public override void Accept(TryExceptStatement tryExcept)
{
IodineLabel exceptLabel = methodBuilder.CreateLabel();
IodineLabel endLabel = methodBuilder.CreateLabel();
methodBuilder.EmitInstruction(tryExcept.Location, Opcode.PushExceptionHandler, exceptLabel);
tryExcept.TryBody.Visit(this);
methodBuilder.EmitInstruction(tryExcept.TryBody.Location, Opcode.PopExceptionHandler);
methodBuilder.EmitInstruction(tryExcept.TryBody.Location, Opcode.Jump, endLabel);
methodBuilder.MarkLabelPosition(exceptLabel);
tryExcept.TypeList.Visit(this);
if (tryExcept.TypeList.Children.Count > 0)
{
methodBuilder.EmitInstruction(tryExcept.ExceptBody.Location, Opcode.BeginExcept,
tryExcept.TypeList.Children.Count);
}
if (tryExcept.ExceptionIdentifier != null)
{
methodBuilder.EmitInstruction(tryExcept.ExceptBody.Location, Opcode.LoadException);
methodBuilder.EmitInstruction(tryExcept.ExceptBody.Location, Opcode.StoreLocal,
symbolTable.GetSymbol(tryExcept.ExceptionIdentifier).Index);
}
tryExcept.ExceptBody.Visit(this);
methodBuilder.MarkLabelPosition(endLabel);
}
public override bool Visit(TryExceptStatement node)
{
Visit((Statement)node);
TraversePrint(node.body);
TraversePrint(node.final);
return(true);
}
public override void Accept(TryExceptStatement tryExcept)
{
tryExcept.TryBody.Visit(this);
if (tryExcept.ExceptionIdentifier != null)
{
symbolTable.AddSymbol(tryExcept.ExceptionIdentifier);
}
tryExcept.ExceptBody.Visit(this);
}
public override void Accept(TryExceptStatement tryCatch)
{
tryCatch.VisitChildren(this);
}
public virtual T Visit(TryExceptStatement node)
{
Visit((Statement)node);
traverse(node.body);
return(traverse(node.final));
}
public override void Accept(TryExceptStatement tryExcept)
{
tryExcept.Visit(functionCompiler);
}
public virtual void Accept(TryExceptStatement tryCatch)
{
}
public override void Accept(TryExceptStatement tryExcept)
{
errorLog.AddError(ErrorType.ParserError, tryExcept.Location,
"statement can not exist inside pattern!");
}
public override void Accept(TryExceptStatement tryExcept)
{
errorLog.AddError(ErrorType.ParserError, tryExcept.Location,
"Statement not allowed outside function body!");
}
