Boo.Lang.Compiler.Steps.EmitAssembly.OnTryStatement C# (CSharp) Метод

        public override void OnTryStatement(TryStatement node)
        {
            ++_tryBlock;
            Label end = _il.BeginExceptionBlock();

            // The fault handler isn't very well supported by the
            // the ILGenerator. Thus, when there is a failure block
            // in the same try as an except or ensure block, we
            // need to do some special brute forcing with the exception
            // block context in the ILGenerator.
            if(null != node.FailureBlock && null != node.EnsureBlock)
            {
                ++_tryBlock;
                _il.BeginExceptionBlock();
            }

            if(null != node.FailureBlock && node.ExceptionHandlers.Count > 0)
            {
                ++_tryBlock;
                _il.BeginExceptionBlock();
            }

            Visit(node.ProtectedBlock);

            Visit(node.ExceptionHandlers);

            if(null != node.FailureBlock)
            {
                // Logic to back out of the manually forced blocks
                if(node.ExceptionHandlers.Count > 0)
                {
                    _il.EndExceptionBlock();
                    --_tryBlock;
                }

                _il.BeginFaultBlock();
                Visit(node.FailureBlock);

                // Logic to back out of the manually forced blocks once more
                if(null != node.EnsureBlock)
                {
                    _il.EndExceptionBlock();
                    --_tryBlock;
                }
            }

            if (null != node.EnsureBlock)
            {
                _il.BeginFinallyBlock();
                Visit(node.EnsureBlock);
            }

            _il.EndExceptionBlock();
            --_tryBlock;
        }