langtools in b20

[Ted Neward]

Speaking of KSL, has anybody ever seen any modifications to it? I haven't
seen any, and I've been updating against SVN for a while now. Are they
hiding on a branch that everybody but me knows about?

Ted Neward
Java, .NET, XML Services
Consulting, Teaching, Speaking, Writing
http://www.tedneward.com
 

> -----Original Message-----
> From: Jonathan.Gibbons at Sun.COM [mailto:Jonathan.Gibbons at Sun.COM]
> Sent: Saturday, September 08, 2007 10:57 PM
> To: Ted Neward
> Cc: compiler-dev at openjdk.java.net
> Subject: Re: langtools in b20
> 
> It is my intent to update KSL with langtools once that becomes
> available,
> so that langtools and KSL will by definition have the same build
> system,
> at least on the main trunk.
> 
> 
> On Sep 8, 2007, at 7:34 PM, Ted Neward wrote:
> 
> > Coolness; next question: how easy would it be to slipstream the KSL
> > project
> > in place of the langtools-javac project? In other words, build a
> > JDK with
> > the KSL compiler instead of javac? Is there any plans to bring
> > those two
> > build systems in sync with one another? Or is that just a pipe
> > dream? :-)
> >
> > Ted Neward
> > Java, .NET, XML Services
> > Consulting, Teaching, Speaking, Writing
> > http://www.tedneward.com
> >
> >
> >> -----Original Message-----
> >> From: Jonathan.Gibbons at Sun.COM [mailto:Jonathan.Gibbons at Sun.COM]
> >> Sent: Tuesday, September 04, 2007 10:00 PM
> >> To: Ted Neward
> >> Cc: compiler-dev at openjdk.java.net
> >> Subject: Re: langtools in b20
> >>
> >> Ted,
> >>
> >> Well, the current build available on openjdk.java.net is b19,
> >> released aug30,
> >> and we're currently on a two week cycle, so you do the math ...
> >>
> >> There will be some docs regarding langtools in the new langtools
> >> area. Specifically,
> >> look in the make/ directory and its subdirectories for README files.
> >>
> >> As for architecture, there's not much "architecture" involved;
> >> langtools simply consists
> >> of the source code for javac, javadoc, javah, javap, and apt. The
> >> source code is
> >> laid out the same way it was before, the only thing that is
> different
> >> is that it is in a new
> >> workspace (internal for now, separate external repository
> eventually)
> >> and that the
> >> build files are different.
> >>
> >> For this build, we chose to go with Ant, because it is a pure-Java
> >> workspace, and to
> >> be able to share the same build system with IDEs, such as NetBeans.
> >> For compatibility
> >> with the rest of the j2se/ workspace, there is a simple Makefile
> >> wrapper around the Ant
> >> build.xml file as well, but you don't have to use that if you don't
> >> want to.
> >>
> >> The layout of the make/ directory is much the same as now, albeit
> >> much simpler.
> >> The build.xml file and its wrapper Makefile are in make/.  The
> >> NetBeans projects
> >> are in make/netbeans/*, just like in the j2se/ workspace.
> >>
> >> There are more NetBeans projects than before. Previously, there were
> >> only projects
> >> for the compiler and javadoc. Now, there are projects for all the
> >> tools, although for
> >> various reasons the javadoc tool comes with two projects -- one for
> >> the tool itself
> >> and one for the standard doclets. Why more projects? Well, as a
> >> developer I want to
> >> be able to work on any part of this workspace, so there has to be a
> >> project for each
> >> and every part :-)
> >>
> >> And, because it is a smaller workspace, we don't have to rely on new
> >> features in the
> >> upcoming NetBeans 6.0, so you can stick with NetBeans 5.5 if you
> >> want, until you're
> >> ready to upgrade.
> >>
> >> Although there are more projects, you can actually browse the entire
> >> workspace and
> >> build any/all of it from any of the projects. The only difference
> >> between the projects is
> >> how the UI is hooked up -- for example, in the javac project, the
> >> "Clean and Rebuild"
> >> button will rebuild javac, whereas in the javadoc project it will
> >> rebuild javadoc, and so on.
> >> Most of the build smarts is in the main build.xml file, with smaller
> >> project-specific build.xml
> >> files for each project.
> >>
> >> For folk who want to build the rest of JDK, you can do it with or
> >> without building
> >> langtools as well. You can either download and build everything, or
> >> you can just
> >> download the j2se/ workspace, and point to a previous build of JDK
> >> with the
> >> ALT_JDK_IMPORT_DIR environment variable. Conceptually, this is
> >> similar to
> >> the current hotspot/ workspace. You can either build it or import
> it.
> >> If you want to get
> >> more into what the implications were for the rest of the build, I
> can
> >> tell you more but
> >> this isn't the right place. Suffice it to say that the ugly
> >> "recompile" loop in the j2se/
> >> workspace has gone away (hooray!) and that was a major goal of this
> >> exercise.
> >> The "price" is that the javac source code is constrained to be
> >> compilable by the
> >> "boot javac" (i.e. from the previous release, currently 1.6.0) and
> >> javac, javadoc and
> >> javah  must all be runnable using "boot java" because they are all
> >> used while building
> >> j2se/ itself.
> >>
> >> I hope this answers your questions. Let me know if you have any
> more.
> >>
> >> -- Jon
> >>
> >> P.S. I also note that by coincidence I will be on vacation when b20
> >> is released.
> >> It's a coincidence, really! So I'll be around to answer any
> questions
> >> when I get back
> >> on the following Monday, assuming I don't get eaten by bears or
> >> anything like that.
> >>
> >>
> >>
> >>
> >> On Sep 4, 2007, at 9:18 PM, Ted Neward wrote:
> >>
> >>> Where "soon" means....?
> >>>
> >>> Do you have any sort of dox on how the langtools project is
> >>> architected? I
> >>> know there's been some blog chatter, but I was hoping for something
> >>> that
> >>> reflected the state of reality in b20?
> >>>
> >>> Ted Neward
> >>> Java, .NET, XML Services
> >>> Consulting, Teaching, Speaking, Writing
> >>> http://www.tedneward.com
> >>>
> >>>
> >>>> -----Original Message-----
> >>>> From: compiler-dev-bounces at openjdk.java.net [mailto:compiler-dev-
> >>>> bounces at openjdk.java.net] On Behalf Of Jonathan Gibbons
> >>>> Sent: Friday, August 31, 2007 1:42 PM
> >>>> To: compiler-dev at openjdk.java.net
> >>>> Subject: langtools in b20
> >>>>
> >>>> Gang,
> >>>>
> >>>> Andreas just stopped by my office to tell me that the work for the
> >>>> langtools/ separation has made it into the master workspace this
> >>>> morning. This means you all will be able to see it in build 20,
> >>>> coming
> >>>> soon.
> >>>>
> >>>> -- Jon
> >>>>
> >>>> No virus found in this incoming message.
> >>>> Checked by AVG Free Edition.
> >>>> Version: 7.5.484 / Virus Database: 269.13.1/981 - Release Date:
> >>>> 8/31/2007 6:13 AM
> >>>>
> >>>
> >>> No virus found in this outgoing message.
> >>> Checked by AVG Free Edition.
> >>> Version: 7.5.485 / Virus Database: 269.13.5/988 - Release Date:
> >>> 9/4/2007
> >>> 9:14 AM
> >>>
> >>>
> >>
> >> No virus found in this incoming message.
> >> Checked by AVG Free Edition.
> >> Version: 7.5.485 / Virus Database: 269.13.5/988 - Release Date:
> >> 9/4/2007 9:14 AM
> >>
> >
> > No virus found in this outgoing message.
> > Checked by AVG Free Edition.
> > Version: 7.5.485 / Virus Database: 269.13.10/995 - Release Date:
> > 9/8/2007
> > 1:24 PM
> >
> >
> 
> No virus found in this incoming message.
> Checked by AVG Free Edition.
> Version: 7.5.485 / Virus Database: 269.13.10/995 - Release Date:
> 9/8/2007 1:24 PM
> 

No virus found in this outgoing message.
Checked by AVG Free Edition. 
Version: 7.5.485 / Virus Database: 269.13.14/1001 - Release Date: 9/11/2007
1:37 PM