Example #1
0
        private static void Generate(IEnumerable <string> extraTranslation)
        {
            Console.WriteLine("Parsing...");
            var sw = Stopwatch.StartNew();


            TranslationManager.Init(extraTranslation);

            if (!Directory.Exists(OutDir))
            {
                Directory.CreateDirectory(OutDir);
            }

            var allTypes = Compilation.SyntaxTrees
                           .SelectMany(o => o.GetRoot().DescendantNodes().OfType <BaseTypeDeclarationSyntax>())
                           .Select(o => new { Syntax = o, Symbol = GetModel(o).GetDeclaredSymbol(o), TypeName = WriteType.TypeName(GetModel(o).GetDeclaredSymbol(o)) })
                           .GroupBy(o => o.Symbol.ContainingNamespace.FullName() + "." + o.TypeName)
                           .ToList();

            Utility.Parallel(Compilation.SyntaxTrees.ToList(), tree =>
            {
                foreach (var n in TriviaProcessor.DoNotWrite(tree))
                {
                    DoNotWrite.TryAdd(n, null);
                }
            });

            Console.WriteLine("Parsed in " + sw.Elapsed + ". Writing out haxe...");
            sw.Restart();

            Compilation.SyntaxTrees.SelectMany(o => o.GetRoot().DescendantNodes().OfType <AnonymousObjectCreationExpressionSyntax>())
            .Select(o => new { Syntax = o, Name = WriteAnonymousObjectCreationExpression.TypeName(o) })
            .GroupBy(o => o.Name)
            .Parallel(o => WriteAnonymousObjectCreationExpression.WriteAnonymousType(o.First().Syntax));


            allTypes.Parallel(type =>
            {
                TypeState.Instance          = new TypeState();
                TypeState.Instance.TypeName = type.First().TypeName;
                TypeState.Instance.Partials = type.Select(o => new TypeState.SyntaxAndSymbol {
                    Symbol = o.Symbol, Syntax = o.Syntax
                })
                                              .Where(o => !DoNotWrite.ContainsKey(o.Syntax))
                                              .ToList();

                if (TypeState.Instance.Partials.Count > 0)
                {
                    WriteType.Go();
                }
            });

            WriteConstructor.WriteConstructorsHelper(allTypes.SelectMany(o => o).Where(o => !DoNotWrite.ContainsKey(o.Syntax)).Select(o => o.Symbol));

            Console.WriteLine("Haxe written out in " + sw.Elapsed);
        }
Example #2
0
        public static void Write(HaxeWriter writer, SyntaxNode node)
        {
            TriviaProcessor.ProcessNode(writer, node);

            if (Program.DoNotWrite.ContainsKey(node))
            {
                return;
            }

            if (!(node is ExpressionSyntax) || node is ParenthesizedExpressionSyntax)
            {
                Factory(writer, node);
            }
            else
            {
                var typeInfo = Program.GetModel(node).GetTypeInfo((ExpressionSyntax)node);

                if (typeInfo.ConvertedType != null && typeInfo.ConvertedType.Name == "Nullable" &&

                    (typeInfo.Type == null || (TypeProcessor.ConvertType(typeInfo.Type) != TypeProcessor.ConvertType(typeInfo.ConvertedType))))
                {
                    //When assigning into a nullable, we must construct the nullable type.
                    writer.Write("new ");
                    writer.Write(TypeProcessor.ConvertType(typeInfo.ConvertedType));
                    writer.Write("(");

                    if (typeInfo.Type != null)
                    {
                        Factory(writer, node);
                    }

                    writer.Write(")");
                }
                else
                {
                    Factory(writer, node);
                }
            }
        }
Example #3
0
        private static void GoInternal(HaxeWriter writer, BaseMethodDeclarationSyntax method, TypeSyntax returnType, TypeParameterListSyntax typeParameterListOpt, SyntaxList <TypeParameterConstraintClauseSyntax>?constraintClassesOpt)
        {
            var methodSymbol = Program.GetModel(method).GetDeclaredSymbol(method);

            if (method.Modifiers.Any(SyntaxKind.PartialKeyword) && method.Body == null)
            {
                //We only want to render out one of the two partial methods.  If there's another, skip this one.
                if (TypeState.Instance.Partials.SelectMany(o => o.Syntax.As <ClassDeclarationSyntax>().Members)
                    .OfType <MethodDeclarationSyntax>()
                    .Except(method as MethodDeclarationSyntax)
                    .Where(o => o.Identifier.ValueText == methodSymbol.Name)
                    .Any())
                {
                    return;
                }
            }

            if (methodSymbol.Name == "System.Collections.IEnumerable.GetEnumerator")
            {
                return; //we don't support the non-generic enumerator
            }
            if (methodSymbol.Name == "GetEnumerator")
            {
                WriteGetEnumeratorFunction(writer, method, methodSymbol);
                return;
            }

            writer.WriteIndent();

            if (ShouldUseOverrideKeyword(method, methodSymbol))
            {
                writer.Write("override ");
            }
            if (method.Modifiers.Any(SyntaxKind.PublicKeyword) || method.Modifiers.Any(SyntaxKind.ProtectedKeyword) || method.Modifiers.Any(SyntaxKind.InternalKeyword))
            {
                writer.Write("public ");
            }
            if (method.Modifiers.Any(SyntaxKind.PrivateKeyword))
            {
                writer.Write("private ");
            }
            if (method.Modifiers.Any(SyntaxKind.StaticKeyword))
            {
                writer.Write("static ");
            }

            writer.Write("function ");
            var methodName = OverloadResolver.MethodName(methodSymbol);

            if (methodName == "ToString")
            {
                methodName = "toString";
            }

            writer.Write(methodName);

            if (typeParameterListOpt != null)
            {
                writer.Write("<");
                writer.Write(string.Join(", ", typeParameterListOpt.Parameters.Select(o => TypeParameter(o, constraintClassesOpt))));
                writer.Write(">");
            }

            writer.Write("(");

            Dictionary <string, ExpressionSyntax> deferredDefaults;

            WriteParameters(writer, method, methodSymbol, out deferredDefaults);

            writer.Write(")");
            writer.Write(TypeProcessor.ConvertTypeWithColon(returnType));

            if (method.Modifiers.Any(SyntaxKind.AbstractKeyword))
            {
                writer.WriteLine();
                writer.WriteOpenBrace();
                writer.WriteIndent();

                if (returnType.ToString() != "void")
                {
                    writer.Write("return ");                     //"return" the throw statement to work around haxe limitations
                }
                writer.Write("throw new Exception(\"Abstract item called\");\r\n");
                writer.WriteCloseBrace();
            }
            else if (method.Parent is InterfaceDeclarationSyntax)
            {
                writer.Write(";\r\n");
            }
            else
            {
                writer.WriteLine();
                writer.WriteOpenBrace();

                foreach (var defer in deferredDefaults)
                {
                    writer.WriteLine("if (" + defer.Key + " == null)");
                    writer.Indent++;
                    writer.WriteIndent();
                    writer.Write(defer.Key);
                    writer.Write(" = ");
                    Core.Write(writer, defer.Value);
                    writer.Write(";\r\n");
                    writer.Indent--;
                }

                if (method.Body != null)
                {
                    foreach (var statement in method.Body.Statements)
                    {
                        Core.Write(writer, statement);
                    }

                    TriviaProcessor.ProcessTrivias(writer, method.Body.DescendantTrivia());
                }

                writer.WriteCloseBrace();
            }
        }
Example #4
0
        public static void WriteInstanceConstructor(HaxeWriter writer, ConstructorDeclarationSyntax ctorOpt)
        {
            writer.WriteIndent();

            writer.Write("public function new(");

            Dictionary <string, ExpressionSyntax> deferredDefaults = null;

            if (ctorOpt != null)
            {
                var methodSymbol = Program.GetModel(ctorOpt).GetDeclaredSymbol(ctorOpt);
                WriteMethod.WriteParameters(writer, ctorOpt, methodSymbol, out deferredDefaults);
            }

            writer.Write(")\r\n");
            writer.WriteOpenBrace();

            if (deferredDefaults != null)
            {
                foreach (var defer in deferredDefaults)
                {
                    writer.WriteLine("if (" + defer.Key + " == null)");
                    writer.Indent++;
                    writer.WriteIndent();
                    writer.Write(defer.Key);
                    writer.Write(" = ");
                    Core.Write(writer, defer.Value);
                    writer.Write(";\r\n");
                    writer.Indent--;
                }
            }

            if (!TypeState.Instance.DerivesFromObject)
            {
                if (ctorOpt == null || ctorOpt.Initializer == null)
                {
                    writer.WriteLine("super();");
                }
                else
                {
                    if (ctorOpt.Initializer.ThisOrBaseKeyword.ToString() != "base")
                    {
                        throw new Exception("Constructor overloading not supported " + Utility.Descriptor(ctorOpt));
                    }

                    writer.WriteIndent();
                    writer.Write("super(");

                    bool first = true;
                    foreach (var init in ctorOpt.Initializer.ArgumentList.Arguments)
                    {
                        if (first)
                        {
                            first = false;
                        }
                        else
                        {
                            writer.Write(", ");
                        }

                        Core.Write(writer, init.Expression);
                    }

                    writer.Write(");\r\n");
                }
            }


            if (ctorOpt != null && ctorOpt.Body != null)
            {
                foreach (var statement in ctorOpt.Body.As <BlockSyntax>().Statements)
                {
                    Core.Write(writer, statement);
                }

                TriviaProcessor.ProcessTrivias(writer, ctorOpt.Body.DescendantTrivia());
            }

            writer.WriteCloseBrace();
        }
Example #5
0
        public static void WriteInstanceConstructor(HaxeWriter writer, ConstructorDeclarationSyntax ctorOpt)
        {
            writer.WriteIndent();

            writer.Write("public function new(");


            if (ctorOpt != null)
            {
                var firstParameter = true;
                foreach (var parameter in ctorOpt.ParameterList.Parameters)
                {
                    if (firstParameter)
                    {
                        firstParameter = false;
                    }
                    else
                    {
                        writer.Write(", ");
                    }

                    writer.Write(parameter.Identifier.ValueText);
                    writer.Write(TypeProcessor.ConvertTypeWithColon(parameter.Type));

                    if (parameter.Default != null)
                    {
                        writer.Write(" = ");
                        Core.Write(writer, parameter.Default.Value);
                    }
                }
            }

            writer.Write(")\r\n");
            writer.WriteOpenBrace();

            if (!TypeState.Instance.DerivesFromObject)
            {
                if (ctorOpt == null || ctorOpt.Initializer == null)
                {
                    writer.WriteLine("super();");
                }
                else
                {
                    if (ctorOpt.Initializer.ThisOrBaseKeyword.ToString() != "base")
                    {
                        throw new Exception("Constructor overloading not supported " + Utility.Descriptor(ctorOpt));
                    }

                    writer.WriteIndent();
                    writer.Write("super(");

                    bool first = true;
                    foreach (var init in ctorOpt.Initializer.ArgumentList.Arguments)
                    {
                        if (first)
                        {
                            first = false;
                        }
                        else
                        {
                            writer.Write(", ");
                        }

                        Core.Write(writer, init.Expression);
                    }

                    writer.Write(");\r\n");
                }
            }


            foreach (var field in TypeState.Instance.AllMembers
                     .OfType <BaseFieldDeclarationSyntax>()
                     .Where(o => !o.Modifiers.Any(SyntaxKind.StaticKeyword))
                     .SelectMany(o => o.Declaration.Variables)
                     .Where(o =>
                            (o.Initializer != null && !WriteField.IsConst(o.Parent.Parent.As <BaseFieldDeclarationSyntax>().Modifiers, o.Initializer, o.Parent.As <VariableDeclarationSyntax>().Type))
                            ||
                            (o.Initializer == null && GenerateInitializerForFieldWithoutInitializer(o.Parent.As <VariableDeclarationSyntax>().Type))
                            ||
                            o.Parent.Parent is EventFieldDeclarationSyntax))
            {
                var parentType = field.Parent.As <VariableDeclarationSyntax>().Type;

                writer.WriteIndent();
                writer.Write(field.Identifier.ValueText);
                writer.Write(" = ");

                if (field.Parent.Parent is EventFieldDeclarationSyntax)
                {
                    writer.Write("new CsEvent<");
                    writer.Write(TypeProcessor.ConvertType(parentType));
                    writer.Write(">()");
                }
                else if (field.Initializer == null)
                {
                    if (TypeProcessor.ValueToReference(parentType))
                    {
                        writer.Write("new ");
                        writer.Write(TypeProcessor.ConvertType(parentType));
                        writer.Write("()");
                    }
                    else
                    {
                        writer.Write(TypeProcessor.DefaultValue(TypeProcessor.ConvertType(parentType)));
                    }
                }
                else
                {
                    Core.Write(writer, field.Initializer.Value);
                }

                writer.Write(";\r\n");
            }



            if (ctorOpt != null && ctorOpt.Body != null)
            {
                foreach (var statement in ctorOpt.Body.As <BlockSyntax>().Statements)
                {
                    Core.Write(writer, statement);
                }

                TriviaProcessor.ProcessTrivias(writer, ctorOpt.Body.DescendantTrivia());
            }

            writer.WriteCloseBrace();
        }
Example #6
0
        public static void Go(HaxeWriter writer, MethodDeclarationSyntax method)
        {
            if (method.Modifiers.Any(SyntaxKind.PartialKeyword) && method.Body == null)
            {
                //We only want to render out one of the two partial methods.  If there's another, skip this one.
                if (TypeState.Instance.Partials.SelectMany(o => o.Syntax.As <ClassDeclarationSyntax>().Members)
                    .OfType <MethodDeclarationSyntax>()
                    .Except(method)
                    .Where(o => o.Identifier.ValueText == method.Identifier.ValueText)
                    .Any())
                {
                    return;
                }
            }

            if (method.Identifier.ValueText == "GetEnumerator")
            {
                return;                 //skip GetEnumerator methods -- haxe can't enumerate on objects.  TODO: Render these out, but convert them to array-returning methods
            }
            var methodSymbol = Program.GetModel(method).GetDeclaredSymbol(method);

            writer.WriteIndent();

            if (ShouldUseOverrideKeyword(method, methodSymbol))
            {
                writer.Write("override ");
            }
            if (method.Modifiers.Any(SyntaxKind.PublicKeyword) || method.Modifiers.Any(SyntaxKind.ProtectedKeyword) || method.Modifiers.Any(SyntaxKind.InternalKeyword))
            {
                writer.Write("public ");
            }
            if (method.Modifiers.Any(SyntaxKind.PrivateKeyword))
            {
                writer.Write("private ");
            }
            if (method.Modifiers.Any(SyntaxKind.StaticKeyword))
            {
                writer.Write("static ");
            }

            writer.Write("function ");
            var methodName = OverloadResolver.MethodName(methodSymbol);

            if (methodName == "ToString")
            {
                methodName = "toString";
            }

            writer.Write(methodName);

            if (method.TypeParameterList != null)
            {
                writer.Write("<");
                writer.Write(string.Join(", ", method.TypeParameterList.Parameters.Select(o => TypeParameter(o, method.ConstraintClauses))));
                writer.Write(">");
            }

            writer.Write("(");
            var deferredDefaults = new Dictionary <string, ExpressionSyntax>();

            var firstParam = true;

            foreach (var parameter in method.ParameterList.Parameters)
            {
                bool isRef = parameter.Modifiers.Any(SyntaxKind.OutKeyword) || parameter.Modifiers.Any(SyntaxKind.RefKeyword);

                if (firstParam)
                {
                    firstParam = false;
                }
                else
                {
                    writer.Write(", ");
                }

                writer.Write(parameter.Identifier.ValueText);

                if (isRef)
                {
                    writer.Write(":CsRef<");
                    writer.Write(TypeProcessor.ConvertType(parameter.Type));
                    writer.Write(">");

                    Program.RefOutSymbols.TryAdd(Program.GetModel(method).GetDeclaredSymbol(parameter), null);
                }
                else
                {
                    writer.Write(TypeProcessor.ConvertTypeWithColon(parameter.Type));
                }

                if (parameter.Default != null)
                {
                    writer.Write(" = ");

                    if (TypeProcessor.ConvertType(parameter.Type).StartsWith("Nullable"))
                    {
                        writer.Write("null");
                        deferredDefaults.Add(parameter.Identifier.ValueText, parameter.Default.Value);
                    }
                    else
                    {
                        Core.Write(writer, parameter.Default.Value);
                    }
                }
            }

            writer.Write(")");
            writer.Write(TypeProcessor.ConvertTypeWithColon(method.ReturnType));

            if (method.Modifiers.Any(SyntaxKind.AbstractKeyword))
            {
                writer.WriteLine();
                writer.WriteOpenBrace();
                writer.WriteIndent();

                if (method.ReturnType.ToString() != "void")
                {
                    writer.Write("return ");                     //"return" the throw statement to work around haxe limitations
                }
                writer.Write("throw new Exception(\"Abstract item called\");\r\n");
                writer.WriteCloseBrace();
            }
            else if (method.Parent is InterfaceDeclarationSyntax)
            {
                writer.Write(";\r\n");
            }
            else
            {
                writer.WriteLine();
                writer.WriteOpenBrace();

                foreach (var defer in deferredDefaults)
                {
                    writer.WriteLine("if (" + defer.Key + " == null)");
                    writer.Indent++;
                    writer.WriteIndent();
                    writer.Write(defer.Key);
                    writer.Write(" = ");
                    Core.Write(writer, defer.Value);
                    writer.Write(";\r\n");
                    writer.Indent--;
                }

                if (method.Body != null)
                {
                    foreach (var statement in method.Body.Statements)
                    {
                        Core.Write(writer, statement);
                    }

                    TriviaProcessor.ProcessTrivias(writer, method.Body.DescendantTrivia());
                }

                writer.WriteCloseBrace();
            }
        }