Re: [xml-dev] Here’s how the Schematron program generates programs … program generating programs

At 2016-04-05 12:54 +0000, Costello, Roger L. wrote:
>I encourage you to use these ideas to write your own programs that 
>generate programs!

That XSLT is written in XML has made this possible since XSLT was released.

Rick Jelliffe was brilliant in recognizing how a language like 
Schematron could be used for value validation ... and he pulled it off well.

Here are two public examples of mine that were first published in 
2003 for synthesizing XSLT using XSLT.  In both cases the user's 
objective is to annotate a prototypical result instance with 
information about the source tree so that the environment can 
synthesize the XSLT needed to transform the source tree into the result tree:

   http://www.CraneSoftwrights.com/resources/#literatexslt
   http://www.CraneSoftwrights.com/resources/#resultxslt

After pushing the button to create the result, the output XSLT 
stylesheet is used in production to transform production data into 
production results.  I've used it for creating XSL-FO stylesheets.  A 
B2B company in Italy uses it for e-commerce.  I'm not sure how many 
others of the many downloads get used in production as it is fairly esoteric.

LiterateXSLT is a monolithic environment where modularity is not 
important and the annotations are expressed directly about the source 
tree.  ResultXSLT is a modular environment where the annotations are 
expressed indirectly about the source tree so that multiple different 
source trees can take advantage of the stylesheet fragments created 
for producing the result tree.

It is good of you to push concepts to new users, but these concepts 
are not new.  Programs have long written programs ... XSLT has made 
it a straightforward task.

. . . . . . . Ken


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