Stack traces arising in pcode do not include line numbers

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Rakesh Karia
Rakesh Karia 2019-7-26
编辑： Shivam Sardana 2019-7-31
Consider the following code:
% doThings.m
i = 1;
j = 2;
k = 3;
l = seven; %seven is deliberately undefined
I pcode compile doThings.m to give me the following:
doThings.p
If I now run doThings in Matlab 2018a, I see this:
>> doThings
Undefined function or variable 'seven'.
Error in doThings
The same code, when run in Matlab 2013a gives me this:
>> doThings
Undefined function or variable 'seven'.
Error in
/home/rk/doThings.p>doThings
(line 4)
Notice that I get a line number in the stack trace from 2013a, but no line numbers from the stack trace in 2018a.
  • Why are line numbers no longer visible in error traces of pcode-compiled matlab?
  • Is there a configuration option to switch line numbering on for pcode-compiled matlab?
  • If so, how can I set this option, assuming a headless installation?

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回答（2 个）

Hari Krishna Ravuri
编辑：Hari Krishna Ravuri 2019-7-31
I understand that, line numbers are not being displayed in pcode error traces in your MATLAB 2018a.Please update your MATLAB to MATLAB 2019a.
  1 个评论
Rakesh Karia
Rakesh Karia 2019-7-30
Are you able to link to any release notes / commentary from Mathworks that makes the removal and re-add explicit?
I can't see anything in the release notes or 2019a bugfix reports that point to this.

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Shivam Sardana
Shivam Sardana 2019-7-31
编辑：Shivam Sardana 2019-7-31
The issue with pcode has been brought to the notice of developers. They will investigate the matter further.

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