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Posted to derby-dev@db.apache.org by "Rick Hillegas (JIRA)" <ji...@apache.org> on 2009/11/06 15:36:32 UTC

[jira] Updated: (DERBY-4415) Make it easy to plug custom AST printers into the compiler

     [ https://issues.apache.org/jira/browse/DERBY-4415?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rick Hillegas updated DERBY-4415:
---------------------------------

    Attachment: XmlASTPrinter.java

Attaching a new version of XmlASTPrinter, which implements the visitChildrenFirst() method which was added to the Visitor interface recently.

> Make it easy to plug custom AST printers into the compiler
> ----------------------------------------------------------
>
>                 Key: DERBY-4415
>                 URL: https://issues.apache.org/jira/browse/DERBY-4415
>             Project: Derby
>          Issue Type: Improvement
>          Components: SQL
>            Reporter: Rick Hillegas
>            Priority: Minor
>         Attachments: ASTInspector.java, ASTInspector.java, derby-4415-01-aa-customASTprinters.diff, derby-4415-01-ab-customASTprinters.diff, XmlASTPrinter.java, XmlASTPrinter.java, XmlASTPrinter.java, XmlASTPrinter.java
>
>
> It would be nice to be able to tell the compiler to use user-written formatters for pretty-printing Derby's abstract syntax trees. For instance, it would be nice to be able to plug in the AST printers attached to DERBY-791, including the Eclipse-based tree grapher written by Kay Röpke.

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