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[Octave-bug-tracker] [bug #60882] error parsing command syntax


From: John W. Eaton
Subject: [Octave-bug-tracker] [bug #60882] error parsing command syntax
Date: Mon, 5 Jul 2021 13:28:25 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Firefox/78.0

Update of bug #60882 (project octave):

                 Summary:             Parse error => error parsing command
syntax

    _______________________________________________________

Follow-up Comment #6:

This error was introduced with changeset 6858992dfadf
because "diary" was being added as a variable name in the expression


  job.diary = ...


because the name was followed by '='.

I think the attached change will help.

While looking at this, I realized that there are some other issues that need
to be fixed to properly reset the parser and lexer state when parsing nested
functions.  For example, Octave will fail to parse the following even though
the "warning" variable inside the nested function should be local.  Some more
work needs to be done to properly track the status of identifiers as variables
in contexts like this.


function main ()
  function nested ()
    warning = 1;
    ...
  end
  warning off all
end
-verbatim


(file #51648)
    _______________________________________________________

Additional Item Attachment:

File name: mark-as-var-patch.txt          Size:2 KB
    <https://file.savannah.gnu.org/file/mark-as-var-patch.txt?file_id=51648>



    _______________________________________________________

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  <https://savannah.gnu.org/bugs/?60882>

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