Re: [xtm-wg] A challenge on "the graph"

[Lars Marius Garshol <larsga@garshol.priv.no>]

* Nikita Ogievetsky
| 
| My point is that PM should tell you
| WHAT should happen, not HOW it should happen.

Agreed.
 
| It should not try to explain the second "=>" (arrow) in the graph bellow.
| Syntax => PM => Application Specific Representation (ASR)

Agreed again.
 
| And your responsibility as a developer
| is to ensure that your software can safely travel this round trip
| and return to some Syntax':
| 
| Syntax => PM => ASR =>PM => Syntax'
| 
| Where Syntax and Syntax' are not necessarily the same
| but the constraint is that given any other conformant ASR",
| both Syntax and Syntax' should be serialized to the same Syntax".
| 
| Syntax => PM => ASR" =>PM => Syntax"
| Syntax' => PM => ASR" =>PM => Syntax"

Agreed yet again. 
 
| Wow!
| This looks like a beginning of a processing algebra to me :-)

Looks like common sense to me. :-)
 
| May be we should introduce a notion of "Universal ASR" ?
| And may be this is what actually Lars have in mind when referring to PM.

It is, in the sense that I think the PM should be the requirements on
all ASRs and how they are built from XTM documents.

--Lars M.


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