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();
}
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();
}
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($e1);");
this.WriteNewLine();
this.InjectCatchHandlers();
this.WriteNewLine();
this.EndBlock();
}
this.WriteNewLine();
this.EndBlock();
}
protected void EmitAsyncBody()
{
this.BeginBlock();
var asyncTryVisitor = new AsyncTryVisitor();
this.Node.AcceptChildren(asyncTryVisitor);
var needTry = asyncTryVisitor.Found || this.IsTaskReturn;
this.Emitter.AsyncVariables.Add("$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();
}
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($e1);");
this.WriteNewLine();
this.InjectCatchHandlers();
this.WriteNewLine();
this.EndBlock();
}
this.WriteNewLine();
this.EndBlock();
}
protected void EmitAsyncBody()
{
var isLambda = this.LambdaExpression != null || this.AnonymousMethodExpression != null;
this.BeginBlock();
var asyncTryVisitor = new AsyncTryVisitor();
this.Node.AcceptVisitor(asyncTryVisitor);
var needTry = asyncTryVisitor.Found || this.IsTaskReturn;
this.Emitter.AsyncVariables.Add("$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();
}