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From "Thiruvalluvan M. G. (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AVRO-956) Remove dependency on Flex/Bison
Date Mon, 07 Nov 2011 17:46:52 GMT

     [ https://issues.apache.org/jira/browse/AVRO-956?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thiruvalluvan M. G. updated AVRO-956:
-------------------------------------

    Attachment: AVRO-956-2.patch

The previous patch missed a copule of includes that gave error in Ununtu 11.10. This one is
fine.
                
> Remove dependency on Flex/Bison
> -------------------------------
>
>                 Key: AVRO-956
>                 URL: https://issues.apache.org/jira/browse/AVRO-956
>             Project: Avro
>          Issue Type: Improvement
>          Components: c++
>    Affects Versions: 1.6.1
>            Reporter: Thiruvalluvan M. G.
>            Assignee: Thiruvalluvan M. G.
>             Fix For: 1.7.0
>
>         Attachments: AVRO-956-2.patch, AVRO-956.patch
>
>
> The current schema parser uses Flex/Bison. Making Flex/Bison work with CMake seems difficult.
Moreover trying to parse Json directly into in-memory schema object appears hard. The code
is not friendly for extensions to implement new features such as namespace, documentation
comments etc.
> We already have a Json parser in Avro C++ codebase, but is hidden inside the JsonCodec.
Bringing it out and implementing a schema parser on top of that (similar to the Java and C#
implementations) would fix the problem. The forthcoming patch does just that.

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