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From "Daniel Gong (JIRA)" <j...@apache.org>
Subject [jira] Created: (HARMONY-6291) Smallest classes set for customer application
Date Wed, 05 Aug 2009 07:19:14 GMT
Smallest classes set for customer application
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                 Key: HARMONY-6291
                 URL: https://issues.apache.org/jira/browse/HARMONY-6291
             Project: Harmony
          Issue Type: New Feature
          Components: Misc
         Environment: Windows & Linux
            Reporter: Daniel Gong


Now the MinJreToolkit is almost complete. It includes functional classes as well as command
line tool and ant task implemented based on them. More, for dynamic tracing, a jvmti agent
has been implemented. Both static analysis and dynamic tracing produce a type of result file
called cns (Class Name Set) file, which has an associated data structure called ClassNameSet
that can be created from a cns file, witten to a cns file and merged with a cns file. The
cns file in the conf directory contains the required classes for different jre implementations.
Now it only supports Harmony. 

The toolkit can be used in two steps. First, employ both static analyzer and dynamic tracer
in the process of application development and test, and record necessary information in several
cns files. Second, employ the jre generator to merge these cns files and generate a new jre
from an original one.

So far I have written a simple ant build file to handle the whole process including compile,
test, pack & javadoc. The compiling of the agent is not in because I'm still learning
ant usage. The test is also very simple, just a helloworld app:P

I'll improve the toolkit by adding command line script, optimizing ant build, doing more test
and improve the algorithm if a better strategy is found.

Everyone please feel free to give me advice or report bugs to me:)

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