Example #1
0
        protected void EmitGeneratorBody()
        {
            this.BeginBlock();

            var asyncTryVisitor = new AsyncTryVisitor();

            this.Node.AcceptChildren(asyncTryVisitor);
            var needTry = true;

            this.Emitter.AsyncVariables.Add(JS.Vars.ASYNC_JUMP);
            if (needTry)
            {
                this.Emitter.AsyncVariables.Add(JS.Vars.ASYNC_RETURN_VALUE);

                this.WriteTry();
                this.BeginBlock();
            }

            this.WriteFor();
            this.Write("(;;) ");
            this.BeginBlock();

            this.WriteSwitch();
            this.Write("(" + JS.Vars.ASYNC_STEP + ") ");
            this.BeginBlock();

            this.Step = 0;
            var writer = this.SaveWriter();

            this.AddAsyncStep();

            this.Body.AcceptVisitor(this.Emitter);

            this.RestoreWriter(writer);

            this.InjectSteps();

            this.WriteNewLine();
            this.EndBlock();

            this.WriteNewLine();
            this.EndBlock();

            if (needTry)
            {
                if (!this.Emitter.Locals.ContainsKey(JS.Vars.ASYNC_E))
                {
                    this.AddLocal(JS.Vars.ASYNC_E, null, AstType.Null);
                }

                this.WriteNewLine();
                this.EndBlock();
                this.Write(" catch(" + JS.Vars.ASYNC_E1 + ") ");
                this.BeginBlock();
                this.Write(JS.Vars.ASYNC_E + " = " + JS.Types.System.Exception.CREATE + "(" + JS.Vars.ASYNC_E1 + ");");
                this.WriteNewLine();
                this.InjectCatchHandlers();

                this.WriteNewLine();
                this.EndBlock();
            }

            this.WriteNewLine();
            this.EndBlock();
        }
Example #2
0
        protected void EmitAsyncBody()
        {
            this.BeginBlock();

            var asyncTryVisitor = new AsyncTryVisitor();

            this.Node.AcceptChildren(asyncTryVisitor);
            var needTry = asyncTryVisitor.Found || this.IsTaskReturn;

            this.Emitter.AsyncVariables.Add(JS.Vars.ASYNC_JUMP);
            if (needTry)
            {
                if (this.IsTaskReturn)
                {
                    this.Emitter.AsyncVariables.Add(JS.Vars.ASYNC_TCS + " = new " + JS.Types.TASK_COMPLETION_SOURCE + "()");
                }

                this.Emitter.AsyncVariables.Add(JS.Vars.ASYNC_RETURN_VALUE);

                this.Write("try");
                this.WriteSpace();
                this.BeginBlock();
            }

            this.Write("for (;;) ");
            this.BeginBlock();
            this.WriteIndent();
            int checkerPos = this.Emitter.Output.Length;

            this.WriteNewLine();
            this.Write("switch (" + JS.Vars.ASYNC_STEP + ") ");

            this.BeginBlock();

            this.Step = 0;
            var writer = this.SaveWriter();

            this.AddAsyncStep();

            if (this.Body.Parent is LambdaExpression && this.Body is Expression && this.IsTaskReturn)
            {
                new ReturnBlock(this.Emitter, (Expression)this.Body).Emit();
            }
            else
            {
                this.Body.AcceptVisitor(this.Emitter);
            }

            this.RestoreWriter(writer);

            this.InjectSteps();

            this.WriteNewLine();
            this.EndBlock();

            this.InjectStepsChecker(checkerPos);
            this.WriteNewLine();
            this.EndBlock();

            if (needTry)
            {
                if (!this.Emitter.Locals.ContainsKey(JS.Vars.ASYNC_E))
                {
                    this.AddLocal(JS.Vars.ASYNC_E, null, AstType.Null);
                }

                this.WriteNewLine();
                this.EndBlock();
                this.Write(" catch(" + JS.Vars.ASYNC_E1 + ") ");
                this.BeginBlock();
                this.Write(JS.Vars.ASYNC_E + " = " + JS.Types.SYSTEM_EXCEPTION + ".create(" + JS.Vars.ASYNC_E1 + ");");
                this.WriteNewLine();
                this.InjectCatchHandlers();

                this.WriteNewLine();
                this.EndBlock();
            }

            this.WriteNewLine();
            this.EndBlock();
        }
Example #3
0
        protected void EmitAsyncBody()
        {
            var isLambda = this.LambdaExpression != null || this.AnonymousMethodExpression != null;

            this.BeginBlock();

            var asyncTryVisitor = new AsyncTryVisitor();

            this.Node.AcceptVisitor(asyncTryVisitor);
            var needTry = asyncTryVisitor.Found || this.IsTaskReturn;

            this.Emitter.AsyncVariables.Add("$jumpFromFinally");
            if (needTry)
            {
                if (this.IsTaskReturn)
                {
                    this.Emitter.AsyncVariables.Add("$returnTask = new Bridge.Task()");
                }

                this.Emitter.AsyncVariables.Add("$returnValue");

                this.Write("try");
                this.WriteSpace();
                this.BeginBlock();
            }

            this.Write("for (;;) ");
            this.BeginBlock();
            this.Write("switch ($step) ");

            this.BeginBlock();

            this.Step = 0;
            var writer = this.SaveWriter();

            this.AddAsyncStep();

            this.Body.AcceptVisitor(this.Emitter);

            this.RestoreWriter(writer);

            this.InjectSteps();

            this.WriteNewLine();
            this.EndBlock();

            this.WriteNewLine();
            this.EndBlock();

            if (needTry)
            {
                this.WriteNewLine();
                this.EndBlock();
                this.Write(" catch($e1) ");
                this.BeginBlock();
                this.Write("$e1 = Bridge.Exception.create($e1);");
                this.WriteNewLine();
                this.InjectCatchHandlers();

                this.WriteNewLine();
                this.EndBlock();
            }

            this.WriteNewLine();
            this.EndBlock();
        }
Example #4
0
        protected void EmitAsyncBody()
        {
            this.BeginBlock();

            var asyncTryVisitor = new AsyncTryVisitor();
            this.Node.AcceptChildren(asyncTryVisitor);
            var needTry = asyncTryVisitor.Found || this.IsTaskReturn;

            this.Emitter.AsyncVariables.Add("$jumpFromFinally");
            if (needTry)
            {
                if (this.IsTaskReturn)
                {
                    this.Emitter.AsyncVariables.Add("$tcs = new Bridge.TaskCompletionSource()");
                }

                this.Emitter.AsyncVariables.Add("$returnValue");

                this.Write("try");
                this.WriteSpace();
                this.BeginBlock();
            }

            this.Write("for (;;) ");
            this.BeginBlock();
            this.WriteIndent();
            int checkerPos = this.Emitter.Output.Length;
            this.WriteNewLine();
            this.Write("switch ($step) ");

            this.BeginBlock();

            this.Step = 0;
            var writer = this.SaveWriter();
            this.AddAsyncStep();

            this.Body.AcceptVisitor(this.Emitter);

            this.RestoreWriter(writer);

            this.InjectSteps();

            this.WriteNewLine();
            this.EndBlock();

            this.InjectStepsChecker(checkerPos);
            this.WriteNewLine();
            this.EndBlock();

            if (needTry)
            {
                if (!this.Emitter.Locals.ContainsKey("$async_e"))
                {
                    this.AddLocal("$async_e", AstType.Null);
                }

                this.WriteNewLine();
                this.EndBlock();
                this.Write(" catch($async_e1) ");
                this.BeginBlock();
                this.Write("$async_e = Bridge.Exception.create($async_e1);");
                this.WriteNewLine();
                this.InjectCatchHandlers();

                this.WriteNewLine();
                this.EndBlock();
            }

            this.WriteNewLine();
            this.EndBlock();
        }
Example #5
0
        protected void EmitAsyncBody()
        {
            this.BeginBlock();

            var asyncTryVisitor = new AsyncTryVisitor();

            this.Node.AcceptVisitor(asyncTryVisitor);
            var needTry = asyncTryVisitor.Found || this.IsTaskReturn;

            this.Emitter.AsyncVariables.Add("$jumpFromFinally");
            if (needTry)
            {
                if (this.IsTaskReturn)
                {
                    this.Emitter.AsyncVariables.Add("$returnTask = new Bridge.Task()");
                }

                this.Emitter.AsyncVariables.Add("$returnValue");

                this.Write("try");
                this.WriteSpace();
                this.BeginBlock();
            }

            this.Write("for (;;) ");
            this.BeginBlock();
            this.WriteIndent();
            int checkerPos = this.Emitter.Output.Length;

            this.WriteNewLine();
            this.Write("switch ($step) ");

            this.BeginBlock();

            this.Step = 0;
            var writer = this.SaveWriter();

            this.AddAsyncStep();

            this.Body.AcceptVisitor(this.Emitter);

            this.RestoreWriter(writer);

            this.InjectSteps();

            this.WriteNewLine();
            this.EndBlock();

            this.InjectStepsChecker(checkerPos);
            this.WriteNewLine();
            this.EndBlock();

            if (needTry)
            {
                this.WriteNewLine();
                this.EndBlock();
                this.Write(" catch($e1) ");
                this.BeginBlock();
                this.Write("$e1 = Bridge.Exception.create($e1);");
                this.WriteNewLine();
                this.InjectCatchHandlers();

                this.WriteNewLine();
                this.EndBlock();
            }

            this.WriteNewLine();
            this.EndBlock();
        }
Example #6
0
        protected void EmitAsyncBody()
        {
            var isLambda = this.LambdaExpression != null || this.AnonymousMethodExpression != null;

            this.BeginBlock();

            var asyncTryVisitor = new AsyncTryVisitor();
            this.Node.AcceptVisitor(asyncTryVisitor);
            var needTry = asyncTryVisitor.Found || this.IsTaskReturn;

            this.Emitter.AsyncVariables.Add("$jumpFromFinally");
            if (needTry)
            {
                if (this.IsTaskReturn)
                {
                    this.Emitter.AsyncVariables.Add("$returnTask = new Bridge.Task()");
                }

                this.Emitter.AsyncVariables.Add("$returnValue");

                this.Write("try");
                this.WriteSpace();
                this.BeginBlock();
            }

            this.Write("for (;;) ");
            this.BeginBlock();
            this.Write("switch ($step) ");

            this.BeginBlock();

            this.Step = 0;
            var writer = this.SaveWriter();
            this.AddAsyncStep();

            this.Body.AcceptVisitor(this.Emitter);

            this.RestoreWriter(writer);

            this.InjectSteps();

            this.WriteNewLine();
            this.EndBlock();

            this.WriteNewLine();
            this.EndBlock();

            if (needTry)
            {
                this.WriteNewLine();
                this.EndBlock();
                this.Write(" catch($e1) ");
                this.BeginBlock();
                this.Write("$e1 = Bridge.Exception.create($e1);");
                this.WriteNewLine();
                this.InjectCatchHandlers();

                this.WriteNewLine();
                this.EndBlock();
            }

            this.WriteNewLine();
            this.EndBlock();
        }