Re: syntax diagramming tool

Subject: Re: syntax diagramming tool
From: Laura Lemay <lemay -at- lauralemay -dot- com>
To: Robert Lauriston <robert -at- lauriston -dot- com>
Date: Mon, 13 Oct 2014 19:38:03 -0700


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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Follow-Ups:

References:
syntax diagramming tool: From: Robert Lauriston
Re: syntax diagramming tool: From: Laura Lemay
Re: syntax diagramming tool: From: Robert Lauriston

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