|EXPRESS (ISO DIS 10303 - 11) Grammar email@example.com (Terry Chld) (1997-10-14)|
|Re: EXPRESS (ISO DIS 10303 - 11) Grammar firstname.lastname@example.org (Peter Wilson) (1997-10-16)|
|From:||Peter Wilson <email@example.com>|
|Date:||16 Oct 1997 00:27:43 -0400|
|Organization:||The Boeing Company|
Terry Chld wrote:
> Does anyone know where I can get an EBNF or JavaCC grammar for
> EXPRESS (ISO DIS 10303 - 11) ?
The ISO standard, "ISO 10303-11:1994 The EXPRESS language reference
manual", includes a grammar written in WSN. Other sources include:
o Douglas Schenck & Peter Wilson, "Information Modeling the EXPRESS
Way", Oxford University Press, 1994 ISBN 0-19-508714-3, which includes a
grammar in terms of syntax diagrams.
o The "EXPRESS-I language reference manual" (ISO/TR 10303-12:1997)
includes a WSN grammar for both EXPRESS and EXPRESS-I. You can get an
electronic version of this grammar at
Note that all the published grammars that I am aware of are
redundant (ambiguous) in that they include some semantics as well as
the plain syntax. In other words, you will have to massage them a bit.
Another place you could try is by sending a message to the EXPRESS
email exploder at: firstname.lastname@example.org
Hope this helps
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