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From "Deron Eriksson (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SYSTEMML-949) Delete ANTLR tokens files during initialize phase
Date Thu, 22 Sep 2016 00:47:21 GMT
Deron Eriksson created SYSTEMML-949:
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             Summary: Delete ANTLR tokens files during initialize phase
                 Key: SYSTEMML-949
                 URL: https://issues.apache.org/jira/browse/SYSTEMML-949
             Project: SystemML
          Issue Type: Task
          Components: Build
            Reporter: Deron Eriksson
            Assignee: Deron Eriksson


With the move to antlr 4.5.3, the antlr4-maven-plugin gives a "No grammars to process" message
during "mvn clean package" if *.tokens files have previously been generated. Using previously
generated tokens files can lead to unexpected behavior (see comments from https://github.com/apache/incubator-systemml/pull/243).

The tokens files can be deleted during the "initialize" maven lifecycle phase so that they
will be regenerated during the "generate-sources" maven lifecycle phase (that the antlr4 goal
binds to).




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