Beispiel #1
0
        private static FunRuntime Build(
            SyntaxTree syntaxTree,
            IFunctionDictionary functionsDictionary,
            IConstantList constants,
            AprioriTypesMap aprioriTypesMap)
        {
            #region build user functions
            //get topology sort of the functions call
            //result is the order of functions that need to be compiled
            //functions that not references other functions have to be compiled firstly
            //Then those functions will be compiled
            //that refer to already compiled functions
            var functionSolveOrder = syntaxTree.FindFunctionSolvingOrderOrThrow();
            List <IFunctionSignature> userFunctions;
            IFunctionDictionary       functionDictionary;
            if (functionSolveOrder.Length == 0)
            {
                functionDictionary = functionsDictionary;
                userFunctions      = EmptyUserFunctionsList;
            }
            else
            {
                userFunctions = new List <IFunctionSignature>();

                var scopeFunctionDictionary = new ScopeFunctionDictionary(functionsDictionary);
                functionDictionary = scopeFunctionDictionary;
                //build user functions
                foreach (var functionSyntaxNode in functionSolveOrder)
                {
                    //todo list capacity
                    var userFun = BuildFunctionAndPutItToDictionary(
                        functionSyntaxNode: functionSyntaxNode,
                        constants: constants,
                        functionsDictionary: scopeFunctionDictionary);
                    userFunctions.Add(userFun);
                }
            }

            #endregion

            var bodyTypeSolving = SolveBodyTypes(syntaxTree, constants, functionDictionary, aprioriTypesMap);

            #region build body
            var variables = new VariableDictionary();
            var equations = new List <Equation>();

            foreach (var treeNode in syntaxTree.Nodes)
            {
                if (treeNode is EquationSyntaxNode node)
                {
                    var equation = BuildEquationAndPutItToVariables(node, functionDictionary, variables, bodyTypeSolving);
                    equations.Add(equation);
                    if (Helper.DoesItLooksLikeSuperAnonymousVariable(equation.Id))
                    {
                        throw FunParseException.ErrorStubToDo("variable cannot starts with 'it'");
                    }
                    if (TraceLog.IsEnabled)
                    {
                        TraceLog.WriteLine($"\r\nEQUATION: {equation.Id}:{equation.Expression.Type} = ... \r\n");
                    }
                }
                else if (treeNode is VarDefinitionSyntaxNode varDef)
                {
                    if (Helper.DoesItLooksLikeSuperAnonymousVariable(varDef.Id))
                    {
                        throw FunParseException.ErrorStubToDo("variable cannot starts with 'it'");
                    }

                    var variableSource = VariableSource.CreateWithStrictTypeLabel(
                        varDef.Id,
                        varDef.FunnyType,
                        varDef.Interval,
                        isOutput: false,
                        varDef.Attributes);
                    if (!variables.TryAdd(variableSource))
                    {
                        var allUsages = variables.GetUsages(variableSource.Name);
                        throw ErrorFactory.VariableIsDeclaredAfterUsing(allUsages);
                    }
                    if (TraceLog.IsEnabled)
                    {
                        TraceLog.WriteLine($"\r\nVARIABLE: {variableSource.Name}:{variableSource.Type} = ... \r\n");
                    }
                }
                else if (treeNode is UserFunctionDefinitionSyntaxNode)
                {
                    continue;//user function was built above
                }
                else
                {
                    throw new InvalidOperationException($"Type {treeNode} is not supported as tree root");
                }
            }
            #endregion

            foreach (var userFunction in userFunctions)
            {
                if (userFunction is GenericUserFunction generic && generic.BuiltCount == 0)
                {
                    // Generic function is declared but concrete was not built.
                    // We have to build it at least once to search all possible errors
                    GenericUserFunction.CreateSomeConcrete(generic);
                }
            }
            return(new FunRuntime(equations, variables, userFunctions));
        }
Beispiel #2
0
        private static IFunctionSignature BuildFunctionAndPutItToDictionary(
            UserFunctionDefinitionSyntaxNode functionSyntaxNode,
            IConstantList constants,
            ScopeFunctionDictionary functionsDictionary)
        {
#if DEBUG
            TraceLog.WriteLine($"\r\n====BUILD {functionSyntaxNode.Id}(..) ====");
#endif
            ////introduce function variable
            var         graphBuider    = new GraphBuilder();
            var         resultsBuilder = new TypeInferenceResultsBuilder();
            ITicResults types;

            try
            {
                if (!TicSetupVisitor.SetupTicForUserFunction(
                        userFunctionNode: functionSyntaxNode,
                        ticGraph:  graphBuider,
                        functions: functionsDictionary,
                        constants: constants,
                        results:   resultsBuilder))
                {
                    throw FunParseException.ErrorStubToDo($"Function '{functionSyntaxNode.Id}' is not solved");
                }

                // solve the types
                types = graphBuider.Solve();
            }
            catch (TicException e) { throw ErrorFactory.TranslateTicError(e, functionSyntaxNode); }

            resultsBuilder.SetResults(types);
            var typeInferenceResuls = resultsBuilder.Build();

            if (!types.HasGenerics)
            {
                #region concreteFunction

                //set types to nodes
                functionSyntaxNode.ComeOver(
                    enterVisitor: new ApplyTiResultEnterVisitor(
                        solving: typeInferenceResuls,
                        tiToLangTypeConverter: TicTypesConverter.Concrete),
                    exitVisitor: new ApplyTiResultsExitVisitor());

                var funType = TicTypesConverter.Concrete.Convert(
                    typeInferenceResuls.GetVariableType(functionSyntaxNode.Id + "'" + functionSyntaxNode.Args.Count));

                var returnType = funType.FunTypeSpecification.Output;
                var argTypes   = funType.FunTypeSpecification.Inputs;
                if (TraceLog.IsEnabled)
                {
                    TraceLog.WriteLine($"\r\n=====> Generic {functionSyntaxNode.Id} {funType}");
                }
                //make function prototype
                var prototype = new ConcreteUserFunctionPrototype(functionSyntaxNode.Id, returnType, argTypes);
                //add prototype to dictionary for future use
                functionsDictionary.Add(prototype);
                var function =
                    functionSyntaxNode.BuildConcrete(
                        argTypes:   argTypes,
                        returnType: returnType,
                        functionsDictionary: functionsDictionary,
                        results:    typeInferenceResuls,
                        converter:  TicTypesConverter.Concrete);

                prototype.SetActual(function, functionSyntaxNode.Interval);
                return(function);

                #endregion
            }
            else
            {
                var function = GenericUserFunction.Create(typeInferenceResuls, functionSyntaxNode, functionsDictionary);
                functionsDictionary.Add(function);
                if (TraceLog.IsEnabled)
                {
                    TraceLog.WriteLine($"\r\n=====> Concrete {functionSyntaxNode.Id} {function}");
                }
                return(function);
            }
        }