Add stack to created MException object
显示 更早的评论
Hi,
can I add stack Information to a created object.
I have created a MException object, like this.
myEx = MException('foo:bar','myErrString')
and I have a stack, like
myStack = struct('file','myFile','name','myName','line',42)
How can I add stack information to a MException object?
myEx = MException('foo:bar','myErrString',myStack ) does not work.
回答（1 个）
Gautam
2025-2-10
If you want to include custom stack information in an MException object, you'll need to use a workaround. One common approach is to append the stack information to the exception message or use the addCause method to attach additional information.
To manually append the stack information to the exception message you can do something like:
% Define the stack information
myStack = struct('file', 'myFile', 'name', 'myName', 'line', 42);
% Create a formatted string with stack information
stackInfo = sprintf('Error occurred in file: %s, function: %s, line: %d', ...
myStack.file, myStack.name, myStack.line);
% Create the MException object with the stack information in the message
myEx = MException('foo:bar', 'myErrString\n%s', stackInfo);
% Display the exception
disp(getReport(myEx, 'extended'));
Or, if you want to provide additional context or a secondary exception, you can use the "addCause" method:
% Create the primary MException object
myEx = MException('foo:bar', 'myErrString');
% Create a secondary MException with stack information
causeEx = MException('foo:bar:stack', 'Stack info: %s, %s, %d', ...
myStack.file, myStack.name, myStack.line);
% Add the secondary exception as a cause
myEx = myEx.addCause(causeEx);
% Display the exception with causes
disp(getReport(myEx, 'extended'));
类别
在 帮助中心 和 File Exchange 中查找有关 Exception Handling 的更多信息
产品
2014-2-7
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!
Translated by 
