Alan Gates reassigned PIG-38:

    Assignee: Christopher Olston

> abstract PigScript parser
> -------------------------
>                 Key: PIG-38
>                 URL: https://issues.apache.org/jira/browse/PIG-38
>             Project: Pig
>          Issue Type: Improvement
>          Components: grunt
>         Environment: grunt and pigpen
>            Reporter: Christopher Olston
>            Assignee: Christopher Olston
>             Fix For: 0.1.0
>         Attachments: pigScriptParser.patch
> I am developing Pig Pen, an Eclipse plugin for Pig. Pig Pen needs to parse 
> .pig scripts. The parsing is the same as for grunt, but the actions I take 
> are different (e.g., Pig Pen will ignore "store" commands for the purpose of 
> editing).
> What I'd like to do is create an abstract class PigScriptParser, which is 
> identical to the current GruntParser except no actions are taken. Then I'll 
> add a GruntParser that extends PigScriptParser, and has concrete 
> implementations of actions (e.g., what to do when a "store" command is 
> encountered).
> I'll also add a PigPenParser that also extends PigScriptParser.
> This should not affect the behavior of GruntParser at all -- it just 
> separates the parsing from the actuating.

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