[OASIS Issue Tracker] Commented: (OFFICE-2470) 2.2 ExpressionCalculation is a mixure of observations, rules and possible suggestions

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    [ http://tools.oasis-open.org/issues/browse/OFFICE-2470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17696#action_17696 ] 

Dennis Hamilton commented on OFFICE-2470:
-----------------------------------------

I've been scratching my head over the fact that not all evaluations down to values necessarily happen "bottom-up."

Also, I simply can't square references and reference lists being data types.  They are forms and they have semantics, but I don't think they are data types.   That is especially true because a reference is to a cuboid of cells (default case, one cell) and a reference to multiple cells can also be expressed as a reference list that selects the same meaningful cells in one of many alternative ways.  It is also exciting to see that some parameter lists can intermingle references and more-general expressions in an arbitrary way.

There's something not working here.

> 2.2 Expression Calculation is a mixure of observations, rules and possible suggestions
> --------------------------------------------------------------------------------------
>
>                 Key: OFFICE-2470
>                 URL: http://tools.oasis-open.org/issues/browse/OFFICE-2470
>             Project: OASIS Open Document Format for Office Applications (OpenDocument) TC
>          Issue Type: Bug
>            Reporter: Patrick Durusau
>            Assignee: Patrick Durusau
>             Fix For: ODF 1.2 Part 2 CD 2
>
>
> 2.2 Expression Calculation is a mixture of observations, rules and possible suggestions. 
> For example, it starts by saying formulas are recalculated from "outside in," only to confess a few paragraphs later that is how it "appears to the end user." 
> There is one really glaring hole in my proposal, that also exists in the current language.
> We describe the ordering of operators but as far as I can tell, we don't address the situation where there is a mixture of operators and functions.
> Note that I changed #1 from constant number/string and added error.
> As near as I can determine, the only possible outcomes of any expression are:
> 1) a number
> 2) a string
> 3) an error
> 4) a reference
> So, application of these rules self-terminates when any of those conditions obtain.
> Yes, that removes "constant number," "constant string" but those are defined elsewhere anyway.

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