示例#1
0
        public virtual void EmitPropertyMethod(PropertyDeclaration propertyDeclaration, Accessor accessor, IMethod method, bool setter, bool isObjectLiteral)
        {
            if ((!accessor.IsNull || method != null && Helpers.IsScript(method)) && this.Emitter.GetInline(accessor) == null)
            {
                this.EnsureComma();

                this.ResetLocals();

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

                if (setter)
                {
                    this.AddLocals(new ParameterDeclaration[] { new ParameterDeclaration {
                                                                    Name = "value"
                                                                } }, accessor.Body);
                }
                else
                {
                    this.AddLocals(new ParameterDeclaration[0], accessor.Body);
                }

                //XmlToJsDoc.EmitComment(this, this.PropertyDeclaration);

                this.Write(setter ? JS.Funcs.Property.SET : JS.Funcs.Property.GET);

                this.WriteColon();
                this.WriteFunction();
                this.WriteOpenParentheses();
                this.Write(setter ? "value" : "");
                this.WriteCloseParentheses();
                this.WriteSpace();

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

                if (script == null)
                {
                    if (YieldBlock.HasYield(accessor.Body))
                    {
                        new GeneratorBlock(this.Emitter, accessor).Emit();
                    }
                    else
                    {
                        accessor.Body.AcceptVisitor(this.Emitter);
                    }
                }
                else
                {
                    this.BeginBlock();

                    this.WriteLines(script);

                    this.EndBlock();
                }

                this.ClearLocalsMap(prevMap);
                this.ClearLocalsNamesMap(prevNamesMap);
                this.Emitter.Comma = true;
            }
        }
示例#2
0
        public void DoEmitBlock()
        {
            if (this.BlockStatement.Parent is MethodDeclaration)
            {
                this.IsMethodBlock = true;
                var methodDeclaration = (MethodDeclaration)this.BlockStatement.Parent;
                if (!methodDeclaration.ReturnType.IsNull)
                {
                    var rr = this.Emitter.Resolver.ResolveNode(methodDeclaration.ReturnType, this.Emitter);
                    this.ReturnType = rr.Type;
                }
                this.ConvertParamsToReferences(methodDeclaration.Parameters);
            }
            else if (this.BlockStatement.Parent is AnonymousMethodExpression)
            {
                this.IsMethodBlock = true;
                var methodDeclaration = (AnonymousMethodExpression)this.BlockStatement.Parent;
                var rr = this.Emitter.Resolver.ResolveNode(methodDeclaration, this.Emitter);
                this.ReturnType = rr.Type;
                this.ConvertParamsToReferences(methodDeclaration.Parameters);
            }
            else if (this.BlockStatement.Parent is LambdaExpression)
            {
                this.IsMethodBlock = true;
                var methodDeclaration = (LambdaExpression)this.BlockStatement.Parent;
                var rr = this.Emitter.Resolver.ResolveNode(methodDeclaration, this.Emitter);
                this.ReturnType = rr.Type;
                this.ConvertParamsToReferences(methodDeclaration.Parameters);
            }
            else if (this.BlockStatement.Parent is ConstructorDeclaration)
            {
                this.IsMethodBlock = true;
                this.ConvertParamsToReferences(((ConstructorDeclaration)this.BlockStatement.Parent).Parameters);
            }
            else if (this.BlockStatement.Parent is OperatorDeclaration)
            {
                this.IsMethodBlock = true;
                this.ConvertParamsToReferences(((OperatorDeclaration)this.BlockStatement.Parent).Parameters);
            }
            else if (this.BlockStatement.Parent is Accessor)
            {
                this.IsMethodBlock = true;
                var role = this.BlockStatement.Parent.Role.ToString();

                if (role == "Setter")
                {
                    this.ConvertParamsToReferences(new ParameterDeclaration[] { new ParameterDeclaration {
                                                                                    Name = "value"
                                                                                } });
                }
                else if (role == "Getter")
                {
                    var methodDeclaration = (Accessor)this.BlockStatement.Parent;
                    if (!methodDeclaration.ReturnType.IsNull)
                    {
                        var rr = this.Emitter.Resolver.ResolveNode(methodDeclaration.ReturnType, this.Emitter);
                        this.ReturnType = rr.Type;
                    }
                }
            }

            if (this.IsMethodBlock && YieldBlock.HasYield(this.BlockStatement))
            {
                this.IsYield = true;
            }

            if (this.IsMethodBlock)
            {
                this.OldReturnType      = this.Emitter.ReturnType;
                this.Emitter.ReturnType = this.ReturnType;
            }

            if (this.Emitter.BeforeBlock != null)
            {
                this.Emitter.BeforeBlock();
                this.Emitter.BeforeBlock = null;
            }

            var ra = ReachabilityAnalysis.Create(this.BlockStatement, this.Emitter.Resolver.Resolver);

            this.BlockStatement.Children.ToList().ForEach(child =>
            {
                var statement = child as Statement;
                if (statement != null && !ra.IsReachable(statement))
                {
                    return;
                }

                child.AcceptVisitor(this.Emitter);
            });
        }
示例#3
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;
        }
示例#4
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();

            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))
                {
                    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;
        }
示例#5
0
        public virtual void EmitPropertyMethod(PropertyDeclaration propertyDeclaration, Accessor accessor, bool setter, bool isObjectLiteral)
        {
            var memberResult = this.Emitter.Resolver.ResolveNode(propertyDeclaration, this.Emitter) as MemberResolveResult;

            if (memberResult != null &&
                (AttributeHelper.HasFieldAttribute(memberResult.Member) ||
                 memberResult.Member.Attributes.Any(a => a.AttributeType.FullName == "Bridge.ExternalAttribute") ||
                 (propertyDeclaration.Getter.IsNull && propertyDeclaration.Setter.IsNull))
                )
            {
                return;
            }

            if (!accessor.IsNull && this.Emitter.GetInline(accessor) == null)
            {
                this.EnsureComma();

                this.ResetLocals();

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

                if (setter)
                {
                    this.AddLocals(new ParameterDeclaration[] { new ParameterDeclaration {
                                                                    Name = "value"
                                                                } }, accessor.Body);
                }
                else
                {
                    this.AddLocals(new ParameterDeclaration[0], accessor.Body);
                }

                XmlToJsDoc.EmitComment(this, this.PropertyDeclaration);

                if (isObjectLiteral)
                {
                    this.Write(setter ? JS.Funcs.Property.SET : JS.Funcs.Property.GET);
                }
                else
                {
                    string name = Helpers.GetPropertyRef(propertyDeclaration, this.Emitter, setter, false, false, true);
                    this.Write(name);
                }

                this.WriteColon();
                this.WriteFunction();
                this.WriteOpenParentheses();
                this.Write(setter ? "value" : "");
                this.WriteCloseParentheses();
                this.WriteSpace();

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

                if (script == null)
                {
                    if (YieldBlock.HasYield(accessor.Body))
                    {
                        new GeneratorBlock(this.Emitter, accessor).Emit();
                    }
                    else
                    {
                        accessor.Body.AcceptVisitor(this.Emitter);
                    }
                }
                else
                {
                    this.BeginBlock();

                    this.WriteLines(script);

                    this.EndBlock();
                }

                this.ClearLocalsMap(prevMap);
                this.ClearLocalsNamesMap(prevNamesMap);
                this.Emitter.Comma = true;
            }
        }
示例#6
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             noLiftingRule = this.Emitter.Rules.Lambda == LambdaRule.Plain;
            CaptureAnalyzer analyzer      = null;

            if (!noLiftingRule)
            {
                analyzer = new CaptureAnalyzer(this.Emitter);
                analyzer.Analyze(this.Body, this.Parameters.Select(p => p.Name));
            }

            var oldLevel = this.Emitter.Level;

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

            IAsyncBlock 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();
            }
            else if (YieldBlock.HasYield(body))
            {
                this.IsAsync = true;
                if (context is LambdaExpression)
                {
                    asyncBlock = new GeneratorBlock(this.Emitter, (LambdaExpression)context);
                }
                else
                {
                    asyncBlock = new GeneratorBlock(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 savedThisCount       = this.Emitter.ThisRefCounter;
            var capturedVariables    = this.GetCapturedLoopVariablesNames();
            var hasCapturedVariables = capturedVariables != null && capturedVariables.Length > 0;

            if (hasCapturedVariables)
            {
                this.Write("(function ($me, ");
                this.Write(string.Join(", ", capturedVariables) + ") ");
                this.BeginBlock();
                this.Write("return ");
            }

            var savedPos = this.Emitter.Output.Length;

            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 (!noLiftingRule && 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 codeForComare = this.RemoveTokens(code);

                    var pair = this.Emitter.NamedFunctions.FirstOrDefault(p =>
                    {
                        if (this.Emitter.AssemblyInfo.SourceMap.Enabled)
                        {
                            return(this.RemoveTokens(p.Value) == codeForComare);
                        }

                        return(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>();
            var thisCaptured      = this.Emitter.ThisRefCounter > savedThisCount ||
                                    this.IsAsync && methodDeclaration != null &&
                                    !methodDeclaration.HasModifier(Modifiers.Static);

            if (thisCaptured)
            {
                this.Emitter.Output.Insert(savedPos, JS.Funcs.BRIDGE_BIND + (hasCapturedVariables ? "($me, " : "(this, "));
                this.WriteCloseParentheses();
            }

            if (hasCapturedVariables)
            {
                this.WriteSemiColon(true);
                this.EndBlock();
                this.Write(")(");

                this.Write("this, ");

                this.Write(string.Join(", ", capturedVariables));
                this.Write(")");
            }

            this.PopLocals();
            this.ClearLocalsMap(prevMap);
            this.ClearLocalsNamesMap(prevNamesMap);
        }
示例#7
0
        protected virtual void EmitIndexerMethod(IndexerDeclaration indexerDeclaration, IProperty prop, Accessor accessor, IMethod propAccessor, bool setter)
        {
            var isIgnore = propAccessor != null && this.Emitter.Validator.IsExternalType(propAccessor);

            if (!accessor.IsNull && this.Emitter.GetInline(accessor) == null && !isIgnore)
            {
                this.EnsureComma();

                this.ResetLocals();

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

                if (setter)
                {
                    this.AddLocals(new ParameterDeclaration[] { new ParameterDeclaration {
                                                                    Name = "value"
                                                                } }, accessor.Body);
                }
                else
                {
                    this.AddLocals(new ParameterDeclaration[0], accessor.Body);
                }

                XmlToJsDoc.EmitComment(this, this.IndexerDeclaration, !setter);

                string accName = null;

                if (prop != null)
                {
                    accName = this.Emitter.GetEntityNameFromAttr(prop, setter);

                    if (string.IsNullOrEmpty(accName))
                    {
                        var member_rr = (MemberResolveResult)this.Emitter.Resolver.ResolveNode(indexerDeclaration, this.Emitter);

                        var overloads = OverloadsCollection.Create(this.Emitter, indexerDeclaration, setter);
                        accName = overloads.GetOverloadName(false, Helpers.GetSetOrGet(setter), OverloadsCollection.ExcludeTypeParameterForDefinition(member_rr));
                    }
                }

                this.Write(accName);
                this.WriteColon();
                this.WriteFunction();
                var nm = Helpers.GetFunctionName(this.Emitter.AssemblyInfo.NamedFunctions, prop, this.Emitter, setter);
                if (nm != null)
                {
                    this.Write(nm);
                }
                this.EmitMethodParameters(indexerDeclaration.Parameters, null, indexerDeclaration, setter);

                if (setter)
                {
                    this.Write(", value)");
                }
                this.WriteSpace();

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

                if (script == null)
                {
                    if (YieldBlock.HasYield(accessor.Body))
                    {
                        new GeneratorBlock(this.Emitter, accessor).Emit();
                    }
                    else
                    {
                        accessor.Body.AcceptVisitor(this.Emitter);
                    }
                }
                else
                {
                    this.BeginBlock();

                    this.WriteLines(script);

                    this.EndBlock();
                }

                this.ClearLocalsMap(prevMap);
                this.ClearLocalsNamesMap(prevNamesMap);
                this.Emitter.Comma = true;
            }
        }
示例#8
0
        public void DoEmitBlock()
        {
            if (this.BlockStatement.Parent is MethodDeclaration)
            {
                this.IsMethodBlock = true;
                var methodDeclaration = (MethodDeclaration)this.BlockStatement.Parent;
                if (!methodDeclaration.ReturnType.IsNull)
                {
                    var rr = this.Emitter.Resolver.ResolveNode(methodDeclaration.ReturnType, this.Emitter);
                    this.ReturnType = rr.Type;
                }
                this.ConvertParamsToReferences(methodDeclaration.Parameters);
            }
            else if (this.BlockStatement.Parent is AnonymousMethodExpression)
            {
                this.IsMethodBlock = true;
                var methodDeclaration = (AnonymousMethodExpression)this.BlockStatement.Parent;
                var rr = this.Emitter.Resolver.ResolveNode(methodDeclaration, this.Emitter);
                this.ReturnType = rr.Type;
                this.ConvertParamsToReferences(methodDeclaration.Parameters);
            }
            else if (this.BlockStatement.Parent is LambdaExpression)
            {
                this.IsMethodBlock = true;
                var methodDeclaration = (LambdaExpression)this.BlockStatement.Parent;
                var rr = this.Emitter.Resolver.ResolveNode(methodDeclaration, this.Emitter);
                this.ReturnType = rr.Type;
                this.ConvertParamsToReferences(methodDeclaration.Parameters);
            }
            else if (this.BlockStatement.Parent is ConstructorDeclaration)
            {
                this.IsMethodBlock = true;
                this.ConvertParamsToReferences(((ConstructorDeclaration)this.BlockStatement.Parent).Parameters);
            }
            else if (this.BlockStatement.Parent is OperatorDeclaration)
            {
                this.IsMethodBlock = true;
                this.ConvertParamsToReferences(((OperatorDeclaration)this.BlockStatement.Parent).Parameters);
            }
            else if (this.BlockStatement.Parent is Accessor)
            {
                this.IsMethodBlock = true;
                var role = this.BlockStatement.Parent.Role.ToString();

                if (role == "Setter")
                {
                    this.ConvertParamsToReferences(new ParameterDeclaration[]
                                                   { new ParameterDeclaration {
                                                         Name = "value"
                                                     } });
                }
                else if (role == "Getter")
                {
                    var methodDeclaration = (Accessor)this.BlockStatement.Parent;
                    if (!methodDeclaration.ReturnType.IsNull)
                    {
                        var rr = this.Emitter.Resolver.ResolveNode(methodDeclaration.ReturnType, this.Emitter);
                        this.ReturnType = rr.Type;
                    }
                }
            }

            if (this.IsMethodBlock && YieldBlock.HasYield(this.BlockStatement))
            {
                this.IsYield = true;
                YieldBlock.EmitYield(this, this.ReturnType);
            }

            this.BlockStatement.Children.ToList().ForEach(child => child.AcceptVisitor(this.Emitter));
        }