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https://issues.apache.org/jira/browse/PIG-1618?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12933276#action_12933276
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Xuefu Zhang commented on PIG-1618:
----------------------------------
Test-Patch run result is shown below, and the javadoc warning was due to the
instability of the sun java site.
[exec] -1 overall.
[exec]
[exec] +1 @author. The patch does not contain any @author tags.
[exec]
[exec] +1 tests included. The patch appears to include 9 new or
modified tests.
[exec]
[exec] -1 javadoc. The javadoc tool appears to have generated 1
warning messages.
[exec]
[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
[exec]
[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
[exec]
[exec] +1 release audit. The applied patch does not increase the
total number of release audit warnings.
> Switch to new parser generator technology
> -----------------------------------------
>
> Key: PIG-1618
> URL: https://issues.apache.org/jira/browse/PIG-1618
> Project: Pig
> Issue Type: Improvement
> Affects Versions: 0.8.0
> Reporter: Alan Gates
> Assignee: Xuefu Zhang
> Fix For: 0.9.0
>
> Attachments: antlr-3.2.jar, javadoc.patch, NewParser-1.patch,
> NewParser-2.patch, NewParser-3.patch, NewParser-3.patch, NewParser-4.patch
>
>
> There are many bugs in Pig related to the parser, particularly to bad error
> messages. After review of Java CC we feel these will be difficult to address
> using that tool. Also, the .jjt files used by JavaCC are hard to understand
> and maintain.
> ANTLR is being reviewed as the most likely choice to move to, but other
> parsers will be reviewed as well.
> This JIRA will act as an umbrella issue for other parser issues.
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