the middle of a tight loop, since finding the object is a "slow" linear lookup, we will cache it in a static
            // variable. This isn't so pretty when there is a one-time initialization, but it shouldn't add too much.
            //

            var staticCache = new ROOTObjectStaticHolder(rootObject.GetType(), rootObject);

            staticCache.DeclareAsStatic = true;
            staticCache.InitialValue    = new ValSimple("nullptr", staticCache.Type);
            codeEnv.Add(staticCache);

            codeEnv.Add(new Statements.StatementFilter(new ValSimple($"{staticCache.RawValue} == nullptr", typeof(bool), new IDeclaredParameter[] { staticCache })));
            var CPPType = rootObject.GetType().AsCPPType();
            var val     = new ROOTObjectCopiedValue(varNameForTransport, rootObject.GetType(), CPPType, rootObject.Name, rootObject.Title);

            codeEnv.Add(new Statements.StatementAssign(staticCache, val));
            codeEnv.Pop();

            // And the rest of the code should use the static cache.
            return(staticCache);
        }