/// <summary>
        /// Performs Monomorphization on the given compilation. If the keepAllIntrinsics parameter
        /// is set to true, then unused intrinsics will not be removed from the resulting compilation.
        /// </summary>
        public static QsCompilation Apply(QsCompilation compilation, bool keepAllIntrinsics = true)
        {
            var globals         = compilation.Namespaces.GlobalCallableResolutions();
            var concretizations = new List <QsCallable>();
            var concreteNames   = new Dictionary <ConcreteCallGraphNode, QsQualifiedName>();

            var nodes = new ConcreteCallGraph(compilation).Nodes
                        // Remove specialization information so that we only deal with the full callables.
                        .Select(n => new ConcreteCallGraphNode(n.CallableName, QsSpecializationKind.QsBody, n.ParamResolutions))
                        .ToImmutableHashSet();

            var getAccessModifiers = new GetAccessModifiers((typeName) => GetAccessModifier(compilation.Namespaces.GlobalTypeResolutions(), typeName));

            // Loop through the nodes, getting a list of concrete callables
            foreach (var node in nodes)
            {
                // If there is a call to an unknown callable, throw exception
                if (!globals.TryGetValue(node.CallableName, out QsCallable originalGlobal))
                {
                    throw new ArgumentException($"Couldn't find definition for callable: {node.CallableName}");
                }

                if (node.ParamResolutions.Any())
                {
                    // Get concrete name
                    var concreteName = UniqueVariableNames.PrependGuid(node.CallableName);

                    // Add to concrete name mapping
                    concreteNames[node] = concreteName;

                    // Generate the concrete version of the callable
                    var concrete = ReplaceTypeParamImplementations.Apply(originalGlobal, node.ParamResolutions, getAccessModifiers);
                    concretizations.Add(
                        concrete.WithFullName(oldName => concreteName)
                        .WithSpecializations(specs => specs.Select(spec => spec.WithParent(_ => concreteName)).ToImmutableArray()));
                }
                else
                {
                    concretizations.Add(originalGlobal);
                }
            }

            GetConcreteIdentifierFunc getConcreteIdentifier = (globalCallable, types) =>
                                                              GetConcreteIdentifier(concreteNames, globalCallable, types);

            var intrinsicCallableSet = globals
                                       .Where(kvp => kvp.Value.Specializations.Any(spec => spec.Implementation.IsIntrinsic))
                                       .Select(kvp => kvp.Key)
                                       .ToImmutableHashSet();

            var final = new List <QsCallable>();

            // Loop through concretizations, replacing all references to generics with their concrete counterparts
            foreach (var callable in concretizations)
            {
                final.Add(ReplaceTypeParamCalls.Apply(callable, getConcreteIdentifier, intrinsicCallableSet));
            }

            return(ResolveGenerics.Apply(compilation, final, intrinsicCallableSet, keepAllIntrinsics));
        }
Ejemplo n.º 2
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        public static QsCompilation Apply(QsCompilation compilation)
        {
            if (compilation == null || compilation.Namespaces.Contains(null))
            {
                throw new ArgumentNullException(nameof(compilation));
            }

            var globals = compilation.Namespaces.GlobalCallableResolutions();

            var intrinsicCallableSet = globals
                                       .Where(kvp => kvp.Value.Specializations.Any(spec => spec.Implementation.IsIntrinsic))
                                       .Select(kvp => kvp.Key)
                                       .ToImmutableHashSet();

            var entryPoints = compilation.EntryPoints
                              .Select(call => new Request
            {
                OriginalName    = call,
                TypeResolutions = ImmutableConcretion.Empty,
                ConcreteName    = call
            });

            var requests  = new Stack <Request>(entryPoints);
            var responses = new List <Response>();

            while (requests.Any())
            {
                Request currentRequest = requests.Pop();

                // If there is a call to an unknown callable, throw exception
                if (!globals.TryGetValue(currentRequest.OriginalName, out QsCallable originalGlobal))
                {
                    throw new ArgumentException($"Couldn't find definition for callable: {currentRequest.OriginalName}");
                }

                var currentResponse = new Response
                {
                    OriginalName     = currentRequest.OriginalName,
                    TypeResolutions  = currentRequest.TypeResolutions,
                    ConcreteCallable = originalGlobal.WithFullName(name => currentRequest.ConcreteName)
                };

                GetConcreteIdentifierFunc getConcreteIdentifier = (globalCallable, types) =>
                                                                  GetConcreteIdentifier(currentResponse, requests, responses, globalCallable, types);

                // Rewrite implementation
                currentResponse = ReplaceTypeParamImplementations.Apply(currentResponse);

                // Rewrite calls
                currentResponse = ReplaceTypeParamCalls.Apply(currentResponse, getConcreteIdentifier, intrinsicCallableSet);

                responses.Add(currentResponse);
            }

            return(ResolveGenerics.Apply(compilation, responses, intrinsicCallableSet));
        }