[ANN] Release Candidate for Groovy 2.1.0

[UEHARA Junji-2]

Hi Cédric,

Thank you for your reply.

2013/1/16 Cédric Champeau <[hidden email]>

Le 16/01/2013 04:00, UEHARA Junji a écrit :

Hi,

Thanks for the release of Groovy 2.1.0-rc-1. I like many of future which 

included in this release. But i have some questions.

1. Can we use the custom type checker to control the code generation?

    For example, when static type error "Method not found" occurred,

    can we modify the generating code to  "invokeMethod()" call on

    the object?

Strictly speaking, this is type checking, so no, you should not change the AST. Technically, this is another story, you have access to the AST so you can change it. This is not something I would recommand, but you can.

It's so cool.

 

 2. Custom type checker can be used for more general checking?

     For example, raise error if the method name is not camel

     case or class name is not starts with lower case character.

Yes, you can. This is one of the goals of type checking extensions: the ability to throw errors where the regular type checker would be happy, as to raise errors in DSL context, for example.

 I get it.

thanks again for very significant release!

Thank you for testing!

i'm writing Japanese short article introducing 2.1.0 new features,

I'd like to include your information.

Thank you again,

p.s.

I hope to use  groovyc's config script and CompilerCustomizationBuilder

on 'groovy' command in future version of groovy. Is there a any plan for it?

Or is there are technical reason to prevent it?

 

-- 
UEHARA Junji

2013/1/10 Guillaume Laforge <[hidden email]>

Hi all,

As promised before the Christmas / New Year's Eve break, I'm happy to announce the availability of the Release Candidate for Groovy 2.1.0.

Please be sure to test that release and give us your feedback, before we go final.

Unless really critical bugs or regressions arise, we're aiming at going final by the end of the month.

Download and try Groovy 2.1.0-rc-1 here:

http://groovy.codehaus.org/Download

The JIRA release notes:

http://jira.codehaus.org/secure/ReleaseNote.jspa?projectId=10242&version=19026

As a reminder of what's coming (pending the final release notes document), here's what you can expect from Groovy 2.1:

• complete invoke dynamic support when running with the "indy" JAR on JDK 7
• upgrade to GPars 1.0: the Groovy distribution now bundles the GPars 1.0 final release
• @DelegatesTo annotation: to help IDEs and the static type checker and compiler to know that method calls in a method parameter closure are delegated to another parameter of the method -- nice for DSLs like in Gradle build files
• custom type checking extensions: so you can type check your DSLs at compile-time with your own logic
• a meta-annotation system: which allows you to define a new annotation actually combining several others -- which also means being able to apply several AST transformations with a single custom annotation
• custom base script class flag for the groovyc compiler: to set a base script class when compiling Groovy scripts
• compiler configuration script: to let you define various configuration options for the Groovy compiler, like specifying custom file extensions, various compilation customizers to apply, etc.
• compilation customizer builder: a special builder for specifying compilation customizers
• jar://, file://, http:// prefix support for launching Groovy scripts from the command line
• and many bug fixes and various minor improvements

Thanks a lot to all the contributors to this release!

And on behalf of the team, I wish our Groovy users all the best for 2013!

--
Guillaume Laforge
Groovy Project Manager
SpringSource, a division of VMware

Blog: http://glaforge.appspot.com/

Social: @glaforge / Google+

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--
UEHARA Junji

-- 
Cédric Champeau
SpringSource - A Division Of VMware
http://www.springsource.com/
http://twitter.com/CedricChampeau

--
UEHARA Junji

[Cédric Champeau]

p.s.

I hope to use  groovyc's config script and CompilerCustomizationBuilder

on 'groovy' command in future version of groovy. Is there a any plan for it?

Or is there are technical reason to prevent it?

Actually, no, there's no reason. We missed it, it would be good to have it for 2.1.0 final. Can you create a ticket for this?

Thanks!