Пример #1
0
        protected void VisitMethodDeclaration(MethodDeclaration methodDeclaration)
        {
            foreach (var attrSection in methodDeclaration.Attributes)
            {
                foreach (var attr in attrSection.Attributes)
                {
                    var rr = this.Emitter.Resolver.ResolveNode(attr.Type, this.Emitter);
                    if (rr.Type.FullName == "Bridge.ExternalAttribute")
                    {
                        return;
                    }
                    else if (rr.Type.FullName == "Bridge.InitAttribute")
                    {
                        InitPosition initPosition = InitPosition.After;

                        if (attr.HasArgumentList)
                        {
                            if (attr.Arguments.Any())
                            {
                                var argExpr = attr.Arguments.First();
                                var argrr   = this.Emitter.Resolver.ResolveNode(argExpr, this.Emitter);
                                if (argrr.ConstantValue is int)
                                {
                                    initPosition = (InitPosition)argrr.ConstantValue;
                                }
                            }
                        }

                        if (initPosition > 0)
                        {
                            return;
                        }
                    }
                }
            }

            this.EnsureComma();
            this.ResetLocals();

            var prevMap      = this.BuildLocalsMap();
            var prevNamesMap = this.BuildLocalsNamesMap();

            this.AddLocals(methodDeclaration.Parameters, methodDeclaration.Body);

            var overloads = OverloadsCollection.Create(this.Emitter, methodDeclaration);

            XmlToJsDoc.EmitComment(this, this.MethodDeclaration);
            var isEntryPoint = Helpers.IsEntryPointMethod(this.Emitter, this.MethodDeclaration);
            var member_rr    = (MemberResolveResult)this.Emitter.Resolver.ResolveNode(this.MethodDeclaration, this.Emitter);

            string name = overloads.GetOverloadName(false, null, excludeTypeOnly: OverloadsCollection.ExcludeTypeParameterForDefinition(member_rr));

            if (isEntryPoint)
            {
                this.Write(JS.Funcs.ENTRY_POINT_NAME);
            }
            else
            {
                this.Write(name);
            }

            this.WriteColon();

            this.WriteFunction();

            if (isEntryPoint)
            {
                this.Write(name);
                this.WriteSpace();
            }
            else
            {
                var nm = Helpers.GetFunctionName(this.Emitter.AssemblyInfo.NamedFunctions, member_rr.Member, this.Emitter);
                if (nm != null)
                {
                    this.Write(nm);
                    this.WriteSpace();
                }
            }

            this.EmitMethodParameters(methodDeclaration.Parameters, methodDeclaration.TypeParameters.Count > 0 && Helpers.IsIgnoreGeneric(methodDeclaration, this.Emitter) ? null : methodDeclaration.TypeParameters, methodDeclaration);

            this.WriteSpace();

            var script = this.Emitter.GetScript(methodDeclaration);

            if (script == null)
            {
                if (YieldBlock.HasYield(methodDeclaration.Body))
                {
                    new GeneratorBlock(this.Emitter, methodDeclaration).Emit();
                }
                else if (methodDeclaration.HasModifier(Modifiers.Async) || AsyncBlock.HasGoto(methodDeclaration.Body))
                {
                    new AsyncBlock(this.Emitter, methodDeclaration).Emit();
                }
                else
                {
                    methodDeclaration.Body.AcceptVisitor(this.Emitter);
                }
            }
            else
            {
                this.BeginBlock();

                this.WriteLines(script);

                this.EndBlock();
            }

            this.ClearLocalsMap(prevMap);
            this.ClearLocalsNamesMap(prevNamesMap);
            this.Emitter.Comma = true;
        }
Пример #2
0
        protected virtual void EmitLambda(IEnumerable <ParameterDeclaration> parameters, AstNode body, AstNode context)
        {
            var analyzer = new CaptureAnalyzer(this.Emitter.Resolver.Resolver);

            analyzer.Analyze(this.Body, this.Parameters.Select(p => p.Name));

            var oldLevel = this.Emitter.Level;

            if (analyzer.UsedVariables.Count == 0)
            {
                this.Emitter.Level = 1;
            }

            AsyncBlock asyncBlock = null;

            this.PushLocals();

            if (this.IsAsync)
            {
                if (context is LambdaExpression)
                {
                    asyncBlock = new AsyncBlock(this.Emitter, (LambdaExpression)context);
                }
                else
                {
                    asyncBlock = new AsyncBlock(this.Emitter, (AnonymousMethodExpression)context);
                }

                asyncBlock.InitAsyncBlock();
            }

            var prevMap      = this.BuildLocalsMap();
            var prevNamesMap = this.BuildLocalsNamesMap();

            this.AddLocals(parameters, body);

            bool block = body is BlockStatement;

            this.Write("");

            var savedPos       = this.Emitter.Output.Length;
            var savedThisCount = this.Emitter.ThisRefCounter;

            this.WriteFunction();
            this.EmitMethodParameters(parameters, null, context);
            this.WriteSpace();

            int pos = 0;

            if (!block && !this.IsAsync)
            {
                this.BeginBlock();
                pos = this.Emitter.Output.Length;
            }

            bool isSimpleLambda = body.Parent is LambdaExpression && !block && !this.IsAsync;

            if (isSimpleLambda)
            {
                this.ConvertParamsToReferences(parameters);
                var rr = this.Emitter.Resolver.ResolveNode(this.Context, this.Emitter) as LambdaResolveResult;

                if (rr == null || rr.ReturnType.Kind != TypeKind.Void)
                {
                    this.WriteReturn(true);
                }
            }

            if (this.IsAsync)
            {
                asyncBlock.Emit(true);
            }
            else
            {
                body.AcceptVisitor(this.Emitter);
            }

            if (isSimpleLambda)
            {
                this.WriteSemiColon();
            }

            if (!block && !this.IsAsync)
            {
                this.WriteNewLine();
                this.EndBlock();
            }

            if (!block && !this.IsAsync)
            {
                this.EmitTempVars(pos);
            }

            if (analyzer.UsedVariables.Count == 0)
            {
                var name = "f" + (this.Emitter.NamedFunctions.Count + 1);
                var code = this.Emitter.Output.ToString().Substring(savedPos);
                var pair = this.Emitter.NamedFunctions.FirstOrDefault(p => p.Value == code);

                if (pair.Key != null && pair.Value != null)
                {
                    name = pair.Key;
                }
                else
                {
                    this.Emitter.NamedFunctions.Add(name, code);
                }

                this.Emitter.Output.Remove(savedPos, this.Emitter.Output.Length - savedPos);
                this.Emitter.Output.Insert(savedPos, "$_." + BridgeTypes.ToJsName(this.Emitter.TypeInfo.Type, this.Emitter, true) + "." + name);
                this.Emitter.Level = oldLevel;
            }

            if (this.Emitter.ThisRefCounter > savedThisCount)
            {
                this.Emitter.Output.Insert(savedPos, Bridge.Translator.Emitter.ROOT + "." + Bridge.Translator.Emitter.DELEGATE_BIND + "(this, ");
                this.WriteCloseParentheses();
            }

            this.PopLocals();
            this.ClearLocalsMap(prevMap);
            this.ClearLocalsNamesMap(prevNamesMap);
        }
Пример #3
0
        protected virtual void EmitLambda(IEnumerable<ParameterDeclaration> parameters, AstNode body, AstNode context)
        {
            AsyncBlock asyncBlock = null;
            this.PushLocals();

            if (this.IsAsync)
            {
                if (context is LambdaExpression)
                {
                    asyncBlock = new AsyncBlock(this.Emitter, (LambdaExpression)context);
                }
                else
                {
                    asyncBlock = new AsyncBlock(this.Emitter, (AnonymousMethodExpression)context);
                }

                asyncBlock.InitAsyncBlock();
            }

            var prevMap = this.BuildLocalsMap();
            var prevNamesMap = this.BuildLocalsNamesMap();
            this.AddLocals(parameters, body);

            bool block = body is BlockStatement;
            this.Write("");

            var savedPos = this.Emitter.Output.Length;
            var savedThisCount = this.Emitter.ThisRefCounter;

            this.WriteFunction();
            this.EmitMethodParameters(parameters, context);
            this.WriteSpace();

            if (!block && !this.IsAsync)
            {
                this.BeginBlock();
            }

            bool isSimpleLambda = body.Parent is LambdaExpression && !block && !this.IsAsync;

            if (isSimpleLambda)
            {
                this.ConvertParamsToReferences(parameters);
                this.WriteReturn(true);
            }

            if (this.IsAsync)
            {
                asyncBlock.Emit(true);
            }
            else
            {
                body.AcceptVisitor(this.Emitter);
            }

            if (isSimpleLambda)
            {
                this.WriteSemiColon();
            }

            if (!block && !this.IsAsync)
            {
                this.WriteNewLine();
                this.EndBlock();
            }

            if (this.Emitter.ThisRefCounter > savedThisCount)
            {
                this.Emitter.Output.Insert(savedPos, Bridge.Translator.Emitter.ROOT + "." + Bridge.Translator.Emitter.DELEGATE_BIND + "(this, ");
                this.WriteCloseParentheses();
            }

            this.PopLocals();
            this.ClearLocalsMap(prevMap);
            this.ClearLocalsNamesMap(prevNamesMap);
        }
Пример #4
0
        protected virtual void EmitLambda(IEnumerable <ParameterDeclaration> parameters, AstNode body, AstNode context)
        {
            var rr         = this.Emitter.Resolver.ResolveNode(context, this.Emitter);
            var oldLifting = this.Emitter.ForbidLifting;

            this.Emitter.ForbidLifting = false;
            var analyzer = new CaptureAnalyzer(this.Emitter);

            analyzer.Analyze(this.Body, this.Parameters.Select(p => p.Name));

            var oldLevel = this.Emitter.Level;

            if (analyzer.UsedVariables.Count == 0)
            {
                this.Emitter.ResetLevel();
                Indent();
            }

            AsyncBlock asyncBlock = null;

            this.PushLocals();

            if (this.IsAsync)
            {
                if (context is LambdaExpression)
                {
                    asyncBlock = new AsyncBlock(this.Emitter, (LambdaExpression)context);
                }
                else
                {
                    asyncBlock = new AsyncBlock(this.Emitter, (AnonymousMethodExpression)context);
                }

                asyncBlock.InitAsyncBlock();
            }

            var prevMap      = this.BuildLocalsMap();
            var prevNamesMap = this.BuildLocalsNamesMap();

            this.AddLocals(parameters, body);

            bool block = body is BlockStatement;

            this.Write("");

            var savedPos          = this.Emitter.Output.Length;
            var savedThisCount    = this.Emitter.ThisRefCounter;
            var capturedVariables = this.GetCapturedLoopVariables();

            if (capturedVariables != null && capturedVariables.Length > 0)
            {
                this.Write("(function (" + string.Join(", ", capturedVariables) + ") ");
                this.BeginBlock();
                this.Write("return ");
            }

            this.WriteFunction();
            this.EmitMethodParameters(parameters, null, context);
            this.WriteSpace();

            int pos = 0;

            if (!block && !this.IsAsync)
            {
                this.BeginBlock();
                pos = this.Emitter.Output.Length;
            }

            bool isSimpleLambda = body.Parent is LambdaExpression && !block && !this.IsAsync;

            if (isSimpleLambda)
            {
                this.ConvertParamsToReferences(parameters);
                var lrr = rr as LambdaResolveResult;

                if (lrr == null || lrr.ReturnType.Kind != TypeKind.Void)
                {
                    this.WriteReturn(true);
                }
            }

            if (this.IsAsync)
            {
                asyncBlock.Emit(true);
            }
            else
            {
                body.AcceptVisitor(this.Emitter);
            }

            if (isSimpleLambda)
            {
                this.WriteSemiColon();
            }

            if (!block && !this.IsAsync)
            {
                this.WriteNewLine();
                this.EndBlock();
            }

            if (!block && !this.IsAsync)
            {
                this.EmitTempVars(pos);
            }

            if (analyzer.UsedVariables.Count == 0)
            {
                if (!this.Emitter.ForbidLifting)
                {
                    var name = "f" + (this.Emitter.NamedFunctions.Count + 1);
                    var code = this.Emitter.Output.ToString().Substring(savedPos);
                    var pair = this.Emitter.NamedFunctions.FirstOrDefault(p => p.Value == code);

                    if (pair.Key != null && pair.Value != null)
                    {
                        name = pair.Key;
                    }
                    else
                    {
                        this.Emitter.NamedFunctions.Add(name, code);
                    }

                    this.Emitter.Output.Remove(savedPos, this.Emitter.Output.Length - savedPos);
                    this.Emitter.Output.Insert(savedPos, JS.Vars.D_ + "." + BridgeTypes.ToJsName(this.Emitter.TypeInfo.Type, this.Emitter, true) + "." + name);
                }

                this.Emitter.ResetLevel(oldLevel);
            }

            this.Emitter.ForbidLifting = oldLifting;


            var methodDeclaration = this.Body.GetParent <MethodDeclaration>();

            if (this.Emitter.ThisRefCounter > savedThisCount || this.IsAsync && methodDeclaration != null && !methodDeclaration.HasModifier(Modifiers.Static))
            {
                this.Emitter.Output.Insert(savedPos, JS.Funcs.BRIDGE_BIND + "(this, ");
                this.WriteCloseParentheses();
            }

            if (capturedVariables != null && capturedVariables.Length > 0)
            {
                this.WriteSemiColon(true);
                this.EndBlock();
                this.Write(")(" + string.Join(", ", capturedVariables) + ")");
            }

            this.PopLocals();
            this.ClearLocalsMap(prevMap);
            this.ClearLocalsNamesMap(prevNamesMap);
        }
Пример #5
0
        protected virtual void EmitLambda(IEnumerable <ParameterDeclaration> parameters, AstNode body, AstNode context)
        {
            AsyncBlock asyncBlock = null;

            this.PushLocals();

            if (this.IsAsync)
            {
                if (context is LambdaExpression)
                {
                    asyncBlock = new AsyncBlock(this.Emitter, (LambdaExpression)context);
                }
                else
                {
                    asyncBlock = new AsyncBlock(this.Emitter, (AnonymousMethodExpression)context);
                }

                asyncBlock.InitAsyncBlock();
            }

            var prevMap      = this.BuildLocalsMap();
            var prevNamesMap = this.BuildLocalsNamesMap();

            this.AddLocals(parameters, body);

            bool block = body is BlockStatement;

            this.Write("");

            var savedPos       = this.Emitter.Output.Length;
            var savedThisCount = this.Emitter.ThisRefCounter;

            this.WriteFunction();
            this.EmitMethodParameters(parameters, context);
            this.WriteSpace();

            int pos = 0;

            if (!block && !this.IsAsync)
            {
                this.BeginBlock();
                pos = this.Emitter.Output.Length;
            }

            bool isSimpleLambda = body.Parent is LambdaExpression && !block && !this.IsAsync;

            if (isSimpleLambda)
            {
                this.ConvertParamsToReferences(parameters);
                var rr = this.Emitter.Resolver.ResolveNode(this.Context, this.Emitter) as LambdaResolveResult;

                if (rr == null || rr.ReturnType.Kind != TypeKind.Void)
                {
                    this.WriteReturn(true);
                }
            }

            if (this.IsAsync)
            {
                asyncBlock.Emit(true);
            }
            else
            {
                body.AcceptVisitor(this.Emitter);
            }

            if (isSimpleLambda)
            {
                this.WriteSemiColon();
            }

            if (!block && !this.IsAsync)
            {
                this.WriteNewLine();
                this.EndBlock();
            }

            if (!block && !this.IsAsync)
            {
                this.EmitTempVars(pos);
            }

            this.PopLocals();
            this.ClearLocalsMap(prevMap);
            this.ClearLocalsNamesMap(prevNamesMap);
        }
Пример #6
0
        protected void VisitMethodDeclaration(MethodDeclaration methodDeclaration)
        {
            foreach (var attrSection in methodDeclaration.Attributes)
            {
                foreach (var attr in attrSection.Attributes)
                {
                    var rr = this.Emitter.Resolver.ResolveNode(attr.Type, this.Emitter);
                    if (rr.Type.FullName == "Bridge.ExternalAttribute")
                    {
                        return;
                    }
                    else if (rr.Type.FullName == "Bridge.InitAttribute")
                    {
                        int initPosition = 0;

                        if (attr.HasArgumentList)
                        {
                            if (attr.Arguments.Any())
                            {
                                var argExpr = attr.Arguments.First();
                                var argrr   = this.Emitter.Resolver.ResolveNode(argExpr, this.Emitter);
                                if (argrr.ConstantValue is int)
                                {
                                    initPosition = (int)argrr.ConstantValue;
                                }
                            }
                        }

                        if (initPosition > 0)
                        {
                            return;
                        }
                    }
                }
            }

            this.EnsureComma();
            this.ResetLocals();

            var prevMap      = this.BuildLocalsMap();
            var prevNamesMap = this.BuildLocalsNamesMap();

            this.AddLocals(methodDeclaration.Parameters, methodDeclaration.Body);

            var overloads = OverloadsCollection.Create(this.Emitter, methodDeclaration);

            XmlToJsDoc.EmitComment(this, this.MethodDeclaration);

            string name = overloads.GetOverloadName(false, null, true);

            if (Helpers.IsEntryPointMethod(this.Emitter, methodDeclaration))
            {
                name = JS.Fields.MAIN;
            }

            this.Write(name);

            this.WriteColon();

            this.WriteFunction();

            if (this.Emitter.AssemblyInfo.EnableNamedFunctionExpressions)
            {
                // If the option enabled then use named function expressions (see #2407)
                // like doSomething: function doSomething() { }
                // instead of doSomething: function () { }
                this.Write(name);
            }

            this.EmitMethodParameters(methodDeclaration.Parameters, methodDeclaration.TypeParameters.Count > 0 && Helpers.IsIgnoreGeneric(methodDeclaration, this.Emitter) ? null : methodDeclaration.TypeParameters, methodDeclaration);

            this.WriteSpace();

            var script = this.Emitter.GetScript(methodDeclaration);

            if (script == null)
            {
                if (YieldBlock.HasYield(methodDeclaration.Body))
                {
                    new GeneratorBlock(this.Emitter, methodDeclaration).Emit();
                }
                else if (methodDeclaration.HasModifier(Modifiers.Async) || AsyncBlock.HasGoto(methodDeclaration.Body))
                {
                    new AsyncBlock(this.Emitter, methodDeclaration).Emit();
                }
                else
                {
                    methodDeclaration.Body.AcceptVisitor(this.Emitter);
                }
            }
            else
            {
                this.BeginBlock();

                this.WriteLines(script);

                this.EndBlock();
            }

            this.ClearLocalsMap(prevMap);
            this.ClearLocalsNamesMap(prevNamesMap);
            this.Emitter.Comma = true;
        }
Пример #7
0
        protected virtual void EmitLambda(IEnumerable <ParameterDeclaration> parameters, AstNode body, AstNode context)
        {
            AsyncBlock asyncBlock = null;

            this.PushLocals();

            if (this.IsAsync)
            {
                if (context is LambdaExpression)
                {
                    asyncBlock = new AsyncBlock(this.Emitter, (LambdaExpression)context);
                }
                else
                {
                    asyncBlock = new AsyncBlock(this.Emitter, (AnonymousMethodExpression)context);
                }

                asyncBlock.InitAsyncBlock();
            }

            var prevMap      = this.BuildLocalsMap();
            var prevNamesMap = this.BuildLocalsNamesMap();

            this.AddLocals(parameters, body);


            bool block = body is BlockStatement;

            this.Write("");

            var savedPos       = this.Emitter.Output.Length;
            var savedThisCount = this.Emitter.ThisRefCounter;

            this.WriteFunction();
            this.EmitMethodParameters(parameters, context);
            this.WriteSpace();

            if (!block && !this.IsAsync)
            {
                this.BeginBlock();
            }

            bool isSimpleLambda = body.Parent is LambdaExpression && !block && !this.IsAsync;

            if (isSimpleLambda)
            {
                this.ConvertParamsToReferences(parameters);
                this.WriteReturn(true);
            }

            if (this.IsAsync)
            {
                asyncBlock.Emit(true);
            }
            else
            {
                body.AcceptVisitor(this.Emitter);
            }

            if (isSimpleLambda)
            {
                this.WriteSemiColon();
            }

            if (!block && !this.IsAsync)
            {
                this.WriteNewLine();
                this.EndBlock();
            }

            if (this.Emitter.ThisRefCounter > savedThisCount)
            {
                this.Emitter.Output.Insert(savedPos, Bridge.Translator.Emitter.ROOT + "." + Bridge.Translator.Emitter.DELEGATE_BIND + "(this, ");
                this.WriteCloseParentheses();
            }


            this.PopLocals();
            this.ClearLocalsMap(prevMap);
            this.ClearLocalsNamesMap(prevNamesMap);
        }