protected void VisitAsyncTryCatchStatement() {
TryCatchStatement tryCatchStatement = this.TryCatchStatement;
this.Emitter.AsyncBlock.Steps.Last().JumpToStep = this.Emitter.AsyncBlock.Step;
var tryStep = this.Emitter.AsyncBlock.AddAsyncStep();
AsyncTryInfo tryInfo = new AsyncTryInfo();
tryInfo.StartStep = tryStep.Step;
this.Emitter.IgnoreBlock = tryCatchStatement.TryBlock;
tryCatchStatement.TryBlock.AcceptVisitor(this.Emitter);
tryStep = this.Emitter.AsyncBlock.Steps.Last();
tryInfo.EndStep = tryStep.Step;
List<IAsyncStep> catchSteps = new List<IAsyncStep>();
foreach(var clause in tryCatchStatement.CatchClauses) {
var catchStep = this.Emitter.AsyncBlock.AddAsyncStep();
catchSteps.Add(catchStep);
this.PushLocals();
var varName = clause.VariableName;
if(!String.IsNullOrEmpty(varName) && !this.Emitter.Locals.ContainsKey(varName)) {
varName = this.AddLocal(varName, clause.Type);
}
tryInfo.CatchBlocks.Add(new Tuple<string, string, int>(varName, clause.Type.IsNull ? "Bridge.Exception" : BridgeTypes.ToJsName(clause.Type, this.Emitter), catchStep.Step));
this.Emitter.IgnoreBlock = clause.Body;
clause.Body.AcceptVisitor(this.Emitter);
this.PopLocals();
this.WriteNewLine();
}
if(/*tryCatchStatement.CatchClauses.Count == 0 && */!this.Emitter.Locals.ContainsKey("$e")) {
this.AddLocal("$e", AstType.Null);
}
IAsyncStep finalyStep = null;
if(!tryCatchStatement.FinallyBlock.IsNull) {
finalyStep = this.Emitter.AsyncBlock.AddAsyncStep(tryCatchStatement.FinallyBlock);
this.Emitter.IgnoreBlock = tryCatchStatement.FinallyBlock;
tryCatchStatement.FinallyBlock.AcceptVisitor(this.Emitter);
var finallyNode = this.GetParentFinallyBlock(tryCatchStatement, false);
this.WriteNewLine();
this.WriteIf();
this.WriteOpenParentheses();
this.Write("$jumpFromFinally > -1");
this.WriteCloseParentheses();
this.WriteSpace();
this.BeginBlock();
if(finallyNode != null) {
var hashcode = finallyNode.GetHashCode();
this.Emitter.AsyncBlock.JumpLabels.Add(new AsyncJumpLabel {
Node = finallyNode,
Output = this.Emitter.Output
});
this.Write("$step = ${" + hashcode + "};");
this.WriteNewLine();
this.Write("continue;");
}
else {
this.Write("$step = $jumpFromFinally;");
this.WriteNewLine();
this.Write("$jumpFromFinally = null;");
}
this.WriteNewLine();
this.EndBlock();
this.WriteSpace();
this.WriteElse();
this.WriteIf();
this.WriteOpenParentheses();
this.Write("$e");
this.WriteCloseParentheses();
this.WriteSpace();
this.BeginBlock();
this.Write("$returnTask.setError($e);");
this.WriteNewLine();
this.WriteReturn(false);
this.WriteSemiColon();
this.WriteNewLine();
this.EndBlock();
this.WriteSpace();
this.WriteElse();
this.WriteIf();
this.WriteOpenParentheses();
this.Write("Bridge.isDefined($returnValue)");
this.WriteCloseParentheses();
this.WriteSpace();
this.BeginBlock();
if(finallyNode != null) {
var hashcode = finallyNode.GetHashCode();
this.Emitter.AsyncBlock.JumpLabels.Add(new AsyncJumpLabel {
Node = finallyNode,
Output = this.Emitter.Output
});
this.Write("$step = ${" + hashcode + "};");
this.WriteNewLine();
this.Write("continue;");
}
else {
this.Write("$returnTask.setResult($returnValue);");
this.WriteNewLine();
this.WriteReturn(false);
this.WriteSemiColon();
}
this.WriteNewLine();
this.EndBlock();
if(!this.Emitter.Locals.ContainsKey("$e")) {
this.AddLocal("$e", AstType.Null);
}
}
var nextStep = this.Emitter.AsyncBlock.AddAsyncStep();
if(finalyStep != null) {
tryInfo.FinallyStep = finalyStep.Step;
}
if(finalyStep != null) {
finalyStep.JumpToStep = nextStep.Step;
}
tryStep.JumpToStep = finalyStep != null ? finalyStep.Step : nextStep.Step;
foreach(var step in catchSteps) {
step.JumpToStep = finalyStep != null ? finalyStep.Step : nextStep.Step;
}
this.Emitter.AsyncBlock.TryInfos.Add(tryInfo);
}
protected void VisitAsyncTryCatchStatement()
{
TryCatchStatement tryCatchStatement = this.TryCatchStatement;
this.Emitter.AsyncBlock.Steps.Last().JumpToStep = this.Emitter.AsyncBlock.Step;
var tryStep = this.Emitter.AsyncBlock.AddAsyncStep();
AsyncTryInfo tryInfo = new AsyncTryInfo();
tryInfo.StartStep = tryStep.Step;
this.Emitter.IgnoreBlock = tryCatchStatement.TryBlock;
tryCatchStatement.TryBlock.AcceptVisitor(this.Emitter);
tryStep = this.Emitter.AsyncBlock.Steps.Last();
tryInfo.EndStep = tryStep.Step;
List <IAsyncStep> catchSteps = new List <IAsyncStep>();
foreach (var clause in tryCatchStatement.CatchClauses)
{
var catchStep = this.Emitter.AsyncBlock.AddAsyncStep();
catchSteps.Add(catchStep);
this.PushLocals();
var varName = clause.VariableName;
if (!String.IsNullOrEmpty(varName) && !this.Emitter.Locals.ContainsKey(varName))
{
varName = this.AddLocal(varName, clause.Type);
}
tryInfo.CatchBlocks.Add(new Tuple <string, string, int>(varName, clause.Type.IsNull ? "Bridge.Exception" : BridgeTypes.ToJsName(clause.Type, this.Emitter), catchStep.Step));
this.Emitter.IgnoreBlock = clause.Body;
clause.Body.AcceptVisitor(this.Emitter);
this.PopLocals();
this.WriteNewLine();
}
if (/*tryCatchStatement.CatchClauses.Count == 0 && */ !this.Emitter.Locals.ContainsKey("$e"))
{
this.AddLocal("$e", AstType.Null);
}
IAsyncStep finalyStep = null;
if (!tryCatchStatement.FinallyBlock.IsNull)
{
finalyStep = this.Emitter.AsyncBlock.AddAsyncStep(tryCatchStatement.FinallyBlock);
this.Emitter.IgnoreBlock = tryCatchStatement.FinallyBlock;
tryCatchStatement.FinallyBlock.AcceptVisitor(this.Emitter);
var finallyNode = this.GetParentFinallyBlock(tryCatchStatement, false);
this.WriteNewLine();
this.WriteIf();
this.WriteOpenParentheses();
this.Write("$jumpFromFinally > -1");
this.WriteCloseParentheses();
this.WriteSpace();
this.BeginBlock();
if (finallyNode != null)
{
var hashcode = finallyNode.GetHashCode();
this.Emitter.AsyncBlock.JumpLabels.Add(new AsyncJumpLabel {
Node = finallyNode,
Output = this.Emitter.Output
});
this.Write("$step = ${" + hashcode + "};");
this.WriteNewLine();
this.Write("continue;");
}
else
{
this.Write("$step = $jumpFromFinally;");
this.WriteNewLine();
this.Write("$jumpFromFinally = null;");
}
this.WriteNewLine();
this.EndBlock();
this.WriteSpace();
this.WriteElse();
this.WriteIf();
this.WriteOpenParentheses();
this.Write("$e");
this.WriteCloseParentheses();
this.WriteSpace();
this.BeginBlock();
this.Write("$returnTask.setError($e);");
this.WriteNewLine();
this.WriteReturn(false);
this.WriteSemiColon();
this.WriteNewLine();
this.EndBlock();
this.WriteSpace();
this.WriteElse();
this.WriteIf();
this.WriteOpenParentheses();
this.Write("Bridge.isDefined($returnValue)");
this.WriteCloseParentheses();
this.WriteSpace();
this.BeginBlock();
if (finallyNode != null)
{
var hashcode = finallyNode.GetHashCode();
this.Emitter.AsyncBlock.JumpLabels.Add(new AsyncJumpLabel {
Node = finallyNode,
Output = this.Emitter.Output
});
this.Write("$step = ${" + hashcode + "};");
this.WriteNewLine();
this.Write("continue;");
}
else
{
this.Write("$returnTask.setResult($returnValue);");
this.WriteNewLine();
this.WriteReturn(false);
this.WriteSemiColon();
}
this.WriteNewLine();
this.EndBlock();
if (!this.Emitter.Locals.ContainsKey("$e"))
{
this.AddLocal("$e", AstType.Null);
}
}
var nextStep = this.Emitter.AsyncBlock.AddAsyncStep();
if (finalyStep != null)
{
tryInfo.FinallyStep = finalyStep.Step;
}
if (finalyStep != null)
{
finalyStep.JumpToStep = nextStep.Step;
}
tryStep.JumpToStep = finalyStep != null ? finalyStep.Step : nextStep.Step;
foreach (var step in catchSteps)
{
step.JumpToStep = finalyStep != null ? finalyStep.Step : nextStep.Step;
}
this.Emitter.AsyncBlock.TryInfos.Add(tryInfo);
}