Re: syntax diagramming tool

[Robert Lauriston <robert -at- lauriston -dot- com>]

Yeah, I found those on Google before I posted here. I'm hoping there's
some sadder but wiser tech writer who can save me some testing.

On Mon, Oct 13, 2014 at 7:38 PM, Laura Lemay <lemay -at- lauralemay -dot- com> wrote:
>
> I haven't worked with EBNF since the 90's, and I drew the railroads by hand.  But googling "ebnf diagram generator" turns up:
>
> http://www.bottlecaps.de/rr/ui - web-based, copy your EBNF into the form
> http://dotnet.jku.at/applications/visualizer/ - for windows, free
> http://www.sqlite.org/docsrc/finfo?name=art/syntax/bubble-generator.tcl  - one specific to SQL
>
> Laura
>
> On Oct 13, 2014, at 6:16 PM, Robert Lauriston <robert -at- lauriston -dot- com> wrote:
>
>> In that Oracle doc it looks to me like both the text command syntax (
>> http://docs.oracle.com/cd/B19306_01/server.102/b14200/img_text/model_rules_clause.htm
>> ) and the railroad diagram GIF (
>> http://docs.oracle.com/cd/B19306_01/server.102/b14200/img/model_rules_clause.gif
>> ) are generated from EBNF (or whatever source Oracle uses to define
>> their SQL grammar).
>>
>> Do you know any tools that can do that?
>>
>> On Mon, Oct 13, 2014 at 3:41 PM, Laura Lemay <lemay -at- lauralemay -dot- com> wrote:
>>>
>>> The "ascii form" you mention is called EBNF ("extended backus-naur format") and there is a specification for defining languages in it.  The diagrams are called railroad diagrams and are usually generated from the EBNF itself.
>

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