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Posted to commits@harmony.apache.org by "Paulex Yang (JIRA)" <ji...@apache.org> on 2007/01/18 05:59:29 UTC
[jira] Assigned: (HARMONY-2052) [drlvm] Improve/re-implement a
parser of generic signatures
[ https://issues.apache.org/jira/browse/HARMONY-2052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Paulex Yang reassigned HARMONY-2052:
------------------------------------
Assignee: Paulex Yang
> [drlvm] Improve/re-implement a parser of generic signatures
> -----------------------------------------------------------
>
> Key: HARMONY-2052
> URL: https://issues.apache.org/jira/browse/HARMONY-2052
> Project: Harmony
> Issue Type: Task
> Components: Classlib, DRLVM
> Reporter: Alexey Varlamov
> Assigned To: Paulex Yang
> Priority: Minor
>
> Improve/re-implement a parser of generic signatures in DRLVM kernel classes [1], and move this functionality to classlib (luni ?), so other VMs could reuse it for 1.5 support. The current impl is somewhat messy and half-baked, one need to invent more shaped and modular API to the parser. One more possible issue is parser's dependency on antlr, which may be considered overkill for this duty. I think antlr has its pros, like more illustrative code with clear correlation to formal grammar [2]; unfortunately this is not the case with the impl in question. OTOH minimizing number of dependencies for VM is always good.
> [1] working_vm\vm\vmcore\src\kernel_classes\javasrc\org\apache\harmony\lang\reflect\**
> [2] http://java.sun.com/docs/books/vmspec/2nd-edition/ClassFileFormat-Java5.pdf Para 4.4.4
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