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Grammar file [message #1736097]

Sat, 25 June 2016 21:03

Pavel Vlasenko

Messages: 1
Registered: June 2016

Junior Member

Hi.
I want to add my own parse rules to the grammar file Java.g.
But i can't find documentation or tutorial about grammar in JDT.

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Re: Grammar file [message #1736301 is a reply to message #1736097]

Tue, 28 June 2016 10:27

Stephan Herrmann

Messages: 1853
Registered: July 2009

Senior Member

First, this file is written for use by jikespg [1][2]. I'm not aware of any user documentation for this parser generator, but an eclipse plugin exists [3], that should assist you in editing a .g file.

After editing java.g you'd need to follow this HowTo[4] to re-generate the parser infra structure, into which you'd implement additional consumeXYZ() methods.
The HowTo is a bit more involved than needed, if you are on Linux, you may adapt and use a shell script from the Object Teams project to automate these steps [5] (beware that comments in that script are in German ...).

HTH,
Stephan

[1] http://jikes.sourceforge.net/
[2] https://sourceforge.net/projects/jikes/files/Jikes%20Parser%20Generator/1.3/
[3] https://sourceforge.net/projects/jgedit/
[4] https://eclipse.org/jdt/core/howto/generate%20parser/generateParser.html
[5] http://git.eclipse.org/c/objectteams/org.eclipse.objectteams.git/tree/org.eclipse.jdt.core/scripts/generateOTParser.sh

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